/***********************************************************************
THIS FILE IS AUTOMATICALLY GENERATED. DO NOT MODIFY
DEVELOPER: Zihan Chen(vczh)
***********************************************************************/
#include "GacUI.h"

/***********************************************************************
GACUIREFLECTIONHELPER.CPP
***********************************************************************/

namespace vl
{
	namespace reflection
	{
		namespace description
		{
			using namespace parsing;
			using namespace parsing::tabling;
			using namespace parsing::xml;
			using namespace stream;
			using namespace collections;
			using namespace presentation;
			using namespace presentation::elements;
			using namespace presentation::compositions;
			using namespace presentation::controls;
			using namespace presentation::theme;
			using namespace presentation::templates;

/***********************************************************************
Serialization (Color)
***********************************************************************/

			Color TypedValueSerializerProvider<Color>::GetDefaultValue()
			{
				return Color();
			}

			bool TypedValueSerializerProvider<Color>::Serialize(const Color& input, WString& output)
			{
				output = input.ToString();
				return true;
			}

			bool TypedValueSerializerProvider<Color>::Deserialize(const WString& input, Color& output)
			{
				output = Color::Parse(input);
				return true;
			}

			IValueType::CompareResult TypedValueSerializerProvider<Color>::Compare(const presentation::Color& a, const presentation::Color& b)
			{
				return TypedValueSerializerProvider<vuint32_t>::Compare(a.value, b.value);
			}

/***********************************************************************
Serialization (DocumentFontSize)
***********************************************************************/

			DocumentFontSize TypedValueSerializerProvider<DocumentFontSize>::GetDefaultValue()
			{
				return DocumentFontSize();
			}

			bool TypedValueSerializerProvider<DocumentFontSize>::Serialize(const DocumentFontSize& input, WString& output)
			{
				output = input.ToString();
				return true;
			}

			bool TypedValueSerializerProvider<DocumentFontSize>::Deserialize(const WString& input, DocumentFontSize& output)
			{
				output = DocumentFontSize::Parse(input);
				return true;
			}

			IValueType::CompareResult TypedValueSerializerProvider<DocumentFontSize>::Compare(const presentation::DocumentFontSize& a, const presentation::DocumentFontSize& b)
			{
				return TypedValueSerializerProvider<WString>::Compare(a.ToString(), b.ToString());
			}

/***********************************************************************
Serialization (GlobalStringKey)
***********************************************************************/

			GlobalStringKey TypedValueSerializerProvider<GlobalStringKey>::GetDefaultValue()
			{
				return GlobalStringKey();
			}

			bool TypedValueSerializerProvider<GlobalStringKey>::Serialize(const GlobalStringKey& input, WString& output)
			{
				output = input.ToString();
				return true;
			}

			bool TypedValueSerializerProvider<GlobalStringKey>::Deserialize(const WString& input, GlobalStringKey& output)
			{
				output = GlobalStringKey::Get(input);
				return true;
			}

			IValueType::CompareResult TypedValueSerializerProvider<GlobalStringKey>::Compare(const presentation::GlobalStringKey& a, const presentation::GlobalStringKey& b)
			{
				return TypedValueSerializerProvider<WString>::Compare(a.ToString(), b.ToString());
			}

/***********************************************************************
External Functions (Basic)
***********************************************************************/

			GuiGraphicsAnimationManager* GuiControlHost_GetAnimationManager(GuiControlHost* thisObject)
			{
				return thisObject->GetGraphicsHost()->GetAnimationManager();
			}

			Ptr<INativeImage> INativeImage_Constructor(const WString& path)
			{
				return GetCurrentController()->ImageService()->CreateImageFromFile(path);
			}

			INativeCursor* INativeCursor_Constructor1()
			{
				return GetCurrentController()->ResourceService()->GetDefaultSystemCursor();
			}

			INativeCursor* INativeCursor_Constructor2(INativeCursor::SystemCursorType type)
			{
				return GetCurrentController()->ResourceService()->GetSystemCursor(type);
			}

			Ptr<DocumentModel> DocumentModel_Constructor(const WString& path)
			{
				FileStream fileStream(path, FileStream::ReadOnly);
				if (!fileStream.IsAvailable()) return 0;

				BomDecoder decoder;
				DecoderStream decoderStream(fileStream, decoder);
				StreamReader reader(decoderStream);
				WString xmlText = reader.ReadToEnd();

				Ptr<ParsingTable> table = XmlLoadTable();
				Ptr<XmlDocument> xml = XmlParseDocument(xmlText, table);
				if (!xml) return 0;

				List<WString> errors;
				return DocumentModel::LoadFromXml(xml, GetFolderPath(path), errors);
			}

/***********************************************************************
External Functions (Elements)
***********************************************************************/

			text::TextLines* GuiColorizedTextElement_GetLines(GuiColorizedTextElement* thisObject)
			{
				return &thisObject->GetLines();
			}

/***********************************************************************
External Functions (Compositions)
***********************************************************************/

			void GuiTableComposition_SetRows(GuiTableComposition* thisObject, vint value)
			{
				vint columns = thisObject->GetColumns();
				if (columns <= 0) columns = 1;
				thisObject->SetRowsAndColumns(value, columns);
			}

			void GuiTableComposition_SetColumns(GuiTableComposition* thisObject, vint value)
			{
				vint row = thisObject->GetRows();
				if (row <= 0) row = 1;
				thisObject->SetRowsAndColumns(row, value);
			}

			void IGuiAltActionHost_CollectAltActions(IGuiAltActionHost* host, List<IGuiAltAction*>& actions)
			{
				Group<WString, IGuiAltAction*> group;
				host->CollectAltActions(group);
				for (vint i = 0; i < group.Count(); i++)
				{
					CopyFrom(actions, group.GetByIndex(i), true);
				}
			}

/***********************************************************************
External Functions (Controls)
***********************************************************************/

			Ptr<ITheme> CreateWin7Theme()
			{
				return new win7::Win7Theme();
			}

			Ptr<ITheme> CreateWin8Theme()
			{
				return new win8::Win8Theme();
			}

			list::ListViewItemStyleProvider::IListViewItemContent* ListViewItemStyleProvider_GetItemContent(list::ListViewItemStyleProvider* thisObject, GuiListControl::IItemStyleController* itemStyleController)
			{
				return thisObject->GetItemContent<list::ListViewItemStyleProvider::IListViewItemContent>(itemStyleController);
			}

			list::StringGridProvider* GuiStringGrid_GetGrids(GuiStringGrid* grid)
			{
				return &grid->Grids();
			}
		}
	}
}

/***********************************************************************
CONTROLS\GUIAPPLICATION.CPP
***********************************************************************/

extern void GuiMain();

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace collections;
			using namespace compositions;
			using namespace theme;
			using namespace description;

/***********************************************************************
GuiApplication
***********************************************************************/

			void GuiApplication::InvokeClipboardNotify(compositions::GuiGraphicsComposition* composition, compositions::GuiEventArgs& arguments)
			{
				if(composition->HasEventReceiver())
				{
					composition->GetEventReceiver()->clipboardNotify.Execute(arguments);
				}
				FOREACH(GuiGraphicsComposition*, subComposition, composition->Children())
				{
					InvokeClipboardNotify(subComposition, arguments);
				}
			}

			void GuiApplication::LeftButtonDown(Point position)
			{
				OnMouseDown(position);
			}

			void GuiApplication::LeftButtonUp(Point position)
			{
			}

			void GuiApplication::RightButtonDown(Point position)
			{
				OnMouseDown(position);
			}

			void GuiApplication::RightButtonUp(Point position)
			{
			}

			void GuiApplication::ClipboardUpdated()
			{
				for(vint i=0;i<windows.Count();i++)
				{
					GuiEventArgs arguments=windows[i]->GetNotifyEventArguments();
					windows[i]->ClipboardUpdated.Execute(arguments);
					InvokeClipboardNotify(windows[i]->GetBoundsComposition(), arguments);
				}
			}

			GuiApplication::GuiApplication()
				:mainWindow(0)
				,sharedTooltipOwnerWindow(0)
				,sharedTooltipOwner(0)
				,sharedTooltipControl(0)
				,sharedTooltipHovering(false)
				,sharedTooltipClosing(false)
			{
				GetCurrentController()->CallbackService()->InstallListener(this);
			}

			GuiApplication::~GuiApplication()
			{
				if(sharedTooltipControl)
				{
					delete sharedTooltipControl;
					sharedTooltipControl=0;
				}
				GetCurrentController()->CallbackService()->UninstallListener(this);
			}

			void GuiApplication::RegisterWindow(GuiWindow* window)
			{
				windows.Add(window);
			}

			void GuiApplication::UnregisterWindow(GuiWindow* window)
			{
				windows.Remove(window);
			}

			void GuiApplication::RegisterPopupOpened(GuiPopup* popup)
			{
				vint index=openingPopups.IndexOf(popup);
				if(index==-1)
				{
					openingPopups.Add(popup);
					if(openingPopups.Count()==1)
					{
						GetCurrentController()->InputService()->StartHookMouse();
					}
				}
			}

			void GuiApplication::RegisterPopupClosed(GuiPopup* popup)
			{
				if(openingPopups.Remove(popup))
				{
					if(openingPopups.Count()==0)
					{
						GetCurrentController()->InputService()->StopHookMouse();
					}
				}
			}

			void GuiApplication::OnMouseDown(Point location)
			{
				GuiWindow* window=GetWindow(location);
				for(vint i=0;i<windows.Count();i++)
				{
					if(windows[i]!=window)
					{
						windows[i]->MouseClickedOnOtherWindow(window);
					}
				}
			}

			void GuiApplication::TooltipMouseEnter(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				sharedTooltipHovering=true;
			}

			void GuiApplication::TooltipMouseLeave(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				sharedTooltipHovering=false;
				if(sharedTooltipClosing)
				{
					CloseTooltip();
				}
			}

			void GuiApplication::Run(GuiWindow* _mainWindow)
			{
				if(!mainWindow)
				{
					mainWindow=_mainWindow;
					GetCurrentController()->WindowService()->Run(mainWindow->GetNativeWindow());
					mainWindow=0;
				}
			}

			GuiWindow* GuiApplication::GetMainWindow()
			{
				return mainWindow;
			}

			const collections::List<GuiWindow*>& GuiApplication::GetWindows()
			{
				return windows;
			}

			GuiWindow* GuiApplication::GetWindow(Point location)
			{
				INativeWindow* nativeWindow=GetCurrentController()->WindowService()->GetWindow(location);
				if(nativeWindow)
				{
					for(vint i=0;i<windows.Count();i++)
					{
						GuiWindow* window=windows[i];
						if(window->GetNativeWindow()==nativeWindow)
						{
							return window;
						}
					}
				}
				return 0;
			}

			void GuiApplication::ShowTooltip(GuiControl* owner, GuiControl* tooltip, vint preferredContentWidth, Point location)
			{
				GuiWindow* ownerWindow = dynamic_cast<GuiWindow*>(owner->GetRelatedControlHost());
				if (sharedTooltipOwnerWindow != ownerWindow)
				{
					delete sharedTooltipControl;
					sharedTooltipControl = 0;
				}

				if(!sharedTooltipControl)
				{
					GuiWindow::IStyleController* tooltipStyle = 0;
					if (ownerWindow)
					{
						tooltipStyle = dynamic_cast<GuiWindow::IStyleController*>(ownerWindow->GetStyleController())->CreateTooltipStyle();
					}
					if (!tooltipStyle)
					{
						tooltipStyle = GetCurrentTheme()->CreateTooltipStyle();
					}

					sharedTooltipControl=new GuiTooltip(tooltipStyle);
					sharedTooltipControl->GetBoundsComposition()->GetEventReceiver()->mouseEnter.AttachMethod(this, &GuiApplication::TooltipMouseEnter);
					sharedTooltipControl->GetBoundsComposition()->GetEventReceiver()->mouseLeave.AttachMethod(this, &GuiApplication::TooltipMouseLeave);
				}

				sharedTooltipHovering=false;
				sharedTooltipClosing=false;
				sharedTooltipOwnerWindow = ownerWindow;
				sharedTooltipOwner=owner;
				sharedTooltipControl->SetTemporaryContentControl(tooltip);
				sharedTooltipControl->SetPreferredContentWidth(preferredContentWidth);
				sharedTooltipControl->SetClientSize(Size(10, 10));
				sharedTooltipControl->ShowPopup(owner, location);
			}

			void GuiApplication::CloseTooltip()
			{
				if(sharedTooltipControl)
				{
					if(sharedTooltipHovering)
					{
						sharedTooltipClosing=true;
					}
					else
					{
						sharedTooltipClosing=false;
						sharedTooltipControl->Close();
					}
				}
			}

			GuiControl* GuiApplication::GetTooltipOwner()
			{
				if(!sharedTooltipControl) return 0;
				if(!sharedTooltipControl->GetTemporaryContentControl()) return 0;
				return sharedTooltipOwner;
			}

			WString GuiApplication::GetExecutablePath()
			{
				return GetCurrentController()->GetExecutablePath();
			}

			WString GuiApplication::GetExecutableFolder()
			{
				WString path=GetExecutablePath();
				for(vint i=path.Length()-1;i>=0;i--)
				{
					if(path[i]==L'\\' || path[i]==L'/')
					{
						return path.Sub(0, i+1);
					}
				}
				return L"";
			}

			bool GuiApplication::IsInMainThread()
			{
				return GetCurrentController()->AsyncService()->IsInMainThread();
			}

			void GuiApplication::InvokeAsync(const Func<void()>& proc)
			{
				GetCurrentController()->AsyncService()->InvokeAsync(proc);
			}

			void GuiApplication::InvokeInMainThread(const Func<void()>& proc)
			{
				GetCurrentController()->AsyncService()->InvokeInMainThread(proc);
			}

			bool GuiApplication::InvokeInMainThreadAndWait(const Func<void()>& proc, vint milliseconds)
			{
				return GetCurrentController()->AsyncService()->InvokeInMainThreadAndWait(proc, milliseconds);
			}

			Ptr<INativeDelay> GuiApplication::DelayExecute(const Func<void()>& proc, vint milliseconds)
			{
				return GetCurrentController()->AsyncService()->DelayExecute(proc, milliseconds);
			}

			Ptr<INativeDelay> GuiApplication::DelayExecuteInMainThread(const Func<void()>& proc, vint milliseconds)
			{
				return GetCurrentController()->AsyncService()->DelayExecuteInMainThread(proc, milliseconds);
			}

			void GuiApplication::RunGuiTask(const Func<void()>& proc)
			{
				if(IsInMainThread())
				{
					return proc();
				}
				else
				{
					InvokeInMainThreadAndWait([&proc]()
					{
						proc();
					});
				}
			}

/***********************************************************************
GuiPluginManager
***********************************************************************/

			class GuiPluginManager : public Object, public IGuiPluginManager
			{
			protected:
				List<Ptr<IGuiPlugin>>				plugins;
				bool								loaded;
			public:
				GuiPluginManager()
					:loaded(false)
				{
				}

				~GuiPluginManager()
				{
					Unload();
				}

				void AddPlugin(Ptr<IGuiPlugin> plugin)override
				{
					plugins.Add(plugin);
					if(loaded)
					{
						plugin->Load();
					}
				}

				void Load()override
				{
					if(!loaded)
					{
						loaded=true;
						FOREACH(Ptr<IGuiPlugin>, plugin, plugins)
						{
							plugin->Load();
						}
						FOREACH(Ptr<IGuiPlugin>, plugin, plugins)
						{
							plugin->AfterLoad();
						}
					}
				}

				void Unload()override
				{
					if(loaded)
					{
						loaded=false;
						FOREACH(Ptr<IGuiPlugin>, plugin, plugins)
						{
							plugin->Unload();
						}
					}
				}

				bool IsLoaded()override
				{
					return loaded;
				}
			};

/***********************************************************************
Helpers
***********************************************************************/

			GuiApplication* application=0;
			IGuiPluginManager* pluginManager=0;

			GuiApplication* GetApplication()
			{
				return application;
			}

			IGuiPluginManager* GetPluginManager()
			{
				if(!pluginManager)
				{
					pluginManager=new GuiPluginManager;
				}
				return pluginManager;
			}

			void DestroyPluginManager()
			{
				if(pluginManager)
				{
					delete pluginManager;
					pluginManager=0;
				}
			}

/***********************************************************************
GuiApplicationMain
***********************************************************************/

			void GuiApplicationInitialize()
			{
				Ptr<theme::ITheme> theme;
				{
					WString osVersion=GetCurrentController()->GetOSVersion();
					vint index=osVersion.IndexOf(L';');
					if (index == -1)
					{
						theme=new win8::Win8Theme;
					}
					else
					{
						WString osMainVersion=osVersion.Sub(0, index);
						if(osMainVersion==L"Windows 8" || osMainVersion==L"Windows Server 2012")
						{
							theme=new win8::Win8Theme;
						}
						else
						{
							theme=new win7::Win7Theme;
						}
					}
				}

				GetCurrentController()->InputService()->StartTimer();
				GuiApplication app;
				application=&app;
				
				GetGlobalTypeManager()->Load();
				GetPluginManager()->Load();
				theme::SetCurrentTheme(theme.Obj());
				GuiMain();
				theme::SetCurrentTheme(0);
				DestroyPluginManager();
				DestroyGlobalTypeManager();
				ThreadLocalStorage::DisposeStorages();
			}
		}
	}
}

void GuiApplicationMain()
{
	vl::presentation::controls::GuiApplicationInitialize();
}

/***********************************************************************
CONTROLS\GUIBASICCONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace elements;
			using namespace compositions;
			using namespace collections;
			using namespace reflection::description;

/***********************************************************************
GuiControl::EmptyStyleController
***********************************************************************/

			GuiControl::EmptyStyleController::EmptyStyleController()
			{
				boundsComposition=new GuiBoundsComposition;
			}

			GuiControl::EmptyStyleController::~EmptyStyleController()
			{
			}

			compositions::GuiBoundsComposition* GuiControl::EmptyStyleController::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* GuiControl::EmptyStyleController::GetContainerComposition()
			{
				return boundsComposition;
			}

			void GuiControl::EmptyStyleController::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void GuiControl::EmptyStyleController::SetText(const WString& value)
			{
			}

			void GuiControl::EmptyStyleController::SetFont(const FontProperties& value)
			{
			}

			void GuiControl::EmptyStyleController::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
GuiControl
***********************************************************************/

			void GuiControl::OnChildInserted(GuiControl* control)
			{
				GuiControl* oldParent=control->parent;
				children.Add(control);
				control->parent=this;
				control->OnParentChanged(oldParent, control->parent);
				control->UpdateVisuallyEnabled();
			}

			void GuiControl::OnChildRemoved(GuiControl* control)
			{
				GuiControl* oldParent=control->parent;
				control->parent=0;
				children.Remove(control);
				control->OnParentChanged(oldParent, control->parent);
			}

			void GuiControl::OnParentChanged(GuiControl* oldParent, GuiControl* newParent)
			{
				OnParentLineChanged();
			}

			void GuiControl::OnParentLineChanged()
			{
				for(vint i=0;i<children.Count();i++)
				{
					children[i]->OnParentLineChanged();
				}
			}

			void GuiControl::OnRenderTargetChanged(elements::IGuiGraphicsRenderTarget* renderTarget)
			{
			}

			void GuiControl::OnBeforeReleaseGraphicsHost()
			{
				for(vint i=0;i<children.Count();i++)
				{
					children[i]->OnBeforeReleaseGraphicsHost();
				}
			}

			void GuiControl::UpdateVisuallyEnabled()
			{
				bool newValue=isEnabled && (parent==0?true:parent->GetVisuallyEnabled());
				if(isVisuallyEnabled!=newValue)
				{
					isVisuallyEnabled=newValue;
					styleController->SetVisuallyEnabled(isVisuallyEnabled);
					VisuallyEnabledChanged.Execute(GetNotifyEventArguments());

					for(vint i=0;i<children.Count();i++)
					{
						children[i]->UpdateVisuallyEnabled();
					}
				}
			}

			void GuiControl::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				if(focusableComposition!=value)
				{
					focusableComposition=value;
					styleController->SetFocusableComposition(focusableComposition);
				}
			}

			bool GuiControl::IsAltEnabled()
			{
				GuiControl* control = this;
				while (control)
				{
					if (!control->GetVisible() || !control->GetEnabled())
					{
						return false;
					}
					control = control->GetParent();
				}

				return true;
			}

			bool GuiControl::IsAltAvailable()
			{
				return focusableComposition != 0 && alt != L"";
			}

			compositions::GuiGraphicsComposition* GuiControl::GetAltComposition()
			{
				return boundsComposition;
			}

			compositions::IGuiAltActionHost* GuiControl::GetActivatingAltHost()
			{
				return activatingAltHost;
			}

			void GuiControl::OnActiveAlt()
			{
				SetFocus();
			}

			bool GuiControl::SharedPtrDestructorProc(DescriptableObject* obj, bool forceDisposing)
			{
				GuiControl* value=dynamic_cast<GuiControl*>(obj);
				if(value->GetBoundsComposition()->GetParent())
				{
					if (!forceDisposing) return false;
				}
				SafeDeleteControl(value);
				return true;
			}

			GuiControl::GuiControl(IStyleController* _styleController)
				:styleController(_styleController)
				,boundsComposition(_styleController->GetBoundsComposition())
				,focusableComposition(0)
				,eventReceiver(_styleController->GetBoundsComposition()->GetEventReceiver())
				,isEnabled(true)
				,isVisuallyEnabled(true)
				,isVisible(true)
				,activatingAltHost(0)
				,parent(0)
				,tooltipControl(0)
				,tooltipWidth(50)
			{
				boundsComposition->SetAssociatedControl(this);
				VisibleChanged.SetAssociatedComposition(boundsComposition);
				EnabledChanged.SetAssociatedComposition(boundsComposition);
				VisuallyEnabledChanged.SetAssociatedComposition(boundsComposition);
				AltChanged.SetAssociatedComposition(boundsComposition);
				TextChanged.SetAssociatedComposition(boundsComposition);
				FontChanged.SetAssociatedComposition(boundsComposition);

				font=GetCurrentController()->ResourceService()->GetDefaultFont();
				styleController->SetFont(font);
				styleController->SetText(text);
				styleController->SetVisuallyEnabled(isVisuallyEnabled);
				
				sharedPtrDestructorProc = &GuiControl::SharedPtrDestructorProc;
			}

			GuiControl::~GuiControl()
			{
				if(tooltipControl)
				{
					// the only legal parent is the GuiApplication::sharedTooltipWindow
					if(tooltipControl->GetBoundsComposition()->GetParent())
					{
						tooltipControl->GetBoundsComposition()->GetParent()->RemoveChild(tooltipControl->GetBoundsComposition());
					}
					delete tooltipControl;
				}
				if(parent || !styleController)
				{
					for(vint i=0;i<children.Count();i++)
					{
						delete children[i];
					}
				}
				else
				{
					for(vint i=children.Count()-1;i>=0;i--)
					{
						GuiControl* child=children[i];
						child->GetBoundsComposition()->GetParent()->RemoveChild(child->GetBoundsComposition());
						delete child;
					}
					delete boundsComposition;
				}
			}

			compositions::GuiEventArgs GuiControl::GetNotifyEventArguments()
			{
				return GuiEventArgs(boundsComposition);
			}

			GuiControl::IStyleController* GuiControl::GetStyleController()
			{
				return styleController.Obj();
			}

			compositions::GuiBoundsComposition* GuiControl::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* GuiControl::GetContainerComposition()
			{
				return styleController->GetContainerComposition();
			}

			compositions::GuiGraphicsComposition* GuiControl::GetFocusableComposition()
			{
				return focusableComposition;
			}

			compositions::GuiGraphicsEventReceiver* GuiControl::GetEventReceiver()
			{
				return eventReceiver;
			}

			GuiControl* GuiControl::GetParent()
			{
				return parent;
			}

			vint GuiControl::GetChildrenCount()
			{
				return children.Count();
			}

			GuiControl* GuiControl::GetChild(vint index)
			{
				return children[index];
			}

			bool GuiControl::AddChild(GuiControl* control)
			{
				return GetContainerComposition()->AddChild(control->GetBoundsComposition());
			}

			bool GuiControl::HasChild(GuiControl* control)
			{
				return children.Contains(control);
			}

			GuiControlHost* GuiControl::GetRelatedControlHost()
			{
				return parent?parent->GetRelatedControlHost():0;
			}

			bool GuiControl::GetVisuallyEnabled()
			{
				return isVisuallyEnabled;
			}

			bool GuiControl::GetEnabled()
			{
				return isEnabled;
			}

			void GuiControl::SetEnabled(bool value)
			{
				if(isEnabled!=value)
				{
					isEnabled=value;
					EnabledChanged.Execute(GetNotifyEventArguments());
					UpdateVisuallyEnabled();
				}
			}

			bool GuiControl::GetVisible()
			{
				return isVisible;
			}

			void GuiControl::SetVisible(bool value)
			{
				boundsComposition->SetVisible(value);
				if(isVisible!=value)
				{
					isVisible=value;
					VisibleChanged.Execute(GetNotifyEventArguments());
				}
			}

			const WString& GuiControl::GetAlt()
			{
				return alt;
			}

			bool GuiControl::SetAlt(const WString& value)
			{
				if (!IGuiAltAction::IsLegalAlt(value)) return false;
				if (alt != value)
				{
					alt = value;
					AltChanged.Execute(GetNotifyEventArguments());
				}
				return true;
			}

			void GuiControl::SetActivatingAltHost(compositions::IGuiAltActionHost* host)
			{
				activatingAltHost = host;
			}

			const WString& GuiControl::GetText()
			{
				return text;
			}

			void GuiControl::SetText(const WString& value)
			{
				if(text!=value)
				{
					text=value;
					styleController->SetText(text);
					TextChanged.Execute(GetNotifyEventArguments());
				}
			}

			const FontProperties& GuiControl::GetFont()
			{
				return font;
			}

			void GuiControl::SetFont(const FontProperties& value)
			{
				if(font!=value)
				{
					font=value;
					styleController->SetFont(font);
					FontChanged.Execute(GetNotifyEventArguments());
				}
			}

			void GuiControl::SetFocus()
			{
				if(focusableComposition)
				{
					GuiGraphicsHost* host=focusableComposition->GetRelatedGraphicsHost();
					if(host)
					{
						host->SetFocus(focusableComposition);
					}
				}
			}

			description::Value GuiControl::GetTag()
			{
				return tag;
			}

			void GuiControl::SetTag(const description::Value& value)
			{
				tag=value;
			}

			GuiControl* GuiControl::GetTooltipControl()
			{
				return tooltipControl;
			}

			GuiControl* GuiControl::SetTooltipControl(GuiControl* value)
			{
				GuiControl* oldTooltipControl=tooltipControl;
				tooltipControl=value;
				return oldTooltipControl;
			}

			vint GuiControl::GetTooltipWidth()
			{
				return tooltipWidth;
			}

			void GuiControl::SetTooltipWidth(vint value)
			{
				tooltipWidth=value;
			}

			bool GuiControl::DisplayTooltip(Point location)
			{
				if(!tooltipControl) return false;
				GetApplication()->ShowTooltip(this, tooltipControl, tooltipWidth, location);
				return true;
			}

			void GuiControl::CloseTooltip()
			{
				if(GetApplication()->GetTooltipOwner()==this)
				{
					GetApplication()->CloseTooltip();
				}
			}

			IDescriptable* GuiControl::QueryService(const WString& identifier)
			{
				if (identifier == IGuiAltAction::Identifier)
				{
					return (IGuiAltAction*)this;
				}
				else if (identifier == IGuiAltActionContainer::Identifier)
				{
					return 0;
				}
				else if(parent)
				{
					return parent->QueryService(identifier);
				}
				else
				{
					return 0;
				}
			}

/***********************************************************************
GuiComponent
***********************************************************************/
			
			GuiComponent::GuiComponent()
			{
			}

			GuiComponent::~GuiComponent()
			{
			}

			void GuiComponent::Attach(GuiInstanceRootObject* rootObject)
			{
			}

			void GuiComponent::Detach(GuiInstanceRootObject* rootObject)
			{
			}

/***********************************************************************
GuiInstanceRootObject
***********************************************************************/

			void GuiInstanceRootObject::FinalizeInstance()
			{
				ClearSubscriptions();
				ClearComponents();
			}

			GuiInstanceRootObject::GuiInstanceRootObject()
			{
			}

			GuiInstanceRootObject::~GuiInstanceRootObject()
			{
			}

			Ptr<description::IValueSubscription> GuiInstanceRootObject::AddSubscription(Ptr<description::IValueSubscription> subscription)
			{
				if (subscriptions.Contains(subscription.Obj()))
				{
					return 0;
				}
				else
				{
					subscriptions.Add(subscription);
					return subscription;
				}
			}

			bool GuiInstanceRootObject::RemoveSubscription(Ptr<description::IValueSubscription> subscription)
			{
				return subscriptions.Remove(subscription.Obj());
			}

			bool GuiInstanceRootObject::ContainsSubscription(Ptr<description::IValueSubscription> subscription)
			{
				return subscriptions.Contains(subscription.Obj());
			}

			void GuiInstanceRootObject::ClearSubscriptions()
			{
				FOREACH(Ptr<IValueSubscription>, subscription, subscriptions)
				{
					subscription->Close();
				}
				subscriptions.Clear();
			}

			bool GuiInstanceRootObject::AddComponent(GuiComponent* component)
			{
				if(components.Contains(component))
				{
					return false;
				}
				else
				{
					components.Add(component);
					component->Attach(this);
					return true;
				}
			}

			bool GuiInstanceRootObject::AddControlHostComponent(GuiControlHost* controlHost)
			{
				return AddComponent(new GuiObjectComponent<GuiControlHost>(controlHost));
			}

			bool GuiInstanceRootObject::RemoveComponent(GuiComponent* component)
			{
				vint index = components.IndexOf(component);
				if (index == -1)
				{
					return false;
				}
				{
					component->Detach(this);
					return components.RemoveAt(index);
				}
			}

			bool GuiInstanceRootObject::ContainsComponent(GuiComponent* component)
			{
				return components.Contains(component);
			}

			void GuiInstanceRootObject::ClearComponents()
			{
				for(vint i=0;i<components.Count();i++)
				{
					components[i]->Detach(this);
				}
				for(vint i=0;i<components.Count();i++)
				{
					delete components[i];
				}
				components.Clear();
			}

/***********************************************************************
GuiCustomControl
***********************************************************************/

			GuiCustomControl::GuiCustomControl(IStyleController* _styleController)
				:GuiControl(_styleController)
			{
			}

			GuiCustomControl::~GuiCustomControl()
			{
				FinalizeAggregation();
				FinalizeInstance();
			}

/***********************************************************************
GuiLabel
***********************************************************************/

			GuiLabel::GuiLabel(IStyleController* _styleController)
				:GuiControl(_styleController)
				,styleController(_styleController)
			{
				textColor=styleController->GetDefaultTextColor();
				styleController->SetTextColor(textColor);
			}

			GuiLabel::~GuiLabel()
			{
			}

			Color GuiLabel::GetTextColor()
			{
				return textColor;
			}

			void GuiLabel::SetTextColor(Color value)
			{
				if(textColor!=value)
				{
					textColor=value;
					styleController->SetTextColor(textColor);
				}
			}

/***********************************************************************
GuiButton
***********************************************************************/

			void GuiButton::OnParentLineChanged()
			{
				GuiControl::OnParentLineChanged();
				if(GetRelatedControlHost()==0)
				{
					mousePressing=false;
					mouseHoving=false;
					UpdateControlState();
				}
			}

			void GuiButton::OnActiveAlt()
			{
				Clicked.Execute(GetNotifyEventArguments());
			}

			void GuiButton::UpdateControlState()
			{
				ControlState newControlState=Normal;
				if(mousePressing)
				{
					if(mouseHoving)
					{
						newControlState=Pressed;
					}
					else
					{
						newControlState=Active;
					}
				}
				else
				{
					if(mouseHoving)
					{
						newControlState=Active;
					}
					else
					{
						newControlState=Normal;
					}
				}
				if(controlState!=newControlState)
				{
					controlState=newControlState;
					styleController->Transfer(controlState);
				}
			}

			void GuiButton::OnLeftButtonDown(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(arguments.eventSource==boundsComposition)
				{
					mousePressing=true;
					boundsComposition->GetRelatedGraphicsHost()->SetFocus(boundsComposition);
					UpdateControlState();
					if(!clickOnMouseUp && arguments.eventSource->GetAssociatedControl()==this)
					{
						Clicked.Execute(GetNotifyEventArguments());
					}
				}
			}

			void GuiButton::OnLeftButtonUp(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(arguments.eventSource==boundsComposition)
				{
					mousePressing=false;
					UpdateControlState();
				}
				if(GetVisuallyEnabled())
				{
					if(mouseHoving && clickOnMouseUp && arguments.eventSource->GetAssociatedControl()==this)
					{
						Clicked.Execute(GetNotifyEventArguments());
					}
				}
			}

			void GuiButton::OnMouseEnter(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(arguments.eventSource==boundsComposition)
				{
					mouseHoving=true;
					UpdateControlState();
				}
			}

			void GuiButton::OnMouseLeave(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(arguments.eventSource==boundsComposition)
				{
					mouseHoving=false;
					UpdateControlState();
				}
			}

			GuiButton::GuiButton(IStyleController* _styleController)
				:GuiControl(_styleController)
				,styleController(_styleController)
				,clickOnMouseUp(true)
				,mousePressing(false)
				,mouseHoving(false)
				,controlState(Normal)
			{
				Clicked.SetAssociatedComposition(boundsComposition);
				styleController->Transfer(Normal);
				SetFocusableComposition(boundsComposition);

				GetEventReceiver()->leftButtonDown.AttachMethod(this, &GuiButton::OnLeftButtonDown);
				GetEventReceiver()->leftButtonUp.AttachMethod(this, &GuiButton::OnLeftButtonUp);
				GetEventReceiver()->mouseEnter.AttachMethod(this, &GuiButton::OnMouseEnter);
				GetEventReceiver()->mouseLeave.AttachMethod(this, &GuiButton::OnMouseLeave);
			}

			GuiButton::~GuiButton()
			{
			}

			bool GuiButton::GetClickOnMouseUp()
			{
				return clickOnMouseUp;
			}

			void GuiButton::SetClickOnMouseUp(bool value)
			{
				clickOnMouseUp=value;
			}

/***********************************************************************
GuiSelectableButton::GroupController
***********************************************************************/

			GuiSelectableButton::GroupController::GroupController()
			{
			}

			GuiSelectableButton::GroupController::~GroupController()
			{
				for(vint i=buttons.Count()-1;i>=0;i--)
				{
					buttons[i]->SetGroupController(0);
				}
			}

			void GuiSelectableButton::GroupController::Attach(GuiSelectableButton* button)
			{
				if(!buttons.Contains(button))
				{
					buttons.Add(button);
				}
			}

			void GuiSelectableButton::GroupController::Detach(GuiSelectableButton* button)
			{
				buttons.Remove(button);
			}

/***********************************************************************
GuiSelectableButton::MutexGroupController
***********************************************************************/

			GuiSelectableButton::MutexGroupController::MutexGroupController()
				:suppress(false)
			{
			}

			GuiSelectableButton::MutexGroupController::~MutexGroupController()
			{
			}

			void GuiSelectableButton::MutexGroupController::OnSelectedChanged(GuiSelectableButton* button)
			{
				if(!suppress)
				{
					suppress=true;
					for(vint i=0;i<buttons.Count();i++)
					{
						buttons[i]->SetSelected(buttons[i]==button);
					}
					suppress=false;
				}
			}

/***********************************************************************
GuiSelectableButton
***********************************************************************/

			void GuiSelectableButton::OnClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(autoSelection)
				{
					SetSelected(!GetSelected());
				}
			}

			GuiSelectableButton::GuiSelectableButton(IStyleController* _styleController)
				:GuiButton(_styleController)
				,styleController(_styleController)
				,groupController(0)
				,autoSelection(true)
				,isSelected(false)
			{
				GroupControllerChanged.SetAssociatedComposition(boundsComposition);
				AutoSelectionChanged.SetAssociatedComposition(boundsComposition);
				SelectedChanged.SetAssociatedComposition(boundsComposition);

				Clicked.AttachMethod(this, &GuiSelectableButton::OnClicked);
				styleController->SetSelected(isSelected);
			}
			
			GuiSelectableButton::~GuiSelectableButton()
			{
				if(groupController)
				{
					groupController->Detach(this);
				}
			}

			GuiSelectableButton::GroupController* GuiSelectableButton::GetGroupController()
			{
				return groupController;
			}

			void GuiSelectableButton::SetGroupController(GroupController* value)
			{
				if(groupController)
				{
					groupController->Detach(this);
				}
				groupController=value;
				if(groupController)
				{
					groupController->Attach(this);
				}
				GroupControllerChanged.Execute(GetNotifyEventArguments());
			}

			bool GuiSelectableButton::GetAutoSelection()
			{
				return autoSelection;
			}

			void GuiSelectableButton::SetAutoSelection(bool value)
			{
				if(autoSelection!=value)
				{
					autoSelection=value;
					AutoSelectionChanged.Execute(GetNotifyEventArguments());
				}
			}

			bool GuiSelectableButton::GetSelected()
			{
				return isSelected;
			}

			void GuiSelectableButton::SetSelected(bool value)
			{
				if(isSelected!=value)
				{
					isSelected=value;
					styleController->SetSelected(isSelected);
					if(groupController)
					{
						groupController->OnSelectedChanged(this);
					}
					SelectedChanged.Execute(GetNotifyEventArguments());
				}
			}

/***********************************************************************
GuiScroll::CommandExecutor
***********************************************************************/

			GuiScroll::CommandExecutor::CommandExecutor(GuiScroll* _scroll)
				:scroll(_scroll)
			{
			}

			GuiScroll::CommandExecutor::~CommandExecutor()
			{
			}

			void GuiScroll::CommandExecutor::SmallDecrease()
			{
				scroll->SetPosition(scroll->GetPosition()-scroll->GetSmallMove());
			}

			void GuiScroll::CommandExecutor::SmallIncrease()
			{
				scroll->SetPosition(scroll->GetPosition()+scroll->GetSmallMove());
			}

			void GuiScroll::CommandExecutor::BigDecrease()
			{
				scroll->SetPosition(scroll->GetPosition()-scroll->GetBigMove());
			}

			void GuiScroll::CommandExecutor::BigIncrease()
			{
				scroll->SetPosition(scroll->GetPosition()+scroll->GetBigMove());
			}
			
			void GuiScroll::CommandExecutor::SetTotalSize(vint value)
			{
				scroll->SetTotalSize(value);
			}

			void GuiScroll::CommandExecutor::SetPageSize(vint value)
			{
				scroll->SetPageSize(value);
			}

			void GuiScroll::CommandExecutor::SetPosition(vint value)
			{
				scroll->SetPosition(value);
			}

/***********************************************************************
GuiScroll
***********************************************************************/

			GuiScroll::GuiScroll(IStyleController* _styleController)
				:GuiControl(_styleController)
				,styleController(_styleController)
				,totalSize(100)
				,pageSize(10)
				,position(0)
				,smallMove(1)
				,bigMove(10)
			{
				TotalSizeChanged.SetAssociatedComposition(boundsComposition);
				PageSizeChanged.SetAssociatedComposition(boundsComposition);
				PositionChanged.SetAssociatedComposition(boundsComposition);
				SmallMoveChanged.SetAssociatedComposition(boundsComposition);
				BigMoveChanged.SetAssociatedComposition(boundsComposition);

				commandExecutor=new CommandExecutor(this);
				styleController->SetCommandExecutor(commandExecutor.Obj());
				styleController->SetPageSize(pageSize);
				styleController->SetTotalSize(totalSize);
				styleController->SetPosition(position);
			}

			GuiScroll::~GuiScroll()
			{
			}

			vint GuiScroll::GetTotalSize()
			{
				return totalSize;
			}

			void GuiScroll::SetTotalSize(vint value)
			{
				if(totalSize!=value && 0<value)
				{
					totalSize=value;
					if(pageSize>totalSize)
					{
						SetPageSize(totalSize);
					}
					if(position>GetMaxPosition())
					{
						SetPosition(GetMaxPosition());
					}
					styleController->SetTotalSize(totalSize);
					TotalSizeChanged.Execute(GetNotifyEventArguments());
				}
			}

			vint GuiScroll::GetPageSize()
			{
				return pageSize;
			}

			void GuiScroll::SetPageSize(vint value)
			{
				if(pageSize!=value && 0<=value && value<=totalSize)
				{
					pageSize=value;
					if(position>GetMaxPosition())
					{
						SetPosition(GetMaxPosition());
					}
					styleController->SetPageSize(pageSize);
					PageSizeChanged.Execute(GetNotifyEventArguments());
				}
			}

			vint GuiScroll::GetPosition()
			{
				return position;
			}

			void GuiScroll::SetPosition(vint value)
			{
				vint min=GetMinPosition();
				vint max=GetMaxPosition();
				vint newPosition=
					value<min?min:
					value>max?max:
					value;
				if(position!=newPosition)
				{
					position=newPosition;
					styleController->SetPosition(position);
					PositionChanged.Execute(GetNotifyEventArguments());
				}
			}

			vint GuiScroll::GetSmallMove()
			{
				return smallMove;
			}

			void GuiScroll::SetSmallMove(vint value)
			{
				if(value>0 && smallMove!=value)
				{
					smallMove=value;
					SmallMoveChanged.Execute(GetNotifyEventArguments());
				}
			}

			vint GuiScroll::GetBigMove()
			{
				return bigMove;
			}

			void GuiScroll::SetBigMove(vint value)
			{
				if(value>0 && bigMove!=value)
				{
					bigMove=value;
					BigMoveChanged.Execute(GetNotifyEventArguments());
				}
			}

			vint GuiScroll::GetMinPosition()
			{
				return 0;
			}

			vint GuiScroll::GetMaxPosition()
			{
				return totalSize-pageSize;
			}

/***********************************************************************
GuiDialogBase
***********************************************************************/

			GuiWindow* GuiDialogBase::GetHostWindow()
			{
				if (rootObject)
				{
					if (auto control = dynamic_cast<GuiControl*>(rootObject))
					{
						if (auto host = control->GetRelatedControlHost())
						{
							return dynamic_cast<GuiWindow*>(host);
						}
					}
					else if (auto composition = dynamic_cast<GuiGraphicsComposition*>(rootObject))
					{
						if (auto host = composition->GetRelatedControlHost())
						{
							return dynamic_cast<GuiWindow*>(host);
						}
					}
				}
				return nullptr;
			}

			GuiDialogBase::GuiDialogBase()
			{
			}

			GuiDialogBase::~GuiDialogBase()
			{
			}

			void GuiDialogBase::Attach(GuiInstanceRootObject* _rootObject)
			{
				rootObject = _rootObject;
			}

			void GuiDialogBase::Detach(GuiInstanceRootObject* _rootObject)
			{
				rootObject = nullptr;
			}

/***********************************************************************
GuiMessageDialog
***********************************************************************/

			GuiMessageDialog::GuiMessageDialog()
			{
			}

			GuiMessageDialog::~GuiMessageDialog()
			{
			}

			INativeDialogService::MessageBoxButtonsInput GuiMessageDialog::GetInput()
			{
				return input;
			}

			void GuiMessageDialog::SetInput(INativeDialogService::MessageBoxButtonsInput value)
			{
				input = value;
			}

			INativeDialogService::MessageBoxDefaultButton GuiMessageDialog::GetDefaultButton()
			{
				return defaultButton;
			}

			void GuiMessageDialog::SetDefaultButton(INativeDialogService::MessageBoxDefaultButton value)
			{
				defaultButton = value;
			}

			INativeDialogService::MessageBoxIcons GuiMessageDialog::GetIcon()
			{
				return icon;
			}

			void GuiMessageDialog::SetIcon(INativeDialogService::MessageBoxIcons value)
			{
				icon = value;
			}

			INativeDialogService::MessageBoxModalOptions GuiMessageDialog::GetModalOption()
			{
				return modalOption;
			}

			void GuiMessageDialog::SetModalOption(INativeDialogService::MessageBoxModalOptions value)
			{
				modalOption = value;
			}

			const WString& GuiMessageDialog::GetText()
			{
				return text;
			}

			void GuiMessageDialog::SetText(const WString& value)
			{
				text = value;
			}

			const WString& GuiMessageDialog::GetTitle()
			{
				return title;
			}

			void GuiMessageDialog::SetTitle(const WString& value)
			{
				title = value;
			}

			INativeDialogService::MessageBoxButtonsOutput GuiMessageDialog::ShowDialog()
			{
				auto service = GetCurrentController()->DialogService();
				return service->ShowMessageBox(GetHostWindow()->GetNativeWindow(), text, title, input, defaultButton, icon, modalOption);
			}

/***********************************************************************
GuiColorDialog
***********************************************************************/

			GuiColorDialog::GuiColorDialog()
			{
				for (vint i = 0; i < 16; i++)
				{
					customColors.Add(Color());
				}
			}

			GuiColorDialog::~GuiColorDialog()
			{
			}

			bool GuiColorDialog::GetEnabledCustomColor()
			{
				return enabledCustomColor;
			}

			void GuiColorDialog::SetEnabledCustomColor(bool value)
			{
				enabledCustomColor = value;
			}

			bool GuiColorDialog::GetOpenedCustomColor()
			{
				return openedCustomColor;
			}

			void GuiColorDialog::SetOpenedCustomColor(bool value)
			{
				openedCustomColor = value;
			}

			Color GuiColorDialog::GetSelectedColor()
			{
				return selectedColor;
			}

			void GuiColorDialog::SetSelectedColor(Color value)
			{
				if (selectedColor != value)
				{
					selectedColor = value;
					SelectedColorChanged.Execute(GuiEventArgs());
				}
			}

			collections::List<Color>& GuiColorDialog::GetCustomColors()
			{
				return customColors;
			}

			bool GuiColorDialog::ShowDialog()
			{
				Array<Color> colors;
				CopyFrom(colors, customColors);
				colors.Resize(16);

				INativeDialogService::ColorDialogCustomColorOptions options =
					!enabledCustomColor ? INativeDialogService::CustomColorDisabled :
					!openedCustomColor ? INativeDialogService::CustomColorEnabled :
					INativeDialogService::CustomColorOpened;

				auto service = GetCurrentController()->DialogService();
				if (!service->ShowColorDialog(GetHostWindow()->GetNativeWindow(), selectedColor, showSelection, options, &colors[0]))
				{
					return false;
				}

				CopyFrom(customColors, colors);
				SelectedColorChanged.Execute(GuiEventArgs());
				return true;
			}

/***********************************************************************
GuiFontDialog
***********************************************************************/

			GuiFontDialog::GuiFontDialog()
			{
			}

			GuiFontDialog::~GuiFontDialog()
			{
			}

			const FontProperties& GuiFontDialog::GetSelectedFont()
			{
				return selectedFont;
			}

			void GuiFontDialog::SetSelectedFont(const FontProperties& value)
			{
				if (selectedFont != value)
				{
					selectedFont = value;
					SelectedFontChanged.Execute(GuiEventArgs());
				}
			}

			Color GuiFontDialog::GetSelectedColor()
			{
				return selectedColor;
			}

			void GuiFontDialog::SetSelectedColor(Color value)
			{
				if (selectedColor != value)
				{
					selectedColor = value;
					SelectedColorChanged.Execute(GuiEventArgs());
				}
			}

			bool GuiFontDialog::GetShowSelection()
			{
				return showSelection;
			}

			void GuiFontDialog::SetShowSelection(bool value)
			{
				showSelection = value;
			}

			bool GuiFontDialog::GetShowEffect()
			{
				return showEffect;
			}

			void GuiFontDialog::SetShowEffect(bool value)
			{
				showEffect = value;
			}

			bool GuiFontDialog::GetForceFontExist()
			{
				return forceFontExist;
			}

			void GuiFontDialog::SetForceFontExist(bool value)
			{
				forceFontExist = value;
			}

			bool GuiFontDialog::ShowDialog()
			{
				auto service = GetCurrentController()->DialogService();
				if (!service->ShowFontDialog(GetHostWindow()->GetNativeWindow(), selectedFont, selectedColor, showSelection, showEffect, forceFontExist))
				{
					return false;
				}

				SelectedColorChanged.Execute(GuiEventArgs());
				SelectedFontChanged.Execute(GuiEventArgs());
				return true;
			}

/***********************************************************************
GuiFileDialogBase
***********************************************************************/

			GuiFileDialogBase::GuiFileDialogBase()
			{
			}

			GuiFileDialogBase::~GuiFileDialogBase()
			{
			}

			const WString& GuiFileDialogBase::GetFilter()
			{
				return filter;
			}

			void GuiFileDialogBase::SetFilter(const WString& value)
			{
				filter = value;
			}

			vint GuiFileDialogBase::GetFilterIndex()
			{
				return filterIndex;
			}

			void GuiFileDialogBase::SetFilterIndex(vint value)
			{
				if (filterIndex != value)
				{
					filterIndex = value;
					FilterIndexChanged.Execute(GuiEventArgs());
				}
			}

			bool GuiFileDialogBase::GetEnabledPreview()
			{
				return enabledPreview;
			}

			void GuiFileDialogBase::SetEnabledPreview(bool value)
			{
				enabledPreview = value;
			}

			WString GuiFileDialogBase::GetTitle()
			{
				return title;
			}

			void GuiFileDialogBase::SetTitle(const WString& value)
			{
				title = value;
			}

			WString GuiFileDialogBase::GetFileName()
			{
				return fileName;
			}

			void GuiFileDialogBase::SetFileName(const WString& value)				
			{
				if (fileName != value)
				{
					FileNameChanged.Execute(GuiEventArgs());
				}
			}

			WString GuiFileDialogBase::GetDirectory()
			{
				return directory;
			}

			void GuiFileDialogBase::SetDirectory(const WString& value)
			{
				directory = value;
			}

			WString GuiFileDialogBase::GetDefaultExtension()
			{
				return defaultExtension;
			}

			void GuiFileDialogBase::SetDefaultExtension(const WString& value)
			{
				defaultExtension = value;
			}

			INativeDialogService::FileDialogOptions GuiFileDialogBase::GetOptions()
			{
				return options;
			}

			void GuiFileDialogBase::SetOptions(INativeDialogService::FileDialogOptions value)
			{
				options = value;
			}

/***********************************************************************
GuiOpenFileDialog
***********************************************************************/

			GuiOpenFileDialog::GuiOpenFileDialog()
			{
			}

			GuiOpenFileDialog::~GuiOpenFileDialog()
			{
			}

			collections::List<WString>& GuiOpenFileDialog::GetFileNames()
			{
				return fileNames;
			}

			bool GuiOpenFileDialog::ShowDialog()
			{
				fileNames.Clear();
				auto service = GetCurrentController()->DialogService();
				if (!service->ShowFileDialog(
					GetHostWindow()->GetNativeWindow(),
					fileNames,
					filterIndex,
					(enabledPreview ? INativeDialogService::FileDialogOpenPreview : INativeDialogService::FileDialogOpen),
					title,
					fileName,
					directory,
					defaultExtension,
					filter,
					options))
				{
					return false;
				}

				if (fileNames.Count() > 0)
				{
					fileName = fileNames[0];
					FileNameChanged.Execute(GuiEventArgs());
					FilterIndexChanged.Execute(GuiEventArgs());
				}
				return true;
			}

/***********************************************************************
GuiSaveFileDialog
***********************************************************************/

			GuiSaveFileDialog::GuiSaveFileDialog()
			{
			}

			GuiSaveFileDialog::~GuiSaveFileDialog()
			{
			}

			bool GuiSaveFileDialog::ShowDialog()
			{
				List<WString> fileNames;
				auto service = GetCurrentController()->DialogService();
				if (!service->ShowFileDialog(
					GetHostWindow()->GetNativeWindow(),
					fileNames,
					filterIndex,
					(enabledPreview ? INativeDialogService::FileDialogSavePreview : INativeDialogService::FileDialogSave),
					title,
					fileName,
					directory,
					defaultExtension,
					filter,
					options))
				{
					return false;
				}

				if (fileNames.Count() > 0)
				{
					fileName = fileNames[0];
					FileNameChanged.Execute(GuiEventArgs());
					FilterIndexChanged.Execute(GuiEventArgs());
				}
				return true;
			}
		}
	}
}

/***********************************************************************
CONTROLS\GUICONTAINERCONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		using namespace compositions;

		namespace controls
		{
/***********************************************************************
GuiTabPage
***********************************************************************/

			bool GuiTabPage::AssociateTab(GuiTab* _owner)
			{
				if(owner)
				{
					return false;
				}
				else
				{
					owner=_owner;
					PageInstalled.Execute(containerControl->GetNotifyEventArguments());
					return true;
				}
			}

			bool GuiTabPage::DeassociateTab(GuiTab* _owner)
			{
				if(owner && owner==_owner)
				{
					PageUninstalled.Execute(containerControl->GetNotifyEventArguments());
					owner=0;
					return true;
				}
				else
				{
					return false;
				}
			}

			compositions::GuiGraphicsComposition* GuiTabPage::GetAltComposition()
			{
				return containerControl->GetContainerComposition();
			}

			compositions::IGuiAltActionHost* GuiTabPage::GetPreviousAltHost()
			{
				return previousAltHost;
			}

			void GuiTabPage::OnActivatedAltHost(compositions::IGuiAltActionHost* previousHost)
			{
				previousAltHost = previousHost;
			}

			void GuiTabPage::OnDeactivatedAltHost()
			{
				previousAltHost = 0;
			}

			void GuiTabPage::CollectAltActions(collections::Group<WString, compositions::IGuiAltAction*>& actions)
			{
				IGuiAltActionHost::CollectAltActionsFromControl(containerControl, actions);
			}

			GuiTabPage::GuiTabPage()
				:containerControl(0)
				,owner(0)
				,previousAltHost(0)
			{
				containerControl = new GuiControl(new GuiControl::EmptyStyleController());
				containerControl->GetBoundsComposition()->SetAlignmentToParent(Margin(2, 2, 2, 2));
				
				AltChanged.SetAssociatedComposition(containerControl->GetBoundsComposition());
				TextChanged.SetAssociatedComposition(containerControl->GetBoundsComposition());
				PageInstalled.SetAssociatedComposition(containerControl->GetBoundsComposition());
				PageUninstalled.SetAssociatedComposition(containerControl->GetBoundsComposition());
			}

			GuiTabPage::~GuiTabPage()
			{
				if (!containerControl->GetParent())
				{
					delete containerControl;
				}
			}

			compositions::GuiGraphicsComposition* GuiTabPage::GetContainerComposition()
			{
				return containerControl->GetContainerComposition();
			}

			GuiTab* GuiTabPage::GetOwnerTab()
			{
				return owner;
			}

			const WString& GuiTabPage::GetAlt()
			{
				return alt;
			}

			bool GuiTabPage::SetAlt(const WString& value)
			{
				if (!IGuiAltAction::IsLegalAlt(value)) return false;
				if(owner)
				{
					owner->styleController->SetTabAlt(owner->tabPages.IndexOf(this), text, this);
				}
				if (alt != value)
				{
					alt = value;
					AltChanged.Execute(containerControl->GetNotifyEventArguments());
				}
				return true;
			}

			const WString& GuiTabPage::GetText()
			{
				return text;
			}

			void GuiTabPage::SetText(const WString& value)
			{
				if(text!=value)
				{
					text=value;
					if(owner)
					{
						owner->styleController->SetTabText(owner->tabPages.IndexOf(this), text);
					}
					TextChanged.Execute(containerControl->GetNotifyEventArguments());
				}
			}

			bool GuiTabPage::GetSelected()
			{
				return owner->GetSelectedPage()==this;
			}

/***********************************************************************
GuiTab
***********************************************************************/

			GuiTab::CommandExecutor::CommandExecutor(GuiTab* _tab)
				:tab(_tab)
			{
			}

			GuiTab::CommandExecutor::~CommandExecutor()
			{
			}

			void GuiTab::CommandExecutor::ShowTab(vint index)
			{
				tab->SetSelectedPage(tab->GetPages().Get(index));
			}

			vint GuiTab::GetAltActionCount()
			{
				return tabPages.Count();
			}

			compositions::IGuiAltAction* GuiTab::GetAltAction(vint index)
			{
				return styleController->GetTabAltAction(index);
			}

			GuiTab::GuiTab(IStyleController* _styleController)
				:GuiControl(_styleController)
				,styleController(_styleController)
				,selectedPage(0)
			{
				commandExecutor=new CommandExecutor(this);
				styleController->SetCommandExecutor(commandExecutor.Obj());
			}

			GuiTab::~GuiTab()
			{
				for(vint i=0;i<tabPages.Count();i++)
				{
					delete tabPages[i];
				}
			}

			IDescriptable* GuiTab::QueryService(const WString& identifier)
			{
				if (identifier == IGuiAltActionContainer::Identifier)
				{
					return (IGuiAltActionContainer*)this;
				}
				else
				{
					return GuiControl::QueryService(identifier);
				}
			}

			GuiTabPage* GuiTab::CreatePage(vint index)
			{
				GuiTabPage* page=new GuiTabPage();
				if(CreatePage(page, index))
				{
					return page;
				}
				else
				{
					delete page;
					return 0;
				}
			}

			bool GuiTab::CreatePage(GuiTabPage* page, vint index)
			{
				if(index>=0 && index>=tabPages.Count())
				{
					index=tabPages.Count()-1;
				}
				else if(index<-1)
				{
					index=-1;
				}

				if(page->AssociateTab(this))
				{
					index=index==-1?tabPages.Add(page):tabPages.Insert(index, page);
					GetContainerComposition()->AddChild(page->GetContainerComposition());
					styleController->InsertTab(index);
					styleController->SetTabText(index, page->GetText());
					styleController->SetTabAlt(index, page->GetAlt(), page);
				
					if(!selectedPage)
					{
						SetSelectedPage(page);
					}
					page->GetContainerComposition()->SetVisible(page==selectedPage);
					return true;
				}
				else
				{
					return false;
				}
			}

			bool GuiTab::RemovePage(GuiTabPage* page)
			{
				if(page->GetOwnerTab()==this && page->DeassociateTab(this))
				{
					vint index=tabPages.IndexOf(page);
					styleController->RemoveTab(index);
					GetContainerComposition()->RemoveChild(page->GetContainerComposition());
					tabPages.RemoveAt(index);
					if(tabPages.Count()==0)
					{
						SetSelectedPage(0);
						return 0;
					}
					else if(selectedPage==page)
					{
						SetSelectedPage(tabPages[0]);
					}
					return true;
				}
				else
				{
					return false;
				}
			}

			bool GuiTab::MovePage(GuiTabPage* page, vint newIndex)
			{
				if(!page) return false;
				vint index=tabPages.IndexOf(page);
				if(index==-1) return false;
				tabPages.RemoveAt(index);
				tabPages.Insert(newIndex, page);
				styleController->MoveTab(index, newIndex);
				styleController->SetSelectedTab(tabPages.IndexOf(selectedPage));
				return true;
			}

			const collections::List<GuiTabPage*>& GuiTab::GetPages()
			{
				return tabPages;
			}

			GuiTabPage* GuiTab::GetSelectedPage()
			{
				return selectedPage;
			}

			bool GuiTab::SetSelectedPage(GuiTabPage* value)
			{
				if(!value)
				{
					if(tabPages.Count()==0)
					{
						selectedPage=0;
					}
				}
				else if(value->GetOwnerTab()==this)
				{
					if(selectedPage!=value)
					{
						selectedPage=value;
						for(vint i=0;i<tabPages.Count();i++)
						{
							bool selected=tabPages[i]==value;
							tabPages[i]->GetContainerComposition()->SetVisible(selected);
							if(selected)
							{
								styleController->SetSelectedTab(i);
							}
						}
						SelectedPageChanged.Execute(GetNotifyEventArguments());
					}
				}
				return selectedPage==value;
			}

/***********************************************************************
GuiScrollView::StyleController
***********************************************************************/

			void GuiScrollView::StyleController::UpdateTable()
			{
				if(horizontalScroll->GetEnabled() || horizontalAlwaysVisible)
				{
					tableComposition->SetRowOption(1, GuiCellOption::AbsoluteOption(styleProvider->GetDefaultScrollSize()));
				}
				else
				{
					tableComposition->SetRowOption(1, GuiCellOption::AbsoluteOption(0));
				}
				if(verticalScroll->GetEnabled() || verticalAlwaysVisible)
				{
					tableComposition->SetColumnOption(1, GuiCellOption::AbsoluteOption(styleProvider->GetDefaultScrollSize()));
				}
				else
				{
					tableComposition->SetColumnOption(1, GuiCellOption::AbsoluteOption(0));
				}
				tableComposition->UpdateCellBounds();
			}

			GuiScrollView::StyleController::StyleController(IStyleProvider* _styleProvider)
				:styleProvider(_styleProvider)
				,scrollView(0)
				,horizontalAlwaysVisible(true)
				,verticalAlwaysVisible(true)
			{
				horizontalScroll=new GuiScroll(styleProvider->CreateHorizontalScrollStyle());
				horizontalScroll->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
				horizontalScroll->SetEnabled(false);
				verticalScroll=new GuiScroll(styleProvider->CreateVerticalScrollStyle());
				verticalScroll->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
				verticalScroll->SetEnabled(false);

				boundsComposition=new GuiBoundsComposition;
				GuiGraphicsComposition* tableContainerComposition=styleProvider->InstallBackground(boundsComposition);

				tableComposition=new GuiTableComposition;
				tableContainerComposition->AddChild(tableComposition);
				tableComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				tableComposition->SetRowsAndColumns(2, 2);
				tableComposition->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
				tableComposition->SetRowOption(1, GuiCellOption::MinSizeOption());
				tableComposition->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
				tableComposition->SetColumnOption(1, GuiCellOption::MinSizeOption());
				UpdateTable();
				{
					GuiCellComposition* cell=new GuiCellComposition;
					tableComposition->AddChild(cell);
					cell->SetSite(1, 0, 1, 1);
					cell->AddChild(horizontalScroll->GetBoundsComposition());
				}
				{
					GuiCellComposition* cell=new GuiCellComposition;
					tableComposition->AddChild(cell);
					cell->SetSite(0, 1, 1, 1);
					cell->AddChild(verticalScroll->GetBoundsComposition());
				}
				
				containerCellComposition=new GuiCellComposition;
				tableComposition->AddChild(containerCellComposition);
				containerCellComposition->SetSite(0, 0, 1, 1);

				containerComposition=new GuiBoundsComposition;
				containerComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				containerCellComposition->AddChild(containerComposition);

				styleProvider->AssociateStyleController(this);
			}

			GuiScrollView::StyleController::~StyleController()
			{
			}

			void GuiScrollView::StyleController::SetScrollView(GuiScrollView* _scrollView)
			{
				scrollView=_scrollView;
			}

			void GuiScrollView::StyleController::AdjustView(Size fullSize)
			{
				Size viewSize=containerComposition->GetBounds().GetSize();
				if(fullSize.x<=viewSize.x)
				{
					horizontalScroll->SetEnabled(false);
					horizontalScroll->SetPosition(0);
				}
				else
				{
					horizontalScroll->SetEnabled(true);
					horizontalScroll->SetTotalSize(fullSize.x);
					horizontalScroll->SetPageSize(viewSize.x);
				}
				if(fullSize.y<=viewSize.y)
				{
					verticalScroll->SetEnabled(false);
					verticalScroll->SetPosition(0);
				}
				else
				{
					verticalScroll->SetEnabled(true);
					verticalScroll->SetTotalSize(fullSize.y);
					verticalScroll->SetPageSize(viewSize.y);
				}
				UpdateTable();
			}

			GuiScrollView::IStyleProvider* GuiScrollView::StyleController::GetStyleProvider()
			{
				return styleProvider.Obj();
			}

			GuiScroll* GuiScrollView::StyleController::GetHorizontalScroll()
			{
				return horizontalScroll;
			}

			GuiScroll* GuiScrollView::StyleController::GetVerticalScroll()
			{
				return verticalScroll;
			}

			compositions::GuiTableComposition* GuiScrollView::StyleController::GetInternalTableComposition()
			{
				return tableComposition;
			}

			compositions::GuiBoundsComposition* GuiScrollView::StyleController::GetInternalContainerComposition()
			{
				return containerComposition;
			}

			bool GuiScrollView::StyleController::GetHorizontalAlwaysVisible()
			{
				return horizontalAlwaysVisible;
			}

			void GuiScrollView::StyleController::SetHorizontalAlwaysVisible(bool value)
			{
				if(horizontalAlwaysVisible!=value)
				{
					horizontalAlwaysVisible=value;
					scrollView->CalculateView();
				}
			}

			bool GuiScrollView::StyleController::GetVerticalAlwaysVisible()
			{
				return verticalAlwaysVisible;
			}

			void GuiScrollView::StyleController::SetVerticalAlwaysVisible(bool value)
			{
				if(verticalAlwaysVisible!=value)
				{
					verticalAlwaysVisible=value;
					scrollView->CalculateView();
				}
			}

			compositions::GuiBoundsComposition* GuiScrollView::StyleController::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* GuiScrollView::StyleController::GetContainerComposition()
			{
				return containerComposition;
			}

			void GuiScrollView::StyleController::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				styleProvider->SetFocusableComposition(value);
			}

			void GuiScrollView::StyleController::SetText(const WString& value)
			{
				styleProvider->SetText(value);
			}

			void GuiScrollView::StyleController::SetFont(const FontProperties& value)
			{
				styleProvider->SetFont(value);
			}

			void GuiScrollView::StyleController::SetVisuallyEnabled(bool value)
			{
				styleProvider->SetVisuallyEnabled(value);
			}

/***********************************************************************
GuiScrollView
***********************************************************************/

			void GuiScrollView::OnContainerBoundsChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				CalculateView();
			}

			void GuiScrollView::OnHorizontalScroll(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(!supressScrolling)
				{
					CallUpdateView();
				}
			}

			void GuiScrollView::OnVerticalScroll(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(!supressScrolling)
				{
					CallUpdateView();
				}
			}

			void GuiScrollView::OnHorizontalWheel(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(!supressScrolling)
				{
					auto scroll = styleController->GetHorizontalScroll();
					vint position = scroll->GetPosition();
					vint move = scroll->GetSmallMove();
					position -= move*arguments.wheel / 60;
					scroll->SetPosition(position);
				}
			}

			void GuiScrollView::OnVerticalWheel(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(!supressScrolling && GetVisuallyEnabled())
				{
					auto scroll = styleController->GetVerticalScroll();
					vint position = scroll->GetPosition();
					vint move = scroll->GetSmallMove();
					position -= move*arguments.wheel / 60;
					scroll->SetPosition(position);
				}
			}

			void GuiScrollView::CallUpdateView()
			{
				Rect viewBounds=GetViewBounds();
				UpdateView(viewBounds);
			}

			void GuiScrollView::Initialize()
			{
				styleController=dynamic_cast<StyleController*>(GetStyleController());
				styleController->SetScrollView(this);

				styleController->GetInternalContainerComposition()->BoundsChanged.AttachMethod(this, &GuiScrollView::OnContainerBoundsChanged);
				styleController->GetHorizontalScroll()->PositionChanged.AttachMethod(this, &GuiScrollView::OnHorizontalScroll);
				styleController->GetVerticalScroll()->PositionChanged.AttachMethod(this, &GuiScrollView::OnVerticalScroll);
				styleController->GetBoundsComposition()->GetEventReceiver()->horizontalWheel.AttachMethod(this, &GuiScrollView::OnHorizontalWheel);
				styleController->GetBoundsComposition()->GetEventReceiver()->verticalWheel.AttachMethod(this, &GuiScrollView::OnVerticalWheel);
			}

			GuiScrollView::GuiScrollView(StyleController* _styleController)
				:GuiControl(_styleController)
				,supressScrolling(false)
			{
				Initialize();
			}

			GuiScrollView::GuiScrollView(IStyleProvider* styleProvider)
				:GuiControl(new StyleController(styleProvider))
				,supressScrolling(false)
			{
				Initialize();
			}

			vint GuiScrollView::GetSmallMove()
			{
				return GetFont().size * 2;
			}

			Size GuiScrollView::GetBigMove()
			{
				return GetViewSize();
			}
			
			GuiScrollView::~GuiScrollView()
			{
			}

			void GuiScrollView::SetFont(const FontProperties& value)
			{
				GuiControl::SetFont(value);
				CalculateView();
			}

			void GuiScrollView::CalculateView()
			{
				if(!supressScrolling)
				{
					Size fullSize = QueryFullSize();
					while(true)
					{
						styleController->AdjustView(fullSize);
						styleController->AdjustView(fullSize);
						supressScrolling = true;
						CallUpdateView();
						supressScrolling = false;

						Size newSize=QueryFullSize();
						if (fullSize == newSize)
						{
							vint smallMove = GetSmallMove();
							styleController->GetHorizontalScroll()->SetSmallMove(smallMove);
							styleController->GetVerticalScroll()->SetSmallMove(smallMove);
							Size bigMove = GetBigMove();
							styleController->GetHorizontalScroll()->SetBigMove(bigMove.x);
							styleController->GetVerticalScroll()->SetBigMove(bigMove.y);
							break;
						}
						else
						{
							fullSize=newSize;
						}
					}
				}
			}

			Size GuiScrollView::GetViewSize()
			{
				Size viewSize=styleController->GetInternalContainerComposition()->GetBounds().GetSize();
				return viewSize;
			}

			Rect GuiScrollView::GetViewBounds()
			{
				Point viewPosition=
					Point(
						styleController->GetHorizontalScroll()->GetPosition(),
						styleController->GetVerticalScroll()->GetPosition()
						);
				Size viewSize=GetViewSize();
				return Rect(viewPosition, viewSize);
			}

			GuiScroll* GuiScrollView::GetHorizontalScroll()
			{
				return styleController->GetHorizontalScroll();
			}

			GuiScroll* GuiScrollView::GetVerticalScroll()
			{
				return styleController->GetVerticalScroll();
			}

			bool GuiScrollView::GetHorizontalAlwaysVisible()
			{
				return styleController->GetHorizontalAlwaysVisible();
			}

			void GuiScrollView::SetHorizontalAlwaysVisible(bool value)
			{
				styleController->SetHorizontalAlwaysVisible(value);
			}

			bool GuiScrollView::GetVerticalAlwaysVisible()
			{
				return styleController->GetVerticalAlwaysVisible();
			}

			void GuiScrollView::SetVerticalAlwaysVisible(bool value)
			{
				styleController->SetVerticalAlwaysVisible(value);
			}

/***********************************************************************
GuiScrollContainer::StyleController
***********************************************************************/

			GuiScrollContainer::StyleController::StyleController(GuiScrollView::IStyleProvider* styleProvider)
				:GuiScrollView::StyleController(styleProvider)
				,extendToFullWidth(false)
			{
				controlContainerComposition=new GuiBoundsComposition;
				controlContainerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				GetInternalContainerComposition()->AddChild(controlContainerComposition);
			}

			GuiScrollContainer::StyleController::~StyleController()
			{
			}

			compositions::GuiGraphicsComposition* GuiScrollContainer::StyleController::GetContainerComposition()
			{
				return controlContainerComposition;
			}

			void GuiScrollContainer::StyleController::MoveContainer(Point leftTop)
			{
				controlContainerComposition->SetBounds(Rect(leftTop, Size(0, 0)));
			}

			bool GuiScrollContainer::StyleController::GetExtendToFullWidth()
			{
				return extendToFullWidth;
			}

			void GuiScrollContainer::StyleController::SetExtendToFullWidth(bool value)
			{
				if(extendToFullWidth!=value)
				{
					extendToFullWidth=value;
					if(value)
					{
						controlContainerComposition->SetAlignmentToParent(Margin(0, -1, 0, -1));
					}
					else
					{
						controlContainerComposition->SetAlignmentToParent(Margin(-1, -1, -1, -1));
					}
				}
			}

/***********************************************************************
GuiScrollContainer
***********************************************************************/

			void GuiScrollContainer::OnControlContainerBoundsChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				CalculateView();
			}

			Size GuiScrollContainer::QueryFullSize()
			{
				return styleController->GetContainerComposition()->GetBounds().GetSize();
			}

			void GuiScrollContainer::UpdateView(Rect viewBounds)
			{
				styleController->MoveContainer(Point(-viewBounds.x1, -viewBounds.y1));
			}

			GuiScrollContainer::GuiScrollContainer(GuiScrollContainer::IStyleProvider* styleProvider)
				:GuiScrollView(new StyleController(styleProvider))
				,styleController(0)
			{
				styleController=dynamic_cast<StyleController*>(GetStyleController());
				GuiBoundsComposition* composition=dynamic_cast<GuiBoundsComposition*>(styleController->GetContainerComposition());
				composition->BoundsChanged.AttachMethod(this, &GuiScrollContainer::OnControlContainerBoundsChanged);
			}

			GuiScrollContainer::~GuiScrollContainer()
			{
			}

			bool GuiScrollContainer::GetExtendToFullWidth()
			{
				return styleController->GetExtendToFullWidth();
			}

			void GuiScrollContainer::SetExtendToFullWidth(bool value)
			{
				styleController->SetExtendToFullWidth(value);
			}
		}
	}
}

/***********************************************************************
CONTROLS\GUIDATETIMECONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace collections;
			using namespace compositions;
			using namespace elements;

/***********************************************************************
GuiDatePicker::StyleController
***********************************************************************/

			vint GetDayCountForMonth(vint year, vint month)
			{
				bool isLeapYear=(year%100==0)?(year%400==0):(year%4==0);
				switch(month)
				{
				case 1:case 3:case 5:case 7:case 8:case 10:case 12:
					return 31;
				case 4:case 6:case 9:case 11:
					return 30;
				default:
					return isLeapYear?29:28;
				}
			}

			void StepPreviousMonth(vint& year, vint& month)
			{
				if(month==1)
				{
					year--;
					month=12;
				}
				else
				{
					month--;
				}
			}

			void StepNextMonth(vint& year, vint& month)
			{
				if(month==12)
				{
					year++;
					month=1;
				}
				else
				{
					month++;
				}
			}

			void GuiDatePicker::StyleController::SetDay(const DateTime& day, vint& index, bool currentMonth)
			{
				dateDays[index]=day;
				GuiSolidLabelElement* label=labelDays[index];
				label->SetText(itow(day.day));
				label->SetColor(currentMonth?styleProvider->GetPrimaryTextColor():styleProvider->GetSecondaryTextColor());
				index++;
			}

			void GuiDatePicker::StyleController::comboYearMonth_SelectedIndexChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(!preventComboEvent)
				{
					if(comboYear->GetSelectedIndex()!=-1 && comboMonth->GetSelectedIndex()!=-1)
					{
						vint year=comboYear->GetSelectedIndex()+YearFirst;
						vint month=comboMonth->GetSelectedIndex()+1;
						SetDate(DateTime::FromDateTime(year, month, 1));
						datePicker->NotifyDateChanged();
						datePicker->DateNavigated.Execute(datePicker->GetNotifyEventArguments());
					}
				}
			}

			void GuiDatePicker::StyleController::buttonDay_SelectedChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(!preventButtonEvent)
				{
					GuiSelectableButton* button=dynamic_cast<GuiSelectableButton*>(sender->GetRelatedControl());
					if(button->GetSelected())
					{
						vint index=buttonDays.IndexOf(button);
						if(index!=-1)
						{
							DateTime day=dateDays[index];
							if(day.year!=currentDate.year || day.month!=currentDate.month)
							{
								SetDate(day);
							}
							else
							{
								currentDate=day;
							}
							datePicker->NotifyDateChanged();
							datePicker->DateSelected.Execute(datePicker->GetNotifyEventArguments());
						}
					}
				}
			}

			void GuiDatePicker::StyleController::DisplayMonth(vint year, vint month)
			{
				if(YearFirst<=year && year<=YearLast && 1<=month && month<=12)
				{
					preventComboEvent=true;
					comboYear->SetSelectedIndex(year-YearFirst);
					comboMonth->SetSelectedIndex(month-1);
					preventComboEvent=false;
				}

				vint yearPrev=year, yearNext=year, monthPrev=month, monthNext=month;
				StepPreviousMonth(yearPrev, monthPrev);
				StepNextMonth(yearNext, monthNext);

				vint countPrev=GetDayCountForMonth(yearPrev, monthPrev);
				vint count=GetDayCountForMonth(year, month);
				vint countNext=GetDayCountForMonth(yearNext, monthNext);

				DateTime firstDay=DateTime::FromDateTime(year, month, 1);
				vint showPrev=firstDay.dayOfWeek;
				if(showPrev==0) showPrev=DaysOfWeek;
				vint show=count;
				vint showNext=DaysOfWeek*DayRows-showPrev-show;

				vint index=0;
				for(vint i=0;i<showPrev;i++)
				{
					DateTime day=DateTime::FromDateTime(yearPrev, monthPrev, countPrev-(showPrev-i-1));
					SetDay(day, index, false);
				}
				for(vint i=0;i<show;i++)
				{
					DateTime day=DateTime::FromDateTime(year, month, i+1);
					SetDay(day, index, true);
				}
				for(vint i=0;i<showNext;i++)
				{
					DateTime day=DateTime::FromDateTime(yearNext, monthNext, i+1);
					SetDay(day, index, false);
				}
			}

			void GuiDatePicker::StyleController::SelectDay(vint day)
			{
				for(vint i=0;i<dateDays.Count();i++)
				{
					const DateTime& dt=dateDays[i];
					if(dt.year==currentDate.year && dt.month==currentDate.month && dt.day==day)
					{
						preventButtonEvent=true;
						buttonDays[i]->SetSelected(true);
						preventButtonEvent=false;
						break;
					}
				}
			}

			GuiDatePicker::StyleController::StyleController(IStyleProvider* _styleProvider)
				:styleProvider(_styleProvider)
				,datePicker(0)
				,preventComboEvent(false)
				,preventButtonEvent(false)
			{
				GuiTableComposition* monthTable=0;
				GuiTableComposition* dayTable=0;
				{
					listYears=styleProvider->CreateTextList();
					listYears->SetHorizontalAlwaysVisible(false);
					for(vint i=YearFirst;i<=YearLast;i++)
					{
						listYears->GetItems().Add(new list::TextItem(itow(i)));
					}
					comboYear=new GuiComboBoxListControl(styleProvider->CreateComboBoxStyle(), listYears);
					comboYear->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 2, 0));
					comboYear->SelectedIndexChanged.AttachMethod(this, &StyleController::comboYearMonth_SelectedIndexChanged);
				}
				{
					listMonths=styleProvider->CreateTextList();
					listMonths->SetHorizontalAlwaysVisible(false);
					comboMonth=new GuiComboBoxListControl(styleProvider->CreateComboBoxStyle(), listMonths);
					comboMonth->GetBoundsComposition()->SetAlignmentToParent(Margin(2, 0, 0, 0));
					comboMonth->SelectedIndexChanged.AttachMethod(this, &StyleController::comboYearMonth_SelectedIndexChanged);
				}
				{
					monthTable=new GuiTableComposition;
					monthTable->SetAlignmentToParent(Margin(0, 0, 0, 0));
					monthTable->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					monthTable->SetRowsAndColumns(1, 2);
					monthTable->SetRowOption(0, GuiCellOption::MinSizeOption());
					monthTable->SetColumnOption(0, GuiCellOption::PercentageOption(0.5));
					monthTable->SetColumnOption(1, GuiCellOption::PercentageOption(0.5));
					{
						GuiCellComposition* cell=new GuiCellComposition;
						monthTable->AddChild(cell);
						cell->SetSite(0, 0, 1, 1);
						cell->AddChild(comboYear->GetBoundsComposition());
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						monthTable->AddChild(cell);
						cell->SetSite(0, 1, 1, 1);
						cell->AddChild(comboMonth->GetBoundsComposition());
					}
				}
				{
					dayTable=new GuiTableComposition;
					dayTable->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					dayTable->SetCellPadding(4);
					dayTable->SetRowsAndColumns(DayRows+DayRowStart, DaysOfWeek);

					for(vint i=0;i<DayRowStart;i++)
					{
						dayTable->SetRowOption(i, GuiCellOption::MinSizeOption());
					}
					for(vint i=0;i<DayRows;i++)
					{
						dayTable->SetRowOption(i+DayRowStart, GuiCellOption::PercentageOption(1.0));
					}
					for(vint i=0;i<DaysOfWeek;i++)
					{
						dayTable->SetColumnOption(i, GuiCellOption::PercentageOption(1.0));
					}

					{
						GuiCellComposition* cell=new GuiCellComposition;
						dayTable->AddChild(cell);
						cell->SetSite(0, 0, 1, DaysOfWeek);
						cell->AddChild(monthTable);
					}

					labelDaysOfWeek.Resize(7);
					for(vint i=0;i<DaysOfWeek;i++)
					{
						GuiCellComposition* cell=new GuiCellComposition;
						dayTable->AddChild(cell);
						cell->SetSite(1, i, 1, 1);

						GuiSolidLabelElement* element=GuiSolidLabelElement::Create();
						element->SetAlignments(Alignment::Center, Alignment::Center);
						element->SetColor(styleProvider->GetPrimaryTextColor());
						labelDaysOfWeek[i]=element;
						cell->SetOwnedElement(element);
					}

					buttonDays.Resize(DaysOfWeek*DayRows);
					labelDays.Resize(DaysOfWeek*DayRows);
					dateDays.Resize(DaysOfWeek*DayRows);
					dayMutexController=new GuiSelectableButton::MutexGroupController;
					for(vint i=0;i<DaysOfWeek;i++)
					{
						for(vint j=0;j<DayRows;j++)
						{
							GuiCellComposition* cell=new GuiCellComposition;
							dayTable->AddChild(cell);
							cell->SetSite(j+DayRowStart, i, 1, 1);

							GuiSelectableButton* button=new GuiSelectableButton(styleProvider->CreateDateButtonStyle());
							button->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
							button->SetGroupController(dayMutexController.Obj());
							button->SelectedChanged.AttachMethod(this, &StyleController::buttonDay_SelectedChanged);
							cell->AddChild(button->GetBoundsComposition());
							buttonDays[j*DaysOfWeek+i]=button;

							GuiSolidLabelElement* element=GuiSolidLabelElement::Create();
							element->SetAlignments(Alignment::Center, Alignment::Center);
							element->SetText(L"0");
							labelDays[j*DaysOfWeek+i]=element;

							GuiBoundsComposition* elementBounds=new GuiBoundsComposition;
							elementBounds->SetOwnedElement(element);
							elementBounds->SetAlignmentToParent(Margin(0, 0, 0, 0));
							elementBounds->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
							button->GetContainerComposition()->AddChild(elementBounds);
						}
					}
				}
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(styleProvider->GetBackgroundColor());
					dayTable->SetOwnedElement(element);
				}

				boundsComposition=dayTable;
			}

			GuiDatePicker::StyleController::~StyleController()
			{
				delete styleProvider;
			}

			compositions::GuiBoundsComposition* GuiDatePicker::StyleController::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* GuiDatePicker::StyleController::GetContainerComposition()
			{
				return boundsComposition;
			}

			void GuiDatePicker::StyleController::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void GuiDatePicker::StyleController::SetText(const WString& value)
			{
			}

			void GuiDatePicker::StyleController::SetFont(const FontProperties& value)
			{
				comboYear->SetFont(value);
				listYears->SetFont(value);
				comboMonth->SetFont(value);
				listMonths->SetFont(value);
				FOREACH(GuiSolidLabelElement*, label, From(labelDaysOfWeek).Concat(labelDays))
				{
					label->SetFont(value);
				}
			}

			void GuiDatePicker::StyleController::SetVisuallyEnabled(bool value)
			{
			}
					
			void GuiDatePicker::StyleController::SetDatePicker(GuiDatePicker* _datePicker)
			{
				datePicker=_datePicker;
			}

			void GuiDatePicker::StyleController::SetDateLocale(const Locale& _dateLocale)
			{
				dateLocale=_dateLocale;
				for(vint i=0;i<DaysOfWeek;i++)
				{
					labelDaysOfWeek[i]->SetText(dateLocale.GetShortDayOfWeekName(i));
				}
				
				listMonths->GetItems().Clear();
				for(vint i=1;i<=12;i++)
				{
					listMonths->GetItems().Add(new list::TextItem(dateLocale.GetLongMonthName(i)));
				}

				SetDate(currentDate, true);
			}

			const DateTime& GuiDatePicker::StyleController::GetDate()
			{
				return currentDate;
			}

			void GuiDatePicker::StyleController::SetDate(const DateTime& value, bool forceUpdate)
			{
				if(forceUpdate || currentDate.year!=value.year || currentDate.month!=value.month || currentDate.day!=value.day)
				{
					currentDate=value;
					DisplayMonth(value.year, value.month);
					SelectDay(value.day);
				}
			}

/***********************************************************************
GuiDatePicker
***********************************************************************/

			void GuiDatePicker::UpdateText()
			{
				GuiControl::SetText(dateLocale.FormatDate(dateFormat, styleController->GetDate()));
			}

			void GuiDatePicker::NotifyDateChanged()
			{
				UpdateText();
				DateChanged.Execute(GetNotifyEventArguments());
			}

			GuiDatePicker::GuiDatePicker(IStyleProvider* _styleProvider)
				:GuiControl(new StyleController(_styleProvider))
			{
				styleController=dynamic_cast<StyleController*>(GetStyleController());
				styleController->SetDatePicker(this);

				SetDateLocale(Locale::UserDefault());
				SetDate(DateTime::LocalTime());

				DateChanged.SetAssociatedComposition(GetBoundsComposition());
				DateNavigated.SetAssociatedComposition(GetBoundsComposition());
				DateSelected.SetAssociatedComposition(GetBoundsComposition());
				DateFormatChanged.SetAssociatedComposition(GetBoundsComposition());
				DateLocaleChanged.SetAssociatedComposition(GetBoundsComposition());

				NotifyDateChanged();
			}

			GuiDatePicker::~GuiDatePicker()
			{
			}

			const DateTime& GuiDatePicker::GetDate()
			{
				return styleController->GetDate();
			}

			void GuiDatePicker::SetDate(const DateTime& value)
			{
				styleController->SetDate(value);
			}

			const WString& GuiDatePicker::GetDateFormat()
			{
				return dateFormat;
			}

			void GuiDatePicker::SetDateFormat(const WString& value)
			{
				dateFormat=value;
				UpdateText();
				DateFormatChanged.Execute(GetNotifyEventArguments());
			}

			const Locale& GuiDatePicker::GetDateLocale()
			{
				return dateLocale;
			}

			void GuiDatePicker::SetDateLocale(const Locale& value)
			{
				dateLocale=value;
				List<WString> formats;
				dateLocale.GetLongDateFormats(formats);
				if(formats.Count()>0)
				{
					dateFormat=formats[0];
				}
				styleController->SetDateLocale(dateLocale);

				UpdateText();
				DateFormatChanged.Execute(GetNotifyEventArguments());
				DateLocaleChanged.Execute(GetNotifyEventArguments());
			}

			void GuiDatePicker::SetText(const WString& value)
			{
			}

/***********************************************************************
GuiDateComboBox
***********************************************************************/

			void GuiDateComboBox::UpdateText()
			{
				SetText(datePicker->GetDateLocale().FormatDate(datePicker->GetDateFormat(), selectedDate));
			}

			void GuiDateComboBox::NotifyUpdateSelectedDate()
			{
				UpdateText();
				SelectedDateChanged.Execute(GetNotifyEventArguments());
			}

			void GuiDateComboBox::OnSubMenuOpeningChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				datePicker->SetDate(selectedDate);
			}

			void GuiDateComboBox::datePicker_DateLocaleChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				UpdateText();
			}

			void GuiDateComboBox::datePicker_DateFormatChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				UpdateText();
			}

			void GuiDateComboBox::datePicker_DateSelected(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				selectedDate=datePicker->GetDate();
				GetSubMenu()->Hide();
				SelectItem();
				NotifyUpdateSelectedDate();
			}

			GuiDateComboBox::GuiDateComboBox(IStyleController* _styleController, GuiDatePicker* _datePicker)
				:GuiComboBoxBase(_styleController)
				,datePicker(_datePicker)
			{
				SelectedDateChanged.SetAssociatedComposition(GetBoundsComposition());

				datePicker->DateSelected.AttachMethod(this, &GuiDateComboBox::datePicker_DateSelected);
				datePicker->DateLocaleChanged.AttachMethod(this, &GuiDateComboBox::datePicker_DateLocaleChanged);
				datePicker->DateFormatChanged.AttachMethod(this, &GuiDateComboBox::datePicker_DateFormatChanged);
				datePicker->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
				GetSubMenu()->GetContainerComposition()->AddChild(datePicker->GetBoundsComposition());

				selectedDate=datePicker->GetDate();
				SubMenuOpeningChanged.AttachMethod(this, &GuiDateComboBox::OnSubMenuOpeningChanged);
				SetFont(GetFont());
				SetText(datePicker->GetText());
			}

			GuiDateComboBox::~GuiDateComboBox()
			{
			}

			void GuiDateComboBox::SetFont(const FontProperties& value)
			{
				GuiComboBoxBase::SetFont(value);
				datePicker->SetFont(value);
			}

			const DateTime& GuiDateComboBox::GetSelectedDate()
			{
				return selectedDate;
			}

			void GuiDateComboBox::SetSelectedDate(const DateTime& value)
			{
				selectedDate=value;
				NotifyUpdateSelectedDate();
			}

			GuiDatePicker* GuiDateComboBox::GetDatePicker()
			{
				return datePicker;
			}
		}
	}
}

/***********************************************************************
CONTROLS\GUIWINDOWCONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace elements;
			using namespace compositions;
			using namespace collections;

/***********************************************************************
GuiControlHost
***********************************************************************/

			void GuiControlHost::OnNativeWindowChanged()
			{
			}

			void GuiControlHost::OnVisualStatusChanged()
			{
			}

			GuiControl* GuiControlHost::GetTooltipOwner(Point location)
			{
				GuiGraphicsComposition* composition=this->GetBoundsComposition()->FindComposition(location);
				if(composition)
				{
					GuiControl* control=composition->GetRelatedControl();
					while(control)
					{
						if(control->GetTooltipControl())
						{
							return control;
						}
						control=control->GetParent();
					}
				}
				return 0;
			}

			void GuiControlHost::MoveIntoTooltipControl(GuiControl* tooltipControl, Point location)
			{
				if(tooltipLocation!=location)
				{
					tooltipLocation=location;
					{
						GuiControl* currentOwner=GetApplication()->GetTooltipOwner();
						if(currentOwner && currentOwner!=tooltipControl)
						{
							if(tooltipCloseDelay)
							{
								tooltipCloseDelay->Cancel();
								tooltipCloseDelay=0;
							}
							GetApplication()->DelayExecuteInMainThread([=]()
							{
								currentOwner->CloseTooltip();
							}, TooltipDelayCloseTime);
						}
					}
					if(!tooltipControl)
					{
						if(tooltipOpenDelay)
						{
							tooltipOpenDelay->Cancel();
							tooltipOpenDelay=0;
						}
					}
					else if(tooltipOpenDelay)
					{
						tooltipOpenDelay->Delay(TooltipDelayOpenTime);
					}
					else if(GetApplication()->GetTooltipOwner()!=tooltipControl)
					{
						tooltipOpenDelay=GetApplication()->DelayExecuteInMainThread([this]()
						{
							GuiControl* owner=GetTooltipOwner(tooltipLocation);
							if(owner)
							{
								Point offset=owner->GetBoundsComposition()->GetGlobalBounds().LeftTop();
								Point p(tooltipLocation.x-offset.x, tooltipLocation.y-offset.y+24);
								owner->DisplayTooltip(p);
								tooltipOpenDelay=0;

								/*
								When you use VS2010 to compiler this code,
								you will see there is an error here.
								This is due to VS2010's bug about processing [this] capture.
								I don't want to do workaround in my code, but I can tell you how to do that:

								Use a variable to save the value of "this", and capture [theThisValue, owner] instead of [this, owner].
								*/
								tooltipCloseDelay=GetApplication()->DelayExecuteInMainThread([this, owner]()
								{
									owner->CloseTooltip();
								}, TooltipDelayLifeTime);
							}
						}, TooltipDelayOpenTime);
					}
				}
			}

			void GuiControlHost::MouseMoving(const NativeWindowMouseInfo& info)
			{
				if(!info.left && !info.middle && !info.right)
				{
					GuiControl* tooltipControl=GetTooltipOwner(tooltipLocation);
					MoveIntoTooltipControl(tooltipControl, Point(info.x, info.y));
				}
			}

			void GuiControlHost::MouseLeaved()
			{
				MoveIntoTooltipControl(0, Point(-1, -1));
			}

			void GuiControlHost::Moved()
			{
				OnVisualStatusChanged();
			}

			void GuiControlHost::Enabled()
			{
				GuiControl::SetEnabled(true);
				OnVisualStatusChanged();
			}

			void GuiControlHost::Disabled()
			{
				GuiControl::SetEnabled(false);
				OnVisualStatusChanged();
			}

			void GuiControlHost::GotFocus()
			{
				WindowGotFocus.Execute(GetNotifyEventArguments());
				OnVisualStatusChanged();
			}

			void GuiControlHost::LostFocus()
			{
				WindowLostFocus.Execute(GetNotifyEventArguments());
				OnVisualStatusChanged();
			}

			void GuiControlHost::Activated()
			{
				WindowActivated.Execute(GetNotifyEventArguments());
				OnVisualStatusChanged();
			}

			void GuiControlHost::Deactivated()
			{
				WindowDeactivated.Execute(GetNotifyEventArguments());
				OnVisualStatusChanged();
			}

			void GuiControlHost::Opened()
			{
				WindowOpened.Execute(GetNotifyEventArguments());
			}

			void GuiControlHost::Closing(bool& cancel)
			{
				GuiRequestEventArgs arguments(GetStyleController()->GetBoundsComposition());
				arguments.cancel=cancel;
				WindowClosing.Execute(arguments);
				if(!arguments.handled)
				{
					cancel=arguments.cancel;
				}
			}

			void GuiControlHost::Closed()
			{
				WindowClosed.Execute(GetNotifyEventArguments());
			}

			void GuiControlHost::Destroying()
			{
				WindowDestroying.Execute(GetNotifyEventArguments());
				SetNativeWindow(0);
			}

			GuiControlHost::GuiControlHost(GuiControl::IStyleController* _styleController)
				:GuiControl(_styleController)
			{
				GetStyleController()->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
				
				WindowGotFocus.SetAssociatedComposition(GetStyleController()->GetBoundsComposition());
				WindowLostFocus.SetAssociatedComposition(GetStyleController()->GetBoundsComposition());
				WindowActivated.SetAssociatedComposition(GetStyleController()->GetBoundsComposition());
				WindowDeactivated.SetAssociatedComposition(GetStyleController()->GetBoundsComposition());
				WindowOpened.SetAssociatedComposition(GetStyleController()->GetBoundsComposition());
				WindowClosing.SetAssociatedComposition(GetStyleController()->GetBoundsComposition());
				WindowClosed.SetAssociatedComposition(GetStyleController()->GetBoundsComposition());
				WindowDestroying.SetAssociatedComposition(GetStyleController()->GetBoundsComposition());

				host=new GuiGraphicsHost;
				host->GetMainComposition()->AddChild(GetStyleController()->GetBoundsComposition());
				sharedPtrDestructorProc = 0;
			}

			GuiControlHost::~GuiControlHost()
			{
				OnBeforeReleaseGraphicsHost();
				FinalizeInstance();
				styleController=0;
				delete host;
			}

			compositions::GuiGraphicsHost* GuiControlHost::GetGraphicsHost()
			{
				return host;
			}

			compositions::GuiGraphicsComposition* GuiControlHost::GetMainComposition()
			{
				return host->GetMainComposition();
			}

			INativeWindow* GuiControlHost::GetNativeWindow()
			{
				return host->GetNativeWindow();
			}

			void GuiControlHost::SetNativeWindow(INativeWindow* window)
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->UninstallListener(this);
				}
				host->SetNativeWindow(window);
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->InstallListener(this);
				}
				OnNativeWindowChanged();
			}

			void GuiControlHost::ForceCalculateSizeImmediately()
			{
				boundsComposition->ForceCalculateSizeImmediately();
				SetBounds(GetBounds());
			}

			bool GuiControlHost::GetEnabled()
			{
				if(host->GetNativeWindow())
				{
					return host->GetNativeWindow()->IsEnabled();
				}
				else
				{
					return false;
				}
			}

			void GuiControlHost::SetEnabled(bool value)
			{
				if(host->GetNativeWindow())
				{
					if(value)
					{
						host->GetNativeWindow()->Enable();
					}
					else
					{
						host->GetNativeWindow()->Disable();
					}
				}
			}

			bool GuiControlHost::GetFocused()
			{
				if(host->GetNativeWindow())
				{
					return host->GetNativeWindow()->IsFocused();
				}
				else
				{
					return false;
				}
			}

			void GuiControlHost::SetFocused()
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->SetFocus();
				}
			}

			bool GuiControlHost::GetActivated()
			{
				if(host->GetNativeWindow())
				{
					return host->GetNativeWindow()->IsActivated();
				}
				else
				{
					return false;
				}
			}

			void GuiControlHost::SetActivated()
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->SetActivate();
				}
			}

			bool GuiControlHost::GetShowInTaskBar()
			{
				if(host->GetNativeWindow())
				{
					return host->GetNativeWindow()->IsAppearedInTaskBar();
				}
				else
				{
					return false;
				}
			}

			void GuiControlHost::SetShowInTaskBar(bool value)
			{
				if(host->GetNativeWindow())
				{
					if(value)
					{
						host->GetNativeWindow()->ShowInTaskBar();
					}
					else
					{
						host->GetNativeWindow()->HideInTaskBar();
					}
				}
			}

			bool GuiControlHost::GetEnabledActivate()
			{
				if(host->GetNativeWindow())
				{
					return host->GetNativeWindow()->IsEnabledActivate();
				}
				else
				{
					return false;
				}
			}

			void GuiControlHost::SetEnabledActivate(bool value)
			{
				if(host->GetNativeWindow())
				{
					if(value)
					{
						host->GetNativeWindow()->EnableActivate();
					}
					else
					{
						host->GetNativeWindow()->DisableActivate();
					}
				}
			}

			bool GuiControlHost::GetTopMost()
			{
				if(host->GetNativeWindow())
				{
					return host->GetNativeWindow()->GetTopMost();
				}
				else
				{
					return false;
				}
			}

			void GuiControlHost::SetTopMost(bool topmost)
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->SetTopMost(topmost);
				}
			}

			compositions::IGuiShortcutKeyManager* GuiControlHost::GetShortcutKeyManager()
			{
				return host->GetShortcutKeyManager();
			}

			void GuiControlHost::SetShortcutKeyManager(compositions::IGuiShortcutKeyManager* value)
			{
				host->SetShortcutKeyManager(value);
			}

			compositions::GuiGraphicsAnimationManager* GuiControlHost::GetAnimationManager()
			{
				return host->GetAnimationManager();
			}

			Size GuiControlHost::GetClientSize()
			{
				if(host->GetNativeWindow())
				{
					return host->GetNativeWindow()->GetClientSize();
				}
				else
				{
					return Size(0, 0);
				}
			}

			void GuiControlHost::SetClientSize(Size value)
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->SetClientSize(value);
				}
			}

			Rect GuiControlHost::GetBounds()
			{
				if(host->GetNativeWindow())
				{
					return host->GetNativeWindow()->GetBounds();
				}
				else
				{
					return Rect();
				}
			}

			void GuiControlHost::SetBounds(Rect value)
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->SetBounds(value);
				}
			}

			GuiControlHost* GuiControlHost::GetRelatedControlHost()
			{
				return this;
			}

			const WString& GuiControlHost::GetText()
			{
				WString result;
				if(host->GetNativeWindow())
				{
					result=host->GetNativeWindow()->GetTitle();
				}
				if(result!=GuiControl::GetText())
				{
					GuiControl::SetText(result);
				}
				return GuiControl::GetText();
			}

			void GuiControlHost::SetText(const WString& value)
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->SetTitle(value);
					GuiControl::SetText(value);
				}
			}

			INativeScreen* GuiControlHost::GetRelatedScreen()
			{
				if(host->GetNativeWindow())
				{
					return GetCurrentController()->ScreenService()->GetScreen(host->GetNativeWindow());
				}
				else
				{
					return 0;
				}
			}

			void GuiControlHost::Show()
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->Show();
				}
			}

			void GuiControlHost::ShowDeactivated()
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->ShowDeactivated();
				}
			}

			void GuiControlHost::ShowRestored()
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->ShowRestored();
				}
			}

			void GuiControlHost::ShowMaximized()
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->ShowMaximized();
				}
			}

			void GuiControlHost::ShowMinimized()
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->ShowMinimized();
				}
			}

			void GuiControlHost::Hide()
			{
				if(host->GetNativeWindow())
				{
					host->GetNativeWindow()->Hide();
				}
			}

			void GuiControlHost::Close()
			{
				INativeWindow* window=host->GetNativeWindow();
				if(window)
				{
					if(GetCurrentController()->WindowService()->GetMainWindow()!=window)
					{
						window->Hide();
					}
					else
					{
						SetNativeWindow(0);
						GetCurrentController()->WindowService()->DestroyNativeWindow(window);
					}
				}
			}

			bool GuiControlHost::GetOpening()
			{
				INativeWindow* window=host->GetNativeWindow();
				if(window)
				{
					return window->IsVisible();
				}
				return false;
			}

/***********************************************************************
GuiWindow::DefaultBehaviorStyleController
***********************************************************************/

			GuiWindow::DefaultBehaviorStyleController::DefaultBehaviorStyleController()
				:window(0)
			{
			}

			GuiWindow::DefaultBehaviorStyleController::~DefaultBehaviorStyleController()
			{
			}

			void GuiWindow::DefaultBehaviorStyleController::AttachWindow(GuiWindow* _window)
			{
				window=_window;
			}

			void GuiWindow::DefaultBehaviorStyleController::InitializeNativeWindowProperties()
			{
			}

			void GuiWindow::DefaultBehaviorStyleController::SetSizeState(INativeWindow::WindowSizeState value)
			{
			}

			bool GuiWindow::DefaultBehaviorStyleController::GetMaximizedBox()
			{
				if(window->GetNativeWindow())
				{
					return window->GetNativeWindow()->GetMaximizedBox();
				}
				else
				{
					return false;
				}
			}

			void GuiWindow::DefaultBehaviorStyleController::SetMaximizedBox(bool visible)
			{
				if(window->GetNativeWindow())
				{
					window->GetNativeWindow()->SetMaximizedBox(visible);
				}
			}

			bool GuiWindow::DefaultBehaviorStyleController::GetMinimizedBox()
			{
				if(window->GetNativeWindow())
				{
					return window->GetNativeWindow()->GetMinimizedBox();
				}
				else
				{
					return false;
				}
			}

			void GuiWindow::DefaultBehaviorStyleController::SetMinimizedBox(bool visible)
			{
				if(window->GetNativeWindow())
				{
					window->GetNativeWindow()->SetMinimizedBox(visible);
				}
			}

			bool GuiWindow::DefaultBehaviorStyleController::GetBorder()
			{
				if(window->GetNativeWindow())
				{
					return window->GetNativeWindow()->GetBorder();
				}
				else
				{
					return false;
				}
			}

			void GuiWindow::DefaultBehaviorStyleController::SetBorder(bool visible)
			{
				if(window->GetNativeWindow())
				{
					window->GetNativeWindow()->SetBorder(visible);
				}
			}

			bool GuiWindow::DefaultBehaviorStyleController::GetSizeBox()
			{
				if(window->GetNativeWindow())
				{
					return window->GetNativeWindow()->GetSizeBox();
				}
				else
				{
					return false;
				}
			}

			void GuiWindow::DefaultBehaviorStyleController::SetSizeBox(bool visible)
			{
				if(window->GetNativeWindow())
				{
					window->GetNativeWindow()->SetSizeBox(visible);
				}
			}

			bool GuiWindow::DefaultBehaviorStyleController::GetIconVisible()
			{
				if(window->GetNativeWindow())
				{
					return window->GetNativeWindow()->GetIconVisible();
				}
				else
				{
					return false;
				}
			}

			void GuiWindow::DefaultBehaviorStyleController::SetIconVisible(bool visible)
			{
				if(window->GetNativeWindow())
				{
					window->GetNativeWindow()->SetIconVisible(visible);
				}
			}

			bool GuiWindow::DefaultBehaviorStyleController::GetTitleBar()
			{
				if(window->GetNativeWindow())
				{
					return window->GetNativeWindow()->GetTitleBar();
				}
				else
				{
					return false;
				}
			}

			void GuiWindow::DefaultBehaviorStyleController::SetTitleBar(bool visible)
			{
				if(window->GetNativeWindow())
				{
					window->GetNativeWindow()->SetTitleBar(visible);
				}
			}

			GuiWindow::IStyleController* GuiWindow::DefaultBehaviorStyleController::CreateTooltipStyle()
			{
				return 0;
			}

			GuiLabel::IStyleController* GuiWindow::DefaultBehaviorStyleController::CreateShortcutKeyStyle()
			{
				return 0;
			}

/***********************************************************************
GuiWindow
***********************************************************************/

			void GuiWindow::Moved()
			{
				GuiControlHost::Moved();
				styleController->SetSizeState(GetNativeWindow()->GetSizeState());
			}

			void GuiWindow::OnNativeWindowChanged()
			{
				styleController->InitializeNativeWindowProperties();
				GuiControlHost::OnNativeWindowChanged();
			}

			void GuiWindow::OnVisualStatusChanged()
			{
				GuiControlHost::OnVisualStatusChanged();
			}

			void GuiWindow::MouseClickedOnOtherWindow(GuiWindow* window)
			{
			}

			compositions::GuiGraphicsComposition* GuiWindow::GetAltComposition()
			{
				return boundsComposition;
			}

			compositions::IGuiAltActionHost* GuiWindow::GetPreviousAltHost()
			{
				return previousAltHost;
			}

			void GuiWindow::OnActivatedAltHost(IGuiAltActionHost* previousHost)
			{
				previousAltHost = previousHost;
			}

			void GuiWindow::OnDeactivatedAltHost()
			{
				previousAltHost = 0;
			}

			void GuiWindow::CollectAltActions(collections::Group<WString, IGuiAltAction*>& actions)
			{
				IGuiAltActionHost::CollectAltActionsFromControl(this, actions);
			}

			GuiWindow::GuiWindow(IStyleController* _styleController)
				:GuiControlHost(_styleController)
				,styleController(_styleController)
				,previousAltHost(0)
			{
				INativeWindow* window=GetCurrentController()->WindowService()->CreateNativeWindow();
				styleController->AttachWindow(this);
				SetNativeWindow(window);
				GetApplication()->RegisterWindow(this);
				ClipboardUpdated.SetAssociatedComposition(GetBoundsComposition());
			}

			GuiWindow::~GuiWindow()
			{
				FinalizeAggregation();
				GetApplication()->UnregisterWindow(this);
				INativeWindow* window=host->GetNativeWindow();
				if(window)
				{
					SetNativeWindow(0);
					GetCurrentController()->WindowService()->DestroyNativeWindow(window);
				}
			}

			IDescriptable* GuiWindow::QueryService(const WString& identifier)
			{
				if (identifier == IGuiAltActionHost::Identifier)
				{
					return (IGuiAltActionHost*)this;
				}
				else
				{
					return GuiControlHost::QueryService(identifier);
				}
			}

			void GuiWindow::MoveToScreenCenter()
			{
				INativeScreen* screen=GetRelatedScreen();
				if(screen)
				{
					Rect screenBounds=screen->GetClientBounds();
					Rect windowBounds=GetBounds();
					SetBounds(
						Rect(
							Point(
								screenBounds.Left()+(screenBounds.Width()-windowBounds.Width())/2,
								screenBounds.Top()+(screenBounds.Height()-windowBounds.Height())/2
								),
							windowBounds.GetSize()
							)
						);
				}
			}

			bool GuiWindow::GetMaximizedBox()
			{
				return styleController->GetMaximizedBox();
			}

			void GuiWindow::SetMaximizedBox(bool visible)
			{
				styleController->SetMaximizedBox(visible);
			}

			bool GuiWindow::GetMinimizedBox()
			{
				return styleController->GetMinimizedBox();
			}

			void GuiWindow::SetMinimizedBox(bool visible)
			{
				styleController->SetMinimizedBox(visible);
			}

			bool GuiWindow::GetBorder()
			{
				return styleController->GetBorder();
			}

			void GuiWindow::SetBorder(bool visible)
			{
				styleController->SetBorder(visible);
			}

			bool GuiWindow::GetSizeBox()
			{
				return styleController->GetSizeBox();
			}

			void GuiWindow::SetSizeBox(bool visible)
			{
				styleController->SetSizeBox(visible);
			}

			bool GuiWindow::GetIconVisible()
			{
				return styleController->GetIconVisible();
			}

			void GuiWindow::SetIconVisible(bool visible)
			{
				styleController->SetIconVisible(visible);
			}

			bool GuiWindow::GetTitleBar()
			{
				return styleController->GetTitleBar();
			}

			void GuiWindow::SetTitleBar(bool visible)
			{
				styleController->SetTitleBar(visible);
			}

			void GuiWindow::ShowModal(GuiWindow* owner, const Func<void()>& callback)
			{
				owner->SetEnabled(false);
				GetNativeWindow()->SetParent(owner->GetNativeWindow());
				auto container = CreateEventHandlerContainer<GuiEventArgs>();
				container->handler = WindowClosed.AttachLambda([=](GuiGraphicsComposition* sender, GuiEventArgs& arguments)
				{
					GetApplication()->InvokeInMainThread([=]()
					{
						WindowClosed.Detach(container->handler);
						GetNativeWindow()->SetParent(0);
						callback();
						owner->SetEnabled(true);
						owner->SetActivated();
					});
				});
				Show();
			}

			void GuiWindow::ShowModalAndDelete(GuiWindow* owner, const Func<void()>& callback)
			{
				owner->SetEnabled(false);
				GetNativeWindow()->SetParent(owner->GetNativeWindow());
				WindowClosed.AttachLambda([=](GuiGraphicsComposition* sender, GuiEventArgs& arguments)
				{
					GetApplication()->InvokeInMainThread([=]()
					{
						GetNativeWindow()->SetParent(0);
						callback();
						owner->SetEnabled(true);
						owner->SetActivated();
						delete this;
					});
				});
				Show();
			}

/***********************************************************************
GuiPopup
***********************************************************************/

			void GuiPopup::MouseClickedOnOtherWindow(GuiWindow* window)
			{
				Hide();
			}

			void GuiPopup::PopupOpened(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				GetApplication()->RegisterPopupOpened(this);
			}

			void GuiPopup::PopupClosed(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				GetApplication()->RegisterPopupClosed(this);
				INativeWindow* window=GetNativeWindow();
				if(window)
				{
					window->SetParent(0);
				}
			}

			GuiPopup::GuiPopup(IStyleController* _styleController)
				:GuiWindow(_styleController)
			{
				SetMinimizedBox(false);
				SetMaximizedBox(false);
				SetSizeBox(false);
				SetTitleBar(false);
				SetShowInTaskBar(false);
				GetBoundsComposition()->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);

				WindowOpened.AttachMethod(this, &GuiPopup::PopupOpened);
				WindowClosed.AttachMethod(this, &GuiPopup::PopupClosed);
			}

			GuiPopup::~GuiPopup()
			{
				GetApplication()->RegisterPopupClosed(this);
			}

			bool GuiPopup::IsClippedByScreen(Point location)
			{
				SetBounds(Rect(location, GetBounds().GetSize()));
				INativeWindow* window=GetNativeWindow();
				if(window)
				{
					INativeScreen* screen=GetCurrentController()->ScreenService()->GetScreen(window);
					if(screen)
					{
						Rect screenBounds=screen->GetClientBounds();
						Rect windowBounds=window->GetBounds();
						return !screenBounds.Contains(windowBounds.LeftTop()) || !screenBounds.Contains(windowBounds.RightBottom());
					}
				}
				return true;
			}

			void GuiPopup::ShowPopup(Point location, INativeScreen* screen)
			{
				INativeWindow* window=GetNativeWindow();
				if(window)
				{
					if (!screen)
					{
						SetBounds(Rect(location, GetBounds().GetSize()));
						screen = GetCurrentController()->ScreenService()->GetScreen(window);
					}

					if(screen)
					{
						Rect screenBounds=screen->GetClientBounds();
						Size size=window->GetBounds().GetSize();

						if(location.x<screenBounds.x1)
						{
							location.x=screenBounds.x1;
						}
						else if(location.x+size.x>screenBounds.x2)
						{
							location.x=screenBounds.x2-size.x;
						}

						if(location.y<screenBounds.y1)
						{
							location.y=screenBounds.y1;
						}
						else if(location.y+size.y>screenBounds.y2)
						{
							location.y=screenBounds.y2-size.y;
						}
					}
					SetBounds(Rect(location, GetBounds().GetSize()));
					bool value=GetNativeWindow()->IsEnabledActivate();
					ShowDeactivated();
				}
			}
			
			void GuiPopup::ShowPopup(GuiControl* control, Rect bounds, bool preferredTopBottomSide)
			{
				INativeWindow* window=GetNativeWindow();
				if(window)
				{
					Point locations[4];
					Size size=window->GetBounds().GetSize();

					GuiControlHost* controlHost=control->GetBoundsComposition()->GetRelatedControlHost();
					if(controlHost)
					{
						INativeWindow* controlWindow=controlHost->GetNativeWindow();
						if(controlWindow)
						{
							Point controlClientOffset=control->GetBoundsComposition()->GetGlobalBounds().LeftTop();
							Point controlWindowOffset=controlWindow->GetClientBoundsInScreen().LeftTop();
							bounds.x1+=controlClientOffset.x+controlWindowOffset.x;
							bounds.x2+=controlClientOffset.x+controlWindowOffset.x;
							bounds.y1+=controlClientOffset.y+controlWindowOffset.y;
							bounds.y2+=controlClientOffset.y+controlWindowOffset.y;

							if(preferredTopBottomSide)
							{
								locations[0]=Point(bounds.x1, bounds.y2);
								locations[1]=Point(bounds.x2-size.x, bounds.y2);
								locations[2]=Point(bounds.x1, bounds.y1-size.y);
								locations[3]=Point(bounds.x2-size.x, bounds.y1-size.y);
							}
							else
							{
								locations[0]=Point(bounds.x2, bounds.y1);
								locations[1]=Point(bounds.x2, bounds.y2-size.y);
								locations[2]=Point(bounds.x1-size.x, bounds.y1);
								locations[3]=Point(bounds.x1-size.x, bounds.y2-size.y);
							}

							window->SetParent(controlWindow);
							for(vint i=0;i<4;i++)
							{
								if(!IsClippedByScreen(locations[i]))
								{
									ShowPopup(locations[i]);
									return;
								}
							}
							ShowPopup(locations[0], GetCurrentController()->ScreenService()->GetScreen(controlWindow));
						}
					}
				}
			}

			void GuiPopup::ShowPopup(GuiControl* control, Point location)
			{
				INativeWindow* window=GetNativeWindow();
				if(window)
				{
					Point locations[4];
					Size size=window->GetBounds().GetSize();
					Rect controlBounds=control->GetBoundsComposition()->GetGlobalBounds();

					GuiControlHost* controlHost=control->GetBoundsComposition()->GetRelatedControlHost();
					if(controlHost)
					{
						INativeWindow* controlWindow=controlHost->GetNativeWindow();
						if(controlWindow)
						{
							Point controlClientOffset=controlWindow->GetClientBoundsInScreen().LeftTop();
							vint x=controlBounds.x1+controlClientOffset.x+location.x;
							vint y=controlBounds.y1+controlClientOffset.y+location.y;
							window->SetParent(controlWindow);
							ShowPopup(Point(x, y), GetCurrentController()->ScreenService()->GetScreen(controlWindow));
						}
					}
				}
			}

			void GuiPopup::ShowPopup(GuiControl* control, bool preferredTopBottomSide)
			{
				INativeWindow* window=GetNativeWindow();
				if(window)
				{
					Rect bounds(Point(0, 0), control->GetBoundsComposition()->GetBounds().GetSize());
					ShowPopup(control, bounds, preferredTopBottomSide);
				}
			}

/***********************************************************************
GuiPopup
***********************************************************************/

			void GuiTooltip::GlobalTimer()
			{
				SetClientSize(GetClientSize());
			}

			void GuiTooltip::TooltipOpened(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
			}

			void GuiTooltip::TooltipClosed(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				SetTemporaryContentControl(0);
			}

			GuiTooltip::GuiTooltip(IStyleController* _styleController)
				:GuiPopup(_styleController)
				,temporaryContentControl(0)
			{
				GetContainerComposition()->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				GetContainerComposition()->SetPreferredMinSize(Size(20, 10));
				GetCurrentController()->CallbackService()->InstallListener(this);

				WindowOpened.AttachMethod(this, &GuiTooltip::TooltipOpened);
				WindowClosed.AttachMethod(this, &GuiTooltip::TooltipClosed);
			}

			GuiTooltip::~GuiTooltip()
			{
				GetCurrentController()->CallbackService()->UninstallListener(this);
			}

			vint GuiTooltip::GetPreferredContentWidth()
			{
				return GetContainerComposition()->GetPreferredMinSize().x;
			}

			void GuiTooltip::SetPreferredContentWidth(vint value)
			{
				GetContainerComposition()->SetPreferredMinSize(Size(value, 10));
			}

			GuiControl* GuiTooltip::GetTemporaryContentControl()
			{
				return temporaryContentControl;
			}

			void GuiTooltip::SetTemporaryContentControl(GuiControl* control)
			{
				if(temporaryContentControl && HasChild(temporaryContentControl))
				{
					GetContainerComposition()->RemoveChild(temporaryContentControl->GetBoundsComposition());
					temporaryContentControl=0;
				}
				temporaryContentControl=control;
				if(control)
				{
					control->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
					AddChild(control);
				}
			}
		}
	}
}

/***********************************************************************
CONTROLS\LISTCONTROLPACKAGE\GUIBINDABLELISTCONTROL.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace collections;
			using namespace list;
			using namespace tree;
			using namespace reflection::description;
			using namespace templates;

			Value ReadProperty(const Value& thisObject, const WString& propertyName)
			{
				if (!thisObject.IsNull() && propertyName != L"")
				{
					auto td = thisObject.GetTypeDescriptor();
					auto info = td->GetPropertyByName(propertyName, true);
					if (info && info->IsReadable())
					{
						return info->GetValue(thisObject);
					}
					else
					{
						return Value();
					}
				}
				return thisObject;
			}

			void WriteProperty(Value& thisObject, const WString& propertyName, const Value& newValue)
			{
				if (!thisObject.IsNull() && propertyName != L"")
				{
					auto td = thisObject.GetTypeDescriptor();
					auto info = td->GetPropertyByName(propertyName, true);
					if (info && info->IsWritable())
					{
						info->SetValue(thisObject, newValue);
					}
				}
			}

			WString GetValueText(Value& value)
			{
				if (auto td = value.GetTypeDescriptor())
				{
					if (auto st = td->GetSerializableType())
					{
						WString result;
						st->Serialize(value, result);
						return result;
					}
					return L"<" + td->GetTypeName() + L">";
				}
				return L"";
			}

/***********************************************************************
GuiBindableTextList::ItemSource
***********************************************************************/

			GuiBindableTextList::ItemSource::ItemSource()
			{
			}

			GuiBindableTextList::ItemSource::~ItemSource()
			{
				SetItemSource(nullptr);
			}

			Ptr<description::IValueEnumerable> GuiBindableTextList::ItemSource::GetItemSource()
			{
				return itemSource;
			}

			void GuiBindableTextList::ItemSource::SetItemSource(Ptr<description::IValueEnumerable> _itemSource)
			{
				vint oldCount = 0;
				if (itemSource)
				{
					oldCount = itemSource->GetCount();
				}
				if (itemChangedEventHandler)
				{
					auto ol = itemSource.Cast<IValueObservableList>();
					ol->ItemChanged.Remove(itemChangedEventHandler);
				}

				itemSource = nullptr;
				itemChangedEventHandler = nullptr;

				if (_itemSource)
				{
					if (auto ol = _itemSource.Cast<IValueObservableList>())
					{
						itemSource = ol;
						itemChangedEventHandler = ol->ItemChanged.Add([this](vint start, vint oldCount, vint newCount)
						{
							InvokeOnItemModified(start, oldCount, newCount);
						});
					}
					else if (auto rl = _itemSource.Cast<IValueReadonlyList>())
					{
						itemSource = rl;
					}
					else
					{
						itemSource = IValueList::Create(GetLazyList<Value>(_itemSource));
					}
				}

				InvokeOnItemModified(0, oldCount, itemSource ? itemSource->GetCount() : 0);
			}

			description::Value GuiBindableTextList::ItemSource::Get(vint index)
			{
				if (!itemSource) return Value();
				return itemSource->Get(index);
			}

			void GuiBindableTextList::ItemSource::UpdateBindingProperties()
			{
				InvokeOnItemModified(0, Count(), Count());
			}
					
			// ===================== GuiListControl::IItemProvider =====================
			
			vint GuiBindableTextList::ItemSource::Count()
			{
				if (!itemSource) return 0;
				return itemSource->GetCount();
			}
			
			IDescriptable* GuiBindableTextList::ItemSource::RequestView(const WString& identifier)
			{
				if (identifier == GuiListControl::IItemBindingView::Identifier)
				{
					return (GuiListControl::IItemBindingView*)this;
				}
				else if (identifier == GuiListControl::IItemPrimaryTextView::Identifier)
				{
					return (GuiListControl::IItemPrimaryTextView*)this;
				}
				else if (identifier == TextItemStyleProvider::ITextItemView::Identifier)
				{
					return (TextItemStyleProvider::ITextItemView*)this;
				}
				else
				{
					return 0;
				}
			}
			
			void GuiBindableTextList::ItemSource::ReleaseView(IDescriptable* view)
			{
			}
					
			// ===================== GuiListControl::IItemBindingView =====================

			description::Value GuiBindableTextList::ItemSource::GetBindingValue(vint itemIndex)
			{
				if (itemSource)
				{
					if (0 <= itemIndex && itemIndex < itemSource->GetCount())
					{
						return itemSource->Get(itemIndex);
					}
				}
				return Value();
			}
					
			// ===================== GuiListControl::IItemPrimaryTextView =====================

			WString GuiBindableTextList::ItemSource::GetPrimaryTextViewText(vint itemIndex)
			{
				return GetText(itemIndex);
			}
			
			bool GuiBindableTextList::ItemSource::ContainsPrimaryText(vint itemIndex)
			{
				if (!itemSource) return false;
				return 0 <= itemIndex && itemIndex < itemSource->GetCount();
			}
					
			// ===================== list::TextItemStyleProvider::ITextItemView =====================

			WString GuiBindableTextList::ItemSource::GetText(vint itemIndex)
			{
				if (itemSource)
				{
					if (0 <= itemIndex && itemIndex < itemSource->GetCount())
					{
						return GetValueText(ReadProperty(itemSource->Get(itemIndex), textProperty));
					}
				}
				return L"";
			}
			
			bool GuiBindableTextList::ItemSource::GetChecked(vint itemIndex)
			{
				if (itemSource)
				{
					if (0 <= itemIndex && itemIndex < itemSource->GetCount())
					{
						auto value = ReadProperty(itemSource->Get(itemIndex), checkedProperty);
						if (value.GetTypeDescriptor() == description::GetTypeDescriptor<bool>())
						{
							return UnboxValue<bool>(value);
						}
					}
				}
				return false;
			}
			
			void GuiBindableTextList::ItemSource::SetCheckedSilently(vint itemIndex, bool value)
			{
				if (itemSource)
				{
					if (0 <= itemIndex && itemIndex < itemSource->GetCount())
					{
						auto thisValue = itemSource->Get(itemIndex);
						WriteProperty(thisValue, checkedProperty, BoxValue(value));
					}
				}
			}

/***********************************************************************
GuiBindableTextList
***********************************************************************/

			GuiBindableTextList::GuiBindableTextList(IStyleProvider* _styleProvider, list::TextItemStyleProvider::IBulletFactory* _bulletFactory)
				:GuiVirtualTextList(_styleProvider, _bulletFactory, new ItemSource)
			{
				itemSource = dynamic_cast<ItemSource*>(GetItemProvider());

				TextPropertyChanged.SetAssociatedComposition(boundsComposition);
				TextPropertyChanged.SetAssociatedComposition(boundsComposition);
			}

			GuiBindableTextList::~GuiBindableTextList()
			{
			}

			Ptr<description::IValueEnumerable> GuiBindableTextList::GetItemSource()
			{
				return itemSource->GetItemSource();
			}

			void GuiBindableTextList::SetItemSource(Ptr<description::IValueEnumerable> _itemSource)
			{
				itemSource->SetItemSource(_itemSource);
			}

			const WString& GuiBindableTextList::GetTextProperty()
			{
				return itemSource->textProperty;
			}

			void GuiBindableTextList::SetTextProperty(const WString& value)
			{
				if (itemSource->textProperty != value)
				{
					itemSource->textProperty = value;
					itemSource->UpdateBindingProperties();
					TextPropertyChanged.Execute(GetNotifyEventArguments());
				}
			}

			const WString& GuiBindableTextList::GetCheckedProperty()
			{
				return itemSource->checkedProperty;
			}

			void GuiBindableTextList::SetCheckedProperty(const WString& value)
			{
				if (itemSource->checkedProperty != value)
				{
					itemSource->checkedProperty = value;
					itemSource->UpdateBindingProperties();
					CheckedPropertyChanged.Execute(GetNotifyEventArguments());
				}
			}

			description::Value GuiBindableTextList::GetSelectedItem()
			{
				vint index = GetSelectedItemIndex();
				if (index == -1) return Value();
				return itemSource->Get(index);
			}

/***********************************************************************
GuiBindableListView::ItemSource
***********************************************************************/

			GuiBindableListView::ItemSource::ItemSource()
				:columns(this)
				, dataColumns(this)
			{
			}

			GuiBindableListView::ItemSource::~ItemSource()
			{
				SetItemSource(nullptr);
			}

			Ptr<description::IValueEnumerable> GuiBindableListView::ItemSource::GetItemSource()
			{
				return itemSource;
			}

			void GuiBindableListView::ItemSource::SetItemSource(Ptr<description::IValueEnumerable> _itemSource)
			{
				vint oldCount = 0;
				if (itemSource)
				{
					oldCount = itemSource->GetCount();
				}
				if (itemChangedEventHandler)
				{
					auto ol = itemSource.Cast<IValueObservableList>();
					ol->ItemChanged.Remove(itemChangedEventHandler);
				}

				itemSource = nullptr;
				itemChangedEventHandler = nullptr;

				if (_itemSource)
				{
					if (auto ol = _itemSource.Cast<IValueObservableList>())
					{
						itemSource = ol;
						itemChangedEventHandler = ol->ItemChanged.Add([this](vint start, vint oldCount, vint newCount)
						{
							InvokeOnItemModified(start, oldCount, newCount);
						});
					}
					else if (auto rl = _itemSource.Cast<IValueReadonlyList>())
					{
						itemSource = rl;
					}
					else
					{
						itemSource = IValueList::Create(GetLazyList<Value>(_itemSource));
					}
				}

				InvokeOnItemModified(0, oldCount, itemSource ? itemSource->GetCount() : 0);
			}

			description::Value GuiBindableListView::ItemSource::Get(vint index)
			{
				if (!itemSource) return Value();
				return itemSource->Get(index);
			}

			void GuiBindableListView::ItemSource::UpdateBindingProperties()
			{
				InvokeOnItemModified(0, Count(), Count());
			}

			bool GuiBindableListView::ItemSource::NotifyUpdate(vint start, vint count)
			{
				if (!itemSource) return false;
				if (start<0 || start >= itemSource->GetCount() || count <= 0 || start + count > itemSource->GetCount())
				{
					return false;
				}
				else
				{
					InvokeOnItemModified(start, count, count);
					return true;
				}
			}

			list::ListViewDataColumns& GuiBindableListView::ItemSource::GetDataColumns()
			{
				return dataColumns;
			}

			list::ListViewColumns& GuiBindableListView::ItemSource::GetColumns()
			{
				return columns;
			}
					
			// ===================== list::IListViewItemProvider =====================

			void GuiBindableListView::ItemSource::NotifyAllItemsUpdate()
			{
				NotifyUpdate(0, Count());
			}

			void GuiBindableListView::ItemSource::NotifyAllColumnsUpdate()
			{
				for (vint i = 0; i < columnItemViewCallbacks.Count(); i++)
				{
					columnItemViewCallbacks[i]->OnColumnChanged();
				}
			}

			// ===================== GuiListControl::IItemProvider =====================

			vint GuiBindableListView::ItemSource::Count()
			{
				if (!itemSource) return 0;
				return itemSource->GetCount();
			}

			IDescriptable* GuiBindableListView::ItemSource::RequestView(const WString& identifier)
			{
				if (identifier == GuiListControl::IItemBindingView::Identifier)
				{
					return (GuiListControl::IItemBindingView*)this;
				}
				else if(identifier==ListViewItemStyleProvider::IListViewItemView::Identifier)
				{
					return (ListViewItemStyleProvider::IListViewItemView*)this;
				}
				else if(identifier==ListViewColumnItemArranger::IColumnItemView::Identifier)
				{
					return (ListViewColumnItemArranger::IColumnItemView*)this;
				}
				else if(identifier==GuiListControl::IItemPrimaryTextView::Identifier)
				{
					return (GuiListControl::IItemPrimaryTextView*)this;
				}
				else
				{
					return 0;
				}
			}

			void GuiBindableListView::ItemSource::ReleaseView(IDescriptable* view)
			{
			}
					
			// ===================== GuiListControl::IItemBindingView =====================

			description::Value GuiBindableListView::ItemSource::GetBindingValue(vint itemIndex)
			{
				if (itemSource)
				{
					if (0 <= itemIndex && itemIndex < itemSource->GetCount())
					{
						return itemSource->Get(itemIndex);
					}
				}
				return Value();
			}

			// ===================== GuiListControl::IItemPrimaryTextView =====================

			WString GuiBindableListView::ItemSource::GetPrimaryTextViewText(vint itemIndex)
			{
				return GetText(itemIndex);
			}

			bool GuiBindableListView::ItemSource::ContainsPrimaryText(vint itemIndex)
			{
				return true;
			}

			// ===================== list::ListViewItemStyleProvider::IListViewItemView =====================

			Ptr<GuiImageData> GuiBindableListView::ItemSource::GetSmallImage(vint itemIndex)
			{
				if (itemSource)
				{
					if (0 <= itemIndex && itemIndex < itemSource->GetCount())
					{
						auto value = ReadProperty(itemSource->Get(itemIndex), smallImageProperty);
						return value.GetSharedPtr().Cast<GuiImageData>();
					}
				}
				return nullptr;
			}

			Ptr<GuiImageData> GuiBindableListView::ItemSource::GetLargeImage(vint itemIndex)
			{
				if (itemSource)
				{
					if (0 <= itemIndex && itemIndex < itemSource->GetCount())
					{
						auto value = ReadProperty(itemSource->Get(itemIndex), largeImageProperty);
						return value.GetSharedPtr().Cast<GuiImageData>();
					}
				}
				return nullptr;
			}

			WString GuiBindableListView::ItemSource::GetText(vint itemIndex)
			{
				if (itemSource)
				{
					if (0 <= itemIndex && itemIndex < itemSource->GetCount() && columns.Count()>0)
					{
						return GetValueText(ReadProperty(itemSource->Get(itemIndex), columns[0]->GetTextProperty()));
					}
				}
				return L"";
			}

			WString GuiBindableListView::ItemSource::GetSubItem(vint itemIndex, vint index)
			{
				if (itemSource)
				{
					if (0 <= itemIndex && itemIndex < itemSource->GetCount() && 0 <= index && index < columns.Count() - 1)
					{
						return GetValueText(ReadProperty(itemSource->Get(itemIndex), columns[index + 1]->GetTextProperty()));
					}
				}
				return L"";
			}

			vint GuiBindableListView::ItemSource::GetDataColumnCount()
			{
				return dataColumns.Count();
			}

			vint GuiBindableListView::ItemSource::GetDataColumn(vint index)
			{
				return dataColumns[index];
			}

			// ===================== list::ListViewColumnItemArranger::IColumnItemView =====================

			bool GuiBindableListView::ItemSource::AttachCallback(ListViewColumnItemArranger::IColumnItemViewCallback* value)
			{
				if(columnItemViewCallbacks.Contains(value))
				{
					return false;
				}
				else
				{
					columnItemViewCallbacks.Add(value);
					return true;
				}
			}

			bool GuiBindableListView::ItemSource::DetachCallback(ListViewColumnItemArranger::IColumnItemViewCallback* value)
			{
				vint index = columnItemViewCallbacks.IndexOf(value);
				if (index == -1)
				{
					return false;
				}
				else
				{
					columnItemViewCallbacks.Remove(value);
					return true;
				}
			}

			vint GuiBindableListView::ItemSource::GetColumnCount()
			{
				return columns.Count();
			}

			WString GuiBindableListView::ItemSource::GetColumnText(vint index)
			{
				if (index < 0 || index >= columns.Count())
				{
					return L"";
				}
				else
				{
					return columns[index]->GetText();
				}
			}

			vint GuiBindableListView::ItemSource::GetColumnSize(vint index)
			{
				if (index < 0 || index >= columns.Count())
				{
					return 0;
				}
				else
				{
					return columns[index]->GetSize();
				}
			}

			void GuiBindableListView::ItemSource::SetColumnSize(vint index, vint value)
			{
				if (index >= 0 && index < columns.Count())
				{
					columns[index]->SetSize(value);
				}
			}

			GuiMenu* GuiBindableListView::ItemSource::GetDropdownPopup(vint index)
			{
				if (index < 0 || index >= columns.Count())
				{
					return 0;
				}
				else
				{
					return columns[index]->GetDropdownPopup();
				}
			}

			GuiListViewColumnHeader::ColumnSortingState GuiBindableListView::ItemSource::GetSortingState(vint index)
			{
				if (index < 0 || index >= columns.Count())
				{
					return GuiListViewColumnHeader::NotSorted;
				}
				else
				{
					return columns[index]->GetSortingState();
				}
			}

/***********************************************************************
GuiBindableListView
***********************************************************************/

			GuiBindableListView::GuiBindableListView(IStyleProvider* _styleProvider)
				:GuiVirtualListView(_styleProvider, new ItemSource)
			{
				itemSource = dynamic_cast<ItemSource*>(GetItemProvider());

				LargeImagePropertyChanged.SetAssociatedComposition(boundsComposition);
				SmallImagePropertyChanged.SetAssociatedComposition(boundsComposition);
			}

			GuiBindableListView::~GuiBindableListView()
			{
			}

			list::ListViewDataColumns& GuiBindableListView::GetDataColumns()
			{
				return itemSource->GetDataColumns();
			}

			list::ListViewColumns& GuiBindableListView::GetColumns()
			{
				return itemSource->GetColumns();
			}

			Ptr<description::IValueEnumerable> GuiBindableListView::GetItemSource()
			{
				return itemSource->GetItemSource();
			}

			void GuiBindableListView::SetItemSource(Ptr<description::IValueEnumerable> _itemSource)
			{
				itemSource->SetItemSource(_itemSource);
			}

			const WString& GuiBindableListView::GetLargeImageProperty()
			{
				return itemSource->largeImageProperty;
			}

			void GuiBindableListView::SetLargeImageProperty(const WString& value)
			{
				if (itemSource->largeImageProperty != value)
				{
					itemSource->largeImageProperty = value;
					itemSource->UpdateBindingProperties();
					LargeImagePropertyChanged.Execute(GetNotifyEventArguments());
				}
			}

			const WString& GuiBindableListView::GetSmallImageProperty()
			{
				return itemSource->smallImageProperty;
			}

			void GuiBindableListView::SetSmallImageProperty(const WString& value)
			{
				if (itemSource->smallImageProperty != value)
				{
					itemSource->smallImageProperty = value;
					itemSource->UpdateBindingProperties();
					SmallImagePropertyChanged.Execute(GetNotifyEventArguments());
				}
			}

			description::Value GuiBindableListView::GetSelectedItem()
			{
				vint index = GetSelectedItemIndex();
				if (index == -1) return Value();
				return itemSource->Get(index);
			}

/***********************************************************************
GuiBindableTreeView::ItemSourceNode
***********************************************************************/

			void GuiBindableTreeView::ItemSourceNode::PrepareChildren()
			{
				if (!childrenVirtualList)
				{
					auto value = ReadProperty(itemSource, rootProvider->childrenProperty);
					if (auto td = value.GetTypeDescriptor())
					{
						if (td->CanConvertTo(description::GetTypeDescriptor<IValueObservableList>()))
						{
							auto ol = UnboxValue<Ptr<IValueObservableList>>(value);
							itemChangedEventHandler = ol->ItemChanged.Add([this](vint start, vint oldCount, vint newCount)
							{
								callback->OnBeforeItemModified(this, start, oldCount, newCount);
								children.RemoveRange(start, oldCount);
								for (vint i = 0; i < newCount; i++)
								{
									Value value = childrenVirtualList->Get(start + i);
									auto node = new ItemSourceNode(value, this);
									children.Insert(start + i, node);
								}
								callback->OnAfterItemModified(this, start, oldCount, newCount);
							});
							childrenVirtualList = ol;
						}
						else if (td->CanConvertTo(description::GetTypeDescriptor<IValueReadonlyList>()))
						{
							childrenVirtualList = UnboxValue<Ptr<IValueReadonlyList>>(value);
						}
						else if (td->CanConvertTo(description::GetTypeDescriptor<IValueEnumerable>()))
						{
							auto e = UnboxValue<Ptr<IValueEnumerable>>(value);
							childrenVirtualList = IValueList::Create(GetLazyList<Value>(e));
						}
					}

					if (!childrenVirtualList)
					{
						childrenVirtualList = IValueList::Create();
					}

					vint count = childrenVirtualList->GetCount();
					for (vint i = 0; i < count; i++)
					{
						Value value = childrenVirtualList->Get(i);
						auto node = new ItemSourceNode(value, this);
						children.Add(node);
					}
				}
			}

			void GuiBindableTreeView::ItemSourceNode::UnprepareChildren()
			{
				if (itemChangedEventHandler)
				{
					auto ol = childrenVirtualList.Cast<IValueObservableList>();
					ol->ItemChanged.Remove(itemChangedEventHandler);
					itemChangedEventHandler = nullptr;
				}
				childrenVirtualList = nullptr;
				FOREACH(Ptr<ItemSourceNode>, node, children)
				{
					node->UnprepareChildren();
				}
				children.Clear();
			}

			GuiBindableTreeView::ItemSourceNode::ItemSourceNode(const description::Value& _itemSource, ItemSourceNode* _parent)
				:itemSource(_itemSource)
				, rootProvider(_parent->rootProvider)
				, parent(_parent)
				, callback(_parent->callback)
			{
			}

			GuiBindableTreeView::ItemSourceNode::ItemSourceNode(ItemSource* _rootProvider)
				:rootProvider(_rootProvider)
				, parent(nullptr)
				, callback(_rootProvider)
			{
			}

			GuiBindableTreeView::ItemSourceNode::~ItemSourceNode()
			{
				SetItemSource(Value());
			}

			description::Value GuiBindableTreeView::ItemSourceNode::GetItemSource()
			{
				return itemSource;
			}

			void GuiBindableTreeView::ItemSourceNode::SetItemSource(const description::Value& _itemSource)
			{
				vint oldCount = GetChildCount();
				UnprepareChildren();
				itemSource = _itemSource;
				vint newCount = GetChildCount();
				callback->OnBeforeItemModified(this, 0, oldCount, newCount);
				callback->OnAfterItemModified(this, 0, oldCount, newCount);
			}

			bool GuiBindableTreeView::ItemSourceNode::GetExpanding()
			{
				return this == rootProvider->rootNode.Obj() ? true : expanding;
			}

			void GuiBindableTreeView::ItemSourceNode::SetExpanding(bool value)
			{
				if (this != rootProvider->rootNode.Obj() && expanding != value)
				{
					expanding = value;
					if (expanding)
					{
						callback->OnItemExpanded(this);
					}
					else
					{
						callback->OnItemCollapsed(this);
					}
				}
			}

			vint GuiBindableTreeView::ItemSourceNode::CalculateTotalVisibleNodes()
			{
				if (!GetExpanding())
				{
					return 1;
				}

				PrepareChildren();
				vint count = 1;
				FOREACH(Ptr<ItemSourceNode>, child, children)
				{
					count += child->CalculateTotalVisibleNodes();
				}
				return count;
			}

			vint GuiBindableTreeView::ItemSourceNode::GetChildCount()
			{
				PrepareChildren();
				return children.Count();
			}

			tree::INodeProvider* GuiBindableTreeView::ItemSourceNode::GetParent()
			{
				return parent;
			}

			tree::INodeProvider* GuiBindableTreeView::ItemSourceNode::GetChild(vint index)
			{
				PrepareChildren();
				if (0 <= index && index < children.Count())
				{
					return children[index].Obj();
				}
				return 0;
			}

			void GuiBindableTreeView::ItemSourceNode::Increase()
			{
			}

			void GuiBindableTreeView::ItemSourceNode::Release()
			{
			}

/***********************************************************************
GuiBindableTreeView::ItemSource
***********************************************************************/

			GuiBindableTreeView::ItemSource::ItemSource()
			{
				rootNode = new ItemSourceNode(this);
			}

			GuiBindableTreeView::ItemSource::~ItemSource()
			{
			}

			description::Value GuiBindableTreeView::ItemSource::GetItemSource()
			{
				return rootNode->GetItemSource();
			}

			void GuiBindableTreeView::ItemSource::SetItemSource(const description::Value& _itemSource)
			{
				rootNode->SetItemSource(_itemSource);
			}

			void GuiBindableTreeView::ItemSource::UpdateBindingProperties(bool updateChildrenProperty)
			{
				vint oldCount = rootNode->GetChildCount();
				if (updateChildrenProperty)
				{
					rootNode->UnprepareChildren();
				}
				vint newCount = rootNode->GetChildCount();
				OnBeforeItemModified(rootNode.Obj(), 0, oldCount, newCount);
				OnAfterItemModified(rootNode.Obj(), 0, oldCount, newCount);
			}

			// ===================== tree::INodeRootProvider =====================

			tree::INodeProvider* GuiBindableTreeView::ItemSource::GetRootNode()
			{
				return rootNode.Obj();
			}

			IDescriptable* GuiBindableTreeView::ItemSource::RequestView(const WString& identifier)
			{
				if(identifier==INodeItemBindingView::Identifier)
				{
					return (INodeItemBindingView*)this;
				}
				else if(identifier==INodeItemPrimaryTextView::Identifier)
				{
					return (INodeItemPrimaryTextView*)this;
				}
				else if(identifier==ITreeViewItemView::Identifier)
				{
					return (ITreeViewItemView*)this;
				}
				else
				{
					return 0;
				}
			}

			void GuiBindableTreeView::ItemSource::ReleaseView(IDescriptable* view)
			{
			}

			// ===================== tree::INodeItemBindingView =====================

			description::Value GuiBindableTreeView::ItemSource::GetBindingValue(tree::INodeProvider* node)
			{
				if (auto itemSourceNode = dynamic_cast<ItemSourceNode*>(node))
				{
					return itemSourceNode->GetItemSource();
				}
				return Value();
			}

			// ===================== tree::INodeItemPrimaryTextView =====================

			WString GuiBindableTreeView::ItemSource::GetPrimaryTextViewText(tree::INodeProvider* node)
			{
				return GetNodeText(node);
			}

			// ===================== tree::ITreeViewItemView =====================

			Ptr<GuiImageData> GuiBindableTreeView::ItemSource::GetNodeImage(tree::INodeProvider* node)
			{
				if (auto itemSourceNode = dynamic_cast<ItemSourceNode*>(node))
				{
					auto value = ReadProperty(itemSourceNode->GetItemSource(), imageProperty);
					return value.GetSharedPtr().Cast<GuiImageData>();
				}
				return nullptr;
			}

			WString GuiBindableTreeView::ItemSource::GetNodeText(tree::INodeProvider* node)
			{
				if (auto itemSourceNode = dynamic_cast<ItemSourceNode*>(node))
				{
					return GetValueText(ReadProperty(itemSourceNode->GetItemSource(), textProperty));
				}
				return L"";
			}

/***********************************************************************
GuiBindableTreeView
***********************************************************************/

			GuiBindableTreeView::GuiBindableTreeView(IStyleProvider* _styleProvider)
				:GuiVirtualTreeView(_styleProvider, new ItemSource)
			{
				itemSource = dynamic_cast<ItemSource*>(GetNodeRootProvider());

				TextPropertyChanged.SetAssociatedComposition(boundsComposition);
				ImagePropertyChanged.SetAssociatedComposition(boundsComposition);
				ChildrenPropertyChanged.SetAssociatedComposition(boundsComposition);
			}

			GuiBindableTreeView::~GuiBindableTreeView()
			{
			}

			description::Value GuiBindableTreeView::GetItemSource()
			{
				return itemSource->GetItemSource();
			}

			void GuiBindableTreeView::SetItemSource(description::Value _itemSource)
			{
				itemSource->SetItemSource(_itemSource);
			}

			const WString& GuiBindableTreeView::GetTextProperty()
			{
				return itemSource->textProperty;
			}

			void GuiBindableTreeView::SetTextProperty(const WString& value)
			{
				if (itemSource->textProperty != value)
				{
					itemSource->textProperty = value;
					itemSource->UpdateBindingProperties(false);
					TextPropertyChanged.Execute(GetNotifyEventArguments());
				}
			}

			const WString& GuiBindableTreeView::GetImageProperty()
			{
				return itemSource->imageProperty;
			}

			void GuiBindableTreeView::SetImageProperty(const WString& value)
			{
				if (itemSource->imageProperty != value)
				{
					itemSource->imageProperty = value;
					itemSource->UpdateBindingProperties(false);
					ImagePropertyChanged.Execute(GetNotifyEventArguments());
				}
			}

			const WString& GuiBindableTreeView::GetChildrenProperty()
			{
				return itemSource->childrenProperty;
			}

			void GuiBindableTreeView::SetChildrenProperty(const WString& value)
			{
				if (itemSource->childrenProperty != value)
				{
					itemSource->childrenProperty = value;
					itemSource->UpdateBindingProperties(true);
					ChildrenPropertyChanged.Execute(GetNotifyEventArguments());
				}
			}

			description::Value GuiBindableTreeView::GetSelectedItem()
			{
				vint index = GetSelectedItemIndex();
				if (index == -1) return Value();

				Value result;
				if (auto node = nodeItemView->RequestNode(index))
				{
					if (auto itemSourceNode = dynamic_cast<ItemSourceNode*>(node))
					{
						result = itemSourceNode->GetItemSource();
					}
					nodeItemView->ReleaseNode(node);
				}
				return result;
			}

			namespace list
			{
/***********************************************************************
GuiBindableDataColumn
***********************************************************************/

				BindableDataColumn::BindableDataColumn()
					:dataProvider(nullptr)
				{
				}

				BindableDataColumn::~BindableDataColumn()
				{
				}

				void BindableDataColumn::SaveCellData(vint row, IDataEditor* dataEditor)
				{
					if (auto editor = dynamic_cast<GuiBindableDataEditor*>(dataEditor))
					{
						SetCellValue(row, editor->GetEditedCellValue());
					}
					if (commandExecutor)
					{
						commandExecutor->OnDataProviderItemModified(row, 1, 1);
					}
				}

				WString BindableDataColumn::GetCellText(vint row)
				{
					return GetValueText(GetCellValue(row));
				}

				description::Value BindableDataColumn::GetCellValue(vint row)
				{
					if (dataProvider->itemSource)
					{
						if (0 <= row && row < dataProvider->itemSource->GetCount())
						{
							return ReadProperty(dataProvider->itemSource->Get(row), valueProperty);
						}
					}
					return Value();
				}

				void BindableDataColumn::SetCellValue(vint row, description::Value value)
				{
					if (dataProvider->itemSource)
					{
						if (0 <= row && row < dataProvider->itemSource->GetCount())
						{
							auto rowValue = dataProvider->itemSource->Get(row);
							return WriteProperty(rowValue, valueProperty, value);
						}
					}
				}

				const WString& BindableDataColumn::GetValueProperty()
				{
					return valueProperty;
				}

				void BindableDataColumn::SetValueProperty(const WString& value)
				{
					if (valueProperty != value)
					{
						valueProperty = value;
						if (commandExecutor)
						{
							commandExecutor->OnDataProviderColumnChanged();
						}
						compositions::GuiEventArgs arguments;
						ValuePropertyChanged.Execute(arguments);
					}
				}

				const description::Value& BindableDataColumn::GetViewModelContext()
				{
					return dataProvider->viewModelContext;
				}

/***********************************************************************
GuiBindableDataProvider
***********************************************************************/

				BindableDataProvider::BindableDataProvider(const description::Value& _viewModelContext)
					:viewModelContext(_viewModelContext)
				{
				}

				BindableDataProvider::~BindableDataProvider()
				{
					SetItemSource(nullptr);
				}

				Ptr<description::IValueEnumerable> BindableDataProvider::GetItemSource()
				{
					return itemSource;
				}

				void BindableDataProvider::SetItemSource(Ptr<description::IValueEnumerable> _itemSource)
				{
					vint oldCount = 0;
					if (itemSource)
					{
						oldCount = itemSource->GetCount();
					}
					if (itemChangedEventHandler)
					{
						auto ol = itemSource.Cast<IValueObservableList>();
						ol->ItemChanged.Remove(itemChangedEventHandler);
					}

					itemSource = nullptr;
					itemChangedEventHandler = nullptr;

					if (_itemSource)
					{
						if (auto ol = _itemSource.Cast<IValueObservableList>())
						{
							itemSource = ol;
							itemChangedEventHandler = ol->ItemChanged.Add([this](vint start, vint oldCount, vint newCount)
							{
								commandExecutor->OnDataProviderItemModified(start, oldCount, newCount);
							});
						}
						else if (auto rl = _itemSource.Cast<IValueReadonlyList>())
						{
							itemSource = rl;
						}
						else
						{
							itemSource = IValueList::Create(GetLazyList<Value>(_itemSource));
						}
					}

					commandExecutor->OnDataProviderItemModified(0, oldCount, itemSource ? itemSource->GetCount() : 0);
				}

				vint BindableDataProvider::GetRowCount()
				{
					if (!itemSource) return 0;
					return itemSource->GetCount();
				}

				description::Value BindableDataProvider::GetRowValue(vint row)
				{
					if (itemSource)
					{
						if (0 <= row && row < itemSource->GetCount())
						{
							return itemSource->Get(row);
						}
					}
					return Value();
				}

				bool BindableDataProvider::InsertBindableColumn(vint index, Ptr<BindableDataColumn> column)
				{
					if (InsertColumnInternal(index, column, true))
					{
						column->dataProvider = this;
						return true;
					}
					else
					{
						return false;
					}
				}

				bool BindableDataProvider::AddBindableColumn(Ptr<BindableDataColumn> column)
				{
					if (AddColumnInternal(column, true))
					{
						column->dataProvider = this;
						return true;
					}
					else
					{
						return false;
					}
				}

				bool BindableDataProvider::RemoveBindableColumn(Ptr<BindableDataColumn> column)
				{
					if (RemoveColumnInternal(column, true))
					{
						column->dataProvider = nullptr;
						return true;
					}
					else
					{
						return false;
					}
				}

				bool BindableDataProvider::ClearBindableColumns()
				{
					FOREACH(Ptr<StructuredColummProviderBase>, column, columns)
					{
						column.Cast<BindableDataColumn>()->dataProvider = nullptr;
					}
					return ClearColumnsInternal(true);
				}

				Ptr<BindableDataColumn> BindableDataProvider::GetBindableColumn(vint index)
				{
					if (0 <= index && index < GetColumnCount())
					{
						return columns[index].Cast<BindableDataColumn>();
					}
					else
					{
						return nullptr;
					}
				}

				const description::Value& BindableDataProvider::GetViewModelContext()
				{
					return viewModelContext;
				}
			}

/***********************************************************************
GuiBindableDataGrid
***********************************************************************/

			GuiBindableDataGrid::GuiBindableDataGrid(IStyleProvider* _styleProvider, const description::Value& _viewModelContext)
				:GuiVirtualDataGrid(_styleProvider, new BindableDataProvider(_viewModelContext))
			{
				bindableDataProvider = GetStructuredDataProvider()->GetStructuredDataProvider().Cast<BindableDataProvider>();
			}

			GuiBindableDataGrid::~GuiBindableDataGrid()
			{
			}

			Ptr<description::IValueEnumerable> GuiBindableDataGrid::GetItemSource()
			{
				return bindableDataProvider->GetItemSource();
			}

			void GuiBindableDataGrid::SetItemSource(Ptr<description::IValueEnumerable> _itemSource)
			{
				bindableDataProvider->SetItemSource(_itemSource);
			}

			bool GuiBindableDataGrid::InsertBindableColumn(vint index, Ptr<list::BindableDataColumn> column)
			{
				return bindableDataProvider->InsertBindableColumn(index, column);
			}

			bool GuiBindableDataGrid::AddBindableColumn(Ptr<list::BindableDataColumn> column)
			{
				return bindableDataProvider->AddBindableColumn(column);
			}

			bool GuiBindableDataGrid::RemoveBindableColumn(Ptr<list::BindableDataColumn> column)
			{
				return bindableDataProvider->RemoveBindableColumn(column);
			}

			bool GuiBindableDataGrid::ClearBindableColumns()
			{
				return bindableDataProvider->ClearBindableColumns();
			}

			Ptr<list::BindableDataColumn> GuiBindableDataGrid::GetBindableColumn(vint index)
			{
				return bindableDataProvider->GetBindableColumn(index);
			}

			description::Value GuiBindableDataGrid::GetSelectedRowValue()
			{
				return bindableDataProvider->GetRowValue(GetSelectedCell().row);
			}

			description::Value GuiBindableDataGrid::GetSelectedCellValue()
			{
				auto cell = GetSelectedCell();
				auto column = GetBindableColumn(cell.column);
				if (column)
				{
					return column->GetCellValue(cell.row);
				}
				return Value();
			}
		}
	}
}

/***********************************************************************
CONTROLS\LISTCONTROLPACKAGE\GUICOMBOCONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{

/***********************************************************************
GuiComboBoxBase::CommandExecutor
***********************************************************************/

			GuiComboBoxBase::CommandExecutor::CommandExecutor(GuiComboBoxBase* _combo)
				:combo(_combo)
			{
			}

			GuiComboBoxBase::CommandExecutor::~CommandExecutor()
			{
			}

			void GuiComboBoxBase::CommandExecutor::SelectItem()
			{
				combo->SelectItem();
			}

/***********************************************************************
GuiComboBoxBase
***********************************************************************/

			bool GuiComboBoxBase::IsAltAvailable()
			{
				return false;
			}

			IGuiMenuService::Direction GuiComboBoxBase::GetSubMenuDirection()
			{
				return IGuiMenuService::Horizontal;
			}

			void GuiComboBoxBase::SelectItem()
			{
				styleController->OnItemSelected();
				ItemSelected.Execute(GetNotifyEventArguments());
			}

			void GuiComboBoxBase::OnBoundsChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				Size size=GetPreferredMenuClientSize();
				size.x=GetBoundsComposition()->GetBounds().Width();
				SetPreferredMenuClientSize(size);
			}

			GuiComboBoxBase::GuiComboBoxBase(IStyleController* _styleController)
				:GuiMenuButton(_styleController)
			{
				commandExecutor=new CommandExecutor(this);
				styleController=dynamic_cast<IStyleController*>(GetStyleController());
				styleController->SetCommandExecutor(commandExecutor.Obj());

				CreateSubMenu();
				SetCascadeAction(false);

				GetBoundsComposition()->BoundsChanged.AttachMethod(this, &GuiComboBoxBase::OnBoundsChanged);
			}

			GuiComboBoxBase::~GuiComboBoxBase()
			{
			}

/***********************************************************************
GuiComboBoxListControl
***********************************************************************/

			void GuiComboBoxListControl::RemoveStyleController()
			{
				if (itemStyleController)
				{
					SafeDeleteComposition(itemStyleController->GetBoundsComposition());
					itemStyleController = nullptr;
				}
			}

			void GuiComboBoxListControl::InstallStyleController(vint itemIndex)
			{
				if (itemBindingView != nullptr && itemStyleProvider)
				{
					if (itemIndex != -1)
					{
						auto item = itemBindingView->GetBindingValue(itemIndex);
						if (!item.IsNull())
						{
							itemStyleController = itemStyleProvider->CreateItemStyle(item);
							if (itemStyleController)
							{
								itemStyleController->SetText(GetText());
								itemStyleController->SetFont(GetFont());
								itemStyleController->SetVisuallyEnabled(GetVisuallyEnabled());

								auto composition = itemStyleController->GetBoundsComposition();
								composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
								GetContainerComposition()->AddChild(composition);
							}
						}
					}
				}
			}

			void GuiComboBoxListControl::DisplaySelectedContent(vint itemIndex)
			{
				if(primaryTextView)
				{
					if(itemIndex==-1)
					{
						SetText(L"");
					}
					else if(primaryTextView->ContainsPrimaryText(itemIndex))
					{
						WString text=primaryTextView->GetPrimaryTextViewText(itemIndex);
						SetText(text);
						GetSubMenu()->Hide();
					}
				}

				RemoveStyleController();
				InstallStyleController(itemIndex);
			}

			void GuiComboBoxListControl::OnTextChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if (itemStyleController)
				{
					itemStyleController->SetText(GetText());
				}
			}

			void GuiComboBoxListControl::OnFontChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if (itemStyleController)
				{
					itemStyleController->SetFont(GetFont());
				}
				auto args = GetNotifyEventArguments();
				OnListControlAdoptedSizeInvalidated(nullptr, args);
			}

			void GuiComboBoxListControl::OnVisuallyEnabledChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if (itemStyleController)
				{
					itemStyleController->SetVisuallyEnabled(GetVisuallyEnabled());
				}
			}

			void GuiComboBoxListControl::OnListControlAdoptedSizeInvalidated(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				Size expectedSize(0, GetFont().size * 20);
				Size adoptedSize = containedListControl->GetAdoptedSize(expectedSize);

				Size clientSize = GetPreferredMenuClientSize();
				clientSize.y = adoptedSize.y + GetSubMenu()->GetClientSize().y - containedListControl->GetBoundsComposition()->GetBounds().Height();
				SetPreferredMenuClientSize(clientSize);

				if (GetSubMenuOpening())
				{
					GetSubMenu()->SetClientSize(clientSize);
				}
			}

			void GuiComboBoxListControl::OnListControlSelectionChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				DisplaySelectedContent(GetSelectedIndex());
				SelectItem();
				SelectedIndexChanged.Execute(GetNotifyEventArguments());
			}

			GuiComboBoxListControl::GuiComboBoxListControl(IStyleController* _styleController, GuiSelectableListControl* _containedListControl)
				:GuiComboBoxBase(_styleController)
				, styleController(_styleController)
				, containedListControl(_containedListControl)
			{
				styleController->SetTextVisible(true);
				TextChanged.AttachMethod(this, &GuiComboBoxListControl::OnTextChanged);
				FontChanged.AttachMethod(this, &GuiComboBoxListControl::OnFontChanged);
				VisuallyEnabledChanged.AttachMethod(this, &GuiComboBoxListControl::OnVisuallyEnabledChanged);

				containedListControl->SetMultiSelect(false);
				containedListControl->AdoptedSizeInvalidated.AttachMethod(this, &GuiComboBoxListControl::OnListControlAdoptedSizeInvalidated);
				containedListControl->SelectionChanged.AttachMethod(this, &GuiComboBoxListControl::OnListControlSelectionChanged);

				auto itemProvider = containedListControl->GetItemProvider();
				primaryTextView = dynamic_cast<GuiListControl::IItemPrimaryTextView*>(itemProvider->RequestView(GuiListControl::IItemPrimaryTextView::Identifier));
				itemBindingView = dynamic_cast<GuiListControl::IItemBindingView*>(itemProvider->RequestView(GuiListControl::IItemBindingView::Identifier));

				SelectedIndexChanged.SetAssociatedComposition(GetBoundsComposition());

				containedListControl->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
				GetSubMenu()->GetContainerComposition()->AddChild(containedListControl->GetBoundsComposition());
				SetFont(GetFont());
			}

			GuiComboBoxListControl::~GuiComboBoxListControl()
			{
				if(primaryTextView)
				{
					containedListControl->GetItemProvider()->ReleaseView(primaryTextView);
				}
			}

			GuiSelectableListControl* GuiComboBoxListControl::GetContainedListControl()
			{
				return containedListControl;
			}
			
			GuiComboBoxListControl::IItemStyleProvider* GuiComboBoxListControl::GetStyleProvider()
			{
				return itemStyleProvider.Obj();
			}

			Ptr<GuiComboBoxListControl::IItemStyleProvider> GuiComboBoxListControl::SetStyleProvider(Ptr<IItemStyleProvider> value)
			{
				RemoveStyleController();
				auto old = itemStyleProvider;
				if (itemStyleProvider)
				{
					itemStyleProvider->DetachComboBox();
				}

				itemStyleProvider = value;

				if (itemStyleProvider)
				{
					itemStyleProvider->AttachComboBox(this);
					styleController->SetTextVisible(false);
					InstallStyleController(GetSelectedIndex());
				}
				else
				{
					styleController->SetTextVisible(true);
				}

				StyleProviderChanged.Execute(GetNotifyEventArguments());
				return old;
			}

			vint GuiComboBoxListControl::GetSelectedIndex()
			{
				if(containedListControl->GetSelectedItems().Count()==1)
				{
					return containedListControl->GetSelectedItems()[0];
				}
				else
				{
					return -1;
				}
			}

			void GuiComboBoxListControl::SetSelectedIndex(vint value)
			{
				containedListControl->SetSelected(value, true);
			}

			description::Value GuiComboBoxListControl::GetSelectedItem()
			{
				auto selectedIndex = GetSelectedIndex();
				if (selectedIndex != -1)
				{
					if (itemBindingView)
					{
						return itemBindingView->GetBindingValue(selectedIndex);
					}
				}
				return description::Value();
			}

			GuiListControl::IItemProvider* GuiComboBoxListControl::GetItemProvider()
			{
				return containedListControl->GetItemProvider();
			}
		}
	}
}

/***********************************************************************
CONTROLS\LISTCONTROLPACKAGE\GUIDATAGRIDCONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			namespace list
			{
				using namespace compositions;
				using namespace collections;

				const wchar_t* const IDataProvider::Identifier = L"vl::presentation::controls::list::IDataProvider";

/***********************************************************************
DataGridItemProvider
***********************************************************************/

				void DataGridItemProvider::InvokeOnItemModified(vint start, vint count, vint newCount)
				{
					for(vint i=0;i<itemProviderCallbacks.Count();i++)
					{
						itemProviderCallbacks[i]->OnItemModified(start, count, newCount);
					}
				}

				void DataGridItemProvider::InvokeOnColumnChanged()
				{
					for(vint i=0;i<columnItemViewCallbacks.Count();i++)
					{
						columnItemViewCallbacks[i]->OnColumnChanged();
					}
				}

				void DataGridItemProvider::OnDataProviderColumnChanged()
				{
					InvokeOnColumnChanged();
				}

				void DataGridItemProvider::OnDataProviderItemModified(vint start, vint count, vint newCount)
				{
					InvokeOnItemModified(start, count, newCount);
				}

				DataGridItemProvider::DataGridItemProvider(IDataProvider* _dataProvider)
					:dataProvider(_dataProvider)
				{
					dataProvider->SetCommandExecutor(this);
				}

				DataGridItemProvider::~DataGridItemProvider()
				{
				}

				IDataProvider* DataGridItemProvider::GetDataProvider()
				{
					return dataProvider;
				}

				void DataGridItemProvider::SortByColumn(vint column, bool ascending)
				{
					dataProvider->SortByColumn(column, ascending);
				}

// ===================== GuiListControl::IItemProvider =====================

				bool DataGridItemProvider::AttachCallback(GuiListControl::IItemProviderCallback* value)
				{
					if(itemProviderCallbacks.Contains(value))
					{
						return false;
					}
					else
					{
						itemProviderCallbacks.Add(value);
						value->OnAttached(this);
						return true;
					}
				}

				bool DataGridItemProvider::DetachCallback(GuiListControl::IItemProviderCallback* value)
				{
					vint index=itemProviderCallbacks.IndexOf(value);
					if(index==-1)
					{
						return false;
					}
					else
					{
						value->OnAttached(0);
						itemProviderCallbacks.Remove(value);
						return true;
					}
				}

				vint DataGridItemProvider::Count()
				{
					return dataProvider->GetRowCount();
				}

				IDescriptable* DataGridItemProvider::RequestView(const WString& identifier)
				{
					if(identifier==IDataProvider::Identifier)
					{
						return dataProvider;
					}
					else if(identifier==ListViewItemStyleProvider::IListViewItemView::Identifier)
					{
						return (ListViewItemStyleProvider::IListViewItemView*)this;
					}
					else if(identifier==ListViewColumnItemArranger::IColumnItemView::Identifier)
					{
						return (ListViewColumnItemArranger::IColumnItemView*)this;
					}
					else if(identifier==GuiListControl::IItemPrimaryTextView::Identifier)
					{
						return (GuiListControl::IItemPrimaryTextView*)this;
					}
					else
					{
						return 0;
					}
				}

				void DataGridItemProvider::ReleaseView(IDescriptable* view)
				{
				}

// ===================== GuiListControl::IItemPrimaryTextView =====================

				WString DataGridItemProvider::GetPrimaryTextViewText(vint itemIndex)
				{
					return GetText(itemIndex);
				}

				bool DataGridItemProvider::ContainsPrimaryText(vint itemIndex)
				{
					return true;
				}

// ===================== list::ListViewItemStyleProvider::IListViewItemView =====================

				Ptr<GuiImageData> DataGridItemProvider::GetSmallImage(vint itemIndex)
				{
					return dataProvider->GetRowSmallImage(itemIndex);
				}

				Ptr<GuiImageData> DataGridItemProvider::GetLargeImage(vint itemIndex)
				{
					return dataProvider->GetRowLargeImage(itemIndex);
				}

				WString DataGridItemProvider::GetText(vint itemIndex)
				{
					return dataProvider->GetCellText(itemIndex, 0);
				}

				WString DataGridItemProvider::GetSubItem(vint itemIndex, vint index)
				{
					return dataProvider->GetCellText(itemIndex, index+1);
				}

				vint DataGridItemProvider::GetDataColumnCount()
				{
					return 0;
				}

				vint DataGridItemProvider::GetDataColumn(vint index)
				{
					return 0;
				}

// ===================== list::ListViewColumnItemArranger::IColumnItemView =====================
						
				bool DataGridItemProvider::AttachCallback(ListViewColumnItemArranger::IColumnItemViewCallback* value)
				{
					if(columnItemViewCallbacks.Contains(value))
					{
						return false;
					}
					else
					{
						columnItemViewCallbacks.Add(value);
						return true;
					}
				}

				bool DataGridItemProvider::DetachCallback(ListViewColumnItemArranger::IColumnItemViewCallback* value)
				{
					vint index=columnItemViewCallbacks.IndexOf(value);
					if(index==-1)
					{
						return false;
					}
					else
					{
						columnItemViewCallbacks.Remove(value);
						return true;
					}
				}

				vint DataGridItemProvider::GetColumnCount()
				{
					return dataProvider->GetColumnCount();
				}

				WString DataGridItemProvider::GetColumnText(vint index)
				{
					return dataProvider->GetColumnText(index);
				}

				vint DataGridItemProvider::GetColumnSize(vint index)
				{
					return dataProvider->GetColumnSize(index);
				}

				void DataGridItemProvider::SetColumnSize(vint index, vint value)
				{
					dataProvider->SetColumnSize(index, value);
					for(vint i=0;i<columnItemViewCallbacks.Count();i++)
					{
						columnItemViewCallbacks[i]->OnColumnChanged();
					}
				}

				GuiMenu* DataGridItemProvider::GetDropdownPopup(vint index)
				{
					return dataProvider->GetColumnPopup(index);
				}

				GuiListViewColumnHeader::ColumnSortingState DataGridItemProvider::GetSortingState(vint index)
				{
					if(index==dataProvider->GetSortedColumn())
					{
						return dataProvider->IsSortOrderAscending()
							?GuiListViewColumnHeader::Ascending
							:GuiListViewColumnHeader::Descending;
					}
					else
					{
						return GuiListViewColumnHeader::NotSorted;
					}
				}
				
/***********************************************************************
DataGridContentProvider::ItemContent
***********************************************************************/

				void DataGridContentProvider::ItemContent::RemoveCellsAndDataVisualizers()
				{
					for(vint i=0;i<dataVisualizers.Count();i++)
					{
						IDataVisualizer* visualizer=dataVisualizers[i].Obj();
						GuiGraphicsComposition* composition=visualizer->GetBoundsComposition();
						if(composition->GetParent())
						{
							composition->GetParent()->RemoveChild(composition);
						}
						dataVisualizers[i]=0;
					}
					dataVisualizers.Resize(0);

					for(vint i=0;i<textTable->GetColumns();i++)
					{
						GuiCellComposition* cell=textTable->GetSitedCell(0, i);
						SafeDeleteComposition(cell);
					}
				}

				IDataVisualizerFactory* DataGridContentProvider::ItemContent::GetDataVisualizerFactory(vint row, vint column)
				{
					IDataVisualizerFactory* factory=contentProvider->dataProvider->GetCellDataVisualizerFactory(row, column);
					if(factory)
					{
						return factory;
					}
					else if(column==0)
					{
						return &contentProvider->mainColumnDataVisualizerFactory;
					}
					else
					{
						return &contentProvider->subColumnDataVisualizerFactory;
					}
				}

				vint DataGridContentProvider::ItemContent::GetCellColumnIndex(compositions::GuiGraphicsComposition* composition)
				{
					for(vint i=0;i<textTable->GetColumns();i++)
					{
						GuiCellComposition* cell=textTable->GetSitedCell(0, i);
						if(composition==cell)
						{
							return i;
						}
					}
					return -1;
				}

				void DataGridContentProvider::ItemContent::OnCellButtonUp(compositions::GuiGraphicsComposition* sender, bool openEditor)
				{
					vint index=GetCellColumnIndex(sender);
					if(index!=-1)
					{
						if(currentEditor && contentProvider->currentCell.column==index)
						{
							return;
						}
						GuiListControl::IItemStyleController* itemStyle=contentProvider->listViewItemStyleProvider->GetItemStyleControllerFromItemContent(this);
						vint currentRow=contentProvider->dataGrid->GetArranger()->GetVisibleIndex(itemStyle);
						IDataEditorFactory* factory=openEditor?contentProvider->dataProvider->GetCellDataEditorFactory(currentRow, index):0;
						currentEditor=contentProvider->OpenEditor(currentRow, index, factory);
						if(currentEditor)
						{
							GuiCellComposition* cell=dynamic_cast<GuiCellComposition*>(sender);
							currentEditor->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
							cell->AddChild(currentEditor->GetBoundsComposition());
						}
					}
				}

				bool DataGridContentProvider::ItemContent::IsInEditor(compositions::GuiMouseEventArgs& arguments)
				{
					if(!contentProvider->currentEditor) return false;
					GuiGraphicsComposition* editorComposition=contentProvider->currentEditor->GetBoundsComposition();
					GuiGraphicsComposition* stopComposition=GetContentComposition();
					GuiGraphicsComposition* currentComposition=arguments.eventSource;

					while(currentComposition)
					{
						if(currentComposition==editorComposition)
						{
							arguments.handled=true;
							return true;
						}
						else if(currentComposition==stopComposition)
						{
							break;
						}
						else
						{
							currentComposition=currentComposition->GetParent();
						}
					}
					return false;
				}

				void DataGridContentProvider::ItemContent::OnCellButtonDown(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
				{
					IsInEditor(arguments);
				}

				void DataGridContentProvider::ItemContent::OnCellLeftButtonUp(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
				{
					if(!IsInEditor(arguments))
					{
						if(contentProvider->dataGrid->GetVisuallyEnabled())
						{
							OnCellButtonUp(sender, true);
						}
					}
				}

				void DataGridContentProvider::ItemContent::OnCellRightButtonUp(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
				{
					if(!IsInEditor(arguments))
					{
						if(contentProvider->dataGrid->GetVisuallyEnabled())
						{
							OnCellButtonUp(sender, false);
						}
					}
				}

				DataGridContentProvider::ItemContent::ItemContent(DataGridContentProvider* _contentProvider, const FontProperties& _font)
					:contentComposition(0)
					,contentProvider(_contentProvider)
					,font(_font)
					,currentEditor(0)
				{
					contentComposition=new GuiBoundsComposition;
					contentComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);

					textTable=new GuiTableComposition;
					textTable->SetAlignmentToParent(Margin(0, 0, 0, 0));
					textTable->SetRowsAndColumns(1, 1);
					textTable->SetRowOption(0, GuiCellOption::MinSizeOption());
					textTable->SetColumnOption(0, GuiCellOption::AbsoluteOption(0));
					contentComposition->AddChild(textTable);
				}

				DataGridContentProvider::ItemContent::~ItemContent()
				{
					RemoveCellsAndDataVisualizers();
				}

				compositions::GuiBoundsComposition* DataGridContentProvider::ItemContent::GetContentComposition()
				{
					return contentComposition;
				}

				compositions::GuiBoundsComposition* DataGridContentProvider::ItemContent::GetBackgroundDecorator()
				{
					return 0;
				}

				void DataGridContentProvider::ItemContent::UpdateSubItemSize()
				{
					vint columnCount=contentProvider->columnItemView->GetColumnCount();
					if(columnCount>textTable->GetColumns())
					{
						columnCount=textTable->GetColumns();
					}
					for(vint i=0;i<columnCount;i++)
					{
						textTable->SetColumnOption(i, GuiCellOption::AbsoluteOption(contentProvider->columnItemView->GetColumnSize(i)));
					}
					textTable->UpdateCellBounds();
				}

				void DataGridContentProvider::ItemContent::ForceSetEditor(vint column, IDataEditor* editor)
				{
					currentEditor=editor;
					if(currentEditor)
					{
						GuiCellComposition* cell=textTable->GetSitedCell(0, column);
						GuiBoundsComposition* editorBounds=currentEditor->GetBoundsComposition();
						if(editorBounds->GetParent() && editorBounds->GetParent()!=cell)
						{
							editorBounds->GetParent()->RemoveChild(editorBounds);
						}
						currentEditor->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
						cell->AddChild(currentEditor->GetBoundsComposition());
					}
				}

				void DataGridContentProvider::ItemContent::NotifyCloseEditor()
				{
					if(currentEditor)
					{
						GuiGraphicsComposition* composition=currentEditor->GetBoundsComposition();
						if(composition->GetParent())
						{
							composition->GetParent()->RemoveChild(composition);
						}
						currentEditor=0;
					}
				}

				void DataGridContentProvider::ItemContent::NotifySelectCell(vint column)
				{
					for(vint i=0;i<dataVisualizers.Count();i++)
					{
						dataVisualizers[i]->SetSelected(i==column);
					}
				}

				void DataGridContentProvider::ItemContent::Install(GuiListViewBase::IStyleProvider* styleProvider, ListViewItemStyleProvider::IListViewItemView* view, vint itemIndex)
				{
					bool refresh=false;
					if(dataVisualizers.Count()!=contentProvider->columnItemView->GetColumnCount())
					{
						refresh=true;
					}
					else
					{
						for(vint i=0;i<dataVisualizers.Count();i++)
						{
							IDataVisualizerFactory* factory=dataVisualizers[i]->GetFactory();
							if(factory!=GetDataVisualizerFactory(itemIndex, i))
							{
								refresh=true;
								break;
							}
						}
					}

					if(refresh)
					{
						RemoveCellsAndDataVisualizers();
						vint columnCount=contentProvider->columnItemView->GetColumnCount();

						dataVisualizers.Resize(columnCount);
						for(vint i=0;i<dataVisualizers.Count();i++)
						{
							IDataVisualizerFactory* factory=GetDataVisualizerFactory(itemIndex, i);
							dataVisualizers[i]=factory->CreateVisualizer(font, styleProvider);
						}

						textTable->SetRowsAndColumns(1, columnCount);
						for(vint i=0;i<columnCount;i++)
						{
							GuiCellComposition* cell=new GuiCellComposition;
							textTable->AddChild(cell);
							cell->SetSite(0, i, 1, 1);
							cell->GetEventReceiver()->leftButtonDown.AttachMethod(this, &ItemContent::OnCellButtonDown);
							cell->GetEventReceiver()->rightButtonDown.AttachMethod(this, &ItemContent::OnCellButtonDown);
							cell->GetEventReceiver()->leftButtonUp.AttachMethod(this, &ItemContent::OnCellLeftButtonUp);
							cell->GetEventReceiver()->rightButtonUp.AttachMethod(this, &ItemContent::OnCellRightButtonUp);

							GuiBoundsComposition* composition=dataVisualizers[i]->GetBoundsComposition();
							composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
							cell->AddChild(composition);
						}
					}

					for(vint i=0;i<dataVisualizers.Count();i++)
					{
						IDataVisualizer* dataVisualizer=dataVisualizers[i].Obj();
						dataVisualizer->BeforeVisualizeCell(contentProvider->dataProvider, itemIndex, i);
						contentProvider->dataProvider->VisualizeCell(itemIndex, i, dataVisualizer);
					}

					GridPos selectedCell=contentProvider->GetSelectedCell();
					if(selectedCell.row==itemIndex)
					{
						NotifySelectCell(selectedCell.column);
					}
					else
					{
						NotifySelectCell(-1);
					}
					UpdateSubItemSize();
				}

				void DataGridContentProvider::ItemContent::Uninstall()
				{
					if(currentEditor)
					{
						contentProvider->CloseEditor(false);
					}
					currentEditor=0;
				}
				
/***********************************************************************
DataGridContentProvider
***********************************************************************/

				void DataGridContentProvider::OnColumnChanged()
				{
					vint count=listViewItemStyleProvider->GetCreatedItemStyles().Count();
					for(vint i=0;i<count;i++)
					{
						GuiListControl::IItemStyleController* itemStyleController=listViewItemStyleProvider->GetCreatedItemStyles().Get(i);
						ItemContent* itemContent=listViewItemStyleProvider->GetItemContent<ItemContent>(itemStyleController);
						if(itemContent)
						{
							itemContent->UpdateSubItemSize();
						}
					}
				}

				void DataGridContentProvider::OnAttached(GuiListControl::IItemProvider* provider)
				{
				}

				void DataGridContentProvider::OnItemModified(vint start, vint count, vint newCount)
				{
					if(!currentEditorRequestingSaveData)
					{
						CloseEditor(false);
					}
				}

				void DataGridContentProvider::NotifyCloseEditor()
				{
					if(listViewItemStyleProvider)
					{
						vint count=listViewItemStyleProvider->GetCreatedItemStyles().Count();
						for(vint i=0;i<count;i++)
						{
							GuiListControl::IItemStyleController* itemStyleController=listViewItemStyleProvider->GetCreatedItemStyles().Get(i);
							ItemContent* itemContent=listViewItemStyleProvider->GetItemContent<ItemContent>(itemStyleController);
							if(itemContent)
							{
								itemContent->NotifyCloseEditor();
							}
						}
					}
				}

				void DataGridContentProvider::NotifySelectCell(vint row, vint column)
				{
					currentCell=GridPos(row, column);
					dataGrid->NotifySelectedCellChanged();

					if(listViewItemStyleProvider)
					{
						GuiListControl::IItemStyleController* selectedStyleController=0;
						GuiListControl::IItemArranger* arranger=dataGrid->GetArranger();
						if(arranger)
						{
							selectedStyleController=arranger->GetVisibleStyle(row);
						}
						
						vint count=listViewItemStyleProvider->GetCreatedItemStyles().Count();
						for(vint i=0;i<count;i++)
						{
							GuiListControl::IItemStyleController* itemStyleController=listViewItemStyleProvider->GetCreatedItemStyles().Get(i);
							ItemContent* itemContent=listViewItemStyleProvider->GetItemContent<ItemContent>(itemStyleController);
							if(itemContent)
							{
								if(itemStyleController==selectedStyleController)
								{
									itemContent->NotifySelectCell(column);
								}
								else
								{
									itemContent->NotifySelectCell(-1);
								}
							}
						}
					}
				}

				void DataGridContentProvider::RequestSaveData()
				{
					if(currentEditor && !currentEditorOpening)
					{
						GuiControl* focusedControl = nullptr;
						if (auto controlHost = dataGrid->GetRelatedControlHost())
						{
							if (auto graphicsHost = controlHost->GetGraphicsHost())
							{
								if (auto focusComposition = graphicsHost->GetFocusedComposition())
								{
									focusedControl = focusComposition->GetRelatedControl();
								}
							}
						}

						currentEditorRequestingSaveData=true;
						dataProvider->SaveCellData(currentCell.row, currentCell.column, currentEditor.Obj());
						currentEditorRequestingSaveData=false;
						if(currentEditor)
						{
							GuiListControl::IItemArranger* arranger=dataGrid->GetArranger();
							if(!arranger) return;
							GuiListControl::IItemStyleController* styleController=arranger->GetVisibleStyle(currentCell.row);
							if(!styleController) return;
							ItemContent* itemContent=listViewItemStyleProvider->GetItemContent<ItemContent>(styleController);
							if(!itemContent) return;
							itemContent->ForceSetEditor(currentCell.column, currentEditor.Obj());
							currentEditor->ReinstallEditor();
							if (focusedControl)
							{
								focusedControl->SetFocus();
							}
						}
					}
				}

				IDataEditor* DataGridContentProvider::OpenEditor(vint row, vint column, IDataEditorFactory* editorFactory)
				{
					CloseEditor(true);
					NotifySelectCell(row, column);
					if(editorFactory)
					{
						currentEditorOpening=true;
						currentEditor=editorFactory->CreateEditor(this);
						currentEditor->BeforeEditCell(dataProvider, row, column);
						dataProvider->BeforeEditCell(row, column, currentEditor.Obj());
						currentEditorOpening=false;
					}
					return currentEditor.Obj();
				}

				void DataGridContentProvider::CloseEditor(bool forOpenNewEditor)
				{
					if(currentEditorRequestingSaveData)
					{
						NotifyCloseEditor();
					}
					else
					{
						if(currentCell!=GridPos(-1, -1))
						{
							if(currentEditor)
							{
								NotifyCloseEditor();
								currentEditor=0;
							}
							if(!forOpenNewEditor)
							{
								NotifySelectCell(-1, -1);
							}
						}
					}
				}

				DataGridContentProvider::DataGridContentProvider()
					:dataGrid(0)
					,itemProvider(0)
					,columnItemView(0)
					,dataProvider(0)
					,listViewItemStyleProvider(0)
					,currentCell(-1, -1)
					,currentEditorRequestingSaveData(false)
					,currentEditorOpening(false)
				{
				}

				DataGridContentProvider::~DataGridContentProvider()
				{
					CloseEditor(false);
				}

				compositions::IGuiAxis* DataGridContentProvider::CreatePreferredAxis()
				{
					return new GuiDefaultAxis;
				}

				GuiListControl::IItemArranger* DataGridContentProvider::CreatePreferredArranger()
				{
					return new ListViewColumnItemArranger;
				}

				ListViewItemStyleProvider::IListViewItemContent* DataGridContentProvider::CreateItemContent(const FontProperties& font)
				{
					return new ItemContent(this, font);
				}

				void DataGridContentProvider::AttachListControl(GuiListControl* value)
				{
					dataGrid=dynamic_cast<GuiVirtualDataGrid*>(value);
					listViewItemStyleProvider=dynamic_cast<ListViewItemStyleProvider*>(value->GetStyleProvider());
					itemProvider=value->GetItemProvider();
					itemProvider->AttachCallback(this);
					columnItemView=dynamic_cast<ListViewColumnItemArranger::IColumnItemView*>(itemProvider->RequestView(ListViewColumnItemArranger::IColumnItemView::Identifier));
					if(columnItemView)
					{
						columnItemView->AttachCallback(this);
					}
					dataProvider=dynamic_cast<IDataProvider*>(itemProvider->RequestView(IDataProvider::Identifier));
				}

				void DataGridContentProvider::DetachListControl()
				{
					dataProvider=0;
					if(columnItemView)
					{
						columnItemView->DetachCallback(this);
						itemProvider->ReleaseView(columnItemView);
						columnItemView=0;
					}
					itemProvider->DetachCallback(this);
					itemProvider=0;
					listViewItemStyleProvider=0;
				}

				GridPos DataGridContentProvider::GetSelectedCell()
				{
					return currentCell;
				}

				bool DataGridContentProvider::SetSelectedCell(const GridPos& value, bool openEditor)
				{
					if(currentCell!=value)
					{
						if(value==GridPos(-1, -1))
						{
							CloseEditor(false);
							return true;
						}
						else if(0<=value.row && value.row<dataProvider->GetRowCount() && 0<=value.column && value.column<dataProvider->GetColumnCount())
						{
							IDataEditorFactory* editorFactory=openEditor?dataProvider->GetCellDataEditorFactory(value.row, value.column):0;
							OpenEditor(value.row, value.column, editorFactory);
							return true;
						}
						return false;
					}
					return true;
				}
			}

/***********************************************************************
GuiVirtualDataGrid
***********************************************************************/

			using namespace list;

			void GuiVirtualDataGrid::OnColumnClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiItemEventArgs& arguments)
			{
				if(dataProvider->IsColumnSortable(arguments.itemIndex))
				{
					switch(itemProvider->GetSortingState(arguments.itemIndex))
					{
					case GuiListViewColumnHeader::NotSorted:
						itemProvider->SortByColumn(arguments.itemIndex, true);
						break;
					case GuiListViewColumnHeader::Ascending:
						itemProvider->SortByColumn(arguments.itemIndex, false);
						break;
					case GuiListViewColumnHeader::Descending:
						itemProvider->SortByColumn(-1);
						break;
					}
				}
			}

			void GuiVirtualDataGrid::Initialize()
			{
				itemProvider=dynamic_cast<DataGridItemProvider*>(GetItemProvider());
				dataProvider=itemProvider->GetDataProvider();
				structuredDataProvider=dataProvider.Cast<StructuredDataProvider>();

				ChangeItemStyle(new DataGridContentProvider);
				ColumnClicked.AttachMethod(this, &GuiVirtualDataGrid::OnColumnClicked);

				SelectedCellChanged.SetAssociatedComposition(GetBoundsComposition());
			}

			void GuiVirtualDataGrid::NotifySelectedCellChanged()
			{
				SelectedCellChanged.Execute(GetNotifyEventArguments());
			}

			GuiVirtualDataGrid::GuiVirtualDataGrid(IStyleProvider* _styleProvider, list::IDataProvider* _dataProvider)
				:GuiVirtualListView(_styleProvider, new DataGridItemProvider(_dataProvider))
			{
				Initialize();
			}

			GuiVirtualDataGrid::GuiVirtualDataGrid(IStyleProvider* _styleProvider, list::IStructuredDataProvider* _dataProvider)
				:GuiVirtualListView(_styleProvider, new DataGridItemProvider(new StructuredDataProvider(_dataProvider)))
				,itemProvider(0)
				,contentProvider(0)
			{
				Initialize();
			}

			GuiVirtualDataGrid::~GuiVirtualDataGrid()
			{
				SetSelectedCell(GridPos(-1, -1));
			}

			list::IDataProvider* GuiVirtualDataGrid::GetDataProvider()
			{
				return dataProvider.Obj();
			}

			list::StructuredDataProvider* GuiVirtualDataGrid::GetStructuredDataProvider()
			{
				return structuredDataProvider.Obj();
			}

			GridPos GuiVirtualDataGrid::GetSelectedCell()
			{
				return contentProvider->GetSelectedCell();
			}

			void GuiVirtualDataGrid::SetSelectedCell(const GridPos& value)
			{
				if(contentProvider->SetSelectedCell(value, false))
				{
					if(0<=value.row && value.row<dataProvider->GetRowCount())
					{
						EnsureItemVisible(value.row);
						ClearSelection();
						SetSelected(value.row, true);
					}
				}
			}

			Ptr<GuiListControl::IItemStyleProvider> GuiVirtualDataGrid::SetStyleProvider(Ptr<GuiListControl::IItemStyleProvider> value)
			{
				Ptr<list::ListViewItemStyleProvider> styleProvider=value.Cast<list::ListViewItemStyleProvider>();
				if(styleProvider)
				{
					list::DataGridContentProvider* dataGridContentProvider=dynamic_cast<list::DataGridContentProvider*>(styleProvider->GetItemContentProvider());
					if(dataGridContentProvider)
					{
						Ptr<GuiListControl::IItemStyleProvider> result=GuiVirtualListView::SetStyleProvider(value);
						if(result)
						{
							contentProvider=dataGridContentProvider;
							return result;
						}
					}
				}
				return 0;
			}

			bool GuiVirtualDataGrid::ChangeItemStyle(Ptr<list::ListViewItemStyleProvider::IListViewItemContentProvider> contentProvider)
			{
				if(contentProvider.Cast<list::DataGridContentProvider>())
				{
					return GuiVirtualListView::ChangeItemStyle(contentProvider);
				}
				else
				{
					return false;
				}
			}

			namespace list
			{

/***********************************************************************
StringGridDataVisualizer
***********************************************************************/

				StringGridDataVisualizer::StringGridDataVisualizer()
				{
				}

				void StringGridDataVisualizer::BeforeVisualizeCell(IDataProvider* dataProvider, vint row, vint column)
				{
					ListViewSubColumnDataVisualizer::BeforeVisualizeCell(dataProvider, row, column);
					text->SetColor(styleProvider->GetPrimaryTextColor());
				}

				void StringGridDataVisualizer::SetSelected(bool value)
				{
					ListViewSubColumnDataVisualizer::SetSelected(value);
					FontProperties font=text->GetFont();
					font.bold=value;
					text->SetFont(font);
				}

/***********************************************************************
StringGridProvider
***********************************************************************/

				StringGridColumn::StringGridColumn(StringGridProvider* _provider)
					:StrongTypedColumnProviderBase(_provider)
					,provider(_provider)
				{
				}

				StringGridColumn::~StringGridColumn()
				{
				}

				void StringGridColumn::GetCellData(const Ptr<StringGridItem>& rowData, WString& cellData)
				{
					vint index=provider->columns.IndexOf(this);
					if(0<=index && index<rowData->strings.Count())
					{
						cellData=rowData->strings[index];
					}
					else
					{
						cellData=L"";
					}
				}

				void StringGridColumn::SetCellData(const Ptr<StringGridItem>& rowData, const WString& cellData)
				{
					vint index=provider->columns.IndexOf(this);
					if(0<=index && index<rowData->strings.Count())
					{
						rowData->strings[index]=cellData;
					}
				}

				WString StringGridColumn::GetCellDataText(const WString& cellData)
				{
					return cellData;
				}

				void StringGridColumn::BeforeEditCell(vint row, IDataEditor* dataEditor)
				{
					TextBoxDataEditor* editor=dynamic_cast<TextBoxDataEditor*>(dataEditor);
					if(editor)
					{
						vint column=provider->columns.IndexOf(this);
						editor->GetTextBox()->SetText(provider->GetGridString(row, column));
						editor->GetTextBox()->SelectAll();
					}
				}

				void StringGridColumn::SaveCellData(vint row, IDataEditor* dataEditor)
				{
					TextBoxDataEditor* editor=dynamic_cast<TextBoxDataEditor*>(dataEditor);
					if(editor)
					{
						vint column=provider->columns.IndexOf(this);
						provider->SetGridString(row, column, editor->GetTextBox()->GetText());
					}
				}

/***********************************************************************
StringGridProvider
***********************************************************************/

				void StringGridProvider::GetRowData(vint row, Ptr<StringGridItem>& rowData)
				{
					rowData=items[row];
				}

				bool StringGridProvider::GetReadonly()
				{
					return readonly;
				}

				void StringGridProvider::SetReadonly(bool value)
				{
					if(readonly!=value)
					{
						readonly=value;
						FOREACH(Ptr<StructuredColummProviderBase>, column, columns)
						{
							column->SetEditorFactory(readonly ? nullptr : editorFactory);
						}
					}
				}

				StringGridProvider::StringGridProvider()
					:readonly(false)
				{
					visualizerFactory=new list::CellBorderDataVisualizer::Factory(new list::StringGridDataVisualizer::Factory);
					editorFactory=new list::TextBoxDataEditor::Factory;
				}

				StringGridProvider::~StringGridProvider()
				{
				}

				vint StringGridProvider::GetRowCount()
				{
					return items.Count();
				}

				vint StringGridProvider::GetColumnCount()
				{
					return columns.Count();
				}

				bool StringGridProvider::InsertRow(vint row)
				{
					if(row<0 || items.Count()<row) return false;
					Ptr<StringGridItem> item=new StringGridItem;
					for(vint i=0;i<columns.Count();i++)
					{
						item->strings.Add(L"");
					}
					items.Insert(row, item);
					commandExecutor->OnDataProviderItemModified(row, 0, 1);
					return true;
				}

				vint StringGridProvider::AppendRow()
				{
					InsertRow(items.Count());
					return items.Count()-1;
				}

				bool StringGridProvider::MoveRow(vint source, vint target)
				{
					if(source<0 || items.Count()<=source) return false;
					if(target<0 || items.Count()<=target) return false;
					Ptr<StringGridItem> item=items[source];
					items.RemoveAt(source);
					commandExecutor->OnDataProviderItemModified(source, 1, 0);
					items.Insert(target, item);
					commandExecutor->OnDataProviderItemModified(target, 0, 1);
					return true;
				}

				bool StringGridProvider::RemoveRow(vint row)
				{
					if(row<0 || items.Count()<=row) return false;
					items.RemoveAt(row);
					commandExecutor->OnDataProviderItemModified(row, 1, 0);
					return true;
				}

				bool StringGridProvider::ClearRows()
				{
					vint oldCount=items.Count();
					items.Clear();
					commandExecutor->OnDataProviderItemModified(0, oldCount, 0);
					return true;
				}

				WString StringGridProvider::GetGridString(vint row, vint column)
				{
					if(row<0 || items.Count()<=row) return L"";
					if(column<0 || columns.Count()<=column) return L"";
					return items[row]->strings[column];
				}

				bool StringGridProvider::SetGridString(vint row, vint column, const WString& value)
				{
					if(row<0 || items.Count()<=row) return false;
					if(column<0 || columns.Count()<=column) return false;
					items[row]->strings[column]=value;
					commandExecutor->OnDataProviderItemModified(row, 1, 1);
					return true;
				}

				bool StringGridProvider::InsertColumn(vint column, const WString& text, vint size)
				{
					Ptr<StringGridColumn> columnProvider=new StringGridColumn(this);
					columnProvider->SetText(text);
					columnProvider->SetSize(size);
					columnProvider->SetVisualizerFactory(visualizerFactory);
					columnProvider->SetEditorFactory(readonly ? nullptr : editorFactory);
					if(!InsertColumnInternal(column, columnProvider, false)) return false;

					FOREACH(Ptr<StringGridItem>, item, items)
					{
						item->strings.Insert(column, L"");
					}
					if(commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
					return true;
				}

				vint StringGridProvider::AppendColumn(const WString& text, vint size)
				{
					InsertColumn(columns.Count(), text, size);
					return columns.Count()-1;
				}

				bool StringGridProvider::MoveColumn(vint source, vint target)
				{
					if(source<0 || columns.Count()<=source) return false;
					if(target<0 || columns.Count()<=target) return false;
					Ptr<StringGridColumn> columnProvider=columns[source].Cast<StringGridColumn>();
					columns.RemoveAt(source);
					columns.Insert(target, columnProvider);

					FOREACH(Ptr<StringGridItem>, item, items)
					{
						WString text=item->strings[source];
						item->strings.RemoveAt(source);
						item->strings.Insert(target, text);
					}
					if(commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
					return true;
				}

				bool StringGridProvider::RemoveColumn(vint column)
				{
					if(column<0 || columns.Count()<=column) return false;
					Ptr<StringGridColumn> columnProvider=columns[column].Cast<StringGridColumn>();
					if(!RemoveColumnInternal(columnProvider, false)) return false;

					FOREACH(Ptr<StringGridItem>, item, items)
					{
						item->strings.RemoveAt(column);
					}
					if(commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
					return true;
				}

				bool StringGridProvider::ClearColumns()
				{
					if(!ClearColumnsInternal(false)) return false;

					FOREACH(Ptr<StringGridItem>, item, items)
					{
						item->strings.Clear();
					}
					if(commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
					return true;
				}

				WString StringGridProvider::GetColumnText(vint column)
				{
					if(column<0 || columns.Count()<=column) return L"";
					return columns[column]->GetText();
				}

				bool StringGridProvider::SetColumnText(vint column, const WString& value)
				{
					if(column<0 || columns.Count()<=column) return false;
					columns[column]->SetText(value);
					return true;
				}
			}

/***********************************************************************
GuiStringGrid
***********************************************************************/

			GuiStringGrid::GuiStringGrid(IStyleProvider* _styleProvider)
				:GuiVirtualDataGrid(_styleProvider, grids=new list::StringGridProvider)
			{
			}

			GuiStringGrid::~GuiStringGrid()
			{
			}

			list::StringGridProvider& GuiStringGrid::Grids()
			{
				return *grids;
			}

			bool GuiStringGrid::GetReadonly()
			{
				return grids->GetReadonly();
			}

			void GuiStringGrid::SetReadonly(bool value)
			{
				SetSelectedCell(GridPos(-1, -1));
				grids->SetReadonly(value);
			}
		}
	}
}

/***********************************************************************
CONTROLS\LISTCONTROLPACKAGE\GUIDATAGRIDEXTENSIONS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			namespace list
			{
				using namespace compositions;
				using namespace elements;
				using namespace theme;
				
/***********************************************************************
DataVisualizerBase
***********************************************************************/

				DataVisualizerBase::DataVisualizerBase(Ptr<IDataVisualizer> _decoratedDataVisualizer)
					:factory(0)
					,styleProvider(0)
					,boundsComposition(0)
					,decoratedDataVisualizer(_decoratedDataVisualizer)
				{
				}

				DataVisualizerBase::~DataVisualizerBase()
				{
					if(decoratedDataVisualizer)
					{
						GuiBoundsComposition* composition=decoratedDataVisualizer->GetBoundsComposition();
						if(composition->GetParent())
						{
							composition->GetParent()->RemoveChild(composition);
						}
						decoratedDataVisualizer=0;
					}
					if(boundsComposition)
					{
						SafeDeleteComposition(boundsComposition);
					}
				}

				IDataVisualizerFactory* DataVisualizerBase::GetFactory()
				{
					return factory;
				}

				compositions::GuiBoundsComposition* DataVisualizerBase::GetBoundsComposition()
				{
					if(!boundsComposition)
					{
						GuiBoundsComposition* decoratedComposition=0;
						if(decoratedDataVisualizer)
						{
							decoratedComposition=decoratedDataVisualizer->GetBoundsComposition();
						}
						boundsComposition=CreateBoundsCompositionInternal(decoratedComposition);
					}
					return boundsComposition;
				}

				void DataVisualizerBase::BeforeVisualizeCell(IDataProvider* dataProvider, vint row, vint column)
				{
					if(decoratedDataVisualizer)
					{
						decoratedDataVisualizer->BeforeVisualizeCell(dataProvider, row, column);
					}
				}

				IDataVisualizer* DataVisualizerBase::GetDecoratedDataVisualizer()
				{
					return decoratedDataVisualizer.Obj();
				}

				void DataVisualizerBase::SetSelected(bool value)
				{
					if(decoratedDataVisualizer)
					{
						decoratedDataVisualizer->SetSelected(value);
					}
				}
				
/***********************************************************************
DataEditorBase
***********************************************************************/

				DataEditorBase::DataEditorBase()
					:factory(0)
					,callback(0)
					,boundsComposition(0)
				{
				}

				DataEditorBase::~DataEditorBase()
				{
					if(boundsComposition)
					{
						SafeDeleteComposition(boundsComposition);
					}
				}

				IDataEditorFactory* DataEditorBase::GetFactory()
				{
					return factory;
				}

				compositions::GuiBoundsComposition* DataEditorBase::GetBoundsComposition()
				{
					if(!boundsComposition)
					{
						boundsComposition=CreateBoundsCompositionInternal();
					}
					return boundsComposition;
				}

				void DataEditorBase::BeforeEditCell(IDataProvider* dataProvider, vint row, vint column)
				{
				}

				void DataEditorBase::ReinstallEditor()
				{
				}
				
/***********************************************************************
ListViewMainColumnDataVisualizer
***********************************************************************/

				compositions::GuiBoundsComposition* ListViewMainColumnDataVisualizer::CreateBoundsCompositionInternal(compositions::GuiBoundsComposition* decoratedComposition)
				{
					GuiTableComposition* table=new GuiTableComposition;
					table->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					table->SetRowsAndColumns(3, 2);
					table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
					table->SetRowOption(1, GuiCellOption::MinSizeOption());
					table->SetRowOption(2, GuiCellOption::PercentageOption(0.5));
					table->SetColumnOption(0, GuiCellOption::MinSizeOption());
					table->SetColumnOption(1, GuiCellOption::PercentageOption(1.0));
					table->SetCellPadding(2);
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(1, 0, 1, 1);
						cell->SetPreferredMinSize(Size(16, 16));

						image=GuiImageFrameElement::Create();
						image->SetStretch(true);
						cell->SetOwnedElement(image);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 3, 1);
						cell->SetMargin(Margin(0, 0, 8, 0));

						text=GuiSolidLabelElement::Create();
						cell->SetOwnedElement(text);
					}
					return table;
				}

				ListViewMainColumnDataVisualizer::ListViewMainColumnDataVisualizer()
					:image(0)
					,text(0)
				{
				}

				void ListViewMainColumnDataVisualizer::BeforeVisualizeCell(IDataProvider* dataProvider, vint row, vint column)
				{
					DataVisualizerBase::BeforeVisualizeCell(dataProvider, row, column);

					Ptr<GuiImageData> imageData=dataProvider->GetRowSmallImage(row);
					if(imageData)
					{
						image->SetImage(imageData->GetImage(), imageData->GetFrameIndex());
					}
					else
					{
						image->SetImage(0);
					}

					text->SetAlignments(Alignment::Left, Alignment::Center);
					text->SetFont(font);
					text->SetColor(styleProvider->GetPrimaryTextColor());
					text->SetEllipse(true);
					text->SetText(dataProvider->GetCellText(row, column));
				}

				elements::GuiSolidLabelElement* ListViewMainColumnDataVisualizer::GetTextElement()
				{
					return text;
				}
				
/***********************************************************************
ListViewSubColumnDataVisualizer
***********************************************************************/

				compositions::GuiBoundsComposition* ListViewSubColumnDataVisualizer::CreateBoundsCompositionInternal(compositions::GuiBoundsComposition* decoratedComposition)
				{
					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					composition->SetMargin(Margin(8, 0, 8, 0));

					text=GuiSolidLabelElement::Create();
					composition->SetOwnedElement(text);

					return composition;
				}

				ListViewSubColumnDataVisualizer::ListViewSubColumnDataVisualizer()
					:text(0)
				{
				}

				void ListViewSubColumnDataVisualizer::BeforeVisualizeCell(IDataProvider* dataProvider, vint row, vint column)
				{
					DataVisualizerBase::BeforeVisualizeCell(dataProvider, row, column);

					text->SetAlignments(Alignment::Left, Alignment::Center);
					text->SetFont(font);
					text->SetColor(styleProvider->GetSecondaryTextColor());
					text->SetEllipse(true);
					text->SetText(dataProvider->GetCellText(row, column));
				}

				elements::GuiSolidLabelElement* ListViewSubColumnDataVisualizer::GetTextElement()
				{
					return text;
				}
				
/***********************************************************************
HyperlinkDataVisualizer
***********************************************************************/

				void HyperlinkDataVisualizer::label_MouseEnter(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
				{
					FontProperties font=text->GetFont();
					font.underline=true;
					text->SetFont(font);
				}

				void HyperlinkDataVisualizer::label_MouseLeave(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
				{
					FontProperties font=text->GetFont();
					font.underline=false;
					text->SetFont(font);
				}

				compositions::GuiBoundsComposition* HyperlinkDataVisualizer::CreateBoundsCompositionInternal(compositions::GuiBoundsComposition* decoratedComposition)
				{
					GuiBoundsComposition* composition=ListViewSubColumnDataVisualizer::CreateBoundsCompositionInternal(decoratedComposition);
					composition->GetEventReceiver()->mouseEnter.AttachMethod(this, &HyperlinkDataVisualizer::label_MouseEnter);
					composition->GetEventReceiver()->mouseLeave.AttachMethod(this, &HyperlinkDataVisualizer::label_MouseLeave);
					composition->SetAssociatedCursor(GetCurrentController()->ResourceService()->GetSystemCursor(INativeCursor::Hand));
					return composition;
				}

				HyperlinkDataVisualizer::HyperlinkDataVisualizer()
				{
				}

				void HyperlinkDataVisualizer::BeforeVisualizeCell(IDataProvider* dataProvider, vint row, vint column)
				{
					ListViewSubColumnDataVisualizer::BeforeVisualizeCell(dataProvider, row, column);
					text->SetColor(Color(0, 0, 255));
				}
				
/***********************************************************************
ImageDataVisualizer
***********************************************************************/

				compositions::GuiBoundsComposition* ImageDataVisualizer::CreateBoundsCompositionInternal(compositions::GuiBoundsComposition* decoratedComposition)
				{
					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					composition->SetMargin(Margin(2, 2, 2, 2));

					image=GuiImageFrameElement::Create();
					composition->SetOwnedElement(image);
					return composition;
				}

				ImageDataVisualizer::ImageDataVisualizer()
					:image(0)
				{
				}

				void ImageDataVisualizer::BeforeVisualizeCell(IDataProvider* dataProvider, vint row, vint column)
				{
					DataVisualizerBase::BeforeVisualizeCell(dataProvider, row, column);

					image->SetImage(0, -1);
					image->SetAlignments(Alignment::Center, Alignment::Center);
					image->SetStretch(false);
					image->SetEnabled(true);
				}

				elements::GuiImageFrameElement* ImageDataVisualizer::GetImageElement()
				{
					return image;
				}
				
/***********************************************************************
CellBorderDataVisualizer
***********************************************************************/

				compositions::GuiBoundsComposition* CellBorderDataVisualizer::CreateBoundsCompositionInternal(compositions::GuiBoundsComposition* decoratedComposition)
				{
					GuiBoundsComposition* border1=0;
					GuiBoundsComposition* border2=0;
					{
						GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
						element->SetColor(styleProvider->GetItemSeparatorColor());

						border1=new GuiBoundsComposition;
						border1->SetOwnedElement(element);
						border1->SetAlignmentToParent(Margin(-1, 0, 0, 0));
					}
					{
						GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
						element->SetColor(styleProvider->GetItemSeparatorColor());

						border2=new GuiBoundsComposition;
						border2->SetOwnedElement(element);
						border2->SetAlignmentToParent(Margin(0, -1, 0, 0));
					}
					decoratedComposition->SetAlignmentToParent(Margin(0, 0, 1, 1));

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					composition->AddChild(border1);
					composition->AddChild(border2);
					composition->AddChild(decoratedComposition);

					return composition;
				}

				CellBorderDataVisualizer::CellBorderDataVisualizer(Ptr<IDataVisualizer> decoratedDataVisualizer)
					:DataVisualizerBase(decoratedDataVisualizer)
				{
				}
				
/***********************************************************************
NotifyIconDataVisualizer
***********************************************************************/

				compositions::GuiBoundsComposition* NotifyIconDataVisualizer::CreateBoundsCompositionInternal(compositions::GuiBoundsComposition* decoratedComposition)
				{
					GuiTableComposition* table=new GuiTableComposition;
					table->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					table->SetRowsAndColumns(1, 3);
					table->SetRowOption(0, GuiCellOption::MinSizeOption());
					table->SetColumnOption(0, GuiCellOption::MinSizeOption());
					table->SetColumnOption(1, GuiCellOption::PercentageOption(1.0));
					table->SetColumnOption(2, GuiCellOption::MinSizeOption());
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 0, 1, 1);
						cell->SetInternalMargin(Margin(2, 2, 0, 2));

						leftImage=GuiImageFrameElement::Create();
						cell->SetOwnedElement(leftImage);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 1, 1);

						decoratedComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
						cell->AddChild(decoratedComposition);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 2, 1, 1);
						cell->SetInternalMargin(Margin(0, 2, 2, 2));

						rightImage=GuiImageFrameElement::Create();
						cell->SetOwnedElement(rightImage);
					}
					return table;
				}

				NotifyIconDataVisualizer::NotifyIconDataVisualizer(Ptr<IDataVisualizer> decoratedDataVisualizer)
					:DataVisualizerBase(decoratedDataVisualizer)
					,leftImage(0)
					,rightImage(0)
				{
				}

				void NotifyIconDataVisualizer::BeforeVisualizeCell(IDataProvider* dataProvider, vint row, vint column)
				{
					DataVisualizerBase::BeforeVisualizeCell(dataProvider, row, column);

					leftImage->SetImage(0, -1);
					leftImage->SetAlignments(Alignment::Center, Alignment::Center);
					leftImage->SetStretch(false);
					leftImage->SetEnabled(true);

					rightImage->SetImage(0, -1);
					rightImage->SetAlignments(Alignment::Center, Alignment::Center);
					rightImage->SetStretch(false);
					rightImage->SetEnabled(true);
				}

				elements::GuiImageFrameElement* NotifyIconDataVisualizer::GetLeftImageElement()
				{
					return leftImage;
				}

				elements::GuiImageFrameElement* NotifyIconDataVisualizer::GetRightImageElement()
				{
					return rightImage;
				}
				
/***********************************************************************
TextBoxDataEditor
***********************************************************************/

				void TextBoxDataEditor::OnTextChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
				{
					callback->RequestSaveData();
				}

				compositions::GuiBoundsComposition* TextBoxDataEditor::CreateBoundsCompositionInternal()
				{
					return textBox->GetBoundsComposition();
				}

				TextBoxDataEditor::TextBoxDataEditor()
				{
					textBox=g::NewTextBox();
					textBox->TextChanged.AttachMethod(this, &TextBoxDataEditor::OnTextChanged);
				}

				void TextBoxDataEditor::BeforeEditCell(IDataProvider* dataProvider, vint row, vint column)
				{
					DataEditorBase::BeforeEditCell(dataProvider, row, column);
					textBox->SetText(L"");
					GetApplication()->InvokeInMainThread([this]()
					{
						textBox->SetFocus();
					});
				}

				GuiSinglelineTextBox* TextBoxDataEditor::GetTextBox()
				{
					return textBox;
				}
				
/***********************************************************************
TextComboBoxDataEditor
***********************************************************************/

				void TextComboBoxDataEditor::OnSelectedIndexChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
				{
					callback->RequestSaveData();
				}

				compositions::GuiBoundsComposition* TextComboBoxDataEditor::CreateBoundsCompositionInternal()
				{
					return comboBox->GetBoundsComposition();
				}

				TextComboBoxDataEditor::TextComboBoxDataEditor()
				{
					textList=g::NewTextList();
					comboBox=g::NewComboBox(textList);
					comboBox->SelectedIndexChanged.AttachMethod(this, &TextComboBoxDataEditor::OnSelectedIndexChanged);
				}

				void TextComboBoxDataEditor::BeforeEditCell(IDataProvider* dataProvider, vint row, vint column)
				{
					DataEditorBase::BeforeEditCell(dataProvider, row, column);
					textList->GetItems().Clear();
				}

				GuiComboBoxListControl* TextComboBoxDataEditor::GetComboBoxControl()
				{
					return comboBox;
				}

				GuiTextList* TextComboBoxDataEditor::GetTextListControl()
				{
					return textList;
				}
				
/***********************************************************************
DateComboBoxDataEditor
***********************************************************************/

				void DateComboBoxDataEditor::OnSelectedDateChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
				{
					callback->RequestSaveData();
				}

				compositions::GuiBoundsComposition* DateComboBoxDataEditor::CreateBoundsCompositionInternal()
				{
					return comboBox->GetBoundsComposition();
				}

				DateComboBoxDataEditor::DateComboBoxDataEditor()
				{
					comboBox=g::NewDateComboBox();
					comboBox->SelectedDateChanged.AttachMethod(this, &DateComboBoxDataEditor::OnSelectedDateChanged);
				}

				void DateComboBoxDataEditor::BeforeEditCell(IDataProvider* dataProvider, vint row, vint column)
				{
					DataEditorBase::BeforeEditCell(dataProvider, row, column);
					comboBox->SetSelectedDate(DateTime::LocalTime());
				}

				GuiDateComboBox* DateComboBoxDataEditor::GetComboBoxControl()
				{
					return comboBox;
				}

				GuiDatePicker* DateComboBoxDataEditor::GetDatePickerControl()
				{
					return comboBox->GetDatePicker();
				}
			}
		}
	}
}

/***********************************************************************
CONTROLS\LISTCONTROLPACKAGE\GUIDATAGRIDSTRUCTURED.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			namespace list
			{
				using namespace collections;
				
/***********************************************************************
StructuredDataFilterBase
***********************************************************************/

				void StructuredDataFilterBase::InvokeOnFilterChanged()
				{
					if(commandExecutor)
					{
						commandExecutor->OnFilterChanged();
					}
				}

				StructuredDataFilterBase::StructuredDataFilterBase()
					:commandExecutor(0)
				{
				}

				void StructuredDataFilterBase::SetCommandExecutor(IStructuredDataFilterCommandExecutor* value)
				{
					commandExecutor=value;
				}
				
/***********************************************************************
StructuredDataMultipleFilter
***********************************************************************/

				StructuredDataMultipleFilter::StructuredDataMultipleFilter()
				{
				}

				bool StructuredDataMultipleFilter::AddSubFilter(Ptr<IStructuredDataFilter> value)
				{
					if(!value) return false;
					if(filters.Contains(value.Obj())) return false;
					filters.Add(value);
					value->SetCommandExecutor(commandExecutor);
					InvokeOnFilterChanged();
					return true;
				}

				bool StructuredDataMultipleFilter::RemoveSubFilter(Ptr<IStructuredDataFilter> value)
				{
					if(!value) return false;
					if(!filters.Contains(value.Obj())) return false;
					value->SetCommandExecutor(0);
					filters.Remove(value.Obj());
					InvokeOnFilterChanged();
					return true;
				}

				void StructuredDataMultipleFilter::SetCommandExecutor(IStructuredDataFilterCommandExecutor* value)
				{
					StructuredDataFilterBase::SetCommandExecutor(value);
					for(vint i=0;i<filters.Count();i++)
					{
						filters[i]->SetCommandExecutor(value);
					}
				}
				
/***********************************************************************
StructuredDataAndFilter
***********************************************************************/

				StructuredDataAndFilter::StructuredDataAndFilter()
				{
				}

				bool StructuredDataAndFilter::Filter(vint row)
				{
					return From(filters)
						.All([row](Ptr<IStructuredDataFilter> filter)
						{
							return filter->Filter(row);
						});
				}
				
/***********************************************************************
StructuredDataOrFilter
***********************************************************************/
				
				StructuredDataOrFilter::StructuredDataOrFilter()
				{
				}

				bool StructuredDataOrFilter::Filter(vint row)
				{
					return From(filters)
						.Any([row](Ptr<IStructuredDataFilter> filter)
						{
							return filter->Filter(row);
						});
				}
				
/***********************************************************************
StructuredDataNotFilter
***********************************************************************/
				
				StructuredDataNotFilter::StructuredDataNotFilter()
				{
				}

				bool StructuredDataNotFilter::SetSubFilter(Ptr<IStructuredDataFilter> value)
				{
					if(filter==value) return false;
					if(filter)
					{
						filter->SetCommandExecutor(0);
					}
					filter=value;
					if(filter)
					{
						filter->SetCommandExecutor(commandExecutor);
					}
					InvokeOnFilterChanged();
					return true;
				}

				void StructuredDataNotFilter::SetCommandExecutor(IStructuredDataFilterCommandExecutor* value)
				{
					StructuredDataFilterBase::SetCommandExecutor(value);
					if(filter)
					{
						filter->SetCommandExecutor(value);
					}
				}

				bool StructuredDataNotFilter::Filter(vint row)
				{
					return filter?true:!filter->Filter(row);
				}
				
/***********************************************************************
StructuredDataMultipleSorter
***********************************************************************/

				StructuredDataMultipleSorter::StructuredDataMultipleSorter()
				{
				}

				bool StructuredDataMultipleSorter::SetLeftSorter(Ptr<IStructuredDataSorter> value)
				{
					if(leftSorter==value) return false;
					leftSorter=value;
					return true;
				}

				bool StructuredDataMultipleSorter::SetRightSorter(Ptr<IStructuredDataSorter> value)
				{
					if(rightSorter==value) return false;
					rightSorter=value;
					return true;
				}

				vint StructuredDataMultipleSorter::Compare(vint row1, vint row2)
				{
					if(leftSorter)
					{
						vint result=leftSorter->Compare(row1, row2);
						if(result!=0) return result;
					}
					if(rightSorter)
					{
						vint result=rightSorter->Compare(row1, row2);
						if(result!=0) return result;
					}
					return 0;
				}
				
/***********************************************************************
StructuredDataReverseSorter
***********************************************************************/

				StructuredDataReverseSorter::StructuredDataReverseSorter()
				{
				}

				bool StructuredDataReverseSorter::SetSubSorter(Ptr<IStructuredDataSorter> value)
				{
					if(sorter==value) return false;
					sorter=value;
					return true;
				}

				vint StructuredDataReverseSorter::Compare(vint row1, vint row2)
				{
					return sorter?-sorter->Compare(row1, row2):0;
				}
				
/***********************************************************************
StructuredDataProvider
***********************************************************************/

				void StructuredDataProvider::OnDataProviderColumnChanged()
				{
					vint oldRowCount=GetRowCount();
					RebuildFilter(true);
					ReorderRows(true);
				}

				void StructuredDataProvider::OnDataProviderItemModified(vint start, vint count, vint newCount)
				{
					// optimized for cell editing
					if(!currentSorter && !currentFilter)
					{
						if(count!=newCount)
						{
							ReorderRows(false);
						}
						commandExecutor->OnDataProviderItemModified(start, count, newCount);
					}
					else
					{
						ReorderRows(true);
					}
				}

				void StructuredDataProvider::OnFilterChanged()
				{
					ReorderRows(true);
					if(commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
				}

				void StructuredDataProvider::RebuildFilter(bool invokeCallback)
				{
					if(currentFilter)
					{
						currentFilter->SetCommandExecutor(0);
						currentFilter=0;
					}

					List<Ptr<IStructuredDataFilter>> selectedFilters;
					CopyFrom(
						selectedFilters,
						Range<vint>(0, GetColumnCount())
							.Select([this](vint column){return structuredDataProvider->GetColumn(column)->GetInherentFilter();})
							.Where([](Ptr<IStructuredDataFilter> filter){return (bool)filter;})
						);
					if(additionalFilter)
					{
						selectedFilters.Add(additionalFilter);
					}
					if(selectedFilters.Count()>0)
					{
						Ptr<StructuredDataAndFilter> andFilter=new StructuredDataAndFilter;
						FOREACH(Ptr<IStructuredDataFilter>, filter, selectedFilters)
						{
							andFilter->AddSubFilter(filter);
						}
						currentFilter=andFilter;
					}

					if(currentFilter)
					{
						currentFilter->SetCommandExecutor(this);
					}

					if(invokeCallback && commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
				}

				void StructuredDataProvider::ReorderRows(bool invokeCallback)
				{
					vint oldRowCount=reorderedRows.Count();
					reorderedRows.Clear();
					vint rowCount=structuredDataProvider->GetRowCount();

					if(currentFilter)
					{
						for(vint i=0;i<rowCount;i++)
						{
							if(currentFilter->Filter(i))
							{
								reorderedRows.Add(i);
							}
						}
					}
					else
					{
						for(vint i=0;i<rowCount;i++)
						{
							reorderedRows.Add(i);
						}
					}

					if(currentSorter && reorderedRows.Count()>0)
					{
						IStructuredDataSorter* sorter=currentSorter.Obj();
						SortLambda(&reorderedRows[0], reorderedRows.Count(), [sorter](vint a, vint b){return sorter->Compare(a, b);});
					}

					if(invokeCallback && commandExecutor)
					{
						commandExecutor->OnDataProviderItemModified(0, oldRowCount, GetRowCount());
					}
				}

				vint StructuredDataProvider::TranslateRowNumber(vint row)
				{
					return reorderedRows[row];
				}

				Ptr<IStructuredDataProvider> StructuredDataProvider::GetStructuredDataProvider()
				{
					return structuredDataProvider;
				}

				Ptr<IStructuredDataFilter> StructuredDataProvider::GetAdditionalFilter()
				{
					return additionalFilter;
				}

				void StructuredDataProvider::SetAdditionalFilter(Ptr<IStructuredDataFilter> value)
				{
					additionalFilter=value;
					RebuildFilter(true);
					ReorderRows(true);
				}

				StructuredDataProvider::StructuredDataProvider(Ptr<IStructuredDataProvider> provider)
					:structuredDataProvider(provider)
					,commandExecutor(0)
				{
					structuredDataProvider->SetCommandExecutor(this);
					RebuildFilter(false);
					ReorderRows(false);
				}

				StructuredDataProvider::~StructuredDataProvider()
				{
				}

				void StructuredDataProvider::SetCommandExecutor(IDataProviderCommandExecutor* value)
				{
					commandExecutor=value;
				}

				vint StructuredDataProvider::GetColumnCount()
				{
					return structuredDataProvider->GetColumnCount();
				}

				WString StructuredDataProvider::GetColumnText(vint column)
				{
					return structuredDataProvider->GetColumn(column)->GetText();
				}

				vint StructuredDataProvider::GetColumnSize(vint column)
				{
					return structuredDataProvider->GetColumn(column)->GetSize();
				}

				void StructuredDataProvider::SetColumnSize(vint column, vint value)
				{
					structuredDataProvider->GetColumn(column)->SetSize(value);
				}

				GuiMenu* StructuredDataProvider::GetColumnPopup(vint column)
				{
					return structuredDataProvider->GetColumn(column)->GetPopup();
				}

				bool StructuredDataProvider::IsColumnSortable(vint column)
				{
					return structuredDataProvider->GetColumn(column)->GetInherentSorter();
				}

				void StructuredDataProvider::SortByColumn(vint column, bool ascending)
				{
					if(0<=column && column<structuredDataProvider->GetColumnCount())
					{
						Ptr<IStructuredDataSorter> sorter=structuredDataProvider->GetColumn(column)->GetInherentSorter();
						if(!sorter)
						{
							currentSorter=0;
						}
						else if(ascending)
						{
							currentSorter=sorter;
						}
						else
						{
							Ptr<StructuredDataReverseSorter> reverseSorter=new StructuredDataReverseSorter();
							reverseSorter->SetSubSorter(sorter);
							currentSorter=reverseSorter;
						}
					}
					else
					{
						currentSorter=0;
					}
					for(vint i=0;i<structuredDataProvider->GetColumnCount();i++)
					{
						structuredDataProvider->GetColumn(i)->SetSortingState(
							i!=column?GuiListViewColumnHeader::NotSorted:
							ascending?GuiListViewColumnHeader::Ascending:
							GuiListViewColumnHeader::Descending
							);
					}
					ReorderRows(true);
					if(commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
				}

				vint StructuredDataProvider::GetSortedColumn()
				{
					for(vint i=0;i<structuredDataProvider->GetColumnCount();i++)
					{
						GuiListViewColumnHeader::ColumnSortingState state=structuredDataProvider->GetColumn(i)->GetSortingState();
						if(state!=GuiListViewColumnHeader::NotSorted)
						{
							return i;
						}
					}
					return -1;
				}

				bool StructuredDataProvider::IsSortOrderAscending()
				{
					for(vint i=0;i<structuredDataProvider->GetColumnCount();i++)
					{
						GuiListViewColumnHeader::ColumnSortingState state=structuredDataProvider->GetColumn(i)->GetSortingState();
						if(state!=GuiListViewColumnHeader::NotSorted)
						{
							return state==GuiListViewColumnHeader::Ascending;
						}
					}
					return true;
				}
					
				vint StructuredDataProvider::GetRowCount()
				{
					return reorderedRows.Count();
				}

				Ptr<GuiImageData> StructuredDataProvider::GetRowLargeImage(vint row)
				{
					return structuredDataProvider->GetRowLargeImage(TranslateRowNumber(row));
				}

				Ptr<GuiImageData> StructuredDataProvider::GetRowSmallImage(vint row)
				{
					return structuredDataProvider->GetRowSmallImage(TranslateRowNumber(row));
				}

				vint StructuredDataProvider::GetCellSpan(vint row, vint column)
				{
					return 1;
				}

				WString StructuredDataProvider::GetCellText(vint row, vint column)
				{
					return structuredDataProvider->GetColumn(column)->GetCellText(TranslateRowNumber(row));
				}

				IDataVisualizerFactory* StructuredDataProvider::GetCellDataVisualizerFactory(vint row, vint column)
				{
					return structuredDataProvider->GetColumn(column)->GetCellDataVisualizerFactory(TranslateRowNumber(row));
				}

				void StructuredDataProvider::VisualizeCell(vint row, vint column, IDataVisualizer* dataVisualizer)
				{
					structuredDataProvider->GetColumn(column)->VisualizeCell(TranslateRowNumber(row), dataVisualizer);
				}

				IDataEditorFactory* StructuredDataProvider::GetCellDataEditorFactory(vint row, vint column)
				{
					return structuredDataProvider->GetColumn(column)->GetCellDataEditorFactory(TranslateRowNumber(row));
				}

				void StructuredDataProvider::BeforeEditCell(vint row, vint column, IDataEditor* dataEditor)
				{
					structuredDataProvider->GetColumn(column)->BeforeEditCell(TranslateRowNumber(row), dataEditor);
				}

				void StructuredDataProvider::SaveCellData(vint row, vint column, IDataEditor* dataEditor)
				{
					structuredDataProvider->GetColumn(column)->SaveCellData(TranslateRowNumber(row), dataEditor);
				}
				
/***********************************************************************
StructuredColummProviderBase
***********************************************************************/

				StructuredColummProviderBase::StructuredColummProviderBase()
					:commandExecutor(0)
					,size(0)
					,sortingState(GuiListViewColumnHeader::NotSorted)
					,popup(0)
				{
				}

				StructuredColummProviderBase::~StructuredColummProviderBase()
				{
				}
					
				void StructuredColummProviderBase::SetCommandExecutor(IDataProviderCommandExecutor* value)
				{
					commandExecutor=value;
				}

				StructuredColummProviderBase* StructuredColummProviderBase::SetText(const WString& value)
				{
					text=value;
					if(commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
					return this;
				}

				StructuredColummProviderBase* StructuredColummProviderBase::SetPopup(GuiMenu* value)
				{
					popup=value;
					if(commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
					return this;
				}

				StructuredColummProviderBase* StructuredColummProviderBase::SetInherentFilter(Ptr<IStructuredDataFilter> value)
				{
					inherentFilter=value;
					if(commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
					return this;
				}

				StructuredColummProviderBase* StructuredColummProviderBase::SetInherentSorter(Ptr<IStructuredDataSorter> value)
				{
					inherentSorter=value;
					if(commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
					return this;
				}

				Ptr<IDataVisualizerFactory> StructuredColummProviderBase::GetVisualizerFactory()
				{
					return visualizerFactory;
				}

				StructuredColummProviderBase* StructuredColummProviderBase::SetVisualizerFactory(Ptr<IDataVisualizerFactory> value)
				{
					visualizerFactory=value;
					return this;
				}

				Ptr<IDataEditorFactory> StructuredColummProviderBase::GetEditorFactory()
				{
					return editorFactory;
				}

				StructuredColummProviderBase* StructuredColummProviderBase::SetEditorFactory(Ptr<IDataEditorFactory> value)
				{
					editorFactory=value;
					return this;
				}

				WString StructuredColummProviderBase::GetText()
				{
					return text;
				}

				vint StructuredColummProviderBase::GetSize()
				{
					return size;
				}

				void StructuredColummProviderBase::SetSize(vint value)
				{
					size=value;
				}

				GuiListViewColumnHeader::ColumnSortingState StructuredColummProviderBase::GetSortingState()
				{
					return sortingState;
				}

				void StructuredColummProviderBase::SetSortingState(GuiListViewColumnHeader::ColumnSortingState value)
				{
					sortingState=value;
				}

				GuiMenu* StructuredColummProviderBase::GetPopup()
				{
					return popup;
				}

				Ptr<IStructuredDataFilter> StructuredColummProviderBase::GetInherentFilter()
				{
					return inherentFilter;
				}

				Ptr<IStructuredDataSorter> StructuredColummProviderBase::GetInherentSorter()
				{
					return inherentSorter;
				}
					
				IDataVisualizerFactory* StructuredColummProviderBase::GetCellDataVisualizerFactory(vint row)
				{
					return visualizerFactory.Obj();
				}

				void StructuredColummProviderBase::VisualizeCell(vint row, IDataVisualizer* dataVisualizer)
				{
				}

				IDataEditorFactory* StructuredColummProviderBase::GetCellDataEditorFactory(vint row)
				{
					return editorFactory.Obj();
				}

				void StructuredColummProviderBase::BeforeEditCell(vint row, IDataEditor* dataEditor)
				{
				}

				void StructuredColummProviderBase::SaveCellData(vint row, IDataEditor* dataEditor)
				{
				}
				
/***********************************************************************
StructuredDataProviderBase
***********************************************************************/

				bool StructuredDataProviderBase::InsertColumnInternal(vint column, Ptr<StructuredColummProviderBase> value, bool callback)
				{
					if(column<0 || columns.Count()<column) return false;
					if(columns.Contains(value.Obj())) return false;
					columns.Insert(column, value);
					value->SetCommandExecutor(commandExecutor);
					if(callback && commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
					return true;
				}

				bool StructuredDataProviderBase::AddColumnInternal(Ptr<StructuredColummProviderBase> value, bool callback)
				{
					return InsertColumnInternal(columns.Count(), value, callback);
				}

				bool StructuredDataProviderBase::RemoveColumnInternal(Ptr<StructuredColummProviderBase> value, bool callback)
				{
					if(!columns.Contains(value.Obj())) return false;
					value->SetCommandExecutor(0);
					columns.Remove(value.Obj());
					if(callback && commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
					return true;
				}

				bool StructuredDataProviderBase::ClearColumnsInternal(bool callback)
				{
					FOREACH(Ptr<StructuredColummProviderBase>, column, columns)
					{
						column->SetCommandExecutor(0);
					}
					columns.Clear();
					if(callback && commandExecutor)
					{
						commandExecutor->OnDataProviderColumnChanged();
					}
					return true;
				}

				StructuredDataProviderBase::StructuredDataProviderBase()
					:commandExecutor(0)
				{
				}

				StructuredDataProviderBase::~StructuredDataProviderBase()
				{
				}

				void StructuredDataProviderBase::SetCommandExecutor(IDataProviderCommandExecutor* value)
				{
					commandExecutor=value;
					FOREACH(Ptr<StructuredColummProviderBase>, column, columns)
					{
						column->SetCommandExecutor(commandExecutor);
					}
				}

				vint StructuredDataProviderBase::GetColumnCount()
				{
					return columns.Count();
				}

				IStructuredColumnProvider* StructuredDataProviderBase::GetColumn(vint column)
				{
					return columns[column].Obj();
				}

				Ptr<GuiImageData> StructuredDataProviderBase::GetRowLargeImage(vint row)
				{
					return 0;
				}

				Ptr<GuiImageData> StructuredDataProviderBase::GetRowSmallImage(vint row)
				{
					return 0;
				}
			}
		}
	}
}

/***********************************************************************
CONTROLS\LISTCONTROLPACKAGE\GUILISTCONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;

			const wchar_t* const GuiListControl::IItemPrimaryTextView::Identifier = L"vl::presnetation::controls::GuiListControl::IItemPrimaryTextView";
			const wchar_t* const GuiListControl::IItemBindingView::Identifier = L"vl::presnetation::controls::GuiListControl::IItemBindingView";

/***********************************************************************
GuiListControl::ItemCallback
***********************************************************************/

			GuiListControl::ItemCallback::ItemCallback(GuiListControl* _listControl)
				:listControl(_listControl)
			{
			}

			GuiListControl::ItemCallback::~ItemCallback()
			{
				ClearCache();
			}

			void GuiListControl::ItemCallback::ClearCache()
			{
				for(vint i=0;i<cachedStyles.Count();i++)
				{
					listControl->itemStyleProvider->DestroyItemStyle(cachedStyles[i]);
				}
				for(vint i=0;i<installedStyles.Count();i++)
				{
					listControl->itemStyleProvider->DestroyItemStyle(installedStyles[i]);
				}
				cachedStyles.Clear();
				installedStyles.Clear();
			}

			void GuiListControl::ItemCallback::OnAttached(IItemProvider* provider)
			{
			}

			void GuiListControl::ItemCallback::OnItemModified(vint start, vint count, vint newCount)
			{
				listControl->OnItemModified(start, count, newCount);
			}

			GuiListControl::IItemStyleController* GuiListControl::ItemCallback::RequestItem(vint itemIndex)
			{
				vint id=listControl->itemStyleProvider->GetItemStyleId(itemIndex);
				IItemStyleController* style=0;
				for(vint i=0;i<cachedStyles.Count();i++)
				{
					IItemStyleController* cachedStyle=cachedStyles[i];
					if(cachedStyle->GetItemStyleId()==id)
					{
						style=cachedStyle;
						cachedStyles.RemoveAt(i);
						break;
					}
				}
				if(!style)
				{
					style=listControl->itemStyleProvider->CreateItemStyle(id);
				}
				listControl->itemStyleProvider->Install(style, itemIndex);
				style->OnInstalled();
				installedStyles.Add(style);
				listControl->GetContainerComposition()->AddChild(style->GetBoundsComposition());
				listControl->OnStyleInstalled(itemIndex, style);
				return style;
			}

			void GuiListControl::ItemCallback::ReleaseItem(IItemStyleController* style)
			{
				vint index=installedStyles.IndexOf(style);
				if(index!=-1)
				{
					listControl->OnStyleUninstalled(style);
					listControl->GetContainerComposition()->RemoveChild(style->GetBoundsComposition());
					installedStyles.RemoveAt(index);
					style->OnUninstalled();
					if(style->IsCacheable())
					{
						cachedStyles.Add(style);
					}
					else
					{
						listControl->itemStyleProvider->DestroyItemStyle(style);
					}
				}
			}

			void GuiListControl::ItemCallback::SetViewLocation(Point value)
			{
				Rect virtualRect(value, listControl->GetViewSize());
				Rect realRect=listControl->axis->VirtualRectToRealRect(listControl->fullSize, virtualRect);
				listControl->GetHorizontalScroll()->SetPosition(realRect.Left());
				listControl->GetVerticalScroll()->SetPosition(realRect.Top());
			}

			Size GuiListControl::ItemCallback::GetStylePreferredSize(IItemStyleController* style)
			{
				Size size=style->GetBoundsComposition()->GetPreferredBounds().GetSize();
				return listControl->axis->RealSizeToVirtualSize(size);
			}

			void GuiListControl::ItemCallback::SetStyleAlignmentToParent(IItemStyleController* style, Margin margin)
			{
				Margin newMargin=listControl->axis->VirtualMarginToRealMargin(margin);
				style->GetBoundsComposition()->SetAlignmentToParent(newMargin);
			}

			Rect GuiListControl::ItemCallback::GetStyleBounds(IItemStyleController* style)
			{
				Rect bounds=style->GetBoundsComposition()->GetBounds();
				return listControl->axis->RealRectToVirtualRect(listControl->GetViewSize(), bounds);
			}

			void GuiListControl::ItemCallback::SetStyleBounds(IItemStyleController* style, Rect bounds)
			{
				Rect newBounds=listControl->axis->VirtualRectToRealRect(listControl->GetViewSize(), bounds);
				return style->GetBoundsComposition()->SetBounds(newBounds);
			}

			compositions::GuiGraphicsComposition* GuiListControl::ItemCallback::GetContainerComposition()
			{
				return listControl->GetContainerComposition();
			}

			void GuiListControl::ItemCallback::OnTotalSizeChanged()
			{
				listControl->CalculateView();
			}

/***********************************************************************
GuiListControl
***********************************************************************/

			void GuiListControl::OnItemModified(vint start, vint count, vint newCount)
			{
			}

			void GuiListControl::OnStyleInstalled(vint itemIndex, IItemStyleController* style)
			{
				AttachItemEvents(style);
			}

			void GuiListControl::OnStyleUninstalled(IItemStyleController* style)
			{
				DetachItemEvents(style);
			}

			void GuiListControl::OnRenderTargetChanged(elements::IGuiGraphicsRenderTarget* renderTarget)
			{
				SetStyleProviderAndArranger(itemStyleProvider, itemArranger);
				GuiScrollView::OnRenderTargetChanged(renderTarget);
			}

			void GuiListControl::OnBeforeReleaseGraphicsHost()
			{
				GuiScrollView::OnBeforeReleaseGraphicsHost();
				SetStyleProviderAndArranger(0, 0);
			}

			Size GuiListControl::QueryFullSize()
			{
				Size virtualSize=itemArranger?itemArranger->GetTotalSize():Size(0, 0);
				fullSize=axis->VirtualSizeToRealSize(virtualSize);
				return fullSize;
			}

			void GuiListControl::UpdateView(Rect viewBounds)
			{
				if(itemArranger)
				{
					Rect newBounds=axis->RealRectToVirtualRect(fullSize, viewBounds);
					itemArranger->OnViewChanged(newBounds);
				}
			}

			void GuiListControl::OnBoundsMouseButtonDown(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(GetVisuallyEnabled())
				{
					boundsComposition->GetRelatedGraphicsHost()->SetFocus(boundsComposition);
				}
			}

			void GuiListControl::SetStyleProviderAndArranger(Ptr<IItemStyleProvider> styleProvider, Ptr<IItemArranger> arranger)
			{
				if(itemStyleProvider)
				{
					itemStyleProvider->DetachListControl();
				}
				if(itemArranger)
				{
					itemArranger->DetachListControl();
					itemArranger->SetCallback(0);
					itemProvider->DetachCallback(itemArranger.Obj());
				}
				callback->ClearCache();

				itemStyleProvider=styleProvider;
				itemArranger=arranger;
				GetVerticalScroll()->SetPosition(0);
				GetHorizontalScroll()->SetPosition(0);

				if(itemStyleProvider)
				{
					itemStyleProvider->AttachListControl(this);
				}
				if(itemArranger)
				{
					itemProvider->AttachCallback(itemArranger.Obj());
					itemArranger->SetCallback(callback.Obj());
					itemArranger->AttachListControl(this);
				}
				CalculateView();
			}

			void GuiListControl::OnItemMouseEvent(compositions::GuiItemMouseEvent& itemEvent, IItemStyleController* style, compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(itemArranger && GetVisuallyEnabled())
				{
					vint itemIndex=itemArranger->GetVisibleIndex(style);
					if(itemIndex!=-1)
					{
						GuiItemMouseEventArgs redirectArguments;
						(GuiMouseEventArgs&)redirectArguments=arguments;
						redirectArguments.compositionSource=GetBoundsComposition();
						redirectArguments.eventSource=GetBoundsComposition();
						redirectArguments.itemIndex=itemIndex;
						itemEvent.Execute(redirectArguments);
						arguments=redirectArguments;
					}
				}
			}

			void GuiListControl::OnItemNotifyEvent(compositions::GuiItemNotifyEvent& itemEvent, IItemStyleController* style, compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(itemArranger && GetVisuallyEnabled())
				{
					vint itemIndex=itemArranger->GetVisibleIndex(style);
					if(itemIndex!=-1)
					{
						GuiItemEventArgs redirectArguments;
						(GuiEventArgs&)redirectArguments=arguments;
						redirectArguments.compositionSource=GetBoundsComposition();
						redirectArguments.eventSource=GetBoundsComposition();
						redirectArguments.itemIndex=itemIndex;
						itemEvent.Execute(redirectArguments);
						arguments=redirectArguments;
					}
				}
			}

#define ATTACH_ITEM_MOUSE_EVENT(EVENTNAME, ITEMEVENTNAME)\
					{\
						Func<void(GuiItemMouseEvent&, IItemStyleController*, GuiGraphicsComposition*, GuiMouseEventArgs&)> func(this, &GuiListControl::OnItemMouseEvent);\
						helper->EVENTNAME##Handler=style->GetBoundsComposition()->GetEventReceiver()->EVENTNAME.AttachFunction(\
							Curry(Curry(func)(ITEMEVENTNAME))(style)\
							);\
					}\

#define ATTACH_ITEM_NOTIFY_EVENT(EVENTNAME, ITEMEVENTNAME)\
					{\
						Func<void(GuiItemNotifyEvent&, IItemStyleController*, GuiGraphicsComposition*, GuiEventArgs&)> func(this, &GuiListControl::OnItemNotifyEvent);\
						helper->EVENTNAME##Handler=style->GetBoundsComposition()->GetEventReceiver()->EVENTNAME.AttachFunction(\
							Curry(Curry(func)(ITEMEVENTNAME))(style)\
							);\
					}\

			void GuiListControl::AttachItemEvents(IItemStyleController* style)
			{
				vint index=visibleStyles.Keys().IndexOf(style);
				if(index==-1)
				{
					Ptr<VisibleStyleHelper> helper=new VisibleStyleHelper;
					visibleStyles.Add(style, helper);

					ATTACH_ITEM_MOUSE_EVENT(leftButtonDown, ItemLeftButtonDown);
					ATTACH_ITEM_MOUSE_EVENT(leftButtonUp, ItemLeftButtonUp);
					ATTACH_ITEM_MOUSE_EVENT(leftButtonDoubleClick, ItemLeftButtonDoubleClick);
					ATTACH_ITEM_MOUSE_EVENT(middleButtonDown, ItemMiddleButtonDown);
					ATTACH_ITEM_MOUSE_EVENT(middleButtonUp, ItemMiddleButtonUp);
					ATTACH_ITEM_MOUSE_EVENT(middleButtonDoubleClick, ItemMiddleButtonDoubleClick);
					ATTACH_ITEM_MOUSE_EVENT(rightButtonDown, ItemRightButtonDown);
					ATTACH_ITEM_MOUSE_EVENT(rightButtonUp, ItemRightButtonUp);
					ATTACH_ITEM_MOUSE_EVENT(rightButtonDoubleClick, ItemRightButtonDoubleClick);
					ATTACH_ITEM_MOUSE_EVENT(mouseMove, ItemMouseMove);
					ATTACH_ITEM_NOTIFY_EVENT(mouseEnter, ItemMouseEnter);
					ATTACH_ITEM_NOTIFY_EVENT(mouseLeave, ItemMouseLeave);
				}
			}

#undef ATTACH_ITEM_MOUSE_EVENT
#undef ATTACH_ITEM_NOTIFY_EVENT

#define DETACH_ITEM_EVENT(EVENTNAME) style->GetBoundsComposition()->GetEventReceiver()->EVENTNAME.Detach(helper->EVENTNAME##Handler)

			void GuiListControl::DetachItemEvents(IItemStyleController* style)
			{
				vint index=visibleStyles.Keys().IndexOf(style);
				if(index!=-1)
				{
					Ptr<VisibleStyleHelper> helper=visibleStyles.Values().Get(index);
					visibleStyles.Remove(style);
					
					DETACH_ITEM_EVENT(leftButtonDown);
					DETACH_ITEM_EVENT(leftButtonUp);
					DETACH_ITEM_EVENT(leftButtonDoubleClick);
					DETACH_ITEM_EVENT(middleButtonDown);
					DETACH_ITEM_EVENT(middleButtonUp);
					DETACH_ITEM_EVENT(middleButtonDoubleClick);
					DETACH_ITEM_EVENT(rightButtonDown);
					DETACH_ITEM_EVENT(rightButtonUp);
					DETACH_ITEM_EVENT(rightButtonDoubleClick);
					DETACH_ITEM_EVENT(mouseMove);
					DETACH_ITEM_EVENT(mouseEnter);
					DETACH_ITEM_EVENT(mouseLeave);
				}
			}

#undef DETACH_ITEM_EVENT

			GuiListControl::GuiListControl(IStyleProvider* _styleProvider, IItemProvider* _itemProvider, bool acceptFocus)
				:GuiScrollView(_styleProvider)
				,itemProvider(_itemProvider)
			{
				StyleProviderChanged.SetAssociatedComposition(boundsComposition);
				ArrangerChanged.SetAssociatedComposition(boundsComposition);
				AxisChanged.SetAssociatedComposition(boundsComposition);
				
				ItemLeftButtonDown.SetAssociatedComposition(boundsComposition);
				ItemLeftButtonUp.SetAssociatedComposition(boundsComposition);
				ItemLeftButtonDoubleClick.SetAssociatedComposition(boundsComposition);
				ItemMiddleButtonDown.SetAssociatedComposition(boundsComposition);
				ItemMiddleButtonUp.SetAssociatedComposition(boundsComposition);
				ItemMiddleButtonDoubleClick.SetAssociatedComposition(boundsComposition);
				ItemRightButtonDown.SetAssociatedComposition(boundsComposition);
				ItemRightButtonUp.SetAssociatedComposition(boundsComposition);
				ItemRightButtonDoubleClick.SetAssociatedComposition(boundsComposition);
				ItemMouseMove.SetAssociatedComposition(boundsComposition);
				ItemMouseEnter.SetAssociatedComposition(boundsComposition);
				ItemMouseLeave.SetAssociatedComposition(boundsComposition);

				callback=new ItemCallback(this);
				itemProvider->AttachCallback(callback.Obj());
				axis=new GuiDefaultAxis;

				if(acceptFocus)
				{
					boundsComposition->GetEventReceiver()->leftButtonDown.AttachMethod(this, &GuiListControl::OnBoundsMouseButtonDown);
					boundsComposition->GetEventReceiver()->middleButtonDown.AttachMethod(this, &GuiListControl::OnBoundsMouseButtonDown);
					boundsComposition->GetEventReceiver()->rightButtonDown.AttachMethod(this, &GuiListControl::OnBoundsMouseButtonDown);
					SetFocusableComposition(boundsComposition);
				}
			}

			GuiListControl::~GuiListControl()
			{
				if(itemArranger)
				{
					itemProvider->DetachCallback(itemArranger.Obj());
				}
				callback->ClearCache();
				itemStyleProvider=0;
				itemArranger=0;
			}

			GuiListControl::IItemProvider* GuiListControl::GetItemProvider()
			{
				return itemProvider.Obj();
			}

			GuiListControl::IItemStyleProvider* GuiListControl::GetStyleProvider()
			{
				return itemStyleProvider.Obj();
			}

			Ptr<GuiListControl::IItemStyleProvider> GuiListControl::SetStyleProvider(Ptr<IItemStyleProvider> value)
			{
				Ptr<IItemStyleProvider> old=itemStyleProvider;
				SetStyleProviderAndArranger(value, itemArranger);
				StyleProviderChanged.Execute(GetNotifyEventArguments());
				return old;
			}

			GuiListControl::IItemArranger* GuiListControl::GetArranger()
			{
				return itemArranger.Obj();
			}

			Ptr<GuiListControl::IItemArranger> GuiListControl::SetArranger(Ptr<IItemArranger> value)
			{
				Ptr<IItemArranger> old=itemArranger;
				SetStyleProviderAndArranger(itemStyleProvider, value);
				ArrangerChanged.Execute(GetNotifyEventArguments());
				return old;
			}

			compositions::IGuiAxis* GuiListControl::GetAxis()
			{
				return axis.Obj();
			}

			Ptr<compositions::IGuiAxis> GuiListControl::SetAxis(Ptr<compositions::IGuiAxis> value)
			{
				Ptr<IGuiAxis> old=axis;
				axis=value;
				SetStyleProviderAndArranger(itemStyleProvider, itemArranger);
				AxisChanged.Execute(GetNotifyEventArguments());
				return old;
			}

			bool GuiListControl::EnsureItemVisible(vint itemIndex)
			{
				if(itemIndex<0 || itemIndex>=itemProvider->Count())
				{
					return false;
				}
				return itemArranger?itemArranger->EnsureItemVisible(itemIndex):false;
			}

			Size GuiListControl::GetAdoptedSize(Size expectedSize)
			{
				if (itemArranger)
				{
					Size controlSize = GetBoundsComposition()->GetBounds().GetSize();
					Size viewSize = GetContainerComposition()->GetBounds().GetSize();
					vint x = controlSize.x - viewSize.x;
					vint y = controlSize.y - viewSize.y;

					Size expectedViewSize(expectedSize.x - x, expectedSize.y - y);
					if (axis)
					{
						expectedViewSize = axis->RealSizeToVirtualSize(expectedViewSize);
					}
					Size adoptedViewSize = itemArranger->GetAdoptedSize(expectedViewSize);
					if (axis)
					{
						adoptedViewSize = axis->VirtualSizeToRealSize(adoptedViewSize);
					}
					return Size(adoptedViewSize.x + x, adoptedViewSize.y + y);
				}
				return expectedSize;
			}

/***********************************************************************
GuiSelectableListControl
***********************************************************************/

			void GuiSelectableListControl::OnItemModified(vint start, vint count, vint newCount)
			{
				GuiListControl::OnItemModified(start, count, newCount);
				if(count!=newCount)
				{
					ClearSelection();
				}
			}

			void GuiSelectableListControl::OnStyleInstalled(vint itemIndex, IItemStyleController* style)
			{
				GuiListControl::OnStyleInstalled(itemIndex, style);
				selectableStyleProvider->SetStyleSelected(style, selectedItems.Contains(itemIndex));
			}

			void GuiSelectableListControl::OnStyleUninstalled(IItemStyleController* style)
			{
				GuiListControl::OnStyleUninstalled(style);
			}

			void GuiSelectableListControl::OnItemSelectionChanged(vint itemIndex, bool value)
			{
				GuiListControl::IItemStyleController* style=itemArranger->GetVisibleStyle(itemIndex);
				if(style)
				{
					selectableStyleProvider->SetStyleSelected(style, value);
				}
			}

			void GuiSelectableListControl::OnItemSelectionCleared()
			{
				for(vint i=0;i<visibleStyles.Count();i++)
				{
					selectableStyleProvider->SetStyleSelected(visibleStyles.Keys()[i], false);
				}
			}

			void GuiSelectableListControl::OnItemLeftButtonDown(compositions::GuiGraphicsComposition* sender, compositions::GuiItemMouseEventArgs& arguments)
			{
				if(GetVisuallyEnabled())
				{
					SelectItemsByClick(arguments.itemIndex, arguments.ctrl, arguments.shift, true);
				}
			}

			void GuiSelectableListControl::OnItemRightButtonDown(compositions::GuiGraphicsComposition* sender, compositions::GuiItemMouseEventArgs& arguments)
			{
				if(GetVisuallyEnabled())
				{
					SelectItemsByClick(arguments.itemIndex, arguments.ctrl, arguments.shift, false);
				}
			}

			void GuiSelectableListControl::NormalizeSelectedItemIndexStartEnd()
			{
				if(selectedItemIndexStart<0 || selectedItemIndexStart>=itemProvider->Count())
				{
					selectedItemIndexStart=0;
				}
				if(selectedItemIndexEnd<0 || selectedItemIndexEnd>=itemProvider->Count())
				{
					selectedItemIndexEnd=0;
				}
			}

			void GuiSelectableListControl::SetMultipleItemsSelectedSilently(vint start, vint end, bool selected)
			{
				if(start>end)
				{
					vint temp=start;
					start=end;
					end=temp;
				}
				vint count=itemProvider->Count();
				if(start<0) start=0;
				if(end>=count) end=count-1;
				for(vint i=start;i<=end;i++)
				{
					if(selected)
					{
						if(!selectedItems.Contains(i))
						{
							selectedItems.Add(i);
						}
					}
					else
					{
						selectedItems.Remove(i);
					}
					OnItemSelectionChanged(i, selected);
				}
			}

			void GuiSelectableListControl::OnKeyDown(compositions::GuiGraphicsComposition* sender, compositions::GuiKeyEventArgs& arguments)
			{
				if(GetVisuallyEnabled())
				{
					if(SelectItemsByKey(arguments.code, arguments.ctrl, arguments.shift))
					{
						arguments.handled=true;
					}
				}
			}

			GuiSelectableListControl::GuiSelectableListControl(IStyleProvider* _styleProvider, IItemProvider* _itemProvider)
				:GuiListControl(_styleProvider, _itemProvider, true)
				,multiSelect(false)
				,selectedItemIndexStart(-1)
				,selectedItemIndexEnd(-1)
			{
				SelectionChanged.SetAssociatedComposition(boundsComposition);
				ItemLeftButtonDown.AttachMethod(this, &GuiSelectableListControl::OnItemLeftButtonDown);
				ItemRightButtonDown.AttachMethod(this, &GuiSelectableListControl::OnItemRightButtonDown);
				if(focusableComposition)
				{
					focusableComposition->GetEventReceiver()->keyDown.AttachMethod(this, &GuiSelectableListControl::OnKeyDown);
				}
			}

			GuiSelectableListControl::~GuiSelectableListControl()
			{
			}

			Ptr<GuiListControl::IItemStyleProvider> GuiSelectableListControl::SetStyleProvider(Ptr<GuiListControl::IItemStyleProvider> value)
			{
				selectableStyleProvider = value ? value.Cast<IItemStyleProvider>() : nullptr;
				return GuiListControl::SetStyleProvider(value);
			}

			bool GuiSelectableListControl::GetMultiSelect()
			{
				return multiSelect;
			}

			void GuiSelectableListControl::SetMultiSelect(bool value)
			{
				if(multiSelect!=value)
				{
					multiSelect=value;
					ClearSelection();
				}
			}

			const collections::SortedList<vint>& GuiSelectableListControl::GetSelectedItems()
			{
				return selectedItems;
			}

			vint GuiSelectableListControl::GetSelectedItemIndex()
			{
				return selectedItems.Count() == 1 ? selectedItems[0] : -1;
			}

			WString GuiSelectableListControl::GetSelectedItemText()
			{
				vint index = GetSelectedItemIndex();
				if (index != -1)
				{
					if (auto view = dynamic_cast<IItemPrimaryTextView*>(itemProvider->RequestView(IItemPrimaryTextView::Identifier)))
					{
						WString result = view->GetPrimaryTextViewText(index);
						itemProvider->ReleaseView(view);
						return result;
					}
				}
				return L"";
			}

			bool GuiSelectableListControl::GetSelected(vint itemIndex)
			{
				return selectedItems.Contains(itemIndex);
			}

			void GuiSelectableListControl::SetSelected(vint itemIndex, bool value)
			{
				if(value)
				{
					if(!selectedItems.Contains(itemIndex))
					{
						if(!multiSelect)
						{
							selectedItems.Clear();
							OnItemSelectionCleared();
						}
						selectedItems.Add(itemIndex);
						OnItemSelectionChanged(itemIndex, value);
						SelectionChanged.Execute(GetNotifyEventArguments());
					}
				}
				else
				{
					if(selectedItems.Remove(itemIndex))
					{
						OnItemSelectionChanged(itemIndex, value);
						SelectionChanged.Execute(GetNotifyEventArguments());
					}
				}
			}

			bool GuiSelectableListControl::SelectItemsByClick(vint itemIndex, bool ctrl, bool shift, bool leftButton)
			{
				NormalizeSelectedItemIndexStartEnd();
				if(0<=itemIndex && itemIndex<itemProvider->Count())
				{
					if(!leftButton)
					{
						if(selectedItems.Contains(itemIndex))
						{
							return true;
						}
					}
					if(!multiSelect)
					{
						shift=false;
						ctrl=false;
					}
					if(shift)
					{
						if(!ctrl)
						{
							SetMultipleItemsSelectedSilently(selectedItemIndexStart, selectedItemIndexEnd, false);
						}
						selectedItemIndexEnd=itemIndex;
						SetMultipleItemsSelectedSilently(selectedItemIndexStart, selectedItemIndexEnd, true);
						SelectionChanged.Execute(GetNotifyEventArguments());
					}
					else
					{
						if(ctrl)
						{
							vint index=selectedItems.IndexOf(itemIndex);
							if(index==-1)
							{
								selectedItems.Add(itemIndex);
							}
							else
							{
								selectedItems.RemoveAt(index);
							}
							OnItemSelectionChanged(itemIndex, index==-1);
							SelectionChanged.Execute(GetNotifyEventArguments());
						}
						else
						{
							selectedItems.Clear();
							OnItemSelectionCleared();
							selectedItems.Add(itemIndex);
							OnItemSelectionChanged(itemIndex, true);
							SelectionChanged.Execute(GetNotifyEventArguments());
						}
						selectedItemIndexStart=itemIndex;
						selectedItemIndexEnd=itemIndex;
					}
					return true;
				}
				return false;
			}

			bool GuiSelectableListControl::SelectItemsByKey(vint code, bool ctrl, bool shift)
			{
				if(!GetArranger()) return false;

				NormalizeSelectedItemIndexStartEnd();
				KeyDirection keyDirection=KeyDirection::Up;
				switch(code)
				{
				case VKEY_UP:
					keyDirection=KeyDirection::Up;
					break;
				case VKEY_DOWN:
					keyDirection=KeyDirection::Down;
					break;
				case VKEY_LEFT:
					keyDirection=KeyDirection::Left;
					break;
				case VKEY_RIGHT:
					keyDirection=KeyDirection::Right;
					break;
				case VKEY_HOME:
					keyDirection=KeyDirection::Home;
					break;
				case VKEY_END:
					keyDirection=KeyDirection::End;
					break;
				case VKEY_PRIOR:
					keyDirection=KeyDirection::PageUp;
					break;
				case VKEY_NEXT:
					keyDirection=KeyDirection::PageDown;
					break;
				default:
					return false;
				}

				if(GetAxis())
				{
					keyDirection=GetAxis()->RealKeyDirectionToVirtualKeyDirection(keyDirection);
				}
				vint itemIndex=GetArranger()->FindItem(selectedItemIndexEnd, keyDirection);
				if(SelectItemsByClick(itemIndex, ctrl, shift, true))
				{
					return EnsureItemVisible(itemIndex);
				}
				else
				{
					return false;
				}
			}

			void GuiSelectableListControl::ClearSelection()
			{
				if(selectedItems.Count()>0)
				{
					selectedItems.Clear();
					OnItemSelectionCleared();
					SelectionChanged.Execute(GetNotifyEventArguments());
				}
			}

			namespace list
			{

/***********************************************************************
RangedItemArrangerBase
***********************************************************************/

				void RangedItemArrangerBase::InvalidateAdoptedSize()
				{
					if (listControl)
					{
						listControl->AdoptedSizeInvalidated.Execute(listControl->GetNotifyEventArguments());
					}
				}

				vint RangedItemArrangerBase::CalculateAdoptedSize(vint expectedSize, vint count, vint itemSize)
				{
					vint visibleCount = expectedSize / itemSize;
					if (count < visibleCount)
					{
						visibleCount = count;
					}
					else if (count > visibleCount)
					{
						vint deltaA = expectedSize - count * itemSize;
						vint deltaB = itemSize - deltaA;
						if (deltaB < deltaA)
						{
							visibleCount++;
						}
					}
					return visibleCount * itemSize;
				}

				void RangedItemArrangerBase::ClearStyles()
				{
					startIndex=0;
					if(callback)
					{
						for(vint i=0;i<visibleStyles.Count();i++)
						{
							GuiListControl::IItemStyleController* style=visibleStyles[i];
							callback->ReleaseItem(style);
						}
					}
					visibleStyles.Clear();
					viewBounds=Rect(0, 0, 0, 0);
					OnStylesCleared();
				}

				RangedItemArrangerBase::RangedItemArrangerBase()
					:listControl(0)
					,callback(0)
					,startIndex(0)
				{
				}

				RangedItemArrangerBase::~RangedItemArrangerBase()
				{
				}

				void RangedItemArrangerBase::OnAttached(GuiListControl::IItemProvider* provider)
				{
					itemProvider=provider;
					if(provider)
					{
						OnItemModified(0, 0, provider->Count());
					}
				}

				void RangedItemArrangerBase::OnItemModified(vint start, vint count, vint newCount)
				{
					if(callback)
					{
						vint visibleCount=visibleStyles.Count();
						vint itemCount=itemProvider->Count();
						SortedList<GuiListControl::IItemStyleController*> reusedStyles;
						for(vint i=0;i<visibleCount;i++)
						{
							vint index=startIndex+i;
							if(index>=itemCount)
							{
								break;
							}

							vint oldIndex=-1;
							if(index<start)
							{
								oldIndex=index;
							}
							else if(index>=start+newCount)
							{
								oldIndex=index-newCount+count;
							}

							if(oldIndex!=-1)
							{
								if(oldIndex>=startIndex && oldIndex<startIndex+visibleCount)
								{
									GuiListControl::IItemStyleController* style=visibleStyles[oldIndex-startIndex];
									reusedStyles.Add(style);
									visibleStyles.Add(style);
								}
								else
								{
									oldIndex=-1;
								}
							}
							if(oldIndex==-1)
							{
								GuiListControl::IItemStyleController* style=callback->RequestItem(index);
								visibleStyles.Add(style);
							}
						}

						for(vint i=0;i<visibleCount;i++)
						{
							GuiListControl::IItemStyleController* style=visibleStyles[i];
							if(!reusedStyles.Contains(style))
							{
								callback->ReleaseItem(style);
							}
						}

						visibleStyles.RemoveRange(0, visibleCount);
						if (listControl && listControl->GetStyleProvider())
						{
							for (vint i = 0; i < visibleStyles.Count(); i++)
							{
								listControl->GetStyleProvider()->SetStyleIndex(visibleStyles[i], startIndex + i);
							}
						}

						callback->OnTotalSizeChanged();
						callback->SetViewLocation(viewBounds.LeftTop());
						InvalidateAdoptedSize();
					}
				}

				void RangedItemArrangerBase::AttachListControl(GuiListControl* value)
				{
					listControl = value;
					InvalidateAdoptedSize();
				}

				void RangedItemArrangerBase::DetachListControl()
				{
					listControl = 0;
				}

				GuiListControl::IItemArrangerCallback* RangedItemArrangerBase::GetCallback()
				{
					return callback;
				}

				void RangedItemArrangerBase::SetCallback(GuiListControl::IItemArrangerCallback* value)
				{
					if(!value)
					{
						ClearStyles();
					}
					callback=value;
				}

				Size RangedItemArrangerBase::GetTotalSize()
				{
					return OnCalculateTotalSize();
				}

				GuiListControl::IItemStyleController* RangedItemArrangerBase::GetVisibleStyle(vint itemIndex)
				{
					if(startIndex<=itemIndex && itemIndex<startIndex+visibleStyles.Count())
					{
						return visibleStyles[itemIndex-startIndex];
					}
					else
					{
						return 0;
					}
				}

				vint RangedItemArrangerBase::GetVisibleIndex(GuiListControl::IItemStyleController* style)
				{
					vint index=visibleStyles.IndexOf(style);
					return index==-1?-1:index+startIndex;
				}

				void RangedItemArrangerBase::OnViewChanged(Rect bounds)
				{
					Rect oldBounds=viewBounds;
					viewBounds=bounds;
					if(callback)
					{
						OnViewChangedInternal(oldBounds, viewBounds);
					}
				}

/***********************************************************************
FixedHeightItemArranger
***********************************************************************/

				void FixedHeightItemArranger::RearrangeItemBounds()
				{
					vint x0=-viewBounds.Left();
					vint y0=-viewBounds.Top()+GetYOffset();
					vint width=GetWidth();
					for(vint i=0;i<visibleStyles.Count();i++)
					{
						GuiListControl::IItemStyleController* style=visibleStyles[i];
						vint top=y0+(startIndex+i)*rowHeight;
						if(width==-1)
						{
							callback->SetStyleAlignmentToParent(style, Margin(0, -1, 0, -1));
							callback->SetStyleBounds(style, Rect(Point(0, top), Size(0, rowHeight)));
						}
						else
						{
							callback->SetStyleAlignmentToParent(style, Margin(-1, -1, -1, -1));
							callback->SetStyleBounds(style, Rect(Point(x0, top), Size(width, rowHeight)));
						}
					}
				}

				vint FixedHeightItemArranger::GetWidth()
				{
					return -1;
				}

				vint FixedHeightItemArranger::GetYOffset()
				{
					return 0;
				}

				void FixedHeightItemArranger::OnStylesCleared()
				{
					rowHeight=1;
					InvalidateAdoptedSize();
				}

				Size FixedHeightItemArranger::OnCalculateTotalSize()
				{
					if(callback)
					{
						vint width=GetWidth();
						if(width<0) width=0;
						return Size(width, rowHeight*itemProvider->Count()+GetYOffset());
					}
					else
					{
						return Size(0, 0);
					}
				}

				void FixedHeightItemArranger::OnViewChangedInternal(Rect oldBounds, Rect newBounds)
				{
					if(callback)
					{
						if(!suppressOnViewChanged)
						{
							vint oldVisibleCount=visibleStyles.Count();
							vint newRowHeight=rowHeight;
							vint newStartIndex=(newBounds.Top()-GetYOffset())/rowHeight;
							if(newStartIndex<0) newStartIndex=0;

							vint endIndex=startIndex+visibleStyles.Count()-1;
							vint newEndIndex=(newBounds.Bottom()-1)/newRowHeight;
							vint itemCount=itemProvider->Count();

							for(vint i=newStartIndex;i<=newEndIndex && i<itemCount;i++)
							{
								if(startIndex<=i && i<=endIndex)
								{
									GuiListControl::IItemStyleController* style=visibleStyles[i-startIndex];
									visibleStyles.Add(style);
								}
								else
								{
									GuiListControl::IItemStyleController* style=callback->RequestItem(i);
									visibleStyles.Add(style);
									vint styleHeight=callback->GetStylePreferredSize(style).y;
									if(newRowHeight<styleHeight)
									{
										newRowHeight=styleHeight;
										newEndIndex = newStartIndex + (newBounds.Height() - 1) / newRowHeight + 1;
										if (newEndIndex < i)
										{
											newEndIndex = i;
										}
									}
								}
							}

							for(vint i=0;i<oldVisibleCount;i++)
							{
								vint index=startIndex+i;
								if(index<newStartIndex || newEndIndex<index)
								{
									GuiListControl::IItemStyleController* style=visibleStyles[i];
									callback->ReleaseItem(style);
								}
							}
							visibleStyles.RemoveRange(0, oldVisibleCount);

							if(rowHeight!=newRowHeight)
							{
								vint offset=oldBounds.Top()-rowHeight*startIndex;
								rowHeight=newRowHeight;
								suppressOnViewChanged=true;
								callback->OnTotalSizeChanged();
								callback->SetViewLocation(Point(0, rowHeight*newStartIndex+offset));
								suppressOnViewChanged=false;
								InvalidateAdoptedSize();
							}
							startIndex=newStartIndex;
							RearrangeItemBounds();
						}
					}
				}

				FixedHeightItemArranger::FixedHeightItemArranger()
					:rowHeight(1)
					,suppressOnViewChanged(false)
				{
				}

				FixedHeightItemArranger::~FixedHeightItemArranger()
				{
				}

				vint FixedHeightItemArranger::FindItem(vint itemIndex, compositions::KeyDirection key)
				{
					vint count=itemProvider->Count();
					if(count==0) return -1;
					vint groupCount=viewBounds.Height()/rowHeight;
					if(groupCount==0) groupCount=1;
					switch(key)
					{
					case KeyDirection::Up:
						itemIndex--;
						break;
					case KeyDirection::Down:
						itemIndex++;
						break;
					case KeyDirection::Home:
						itemIndex=0;
						break;
					case KeyDirection::End:
						itemIndex=count;
						break;
					case KeyDirection::PageUp:
						itemIndex-=groupCount;
						break;
					case KeyDirection::PageDown:
						itemIndex+=groupCount;
						break;
					default:
						return -1;
					}
					
					if(itemIndex<0) return 0;
					else if(itemIndex>=count) return count-1;
					else return itemIndex;
				}

				bool FixedHeightItemArranger::EnsureItemVisible(vint itemIndex)
				{
					if(callback)
					{
						if(itemIndex<0 || itemIndex>=itemProvider->Count())
						{
							return false;
						}
						while(true)
						{
							vint yOffset=GetYOffset();
							vint top=itemIndex*rowHeight;
							vint bottom=top+rowHeight+yOffset;

							if(viewBounds.Height()<rowHeight)
							{
								if(viewBounds.Top()<bottom && top<viewBounds.Bottom())
								{
									break;
								}
							}

							Point location=viewBounds.LeftTop();
							if(top<viewBounds.Top())
							{
								location.y=top;
							}
							else if(viewBounds.Bottom()<bottom)
							{
								location.y=bottom-viewBounds.Height();
							}
							else
							{
								break;
							}
							callback->SetViewLocation(location);
						}
						return true;
					}
					return false;
				}

				Size FixedHeightItemArranger::GetAdoptedSize(Size expectedSize)
				{
					if (itemProvider)
					{
						vint offset = GetYOffset();
						vint y = expectedSize.y - offset;
						vint itemCount = itemProvider->Count();
						return Size(expectedSize.x, offset + CalculateAdoptedSize(y, itemCount, rowHeight));
					}
					return expectedSize;
				}

/***********************************************************************
FixedSizeMultiColumnItemArranger
***********************************************************************/

				void FixedSizeMultiColumnItemArranger::RearrangeItemBounds()
				{
					vint y0=-viewBounds.Top();
					vint rowItems=viewBounds.Width()/itemSize.x;
					if(rowItems<1) rowItems=1;

					for(vint i=0;i<visibleStyles.Count();i++)
					{
						GuiListControl::IItemStyleController* style=visibleStyles[i];
						vint row=(startIndex+i)/rowItems;
						vint col=(startIndex+i)%rowItems;
						callback->SetStyleBounds(style, Rect(Point(col*itemSize.x, y0+row*itemSize.y), itemSize));
					}
				}

				void FixedSizeMultiColumnItemArranger::CalculateRange(Size itemSize, Rect bounds, vint count, vint& start, vint& end)
				{
					vint startRow=bounds.Top()/itemSize.y;
					if(startRow<0) startRow=0;
					vint endRow=(bounds.Bottom()-1)/itemSize.y;
					vint cols=bounds.Width()/itemSize.x;
					if(cols<1) cols=1;

					start=startRow*cols;
					end=(endRow+1)*cols-1;
					if(end>=count) end=count-1;
				}

				void FixedSizeMultiColumnItemArranger::OnStylesCleared()
				{
					itemSize=Size(1, 1);
					InvalidateAdoptedSize();
				}

				Size FixedSizeMultiColumnItemArranger::OnCalculateTotalSize()
				{
					if(callback)
					{
						vint rowItems=viewBounds.Width()/itemSize.x;
						if(rowItems<1) rowItems=1;
						vint rows=itemProvider->Count()/rowItems;
						if(itemProvider->Count()%rowItems) rows++;

						return Size(itemSize.x*rowItems, itemSize.y*rows);
					}
					else
					{
						return Size(0, 0);
					}
				}

				void FixedSizeMultiColumnItemArranger::OnViewChangedInternal(Rect oldBounds, Rect newBounds)
				{
					if(callback)
					{
						if(!suppressOnViewChanged)
						{
							vint oldVisibleCount=visibleStyles.Count();
							Size newItemSize=itemSize;
							vint endIndex=startIndex+visibleStyles.Count()-1;

							vint newStartIndex=0;
							vint newEndIndex=0;
							vint itemCount=itemProvider->Count();
							CalculateRange(newItemSize, newBounds, itemCount, newStartIndex, newEndIndex);
							if(newItemSize==Size(1, 1) && newStartIndex<newEndIndex)
							{
								newEndIndex=newStartIndex;
							}

							vint previousStartIndex=-1;
							vint previousEndIndex=-1;

							while(true)
							{
								for(vint i=newStartIndex;i<=newEndIndex;i++)
								{
									if(startIndex<=i && i<=endIndex)
									{
										GuiListControl::IItemStyleController* style=visibleStyles[i-startIndex];
										visibleStyles.Add(style);
									}
									else if(i<previousStartIndex || i>previousEndIndex)
									{
										GuiListControl::IItemStyleController* style=callback->RequestItem(i);

										if(i<previousStartIndex)
										{
											visibleStyles.Insert(oldVisibleCount+(i-newStartIndex), style);
										}
										else
										{
											visibleStyles.Add(style);
										}
										
										Size styleSize=callback->GetStylePreferredSize(style);
										if(newItemSize.x<styleSize.x) newItemSize.x=styleSize.x;
										if(newItemSize.y<styleSize.y) newItemSize.y=styleSize.y;
									}
								}

								vint updatedStartIndex=0;
								vint updatedEndIndex=0;
								CalculateRange(newItemSize, newBounds, itemCount, updatedStartIndex, updatedEndIndex);
								bool again=updatedStartIndex<newStartIndex || updatedEndIndex>newEndIndex;
								previousStartIndex=newStartIndex;
								previousEndIndex=newEndIndex;
								if(updatedStartIndex<newStartIndex) newStartIndex=updatedStartIndex;
								if(updatedEndIndex>newEndIndex) newEndIndex=updatedEndIndex;
								if(!again) break;
							}

							for(vint i=0;i<oldVisibleCount;i++)
							{
								vint index=startIndex+i;
								if(index<newStartIndex || newEndIndex<index)
								{
									GuiListControl::IItemStyleController* style=visibleStyles[i];
									callback->ReleaseItem(style);
								}
							}
							visibleStyles.RemoveRange(0, oldVisibleCount);

							if(itemSize!=newItemSize)
							{
								itemSize=newItemSize;
								suppressOnViewChanged=true;
								callback->OnTotalSizeChanged();
								suppressOnViewChanged=false;
								InvalidateAdoptedSize();
							}
							startIndex=newStartIndex;
							RearrangeItemBounds();
						}
					}
				}

				FixedSizeMultiColumnItemArranger::FixedSizeMultiColumnItemArranger()
					:itemSize(1, 1)
					,suppressOnViewChanged(false)
				{
				}

				FixedSizeMultiColumnItemArranger::~FixedSizeMultiColumnItemArranger()
				{
				}

				vint FixedSizeMultiColumnItemArranger::FindItem(vint itemIndex, compositions::KeyDirection key)
				{
					vint count=itemProvider->Count();
					vint columnCount=viewBounds.Width()/itemSize.x;
					if(columnCount==0) columnCount=1;
					vint rowCount=viewBounds.Height()/itemSize.y;
					if(rowCount==0) rowCount=1;

					switch(key)
					{
					case KeyDirection::Up:
						itemIndex-=columnCount;
						break;
					case KeyDirection::Down:
						itemIndex+=columnCount;
						break;
					case KeyDirection::Left:
						itemIndex--;
						break;
					case KeyDirection::Right:
						itemIndex++;
						break;
					case KeyDirection::Home:
						itemIndex=0;
						break;
					case KeyDirection::End:
						itemIndex=count;
						break;
					case KeyDirection::PageUp:
						itemIndex-=columnCount*rowCount;
						break;
					case KeyDirection::PageDown:
						itemIndex+=columnCount*rowCount;
						break;
					case KeyDirection::PageLeft:
						itemIndex-=itemIndex%columnCount;
						break;
					case KeyDirection::PageRight:
						itemIndex+=columnCount-itemIndex%columnCount-1;
						break;
					default:
						return -1;
					}
					
					if(itemIndex<0) return 0;
					else if(itemIndex>=count) return count-1;
					else return itemIndex;
				}

				bool FixedSizeMultiColumnItemArranger::EnsureItemVisible(vint itemIndex)
				{
					if(callback)
					{
						if(itemIndex<0 || itemIndex>=itemProvider->Count())
						{
							return false;
						}
						while(true)
						{
							vint rowHeight=itemSize.y;
							vint columnCount=viewBounds.Width()/itemSize.x;
							if(columnCount==0) columnCount=1;
							vint rowIndex=itemIndex/columnCount;

							vint top=rowIndex*rowHeight;
							vint bottom=top+rowHeight;

							if(viewBounds.Height()<rowHeight)
							{
								if(viewBounds.Top()<bottom && top<viewBounds.Bottom())
								{
									break;
								}
							}

							Point location=viewBounds.LeftTop();
							if(top<viewBounds.Top())
							{
								location.y=top;
							}
							else if(viewBounds.Bottom()<bottom)
							{
								location.y=bottom-viewBounds.Height();
							}
							else
							{
								break;
							}
							callback->SetViewLocation(location);
						}
						return true;
					}
					return false;
				}

				Size FixedSizeMultiColumnItemArranger::GetAdoptedSize(Size expectedSize)
				{
					if (itemProvider)
					{
						vint count = itemProvider->Count();
						vint columnCount = viewBounds.Width() / itemSize.x;
						vint rowCount = viewBounds.Height() / itemSize.y;
						return Size(
							CalculateAdoptedSize(expectedSize.x, columnCount, itemSize.x),
							CalculateAdoptedSize(expectedSize.y, rowCount, itemSize.y)
							);
					}
					return expectedSize;
				}

/***********************************************************************
FixedHeightMultiColumnItemArranger
***********************************************************************/

				void FixedHeightMultiColumnItemArranger::RearrangeItemBounds()
				{
					vint rows=0;
					vint startColumn=0;
					CalculateRange(itemHeight, viewBounds, rows, startColumn);
					vint currentWidth=0;
					vint totalWidth=0;
					for(vint i=0;i<visibleStyles.Count();i++)
					{
						vint column=i%rows;
						if(column==0)
						{
							totalWidth+=currentWidth;
							currentWidth=0;
						}
						GuiListControl::IItemStyleController* style=visibleStyles[i];
						vint itemWidth=callback->GetStylePreferredSize(style).x;
						if(currentWidth<itemWidth) currentWidth=itemWidth;
						callback->SetStyleBounds(style, Rect(Point(totalWidth, itemHeight*column), Size(0, 0)));
					}
				}

				void FixedHeightMultiColumnItemArranger::CalculateRange(vint itemHeight, Rect bounds, vint& rows, vint& startColumn)
				{
					rows=bounds.Height()/itemHeight;
					if(rows<1) rows=1;
					startColumn=bounds.Left()/bounds.Width();
				}

				void FixedHeightMultiColumnItemArranger::OnStylesCleared()
				{
					itemHeight=1;
					InvalidateAdoptedSize();
				}

				Size FixedHeightMultiColumnItemArranger::OnCalculateTotalSize()
				{
					if(callback)
					{
						vint rows=viewBounds.Height()/itemHeight;
						if(rows<1) rows=1;
						vint columns=itemProvider->Count()/rows;
						if(itemProvider->Count()%rows) columns+=1;
						return Size(viewBounds.Width()*columns, 0);
					}
					else
					{
						return Size(0, 0);
					}
				}

				void FixedHeightMultiColumnItemArranger::OnViewChangedInternal(Rect oldBounds, Rect newBounds)
				{
					if(callback)
					{
						if(!suppressOnViewChanged)
						{
							vint oldVisibleCount=visibleStyles.Count();
							vint endIndex=startIndex+oldVisibleCount-1;

							vint newItemHeight=itemHeight;
							vint itemCount=itemProvider->Count();

							vint previousStartIndex=-1;
							vint previousEndIndex=-1;
							vint newStartIndex=-1;
							vint newEndIndex=-1;

							while(true)
							{
								vint newRows=0;
								vint newStartColumn=0;
								vint currentWidth=0;
								vint totalWidth=0;
								CalculateRange(newItemHeight, newBounds, newRows, newStartColumn);
								newStartIndex=newRows*newStartColumn;
								vint currentItemHeight=newItemHeight;

								for(vint i=newStartIndex;i<itemCount;i++)
								{
									if(i%newRows==0)
									{
										totalWidth+=currentWidth;
										currentWidth=0;
										if(totalWidth>=newBounds.Width())
										{
											break;
										}
									}
									newEndIndex=i;

									if(startIndex<=i && i<=endIndex)
									{
										GuiListControl::IItemStyleController* style=visibleStyles[i-startIndex];
										visibleStyles.Add(style);
									}
									else if(i<previousStartIndex || i>previousEndIndex)
									{
										GuiListControl::IItemStyleController* style=callback->RequestItem(i);

										if(i<previousStartIndex)
										{
											visibleStyles.Insert(oldVisibleCount+(i-newStartIndex), style);
										}
										else
										{
											visibleStyles.Add(style);
										}
										
										Size styleSize=callback->GetStylePreferredSize(style);
										if(currentWidth<styleSize.x) currentWidth=styleSize.x;
										if(newItemHeight<styleSize.y) newItemHeight=styleSize.y;
										if(currentItemHeight!=newItemHeight) break;
									}
								}

								if(previousStartIndex==-1 || previousStartIndex<newStartIndex) previousStartIndex=newStartIndex;
								if(previousEndIndex==-1 || previousEndIndex>newEndIndex) previousEndIndex=newEndIndex;
								if(currentItemHeight==newItemHeight)
								{
									break;
								}
							}
							newStartIndex=previousStartIndex;
							newEndIndex=previousEndIndex;

							for(vint i=0;i<oldVisibleCount;i++)
							{
								vint index=startIndex+i;
								if(index<newStartIndex || newEndIndex<index)
								{
									GuiListControl::IItemStyleController* style=visibleStyles[i];
									callback->ReleaseItem(style);
								}
							}
							visibleStyles.RemoveRange(0, oldVisibleCount);

							if(itemHeight!=newItemHeight)
							{
								itemHeight=newItemHeight;
								suppressOnViewChanged=true;
								callback->OnTotalSizeChanged();
								suppressOnViewChanged=false;
								InvalidateAdoptedSize();
							}
							startIndex=newStartIndex;
							RearrangeItemBounds();
						}
					}
				}

				FixedHeightMultiColumnItemArranger::FixedHeightMultiColumnItemArranger()
					:itemHeight(1)
					,suppressOnViewChanged(false)
				{
				}

				FixedHeightMultiColumnItemArranger::~FixedHeightMultiColumnItemArranger()
				{
				}

				vint FixedHeightMultiColumnItemArranger::FindItem(vint itemIndex, compositions::KeyDirection key)
				{
					vint count=itemProvider->Count();
					vint groupCount=viewBounds.Height()/itemHeight;
					if(groupCount==0) groupCount=1;
					switch(key)
					{
					case KeyDirection::Up:
						itemIndex--;
						break;
					case KeyDirection::Down:
						itemIndex++;
						break;
					case KeyDirection::Left:
						itemIndex-=groupCount;
						break;
					case KeyDirection::Right:
						itemIndex+=groupCount;
						break;
					case KeyDirection::Home:
						itemIndex=0;
						break;
					case KeyDirection::End:
						itemIndex=count;
						break;
					case KeyDirection::PageUp:
						itemIndex-=itemIndex%groupCount;
						break;
					case KeyDirection::PageDown:
						itemIndex+=groupCount-itemIndex%groupCount-1;
						break;
					default:
						return -1;
					}
					
					if(itemIndex<0) return 0;
					else if(itemIndex>=count) return count-1;
					else return itemIndex;
				}

				bool FixedHeightMultiColumnItemArranger::EnsureItemVisible(vint itemIndex)
				{
					if(callback)
					{
						if(itemIndex<0 || itemIndex>=itemProvider->Count())
						{
							return false;
						}
						while(true)
						{
							vint rowCount=viewBounds.Height()/itemHeight;
							if(rowCount==0) rowCount=1;
							vint columnIndex=itemIndex/rowCount;
							vint minIndex=startIndex;
							vint maxIndex=startIndex+visibleStyles.Count()-1;

							Point location=viewBounds.LeftTop();
							if(minIndex<=itemIndex && itemIndex<=maxIndex)
							{
								Rect bounds=callback->GetStyleBounds(visibleStyles[itemIndex-startIndex]);
								if(0<bounds.Bottom() && bounds.Top()<viewBounds.Width() && bounds.Width()>viewBounds.Width())
								{
									break;
								}
								else if(bounds.Left()<0)
								{
									location.x-=viewBounds.Width();
								}
								else if(bounds.Right()>viewBounds.Width())
								{
									location.x+=viewBounds.Width();
								}
								else
								{
									break;
								}
							}
							else if(columnIndex<minIndex/rowCount)
							{
								location.x-=viewBounds.Width();
							}
							else if(columnIndex>=maxIndex/rowCount)
							{
								location.x+=viewBounds.Width();
							}
							else
							{
								break;
							}
							callback->SetViewLocation(location);
						}
						return true;
					}
					return false;
				}

				Size FixedHeightMultiColumnItemArranger::GetAdoptedSize(Size expectedSize)
				{
					if (itemProvider)
					{
						vint count = itemProvider->Count();
						return Size(expectedSize.x, CalculateAdoptedSize(expectedSize.y, count, itemHeight));
					}
					return expectedSize;
				}

/***********************************************************************
ItemStyleControllerBase
***********************************************************************/

				void ItemStyleControllerBase::Initialize(compositions::GuiBoundsComposition* _boundsComposition, GuiControl* _associatedControl)
				{
					boundsComposition=_boundsComposition;
					associatedControl=_associatedControl;
				}

				void ItemStyleControllerBase::Finalize()
				{
					if(boundsComposition && !isInstalled)
					{
						if(associatedControl)
						{
							delete associatedControl;
						}
						else
						{
							delete boundsComposition;
						}
					}
					boundsComposition=0;
					associatedControl=0;
				}

				ItemStyleControllerBase::ItemStyleControllerBase(GuiListControl::IItemStyleProvider* _provider, vint _styleId)
					:provider(_provider)
					,styleId(_styleId)
					,boundsComposition(0)
					,associatedControl(0)
					,isInstalled(false)
				{
				}

				ItemStyleControllerBase::~ItemStyleControllerBase()
				{
					Finalize();
				}
					
				GuiListControl::IItemStyleProvider* ItemStyleControllerBase::GetStyleProvider()
				{
					return provider;
				}

				vint ItemStyleControllerBase::GetItemStyleId()
				{
					return styleId;
				}

				compositions::GuiBoundsComposition* ItemStyleControllerBase::GetBoundsComposition()
				{
					return boundsComposition;
				}

				bool ItemStyleControllerBase::IsCacheable()
				{
					return true;
				}

				bool ItemStyleControllerBase::IsInstalled()
				{
					return isInstalled;
				}

				void ItemStyleControllerBase::OnInstalled()
				{
					isInstalled=true;
				}

				void ItemStyleControllerBase::OnUninstalled()
				{
					isInstalled=false;
				}

/***********************************************************************
ItemProviderBase
***********************************************************************/

				void ItemProviderBase::InvokeOnItemModified(vint start, vint count, vint newCount)
				{
					for(vint i=0;i<callbacks.Count();i++)
					{
						callbacks[i]->OnItemModified(start, count, newCount);
					}
				}

				ItemProviderBase::ItemProviderBase()
				{
				}

				ItemProviderBase::~ItemProviderBase()
				{
					for(vint i=0;i<callbacks.Count();i++)
					{
						callbacks[i]->OnAttached(0);
					}
				}

				bool ItemProviderBase::AttachCallback(GuiListControl::IItemProviderCallback* value)
				{
					if(callbacks.Contains(value))
					{
						return false;
					}
					else
					{
						callbacks.Add(value);
						value->OnAttached(this);
						return true;
					}
				}

				bool ItemProviderBase::DetachCallback(GuiListControl::IItemProviderCallback* value)
				{
					vint index=callbacks.IndexOf(value);
					if(index==-1)
					{
						return false;
					}
					else
					{
						value->OnAttached(0);
						callbacks.Remove(value);
						return true;
					}
				}
			}
		}
	}
}

/***********************************************************************
CONTROLS\LISTCONTROLPACKAGE\GUILISTVIEWCONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace elements;
			using namespace compositions;
			using namespace collections;
			using namespace reflection::description;

			namespace list
			{

/***********************************************************************
ListViewItemStyleProviderBase::TextItemStyleController
***********************************************************************/

				ListViewItemStyleProviderBase::ListViewItemStyleController::ListViewItemStyleController(ListViewItemStyleProviderBase* provider)
					:ItemStyleControllerBase(provider, 0)
					,backgroundButton(0)
					,listViewItemStyleProvider(provider)
				{
					backgroundButton=new GuiSelectableButton(listViewItemStyleProvider->listControl->GetListViewStyleProvider()->CreateItemBackground());
					backgroundButton->SetAutoSelection(false);
					Initialize(backgroundButton->GetBoundsComposition(), backgroundButton);
				}

				ListViewItemStyleProviderBase::ListViewItemStyleController::~ListViewItemStyleController()
				{
				}

				bool ListViewItemStyleProviderBase::ListViewItemStyleController::GetSelected()
				{
					return backgroundButton->GetSelected();
				}

				void ListViewItemStyleProviderBase::ListViewItemStyleController::SetSelected(bool value)
				{
					backgroundButton->SetSelected(value);
				}

/***********************************************************************
ListViewItemStyleProviderBase
***********************************************************************/

				ListViewItemStyleProviderBase::ListViewItemStyleProviderBase()
					:listControl(0)
				{
				}

				ListViewItemStyleProviderBase::~ListViewItemStyleProviderBase()
				{
				}

				void ListViewItemStyleProviderBase::AttachListControl(GuiListControl* value)
				{
					listControl=dynamic_cast<GuiListViewBase*>(value);
				}

				void ListViewItemStyleProviderBase::DetachListControl()
				{
					listControl=0;
				}

				vint ListViewItemStyleProviderBase::GetItemStyleId(vint itemIndex)
				{
					return 0;
				}

				void ListViewItemStyleProviderBase::SetStyleSelected(GuiListControl::IItemStyleController* style, bool value)
				{
					ListViewItemStyleController* textStyle=dynamic_cast<ListViewItemStyleController*>(style);
					textStyle->SetSelected(value);
				}
			}

/***********************************************************************
GuiListViewColumnHeader
***********************************************************************/
			
			GuiListViewColumnHeader::GuiListViewColumnHeader(IStyleController* _styleController)
				:GuiMenuButton(_styleController)
				,columnSortingState(NotSorted)
				,styleController(_styleController)
			{
				styleController->SetColumnSortingState(columnSortingState);
			}

			GuiListViewColumnHeader::~GuiListViewColumnHeader()
			{
			}

			bool GuiListViewColumnHeader::IsAltAvailable()
			{
				return false;
			}

			GuiListViewColumnHeader::ColumnSortingState GuiListViewColumnHeader::GetColumnSortingState()
			{
				return columnSortingState;
			}

			void GuiListViewColumnHeader::SetColumnSortingState(ColumnSortingState value)
			{
				if(columnSortingState!=value)
				{
					columnSortingState=value;
					styleController->SetColumnSortingState(columnSortingState);
				}
			}

/***********************************************************************
GuiListViewBase
***********************************************************************/

			GuiListViewBase::GuiListViewBase(IStyleProvider* _styleProvider, GuiListControl::IItemProvider* _itemProvider)
				:GuiSelectableListControl(_styleProvider, _itemProvider)
				,styleProvider(0)
			{
				styleProvider=dynamic_cast<IStyleProvider*>(styleController->GetStyleProvider());
				ColumnClicked.SetAssociatedComposition(boundsComposition);
			}

			GuiListViewBase::~GuiListViewBase()
			{
			}

			GuiListViewBase::IStyleProvider* GuiListViewBase::GetListViewStyleProvider()
			{
				return styleProvider;
			}

			Ptr<GuiListControl::IItemStyleProvider> GuiListViewBase::SetStyleProvider(Ptr<GuiListControl::IItemStyleProvider> value)
			{
				if(value.Cast<list::ListViewItemStyleProvider>())
				{
					return GuiSelectableListControl::SetStyleProvider(value);
				}
				else
				{
					return 0;
				}
			}

			namespace list
			{

/***********************************************************************
ListViewItemStyleProvider::ListViewContentItemStyleController
***********************************************************************/

				ListViewItemStyleProvider::ListViewContentItemStyleController::ListViewContentItemStyleController(ListViewItemStyleProvider* provider)
					:ListViewItemStyleController(provider)
					,listViewItemStyleProvider(provider)
				{
					content=listViewItemStyleProvider->listViewItemContentProvider->CreateItemContent(backgroundButton->GetFont());
					GuiBoundsComposition* composition=content->GetContentComposition();
					composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					backgroundButton->GetContainerComposition()->AddChild(composition);

					GuiBoundsComposition* decorator=content->GetBackgroundDecorator();
					if(decorator)
					{
						backgroundButton->GetBoundsComposition()->AddChild(decorator);
						backgroundButton->GetBoundsComposition()->MoveChild(decorator, 0);
					}
				}

				ListViewItemStyleProvider::ListViewContentItemStyleController::~ListViewContentItemStyleController()
				{
				}

				void ListViewItemStyleProvider::ListViewContentItemStyleController::OnUninstalled()
				{
					ListViewItemStyleController::OnUninstalled();
					content->Uninstall();
				}

				ListViewItemStyleProvider::IListViewItemContent* ListViewItemStyleProvider::ListViewContentItemStyleController::GetItemContent()
				{
					return content.Obj();
				}

				void ListViewItemStyleProvider::ListViewContentItemStyleController::Install(IListViewItemView* view, vint itemIndex)
				{
					content->Install(listViewItemStyleProvider->listControl->GetListViewStyleProvider(), view, itemIndex);
				}

/***********************************************************************
ListViewItemStyleProvider
***********************************************************************/

				const wchar_t* const ListViewItemStyleProvider::IListViewItemView::Identifier = L"vl::presentation::controls::list::ListViewItemStyleProvider::IListViewItemView";

				ListViewItemStyleProvider::ListViewItemStyleProvider(Ptr<IListViewItemContentProvider> itemContentProvider)
					:listViewItemView(0)
					,listViewItemContentProvider(itemContentProvider)
				{
				}

				ListViewItemStyleProvider::~ListViewItemStyleProvider()
				{
				}

				void ListViewItemStyleProvider::AttachListControl(GuiListControl* value)
				{
					ListViewItemStyleProviderBase::AttachListControl(value);
					listViewItemView=dynamic_cast<IListViewItemView*>(value->GetItemProvider()->RequestView(IListViewItemView::Identifier));
					listViewItemContentProvider->AttachListControl(value);
				}

				void ListViewItemStyleProvider::DetachListControl()
				{
					listViewItemContentProvider->DetachListControl();
					listControl->GetItemProvider()->ReleaseView(listViewItemView);
					listViewItemView=0;
					ListViewItemStyleProviderBase::DetachListControl();
				}

				GuiListControl::IItemStyleController* ListViewItemStyleProvider::CreateItemStyle(vint styleId)
				{
					ListViewContentItemStyleController* itemStyle=new ListViewContentItemStyleController(this);
					itemStyles.Add(itemStyle);
					return itemStyle;
				}

				void ListViewItemStyleProvider::DestroyItemStyle(GuiListControl::IItemStyleController* style)
				{
					ListViewContentItemStyleController* itemStyle=dynamic_cast<ListViewContentItemStyleController*>(style);
					if(itemStyle)
					{
						itemStyles.Remove(itemStyle);
						delete itemStyle;
					}
				}

				void ListViewItemStyleProvider::Install(GuiListControl::IItemStyleController* style, vint itemIndex)
				{
					ListViewContentItemStyleController* itemStyle=dynamic_cast<ListViewContentItemStyleController*>(style);
					itemStyle->Install(listViewItemView, itemIndex);
				}

				void ListViewItemStyleProvider::SetStyleIndex(GuiListControl::IItemStyleController* style, vint value)
				{
				}

				ListViewItemStyleProvider::IListViewItemContentProvider* ListViewItemStyleProvider::GetItemContentProvider()
				{
					return listViewItemContentProvider.Obj();
				}

				const ListViewItemStyleProvider::ItemStyleList& ListViewItemStyleProvider::GetCreatedItemStyles()
				{
					return itemStyles;
				}

				bool ListViewItemStyleProvider::IsItemStyleAttachedToListView(GuiListControl::IItemStyleController* itemStyle)
				{
					return itemStyle && itemStyle->GetBoundsComposition()->GetParent();
				}

				ListViewItemStyleProvider::IListViewItemContent* ListViewItemStyleProvider::GetItemContentFromItemStyleController(GuiListControl::IItemStyleController* itemStyleController)
				{
					if(itemStyleController)
					{
						ListViewContentItemStyleController* item=dynamic_cast<ListViewContentItemStyleController*>(itemStyleController);
						if(item)
						{
							return item->GetItemContent();
						}
					}
					return 0;
				}

				GuiListControl::IItemStyleController* ListViewItemStyleProvider::GetItemStyleControllerFromItemContent(IListViewItemContent* itemContent)
				{
					FOREACH(GuiListControl::IItemStyleController*, style, itemStyles)
					{
						if(GetItemContentFromItemStyleController(style)==itemContent)
						{
							return style;
						}
					}
					return 0;
				}
				
/***********************************************************************
ListViewBigIconContentProvider
***********************************************************************/

				ListViewBigIconContentProvider::ItemContent::ItemContent(Size minIconSize, bool fitImage, const FontProperties& font)
					:contentComposition(0)
				{
					contentComposition=new GuiBoundsComposition;
					contentComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);

					GuiTableComposition* table=new GuiTableComposition;
					contentComposition->AddChild(table);
					table->SetRowsAndColumns(2, 3);
					table->SetRowOption(0, GuiCellOption::MinSizeOption());
					table->SetRowOption(1, GuiCellOption::MinSizeOption());
					table->SetColumnOption(0, GuiCellOption::PercentageOption(0.5));
					table->SetColumnOption(1, GuiCellOption::MinSizeOption());
					table->SetColumnOption(2, GuiCellOption::PercentageOption(0.5));
					table->SetAlignmentToParent(Margin(0, 0, 0, 0));
					table->SetCellPadding(5);
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 1, 1);
						cell->SetPreferredMinSize(minIconSize);
						if (!fitImage)
						{
							cell->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
						}

						image=GuiImageFrameElement::Create();
						image->SetStretch(true);
						cell->SetOwnedElement(image);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
						cell->SetSite(1, 0, 1, 3);
						cell->SetPreferredMinSize(Size(64, 40));

						text=GuiSolidLabelElement::Create();
						text->SetAlignments(Alignment::Center, Alignment::Top);
						text->SetFont(font);
						text->SetWrapLine(true);
						text->SetEllipse(true);
						cell->SetOwnedElement(text);
					}
				}

				ListViewBigIconContentProvider::ItemContent::~ItemContent()
				{
				}

				compositions::GuiBoundsComposition* ListViewBigIconContentProvider::ItemContent::GetContentComposition()
				{
					return contentComposition;
				}

				compositions::GuiBoundsComposition* ListViewBigIconContentProvider::ItemContent::GetBackgroundDecorator()
				{
					return 0;
				}

				void ListViewBigIconContentProvider::ItemContent::Install(GuiListViewBase::IStyleProvider* styleProvider, ListViewItemStyleProvider::IListViewItemView* view, vint itemIndex)
				{
					Ptr<GuiImageData> imageData=view->GetLargeImage(itemIndex);
					if(imageData)
					{
						image->SetImage(imageData->GetImage(), imageData->GetFrameIndex());
					}
					else
					{
						image->SetImage(0);
					}
					text->SetText(view->GetText(itemIndex));
					text->SetColor(styleProvider->GetPrimaryTextColor());
				}

				void ListViewBigIconContentProvider::ItemContent::Uninstall()
				{
				}

				ListViewBigIconContentProvider::ListViewBigIconContentProvider(Size _minIconSize, bool _fitImage)
					:minIconSize(_minIconSize)
					,fitImage(_fitImage)
				{
				}

				ListViewBigIconContentProvider::~ListViewBigIconContentProvider()
				{
				}

				compositions::IGuiAxis* ListViewBigIconContentProvider::CreatePreferredAxis()
				{
					return new GuiDefaultAxis;
				}

				GuiListControl::IItemArranger* ListViewBigIconContentProvider::CreatePreferredArranger()
				{
					return new FixedSizeMultiColumnItemArranger;
				}

				ListViewItemStyleProvider::IListViewItemContent* ListViewBigIconContentProvider::CreateItemContent(const FontProperties& font)
				{
					return new ItemContent(minIconSize, fitImage, font);
				}

				void ListViewBigIconContentProvider::AttachListControl(GuiListControl* value)
				{
				}

				void ListViewBigIconContentProvider::DetachListControl()
				{
				}
				
/***********************************************************************
ListViewSmallIconContentProvider
***********************************************************************/

				ListViewSmallIconContentProvider::ItemContent::ItemContent(Size minIconSize, bool fitImage, const FontProperties& font)
					:contentComposition(0)
				{
					contentComposition=new GuiBoundsComposition;
					contentComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);

					GuiTableComposition* table=new GuiTableComposition;
					contentComposition->AddChild(table);
					table->SetRowsAndColumns(3, 2);
					table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
					table->SetRowOption(1, GuiCellOption::MinSizeOption());
					table->SetRowOption(2, GuiCellOption::PercentageOption(0.5));
					table->SetColumnOption(0, GuiCellOption::MinSizeOption());
					table->SetColumnOption(1, GuiCellOption::MinSizeOption());
					table->SetAlignmentToParent(Margin(0, 0, 0, 0));
					table->SetCellPadding(2);
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(1, 0, 1, 1);
						cell->SetPreferredMinSize(minIconSize);
						if (!fitImage)
						{
							cell->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
						}

						image=GuiImageFrameElement::Create();
						image->SetStretch(true);
						cell->SetOwnedElement(image);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 3, 1);
						cell->SetPreferredMinSize(Size(192, 0));

						text=GuiSolidLabelElement::Create();
						text->SetAlignments(Alignment::Left, Alignment::Center);
						text->SetFont(font);
						text->SetEllipse(true);
						cell->SetOwnedElement(text);
					}
				}

				ListViewSmallIconContentProvider::ItemContent::~ItemContent()
				{
				}

				compositions::GuiBoundsComposition* ListViewSmallIconContentProvider::ItemContent::GetContentComposition()
				{
					return contentComposition;
				}

				compositions::GuiBoundsComposition* ListViewSmallIconContentProvider::ItemContent::GetBackgroundDecorator()
				{
					return 0;
				}

				void ListViewSmallIconContentProvider::ItemContent::Install(GuiListViewBase::IStyleProvider* styleProvider, ListViewItemStyleProvider::IListViewItemView* view, vint itemIndex)
				{
					Ptr<GuiImageData> imageData=view->GetSmallImage(itemIndex);
					if(imageData)
					{
						image->SetImage(imageData->GetImage(), imageData->GetFrameIndex());
					}
					else
					{
						image->SetImage(0);
					}
					text->SetText(view->GetText(itemIndex));
					text->SetColor(styleProvider->GetPrimaryTextColor());
				}

				void ListViewSmallIconContentProvider::ItemContent::Uninstall()
				{
				}

				ListViewSmallIconContentProvider::ListViewSmallIconContentProvider(Size _minIconSize, bool _fitImage)
					:minIconSize(_minIconSize)
					,fitImage(_fitImage)
				{
				}

				ListViewSmallIconContentProvider::~ListViewSmallIconContentProvider()
				{
				}

				compositions::IGuiAxis* ListViewSmallIconContentProvider::CreatePreferredAxis()
				{
					return new GuiDefaultAxis;
				}

				GuiListControl::IItemArranger* ListViewSmallIconContentProvider::CreatePreferredArranger()
				{
					return new FixedSizeMultiColumnItemArranger;
				}

				ListViewItemStyleProvider::IListViewItemContent* ListViewSmallIconContentProvider::CreateItemContent(const FontProperties& font)
				{
					return new ItemContent(minIconSize, fitImage, font);
				}

				void ListViewSmallIconContentProvider::AttachListControl(GuiListControl* value)
				{
				}

				void ListViewSmallIconContentProvider::DetachListControl()
				{
				}
				
/***********************************************************************
ListViewListContentProvider
***********************************************************************/

				ListViewListContentProvider::ItemContent::ItemContent(Size minIconSize, bool fitImage, const FontProperties& font)
					:contentComposition(0)
				{
					contentComposition=new GuiBoundsComposition;
					contentComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);

					GuiTableComposition* table=new GuiTableComposition;
					contentComposition->AddChild(table);
					table->SetRowsAndColumns(3, 2);
					table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
					table->SetRowOption(1, GuiCellOption::MinSizeOption());
					table->SetRowOption(2, GuiCellOption::PercentageOption(0.5));
					table->SetColumnOption(0, GuiCellOption::MinSizeOption());
					table->SetColumnOption(1, GuiCellOption::MinSizeOption());
					table->SetAlignmentToParent(Margin(0, 0, 0, 0));
					table->SetCellPadding(2);
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(1, 0, 1, 1);
						cell->SetPreferredMinSize(minIconSize);
						if (!fitImage)
						{
							cell->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
						}

						image=GuiImageFrameElement::Create();
						image->SetStretch(true);
						cell->SetOwnedElement(image);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 3, 1);
						cell->SetMargin(Margin(0, 0, 16, 0));

						text=GuiSolidLabelElement::Create();
						text->SetAlignments(Alignment::Left, Alignment::Center);
						text->SetFont(font);
						cell->SetOwnedElement(text);
					}
				}

				ListViewListContentProvider::ItemContent::~ItemContent()
				{
				}

				compositions::GuiBoundsComposition* ListViewListContentProvider::ItemContent::GetContentComposition()
				{
					return contentComposition;
				}

				compositions::GuiBoundsComposition* ListViewListContentProvider::ItemContent::GetBackgroundDecorator()
				{
					return 0;
				}

				void ListViewListContentProvider::ItemContent::Install(GuiListViewBase::IStyleProvider* styleProvider, ListViewItemStyleProvider::IListViewItemView* view, vint itemIndex)
				{
					Ptr<GuiImageData> imageData=view->GetSmallImage(itemIndex);
					if(imageData)
					{
						image->SetImage(imageData->GetImage(), imageData->GetFrameIndex());
					}
					else
					{
						image->SetImage(0);
					}
					text->SetText(view->GetText(itemIndex));
					text->SetColor(styleProvider->GetPrimaryTextColor());
				}

				void ListViewListContentProvider::ItemContent::Uninstall()
				{
				}

				ListViewListContentProvider::ListViewListContentProvider(Size _minIconSize, bool _fitImage)
					:minIconSize(_minIconSize)
					,fitImage(_fitImage)
				{
				}

				ListViewListContentProvider::~ListViewListContentProvider()
				{
				}

				compositions::IGuiAxis* ListViewListContentProvider::CreatePreferredAxis()
				{
					return new GuiDefaultAxis;
				}

				GuiListControl::IItemArranger* ListViewListContentProvider::CreatePreferredArranger()
				{
					return new FixedHeightMultiColumnItemArranger;
				}

				ListViewItemStyleProvider::IListViewItemContent* ListViewListContentProvider::CreateItemContent(const FontProperties& font)
				{
					return new ItemContent(minIconSize, fitImage, font);
				}

				void ListViewListContentProvider::AttachListControl(GuiListControl* value)
				{
				}

				void ListViewListContentProvider::DetachListControl()
				{
				}
				
/***********************************************************************
ListViewTileContentProvider
***********************************************************************/

				void ListViewTileContentProvider::ItemContent::RemoveTextElement(vint textRow)
				{
					GuiCellComposition* cell=textTable->GetSitedCell(textRow+1, 0);
					textTable->RemoveChild(cell);
					delete cell;
				}

				elements::GuiSolidLabelElement* ListViewTileContentProvider::ItemContent::CreateTextElement(vint textRow, const FontProperties& font)
				{
					GuiCellComposition* cell=new GuiCellComposition;
					textTable->AddChild(cell);
					cell->SetSite(textRow+1, 0, 1, 1);

					elements::GuiSolidLabelElement* textElement=GuiSolidLabelElement::Create();
					textElement->SetAlignments(Alignment::Left, Alignment::Center);
					textElement->SetFont(font);
					textElement->SetEllipse(true);
					cell->SetOwnedElement(textElement);
					return textElement;
				}

				void ListViewTileContentProvider::ItemContent::ResetTextTable(vint textRows)
				{
					textTable->SetRowsAndColumns(textRows+2, 1);
					textTable->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
					for(vint i=0;i<textRows;i++)
					{
						textTable->SetRowOption(i+1, GuiCellOption::MinSizeOption());
					}
					textTable->SetRowOption(textRows+1, GuiCellOption::PercentageOption(0.5));
					textTable->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
				}

				ListViewTileContentProvider::ItemContent::ItemContent(Size minIconSize, bool fitImage, const FontProperties& font)
					:contentComposition(0)
				{
					contentComposition=new GuiBoundsComposition;
					contentComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);

					GuiTableComposition* table=new GuiTableComposition;
					contentComposition->AddChild(table);
					table->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					table->SetRowsAndColumns(3, 2);
					table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
					table->SetRowOption(1, GuiCellOption::MinSizeOption());
					table->SetRowOption(2, GuiCellOption::PercentageOption(0.5));
					table->SetColumnOption(0, GuiCellOption::MinSizeOption());
					table->SetColumnOption(1, GuiCellOption::MinSizeOption());
					table->SetAlignmentToParent(Margin(0, 0, 0, 0));
					table->SetCellPadding(4);
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(1, 0, 1, 1);
						cell->SetPreferredMinSize(minIconSize);
						if (!fitImage)
						{
							cell->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
						}

						image=GuiImageFrameElement::Create();
						image->SetStretch(true);
						cell->SetOwnedElement(image);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 3, 1);
						cell->SetPreferredMinSize(Size(224, 0));

						textTable=new GuiTableComposition;
						textTable->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
						textTable->SetCellPadding(1);
						ResetTextTable(1);
						textTable->SetAlignmentToParent(Margin(0, 0, 0, 0));
						cell->AddChild(textTable);
						{
							text=CreateTextElement(0, font);
						}
					}
				}

				ListViewTileContentProvider::ItemContent::~ItemContent()
				{
				}

				compositions::GuiBoundsComposition* ListViewTileContentProvider::ItemContent::GetContentComposition()
				{
					return contentComposition;
				}

				compositions::GuiBoundsComposition* ListViewTileContentProvider::ItemContent::GetBackgroundDecorator()
				{
					return 0;
				}

				void ListViewTileContentProvider::ItemContent::Install(GuiListViewBase::IStyleProvider* styleProvider, ListViewItemStyleProvider::IListViewItemView* view, vint itemIndex)
				{
					Ptr<GuiImageData> imageData=view->GetLargeImage(itemIndex);
					if(imageData)
					{
						image->SetImage(imageData->GetImage(), imageData->GetFrameIndex());
					}
					else
					{
						image->SetImage(0);
					}
					text->SetText(view->GetText(itemIndex));
					text->SetColor(styleProvider->GetPrimaryTextColor());

					for(vint i=0;i<dataTexts.Count();i++)
					{
						RemoveTextElement(i+1);
					}
					vint dataColumnCount=view->GetDataColumnCount();
					ResetTextTable(dataColumnCount+1);
					dataTexts.Resize(dataColumnCount);
					for(vint i=0;i<dataColumnCount;i++)
					{
						dataTexts[i]=CreateTextElement(i+1, text->GetFont());
						dataTexts[i]->SetText(view->GetSubItem(itemIndex, view->GetDataColumn(i)));
						dataTexts[i]->SetColor(styleProvider->GetSecondaryTextColor());
					}
				}

				void ListViewTileContentProvider::ItemContent::Uninstall()
				{
				}

				ListViewTileContentProvider::ListViewTileContentProvider(Size _minIconSize, bool _fitImage)
					:minIconSize(_minIconSize)
					,fitImage(_fitImage)
				{
				}

				ListViewTileContentProvider::~ListViewTileContentProvider()
				{
				}

				compositions::IGuiAxis* ListViewTileContentProvider::CreatePreferredAxis()
				{
					return new GuiDefaultAxis;
				}

				GuiListControl::IItemArranger* ListViewTileContentProvider::CreatePreferredArranger()
				{
					return new FixedSizeMultiColumnItemArranger;
				}

				ListViewItemStyleProvider::IListViewItemContent* ListViewTileContentProvider::CreateItemContent(const FontProperties& font)
				{
					return new ItemContent(minIconSize, fitImage, font);
				}

				void ListViewTileContentProvider::AttachListControl(GuiListControl* value)
				{
				}

				void ListViewTileContentProvider::DetachListControl()
				{
				}
				
/***********************************************************************
ListViewInformationContentProvider
***********************************************************************/

				ListViewInformationContentProvider::ItemContent::ItemContent(Size minIconSize, bool fitImage, const FontProperties& font)
					:contentComposition(0)
					,baselineFont(font)
				{
					contentComposition=new GuiBoundsComposition;
					contentComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					{
						bottomLine=GuiSolidBackgroundElement::Create();
						bottomLineComposition=new GuiBoundsComposition;
						bottomLineComposition->SetOwnedElement(bottomLine);
						bottomLineComposition->SetAlignmentToParent(Margin(8, -1, 8, 0));
						bottomLineComposition->SetPreferredMinSize(Size(0, 1));
					}

					GuiTableComposition* table=new GuiTableComposition;
					contentComposition->AddChild(table);
					table->SetRowsAndColumns(3, 3);
					table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
					table->SetRowOption(1, GuiCellOption::MinSizeOption());
					table->SetRowOption(2, GuiCellOption::PercentageOption(0.5));
					table->SetColumnOption(0, GuiCellOption::MinSizeOption());
					table->SetColumnOption(1, GuiCellOption::PercentageOption(1.0));
					table->SetColumnOption(2, GuiCellOption::MinSizeOption());
					table->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					table->SetAlignmentToParent(Margin(0, 0, 0, 0));
					table->SetCellPadding(4);
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(1, 0, 1, 1);
						cell->SetPreferredMinSize(minIconSize);
						if (!fitImage)
						{
							cell->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
						}

						image=GuiImageFrameElement::Create();
						image->SetStretch(true);
						cell->SetOwnedElement(image);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 3, 1);

						FontProperties textFont=font;
						textFont.size=(vint)(textFont.size*1.2);

						text=GuiSolidLabelElement::Create();
						text->SetFont(textFont);
						text->SetEllipse(true);
						cell->SetOwnedElement(text);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 2, 3, 1);
						cell->SetPreferredMinSize(Size(224, 0));

						textTable=new GuiTableComposition;
						textTable->SetCellPadding(4);
						textTable->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
						textTable->SetAlignmentToParent(Margin(0, 0, 0, 0));
						cell->AddChild(textTable);
					}
				}

				ListViewInformationContentProvider::ItemContent::~ItemContent()
				{
				}

				compositions::GuiBoundsComposition* ListViewInformationContentProvider::ItemContent::GetContentComposition()
				{
					return contentComposition;
				}

				compositions::GuiBoundsComposition* ListViewInformationContentProvider::ItemContent::GetBackgroundDecorator()
				{
					return bottomLineComposition;
				}

				void ListViewInformationContentProvider::ItemContent::Install(GuiListViewBase::IStyleProvider* styleProvider, ListViewItemStyleProvider::IListViewItemView* view, vint itemIndex)
				{
					Ptr<GuiImageData> imageData = view->GetLargeImage(itemIndex);
					if (imageData)
					{
						image->SetImage(imageData->GetImage(), imageData->GetFrameIndex());
					}
					else
					{
						image->SetImage(0);
					}
					text->SetText(view->GetText(itemIndex));
					text->SetColor(styleProvider->GetPrimaryTextColor());
					bottomLine->SetColor(styleProvider->GetItemSeparatorColor());

					for (vint i = 0; i < dataTexts.Count(); i++)
					{
						GuiCellComposition* cell = textTable->GetSitedCell(i, 0);
						textTable->RemoveChild(cell);
						delete cell;
					}

					vint dataColumnCount = view->GetDataColumnCount();
					dataTexts.Resize(dataColumnCount);
					textTable->SetRowsAndColumns(dataColumnCount + 2, 1);
					textTable->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
					for (vint i = 0; i < dataColumnCount; i++)
					{
						textTable->SetRowOption(i + 1, GuiCellOption::MinSizeOption());
					}
					textTable->SetRowOption(dataColumnCount + 1, GuiCellOption::PercentageOption(0.5));
					textTable->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
					
					for (vint i = 0; i < dataColumnCount; i++)
					{
						GuiCellComposition* cell = new GuiCellComposition;
						textTable->AddChild(cell);
						cell->SetSite(i + 1, 0, 1, 1);

						GuiTableComposition* dataTable = new GuiTableComposition;
						dataTable->SetRowsAndColumns(1, 2);
						dataTable->SetRowOption(0, GuiCellOption::MinSizeOption());
						dataTable->SetColumnOption(0, GuiCellOption::MinSizeOption());
						dataTable->SetColumnOption(1, GuiCellOption::PercentageOption(1.0));
						dataTable->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
						dataTable->SetAlignmentToParent(Margin(0, 0, 0, 0));
						cell->AddChild(dataTable);
						{
							GuiCellComposition* cell = new GuiCellComposition;
							dataTable->AddChild(cell);
							cell->SetSite(0, 0, 1, 1);

							GuiSolidLabelElement* textColumn = GuiSolidLabelElement::Create();
							textColumn->SetFont(baselineFont);
							textColumn->SetText(view->GetColumnText(view->GetDataColumn(i) + 1) + L": ");
							textColumn->SetColor(styleProvider->GetSecondaryTextColor());
							cell->SetOwnedElement(textColumn);
						}
						{
							GuiCellComposition* cell = new GuiCellComposition;
							dataTable->AddChild(cell);
							cell->SetSite(0, 1, 1, 1);

							GuiSolidLabelElement* textData = GuiSolidLabelElement::Create();
							textData->SetFont(baselineFont);
							textData->SetEllipse(true);
							textData->SetText(view->GetSubItem(itemIndex, view->GetDataColumn(i)));
							textData->SetColor(styleProvider->GetPrimaryTextColor());
							cell->SetOwnedElement(textData);
						}
					}
				}

				void ListViewInformationContentProvider::ItemContent::Uninstall()
				{
				}

				ListViewInformationContentProvider::ListViewInformationContentProvider(Size _minIconSize, bool _fitImage)
					:minIconSize(_minIconSize)
					,fitImage(_fitImage)
				{
				}

				ListViewInformationContentProvider::~ListViewInformationContentProvider()
				{
				}

				compositions::IGuiAxis* ListViewInformationContentProvider::CreatePreferredAxis()
				{
					return new GuiDefaultAxis;
				}

				GuiListControl::IItemArranger* ListViewInformationContentProvider::CreatePreferredArranger()
				{
					return new FixedHeightItemArranger;
				}

				ListViewItemStyleProvider::IListViewItemContent* ListViewInformationContentProvider::CreateItemContent(const FontProperties& font)
				{
					return new ItemContent(minIconSize, fitImage, font);
				}

				void ListViewInformationContentProvider::AttachListControl(GuiListControl* value)
				{
				}

				void ListViewInformationContentProvider::DetachListControl()
				{
				}
				
/***********************************************************************
ListViewColumnItemArranger::ColumnItemViewCallback
***********************************************************************/

				ListViewColumnItemArranger::ColumnItemViewCallback::ColumnItemViewCallback(ListViewColumnItemArranger* _arranger)
					:arranger(_arranger)
				{
				}

				ListViewColumnItemArranger::ColumnItemViewCallback::~ColumnItemViewCallback()
				{
				}

				void ListViewColumnItemArranger::ColumnItemViewCallback::OnColumnChanged()
				{
					arranger->RebuildColumns();
				}
				
/***********************************************************************
ListViewColumnItemArranger
***********************************************************************/

				const wchar_t* const ListViewColumnItemArranger::IColumnItemView::Identifier = L"vl::presentation::controls::list::ListViewColumnItemArranger::IColumnItemView";

				void ListViewColumnItemArranger::ColumnClicked(vint index, compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
				{
					GuiItemEventArgs args(listView->ColumnClicked.GetAssociatedComposition());
					args.itemIndex=index;
					listView->ColumnClicked.Execute(args);
				}

				void ListViewColumnItemArranger::ColumnBoundsChanged(vint index, compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
				{
					GuiBoundsComposition* buttonBounds=columnHeaderButtons[index]->GetBoundsComposition();
					vint size=buttonBounds->GetBounds().Width();
					if(size>columnItemView->GetColumnSize(index))
					{
						columnItemView->SetColumnSize(index, size);
					}
				}

				void ListViewColumnItemArranger::ColumnHeaderSplitterLeftButtonDown(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
				{
					if(listView->GetVisuallyEnabled())
					{
						arguments.handled=true;
						splitterDragging=true;
						splitterLatestX=arguments.x;
					}
				}

				void ListViewColumnItemArranger::ColumnHeaderSplitterLeftButtonUp(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
				{
					if(listView->GetVisuallyEnabled())
					{
						arguments.handled=true;
						splitterDragging=false;
						splitterLatestX=0;
					}
				}

				void ListViewColumnItemArranger::ColumnHeaderSplitterMouseMove(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
				{
					if(splitterDragging)
					{
						vint offset=arguments.x-splitterLatestX;
						vint index=columnHeaderSplitters.IndexOf(dynamic_cast<GuiBoundsComposition*>(sender));
						if(index!=-1)
						{
							GuiBoundsComposition* buttonBounds=columnHeaderButtons[index]->GetBoundsComposition();
							Rect bounds=buttonBounds->GetBounds();
							Rect newBounds(bounds.LeftTop(), Size(bounds.Width()+offset, bounds.Height()));
							buttonBounds->SetBounds(newBounds);

							vint finalSize=buttonBounds->GetBounds().Width();
							columnItemView->SetColumnSize(index, finalSize);
						}
					}
				}

				void ListViewColumnItemArranger::RearrangeItemBounds()
				{
					FixedHeightItemArranger::RearrangeItemBounds();
					vint count=columnHeaders->GetParent()->Children().Count();
					columnHeaders->GetParent()->MoveChild(columnHeaders, count-1);
					columnHeaders->SetBounds(Rect(Point(-viewBounds.Left(), 0), Size(0, 0)));
				}

				vint ListViewColumnItemArranger::GetWidth()
				{
					vint width=columnHeaders->GetBounds().Width()-SplitterWidth;
					if(width<SplitterWidth)
					{
						width=SplitterWidth;
					}
					return width;
				}

				vint ListViewColumnItemArranger::GetYOffset()
				{
					return columnHeaders->GetBounds().Height();
				}

				Size ListViewColumnItemArranger::OnCalculateTotalSize()
				{
					Size size=FixedHeightItemArranger::OnCalculateTotalSize();
					size.x+=SplitterWidth;
					return size;
				}

				void ListViewColumnItemArranger::DeleteColumnButtons()
				{
					for(vint i=columnHeaders->GetStackItems().Count()-1;i>=0;i--)
					{
						GuiStackItemComposition* item=columnHeaders->GetStackItems().Get(i);
						columnHeaders->RemoveChild(item);

						GuiControl* button=item->Children().Get(0)->GetAssociatedControl();
						if(button)
						{
							item->RemoveChild(button->GetBoundsComposition());
							delete button;
						}
						delete item;
					}
					columnHeaderButtons.Clear();
					columnHeaderSplitters.Clear();
				}

				void ListViewColumnItemArranger::RebuildColumns()
				{
					if(columnItemView && columnHeaderButtons.Count()==columnItemView->GetColumnCount())
					{
						for(vint i=0;i<columnItemView->GetColumnCount();i++)
						{
							GuiListViewColumnHeader* button=columnHeaderButtons[i];
							button->SetText(columnItemView->GetColumnText(i));
							button->SetSubMenu(columnItemView->GetDropdownPopup(i), false);
							button->SetColumnSortingState(columnItemView->GetSortingState(i));
							button->GetBoundsComposition()->SetBounds(Rect(Point(0, 0), Size(columnItemView->GetColumnSize(i), 0)));
						}
					}
					else
					{
						DeleteColumnButtons();
						if(columnItemView)
						{
							for(vint i=0;i<columnItemView->GetColumnCount();i++)
							{
								GuiBoundsComposition* splitterComposition=new GuiBoundsComposition;
								splitterComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
								splitterComposition->SetAssociatedCursor(GetCurrentController()->ResourceService()->GetSystemCursor(INativeCursor::SizeWE));
								splitterComposition->SetAlignmentToParent(Margin(0, 0, -1, 0));
								splitterComposition->SetPreferredMinSize(Size(SplitterWidth, 0));
								columnHeaderSplitters.Add(splitterComposition);

								splitterComposition->GetEventReceiver()->leftButtonDown.AttachMethod(this, &ListViewColumnItemArranger::ColumnHeaderSplitterLeftButtonDown);
								splitterComposition->GetEventReceiver()->leftButtonUp.AttachMethod(this, &ListViewColumnItemArranger::ColumnHeaderSplitterLeftButtonUp);
								splitterComposition->GetEventReceiver()->mouseMove.AttachMethod(this, &ListViewColumnItemArranger::ColumnHeaderSplitterMouseMove);
							}
							for(vint i=0;i<columnItemView->GetColumnCount();i++)
							{
								GuiListViewColumnHeader* button=new GuiListViewColumnHeader(styleProvider->CreateColumnStyle());
								button->SetText(columnItemView->GetColumnText(i));
								button->SetSubMenu(columnItemView->GetDropdownPopup(i), false);
								button->SetColumnSortingState(columnItemView->GetSortingState(i));
								button->GetBoundsComposition()->SetBounds(Rect(Point(0, 0), Size(columnItemView->GetColumnSize(i), 0)));
								button->Clicked.AttachLambda(Curry(Func<void(vint, GuiGraphicsComposition*, GuiEventArgs&)>(this, &ListViewColumnItemArranger::ColumnClicked))(i));
								button->GetBoundsComposition()->BoundsChanged.AttachLambda(Curry(Func<void(vint, GuiGraphicsComposition*, GuiEventArgs&)>(this, &ListViewColumnItemArranger::ColumnBoundsChanged))(i));
								columnHeaderButtons.Add(button);
								if(i>0)
								{
									button->GetContainerComposition()->AddChild(columnHeaderSplitters[i-1]);
								}

								GuiStackItemComposition* item=new GuiStackItemComposition;
								item->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
								item->AddChild(button->GetBoundsComposition());
								columnHeaders->AddChild(item);
							}
							if(columnItemView->GetColumnCount()>0)
							{
								GuiBoundsComposition* splitterComposition=columnHeaderSplitters[columnItemView->GetColumnCount()-1];

								GuiStackItemComposition* item=new GuiStackItemComposition;
								item->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
								item->AddChild(splitterComposition);
								columnHeaders->AddChild(item);
							}
						}
					}
					callback->OnTotalSizeChanged();
				}

				ListViewColumnItemArranger::ListViewColumnItemArranger()
					:listView(0)
					,styleProvider(0)
					,columnItemView(0)
					,splitterDragging(false)
					,splitterLatestX(0)
				{
					columnHeaders=new GuiStackComposition;
					columnHeaders->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					columnItemViewCallback=new ColumnItemViewCallback(this);
				}

				ListViewColumnItemArranger::~ListViewColumnItemArranger()
				{
					if(!columnHeaders->GetParent())
					{
						DeleteColumnButtons();
						delete columnHeaders;
					}
				}

				void ListViewColumnItemArranger::AttachListControl(GuiListControl* value)
				{
					FixedHeightItemArranger::AttachListControl(value);
					listView=dynamic_cast<GuiListViewBase*>(value);
					if(listView)
					{
						styleProvider=listView->GetListViewStyleProvider();
						listView->GetContainerComposition()->AddChild(columnHeaders);
						columnItemView=dynamic_cast<IColumnItemView*>(listView->GetItemProvider()->RequestView(IColumnItemView::Identifier));
						if(columnItemView)
						{
							columnItemView->AttachCallback(columnItemViewCallback.Obj());
							RebuildColumns();
						}
					}
				}

				void ListViewColumnItemArranger::DetachListControl()
				{
					if(listView)
					{
						if(columnItemView)
						{
							columnItemView->DetachCallback(columnItemViewCallback.Obj());
							listView->GetItemProvider()->ReleaseView(columnItemView);
							columnItemView=0;
						}
						listView->GetContainerComposition()->RemoveChild(columnHeaders);
						styleProvider=0;
						listView=0;
					}
					FixedHeightItemArranger::DetachListControl();
				}
				
/***********************************************************************
ListViewDetailContentProvider
***********************************************************************/

				ListViewDetailContentProvider::ItemContent::ItemContent(Size minIconSize, bool fitImage, const FontProperties& font, GuiListControl::IItemProvider* _itemProvider)
					:contentComposition(0)
					,itemProvider(_itemProvider)
				{
					columnItemView=dynamic_cast<ListViewColumnItemArranger::IColumnItemView*>(itemProvider->RequestView(ListViewColumnItemArranger::IColumnItemView::Identifier));
					contentComposition=new GuiBoundsComposition;
					contentComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);

					textTable=new GuiTableComposition;
					textTable->SetAlignmentToParent(Margin(0, 0, 0, 0));
					textTable->SetRowsAndColumns(1, 1);
					textTable->SetRowOption(0, GuiCellOption::MinSizeOption());
					textTable->SetColumnOption(0, GuiCellOption::AbsoluteOption(0));
					contentComposition->AddChild(textTable);
					{
						GuiCellComposition* cell=new GuiCellComposition;
						textTable->AddChild(cell);
						cell->SetSite(0, 0, 1, 1);

						GuiTableComposition* table=new GuiTableComposition;
						cell->AddChild(table);
						table->SetRowsAndColumns(3, 2);
						table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
						table->SetRowOption(1, GuiCellOption::MinSizeOption());
						table->SetRowOption(2, GuiCellOption::PercentageOption(0.5));
						table->SetColumnOption(0, GuiCellOption::MinSizeOption());
						table->SetColumnOption(1, GuiCellOption::PercentageOption(1.0));
						table->SetAlignmentToParent(Margin(0, 0, 0, 0));
						table->SetCellPadding(2);
						{
							GuiCellComposition* cell=new GuiCellComposition;
							table->AddChild(cell);
							cell->SetSite(1, 0, 1, 1);
							cell->SetPreferredMinSize(minIconSize);
							if (!fitImage)
							{
								cell->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
							}

							image=GuiImageFrameElement::Create();
							image->SetStretch(true);
							cell->SetOwnedElement(image);
						}
						{
							GuiCellComposition* cell=new GuiCellComposition;
							table->AddChild(cell);
							cell->SetSite(0, 1, 3, 1);
							cell->SetMargin(Margin(0, 0, 8, 0));

							text=GuiSolidLabelElement::Create();
							text->SetAlignments(Alignment::Left, Alignment::Center);
							text->SetFont(font);
							text->SetEllipse(true);
							cell->SetOwnedElement(text);
						}
					}
				}

				ListViewDetailContentProvider::ItemContent::~ItemContent()
				{
					if(columnItemView)
					{
						itemProvider->ReleaseView(columnItemView);
					}
				}

				compositions::GuiBoundsComposition* ListViewDetailContentProvider::ItemContent::GetContentComposition()
				{
					return contentComposition;
				}

				compositions::GuiBoundsComposition* ListViewDetailContentProvider::ItemContent::GetBackgroundDecorator()
				{
					return 0;
				}

				void ListViewDetailContentProvider::ItemContent::UpdateSubItemSize()
				{
					vint columnCount=columnItemView->GetColumnCount();
					if(columnCount>textTable->GetColumns())
					{
						columnCount=textTable->GetColumns();
					}
					for(vint i=0;i<columnCount;i++)
					{
						textTable->SetColumnOption(i, GuiCellOption::AbsoluteOption(columnItemView->GetColumnSize(i)));
					}
					textTable->UpdateCellBounds();
				}

				void ListViewDetailContentProvider::ItemContent::Install(GuiListViewBase::IStyleProvider* styleProvider, ListViewItemStyleProvider::IListViewItemView* view, vint itemIndex)
				{
					for(vint i=1;i<textTable->GetColumns();i++)
					{
						GuiCellComposition* cell=textTable->GetSitedCell(0, i);
						textTable->RemoveChild(cell);
						delete cell;
					}

					Ptr<GuiImageData> imageData=view->GetSmallImage(itemIndex);
					if(imageData)
					{
						image->SetImage(imageData->GetImage(), imageData->GetFrameIndex());
					}
					else
					{
						image->SetImage(0);
					}
					text->SetText(view->GetText(itemIndex));
					text->SetColor(styleProvider->GetPrimaryTextColor());

					vint columnCount=columnItemView->GetColumnCount();
					textTable->SetRowsAndColumns(1, columnCount);
					for(vint i=1;i<columnCount;i++)
					{
						GuiCellComposition* cell=new GuiCellComposition;
						textTable->AddChild(cell);
						cell->SetSite(0, i, 1, 1);
						cell->SetMargin(Margin(8, 0, 8, 0));

						GuiSolidLabelElement* subText=GuiSolidLabelElement::Create();
						subText->SetAlignments(Alignment::Left, Alignment::Center);
						subText->SetFont(text->GetFont());
						subText->SetEllipse(true);
						subText->SetText(view->GetSubItem(itemIndex, i-1));
						subText->SetColor(styleProvider->GetSecondaryTextColor());
						cell->SetOwnedElement(subText);
					}
					UpdateSubItemSize();
				}

				void ListViewDetailContentProvider::ItemContent::Uninstall()
				{
				}

				void ListViewDetailContentProvider::OnColumnChanged()
				{
					vint count=listViewItemStyleProvider->GetCreatedItemStyles().Count();
					for(vint i=0;i<count;i++)
					{
						GuiListControl::IItemStyleController* itemStyleController=listViewItemStyleProvider->GetCreatedItemStyles().Get(i);
						ItemContent* itemContent=listViewItemStyleProvider->GetItemContent<ItemContent>(itemStyleController);
						if(itemContent)
						{
							itemContent->UpdateSubItemSize();
						}
					}
				}

				ListViewDetailContentProvider::ListViewDetailContentProvider(Size _minIconSize, bool _fitImage)
					:minIconSize(_minIconSize)
					,fitImage(_fitImage)
					,itemProvider(0)
					,columnItemView(0)
					,listViewItemStyleProvider(0)
				{
				}

				ListViewDetailContentProvider::~ListViewDetailContentProvider()
				{
				}

				compositions::IGuiAxis* ListViewDetailContentProvider::CreatePreferredAxis()
				{
					return new GuiDefaultAxis;
				}

				GuiListControl::IItemArranger* ListViewDetailContentProvider::CreatePreferredArranger()
				{
					return new ListViewColumnItemArranger;
				}

				ListViewItemStyleProvider::IListViewItemContent* ListViewDetailContentProvider::CreateItemContent(const FontProperties& font)
				{
					return new ItemContent(minIconSize, fitImage, font, itemProvider);
				}

				void ListViewDetailContentProvider::AttachListControl(GuiListControl* value)
				{
					listViewItemStyleProvider=dynamic_cast<ListViewItemStyleProvider*>(value->GetStyleProvider());
					itemProvider=value->GetItemProvider();
					columnItemView=dynamic_cast<ListViewColumnItemArranger::IColumnItemView*>(itemProvider->RequestView(ListViewColumnItemArranger::IColumnItemView::Identifier));
					if(columnItemView)
					{
						columnItemView->AttachCallback(this);
					}
				}

				void ListViewDetailContentProvider::DetachListControl()
				{
					if(columnItemView)
					{
						columnItemView->DetachCallback(this);
						itemProvider->ReleaseView(columnItemView);
					}
					itemProvider=0;
					listViewItemStyleProvider=0;
				}

/***********************************************************************
ListViewSubItems
***********************************************************************/

				void ListViewSubItems::NotifyUpdateInternal(vint start, vint count, vint newCount)
				{
					owner->NotifyUpdate();
				}

/***********************************************************************
ListViewItem
***********************************************************************/

				void ListViewItem::NotifyUpdate()
				{
					if (owner)
					{
						vint index = owner->IndexOf(this);
						owner->NotifyUpdateInternal(index, 1, 1);
					}
				}

				ListViewItem::ListViewItem()
					:owner(0)
				{
					subItems.owner = this;
				}

				ListViewSubItems& ListViewItem::GetSubItems()
				{
					return subItems;
				}

				Ptr<GuiImageData> ListViewItem::GetSmallImage()
				{
					return smallImage;
				}

				void ListViewItem::SetSmallImage(Ptr<GuiImageData> value)
				{
					smallImage = value;
					NotifyUpdate();
				}

				Ptr<GuiImageData> ListViewItem::GetLargeImage()
				{
					return largeImage;
				}
				
				void ListViewItem::SetLargeImage(Ptr<GuiImageData> value)
				{
					largeImage = value;
					NotifyUpdate();
				}

				const WString& ListViewItem::GetText()
				{
					return text;
				}

				void ListViewItem::SetText(const WString& value)
				{
					text = value;
					NotifyUpdate();
				}

				description::Value ListViewItem::GetTag()
				{
					return tag;
				}

				void ListViewItem::SetTag(const description::Value& value)
				{
					tag = value;
					NotifyUpdate();
				}

/***********************************************************************
ListViewColumn
***********************************************************************/

				void ListViewColumn::NotifyUpdate()
				{
					if (owner)
					{
						vint index = owner->IndexOf(this);
						owner->NotifyUpdate(index, 1);
					}
				}

				ListViewColumn::ListViewColumn(const WString& _text, vint _size)
					:owner(0)
					,text(_text)
					,size(_size)
					,dropdownPopup(0)
					,sortingState(GuiListViewColumnHeader::NotSorted)
				{
				}

				const WString& ListViewColumn::GetText()
				{
					return text;
				}

				void ListViewColumn::SetText(const WString& value)
				{
					text = value;
					NotifyUpdate();
				}

				const WString& ListViewColumn::GetTextProperty()
				{
					return textProperty;
				}

				void ListViewColumn::SetTextProperty(const WString& value)
				{
					textProperty = value;
					NotifyUpdate();
				}

				vint ListViewColumn::GetSize()
				{
					return size;
				}

				void ListViewColumn::SetSize(vint value)
				{
					size = value;
					NotifyUpdate();
				}

				GuiMenu* ListViewColumn::GetDropdownPopup()
				{
					return dropdownPopup;
				}

				void ListViewColumn::SetDropdownPopup(GuiMenu* value)
				{
					dropdownPopup = value;
					NotifyUpdate();
				}

				GuiListViewColumnHeader::ColumnSortingState ListViewColumn::GetSortingState()
				{
					return sortingState;
				}

				void ListViewColumn::SetSortingState(GuiListViewColumnHeader::ColumnSortingState value)
				{
					sortingState = value;
					NotifyUpdate();
				}

/***********************************************************************
ListViewDataColumns
***********************************************************************/

				void ListViewDataColumns::NotifyUpdateInternal(vint start, vint count, vint newCount)
				{
					itemProvider->NotifyAllItemsUpdate();
				}

				ListViewDataColumns::ListViewDataColumns(IListViewItemProvider* _itemProvider)
					:itemProvider(_itemProvider)
				{
				}

				ListViewDataColumns::~ListViewDataColumns()
				{
				}

/***********************************************************************
ListViewColumns
***********************************************************************/

				void ListViewColumns::AfterInsert(vint index, const Ptr<ListViewColumn>& value)
				{
					ItemsBase<Ptr<ListViewColumn>>::AfterInsert(index, value);
					value->owner = this;
				}

				void ListViewColumns::BeforeRemove(vint index, const Ptr<ListViewColumn>& value)
				{
					value->owner = 0;
					ItemsBase<Ptr<ListViewColumn>>::BeforeRemove(index, value);
				}

				void ListViewColumns::NotifyUpdateInternal(vint start, vint count, vint newCount)
				{
					itemProvider->NotifyAllColumnsUpdate();
					itemProvider->NotifyAllItemsUpdate();
				}

				ListViewColumns::ListViewColumns(IListViewItemProvider* _itemProvider)
					:itemProvider(_itemProvider)
				{
				}

				ListViewColumns::~ListViewColumns()
				{
				}

/***********************************************************************
ListViewItemProvider
***********************************************************************/

				void ListViewItemProvider::AfterInsert(vint index, const Ptr<ListViewItem>& value)
				{
					ListProvider<Ptr<ListViewItem>>::AfterInsert(index, value);
					value->owner = this;
				}

				void ListViewItemProvider::BeforeRemove(vint index, const Ptr<ListViewItem>& value)
				{
					value->owner = 0;
					ListProvider<Ptr<ListViewItem>>::AfterInsert(index, value);
				}

				void ListViewItemProvider::NotifyAllItemsUpdate()
				{
					NotifyUpdate(0, Count());
				}

				void ListViewItemProvider::NotifyAllColumnsUpdate()
				{
					for (vint i = 0; i < columnItemViewCallbacks.Count(); i++)
					{
						columnItemViewCallbacks[i]->OnColumnChanged();
					}
				}

				bool ListViewItemProvider::ContainsPrimaryText(vint itemIndex)
				{
					return true;
				}

				WString ListViewItemProvider::GetPrimaryTextViewText(vint itemIndex)
				{
					return Get(itemIndex)->text;
				}

				Ptr<GuiImageData> ListViewItemProvider::GetSmallImage(vint itemIndex)
				{
					return Get(itemIndex)->smallImage;
				}

				Ptr<GuiImageData> ListViewItemProvider::GetLargeImage(vint itemIndex)
				{
					return Get(itemIndex)->largeImage;
				}

				WString ListViewItemProvider::GetText(vint itemIndex)
				{
					return Get(itemIndex)->text;
				}

				WString ListViewItemProvider::GetSubItem(vint itemIndex, vint index)
				{
					Ptr<ListViewItem> item=Get(itemIndex);
					if(index<0 || index>=item->GetSubItems().Count())
					{
						return L"";
					}
					else
					{
						return item->GetSubItems()[index];
					}
				}

				vint ListViewItemProvider::GetDataColumnCount()
				{
					return dataColumns.Count();
				}

				vint ListViewItemProvider::GetDataColumn(vint index)
				{
					return dataColumns[index];
				}

				bool ListViewItemProvider::AttachCallback(ListViewColumnItemArranger::IColumnItemViewCallback* value)
				{
					if(columnItemViewCallbacks.Contains(value))
					{
						return false;
					}
					else
					{
						columnItemViewCallbacks.Add(value);
						return true;
					}
				}

				bool ListViewItemProvider::DetachCallback(ListViewColumnItemArranger::IColumnItemViewCallback* value)
				{
					vint index=columnItemViewCallbacks.IndexOf(value);
					if(index==-1)
					{
						return false;
					}
					else
					{
						columnItemViewCallbacks.Remove(value);
						return true;
					}
				}

				vint ListViewItemProvider::GetColumnCount()
				{
					return columns.Count();
				}

				WString ListViewItemProvider::GetColumnText(vint index)
				{
					if(index<0 || index>=columns.Count())
					{
						return L"";
					}
					else
					{
						return columns[index]->GetText();
					}
				}

				vint ListViewItemProvider::GetColumnSize(vint index)
				{
					if(index<0 || index>=columns.Count())
					{
						return 0;
					}
					else
					{
						return columns[index]->GetSize();
					}
				}

				void ListViewItemProvider::SetColumnSize(vint index, vint value)
				{
					if(index>=0 && index<columns.Count())
					{
						columns[index]->SetSize(value);
					}
				}

				GuiMenu* ListViewItemProvider::GetDropdownPopup(vint index)
				{
					if(index<0 || index>=columns.Count())
					{
						return 0;
					}
					else
					{
						return columns[index]->GetDropdownPopup();
					}
				}

				GuiListViewColumnHeader::ColumnSortingState ListViewItemProvider::GetSortingState(vint index)
				{
					if(index<0 || index>=columns.Count())
					{
						return GuiListViewColumnHeader::NotSorted;
					}
					else
					{
						return columns[index]->GetSortingState();
					}
				}

				description::Value ListViewItemProvider::GetBindingValue(vint itemIndex)
				{
					return Value::From(Get(itemIndex));
				}

				ListViewItemProvider::ListViewItemProvider()
					:columns(this)
					, dataColumns(this)
				{
				}

				ListViewItemProvider::~ListViewItemProvider()
				{
				}

				IDescriptable* ListViewItemProvider::RequestView(const WString& identifier)
				{
					if(identifier==ListViewItemStyleProvider::IListViewItemView::Identifier)
					{
						return (ListViewItemStyleProvider::IListViewItemView*)this;
					}
					else if(identifier==ListViewColumnItemArranger::IColumnItemView::Identifier)
					{
						return (ListViewColumnItemArranger::IColumnItemView*)this;
					}
					else if(identifier==GuiListControl::IItemPrimaryTextView::Identifier)
					{
						return (GuiListControl::IItemPrimaryTextView*)this;
					}
					else if(identifier==GuiListControl::IItemBindingView::Identifier)
					{
						return (GuiListControl::IItemBindingView*)this;
					}
					else
					{
						return 0;
					}
				}

				void ListViewItemProvider::ReleaseView(IDescriptable* view)
				{
				}

				ListViewDataColumns& ListViewItemProvider::GetDataColumns()
				{
					return dataColumns;
				}

				ListViewColumns& ListViewItemProvider::GetColumns()
				{
					return columns;
				}
			}

/***********************************************************************
GuiListView
***********************************************************************/

			GuiVirtualListView::GuiVirtualListView(IStyleProvider* _styleProvider, GuiListControl::IItemProvider* _itemProvider)
				:GuiListViewBase(_styleProvider, _itemProvider)
			{
				ChangeItemStyle(new list::ListViewBigIconContentProvider);
			}

			GuiVirtualListView::~GuiVirtualListView()
			{
			}

			bool GuiVirtualListView::ChangeItemStyle(Ptr<list::ListViewItemStyleProvider::IListViewItemContentProvider> contentProvider)
			{
				SetStyleProvider(0);
				SetArranger(0);
				SetAxis(contentProvider->CreatePreferredAxis());
				SetStyleProvider(new list::ListViewItemStyleProvider(contentProvider));
				SetArranger(contentProvider->CreatePreferredArranger());
				return true;
			}

/***********************************************************************
GuiListView
***********************************************************************/

			GuiListView::GuiListView(IStyleProvider* _styleProvider)
				:GuiVirtualListView(_styleProvider, new list::ListViewItemProvider)
			{
				items=dynamic_cast<list::ListViewItemProvider*>(itemProvider.Obj());
			}

			GuiListView::~GuiListView()
			{
			}

			list::ListViewItemProvider& GuiListView::GetItems()
			{
				return *items;
			}

			list::ListViewDataColumns& GuiListView::GetDataColumns()
			{
				return items->GetDataColumns();
			}

			list::ListViewColumns& GuiListView::GetColumns()
			{
				return items->GetColumns();
			}

			Ptr<list::ListViewItem> GuiListView::GetSelectedItem()
			{
				vint index = GetSelectedItemIndex();
				if (index == -1) return 0;
				return items->Get(index);
			}
		}
	}
}

/***********************************************************************
CONTROLS\LISTCONTROLPACKAGE\GUITEXTLISTCONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace reflection::description;

			namespace list
			{

/***********************************************************************
TextItemStyleProvider::TextItemStyleController
***********************************************************************/

				void TextItemStyleProvider::TextItemStyleController::OnBulletSelectedChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
				{
					textItemStyleProvider->OnStyleCheckedChanged(this);
				}

				TextItemStyleProvider::TextItemStyleController::TextItemStyleController(TextItemStyleProvider* provider)
					:ItemStyleControllerBase(provider, 0)
					,backgroundButton(0)
					,bulletButton(0)
					,textElement(0)
					,textItemStyleProvider(provider)
				{
					auto styleProvider = textItemStyleProvider->listControl->GetTextListStyleProvider();

					backgroundButton=new GuiSelectableButton(styleProvider->CreateItemBackground());
					backgroundButton->SetAutoSelection(false);
					
					textElement=GuiSolidLabelElement::Create();
					textElement->SetAlignments(Alignment::Left, Alignment::Center);
					textElement->SetFont(backgroundButton->GetFont());
					textElement->SetColor(styleProvider->GetTextColor());

					GuiBoundsComposition* textComposition=new GuiBoundsComposition;
					textComposition->SetOwnedElement(textElement);
					textComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);

					GuiSelectableButton::IStyleController* bulletStyleController=textItemStyleProvider->bulletFactory->CreateBulletStyleController();
					if(bulletStyleController)
					{
						bulletButton=new GuiSelectableButton(bulletStyleController);
						bulletButton->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
						bulletButton->SelectedChanged.AttachMethod(this, &TextItemStyleController::OnBulletSelectedChanged);

						GuiTableComposition* table=new GuiTableComposition;
						backgroundButton->GetContainerComposition()->AddChild(table);
						table->SetAlignmentToParent(Margin(0, 0, 0, 0));
						table->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
						table->SetRowsAndColumns(1, 2);
						table->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
						table->SetColumnOption(0, GuiCellOption::MinSizeOption());
						table->SetColumnOption(1, GuiCellOption::PercentageOption(1.0));
						{
							GuiCellComposition* cell=new GuiCellComposition;
							table->AddChild(cell);
							cell->SetSite(0, 0, 1, 1);
							cell->AddChild(bulletButton->GetBoundsComposition());
						}
						{
							GuiCellComposition* cell=new GuiCellComposition;
							table->AddChild(cell);
							cell->SetSite(0, 1, 1, 1);
							cell->AddChild(textComposition);
							textComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
						}
					}
					else
					{
						backgroundButton->GetContainerComposition()->AddChild(textComposition);
						textComposition->SetAlignmentToParent(Margin(5, 0, 0, 0));
					}
					Initialize(backgroundButton->GetBoundsComposition(), backgroundButton);
				}

				TextItemStyleProvider::TextItemStyleController::~TextItemStyleController()
				{
				}

				bool TextItemStyleProvider::TextItemStyleController::GetSelected()
				{
					return backgroundButton->GetSelected();
				}

				void TextItemStyleProvider::TextItemStyleController::SetSelected(bool value)
				{
					backgroundButton->SetSelected(value);
				}

				bool TextItemStyleProvider::TextItemStyleController::GetChecked()
				{
					return bulletButton?bulletButton->GetSelected():false;
				}

				void TextItemStyleProvider::TextItemStyleController::SetChecked(bool value)
				{
					if(bulletButton) bulletButton->SetSelected(value);
				}
				
				const WString& TextItemStyleProvider::TextItemStyleController::GetText()
				{
					return textElement->GetText();
				}

				void TextItemStyleProvider::TextItemStyleController::SetText(const WString& value)
				{
					textElement->SetText(value);
				}

/***********************************************************************
TextItemStyleProvider
***********************************************************************/

				const wchar_t* const TextItemStyleProvider::ITextItemView::Identifier = L"vl::presentation::controls::list::TextItemStyleProvider::ITextItemView";

				void TextItemStyleProvider::OnStyleCheckedChanged(TextItemStyleController* style)
				{
					vint index=listControl->GetArranger()->GetVisibleIndex(style);
					if(index!=-1)
					{
						textItemView->SetCheckedSilently(index, style->GetChecked());

						GuiItemEventArgs arguments(style->GetBoundsComposition());
						arguments.itemIndex=index;
						listControl->ItemChecked.Execute(arguments);
					}
				}

				TextItemStyleProvider::TextItemStyleProvider(IBulletFactory* _bulletFactory)
					:bulletFactory(_bulletFactory)
					,textItemView(0)
					,listControl(0)
				{
				}

				TextItemStyleProvider::~TextItemStyleProvider()
				{
				}

				void TextItemStyleProvider::AttachListControl(GuiListControl* value)
				{
					listControl=dynamic_cast<GuiVirtualTextList*>(value);
					textItemView=dynamic_cast<ITextItemView*>(value->GetItemProvider()->RequestView(ITextItemView::Identifier));
				}

				void TextItemStyleProvider::DetachListControl()
				{
					listControl->GetItemProvider()->ReleaseView(textItemView);
					textItemView=0;
					listControl=0;
				}

				vint TextItemStyleProvider::GetItemStyleId(vint itemIndex)
				{
					return 0;
				}

				GuiListControl::IItemStyleController* TextItemStyleProvider::CreateItemStyle(vint styleId)
				{
					return new TextItemStyleController(this);
				}

				void TextItemStyleProvider::DestroyItemStyle(GuiListControl::IItemStyleController* style)
				{
					delete dynamic_cast<TextItemStyleController*>(style);
				}

				void TextItemStyleProvider::Install(GuiListControl::IItemStyleController* style, vint itemIndex)
				{
					TextItemStyleController* textStyle=dynamic_cast<TextItemStyleController*>(style);
					textStyle->SetText(textItemView->GetText(itemIndex));
					textStyle->SetChecked(textItemView->GetChecked(itemIndex));
				}

				void TextItemStyleProvider::SetStyleIndex(GuiListControl::IItemStyleController* style, vint value)
				{
				}

				void TextItemStyleProvider::SetStyleSelected(GuiListControl::IItemStyleController* style, bool value)
				{
					TextItemStyleController* textStyle=dynamic_cast<TextItemStyleController*>(style);
					textStyle->SetSelected(value);
				}

/***********************************************************************
TextItem
***********************************************************************/

				TextItem::TextItem()
					:owner(0)
					, checked(false)
				{
				}

				TextItem::TextItem(const WString& _text, bool _checked)
					:owner(0)
					, text(_text)
					, checked(_checked)
				{
				}

				TextItem::~TextItem()
				{
				}

				bool TextItem::operator==(const TextItem& value)const
				{
					return text==value.text;
				}

				bool TextItem::operator!=(const TextItem& value)const
				{
					return text!=value.text;
				}

				const WString& TextItem::GetText()
				{
					return text;
				}

				void TextItem::SetText(const WString& value)
				{
					text = value;
					if (owner)
					{
						vint index = owner->IndexOf(this);
						owner->InvokeOnItemModified(index, 1, 1);
					}
				}

				bool TextItem::GetChecked()
				{
					return checked;
				}

				void TextItem::SetChecked(bool value)
				{
					checked = value;
					if (owner)
					{
						vint index = owner->IndexOf(this);
						owner->InvokeOnItemModified(index, 1, 1);

						GuiItemEventArgs arguments;
						arguments.itemIndex=index;
						owner->listControl->ItemChecked.Execute(arguments);
					}
				}

/***********************************************************************
TextItemProvider
***********************************************************************/

				void TextItemProvider::AfterInsert(vint item, const Ptr<TextItem>& value)
				{
					ListProvider<Ptr<TextItem>>::AfterInsert(item, value);
					value->owner = this;
				}

				void TextItemProvider::BeforeRemove(vint item, const Ptr<TextItem>& value)
				{
					value->owner = 0;
					ListProvider<Ptr<TextItem>>::BeforeRemove(item, value);
				}

				bool TextItemProvider::ContainsPrimaryText(vint itemIndex)
				{
					return true;
				}

				WString TextItemProvider::GetPrimaryTextViewText(vint itemIndex)
				{
					return Get(itemIndex)->GetText();
				}
				
				WString TextItemProvider::GetText(vint itemIndex)
				{
					return Get(itemIndex)->GetText();
				}

				bool TextItemProvider::GetChecked(vint itemIndex)
				{
					return Get(itemIndex)->GetChecked();
				}

				void TextItemProvider::SetCheckedSilently(vint itemIndex, bool value)
				{
					items[itemIndex]->checked=value;
				}

				description::Value TextItemProvider::GetBindingValue(vint itemIndex)
				{
					return Value::From(Get(itemIndex));
				}

				TextItemProvider::TextItemProvider()
					:listControl(0)
				{
				}

				TextItemProvider::~TextItemProvider()
				{
				}

				IDescriptable* TextItemProvider::RequestView(const WString& identifier)
				{
					if(identifier==TextItemStyleProvider::ITextItemView::Identifier)
					{
						return (TextItemStyleProvider::ITextItemView*)this;
					}
					else if(identifier==GuiListControl::IItemPrimaryTextView::Identifier)
					{
						return (GuiListControl::IItemPrimaryTextView*)this;
					}
					else if(identifier==GuiListControl::IItemBindingView::Identifier)
					{
						return (GuiListControl::IItemBindingView*)this;
					}
					else
					{
						return 0;
					}
				}

				void TextItemProvider::ReleaseView(IDescriptable* view)
				{
				}
			}

/***********************************************************************
GuiTextList
***********************************************************************/

			GuiVirtualTextList::GuiVirtualTextList(IStyleProvider* _styleProvider, list::TextItemStyleProvider::IBulletFactory* _bulletFactory, GuiListControl::IItemProvider* _itemProvider)
				:GuiSelectableListControl(_styleProvider, _itemProvider)
			{
				ItemChecked.SetAssociatedComposition(boundsComposition);

				styleProvider = dynamic_cast<IStyleProvider*>(styleController->GetStyleProvider());
				ChangeItemStyle(_bulletFactory);
				SetArranger(new list::FixedHeightItemArranger);
			}

			GuiVirtualTextList::~GuiVirtualTextList()
			{
			}

			GuiVirtualTextList::IStyleProvider* GuiVirtualTextList::GetTextListStyleProvider()
			{
				return styleProvider;
			}

			Ptr<GuiListControl::IItemStyleProvider> GuiVirtualTextList::ChangeItemStyle(list::TextItemStyleProvider::IBulletFactory* bulletFactory)
			{
				if(bulletFactory)
				{
					return SetStyleProvider(new list::TextItemStyleProvider(bulletFactory));
				}
				else
				{
					return 0;
				}
			}

/***********************************************************************
GuiTextList
***********************************************************************/

			GuiTextList::GuiTextList(IStyleProvider* _styleProvider, list::TextItemStyleProvider::IBulletFactory* _bulletFactory)
				:GuiVirtualTextList(_styleProvider, _bulletFactory, new list::TextItemProvider)
			{
				items=dynamic_cast<list::TextItemProvider*>(itemProvider.Obj());
				items->listControl=this;
			}

			GuiTextList::~GuiTextList()
			{
			}

			list::TextItemProvider& GuiTextList::GetItems()
			{
				return *items;
			}

			Ptr<list::TextItem> GuiTextList::GetSelectedItem()
			{
				vint index = GetSelectedItemIndex();
				if (index == -1) return 0;
				return items->Get(index);
			}
		}
	}
}

/***********************************************************************
CONTROLS\LISTCONTROLPACKAGE\GUITREEVIEWCONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace elements;
			using namespace compositions;
			using namespace reflection::description;

			namespace tree
			{
				const wchar_t* const INodeItemView::Identifier = L"vl::presentation::controls::tree::INodeItemView";
				const wchar_t* const INodeItemPrimaryTextView::Identifier = L"vl::presentation::cotnrols::tree::INodeItemPrimaryTextView";
				const wchar_t* const INodeItemBindingView::Identifier = L"vl::presentation::cotnrols::tree::INodeItemBindingView";

/***********************************************************************
NodeItemProvider
***********************************************************************/

				INodeProvider* NodeItemProvider::GetNodeByOffset(INodeProvider* provider, vint offset)
				{
					if(offset==0) return provider;
					INodeProvider* result=0;
					if(provider->GetExpanding() && offset>0)
					{
						offset-=1;
						vint count=provider->GetChildCount();
						for(vint i=0;(!result && i<count);i++)
						{
							INodeProvider* child=provider->GetChild(i);
							vint visibleCount=child->CalculateTotalVisibleNodes();
							if(offset<visibleCount)
							{
								result=GetNodeByOffset(child, offset);
							}
							else
							{
								offset-=visibleCount;
							}
						}
					}
					ReleaseNode(provider);
					return result;
				}

				void NodeItemProvider::OnAttached(INodeRootProvider* provider)
				{
				}

				void NodeItemProvider::OnBeforeItemModified(INodeProvider* parentNode, vint start, vint count, vint newCount)
				{
					vint offset = 0;
					vint base=CalculateNodeVisibilityIndexInternal(parentNode);
					if(base!=-2 && parentNode->GetExpanding())
					{
						for(vint i=0;i<count;i++)
						{
							INodeProvider* child=parentNode->GetChild(start+i);
							offset+=child->CalculateTotalVisibleNodes();
							child->Release();
						}
					}
					offsetBeforeChildModifieds.Set(parentNode, offset);
				}

				void NodeItemProvider::OnAfterItemModified(INodeProvider* parentNode, vint start, vint count, vint newCount)
				{
					vint offsetBeforeChildModified = 0;
					{
						vint index = offsetBeforeChildModifieds.Keys().IndexOf(parentNode);
						if (index != -1)
						{
							offsetBeforeChildModified = offsetBeforeChildModifieds.Values().Get(index);
							offsetBeforeChildModifieds.Remove(parentNode);
						}
					}

					vint base=CalculateNodeVisibilityIndexInternal(parentNode);
					if(base!=-2 && parentNode->GetExpanding())
					{
						vint offset=0;
						vint firstChildStart=-1;
						for(vint i=0;i<newCount;i++)
						{
							INodeProvider* child=parentNode->GetChild(start+i);
							if(i==0)
							{
								firstChildStart=CalculateNodeVisibilityIndexInternal(child);
							}
							offset+=child->CalculateTotalVisibleNodes();
							child->Release();
						}

						if(firstChildStart==-1)
						{
							vint childCount=parentNode->GetChildCount();
							if(childCount==0)
							{
								firstChildStart=base+1;
							}
							else if(start<childCount)
							{
								INodeProvider* child=parentNode->GetChild(start);
								firstChildStart=CalculateNodeVisibilityIndexInternal(child);
								child->Release();
							}
							else
							{
								INodeProvider* child=parentNode->GetChild(start-1);
								firstChildStart=CalculateNodeVisibilityIndexInternal(child);
								firstChildStart+=child->CalculateTotalVisibleNodes();
								child->Release();
							}
						}
						InvokeOnItemModified(firstChildStart, offsetBeforeChildModified, offset);
					}
				}

				void NodeItemProvider::OnItemExpanded(INodeProvider* node)
				{
					vint base=CalculateNodeVisibilityIndexInternal(node);
					if(base!=-2)
					{
						vint visibility=node->CalculateTotalVisibleNodes();
						InvokeOnItemModified(base+1, 0, visibility-1);
					}
				}

				void NodeItemProvider::OnItemCollapsed(INodeProvider* node)
				{
					vint base=CalculateNodeVisibilityIndexInternal(node);
					if(base!=-2)
					{
						vint visibility=0;
						vint count=node->GetChildCount();
						for(vint i=0;i<count;i++)
						{
							INodeProvider* child=node->GetChild(i);
							visibility+=child->CalculateTotalVisibleNodes();
							child->Release();
						}
						InvokeOnItemModified(base+1, visibility, 0);
					}
				}

				vint NodeItemProvider::CalculateNodeVisibilityIndexInternal(INodeProvider* node)
				{
					INodeProvider* parent=node->GetParent();
					if(parent==0)
					{
						return -1;
					}
					if(!parent->GetExpanding())
					{
						return -2;
					}

					vint index=CalculateNodeVisibilityIndexInternal(parent);
					if(index==-2)
					{
						return -2;
					}

					vint count=parent->GetChildCount();
					for(vint i=0;i<count;i++)
					{
						INodeProvider* child=parent->GetChild(i);
						bool findResult=child==node;
						if(findResult)
						{
							index++;
						}
						else
						{
							index+=child->CalculateTotalVisibleNodes();
						}
						child->Release();
						if(findResult)
						{
							return index;
						}
					}
					return -1;
				}

				vint NodeItemProvider::CalculateNodeVisibilityIndex(INodeProvider* node)
				{
					vint result=CalculateNodeVisibilityIndexInternal(node);
					return result<0?-1:result;
				}

				bool NodeItemProvider::ContainsPrimaryText(vint itemIndex)
				{
					if(nodeItemPrimaryTextView)
					{
						INodeProvider* node=RequestNode(itemIndex);
						if(node)
						{
							bool result=node->GetChildCount()==0;
							ReleaseNode(node);
							return result;
						}
					}
					return true;
				}

				WString NodeItemProvider::GetPrimaryTextViewText(vint itemIndex)
				{
					if(nodeItemPrimaryTextView)
					{
						INodeProvider* node=RequestNode(itemIndex);
						if(node)
						{
							WString result=nodeItemPrimaryTextView->GetPrimaryTextViewText(node);
							ReleaseNode(node);
							return result;
						}
					}
					return L"";
				}

				INodeProvider* NodeItemProvider::RequestNode(vint index)
				{
					if(root->CanGetNodeByVisibleIndex())
					{
						return root->GetNodeByVisibleIndex(index+1);
					}
					else
					{
						return GetNodeByOffset(root->GetRootNode(), index+1);
					}
				}

				void NodeItemProvider::ReleaseNode(INodeProvider* node)
				{
					if(node)
					{
						node->Release();
					}
				}

				NodeItemProvider::NodeItemProvider(Ptr<INodeRootProvider> _root)
					:root(_root)
				{
					root->AttachCallback(this);
					nodeItemPrimaryTextView=dynamic_cast<INodeItemPrimaryTextView*>(root->RequestView(INodeItemPrimaryTextView::Identifier));
				}

				NodeItemProvider::~NodeItemProvider()
				{
					if(nodeItemPrimaryTextView)
					{
						root->ReleaseView(nodeItemPrimaryTextView);
					}
					root->DetachCallback(this);
				}

				Ptr<INodeRootProvider> NodeItemProvider::GetRoot()
				{
					return root;
				}

				vint NodeItemProvider::Count()
				{
					return root->GetRootNode()->CalculateTotalVisibleNodes()-1;
				}

				IDescriptable* NodeItemProvider::RequestView(const WString& identifier)
				{
					if(identifier==INodeItemView::Identifier)
					{
						return (INodeItemView*)this;
					}
					else if(identifier==GuiListControl::IItemPrimaryTextView::Identifier)
					{
						return (GuiListControl::IItemPrimaryTextView*)this;
					}
					else
					{
						return root->RequestView(identifier);
					}
				}

				void NodeItemProvider::ReleaseView(IDescriptable* view)
				{
					if(dynamic_cast<INodeItemView*>(view)==0)
					{
						root->ReleaseView(view);
					}
				}

/***********************************************************************
NodeItemProvider
***********************************************************************/

				NodeItemStyleProvider::NodeItemStyleProvider(Ptr<INodeItemStyleProvider> provider)
					:nodeItemStyleProvider(provider)
					,listControl(0)
					,nodeItemView(0)
				{
					nodeItemStyleProvider->BindItemStyleProvider(this);
				}

				NodeItemStyleProvider::~NodeItemStyleProvider()
				{
				}

				void NodeItemStyleProvider::AttachListControl(GuiListControl* value)
				{
					listControl=value;
					nodeItemView=dynamic_cast<INodeItemView*>(listControl->GetItemProvider()->RequestView(INodeItemView::Identifier));
					nodeItemStyleProvider->AttachListControl(value);
				}

				void NodeItemStyleProvider::DetachListControl()
				{
					nodeItemStyleProvider->DetachListControl();
					if(nodeItemView)
					{
						listControl->GetItemProvider()->ReleaseView(nodeItemView);
						nodeItemView=0;
					}
					listControl=0;
				}

				vint NodeItemStyleProvider::GetItemStyleId(vint itemIndex)
				{
					vint result=-1;
					if(nodeItemView)
					{
						INodeProvider* node=nodeItemView->RequestNode(itemIndex);
						if(node)
						{
							result=nodeItemStyleProvider->GetItemStyleId(node);
							nodeItemView->ReleaseNode(node);
						}
					}
					return result;
				}

				GuiListControl::IItemStyleController* NodeItemStyleProvider::CreateItemStyle(vint styleId)
				{
					return nodeItemStyleProvider->CreateItemStyle(styleId);
				}

				void NodeItemStyleProvider::DestroyItemStyle(GuiListControl::IItemStyleController* style)
				{
					INodeItemStyleController* nodeStyle=dynamic_cast<INodeItemStyleController*>(style);
					if(nodeStyle)
					{
						nodeItemStyleProvider->DestroyItemStyle(nodeStyle);
					}
				}

				void NodeItemStyleProvider::Install(GuiListControl::IItemStyleController* style, vint itemIndex)
				{
					if(nodeItemView)
					{
						INodeItemStyleController* nodeStyle=dynamic_cast<INodeItemStyleController*>(style);
						if(nodeStyle)
						{
							INodeProvider* node=nodeItemView->RequestNode(itemIndex);
							if(node)
							{
								nodeItemStyleProvider->Install(nodeStyle, node, itemIndex);
							}
						}
					}
				}

				void NodeItemStyleProvider::SetStyleIndex(GuiListControl::IItemStyleController* style, vint value)
				{
					if(nodeItemView)
					{
						INodeItemStyleController* nodeStyle=dynamic_cast<INodeItemStyleController*>(style);
						if(nodeStyle)
						{
							nodeItemStyleProvider->SetStyleIndex(nodeStyle, value);
						}
					}
				}

				void NodeItemStyleProvider::SetStyleSelected(GuiListControl::IItemStyleController* style, bool value)
				{
					if(nodeItemView)
					{
						INodeItemStyleController* nodeStyle=dynamic_cast<INodeItemStyleController*>(style);
						if(nodeStyle)
						{
							nodeItemStyleProvider->SetStyleSelected(nodeStyle, value);
						}
					}
				}

/***********************************************************************
MemoryNodeProvider::NodeCollection
***********************************************************************/

				void MemoryNodeProvider::NodeCollection::OnBeforeChildModified(vint start, vint count, vint newCount)
				{
					ownerProvider->offsetBeforeChildModified=0;
					if(ownerProvider->expanding)
					{
						for(vint i=0;i<count;i++)
						{
							ownerProvider->offsetBeforeChildModified+=items[start+i]->totalVisibleNodeCount;
						}
					}
					INodeProviderCallback* proxy=ownerProvider->GetCallbackProxyInternal();
					if(proxy)
					{
						proxy->OnBeforeItemModified(ownerProvider, start, count, newCount);
					}
				}

				void MemoryNodeProvider::NodeCollection::OnAfterChildModified(vint start, vint count, vint newCount)
				{
					ownerProvider->childCount+=(newCount-count);
					if(ownerProvider->expanding)
					{
						vint offset=0;
						for(vint i=0;i<newCount;i++)
						{
							offset+=items[start+i]->totalVisibleNodeCount;
						}
						ownerProvider->OnChildTotalVisibleNodesChanged(offset-ownerProvider->offsetBeforeChildModified);
					}
					INodeProviderCallback* proxy=ownerProvider->GetCallbackProxyInternal();
					if(proxy)
					{
						proxy->OnAfterItemModified(ownerProvider, start, count, newCount);
					}
				}

				bool MemoryNodeProvider::NodeCollection::QueryInsert(vint index, Ptr<MemoryNodeProvider> const& child)
				{
					return child->parent == 0;
				}

				bool MemoryNodeProvider::NodeCollection::QueryRemove(vint index, Ptr<MemoryNodeProvider> const& child)
				{
					return child->parent == ownerProvider;
				}

				void MemoryNodeProvider::NodeCollection::BeforeInsert(vint index, Ptr<MemoryNodeProvider> const& child)
				{
					OnBeforeChildModified(index, 0, 1);
					child->parent = ownerProvider;
				}

				void MemoryNodeProvider::NodeCollection::BeforeRemove(vint index, Ptr<MemoryNodeProvider> const& child)
				{
					OnBeforeChildModified(index, 1, 0);
					child->parent = 0;
				}

				void MemoryNodeProvider::NodeCollection::AfterInsert(vint index, Ptr<MemoryNodeProvider> const& child)
				{
					OnAfterChildModified(index, 0, 1);
				}

				void MemoryNodeProvider::NodeCollection::AfterRemove(vint index, vint count)
				{
					OnAfterChildModified(index, count, 0);
				}

				MemoryNodeProvider::NodeCollection::NodeCollection()
					:ownerProvider(0)
				{
				}

/***********************************************************************
MemoryNodeProvider
***********************************************************************/

				INodeProviderCallback* MemoryNodeProvider::GetCallbackProxyInternal()
				{
					if(parent)
					{
						return parent->GetCallbackProxyInternal();
					}
					else
					{
						return 0;
					}
				}

				void MemoryNodeProvider::OnChildTotalVisibleNodesChanged(vint offset)
				{
					totalVisibleNodeCount+=offset;
					if(parent)
					{
						parent->OnChildTotalVisibleNodesChanged(offset);
					}
				}

				MemoryNodeProvider::MemoryNodeProvider()
					:parent(0)
					,expanding(false)
					,childCount(0)
					,totalVisibleNodeCount(1)
					,offsetBeforeChildModified(0)
				{
					children.ownerProvider=this;
				}

				MemoryNodeProvider::MemoryNodeProvider(const Ptr<IMemoryNodeData>& _data)
					:parent(0)
					,expanding(false)
					,childCount(0)
					,totalVisibleNodeCount(1)
					,offsetBeforeChildModified(0)
					,data(_data)
				{
					children.ownerProvider=this;
				}

				MemoryNodeProvider::~MemoryNodeProvider()
				{
				}

				Ptr<IMemoryNodeData> MemoryNodeProvider::GetData()
				{
					return data;
				}

				void MemoryNodeProvider::SetData(const Ptr<IMemoryNodeData>& value)
				{
					data=value;
					NotifyDataModified();
				}

				void MemoryNodeProvider::NotifyDataModified()
				{
					if(parent)
					{
						vint index=parent->children.IndexOf(this);
						INodeProviderCallback* proxy=GetCallbackProxyInternal();
						if(proxy)
						{
							proxy->OnBeforeItemModified(parent, index, 1, 1);
							proxy->OnAfterItemModified(parent, index, 1, 1);
						}
					}
				}

				MemoryNodeProvider::NodeCollection& MemoryNodeProvider::Children()
				{
					return children;
				}

				bool MemoryNodeProvider::GetExpanding()
				{
					return expanding;
				}

				void MemoryNodeProvider::SetExpanding(bool value)
				{
					if(expanding!=value)
					{
						expanding=value;
						vint offset=0;
						for(vint i=0;i<childCount;i++)
						{
							offset+=children[i]->totalVisibleNodeCount;
						}

						OnChildTotalVisibleNodesChanged(expanding?offset:-offset);
						INodeProviderCallback* proxy=GetCallbackProxyInternal();
						if(proxy)
						{
							if(expanding)
							{
								proxy->OnItemExpanded(this);
							}
							else
							{
								proxy->OnItemCollapsed(this);
							}
						}
					}
				}

				vint MemoryNodeProvider::CalculateTotalVisibleNodes()
				{
					return totalVisibleNodeCount;
				}

				vint MemoryNodeProvider::GetChildCount()
				{
					return childCount;
				}

				INodeProvider* MemoryNodeProvider::GetParent()
				{
					return parent;
				}

				INodeProvider* MemoryNodeProvider::GetChild(vint index)
				{
					if(0<=index && index<childCount)
					{
						return children[index].Obj();
					}
					else
					{
						return 0;
					}
				}

				void MemoryNodeProvider::Increase()
				{
				}

				void MemoryNodeProvider::Release()
				{
				}

/***********************************************************************
NodeRootProviderBase
***********************************************************************/

				void NodeRootProviderBase::OnAttached(INodeRootProvider* provider)
				{
				}

				void NodeRootProviderBase::OnBeforeItemModified(INodeProvider* parentNode, vint start, vint count, vint newCount)
				{
					for(vint i=0;i<callbacks.Count();i++)
					{
						callbacks[i]->OnBeforeItemModified(parentNode, start, count, newCount);
					}
				}

				void NodeRootProviderBase::OnAfterItemModified(INodeProvider* parentNode, vint start, vint count, vint newCount)
				{
					for(vint i=0;i<callbacks.Count();i++)
					{
						callbacks[i]->OnAfterItemModified(parentNode, start, count, newCount);
					}
				}

				void NodeRootProviderBase::OnItemExpanded(INodeProvider* node)
				{
					for(vint i=0;i<callbacks.Count();i++)
					{
						callbacks[i]->OnItemExpanded(node);
					}
				}

				void NodeRootProviderBase::OnItemCollapsed(INodeProvider* node)
				{
					for(vint i=0;i<callbacks.Count();i++)
					{
						callbacks[i]->OnItemCollapsed(node);
					}
				}

				NodeRootProviderBase::NodeRootProviderBase()
				{
				}

				NodeRootProviderBase::~NodeRootProviderBase()
				{
				}

				bool NodeRootProviderBase::CanGetNodeByVisibleIndex()
				{
					return false;
				}

				INodeProvider* NodeRootProviderBase::GetNodeByVisibleIndex(vint index)
				{
					return 0;
				}

				bool NodeRootProviderBase::AttachCallback(INodeProviderCallback* value)
				{
					if(callbacks.Contains(value))
					{
						return false;
					}
					else
					{
						callbacks.Add(value);
						value->OnAttached(this);
						return true;
					}
				}

				bool NodeRootProviderBase::DetachCallback(INodeProviderCallback* value)
				{
					vint index=callbacks.IndexOf(value);
					if(index==-1)
					{
						return false;
					}
					else
					{
						value->OnAttached(0);
						callbacks.Remove(value);
						return true;
					}
				}

				IDescriptable* NodeRootProviderBase::RequestView(const WString& identifier)
				{
					return 0;
				}

				void NodeRootProviderBase::ReleaseView(IDescriptable* view)
				{
				}

/***********************************************************************
MemoryNodeRootProvider
***********************************************************************/

				INodeProviderCallback* MemoryNodeRootProvider::GetCallbackProxyInternal()
				{
					return this;
				}

				MemoryNodeRootProvider::MemoryNodeRootProvider()
				{
					SetExpanding(true);
				}

				MemoryNodeRootProvider::~MemoryNodeRootProvider()
				{
				}

				INodeProvider* MemoryNodeRootProvider::GetRootNode()
				{
					return this;
				}

				MemoryNodeProvider* MemoryNodeRootProvider::GetMemoryNode(INodeProvider* node)
				{
					return dynamic_cast<MemoryNodeProvider*>(node);
				}
			}

/***********************************************************************
GuiVirtualTreeListControl
***********************************************************************/

			void GuiVirtualTreeListControl::OnAttached(tree::INodeRootProvider* provider)
			{
			}

			void GuiVirtualTreeListControl::OnBeforeItemModified(tree::INodeProvider* parentNode, vint start, vint count, vint newCount)
			{
			}

			void GuiVirtualTreeListControl::OnAfterItemModified(tree::INodeProvider* parentNode, vint start, vint count, vint newCount)
			{
			}

			void GuiVirtualTreeListControl::OnItemExpanded(tree::INodeProvider* node)
			{
				GuiNodeEventArgs arguments;
				(GuiEventArgs&)arguments=GetNotifyEventArguments();
				arguments.node=node;
				NodeExpanded.Execute(arguments);
			}

			void GuiVirtualTreeListControl::OnItemCollapsed(tree::INodeProvider* node)
			{
				GuiNodeEventArgs arguments;
				(GuiEventArgs&)arguments=GetNotifyEventArguments();
				arguments.node=node;
				NodeCollapsed.Execute(arguments);
			}

			void GuiVirtualTreeListControl::OnItemMouseEvent(compositions::GuiNodeMouseEvent& nodeEvent, compositions::GuiGraphicsComposition* sender, compositions::GuiItemMouseEventArgs& arguments)
			{
				tree::INodeProvider* node=GetNodeItemView()->RequestNode(arguments.itemIndex);
				if(node)
				{
					GuiNodeMouseEventArgs redirectArguments;
					(GuiMouseEventArgs&)redirectArguments=arguments;
					redirectArguments.node=node;
					nodeEvent.Execute(redirectArguments);
					(GuiMouseEventArgs&)arguments=redirectArguments;
					GetNodeItemView()->ReleaseNode(node);
				}
			}

			void GuiVirtualTreeListControl::OnItemNotifyEvent(compositions::GuiNodeNotifyEvent& nodeEvent, compositions::GuiGraphicsComposition* sender, compositions::GuiItemEventArgs& arguments)
			{
				tree::INodeProvider* node=GetNodeItemView()->RequestNode(arguments.itemIndex);
				if(node)
				{
					GuiNodeEventArgs redirectArguments;
					(GuiEventArgs&)redirectArguments=arguments;
					redirectArguments.node=node;
					nodeEvent.Execute(redirectArguments);
					(GuiEventArgs&)arguments=redirectArguments;
					GetNodeItemView()->ReleaseNode(node);
				}
			}

#define ATTACH_ITEM_MOUSE_EVENT(NODEEVENTNAME, ITEMEVENTNAME)\
					{\
						Func<void(GuiNodeMouseEvent&, GuiGraphicsComposition*, GuiItemMouseEventArgs&)> func(this, &GuiVirtualTreeListControl::OnItemMouseEvent);\
						ITEMEVENTNAME.AttachFunction(Curry(func)(NODEEVENTNAME));\
					}\

#define ATTACH_ITEM_NOTIFY_EVENT(NODEEVENTNAME, ITEMEVENTNAME)\
					{\
						Func<void(GuiNodeNotifyEvent&, GuiGraphicsComposition*, GuiItemEventArgs&)> func(this, &GuiVirtualTreeListControl::OnItemNotifyEvent);\
						ITEMEVENTNAME.AttachFunction(Curry(func)(NODEEVENTNAME));\
					}\

			GuiVirtualTreeListControl::GuiVirtualTreeListControl(IStyleProvider* _styleProvider, Ptr<tree::INodeRootProvider> _nodeRootProvider)
				:GuiSelectableListControl(_styleProvider, new tree::NodeItemProvider(_nodeRootProvider))
			{
				nodeItemProvider=dynamic_cast<tree::NodeItemProvider*>(GetItemProvider());
				nodeItemView=dynamic_cast<tree::INodeItemView*>(GetItemProvider()->RequestView(tree::INodeItemView::Identifier));
				
				NodeLeftButtonDown.SetAssociatedComposition(boundsComposition);
				NodeLeftButtonUp.SetAssociatedComposition(boundsComposition);
				NodeLeftButtonDoubleClick.SetAssociatedComposition(boundsComposition);
				NodeMiddleButtonDown.SetAssociatedComposition(boundsComposition);
				NodeMiddleButtonUp.SetAssociatedComposition(boundsComposition);
				NodeMiddleButtonDoubleClick.SetAssociatedComposition(boundsComposition);
				NodeRightButtonDown.SetAssociatedComposition(boundsComposition);
				NodeRightButtonUp.SetAssociatedComposition(boundsComposition);
				NodeRightButtonDoubleClick.SetAssociatedComposition(boundsComposition);
				NodeMouseMove.SetAssociatedComposition(boundsComposition);
				NodeMouseEnter.SetAssociatedComposition(boundsComposition);
				NodeMouseLeave.SetAssociatedComposition(boundsComposition);
				NodeExpanded.SetAssociatedComposition(boundsComposition);
				NodeCollapsed.SetAssociatedComposition(boundsComposition);

				ATTACH_ITEM_MOUSE_EVENT(NodeLeftButtonDown, ItemLeftButtonDown);
				ATTACH_ITEM_MOUSE_EVENT(NodeLeftButtonUp, ItemLeftButtonUp);
				ATTACH_ITEM_MOUSE_EVENT(NodeLeftButtonDoubleClick, ItemLeftButtonDoubleClick);
				ATTACH_ITEM_MOUSE_EVENT(NodeMiddleButtonDown, ItemMiddleButtonDown);
				ATTACH_ITEM_MOUSE_EVENT(NodeMiddleButtonUp, ItemMiddleButtonUp);
				ATTACH_ITEM_MOUSE_EVENT(NodeMiddleButtonDoubleClick, ItemMiddleButtonDoubleClick);
				ATTACH_ITEM_MOUSE_EVENT(NodeRightButtonDown, ItemRightButtonDown);
				ATTACH_ITEM_MOUSE_EVENT(NodeRightButtonUp, ItemRightButtonUp);
				ATTACH_ITEM_MOUSE_EVENT(NodeRightButtonDoubleClick, ItemRightButtonDoubleClick);
				ATTACH_ITEM_MOUSE_EVENT(NodeMouseMove, ItemMouseMove);
				ATTACH_ITEM_NOTIFY_EVENT(NodeMouseEnter, ItemMouseEnter);
				ATTACH_ITEM_NOTIFY_EVENT(NodeMouseLeave, ItemMouseLeave);

				nodeItemProvider->GetRoot()->AttachCallback(this);
			}

#undef ATTACH_ITEM_MOUSE_EVENT
#undef ATTACH_ITEM_NOTIFY_EVENT

			GuiVirtualTreeListControl::~GuiVirtualTreeListControl()
			{
				GetItemProvider()->ReleaseView(nodeItemView);
			}

			tree::INodeItemView* GuiVirtualTreeListControl::GetNodeItemView()
			{
				return nodeItemView;
			}

			tree::INodeRootProvider* GuiVirtualTreeListControl::GetNodeRootProvider()
			{
				return nodeItemProvider->GetRoot().Obj();
			}

			tree::INodeItemStyleProvider* GuiVirtualTreeListControl::GetNodeStyleProvider()
			{
				return nodeStyleProvider.Obj();
			}

			Ptr<tree::INodeItemStyleProvider> GuiVirtualTreeListControl::SetNodeStyleProvider(Ptr<tree::INodeItemStyleProvider> styleProvider)
			{
				Ptr<tree::INodeItemStyleProvider> old=nodeStyleProvider;
				nodeStyleProvider=styleProvider;
				GuiSelectableListControl::SetStyleProvider(new tree::NodeItemStyleProvider(nodeStyleProvider));
				return old;
			}

			namespace tree
			{

/***********************************************************************
TreeViewItem
***********************************************************************/

				const wchar_t* const ITreeViewItemView::Identifier = L"vl::presentation::controls::tree::ITreeViewItemView";

				TreeViewItem::TreeViewItem()
				{
				}

				TreeViewItem::TreeViewItem(const Ptr<GuiImageData>& _image, const WString& _text)
					:image(_image)
					,text(_text)
				{
				}

/***********************************************************************
TreeViewItemRootProvider
***********************************************************************/

				WString TreeViewItemRootProvider::GetPrimaryTextViewText(INodeProvider* node)
				{
					return GetNodeText(node);
				}

				Ptr<GuiImageData> TreeViewItemRootProvider::GetNodeImage(INodeProvider* node)
				{
					MemoryNodeProvider* memoryNode=dynamic_cast<MemoryNodeProvider*>(node);
					if(memoryNode)
					{
						Ptr<TreeViewItem> data=memoryNode->GetData().Cast<TreeViewItem>();
						if(data)
						{
							return data->image;
						}
					}
					return 0;
				}

				WString	TreeViewItemRootProvider::GetNodeText(INodeProvider* node)
				{
					MemoryNodeProvider* memoryNode=dynamic_cast<MemoryNodeProvider*>(node);
					if(memoryNode)
					{
						Ptr<TreeViewItem> data=memoryNode->GetData().Cast<TreeViewItem>();
						if(data)
						{
							return data->text;
						}
					}
					return L"";
				}

				description::Value TreeViewItemRootProvider::GetBindingValue(INodeProvider* node)
				{
					return Value::From(GetTreeViewData(node));
				}

				TreeViewItemRootProvider::TreeViewItemRootProvider()
				{
				}

				TreeViewItemRootProvider::~TreeViewItemRootProvider()
				{
				}

				IDescriptable* TreeViewItemRootProvider::RequestView(const WString& identifier)
				{
					if(identifier==ITreeViewItemView::Identifier)
					{
						return (ITreeViewItemView*)this;
					}
					else if(identifier==INodeItemPrimaryTextView::Identifier)
					{
						return (INodeItemPrimaryTextView*)this;
					}
					else if(identifier==INodeItemBindingView::Identifier)
					{
						return (INodeItemBindingView*)this;
					}
					else
					{
						return MemoryNodeRootProvider::RequestView(identifier);
					}
				}

				void TreeViewItemRootProvider::ReleaseView(IDescriptable* view)
				{
					return MemoryNodeRootProvider::ReleaseView(view);
				}

				Ptr<TreeViewItem> TreeViewItemRootProvider::GetTreeViewData(INodeProvider* node)
				{
					MemoryNodeProvider* memoryNode=GetMemoryNode(node);
					if(memoryNode)
					{
						return memoryNode->GetData().Cast<TreeViewItem>();
					}
					else
					{
						return 0;
					}
				}

				void TreeViewItemRootProvider::SetTreeViewData(INodeProvider* node, Ptr<TreeViewItem> value)
				{
					MemoryNodeProvider* memoryNode=GetMemoryNode(node);
					if(memoryNode)
					{
						memoryNode->SetData(value);
					}
				}
				
				void TreeViewItemRootProvider::UpdateTreeViewData(INodeProvider* node)
				{
					MemoryNodeProvider* memoryNode=GetMemoryNode(node);
					if(memoryNode)
					{
						memoryNode->NotifyDataModified();
					}
				}
			}

/***********************************************************************
GuiVirtualTreeView
***********************************************************************/

			GuiVirtualTreeView::GuiVirtualTreeView(IStyleProvider* _styleProvider, Ptr<tree::INodeRootProvider> _nodeRootProvider)
				:GuiVirtualTreeListControl(_styleProvider, _nodeRootProvider)
			{
				styleProvider=dynamic_cast<IStyleProvider*>(styleController->GetStyleProvider());
				SetNodeStyleProvider(new tree::TreeViewNodeItemStyleProvider);
				SetArranger(new list::FixedHeightItemArranger);
			}

			GuiVirtualTreeView::~GuiVirtualTreeView()
			{
			}

			GuiVirtualTreeView::IStyleProvider* GuiVirtualTreeView::GetTreeViewStyleProvider()
			{
				return styleProvider;
			}

/***********************************************************************
GuiTreeView
***********************************************************************/

			GuiTreeView::GuiTreeView(IStyleProvider* _styleProvider)
				:GuiVirtualTreeView(_styleProvider, new tree::TreeViewItemRootProvider)
			{
				nodes = nodeItemProvider->GetRoot().Cast<tree::TreeViewItemRootProvider>();
			}

			GuiTreeView::~GuiTreeView()
			{
			}

			Ptr<tree::TreeViewItemRootProvider> GuiTreeView::Nodes()
			{
				return nodes;
			}

			Ptr<tree::TreeViewItem> GuiTreeView::GetSelectedItem()
			{
				Ptr<tree::TreeViewItem> result;
				vint index = GetSelectedItemIndex();
				if (index != -1)
				{
					if (auto node = nodeItemView->RequestNode(index))
					{
						if (auto memoryNode = dynamic_cast<tree::MemoryNodeProvider*>(node))
						{
							result = memoryNode->GetData().Cast<tree::TreeViewItem>();
						}
						nodeItemView->ReleaseNode(node);
					}
				}
				return result;
			}

			namespace tree
			{
/***********************************************************************
TreeViewNodeItemStyleProvider::ItemController
***********************************************************************/

				void TreeViewNodeItemStyleProvider::ItemController::SwitchNodeExpanding()
				{
					if(backgroundButton->GetBoundsComposition()->GetParent())
					{
						GuiListControl::IItemArranger* arranger=styleProvider->treeControl->GetArranger();
						vint index=arranger->GetVisibleIndex(this);
						if(index!=-1)
						{
							INodeItemView* view=styleProvider->treeControl->GetNodeItemView();
							INodeProvider* node=view->RequestNode(index);
							if(node)
							{
								bool expanding=node->GetExpanding();
								node->SetExpanding(!expanding);
								view->ReleaseNode(node);
							}
						}
					}
				}

				void TreeViewNodeItemStyleProvider::ItemController::OnBackgroundButtonDoubleClick(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
				{
					if(backgroundButton->GetVisuallyEnabled())
					{
						SwitchNodeExpanding();
					}
				}

				void TreeViewNodeItemStyleProvider::ItemController::OnExpandingButtonDoubleClick(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
				{
					arguments.handled=true;
				}

				void TreeViewNodeItemStyleProvider::ItemController::OnExpandingButtonClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
				{
					if(expandingButton->GetVisuallyEnabled())
					{
						SwitchNodeExpanding();
					}
				}

				TreeViewNodeItemStyleProvider::ItemController::ItemController(TreeViewNodeItemStyleProvider* _styleProvider, Size minIconSize, bool fitImage)
					:list::ItemStyleControllerBase(_styleProvider->GetBindedItemStyleProvider(), 0)
					,styleProvider(_styleProvider)
				{
					backgroundButton=new GuiSelectableButton(styleProvider->treeControl->GetTreeViewStyleProvider()->CreateItemBackground());
					backgroundButton->SetAutoSelection(false);
					backgroundButton->GetBoundsComposition()->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					backgroundButton->GetEventReceiver()->leftButtonDoubleClick.AttachMethod(this, &ItemController::OnBackgroundButtonDoubleClick);

					table=new GuiTableComposition;
					backgroundButton->GetBoundsComposition()->AddChild(table);
					table->SetRowsAndColumns(3, 4);
					table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
					table->SetRowOption(1, GuiCellOption::MinSizeOption());
					table->SetRowOption(2, GuiCellOption::PercentageOption(0.5));
					table->SetColumnOption(0, GuiCellOption::AbsoluteOption(0));
					table->SetColumnOption(1, GuiCellOption::MinSizeOption());
					table->SetColumnOption(2, GuiCellOption::MinSizeOption());
					table->SetColumnOption(3, GuiCellOption::MinSizeOption());
					table->SetAlignmentToParent(Margin(0, 0, 0, 0));
					table->SetCellPadding(2);
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 3, 1);
						cell->SetPreferredMinSize(Size(16, 16));

						expandingButton=new GuiSelectableButton(styleProvider->treeControl->GetTreeViewStyleProvider()->CreateItemExpandingDecorator());
						expandingButton->SetAutoSelection(false);
						expandingButton->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
						expandingButton->GetEventReceiver()->leftButtonDoubleClick.AttachMethod(this, &ItemController::OnExpandingButtonDoubleClick);
						expandingButton->Clicked.AttachMethod(this, &ItemController::OnExpandingButtonClicked);
						cell->AddChild(expandingButton->GetBoundsComposition());
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(1, 2, 1, 1);
						cell->SetPreferredMinSize(minIconSize);
						if (!fitImage)
						{
							cell->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
						}

						image=GuiImageFrameElement::Create();
						image->SetStretch(true);
						cell->SetOwnedElement(image);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 3, 3, 1);
						cell->SetPreferredMinSize(Size(192, 0));

						text=GuiSolidLabelElement::Create();
						text->SetAlignments(Alignment::Left, Alignment::Center);
						text->SetFont(styleProvider->treeControl->GetFont());
						text->SetEllipse(true);
						cell->SetOwnedElement(text);
					}
					Initialize(backgroundButton->GetBoundsComposition(), backgroundButton);
				}

				INodeItemStyleProvider* TreeViewNodeItemStyleProvider::ItemController::GetNodeStyleProvider()
				{
					return styleProvider;
				}

				void TreeViewNodeItemStyleProvider::ItemController::Install(INodeProvider* node)
				{
					ITreeViewItemView* view=styleProvider->treeViewItemView;
					Ptr<GuiImageData> imageData=view->GetNodeImage(node);
					if(imageData)
					{
						image->SetImage(imageData->GetImage(), imageData->GetFrameIndex());
					}
					else
					{
						image->SetImage(0);
					}
					text->SetText(view->GetNodeText(node));
					text->SetColor(styleProvider->treeControl->GetTreeViewStyleProvider()->GetTextColor());
					UpdateExpandingButton(node);

					vint level=-2;
					while(node)
					{
						node=node->GetParent();
						level++;
					}
					table->SetColumnOption(0, GuiCellOption::AbsoluteOption(level*16));
				}

				bool TreeViewNodeItemStyleProvider::ItemController::GetSelected()
				{
					return backgroundButton->GetSelected();
				}

				void TreeViewNodeItemStyleProvider::ItemController::SetSelected(bool value)
				{
					backgroundButton->SetSelected(value);
				}

				void TreeViewNodeItemStyleProvider::ItemController::UpdateExpandingButton(INodeProvider* associatedNode)
				{
					expandingButton->SetSelected(associatedNode->GetExpanding());
					expandingButton->SetVisible(associatedNode->GetChildCount()>0);
				}

/***********************************************************************
TreeViewNodeItemStyleProvider
***********************************************************************/

				TreeViewNodeItemStyleProvider::ItemController* TreeViewNodeItemStyleProvider::GetRelatedController(INodeProvider* node)
				{
					vint index=treeControl->GetNodeItemView()->CalculateNodeVisibilityIndex(node);
					if(index!=-1)
					{
						GuiListControl::IItemStyleController* style=treeControl->GetArranger()->GetVisibleStyle(index);
						if(style)
						{
							ItemController* itemController=dynamic_cast<ItemController*>(style);
							return itemController;
						}
					}
					return 0;
				}

				void TreeViewNodeItemStyleProvider::UpdateExpandingButton(INodeProvider* node)
				{
					ItemController* itemController=GetRelatedController(node);
					if(itemController)
					{
						itemController->UpdateExpandingButton(node);
					}
				}

				void TreeViewNodeItemStyleProvider::OnAttached(INodeRootProvider* provider)
				{
				}

				void TreeViewNodeItemStyleProvider::OnBeforeItemModified(INodeProvider* parentNode, vint start, vint count, vint newCount)
				{
				}

				void TreeViewNodeItemStyleProvider::OnAfterItemModified(INodeProvider* parentNode, vint start, vint count, vint newCount)
				{
					UpdateExpandingButton(parentNode);
				}

				void TreeViewNodeItemStyleProvider::OnItemExpanded(INodeProvider* node)
				{
					UpdateExpandingButton(node);
				}

				void TreeViewNodeItemStyleProvider::OnItemCollapsed(INodeProvider* node)
				{
					UpdateExpandingButton(node);
				}

				TreeViewNodeItemStyleProvider::TreeViewNodeItemStyleProvider(Size _minIconSize, bool _fitImage)
					:treeControl(0)
					,bindedItemStyleProvider(0)
					,treeViewItemView(0)
					, minIconSize(_minIconSize)
					, fitImage(_fitImage)
				{
				}

				TreeViewNodeItemStyleProvider::~TreeViewNodeItemStyleProvider()
				{
				}

				void TreeViewNodeItemStyleProvider::BindItemStyleProvider(GuiListControl::IItemStyleProvider* styleProvider)
				{
					bindedItemStyleProvider=styleProvider;
				}

				GuiListControl::IItemStyleProvider* TreeViewNodeItemStyleProvider::GetBindedItemStyleProvider()
				{
					return bindedItemStyleProvider;
				}

				void TreeViewNodeItemStyleProvider::AttachListControl(GuiListControl* value)
				{
					treeControl=dynamic_cast<GuiVirtualTreeView*>(value);
					if(treeControl)
					{
						treeViewItemView=dynamic_cast<ITreeViewItemView*>(treeControl->GetItemProvider()->RequestView(ITreeViewItemView::Identifier));
						treeControl->GetNodeRootProvider()->AttachCallback(this);
					}
				}

				void TreeViewNodeItemStyleProvider::DetachListControl()
				{
					if(treeViewItemView)
					{
						treeControl->GetItemProvider()->ReleaseView(treeViewItemView);
						treeViewItemView=0;
					}
					if(treeControl)
					{
						treeControl->GetNodeRootProvider()->DetachCallback(this);
						treeControl=0;
					}
				}

				vint TreeViewNodeItemStyleProvider::GetItemStyleId(INodeProvider* node)
				{
					return 0;
				}

				INodeItemStyleController* TreeViewNodeItemStyleProvider::CreateItemStyle(vint styleId)
				{
					return new ItemController(this, minIconSize, fitImage);
				}

				void TreeViewNodeItemStyleProvider::DestroyItemStyle(INodeItemStyleController* style)
				{
					ItemController* itemController=dynamic_cast<ItemController*>(style);
					if(itemController)
					{
						delete itemController;
					}
				}

				void TreeViewNodeItemStyleProvider::Install(INodeItemStyleController* style, INodeProvider* node, vint itemIndex)
				{
					ItemController* itemController=dynamic_cast<ItemController*>(style);
					if(itemController)
					{
						itemController->Install(node);
					}
				}

				void TreeViewNodeItemStyleProvider::SetStyleIndex(INodeItemStyleController* style, vint value)
				{
				}

				void TreeViewNodeItemStyleProvider::SetStyleSelected(INodeItemStyleController* style, bool value)
				{
					ItemController* itemController=dynamic_cast<ItemController*>(style);
					if(itemController)
					{
						itemController->SetSelected(value);
					}
				}
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\GUICOMMONSTYLES.CPP
***********************************************************************/
#include <math.h>

namespace vl
{
	namespace presentation
	{
		namespace common_styles
		{
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
CommonScrollStyle
***********************************************************************/

			void CommonScrollStyle::UpdateHandle()
			{
				double handlePageSize=(double)pageSize/totalSize;
				double handleRatio=(double)position/totalSize;
				switch(direction)
				{
				case Horizontal:
					handleComposition->SetWidthRatio(handleRatio);
					handleComposition->SetWidthPageSize(handlePageSize);
					break;
				case Vertical:
					handleComposition->SetHeightRatio(handleRatio);
					handleComposition->SetHeightPageSize(handlePageSize);
					break;
				}
			}

			void CommonScrollStyle::OnDecreaseButtonClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(commandExecutor)
				{
					commandExecutor->SmallDecrease();
				}
			}

			void CommonScrollStyle::OnIncreaseButtonClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(commandExecutor)
				{
					commandExecutor->SmallIncrease();
				}
			}

			void CommonScrollStyle::OnHandleMouseDown(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(commandExecutor && handleButton->GetVisuallyEnabled())
				{
					draggingHandle=true;
					draggingStartLocation=Point(arguments.x, arguments.y);
				}
			}

			void CommonScrollStyle::OnHandleMouseMove(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(draggingHandle)
				{
					vint totalPixels=0;
					vint currentOffset=0;
					vint newOffset=0;
					switch(direction)
					{
					case Horizontal:
						totalPixels=handleComposition->GetParent()->GetBounds().Width();
						currentOffset=handleComposition->GetBounds().Left();
						newOffset=currentOffset+(arguments.x-draggingStartLocation.x);
						break;
					case Vertical:
						totalPixels=handleComposition->GetParent()->GetBounds().Height();
						currentOffset=handleComposition->GetBounds().Top();
						newOffset=currentOffset+(arguments.y-draggingStartLocation.y);
						break;
					}

					double ratio=(double)newOffset/totalPixels;
					vint newPosition=(vint)(ratio*totalSize);

					vint offset1=(vint)(((double)newPosition/totalSize)*totalPixels);
					vint offset2=vint(((double)(newPosition+1)/totalSize)*totalPixels);
					vint delta1=abs((int)(offset1-newOffset));
					vint delta2=abs((int)(offset2-newOffset));
					if(delta1<delta2)
					{
						commandExecutor->SetPosition(newPosition);
					}
					else
					{
						commandExecutor->SetPosition(newPosition+1);
					}
				}
			}

			void CommonScrollStyle::OnHandleMouseUp(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				draggingHandle=false;
			}

			void CommonScrollStyle::OnBigMoveMouseDown(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(commandExecutor && handleButton->GetVisuallyEnabled())
				{
					if(arguments.eventSource==arguments.compositionSource)
					{
						Rect handleBounds=handleComposition->GetBounds();
						switch(direction)
						{
						case Horizontal:
							if(arguments.x<handleBounds.x1)
							{
								commandExecutor->BigDecrease();
							}
							else if(arguments.x>=handleBounds.x2)
							{
								commandExecutor->BigIncrease();
							}
							break;
						case Vertical:
							if(arguments.y<handleBounds.y1)
							{
								commandExecutor->BigDecrease();
							}
							else if(arguments.y>=handleBounds.y2)
							{
								commandExecutor->BigIncrease();
							}
							break;
						}
					}
				}
			}

			void CommonScrollStyle::BuildStyle(vint defaultSize, vint arrowSize)
			{
				boundsComposition=new GuiBoundsComposition;
				containerComposition=InstallBackground(boundsComposition, direction);
				{
					GuiBoundsComposition* handleBoundsComposition=new GuiBoundsComposition;
					containerComposition->AddChild(handleBoundsComposition);

					handleComposition=new GuiPartialViewComposition;
					handleBoundsComposition->AddChild(handleComposition);
					handleBoundsComposition->GetEventReceiver()->leftButtonDown.AttachMethod(this, &CommonScrollStyle::OnBigMoveMouseDown);

					switch(direction)
					{
					case Horizontal:
						handleBoundsComposition->SetAlignmentToParent(Margin(defaultSize, 0, defaultSize, 0));
						handleComposition->SetPreferredMinSize(Size(defaultSize, 0));
						boundsComposition->SetPreferredMinSize(Size(0, defaultSize));
						break;
					case Vertical:
						handleBoundsComposition->SetAlignmentToParent(Margin(0, defaultSize, 0, defaultSize));
						handleComposition->SetPreferredMinSize(Size(0, defaultSize));
						boundsComposition->SetPreferredMinSize(Size(defaultSize, 0));
						break;
					}
					
					handleButton=new GuiButton(CreateHandleButtonStyle(direction));
					handleButton->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
					handleComposition->AddChild(handleButton->GetBoundsComposition());

					handleButton->GetBoundsComposition()->GetEventReceiver()->leftButtonDown.AttachMethod(this, &CommonScrollStyle::OnHandleMouseDown);
					handleButton->GetBoundsComposition()->GetEventReceiver()->mouseMove.AttachMethod(this, &CommonScrollStyle::OnHandleMouseMove);
					handleButton->GetBoundsComposition()->GetEventReceiver()->leftButtonUp.AttachMethod(this, &CommonScrollStyle::OnHandleMouseUp);
				}
				{
					decreaseButton=new GuiButton(CreateDecreaseButtonStyle(direction));
					decreaseButton->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
					decreaseButton->Clicked.AttachMethod(this, &CommonScrollStyle::OnDecreaseButtonClicked);
					
					increaseButton=new GuiButton(CreateIncreaseButtonStyle(direction));
					increaseButton->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
					increaseButton->Clicked.AttachMethod(this, &CommonScrollStyle::OnIncreaseButtonClicked);
				}
				{
					GuiSideAlignedComposition* decreaseComposition=new GuiSideAlignedComposition;
					decreaseComposition->SetMaxLength(defaultSize);
					decreaseComposition->SetMaxRatio(0.5);
					decreaseComposition->AddChild(decreaseButton->GetBoundsComposition());
					containerComposition->AddChild(decreaseComposition);

					GuiSideAlignedComposition* increaseComposition=new GuiSideAlignedComposition;
					increaseComposition->SetMaxLength(defaultSize);
					increaseComposition->SetMaxRatio(0.5);
					increaseComposition->AddChild(increaseButton->GetBoundsComposition());
					containerComposition->AddChild(increaseComposition);

					switch(direction)
					{
					case Horizontal:
						{
							decreaseComposition->SetDirection(GuiSideAlignedComposition::Left);
							increaseComposition->SetDirection(GuiSideAlignedComposition::Right);
						}
						break;
					case Vertical:
						{
							decreaseComposition->SetDirection(GuiSideAlignedComposition::Top);
							increaseComposition->SetDirection(GuiSideAlignedComposition::Bottom);
						}
						break;
					}
				}
			}

			CommonScrollStyle::CommonScrollStyle(Direction _direction)
				:direction(_direction)
				,commandExecutor(0)
				,decreaseButton(0)
				,increaseButton(0)
				,boundsComposition(0)
				,containerComposition(0)
				,totalSize(1)
				,pageSize(1)
				,position(0)
				,draggingHandle(false)
			{
			}

			CommonScrollStyle::~CommonScrollStyle()
			{
			}

			compositions::GuiBoundsComposition* CommonScrollStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* CommonScrollStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void CommonScrollStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void CommonScrollStyle::SetText(const WString& value)
			{
			}

			void CommonScrollStyle::SetFont(const FontProperties& value)
			{
			}

			void CommonScrollStyle::SetVisuallyEnabled(bool value)
			{
			}

			void CommonScrollStyle::SetCommandExecutor(controls::GuiScroll::ICommandExecutor* value)
			{
				commandExecutor=value;
			}

			void CommonScrollStyle::SetTotalSize(vint value)
			{
				if(totalSize!=value)
				{
					totalSize=value;
					UpdateHandle();
				}
			}

			void CommonScrollStyle::SetPageSize(vint value)
			{
				if(pageSize!=value)
				{
					pageSize=value;
					UpdateHandle();
				}
			}

			void CommonScrollStyle::SetPosition(vint value)
			{
				if(position!=value)
				{
					position=value;
					UpdateHandle();
				}
			}

/***********************************************************************
CommonTrackStyle
***********************************************************************/

			void CommonTrackStyle::UpdateHandle()
			{
				vint maxSize=totalSize-pageSize;
				if(maxSize<1) maxSize=1;
				double ratio=(double)position/maxSize;
				switch(direction)
				{
				case Horizontal:
					handleComposition->SetColumnOption(0, GuiCellOption::PercentageOption(ratio));
					handleComposition->SetColumnOption(2, GuiCellOption::PercentageOption(1-ratio));
					break;
				case Vertical:
					handleComposition->SetRowOption(0, GuiCellOption::PercentageOption(1-ratio));
					handleComposition->SetRowOption(2, GuiCellOption::PercentageOption(ratio));
					break;
				}
				handleComposition->UpdateCellBounds();
			}

			void CommonTrackStyle::OnHandleMouseDown(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(commandExecutor && handleButton->GetVisuallyEnabled())
				{
					draggingHandle=true;
					draggingStartLocation=Point(arguments.x, arguments.y);
				}
			}

			void CommonTrackStyle::OnHandleMouseMove(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(draggingHandle)
				{
					vint totalPixels=0;
					vint currentOffset=0;
					vint newOffset=0;

					Rect handleArea=handleComposition->GetBounds();
					Rect handleBounds=handleButton->GetBoundsComposition()->GetParent()->GetBounds();
					switch(direction)
					{
					case Horizontal:
						totalPixels=handleArea.Width()-handleBounds.Width();
						currentOffset=handleBounds.Left();
						newOffset=currentOffset+(arguments.x-draggingStartLocation.x);
						break;
					case Vertical:
						totalPixels=handleArea.Height()-handleBounds.Height();
						currentOffset=handleArea.Height()-handleBounds.Bottom();
						newOffset=currentOffset-(arguments.y-draggingStartLocation.y);
						break;
					}

					double ratio=(double)newOffset/totalPixels;
					vint maxSize=totalSize-pageSize;
					if(maxSize<1) maxSize=1;
					vint newPosition=(vint)(ratio*maxSize);

					vint offset1=(vint)(((double)newPosition/maxSize)*totalPixels);
					vint offset2=vint(((double)(newPosition+1)/maxSize)*totalPixels);
					vint delta1=abs((int)(offset1-newOffset));
					vint delta2=abs((int)(offset2-newOffset));
					if(delta1<delta2)
					{
						commandExecutor->SetPosition(newPosition);
					}
					else
					{
						commandExecutor->SetPosition(newPosition+1);
					}
				}
			}

			void CommonTrackStyle::OnHandleMouseUp(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				draggingHandle=false;
			}

			void CommonTrackStyle::BuildStyle(vint trackThickness, vint trackPadding, vint handleLong, vint handleShort)
			{
				boundsComposition=new GuiBoundsComposition;
				InstallBackground(boundsComposition, direction);
				{
					GuiTableComposition* table=new GuiTableComposition;
					boundsComposition->AddChild(table);
					boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					table->SetAlignmentToParent(Margin(0, 0, 0, 0));
					table->SetRowsAndColumns(3, 3);
					table->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					switch(direction)
					{
					case Horizontal:
						table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
						table->SetRowOption(1, GuiCellOption::AbsoluteOption(handleLong));
						table->SetRowOption(2, GuiCellOption::PercentageOption(0.5));
						table->SetColumnOption(0, GuiCellOption::AbsoluteOption(trackPadding));
						table->SetColumnOption(1, GuiCellOption::PercentageOption(1.0));
						table->SetColumnOption(2, GuiCellOption::AbsoluteOption(trackPadding));
						break;
					case Vertical:
						table->SetRowOption(0, GuiCellOption::AbsoluteOption(trackPadding));
						table->SetRowOption(1, GuiCellOption::PercentageOption(1.0));
						table->SetRowOption(2, GuiCellOption::AbsoluteOption(trackPadding));
						table->SetColumnOption(0, GuiCellOption::PercentageOption(0.5));
						table->SetColumnOption(1, GuiCellOption::AbsoluteOption(handleLong));
						table->SetColumnOption(2, GuiCellOption::PercentageOption(0.5));
						break;
					}
					{
						GuiCellComposition* contentCell=new GuiCellComposition;
						table->AddChild(contentCell);
						contentCell->SetSite(1, 1, 1, 1);
						{
							GuiTableComposition* trackTable=new GuiTableComposition;
							trackTable->SetAlignmentToParent(Margin(0, 0, 0, 0));
							contentCell->AddChild(trackTable);
							GuiCellComposition* trackCell=new GuiCellComposition;
							trackTable->AddChild(trackCell);

							switch(direction)
							{
							case Horizontal:
								trackTable->SetRowsAndColumns(3, 1);
								trackTable->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
								trackTable->SetRowOption(1, GuiCellOption::AbsoluteOption(trackThickness));
								trackTable->SetRowOption(2, GuiCellOption::PercentageOption(0.5));
								trackCell->SetSite(1, 0, 1, 1);
								break;
							case Vertical:
								trackTable->SetRowsAndColumns(1, 3);
								trackTable->SetColumnOption(0, GuiCellOption::PercentageOption(0.5));
								trackTable->SetColumnOption(1, GuiCellOption::AbsoluteOption(trackThickness));
								trackTable->SetColumnOption(2, GuiCellOption::PercentageOption(0.5));
								trackCell->SetSite(0, 1, 1, 1);
								break;
							}
							InstallTrack(trackCell, direction);
						}
						{
							handleComposition=new GuiTableComposition;
							handleComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
							contentCell->AddChild(handleComposition);
							GuiCellComposition* handleCell=new GuiCellComposition;
							handleComposition->AddChild(handleCell);

							switch(direction)
							{
							case Horizontal:
								handleComposition->SetRowsAndColumns(1, 3);
								handleComposition->SetColumnOption(0, GuiCellOption::PercentageOption(0.0));
								handleComposition->SetColumnOption(1, GuiCellOption::AbsoluteOption(handleShort));
								handleComposition->SetColumnOption(2, GuiCellOption::PercentageOption(1.0));
								handleCell->SetSite(0, 1, 1, 1);
								break;
							case Vertical:
								handleComposition->SetRowsAndColumns(3, 1);
								handleComposition->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
								handleComposition->SetRowOption(1, GuiCellOption::AbsoluteOption(handleShort));
								handleComposition->SetRowOption(2, GuiCellOption::PercentageOption(0.0));
								handleCell->SetSite(1, 0, 1, 1);
								break;
							}

							handleButton=new GuiButton(CreateHandleButtonStyle(direction));
							handleButton->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
							handleCell->AddChild(handleButton->GetBoundsComposition());

							handleButton->GetBoundsComposition()->GetEventReceiver()->leftButtonDown.AttachMethod(this, &CommonTrackStyle::OnHandleMouseDown);
							handleButton->GetBoundsComposition()->GetEventReceiver()->mouseMove.AttachMethod(this, &CommonTrackStyle::OnHandleMouseMove);
							handleButton->GetBoundsComposition()->GetEventReceiver()->leftButtonUp.AttachMethod(this, &CommonTrackStyle::OnHandleMouseUp);
						}
					}
				}
			}

			CommonTrackStyle::CommonTrackStyle(Direction _direction)
				:direction(_direction)
				,commandExecutor(0)
				,totalSize(1)
				,pageSize(1)
				,position(0)
				,draggingHandle(false)
			{
			}

			CommonTrackStyle::~CommonTrackStyle()
			{
			}

			compositions::GuiBoundsComposition* CommonTrackStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* CommonTrackStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void CommonTrackStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void CommonTrackStyle::SetText(const WString& value)
			{
			}

			void CommonTrackStyle::SetFont(const FontProperties& value)
			{
			}

			void CommonTrackStyle::SetVisuallyEnabled(bool value)
			{
			}

			void CommonTrackStyle::SetCommandExecutor(controls::GuiScroll::ICommandExecutor* value)
			{
				commandExecutor=value;
				if(value)
				{
					value->SetPageSize(0);
				}
			}

			void CommonTrackStyle::SetTotalSize(vint value)
			{
				if(totalSize!=value)
				{
					totalSize=value;
					UpdateHandle();
				}
			}

			void CommonTrackStyle::SetPageSize(vint value)
			{
				if(pageSize!=value)
				{
					pageSize=value;
					UpdateHandle();
				}
			}

			void CommonTrackStyle::SetPosition(vint value)
			{
				if(position!=value)
				{
					position=value;
					UpdateHandle();
				}
			}

/***********************************************************************
CommonFragmentBuilder
***********************************************************************/

			void CommonFragmentBuilder::FillUpArrow(elements::GuiPolygonElement* element)
			{
				Point points[]={Point(0, 3), Point(3, 0), Point(6, 3)};
				element->SetSize(Size(7, 4));
				element->SetPoints(points, sizeof(points)/sizeof(*points));
			}

			void CommonFragmentBuilder::FillDownArrow(elements::GuiPolygonElement* element)
			{
				Point points[]={Point(0, 0), Point(3, 3), Point(6, 0)};
				element->SetSize(Size(7, 4));
				element->SetPoints(points, sizeof(points)/sizeof(*points));
			}

			void CommonFragmentBuilder::FillLeftArrow(elements::GuiPolygonElement* element)
			{
				Point points[]={Point(3, 0), Point(0, 3), Point(3, 6)};
				element->SetSize(Size(4, 7));
				element->SetPoints(points, sizeof(points)/sizeof(*points));
			}

			void CommonFragmentBuilder::FillRightArrow(elements::GuiPolygonElement* element)
			{
				Point points[]={Point(0, 0), Point(3, 3), Point(0, 6)};
				element->SetSize(Size(4, 7));
				element->SetPoints(points, sizeof(points)/sizeof(*points));
			}

			elements::GuiPolygonElement* CommonFragmentBuilder::BuildUpArrow()
			{
				GuiPolygonElement* element=GuiPolygonElement::Create();
				FillUpArrow(element);
				element->SetBorderColor(Color(0, 0, 0));
				element->SetBackgroundColor(Color(0, 0, 0));
				return element;
			}

			elements::GuiPolygonElement* CommonFragmentBuilder::BuildDownArrow()
			{
				GuiPolygonElement* element=GuiPolygonElement::Create();
				FillDownArrow(element);
				element->SetBorderColor(Color(0, 0, 0));
				element->SetBackgroundColor(Color(0, 0, 0));
				return element;
			}

			elements::GuiPolygonElement* CommonFragmentBuilder::BuildLeftArrow()
			{
				GuiPolygonElement* element=GuiPolygonElement::Create();
				FillLeftArrow(element);
				element->SetBorderColor(Color(0, 0, 0));
				element->SetBackgroundColor(Color(0, 0, 0));
				return element;
			}

			elements::GuiPolygonElement* CommonFragmentBuilder::BuildRightArrow()
			{
				GuiPolygonElement* element=GuiPolygonElement::Create();
				FillRightArrow(element);
				element->SetBorderColor(Color(0, 0, 0));
				element->SetBackgroundColor(Color(0, 0, 0));
				return element;
			}

			compositions::GuiBoundsComposition* CommonFragmentBuilder::BuildDockedElementContainer(elements::IGuiGraphicsElement* element)
			{
				GuiBoundsComposition* composition=new GuiBoundsComposition;
				composition->SetOwnedElement(element);
				composition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				return composition;
			}

			compositions::GuiBoundsComposition* CommonFragmentBuilder::BuildUpArrow(elements::GuiPolygonElement*& elementOut)
			{
				elementOut=BuildUpArrow();
				return BuildDockedElementContainer(elementOut);
			}

			compositions::GuiBoundsComposition* CommonFragmentBuilder::BuildDownArrow(elements::GuiPolygonElement*& elementOut)
			{
				elementOut=BuildDownArrow();
				return BuildDockedElementContainer(elementOut);
			}

			compositions::GuiBoundsComposition* CommonFragmentBuilder::BuildLeftArrow(elements::GuiPolygonElement*& elementOut)
			{
				elementOut=BuildLeftArrow();
				return BuildDockedElementContainer(elementOut);
			}

			compositions::GuiBoundsComposition* CommonFragmentBuilder::BuildRightArrow(elements::GuiPolygonElement*& elementOut)
			{
				elementOut=BuildRightArrow();
				return BuildDockedElementContainer(elementOut);
			}
		}

/***********************************************************************
Helpers
***********************************************************************/

		unsigned char IntToColor(vint color)
		{
			return color<0?0:color>255?255:(unsigned char)color;
		}

		Color BlendColor(Color c1, Color c2, vint currentPosition, vint totalLength)
		{
			return Color(
				(unsigned char)IntToColor((c2.r*currentPosition+c1.r*(totalLength-currentPosition))/totalLength),
				(unsigned char)IntToColor((c2.g*currentPosition+c1.g*(totalLength-currentPosition))/totalLength),
				(unsigned char)IntToColor((c2.b*currentPosition+c1.b*(totalLength-currentPosition))/totalLength),
				(unsigned char)IntToColor((c2.a*currentPosition+c1.a*(totalLength-currentPosition))/totalLength)
				);
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\GUITHEMESTYLEFACTORY.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace theme
		{
			ITheme* currentTheme=0;

			ITheme* GetCurrentTheme()
			{
				return currentTheme;
			}

			void SetCurrentTheme(ITheme* theme)
			{
				currentTheme=theme;
			}

			namespace g
			{
				controls::GuiWindow* NewWindow()
				{
					return new controls::GuiWindow(GetCurrentTheme()->CreateWindowStyle());
				}

				controls::GuiCustomControl* NewCustomControl()
				{
					return new controls::GuiCustomControl(GetCurrentTheme()->CreateCustomControlStyle());
				}

				controls::GuiLabel* NewLabel()
				{
					return new controls::GuiLabel(GetCurrentTheme()->CreateLabelStyle());
				}

				controls::GuiScrollContainer* NewScrollContainer()
				{
					return new controls::GuiScrollContainer(GetCurrentTheme()->CreateScrollContainerStyle());
				}

				controls::GuiControl* NewGroupBox()
				{
					return new controls::GuiControl(GetCurrentTheme()->CreateGroupBoxStyle());
				}

				controls::GuiTab* NewTab()
				{
					return new controls::GuiTab(GetCurrentTheme()->CreateTabStyle());
				}

				controls::GuiComboBoxListControl* NewComboBox(controls::GuiSelectableListControl* containedListControl)
				{
					return new controls::GuiComboBoxListControl(GetCurrentTheme()->CreateComboBoxStyle(), containedListControl);
				}

				controls::GuiMultilineTextBox* NewMultilineTextBox()
				{
					return new controls::GuiMultilineTextBox(GetCurrentTheme()->CreateMultilineTextBoxStyle());
				}

				controls::GuiSinglelineTextBox* NewTextBox()
				{
					return new controls::GuiSinglelineTextBox(GetCurrentTheme()->CreateTextBoxStyle());
				}

				controls::GuiDocumentViewer* NewDocumentViewer()
				{
					return new controls::GuiDocumentViewer(GetCurrentTheme()->CreateDocumentViewerStyle());
				}

				controls::GuiDocumentLabel* NewDocumentLabel()
				{
					return new controls::GuiDocumentLabel(GetCurrentTheme()->CreateDocumentLabelStyle());
				}

				controls::GuiListView* NewListViewBigIcon()
				{
					controls::GuiListView* listview=new controls::GuiListView(GetCurrentTheme()->CreateListViewStyle());
					listview->ChangeItemStyle(new controls::list::ListViewBigIconContentProvider);
					return listview;
				}

				controls::GuiListView* NewListViewSmallIcon()
				{
					controls::GuiListView* listview=new controls::GuiListView(GetCurrentTheme()->CreateListViewStyle());
					listview->ChangeItemStyle(new controls::list::ListViewSmallIconContentProvider);
					return listview;
				}

				controls::GuiListView* NewListViewList()
				{
					controls::GuiListView* listview=new controls::GuiListView(GetCurrentTheme()->CreateListViewStyle());
					listview->ChangeItemStyle(new controls::list::ListViewListContentProvider);
					return listview;
				}

				controls::GuiListView* NewListViewDetail()
				{
					controls::GuiListView* listview=new controls::GuiListView(GetCurrentTheme()->CreateListViewStyle());
					listview->ChangeItemStyle(new controls::list::ListViewDetailContentProvider);
					return listview;
				}

				controls::GuiListView* NewListViewTile()
				{
					controls::GuiListView* listview=new controls::GuiListView(GetCurrentTheme()->CreateListViewStyle());
					listview->ChangeItemStyle(new controls::list::ListViewTileContentProvider);
					return listview;
				}

				controls::GuiListView* NewListViewInformation()
				{
					controls::GuiListView* listview=new controls::GuiListView(GetCurrentTheme()->CreateListViewStyle());
					listview->ChangeItemStyle(new controls::list::ListViewInformationContentProvider);
					return listview;
				}

				controls::GuiTreeView* NewTreeView()
				{
					return new controls::GuiTreeView(GetCurrentTheme()->CreateTreeViewStyle());
				}

				controls::GuiStringGrid* NewStringGrid()
				{
					return new controls::GuiStringGrid(GetCurrentTheme()->CreateListViewStyle());
				}

				controls::GuiToolstripMenu* NewMenu(controls::GuiControl* owner)
				{
					return new controls::GuiToolstripMenu(GetCurrentTheme()->CreateMenuStyle(), owner);
				}

				controls::GuiToolstripMenuBar* NewMenuBar()
				{
					return new controls::GuiToolstripMenuBar(GetCurrentTheme()->CreateMenuBarStyle());
				}

				controls::GuiControl* NewMenuSplitter()
				{
					return new controls::GuiControl(GetCurrentTheme()->CreateMenuSplitterStyle());
				}

				controls::GuiToolstripButton* NewMenuBarButton()
				{
					return new controls::GuiToolstripButton(GetCurrentTheme()->CreateMenuBarButtonStyle());
				}

				controls::GuiToolstripButton* NewMenuItemButton()
				{
					return new controls::GuiToolstripButton(GetCurrentTheme()->CreateMenuItemButtonStyle());
				}

				controls::GuiToolstripToolBar* NewToolBar()
				{
					return new controls::GuiToolstripToolBar(GetCurrentTheme()->CreateToolBarStyle());
				}

				controls::GuiToolstripButton* NewToolBarButton()
				{
					return new controls::GuiToolstripButton(GetCurrentTheme()->CreateToolBarButtonStyle());
				}

				controls::GuiToolstripButton* NewToolBarDropdownButton()
				{
					return new controls::GuiToolstripButton(GetCurrentTheme()->CreateToolBarDropdownButtonStyle());
				}

				controls::GuiToolstripButton* NewToolBarSplitButton()
				{
					return new controls::GuiToolstripButton(GetCurrentTheme()->CreateToolBarSplitButtonStyle());
				}

				controls::GuiControl* NewToolBarSplitter()
				{
					return new controls::GuiControl(GetCurrentTheme()->CreateToolBarSplitterStyle());
				}

				controls::GuiButton* NewButton()
				{
					return new controls::GuiButton(GetCurrentTheme()->CreateButtonStyle());
				}

				controls::GuiSelectableButton* NewCheckBox()
				{
					return new controls::GuiSelectableButton(GetCurrentTheme()->CreateCheckBoxStyle());
				}

				controls::GuiSelectableButton* NewRadioButton()
				{
					return new controls::GuiSelectableButton(GetCurrentTheme()->CreateRadioButtonStyle());
				}

				controls::GuiDatePicker* NewDatePicker()
				{
					return new controls::GuiDatePicker(GetCurrentTheme()->CreateDatePickerStyle());
				}

				controls::GuiDateComboBox* NewDateComboBox()
				{
					return new controls::GuiDateComboBox(GetCurrentTheme()->CreateComboBoxStyle(), NewDatePicker());
				}

				controls::GuiScroll* NewHScroll()
				{
					return new controls::GuiScroll(GetCurrentTheme()->CreateHScrollStyle());
				}

				controls::GuiScroll* NewVScroll()
				{
					return new controls::GuiScroll(GetCurrentTheme()->CreateVScrollStyle());
				}

				controls::GuiScroll* NewHTracker()
				{
					controls::GuiScroll* scroll=new controls::GuiScroll(GetCurrentTheme()->CreateHTrackerStyle());
					scroll->SetPageSize(0);
					return scroll;
				}

				controls::GuiScroll* NewVTracker()
				{
					controls::GuiScroll* scroll=new controls::GuiScroll(GetCurrentTheme()->CreateVTrackerStyle());
					scroll->SetPageSize(0);
					return scroll;
				}
				
				controls::GuiScroll* NewProgressBar()
				{
					controls::GuiScroll* scroll=new controls::GuiScroll(GetCurrentTheme()->CreateProgressBarStyle());
					scroll->SetPageSize(0);
					return scroll;
				}

				controls::GuiTextList* NewTextList()
				{
					return new controls::GuiTextList(GetCurrentTheme()->CreateTextListStyle(), GetCurrentTheme()->CreateTextListItemStyle());
				}

				controls::GuiTextList* NewCheckTextList()
				{
					return new controls::GuiTextList(GetCurrentTheme()->CreateTextListStyle(), GetCurrentTheme()->CreateCheckTextListItemStyle());
				}

				controls::GuiTextList* NewRadioTextList()
				{
					return new controls::GuiTextList(GetCurrentTheme()->CreateTextListStyle(), GetCurrentTheme()->CreateRadioTextListItemStyle());
				}
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\GUIWIN7STYLES.CPP
***********************************************************************/


namespace vl
{
	namespace presentation
	{
		namespace win7
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win7Theme
***********************************************************************/

			Win7Theme::Win7Theme()
			{
			}

			Win7Theme::~Win7Theme()
			{
			}

			controls::GuiWindow::IStyleController* Win7Theme::CreateWindowStyle()
			{
				return new Win7WindowStyle;
			}

			controls::GuiCustomControl::IStyleController* Win7Theme::CreateCustomControlStyle()
			{
				return new GuiCustomControl::EmptyStyleController;
			}

			controls::GuiTooltip::IStyleController* Win7Theme::CreateTooltipStyle()
			{
				return new Win7TooltipStyle;
			}

			controls::GuiLabel::IStyleController* Win7Theme::CreateLabelStyle()
			{
				return new Win7LabelStyle(false);
			}

			controls::GuiLabel::IStyleController* Win7Theme::CreateShortcutKeyStyle()
			{
				return new Win7LabelStyle(true);
			}

			controls::GuiScrollContainer::IStyleProvider* Win7Theme::CreateScrollContainerStyle()
			{
				return new Win7ScrollViewProvider;
			}

			controls::GuiControl::IStyleController* Win7Theme::CreateGroupBoxStyle()
			{
				return new Win7GroupBoxStyle;
			}

			controls::GuiTab::IStyleController* Win7Theme::CreateTabStyle()
			{
				return new Win7TabStyle;
			}

			controls::GuiComboBoxListControl::IStyleController* Win7Theme::CreateComboBoxStyle()
			{
				return new Win7DropDownComboBoxStyle;
			}

			controls::GuiScrollView::IStyleProvider* Win7Theme::CreateMultilineTextBoxStyle()
			{
				return new Win7MultilineTextBoxProvider;
			}

			controls::GuiSinglelineTextBox::IStyleProvider* Win7Theme::CreateTextBoxStyle()
			{
				return new Win7SinglelineTextBoxProvider;
			}

			elements::text::ColorEntry Win7Theme::GetDefaultTextBoxColorEntry()
			{
				return Win7GetTextBoxTextColor();
			}

			controls::GuiDocumentViewer::IStyleProvider* Win7Theme::CreateDocumentViewerStyle()
			{
				return new Win7DocumentViewerStyle;
			}

			controls::GuiDocumentLabel::IStyleController* Win7Theme::CreateDocumentLabelStyle()
			{
				return new Win7DocumentLabelStyle;
			}

			controls::GuiDocumentLabel::IStyleController* Win7Theme::CreateDocumentTextBoxStyle()
			{
				return new Win7DocumentTextBoxStyle;
			}

			controls::GuiListView::IStyleProvider* Win7Theme::CreateListViewStyle()
			{
				return new Win7ListViewProvider;
			}

			controls::GuiTreeView::IStyleProvider* Win7Theme::CreateTreeViewStyle()
			{
				return new Win7TreeViewProvider;
			}

			controls::GuiSelectableButton::IStyleController* Win7Theme::CreateListItemBackgroundStyle()
			{
				return new Win7SelectableItemStyle();
			}

			controls::GuiToolstripMenu::IStyleController* Win7Theme::CreateMenuStyle()
			{
				return new Win7MenuStyle;
			}

			controls::GuiToolstripMenuBar::IStyleController* Win7Theme::CreateMenuBarStyle()
			{
				return new Win7MenuBarStyle;
			}

			controls::GuiControl::IStyleController* Win7Theme::CreateMenuSplitterStyle()
			{
				return new Win7MenuSplitterStyle;
			}

			controls::GuiToolstripButton::IStyleController* Win7Theme::CreateMenuBarButtonStyle()
			{
				return new Win7MenuBarButtonStyle;
			}

			controls::GuiToolstripButton::IStyleController* Win7Theme::CreateMenuItemButtonStyle()
			{
				return new Win7MenuItemButtonStyle;
			}

			controls::GuiControl::IStyleController* Win7Theme::CreateToolBarStyle()
			{
				return new Win7ToolstripToolBarStyle;
			}

			controls::GuiToolstripButton::IStyleController* Win7Theme::CreateToolBarButtonStyle()
			{
				return new Win7ToolstripButtonStyle(Win7ToolstripButtonStyle::CommandButton);
			}

			controls::GuiToolstripButton::IStyleController* Win7Theme::CreateToolBarDropdownButtonStyle()
			{
				return new Win7ToolstripButtonStyle(Win7ToolstripButtonStyle::DropdownButton);
			}

			controls::GuiToolstripButton::IStyleController* Win7Theme::CreateToolBarSplitButtonStyle()
			{
				return new Win7ToolstripButtonStyle(Win7ToolstripButtonStyle::SplitButton);
			}

			controls::GuiControl::IStyleController* Win7Theme::CreateToolBarSplitterStyle()
			{
				return new Win7ToolstripSplitterStyle;
			}

			controls::GuiButton::IStyleController* Win7Theme::CreateButtonStyle()
			{
				return new Win7ButtonStyle;
			}

			controls::GuiSelectableButton::IStyleController* Win7Theme::CreateCheckBoxStyle()
			{
				return new Win7CheckBoxStyle(Win7CheckBoxStyle::CheckBox);
			}

			controls::GuiSelectableButton::IStyleController* Win7Theme::CreateRadioButtonStyle()
			{
				return new Win7CheckBoxStyle(Win7CheckBoxStyle::RadioButton);
			}

			controls::GuiDatePicker::IStyleProvider* Win7Theme::CreateDatePickerStyle()
			{
				return new Win7DatePickerStyle;
			}

			controls::GuiScroll::IStyleController* Win7Theme::CreateHScrollStyle()
			{
				return new Win7ScrollStyle(Win7ScrollStyle::Horizontal);
			}

			controls::GuiScroll::IStyleController* Win7Theme::CreateVScrollStyle()
			{
				return new Win7ScrollStyle(Win7ScrollStyle::Vertical);
			}

			controls::GuiScroll::IStyleController* Win7Theme::CreateHTrackerStyle()
			{
				return new Win7TrackStyle(Win7TrackStyle::Horizontal);
			}

			controls::GuiScroll::IStyleController* Win7Theme::CreateVTrackerStyle()
			{
				return new Win7TrackStyle(Win7TrackStyle::Vertical);
			}

			controls::GuiScroll::IStyleController* Win7Theme::CreateProgressBarStyle()
			{
				return new Win7ProgressBarStyle;
			}

			vint Win7Theme::GetScrollDefaultSize()
			{
				return Win7ScrollStyle::DefaultSize;
			}

			vint Win7Theme::GetTrackerDefaultSize()
			{
				return Win7TrackStyle::HandleLong;
			}

			controls::GuiVirtualTextList::IStyleProvider* Win7Theme::CreateTextListStyle()
			{
				return new Win7TextListProvider;
			}

			controls::list::TextItemStyleProvider::IBulletFactory* Win7Theme::CreateTextListItemStyle()
			{
				return new Win7TextListItemProvider;
			}

			controls::list::TextItemStyleProvider::IBulletFactory* Win7Theme::CreateCheckTextListItemStyle()
			{
				return new Win7CheckTextListItemProvider;
			}

			controls::list::TextItemStyleProvider::IBulletFactory* Win7Theme::CreateRadioTextListItemStyle()
			{
				return new Win7RadioTextListItemProvider;
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\GUIWIN8STYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win8
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win8Theme
***********************************************************************/

			Win8Theme::Win8Theme()
			{
			}

			Win8Theme::~Win8Theme()
			{
			}

			controls::GuiWindow::IStyleController* Win8Theme::CreateWindowStyle()
			{
				return new Win8WindowStyle;
			}

			controls::GuiCustomControl::IStyleController* Win8Theme::CreateCustomControlStyle()
			{
				return new GuiCustomControl::EmptyStyleController;
			}

			controls::GuiTooltip::IStyleController* Win8Theme::CreateTooltipStyle()
			{
				return new Win8TooltipStyle;
			}

			controls::GuiLabel::IStyleController* Win8Theme::CreateLabelStyle()
			{
				return new Win8LabelStyle(false);
			}

			controls::GuiLabel::IStyleController* Win8Theme::CreateShortcutKeyStyle()
			{
				return new Win8LabelStyle(true);
			}

			controls::GuiScrollContainer::IStyleProvider* Win8Theme::CreateScrollContainerStyle()
			{
				return new Win8ScrollViewProvider;
			}

			controls::GuiControl::IStyleController* Win8Theme::CreateGroupBoxStyle()
			{
				return new Win8GroupBoxStyle;
			}

			controls::GuiTab::IStyleController* Win8Theme::CreateTabStyle()
			{
				return new Win8TabStyle;
			}

			controls::GuiComboBoxListControl::IStyleController* Win8Theme::CreateComboBoxStyle()
			{
				return new Win8DropDownComboBoxStyle;
			}

			controls::GuiScrollView::IStyleProvider* Win8Theme::CreateMultilineTextBoxStyle()
			{
				return new Win8MultilineTextBoxProvider;
			}

			controls::GuiSinglelineTextBox::IStyleProvider* Win8Theme::CreateTextBoxStyle()
			{
				return new Win8SinglelineTextBoxProvider;
			}

			elements::text::ColorEntry Win8Theme::GetDefaultTextBoxColorEntry()
			{
				return Win8GetTextBoxTextColor();
			}

			controls::GuiDocumentViewer::IStyleProvider* Win8Theme::CreateDocumentViewerStyle()
			{
				return new Win8DocumentViewerStyle;
			}

			controls::GuiDocumentLabel::IStyleController* Win8Theme::CreateDocumentLabelStyle()
			{
				return new Win8DocumentLabelStyle;
			}

			controls::GuiDocumentLabel::IStyleController* Win8Theme::CreateDocumentTextBoxStyle()
			{
				return new Win8DocumentTextBoxStyle;
			}

			controls::GuiListView::IStyleProvider* Win8Theme::CreateListViewStyle()
			{
				return new Win8ListViewProvider;
			}

			controls::GuiTreeView::IStyleProvider* Win8Theme::CreateTreeViewStyle()
			{
				return new Win8TreeViewProvider;
			}

			controls::GuiSelectableButton::IStyleController* Win8Theme::CreateListItemBackgroundStyle()
			{
				return new Win8SelectableItemStyle();
			}

			controls::GuiToolstripMenu::IStyleController* Win8Theme::CreateMenuStyle()
			{
				return new Win8MenuStyle;
			}

			controls::GuiToolstripMenuBar::IStyleController* Win8Theme::CreateMenuBarStyle()
			{
				return new Win8MenuBarStyle;
			}

			controls::GuiControl::IStyleController* Win8Theme::CreateMenuSplitterStyle()
			{
				return new Win8MenuSplitterStyle;
			}

			controls::GuiToolstripButton::IStyleController* Win8Theme::CreateMenuBarButtonStyle()
			{
				return new Win8MenuBarButtonStyle;
			}

			controls::GuiToolstripButton::IStyleController* Win8Theme::CreateMenuItemButtonStyle()
			{
				return new Win8MenuItemButtonStyle;
			}

			controls::GuiControl::IStyleController* Win8Theme::CreateToolBarStyle()
			{
				return new Win8ToolstripToolBarStyle;
			}

			controls::GuiToolstripButton::IStyleController* Win8Theme::CreateToolBarButtonStyle()
			{
				return new Win8ToolstripButtonStyle(Win8ToolstripButtonStyle::CommandButton);
			}

			controls::GuiToolstripButton::IStyleController* Win8Theme::CreateToolBarDropdownButtonStyle()
			{
				return new Win8ToolstripButtonStyle(Win8ToolstripButtonStyle::DropdownButton);
			}

			controls::GuiToolstripButton::IStyleController* Win8Theme::CreateToolBarSplitButtonStyle()
			{
				return new Win8ToolstripButtonStyle(Win8ToolstripButtonStyle::SplitButton);
			}

			controls::GuiControl::IStyleController* Win8Theme::CreateToolBarSplitterStyle()
			{
				return new Win8ToolstripSplitterStyle;
			}

			controls::GuiButton::IStyleController* Win8Theme::CreateButtonStyle()
			{
				return new Win8ButtonStyle;
			}

			controls::GuiSelectableButton::IStyleController* Win8Theme::CreateCheckBoxStyle()
			{
				return new Win8CheckBoxStyle(Win8CheckBoxStyle::CheckBox);
			}

			controls::GuiSelectableButton::IStyleController* Win8Theme::CreateRadioButtonStyle()
			{
				return new Win8CheckBoxStyle(Win8CheckBoxStyle::RadioButton);
			}

			controls::GuiDatePicker::IStyleProvider* Win8Theme::CreateDatePickerStyle()
			{
				return new Win8DatePickerStyle;
			}

			controls::GuiScroll::IStyleController* Win8Theme::CreateHScrollStyle()
			{
				return new Win8ScrollStyle(common_styles::CommonScrollStyle::Horizontal);
			}

			controls::GuiScroll::IStyleController* Win8Theme::CreateVScrollStyle()
			{
				return new Win8ScrollStyle(common_styles::CommonScrollStyle::Vertical);
			}

			controls::GuiScroll::IStyleController* Win8Theme::CreateHTrackerStyle()
			{
				return new Win8TrackStyle(common_styles::CommonTrackStyle::Horizontal);
			}

			controls::GuiScroll::IStyleController* Win8Theme::CreateVTrackerStyle()
			{
				return new Win8TrackStyle(common_styles::CommonTrackStyle::Vertical);
			}

			controls::GuiScroll::IStyleController* Win8Theme::CreateProgressBarStyle()
			{
				return new Win8ProgressBarStyle;
			}

			vint Win8Theme::GetScrollDefaultSize()
			{
				return Win8ScrollStyle::DefaultSize;
			}

			vint Win8Theme::GetTrackerDefaultSize()
			{
				return Win8TrackStyle::HandleLong;
			}

			controls::GuiVirtualTextList::IStyleProvider* Win8Theme::CreateTextListStyle()
			{
				return new Win8TextListProvider;
			}

			controls::list::TextItemStyleProvider::IBulletFactory* Win8Theme::CreateTextListItemStyle()
			{
				return new Win8TextListItemProvider;
			}

			controls::list::TextItemStyleProvider::IBulletFactory* Win8Theme::CreateCheckTextListItemStyle()
			{
				return new Win8CheckTextListItemProvider;
			}

			controls::list::TextItemStyleProvider::IBulletFactory* Win8Theme::CreateRadioTextListItemStyle()
			{
				return new Win8RadioTextListItemProvider;
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN7STYLES\GUIWIN7BUTTONSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win7
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win7ButtonStyleBase
***********************************************************************/

			IMPLEMENT_TRANSFERRING_ANIMATION(Win7ButtonColors, Win7ButtonStyleBase)
			{
				colorCurrent=Win7ButtonColors::Blend(colorBegin, colorEnd, currentPosition, totalLength);
				style->elements.Apply(colorCurrent);
				style->AfterApplyColors(colorCurrent);
			}

			void Win7ButtonStyleBase::AfterApplyColors(const Win7ButtonColors& colors)
			{
			}

			Win7ButtonStyleBase::Win7ButtonStyleBase(bool verticalGradient, bool roundBorder, const Win7ButtonColors& initialColor, Alignment horizontal, Alignment vertical)
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isSelected(false)
				,transparentWhenInactive(false)
				,transparentWhenDisabled(false)
			{
				elements=Win7ButtonElements::Create(verticalGradient, roundBorder, horizontal, vertical);
				elements.Apply(initialColor);
				transferringAnimation=new TransferringAnimation(this, initialColor);
			}

			Win7ButtonStyleBase::~Win7ButtonStyleBase()
			{
				transferringAnimation->Disable();
			}

			compositions::GuiBoundsComposition* Win7ButtonStyleBase::GetBoundsComposition()
			{
				return elements.mainComposition;
			}

			compositions::GuiGraphicsComposition* Win7ButtonStyleBase::GetContainerComposition()
			{
				return elements.mainComposition;
			}

			void Win7ButtonStyleBase::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7ButtonStyleBase::SetText(const WString& value)
			{
				elements.textElement->SetText(value);
			}

			void Win7ButtonStyleBase::SetFont(const FontProperties& value)
			{
				Win7SetFont(elements.textElement, elements.textComposition, value);
			}

			void Win7ButtonStyleBase::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win7ButtonStyleBase::SetSelected(bool value)
			{
				if(isSelected!=value)
				{
					isSelected=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win7ButtonStyleBase::Transfer(GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			bool Win7ButtonStyleBase::GetTransparentWhenInactive()
			{
				return transparentWhenInactive;
			}

			void Win7ButtonStyleBase::SetTransparentWhenInactive(bool value)
			{
				transparentWhenInactive=value;
				TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
			}

			bool Win7ButtonStyleBase::GetTransparentWhenDisabled()
			{
				return transparentWhenDisabled;
			}

			void Win7ButtonStyleBase::SetTransparentWhenDisabled(bool value)
			{
				transparentWhenDisabled=value;
				TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
			}

			bool Win7ButtonStyleBase::GetAutoSizeForText()
			{
				return elements.textComposition->GetMinSizeLimitation()!=GuiGraphicsComposition::NoLimit;
			}

			void Win7ButtonStyleBase::SetAutoSizeForText(bool value)
			{
				if(value)
				{
					elements.textComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				}
				else
				{
					elements.textComposition->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
				}
			}

/***********************************************************************
Win7ButtonStyle
***********************************************************************/

			void Win7ButtonStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected)
			{
				Win7ButtonColors targetColor;
				if(enabled)
				{
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=Win7ButtonColors::ButtonNormal();
						if(transparentWhenInactive)
						{
							targetColor.SetAlphaWithoutText(0);
						}
						break;
					case GuiButton::Active:
						targetColor=Win7ButtonColors::ButtonActive();
						break;
					case GuiButton::Pressed:
						targetColor=Win7ButtonColors::ButtonPressed();
						break;
					}
				}
				else
				{
					targetColor=Win7ButtonColors::ButtonDisabled();
					if(transparentWhenDisabled)
					{
						targetColor.SetAlphaWithoutText(0);
					}
				}
				transferringAnimation->Transfer(targetColor);
			}

			Win7ButtonStyle::Win7ButtonStyle(bool verticalGradient)
				:Win7ButtonStyleBase(verticalGradient, true, Win7ButtonColors::ButtonNormal(), Alignment::Center, Alignment::Center)
			{
			}

			Win7ButtonStyle::~Win7ButtonStyle()
			{
			}

/***********************************************************************
Win7CheckBoxStyle
***********************************************************************/

			IMPLEMENT_TRANSFERRING_ANIMATION(Win7ButtonColors, Win7CheckBoxStyle)
			{
				colorCurrent=Win7ButtonColors::Blend(colorBegin, colorEnd, currentPosition, totalLength);
				style->elements.Apply(colorCurrent);
			}

			void Win7CheckBoxStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected)
			{
				if(enabled)
				{
					switch(value)
					{
					case GuiButton::Normal:
						transferringAnimation->Transfer(Win7ButtonColors::CheckedNormal(selected));
						break;
					case GuiButton::Active:
						transferringAnimation->Transfer(Win7ButtonColors::CheckedActive(selected));
						break;
					case GuiButton::Pressed:
						transferringAnimation->Transfer(Win7ButtonColors::CheckedPressed(selected));
						break;
					}
				}
				else
				{
					transferringAnimation->Transfer(Win7ButtonColors::CheckedDisabled(selected));
				}
			}

			Win7CheckBoxStyle::Win7CheckBoxStyle(BulletStyle bulletStyle, bool backgroundVisible)
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isSelected(false)
			{
				Win7ButtonColors initialColor=Win7ButtonColors::CheckedNormal(isSelected);
				elements=Win7CheckedButtonElements::Create(bulletStyle==CheckBox?ElementShape::Rectangle:ElementShape::Ellipse, backgroundVisible);
				elements.Apply(initialColor);
				transferringAnimation=new TransferringAnimation(this, initialColor);
			}

			Win7CheckBoxStyle::~Win7CheckBoxStyle()
			{
				transferringAnimation->Disable();
			}

			compositions::GuiBoundsComposition* Win7CheckBoxStyle::GetBoundsComposition()
			{
				return elements.mainComposition;
			}

			compositions::GuiGraphicsComposition* Win7CheckBoxStyle::GetContainerComposition()
			{
				return elements.mainComposition;
			}

			void Win7CheckBoxStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7CheckBoxStyle::SetText(const WString& value)
			{
				elements.textElement->SetText(value);
			}

			void Win7CheckBoxStyle::SetFont(const FontProperties& value)
			{
				Win7SetFont(elements.textElement, elements.textComposition, value);
			}

			void Win7CheckBoxStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win7CheckBoxStyle::SetSelected(bool value)
			{
				if(isSelected!=value)
				{
					isSelected=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win7CheckBoxStyle::Transfer(GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN7STYLES\GUIWIN7CONTROLSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win7
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win7EmptyStyle
***********************************************************************/

			Win7EmptyStyle::Win7EmptyStyle(Color color)
			{
				GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
				element->SetColor(color);
				
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetOwnedElement(element);
			}

			Win7EmptyStyle::~Win7EmptyStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7EmptyStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7EmptyStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void Win7EmptyStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7EmptyStyle::SetText(const WString& value)
			{
			}

			void Win7EmptyStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7EmptyStyle::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
Win7WindowStyle
***********************************************************************/

			Win7WindowStyle::Win7WindowStyle()
			{
				GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
				element->SetColor(Win7GetSystemWindowColor());
				
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetOwnedElement(element);
			}

			Win7WindowStyle::~Win7WindowStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7WindowStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7WindowStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void Win7WindowStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7WindowStyle::SetText(const WString& value)
			{
			}

			void Win7WindowStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7WindowStyle::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
Win7TooltipStyle
***********************************************************************/

			Win7TooltipStyle::Win7TooltipStyle()
			{
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					element->SetColor(Color(100, 100, 100));
					boundsComposition->SetOwnedElement(element);
				}

				containerComposition=new GuiBoundsComposition;
				containerComposition->SetAlignmentToParent(Margin(1, 1, 1, 1));
				containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				boundsComposition->AddChild(containerComposition);
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Color(255, 255, 225));
					containerComposition->SetOwnedElement(element);
				}
			}

			Win7TooltipStyle::~Win7TooltipStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7TooltipStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7TooltipStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win7TooltipStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7TooltipStyle::SetText(const WString& value)
			{
			}

			void Win7TooltipStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7TooltipStyle::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
Win7LabelStyle
***********************************************************************/

			Win7LabelStyle::Win7LabelStyle(bool forShortcutKey)
			{
				textElement=GuiSolidLabelElement::Create();
				textElement->SetColor(GetDefaultTextColor());
				
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetMinSizeLimitation(GuiBoundsComposition::LimitToElementAndChildren);
				if (forShortcutKey)
				{
					{
						GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
						element->SetColor(Color(100, 100, 100));
						boundsComposition->SetOwnedElement(element);
					}

					auto containerComposition=new GuiBoundsComposition;
					containerComposition->SetAlignmentToParent(Margin(1, 1, 1, 1));
					containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					boundsComposition->AddChild(containerComposition);
					{
						GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
						element->SetColor(Color(255, 255, 225));
						containerComposition->SetOwnedElement(element);
					}

					auto labelComposition = new GuiBoundsComposition;
					labelComposition->SetAlignmentToParent(Margin(2, 2, 2, 2));
					labelComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
					labelComposition->SetOwnedElement(textElement);
					containerComposition->AddChild(labelComposition);
				}
				else
				{
					boundsComposition->SetOwnedElement(textElement);
				}
			}

			Win7LabelStyle::~Win7LabelStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7LabelStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7LabelStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void Win7LabelStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7LabelStyle::SetText(const WString& value)
			{
				textElement->SetText(value);
			}

			void Win7LabelStyle::SetFont(const FontProperties& value)
			{
				textElement->SetFont(value);
			}

			void Win7LabelStyle::SetVisuallyEnabled(bool value)
			{
			}

			Color Win7LabelStyle::GetDefaultTextColor()
			{
				return Win7GetSystemTextColor(true);
			}

			void Win7LabelStyle::SetTextColor(Color value)
			{
				textElement->SetColor(value);
			}

/***********************************************************************
Win7GroupBoxStyle
***********************************************************************/
			
			IMPLEMENT_TRANSFERRING_ANIMATION(Color, Win7GroupBoxStyle)
			{
				colorCurrent=BlendColor(colorBegin, colorEnd, currentPosition, totalLength);
				style->textElement->SetColor(colorCurrent);
			}

			void Win7GroupBoxStyle::SetMargins(vint fontSize)
			{
				fontSize+=4;
				vint half=fontSize/2;
				sinkBorderComposition->SetAlignmentToParent(Margin(0, half, 1, 1));
				raisedBorderComposition->SetAlignmentToParent(Margin(1, half+1, 0, 0));
				containerComposition->SetAlignmentToParent(Margin(2, fontSize, 2, 2));
				textBackgroundComposition->SetAlignmentToParent(Margin(half, 2, -1, -1));
			}

			Win7GroupBoxStyle::Win7GroupBoxStyle()
			{
				boundsComposition=new GuiBoundsComposition;
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Win7GetSystemWindowColor());

					boundsComposition->SetOwnedElement(element);
					boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				}

				sinkBorderComposition=new GuiBoundsComposition;
				{
					GuiRoundBorderElement* element=GuiRoundBorderElement::Create();
					element->SetRadius(3);
					element->SetColor(Color(213, 223, 229));

					sinkBorderComposition->SetOwnedElement(element);
					boundsComposition->AddChild(sinkBorderComposition);
				}

				raisedBorderComposition=new GuiBoundsComposition;
				{
					GuiRoundBorderElement* element=GuiRoundBorderElement::Create();
					element->SetRadius(3);
					element->SetColor(Color(255, 255, 255));

					raisedBorderComposition->SetOwnedElement(element);
					boundsComposition->AddChild(raisedBorderComposition);
				}

				textBackgroundComposition=new GuiBoundsComposition;
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Win7GetSystemWindowColor());

					textBackgroundComposition->SetOwnedElement(element);
					textBackgroundComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					boundsComposition->AddChild(textBackgroundComposition);
				}

				textComposition=new GuiBoundsComposition;
				{
					GuiSolidLabelElement* element=GuiSolidLabelElement::Create();
					element->SetColor(Win7GetSystemTextColor(true));
					textElement=element;

					textComposition->SetOwnedElement(element);
					textComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					textComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
					textBackgroundComposition->AddChild(textComposition);
				}

				containerComposition=new GuiBoundsComposition;
				{
					boundsComposition->AddChild(containerComposition);
				}

				SetMargins(0);
				transferringAnimation=new TransferringAnimation(this, Win7GetSystemTextColor(true));
			}

			Win7GroupBoxStyle::~Win7GroupBoxStyle()
			{
				transferringAnimation->Disable();
			}

			compositions::GuiBoundsComposition* Win7GroupBoxStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7GroupBoxStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win7GroupBoxStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7GroupBoxStyle::SetText(const WString& value)
			{
				textElement->SetText(value);
			}

			void Win7GroupBoxStyle::SetFont(const FontProperties& value)
			{
				textElement->SetFont(value);
				SetMargins(value.size);
			}

			void Win7GroupBoxStyle::SetVisuallyEnabled(bool value)
			{
				if(value)
				{
					transferringAnimation->Transfer(Win7GetSystemTextColor(true));
				}
				else
				{
					transferringAnimation->Transfer(Win7GetSystemTextColor(false));
				}
			}

/***********************************************************************
Win7DatePickerStyle
***********************************************************************/

			Win7DatePickerStyle::Win7DatePickerStyle()
			{
			}

			Win7DatePickerStyle::~Win7DatePickerStyle()
			{
			}

			void Win7DatePickerStyle::AssociateStyleController(controls::GuiControl::IStyleController* controller)
			{
			}

			void Win7DatePickerStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7DatePickerStyle::SetText(const WString& value)
			{
			}

			void Win7DatePickerStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7DatePickerStyle::SetVisuallyEnabled(bool value)
			{
			}

			controls::GuiSelectableButton::IStyleController* Win7DatePickerStyle::CreateDateButtonStyle()
			{
				return new Win7SelectableItemStyle;
			}

			controls::GuiTextList* Win7DatePickerStyle::CreateTextList()
			{
				return new GuiTextList(new Win7TextListProvider, new Win7TextListItemProvider);
			}

			controls::GuiComboBoxListControl::IStyleController* Win7DatePickerStyle::CreateComboBoxStyle()
			{
				return new Win7DropDownComboBoxStyle;
			}

			Color Win7DatePickerStyle::GetBackgroundColor()
			{
				return Win7GetSystemWindowColor();
			}

			Color Win7DatePickerStyle::GetPrimaryTextColor()
			{
				return Win7GetSystemTextColor(true);
			}

			Color Win7DatePickerStyle::GetSecondaryTextColor()
			{
				return Win7GetSystemTextColor(false);
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN7STYLES\GUIWIN7LISTSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win7
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win7SelectableItemStyle
***********************************************************************/

			void Win7SelectableItemStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected)
			{
				if(!enabled)
				{
					transferringAnimation->Transfer(Win7ButtonColors::ItemDisabled());
				}
				else if(selected)
				{
					transferringAnimation->Transfer(Win7ButtonColors::ItemSelected());
				}
				else
				{
					switch(value)
					{
					case GuiButton::Normal:
						transferringAnimation->Transfer(Win7ButtonColors::ItemNormal());
						break;
					case GuiButton::Active:
						transferringAnimation->Transfer(Win7ButtonColors::ItemActive());
						break;
					case GuiButton::Pressed:
						transferringAnimation->Transfer(Win7ButtonColors::ItemSelected());
						break;
					}
				}
			}

			Win7SelectableItemStyle::Win7SelectableItemStyle()
				:Win7ButtonStyleBase(true, true, Win7ButtonColors::ItemNormal(), Alignment::Left, Alignment::Center)
			{
				transferringAnimation->SetEnableAnimation(false);
			}

			Win7SelectableItemStyle::~Win7SelectableItemStyle()
			{
			}

/***********************************************************************
Win7ListViewColumnDropDownStyle
***********************************************************************/

			void Win7ListViewColumnDropDownStyle::TransferInternal(controls::GuiButton::ControlState value, bool enabled, bool selected)
			{
				if(!enabled) value=GuiButton::Normal;
				switch(value)
				{
				case GuiButton::Normal:
					{
						leftBorderComposition->SetVisible(true);
						borderComposition->SetVisible(false);
						gradientComposition->SetVisible(false);

						leftBorderElement->SetColors(Color(223, 234, 247), Color(252, 252, 252));
					}
					break;
				case GuiButton::Active:
				case GuiButton::Pressed:
					{
						leftBorderComposition->SetVisible(false);
						borderComposition->SetVisible(true);
						gradientComposition->SetVisible(true);

						borderElement->SetColor(Color(192, 203, 217));
						gradientElement->SetColors(Color(230, 241, 255), Color(224, 226, 253));
					}
					break;
				}
			}

			Win7ListViewColumnDropDownStyle::Win7ListViewColumnDropDownStyle()
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isSelected(false)
			{
				mainComposition=new GuiBoundsComposition;
				mainComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);

				leftBorderElement=GuiGradientBackgroundElement::Create();
				leftBorderElement->SetDirection(GuiGradientBackgroundElement::Vertical);
				leftBorderComposition=new GuiBoundsComposition;
				leftBorderComposition->SetOwnedElement(leftBorderElement);
				leftBorderComposition->SetAlignmentToParent(Margin(0, 1, -1, 1));
				leftBorderComposition->SetPreferredMinSize(Size(1, 1));
				mainComposition->AddChild(leftBorderComposition);

				borderElement=GuiSolidBorderElement::Create();
				borderComposition=new GuiBoundsComposition;
				borderComposition->SetOwnedElement(borderElement);
				borderComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				mainComposition->AddChild(borderComposition);

				gradientElement=GuiGradientBackgroundElement::Create();
				gradientElement->SetDirection(GuiGradientBackgroundElement::Vertical);
				gradientComposition=new GuiBoundsComposition;
				gradientComposition->SetOwnedElement(gradientElement);
				gradientComposition->SetAlignmentToParent(Margin(2, 2, 2, 2));
				gradientComposition->SetPreferredMinSize(Size(0, 4));
				mainComposition->AddChild(gradientComposition);

				arrowElement=common_styles::CommonFragmentBuilder::BuildDownArrow();
				arrowElement->SetBackgroundColor(Color(76, 96, 122));
				arrowElement->SetBorderColor(Color(76, 96, 122));
				arrowComposition=new GuiBoundsComposition;
				arrowComposition->SetOwnedElement(arrowElement);
				arrowComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				arrowComposition->SetAlignmentToParent(Margin(3, 3, 3, 3));
				mainComposition->AddChild(arrowComposition);

				TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
			}

			Win7ListViewColumnDropDownStyle::~Win7ListViewColumnDropDownStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7ListViewColumnDropDownStyle::GetBoundsComposition()
			{
				return mainComposition;
			}

			compositions::GuiGraphicsComposition* Win7ListViewColumnDropDownStyle::GetContainerComposition()
			{
				return mainComposition;
			}

			void Win7ListViewColumnDropDownStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7ListViewColumnDropDownStyle::SetText(const WString& value)
			{
			}

			void Win7ListViewColumnDropDownStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7ListViewColumnDropDownStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win7ListViewColumnDropDownStyle::SetSelected(bool value)
			{
				if(isSelected!=value)
				{
					isSelected=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win7ListViewColumnDropDownStyle::Transfer(GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

/***********************************************************************
Win7ListViewColumnHeaderStyle
***********************************************************************/

			void Win7ListViewColumnHeaderStyle::TransferInternal(controls::GuiButton::ControlState value, bool enabled, bool subMenuExisting, bool subMenuOpening)
			{
				if(!enabled) value=GuiButton::Normal;
				switch(value)
				{
				case GuiButton::Normal:
					{
						rightBorderComposition->SetVisible(true);
						borderComposition->SetVisible(false);
						gradientComposition->SetVisible(false);

						backgroundElement->SetColor(Color(252, 252, 252));
						rightBorderElement->SetColors(Color(223, 234, 247), Color(252, 252, 252));

						dropdownButton->SetVisible(subMenuOpening);
					}
					break;
				case GuiButton::Active:
					{
						rightBorderComposition->SetVisible(false);
						borderComposition->SetVisible(true);
						gradientComposition->SetVisible(true);
						gradientComposition->SetAlignmentToParent(Margin(2, 2, 2, 2));

						backgroundElement->SetColor(Color(252, 252, 252));
						borderElement->SetColor(Color(223, 233, 246));
						gradientElement->SetColors(Color(243, 248, 253), Color(239, 243, 249));

						dropdownButton->SetVisible(isSubMenuExisting);
					}
					break;
				case GuiButton::Pressed:
					{
						rightBorderComposition->SetVisible(false);
						borderComposition->SetVisible(true);
						gradientComposition->SetVisible(true);
						gradientComposition->SetAlignmentToParent(Margin(1, 0, 1, -1));

						backgroundElement->SetColor(Color(246, 247, 248));
						borderElement->SetColor(Color(192, 203, 217));
						gradientElement->SetColors(Color(193, 204, 218), Color(252, 252, 252));

						dropdownButton->SetVisible(isSubMenuExisting);
					}
					break;
				}
			}

			Win7ListViewColumnHeaderStyle::Win7ListViewColumnHeaderStyle()
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isSubMenuExisting(false)
				,isSubMenuOpening(false)
			{
				backgroundElement=GuiSolidBackgroundElement::Create();
				mainComposition=new GuiBoundsComposition;
				mainComposition->SetOwnedElement(backgroundElement);
				mainComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);

				rightBorderElement=GuiGradientBackgroundElement::Create();
				rightBorderElement->SetDirection(GuiGradientBackgroundElement::Vertical);
				rightBorderComposition=new GuiBoundsComposition;
				rightBorderComposition->SetOwnedElement(rightBorderElement);
				rightBorderComposition->SetAlignmentToParent(Margin(-1, 0, 0, 0));
				rightBorderComposition->SetPreferredMinSize(Size(1, 1));
				mainComposition->AddChild(rightBorderComposition);

				borderElement=GuiSolidBorderElement::Create();
				borderComposition=new GuiBoundsComposition;
				borderComposition->SetOwnedElement(borderElement);
				borderComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				mainComposition->AddChild(borderComposition);

				gradientElement=GuiGradientBackgroundElement::Create();
				gradientElement->SetDirection(GuiGradientBackgroundElement::Vertical);
				gradientComposition=new GuiBoundsComposition;
				gradientComposition->SetOwnedElement(gradientElement);
				gradientComposition->SetAlignmentToParent(Margin(2, 2, 2, 2));
				gradientComposition->SetPreferredMinSize(Size(0, 4));
				mainComposition->AddChild(gradientComposition);

				textElement=GuiSolidLabelElement::Create();
				textElement->SetColor(Color(76, 96, 122));
				textComposition=new GuiBoundsComposition;
				textComposition->SetOwnedElement(textElement);
				textComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				textComposition->SetAlignmentToParent(Margin(15, 7, 18, 5));
				mainComposition->AddChild(textComposition);

				arrowElement=GuiPolygonElement::Create();
				arrowElement->SetBackgroundColor(Color(76, 96, 122));
				arrowElement->SetBorderColor(Color(76, 96, 122));
				arrowComposition=new GuiBoundsComposition;
				arrowComposition->SetOwnedElement(arrowElement);
				arrowComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				arrowComposition->SetAlignmentToParent(Margin(0, 2, 0, -1));
				mainComposition->AddChild(arrowComposition);

				dropdownButton=new GuiButton(new Win7ListViewColumnDropDownStyle);
				dropdownButton->GetBoundsComposition()->SetAlignmentToParent(Margin(-1, 0, 0, 0));
				dropdownButton->SetVisible(false);
				mainComposition->AddChild(dropdownButton->GetBoundsComposition());

				TransferInternal(controlStyle, isVisuallyEnabled, isSubMenuExisting, isSubMenuOpening);
			}

			Win7ListViewColumnHeaderStyle::~Win7ListViewColumnHeaderStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7ListViewColumnHeaderStyle::GetBoundsComposition()
			{
				return mainComposition;
			}

			compositions::GuiGraphicsComposition* Win7ListViewColumnHeaderStyle::GetContainerComposition()
			{
				return mainComposition;
			}

			void Win7ListViewColumnHeaderStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7ListViewColumnHeaderStyle::SetText(const WString& value)
			{
				textElement->SetText(value);
			}

			void Win7ListViewColumnHeaderStyle::SetFont(const FontProperties& value)
			{
				textElement->SetFont(value);
			}

			void Win7ListViewColumnHeaderStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSubMenuExisting, isSubMenuOpening);
				}
			}

			void Win7ListViewColumnHeaderStyle::SetSelected(bool value)
			{
			}

			void Win7ListViewColumnHeaderStyle::Transfer(GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSubMenuExisting, isSubMenuOpening);
				}
			}

			controls::GuiMenu::IStyleController* Win7ListViewColumnHeaderStyle::CreateSubMenuStyleController()
			{
				return new Win7MenuStyle;
			}

			void Win7ListViewColumnHeaderStyle::SetSubMenuExisting(bool value)
			{
				if(isSubMenuExisting!=value)
				{
					isSubMenuExisting=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSubMenuExisting, isSubMenuOpening);
				}
			}

			void Win7ListViewColumnHeaderStyle::SetSubMenuOpening(bool value)
			{
				if(isSubMenuOpening!=value)
				{
					isSubMenuOpening=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSubMenuExisting, isSubMenuOpening);
				}
			}

			controls::GuiButton* Win7ListViewColumnHeaderStyle::GetSubMenuHost()
			{
				return dropdownButton;
			}

			void Win7ListViewColumnHeaderStyle::SetImage(Ptr<GuiImageData> value)
			{
			}

			void Win7ListViewColumnHeaderStyle::SetShortcutText(const WString& value)
			{
			}

			void Win7ListViewColumnHeaderStyle::SetColumnSortingState(controls::GuiListViewColumnHeader::ColumnSortingState value)
			{
				Margin margin=arrowComposition->GetAlignmentToParent();
				switch(value)
				{
				case controls::GuiListViewColumnHeader::NotSorted:
					arrowElement->SetPoints(0, 0);
					break;
				case controls::GuiListViewColumnHeader::Ascending:
					common_styles::CommonFragmentBuilder::FillUpArrow(arrowElement);
					break;
				case controls::GuiListViewColumnHeader::Descending:
					common_styles::CommonFragmentBuilder::FillDownArrow(arrowElement);
					break;
				}
			}

/***********************************************************************
Win7TreeViewExpandingButtonStyle
***********************************************************************/

			void Win7TreeViewExpandingButtonStyle::TransferInternal(controls::GuiButton::ControlState value, bool enabled, bool selected)
			{
				bool expanding=false;
				bool activated=false;
				if(isVisuallyEnabled)
				{
					expanding=selected;
					activated=value!=GuiButton::Normal;
				}

				Point points[3];
				if(expanding)
				{
					points[0]=Point(5, 2);
					points[1]=Point(5, 7);
					points[2]=Point(0, 7);
				}
				else
				{
					points[0]=Point(0, 1);
					points[1]=Point(4, 5);
					points[2]=Point(0, 9);
				}
				polygonElement->SetPoints(points, sizeof(points)/sizeof(*points));

				if(activated)
				{
					polygonElement->SetBorderColor(Color(28, 196, 247));
					polygonElement->SetBackgroundColor(Color(130, 223, 251));
				}
				else if(expanding)
				{
					polygonElement->SetBorderColor(Color(38, 38, 38));
					polygonElement->SetBackgroundColor(Color(89, 89, 89));
				}
				else
				{
					polygonElement->SetBorderColor(Color(166, 166, 166));
					polygonElement->SetBackgroundColor(Color(255, 255, 255));
				}
			}

			Win7TreeViewExpandingButtonStyle::Win7TreeViewExpandingButtonStyle()
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isSelected(false)
			{
				polygonElement=GuiPolygonElement::Create();
				polygonElement->SetSize(Size(6, 11));

				mainComposition=new GuiBoundsComposition;
				mainComposition->SetOwnedElement(polygonElement);
				mainComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);

				TransferInternal(controlStyle, true, isSelected);
			}

			Win7TreeViewExpandingButtonStyle::~Win7TreeViewExpandingButtonStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7TreeViewExpandingButtonStyle::GetBoundsComposition()
			{
				return mainComposition;
			}

			compositions::GuiGraphicsComposition* Win7TreeViewExpandingButtonStyle::GetContainerComposition()
			{
				return mainComposition;
			}

			void Win7TreeViewExpandingButtonStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7TreeViewExpandingButtonStyle::SetText(const WString& value)
			{
			}

			void Win7TreeViewExpandingButtonStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7TreeViewExpandingButtonStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win7TreeViewExpandingButtonStyle::SetSelected(bool value)
			{
				if(isSelected!=value)
				{
					isSelected=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win7TreeViewExpandingButtonStyle::Transfer(GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

/***********************************************************************
Win7DropDownComboBoxStyle
***********************************************************************/

			void Win7DropDownComboBoxStyle::TransferInternal(controls::GuiButton::ControlState value, bool enabled, bool selected)
			{
				Win7ButtonColors targetColor;
				if(enabled)
				{
					if(selected) value=GuiButton::Pressed;
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=Win7ButtonColors::ButtonNormal();
						break;
					case GuiButton::Active:
						targetColor=Win7ButtonColors::ButtonActive();
						break;
					case GuiButton::Pressed:
						targetColor=Win7ButtonColors::ButtonPressed();
						break;
					}
				}
				else
				{
					targetColor=Win7ButtonColors::ButtonDisabled();
				}
				transferringAnimation->Transfer(targetColor);
			}

			void Win7DropDownComboBoxStyle::AfterApplyColors(const Win7ButtonColors& colors)
			{
				Win7ButtonStyle::AfterApplyColors(colors);
				dropDownElement->SetBorderColor(colors.textColor);
				dropDownElement->SetBackgroundColor(colors.textColor);
			}

			Win7DropDownComboBoxStyle::Win7DropDownComboBoxStyle()
				:Win7ButtonStyle(true)
				, commandExecutor(0)
				, textVisible(true)
			{
				table=new GuiTableComposition;
				table->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				table->SetAlignmentToParent(Margin(0, 0, 0, 0));
				table->SetRowsAndColumns(3, 2);
				table->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
				table->SetRowOption(1, GuiCellOption::MinSizeOption());
				table->SetRowOption(2, GuiCellOption::PercentageOption(1.0));
				table->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
				table->SetColumnOption(1, GuiCellOption::MinSizeOption());
				elements.textComposition->AddChild(table);
				elements.textComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);

				textComposition=new GuiCellComposition;
				table->AddChild(textComposition);
				textComposition->SetSite(1, 0, 1, 1);

				Ptr<IGuiGraphicsElement> element=elements.textComposition->GetOwnedElement();
				elements.textComposition->SetOwnedElement(0);
				textComposition->SetOwnedElement(element);
				elements.textElement->SetEllipse(true);
				elements.textElement->SetAlignments(Alignment::Left, Alignment::Center);

				dropDownElement=common_styles::CommonFragmentBuilder::BuildDownArrow();

				dropDownComposition=new GuiCellComposition;
				table->AddChild(dropDownComposition);
				dropDownComposition->SetSite(1, 1, 1, 1);
				dropDownComposition->SetOwnedElement(dropDownElement);
				dropDownComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				dropDownComposition->SetMargin(Margin(3, 0, 3, 0));
			}

			Win7DropDownComboBoxStyle::~Win7DropDownComboBoxStyle()
			{
			}

			compositions::GuiGraphicsComposition* Win7DropDownComboBoxStyle::GetContainerComposition()
			{
				return textComposition;
			}

			GuiMenu::IStyleController* Win7DropDownComboBoxStyle::CreateSubMenuStyleController()
			{
				return new Win7MenuStyle;
			}

			void Win7DropDownComboBoxStyle::SetSubMenuExisting(bool value)
			{
			}

			void Win7DropDownComboBoxStyle::SetSubMenuOpening(bool value)
			{
				SetSelected(value);
			}

			GuiButton* Win7DropDownComboBoxStyle::GetSubMenuHost()
			{
				return 0;
			}

			void Win7DropDownComboBoxStyle::SetImage(Ptr<GuiImageData> value)
			{
			}

			void Win7DropDownComboBoxStyle::SetShortcutText(const WString& value)
			{
			}

			void Win7DropDownComboBoxStyle::SetCommandExecutor(controls::GuiComboBoxBase::ICommandExecutor* value)
			{
				commandExecutor=value;
			}

			void Win7DropDownComboBoxStyle::OnItemSelected()
			{
			}

			void Win7DropDownComboBoxStyle::SetText(const WString& value)
			{
				text = value;
				if (textVisible)
				{
					Win7ButtonStyle::SetText(text);
				}
			}

			void Win7DropDownComboBoxStyle::SetTextVisible(bool value)
			{
				if (textVisible != value)
				{
					if ((textVisible = value))
					{
						Win7ButtonStyle::SetText(text);
					}
					else
					{
						Win7ButtonStyle::SetText(L"");
					}
				}
			}

/***********************************************************************
Win7TextListItemProvider
***********************************************************************/
			
			Win7TextListItemProvider::Win7TextListItemProvider()
			{
			}

			Win7TextListItemProvider::~Win7TextListItemProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win7TextListItemProvider::CreateBulletStyleController()
			{
				return 0;
			}

/***********************************************************************
Win7CheckTextListItemProvider
***********************************************************************/

			Win7CheckTextListItemProvider::Win7CheckTextListItemProvider()
			{
			}

			Win7CheckTextListItemProvider::~Win7CheckTextListItemProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win7CheckTextListItemProvider::CreateBulletStyleController()
			{
				return new Win7CheckBoxStyle(Win7CheckBoxStyle::CheckBox, false);
			}

/***********************************************************************
Win7RadioTextListItemProvider
***********************************************************************/

			Win7RadioTextListItemProvider::Win7RadioTextListItemProvider()
			{
			}

			Win7RadioTextListItemProvider::~Win7RadioTextListItemProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win7RadioTextListItemProvider::CreateBulletStyleController()
			{
				return new Win7CheckBoxStyle(Win7CheckBoxStyle::RadioButton, false);
			}

/***********************************************************************
Win7TextListProvider
***********************************************************************/

			Win7TextListProvider::Win7TextListProvider()
			{
			}

			Win7TextListProvider::~Win7TextListProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win7TextListProvider::CreateItemBackground()
			{
				return new Win7SelectableItemStyle;
			}

			Color Win7TextListProvider::GetTextColor()
			{
				return Win7GetSystemTextColor(true);
			}

/***********************************************************************
Win7ListViewProvider
***********************************************************************/

			Win7ListViewProvider::Win7ListViewProvider()
			{
			}

			Win7ListViewProvider::~Win7ListViewProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win7ListViewProvider::CreateItemBackground()
			{
				return new Win7SelectableItemStyle;
			}

			controls::GuiListViewColumnHeader::IStyleController* Win7ListViewProvider::CreateColumnStyle()
			{
				return new Win7ListViewColumnHeaderStyle;
			}

			Color Win7ListViewProvider::GetPrimaryTextColor()
			{
				return Win7GetSystemTextColor(true);
			}

			Color Win7ListViewProvider::GetSecondaryTextColor()
			{
				return Win7GetSystemTextColor(false);
			}

			Color Win7ListViewProvider::GetItemSeparatorColor()
			{
				return Color(220, 220, 220);
			}

/***********************************************************************
Win7TreeViewProvider
***********************************************************************/

			Win7TreeViewProvider::Win7TreeViewProvider()
			{
			}

			Win7TreeViewProvider::~Win7TreeViewProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win7TreeViewProvider::CreateItemBackground()
			{
				return new Win7SelectableItemStyle;
			}

			controls::GuiSelectableButton::IStyleController* Win7TreeViewProvider::CreateItemExpandingDecorator()
			{
				return new Win7TreeViewExpandingButtonStyle;
			}

			Color Win7TreeViewProvider::GetTextColor()
			{
				return Win7GetSystemTextColor(true);
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN7STYLES\GUIWIN7MENUSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win7
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win7MenuStyle
***********************************************************************/

			Win7MenuStyle::Win7MenuStyle()
			{
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					element->SetColor(Color(151, 151, 151));
					boundsComposition=new GuiBoundsComposition;
					boundsComposition->SetOwnedElement(element);
				}
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Color(245, 245, 245));
					GuiBoundsComposition* subBorder=new GuiBoundsComposition;
					subBorder->SetOwnedElement(element);
					subBorder->SetAlignmentToParent(Margin(1, 1, 1, 1));
					boundsComposition->AddChild(subBorder);
				}
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Win7GetSystemWindowColor());
					containerComposition=new GuiBoundsComposition;
					containerComposition->SetOwnedElement(element);
					containerComposition->SetAlignmentToParent(Margin(3, 3, 3, 3));
					containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					boundsComposition->AddChild(containerComposition);
				}
			}

			Win7MenuStyle::~Win7MenuStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7MenuStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7MenuStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win7MenuStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7MenuStyle::SetText(const WString& value)
			{
			}

			void Win7MenuStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7MenuStyle::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
Win7MenuBarStyle
***********************************************************************/

			Win7MenuBarStyle::Win7MenuBarStyle()
			{
				GuiTableComposition* table=new GuiTableComposition;
				table->SetAlignmentToParent(Margin(0, 0, 0, 1));
				table->SetRowsAndColumns(2, 1);
				table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
				table->SetRowOption(1, GuiCellOption::PercentageOption(0.5));
				table->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
				{
					GuiGradientBackgroundElement* gradient=GuiGradientBackgroundElement::Create();
					gradient->SetDirection(GuiGradientBackgroundElement::Vertical);
					gradient->SetColors(Color(252, 253, 254), Color(229, 234, 245));

					GuiCellComposition* cell=new GuiCellComposition;
					table->AddChild(cell);
					cell->SetSite(0, 0, 1, 1);
					cell->SetOwnedElement(gradient);
				}
				{
					GuiGradientBackgroundElement* gradient=GuiGradientBackgroundElement::Create();
					gradient->SetDirection(GuiGradientBackgroundElement::Vertical);
					gradient->SetColors(Color(212, 219, 237), Color(225, 230, 246));

					GuiCellComposition* cell=new GuiCellComposition;
					table->AddChild(cell);
					cell->SetSite(1, 0, 1, 1);
					cell->SetOwnedElement(gradient);
				}

				boundsComposition=new GuiBoundsComposition;
				{
					GuiSolidBackgroundElement* solid=GuiSolidBackgroundElement::Create();
					solid->SetColor(Color(182, 188, 204));
					boundsComposition->SetOwnedElement(solid);
					boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				}
				boundsComposition->AddChild(table);
			}

			Win7MenuBarStyle::~Win7MenuBarStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7MenuBarStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7MenuBarStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void Win7MenuBarStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7MenuBarStyle::SetText(const WString& value)
			{
			}

			void Win7MenuBarStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7MenuBarStyle::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
Win7MenuBarButtonStyle
***********************************************************************/

			void Win7MenuBarButtonStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool opening)
			{
				Win7ButtonColors targetColor;
				if(!enabled)
				{
					targetColor=Win7ButtonColors::MenuBarButtonDisabled();
					targetColor.SetAlphaWithoutText(0);
				}
				else if(opening)
				{
					targetColor=Win7ButtonColors::MenuBarButtonPressed();
				}
				else
				{
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=Win7ButtonColors::MenuBarButtonNormal();
						targetColor.SetAlphaWithoutText(0);
						break;
					case GuiButton::Active:
						targetColor=Win7ButtonColors::MenuBarButtonActive();
						break;
					case GuiButton::Pressed:
						targetColor=Win7ButtonColors::MenuBarButtonPressed();
						break;
					}
				}
				elements.Apply(targetColor);
			}

			Win7MenuBarButtonStyle::Win7MenuBarButtonStyle()
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isOpening(false)
			{
				Win7ButtonColors initialColor=Win7ButtonColors::MenuBarButtonNormal();
				initialColor.SetAlphaWithoutText(0);

				elements=Win7ButtonElements::Create(true, true, Alignment::Center, Alignment::Center);
				elements.Apply(initialColor);
			}

			Win7MenuBarButtonStyle::~Win7MenuBarButtonStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7MenuBarButtonStyle::GetBoundsComposition()
			{
				return elements.mainComposition;
			}

			compositions::GuiGraphicsComposition* Win7MenuBarButtonStyle::GetContainerComposition()
			{
				return elements.mainComposition;
			}

			void Win7MenuBarButtonStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7MenuBarButtonStyle::SetText(const WString& value)
			{
				elements.textElement->SetText(value);
			}

			void Win7MenuBarButtonStyle::SetFont(const FontProperties& value)
			{
				Win7SetFont(elements.textElement, elements.textComposition, value);
				Margin margin=elements.textComposition->GetMargin();
				margin.left*=3;
				margin.right*=3;
				elements.textComposition->SetMargin(margin);
			}

			void Win7MenuBarButtonStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isOpening);
				}
			}

			void Win7MenuBarButtonStyle::SetSelected(bool value)
			{
			}

			controls::GuiMenu::IStyleController* Win7MenuBarButtonStyle::CreateSubMenuStyleController()
			{
				return new Win7MenuStyle;
			}

			void Win7MenuBarButtonStyle::SetSubMenuExisting(bool value)
			{
			}

			void Win7MenuBarButtonStyle::SetSubMenuOpening(bool value)
			{
				if(isOpening!=value)
				{
					isOpening=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isOpening);
				}
			}

			controls::GuiButton* Win7MenuBarButtonStyle::GetSubMenuHost()
			{
				return 0;
			}

			void Win7MenuBarButtonStyle::SetImage(Ptr<GuiImageData> value)
			{
			}

			void Win7MenuBarButtonStyle::SetShortcutText(const WString& value)
			{
			}

			void Win7MenuBarButtonStyle::Transfer(GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isOpening);
				}
			}

/***********************************************************************
Win7MenuItemButtonStyle
***********************************************************************/

			void Win7MenuItemButtonStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected, bool opening)
			{
				Win7ButtonColors targetColor;
				bool active=false;
				if(enabled)
				{
					if(opening)
					{
						targetColor=Win7ButtonColors::MenuItemButtonNormalActive();
						active=true;
					}
					else
					{
						switch(value)
						{
						case GuiButton::Normal:
							targetColor=selected?Win7ButtonColors::MenuItemButtonSelected():Win7ButtonColors::MenuItemButtonNormal();
							break;
						case GuiButton::Active:
						case GuiButton::Pressed:
							targetColor=selected?Win7ButtonColors::MenuItemButtonSelectedActive():Win7ButtonColors::MenuItemButtonNormalActive();
							active=true;
							break;
						}
					}
				}
				else
				{
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=Win7ButtonColors::MenuItemButtonDisabled();
						break;
					case GuiButton::Active:
					case GuiButton::Pressed:
						targetColor=Win7ButtonColors::MenuItemButtonDisabledActive();
						active=true;
						break;
					}
				}
				elements.Apply(targetColor);
				elements.SetActive(active || selected);
			}

			Win7MenuItemButtonStyle::Win7MenuItemButtonStyle()
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isSelected(false)
				,isOpening(false)
			{
				elements=Win7MenuItemButtonElements::Create();
				elements.Apply(Win7ButtonColors::MenuItemButtonNormal());
			}

			Win7MenuItemButtonStyle::~Win7MenuItemButtonStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7MenuItemButtonStyle::GetBoundsComposition()
			{
				return elements.mainComposition;
			}

			compositions::GuiGraphicsComposition* Win7MenuItemButtonStyle::GetContainerComposition()
			{
				return elements.mainComposition;
			}

			void Win7MenuItemButtonStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7MenuItemButtonStyle::SetText(const WString& value)
			{
				elements.textElement->SetText(value);
			}

			void Win7MenuItemButtonStyle::SetFont(const FontProperties& value)
			{
				Win7SetFont(elements.textElement, elements.textComposition, value);
				Win7SetFont(elements.shortcutElement, elements.shortcutComposition, value);
			}

			void Win7MenuItemButtonStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					elements.imageElement->SetEnabled(value);
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			void Win7MenuItemButtonStyle::SetSelected(bool value)
			{
				if(isSelected!=value)
				{
					isSelected=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			controls::GuiMenu::IStyleController* Win7MenuItemButtonStyle::CreateSubMenuStyleController()
			{
				return new Win7MenuStyle;
			}

			void Win7MenuItemButtonStyle::SetSubMenuExisting(bool value)
			{
				elements.SetSubMenuExisting(value);
			}

			void Win7MenuItemButtonStyle::SetSubMenuOpening(bool value)
			{
				if(isOpening!=value)
				{
					isOpening=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			controls::GuiButton* Win7MenuItemButtonStyle::GetSubMenuHost()
			{
				return 0;
			}

			void Win7MenuItemButtonStyle::SetImage(Ptr<GuiImageData> value)
			{
				if(value)
				{
					elements.imageElement->SetImage(value->GetImage(), value->GetFrameIndex());
				}
				else
				{
					elements.imageElement->SetImage(0, 0);
				}
			}

			void Win7MenuItemButtonStyle::SetShortcutText(const WString& value)
			{
				elements.shortcutElement->SetText(value);
			}

			void Win7MenuItemButtonStyle::Transfer(GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

/***********************************************************************
Win7MenuSplitterStyle
***********************************************************************/

			Win7MenuSplitterStyle::Win7MenuSplitterStyle()
			{
				Color dark=Win7GetSystemBorderSinkColor();
				Color bright=Win7GetSystemBorderRaiseColor();

				GuiTableComposition* table=new GuiTableComposition;
				table->SetAlignmentToParent(Margin(0, 0, 0, 0));
				table->SetRowsAndColumns(1, 3);
				table->SetPreferredMinSize(Size(0, 6));

				table->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
				table->SetColumnOption(0, GuiCellOption::AbsoluteOption(26));
				table->SetColumnOption(1, GuiCellOption::AbsoluteOption(2));
				table->SetColumnOption(2, GuiCellOption::MinSizeOption());

				{
					GuiCellComposition* cell=new GuiCellComposition;
					table->AddChild(cell);
					cell->SetSite(0, 1, 1, 1);

					Gui3DSplitterElement* element=Gui3DSplitterElement::Create();
					element->SetDirection(Gui3DSplitterElement::Vertical);
					element->SetColors(dark, bright);
					cell->SetOwnedElement(element);
				}
				{
					GuiCellComposition* cell=new GuiCellComposition;
					table->AddChild(cell);
					cell->SetSite(0, 2, 1, 1);

					Gui3DSplitterElement* element=Gui3DSplitterElement::Create();
					element->SetDirection(Gui3DSplitterElement::Horizontal);
					element->SetColors(dark, bright);
					cell->SetOwnedElement(element);
				}
				boundsComposition=table;
			}

			Win7MenuSplitterStyle::~Win7MenuSplitterStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7MenuSplitterStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7MenuSplitterStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void Win7MenuSplitterStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7MenuSplitterStyle::SetText(const WString& value)
			{
			}

			void Win7MenuSplitterStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7MenuSplitterStyle::SetVisuallyEnabled(bool value)
			{
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN7STYLES\GUIWIN7SCROLLABLESTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win7
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win7ButtonStyle
***********************************************************************/

			void Win7ScrollArrowButtonStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected)
			{
				Win7ButtonColors targetColor;
				if(enabled)
				{
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=Win7ButtonColors::ButtonNormal();
						targetColor.SetAlphaWithoutText(0);
						break;
					case GuiButton::Active:
						targetColor=Win7ButtonColors::ButtonActive();
						break;
					case GuiButton::Pressed:
						targetColor=Win7ButtonColors::ButtonPressed();
						break;
					}
				}
				else
				{
					targetColor=Win7ButtonColors::ButtonDisabled();
					targetColor.SetAlphaWithoutText(0);
				}
				transferringAnimation->Transfer(targetColor);
			}

			void Win7ScrollArrowButtonStyle::AfterApplyColors(const Win7ButtonColors& colors)
			{
				Win7ButtonStyleBase::AfterApplyColors(colors);
				arrowElement->SetBorderColor(colors.textColor);
				arrowElement->SetBackgroundColor(colors.textColor);
			}

			Win7ScrollArrowButtonStyle::Win7ScrollArrowButtonStyle(common_styles::CommonScrollStyle::Direction direction, bool increaseButton)
				:Win7ButtonStyleBase(direction==common_styles::CommonScrollStyle::Horizontal, true, Win7ButtonColors::ButtonNormal(), Alignment::Center, Alignment::Center)
			{
				switch(direction)
				{
				case common_styles::CommonScrollStyle::Horizontal:
					if(increaseButton)
					{
						GetContainerComposition()->AddChild(common_styles::CommonFragmentBuilder::BuildRightArrow(arrowElement));
					}
					else
					{
						GetContainerComposition()->AddChild(common_styles::CommonFragmentBuilder::BuildLeftArrow(arrowElement));
					}
					break;
				case common_styles::CommonScrollStyle::Vertical:
					if(increaseButton)
					{
						GetContainerComposition()->AddChild(common_styles::CommonFragmentBuilder::BuildDownArrow(arrowElement));
					}
					else
					{
						GetContainerComposition()->AddChild(common_styles::CommonFragmentBuilder::BuildUpArrow(arrowElement));
					}
					break;
				}
			}

			Win7ScrollArrowButtonStyle::~Win7ScrollArrowButtonStyle()
			{
			}

/***********************************************************************
Win7ScrollStyle
***********************************************************************/

			controls::GuiButton::IStyleController* Win7ScrollStyle::CreateDecreaseButtonStyle(Direction direction)
			{
				Win7ScrollArrowButtonStyle* decreaseButtonStyle=new Win7ScrollArrowButtonStyle(direction, false);
				return decreaseButtonStyle;
			}

			controls::GuiButton::IStyleController* Win7ScrollStyle::CreateIncreaseButtonStyle(Direction direction)
			{
				Win7ScrollArrowButtonStyle* increaseButtonStyle=new Win7ScrollArrowButtonStyle(direction, true);
				return increaseButtonStyle;
			}

			controls::GuiButton::IStyleController* Win7ScrollStyle::CreateHandleButtonStyle(Direction direction)
			{
				Win7ButtonStyle* handleButtonStyle=new Win7ButtonStyle(direction==Horizontal);
				handleButtonStyle->SetTransparentWhenDisabled(true);
				return handleButtonStyle;
			}

			compositions::GuiBoundsComposition* Win7ScrollStyle::InstallBackground(compositions::GuiBoundsComposition* boundsComposition, Direction direction)
			{
				Color sinkColor=Win7GetSystemBorderSinkColor();
				GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
				element->SetColor(Win7GetSystemWindowColor());
				boundsComposition->SetOwnedElement(element);

				{
					GuiSideAlignedComposition* composition=new GuiSideAlignedComposition;
					composition->SetMaxLength(DefaultSize);
					composition->SetMaxRatio(0.2);
					boundsComposition->AddChild(composition);

					GuiGradientBackgroundElement* gradient=GuiGradientBackgroundElement::Create();
					gradient->SetColors(sinkColor, Win7GetSystemWindowColor());
					composition->SetOwnedElement(gradient);

					switch(direction)
					{
					case Horizontal:
						composition->SetDirection(GuiSideAlignedComposition::Top);
						gradient->SetDirection(GuiGradientBackgroundElement::Vertical);
						break;
					case Vertical:
						composition->SetDirection(GuiSideAlignedComposition::Left);
						gradient->SetDirection(GuiGradientBackgroundElement::Horizontal);
						break;
					}
				}
				{
					GuiSideAlignedComposition* composition=new GuiSideAlignedComposition;
					composition->SetMaxLength(DefaultSize);
					composition->SetMaxRatio(0.2);
					boundsComposition->AddChild(composition);

					GuiGradientBackgroundElement* gradient=GuiGradientBackgroundElement::Create();
					gradient->SetColors(Win7GetSystemWindowColor(), sinkColor);
					composition->SetOwnedElement(gradient);

					switch(direction)
					{
					case Horizontal:
						composition->SetDirection(GuiSideAlignedComposition::Bottom);
						gradient->SetDirection(GuiGradientBackgroundElement::Vertical);
						break;
					case Vertical:
						composition->SetDirection(GuiSideAlignedComposition::Right);
						gradient->SetDirection(GuiGradientBackgroundElement::Horizontal);
						break;
					}
				}
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					element->SetColor(sinkColor);

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					composition->SetOwnedElement(element);
					boundsComposition->AddChild(composition);
				}

				return boundsComposition;
			}

			Win7ScrollStyle::Win7ScrollStyle(Direction _direction)
				:CommonScrollStyle(_direction)
			{
				BuildStyle(DefaultSize, ArrowSize);
			}

			Win7ScrollStyle::~Win7ScrollStyle()
			{
			}

/***********************************************************************
Win7TrackStyle
***********************************************************************/

			controls::GuiButton::IStyleController* Win7TrackStyle::CreateHandleButtonStyle(Direction direction)
			{
				Win7ButtonStyle* handleButtonStyle=new Win7ButtonStyle(direction==Horizontal);
				return handleButtonStyle;
			}

			void Win7TrackStyle::InstallBackground(compositions::GuiGraphicsComposition* boundsComposition, Direction direction)
			{
				GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
				element->SetColor(Win7GetSystemWindowColor());
				boundsComposition->SetOwnedElement(element);
			}

			void Win7TrackStyle::InstallTrack(compositions::GuiGraphicsComposition* trackComposition, Direction direction)
			{
				Gui3DBorderElement* element=Gui3DBorderElement::Create();
				element->SetColors(Color(176, 176, 176), Color(252, 252, 252));
				trackComposition->SetOwnedElement(element);
			}

			Win7TrackStyle::Win7TrackStyle(Direction _direction)
				:CommonTrackStyle(_direction)
			{
				BuildStyle(TrackThickness, TrackPadding, HandleLong, HandleShort);
			}

			Win7TrackStyle::~Win7TrackStyle()
			{
			}

/***********************************************************************
Win7ProgressBarStyle
***********************************************************************/

			void Win7ProgressBarStyle::UpdateProgressBar()
			{
				vint max=totalSize-pageSize;
				if(position<0)
				{
					progressComposition->SetWidthPageSize(0);
				}
				else if(position>=max)
				{
					progressComposition->SetWidthPageSize(1);
				}
				else
				{
					progressComposition->SetWidthPageSize((double)position/max);
				}
			}

			void Win7ProgressBarStyle::FillProgressColors(compositions::GuiGraphicsComposition* parent, Color g1, Color g2, Color g3, Color g4, Color g5)
			{
				{
					GuiGradientBackgroundElement* element=GuiGradientBackgroundElement::Create();
					element->SetDirection(GuiGradientBackgroundElement::Vertical);
					element->SetColors(g1, g2);

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetAlignmentToParent(Margin(0, 0, 0, -1));
					composition->SetPreferredMinSize(Size(0, 6));
					composition->SetOwnedElement(element);
					parent->AddChild(composition);
				}
				{
					GuiGradientBackgroundElement* element=GuiGradientBackgroundElement::Create();
					element->SetDirection(GuiGradientBackgroundElement::Vertical);
					element->SetColors(g3, g4);

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetAlignmentToParent(Margin(0, 6, 0, 6));
					composition->SetOwnedElement(element);
					parent->AddChild(composition);
				}
				{
					GuiGradientBackgroundElement* element=GuiGradientBackgroundElement::Create();
					element->SetDirection(GuiGradientBackgroundElement::Vertical);
					element->SetColors(g4, g5);

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetAlignmentToParent(Margin(0, -1, 0, 0));
					composition->SetPreferredMinSize(Size(0, 6));
					composition->SetOwnedElement(element);
					parent->AddChild(composition);
				}
			}

			Win7ProgressBarStyle::Win7ProgressBarStyle()
				:totalSize(1)
				,pageSize(0)
				,position(0)
			{
				{
					boundsComposition=new GuiBoundsComposition;
				}
				{
					containerComposition=new GuiBoundsComposition;
					containerComposition->SetAlignmentToParent(Margin(1, 1, 1, 1));
					boundsComposition->AddChild(containerComposition);
					FillProgressColors(containerComposition, Color(239, 239, 239), Color(218, 218, 218), Color(201, 201, 201), Color(203, 203, 203), Color(213, 213, 213));
				}
				{
					GuiRoundBorderElement* element=GuiRoundBorderElement::Create();
					element->SetColor(Color(178, 178, 178));
					element->SetRadius(2);

					GuiBoundsComposition* borderComposition=new GuiBoundsComposition;
					borderComposition->SetOwnedElement(element);
					borderComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					boundsComposition->AddChild(borderComposition);
				}
				{
					progressComposition=new GuiPartialViewComposition;
					progressComposition->SetWidthRatio(0);
					progressComposition->SetWidthPageSize(0);
					progressComposition->SetHeightRatio(0);
					progressComposition->SetHeightPageSize(1);
					containerComposition->AddChild(progressComposition);
					FillProgressColors(progressComposition, Color(205, 255, 205), Color(156, 238, 172), Color(0, 211, 40), Color(0, 213, 47), Color(74, 232, 93));
				}
			}

			Win7ProgressBarStyle::~Win7ProgressBarStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7ProgressBarStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7ProgressBarStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win7ProgressBarStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7ProgressBarStyle::SetText(const WString& value)
			{
			}

			void Win7ProgressBarStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7ProgressBarStyle::SetVisuallyEnabled(bool value)
			{
			}

			void Win7ProgressBarStyle::SetCommandExecutor(controls::GuiScroll::ICommandExecutor* value)
			{
			}

			void Win7ProgressBarStyle::SetTotalSize(vint value)
			{
				totalSize=value;
				UpdateProgressBar();
			}

			void Win7ProgressBarStyle::SetPageSize(vint value)
			{
				pageSize=value;
				UpdateProgressBar();
			}

			void Win7ProgressBarStyle::SetPosition(vint value)
			{
				position=value;
				UpdateProgressBar();
			}

/***********************************************************************
Win7ScrollViewProvider
***********************************************************************/

			Win7ScrollViewProvider::Win7ScrollViewProvider()
			{
			}

			Win7ScrollViewProvider::~Win7ScrollViewProvider()
			{
			}

			void Win7ScrollViewProvider::AssociateStyleController(controls::GuiControl::IStyleController* controller)
			{
			}
			
			void Win7ScrollViewProvider::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7ScrollViewProvider::SetText(const WString& value)
			{
			}

			void Win7ScrollViewProvider::SetFont(const FontProperties& value)
			{
			}

			void Win7ScrollViewProvider::SetVisuallyEnabled(bool value)
			{
			}

			controls::GuiScroll::IStyleController* Win7ScrollViewProvider::CreateHorizontalScrollStyle()
			{
				return new Win7ScrollStyle(Win7ScrollStyle::Horizontal);
			}

			controls::GuiScroll::IStyleController* Win7ScrollViewProvider::CreateVerticalScrollStyle()
			{
				return new Win7ScrollStyle(Win7ScrollStyle::Vertical);
			}

			vint Win7ScrollViewProvider::GetDefaultScrollSize()
			{
				return Win7ScrollStyle::DefaultSize;
			}

			compositions::GuiGraphicsComposition* Win7ScrollViewProvider::InstallBackground(compositions::GuiBoundsComposition* boundsComposition)
			{
				GuiSolidBorderElement* border=GuiSolidBorderElement::Create();
				border->SetColor(Win7GetSystemBorderColor());
				boundsComposition->SetOwnedElement(border);
				boundsComposition->SetInternalMargin(Margin(1, 1, 1, 1));
				
				GuiSolidBackgroundElement* background=GuiSolidBackgroundElement::Create();
				background->SetColor(Win7GetSystemWindowColor());

				GuiBoundsComposition* backgroundComposition=new GuiBoundsComposition;
				boundsComposition->AddChild(backgroundComposition);
				backgroundComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				backgroundComposition->SetOwnedElement(background);

				return boundsComposition;
			}

/***********************************************************************
Win7TextBoxBackground
***********************************************************************/

#define HOST_GETTER_BY_FOCUSABLE_COMPOSITION(STYLE) (style->focusableComposition->GetRelatedGraphicsHost())

			IMPLEMENT_TRANSFERRING_ANIMATION_BASE(Win7TextBoxColors, Win7TextBoxBackground, HOST_GETTER_BY_FOCUSABLE_COMPOSITION)
			{
				colorCurrent=Win7TextBoxColors::Blend(colorBegin, colorEnd, currentPosition, totalLength);
				style->Apply(colorCurrent);
			}

			void Win7TextBoxBackground::UpdateStyle()
			{
				if(!isVisuallyEnabled)
				{
					transferringAnimation->Transfer(Win7TextBoxColors::Disabled());
				}
				else if(isFocused)
				{
					transferringAnimation->Transfer(Win7TextBoxColors::Focused());
				}
				else if(isMouseEnter)
				{
					transferringAnimation->Transfer(Win7TextBoxColors::Active());
				}
				else
				{
					transferringAnimation->Transfer(Win7TextBoxColors::Normal());
				}
			}

			void Win7TextBoxBackground::Apply(const Win7TextBoxColors& colors)
			{
				borderElement->SetColor(colors.borderColor);
				backgroundElement->SetColor(colors.backgroundColor);
			}

			void Win7TextBoxBackground::OnBoundsMouseEnter(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				isMouseEnter=true;
				UpdateStyle();
			}

			void Win7TextBoxBackground::OnBoundsMouseLeave(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				isMouseEnter=false;
				UpdateStyle();
			}

			void Win7TextBoxBackground::OnBoundsGotFocus(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				isFocused=true;
				UpdateStyle();
			}

			void Win7TextBoxBackground::OnBoundsLostFocus(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				isFocused=false;
				UpdateStyle();
			}

			Win7TextBoxBackground::Win7TextBoxBackground()
				:backgroundElement(0)
				,borderElement(0)
				,focusableComposition(0)
				,isMouseEnter(false)
				,isFocused(false)
				,isVisuallyEnabled(false)
				,styleController(0)
				,textElement(0)
			{
				transferringAnimation=new TransferringAnimation(this, Win7TextBoxColors::Normal());
			}

			Win7TextBoxBackground::~Win7TextBoxBackground()
			{
				transferringAnimation->Disable();
			}

			void Win7TextBoxBackground::AssociateStyleController(controls::GuiControl::IStyleController* controller)
			{
				styleController=controller;
			}
			
			void Win7TextBoxBackground::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				focusableComposition=value;
				focusableComposition->GetEventReceiver()->mouseEnter.AttachMethod(this, &Win7TextBoxBackground::OnBoundsMouseEnter);
				focusableComposition->GetEventReceiver()->mouseLeave.AttachMethod(this, &Win7TextBoxBackground::OnBoundsMouseLeave);
				focusableComposition->GetEventReceiver()->gotFocus.AttachMethod(this, &Win7TextBoxBackground::OnBoundsGotFocus);
				focusableComposition->GetEventReceiver()->lostFocus.AttachMethod(this, &Win7TextBoxBackground::OnBoundsLostFocus);
			}

			void Win7TextBoxBackground::SetVisuallyEnabled(bool value)
			{
				isVisuallyEnabled=value;
				UpdateStyle();
			}

			compositions::GuiGraphicsComposition* Win7TextBoxBackground::InstallBackground(compositions::GuiBoundsComposition* boundsComposition)
			{
				{
					GuiSolidBackgroundElement* background=GuiSolidBackgroundElement::Create();
					background->SetColor(Color(255, 255, 255));

					GuiBoundsComposition* backgroundComposition=new GuiBoundsComposition;
					boundsComposition->AddChild(backgroundComposition);
					backgroundComposition->SetAlignmentToParent(Margin(1, 1, 1, 1));
					backgroundComposition->SetOwnedElement(background);
					backgroundElement=background;
				}
				{
					GuiRoundBorderElement* border=GuiRoundBorderElement::Create();
					border->SetColor(Win7GetSystemBorderColor());
					border->SetRadius(2);
					borderElement=border;

					GuiBoundsComposition* borderComposition=new GuiBoundsComposition;
					boundsComposition->AddChild(borderComposition);
					borderComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					borderComposition->SetOwnedElement(border);
				}
				Apply(Win7TextBoxColors::Normal());
				{
					GuiBoundsComposition* containerComposition=new GuiBoundsComposition;
					boundsComposition->AddChild(containerComposition);
					containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					containerComposition->SetAlignmentToParent(Margin(2, 2, 2, 2));
					return containerComposition;
				}
			}

			void Win7TextBoxBackground::InitializeTextElement(elements::GuiColorizedTextElement* _textElement)
			{
				textElement=_textElement;

				Array<text::ColorEntry> colors;
				colors.Resize(1);
				{
					colors[0]=Win7GetTextBoxTextColor();
				}
				textElement->SetColors(colors);
				textElement->SetCaretColor(Color(0, 0, 0));
			}

/***********************************************************************
Win7MultilineTextBoxProvider
***********************************************************************/

			Win7MultilineTextBoxProvider::Win7MultilineTextBoxProvider()
				:styleController(0)
			{
			}

			Win7MultilineTextBoxProvider::~Win7MultilineTextBoxProvider()
			{
			}

			void Win7MultilineTextBoxProvider::AssociateStyleController(controls::GuiControl::IStyleController* controller)
			{
				styleController=controller;
				background.AssociateStyleController(controller);
			}
			
			void Win7MultilineTextBoxProvider::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				background.SetFocusableComposition(value);
				GuiMultilineTextBox::StyleController* textBoxController=dynamic_cast<GuiMultilineTextBox::StyleController*>(styleController);
				if(textBoxController)
				{
					background.InitializeTextElement(textBoxController->GetTextElement());
				}
			}

			void Win7MultilineTextBoxProvider::SetVisuallyEnabled(bool value)
			{
				background.SetVisuallyEnabled(value);
			}

			compositions::GuiGraphicsComposition* Win7MultilineTextBoxProvider::InstallBackground(compositions::GuiBoundsComposition* boundsComposition)
			{
				return background.InstallBackground(boundsComposition);
			}

/***********************************************************************
Win7SinglelineTextBoxProvider
***********************************************************************/

			Win7SinglelineTextBoxProvider::Win7SinglelineTextBoxProvider()
				:styleController(0)
			{
			}

			Win7SinglelineTextBoxProvider::~Win7SinglelineTextBoxProvider()
			{
			}

			void Win7SinglelineTextBoxProvider::AssociateStyleController(controls::GuiControl::IStyleController* controller)
			{
				styleController=controller;
				background.AssociateStyleController(controller);
			}
			
			void Win7SinglelineTextBoxProvider::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				background.SetFocusableComposition(value);
				GuiSinglelineTextBox::StyleController* textBoxController=dynamic_cast<GuiSinglelineTextBox::StyleController*>(styleController);
				background.InitializeTextElement(textBoxController->GetTextElement());
			}

			void Win7SinglelineTextBoxProvider::SetText(const WString& value)
			{
			}

			void Win7SinglelineTextBoxProvider::SetFont(const FontProperties& value)
			{
			}

			void Win7SinglelineTextBoxProvider::SetVisuallyEnabled(bool value)
			{
				background.SetVisuallyEnabled(value);
			}

			compositions::GuiGraphicsComposition* Win7SinglelineTextBoxProvider::InstallBackground(compositions::GuiBoundsComposition* boundsComposition)
			{
				return background.InstallBackground(boundsComposition);
			}

/***********************************************************************
Win7DocumentViewerStyle
***********************************************************************/

			Win7DocumentViewerStyle::Win7DocumentViewerStyle()
			{
			}

			Win7DocumentViewerStyle::~Win7DocumentViewerStyle()
			{
			}

			Ptr<DocumentModel> Win7DocumentViewerStyle::GetBaselineDocument()
			{
				return nullptr;
			}

/***********************************************************************
Win7DocumentlabelStyle
***********************************************************************/

			Win7DocumentLabelStyle::Win7DocumentLabelStyle()
			{
			}

			Win7DocumentLabelStyle::~Win7DocumentLabelStyle()
			{
			}

			Ptr<DocumentModel> Win7DocumentLabelStyle::GetBaselineDocument()
			{
				return nullptr;
			}

/***********************************************************************
Win7DocumentTextBoxStyle
***********************************************************************/

			Win7DocumentTextBoxStyle::Win7DocumentTextBoxStyle()
			{
				boundsComposition = new GuiBoundsComposition;
				boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				containerComposition = background.InstallBackground(boundsComposition);
				background.AssociateStyleController(this);
			}

			Win7DocumentTextBoxStyle::~Win7DocumentTextBoxStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7DocumentTextBoxStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7DocumentTextBoxStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win7DocumentTextBoxStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				background.SetFocusableComposition(value);
			}

			void Win7DocumentTextBoxStyle::SetText(const WString& value)
			{
			}

			void Win7DocumentTextBoxStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7DocumentTextBoxStyle::SetVisuallyEnabled(bool value)
			{
				background.SetVisuallyEnabled(value);
			}

			Ptr<DocumentModel> Win7DocumentTextBoxStyle::GetBaselineDocument()
			{
				return nullptr;
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN7STYLES\GUIWIN7STYLESCOMMON.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win7
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win7ButtonColors
***********************************************************************/

			void Win7ButtonColors::SetAlphaWithoutText(unsigned char a)
			{
				borderColor.a=a;
				backgroundColor.a=a;
				g1.a=a;
				g2.a=a;
				g3.a=a;
				g4.a=a;
			}

			Win7ButtonColors Win7ButtonColors::Blend(const Win7ButtonColors& c1, const Win7ButtonColors& c2, vint ratio, vint total)
			{
				if(ratio<0) ratio=0;
				else if(ratio>total) ratio=total;

				Win7ButtonColors result;
				result.borderColor=BlendColor(c1.borderColor, c2.borderColor, ratio, total);
				result.backgroundColor=BlendColor(c1.backgroundColor, c2.backgroundColor, ratio, total);
				result.g1=BlendColor(c1.g1, c2.g1, ratio, total);
				result.g2=BlendColor(c1.g2, c2.g2, ratio, total);
				result.g3=BlendColor(c1.g3, c2.g3, ratio, total);
				result.g4=BlendColor(c1.g4, c2.g4, ratio, total);
				result.textColor=BlendColor(c1.textColor, c2.textColor, ratio, total);
				result.bulletLight=BlendColor(c1.bulletLight, c2.bulletLight, ratio, total);
				result.bulletDark=BlendColor(c1.bulletDark, c2.bulletDark, ratio, total);
				return result;
			}

			//---------------------------------------------------------

			Win7ButtonColors Win7ButtonColors::ButtonNormal()
			{
				Win7ButtonColors colors=
				{
					Color(122, 122, 122),
					Color(251, 251, 251),
					Color(250, 250, 250),
					Color(235, 235, 235),
					Color(221, 221, 221),
					Color(207, 207, 207),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::ButtonActive()
			{
				Win7ButtonColors colors=
				{
					Color(60, 127, 177),
					Color(220, 244, 254),
					Color(246, 252, 255),
					Color(240, 250, 255),
					Color(225, 245, 254),
					Color(215, 245, 254),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::ButtonPressed()
			{
				Win7ButtonColors colors=
				{
					Color(44, 98, 139),
					Color(158, 176, 186),
					Color(225, 246, 255),
					Color(204, 239, 254),
					Color(181, 231, 253),
					Color(164, 225, 251),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::ButtonDisabled()
			{
				Win7ButtonColors colors=
				{
					Color(173, 178, 181),
					Color(252, 252, 252),
					Color(244, 244, 244),
					Color(244, 244, 244),
					Color(244, 244, 244),
					Color(244, 244, 244),
					Win7GetSystemTextColor(false),
				};
				return colors;
			}

			//---------------------------------------------------------

			Win7ButtonColors Win7ButtonColors::ItemNormal()
			{
				Win7ButtonColors colors=
				{
					Color(184, 214, 251, 0),
					Color(252, 253, 254, 0),
					Color(250, 251, 253, 0),
					Color(242, 247, 253, 0),
					Color(242, 247, 253, 0),
					Color(235, 243, 253, 0),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::ItemActive()
			{
				Win7ButtonColors colors=
				{
					Color(184, 214, 251),
					Color(252, 253, 254),
					Color(250, 251, 253),
					Color(242, 247, 253),
					Color(242, 247, 253),
					Color(235, 243, 253),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::ItemSelected()
			{
				Win7ButtonColors colors=
				{
					Color(118, 158, 206),
					Color(235, 244, 253),
					Color(220, 235, 252),
					Color(208, 227, 252),
					Color(208, 227, 252),
					Color(193, 219, 252),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::ItemDisabled()
			{
				Win7ButtonColors colors=
				{
					Color(184, 214, 251, 0),
					Color(252, 253, 254, 0),
					Color(250, 251, 253, 0),
					Color(242, 247, 253, 0),
					Color(242, 247, 253, 0),
					Color(235, 243, 253, 0),
					Win7GetSystemTextColor(false),
				};
				return colors;
			}

			//---------------------------------------------------------

			Win7ButtonColors Win7ButtonColors::CheckedNormal(bool selected)
			{
				Win7ButtonColors colors=
				{
					Color(142, 143, 143),
					Color(244, 244, 244),
					Color(174, 179, 185),
					Color(233, 233, 234),
					Color(203, 207, 213),
					Color(235, 235, 236),
					Win7GetSystemTextColor(true),
					Color(76, 97, 152),
					Color(76, 97, 152),
				};
				if(!selected)
				{
					colors.bulletLight.a=0;
					colors.bulletDark.a=0;
				}
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::CheckedActive(bool selected)
			{
				Win7ButtonColors colors=
				{
					Color(85, 134, 163),
					Color(222, 249, 250),
					Color(121, 198, 249),
					Color(207, 236, 253),
					Color(177, 233, 253),
					Color(231, 247, 254),
					Win7GetSystemTextColor(true),
					Color(4, 34, 113),
					Color(4, 34, 113),
				};
				if(!selected)
				{
					colors.bulletLight.a=0;
					colors.bulletDark.a=0;
				}
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::CheckedPressed(bool selected)
			{
				Win7ButtonColors colors=
				{
					Color(44, 98, 139),
					Color(194, 228, 254),
					Color(94, 182, 247),
					Color(193, 230, 252),
					Color(157, 213, 252),
					Color(224, 244, 254),
					Win7GetSystemTextColor(true),
					Color(63, 93, 153),
					Color(63, 93, 153),
				};
				if(!selected)
				{
					colors.bulletLight.a=0;
					colors.bulletDark.a=0;
				}
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::CheckedDisabled(bool selected)
			{
				Win7ButtonColors colors=
				{
					Color(177, 177, 177),
					Color(240, 240, 240),
					Color(240, 240, 240),
					Color(240, 240, 240),
					Color(240, 240, 240),
					Color(240, 240, 240),
					Win7GetSystemTextColor(false),
					Color(177, 177, 177),
					Color(177, 177, 177),
				};
				if(!selected)
				{
					colors.bulletLight.a=0;
					colors.bulletDark.a=0;
				}
				return colors;
			}

			//---------------------------------------------------------

			Win7ButtonColors Win7ButtonColors::ToolstripButtonNormal()
			{
				Win7ButtonColors colors=
				{
					Win7GetSystemWindowColor(),
					Win7GetSystemWindowColor(),
					Win7GetSystemWindowColor(),
					Win7GetSystemWindowColor(),
					Win7GetSystemWindowColor(),
					Win7GetSystemWindowColor(),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::ToolstripButtonActive()
			{
				Win7ButtonColors colors=
				{
					Color(168, 168, 168),
					Color(248, 248, 248),
					Color(250, 250, 250),
					Color(232, 232, 232),
					Color(218, 218, 218),
					Color(240, 240, 240),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::ToolstripButtonPressed()
			{
				Win7ButtonColors colors=
				{
					Color(84, 84, 84),
					Color(156, 156, 156),
					Color(240, 240, 240),
					Color(228, 228, 228),
					Color(222, 222, 222),
					Color(230, 230, 230),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::ToolstripButtonSelected()
			{
				Win7ButtonColors colors=
				{
					Color(84, 84, 84),
					Color(250, 250, 250),
					Color(250, 250, 250),
					Color(250, 250, 250),
					Color(250, 250, 250),
					Color(250, 250, 250),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::ToolstripButtonDisabled()
			{
				Win7ButtonColors colors=
				{
					Win7GetSystemWindowColor(),
					Win7GetSystemWindowColor(),
					Win7GetSystemWindowColor(),
					Win7GetSystemWindowColor(),
					Win7GetSystemWindowColor(),
					Win7GetSystemWindowColor(),
					Win7GetSystemTextColor(false),
				};
				return colors;
			}

			//---------------------------------------------------------

			Win7ButtonColors Win7ButtonColors::MenuBarButtonNormal()
			{
				Win7ButtonColors colors=
				{
					Color(176, 176, 176),
					Color(234, 238, 247),
					Color(246, 248, 250),
					Color(211, 217, 231),
					Color(199, 204, 218),
					Color(224, 228, 243),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::MenuBarButtonActive()
			{
				Win7ButtonColors colors=
				{
					Color(176, 176, 176),
					Color(234, 238, 247),
					Color(246, 248, 250),
					Color(211, 217, 231),
					Color(199, 204, 218),
					Color(224, 228, 243),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::MenuBarButtonPressed()
			{
				Win7ButtonColors colors=
				{
					Color(88, 88, 89),
					Color(159, 160, 162),
					Color(200, 202, 208),
					Color(205, 209, 219),
					Color(197, 204, 221),
					Color(213, 218, 233),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::MenuBarButtonDisabled()
			{
				Win7ButtonColors colors=
				{
					Color(176, 176, 176),
					Color(234, 238, 247),
					Color(246, 248, 250),
					Color(211, 217, 231),
					Color(199, 204, 218),
					Color(224, 228, 243),
					Win7GetSystemTextColor(false),
				};
				return colors;
			}

			//---------------------------------------------------------

			Win7ButtonColors Win7ButtonColors::MenuItemButtonNormal()
			{
				Win7ButtonColors colors=
				{
					Color(0, 0, 0, 0),
					Color(0, 0, 0, 0),
					Color(0, 0, 0, 0),
					Color(0, 0, 0, 0),
					Color(227, 227, 227),
					Color(255, 255, 255),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::MenuItemButtonNormalActive()
			{
				Win7ButtonColors colors=
				{
					Color(175, 208, 247),
					Color(248, 248, 250),
					Color(243, 245, 247),
					Color(231, 238, 247),
					Color(229, 233, 238),
					Color(245, 249, 255),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::MenuItemButtonSelected()
			{
				Win7ButtonColors colors=
				{
					Color(175, 208, 247),
					Color(248, 248, 250),
					Color(0, 0, 0, 0),
					Color(0, 0, 0, 0),
					Color(0, 0, 0, 0),
					Color(0, 0, 0, 0),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::MenuItemButtonSelectedActive()
			{
				Win7ButtonColors colors=
				{
					Color(175, 208, 247),
					Color(248, 248, 250),
					Color(243, 245, 247),
					Color(231, 238, 247),
					Color(0, 0, 0, 0),
					Color(0, 0, 0, 0),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::MenuItemButtonDisabled()
			{
				Win7ButtonColors colors=
				{
					Color(0, 0, 0, 0),
					Color(0, 0, 0, 0),
					Color(0, 0, 0, 0),
					Color(0, 0, 0, 0),
					Color(227, 227, 227),
					Color(255, 255, 255),
					Win7GetSystemTextColor(false),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::MenuItemButtonDisabledActive()
			{
				Win7ButtonColors colors=
				{
					Color(212, 212, 212),
					Color(244, 244, 244),
					Color(243, 243, 243),
					Color(229, 229, 229),
					Color(232, 232, 232),
					Color(239, 239, 239),
					Win7GetSystemTextColor(false),
				};
				return colors;
			}

			//---------------------------------------------------------

			Win7ButtonColors Win7ButtonColors::TabPageHeaderNormal()
			{
				Win7ButtonColors colors=
				{
					Color(137, 140, 149),
					Color(243, 243, 243),
					Color(242, 242, 242),
					Color(235, 235, 235),
					Color(219, 219, 219),
					Color(207, 207, 207),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::TabPageHeaderActive()
			{
				Win7ButtonColors colors=
				{
					Color(60, 127, 177),
					Color(233, 245, 252),
					Color(234, 246, 253),
					Color(217, 240, 252),
					Color(188, 229, 252),
					Color(167, 217, 245),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

			Win7ButtonColors Win7ButtonColors::TabPageHeaderSelected()
			{
				Win7ButtonColors colors=
				{
					Color(137, 140, 149),
					Win7GetSystemTabContentColor(),
					Win7GetSystemTabContentColor(),
					Win7GetSystemTabContentColor(),
					Win7GetSystemTabContentColor(),
					Win7GetSystemTabContentColor(),
					Win7GetSystemTextColor(true),
				};
				return colors;
			}

/***********************************************************************
Win7ButtonElements
***********************************************************************/

			Win7ButtonElements Win7ButtonElements::Create(bool verticalGradient, bool roundBorder, Alignment horizontal, Alignment vertical)
			{
				Win7ButtonElements button;
				button.rectBorderElement=0;
				button.roundBorderElement=0;
				{
					button.mainComposition=new GuiBoundsComposition;
					button.mainComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				}
				if(roundBorder)
				{
					{
						GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
						button.backgroundElement=element;

						GuiBoundsComposition* composition=new GuiBoundsComposition;
						button.backgroundComposition=composition;
						button.mainComposition->AddChild(composition);
						composition->SetAlignmentToParent(Margin(1, 1, 1, 1));
						composition->SetOwnedElement(element);
					}
					{
						GuiRoundBorderElement* element=GuiRoundBorderElement::Create();
						button.roundBorderElement=element;
						element->SetRadius(2);

						GuiBoundsComposition* composition=new GuiBoundsComposition;
						button.mainComposition->AddChild(composition);
						composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
						composition->SetOwnedElement(element);
					}
				}
				else
				{
					{
						GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
						button.rectBorderElement=element;

						GuiBoundsComposition* composition=new GuiBoundsComposition;
						button.mainComposition->AddChild(composition);
						composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
						composition->SetOwnedElement(element);
					}
					{
						GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
						button.backgroundElement=element;

						GuiBoundsComposition* composition=new GuiBoundsComposition;
						button.backgroundComposition=composition;
						button.mainComposition->AddChild(composition);
						composition->SetAlignmentToParent(Margin(1, 1, 1, 1));
						composition->SetOwnedElement(element);
					}
				}
				{
					GuiTableComposition* table=new GuiTableComposition;
					button.gradientComposition=table;
					table->SetAlignmentToParent(Margin(2, 2, 2, 2));
					button.mainComposition->AddChild(table);
					if(verticalGradient)
					{
						table->SetRowsAndColumns(2, 1);
						table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
						table->SetRowOption(1, GuiCellOption::PercentageOption(0.5));
						table->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
					}
					else
					{
						table->SetRowsAndColumns(1, 2);
						table->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
						table->SetColumnOption(0, GuiCellOption::PercentageOption(0.5));
						table->SetColumnOption(1, GuiCellOption::PercentageOption(0.5));
					}
					{
						GuiGradientBackgroundElement* element=GuiGradientBackgroundElement::Create();
						button.topGradientElement=element;
						element->SetDirection(verticalGradient?GuiGradientBackgroundElement::Vertical:GuiGradientBackgroundElement::Horizontal);

						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 0, 1, 1);
						cell->SetOwnedElement(element);
					}
					{
						GuiGradientBackgroundElement* element=GuiGradientBackgroundElement::Create();
						button.bottomGradientElement=element;
						element->SetDirection(verticalGradient?GuiGradientBackgroundElement::Vertical:GuiGradientBackgroundElement::Horizontal);

						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						if(verticalGradient)
						{
							cell->SetSite(1, 0, 1, 1);
						}
						else
						{
							cell->SetSite(0, 1, 1, 1);
						}
						cell->SetOwnedElement(element);
					}
				}
				{
					Win7CreateSolidLabelElement(button.textElement, button.textComposition, horizontal, vertical);
					button.mainComposition->AddChild(button.textComposition);
				}
				return button;
			}

			void Win7ButtonElements::Apply(const Win7ButtonColors& colors)
			{
				if(rectBorderElement)
				{
					rectBorderElement->SetColor(colors.borderColor);
				}
				if(roundBorderElement)
				{
					roundBorderElement->SetColor(colors.borderColor);
				}
				backgroundElement->SetColor(colors.backgroundColor);
				topGradientElement->SetColors(colors.g1, colors.g2);
				bottomGradientElement->SetColors(colors.g3, colors.g4);
				textElement->SetColor(colors.textColor);
			}

/***********************************************************************
Win7CheckedButtonElements
***********************************************************************/

			Win7CheckedButtonElements Win7CheckedButtonElements::Create(elements::ElementShape shape, bool backgroundVisible)
			{
				const vint checkSize=13;
				const vint checkPadding=2;

				Win7CheckedButtonElements button;
				{
					button.mainComposition=new GuiBoundsComposition;
					button.mainComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				}
				{
					GuiTableComposition* mainTable=new GuiTableComposition;
					button.mainComposition->AddChild(mainTable);
					if(backgroundVisible)
					{
						GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
						element->SetColor(Win7GetSystemWindowColor());
						mainTable->SetOwnedElement(element);
					}
					mainTable->SetRowsAndColumns(1, 2);
					mainTable->SetAlignmentToParent(Margin(0, 0, 0, 0));
					mainTable->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
					mainTable->SetColumnOption(0, GuiCellOption::AbsoluteOption(checkSize+2*checkPadding));
					mainTable->SetColumnOption(1, GuiCellOption::PercentageOption(1.0));
					
					{
						GuiCellComposition* cell=new GuiCellComposition;
						mainTable->AddChild(cell);
						cell->SetSite(0, 0, 1, 1);

						GuiTableComposition* table=new GuiTableComposition;
						cell->AddChild(table);
						table->SetRowsAndColumns(3, 1);
						table->SetAlignmentToParent(Margin(0, 0, 0, 0));
						table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
						table->SetRowOption(1, GuiCellOption::MinSizeOption());
						table->SetRowOption(2, GuiCellOption::PercentageOption(0.5));

						{
							GuiCellComposition* checkCell=new GuiCellComposition;
							table->AddChild(checkCell);
							checkCell->SetSite(1, 0, 1, 1);
							{
								GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
								button.backgroundElement=element;
								element->SetShape(shape);

								GuiBoundsComposition* borderBounds=new GuiBoundsComposition;
								checkCell->AddChild(borderBounds);
								borderBounds->SetOwnedElement(element);
								borderBounds->SetAlignmentToParent(Margin(checkPadding, -1, checkPadding, -1));
								borderBounds->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
								{
									GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
									button.borderElement=element;
									element->SetShape(shape);

									GuiBoundsComposition* bounds=new GuiBoundsComposition;
									borderBounds->AddChild(bounds);
									bounds->SetOwnedElement(element);
									bounds->SetAlignmentToParent(Margin(0, 0, 0, 0));
									bounds->SetBounds(Rect(Point(0, 0), Size(checkSize, checkSize)));
								}
								{
									GuiGradientBackgroundElement* element=GuiGradientBackgroundElement::Create();
									button.outerGradientElement=element;
									element->SetShape(shape);
									element->SetDirection(GuiGradientBackgroundElement::Backslash);

									GuiBoundsComposition* bounds=new GuiBoundsComposition;
									borderBounds->AddChild(bounds);
									bounds->SetOwnedElement(element);
									bounds->SetAlignmentToParent(Margin(2, 2, 2, 2));
								}
								{
									GuiGradientBackgroundElement* element=GuiGradientBackgroundElement::Create();
									button.innerGradientElement=element;
									element->SetDirection(GuiGradientBackgroundElement::Backslash);
									element->SetShape(shape);

									GuiBoundsComposition* bounds=new GuiBoundsComposition;
									borderBounds->AddChild(bounds);
									bounds->SetOwnedElement(element);
									bounds->SetAlignmentToParent(Margin(3, 3, 3, 3));
								}
							}

							button.bulletCheckElement=0;
							button.bulletRadioElement=0;
							if(shape==ElementShape::Rectangle)
							{
								button.bulletCheckElement=GuiSolidLabelElement::Create();
								{
									FontProperties font;
									font.fontFamily=L"Webdings";
									font.size=16;
									font.bold=true;
									button.bulletCheckElement->SetFont(font);
								}
								button.bulletCheckElement->SetText(L"a");
								button.bulletCheckElement->SetAlignments(Alignment::Center, Alignment::Center);

								GuiBoundsComposition* composition=new GuiBoundsComposition;
								composition->SetOwnedElement(button.bulletCheckElement);
								composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
								checkCell->AddChild(composition);
							}
							else
							{
								button.bulletRadioElement=GuiSolidBackgroundElement::Create();
								button.bulletRadioElement->SetShape(ElementShape::Ellipse);

								GuiBoundsComposition* composition=new GuiBoundsComposition;
								composition->SetOwnedElement(button.bulletRadioElement);
								composition->SetAlignmentToParent(Margin(checkPadding+3, 3, checkPadding+3, 3));
								checkCell->AddChild(composition);
							}
						}
					}

					{
						GuiCellComposition* textCell=new GuiCellComposition;
						mainTable->AddChild(textCell);
						textCell->SetSite(0, 1, 1, 1);
						{
							Win7CreateSolidLabelElement(button.textElement, button.textComposition, Alignment::Left, Alignment::Center);
							textCell->AddChild(button.textComposition);
						}
					}
				}
				return button;
			}

			void Win7CheckedButtonElements::Apply(const Win7ButtonColors& colors)
			{
				borderElement->SetColor(colors.borderColor);
				backgroundElement->SetColor(colors.backgroundColor);
				outerGradientElement->SetColors(colors.g1, colors.g2);
				innerGradientElement->SetColors(colors.g3, colors.g4);
				textElement->SetColor(colors.textColor);
				if(bulletCheckElement)
				{
					bulletCheckElement->SetColor(colors.bulletDark);
				}
				if(bulletRadioElement)
				{
					bulletRadioElement->SetColor(colors.bulletDark);
				}
			}

/***********************************************************************
Win7MenuItemButtonElements
***********************************************************************/

			Win7MenuItemButtonElements Win7MenuItemButtonElements::Create()
			{
				Win7MenuItemButtonElements button;
				{
					button.mainComposition=new GuiBoundsComposition;
					button.mainComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				}
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					button.backgroundElement=element;

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					button.mainComposition->AddChild(composition);
					composition->SetAlignmentToParent(Margin(1, 1, 1, 1));
					composition->SetOwnedElement(element);
				}
				{
					GuiRoundBorderElement* element=GuiRoundBorderElement::Create();
					button.borderElement=element;
					element->SetRadius(2);

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					button.mainComposition->AddChild(composition);
					composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					composition->SetOwnedElement(element);
				}
				{
					GuiGradientBackgroundElement* element=GuiGradientBackgroundElement::Create();
					button.gradientElement=element;
					element->SetDirection(GuiGradientBackgroundElement::Vertical);

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					button.mainComposition->AddChild(composition);
					composition->SetAlignmentToParent(Margin(2, 2, 2, 2));
					composition->SetOwnedElement(element);
				}
				{
					GuiTableComposition* table=new GuiTableComposition;
					button.mainComposition->AddChild(table);
					table->SetAlignmentToParent(Margin(2, 0, 2, 0));
					table->SetRowsAndColumns(1, 5);

					table->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
					table->SetColumnOption(0, GuiCellOption::AbsoluteOption(24));
					table->SetColumnOption(1, GuiCellOption::AbsoluteOption(2));
					table->SetColumnOption(2, GuiCellOption::PercentageOption(1.0));
					table->SetColumnOption(3, GuiCellOption::MinSizeOption());
					table->SetColumnOption(4, GuiCellOption::AbsoluteOption(10));
					
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 0, 1, 1);
						button.splitterComposition=cell;

						GuiImageFrameElement* element=GuiImageFrameElement::Create();
						button.imageElement=element;
						element->SetStretch(false);
						element->SetAlignments(Alignment::Center, Alignment::Center);
						cell->SetOwnedElement(element);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 1, 1);
						button.splitterComposition=cell;

						Gui3DSplitterElement* element=Gui3DSplitterElement::Create();
						button.splitterElement=element;
						element->SetDirection(Gui3DSplitterElement::Vertical);
						cell->SetOwnedElement(element);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 2, 1, 1);

						Win7CreateSolidLabelElement(button.textElement, button.textComposition, L"MenuItem-Text", Alignment::Left, Alignment::Center);
						cell->AddChild(button.textComposition);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 3, 1, 1);

						Win7CreateSolidLabelElement(button.shortcutElement, button.shortcutComposition, L"MenuItem-Shortcut", Alignment::Right, Alignment::Center);
						cell->AddChild(button.shortcutComposition);
					}
					{
						button.subMenuArrowElement=common_styles::CommonFragmentBuilder::BuildRightArrow();

						GuiCellComposition* cell=new GuiCellComposition;
						button.subMenuArrowComposition=cell;
						cell->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
						table->AddChild(cell);
						cell->SetSite(0, 4, 1, 1);
						cell->SetOwnedElement(button.subMenuArrowElement);
						cell->SetVisible(false);
					}
				}
				return button;
			}

			void Win7MenuItemButtonElements::Apply(const Win7ButtonColors& colors)
			{
				borderElement->SetColor(colors.borderColor);
				backgroundElement->SetColor(colors.backgroundColor);
				gradientElement->SetColors(colors.g1, colors.g2);
				splitterElement->SetColors(colors.g3, colors.g4);
				textElement->SetColor(colors.textColor);
				shortcutElement->SetColor(colors.textColor);
				subMenuArrowElement->SetBackgroundColor(colors.textColor);
				subMenuArrowElement->SetBorderColor(colors.textColor);
			}

			void Win7MenuItemButtonElements::SetActive(bool value)
			{
				if(value)
				{
					splitterComposition->SetMargin(Margin(0, 1, 0, 2));
				}
				else
				{
					splitterComposition->SetMargin(Margin(0, 0, 0, 0));
				}
			}

			void Win7MenuItemButtonElements::SetSubMenuExisting(bool value)
			{
				subMenuArrowComposition->SetVisible(value);
			}

/***********************************************************************
Win7TextBoxColors
***********************************************************************/

			Win7TextBoxColors Win7TextBoxColors::Blend(const Win7TextBoxColors& c1, const Win7TextBoxColors& c2, vint ratio, vint total)
			{
				if(ratio<0) ratio=0;
				else if(ratio>total) ratio=total;

				Win7TextBoxColors result;
				result.borderColor=BlendColor(c1.borderColor, c2.borderColor, ratio, total);
				result.backgroundColor=BlendColor(c1.backgroundColor, c2.backgroundColor, ratio, total);
				return result;
			}
			
			Win7TextBoxColors Win7TextBoxColors::Normal()
			{
				Win7TextBoxColors result=
				{
					Color(197, 197, 197),
					Color(255, 255, 255),
				};
				return result;
			}

			Win7TextBoxColors Win7TextBoxColors::Active()
			{
				Win7TextBoxColors result=
				{
					Color(197, 218, 237),
					Color(255, 255, 255),
				};
				return result;
			}

			Win7TextBoxColors Win7TextBoxColors::Focused()
			{
				Win7TextBoxColors result=
				{
					Color(61, 123, 173),
					Color(255, 255, 255),
				};
				return result;
			}

			Win7TextBoxColors Win7TextBoxColors::Disabled()
			{
				Win7TextBoxColors result=
				{
					Color(175, 175, 175),
					Win7GetSystemWindowColor(),
				};
				return result;
			}

/***********************************************************************
Helpers
***********************************************************************/

			Color Win7GetSystemWindowColor()
			{
				return Color(240, 240, 240);
			}

			Color Win7GetSystemTabContentColor()
			{
				return Color(255, 255, 255);
			}

			Color Win7GetSystemBorderColor()
			{
				return Color(100, 100, 100);
			}

			Color Win7GetSystemBorderSinkColor()
			{
				return Color(227, 227, 227);
			}

			Color Win7GetSystemBorderRaiseColor()
			{
				return Color(255, 255, 255);
			}

			Color Win7GetSystemTextColor(bool enabled)
			{
				return enabled?Color(0, 0, 0):Color(131, 131, 131);
			}

			void Win7SetFont(GuiSolidLabelElement* element, GuiBoundsComposition* composition, const FontProperties& fontProperties)
			{
				vint margin=3;
				element->SetFont(fontProperties);
				composition->SetMargin(Margin(margin, margin, margin, margin));
			}

			void Win7CreateSolidLabelElement(GuiSolidLabelElement*& element, GuiBoundsComposition*& composition, Alignment horizontal, Alignment vertical)
			{
				element=GuiSolidLabelElement::Create();
				element->SetAlignments(horizontal, vertical);

				composition=new GuiBoundsComposition;
				composition->SetOwnedElement(element);
				composition->SetMargin(Margin(0, 0, 0, 0));
				composition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
			}

			void Win7CreateSolidLabelElement(elements::GuiSolidLabelElement*& element, compositions::GuiSharedSizeItemComposition*& composition, const WString& group, Alignment horizontal, Alignment vertical)
			{
				element=GuiSolidLabelElement::Create();
				element->SetAlignments(horizontal, vertical);

				composition=new GuiSharedSizeItemComposition;
				composition->SetGroup(group);
				composition->SetSharedWidth(true);
				composition->SetOwnedElement(element);
				composition->SetMargin(Margin(0, 0, 0, 0));
				composition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
			}

			elements::text::ColorEntry Win7GetTextBoxTextColor()
			{
				elements::text::ColorEntry entry;
				entry.normal.text=Color(0, 0, 0);
				entry.normal.background=Color(0, 0, 0, 0);
				entry.selectedFocused.text=Color(255, 255, 255);
				entry.selectedFocused.background=Color(51, 153, 255);
				entry.selectedUnfocused.text=Color(255, 255, 255);
				entry.selectedUnfocused.background=Color(51, 153, 255);
				return entry;
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN7STYLES\GUIWIN7TABSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win7
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win7TabPageHeaderStyle
***********************************************************************/

			void Win7TabPageHeaderStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected)
			{
				if(selected)
				{
					transferringAnimation->Transfer(Win7ButtonColors::TabPageHeaderSelected());
				}
				else
				{
					switch(value)
					{
					case GuiButton::Normal:
						transferringAnimation->Transfer(Win7ButtonColors::TabPageHeaderNormal());
						break;
					case GuiButton::Active:
					case GuiButton::Pressed:
						transferringAnimation->Transfer(Win7ButtonColors::TabPageHeaderActive());
						break;
					}
				}
			}

			Win7TabPageHeaderStyle::Win7TabPageHeaderStyle()
				:Win7ButtonStyleBase(true, false, Win7ButtonColors::TabPageHeaderNormal(), Alignment::Left, Alignment::Center)
			{
				transferringAnimation->SetEnableAnimation(false);
				{
					Margin margin=elements.backgroundComposition->GetAlignmentToParent();
					margin.bottom=0;
					elements.backgroundComposition->SetAlignmentToParent(margin);
				}
				{
					Margin margin=elements.gradientComposition->GetAlignmentToParent();
					margin.bottom=0;
					elements.gradientComposition->SetAlignmentToParent(margin);
				}
			}

			Win7TabPageHeaderStyle::~Win7TabPageHeaderStyle()
			{
			}

			void Win7TabPageHeaderStyle::SetFont(const FontProperties& value)
			{
				Win7ButtonStyleBase::SetFont(value);
				Margin margin=elements.textComposition->GetMargin();
				margin.left*=2;
				margin.right*=2;
				elements.textComposition->SetMargin(margin);
			}

/***********************************************************************
Win7TabStyle
***********************************************************************/

			void Win7TabStyle::OnHeaderButtonClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(commandExecutor)
				{
					vint index=headerButtons.IndexOf(dynamic_cast<GuiSelectableButton*>(sender->GetAssociatedControl()));
					if(index!=-1)
					{
						commandExecutor->ShowTab(index);
					}
				}
			}

			void Win7TabStyle::OnTabHeaderBoundsChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				vint height=headerOverflowButton->GetBoundsComposition()->GetBounds().Height();
				headerOverflowButton->GetBoundsComposition()->SetBounds(Rect(Point(0, 0), Size(height, 0)));

				UpdateHeaderLayout();
			}

			void Win7TabStyle::OnHeaderOverflowButtonClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				headerOverflowMenu->SetClientSize(Size(0, 0));
				headerOverflowMenu->ShowPopup(headerOverflowButton, true);
			}

			void Win7TabStyle::OnHeaderOverflowMenuButtonClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				vint index=headerOverflowMenu->GetToolstripItems().IndexOf(sender->GetRelatedControl());
				commandExecutor->ShowTab(index);
			}

			void Win7TabStyle::UpdateHeaderOverflowButtonVisibility()
			{
				if(tabHeaderComposition->IsStackItemClipped())
				{
					boundsComposition->SetColumnOption(1, GuiCellOption::MinSizeOption());
				}
				else
				{
					boundsComposition->SetColumnOption(1, GuiCellOption::AbsoluteOption(0));
				}
				boundsComposition->ForceCalculateSizeImmediately();
			}

			void Win7TabStyle::UpdateHeaderZOrder()
			{
				vint itemCount=tabHeaderComposition->GetStackItems().Count();
				vint childCount=tabHeaderComposition->Children().Count();
				for(vint i=0;i<itemCount;i++)
				{
					GuiStackItemComposition* item=tabHeaderComposition->GetStackItems().Get(i);
					if(headerButtons[i]->GetSelected())
					{
						tabHeaderComposition->MoveChild(item, childCount-1);
						item->SetExtraMargin(Margin(2, 2, 2, 0));
					}
					else
					{
						item->SetExtraMargin(Margin(0, 0, 0, 0));
					}
				}
				if(childCount>1)
				{
					tabHeaderComposition->MoveChild(tabContentTopLineComposition, childCount-2);
				}
			}

			void Win7TabStyle::UpdateHeaderVisibilityIndex()
			{
				vint itemCount=tabHeaderComposition->GetStackItems().Count();
				vint selectedItem=-1;
				for(vint i=0;i<itemCount;i++)
				{
					if(headerButtons[i]->GetSelected())
					{
						selectedItem=i;
					}
				}

				if(selectedItem!=-1)
				{
					tabHeaderComposition->EnsureVisible(selectedItem);
				}
			}

			void Win7TabStyle::UpdateHeaderLayout()
			{
				UpdateHeaderZOrder();
				UpdateHeaderVisibilityIndex();
				UpdateHeaderOverflowButtonVisibility();
			}

			void Win7TabStyle::Initialize()
			{
				boundsComposition=new GuiTableComposition;
				boundsComposition->SetRowsAndColumns(2, 2);
				boundsComposition->SetRowOption(0, GuiCellOption::MinSizeOption());
				boundsComposition->SetRowOption(1, GuiCellOption::PercentageOption(1.0));
				boundsComposition->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
				boundsComposition->SetColumnOption(1, GuiCellOption::AbsoluteOption(0));
				{
					GuiCellComposition* cell=new GuiCellComposition;
					boundsComposition->AddChild(cell);
					cell->SetSite(0, 0, 1, 1);

					tabHeaderComposition=new GuiStackComposition;
					tabHeaderComposition->SetExtraMargin(Margin(2, 2, 2, 0));
					tabHeaderComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					tabHeaderComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					tabHeaderComposition->BoundsChanged.AttachMethod(this, &Win7TabStyle::OnTabHeaderBoundsChanged);
					cell->AddChild(tabHeaderComposition);
				}
				{
					GuiCellComposition* cell=new GuiCellComposition;
					boundsComposition->AddChild(cell);
					cell->SetSite(0, 1, 1, 1);

					headerOverflowButton=new GuiButton(CreateMenuButtonStyleController());
					headerOverflowButton->GetContainerComposition()->AddChild(common_styles::CommonFragmentBuilder::BuildDownArrow(headerOverflowArrowElement));
					headerOverflowButton->GetBoundsComposition()->SetAlignmentToParent(Margin(-1, 0, 0, 0));
					headerOverflowButton->Clicked.AttachMethod(this, &Win7TabStyle::OnHeaderOverflowButtonClicked);
					cell->AddChild(headerOverflowButton->GetBoundsComposition());
				}
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(GetBorderColor());

					tabContentTopLineComposition=new GuiBoundsComposition;
					tabContentTopLineComposition->SetOwnedElement(element);
					tabContentTopLineComposition->SetAlignmentToParent(Margin(0, -1, 0, 0));
					tabContentTopLineComposition->SetPreferredMinSize(Size(0, 1));
					tabHeaderComposition->AddChild(tabContentTopLineComposition);
				}
				{
					GuiCellComposition* cell=new GuiCellComposition;
					boundsComposition->AddChild(cell);
					cell->SetSite(1, 0, 1, 2);
					
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(GetBackgroundColor());

					containerComposition=new GuiBoundsComposition;
					containerComposition->SetOwnedElement(element);
					containerComposition->SetAlignmentToParent(Margin(1, 0, 1, 1));
					containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					cell->AddChild(containerComposition);

					{
						GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
						element->SetColor(GetBorderColor());
						cell->SetOwnedElement(element);
					}
					{
						GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
						element->SetColor(Win7GetSystemTabContentColor());
						containerComposition->SetOwnedElement(element);
					}
				}

				headerOverflowMenu=new GuiToolstripMenu(CreateMenuStyleController(), 0);
				headerController=new GuiSelectableButton::MutexGroupController;
			}
			
			controls::GuiSelectableButton::IStyleController* Win7TabStyle::CreateHeaderStyleController()
			{
				return new Win7TabPageHeaderStyle;
			}

			controls::GuiButton::IStyleController* Win7TabStyle::CreateMenuButtonStyleController()
			{
				return new Win7ButtonStyle;
			}

			controls::GuiToolstripMenu::IStyleController* Win7TabStyle::CreateMenuStyleController()
			{
				return new Win7MenuStyle;
			}

			controls::GuiToolstripButton::IStyleController* Win7TabStyle::CreateMenuItemStyleController()
			{
				return new Win7MenuItemButtonStyle;
			}

			Color Win7TabStyle::GetBorderColor()
			{
				return Win7ButtonColors::TabPageHeaderNormal().borderColor;
			}

			Color Win7TabStyle::GetBackgroundColor()
			{
				return Win7GetSystemTabContentColor();
			}

			Win7TabStyle::Win7TabStyle(bool initialize)
				:boundsComposition(0)
				,containerComposition(0)
				,tabHeaderComposition(0)
				,tabContentTopLineComposition(0)
				,commandExecutor(0)
				,headerOverflowArrowElement(0)
				,headerOverflowButton(0)
				,headerOverflowMenu(0)
			{
				if(initialize)
				{
					Initialize();
				}
			}

			Win7TabStyle::~Win7TabStyle()
			{
				delete headerOverflowMenu;
			}

			compositions::GuiBoundsComposition* Win7TabStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7TabStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win7TabStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7TabStyle::SetText(const WString& value)
			{
			}

			void Win7TabStyle::SetFont(const FontProperties& value)
			{
				headerFont=value;
			}

			void Win7TabStyle::SetVisuallyEnabled(bool value)
			{
			}

			void Win7TabStyle::SetCommandExecutor(controls::GuiTab::ICommandExecutor* value)
			{
				commandExecutor=value;
			}

			void Win7TabStyle::InsertTab(vint index)
			{
				GuiSelectableButton* button=new GuiSelectableButton(CreateHeaderStyleController());
				button->SetAutoSelection(false);
				button->SetFont(headerFont);
				button->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
				button->SetGroupController(headerController.Obj());
				button->Clicked.AttachMethod(this, &Win7TabStyle::OnHeaderButtonClicked);

				GuiStackItemComposition* item=new GuiStackItemComposition;
				item->AddChild(button->GetBoundsComposition());
				tabHeaderComposition->InsertStackItem(index, item);
				headerButtons.Insert(index, button);

				GuiToolstripButton* menuItem=new GuiToolstripButton(CreateMenuItemStyleController());
				menuItem->Clicked.AttachMethod(this, &Win7TabStyle::OnHeaderOverflowMenuButtonClicked);
				headerOverflowMenu->GetToolstripItems().Insert(index, menuItem);

				UpdateHeaderLayout();
			}

			void Win7TabStyle::SetTabText(vint index, const WString& value)
			{
				headerButtons[index]->SetText(value);
				headerOverflowMenu->GetToolstripItems().Get(index)->SetText(value);
				
				UpdateHeaderLayout();
			}

			void Win7TabStyle::RemoveTab(vint index)
			{
				GuiStackItemComposition* item=tabHeaderComposition->GetStackItems().Get(index);
				GuiSelectableButton* button=headerButtons[index];

				tabHeaderComposition->RemoveChild(item);
				item->RemoveChild(button->GetBoundsComposition());
				headerButtons.RemoveAt(index);

				headerOverflowMenu->GetToolstripItems().RemoveAt(index);
				delete item;
				delete button;
				
				UpdateHeaderLayout();
			}

			void Win7TabStyle::MoveTab(vint oldIndex, vint newIndex)
			{
				GuiStackItemComposition* item=tabHeaderComposition->GetStackItems().Get(oldIndex);
				tabHeaderComposition->RemoveChild(item);
				tabHeaderComposition->InsertStackItem(newIndex, item);

				GuiSelectableButton* button=headerButtons[oldIndex];
				headerButtons.RemoveAt(oldIndex);
				headerButtons.Insert(newIndex, button);
				
				UpdateHeaderLayout();
			}

			void Win7TabStyle::SetSelectedTab(vint index)
			{
				headerButtons[index]->SetSelected(true);
				
				UpdateHeaderLayout();
			}

			void Win7TabStyle::SetTabAlt(vint index, const WString& value, compositions::IGuiAltActionHost* host)
			{
				auto button = headerButtons[index];
				button->SetAlt(value);
				button->SetActivatingAltHost(host);
			}

			compositions::IGuiAltAction* Win7TabStyle::GetTabAltAction(vint index)
			{
				return headerButtons[index]->QueryTypedService<IGuiAltAction>();
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN7STYLES\GUIWIN7TOOLSTRIPSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win7
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win7WindowStyle
***********************************************************************/

			Win7ToolstripToolBarStyle::Win7ToolstripToolBarStyle()
				:Win7EmptyStyle(Win7GetSystemWindowColor())
			{
				boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
			}

			Win7ToolstripToolBarStyle::~Win7ToolstripToolBarStyle()
			{
			}

/***********************************************************************
Win7ToolstripButtonDropdownStyle
***********************************************************************/

			void Win7ToolstripButtonDropdownStyle::TransferInternal(controls::GuiButton::ControlState value, bool enabled)
			{
				splitterComposition->SetVisible(value!=GuiButton::Normal && enabled);
			}

			Win7ToolstripButtonDropdownStyle::Win7ToolstripButtonDropdownStyle()
				:isVisuallyEnabled(false)
				,controlState(GuiButton::Normal)
			{
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				{
					Gui3DSplitterElement* splitterElement=Gui3DSplitterElement::Create();
					splitterElement->SetColors(Win7GetSystemBorderSinkColor(), Win7GetSystemBorderRaiseColor());
					splitterElement->SetDirection(Gui3DSplitterElement::Vertical);

					splitterComposition=new GuiBoundsComposition;
					splitterComposition->SetAlignmentToParent(Margin(0, 3, -1, 3));
					splitterComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
					splitterComposition->SetOwnedElement(splitterElement);
					splitterComposition->SetPreferredMinSize(Size(2, 0));
					splitterComposition->SetVisible(false);
					boundsComposition->AddChild(splitterComposition);
				}
				{
					containerComposition=new GuiBoundsComposition;
					containerComposition->SetAlignmentToParent(Margin(4, 0, 4, 0));
					containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					boundsComposition->AddChild(containerComposition);
				}
			}

			Win7ToolstripButtonDropdownStyle::~Win7ToolstripButtonDropdownStyle()
			{
			}
				
			compositions::GuiBoundsComposition* Win7ToolstripButtonDropdownStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7ToolstripButtonDropdownStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win7ToolstripButtonDropdownStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7ToolstripButtonDropdownStyle::SetText(const WString& value)
			{
			}

			void Win7ToolstripButtonDropdownStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7ToolstripButtonDropdownStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					TransferInternal(controlState, isVisuallyEnabled);
				}
			}

			void Win7ToolstripButtonDropdownStyle::Transfer(controls::GuiButton::ControlState value)
			{
				if(controlState!=value)
				{
					controlState=value;
					TransferInternal(controlState, isVisuallyEnabled);
				}
			}

/***********************************************************************
Win7ToolstripButtonStyle
***********************************************************************/

			IMPLEMENT_TRANSFERRING_ANIMATION(Win7ButtonColors, Win7ToolstripButtonStyle)
			{
				colorCurrent=Win7ButtonColors::Blend(colorBegin, colorEnd, currentPosition, totalLength);
				style->elements.Apply(colorCurrent);
			}

			void Win7ToolstripButtonStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected, bool menuOpening)
			{
				Win7ButtonColors targetColor;
				if(enabled)
				{
					if(menuOpening)
					{
						value=GuiButton::Pressed;
					}
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=selected?Win7ButtonColors::ToolstripButtonSelected():Win7ButtonColors::ToolstripButtonNormal();
						break;
					case GuiButton::Active:
						targetColor=selected?Win7ButtonColors::ToolstripButtonSelected():Win7ButtonColors::ToolstripButtonActive();
						break;
					case GuiButton::Pressed:
						targetColor=Win7ButtonColors::ToolstripButtonPressed();
						break;
					}
				}
				else
				{
					targetColor=Win7ButtonColors::ToolstripButtonDisabled();
				}
				transferringAnimation->Transfer(targetColor);
			}

			Win7ToolstripButtonStyle::Win7ToolstripButtonStyle(ButtonStyle _buttonStyle)
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isSelected(false)
				,isOpening(false)
				,buttonStyle(_buttonStyle)
				,subMenuHost(0)
			{
				elements=Win7ButtonElements::Create(true, true, Alignment::Center, Alignment::Center);
				elements.Apply(Win7ButtonColors::ToolstripButtonNormal());
				transferringAnimation=new TransferringAnimation(this, Win7ButtonColors::ToolstripButtonNormal());

				elements.textComposition->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
				imageElement=GuiImageFrameElement::Create();
				imageComposition=new GuiBoundsComposition;
				imageComposition->SetOwnedElement(imageElement);
				imageComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				imageComposition->SetAlignmentToParent(Margin(4, 4, 4, 4));

				if(_buttonStyle==CommandButton)
				{
					GetContainerComposition()->AddChild(imageComposition);
				}
				else
				{
					GuiTableComposition* table=new GuiTableComposition;
					table->SetAlignmentToParent(Margin(0, 0, 0, 0));
					table->SetRowsAndColumns(1, 2);
					table->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
					table->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
					table->SetColumnOption(1, GuiCellOption::MinSizeOption());

					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 0, 1, 1);

						cell->AddChild(imageComposition);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 1, 1);
						GuiPolygonElement* arrow=0;
						GuiBoundsComposition* arrowComposition=common_styles::CommonFragmentBuilder::BuildDownArrow(arrow);

						switch(_buttonStyle)
						{
						case DropdownButton:
							{
								arrowComposition->SetAlignmentToParent(Margin(0, 0, 4, 0));
								cell->AddChild(arrowComposition);
							}
							break;
						case SplitButton:
							{

								subMenuHost=new GuiButton(new Win7ToolstripButtonDropdownStyle);
								subMenuHost->GetContainerComposition()->AddChild(arrowComposition);
								subMenuHost->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
								cell->AddChild(subMenuHost->GetBoundsComposition());
							}
							break;
						default:;
						}
					}
					GetContainerComposition()->AddChild(table);
				}
			}

			Win7ToolstripButtonStyle::~Win7ToolstripButtonStyle()
			{
				transferringAnimation->Disable();
			}

			compositions::GuiBoundsComposition* Win7ToolstripButtonStyle::GetBoundsComposition()
			{
				return elements.mainComposition;
			}

			compositions::GuiGraphicsComposition* Win7ToolstripButtonStyle::GetContainerComposition()
			{
				return elements.mainComposition;
			}

			void Win7ToolstripButtonStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7ToolstripButtonStyle::SetText(const WString& value)
			{
			}

			void Win7ToolstripButtonStyle::SetFont(const FontProperties& value)
			{
				Win7SetFont(elements.textElement, elements.textComposition, value);
			}

			void Win7ToolstripButtonStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					imageElement->SetEnabled(value);
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			void Win7ToolstripButtonStyle::SetSelected(bool value)
			{
				if(isSelected!=value)
				{
					isSelected=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			controls::GuiMenu::IStyleController* Win7ToolstripButtonStyle::CreateSubMenuStyleController()
			{
				return new Win7MenuStyle;
			}

			void Win7ToolstripButtonStyle::SetSubMenuExisting(bool value)
			{
			}

			void Win7ToolstripButtonStyle::SetSubMenuOpening(bool value)
			{
				if(isOpening!=value)
				{
					isOpening=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			controls::GuiButton* Win7ToolstripButtonStyle::GetSubMenuHost()
			{
				return subMenuHost;
			}

			void Win7ToolstripButtonStyle::SetImage(Ptr<GuiImageData> value)
			{
				if(value)
				{
					imageElement->SetImage(value->GetImage(), value->GetFrameIndex());
				}
				else
				{
					imageElement->SetImage(0, 0);
				}
			}

			void Win7ToolstripButtonStyle::SetShortcutText(const WString& value)
			{
			}

			void Win7ToolstripButtonStyle::Transfer(controls::GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

/***********************************************************************
Win7ToolstripSplitterStyle
***********************************************************************/

			Win7ToolstripSplitterStyle::Win7ToolstripSplitterStyle()
			{
				Color dark=Win7GetSystemBorderSinkColor();
				Color bright=Win7GetSystemBorderRaiseColor();

				GuiBoundsComposition* bounds=new GuiBoundsComposition;
				bounds->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				boundsComposition=bounds;

				GuiSolidBackgroundElement* backgroundElement=GuiSolidBackgroundElement::Create();
				bounds->SetOwnedElement(backgroundElement);
				backgroundElement->SetColor(Win7GetSystemWindowColor());

				GuiBoundsComposition* splitterComposition=new GuiBoundsComposition;
				bounds->AddChild(splitterComposition);
				splitterComposition->SetAlignmentToParent(Margin(3, 3, 3, 3));

				Gui3DSplitterElement* splitterElement=Gui3DSplitterElement::Create();
				splitterComposition->SetOwnedElement(splitterElement);
				splitterElement->SetColors(dark, bright);
				splitterElement->SetDirection(Gui3DSplitterElement::Vertical);
			}

			Win7ToolstripSplitterStyle::~Win7ToolstripSplitterStyle()
			{
			}

			compositions::GuiBoundsComposition* Win7ToolstripSplitterStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win7ToolstripSplitterStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void Win7ToolstripSplitterStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win7ToolstripSplitterStyle::SetText(const WString& value)
			{
			}

			void Win7ToolstripSplitterStyle::SetFont(const FontProperties& value)
			{
			}

			void Win7ToolstripSplitterStyle::SetVisuallyEnabled(bool value)
			{
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN8STYLES\GUIWIN8BUTTONSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win8
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win8ButtonStyleBase
***********************************************************************/

			IMPLEMENT_TRANSFERRING_ANIMATION(Win8ButtonColors, Win8ButtonStyleBase)
			{
				colorCurrent=Win8ButtonColors::Blend(colorBegin, colorEnd, currentPosition, totalLength);
				style->elements.Apply(colorCurrent);
				style->AfterApplyColors(colorCurrent);
			}

			void Win8ButtonStyleBase::AfterApplyColors(const Win8ButtonColors& colors)
			{
			}

			Win8ButtonStyleBase::Win8ButtonStyleBase(const Win8ButtonColors& initialColor, Alignment horizontal, Alignment vertical)
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isSelected(false)
				,transparentWhenInactive(false)
				,transparentWhenDisabled(false)
			{
				elements=Win8ButtonElements::Create(horizontal, vertical);
				elements.Apply(initialColor);
				transferringAnimation=new TransferringAnimation(this, initialColor);
			}

			Win8ButtonStyleBase::~Win8ButtonStyleBase()
			{
				transferringAnimation->Disable();
			}

			compositions::GuiBoundsComposition* Win8ButtonStyleBase::GetBoundsComposition()
			{
				return elements.mainComposition;
			}

			compositions::GuiGraphicsComposition* Win8ButtonStyleBase::GetContainerComposition()
			{
				return elements.mainComposition;
			}

			void Win8ButtonStyleBase::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8ButtonStyleBase::SetText(const WString& value)
			{
				elements.textElement->SetText(value);
			}

			void Win8ButtonStyleBase::SetFont(const FontProperties& value)
			{
				Win8SetFont(elements.textElement, elements.textComposition, value);
			}

			void Win8ButtonStyleBase::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win8ButtonStyleBase::SetSelected(bool value)
			{
				if(isSelected!=value)
				{
					isSelected=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win8ButtonStyleBase::Transfer(GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			bool Win8ButtonStyleBase::GetTransparentWhenInactive()
			{
				return transparentWhenInactive;
			}

			void Win8ButtonStyleBase::SetTransparentWhenInactive(bool value)
			{
				transparentWhenInactive=value;
				TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
			}

			bool Win8ButtonStyleBase::GetTransparentWhenDisabled()
			{
				return transparentWhenDisabled;
			}

			void Win8ButtonStyleBase::SetTransparentWhenDisabled(bool value)
			{
				transparentWhenDisabled=value;
				TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
			}

			bool Win8ButtonStyleBase::GetAutoSizeForText()
			{
				return elements.textComposition->GetMinSizeLimitation()!=GuiGraphicsComposition::NoLimit;
			}

			void Win8ButtonStyleBase::SetAutoSizeForText(bool value)
			{
				if(value)
				{
					elements.textComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				}
				else
				{
					elements.textComposition->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
				}
			}

/***********************************************************************
Win8ButtonStyle
***********************************************************************/

			void Win8ButtonStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected)
			{
				Win8ButtonColors targetColor;
				if(enabled)
				{
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=Win8ButtonColors::ButtonNormal();
						if(transparentWhenInactive)
						{
							targetColor.SetAlphaWithoutText(0);
						}
						break;
					case GuiButton::Active:
						targetColor=Win8ButtonColors::ButtonActive();
						break;
					case GuiButton::Pressed:
						targetColor=Win8ButtonColors::ButtonPressed();
						break;
					}
				}
				else
				{
					targetColor=Win8ButtonColors::ButtonDisabled();
					if(transparentWhenDisabled)
					{
						targetColor.SetAlphaWithoutText(0);
					}
				}
				transferringAnimation->Transfer(targetColor);
			}

			Win8ButtonStyle::Win8ButtonStyle()
				:Win8ButtonStyleBase(Win8ButtonColors::ButtonNormal(), Alignment::Center, Alignment::Center)
			{
			}

			Win8ButtonStyle::~Win8ButtonStyle()
			{
			}

/***********************************************************************
Win7CheckBoxStyle
***********************************************************************/

			IMPLEMENT_TRANSFERRING_ANIMATION(Win8ButtonColors, Win8CheckBoxStyle)
			{
				colorCurrent=Win8ButtonColors::Blend(colorBegin, colorEnd, currentPosition, totalLength);
				style->elements.Apply(colorCurrent);
			}

			void Win8CheckBoxStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected)
			{
				if(enabled)
				{
					switch(value)
					{
					case GuiButton::Normal:
						transferringAnimation->Transfer(Win8ButtonColors::CheckedNormal(selected));
						break;
					case GuiButton::Active:
						transferringAnimation->Transfer(Win8ButtonColors::CheckedActive(selected));
						break;
					case GuiButton::Pressed:
						transferringAnimation->Transfer(Win8ButtonColors::CheckedPressed(selected));
						break;
					}
				}
				else
				{
					transferringAnimation->Transfer(Win8ButtonColors::CheckedDisabled(selected));
				}
			}

			Win8CheckBoxStyle::Win8CheckBoxStyle(BulletStyle bulletStyle, bool backgroundVisible)
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isSelected(false)
			{
				Win8ButtonColors initialColor=Win8ButtonColors::CheckedNormal(isSelected);
				elements=Win8CheckedButtonElements::Create(bulletStyle==CheckBox?ElementShape::Rectangle:ElementShape::Ellipse, backgroundVisible);
				elements.Apply(initialColor);
				transferringAnimation=new TransferringAnimation(this, initialColor);
			}

			Win8CheckBoxStyle::~Win8CheckBoxStyle()
			{
				transferringAnimation->Disable();
			}

			compositions::GuiBoundsComposition* Win8CheckBoxStyle::GetBoundsComposition()
			{
				return elements.mainComposition;
			}

			compositions::GuiGraphicsComposition* Win8CheckBoxStyle::GetContainerComposition()
			{
				return elements.mainComposition;
			}

			void Win8CheckBoxStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8CheckBoxStyle::SetText(const WString& value)
			{
				elements.textElement->SetText(value);
			}

			void Win8CheckBoxStyle::SetFont(const FontProperties& value)
			{
				Win8SetFont(elements.textElement, elements.textComposition, value);
			}

			void Win8CheckBoxStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win8CheckBoxStyle::SetSelected(bool value)
			{
				if(isSelected!=value)
				{
					isSelected=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}

			void Win8CheckBoxStyle::Transfer(GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected);
				}
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN8STYLES\GUIWIN8CONTROLSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win8
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win8EmptyStyle
***********************************************************************/

			Win8EmptyStyle::Win8EmptyStyle(Color color)
			{
				GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
				element->SetColor(color);
				
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetOwnedElement(element);
			}

			Win8EmptyStyle::~Win8EmptyStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8EmptyStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8EmptyStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void Win8EmptyStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8EmptyStyle::SetText(const WString& value)
			{
			}

			void Win8EmptyStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8EmptyStyle::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
Win8WindowStyle
***********************************************************************/

			Win8WindowStyle::Win8WindowStyle()
			{
				GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
				element->SetColor(Win8GetSystemWindowColor());
				
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetOwnedElement(element);
			}

			Win8WindowStyle::~Win8WindowStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8WindowStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8WindowStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void Win8WindowStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8WindowStyle::SetText(const WString& value)
			{
			}

			void Win8WindowStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8WindowStyle::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
Win8TooltipStyle
***********************************************************************/

			Win8TooltipStyle::Win8TooltipStyle()
			{
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					element->SetColor(Color(100, 100, 100));
					boundsComposition->SetOwnedElement(element);
				}

				containerComposition=new GuiBoundsComposition;
				containerComposition->SetAlignmentToParent(Margin(1, 1, 1, 1));
				containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				boundsComposition->AddChild(containerComposition);
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Color(255, 255, 225));
					containerComposition->SetOwnedElement(element);
				}
			}

			Win8TooltipStyle::~Win8TooltipStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8TooltipStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8TooltipStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win8TooltipStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8TooltipStyle::SetText(const WString& value)
			{
			}

			void Win8TooltipStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8TooltipStyle::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
Win8LabelStyle
***********************************************************************/

			Win8LabelStyle::Win8LabelStyle(bool forShortcutKey)
			{
				textElement=GuiSolidLabelElement::Create();
				textElement->SetColor(GetDefaultTextColor());
				
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetMinSizeLimitation(GuiBoundsComposition::LimitToElementAndChildren);
				if (forShortcutKey)
				{
					{
						GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
						element->SetColor(Color(100, 100, 100));
						boundsComposition->SetOwnedElement(element);
					}

					auto containerComposition=new GuiBoundsComposition;
					containerComposition->SetAlignmentToParent(Margin(1, 1, 1, 1));
					containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					boundsComposition->AddChild(containerComposition);
					{
						GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
						element->SetColor(Color(255, 255, 225));
						containerComposition->SetOwnedElement(element);
					}

					auto labelComposition = new GuiBoundsComposition;
					labelComposition->SetAlignmentToParent(Margin(2, 2, 2, 2));
					labelComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
					labelComposition->SetOwnedElement(textElement);
					containerComposition->AddChild(labelComposition);
				}
				else
				{
					boundsComposition->SetOwnedElement(textElement);
				}
			}

			Win8LabelStyle::~Win8LabelStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8LabelStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8LabelStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void Win8LabelStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8LabelStyle::SetText(const WString& value)
			{
				textElement->SetText(value);
			}

			void Win8LabelStyle::SetFont(const FontProperties& value)
			{
				textElement->SetFont(value);
			}

			void Win8LabelStyle::SetVisuallyEnabled(bool value)
			{
			}

			Color Win8LabelStyle::GetDefaultTextColor()
			{
				return Win8GetSystemTextColor(true);
			}

			void Win8LabelStyle::SetTextColor(Color value)
			{
				textElement->SetColor(value);
			}

/***********************************************************************
Win8GroupBoxStyle
***********************************************************************/
			
			IMPLEMENT_TRANSFERRING_ANIMATION(Color, Win8GroupBoxStyle)
			{
				colorCurrent=BlendColor(colorBegin, colorEnd, currentPosition, totalLength);
				style->textElement->SetColor(colorCurrent);
			}

			void Win8GroupBoxStyle::SetMargins(vint fontSize)
			{
				fontSize+=4;
				vint half=fontSize/2;
				borderComposition->SetAlignmentToParent(Margin(0, half, 0, 0));
				containerComposition->SetAlignmentToParent(Margin(1, fontSize, 1, 1));
				textBackgroundComposition->SetAlignmentToParent(Margin(half, 2, -1, -1));
			}

			Win8GroupBoxStyle::Win8GroupBoxStyle()
			{
				boundsComposition=new GuiBoundsComposition;
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Win8GetSystemWindowColor());

					boundsComposition->SetOwnedElement(element);
					boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				}

				borderComposition=new GuiBoundsComposition;
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					element->SetColor(Color(221, 221, 221));

					borderComposition->SetOwnedElement(element);
					boundsComposition->AddChild(borderComposition);
				}

				textBackgroundComposition=new GuiBoundsComposition;
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Win8GetSystemWindowColor());

					textBackgroundComposition->SetOwnedElement(element);
					textBackgroundComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					boundsComposition->AddChild(textBackgroundComposition);
				}

				textComposition=new GuiBoundsComposition;
				{
					GuiSolidLabelElement* element=GuiSolidLabelElement::Create();
					element->SetColor(Win8GetSystemTextColor(true));
					textElement=element;

					textComposition->SetOwnedElement(element);
					textComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					textComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
					textBackgroundComposition->AddChild(textComposition);
				}

				containerComposition=new GuiBoundsComposition;
				{
					boundsComposition->AddChild(containerComposition);
				}

				SetMargins(0);
				transferringAnimation=new TransferringAnimation(this, Win8GetSystemTextColor(true));
			}

			Win8GroupBoxStyle::~Win8GroupBoxStyle()
			{
				transferringAnimation->Disable();
			}

			compositions::GuiBoundsComposition* Win8GroupBoxStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8GroupBoxStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win8GroupBoxStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8GroupBoxStyle::SetText(const WString& value)
			{
				textElement->SetText(value);
			}

			void Win8GroupBoxStyle::SetFont(const FontProperties& value)
			{
				textElement->SetFont(value);
				SetMargins(value.size);
			}

			void Win8GroupBoxStyle::SetVisuallyEnabled(bool value)
			{
				if(value)
				{
					transferringAnimation->Transfer(Win8GetSystemTextColor(true));
				}
				else
				{
					transferringAnimation->Transfer(Win8GetSystemTextColor(false));
				}
			}

/***********************************************************************
Win8DatePickerStyle
***********************************************************************/

			Win8DatePickerStyle::Win8DatePickerStyle()
			{
			}

			Win8DatePickerStyle::~Win8DatePickerStyle()
			{
			}

			void Win8DatePickerStyle::AssociateStyleController(controls::GuiControl::IStyleController* controller)
			{
			}

			void Win8DatePickerStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8DatePickerStyle::SetText(const WString& value)
			{
			}

			void Win8DatePickerStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8DatePickerStyle::SetVisuallyEnabled(bool value)
			{
			}

			controls::GuiSelectableButton::IStyleController* Win8DatePickerStyle::CreateDateButtonStyle()
			{
				return new Win8SelectableItemStyle;
			}

			controls::GuiTextList* Win8DatePickerStyle::CreateTextList()
			{
				return new GuiTextList(new Win8TextListProvider, new Win8TextListItemProvider);
			}

			controls::GuiComboBoxListControl::IStyleController* Win8DatePickerStyle::CreateComboBoxStyle()
			{
				return new Win8DropDownComboBoxStyle;
			}

			Color Win8DatePickerStyle::GetBackgroundColor()
			{
				return Win8GetSystemWindowColor();
			}

			Color Win8DatePickerStyle::GetPrimaryTextColor()
			{
				return Win8GetSystemTextColor(true);
			}

			Color Win8DatePickerStyle::GetSecondaryTextColor()
			{
				return Win8GetSystemTextColor(false);
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN8STYLES\GUIWIN8LISTSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win8
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win8SelectableItemStyle
***********************************************************************/

			void Win8SelectableItemStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected)
			{
				if(!enabled)
				{
					transferringAnimation->Transfer(Win8ButtonColors::ItemDisabled());
				}
				else if(selected)
				{
					transferringAnimation->Transfer(Win8ButtonColors::ItemSelected());
				}
				else
				{
					switch(value)
					{
					case GuiButton::Normal:
						transferringAnimation->Transfer(Win8ButtonColors::ItemNormal());
						break;
					case GuiButton::Active:
						transferringAnimation->Transfer(Win8ButtonColors::ItemActive());
						break;
					case GuiButton::Pressed:
						transferringAnimation->Transfer(Win8ButtonColors::ItemSelected());
						break;
					}
				}
			}

			Win8SelectableItemStyle::Win8SelectableItemStyle()
				:Win8ButtonStyleBase(Win8ButtonColors::ItemNormal(), Alignment::Left, Alignment::Center)
			{
				transferringAnimation->SetEnableAnimation(false);
			}

			Win8SelectableItemStyle::~Win8SelectableItemStyle()
			{
			}

/***********************************************************************
Win8DropDownComboBoxStyle
***********************************************************************/

			void Win8DropDownComboBoxStyle::TransferInternal(controls::GuiButton::ControlState value, bool enabled, bool selected)
			{
				Win8ButtonColors targetColor;
				if(enabled)
				{
					if(selected) value=GuiButton::Pressed;
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=Win8ButtonColors::ButtonNormal();
						break;
					case GuiButton::Active:
						targetColor=Win8ButtonColors::ButtonActive();
						break;
					case GuiButton::Pressed:
						targetColor=Win8ButtonColors::ButtonPressed();
						break;
					}
				}
				else
				{
					targetColor=Win8ButtonColors::ButtonDisabled();
				}
				transferringAnimation->Transfer(targetColor);
			}

			void Win8DropDownComboBoxStyle::AfterApplyColors(const Win8ButtonColors& colors)
			{
				Win8ButtonStyle::AfterApplyColors(colors);
				dropDownElement->SetBorderColor(colors.textColor);
				dropDownElement->SetBackgroundColor(colors.textColor);
			}

			Win8DropDownComboBoxStyle::Win8DropDownComboBoxStyle()
				:commandExecutor(0)
				, textVisible(true)
			{
				table=new GuiTableComposition;
				table->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				table->SetAlignmentToParent(Margin(0, 0, 0, 0));
				table->SetRowsAndColumns(3, 2);
				table->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
				table->SetRowOption(1, GuiCellOption::MinSizeOption());
				table->SetRowOption(2, GuiCellOption::PercentageOption(1.0));
				table->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
				table->SetColumnOption(1, GuiCellOption::MinSizeOption());
				elements.textComposition->AddChild(table);
				elements.textComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);

				textComposition=new GuiCellComposition;
				table->AddChild(textComposition);
				textComposition->SetSite(1, 0, 1, 1);

				Ptr<IGuiGraphicsElement> element=elements.textComposition->GetOwnedElement();
				elements.textComposition->SetOwnedElement(0);
				textComposition->SetOwnedElement(element);
				elements.textElement->SetEllipse(true);
				elements.textElement->SetAlignments(Alignment::Left, Alignment::Center);

				dropDownElement=common_styles::CommonFragmentBuilder::BuildDownArrow();

				dropDownComposition=new GuiCellComposition;
				table->AddChild(dropDownComposition);
				dropDownComposition->SetSite(1, 1, 1, 1);
				dropDownComposition->SetOwnedElement(dropDownElement);
				dropDownComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				dropDownComposition->SetMargin(Margin(3, 0, 3, 0));
			}

			Win8DropDownComboBoxStyle::~Win8DropDownComboBoxStyle()
			{
			}

			compositions::GuiGraphicsComposition* Win8DropDownComboBoxStyle::GetContainerComposition()
			{
				return textComposition;
			}

			GuiMenu::IStyleController* Win8DropDownComboBoxStyle::CreateSubMenuStyleController()
			{
				return new Win8MenuStyle;
			}

			void Win8DropDownComboBoxStyle::SetSubMenuExisting(bool value)
			{
			}

			void Win8DropDownComboBoxStyle::SetSubMenuOpening(bool value)
			{
				SetSelected(value);
			}

			GuiButton* Win8DropDownComboBoxStyle::GetSubMenuHost()
			{
				return 0;
			}

			void Win8DropDownComboBoxStyle::SetImage(Ptr<GuiImageData> value)
			{
			}

			void Win8DropDownComboBoxStyle::SetShortcutText(const WString& value)
			{
			}

			void Win8DropDownComboBoxStyle::SetCommandExecutor(controls::GuiComboBoxBase::ICommandExecutor* value)
			{
				commandExecutor=value;
			}

			void Win8DropDownComboBoxStyle::OnItemSelected()
			{
			}

			void Win8DropDownComboBoxStyle::SetText(const WString& value)
			{
				text = value;
				if (textVisible)
				{
					Win8ButtonStyle::SetText(text);
				}
			}

			void Win8DropDownComboBoxStyle::SetTextVisible(bool value)
			{
				if (textVisible != value)
				{
					if ((textVisible = value))
					{
						Win8ButtonStyle::SetText(text);
					}
					else
					{
						Win8ButtonStyle::SetText(L"");
					}
				}
			}

/***********************************************************************
Win8TextListItemProvider
***********************************************************************/
			
			Win8TextListItemProvider::Win8TextListItemProvider()
			{
			}

			Win8TextListItemProvider::~Win8TextListItemProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win8TextListItemProvider::CreateBulletStyleController()
			{
				return 0;
			}

/***********************************************************************
Win8CheckTextListItemProvider
***********************************************************************/

			Win8CheckTextListItemProvider::Win8CheckTextListItemProvider()
			{
			}

			Win8CheckTextListItemProvider::~Win8CheckTextListItemProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win8CheckTextListItemProvider::CreateBulletStyleController()
			{
				return new Win8CheckBoxStyle(Win8CheckBoxStyle::CheckBox, false);
			}

/***********************************************************************
Win8RadioTextListItemProvider
***********************************************************************/

			Win8RadioTextListItemProvider::Win8RadioTextListItemProvider()
			{
			}

			Win8RadioTextListItemProvider::~Win8RadioTextListItemProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win8RadioTextListItemProvider::CreateBulletStyleController()
			{
				return new Win8CheckBoxStyle(Win8CheckBoxStyle::RadioButton, false);
			}

/***********************************************************************
Win8TextListProvider
***********************************************************************/

			Win8TextListProvider::Win8TextListProvider()
			{
			}

			Win8TextListProvider::~Win8TextListProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win8TextListProvider::CreateItemBackground()
			{
				return new Win8SelectableItemStyle;
			}

			Color Win8TextListProvider::GetTextColor()
			{
				return Win8GetSystemTextColor(true);
			}

/***********************************************************************
Win8ListViewProvider
***********************************************************************/

			Win8ListViewProvider::Win8ListViewProvider()
			{
			}

			Win8ListViewProvider::~Win8ListViewProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win8ListViewProvider::CreateItemBackground()
			{
				return new Win8SelectableItemStyle;
			}

			controls::GuiListViewColumnHeader::IStyleController* Win8ListViewProvider::CreateColumnStyle()
			{
				return new win7::Win7ListViewColumnHeaderStyle;
			}

			Color Win8ListViewProvider::GetPrimaryTextColor()
			{
				return Win8GetSystemTextColor(true);
			}

			Color Win8ListViewProvider::GetSecondaryTextColor()
			{
				return Win8GetSystemTextColor(false);
			}

			Color Win8ListViewProvider::GetItemSeparatorColor()
			{
				return Color(220, 220, 220);
			}

/***********************************************************************
Win8TreeViewProvider
***********************************************************************/

			Win8TreeViewProvider::Win8TreeViewProvider()
			{
			}

			Win8TreeViewProvider::~Win8TreeViewProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* Win8TreeViewProvider::CreateItemBackground()
			{
				return new Win8SelectableItemStyle;
			}

			controls::GuiSelectableButton::IStyleController* Win8TreeViewProvider::CreateItemExpandingDecorator()
			{
				return new win7::Win7TreeViewExpandingButtonStyle;
			}

			Color Win8TreeViewProvider::GetTextColor()
			{
				return Win8GetSystemTextColor(true);
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN8STYLES\GUIWIN8MENUSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win8
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win8MenuStyle
***********************************************************************/

			Win8MenuStyle::Win8MenuStyle()
			{
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					element->SetColor(Win8GetMenuBorderColor());
					boundsComposition=new GuiBoundsComposition;
					boundsComposition->SetOwnedElement(element);
				}
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Win8GetSystemWindowColor());
					GuiBoundsComposition* subBorder=new GuiBoundsComposition;
					subBorder->SetOwnedElement(element);
					subBorder->SetAlignmentToParent(Margin(1, 1, 1, 1));
					boundsComposition->AddChild(subBorder);
				}
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Win8GetSystemWindowColor());
					containerComposition=new GuiBoundsComposition;
					containerComposition->SetOwnedElement(element);
					containerComposition->SetAlignmentToParent(Margin(3, 3, 3, 3));
					containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					boundsComposition->AddChild(containerComposition);
				}
			}

			Win8MenuStyle::~Win8MenuStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8MenuStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8MenuStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win8MenuStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8MenuStyle::SetText(const WString& value)
			{
			}

			void Win8MenuStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8MenuStyle::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
Win8MenuBarStyle
***********************************************************************/

			Win8MenuBarStyle::Win8MenuBarStyle()
			{
				boundsComposition=new GuiBoundsComposition;
				{
					GuiSolidBackgroundElement* solid=GuiSolidBackgroundElement::Create();
					solid->SetColor(Color(245, 246, 247));
					boundsComposition->SetOwnedElement(solid);
					boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				}
				{
					Gui3DSplitterElement* element=Gui3DSplitterElement::Create();
					element->SetColors(Color(232, 233, 234), Color(240, 240, 240));
					element->SetDirection(Gui3DSplitterElement::Horizontal);

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetOwnedElement(element);
					composition->SetPreferredMinSize(Size(0, 2));
					composition->SetAlignmentToParent(Margin(0, -1, 0, 0));
					boundsComposition->AddChild(composition);
				}
				containerComposition=new GuiBoundsComposition;
				{
					containerComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					boundsComposition->AddChild(containerComposition);
				}
			}

			Win8MenuBarStyle::~Win8MenuBarStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8MenuBarStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8MenuBarStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win8MenuBarStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8MenuBarStyle::SetText(const WString& value)
			{
			}

			void Win8MenuBarStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8MenuBarStyle::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
Win8MenuBarButtonStyle
***********************************************************************/

			void Win8MenuBarButtonStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool opening)
			{
				Win8ButtonColors targetColor;
				if(!enabled)
				{
					targetColor=Win8ButtonColors::MenuBarButtonDisabled();
					targetColor.SetAlphaWithoutText(0);
				}
				else if(opening)
				{
					targetColor=Win8ButtonColors::MenuBarButtonPressed();
				}
				else
				{
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=Win8ButtonColors::MenuBarButtonNormal();
						targetColor.SetAlphaWithoutText(0);
						break;
					case GuiButton::Active:
						targetColor=Win8ButtonColors::MenuBarButtonActive();
						break;
					case GuiButton::Pressed:
						targetColor=Win8ButtonColors::MenuBarButtonPressed();
						break;
					}
				}
				elements.Apply(targetColor);
			}

			Win8MenuBarButtonStyle::Win8MenuBarButtonStyle()
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isOpening(false)
			{
				Win8ButtonColors initialColor=Win8ButtonColors::MenuBarButtonNormal();
				initialColor.SetAlphaWithoutText(0);

				elements=Win8ButtonElements::Create(Alignment::Center, Alignment::Center);
				elements.Apply(initialColor);
			}

			Win8MenuBarButtonStyle::~Win8MenuBarButtonStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8MenuBarButtonStyle::GetBoundsComposition()
			{
				return elements.mainComposition;
			}

			compositions::GuiGraphicsComposition* Win8MenuBarButtonStyle::GetContainerComposition()
			{
				return elements.mainComposition;
			}

			void Win8MenuBarButtonStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8MenuBarButtonStyle::SetText(const WString& value)
			{
				elements.textElement->SetText(value);
			}

			void Win8MenuBarButtonStyle::SetFont(const FontProperties& value)
			{
				Win8SetFont(elements.textElement, elements.textComposition, value);
				Margin margin=elements.textComposition->GetMargin();
				margin.left*=3;
				margin.right*=3;
				elements.textComposition->SetMargin(margin);
			}

			void Win8MenuBarButtonStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isOpening);
				}
			}

			void Win8MenuBarButtonStyle::SetSelected(bool value)
			{
			}

			controls::GuiMenu::IStyleController* Win8MenuBarButtonStyle::CreateSubMenuStyleController()
			{
				return new Win8MenuStyle;
			}

			void Win8MenuBarButtonStyle::SetSubMenuExisting(bool value)
			{
			}

			void Win8MenuBarButtonStyle::SetSubMenuOpening(bool value)
			{
				if(isOpening!=value)
				{
					isOpening=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isOpening);
				}
			}

			controls::GuiButton* Win8MenuBarButtonStyle::GetSubMenuHost()
			{
				return 0;
			}

			void Win8MenuBarButtonStyle::SetImage(Ptr<GuiImageData> value)
			{
			}

			void Win8MenuBarButtonStyle::SetShortcutText(const WString& value)
			{
			}

			void Win8MenuBarButtonStyle::Transfer(GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isOpening);
				}
			}

/***********************************************************************
Win8MenuItemButtonStyle
***********************************************************************/

			void Win8MenuItemButtonStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected, bool opening)
			{
				Win8ButtonColors targetColor;
				bool active=false;
				if(enabled)
				{
					if(opening)
					{
						targetColor=Win8ButtonColors::MenuItemButtonNormalActive();
						active=true;
					}
					else
					{
						switch(value)
						{
						case GuiButton::Normal:
							targetColor=selected?Win8ButtonColors::MenuItemButtonSelected():Win8ButtonColors::MenuItemButtonNormal();
							break;
						case GuiButton::Active:
						case GuiButton::Pressed:
							targetColor=selected?Win8ButtonColors::MenuItemButtonSelectedActive():Win8ButtonColors::MenuItemButtonNormalActive();
							active=true;
							break;
						}
					}
				}
				else
				{
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=Win8ButtonColors::MenuItemButtonDisabled();
						break;
					case GuiButton::Active:
					case GuiButton::Pressed:
						targetColor=Win8ButtonColors::MenuItemButtonDisabledActive();
						active=true;
						break;
					}
				}
				elements.Apply(targetColor);
				elements.SetActive(active || selected);
			}

			Win8MenuItemButtonStyle::Win8MenuItemButtonStyle()
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isSelected(false)
				,isOpening(false)
			{
				elements=Win8MenuItemButtonElements::Create();
				elements.Apply(Win8ButtonColors::MenuItemButtonNormal());
			}

			Win8MenuItemButtonStyle::~Win8MenuItemButtonStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8MenuItemButtonStyle::GetBoundsComposition()
			{
				return elements.mainComposition;
			}

			compositions::GuiGraphicsComposition* Win8MenuItemButtonStyle::GetContainerComposition()
			{
				return elements.mainComposition;
			}

			void Win8MenuItemButtonStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8MenuItemButtonStyle::SetText(const WString& value)
			{
				elements.textElement->SetText(value);
			}

			void Win8MenuItemButtonStyle::SetFont(const FontProperties& value)
			{
				Win8SetFont(elements.textElement, elements.textComposition, value);
				Win8SetFont(elements.shortcutElement, elements.shortcutComposition, value);
			}

			void Win8MenuItemButtonStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					elements.imageElement->SetEnabled(value);
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			void Win8MenuItemButtonStyle::SetSelected(bool value)
			{
				if(isSelected!=value)
				{
					isSelected=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			controls::GuiMenu::IStyleController* Win8MenuItemButtonStyle::CreateSubMenuStyleController()
			{
				return new Win8MenuStyle;
			}

			void Win8MenuItemButtonStyle::SetSubMenuExisting(bool value)
			{
				elements.SetSubMenuExisting(value);
			}

			void Win8MenuItemButtonStyle::SetSubMenuOpening(bool value)
			{
				if(isOpening!=value)
				{
					isOpening=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			controls::GuiButton* Win8MenuItemButtonStyle::GetSubMenuHost()
			{
				return 0;
			}

			void Win8MenuItemButtonStyle::SetImage(Ptr<GuiImageData> value)
			{
				if(value)
				{
					elements.imageElement->SetImage(value->GetImage(), value->GetFrameIndex());
				}
				else
				{
					elements.imageElement->SetImage(0, 0);
				}
			}

			void Win8MenuItemButtonStyle::SetShortcutText(const WString& value)
			{
				elements.shortcutElement->SetText(value);
			}

			void Win8MenuItemButtonStyle::Transfer(GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

/***********************************************************************
Win8MenuSplitterStyle
***********************************************************************/

			Win8MenuSplitterStyle::Win8MenuSplitterStyle()
			{
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetPreferredMinSize(Size(26, 5));
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					element->SetColor(Win8GetMenuSplitterColor());

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetPreferredMinSize(Size(1, 0));
					composition->SetOwnedElement(element);
					composition->SetAlignmentToParent(Margin(26, 0, -1, 0));
					boundsComposition->AddChild(composition);
				}
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					element->SetColor(Win8GetMenuSplitterColor());

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetPreferredMinSize(Size(0, 1));
					composition->SetOwnedElement(element);
					composition->SetAlignmentToParent(Margin(27, 2, 0, 2));
					boundsComposition->AddChild(composition);
				}
			}

			Win8MenuSplitterStyle::~Win8MenuSplitterStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8MenuSplitterStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8MenuSplitterStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void Win8MenuSplitterStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8MenuSplitterStyle::SetText(const WString& value)
			{
			}

			void Win8MenuSplitterStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8MenuSplitterStyle::SetVisuallyEnabled(bool value)
			{
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN8STYLES\GUIWIN8SCROLLABLESTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win8
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win8ScrollHandleButtonStyle
***********************************************************************/

			void Win8ScrollHandleButtonStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected)
			{
				Win8ButtonColors targetColor;
				if(enabled)
				{
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=Win8ButtonColors::ScrollHandleNormal();
						break;
					case GuiButton::Active:
						targetColor=Win8ButtonColors::ScrollHandleActive();
						break;
					case GuiButton::Pressed:
						targetColor=Win8ButtonColors::ScrollHandlePressed();
						break;
					}
				}
				else
				{
					targetColor=Win8ButtonColors::ScrollHandleDisabled();
				}
				transferringAnimation->Transfer(targetColor);
			}

			Win8ScrollHandleButtonStyle::Win8ScrollHandleButtonStyle()
				:Win8ButtonStyleBase(Win8ButtonColors::ScrollHandleNormal(), Alignment::Center, Alignment::Center)
			{
			}

			Win8ScrollHandleButtonStyle::~Win8ScrollHandleButtonStyle()
			{
			}

/***********************************************************************
Win8ScrollArrowButtonStyle
***********************************************************************/

			void Win8ScrollArrowButtonStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected)
			{
				Win8ButtonColors targetColor;
				if(enabled)
				{
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=Win8ButtonColors::ScrollArrowNormal();
						break;
					case GuiButton::Active:
						targetColor=Win8ButtonColors::ScrollArrowActive();
						break;
					case GuiButton::Pressed:
						targetColor=Win8ButtonColors::ScrollArrowPressed();
						break;
					}
				}
				else
				{
					targetColor=Win8ButtonColors::ScrollArrowDisabled();
				}
				transferringAnimation->Transfer(targetColor);
			}

			void Win8ScrollArrowButtonStyle::AfterApplyColors(const Win8ButtonColors& colors)
			{
				Win8ButtonStyleBase::AfterApplyColors(colors);
				arrowElement->SetBorderColor(colors.textColor);
				arrowElement->SetBackgroundColor(colors.textColor);
			}

			Win8ScrollArrowButtonStyle::Win8ScrollArrowButtonStyle(common_styles::CommonScrollStyle::Direction direction, bool increaseButton)
				:Win8ButtonStyleBase(Win8ButtonColors::ScrollArrowNormal(), Alignment::Center, Alignment::Center)
			{
				switch(direction)
				{
				case common_styles::CommonScrollStyle::Horizontal:
					if(increaseButton)
					{
						GetContainerComposition()->AddChild(common_styles::CommonFragmentBuilder::BuildRightArrow(arrowElement));
					}
					else
					{
						GetContainerComposition()->AddChild(common_styles::CommonFragmentBuilder::BuildLeftArrow(arrowElement));
					}
					break;
				case common_styles::CommonScrollStyle::Vertical:
					if(increaseButton)
					{
						GetContainerComposition()->AddChild(common_styles::CommonFragmentBuilder::BuildDownArrow(arrowElement));
					}
					else
					{
						GetContainerComposition()->AddChild(common_styles::CommonFragmentBuilder::BuildUpArrow(arrowElement));
					}
					break;
				}
			}

			Win8ScrollArrowButtonStyle::~Win8ScrollArrowButtonStyle()
			{
			}

/***********************************************************************
Win8ScrollStyle
***********************************************************************/

			controls::GuiButton::IStyleController* Win8ScrollStyle::CreateDecreaseButtonStyle(Direction direction)
			{
				Win8ScrollArrowButtonStyle* decreaseButtonStyle=new Win8ScrollArrowButtonStyle(direction, false);
				return decreaseButtonStyle;
			}

			controls::GuiButton::IStyleController* Win8ScrollStyle::CreateIncreaseButtonStyle(Direction direction)
			{
				Win8ScrollArrowButtonStyle* increaseButtonStyle=new Win8ScrollArrowButtonStyle(direction, true);
				return increaseButtonStyle;
			}

			controls::GuiButton::IStyleController* Win8ScrollStyle::CreateHandleButtonStyle(Direction direction)
			{
				Win8ScrollHandleButtonStyle* handleButtonStyle=new Win8ScrollHandleButtonStyle;
				return handleButtonStyle;
			}

			compositions::GuiBoundsComposition* Win8ScrollStyle::InstallBackground(compositions::GuiBoundsComposition* boundsComposition, Direction direction)
			{
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Win8GetSystemWindowColor());
					
					boundsComposition->SetOwnedElement(element);
				}

				return boundsComposition;
			}

			Win8ScrollStyle::Win8ScrollStyle(Direction _direction)
				:CommonScrollStyle(_direction)
			{
				BuildStyle(DefaultSize, ArrowSize);
			}

			Win8ScrollStyle::~Win8ScrollStyle()
			{
			}

/***********************************************************************
Win8TrackStyle
***********************************************************************/

			controls::GuiButton::IStyleController* Win8TrackStyle::CreateHandleButtonStyle(Direction direction)
			{
				Win8ButtonStyle* handleButtonStyle=new Win8ButtonStyle;
				return handleButtonStyle;
			}

			void Win8TrackStyle::InstallBackground(compositions::GuiGraphicsComposition* boundsComposition, Direction direction)
			{
				GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
				element->SetColor(Win8GetSystemWindowColor());
				boundsComposition->SetOwnedElement(element);
			}

			void Win8TrackStyle::InstallTrack(compositions::GuiGraphicsComposition* trackComposition, Direction direction)
			{
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Color(231, 234, 234));
					trackComposition->SetOwnedElement(element);
				}
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					element->SetColor(Color(214, 214, 214));
					
					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetOwnedElement(element);
					composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					trackComposition->AddChild(composition);
				}
			}

			Win8TrackStyle::Win8TrackStyle(Direction _direction)
				:CommonTrackStyle(_direction)
			{
				BuildStyle(TrackThickness, TrackPadding, HandleLong, HandleShort);
			}

			Win8TrackStyle::~Win8TrackStyle()
			{
			}

/***********************************************************************
Win8ProgressBarStyle
***********************************************************************/

			void Win8ProgressBarStyle::UpdateProgressBar()
			{
				vint max=totalSize-pageSize;
				if(position<0)
				{
					progressComposition->SetWidthPageSize(0);
				}
				else if(position>=max)
				{
					progressComposition->SetWidthPageSize(1);
				}
				else
				{
					progressComposition->SetWidthPageSize((double)position/max);
				}
			}

			Win8ProgressBarStyle::Win8ProgressBarStyle()
				:totalSize(1)
				,pageSize(0)
				,position(0)
			{
				{
					boundsComposition=new GuiBoundsComposition;
				}
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Color(230, 230, 230));

					containerComposition=new GuiBoundsComposition;
					containerComposition->SetAlignmentToParent(Margin(1, 1, 1, 1));
					containerComposition->SetOwnedElement(element);
					boundsComposition->AddChild(containerComposition);
				}
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					element->SetColor(Color(188, 188, 188));

					GuiBoundsComposition* borderComposition=new GuiBoundsComposition;
					borderComposition->SetOwnedElement(element);
					borderComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					boundsComposition->AddChild(borderComposition);
				}
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Color(6, 176, 37));

					progressComposition=new GuiPartialViewComposition;
					progressComposition->SetWidthRatio(0);
					progressComposition->SetWidthPageSize(0);
					progressComposition->SetHeightRatio(0);
					progressComposition->SetHeightPageSize(1);
					progressComposition->SetOwnedElement(element);
					containerComposition->AddChild(progressComposition);
				}
			}

			Win8ProgressBarStyle::~Win8ProgressBarStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8ProgressBarStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8ProgressBarStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win8ProgressBarStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8ProgressBarStyle::SetText(const WString& value)
			{
			}

			void Win8ProgressBarStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8ProgressBarStyle::SetVisuallyEnabled(bool value)
			{
			}

			void Win8ProgressBarStyle::SetCommandExecutor(controls::GuiScroll::ICommandExecutor* value)
			{
			}

			void Win8ProgressBarStyle::SetTotalSize(vint value)
			{
				totalSize=value;
				UpdateProgressBar();
			}

			void Win8ProgressBarStyle::SetPageSize(vint value)
			{
				pageSize=value;
				UpdateProgressBar();
			}

			void Win8ProgressBarStyle::SetPosition(vint value)
			{
				position=value;
				UpdateProgressBar();
			}

/***********************************************************************
Win8ScrollViewProvider
***********************************************************************/

			Win8ScrollViewProvider::Win8ScrollViewProvider()
			{
			}

			Win8ScrollViewProvider::~Win8ScrollViewProvider()
			{
			}

			void Win8ScrollViewProvider::AssociateStyleController(controls::GuiControl::IStyleController* controller)
			{
			}
			
			void Win8ScrollViewProvider::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8ScrollViewProvider::SetText(const WString& value)
			{
			}

			void Win8ScrollViewProvider::SetFont(const FontProperties& value)
			{
			}

			void Win8ScrollViewProvider::SetVisuallyEnabled(bool value)
			{
			}

			controls::GuiScroll::IStyleController* Win8ScrollViewProvider::CreateHorizontalScrollStyle()
			{
				return new Win8ScrollStyle(Win8ScrollStyle::Horizontal);
			}

			controls::GuiScroll::IStyleController* Win8ScrollViewProvider::CreateVerticalScrollStyle()
			{
				return new Win8ScrollStyle(Win8ScrollStyle::Vertical);
			}

			vint Win8ScrollViewProvider::GetDefaultScrollSize()
			{
				return Win8ScrollStyle::DefaultSize;
			}

			compositions::GuiGraphicsComposition* Win8ScrollViewProvider::InstallBackground(compositions::GuiBoundsComposition* boundsComposition)
			{
				GuiSolidBorderElement* border=GuiSolidBorderElement::Create();
				border->SetColor(Win8GetSystemBorderColor());
				boundsComposition->SetOwnedElement(border);
				boundsComposition->SetInternalMargin(Margin(1, 1, 1, 1));
				
				GuiSolidBackgroundElement* background=GuiSolidBackgroundElement::Create();
				background->SetColor(Win8GetSystemWindowColor());

				GuiBoundsComposition* backgroundComposition=new GuiBoundsComposition;
				boundsComposition->AddChild(backgroundComposition);
				backgroundComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				backgroundComposition->SetOwnedElement(background);

				return boundsComposition;
			}

/***********************************************************************
Win8TextBoxBackground
***********************************************************************/

#define HOST_GETTER_BY_FOCUSABLE_COMPOSITION(STYLE) (style->focusableComposition->GetRelatedGraphicsHost())

			IMPLEMENT_TRANSFERRING_ANIMATION_BASE(Win8TextBoxColors, Win8TextBoxBackground, HOST_GETTER_BY_FOCUSABLE_COMPOSITION)
			{
				colorCurrent=Win8TextBoxColors::Blend(colorBegin, colorEnd, currentPosition, totalLength);
				style->Apply(colorCurrent);
			}

			void Win8TextBoxBackground::UpdateStyle()
			{
				if(!isVisuallyEnabled)
				{
					transferringAnimation->Transfer(Win8TextBoxColors::Disabled());
				}
				else if(isFocused)
				{
					transferringAnimation->Transfer(Win8TextBoxColors::Focused());
				}
				else if(isMouseEnter)
				{
					transferringAnimation->Transfer(Win8TextBoxColors::Active());
				}
				else
				{
					transferringAnimation->Transfer(Win8TextBoxColors::Normal());
				}
			}

			void Win8TextBoxBackground::Apply(const Win8TextBoxColors& colors)
			{
				borderElement->SetColor(colors.borderColor);
				backgroundElement->SetColor(colors.backgroundColor);
			}

			void Win8TextBoxBackground::OnBoundsMouseEnter(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				isMouseEnter=true;
				UpdateStyle();
			}

			void Win8TextBoxBackground::OnBoundsMouseLeave(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				isMouseEnter=false;
				UpdateStyle();
			}

			void Win8TextBoxBackground::OnBoundsGotFocus(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				isFocused=true;
				UpdateStyle();
			}

			void Win8TextBoxBackground::OnBoundsLostFocus(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				isFocused=false;
				UpdateStyle();
			}

			Win8TextBoxBackground::Win8TextBoxBackground()
				:backgroundElement(0)
				,borderElement(0)
				,focusableComposition(0)
				,isMouseEnter(false)
				,isFocused(false)
				,isVisuallyEnabled(false)
				,styleController(0)
				,textElement(0)
			{
				transferringAnimation=new TransferringAnimation(this, Win8TextBoxColors::Normal());
			}

			Win8TextBoxBackground::~Win8TextBoxBackground()
			{
				transferringAnimation->Disable();
			}

			void Win8TextBoxBackground::AssociateStyleController(controls::GuiControl::IStyleController* controller)
			{
				styleController=controller;
			}
			
			void Win8TextBoxBackground::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				focusableComposition=value;
				focusableComposition->GetEventReceiver()->mouseEnter.AttachMethod(this, &Win8TextBoxBackground::OnBoundsMouseEnter);
				focusableComposition->GetEventReceiver()->mouseLeave.AttachMethod(this, &Win8TextBoxBackground::OnBoundsMouseLeave);
				focusableComposition->GetEventReceiver()->gotFocus.AttachMethod(this, &Win8TextBoxBackground::OnBoundsGotFocus);
				focusableComposition->GetEventReceiver()->lostFocus.AttachMethod(this, &Win8TextBoxBackground::OnBoundsLostFocus);
			}

			void Win8TextBoxBackground::SetVisuallyEnabled(bool value)
			{
				isVisuallyEnabled=value;
				UpdateStyle();
			}

			compositions::GuiGraphicsComposition* Win8TextBoxBackground::InstallBackground(compositions::GuiBoundsComposition* boundsComposition)
			{
				{
					GuiSolidBackgroundElement* background=GuiSolidBackgroundElement::Create();
					background->SetColor(Color(255, 255, 255));

					GuiBoundsComposition* backgroundComposition=new GuiBoundsComposition;
					boundsComposition->AddChild(backgroundComposition);
					backgroundComposition->SetAlignmentToParent(Margin(1, 1, 1, 1));
					backgroundComposition->SetOwnedElement(background);
				}
				{
					GuiSolidBackgroundElement* background=GuiSolidBackgroundElement::Create();
					background->SetColor(Color(255, 255, 255));

					GuiBoundsComposition* backgroundComposition=new GuiBoundsComposition;
					boundsComposition->AddChild(backgroundComposition);
					backgroundComposition->SetAlignmentToParent(Margin(2, 2, 2, 2));
					backgroundComposition->SetOwnedElement(background);
					backgroundElement=background;
				}
				{
					GuiSolidBorderElement* border=GuiSolidBorderElement::Create();
					border->SetColor(Win8GetSystemBorderColor());
					borderElement=border;

					GuiBoundsComposition* borderComposition=new GuiBoundsComposition;
					boundsComposition->AddChild(borderComposition);
					borderComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					borderComposition->SetOwnedElement(border);
				}
				Apply(Win8TextBoxColors::Normal());
				{
					GuiBoundsComposition* containerComposition=new GuiBoundsComposition;
					boundsComposition->AddChild(containerComposition);
					containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					containerComposition->SetAlignmentToParent(Margin(2, 2, 2, 2));
					return containerComposition;
				}
			}

			void Win8TextBoxBackground::InitializeTextElement(elements::GuiColorizedTextElement* _textElement)
			{
				textElement=_textElement;

				Array<text::ColorEntry> colors;
				colors.Resize(1);
				{
					colors[0]=Win8GetTextBoxTextColor();
				}
				textElement->SetColors(colors);
				textElement->SetCaretColor(Color(0, 0, 0));
			}

/***********************************************************************
Win8MultilineTextBoxProvider
***********************************************************************/

			Win8MultilineTextBoxProvider::Win8MultilineTextBoxProvider()
				:styleController(0)
			{
			}

			Win8MultilineTextBoxProvider::~Win8MultilineTextBoxProvider()
			{
			}

			void Win8MultilineTextBoxProvider::AssociateStyleController(controls::GuiControl::IStyleController* controller)
			{
				styleController=controller;
				background.AssociateStyleController(controller);
			}
			
			void Win8MultilineTextBoxProvider::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				background.SetFocusableComposition(value);
				GuiMultilineTextBox::StyleController* textBoxController=dynamic_cast<GuiMultilineTextBox::StyleController*>(styleController);
				if(textBoxController)
				{
					background.InitializeTextElement(textBoxController->GetTextElement());
				}
			}

			void Win8MultilineTextBoxProvider::SetVisuallyEnabled(bool value)
			{
				background.SetVisuallyEnabled(value);
			}

			compositions::GuiGraphicsComposition* Win8MultilineTextBoxProvider::InstallBackground(compositions::GuiBoundsComposition* boundsComposition)
			{
				return background.InstallBackground(boundsComposition);
			}

/***********************************************************************
Win8SinglelineTextBoxProvider
***********************************************************************/

			Win8SinglelineTextBoxProvider::Win8SinglelineTextBoxProvider()
				:styleController(0)
			{
			}

			Win8SinglelineTextBoxProvider::~Win8SinglelineTextBoxProvider()
			{
			}

			void Win8SinglelineTextBoxProvider::AssociateStyleController(controls::GuiControl::IStyleController* controller)
			{
				styleController=controller;
				background.AssociateStyleController(controller);
			}
			
			void Win8SinglelineTextBoxProvider::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				background.SetFocusableComposition(value);
				GuiSinglelineTextBox::StyleController* textBoxController=dynamic_cast<GuiSinglelineTextBox::StyleController*>(styleController);
				background.InitializeTextElement(textBoxController->GetTextElement());
			}

			void Win8SinglelineTextBoxProvider::SetText(const WString& value)
			{
			}

			void Win8SinglelineTextBoxProvider::SetFont(const FontProperties& value)
			{
			}

			void Win8SinglelineTextBoxProvider::SetVisuallyEnabled(bool value)
			{
				background.SetVisuallyEnabled(value);
			}

			compositions::GuiGraphicsComposition* Win8SinglelineTextBoxProvider::InstallBackground(compositions::GuiBoundsComposition* boundsComposition)
			{
				return background.InstallBackground(boundsComposition);
			}

/***********************************************************************
Win8DocumentViewerStyle
***********************************************************************/

			Win8DocumentViewerStyle::Win8DocumentViewerStyle()
			{
			}

			Win8DocumentViewerStyle::~Win8DocumentViewerStyle()
			{
			}

			Ptr<DocumentModel> Win8DocumentViewerStyle::GetBaselineDocument()
			{
				return nullptr;
			}

/***********************************************************************
Win8DocumentlabelStyle
***********************************************************************/

			Win8DocumentLabelStyle::Win8DocumentLabelStyle()
			{
			}

			Win8DocumentLabelStyle::~Win8DocumentLabelStyle()
			{
			}

			Ptr<DocumentModel> Win8DocumentLabelStyle::GetBaselineDocument()
			{
				return nullptr;
			}

/***********************************************************************
Win8DocumentTextBoxStyle
***********************************************************************/

			Win8DocumentTextBoxStyle::Win8DocumentTextBoxStyle()
			{
				boundsComposition = new GuiBoundsComposition;
				boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				containerComposition = background.InstallBackground(boundsComposition);
				background.AssociateStyleController(this);
			}

			Win8DocumentTextBoxStyle::~Win8DocumentTextBoxStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8DocumentTextBoxStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8DocumentTextBoxStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win8DocumentTextBoxStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				background.SetFocusableComposition(value);
			}

			void Win8DocumentTextBoxStyle::SetText(const WString& value)
			{
			}

			void Win8DocumentTextBoxStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8DocumentTextBoxStyle::SetVisuallyEnabled(bool value)
			{
				background.SetVisuallyEnabled(value);
			}

			Ptr<DocumentModel> Win8DocumentTextBoxStyle::GetBaselineDocument()
			{
				return nullptr;
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN8STYLES\GUIWIN8STYLESCOMMON.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win8
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win8ButtonColors
***********************************************************************/

			void Win8ButtonColors::SetAlphaWithoutText(unsigned char a)
			{
				borderColor.a=a;
				g1.a=a;
				g2.a=a;
			}

			Win8ButtonColors Win8ButtonColors::Blend(const Win8ButtonColors& c1, const Win8ButtonColors& c2, vint ratio, vint total)
			{
				if(ratio<0) ratio=0;
				else if(ratio>total) ratio=total;

				Win8ButtonColors result;
				result.borderColor=BlendColor(c1.borderColor, c2.borderColor, ratio, total);
				result.g1=BlendColor(c1.g1, c2.g1, ratio, total);
				result.g2=BlendColor(c1.g2, c2.g2, ratio, total);
				result.textColor=BlendColor(c1.textColor, c2.textColor, ratio, total);
				result.bullet=BlendColor(c1.bullet, c2.bullet, ratio, total);
				return result;
			}

			//---------------------------------------------------------

			Win8ButtonColors Win8ButtonColors::ButtonNormal()
			{
				Win8ButtonColors colors=
				{
					Color(172, 172, 172),
					Color(239, 239, 239),
					Color(229, 229, 229),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ButtonActive()
			{
				Win8ButtonColors colors=
				{
					Color(126, 180, 234),
					Color(235, 244, 252),
					Color(220, 236, 252),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ButtonPressed()
			{
				Win8ButtonColors colors=
				{
					Color(86, 157, 229),
					Color(218, 236, 252),
					Color(196, 224, 252),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ButtonDisabled()
			{
				Win8ButtonColors colors=
				{
					Color(173, 178, 181),
					Color(252, 252, 252),
					Color(252, 252, 252),
					Win8GetSystemTextColor(false),
				};
				return colors;
			}

			//---------------------------------------------------------

			Win8ButtonColors Win8ButtonColors::ItemNormal()
			{
				Win8ButtonColors colors=
				{
					Color(112, 192, 231, 0),
					Color(229, 243, 251, 0),
					Color(229, 243, 251, 0),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ItemActive()
			{
				Win8ButtonColors colors=
				{
					Color(112, 192, 231),
					Color(229, 243, 251),
					Color(229, 243, 251),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ItemSelected()
			{
				Win8ButtonColors colors=
				{
					Color(102, 167, 232),
					Color(209, 232, 255),
					Color(209, 232, 255),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ItemDisabled()
			{
				Win8ButtonColors colors=
				{
					Color(112, 192, 231, 0),
					Color(229, 243, 251, 0),
					Color(229, 243, 251, 0),
					Win8GetSystemTextColor(false),
				};
				return colors;
			}

			//---------------------------------------------------------

			Win8ButtonColors Win8ButtonColors::CheckedNormal(bool selected)
			{
				Win8ButtonColors colors=
				{
					Color(112, 112, 112),
					Color(255, 255, 255),
					Color(255, 255, 255),
					Win8GetSystemTextColor(true),
					Color(0, 0, 0),
				};
				if(!selected)
				{
					colors.bullet.a=0;
				}
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::CheckedActive(bool selected)
			{
				Win8ButtonColors colors=
				{
					Color(51, 153, 255),
					Color(243, 249, 255),
					Color(243, 249, 255),
					Win8GetSystemTextColor(true),
					Color(33, 33, 33),
				};
				if(!selected)
				{
					colors.bullet.a=0;
				}
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::CheckedPressed(bool selected)
			{
				Win8ButtonColors colors=
				{
					Color(0, 124, 222),
					Color(217, 236, 255),
					Color(217, 236, 255),
					Win8GetSystemTextColor(true),
					Color(0, 0, 0),
				};
				if(!selected)
				{
					colors.bullet.a=0;
				}
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::CheckedDisabled(bool selected)
			{
				Win8ButtonColors colors=
				{
					Color(188, 188, 188),
					Color(230, 230, 230),
					Color(230, 230, 230),
					Win8GetSystemTextColor(false),
					Color(112, 112, 112),
				};
				if(!selected)
				{
					colors.bullet.a=0;
				}
				return colors;
			}

			//---------------------------------------------------------

			Win8ButtonColors Win8ButtonColors::ToolstripButtonNormal()
			{
				Win8ButtonColors colors=
				{
					Win8GetSystemWindowColor(),
					Win8GetSystemWindowColor(),
					Win8GetSystemWindowColor(),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ToolstripButtonActive()
			{
				Win8ButtonColors colors=
				{
					Color(120, 174, 229),
					Color(209, 226, 242),
					Color(209, 226, 242),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ToolstripButtonPressed()
			{
				Win8ButtonColors colors=
				{
					Color(96, 161, 226),
					Color(180, 212, 244),
					Color(180, 212, 244),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ToolstripButtonSelected()
			{
				Win8ButtonColors colors=
				{
					Color(96, 161, 226),
					Color(233, 241, 250),
					Color(233, 241, 250),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ToolstripButtonDisabled()
			{
				Win8ButtonColors colors=
				{
					Win8GetSystemWindowColor(),
					Win8GetSystemWindowColor(),
					Win8GetSystemWindowColor(),
					Win8GetSystemTextColor(false),
				};
				return colors;
			}

			//---------------------------------------------------------

			Win8ButtonColors Win8ButtonColors::ScrollHandleNormal()
			{
				Win8ButtonColors colors=
				{
					Color(205, 205, 205),
					Color(205, 205, 205),
					Color(205, 205, 205),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ScrollHandleActive()
			{
				Win8ButtonColors colors=
				{
					Color(166, 166, 166),
					Color(166, 166, 166),
					Color(166, 166, 166),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ScrollHandlePressed()
			{
				Win8ButtonColors colors=
				{
					Color(166, 166, 166),
					Color(166, 166, 166),
					Color(166, 166, 166),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ScrollHandleDisabled()
			{
				Win8ButtonColors colors=
				{
					Win8GetSystemWindowColor(),
					Win8GetSystemWindowColor(),
					Win8GetSystemWindowColor(),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ScrollArrowNormal()
			{
				Win8ButtonColors colors=
				{
					Win8GetSystemWindowColor(),
					Win8GetSystemWindowColor(),
					Win8GetSystemWindowColor(),
					Color(96, 96, 96),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ScrollArrowActive()
			{
				Win8ButtonColors colors=
				{
					Color(218, 218, 218),
					Color(218, 218, 218),
					Color(218, 218, 218),
					Color(0, 0, 0),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ScrollArrowPressed()
			{
				Win8ButtonColors colors=
				{
					Color(96, 96, 96),
					Color(96, 96, 96),
					Color(96, 96, 96),
					Color(255, 255, 255),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::ScrollArrowDisabled()
			{
				Win8ButtonColors colors=
				{
					Win8GetSystemWindowColor(),
					Win8GetSystemWindowColor(),
					Win8GetSystemWindowColor(),
					Color(191, 191, 191),
				};
				return colors;
			}

			//---------------------------------------------------------

			Win8ButtonColors Win8ButtonColors::MenuBarButtonNormal()
			{
				Win8ButtonColors colors=
				{
					Color(245, 246, 247),
					Color(245, 246, 247),
					Color(245, 246, 247),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::MenuBarButtonActive()
			{
				Win8ButtonColors colors=
				{
					Color(122, 177, 232),
					Color(213, 231, 248),
					Color(213, 231, 248),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::MenuBarButtonPressed()
			{
				Win8ButtonColors colors=
				{
					Color(98, 163, 229),
					Color(184, 216, 249),
					Color(184, 216, 249),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::MenuBarButtonDisabled()
			{
				Win8ButtonColors colors=
				{
					Color(245, 246, 247),
					Color(245, 246, 247),
					Color(245, 246, 247),
					Win8GetSystemTextColor(false),
				};
				return colors;
			}

			//---------------------------------------------------------

			Win8ButtonColors Win8ButtonColors::MenuItemButtonNormal()
			{
				Win8ButtonColors colors=
				{
					Color(240, 240, 240),
					Color(240, 240, 240),
					Color(240, 240, 240),
					Win8GetSystemTextColor(true),
					Win8GetMenuSplitterColor(),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::MenuItemButtonNormalActive()
			{
				Win8ButtonColors colors=
				{
					Color(120, 174, 229),
					Color(209, 226, 242),
					Color(209, 226, 242),
					Win8GetSystemTextColor(true),
					Color(187, 204, 220),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::MenuItemButtonSelected()
			{
				Win8ButtonColors colors=
				{
					Color(120, 174, 229),
					Color(233, 241, 250),
					Color(233, 241, 250),
					Win8GetSystemTextColor(true),
					Color(233, 241, 250),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::MenuItemButtonSelectedActive()
			{
				Win8ButtonColors colors=
				{
					Color(120, 174, 229),
					Color(233, 241, 250),
					Color(233, 241, 250),
					Win8GetSystemTextColor(true),
					Color(187, 204, 220),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::MenuItemButtonDisabled()
			{
				Win8ButtonColors colors=
				{
					Color(240, 240, 240),
					Color(240, 240, 240),
					Color(240, 240, 240),
					Win8GetSystemTextColor(false),
					Win8GetMenuSplitterColor(),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::MenuItemButtonDisabledActive()
			{
				Win8ButtonColors colors=
				{
					Color(120, 174, 229),
					Color(209, 226, 242),
					Color(209, 226, 242),
					Win8GetSystemTextColor(false),
					Win8GetMenuSplitterColor(),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::TabPageHeaderNormal()
			{
				Win8ButtonColors colors=
				{
					Color(172, 172, 172),
					Color(239, 239, 239),
					Color(229, 229, 229),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::TabPageHeaderActive()
			{
				Win8ButtonColors colors=
				{
					Color(126, 180, 234),
					Color(236, 244, 252),
					Color(221, 237, 252),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

			Win8ButtonColors Win8ButtonColors::TabPageHeaderSelected()
			{
				Win8ButtonColors colors=
				{
					Color(172, 172, 172),
					Color(255, 255, 255),
					Color(255, 255, 255),
					Win8GetSystemTextColor(true),
				};
				return colors;
			}

/***********************************************************************
Win8ButtonElements
***********************************************************************/

			Win8ButtonElements Win8ButtonElements::Create(Alignment horizontal, Alignment vertical)
			{
				Win8ButtonElements button;
				{
					button.mainComposition=new GuiBoundsComposition;
					button.mainComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				}
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					button.rectBorderElement=element;

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					button.mainComposition->AddChild(composition);
					composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					composition->SetOwnedElement(element);
				}
				{
					GuiGradientBackgroundElement* element=GuiGradientBackgroundElement::Create();
					button.backgroundElement=element;
					element->SetDirection(GuiGradientBackgroundElement::Vertical);
					element->SetShape(ElementShape::Rectangle);

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					button.backgroundComposition=composition;
					button.mainComposition->AddChild(composition);
					composition->SetAlignmentToParent(Margin(1, 1, 1, 1));
					composition->SetOwnedElement(element);
				}
				{
					Win8CreateSolidLabelElement(button.textElement, button.textComposition, horizontal, vertical);
					button.mainComposition->AddChild(button.textComposition);
				}
				return button;
			}

			void Win8ButtonElements::Apply(const Win8ButtonColors& colors)
			{
				if(rectBorderElement)
				{
					rectBorderElement->SetColor(colors.borderColor);
				}
				backgroundElement->SetColors(colors.g1, colors.g2);
				textElement->SetColor(colors.textColor);
			}

/***********************************************************************
Win8CheckedButtonElements
***********************************************************************/

			Win8CheckedButtonElements Win8CheckedButtonElements::Create(elements::ElementShape shape, bool backgroundVisible)
			{
				const vint checkSize=13;
				const vint checkPadding=2;

				Win8CheckedButtonElements button;
				{
					button.mainComposition=new GuiBoundsComposition;
					button.mainComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				}
				{
					GuiTableComposition* mainTable=new GuiTableComposition;
					button.mainComposition->AddChild(mainTable);
					if(backgroundVisible)
					{
						GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
						element->SetColor(Win8GetSystemWindowColor());
						mainTable->SetOwnedElement(element);
					}
					mainTable->SetRowsAndColumns(1, 2);
					mainTable->SetAlignmentToParent(Margin(0, 0, 0, 0));
					mainTable->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
					mainTable->SetColumnOption(0, GuiCellOption::AbsoluteOption(checkSize+2*checkPadding));
					mainTable->SetColumnOption(1, GuiCellOption::PercentageOption(1.0));
					
					{
						GuiCellComposition* cell=new GuiCellComposition;
						mainTable->AddChild(cell);
						cell->SetSite(0, 0, 1, 1);

						GuiTableComposition* table=new GuiTableComposition;
						cell->AddChild(table);
						table->SetRowsAndColumns(3, 1);
						table->SetAlignmentToParent(Margin(0, 0, 0, 0));
						table->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
						table->SetRowOption(1, GuiCellOption::MinSizeOption());
						table->SetRowOption(2, GuiCellOption::PercentageOption(0.5));

						{
							GuiCellComposition* checkCell=new GuiCellComposition;
							table->AddChild(checkCell);
							checkCell->SetSite(1, 0, 1, 1);
							{
								GuiBoundsComposition* borderBounds=new GuiBoundsComposition;
								checkCell->AddChild(borderBounds);
								borderBounds->SetAlignmentToParent(Margin(checkPadding, -1, checkPadding, -1));
								borderBounds->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
								{
									GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
									button.bulletBorderElement=element;
									element->SetShape(shape);

									GuiBoundsComposition* bounds=new GuiBoundsComposition;
									borderBounds->AddChild(bounds);
									bounds->SetOwnedElement(element);
									bounds->SetAlignmentToParent(Margin(0, 0, 0, 0));
									bounds->SetBounds(Rect(Point(0, 0), Size(checkSize, checkSize)));
								}
								{
									GuiGradientBackgroundElement* element=GuiGradientBackgroundElement::Create();
									button.bulletBackgroundElement=element;
									element->SetShape(shape);
									element->SetDirection(GuiGradientBackgroundElement::Vertical);

									GuiBoundsComposition* bounds=new GuiBoundsComposition;
									borderBounds->AddChild(bounds);
									bounds->SetOwnedElement(element);
									bounds->SetAlignmentToParent(Margin(1, 1, 1, 1));
								}
							}

							button.bulletCheckElement=0;
							button.bulletRadioElement=0;
							if(shape==ElementShape::Rectangle)
							{
								button.bulletCheckElement=GuiSolidLabelElement::Create();
								{
									FontProperties font;
									font.fontFamily=L"Webdings";
									font.size=16;
									font.bold=true;
									button.bulletCheckElement->SetFont(font);
								}
								button.bulletCheckElement->SetText(L"a");
								button.bulletCheckElement->SetAlignments(Alignment::Center, Alignment::Center);

								GuiBoundsComposition* composition=new GuiBoundsComposition;
								composition->SetOwnedElement(button.bulletCheckElement);
								composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
								checkCell->AddChild(composition);
							}
							else
							{
								button.bulletRadioElement=GuiSolidBackgroundElement::Create();
								button.bulletRadioElement->SetShape(ElementShape::Ellipse);

								GuiBoundsComposition* composition=new GuiBoundsComposition;
								composition->SetOwnedElement(button.bulletRadioElement);
								composition->SetAlignmentToParent(Margin(checkPadding+3, 3, checkPadding+3, 3));
								checkCell->AddChild(composition);
							}
						}
					}

					{
						GuiCellComposition* textCell=new GuiCellComposition;
						mainTable->AddChild(textCell);
						textCell->SetSite(0, 1, 1, 1);
						{
							Win8CreateSolidLabelElement(button.textElement, button.textComposition, Alignment::Left, Alignment::Center);
							textCell->AddChild(button.textComposition);
						}
					}
				}
				return button;
			}

			void Win8CheckedButtonElements::Apply(const Win8ButtonColors& colors)
			{
				bulletBorderElement->SetColor(colors.borderColor);
				bulletBackgroundElement->SetColors(colors.g1, colors.g2);
				textElement->SetColor(colors.textColor);
				if(bulletCheckElement)
				{
					bulletCheckElement->SetColor(colors.bullet);
				}
				if(bulletRadioElement)
				{
					bulletRadioElement->SetColor(colors.bullet);
				}
			}

/***********************************************************************
Win8MenuItemButtonElements
***********************************************************************/

			Win8MenuItemButtonElements Win8MenuItemButtonElements::Create()
			{
				Win8MenuItemButtonElements button;
				{
					button.mainComposition=new GuiBoundsComposition;
					button.mainComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				}
				{
					GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
					button.borderElement=element;

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					button.mainComposition->AddChild(composition);
					composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					composition->SetOwnedElement(element);
				}
				{
					GuiGradientBackgroundElement* element=GuiGradientBackgroundElement::Create();
					button.backgroundElement=element;
					element->SetDirection(GuiGradientBackgroundElement::Vertical);

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					button.mainComposition->AddChild(composition);
					composition->SetAlignmentToParent(Margin(1, 1, 1, 1));
					composition->SetOwnedElement(element);
				}
				{
					GuiTableComposition* table=new GuiTableComposition;
					button.mainComposition->AddChild(table);
					table->SetAlignmentToParent(Margin(2, 0, 2, 0));
					table->SetRowsAndColumns(1, 5);

					table->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
					table->SetColumnOption(0, GuiCellOption::AbsoluteOption(24));
					table->SetColumnOption(1, GuiCellOption::AbsoluteOption(1));
					table->SetColumnOption(2, GuiCellOption::PercentageOption(1.0));
					table->SetColumnOption(3, GuiCellOption::MinSizeOption());
					table->SetColumnOption(4, GuiCellOption::AbsoluteOption(10));
					
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 0, 1, 1);
						button.splitterComposition=cell;

						GuiImageFrameElement* element=GuiImageFrameElement::Create();
						button.imageElement=element;
						element->SetStretch(false);
						element->SetAlignments(Alignment::Center, Alignment::Center);
						cell->SetOwnedElement(element);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 1, 1);
						button.splitterComposition=cell;

						GuiSolidBorderElement* element=GuiSolidBorderElement::Create();
						button.splitterElement=element;
						cell->SetOwnedElement(element);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 2, 1, 1);

						Win8CreateSolidLabelElement(button.textElement, button.textComposition, L"MenuItem-Text", Alignment::Left, Alignment::Center);
						cell->AddChild(button.textComposition);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 3, 1, 1);

						Win8CreateSolidLabelElement(button.shortcutElement, button.shortcutComposition, L"MenuItem-Shortcut", Alignment::Right, Alignment::Center);
						cell->AddChild(button.shortcutComposition);
					}
					{
						button.subMenuArrowElement=common_styles::CommonFragmentBuilder::BuildRightArrow();

						GuiCellComposition* cell=new GuiCellComposition;
						button.subMenuArrowComposition=cell;
						cell->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
						table->AddChild(cell);
						cell->SetSite(0, 4, 1, 1);
						cell->SetOwnedElement(button.subMenuArrowElement);
						cell->SetVisible(false);
					}
				}
				return button;
			}

			void Win8MenuItemButtonElements::Apply(const Win8ButtonColors& colors)
			{
				borderElement->SetColor(colors.borderColor);
				backgroundElement->SetColors(colors.g1, colors.g2);
				splitterElement->SetColor(colors.bullet);
				textElement->SetColor(colors.textColor);
				shortcutElement->SetColor(colors.textColor);
				subMenuArrowElement->SetBackgroundColor(colors.textColor);
				subMenuArrowElement->SetBorderColor(colors.textColor);
			}

			void Win8MenuItemButtonElements::SetActive(bool value)
			{
				if(value)
				{
					splitterComposition->SetMargin(Margin(0, 1, 0, 2));
				}
				else
				{
					splitterComposition->SetMargin(Margin(0, 0, 0, 0));
				}
			}

			void Win8MenuItemButtonElements::SetSubMenuExisting(bool value)
			{
				subMenuArrowComposition->SetVisible(value);
			}

/***********************************************************************
Win8TextBoxColors
***********************************************************************/

			Win8TextBoxColors Win8TextBoxColors::Blend(const Win8TextBoxColors& c1, const Win8TextBoxColors& c2, vint ratio, vint total)
			{
				if(ratio<0) ratio=0;
				else if(ratio>total) ratio=total;

				Win8TextBoxColors result;
				result.borderColor=BlendColor(c1.borderColor, c2.borderColor, ratio, total);
				result.backgroundColor=BlendColor(c1.backgroundColor, c2.backgroundColor, ratio, total);
				return result;
			}
			
			Win8TextBoxColors Win8TextBoxColors::Normal()
			{
				Win8TextBoxColors result=
				{
					Color(171, 173, 179),
					Color(255, 255, 255),
				};
				return result;
			}

			Win8TextBoxColors Win8TextBoxColors::Active()
			{
				Win8TextBoxColors result=
				{
					Color(126, 180, 234),
					Color(255, 255, 255),
				};
				return result;
			}

			Win8TextBoxColors Win8TextBoxColors::Focused()
			{
				Win8TextBoxColors result=
				{
					Color(86, 157, 229),
					Color(255, 255, 255),
				};
				return result;
			}

			Win8TextBoxColors Win8TextBoxColors::Disabled()
			{
				Win8TextBoxColors result=
				{
					Color(217, 217, 217),
					Win8GetSystemWindowColor(),
				};
				return result;
			}

/***********************************************************************
Helpers
***********************************************************************/

			Color Win8GetSystemWindowColor()
			{
				return Color(240, 240, 240);
			}
			
			Color Win8GetSystemTabContentColor()
			{
				return Color(255, 255, 255);
			}

			Color Win8GetSystemBorderColor()
			{
				return Color(171, 173, 179);
			}

			Color Win8GetSystemTextColor(bool enabled)
			{
				return enabled?Color(0, 0, 0):Color(131, 131, 131);
			}

			Color Win8GetMenuBorderColor()
			{
				return Color(151, 151, 151);
			}

			Color Win8GetMenuSplitterColor()
			{
				return Color(215, 215, 215);
			}

			void Win8SetFont(GuiSolidLabelElement* element, GuiBoundsComposition* composition, const FontProperties& fontProperties)
			{
				vint margin=3;
				element->SetFont(fontProperties);
				composition->SetMargin(Margin(margin, margin, margin, margin));
			}

			void Win8CreateSolidLabelElement(GuiSolidLabelElement*& element, GuiBoundsComposition*& composition, Alignment horizontal, Alignment vertical)
			{
				element=GuiSolidLabelElement::Create();
				element->SetAlignments(horizontal, vertical);

				composition=new GuiBoundsComposition;
				composition->SetOwnedElement(element);
				composition->SetMargin(Margin(0, 0, 0, 0));
				composition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
			}

			void Win8CreateSolidLabelElement(elements::GuiSolidLabelElement*& element, compositions::GuiSharedSizeItemComposition*& composition, const WString& group, Alignment horizontal, Alignment vertical)
			{
				element=GuiSolidLabelElement::Create();
				element->SetAlignments(horizontal, vertical);

				composition=new GuiSharedSizeItemComposition;
				composition->SetGroup(group);
				composition->SetSharedWidth(true);
				composition->SetOwnedElement(element);
				composition->SetMargin(Margin(0, 0, 0, 0));
				composition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				composition->SetAlignmentToParent(Margin(0, 0, 0, 0));
			}

			elements::text::ColorEntry Win8GetTextBoxTextColor()
			{
				elements::text::ColorEntry entry;
				entry.normal.text=Color(0, 0, 0);
				entry.normal.background=Color(0, 0, 0, 0);
				entry.selectedFocused.text=Color(255, 255, 255);
				entry.selectedFocused.background=Color(51, 153, 255);
				entry.selectedUnfocused.text=Color(255, 255, 255);
				entry.selectedUnfocused.background=Color(51, 153, 255);
				return entry;
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN8STYLES\GUIWIN8TABSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win8
		{
			using namespace controls;

/***********************************************************************
Win8TabPageHeaderStyle
***********************************************************************/

			void Win8TabPageHeaderStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected)
			{
				if(selected)
				{
					transferringAnimation->Transfer(Win8ButtonColors::TabPageHeaderSelected());
				}
				else
				{
					switch(value)
					{
					case GuiButton::Normal:
						transferringAnimation->Transfer(Win8ButtonColors::TabPageHeaderNormal());
						break;
					case GuiButton::Active:
					case GuiButton::Pressed:
						transferringAnimation->Transfer(Win8ButtonColors::TabPageHeaderActive());
						break;
					}
				}
			}

			Win8TabPageHeaderStyle::Win8TabPageHeaderStyle()
				:Win8ButtonStyleBase(Win8ButtonColors::TabPageHeaderNormal(), Alignment::Left, Alignment::Center)
			{
				transferringAnimation->SetEnableAnimation(false);
				{
					Margin margin=elements.backgroundComposition->GetAlignmentToParent();
					margin.bottom=0;
					elements.backgroundComposition->SetAlignmentToParent(margin);
				}
			}

			Win8TabPageHeaderStyle::~Win8TabPageHeaderStyle()
			{
			}

			void Win8TabPageHeaderStyle::SetFont(const FontProperties& value)
			{
				Win8ButtonStyleBase::SetFont(value);
				Margin margin=elements.textComposition->GetMargin();
				margin.left*=2;
				margin.right*=2;
				elements.textComposition->SetMargin(margin);
			}

/***********************************************************************
Win8TabStyle
***********************************************************************/

			controls::GuiSelectableButton::IStyleController* Win8TabStyle::CreateHeaderStyleController()
			{
				return new Win8TabPageHeaderStyle;
			}

			controls::GuiButton::IStyleController* Win8TabStyle::CreateMenuButtonStyleController()
			{
				return new Win8ButtonStyle;
			}

			controls::GuiToolstripMenu::IStyleController* Win8TabStyle::CreateMenuStyleController()
			{
				return new Win8MenuStyle;
			}

			controls::GuiToolstripButton::IStyleController* Win8TabStyle::CreateMenuItemStyleController()
			{
				return new Win8MenuItemButtonStyle;
			}

			Color Win8TabStyle::GetBorderColor()
			{
				return Win8ButtonColors::TabPageHeaderNormal().borderColor;
			}

			Color Win8TabStyle::GetBackgroundColor()
			{
				return Win8GetSystemTabContentColor();
			}

			Win8TabStyle::Win8TabStyle()
				:Win7TabStyle(false)
			{
				Initialize();
			}

			Win8TabStyle::~Win8TabStyle()
			{
			}
		}
	}
}

/***********************************************************************
CONTROLS\STYLES\WIN8STYLES\GUIWIN8TOOLSTRIPSTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace win8
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;
			using namespace controls;

/***********************************************************************
Win8WindowStyle
***********************************************************************/

			Win8ToolstripToolBarStyle::Win8ToolstripToolBarStyle()
			{
				{
					GuiSolidBackgroundElement* element=GuiSolidBackgroundElement::Create();
					element->SetColor(Win8GetSystemWindowColor());
				
					boundsComposition=new GuiBoundsComposition;
					boundsComposition->SetOwnedElement(element);
					boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				}
				{
					Gui3DSplitterElement* element=Gui3DSplitterElement::Create();
					element->SetColors(Color(160, 160, 160), Color(255, 255, 255));
					element->SetDirection(Gui3DSplitterElement::Horizontal);

					GuiBoundsComposition* composition=new GuiBoundsComposition;
					composition->SetPreferredMinSize(Size(0, 2));
					composition->SetAlignmentToParent(Margin(0, 0, 0, -1));
					composition->SetOwnedElement(element);
					boundsComposition->AddChild(composition);
				}
				{
					containerComposition=new GuiBoundsComposition;
					containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					containerComposition->SetAlignmentToParent(Margin(0, 2, 0, 0));
					boundsComposition->AddChild(containerComposition);
				}
			}

			Win8ToolstripToolBarStyle::~Win8ToolstripToolBarStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8ToolstripToolBarStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8ToolstripToolBarStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win8ToolstripToolBarStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8ToolstripToolBarStyle::SetText(const WString& value)
			{
			}

			void Win8ToolstripToolBarStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8ToolstripToolBarStyle::SetVisuallyEnabled(bool value)
			{
			}

/***********************************************************************
Win8ToolstripButtonDropdownStyle
***********************************************************************/

			void Win8ToolstripButtonDropdownStyle::TransferInternal(controls::GuiButton::ControlState value, bool enabled)
			{
				splitterComposition->SetVisible(value!=GuiButton::Normal && enabled);
			}

			Win8ToolstripButtonDropdownStyle::Win8ToolstripButtonDropdownStyle()
				:isVisuallyEnabled(false)
				,controlState(GuiButton::Normal)
			{
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				{
					GuiSolidBorderElement* splitterElement=GuiSolidBorderElement::Create();
					splitterElement->SetColor(Color(132, 132, 132));

					splitterComposition=new GuiBoundsComposition;
					splitterComposition->SetAlignmentToParent(Margin(0, 3, -1, 3));
					splitterComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
					splitterComposition->SetOwnedElement(splitterElement);
					splitterComposition->SetPreferredMinSize(Size(1, 0));
					splitterComposition->SetVisible(false);
					boundsComposition->AddChild(splitterComposition);
				}
				{
					containerComposition=new GuiBoundsComposition;
					containerComposition->SetAlignmentToParent(Margin(4, 0, 4, 0));
					containerComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					boundsComposition->AddChild(containerComposition);
				}
			}

			Win8ToolstripButtonDropdownStyle::~Win8ToolstripButtonDropdownStyle()
			{
			}
				
			compositions::GuiBoundsComposition* Win8ToolstripButtonDropdownStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8ToolstripButtonDropdownStyle::GetContainerComposition()
			{
				return containerComposition;
			}

			void Win8ToolstripButtonDropdownStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8ToolstripButtonDropdownStyle::SetText(const WString& value)
			{
			}

			void Win8ToolstripButtonDropdownStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8ToolstripButtonDropdownStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					TransferInternal(controlState, isVisuallyEnabled);
				}
			}

			void Win8ToolstripButtonDropdownStyle::Transfer(controls::GuiButton::ControlState value)
			{
				if(controlState!=value)
				{
					controlState=value;
					TransferInternal(controlState, isVisuallyEnabled);
				}
			}

/***********************************************************************
Win8ToolstripButtonStyle
***********************************************************************/

			IMPLEMENT_TRANSFERRING_ANIMATION(Win8ButtonColors, Win8ToolstripButtonStyle)
			{
				colorCurrent=Win8ButtonColors::Blend(colorBegin, colorEnd, currentPosition, totalLength);
				style->elements.Apply(colorCurrent);
			}

			void Win8ToolstripButtonStyle::TransferInternal(GuiButton::ControlState value, bool enabled, bool selected, bool menuOpening)
			{
				Win8ButtonColors targetColor;
				if(enabled)
				{
					if(menuOpening)
					{
						value=GuiButton::Pressed;
					}
					switch(value)
					{
					case GuiButton::Normal:
						targetColor=selected?Win8ButtonColors::ToolstripButtonSelected():Win8ButtonColors::ToolstripButtonNormal();
						break;
					case GuiButton::Active:
						targetColor=selected?Win8ButtonColors::ToolstripButtonSelected():Win8ButtonColors::ToolstripButtonActive();
						break;
					case GuiButton::Pressed:
						targetColor=Win8ButtonColors::ToolstripButtonPressed();
						break;
					}
				}
				else
				{
					targetColor=Win8ButtonColors::ToolstripButtonDisabled();
				}
				transferringAnimation->Transfer(targetColor);
			}

			Win8ToolstripButtonStyle::Win8ToolstripButtonStyle(ButtonStyle _buttonStyle)
				:controlStyle(GuiButton::Normal)
				,isVisuallyEnabled(true)
				,isSelected(false)
				,isOpening(false)
				,buttonStyle(_buttonStyle)
				,subMenuHost(0)
			{
				elements=Win8ButtonElements::Create(Alignment::Center, Alignment::Center);
				elements.Apply(Win8ButtonColors::ToolstripButtonNormal());
				transferringAnimation=new TransferringAnimation(this, Win8ButtonColors::ToolstripButtonNormal());

				elements.textComposition->SetMinSizeLimitation(GuiGraphicsComposition::NoLimit);
				imageElement=GuiImageFrameElement::Create();
				imageComposition=new GuiBoundsComposition;
				imageComposition->SetOwnedElement(imageElement);
				imageComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				imageComposition->SetAlignmentToParent(Margin(4, 4, 4, 4));

				if(_buttonStyle==CommandButton)
				{
					GetContainerComposition()->AddChild(imageComposition);
				}
				else
				{
					GuiTableComposition* table=new GuiTableComposition;
					table->SetAlignmentToParent(Margin(0, 0, 0, 0));
					table->SetRowsAndColumns(1, 2);
					table->SetRowOption(0, GuiCellOption::PercentageOption(1.0));
					table->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
					table->SetColumnOption(1, GuiCellOption::MinSizeOption());

					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 0, 1, 1);

						cell->AddChild(imageComposition);
					}
					{
						GuiCellComposition* cell=new GuiCellComposition;
						table->AddChild(cell);
						cell->SetSite(0, 1, 1, 1);
						GuiPolygonElement* arrow=0;
						GuiBoundsComposition* arrowComposition=common_styles::CommonFragmentBuilder::BuildDownArrow(arrow);

						switch(_buttonStyle)
						{
						case DropdownButton:
							{
								arrowComposition->SetAlignmentToParent(Margin(0, 0, 4, 0));
								cell->AddChild(arrowComposition);
							}
							break;
						case SplitButton:
							{

								subMenuHost=new GuiButton(new Win8ToolstripButtonDropdownStyle);
								subMenuHost->GetContainerComposition()->AddChild(arrowComposition);
								subMenuHost->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
								cell->AddChild(subMenuHost->GetBoundsComposition());
							}
							break;
						default:;
						}
					}
					GetContainerComposition()->AddChild(table);
				}
			}

			Win8ToolstripButtonStyle::~Win8ToolstripButtonStyle()
			{
				transferringAnimation->Disable();
			}

			compositions::GuiBoundsComposition* Win8ToolstripButtonStyle::GetBoundsComposition()
			{
				return elements.mainComposition;
			}

			compositions::GuiGraphicsComposition* Win8ToolstripButtonStyle::GetContainerComposition()
			{
				return elements.mainComposition;
			}

			void Win8ToolstripButtonStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8ToolstripButtonStyle::SetText(const WString& value)
			{
			}

			void Win8ToolstripButtonStyle::SetFont(const FontProperties& value)
			{
				Win8SetFont(elements.textElement, elements.textComposition, value);
			}

			void Win8ToolstripButtonStyle::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					imageElement->SetEnabled(value);
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			void Win8ToolstripButtonStyle::SetSelected(bool value)
			{
				if(isSelected!=value)
				{
					isSelected=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			controls::GuiMenu::IStyleController* Win8ToolstripButtonStyle::CreateSubMenuStyleController()
			{
				return new Win8MenuStyle;
			}

			void Win8ToolstripButtonStyle::SetSubMenuExisting(bool value)
			{
			}

			void Win8ToolstripButtonStyle::SetSubMenuOpening(bool value)
			{
				if(isOpening!=value)
				{
					isOpening=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

			controls::GuiButton* Win8ToolstripButtonStyle::GetSubMenuHost()
			{
				return subMenuHost;
			}

			void Win8ToolstripButtonStyle::SetImage(Ptr<GuiImageData> value)
			{
				if(value)
				{
					imageElement->SetImage(value->GetImage(), value->GetFrameIndex());
				}
				else
				{
					imageElement->SetImage(0, 0);
				}
			}

			void Win8ToolstripButtonStyle::SetShortcutText(const WString& value)
			{
			}

			void Win8ToolstripButtonStyle::Transfer(controls::GuiButton::ControlState value)
			{
				if(controlStyle!=value)
				{
					controlStyle=value;
					TransferInternal(controlStyle, isVisuallyEnabled, isSelected, isOpening);
				}
			}

/***********************************************************************
Win8ToolstripSplitterStyle
***********************************************************************/

			Win8ToolstripSplitterStyle::Win8ToolstripSplitterStyle()
			{
				GuiBoundsComposition* bounds=new GuiBoundsComposition;
				bounds->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				boundsComposition=bounds;

				GuiSolidBackgroundElement* backgroundElement=GuiSolidBackgroundElement::Create();
				bounds->SetOwnedElement(backgroundElement);
				backgroundElement->SetColor(Win8GetSystemWindowColor());

				GuiBoundsComposition* splitterComposition=new GuiBoundsComposition;
				bounds->AddChild(splitterComposition);
				splitterComposition->SetPreferredMinSize(Size(1, 0));
				splitterComposition->SetAlignmentToParent(Margin(3, 3, 3, 3));

				GuiSolidBorderElement* splitterElement=GuiSolidBorderElement::Create();
				splitterComposition->SetOwnedElement(splitterElement);
				splitterElement->SetColor(Color(132, 132, 132));
			}

			Win8ToolstripSplitterStyle::~Win8ToolstripSplitterStyle()
			{
			}

			compositions::GuiBoundsComposition* Win8ToolstripSplitterStyle::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* Win8ToolstripSplitterStyle::GetContainerComposition()
			{
				return boundsComposition;
			}

			void Win8ToolstripSplitterStyle::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
			}

			void Win8ToolstripSplitterStyle::SetText(const WString& value)
			{
			}

			void Win8ToolstripSplitterStyle::SetFont(const FontProperties& value)
			{
			}

			void Win8ToolstripSplitterStyle::SetVisuallyEnabled(bool value)
			{
			}
		}
	}
}

/***********************************************************************
CONTROLS\TEMPLATES\GUICONTROLTEMPLATES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace templates
		{
			using namespace description;
			using namespace collections;
			using namespace controls;
			using namespace compositions;

/***********************************************************************
GuiTemplate::IFactory
***********************************************************************/

			class GuiTemplateReflectableFactory : public Object, public virtual GuiTemplate::IFactory
			{
			protected:
				List<ITypeDescriptor*>			types;

			public:
				GuiTemplateReflectableFactory(const List<ITypeDescriptor*>& _types)
				{
					CopyFrom(types, _types);
				}

				GuiTemplate* CreateTemplate(const description::Value& viewModel)override
				{
					FOREACH(ITypeDescriptor*, type, types)
					{
						auto group = type->GetConstructorGroup();
						vint count = group->GetMethodCount();
						for (vint i = 0; i < count; i++)
						{
							auto ctor = group->GetMethod(i);
							if (ctor->GetReturn()->GetDecorator() == ITypeInfo::RawPtr && ctor->GetParameterCount() <= 1)
							{
								Array<Value> arguments(ctor->GetParameterCount());
								if (ctor->GetParameterCount() == 1)
								{
									if (!viewModel.CanConvertTo(ctor->GetParameter(0)->GetType()))
									{
										continue;
									}
									arguments[0] = viewModel;
								}
								return dynamic_cast<GuiTemplate*>(ctor->Invoke(Value(), arguments).GetRawPtr());
							}
						}
					}
					
					WString message = L"Unable to create a template from types {";
					FOREACH_INDEXER(ITypeDescriptor*, type, index, types)
					{
						if (index > 0) message += L", ";
						message += type->GetTypeName();
					}
					message += L"} using view model: ";
					if (viewModel.IsNull())
					{
						message += L"null.";
					}
					else
					{
						message += viewModel.GetTypeDescriptor()->GetTypeName() + L".";
					}

					throw ArgumentException(message);
				}
			};

			Ptr<GuiTemplate::IFactory> GuiTemplate::IFactory::CreateTemplateFactory(const collections::List<description::ITypeDescriptor*>& types)
			{
				return new GuiTemplateReflectableFactory(types);
			}

/***********************************************************************
GuiTemplate
***********************************************************************/

			GuiTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiTemplate::GuiTemplate()
				:VisuallyEnabled_(true)
			{
				GuiTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiTemplate::~GuiTemplate()
			{
				FinalizeInstance();
			}

/***********************************************************************
GuiControlTemplate
***********************************************************************/

			GuiControlTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiControlTemplate::GuiControlTemplate()
				:ContainerComposition_(this)
				, FocusableComposition_(0)
			{
				GuiControlTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiControlTemplate::~GuiControlTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiLabelTemplate
***********************************************************************/

			GuiLabelTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiLabelTemplate::GuiLabelTemplate()
			{
				GuiLabelTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiLabelTemplate::~GuiLabelTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiSinglelineTextBoxTemplate
***********************************************************************/

			GuiSinglelineTextBoxTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiSinglelineTextBoxTemplate::GuiSinglelineTextBoxTemplate()
			{
				GuiSinglelineTextBoxTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiSinglelineTextBoxTemplate::~GuiSinglelineTextBoxTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiDocumentLabelTemplate
***********************************************************************/

			GuiDocumentLabelTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiDocumentLabelTemplate::GuiDocumentLabelTemplate()
			{
				GuiDocumentLabelTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiDocumentLabelTemplate::~GuiDocumentLabelTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiMenuTemplate
***********************************************************************/

			GuiMenuTemplate::GuiMenuTemplate()
			{
			}

			GuiMenuTemplate::~GuiMenuTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiWindowTemplate
***********************************************************************/

			GuiWindowTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiWindowTemplate::GuiWindowTemplate()
				:MaximizedBoxOption_(BoolOption::Customizable)
				, MinimizedBoxOption_(BoolOption::Customizable)
				, BorderOption_(BoolOption::Customizable)
				, SizeBoxOption_(BoolOption::Customizable)
				, IconVisibleOption_(BoolOption::Customizable)
				, TitleBarOption_(BoolOption::Customizable)
				, MaximizedBox_(true)
				, MinimizedBox_(true)
				, Border_(true)
				, SizeBox_(true)
				, IconVisible_(true)
				, TitleBar_(true)
				, CustomizedBorder_(false)
				, Maximized_(false)
			{
				GuiWindowTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiWindowTemplate::~GuiWindowTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiButtonTemplate
***********************************************************************/

			GuiButtonTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiButtonTemplate::GuiButtonTemplate()
				:State_(GuiButton::Normal)
			{
				GuiButtonTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiButtonTemplate::~GuiButtonTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiSelectableButtonTemplate
***********************************************************************/

			GuiSelectableButtonTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiSelectableButtonTemplate::GuiSelectableButtonTemplate()
				:Selected_(false)
			{
				GuiSelectableButtonTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiSelectableButtonTemplate::~GuiSelectableButtonTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiToolstripButtonTemplate
***********************************************************************/

			GuiToolstripButtonTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiToolstripButtonTemplate::GuiToolstripButtonTemplate()
				:SubMenuExisting_(false)
				, SubMenuOpening_(false)
				, SubMenuHost_(0)
			{
				GuiToolstripButtonTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiToolstripButtonTemplate::~GuiToolstripButtonTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiListViewColumnHeaderTemplate
***********************************************************************/

			GuiListViewColumnHeaderTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiListViewColumnHeaderTemplate::GuiListViewColumnHeaderTemplate()
				:SortingState_(GuiListViewColumnHeader::NotSorted)
			{
				GuiListViewColumnHeaderTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiListViewColumnHeaderTemplate::~GuiListViewColumnHeaderTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiComboBoxTemplate
***********************************************************************/

			GuiComboBoxTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiComboBoxTemplate::GuiComboBoxTemplate()
				:Commands_(0)
				, TextVisible_(true)
			{
				GuiComboBoxTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiComboBoxTemplate::~GuiComboBoxTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiDatePickerTemplate
***********************************************************************/

			GuiDatePickerTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiDatePickerTemplate::GuiDatePickerTemplate()
			{
				GuiDatePickerTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiDatePickerTemplate::~GuiDatePickerTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiDateComboBoxTemplate
***********************************************************************/

			GuiDateComboBoxTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiDateComboBoxTemplate::GuiDateComboBoxTemplate()
			{
				GuiDateComboBoxTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiDateComboBoxTemplate::~GuiDateComboBoxTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiScrollTemplate
***********************************************************************/

			GuiScrollTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiScrollTemplate::GuiScrollTemplate()
				:Commands_(0)
				, TotalSize_(100)
				, PageSize_(10)
				, Position_(0)
			{
				GuiScrollTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiScrollTemplate::~GuiScrollTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiScrollViewTemplate
***********************************************************************/

			GuiScrollViewTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiScrollViewTemplate::GuiScrollViewTemplate()
				:DefaultScrollSize_(0)
			{
				GuiScrollViewTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiScrollViewTemplate::~GuiScrollViewTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiMultilineTextBoxTemplate
***********************************************************************/

			GuiMultilineTextBoxTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiMultilineTextBoxTemplate::GuiMultilineTextBoxTemplate()
			{
				GuiMultilineTextBoxTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiMultilineTextBoxTemplate::~GuiMultilineTextBoxTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiTextListTemplate
***********************************************************************/

			GuiTextListTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiTextListTemplate::GuiTextListTemplate()
			{
				GuiTextListTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiTextListTemplate::~GuiTextListTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiDocumentViewerTemplate
***********************************************************************/

			GuiDocumentViewerTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiDocumentViewerTemplate::GuiDocumentViewerTemplate()
			{
				GuiDocumentViewerTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiDocumentViewerTemplate::~GuiDocumentViewerTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiListViewTemplate
***********************************************************************/

			GuiListViewTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiListViewTemplate::GuiListViewTemplate()
			{
				GuiListViewTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiListViewTemplate::~GuiListViewTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiTreeViewTemplate
***********************************************************************/

			GuiTreeViewTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiTreeViewTemplate::GuiTreeViewTemplate()
			{
				GuiTreeViewTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiTreeViewTemplate::~GuiTreeViewTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiTabTemplate
***********************************************************************/

			GuiTabTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiTabTemplate::GuiTabTemplate()
				:HeaderPadding_(0)
				, HeaderComposition_(0)
			{
				GuiTabTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiTabTemplate::~GuiTabTemplate()
			{
			}

/***********************************************************************
GuiListItemTemplate
***********************************************************************/

			GuiListItemTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiListItemTemplate::GuiListItemTemplate()
				:Selected_(false)
				, Index_(0)
			{
				GuiListItemTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiListItemTemplate::~GuiListItemTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiTextListItemTemplate
***********************************************************************/

			GuiTextListItemTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiTextListItemTemplate::GuiTextListItemTemplate()
			{
				GuiTextListItemTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiTextListItemTemplate::~GuiTextListItemTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiTreeItemTemplate
***********************************************************************/

			GuiTreeItemTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiTreeItemTemplate::GuiTreeItemTemplate()
				:Expanding_(false)
			{
				GuiTreeItemTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiTreeItemTemplate::~GuiTreeItemTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiGridVisualizerTemplate
***********************************************************************/

			GuiGridVisualizerTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiGridVisualizerTemplate::GuiGridVisualizerTemplate()
			{
				GuiGridVisualizerTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiGridVisualizerTemplate::~GuiGridVisualizerTemplate()
			{
				FinalizeAggregation();
			}

/***********************************************************************
GuiGridEditorTemplate
***********************************************************************/

			GuiGridEditorTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_IMPL)

			GuiGridEditorTemplate::GuiGridEditorTemplate()
			{
				GuiGridEditorTemplate_PROPERTIES(GUI_TEMPLATE_PROPERTY_EVENT_INIT)
			}

			GuiGridEditorTemplate::~GuiGridEditorTemplate()
			{
				FinalizeAggregation();
			}
		}
	}
}

/***********************************************************************
CONTROLS\TEMPLATES\GUICONTROLTEMPLATESTYLES.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace templates
		{
			using namespace compositions;
			using namespace elements;
			using namespace controls;
			using namespace controls::list;
			using namespace reflection::description;
			using namespace collections;

#define INITIALIZE_FACTORY_FROM_TEMPLATE(VARIABLE, PROPERTY)\
	controlTemplate->PROPERTY##Changed.AttachLambda([this](GuiGraphicsComposition*, GuiEventArgs&)\
	{\
		this->VARIABLE = 0;\
	});\

#define GET_FACTORY_FROM_TEMPLATE(TEMPLATE, VARIABLE, PROPERTY)\
	if (!this->VARIABLE)\
	{\
		this->VARIABLE = CreateTemplateFactory(controlTemplate->Get##PROPERTY());\
	}\
	return new TEMPLATE##_StyleProvider(this->VARIABLE);\

#define GET_FACTORY_FROM_TEMPLATE_OPT(TEMPLATE, VARIABLE, PROPERTY)\
	if (controlTemplate->Get##PROPERTY() == L"")\
	{\
		return 0;\
	}\
	GET_FACTORY_FROM_TEMPLATE(TEMPLATE, VARIABLE, PROPERTY)\

/***********************************************************************
GuiControlTemplate_StyleProvider
***********************************************************************/

			GuiControlTemplate_StyleProvider::GuiControlTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory, description::Value viewModel)
				:associatedStyleController(0)
				, controlTemplate(0)
			{
				GuiTemplate* itemTemplate = factory->CreateTemplate(viewModel);
				if (!(controlTemplate = dynamic_cast<GuiControlTemplate*>(itemTemplate)))
				{
					delete itemTemplate;
					CHECK_FAIL(L"GuiControlTemplate_StyleProvider::GuiControlTemplate_StyleProvider()#An instance of GuiTemplate is expected.");
				}
			}

			GuiControlTemplate_StyleProvider::~GuiControlTemplate_StyleProvider()
			{
			}

			compositions::GuiBoundsComposition* GuiControlTemplate_StyleProvider::GetBoundsComposition()
			{
				return controlTemplate;
			}

			compositions::GuiGraphicsComposition* GuiControlTemplate_StyleProvider::GetContainerComposition()
			{
				return controlTemplate->GetContainerComposition();
			}

			void GuiControlTemplate_StyleProvider::AssociateStyleController(controls::GuiControl::IStyleController* controller)
			{
				associatedStyleController = controller;
			}

			void GuiControlTemplate_StyleProvider::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				controlTemplate->SetFocusableComposition(value);
			}

			void GuiControlTemplate_StyleProvider::SetText(const WString& value)
			{
				controlTemplate->SetText(value);
			}

			void GuiControlTemplate_StyleProvider::SetFont(const FontProperties& value)
			{
				controlTemplate->SetFont(value);
			}

			void GuiControlTemplate_StyleProvider::SetVisuallyEnabled(bool value)
			{
				controlTemplate->SetVisuallyEnabled(value);
			}

/***********************************************************************
GuiLabelTemplate_StyleProvider
***********************************************************************/

			GuiLabelTemplate_StyleProvider::GuiLabelTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiControlTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiLabelTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiLabelTemplate_StyleProvider::GuiLabelTemplate_StyleProvider()#An instance of GuiLabelTemplate is expected.");
				}
			}

			GuiLabelTemplate_StyleProvider::~GuiLabelTemplate_StyleProvider()
			{
			}

			Color GuiLabelTemplate_StyleProvider::GetDefaultTextColor()
			{
				return controlTemplate->GetDefaultTextColor();
			}

			void GuiLabelTemplate_StyleProvider::SetTextColor(Color value)
			{
				controlTemplate->SetTextColor(value);
			}

/***********************************************************************
GuiSinglelineTextBoxTemplate_StyleProvider
***********************************************************************/

			GuiSinglelineTextBoxTemplate_StyleProvider::GuiSinglelineTextBoxTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiControlTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiSinglelineTextBoxTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiSinglelineTextBoxTemplate_StyleProvider::GuiSinglelineTextBoxTemplate_StyleProvider()#An instance of GuiSinglelineTextBoxTemplate is expected.");
				}
			}

			GuiSinglelineTextBoxTemplate_StyleProvider::~GuiSinglelineTextBoxTemplate_StyleProvider()
			{
			}
			
			void GuiSinglelineTextBoxTemplate_StyleProvider::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				GuiControlTemplate_StyleProvider::SetFocusableComposition(value);
				if (auto style = dynamic_cast<GuiSinglelineTextBox::StyleController*>(associatedStyleController))
				{
					auto element = style->GetTextElement();
					Array<text::ColorEntry> colors(1);
					colors[0] = controlTemplate->GetTextColor();
					element->SetColors(colors);
					element->SetCaretColor(controlTemplate->GetCaretColor());
				}
			}

			compositions::GuiGraphicsComposition* GuiSinglelineTextBoxTemplate_StyleProvider::InstallBackground(compositions::GuiBoundsComposition* boundsComposition)
			{
				controlTemplate->SetAlignmentToParent(Margin(0, 0, 0, 0));
				boundsComposition->AddChild(controlTemplate);
				return controlTemplate->GetContainerComposition();
			}

/***********************************************************************
GuiDocumentLabelTemplate_StyleProvider
***********************************************************************/

			GuiDocumentLabelTemplate_StyleProvider::GuiDocumentLabelTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiControlTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiDocumentLabelTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiDocumentLabelTemplate_StyleProvider::GuiDocumentLabelTemplate_StyleProvider()#An instance of GuiDocumentLabelTemplate is expected.");
				}
			}

			GuiDocumentLabelTemplate_StyleProvider::~GuiDocumentLabelTemplate_StyleProvider()
			{
			}

			Ptr<DocumentModel> GuiDocumentLabelTemplate_StyleProvider::GetBaselineDocument()
			{
				return controlTemplate->GetBaselineDocument();
			}

/***********************************************************************
GuiMenuTemplate_StyleProvider
***********************************************************************/

			GuiMenuTemplate_StyleProvider::GuiMenuTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiControlTemplate_StyleProvider(factory)
			{
			}

			GuiMenuTemplate_StyleProvider::~GuiMenuTemplate_StyleProvider()
			{
			}

/***********************************************************************
GuiWindowTemplate_StyleProvider
***********************************************************************/

			GuiWindowTemplate_StyleProvider::GuiWindowTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiControlTemplate_StyleProvider(factory)
				, window(0)
			{
				if (!(controlTemplate = dynamic_cast<GuiWindowTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiWindowTemplate_StyleProvider::GuiWindowTemplate_StyleProvider()#An instance of GuiWindowTemplate is expected.");
				}
				INITIALIZE_FACTORY_FROM_TEMPLATE(tooltipTemplateFactory, TooltipTemplate);
				INITIALIZE_FACTORY_FROM_TEMPLATE(shortcutKeyTemplateFactory, ShortcutKeyTemplate);
			}

			GuiWindowTemplate_StyleProvider::~GuiWindowTemplate_StyleProvider()
			{
			}

			void GuiWindowTemplate_StyleProvider::AttachWindow(GuiWindow* _window)
			{
				window = _window;
			}

			void GuiWindowTemplate_StyleProvider::InitializeNativeWindowProperties()
			{
				if (window && window->GetNativeWindow())
				{
					window->GetNativeWindow()->EnableCustomFrameMode();
					window->GetNativeWindow()->SetBorder(false);
				}
			}

			void GuiWindowTemplate_StyleProvider::SetSizeState(INativeWindow::WindowSizeState value)
			{
				controlTemplate->SetMaximized(value == INativeWindow::Maximized);
			}

#define WINDOW_TEMPLATE_GET(PROPERTY)\
				switch (controlTemplate->Get##PROPERTY##Option())\
				{\
					case BoolOption::AlwaysTrue: return true;\
					case BoolOption::AlwaysFalse: return false;\
					default: return controlTemplate->Get##PROPERTY();\
				}\

#define WINDOW_TEMPLATE_SET(PROPERTY)\
				if (controlTemplate->Get##PROPERTY##Option() == BoolOption::Customizable)\
				{\
					controlTemplate->Set##PROPERTY(visible);\
					if (!controlTemplate->GetCustomizedBorder() && window && window->GetNativeWindow())\
					{\
						window->GetNativeWindow()->Set##PROPERTY(visible);\
					}\
				}\

			bool GuiWindowTemplate_StyleProvider::GetMaximizedBox()
			{
				WINDOW_TEMPLATE_GET(MaximizedBox);
			}

			void GuiWindowTemplate_StyleProvider::SetMaximizedBox(bool visible)
			{
				WINDOW_TEMPLATE_SET(MaximizedBox);
			}

			bool GuiWindowTemplate_StyleProvider::GetMinimizedBox()
			{
				WINDOW_TEMPLATE_GET(MinimizedBox);
			}

			void GuiWindowTemplate_StyleProvider::SetMinimizedBox(bool visible)
			{
				WINDOW_TEMPLATE_SET(MinimizedBox);
			}

			bool GuiWindowTemplate_StyleProvider::GetBorder()
			{
				WINDOW_TEMPLATE_GET(Border);
			}

			void GuiWindowTemplate_StyleProvider::SetBorder(bool visible)
			{
				WINDOW_TEMPLATE_SET(Border);
			}

			bool GuiWindowTemplate_StyleProvider::GetSizeBox()
			{
				WINDOW_TEMPLATE_GET(SizeBox);
			}

			void GuiWindowTemplate_StyleProvider::SetSizeBox(bool visible)
			{
				WINDOW_TEMPLATE_SET(SizeBox);
			}

			bool GuiWindowTemplate_StyleProvider::GetIconVisible()
			{
				WINDOW_TEMPLATE_GET(IconVisible);
			}

			void GuiWindowTemplate_StyleProvider::SetIconVisible(bool visible)
			{
				WINDOW_TEMPLATE_SET(IconVisible);
			}

			bool GuiWindowTemplate_StyleProvider::GetTitleBar()
			{
				WINDOW_TEMPLATE_GET(TitleBar);
			}

			void GuiWindowTemplate_StyleProvider::SetTitleBar(bool visible)
			{
				WINDOW_TEMPLATE_SET(TitleBar);
			}

			controls::GuiWindow::IStyleController* GuiWindowTemplate_StyleProvider::CreateTooltipStyle()
			{
				GET_FACTORY_FROM_TEMPLATE_OPT(GuiWindowTemplate, tooltipTemplateFactory, TooltipTemplate);
			}

			controls::GuiLabel::IStyleController* GuiWindowTemplate_StyleProvider::CreateShortcutKeyStyle()
			{
				GET_FACTORY_FROM_TEMPLATE_OPT(GuiLabelTemplate, shortcutKeyTemplateFactory, ShortcutKeyTemplate);
			}

#undef WINDOW_TEMPLATE_GET
#undef WINDOW_TEMPLATE_SET

/***********************************************************************
GuiButtonTemplate_StyleProvider
***********************************************************************/

			GuiButtonTemplate_StyleProvider::GuiButtonTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiControlTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiButtonTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiButtonTemplate_StyleProvider::GuiButtonTemplate_StyleProvider()#An instance of GuiButtonTemplate is expected.");
				}
			}

			GuiButtonTemplate_StyleProvider::~GuiButtonTemplate_StyleProvider()
			{
			}

			void GuiButtonTemplate_StyleProvider::Transfer(controls::GuiButton::ControlState value)
			{
				controlTemplate->SetState(value);
			}

/***********************************************************************
GuiSelectableButtonTemplate_StyleProvider
***********************************************************************/

			GuiSelectableButtonTemplate_StyleProvider::GuiSelectableButtonTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiButtonTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiSelectableButtonTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiButtonTemplate_StyleProvider::GuiButtonTemplate_StyleProvider()#An instance of GuiSelectableButtonTemplate is expected.");
				}
			}

			GuiSelectableButtonTemplate_StyleProvider::~GuiSelectableButtonTemplate_StyleProvider()
			{
			}

			void GuiSelectableButtonTemplate_StyleProvider::SetSelected(bool value)
			{
				controlTemplate->SetSelected(value);
			}

/***********************************************************************
GuiToolstripButtonTemplate_StyleProvider
***********************************************************************/

			GuiToolstripButtonTemplate_StyleProvider::GuiToolstripButtonTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiSelectableButtonTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiToolstripButtonTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiButtonTemplate_StyleProvider::GuiButtonTemplate_StyleProvider()#An instance of GuiToolstripButtonTemplate is expected.");
				}
				INITIALIZE_FACTORY_FROM_TEMPLATE(subMenuTemplateFactory, SubMenuTemplate);
			}

			GuiToolstripButtonTemplate_StyleProvider::~GuiToolstripButtonTemplate_StyleProvider()
			{
			}
				
			controls::GuiMenu::IStyleController* GuiToolstripButtonTemplate_StyleProvider::CreateSubMenuStyleController()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiMenuTemplate, subMenuTemplateFactory, SubMenuTemplate);
			}

			void GuiToolstripButtonTemplate_StyleProvider::SetSubMenuExisting(bool value)
			{
				controlTemplate->SetSubMenuExisting(value);
			}

			void GuiToolstripButtonTemplate_StyleProvider::SetSubMenuOpening(bool value)
			{
				controlTemplate->SetSubMenuOpening(value);
			}

			controls::GuiButton* GuiToolstripButtonTemplate_StyleProvider::GetSubMenuHost()
			{
				return controlTemplate->GetSubMenuHost();
			}

			void GuiToolstripButtonTemplate_StyleProvider::SetImage(Ptr<GuiImageData> value)
			{
				controlTemplate->SetImage(value);
			}

			void GuiToolstripButtonTemplate_StyleProvider::SetShortcutText(const WString& value)
			{
				controlTemplate->SetShortcutText(value);
			}

/***********************************************************************
GuiListViewColumnHeaderTemplate_StyleProvider
***********************************************************************/

			GuiListViewColumnHeaderTemplate_StyleProvider::GuiListViewColumnHeaderTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiToolstripButtonTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiListViewColumnHeaderTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiListViewColumnHeaderTemplate_StyleProvider::GuiListViewColumnHeaderTemplate_StyleProvider()#An instance of GuiListViewColumnHeaderTemplate is expected.");
				}
			}

			GuiListViewColumnHeaderTemplate_StyleProvider::~GuiListViewColumnHeaderTemplate_StyleProvider()
			{
			}

			void GuiListViewColumnHeaderTemplate_StyleProvider::SetColumnSortingState(controls::GuiListViewColumnHeader::ColumnSortingState value)
			{
				controlTemplate->SetSortingState(value);
			}

/***********************************************************************
GuiComboBoxTemplate_StyleProvider
***********************************************************************/

			GuiComboBoxTemplate_StyleProvider::GuiComboBoxTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiToolstripButtonTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiComboBoxTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiComboBoxTemplate_StyleProvider::GuiComboBoxTemplate_StyleProvider()#An instance of GuiComboBoxTemplate is expected.");
				}
			}

			GuiComboBoxTemplate_StyleProvider::~GuiComboBoxTemplate_StyleProvider()
			{
			}

			void GuiComboBoxTemplate_StyleProvider::SetCommandExecutor(controls::GuiComboBoxBase::ICommandExecutor* value)
			{
				controlTemplate->SetCommands(value);
			}

			void GuiComboBoxTemplate_StyleProvider::OnItemSelected()
			{
			}

			void GuiComboBoxTemplate_StyleProvider::SetTextVisible(bool value)
			{
				controlTemplate->SetTextVisible(value);
			}

/***********************************************************************
GuiDatePickerTemplate_StyleProvider
***********************************************************************/

			GuiDatePickerTemplate_StyleProvider::GuiDatePickerTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiControlTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiDatePickerTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiDatePickerTemplate_StyleProvider::GuiDatePickerTemplate_StyleProvider()#An instance of GuiDatePickerTemplate is expected.");
				}
				INITIALIZE_FACTORY_FROM_TEMPLATE(dateButtonTemplateFactory, DateButtonTemplate);
				INITIALIZE_FACTORY_FROM_TEMPLATE(dateTextListTemplateFactory, DateTextListTemplate);
				INITIALIZE_FACTORY_FROM_TEMPLATE(dateComboBoxTemplateFactory, DateComboBoxTemplate);
			}

			GuiDatePickerTemplate_StyleProvider::~GuiDatePickerTemplate_StyleProvider()
			{
				delete controlTemplate;
			}

			controls::GuiSelectableButton::IStyleController* GuiDatePickerTemplate_StyleProvider::CreateDateButtonStyle()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiSelectableButtonTemplate, dateButtonTemplateFactory, DateButtonTemplate);
			}

			GuiTextListTemplate_StyleProvider* GuiDatePickerTemplate_StyleProvider::CreateTextListStyle()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiTextListTemplate, dateTextListTemplateFactory, DateTextListTemplate);
			}

			controls::GuiTextList* GuiDatePickerTemplate_StyleProvider::CreateTextList()
			{
				auto style = CreateTextListStyle();
				return new GuiTextList(style, style->CreateArgument());
			}

			controls::GuiComboBoxListControl::IStyleController* GuiDatePickerTemplate_StyleProvider::CreateComboBoxStyle()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiComboBoxTemplate, dateComboBoxTemplateFactory, DateComboBoxTemplate);
			}

			Color GuiDatePickerTemplate_StyleProvider::GetBackgroundColor()
			{
				return controlTemplate->GetBackgroundColor();
			}

			Color GuiDatePickerTemplate_StyleProvider::GetPrimaryTextColor()
			{
				return controlTemplate->GetPrimaryTextColor();
			}

			Color GuiDatePickerTemplate_StyleProvider::GetSecondaryTextColor()
			{
				return controlTemplate->GetSecondaryTextColor();
			}

/***********************************************************************
GuiDateComboBoxTemplate_StyleProvider
***********************************************************************/

			GuiDateComboBoxTemplate_StyleProvider::GuiDateComboBoxTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiComboBoxTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiDateComboBoxTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiDateComboBoxTemplate_StyleProvider::GuiDateComboBoxTemplate_StyleProvider()#An instance of GuiDateComboBoxTemplate is expected.");
				}
				INITIALIZE_FACTORY_FROM_TEMPLATE(datePickerTemplateFactory, DatePickerTemplate);
			}

			GuiDateComboBoxTemplate_StyleProvider::~GuiDateComboBoxTemplate_StyleProvider()
			{
			}

			controls::GuiDatePicker* GuiDateComboBoxTemplate_StyleProvider::CreateArgument()
			{
				return new GuiDatePicker(CreateDatePickerStyle());
			}

			controls::GuiDatePicker::IStyleProvider* GuiDateComboBoxTemplate_StyleProvider::CreateDatePickerStyle()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiDatePickerTemplate, datePickerTemplateFactory, DatePickerTemplate);
			}

/***********************************************************************
GuiScrollTemplate_StyleProvider
***********************************************************************/

			GuiScrollTemplate_StyleProvider::GuiScrollTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiControlTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiScrollTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiButtonTemplate_StyleProvider::GuiButtonTemplate_StyleProvider()#An instance of GuiScrollTemplate is expected.");
				}
			}

			GuiScrollTemplate_StyleProvider::~GuiScrollTemplate_StyleProvider()
			{
			}

			void GuiScrollTemplate_StyleProvider::SetCommandExecutor(controls::GuiScroll::ICommandExecutor* value)
			{
				controlTemplate->SetCommands(value);
			}

			void GuiScrollTemplate_StyleProvider::SetTotalSize(vint value)
			{
				controlTemplate->SetTotalSize(value);
			}

			void GuiScrollTemplate_StyleProvider::SetPageSize(vint value)
			{
				controlTemplate->SetPageSize(value);
			}

			void GuiScrollTemplate_StyleProvider::SetPosition(vint value)
			{
				controlTemplate->SetPosition(value);
			}

/***********************************************************************
GuiScrollViewTemplate_StyleProvider
***********************************************************************/

			GuiScrollViewTemplate_StyleProvider::GuiScrollViewTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiControlTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiScrollViewTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiScrollViewTemplate_StyleProvider::GuiScrollViewTemplate_StyleProvider()#An instance of GuiScrollViewTemplate is expected.");
				}
				INITIALIZE_FACTORY_FROM_TEMPLATE(hScrollTemplateFactory, HScrollTemplate);
				INITIALIZE_FACTORY_FROM_TEMPLATE(vScrollTemplateFactory, VScrollTemplate);
			}

			GuiScrollViewTemplate_StyleProvider::~GuiScrollViewTemplate_StyleProvider()
			{
			}
				
			controls::GuiScroll::IStyleController* GuiScrollViewTemplate_StyleProvider::CreateHorizontalScrollStyle()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiScrollTemplate, hScrollTemplateFactory, HScrollTemplate);
			}

			controls::GuiScroll::IStyleController* GuiScrollViewTemplate_StyleProvider::CreateVerticalScrollStyle()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiScrollTemplate, vScrollTemplateFactory, VScrollTemplate);
			}

			vint GuiScrollViewTemplate_StyleProvider::GetDefaultScrollSize()
			{
				return controlTemplate->GetDefaultScrollSize();
			}

			compositions::GuiGraphicsComposition* GuiScrollViewTemplate_StyleProvider::InstallBackground(compositions::GuiBoundsComposition* boundsComposition)
			{
				controlTemplate->SetAlignmentToParent(Margin(0, 0, 0, 0));
				boundsComposition->AddChild(controlTemplate);
				return controlTemplate->GetContainerComposition();
			}

/***********************************************************************
GuiSinglelineTextBoxTemplate_StyleProvider
***********************************************************************/

			GuiMultilineTextBoxTemplate_StyleProvider::GuiMultilineTextBoxTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiScrollViewTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiMultilineTextBoxTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiMultilineTextBoxTemplate_StyleProvider::GuiMultilineTextBoxTemplate_StyleProvider()#An instance of GuiMultilineTextBoxTemplate is expected.");
				}
			}

			GuiMultilineTextBoxTemplate_StyleProvider::~GuiMultilineTextBoxTemplate_StyleProvider()
			{
			}
			
			void GuiMultilineTextBoxTemplate_StyleProvider::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				GuiScrollViewTemplate_StyleProvider::SetFocusableComposition(value);
				if (auto style = dynamic_cast<GuiMultilineTextBox::StyleController*>(associatedStyleController))
				{
					auto element = style->GetTextElement();
					Array<text::ColorEntry> colors(1);
					colors[0] = controlTemplate->GetTextColor();
					element->SetColors(colors);
					element->SetCaretColor(controlTemplate->GetCaretColor());
				}
			}

/***********************************************************************
GuiDocumentViewerTemplate_StyleProvider
***********************************************************************/

			GuiDocumentViewerTemplate_StyleProvider::GuiDocumentViewerTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiScrollViewTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiDocumentViewerTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiDocumentViewerTemplate_StyleProvider::GuiDocumentViewerTemplate_StyleProvider()#An instance of GuiDocumentViewerTemplate is expected.");
				}
			}

			GuiDocumentViewerTemplate_StyleProvider::~GuiDocumentViewerTemplate_StyleProvider()
			{
			}

			Ptr<DocumentModel> GuiDocumentViewerTemplate_StyleProvider::GetBaselineDocument()
			{
				return controlTemplate->GetBaselineDocument();
			}

/***********************************************************************
GuiTextListTemplate_StyleProvider::ItemStyleProvider
***********************************************************************/

			GuiTextListTemplate_StyleProvider::ItemStyleProvider::ItemStyleProvider(GuiTextListTemplate_StyleProvider* _styleProvider)
				:styleProvider(_styleProvider)
			{
			}

			GuiTextListTemplate_StyleProvider::ItemStyleProvider::~ItemStyleProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* GuiTextListTemplate_StyleProvider::ItemStyleProvider::CreateBulletStyleController()
			{
				return styleProvider->CreateBulletStyle();
			}

/***********************************************************************
GuiTextListTemplate_StyleProvider
***********************************************************************/

			GuiTextListTemplate_StyleProvider::GuiTextListTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiScrollViewTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiTextListTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiTextListTemplate_StyleProvider::GuiTextListTemplate_StyleProvider()#An instance of GuiTextListTemplate is expected.");
				}
				INITIALIZE_FACTORY_FROM_TEMPLATE(backgroundTemplateFactory, BackgroundTemplate);
				INITIALIZE_FACTORY_FROM_TEMPLATE(bulletTemplateFactory, BulletTemplate);
			}

			GuiTextListTemplate_StyleProvider::~GuiTextListTemplate_StyleProvider()
			{
			}

			controls::GuiSelectableButton::IStyleController* GuiTextListTemplate_StyleProvider::CreateItemBackground()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiSelectableButtonTemplate, backgroundTemplateFactory, BackgroundTemplate);
			}

			Color GuiTextListTemplate_StyleProvider::GetTextColor()
			{
				return controlTemplate->GetTextColor();
			}

			controls::list::TextItemStyleProvider::IBulletFactory* GuiTextListTemplate_StyleProvider::CreateArgument()
			{
				return new ItemStyleProvider(this);
			}

			controls::GuiSelectableButton::IStyleController* GuiTextListTemplate_StyleProvider::CreateBulletStyle()
			{
				GET_FACTORY_FROM_TEMPLATE_OPT(GuiSelectableButtonTemplate, bulletTemplateFactory, BulletTemplate);
			}

/***********************************************************************
GuiListViewTemplate_StyleProvider
***********************************************************************/

			GuiListViewTemplate_StyleProvider::GuiListViewTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiScrollViewTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiListViewTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiListViewTemplate_StyleProvider::GuiListViewTemplate_StyleProvider()#An instance of GuiListViewTemplate is expected.");
				}
				INITIALIZE_FACTORY_FROM_TEMPLATE(backgroundTemplateFactory, BackgroundTemplate);
				INITIALIZE_FACTORY_FROM_TEMPLATE(columnHeaderTemplateFactory, ColumnHeaderTemplate);
			}

			GuiListViewTemplate_StyleProvider::~GuiListViewTemplate_StyleProvider()
			{
			}
				
			controls::GuiSelectableButton::IStyleController* GuiListViewTemplate_StyleProvider::CreateItemBackground()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiSelectableButtonTemplate, backgroundTemplateFactory, BackgroundTemplate);
			}

			controls::GuiListViewColumnHeader::IStyleController* GuiListViewTemplate_StyleProvider::CreateColumnStyle()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiListViewColumnHeaderTemplate, columnHeaderTemplateFactory, ColumnHeaderTemplate);
			}

			Color GuiListViewTemplate_StyleProvider::GetPrimaryTextColor()
			{
				return controlTemplate->GetPrimaryTextColor();
			}

			Color GuiListViewTemplate_StyleProvider::GetSecondaryTextColor()
			{
				return controlTemplate->GetSecondaryTextColor();
			}

			Color GuiListViewTemplate_StyleProvider::GetItemSeparatorColor()
			{
				return controlTemplate->GetItemSeparatorColor();
			}

/***********************************************************************
GuiTreeViewTemplate_StyleProvider
***********************************************************************/

			GuiTreeViewTemplate_StyleProvider::GuiTreeViewTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiScrollViewTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiTreeViewTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiTreeViewTemplate_StyleProvider::GuiTreeViewTemplate_StyleProvider()#An instance of GuiTreeViewTemplate is expected.");
				}
				INITIALIZE_FACTORY_FROM_TEMPLATE(backgroundTemplateFactory, BackgroundTemplate);
				INITIALIZE_FACTORY_FROM_TEMPLATE(expandingDecoratorTemplateFactory, ExpandingDecoratorTemplate);
			}

			GuiTreeViewTemplate_StyleProvider::~GuiTreeViewTemplate_StyleProvider()
			{
			}
				
			controls::GuiSelectableButton::IStyleController* GuiTreeViewTemplate_StyleProvider::CreateItemBackground()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiSelectableButtonTemplate, backgroundTemplateFactory, BackgroundTemplate);
			}

			controls::GuiSelectableButton::IStyleController* GuiTreeViewTemplate_StyleProvider::CreateItemExpandingDecorator()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiSelectableButtonTemplate, expandingDecoratorTemplateFactory, ExpandingDecoratorTemplate);
			}

			Color GuiTreeViewTemplate_StyleProvider::GetTextColor()
			{
				return controlTemplate->GetTextColor();
			}

/***********************************************************************
GuiTabTemplate_StyleProvider
***********************************************************************/

			void GuiTabTemplate_StyleProvider::OnHeaderButtonClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(commandExecutor)
				{
					vint index=headerButtons.IndexOf(dynamic_cast<GuiSelectableButton*>(sender->GetAssociatedControl()));
					if(index!=-1)
					{
						commandExecutor->ShowTab(index);
					}
				}
			}

			void GuiTabTemplate_StyleProvider::OnTabHeaderBoundsChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				vint height=headerOverflowButton->GetBoundsComposition()->GetBounds().Height();
				headerOverflowButton->GetBoundsComposition()->SetBounds(Rect(Point(0, 0), Size(height, 0)));

				UpdateHeaderLayout();
			}

			void GuiTabTemplate_StyleProvider::OnHeaderOverflowButtonClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				headerOverflowMenu->SetClientSize(Size(0, 0));
				headerOverflowMenu->ShowPopup(headerOverflowButton, true);
			}

			void GuiTabTemplate_StyleProvider::OnHeaderOverflowMenuButtonClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				vint index=headerOverflowMenu->GetToolstripItems().IndexOf(sender->GetRelatedControl());
				commandExecutor->ShowTab(index);
			}

			void GuiTabTemplate_StyleProvider::UpdateHeaderOverflowButtonVisibility()
			{
				if(tabHeaderComposition->IsStackItemClipped())
				{
					tabBoundsComposition->SetColumnOption(1, GuiCellOption::MinSizeOption());
				}
				else
				{
					tabBoundsComposition->SetColumnOption(1, GuiCellOption::AbsoluteOption(0));
				}
				tabBoundsComposition->ForceCalculateSizeImmediately();
			}

			void GuiTabTemplate_StyleProvider::UpdateHeaderZOrder()
			{
				vint itemCount=tabHeaderComposition->GetStackItems().Count();
				vint childCount=tabHeaderComposition->Children().Count();
				for(vint i=0;i<itemCount;i++)
				{
					GuiStackItemComposition* item=tabHeaderComposition->GetStackItems().Get(i);
					if(headerButtons[i]->GetSelected())
					{
						tabHeaderComposition->MoveChild(item, childCount-1);
						vint padding = controlTemplate->GetHeaderPadding();
						item->SetExtraMargin(Margin(padding, padding, padding, 0));
					}
					else
					{
						item->SetExtraMargin(Margin(0, 0, 0, 0));
					}
				}
				if(childCount>1)
				{
					tabHeaderComposition->MoveChild(tabContentTopLineComposition, childCount-2);
				}
			}

			void GuiTabTemplate_StyleProvider::UpdateHeaderVisibilityIndex()
			{
				vint itemCount=tabHeaderComposition->GetStackItems().Count();
				vint selectedItem=-1;
				for(vint i=0;i<itemCount;i++)
				{
					if(headerButtons[i]->GetSelected())
					{
						selectedItem=i;
					}
				}

				if(selectedItem!=-1)
				{
					tabHeaderComposition->EnsureVisible(selectedItem);
				}
			}

			void GuiTabTemplate_StyleProvider::UpdateHeaderLayout()
			{
				UpdateHeaderZOrder();
				UpdateHeaderVisibilityIndex();
				UpdateHeaderOverflowButtonVisibility();
			}

			void GuiTabTemplate_StyleProvider::Initialize()
			{
				tabBoundsComposition=new GuiTableComposition;
				tabBoundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				tabBoundsComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				tabBoundsComposition->SetRowsAndColumns(1, 2);
				tabBoundsComposition->SetRowOption(0, GuiCellOption::MinSizeOption());
				tabBoundsComposition->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
				tabBoundsComposition->SetColumnOption(1, GuiCellOption::AbsoluteOption(0));
				controlTemplate->GetHeaderComposition()->AddChild(tabBoundsComposition);
				
				vint padding = controlTemplate->GetHeaderPadding();
				{
					GuiCellComposition* cell=new GuiCellComposition;
					tabBoundsComposition->AddChild(cell);
					cell->SetSite(0, 0, 1, 1);
					
					vint padding = controlTemplate->GetHeaderPadding();
					tabHeaderComposition=new GuiStackComposition;
					tabHeaderComposition->SetExtraMargin(Margin(padding, padding, padding, 0));
					tabHeaderComposition->SetAlignmentToParent(Margin(0, 0, 1, 0));
					tabHeaderComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
					tabHeaderComposition->BoundsChanged.AttachMethod(this, &GuiTabTemplate_StyleProvider::OnTabHeaderBoundsChanged);
					cell->AddChild(tabHeaderComposition);
				}
				{
					GuiCellComposition* cell=new GuiCellComposition;
					tabBoundsComposition->AddChild(cell);
					cell->SetSite(0, 1, 1, 1);

					headerOverflowButton=new GuiButton(CreateDropdownTemplate());
					headerOverflowButton->GetBoundsComposition()->SetAlignmentToParent(Margin(-1, padding, 0, 0));
					headerOverflowButton->Clicked.AttachMethod(this, &GuiTabTemplate_StyleProvider::OnHeaderOverflowButtonClicked);
					cell->AddChild(headerOverflowButton->GetBoundsComposition());
				}

				headerOverflowMenu=new GuiToolstripMenu(CreateMenuTemplate(), 0);
				headerController=new GuiSelectableButton::MutexGroupController;
			}

			controls::GuiSelectableButton::IStyleController* GuiTabTemplate_StyleProvider::CreateHeaderTemplate()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiSelectableButtonTemplate, headerTemplateFactory, HeaderTemplate);
			}

			controls::GuiButton::IStyleController* GuiTabTemplate_StyleProvider::CreateDropdownTemplate()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiButtonTemplate, dropdownTemplateFactory, DropdownTemplate);
			}

			controls::GuiMenu::IStyleController* GuiTabTemplate_StyleProvider::CreateMenuTemplate()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiMenuTemplate, menuTemplateFactory, MenuTemplate);
			}

			controls::GuiToolstripButton::IStyleController* GuiTabTemplate_StyleProvider::CreateMenuItemTemplate()
			{
				GET_FACTORY_FROM_TEMPLATE(GuiToolstripButtonTemplate, menuItemTemplateFactory, MenuItemTemplate);
			}

			GuiTabTemplate_StyleProvider::GuiTabTemplate_StyleProvider(Ptr<GuiTemplate::IFactory> factory)
				:GuiControlTemplate_StyleProvider(factory)
			{
				if (!(controlTemplate = dynamic_cast<GuiTabTemplate*>(GetBoundsComposition())))
				{
					CHECK_FAIL(L"GuiTabTemplate_StyleProvider::GuiTabTemplate_StyleProvider()#An instance of GuiTabTemplate is expected.");
				}
				INITIALIZE_FACTORY_FROM_TEMPLATE(headerTemplateFactory, HeaderTemplate);
				INITIALIZE_FACTORY_FROM_TEMPLATE(dropdownTemplateFactory, DropdownTemplate);
				INITIALIZE_FACTORY_FROM_TEMPLATE(menuTemplateFactory, MenuTemplate);
				INITIALIZE_FACTORY_FROM_TEMPLATE(menuItemTemplateFactory, MenuItemTemplate);
				Initialize();
			}

			GuiTabTemplate_StyleProvider::~GuiTabTemplate_StyleProvider()
			{
				delete headerOverflowMenu;
			}

			void GuiTabTemplate_StyleProvider::SetCommandExecutor(controls::GuiTab::ICommandExecutor* value)
			{
				commandExecutor=value;
			}

			void GuiTabTemplate_StyleProvider::InsertTab(vint index)
			{
				GuiSelectableButton* button=new GuiSelectableButton(CreateHeaderTemplate());
				button->SetAutoSelection(false);
				button->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
				button->SetGroupController(headerController.Obj());
				button->Clicked.AttachMethod(this, &GuiTabTemplate_StyleProvider::OnHeaderButtonClicked);

				GuiStackItemComposition* item=new GuiStackItemComposition;
				item->AddChild(button->GetBoundsComposition());
				tabHeaderComposition->InsertStackItem(index, item);
				headerButtons.Insert(index, button);

				GuiToolstripButton* menuItem=new GuiToolstripButton(CreateMenuItemTemplate());
				menuItem->Clicked.AttachMethod(this, &GuiTabTemplate_StyleProvider::OnHeaderOverflowMenuButtonClicked);
				headerOverflowMenu->GetToolstripItems().Insert(index, menuItem);

				UpdateHeaderLayout();
			}

			void GuiTabTemplate_StyleProvider::SetTabText(vint index, const WString& value)
			{
				headerButtons[index]->SetText(value);
				headerOverflowMenu->GetToolstripItems().Get(index)->SetText(value);
				
				UpdateHeaderLayout();
			}

			void GuiTabTemplate_StyleProvider::RemoveTab(vint index)
			{
				GuiStackItemComposition* item=tabHeaderComposition->GetStackItems().Get(index);
				GuiSelectableButton* button=headerButtons[index];

				tabHeaderComposition->RemoveChild(item);
				item->RemoveChild(button->GetBoundsComposition());
				headerButtons.RemoveAt(index);

				headerOverflowMenu->GetToolstripItems().RemoveAt(index);
				delete item;
				delete button;
				
				UpdateHeaderLayout();
			}

			void GuiTabTemplate_StyleProvider::MoveTab(vint oldIndex, vint newIndex)
			{
				GuiStackItemComposition* item=tabHeaderComposition->GetStackItems().Get(oldIndex);
				tabHeaderComposition->RemoveChild(item);
				tabHeaderComposition->InsertStackItem(newIndex, item);

				GuiSelectableButton* button=headerButtons[oldIndex];
				headerButtons.RemoveAt(oldIndex);
				headerButtons.Insert(newIndex, button);
				
				UpdateHeaderLayout();
			}

			void GuiTabTemplate_StyleProvider::SetSelectedTab(vint index)
			{
				headerButtons[index]->SetSelected(true);
				
				UpdateHeaderLayout();
			}

			void GuiTabTemplate_StyleProvider::SetTabAlt(vint index, const WString& value, compositions::IGuiAltActionHost* host)
			{
				auto button = headerButtons[index];
				button->SetAlt(value);
				button->SetActivatingAltHost(host);
			}

			compositions::IGuiAltAction* GuiTabTemplate_StyleProvider::GetTabAltAction(vint index)
			{
				return headerButtons[index]->QueryTypedService<IGuiAltAction>();
			}

/***********************************************************************
GuiControlTemplate_ItemStyleProvider
***********************************************************************/

			GuiControlTemplate_ItemStyleProvider::GuiControlTemplate_ItemStyleProvider(Ptr<GuiTemplate::IFactory> _factory)
				:factory(_factory)
			{
			}

			GuiControlTemplate_ItemStyleProvider::~GuiControlTemplate_ItemStyleProvider()
			{
			}

			void GuiControlTemplate_ItemStyleProvider::AttachComboBox(controls::GuiComboBoxListControl* value)
			{
			}

			void GuiControlTemplate_ItemStyleProvider::DetachComboBox()
			{
			}

			controls::GuiControl::IStyleController* GuiControlTemplate_ItemStyleProvider::CreateItemStyle(description::Value item)
			{
				return new GuiControlTemplate_StyleProvider(factory, item);
			}

/***********************************************************************
GuiTextListItemTemplate_ItemStyleProvider
***********************************************************************/

			GuiTextListItemTemplate_ItemStyleProvider::GuiTextListItemTemplate_ItemStyleProvider(Ptr<GuiTemplate::IFactory> _factory)
				:factory(_factory)
				, listControl(0)
				, bindingView(0)
			{
			}

			GuiTextListItemTemplate_ItemStyleProvider::~GuiTextListItemTemplate_ItemStyleProvider()
			{
			}

			void GuiTextListItemTemplate_ItemStyleProvider::AttachListControl(controls::GuiListControl* value)
			{
				listControl = dynamic_cast<GuiVirtualTextList*>(value);
				bindingView = dynamic_cast<GuiListControl::IItemBindingView*>(listControl->GetItemProvider()->RequestView(GuiListControl::IItemBindingView::Identifier));
			}

			void GuiTextListItemTemplate_ItemStyleProvider::DetachListControl()
			{
				if (listControl && bindingView)
				{
					listControl->GetItemProvider()->ReleaseView(bindingView);
				}
				listControl = 0;
				bindingView = 0;
			}

			vint GuiTextListItemTemplate_ItemStyleProvider::GetItemStyleId(vint itemIndex)
			{
				return 0;
			}

			controls::GuiListControl::IItemStyleController* GuiTextListItemTemplate_ItemStyleProvider::CreateItemStyle(vint styleId)
			{
				return new GuiTextListItemTemplate_ItemStyleController(this);
			}

			void GuiTextListItemTemplate_ItemStyleProvider::DestroyItemStyle(controls::GuiListControl::IItemStyleController* style)
			{
				delete style;
			}

			void GuiTextListItemTemplate_ItemStyleProvider::Install(controls::GuiListControl::IItemStyleController* style, vint itemIndex)
			{
				if (auto controller = dynamic_cast<GuiTextListItemTemplate_ItemStyleController*>(style))
				{
					Value viewModel;
					if (bindingView)
					{
						viewModel = bindingView->GetBindingValue(itemIndex);
					}
					
					GuiTemplate* itemTemplate = factory->CreateTemplate(viewModel);
					if (auto listItemTemplate = dynamic_cast<GuiTextListItemTemplate*>(itemTemplate))
					{
						listItemTemplate->SetFont(listControl->GetFont());
						listItemTemplate->SetIndex(itemIndex);
						listItemTemplate->SetTextColor(listControl->GetTextListStyleProvider()->GetTextColor());
						controller->SetTemplate(listItemTemplate);
					}
					else
					{
						delete itemTemplate;
					}
				}
			}

			void GuiTextListItemTemplate_ItemStyleProvider::SetStyleIndex(controls::GuiListControl::IItemStyleController* style, vint value)
			{
				if (auto controller = dynamic_cast<GuiTextListItemTemplate_ItemStyleController*>(style))
				{
					if (auto itemTemplate = controller->GetTemplate())
					{
						itemTemplate->SetIndex(value);
					}
				}
			}

			void GuiTextListItemTemplate_ItemStyleProvider::SetStyleSelected(controls::GuiListControl::IItemStyleController* style, bool value)
			{
				if (auto controller = dynamic_cast<GuiTextListItemTemplate_ItemStyleController*>(style))
				{
					controller->backgroundButton->SetSelected(value);
					if (auto itemTemplate = controller->GetTemplate())
					{
						itemTemplate->SetSelected(value);
					}
				}
			}

/***********************************************************************
GuiTextListItemTemplate_ItemStyleController
***********************************************************************/

			GuiTextListItemTemplate_ItemStyleController::GuiTextListItemTemplate_ItemStyleController(GuiTextListItemTemplate_ItemStyleProvider* _itemStyleProvider)
				:itemStyleProvider(_itemStyleProvider)
				, itemTemplate(0)
				, installed(false)
				, backgroundButton(0)
			{
				backgroundButton = new GuiSelectableButton(itemStyleProvider->listControl->GetTextListStyleProvider()->CreateItemBackground());
				backgroundButton->SetAutoSelection(false);
			}

			GuiTextListItemTemplate_ItemStyleController::~GuiTextListItemTemplate_ItemStyleController()
			{
				SafeDeleteControl(backgroundButton);
			}

			GuiTextListItemTemplate* GuiTextListItemTemplate_ItemStyleController::GetTemplate()
			{
				return itemTemplate;
			}

			void GuiTextListItemTemplate_ItemStyleController::SetTemplate(GuiTextListItemTemplate* _itemTemplate)
			{
				SafeDeleteComposition(itemTemplate);
				itemTemplate = _itemTemplate;
				itemTemplate->SetAlignmentToParent(Margin(0, 0, 0, 0));
				backgroundButton->GetContainerComposition()->AddChild(itemTemplate);
			}

			controls::GuiListControl::IItemStyleProvider* GuiTextListItemTemplate_ItemStyleController::GetStyleProvider()
			{
				return itemStyleProvider;
			}

			vint GuiTextListItemTemplate_ItemStyleController::GetItemStyleId()
			{
				return 0;
			}

			compositions::GuiBoundsComposition* GuiTextListItemTemplate_ItemStyleController::GetBoundsComposition()
			{
				return backgroundButton->GetBoundsComposition();
			}

			bool GuiTextListItemTemplate_ItemStyleController::IsCacheable()
			{
				return false;
			}

			bool GuiTextListItemTemplate_ItemStyleController::IsInstalled()
			{
				return installed;
			}

			void GuiTextListItemTemplate_ItemStyleController::OnInstalled()
			{
				installed = true;
			}

			void GuiTextListItemTemplate_ItemStyleController::OnUninstalled()
			{
				installed = false;
			}

/***********************************************************************
GuiTreeItemTemplate_ItemStyleProvider
***********************************************************************/

			void GuiTreeItemTemplate_ItemStyleProvider::UpdateExpandingButton(controls::tree::INodeProvider* node)
			{
				vint index=treeListControl->GetNodeItemView()->CalculateNodeVisibilityIndex(node);
				if(index!=-1)
				{
					if(auto style = treeListControl->GetArranger()->GetVisibleStyle(index))
					{
						if (auto controller = dynamic_cast<GuiTreeItemTemplate_ItemStyleController*>(style))
						{
							if (auto itemTemplate = dynamic_cast<GuiTreeItemTemplate*>(controller->GetTemplate()))
							{
								itemTemplate->SetExpanding(node->GetExpanding());
							}
						}
					}
				}
			}

			void GuiTreeItemTemplate_ItemStyleProvider::OnAttached(controls::tree::INodeRootProvider* provider)
			{
			}

			void GuiTreeItemTemplate_ItemStyleProvider::OnBeforeItemModified(controls::tree::INodeProvider* parentNode, vint start, vint count, vint newCount)
			{
			}

			void GuiTreeItemTemplate_ItemStyleProvider::OnAfterItemModified(controls::tree::INodeProvider* parentNode, vint start, vint count, vint newCount)
			{
				UpdateExpandingButton(parentNode);
			}

			void GuiTreeItemTemplate_ItemStyleProvider::OnItemExpanded(controls::tree::INodeProvider* node)
			{
				UpdateExpandingButton(node);
			}

			void GuiTreeItemTemplate_ItemStyleProvider::OnItemCollapsed(controls::tree::INodeProvider* node)
			{
				UpdateExpandingButton(node);
			}

			GuiTreeItemTemplate_ItemStyleProvider::GuiTreeItemTemplate_ItemStyleProvider(Ptr<GuiTemplate::IFactory> _factory)
				:factory(_factory)
				, treeListControl(0)
				, bindingView(0)
				, itemStyleProvider(0)
			{

			}

			GuiTreeItemTemplate_ItemStyleProvider::~GuiTreeItemTemplate_ItemStyleProvider()
			{
			}
				
			void GuiTreeItemTemplate_ItemStyleProvider::BindItemStyleProvider(controls::GuiListControl::IItemStyleProvider* styleProvider)
			{
				itemStyleProvider = styleProvider;
			}

			controls::GuiListControl::IItemStyleProvider* GuiTreeItemTemplate_ItemStyleProvider::GetBindedItemStyleProvider()
			{
				return itemStyleProvider;
			}

			void GuiTreeItemTemplate_ItemStyleProvider::AttachListControl(GuiListControl* value)
			{
				treeListControl = dynamic_cast<GuiVirtualTreeListControl*>(value);
				if (treeListControl)
				{
					treeListControl->GetNodeRootProvider()->AttachCallback(this);
					bindingView = dynamic_cast<tree::INodeItemBindingView*>(treeListControl->GetNodeRootProvider()->RequestView(tree::INodeItemBindingView::Identifier));
				}
			}

			void GuiTreeItemTemplate_ItemStyleProvider::DetachListControl()
			{
				if (treeListControl)
				{
					treeListControl->GetNodeRootProvider()->DetachCallback(this);
					if (bindingView)
					{
						treeListControl->GetNodeRootProvider()->ReleaseView(bindingView);
					}
				}
				treeListControl = 0;
				bindingView = 0;
			}

			vint GuiTreeItemTemplate_ItemStyleProvider::GetItemStyleId(controls::tree::INodeProvider* node)
			{
				return 0;
			}

			controls::tree::INodeItemStyleController* GuiTreeItemTemplate_ItemStyleProvider::CreateItemStyle(vint styleId)
			{
				return new GuiTreeItemTemplate_ItemStyleController(this);
			}

			void GuiTreeItemTemplate_ItemStyleProvider::DestroyItemStyle(controls::tree::INodeItemStyleController* style)
			{
				delete style;
			}

			void GuiTreeItemTemplate_ItemStyleProvider::Install(controls::tree::INodeItemStyleController* style, controls::tree::INodeProvider* node, vint itemIndex)
			{
				if (auto controller = dynamic_cast<GuiTreeItemTemplate_ItemStyleController*>(style))
				{
					Value viewModel;
					if (bindingView)
					{
						viewModel = bindingView->GetBindingValue(node);
					}
					
					GuiTemplate* itemTemplate = factory->CreateTemplate(viewModel);
					if (auto treeItemTemplate = dynamic_cast<GuiTreeItemTemplate*>(itemTemplate))
					{
						treeItemTemplate->SetFont(treeListControl->GetFont());
						treeItemTemplate->SetIndex(itemIndex);
						controller->SetTemplate(treeItemTemplate);
					}
					else
					{
						delete itemTemplate;
					}
				}
			}

			void GuiTreeItemTemplate_ItemStyleProvider::SetStyleIndex(controls::tree::INodeItemStyleController* style, vint value)
			{
				if (auto controller = dynamic_cast<GuiTreeItemTemplate_ItemStyleController*>(style))
				{
					if (auto itemTemplate = controller->GetTemplate())
					{
						itemTemplate->SetIndex(value);
					}
				}
			}

			void GuiTreeItemTemplate_ItemStyleProvider::SetStyleSelected(controls::tree::INodeItemStyleController* style, bool value)
			{
				if (auto controller = dynamic_cast<GuiTreeItemTemplate_ItemStyleController*>(style))
				{
					if (auto itemTemplate = controller->GetTemplate())
					{
						itemTemplate->SetSelected(value);
					}
				}
			}

/***********************************************************************
GuiTreeItemTemplate_ItemStyleController
***********************************************************************/

			GuiTreeItemTemplate_ItemStyleController::GuiTreeItemTemplate_ItemStyleController(GuiTreeItemTemplate_ItemStyleProvider* _nodeStyleProvider)
				:nodeStyleProvider(_nodeStyleProvider)
				, itemTemplate(0)
				, installed(false)
			{
			}

			GuiTreeItemTemplate_ItemStyleController::~GuiTreeItemTemplate_ItemStyleController()
			{
			}

			GuiTreeItemTemplate* GuiTreeItemTemplate_ItemStyleController::GetTemplate()
			{
				return itemTemplate;
			}

			void GuiTreeItemTemplate_ItemStyleController::SetTemplate(GuiTreeItemTemplate* _itemTemplate)
			{
				SafeDeleteComposition(itemTemplate);
				itemTemplate = _itemTemplate;
			}

			controls::GuiListControl::IItemStyleProvider* GuiTreeItemTemplate_ItemStyleController::GetStyleProvider()
			{
				return nodeStyleProvider->GetBindedItemStyleProvider();
			}

			vint GuiTreeItemTemplate_ItemStyleController::GetItemStyleId()
			{
				return 0;
			}

			compositions::GuiBoundsComposition* GuiTreeItemTemplate_ItemStyleController::GetBoundsComposition()
			{
				return itemTemplate;
			}

			bool GuiTreeItemTemplate_ItemStyleController::IsCacheable()
			{
				return false;
			}

			bool GuiTreeItemTemplate_ItemStyleController::IsInstalled()
			{
				return installed;
			}

			void GuiTreeItemTemplate_ItemStyleController::OnInstalled()
			{
				installed = true;
			}

			void GuiTreeItemTemplate_ItemStyleController::OnUninstalled()
			{
				installed = false;
			}

			controls::tree::INodeItemStyleProvider* GuiTreeItemTemplate_ItemStyleController::GetNodeStyleProvider()
			{
				return nodeStyleProvider;
			}

/***********************************************************************
GuiBindableDataVisualizer::Factory
***********************************************************************/

			GuiBindableDataVisualizer::Factory::Factory(Ptr<GuiTemplate::IFactory> _templateFactory, controls::list::BindableDataColumn* _ownerColumn)
				:templateFactory(_templateFactory)
				, ownerColumn(_ownerColumn)
			{
			}

			GuiBindableDataVisualizer::Factory::~Factory()
			{
			}

			Ptr<controls::list::IDataVisualizer> GuiBindableDataVisualizer::Factory::CreateVisualizer(const FontProperties& font, controls::GuiListViewBase::IStyleProvider* styleProvider)
			{
				auto visualizer = DataVisualizerFactory<GuiBindableDataVisualizer>::CreateVisualizer(font, styleProvider).Cast<GuiBindableDataVisualizer>();
				if (visualizer)
				{
					visualizer->templateFactory = templateFactory;
					visualizer->ownerColumn = ownerColumn;
				}
				return visualizer;
			}

/***********************************************************************
GuiBindableDataVisualizer::DecoratedFactory
***********************************************************************/

			GuiBindableDataVisualizer::DecoratedFactory::DecoratedFactory(Ptr<GuiTemplate::IFactory> _templateFactory, controls::list::BindableDataColumn* _ownerColumn, Ptr<controls::list::IDataVisualizerFactory> _decoratedFactory)
				:DataDecoratableVisualizerFactory<GuiBindableDataVisualizer>(_decoratedFactory)
				, templateFactory(_templateFactory)
				, ownerColumn(_ownerColumn)
			{
			}

			GuiBindableDataVisualizer::DecoratedFactory::~DecoratedFactory()
			{
			}

			Ptr<controls::list::IDataVisualizer> GuiBindableDataVisualizer::DecoratedFactory::CreateVisualizer(const FontProperties& font, controls::GuiListViewBase::IStyleProvider* styleProvider)
			{
				auto visualizer = DataDecoratableVisualizerFactory<GuiBindableDataVisualizer>::CreateVisualizer(font, styleProvider).Cast<GuiBindableDataVisualizer>();
				if (visualizer)
				{
					visualizer->templateFactory = templateFactory;
					visualizer->ownerColumn = ownerColumn;
				}
				return visualizer;
			}

/***********************************************************************
GuiBindableDataVisualizer
***********************************************************************/

			compositions::GuiBoundsComposition* GuiBindableDataVisualizer::CreateBoundsCompositionInternal(compositions::GuiBoundsComposition* decoratedComposition)
			{
				GuiTemplate* itemTemplate = templateFactory->CreateTemplate(ownerColumn->GetViewModelContext());
				if (!(visualizerTemplate = dynamic_cast<GuiGridVisualizerTemplate*>(itemTemplate)))
				{
					delete itemTemplate;
					CHECK_FAIL(L"GuiBindableDataVisualizer::CreateBoundsCompositionInternal(presentation::compositions::GuiBoundsComposition*)#An instance of GuiGridVisualizerTemplate is expected.");
				}

				if (decoratedComposition)
				{
					decoratedComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
					visualizerTemplate->GetContainerComposition()->AddChild(decoratedComposition);
				}
				visualizerTemplate->SetFont(font);
				return visualizerTemplate;
			}

			GuiBindableDataVisualizer::GuiBindableDataVisualizer()
			{
			}

			GuiBindableDataVisualizer::GuiBindableDataVisualizer(Ptr<controls::list::IDataVisualizer> _decoratedVisualizer)
				:DataVisualizerBase(_decoratedVisualizer)
			{
			}

			GuiBindableDataVisualizer::~GuiBindableDataVisualizer()
			{
			}

			void GuiBindableDataVisualizer::BeforeVisualizeCell(controls::list::IDataProvider* dataProvider, vint row, vint column)
			{
				DataVisualizerBase::BeforeVisualizeCell(dataProvider, row, column);
				if (!visualizerTemplate) return;
				visualizerTemplate->SetText(dataProvider->GetCellText(row, column));

				auto structuredDataProvider = dynamic_cast<list::StructuredDataProvider*>(dataProvider);
				if (!structuredDataProvider) return;

				auto bindableDataProvider = structuredDataProvider->GetStructuredDataProvider().Cast<list::BindableDataProvider>();
				if (!bindableDataProvider) return;

				auto columnProvider = bindableDataProvider->GetBindableColumn(column);
				if (!columnProvider) return;

				visualizerTemplate->SetRowValue(bindableDataProvider->GetRowValue(row));
				visualizerTemplate->SetCellValue(columnProvider->GetCellValue(row));
			}

			void GuiBindableDataVisualizer::SetSelected(bool value)
			{
				DataVisualizerBase::SetSelected(value);
				if (visualizerTemplate)
				{
					visualizerTemplate->SetSelected(value);
				}
			}

/***********************************************************************
GuiBindableDataEditor::Factory
***********************************************************************/

			GuiBindableDataEditor::Factory::Factory(Ptr<GuiTemplate::IFactory> _templateFactory, controls::list::BindableDataColumn* _ownerColumn)
				:templateFactory(_templateFactory)
				, ownerColumn(_ownerColumn)
			{
			}

			GuiBindableDataEditor::Factory::~Factory()
			{
			}

			Ptr<controls::list::IDataEditor> GuiBindableDataEditor::Factory::CreateEditor(controls::list::IDataEditorCallback* callback)
			{
				auto editor = DataEditorFactory<GuiBindableDataEditor>::CreateEditor(callback).Cast<GuiBindableDataEditor>();
				if (editor)
				{
					editor->templateFactory = templateFactory;
					editor->ownerColumn = ownerColumn;

					// Invoke GuiBindableDataEditor::CreateBoundsCompositionInternal
					// so that GuiBindableDataEditor::BeforeEditCell is able to set RowValue and CellValue to the editor
					editor->GetBoundsComposition();
				}
				return editor;
			}

/***********************************************************************
GuiBindableDataEditor
***********************************************************************/

			compositions::GuiBoundsComposition* GuiBindableDataEditor::CreateBoundsCompositionInternal()
			{
				GuiTemplate* itemTemplate = templateFactory->CreateTemplate(ownerColumn->GetViewModelContext());
				if (!(editorTemplate = dynamic_cast<GuiGridEditorTemplate*>(itemTemplate)))
				{
					delete itemTemplate;
					CHECK_FAIL(L"GuiBindableDataEditor::CreateBoundsCompositionInternal()#An instance of GuiGridEditorTemplate is expected.");
				}

				editorTemplate->CellValueChanged.AttachMethod(this, &GuiBindableDataEditor::editorTemplate_CellValueChanged);
				return editorTemplate;
			}

			void GuiBindableDataEditor::editorTemplate_CellValueChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if (callback)
				{
					callback->RequestSaveData();
				}
			}

			GuiBindableDataEditor::GuiBindableDataEditor()
			{
			}

			GuiBindableDataEditor::~GuiBindableDataEditor()
			{
			}

			void GuiBindableDataEditor::BeforeEditCell(controls::list::IDataProvider* dataProvider, vint row, vint column)
			{
				DataEditorBase::BeforeEditCell(dataProvider, row, column);
				if (!editorTemplate) return;
				editorTemplate->SetText(dataProvider->GetCellText(row, column));

				auto structuredDataProvider = dynamic_cast<list::StructuredDataProvider*>(dataProvider);
				if (!structuredDataProvider) return;

				auto bindableDataProvider = structuredDataProvider->GetStructuredDataProvider().Cast<list::BindableDataProvider>();
				if (!bindableDataProvider) return;

				auto columnProvider = bindableDataProvider->GetBindableColumn(column);
				if (!columnProvider) return;

				editorTemplate->SetRowValue(bindableDataProvider->GetRowValue(row));
				editorTemplate->SetCellValue(columnProvider->GetCellValue(row));
			}

			description::Value GuiBindableDataEditor::GetEditedCellValue()
			{
				if (editorTemplate)
				{
					return editorTemplate->GetCellValue();
				}
				else
				{
					return description::Value();
				}
			}

/***********************************************************************
Helper Functions
***********************************************************************/

			void SplitBySemicolon(const WString& input, collections::List<WString>& fragments)
			{
				const wchar_t* attValue = input.Buffer();
				while(*attValue)
				{
					// split the value by ';'
					const wchar_t* attSemicolon = wcschr(attValue, L';');
					WString pattern;
					if(attSemicolon)
					{
						pattern = WString(attValue, vint(attSemicolon - attValue));
						attValue = attSemicolon + 1;
					}
					else
					{
						vint len = wcslen(attValue);
						pattern = WString(attValue, len);
						attValue += len;
					}

					fragments.Add(pattern);
				}
			}

			Ptr<GuiTemplate::IFactory> CreateTemplateFactory(const WString& typeValues)
			{
				List<ITypeDescriptor*> types;
				List<WString> typeNames;
				SplitBySemicolon(typeValues, typeNames);
				CopyFrom(
					types,
					From(typeNames)
						.Select<ITypeDescriptor*(*)(const WString&)>(&description::GetTypeDescriptor)
						.Where([](ITypeDescriptor* type){return type != 0; })
					);

				return GuiTemplate::IFactory::CreateTemplateFactory(types);
			}
		}
	}
}

/***********************************************************************
CONTROLS\TEXTEDITORPACKAGE\GUIDOCUMENTVIEWER.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace collections;
			using namespace elements;
			using namespace compositions;

/***********************************************************************
GuiDocumentItem
***********************************************************************/

			GuiDocumentItem::GuiDocumentItem(const WString& _name)
				:name(_name)
			{
				container = new GuiBoundsComposition;
				container->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				container->SetAssociatedCursor(GetCurrentController()->ResourceService()->GetSystemCursor(INativeCursor::Arrow));
			}

			GuiDocumentItem::~GuiDocumentItem()
			{
				if (!owned)
				{
					SafeDeleteComposition(container);
				}
			}

			compositions::GuiGraphicsComposition* GuiDocumentItem::GetContainer()
			{
				return container;
			}

			WString GuiDocumentItem::GetName()
			{
				return name;
			}

/***********************************************************************
GuiDocumentCommonInterface
***********************************************************************/

			void GuiDocumentCommonInterface::UpdateCaretPoint()
			{
				GuiGraphicsHost* host=documentComposition->GetRelatedGraphicsHost();
				if(host)
				{
					Rect caret=documentElement->GetCaretBounds(documentElement->GetCaretEnd(), documentElement->IsCaretEndPreferFrontSide());
					Point view=GetDocumentViewPosition();
					vint x=caret.x1-view.x;
					vint y=caret.y2-view.y;
					host->SetCaretPoint(Point(x, y), documentComposition);
				}
			}

			void GuiDocumentCommonInterface::Move(TextPos caret, bool shift, bool frontSide)
			{
				TextPos begin=documentElement->GetCaretBegin();
				TextPos end=documentElement->GetCaretEnd();
				
				TextPos newBegin=shift?begin:caret;
				TextPos newEnd=caret;
				documentElement->SetCaret(newBegin, newEnd, frontSide);
				documentElement->SetCaretVisible(true);

				Rect bounds=documentElement->GetCaretBounds(newEnd, frontSide);
				if(bounds!=Rect())
				{
					bounds.x1-=15;
					bounds.y1-=15;
					bounds.x2+=15;
					bounds.y2+=15;
					EnsureRectVisible(bounds);
				}
				UpdateCaretPoint();
				SelectionChanged.Execute(documentControl->GetNotifyEventArguments());
			}

			bool GuiDocumentCommonInterface::ProcessKey(vint code, bool shift, bool ctrl)
			{
				if(IGuiShortcutKeyItem* item=internalShortcutKeyManager->TryGetShortcut(ctrl, shift, false, code))
				{
					GuiEventArgs arguments;
					item->Executed.Execute(arguments);
					return true;
				}

				TextPos currentCaret=documentElement->GetCaretEnd();
				bool frontSide=documentElement->IsCaretEndPreferFrontSide();
				TextPos begin=documentElement->GetCaretBegin();
				TextPos end=documentElement->GetCaretEnd();

				switch(code)
				{
				case VKEY_UP:
					{
						TextPos newCaret=documentElement->CalculateCaret(currentCaret, IGuiGraphicsParagraph::CaretMoveUp, frontSide);
						Move(newCaret, shift, frontSide);
					}
					break;
				case VKEY_DOWN:
					{
						TextPos newCaret=documentElement->CalculateCaret(currentCaret, IGuiGraphicsParagraph::CaretMoveDown, frontSide);
						Move(newCaret, shift, frontSide);
					}
					break;
				case VKEY_LEFT:
					{
						TextPos newCaret=documentElement->CalculateCaret(currentCaret, IGuiGraphicsParagraph::CaretMoveLeft, frontSide);
						Move(newCaret, shift, frontSide);
					}
					break;
				case VKEY_RIGHT:
					{
						TextPos newCaret=documentElement->CalculateCaret(currentCaret, IGuiGraphicsParagraph::CaretMoveRight, frontSide);
						Move(newCaret, shift, frontSide);
					}
					break;
				case VKEY_HOME:
					{
						TextPos newCaret=documentElement->CalculateCaret(currentCaret, IGuiGraphicsParagraph::CaretLineFirst, frontSide);
						if(newCaret==currentCaret)
						{
							newCaret=documentElement->CalculateCaret(currentCaret, IGuiGraphicsParagraph::CaretFirst, frontSide);
						}
						Move(newCaret, shift, frontSide);
					}
					break;
				case VKEY_END:
					{
						TextPos newCaret=documentElement->CalculateCaret(currentCaret, IGuiGraphicsParagraph::CaretLineLast, frontSide);
						if(newCaret==currentCaret)
						{
							newCaret=documentElement->CalculateCaret(currentCaret, IGuiGraphicsParagraph::CaretLast, frontSide);
						}
						Move(newCaret, shift, frontSide);
					}
					break;
				case VKEY_PRIOR:
					{
					}
					break;
				case VKEY_NEXT:
					{
					}
					break;
				case VKEY_BACK:
					if(editMode==Editable)
					{
						if(begin==end)
						{
							ProcessKey(VKEY_LEFT, true, false);
						}
						Array<WString> text;
						EditText(documentElement->GetCaretBegin(), documentElement->GetCaretEnd(), documentElement->IsCaretEndPreferFrontSide(), text);
						return true;
					}
					break;
				case VKEY_DELETE:
					if(editMode==Editable)
					{
						if(begin==end)
						{
							ProcessKey(VKEY_RIGHT, true, false);
						}
						Array<WString> text;
						EditText(documentElement->GetCaretBegin(), documentElement->GetCaretEnd(), documentElement->IsCaretEndPreferFrontSide(), text);
						return true;
					}
					break;
				case VKEY_RETURN:
					if(editMode==Editable)
					{
						if(ctrl)
						{
							Array<WString> text(1);
							text[0]=L"\r\n";
							EditText(documentElement->GetCaretBegin(), documentElement->GetCaretEnd(), documentElement->IsCaretEndPreferFrontSide(), text);
						}
						else
						{
							Array<WString> text(2);
							EditText(documentElement->GetCaretBegin(), documentElement->GetCaretEnd(), documentElement->IsCaretEndPreferFrontSide(), text);
						}
						return true;
					}
					break;
				}
				return false;
			}

			void GuiDocumentCommonInterface::InstallDocumentViewer(GuiControl* _sender, compositions::GuiGraphicsComposition* _container)
			{
				documentControl=_sender;

				documentElement=GuiDocumentElement::Create();
				documentElement->SetCallback(this);

				documentComposition=new GuiBoundsComposition;
				documentComposition->SetOwnedElement(documentElement);
				documentComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElement);
				documentComposition->SetAlignmentToParent(Margin(5, 5, 5, 5));
				_container->AddChild(documentComposition);

				documentComposition->GetEventReceiver()->mouseMove.AttachMethod(this, &GuiDocumentCommonInterface::OnMouseMove);
				documentComposition->GetEventReceiver()->leftButtonDown.AttachMethod(this, &GuiDocumentCommonInterface::OnMouseDown);
				documentComposition->GetEventReceiver()->leftButtonUp.AttachMethod(this, &GuiDocumentCommonInterface::OnMouseUp);
				documentComposition->GetEventReceiver()->mouseLeave.AttachMethod(this, &GuiDocumentCommonInterface::OnMouseLeave);

				_sender->FontChanged.AttachMethod(this, &GuiDocumentCommonInterface::OnFontChanged);
				_sender->GetFocusableComposition()->GetEventReceiver()->caretNotify.AttachMethod(this, &GuiDocumentCommonInterface::OnCaretNotify);
				_sender->GetFocusableComposition()->GetEventReceiver()->gotFocus.AttachMethod(this, &GuiDocumentCommonInterface::OnGotFocus);
				_sender->GetFocusableComposition()->GetEventReceiver()->lostFocus.AttachMethod(this, &GuiDocumentCommonInterface::OnLostFocus);
				_sender->GetFocusableComposition()->GetEventReceiver()->keyDown.AttachMethod(this, &GuiDocumentCommonInterface::OnKeyDown);
				_sender->GetFocusableComposition()->GetEventReceiver()->charInput.AttachMethod(this, &GuiDocumentCommonInterface::OnCharInput);

				undoRedoProcessor->Setup(documentElement, documentComposition);
				ActiveHyperlinkChanged.SetAssociatedComposition(_sender->GetBoundsComposition());
				ActiveHyperlinkExecuted.SetAssociatedComposition(_sender->GetBoundsComposition());
				SelectionChanged.SetAssociatedComposition(_sender->GetBoundsComposition());
			}

			void GuiDocumentCommonInterface::SetActiveHyperlink(Ptr<DocumentHyperlinkRun> hyperlink, vint paragraphIndex)
			{
				if(activeHyperlink!=hyperlink)
				{
					ActivateActiveHyperlink(false);
					activeHyperlink=hyperlink;
					activeHyperlinkParagraph=paragraphIndex;
					ActivateActiveHyperlink(true);
					ActiveHyperlinkChanged.Execute(documentControl->GetNotifyEventArguments());
				}
			}

			void GuiDocumentCommonInterface::ActivateActiveHyperlink(bool activate)
			{
				if(activeHyperlink)
				{
					activeHyperlink->styleName=activate?activeHyperlink->activeStyleName:activeHyperlink->normalStyleName;
					documentElement->NotifyParagraphUpdated(activeHyperlinkParagraph, 1, 1, false);
				}
			}

			void GuiDocumentCommonInterface::AddShortcutCommand(vint key, const Func<void()>& eventHandler)
			{
				IGuiShortcutKeyItem* item=internalShortcutKeyManager->CreateShortcut(true, false, false, key);
				item->Executed.AttachLambda([=](GuiGraphicsComposition* sender, GuiEventArgs& arguments)
				{
					eventHandler();
				});
			}

			void GuiDocumentCommonInterface::EditTextInternal(TextPos begin, TextPos end, const Func<void(TextPos, TextPos, vint&, vint&)>& editor)
			{
				// save run before editing
				if(begin>end)
				{
					TextPos temp=begin;
					begin=end;
					end=temp;
				}
				Ptr<DocumentModel> originalModel=documentElement->GetDocument()->CopyDocument(begin, end, true);
				if(originalModel)
				{
					// edit
					vint paragraphCount=0;
					vint lastParagraphLength=0;
					editor(begin, end, paragraphCount, lastParagraphLength);

					// calculate new caret
					TextPos caret;
					if(paragraphCount==0)
					{
						caret=begin;
					}
					else if(paragraphCount==1)
					{
						caret=TextPos(begin.row, begin.column+lastParagraphLength);
					}
					else
					{
						caret=TextPos(begin.row+paragraphCount-1, lastParagraphLength);
					}
					documentElement->SetCaret(caret, caret, true);
					documentControl->TextChanged.Execute(documentControl->GetNotifyEventArguments());

					// save run after editing
					Ptr<DocumentModel> inputModel=documentElement->GetDocument()->CopyDocument(begin, caret, true);

					// submit redo-undo
					GuiDocumentUndoRedoProcessor::ReplaceModelStruct arguments;
					arguments.originalStart=begin;
					arguments.originalEnd=end;
					arguments.originalModel=originalModel;
					arguments.inputStart=begin;
					arguments.inputEnd=caret;
					arguments.inputModel=inputModel;
					undoRedoProcessor->OnReplaceModel(arguments);
				}
			}

			void GuiDocumentCommonInterface::EditStyleInternal(TextPos begin, TextPos end, const Func<void(TextPos, TextPos)>& editor)
			{
				// save run before editing
				if(begin>end)
				{
					TextPos temp=begin;
					begin=end;
					end=temp;
				}
				Ptr<DocumentModel> originalModel=documentElement->GetDocument()->CopyDocument(begin, end, true);
				if(originalModel)
				{
					// edit
					editor(begin, end);

					// save run after editing
					Ptr<DocumentModel> inputModel=documentElement->GetDocument()->CopyDocument(begin, end, true);

					// submit redo-undo
					GuiDocumentUndoRedoProcessor::ReplaceModelStruct arguments;
					arguments.originalStart=begin;
					arguments.originalEnd=end;
					arguments.originalModel=originalModel;
					arguments.inputStart=begin;
					arguments.inputEnd=end;
					arguments.inputModel=inputModel;
					undoRedoProcessor->OnReplaceModel(arguments);
				}
			}

			void GuiDocumentCommonInterface::MergeBaselineAndDefaultFont(Ptr<DocumentModel> document)
			{
				document->MergeDefaultFont(documentControl->GetFont());
				if (baselineDocument)
				{
					document->MergeBaselineStyles(baselineDocument);
				}
			}

			void GuiDocumentCommonInterface::OnFontChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				auto document = documentElement->GetDocument();
				MergeBaselineAndDefaultFont(document);
				documentElement->SetDocument(document);
			}

			void GuiDocumentCommonInterface::OnCaretNotify(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(documentControl->GetVisuallyEnabled())
				{
					if(editMode!=ViewOnly)
					{
						documentElement->SetCaretVisible(!documentElement->GetCaretVisible());
					}
				}
			}

			void GuiDocumentCommonInterface::OnGotFocus(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(documentControl->GetVisuallyEnabled())
				{
					if(editMode!=ViewOnly)
					{
						documentElement->SetCaretVisible(true);
						UpdateCaretPoint();
					}
				}
			}

			void GuiDocumentCommonInterface::OnLostFocus(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(documentControl->GetVisuallyEnabled())
				{
					documentElement->SetCaretVisible(false);
				}
			}

			void GuiDocumentCommonInterface::OnKeyDown(compositions::GuiGraphicsComposition* sender, compositions::GuiKeyEventArgs& arguments)
			{
				if(documentControl->GetVisuallyEnabled())
				{
					if(editMode!=ViewOnly)
					{
						if(ProcessKey(arguments.code, arguments.shift, arguments.ctrl))
						{
							arguments.handled=true;
						}
					}
				}
			}

			void GuiDocumentCommonInterface::OnCharInput(compositions::GuiGraphicsComposition* sender, compositions::GuiCharEventArgs& arguments)
			{
				if(documentControl->GetVisuallyEnabled())
				{
					if(editMode==Editable && arguments.code!=VKEY_ESCAPE && arguments.code!=VKEY_BACK && arguments.code!=VKEY_RETURN && !arguments.ctrl)
					{
						Array<WString> text(1);
						text[0]=WString(arguments.code);
						EditText(documentElement->GetCaretBegin(), documentElement->GetCaretEnd(), documentElement->IsCaretEndPreferFrontSide(), text);
					}
				}
			}

			void GuiDocumentCommonInterface::OnMouseMove(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(documentControl->GetVisuallyEnabled())
				{
					switch(editMode)
					{
					case ViewOnly:
						{
							Point point(arguments.x, arguments.y);
							Ptr<DocumentHyperlinkRun> hyperlink=documentElement->GetHyperlinkFromPoint(point);
							vint hyperlinkParagraph=hyperlink?documentElement->CalculateCaretFromPoint(point).row:-1;

							if(dragging)
							{
								if(activeHyperlink)
								{
									ActivateActiveHyperlink(activeHyperlink==hyperlink);
								}
							}
							else
							{
								SetActiveHyperlink(hyperlink, hyperlinkParagraph);
							}

							if(activeHyperlink && activeHyperlink==hyperlink)
							{
								INativeCursor* cursor=GetCurrentController()->ResourceService()->GetSystemCursor(INativeCursor::Hand);
								documentComposition->SetAssociatedCursor(cursor);
							}
							else
							{
								documentComposition->SetAssociatedCursor(0);
							}
						}
						break;
					case Selectable:
					case Editable:
						if(dragging)
						{
							TextPos caret=documentElement->CalculateCaretFromPoint(Point(arguments.x, arguments.y));
							TextPos oldCaret=documentElement->GetCaretBegin();
							Move(caret, true, (oldCaret==caret?documentElement->IsCaretEndPreferFrontSide():caret<oldCaret));
						}
						break;
					}
				}
			}

			void GuiDocumentCommonInterface::OnMouseDown(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(documentControl->GetVisuallyEnabled())
				{
					documentControl->SetFocus();
					switch(editMode)
					{
					case ViewOnly:
						{
							Point point(arguments.x, arguments.y);
							Ptr<DocumentHyperlinkRun> hyperlink=documentElement->GetHyperlinkFromPoint(point);
							vint hyperlinkParagraph=hyperlink?documentElement->CalculateCaretFromPoint(point).row:-1;
							SetActiveHyperlink(hyperlink, hyperlinkParagraph);
						}
						break;
					case Selectable:
					case Editable:
						{
							TextPos caret=documentElement->CalculateCaretFromPoint(Point(arguments.x, arguments.y));
							TextPos oldCaret=documentElement->GetCaretEnd();
							if(caret!=oldCaret)
							{
								Move(caret, arguments.shift, caret<oldCaret);
							}
						}
						break;
					}
					dragging=true;
				}
			}

			void GuiDocumentCommonInterface::OnMouseUp(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(documentControl->GetVisuallyEnabled())
				{
					dragging=false;
					switch(editMode)
					{
					case ViewOnly:
						{
							Point point(arguments.x, arguments.y);
							Ptr<DocumentHyperlinkRun> hyperlink=documentElement->GetHyperlinkFromPoint(point);
							if(activeHyperlink!=hyperlink)
							{
								SetActiveHyperlink(0);
							}
							if(activeHyperlink)
							{
								ActiveHyperlinkExecuted.Execute(documentControl->GetNotifyEventArguments());
							}
						}
						break;
					default:;
					}
				}
			}

			void GuiDocumentCommonInterface::OnMouseLeave(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				SetActiveHyperlink(0);
			}

			Point GuiDocumentCommonInterface::GetDocumentViewPosition()
			{
				return Point(0, 0);
			}

			void GuiDocumentCommonInterface::EnsureRectVisible(Rect bounds)
			{
			}

			//================ callback

			void GuiDocumentCommonInterface::OnStartRender()
			{
				FOREACH(Ptr<GuiDocumentItem>, item, documentItems.Values())
				{
					item->visible = false;
				}
			}

			void GuiDocumentCommonInterface::OnFinishRender()
			{
				FOREACH(Ptr<GuiDocumentItem>, item, documentItems.Values())
				{
					if (item->container->GetVisible() != item->visible)
					{
						item->container->SetVisible(item->visible);
					}
				}
			}

			Size GuiDocumentCommonInterface::OnRenderEmbeddedObject(const WString& name, const Rect& location)
			{
				vint index = documentItems.Keys().IndexOf(name);
				if (index != -1)
				{
					auto item = documentItems.Values()[index];
					auto size = item->container->GetBounds().GetSize();
					item->container->SetBounds(Rect(location.LeftTop(), Size(0, 0)));
					item->visible = true;
					return size;
				}
				return Size();
			}

			//================ basic

			GuiDocumentCommonInterface::GuiDocumentCommonInterface(Ptr<DocumentModel> _baselineDocument)
				:baselineDocument(_baselineDocument)
				,documentElement(0)
				,documentComposition(0)
				,activeHyperlinkParagraph(-1)
				,dragging(false)
				,editMode(ViewOnly)
				,documentControl(0)
			{
				undoRedoProcessor=new GuiDocumentUndoRedoProcessor;

				internalShortcutKeyManager=new GuiShortcutKeyManager;
				AddShortcutCommand('Z', Func<bool()>(this, &GuiDocumentCommonInterface::Undo));
				AddShortcutCommand('Y', Func<bool()>(this, &GuiDocumentCommonInterface::Redo));
				AddShortcutCommand('A', Func<void()>(this, &GuiDocumentCommonInterface::SelectAll));
				AddShortcutCommand('X', Func<bool()>(this, &GuiDocumentCommonInterface::Cut));
				AddShortcutCommand('C', Func<bool()>(this, &GuiDocumentCommonInterface::Copy));
				AddShortcutCommand('V', Func<bool()>(this, &GuiDocumentCommonInterface::Paste));
			}

			GuiDocumentCommonInterface::~GuiDocumentCommonInterface()
			{
			}

			Ptr<DocumentModel> GuiDocumentCommonInterface::GetDocument()
			{
				return documentElement->GetDocument();
			}

			void GuiDocumentCommonInterface::SetDocument(Ptr<DocumentModel> value)
			{
				SetActiveHyperlink(0);
				ClearUndoRedo();
				NotifyModificationSaved();
				if(value->paragraphs.Count()==0)
				{
					value->paragraphs.Add(new DocumentParagraphRun);
				}

				MergeBaselineAndDefaultFont(value);
				documentElement->SetDocument(value);
			}

			//================ document items

			bool GuiDocumentCommonInterface::AddDocumentItem(Ptr<GuiDocumentItem> value)
			{
				if (documentItems.Keys().Contains(value->GetName()))
				{
					return false;
				}
				documentItems.Add(value->GetName(), value);
				documentComposition->AddChild(value->container);
				value->visible = false;
				value->owned = true;
				value->container->SetVisible(false);
				return true;
			}

			bool GuiDocumentCommonInterface::RemoveDocumentItem(Ptr<GuiDocumentItem> value)
			{
				vint index = documentItems.Keys().IndexOf(value->GetName());
				if (index == -1)
				{
					return false;
				}
				if (documentItems.Values()[index] != value)
				{
					return false;
				}
				value->owned = false;
				documentComposition->RemoveChild(value->container);
				documentItems.Remove(value->GetName());
				return true;
			}

			const GuiDocumentCommonInterface::DocumentItemMap& GuiDocumentCommonInterface::GetDocumentItems()
			{
				return documentItems;
			}

			//================ caret operations

			TextPos GuiDocumentCommonInterface::GetCaretBegin()
			{
				return documentElement->GetCaretBegin();
			}

			TextPos GuiDocumentCommonInterface::GetCaretEnd()
			{
				return documentElement->GetCaretEnd();
			}

			void GuiDocumentCommonInterface::SetCaret(TextPos begin, TextPos end)
			{
				documentElement->SetCaret(begin, end, end>=begin);
			}

			TextPos GuiDocumentCommonInterface::CalculateCaretFromPoint(Point point)
			{
				return documentElement->CalculateCaretFromPoint(point);
			}

			Rect GuiDocumentCommonInterface::GetCaretBounds(TextPos caret, bool frontSide)
			{
				return documentElement->GetCaretBounds(caret, frontSide);
			}

			//================ editing operations

			void GuiDocumentCommonInterface::NotifyParagraphUpdated(vint index, vint oldCount, vint newCount, bool updatedText)
			{
				documentElement->NotifyParagraphUpdated(index, oldCount, newCount, updatedText);
			}

			void GuiDocumentCommonInterface::EditRun(TextPos begin, TextPos end, Ptr<DocumentModel> model)
			{
				EditTextInternal(begin, end, [=](TextPos begin, TextPos end, vint& paragraphCount, vint& lastParagraphLength)
				{
					documentElement->EditRun(begin, end, model);
					paragraphCount=model->paragraphs.Count();
					lastParagraphLength=paragraphCount==0?0:model->paragraphs[paragraphCount-1]->GetText(false).Length();
				});
			}

			void GuiDocumentCommonInterface::EditText(TextPos begin, TextPos end, bool frontSide, const collections::Array<WString>& text)
			{
				EditTextInternal(begin, end, [=, &text](TextPos begin, TextPos end, vint& paragraphCount, vint& lastParagraphLength)
				{
					documentElement->EditText(begin, end, frontSide, text);
					paragraphCount=text.Count();
					lastParagraphLength=paragraphCount==0?0:text[paragraphCount-1].Length();
				});
			}

			void GuiDocumentCommonInterface::EditStyle(TextPos begin, TextPos end, Ptr<DocumentStyleProperties> style)
			{
				EditStyleInternal(begin, end, [=](TextPos begin, TextPos end)
				{
					documentElement->EditStyle(begin, end, style);
				});
			}

			void GuiDocumentCommonInterface::EditImage(TextPos begin, TextPos end, Ptr<GuiImageData> image)
			{
				EditTextInternal(begin, end, [=](TextPos begin, TextPos end, vint& paragraphCount, vint& lastParagraphLength)
				{
					documentElement->EditImage(begin, end, image);
					paragraphCount=1;
					lastParagraphLength=wcslen(DocumentImageRun::RepresentationText);
				});
			}

			void GuiDocumentCommonInterface::EditHyperlink(vint paragraphIndex, vint begin, vint end, const WString& reference, const WString& normalStyleName, const WString& activeStyleName)
			{
				EditStyleInternal(TextPos(paragraphIndex, begin), TextPos(paragraphIndex, end), [=](TextPos begin, TextPos end)
				{
					documentElement->EditHyperlink(begin.row, begin.column, end.column, reference, normalStyleName, activeStyleName);
				});
			}

			void GuiDocumentCommonInterface::RemoveHyperlink(vint paragraphIndex, vint begin, vint end)
			{
				EditStyleInternal(TextPos(paragraphIndex, begin), TextPos(paragraphIndex, end), [=](TextPos begin, TextPos end)
				{
					documentElement->RemoveHyperlink(begin.row, begin.column, end.column);
				});
			}

			void GuiDocumentCommonInterface::EditStyleName(TextPos begin, TextPos end, const WString& styleName)
			{
				EditStyleInternal(begin, end, [=](TextPos begin, TextPos end)
				{
					documentElement->EditStyleName(begin, end, styleName);
				});
			}

			void GuiDocumentCommonInterface::RemoveStyleName(TextPos begin, TextPos end)
			{
				EditStyleInternal(begin, end, [=](TextPos begin, TextPos end)
				{
					documentElement->RemoveStyleName(begin, end);
				});
			}

			void GuiDocumentCommonInterface::RenameStyle(const WString& oldStyleName, const WString& newStyleName)
			{
				documentElement->RenameStyle(oldStyleName, newStyleName);

				// submit redo-undo
				GuiDocumentUndoRedoProcessor::RenameStyleStruct arguments;
				arguments.oldStyleName=oldStyleName;
				arguments.newStyleName=newStyleName;
				undoRedoProcessor->OnRenameStyle(arguments);
			}

			void GuiDocumentCommonInterface::ClearStyle(TextPos begin, TextPos end)
			{
				EditStyleInternal(begin, end, [=](TextPos begin, TextPos end)
				{
					documentElement->ClearStyle(begin, end);
				});
			}

			Ptr<DocumentStyleProperties> GuiDocumentCommonInterface::SummarizeStyle(TextPos begin, TextPos end)
			{
				return documentElement->SummarizeStyle(begin, end);
			}

			void GuiDocumentCommonInterface::SetParagraphAlignment(TextPos begin, TextPos end, const collections::Array<Nullable<Alignment>>& alignments)
			{
				vint first=begin.row;
				vint last=end.row;
				if(first>last)
				{
					vint temp=first;
					first=last;
					last=temp;
				}

				Ptr<DocumentModel> document=documentElement->GetDocument();
				if(0<=first && first<document->paragraphs.Count() && 0<=last && last<document->paragraphs.Count() && last-first+1==alignments.Count())
				{
					Ptr<GuiDocumentUndoRedoProcessor::SetAlignmentStruct> arguments=new GuiDocumentUndoRedoProcessor::SetAlignmentStruct;
					arguments->start=first;
					arguments->end=last;
					arguments->originalAlignments.Resize(alignments.Count());
					arguments->inputAlignments.Resize(alignments.Count());
					for(vint i=first;i<=last;i++)
					{
						arguments->originalAlignments[i-first]=document->paragraphs[i]->alignment;
						arguments->inputAlignments[i-first]=alignments[i-first];
					}
					documentElement->SetParagraphAlignment(begin, end, alignments);
					undoRedoProcessor->OnSetAlignment(arguments);
				}
			}

			//================ editing control

			WString GuiDocumentCommonInterface::GetActiveHyperlinkReference()
			{
				return activeHyperlink?activeHyperlink->reference:L"";
			}

			GuiDocumentCommonInterface::EditMode GuiDocumentCommonInterface::GetEditMode()
			{
				return editMode;
			}

			void GuiDocumentCommonInterface::SetEditMode(EditMode value)
			{
				if(activeHyperlink)
				{
					SetActiveHyperlink(0);
					activeHyperlink=0;
					activeHyperlinkParagraph=-1;
				}

				editMode=value;
				if(editMode==ViewOnly)
				{
					documentComposition->SetAssociatedCursor(0);
				}
				else
				{
					INativeCursor* cursor=GetCurrentController()->ResourceService()->GetSystemCursor(INativeCursor::IBeam);
					documentComposition->SetAssociatedCursor(cursor);
				}
			}

			//================ selection operations

			void GuiDocumentCommonInterface::SelectAll()
			{
				vint lastIndex=documentElement->GetDocument()->paragraphs.Count()-1;
				Ptr<DocumentParagraphRun> lastParagraph=documentElement->GetDocument()->paragraphs[lastIndex];

				TextPos begin(0, 0);
				TextPos end(lastIndex, lastParagraph->GetText(false).Length());
				SetCaret(begin, end);
			}

			WString GuiDocumentCommonInterface::GetSelectionText()
			{
				TextPos begin=documentElement->GetCaretBegin();
				TextPos end=documentElement->GetCaretEnd();
				if(begin>end)
				{
					TextPos temp=begin;
					begin=end;
					end=temp;
				}

				Ptr<DocumentModel> model=documentElement->GetDocument()->CopyDocument(begin, end, false);
				return model->GetText(true);
			}

			void GuiDocumentCommonInterface::SetSelectionText(const WString& value)
			{
				List<WString> paragraphs;
				{
					stream::StringReader reader(value);
					WString paragraph;
					bool empty=true;

					while(!reader.IsEnd())
					{
						WString line=reader.ReadLine();
						if(empty)
						{
							paragraph+=line;
							empty=false;
						}
						else if(line!=L"")
						{
							paragraph+=L"\r\n"+line;
						}
						else
						{
							paragraphs.Add(paragraph);
							paragraph=L"";
							empty=true;
						}
					}

					if(!empty)
					{
						paragraphs.Add(paragraph);
					}
				}

				TextPos begin=documentElement->GetCaretBegin();
				TextPos end=documentElement->GetCaretEnd();
				if(begin>end)
				{
					TextPos temp=begin;
					begin=end;
					end=temp;
				}

				Array<WString> text;
				CopyFrom(text, paragraphs);
				EditText(begin, end, documentElement->IsCaretEndPreferFrontSide(), text);
			}

			Ptr<DocumentModel> GuiDocumentCommonInterface::GetSelectionModel()
			{
				TextPos begin=documentElement->GetCaretBegin();
				TextPos end=documentElement->GetCaretEnd();
				if(begin>end)
				{
					TextPos temp=begin;
					begin=end;
					end=temp;
				}

				Ptr<DocumentModel> model=documentElement->GetDocument()->CopyDocument(begin, end, true);
				return model;
			}

			void GuiDocumentCommonInterface::SetSelectionModel(Ptr<DocumentModel> value)
			{
				TextPos begin=documentElement->GetCaretBegin();
				TextPos end=documentElement->GetCaretEnd();
				if(begin>end)
				{
					TextPos temp=begin;
					begin=end;
					end=temp;
				}

				EditRun(begin, end, value);
			}

			//================ clipboard operations

			bool GuiDocumentCommonInterface::CanCut()
			{
				return editMode==Editable && documentElement->GetCaretBegin()!=documentElement->GetCaretEnd();
			}

			bool GuiDocumentCommonInterface::CanCopy()
			{
				return documentElement->GetCaretBegin()!=documentElement->GetCaretEnd();
			}

			bool GuiDocumentCommonInterface::CanPaste()
			{
				return editMode==Editable && GetCurrentController()->ClipboardService()->ContainsText();
			}

			bool GuiDocumentCommonInterface::Cut()
			{
				if(CanCut())
				{
					GetCurrentController()->ClipboardService()->SetText(GetSelectionText());
					SetSelectionText(L"");
					return true;
				}
				else
				{
					return false;
				}
			}

			bool GuiDocumentCommonInterface::Copy()
			{
				if(CanCopy())
				{
					GetCurrentController()->ClipboardService()->SetText(GetSelectionText());
					return true;
				}
				else
				{
					return false;
				}
			}

			bool GuiDocumentCommonInterface::Paste()
			{
				if(CanPaste())
				{
					SetSelectionText(GetCurrentController()->ClipboardService()->GetText());
					return true;
				}
				else
				{
					return false;
				}
			}

			//================ undo redo control

			bool GuiDocumentCommonInterface::CanUndo()
			{
				return editMode==Editable && undoRedoProcessor->CanUndo();
			}

			bool GuiDocumentCommonInterface::CanRedo()
			{
				return editMode==Editable && undoRedoProcessor->CanRedo();
			}

			void GuiDocumentCommonInterface::ClearUndoRedo()
			{
				undoRedoProcessor->ClearUndoRedo();
			}

			bool GuiDocumentCommonInterface::GetModified()
			{
				return undoRedoProcessor->GetModified();
			}

			void GuiDocumentCommonInterface::NotifyModificationSaved()
			{
				undoRedoProcessor->NotifyModificationSaved();
			}

			bool GuiDocumentCommonInterface::Undo()
			{
				if(CanUndo())
				{
					return undoRedoProcessor->Undo();
				}
				else
				{
					return false;
				}
			}

			bool GuiDocumentCommonInterface::Redo()
			{
				if(CanRedo())
				{
					return undoRedoProcessor->Redo();
				}
				else
				{
					return false;
				}
			}

/***********************************************************************
GuiDocumentViewer
***********************************************************************/

			Point GuiDocumentViewer::GetDocumentViewPosition()
			{
				return GetViewBounds().LeftTop();
			}

			void GuiDocumentViewer::EnsureRectVisible(Rect bounds)
			{
				Rect viewBounds=GetViewBounds();
				vint offset=0;
				if(bounds.y1<viewBounds.y1)
				{
					offset=bounds.y1-viewBounds.y1;
				}
				else if(bounds.y2>viewBounds.y2)
				{
					offset=bounds.y2-viewBounds.y2;
				}

				GetVerticalScroll()->SetPosition(viewBounds.y1+offset);
			}

			GuiDocumentViewer::GuiDocumentViewer(GuiDocumentViewer::IStyleProvider* styleProvider)
				:GuiScrollContainer(styleProvider)
				, GuiDocumentCommonInterface(styleProvider->GetBaselineDocument())
			{
				SetExtendToFullWidth(true);
				SetHorizontalAlwaysVisible(false);
				SetFocusableComposition(GetBoundsComposition());
				InstallDocumentViewer(this, GetContainerComposition());
				SetDocument(new DocumentModel);
			}

			GuiDocumentViewer::~GuiDocumentViewer()
			{
			}

			const WString& GuiDocumentViewer::GetText()
			{
				text=documentElement->GetDocument()->GetText(true);
				return text;
			}

			void GuiDocumentViewer::SetText(const WString& value)
			{
				SelectAll();
				SetSelectionText(value);
			}

/***********************************************************************
GuiDocumentLabel
***********************************************************************/

			GuiDocumentLabel::GuiDocumentLabel(GuiDocumentLabel::IStyleController* styleController)
				:GuiControl(styleController)
				, GuiDocumentCommonInterface(styleController->GetBaselineDocument())
			{
				GetContainerComposition()->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				SetFocusableComposition(GetBoundsComposition());
				InstallDocumentViewer(this, GetContainerComposition());
				SetDocument(new DocumentModel);
			}

			GuiDocumentLabel::~GuiDocumentLabel()
			{
			}

			const WString& GuiDocumentLabel::GetText()
			{
				text=documentElement->GetDocument()->GetText(true);
				return text;
			}

			void GuiDocumentLabel::SetText(const WString& value)
			{
				SelectAll();
				SetSelectionText(value);
			}
		}
	}
}

/***********************************************************************
CONTROLS\TEXTEDITORPACKAGE\GUITEXTCOMMONINTERFACE.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace elements;
			using namespace elements::text;
			using namespace compositions;

/***********************************************************************
GuiTextBoxCommonInterface::DefaultCallback
***********************************************************************/

			GuiTextBoxCommonInterface::DefaultCallback::DefaultCallback(elements::GuiColorizedTextElement* _textElement, compositions::GuiGraphicsComposition* _textComposition)
				:textElement(_textElement)
				,textComposition(_textComposition)
			{
			}

			GuiTextBoxCommonInterface::DefaultCallback::~DefaultCallback()
			{
			}

			TextPos GuiTextBoxCommonInterface::DefaultCallback::GetLeftWord(TextPos pos)
			{
				return pos;
			}

			TextPos GuiTextBoxCommonInterface::DefaultCallback::GetRightWord(TextPos pos)
			{
				return pos;
			}

			void GuiTextBoxCommonInterface::DefaultCallback::GetWord(TextPos pos, TextPos& begin, TextPos& end)
			{
				begin=pos;
				end=pos;
			}

			vint GuiTextBoxCommonInterface::DefaultCallback::GetPageRows()
			{
				return textComposition->GetBounds().Height()/textElement->GetLines().GetRowHeight();
			}

			bool GuiTextBoxCommonInterface::DefaultCallback::BeforeModify(TextPos start, TextPos end, const WString& originalText, WString& inputText)
			{
				return true;
			}

/***********************************************************************
GuiTextBoxCommonInterface
***********************************************************************/

			void GuiTextBoxCommonInterface::UpdateCaretPoint()
			{
				GuiGraphicsHost* host=textComposition->GetRelatedGraphicsHost();
				if(host)
				{
					Rect caret=textElement->GetLines().GetRectFromTextPos(textElement->GetCaretEnd());
					Point view=textElement->GetViewPosition();
					vint x=caret.x1-view.x;
					vint y=caret.y2-view.y;
					host->SetCaretPoint(Point(x, y), textComposition);
				}
			}

			void GuiTextBoxCommonInterface::Move(TextPos pos, bool shift)
			{
				TextPos oldBegin=textElement->GetCaretBegin();
				TextPos oldEnd=textElement->GetCaretEnd();

				pos=textElement->GetLines().Normalize(pos);
				if(!shift)
				{
					textElement->SetCaretBegin(pos);
				}
				textElement->SetCaretEnd(pos);
				if(textControl)
				{
					GuiGraphicsHost* host=textComposition->GetRelatedGraphicsHost();
					if(host)
					{
						if(host->GetFocusedComposition()==textControl->GetFocusableComposition())
						{
							textElement->SetCaretVisible(true);
						}
					}
				}

				Rect bounds=textElement->GetLines().GetRectFromTextPos(pos);
				Rect view=Rect(textElement->GetViewPosition(), textComposition->GetBounds().GetSize());
				Point viewPoint=view.LeftTop();

				if(view.x2>view.x1 && view.y2>view.y1)
				{
					if(bounds.x1<view.x1)
					{
						viewPoint.x=bounds.x1;
					}
					else if(bounds.x2>view.x2)
					{
						viewPoint.x=bounds.x2-view.Width();
					}
					if(bounds.y1<view.y1)
					{
						viewPoint.y=bounds.y1;
					}
					else if(bounds.y2>view.y2)
					{
						viewPoint.y=bounds.y2-view.Height();
					}
				}

				callback->ScrollToView(viewPoint);
				UpdateCaretPoint();

				TextPos newBegin=textElement->GetCaretBegin();
				TextPos newEnd=textElement->GetCaretEnd();
				if(oldBegin!=newBegin || oldEnd!=newEnd)
				{
					ICommonTextEditCallback::TextCaretChangedStruct arguments;
					arguments.oldBegin=oldBegin;
					arguments.oldEnd=oldEnd;
					arguments.newBegin=newBegin;
					arguments.newEnd=newEnd;
					arguments.editVersion=editVersion;
					for(vint i=0;i<textEditCallbacks.Count();i++)
					{
						textEditCallbacks[i]->TextCaretChanged(arguments);
					}
					SelectionChanged.Execute(textControl->GetNotifyEventArguments());
				}
			}

			void GuiTextBoxCommonInterface::Modify(TextPos start, TextPos end, const WString& input, bool asKeyInput)
			{
				if(start>end)
				{
					TextPos temp=start;
					start=end;
					end=temp;
				}
				TextPos originalStart=start;
				TextPos originalEnd=end;
				WString originalText=textElement->GetLines().GetText(start, end);
				WString inputText=input;
				if(callback->BeforeModify(start, end, originalText, inputText))
				{
					{
						ICommonTextEditCallback::TextEditPreviewStruct arguments;
						arguments.originalStart=originalStart;
						arguments.originalEnd=originalEnd;
						arguments.originalText=originalText;
						arguments.inputText=inputText;
						arguments.editVersion=editVersion;
						arguments.keyInput=asKeyInput;
						for(vint i=0;i<textEditCallbacks.Count();i++)
						{
							textEditCallbacks[i]->TextEditPreview(arguments);
						}
						
						inputText=arguments.inputText;
						if(originalStart!=arguments.originalStart || originalEnd!=arguments.originalEnd)
						{
							originalStart=arguments.originalStart;
							originalEnd=arguments.originalEnd;
							originalText=textElement->GetLines().GetText(originalStart, originalEnd);
							start=originalStart;
							end=originalEnd;
						}
					}

					SPIN_LOCK(elementModifyLock)
					{
						end=textElement->GetLines().Modify(start, end, inputText);
					}
					callback->AfterModify(originalStart, originalEnd, originalText, start, end, inputText);
					
					editVersion++;
					{
						ICommonTextEditCallback::TextEditNotifyStruct arguments;
						arguments.originalStart=originalStart;
						arguments.originalEnd=originalEnd;
						arguments.originalText=originalText;
						arguments.inputStart=start;
						arguments.inputEnd=end;
						arguments.inputText=inputText;
						arguments.editVersion=editVersion;
						arguments.keyInput=asKeyInput;
						for(vint i=0;i<textEditCallbacks.Count();i++)
						{
							textEditCallbacks[i]->TextEditNotify(arguments);
						}
					}

					Move(end, false);
					
					for(vint i=0;i<textEditCallbacks.Count();i++)
					{
						textEditCallbacks[i]->TextEditFinished(editVersion);
					}

					textControl->TextChanged.Execute(textControl->GetNotifyEventArguments());
				}
			}

			bool GuiTextBoxCommonInterface::ProcessKey(vint code, bool shift, bool ctrl)
			{
				if(IGuiShortcutKeyItem* item=internalShortcutKeyManager->TryGetShortcut(ctrl, shift, false, code))
				{
					GuiEventArgs arguments;
					item->Executed.Execute(arguments);
					return true;
				}

				TextPos begin=textElement->GetCaretBegin();
				TextPos end=textElement->GetCaretEnd();
				switch(code)
				{
				case VKEY_ESCAPE:
					if(autoComplete && autoComplete->IsListOpening() && !shift && !ctrl)
					{
						autoComplete->CloseList();
					}
					return true;
				case VKEY_RETURN:
					if(autoComplete && autoComplete->IsListOpening() && !shift && !ctrl)
					{
						if(autoComplete->ApplySelectedListItem())
						{
							preventEnterDueToAutoComplete=true;
							return true;
						}
					}
					break;
				case VKEY_UP:
					if(autoComplete && autoComplete->IsListOpening() && !shift && !ctrl)
					{
						autoComplete->SelectPreviousListItem();
					}
					else
					{
						end.row--;
						Move(end, shift);
					}
					return true;
				case VKEY_DOWN:
					if(autoComplete && autoComplete->IsListOpening() && !shift && !ctrl)
					{
						autoComplete->SelectNextListItem();
					}
					else
					{
						end.row++;
						Move(end, shift);
					}
					return true;
				case VKEY_LEFT:
					{
						if(ctrl)
						{
							Move(callback->GetLeftWord(end), shift);
						}
						else
						{
							if(end.column==0)
							{
								if(end.row>0)
								{
									end.row--;
									end=textElement->GetLines().Normalize(end);
									end.column=textElement->GetLines().GetLine(end.row).dataLength;
								}
							}
							else
							{
								end.column--;
							}
							Move(end, shift);
						}
					}
					return true;
				case VKEY_RIGHT:
					{
						if(ctrl)
						{
							Move(callback->GetRightWord(end), shift);
						}
						else
						{
							if(end.column==textElement->GetLines().GetLine(end.row).dataLength)
							{
								if(end.row<textElement->GetLines().GetCount()-1)
								{
									end.row++;
									end.column=0;
								}
							}
							else
							{
								end.column++;
							}
							Move(end, shift);
						}
					}
					return true;
				case VKEY_HOME:
					{
						if(ctrl)
						{
							Move(TextPos(0, 0), shift);
						}
						else
						{
							end.column=0;
							Move(end, shift);
						}
					}
					return true;
				case VKEY_END:
					{
						if(ctrl)
						{
							end.row=textElement->GetLines().GetCount()-1;
						}
						end.column=textElement->GetLines().GetLine(end.row).dataLength;
						Move(end, shift);
					}
					return true;
				case VKEY_PRIOR:
					{
						end.row-=callback->GetPageRows();
						Move(end, shift);
					}
					return true;
				case VKEY_NEXT:
					{
						end.row+=callback->GetPageRows();
						Move(end, shift);
					}
					return true;
				case VKEY_BACK:
					if(!readonly)
					{
						if(ctrl && !shift)
						{
							ProcessKey(VKEY_LEFT, true, true);
							ProcessKey(VKEY_BACK, false, false);
						}
						else if(!ctrl && shift)
						{
							ProcessKey(VKEY_UP, true, false);
							ProcessKey(VKEY_BACK, false, false);
						}
						else
						{
							if(begin==end)
							{
								ProcessKey(VKEY_LEFT, true, false);
							}
							SetSelectionTextAsKeyInput(L"");
						}
						return true;
					}
					break;
				case VKEY_DELETE:
					if(!readonly)
					{
						if(ctrl && !shift)
						{
							ProcessKey(VKEY_RIGHT, true, true);
							ProcessKey(VKEY_DELETE, false, false);
						}
						else if(!ctrl && shift)
						{
							ProcessKey(VKEY_DOWN, true, false);
							ProcessKey(VKEY_DELETE, false, false);
						}
						else
						{
							if(begin==end)
							{
								ProcessKey(VKEY_RIGHT, true, false);
							}
							SetSelectionTextAsKeyInput(L"");
						}
						return true;
					}
					break;
				}
				return false;
			}

			void GuiTextBoxCommonInterface::OnGotFocus(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				textElement->SetFocused(true);
				textElement->SetCaretVisible(true);
				UpdateCaretPoint();
			}

			void GuiTextBoxCommonInterface::OnLostFocus(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				textElement->SetFocused(false);
				textElement->SetCaretVisible(false);
			}

			void GuiTextBoxCommonInterface::OnCaretNotify(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				textElement->SetCaretVisible(!textElement->GetCaretVisible());
			}

			void GuiTextBoxCommonInterface::OnLeftButtonDown(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(textControl->GetVisuallyEnabled() && arguments.compositionSource==arguments.eventSource)
				{
					dragging=true;
					TextPos pos=GetNearestTextPos(Point(arguments.x, arguments.y));
					Move(pos, arguments.shift);
				}
			}

			void GuiTextBoxCommonInterface::OnLeftButtonUp(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(textControl->GetVisuallyEnabled() && arguments.compositionSource==arguments.eventSource)
				{
					dragging=false;
				}
			}

			void GuiTextBoxCommonInterface::OnMouseMove(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(textControl->GetVisuallyEnabled() && arguments.compositionSource==arguments.eventSource)
				{
					if(dragging)
					{
						TextPos pos=GetNearestTextPos(Point(arguments.x, arguments.y));
						Move(pos, true);
					}
				}
			}

			void GuiTextBoxCommonInterface::OnKeyDown(compositions::GuiGraphicsComposition* sender, compositions::GuiKeyEventArgs& arguments)
			{
				if(textControl->GetVisuallyEnabled() && arguments.compositionSource==arguments.eventSource)
				{
					if(ProcessKey(arguments.code, arguments.shift, arguments.ctrl))
					{
						arguments.handled=true;
					}
				}
			}

			void GuiTextBoxCommonInterface::OnCharInput(compositions::GuiGraphicsComposition* sender, compositions::GuiCharEventArgs& arguments)
			{
				if(preventEnterDueToAutoComplete)
				{
					preventEnterDueToAutoComplete=false;
					if(arguments.code==VKEY_RETURN)
					{
						return;
					}
				}
				if(textControl->GetVisuallyEnabled() && arguments.compositionSource==arguments.eventSource)
				{
					if(!readonly && arguments.code!=VKEY_ESCAPE && arguments.code!=VKEY_BACK && !arguments.ctrl)
					{
						SetSelectionTextAsKeyInput(WString(arguments.code));
					}
				}
			}

			void GuiTextBoxCommonInterface::Install(elements::GuiColorizedTextElement* _textElement, compositions::GuiGraphicsComposition* _textComposition, GuiControl* _textControl)
			{
				textElement=_textElement;
				textComposition=_textComposition;
				textControl=_textControl;
				textComposition->SetAssociatedCursor(GetCurrentController()->ResourceService()->GetSystemCursor(INativeCursor::IBeam));
				SelectionChanged.SetAssociatedComposition(textControl->GetBoundsComposition());

				GuiGraphicsComposition* focusableComposition=textControl->GetFocusableComposition();
				focusableComposition->GetEventReceiver()->gotFocus.AttachMethod(this, &GuiTextBoxCommonInterface::OnGotFocus);
				focusableComposition->GetEventReceiver()->lostFocus.AttachMethod(this, &GuiTextBoxCommonInterface::OnLostFocus);
				focusableComposition->GetEventReceiver()->caretNotify.AttachMethod(this, &GuiTextBoxCommonInterface::OnCaretNotify);
				textComposition->GetEventReceiver()->leftButtonDown.AttachMethod(this, &GuiTextBoxCommonInterface::OnLeftButtonDown);
				textComposition->GetEventReceiver()->leftButtonUp.AttachMethod(this, &GuiTextBoxCommonInterface::OnLeftButtonUp);
				textComposition->GetEventReceiver()->mouseMove.AttachMethod(this, &GuiTextBoxCommonInterface::OnMouseMove);
				focusableComposition->GetEventReceiver()->keyDown.AttachMethod(this, &GuiTextBoxCommonInterface::OnKeyDown);
				focusableComposition->GetEventReceiver()->charInput.AttachMethod(this, &GuiTextBoxCommonInterface::OnCharInput);

				for(vint i=0;i<textEditCallbacks.Count();i++)
				{
					textEditCallbacks[i]->Attach(textElement, elementModifyLock, textComposition ,editVersion);
				}
			}
			
			GuiTextBoxCommonInterface::ICallback* GuiTextBoxCommonInterface::GetCallback()
			{
				return callback;
			}

			void GuiTextBoxCommonInterface::SetCallback(ICallback* value)
			{
				callback=value;
			}

			bool GuiTextBoxCommonInterface::AttachTextEditCallback(Ptr<ICommonTextEditCallback> value)
			{
				if(textEditCallbacks.Contains(value.Obj()))
				{
					return false;
				}
				else
				{
					textEditCallbacks.Add(value);
					if(textElement)
					{
						value->Attach(textElement, elementModifyLock, textComposition, editVersion);
					}
					return true;
				}
			}

			bool GuiTextBoxCommonInterface::DetachTextEditCallback(Ptr<ICommonTextEditCallback> value)
			{
				if(textEditCallbacks.Remove(value.Obj()))
				{
					value->Detach();
					return true;
				}
				else
				{
					return false;
				}
			}

			void GuiTextBoxCommonInterface::AddShortcutCommand(vint key, const Func<void()>& eventHandler)
			{
				IGuiShortcutKeyItem* item=internalShortcutKeyManager->CreateShortcut(true, false, false, key);
				item->Executed.AttachLambda([=](GuiGraphicsComposition* sender, GuiEventArgs& arguments)
				{
					eventHandler();
				});
			}

			elements::GuiColorizedTextElement* GuiTextBoxCommonInterface::GetTextElement()
			{
				return textElement;
			}

			void GuiTextBoxCommonInterface::UnsafeSetText(const WString& value)
			{
				if(textElement)
				{
					TextPos end;
					if(textElement->GetLines().GetCount()>0)
					{
						end.row=textElement->GetLines().GetCount()-1;
						end.column=textElement->GetLines().GetLine(end.row).dataLength;
					}
					Modify(TextPos(), end, value, false);
				}
			}

			GuiTextBoxCommonInterface::GuiTextBoxCommonInterface()
				:textElement(0)
				,textComposition(0)
				,editVersion(0)
				,textControl(0)
				,callback(0)
				,dragging(false)
				,readonly(false)
				,preventEnterDueToAutoComplete(false)
			{
				undoRedoProcessor=new GuiTextBoxUndoRedoProcessor;
				AttachTextEditCallback(undoRedoProcessor);

				internalShortcutKeyManager=new GuiShortcutKeyManager;
				AddShortcutCommand('Z', Func<bool()>(this, &GuiTextBoxCommonInterface::Undo));
				AddShortcutCommand('Y', Func<bool()>(this, &GuiTextBoxCommonInterface::Redo));
				AddShortcutCommand('A', Func<void()>(this, &GuiTextBoxCommonInterface::SelectAll));
				AddShortcutCommand('X', Func<bool()>(this, &GuiTextBoxCommonInterface::Cut));
				AddShortcutCommand('C', Func<bool()>(this, &GuiTextBoxCommonInterface::Copy));
				AddShortcutCommand('V', Func<bool()>(this, &GuiTextBoxCommonInterface::Paste));
			}

			GuiTextBoxCommonInterface::~GuiTextBoxCommonInterface()
			{
				if(colorizer)
				{
					DetachTextEditCallback(colorizer);
					colorizer=0;
				}
				if(undoRedoProcessor)
				{
					DetachTextEditCallback(undoRedoProcessor);
					undoRedoProcessor=0;
				}

				for(vint i=0;i<textEditCallbacks.Count();i++)
				{
					textEditCallbacks[i]->Detach();
				}
				textEditCallbacks.Clear();
			}

			//================ clipboard operations

			bool GuiTextBoxCommonInterface::CanCut()
			{
				return !readonly && textElement->GetCaretBegin()!=textElement->GetCaretEnd() && textElement->GetPasswordChar()==L'\0';
			}

			bool GuiTextBoxCommonInterface::CanCopy()
			{
				return textElement->GetCaretBegin()!=textElement->GetCaretEnd() && textElement->GetPasswordChar()==L'\0';
			}

			bool GuiTextBoxCommonInterface::CanPaste()
			{
				return !readonly && GetCurrentController()->ClipboardService()->ContainsText() && textElement->GetPasswordChar()==L'\0';
			}

			bool GuiTextBoxCommonInterface::Cut()
			{
				if(CanCut())
				{
					GetCurrentController()->ClipboardService()->SetText(GetSelectionText());
					SetSelectionText(L"");
					return true;
				}
				else
				{
					return false;
				}
			}

			bool GuiTextBoxCommonInterface::Copy()
			{
				if(CanCopy())
				{
					GetCurrentController()->ClipboardService()->SetText(GetSelectionText());
					return true;
				}
				else
				{
					return false;
				}
			}

			bool GuiTextBoxCommonInterface::Paste()
			{
				if(CanPaste())
				{
					SetSelectionText(GetCurrentController()->ClipboardService()->GetText());
					return true;
				}
				else
				{
					return false;
				}
			}
			
			//================ editing control
			
			bool GuiTextBoxCommonInterface::GetReadonly()
			{
				return readonly;
			}

			void GuiTextBoxCommonInterface::SetReadonly(bool value)
			{
				readonly=value;
			}

			//================ text operations

			void GuiTextBoxCommonInterface::Select(TextPos begin, TextPos end)
			{
				Move(begin, false);
				Move(end, true);
			}

			void GuiTextBoxCommonInterface::SelectAll()
			{
				vint row=textElement->GetLines().GetCount()-1;
				Move(TextPos(0, 0), false);
				Move(TextPos(row, textElement->GetLines().GetLine(row).dataLength), true);
			}

			WString GuiTextBoxCommonInterface::GetSelectionText()
			{
				TextPos selectionBegin=textElement->GetCaretBegin()<textElement->GetCaretEnd()?textElement->GetCaretBegin():textElement->GetCaretEnd();
				TextPos selectionEnd=textElement->GetCaretBegin()>textElement->GetCaretEnd()?textElement->GetCaretBegin():textElement->GetCaretEnd();
				return textElement->GetLines().GetText(selectionBegin, selectionEnd);
			}

			void GuiTextBoxCommonInterface::SetSelectionText(const WString& value)
			{
				Modify(textElement->GetCaretBegin(), textElement->GetCaretEnd(), value, false);
			}

			void GuiTextBoxCommonInterface::SetSelectionTextAsKeyInput(const WString& value)
			{
				Modify(textElement->GetCaretBegin(), textElement->GetCaretEnd(), value, true);
			}

			WString GuiTextBoxCommonInterface::GetRowText(vint row)
			{
				TextPos start=textElement->GetLines().Normalize(TextPos(row, 0));
				TextPos end=TextPos(start.row, textElement->GetLines().GetLine(start.row).dataLength);
				return GetFragmentText(start, end);
			}

			vint GuiTextBoxCommonInterface::GetRowCount()
			{
				return textElement->GetLines().GetCount();
			}

			WString GuiTextBoxCommonInterface::GetFragmentText(TextPos start, TextPos end)
			{
				start=textElement->GetLines().Normalize(start);
				end=textElement->GetLines().Normalize(end);
				return textElement->GetLines().GetText(start, end);
			}

			TextPos GuiTextBoxCommonInterface::GetCaretBegin()
			{
				return textElement->GetCaretBegin();
			}

			TextPos GuiTextBoxCommonInterface::GetCaretEnd()
			{
				return textElement->GetCaretEnd();
			}

			TextPos GuiTextBoxCommonInterface::GetCaretSmall()
			{
				TextPos c1=GetCaretBegin();
				TextPos c2=GetCaretEnd();
				return c1<c2?c1:c2;
			}

			TextPos GuiTextBoxCommonInterface::GetCaretLarge()
			{
				TextPos c1=GetCaretBegin();
				TextPos c2=GetCaretEnd();
				return c1>c2?c1:c2;
			}

			//================ position query
				
			vint GuiTextBoxCommonInterface::GetRowWidth(vint row)
			{
				return textElement->GetLines().GetRowWidth(row);
			}

			vint GuiTextBoxCommonInterface::GetRowHeight()
			{
				return textElement->GetLines().GetRowHeight();
			}

			vint GuiTextBoxCommonInterface::GetMaxWidth()
			{
				return textElement->GetLines().GetMaxWidth();
			}

			vint GuiTextBoxCommonInterface::GetMaxHeight()
			{
				return textElement->GetLines().GetMaxHeight();
			}

			TextPos GuiTextBoxCommonInterface::GetTextPosFromPoint(Point point)
			{
				Point view=textElement->GetViewPosition();
				return textElement->GetLines().GetTextPosFromPoint(Point(point.x+view.x, point.y+view.y));
			}

			Point GuiTextBoxCommonInterface::GetPointFromTextPos(TextPos pos)
			{
				Point view=textElement->GetViewPosition();
				Point result=textElement->GetLines().GetPointFromTextPos(pos);
				return Point(result.x-view.x, result.y-view.y);
			}

			Rect GuiTextBoxCommonInterface::GetRectFromTextPos(TextPos pos)
			{
				Point view=textElement->GetViewPosition();
				Rect result=textElement->GetLines().GetRectFromTextPos(pos);
				return Rect(Point(result.x1-view.x, result.y1-view.y), result.GetSize());
			}

			TextPos GuiTextBoxCommonInterface::GetNearestTextPos(Point point)
			{
				Point viewPosition=textElement->GetViewPosition();
				Point mousePosition=Point(point.x+viewPosition.x, point.y+viewPosition.y);
				TextPos pos=textElement->GetLines().GetTextPosFromPoint(mousePosition);
				if(pos.column<textElement->GetLines().GetLine(pos.row).dataLength)
				{
					Rect rect=textElement->GetLines().GetRectFromTextPos(pos);
					if(abs((int)(rect.x1-mousePosition.x))>=abs((int)(rect.x2-1-mousePosition.x)))
					{
						pos.column++;
					}
				}
				return pos;
			}

			//================ colorizing

			Ptr<GuiTextBoxColorizerBase> GuiTextBoxCommonInterface::GetColorizer()
			{
				return colorizer;
			}

			void GuiTextBoxCommonInterface::SetColorizer(Ptr<GuiTextBoxColorizerBase> value)
			{
				if (!filledDefaultColors)
				{
					filledDefaultColors = true;
					CopyFrom(defaultColors, GetTextElement()->GetColors());
				}

				if(colorizer)
				{
					DetachTextEditCallback(colorizer);
				}
				colorizer=value;
				if(colorizer)
				{
					AttachTextEditCallback(colorizer);
					GetTextElement()->SetColors(colorizer->GetColors());
				}
				else
				{
					GetTextElement()->SetColors(defaultColors);
					GetTextElement()->ResetTextColorIndex(0);
				}
			}

			//================ auto complete

			Ptr<GuiTextBoxAutoCompleteBase> GuiTextBoxCommonInterface::GetAutoComplete()
			{
				return autoComplete;
			}

			void GuiTextBoxCommonInterface::SetAutoComplete(Ptr<GuiTextBoxAutoCompleteBase> value)
			{
				if(autoComplete)
				{
					DetachTextEditCallback(autoComplete);
				}
				autoComplete=value;
				if(autoComplete)
				{
					AttachTextEditCallback(autoComplete);
				}
			}

			//================ undo redo control

			vuint GuiTextBoxCommonInterface::GetEditVersion()
			{
				return editVersion;
			}

			bool GuiTextBoxCommonInterface::CanUndo()
			{
				return !readonly && undoRedoProcessor->CanUndo();
			}

			bool GuiTextBoxCommonInterface::CanRedo()
			{
				return !readonly && undoRedoProcessor->CanRedo();
			}

			void GuiTextBoxCommonInterface::ClearUndoRedo()
			{
				undoRedoProcessor->ClearUndoRedo();
			}

			bool GuiTextBoxCommonInterface::GetModified()
			{
				return undoRedoProcessor->GetModified();
			}

			void GuiTextBoxCommonInterface::NotifyModificationSaved()
			{
				undoRedoProcessor->NotifyModificationSaved();
			}

			bool GuiTextBoxCommonInterface::Undo()
			{
				if(CanUndo())
				{
					return undoRedoProcessor->Undo();
				}
				else
				{
					return false;
				}
			}

			bool GuiTextBoxCommonInterface::Redo()
			{
				if(CanRedo())
				{
					return undoRedoProcessor->Redo();
				}
				else
				{
					return false;
				}
			}
		}
	}
}

/***********************************************************************
CONTROLS\TEXTEDITORPACKAGE\GUITEXTCONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace elements;
			using namespace elements::text;
			using namespace compositions;

/***********************************************************************
GuiMultilineTextBox::StyleController
***********************************************************************/

			GuiMultilineTextBox::StyleController::StyleController(GuiScrollView::IStyleProvider* styleProvider)
				:GuiScrollView::StyleController(styleProvider)
				,textElement(0)
				,textComposition(0)
				,textBox(0)
			{
				textElement=GuiColorizedTextElement::Create();

				textComposition=new GuiBoundsComposition;
				textComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				textComposition->SetOwnedElement(textElement);

				GetInternalContainerComposition()->AddChild(textComposition);
			}

			GuiMultilineTextBox::StyleController::~StyleController()
			{
			}

			void GuiMultilineTextBox::StyleController::Initialize(GuiMultilineTextBox* control)
			{
				textBox=control;
			}

			elements::GuiColorizedTextElement* GuiMultilineTextBox::StyleController::GetTextElement()
			{
				return textElement;
			}

			compositions::GuiGraphicsComposition* GuiMultilineTextBox::StyleController::GetTextComposition()
			{
				return textComposition;
			}

			void GuiMultilineTextBox::StyleController::SetViewPosition(Point value)
			{
				textElement->SetViewPosition(value);
			}

			void GuiMultilineTextBox::StyleController::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				GuiScrollView::StyleController::SetFocusableComposition(value);
				textBox->Install(textElement, textComposition, scrollView);
				if(!textBox->GetCallback())
				{
					if(!defaultCallback)
					{
						defaultCallback=new TextElementOperatorCallback(dynamic_cast<GuiMultilineTextBox*>(scrollView));
					}
					textBox->SetCallback(defaultCallback.Obj());
				}
			}

			WString GuiMultilineTextBox::StyleController::GetText()
			{
				return textElement->GetLines().GetText();
			}

			void GuiMultilineTextBox::StyleController::SetText(const WString& value)
			{
				if(textBox)
				{
					textBox->UnsafeSetText(value);
				}
				textElement->SetCaretBegin(TextPos(0, 0));
				textElement->SetCaretEnd(TextPos(0, 0));
				GuiScrollView::StyleController::SetText(value);
			}

			void GuiMultilineTextBox::StyleController::SetFont(const FontProperties& value)
			{
				textElement->SetFont(value);
				GuiScrollView::StyleController::SetFont(value);
			}

			void GuiMultilineTextBox::StyleController::SetVisuallyEnabled(bool value)
			{
				textElement->SetVisuallyEnabled(value);
				GuiScrollView::StyleController::SetVisuallyEnabled(value);
			}

/***********************************************************************
GuiMultilineTextBox::DefaultTextElementOperatorCallback
***********************************************************************/

			GuiMultilineTextBox::TextElementOperatorCallback::TextElementOperatorCallback(GuiMultilineTextBox* _textControl)
				:GuiTextBoxCommonInterface::DefaultCallback(
					dynamic_cast<StyleController*>(_textControl->GetStyleController())->GetTextElement(),
					dynamic_cast<StyleController*>(_textControl->GetStyleController())->GetTextComposition()
					)
				,textControl(_textControl)
				,textController(dynamic_cast<StyleController*>(_textControl->GetStyleController()))
			{
			}

			void GuiMultilineTextBox::TextElementOperatorCallback::AfterModify(TextPos originalStart, TextPos originalEnd, const WString& originalText, TextPos inputStart, TextPos inputEnd, const WString& inputText)
			{
				textControl->CalculateView();
			}
			
			void GuiMultilineTextBox::TextElementOperatorCallback::ScrollToView(Point point)
			{
				point.x+=TextMargin;
				point.y+=TextMargin;
				Point oldPoint(textControl->GetHorizontalScroll()->GetPosition(), textControl->GetVerticalScroll()->GetPosition());
				vint marginX=0;
				vint marginY=0;
				if(oldPoint.x<point.x)
				{
					marginX=TextMargin;
				}
				else if(oldPoint.x>point.x)
				{
					marginX=-TextMargin;
				}
				if(oldPoint.y<point.y)
				{
					marginY=TextMargin;
				}
				else if(oldPoint.y>point.y)
				{
					marginY=-TextMargin;
				}
				textControl->GetHorizontalScroll()->SetPosition(point.x+marginX);
				textControl->GetVerticalScroll()->SetPosition(point.y+marginY);
			}

			vint GuiMultilineTextBox::TextElementOperatorCallback::GetTextMargin()
			{
				return TextMargin;
			}

/***********************************************************************
GuiMultilineTextBox
***********************************************************************/

			void GuiMultilineTextBox::CalculateViewAndSetScroll()
			{
				CalculateView();
				vint smallMove=styleController->GetTextElement()->GetLines().GetRowHeight();
				vint bigMove=smallMove*5;
				styleController->GetHorizontalScroll()->SetSmallMove(smallMove);
				styleController->GetHorizontalScroll()->SetBigMove(bigMove);
				styleController->GetVerticalScroll()->SetSmallMove(smallMove);
				styleController->GetVerticalScroll()->SetBigMove(bigMove);
			}

			void GuiMultilineTextBox::OnRenderTargetChanged(elements::IGuiGraphicsRenderTarget* renderTarget)
			{
				CalculateViewAndSetScroll();
				GuiScrollView::OnRenderTargetChanged(renderTarget);
			}

			Size GuiMultilineTextBox::QueryFullSize()
			{
				text::TextLines& lines=styleController->GetTextElement()->GetLines();
				return Size(lines.GetMaxWidth()+TextMargin*2, lines.GetMaxHeight()+TextMargin*2);
			}

			void GuiMultilineTextBox::UpdateView(Rect viewBounds)
			{
				styleController->SetViewPosition(viewBounds.LeftTop()-Size(TextMargin, TextMargin));
			}

			void GuiMultilineTextBox::OnBoundsMouseButtonDown(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(GetVisuallyEnabled())
				{
					boundsComposition->GetRelatedGraphicsHost()->SetFocus(boundsComposition);
				}
			}

			GuiMultilineTextBox::GuiMultilineTextBox(GuiMultilineTextBox::IStyleProvider* styleProvider)
				:GuiScrollView(new StyleController(styleProvider))
			{
				styleController=dynamic_cast<StyleController*>(GetStyleController());
				styleController->Initialize(this);
				SetFocusableComposition(boundsComposition);

				boundsComposition->GetEventReceiver()->leftButtonDown.AttachMethod(this, &GuiMultilineTextBox::OnBoundsMouseButtonDown);
				boundsComposition->GetEventReceiver()->middleButtonDown.AttachMethod(this, &GuiMultilineTextBox::OnBoundsMouseButtonDown);
				boundsComposition->GetEventReceiver()->rightButtonDown.AttachMethod(this, &GuiMultilineTextBox::OnBoundsMouseButtonDown);
			}

			GuiMultilineTextBox::~GuiMultilineTextBox()
			{
			}

			const WString& GuiMultilineTextBox::GetText()
			{
				text=styleController->GetText();
				return text;
			}

			void GuiMultilineTextBox::SetText(const WString& value)
			{
				text=styleController->GetText();
				GuiScrollView::SetText(value);
				CalculateView();
			}

			void GuiMultilineTextBox::SetFont(const FontProperties& value)
			{
				GuiScrollView::SetFont(value);
				CalculateViewAndSetScroll();
			}

/***********************************************************************
GuiSinglelineTextBox::StyleController
***********************************************************************/

			GuiSinglelineTextBox::StyleController::StyleController(IStyleProvider* _styleProvider)
				:styleProvider(_styleProvider)
				,boundsComposition(0)
				,containerComposition(0)
				,textBox(0)
				,textElement(0)
				,textComposition(0)
			{
				boundsComposition=new GuiBoundsComposition;
				boundsComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				containerComposition=styleProvider->InstallBackground(boundsComposition);

				textElement=GuiColorizedTextElement::Create();
				textElement->SetViewPosition(Point(-TextMargin, -TextMargin));

				textCompositionTable=new GuiTableComposition;
				textCompositionTable->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				textCompositionTable->SetAlignmentToParent(Margin(0, 0, 0, 0));
				textCompositionTable->SetRowsAndColumns(3, 1);
				textCompositionTable->SetRowOption(0, GuiCellOption::PercentageOption(0.5));
				textCompositionTable->SetRowOption(1, GuiCellOption::AbsoluteOption(0));
				textCompositionTable->SetRowOption(2, GuiCellOption::PercentageOption(0.5));
				textCompositionTable->SetColumnOption(0, GuiCellOption::PercentageOption(1.0));
				containerComposition->AddChild(textCompositionTable);

				textComposition=new GuiCellComposition;
				textComposition->SetOwnedElement(textElement);
				textCompositionTable->AddChild(textComposition);
				textComposition->SetSite(1, 0, 1, 1);

				styleProvider->AssociateStyleController(this);
			}

			GuiSinglelineTextBox::StyleController::~StyleController()
			{
			}

			void GuiSinglelineTextBox::StyleController::SetTextBox(GuiSinglelineTextBox* control)
			{
				textBox=control;
			}

			void GuiSinglelineTextBox::StyleController::RearrangeTextElement()
			{
				textCompositionTable->SetRowOption(1, GuiCellOption::AbsoluteOption(textElement->GetLines().GetRowHeight()+2*TextMargin));
			}

			compositions::GuiBoundsComposition* GuiSinglelineTextBox::StyleController::GetBoundsComposition()
			{
				return boundsComposition;
			}

			compositions::GuiGraphicsComposition* GuiSinglelineTextBox::StyleController::GetContainerComposition()
			{
				return containerComposition;
			}

			void GuiSinglelineTextBox::StyleController::SetFocusableComposition(compositions::GuiGraphicsComposition* value)
			{
				styleProvider->SetFocusableComposition(value);
				textBox->Install(textElement, textComposition, textBox);
				if(!textBox->GetCallback())
				{
					if(!defaultCallback)
					{
						defaultCallback=new TextElementOperatorCallback(textBox);
					}
					textBox->SetCallback(defaultCallback.Obj());
				}
			}

			WString GuiSinglelineTextBox::StyleController::GetText()
			{
				return textElement->GetLines().GetText();
			}

			void GuiSinglelineTextBox::StyleController::SetText(const WString& value)
			{
				if(textBox)
				{
					textBox->UnsafeSetText(value);
				}
				textElement->SetCaretBegin(TextPos(0, 0));
				textElement->SetCaretEnd(TextPos(0, 0));
				styleProvider->SetText(value);
			}

			void GuiSinglelineTextBox::StyleController::SetFont(const FontProperties& value)
			{
				textElement->SetFont(value);
				styleProvider->SetFont(value);
				textComposition->SetPreferredMinSize(Size(0, textElement->GetLines().GetRowHeight()));
			}

			void GuiSinglelineTextBox::StyleController::SetVisuallyEnabled(bool value)
			{
				textElement->SetVisuallyEnabled(value);
				styleProvider->SetVisuallyEnabled(value);
			}

			elements::GuiColorizedTextElement* GuiSinglelineTextBox::StyleController::GetTextElement()
			{
				return textElement;
			}

			compositions::GuiGraphicsComposition* GuiSinglelineTextBox::StyleController::GetTextComposition()
			{
				return textComposition;
			}

			void GuiSinglelineTextBox::StyleController::SetViewPosition(Point value)
			{
				textElement->SetViewPosition(value);
			}

/***********************************************************************
GuiSinglelineTextBox::DefaultTextElementOperatorCallback
***********************************************************************/

			GuiSinglelineTextBox::TextElementOperatorCallback::TextElementOperatorCallback(GuiSinglelineTextBox* _textControl)
				:GuiTextBoxCommonInterface::DefaultCallback(
					dynamic_cast<StyleController*>(_textControl->GetStyleController())->GetTextElement(),
					dynamic_cast<StyleController*>(_textControl->GetStyleController())->GetTextComposition()
					)
				,textControl(_textControl)
				,textController(dynamic_cast<StyleController*>(_textControl->GetStyleController()))
			{
			}

			bool GuiSinglelineTextBox::TextElementOperatorCallback::BeforeModify(TextPos start, TextPos end, const WString& originalText, WString& inputText)
			{
				vint length=inputText.Length();
				const wchar_t* input=inputText.Buffer();
				for(vint i=0;i<length;i++)
				{
					if(*input==0 || *input==L'\r' || *input==L'\n')
					{
						length=i;
						break;
					}
				}
				if(length!=inputText.Length())
				{
					inputText=inputText.Left(length);
				}
				return true;
			}

			void GuiSinglelineTextBox::TextElementOperatorCallback::AfterModify(TextPos originalStart, TextPos originalEnd, const WString& originalText, TextPos inputStart, TextPos inputEnd, const WString& inputText)
			{
			}
			
			void GuiSinglelineTextBox::TextElementOperatorCallback::ScrollToView(Point point)
			{
				vint newX=point.x;
				vint oldX=textElement->GetViewPosition().x;
				vint marginX=0;
				if(oldX<newX)
				{
					marginX=TextMargin;
				}
				else if(oldX>newX)
				{
					marginX=-TextMargin;
				}

				newX+=marginX;
				vint minX=-TextMargin;
				vint maxX=textElement->GetLines().GetMaxWidth()+TextMargin-textComposition->GetBounds().Width();
				if(newX>=maxX)
				{
					newX=maxX-1;
				}
				if(newX<minX)
				{
					newX=minX;
				}
				textElement->SetViewPosition(Point(newX, -TextMargin));
			}

			vint GuiSinglelineTextBox::TextElementOperatorCallback::GetTextMargin()
			{
				return TextMargin;
			}

/***********************************************************************
GuiSinglelineTextBox
***********************************************************************/

			void GuiSinglelineTextBox::OnRenderTargetChanged(elements::IGuiGraphicsRenderTarget* renderTarget)
			{
				styleController->RearrangeTextElement();
				GuiControl::OnRenderTargetChanged(renderTarget);
			}

			void GuiSinglelineTextBox::OnBoundsMouseButtonDown(compositions::GuiGraphicsComposition* sender, compositions::GuiMouseEventArgs& arguments)
			{
				if(GetVisuallyEnabled())
				{
					boundsComposition->GetRelatedGraphicsHost()->SetFocus(boundsComposition);
				}
			}

			GuiSinglelineTextBox::GuiSinglelineTextBox(GuiSinglelineTextBox::IStyleProvider* styleProvider)
				:GuiControl(new StyleController(styleProvider))
			{
				styleController=dynamic_cast<StyleController*>(GetStyleController());
				styleController->SetTextBox(this);
				SetFocusableComposition(boundsComposition);

				boundsComposition->GetEventReceiver()->leftButtonDown.AttachMethod(this, &GuiSinglelineTextBox::OnBoundsMouseButtonDown);
				boundsComposition->GetEventReceiver()->middleButtonDown.AttachMethod(this, &GuiSinglelineTextBox::OnBoundsMouseButtonDown);
				boundsComposition->GetEventReceiver()->rightButtonDown.AttachMethod(this, &GuiSinglelineTextBox::OnBoundsMouseButtonDown);
			}

			GuiSinglelineTextBox::~GuiSinglelineTextBox()
			{
			}

			const WString& GuiSinglelineTextBox::GetText()
			{
				text=styleController->GetText();
				return text;
			}

			void GuiSinglelineTextBox::SetText(const WString& value)
			{
				GuiControl::SetText(value);
			}

			void GuiSinglelineTextBox::SetFont(const FontProperties& value)
			{
				GuiControl::SetFont(value);
				styleController->RearrangeTextElement();
			}

			wchar_t GuiSinglelineTextBox::GetPasswordChar()
			{
				return styleController->GetTextElement()->GetPasswordChar();
			}

			void GuiSinglelineTextBox::SetPasswordChar(wchar_t value)
			{
				styleController->GetTextElement()->SetPasswordChar(value);
			}
		}
	}
}

/***********************************************************************
CONTROLS\TEXTEDITORPACKAGE\EDITORCALLBACK\GUITEXTAUTOCOMPLETE.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace collections;

/***********************************************************************
GuiTextBoxAutoCompleteBase::TextListControlProvider
***********************************************************************/

			GuiTextBoxAutoCompleteBase::TextListControlProvider::TextListControlProvider(GuiTextList::IStyleProvider* styleProvider)
			{
				autoCompleteList = new GuiTextList(styleProvider ? styleProvider : theme::GetCurrentTheme()->CreateTextListStyle(), theme::GetCurrentTheme()->CreateTextListItemStyle());
				autoCompleteList->SetHorizontalAlwaysVisible(false);
				autoCompleteList->SetVerticalAlwaysVisible(false);
			}

			GuiTextBoxAutoCompleteBase::TextListControlProvider::~TextListControlProvider()
			{
			}

			GuiControl* GuiTextBoxAutoCompleteBase::TextListControlProvider::GetAutoCompleteControl()
			{
				return autoCompleteList;
			}

			GuiSelectableListControl* GuiTextBoxAutoCompleteBase::TextListControlProvider::GetListControl()
			{
				return autoCompleteList;
			}

			void GuiTextBoxAutoCompleteBase::TextListControlProvider::SetSortedContent(const collections::List<AutoCompleteItem>& items)
			{
				autoCompleteList->GetItems().Clear();
				FOREACH(AutoCompleteItem, item, items)
				{
					autoCompleteList->GetItems().Add(new list::TextItem(item.text));
				}
			}

			vint GuiTextBoxAutoCompleteBase::TextListControlProvider::GetItemCount()
			{
				return autoCompleteList->GetItems().Count();
			}

			WString GuiTextBoxAutoCompleteBase::TextListControlProvider::GetItemText(vint index)
			{
				return autoCompleteList->GetItems()[index]->GetText();
			}

/***********************************************************************
GuiTextBoxAutoCompleteBase
***********************************************************************/

			bool GuiTextBoxAutoCompleteBase::IsPrefix(const WString& prefix, const WString& candidate)
			{
				if(candidate.Length()>=prefix.Length())
				{
					if(INVLOC.Compare(prefix, candidate.Sub(0, prefix.Length()), Locale::IgnoreCase)==0)
					{
						return true;
					}
				}
				return false;
			}

			GuiTextBoxAutoCompleteBase::GuiTextBoxAutoCompleteBase(Ptr<IAutoCompleteControlProvider> _autoCompleteControlProvider)
				:element(0)
				,elementModifyLock(0)
				,ownerComposition(0)
				,autoCompleteControlProvider(_autoCompleteControlProvider)
			{
				if (!autoCompleteControlProvider)
				{
					autoCompleteControlProvider = new TextListControlProvider;
				}
				autoCompleteControlProvider->GetAutoCompleteControl()->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));

				autoCompletePopup = new GuiPopup(theme::GetCurrentTheme()->CreateMenuStyle());
				autoCompletePopup->AddChild(autoCompleteControlProvider->GetAutoCompleteControl());
			}

			GuiTextBoxAutoCompleteBase::~GuiTextBoxAutoCompleteBase()
			{
				delete autoCompletePopup;
			}

			void GuiTextBoxAutoCompleteBase::Attach(elements::GuiColorizedTextElement* _element, SpinLock& _elementModifyLock, compositions::GuiGraphicsComposition* _ownerComposition, vuint editVersion)
			{
				if(_element)
				{
					SPIN_LOCK(_elementModifyLock)
					{
						element=_element;
						elementModifyLock=&_elementModifyLock;
						ownerComposition=_ownerComposition;
					}
				}
			}

			void GuiTextBoxAutoCompleteBase::Detach()
			{
				if(element && elementModifyLock)
				{
					SPIN_LOCK(*elementModifyLock)
					{
						element=0;
						elementModifyLock=0;
					}
				}
			}

			void GuiTextBoxAutoCompleteBase::TextEditPreview(TextEditPreviewStruct& arguments)
			{
			}

			void GuiTextBoxAutoCompleteBase::TextEditNotify(const TextEditNotifyStruct& arguments)
			{
				if(element && elementModifyLock)
				{
					if(IsListOpening())
					{
						TextPos begin=GetListStartPosition();
						TextPos end=arguments.inputEnd;
						WString editingText=element->GetLines().GetText(begin, end);
						HighlightList(editingText);
					}
				}
			}

			void GuiTextBoxAutoCompleteBase::TextCaretChanged(const TextCaretChangedStruct& arguments)
			{
			}

			void GuiTextBoxAutoCompleteBase::TextEditFinished(vuint editVersion)
			{
			}

			bool GuiTextBoxAutoCompleteBase::IsListOpening()
			{
				return autoCompletePopup->GetOpening();
			}

			void GuiTextBoxAutoCompleteBase::OpenList(TextPos startPosition)
			{
				if(element && elementModifyLock)
				{
					autoCompleteStartPosition=startPosition;
					Rect bounds=element->GetLines().GetRectFromTextPos(startPosition);
					Point viewPosition=element->GetViewPosition();
					GuiControl* ownerControl=ownerComposition->GetRelatedControl();
					Rect compositionBounds=ownerComposition->GetGlobalBounds();
					Rect controlBounds=ownerControl->GetBoundsComposition()->GetGlobalBounds();
					vint px=compositionBounds.x1-controlBounds.x1-viewPosition.x;
					vint py=compositionBounds.y1-controlBounds.y1-viewPosition.y;
					bounds.x1+=px;
					bounds.x2+=px;
					bounds.y1+=py+5;
					bounds.y2+=py+5;
					autoCompletePopup->ShowPopup(ownerControl, bounds, true);
				}
			}

			void GuiTextBoxAutoCompleteBase::CloseList()
			{
				autoCompletePopup->Close();
			}

			void GuiTextBoxAutoCompleteBase::SetListContent(const collections::List<AutoCompleteItem>& items)
			{
				if(items.Count()==0)
				{
					CloseList();
				}

				List<AutoCompleteItem> sortedItems;
				CopyFrom(
					sortedItems,
					From(items)
						.OrderBy([](const AutoCompleteItem& a, const AutoCompleteItem& b)
						{
							return INVLOC.Compare(a.text, b.text, Locale::IgnoreCase);
						})
					);

				autoCompleteControlProvider->SetSortedContent(sortedItems);
				autoCompleteControlProvider->GetAutoCompleteControl()->GetBoundsComposition()->SetPreferredMinSize(Size(200, 200));
			}

			TextPos GuiTextBoxAutoCompleteBase::GetListStartPosition()
			{
				return autoCompleteStartPosition;
			}

			bool GuiTextBoxAutoCompleteBase::SelectPreviousListItem()
			{
				if(!IsListOpening()) return false;
				if(autoCompleteControlProvider->GetListControl()->GetSelectedItems().Count()==0)
				{
					autoCompleteControlProvider->GetListControl()->SetSelected(0, true);
				}
				else
				{
					vint index=autoCompleteControlProvider->GetListControl()->GetSelectedItems()[0];
					if (index > 0) index--;
					autoCompleteControlProvider->GetListControl()->SetSelected(index, true);
					autoCompleteControlProvider->GetListControl()->EnsureItemVisible(index);
				}
				return true;
			}

			bool GuiTextBoxAutoCompleteBase::SelectNextListItem()
			{
				if(!IsListOpening()) return false;
				if (autoCompleteControlProvider->GetListControl()->GetSelectedItems().Count() == 0)
				{
					autoCompleteControlProvider->GetListControl()->SetSelected(0, true);
				}
				else
				{
					vint index = autoCompleteControlProvider->GetListControl()->GetSelectedItems()[0];
					if (index < autoCompleteControlProvider->GetItemCount() - 1) index++;
					autoCompleteControlProvider->GetListControl()->SetSelected(index, true);
					autoCompleteControlProvider->GetListControl()->EnsureItemVisible(index);
				}
				return true;
			}

			bool GuiTextBoxAutoCompleteBase::ApplySelectedListItem()
			{
				if(!IsListOpening()) return false;
				if(!ownerComposition) return false;
				const auto& selectedItems = autoCompleteControlProvider->GetListControl()->GetSelectedItems();
				if (selectedItems.Count() == 0) return false;
				GuiTextBoxCommonInterface* ci=dynamic_cast<GuiTextBoxCommonInterface*>(ownerComposition->GetRelatedControl());
				if(!ci) return false;

				vint index = selectedItems[0];
				WString selectedItem = autoCompleteControlProvider->GetItemText(index);
				TextPos begin = autoCompleteStartPosition;
				TextPos end = ci->GetCaretEnd();
				ci->Select(begin, end);
				ci->SetSelectionText(selectedItem);
				CloseList();
				return true;
			}

			WString GuiTextBoxAutoCompleteBase::GetSelectedListItem()
			{
				if(!IsListOpening()) return L"";
				const auto& selectedItems = autoCompleteControlProvider->GetListControl()->GetSelectedItems();
				if (selectedItems.Count() == 0) return L"";
				vint index = selectedItems[0];
				return autoCompleteControlProvider->GetItemText(index);
			}

			void GuiTextBoxAutoCompleteBase::HighlightList(const WString& editingText)
			{
				if(IsListOpening())
				{
					vint first=0;
					vint last = autoCompleteControlProvider->GetItemCount() - 1;
					vint selected=-1;

					while (first <= last)
					{
						vint middle = (first + last) / 2;
						WString text = autoCompleteControlProvider->GetItemText(middle);
						if (IsPrefix(editingText, text))
						{
							selected = middle;
							break;
						}

						vint result = INVLOC.Compare(editingText, text, Locale::IgnoreCase);
						if (result <= 0)
						{
							last = middle - 1;
						}
						else
						{
							first = middle + 1;
						}
					}

					while(selected>0)
					{
						WString text = autoCompleteControlProvider->GetItemText(selected - 1);
						if (IsPrefix(editingText, text))
						{
							selected--;
						}
						else
						{
							break;
						}
					}

					if(selected!=-1)
					{
						autoCompleteControlProvider->GetListControl()->SetSelected(selected, true);
						autoCompleteControlProvider->GetListControl()->EnsureItemVisible(selected);
					}
				}
			}
		}
	}
}

/***********************************************************************
CONTROLS\TEXTEDITORPACKAGE\EDITORCALLBACK\GUITEXTCOLORIZER.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace elements;
			using namespace elements::text;

/***********************************************************************
GuiTextBoxColorizerBase
***********************************************************************/

			void GuiTextBoxColorizerBase::ColorizerThreadProc(void* argument)
			{
				GuiTextBoxColorizerBase* colorizer=(GuiTextBoxColorizerBase*)argument;
				while(!colorizer->isFinalizing)
				{
					vint lineIndex=-1;
					wchar_t* text=0;
					vuint32_t* colors=0;
					vint length=0;
					vint lexerState=-1;
					vint contextState=-1;

					SPIN_LOCK(*colorizer->elementModifyLock)
					{
						if(colorizer->colorizedLineCount>=colorizer->element->GetLines().GetCount())
						{
							colorizer->isColorizerRunning=false;
							goto CANCEL_COLORIZING;
						}

						lineIndex=colorizer->colorizedLineCount++;
						TextLine& line=colorizer->element->GetLines().GetLine(lineIndex);
						length=line.dataLength;
						text=new wchar_t[length+2];
						colors=new vuint32_t[length+2];
						memcpy(text, line.text, sizeof(wchar_t)*length);
						text[length]=L'\r';
						text[length+1]=L'\n';
						lexerState=lineIndex==0?colorizer->GetLexerStartState():colorizer->element->GetLines().GetLine(lineIndex-1).lexerFinalState;
						contextState=lineIndex==0?colorizer->GetContextStartState():colorizer->element->GetLines().GetLine(lineIndex-1).contextFinalState;
					}

					colorizer->ColorizeLineWithCRLF(lineIndex, text, colors, length+2, lexerState, contextState);

					SPIN_LOCK(*colorizer->elementModifyLock)
					{
						if(lineIndex<colorizer->colorizedLineCount && lineIndex<colorizer->element->GetLines().GetCount())
						{
							TextLine& line=colorizer->element->GetLines().GetLine(lineIndex);
							line.lexerFinalState=lexerState;
							line.contextFinalState=contextState;
							for(vint i=0;i<length;i++)
							{
								line.att[i].colorIndex=colors[i];
							}
						}
						delete[] text;
						delete[] colors;
					}
				}
			CANCEL_COLORIZING:
				colorizer->colorizerRunningEvent.Leave();
			}

			void GuiTextBoxColorizerBase::StartColorizer()
			{
				if(!isColorizerRunning)
				{
					isColorizerRunning=true;
					colorizerRunningEvent.Enter();
					ThreadPoolLite::Queue(&GuiTextBoxColorizerBase::ColorizerThreadProc, this);
				}
			}

			void GuiTextBoxColorizerBase::StopColorizer(bool forever)
			{
				isFinalizing=true;
				colorizerRunningEvent.Enter();
				colorizerRunningEvent.Leave();
				colorizedLineCount=0;
				if(!forever)
				{
					isFinalizing=false;
				}
			}

			void GuiTextBoxColorizerBase::StopColorizerForever()
			{
				StopColorizer(true);
			}

			GuiTextBoxColorizerBase::GuiTextBoxColorizerBase()
				:element(0)
				,elementModifyLock(0)
				,colorizedLineCount(0)
				,isColorizerRunning(false)
				,isFinalizing(false)
			{
			}

			GuiTextBoxColorizerBase::~GuiTextBoxColorizerBase()
			{
				StopColorizerForever();
			}

			void GuiTextBoxColorizerBase::Attach(elements::GuiColorizedTextElement* _element, SpinLock& _elementModifyLock, compositions::GuiGraphicsComposition* _ownerComposition, vuint editVersion)
			{
				if(_element)
				{
					SPIN_LOCK(_elementModifyLock)
					{
						element=_element;
						elementModifyLock=&_elementModifyLock;
						StartColorizer();
					}
				}
			}

			void GuiTextBoxColorizerBase::Detach()
			{
				if(element && elementModifyLock)
				{
					StopColorizer(false);
					SPIN_LOCK(*elementModifyLock)
					{
						element=0;
						elementModifyLock=0;
					}
				}
			}

			void GuiTextBoxColorizerBase::TextEditPreview(TextEditPreviewStruct& arguments)
			{
			}

			void GuiTextBoxColorizerBase::TextEditNotify(const TextEditNotifyStruct& arguments)
			{
				if(element && elementModifyLock)
				{
					SPIN_LOCK(*elementModifyLock)
					{
						vint line
							=arguments.originalStart.row<arguments.originalEnd.row
							?arguments.originalStart.row
							:arguments.originalEnd.row;
						if(colorizedLineCount>line)
						{
							colorizedLineCount=line;
						}
						StartColorizer();
					}
				}
			}

			void GuiTextBoxColorizerBase::TextCaretChanged(const TextCaretChangedStruct& arguments)
			{
			}

			void GuiTextBoxColorizerBase::TextEditFinished(vuint editVersion)
			{
			}

			void GuiTextBoxColorizerBase::RestartColorizer()
			{
				if(element && elementModifyLock)
				{
					SPIN_LOCK(*elementModifyLock)
					{
						colorizedLineCount=0;
						StartColorizer();
					}
				}
			}

/***********************************************************************
GuiTextBoxRegexColorizer
***********************************************************************/

			struct GuiTextBoxRegexColorizerProcData
			{
				GuiTextBoxRegexColorizer*		colorizer;
				vint							lineIndex;
				const wchar_t*					text;
				vuint32_t*						colors;
				vint							contextState;
			};

			void GuiTextBoxRegexColorizer::ColorizerProc(void* argument, vint start, vint length, vint token)
			{
				GuiTextBoxRegexColorizerProcData& data=*(GuiTextBoxRegexColorizerProcData*)argument;
				data.colorizer->ColorizeTokenContextSensitive(data.lineIndex, data.text, start, length, token, data.contextState);
				for(vint i=0;i<length;i++)
				{
					data.colors[start+i]=(int)token+1;
				}
			}

			GuiTextBoxRegexColorizer::GuiTextBoxRegexColorizer()
			{
				colors.Resize(1);
			}

			GuiTextBoxRegexColorizer::~GuiTextBoxRegexColorizer()
			{
				StopColorizerForever();
			}

			elements::text::ColorEntry GuiTextBoxRegexColorizer::GetDefaultColor()
			{
				return defaultColor;
			}

			collections::List<WString>& GuiTextBoxRegexColorizer::GetTokenRegexes()
			{
				return tokenRegexes;
			}

			collections::List<elements::text::ColorEntry>& GuiTextBoxRegexColorizer::GetTokenColors()
			{
				return tokenColors;
			}

			collections::List<elements::text::ColorEntry>& GuiTextBoxRegexColorizer::GetExtraTokenColors()
			{
				return extraTokenColors;
			}

			vint GuiTextBoxRegexColorizer::GetExtraTokenIndexStart()
			{
				if(lexer)
				{
					return tokenColors.Count();
				}
				else
				{
					return -1;
				}
			}

			bool GuiTextBoxRegexColorizer::SetDefaultColor(elements::text::ColorEntry value)
			{
				if(lexer)
				{
					return false;
				}
				else
				{
					defaultColor=value;
					return true;
				}
			}

			vint GuiTextBoxRegexColorizer::AddToken(const WString& regex, elements::text::ColorEntry color)
			{
				if(lexer)
				{
					return -1;
				}
				else
				{
					tokenRegexes.Add(regex);
					tokenColors.Add(color);
					return tokenColors.Count()-1;
				}
			}

			vint GuiTextBoxRegexColorizer::AddExtraToken(elements::text::ColorEntry color)
			{
				if(lexer)
				{
					return -1;
				}
				else
				{
					extraTokenColors.Add(color);
					return extraTokenColors.Count()-1;
				}
			}

			void GuiTextBoxRegexColorizer::ClearTokens()
			{
				tokenRegexes.Clear();
				tokenColors.Clear();
				extraTokenColors.Clear();
				lexer=0;
			}

			void GuiTextBoxRegexColorizer::Setup()
			{
				if(lexer || tokenRegexes.Count()==0)
				{
					colors.Resize(1);
					colors[0]=defaultColor;
				}
				else
				{
					lexer=new regex::RegexLexer(tokenRegexes);
					colors.Resize(1+tokenRegexes.Count()+extraTokenColors.Count());
					colors[0]=defaultColor;
					for(vint i=0;i<tokenColors.Count();i++)
					{
						colors[i+1]=tokenColors[i];
					}
					for(vint i=0;i<extraTokenColors.Count();i++)
					{
						colors[i+1+tokenColors.Count()]=extraTokenColors[i];
					}
					colorizer=new regex::RegexLexerColorizer(lexer->Colorize());
				}
			}

			void GuiTextBoxRegexColorizer::ColorizeTokenContextSensitive(vint lineIndex, const wchar_t* text, vint start, vint length, vint& token, vint& contextState)
			{
			}

			vint GuiTextBoxRegexColorizer::GetLexerStartState()
			{
				return lexer?colorizer->GetStartState():-1;
			}

			vint GuiTextBoxRegexColorizer::GetContextStartState()
			{
				return 0;
			}

			void GuiTextBoxRegexColorizer::ColorizeLineWithCRLF(vint lineIndex, const wchar_t* text, vuint32_t* colors, vint length, vint& lexerState, vint& contextState)
			{
				memset(colors, 0, sizeof(*colors)*length);
				if(lexer)
				{
					GuiTextBoxRegexColorizerProcData data;
					data.colorizer=this;
					data.lineIndex=lineIndex;
					data.text=text;
					data.colors=colors;
					data.contextState=contextState;

					colorizer->Reset(lexerState);
					colorizer->Colorize(text, length, &GuiTextBoxRegexColorizer::ColorizerProc, &data);

					lexerState=colorizer->GetCurrentState();
					contextState=data.contextState;
				}
				else
				{
					lexerState=-1;
					contextState=-1;
				}
			}

			const GuiTextBoxRegexColorizer::ColorArray& GuiTextBoxRegexColorizer::GetColors()
			{
				return colors;
			}
		}
	}
}

/***********************************************************************
CONTROLS\TEXTEDITORPACKAGE\EDITORCALLBACK\GUITEXTGENERALOPERATIONS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
		}
	}
}

/***********************************************************************
CONTROLS\TEXTEDITORPACKAGE\EDITORCALLBACK\GUITEXTUNDOREDO.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace elements;
			using namespace elements::text;
			using namespace compositions;

/***********************************************************************
GuiGeneralUndoRedoProcessor
***********************************************************************/

			GuiGeneralUndoRedoProcessor::GuiGeneralUndoRedoProcessor()
				:firstFutureStep(0)
				,savedStep(0)
				,performingUndoRedo(false)
			{
			}

			GuiGeneralUndoRedoProcessor::~GuiGeneralUndoRedoProcessor()
			{
			}

			void GuiGeneralUndoRedoProcessor::PushStep(Ptr<IEditStep> step)
			{
				if(!performingUndoRedo)
				{
					if(firstFutureStep<savedStep)
					{
						savedStep=-1;
					}

					vint count=steps.Count()-firstFutureStep;
					if(count>0)
					{
						steps.RemoveRange(firstFutureStep, count);
					}
				
					steps.Add(step);
					firstFutureStep=steps.Count();
				}
			}

			bool GuiGeneralUndoRedoProcessor::CanUndo()
			{
				return firstFutureStep>0;
			}

			bool GuiGeneralUndoRedoProcessor::CanRedo()
			{
				return steps.Count()>firstFutureStep;
			}

			void GuiGeneralUndoRedoProcessor::ClearUndoRedo()
			{
				if(!performingUndoRedo)
				{
					steps.Clear();
					firstFutureStep=0;
					savedStep=-1;
				}
			}

			bool GuiGeneralUndoRedoProcessor::GetModified()
			{
				return firstFutureStep!=savedStep;
			}

			void GuiGeneralUndoRedoProcessor::NotifyModificationSaved()
			{
				if(!performingUndoRedo)
				{
					savedStep=firstFutureStep;
				}
			}

			bool GuiGeneralUndoRedoProcessor::Undo()
			{
				if(!CanUndo()) return false;
				performingUndoRedo=true;
				firstFutureStep--;
				steps[firstFutureStep]->Undo();
				performingUndoRedo=false;
				return true;
			}

			bool GuiGeneralUndoRedoProcessor::Redo()
			{
				if(!CanRedo()) return false;
				performingUndoRedo=true;
				firstFutureStep++;
				steps[firstFutureStep-1]->Redo();
				performingUndoRedo=false;
				return true;
			}

/***********************************************************************
GuiTextBoxUndoRedoProcessor::EditStep
***********************************************************************/

			void GuiTextBoxUndoRedoProcessor::EditStep::Undo()
			{
				GuiTextBoxCommonInterface* ci=dynamic_cast<GuiTextBoxCommonInterface*>(processor->ownerComposition->GetRelatedControl());
				if(ci)
				{
					ci->Select(arguments.inputStart, arguments.inputEnd);
					ci->SetSelectionText(arguments.originalText);
					ci->Select(arguments.originalStart, arguments.originalEnd);
				}
			}

			void GuiTextBoxUndoRedoProcessor::EditStep::Redo()
			{
				GuiTextBoxCommonInterface* ci=dynamic_cast<GuiTextBoxCommonInterface*>(processor->ownerComposition->GetRelatedControl());
				if(ci)
				{
					ci->Select(arguments.originalStart, arguments.originalEnd);
					ci->SetSelectionText(arguments.inputText);
					ci->Select(arguments.inputStart, arguments.inputEnd);
				}
			}

/***********************************************************************
GuiTextBoxUndoRedoProcessor
***********************************************************************/

			GuiTextBoxUndoRedoProcessor::GuiTextBoxUndoRedoProcessor()
				:ownerComposition(0)
			{
			}

			GuiTextBoxUndoRedoProcessor::~GuiTextBoxUndoRedoProcessor()
			{
			}

			void GuiTextBoxUndoRedoProcessor::Attach(elements::GuiColorizedTextElement* element, SpinLock& elementModifyLock, compositions::GuiGraphicsComposition* _ownerComposition, vuint editVersion)
			{
				ownerComposition=_ownerComposition;
			}

			void GuiTextBoxUndoRedoProcessor::Detach()
			{
				ClearUndoRedo();
			}

			void GuiTextBoxUndoRedoProcessor::TextEditPreview(TextEditPreviewStruct& arguments)
			{
			}

			void GuiTextBoxUndoRedoProcessor::TextEditNotify(const TextEditNotifyStruct& arguments)
			{
				Ptr<EditStep> step=new EditStep;
				step->processor=this;
				step->arguments=arguments;
				PushStep(step);
			}

			void GuiTextBoxUndoRedoProcessor::TextCaretChanged(const TextCaretChangedStruct& arguments)
			{
			}

			void GuiTextBoxUndoRedoProcessor::TextEditFinished(vuint editVersion)
			{
			}

/***********************************************************************
GuiDocumentUndoRedoProcessor::ReplaceModelStep
***********************************************************************/

			void GuiDocumentUndoRedoProcessor::ReplaceModelStep::Undo()
			{
				GuiDocumentCommonInterface* ci=dynamic_cast<GuiDocumentCommonInterface*>(processor->ownerComposition->GetRelatedControl());
				if(ci)
				{
					ci->EditRun(arguments.inputStart, arguments.inputEnd, arguments.originalModel);
					ci->SetCaret(arguments.originalStart, arguments.originalEnd);
				}
			}

			void GuiDocumentUndoRedoProcessor::ReplaceModelStep::Redo()
			{
				GuiDocumentCommonInterface* ci=dynamic_cast<GuiDocumentCommonInterface*>(processor->ownerComposition->GetRelatedControl());
				if(ci)
				{
					ci->EditRun(arguments.originalStart, arguments.originalEnd, arguments.inputModel);
					ci->SetCaret(arguments.inputStart, arguments.inputEnd);
				}
			}

/***********************************************************************
GuiDocumentUndoRedoProcessor::RenameStyleStep
***********************************************************************/

			void GuiDocumentUndoRedoProcessor::RenameStyleStep::Undo()
			{
				GuiDocumentCommonInterface* ci=dynamic_cast<GuiDocumentCommonInterface*>(processor->ownerComposition->GetRelatedControl());
				if(ci)
				{
					ci->RenameStyle(arguments.newStyleName, arguments.oldStyleName);
				}
			}

			void GuiDocumentUndoRedoProcessor::RenameStyleStep::Redo()
			{
				GuiDocumentCommonInterface* ci=dynamic_cast<GuiDocumentCommonInterface*>(processor->ownerComposition->GetRelatedControl());
				if(ci)
				{
					ci->RenameStyle(arguments.oldStyleName, arguments.newStyleName);
				}
			}

/***********************************************************************
GuiDocumentUndoRedoProcessor::SetAlignmentStep
***********************************************************************/

			void GuiDocumentUndoRedoProcessor::SetAlignmentStep::Undo()
			{
				GuiDocumentCommonInterface* ci=dynamic_cast<GuiDocumentCommonInterface*>(processor->ownerComposition->GetRelatedControl());
				if(ci)
				{
					ci->SetParagraphAlignment(TextPos(arguments->start, 0), TextPos(arguments->end, 0), arguments->originalAlignments);
				}
			}

			void GuiDocumentUndoRedoProcessor::SetAlignmentStep::Redo()
			{
				GuiDocumentCommonInterface* ci=dynamic_cast<GuiDocumentCommonInterface*>(processor->ownerComposition->GetRelatedControl());
				if(ci)
				{
					ci->SetParagraphAlignment(TextPos(arguments->start, 0), TextPos(arguments->end, 0), arguments->inputAlignments);
				}
			}

/***********************************************************************
GuiDocumentUndoRedoProcessor
***********************************************************************/

			GuiDocumentUndoRedoProcessor::GuiDocumentUndoRedoProcessor()
				:element(0)
				,ownerComposition(0)
			{
			}

			GuiDocumentUndoRedoProcessor::~GuiDocumentUndoRedoProcessor()
			{
			}

			void GuiDocumentUndoRedoProcessor::Setup(elements::GuiDocumentElement* _element, compositions::GuiGraphicsComposition* _ownerComposition)
			{
				element=_element;
				ownerComposition=_ownerComposition;
			}

			void GuiDocumentUndoRedoProcessor::OnReplaceModel(const ReplaceModelStruct& arguments)
			{
				Ptr<ReplaceModelStep> step=new ReplaceModelStep;
				step->processor=this;
				step->arguments=arguments;
				PushStep(step);
			}

			void GuiDocumentUndoRedoProcessor::OnRenameStyle(const RenameStyleStruct& arguments)
			{
				Ptr<RenameStyleStep> step=new RenameStyleStep;
				step->processor=this;
				step->arguments=arguments;
				PushStep(step);
			}

			void GuiDocumentUndoRedoProcessor::OnSetAlignment(Ptr<SetAlignmentStruct> arguments)
			{
				Ptr<SetAlignmentStep> step=new SetAlignmentStep;
				step->processor=this;
				step->arguments=arguments;
				PushStep(step);
			}
		}
	}
}

/***********************************************************************
CONTROLS\TEXTEDITORPACKAGE\LANGUAGESERVICE\GUILANGUAGEAUTOCOMPLETE.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace elements;
			using namespace regex;
			using namespace parsing;
			using namespace parsing::tabling;
			using namespace collections;

/***********************************************************************
GuiGrammarAutoComplete
***********************************************************************/

			void GuiGrammarAutoComplete::Attach(elements::GuiColorizedTextElement* _element, SpinLock& _elementModifyLock, compositions::GuiGraphicsComposition* _ownerComposition, vuint editVersion)
			{
				GuiTextBoxAutoCompleteBase::Attach(_element, _elementModifyLock, _ownerComposition, editVersion);
				RepeatingParsingExecutor::CallbackBase::Attach(_element, _elementModifyLock, _ownerComposition, editVersion);
			}

			void GuiGrammarAutoComplete::Detach()
			{
				GuiTextBoxAutoCompleteBase::Detach();
				RepeatingParsingExecutor::CallbackBase::Detach();
				if(element && elementModifyLock)
				{
					EnsureAutoCompleteFinished();
				}
			}

			void GuiGrammarAutoComplete::TextEditPreview(TextEditPreviewStruct& arguments)
			{
				GuiTextBoxAutoCompleteBase::TextEditPreview(arguments);
				RepeatingParsingExecutor::CallbackBase::TextEditPreview(arguments);

				if(element && elementModifyLock)
				{
					if(IsListOpening() && arguments.keyInput && arguments.originalText==L"" && arguments.inputText!=L"")
					{
						WString selectedItem=GetSelectedListItem();
						if(selectedItem!=L"")
						{
							TextPos begin=GetListStartPosition();
							TextPos end=arguments.originalStart;
							WString editingText=element->GetLines().GetText(begin, end);
							editingText+=arguments.inputText;
							if(grammarParser->GetTable()->GetLexer().Walk().IsClosedToken(editingText))
							{
								arguments.originalStart=begin;
								arguments.inputText=selectedItem+arguments.inputText;
								CloseList();
							}
						}
					}
				}
			}

			void GuiGrammarAutoComplete::TextEditNotify(const TextEditNotifyStruct& arguments)
			{
				GuiTextBoxAutoCompleteBase::TextEditNotify(arguments);
				RepeatingParsingExecutor::CallbackBase::TextEditNotify(arguments);
				if(element && elementModifyLock)
				{
					editing=true;
					SPIN_LOCK(editTraceLock)
					{
						editTrace.Add(arguments);
					}
				}
			}

			void GuiGrammarAutoComplete::TextCaretChanged(const TextCaretChangedStruct& arguments)
			{
				GuiTextBoxAutoCompleteBase::TextCaretChanged(arguments);
				RepeatingParsingExecutor::CallbackBase::TextCaretChanged(arguments);
				if(element && elementModifyLock)
				{
					SPIN_LOCK(editTraceLock)
					{
						// queue a fake TextEditNotifyStruct
						// a fake struct can be detected by (trace.originalText==L"" && trace.inputText==L"")
						TextEditNotifyStruct trace;
						trace.editVersion=arguments.editVersion;
						trace.originalStart=arguments.oldBegin;
						trace.originalEnd=arguments.oldEnd;
						trace.inputStart=arguments.newBegin;
						trace.inputEnd=arguments.newEnd;

						// ensure trace.originalStart<=trace.originalEnd
						if(trace.originalStart>trace.originalEnd)
						{
							TextPos temp=trace.originalStart;
							trace.originalStart=trace.originalEnd;
							trace.originalEnd=temp;
						}
						// ensure trace.inputStart<=trace.inputEnd
						if(trace.inputStart>trace.inputEnd)
						{
							TextPos temp=trace.inputStart;
							trace.inputStart=trace.inputEnd;
							trace.inputEnd=temp;
						}
						editTrace.Add(trace);
					}

					SPIN_LOCK(contextLock)
					{
						if(context.input.node)
						{
							if(editing)
							{
								// if the current caret changing is caused by editing
								// submit a task with valid editVersion and invalid node and code
								RepeatingParsingOutput input;
								input.editVersion=context.input.editVersion;
								SubmitTask(input);
							}
							else if(context.input.editVersion == arguments.editVersion)
							{
								// if the current caret changing is not caused by editing
								// submit a task with the previous input
								SubmitTask(context.input);
							}
						}
					}
				}
			}

			void GuiGrammarAutoComplete::TextEditFinished(vuint editVersion)
			{
				GuiTextBoxAutoCompleteBase::TextEditFinished(editVersion);
				RepeatingParsingExecutor::CallbackBase::TextEditFinished(editVersion);
				if(element && elementModifyLock)
				{
					editing=false;
				}
			}

			void GuiGrammarAutoComplete::OnParsingFinishedAsync(const RepeatingParsingOutput& arguments)
			{
				if(element && elementModifyLock)
				{
					GetApplication()->InvokeInMainThread([=]()
					{
						// submit a task if the RepeatingParsingExecutor notices a new parsing result
						SubmitTask(arguments);
					});
				}
			}

			void GuiGrammarAutoComplete::CollectLeftRecursiveRules()
			{
				leftRecursiveRules.Clear();
				Ptr<ParsingGeneralParser> parser=parsingExecutor->GetParser();
				Ptr<ParsingTable> table=parser->GetTable();
				vint stateCount=table->GetStateCount();
				vint tokenCount=table->GetTokenCount();
				for(vint i=0;i<stateCount;i++)
				{
					for(vint j=0;j<tokenCount;j++)
					{
						Ptr<ParsingTable::TransitionBag> bag=table->GetTransitionBag(i, j);
						if(bag)
						{
							FOREACH(Ptr<ParsingTable::TransitionItem>, item, bag->transitionItems)
							{
								FOREACH(ParsingTable::Instruction, ins, item->instructions)
								{
									if(ins.instructionType==ParsingTable::Instruction::LeftRecursiveReduce)
									{
										if(!leftRecursiveRules.Contains(ins.creatorRule))
										{
											leftRecursiveRules.Add(ins.creatorRule);
										}
									}
								}
							}
						}
					}
				}
			}

			vint GuiGrammarAutoComplete::UnsafeGetEditTraceIndex(vuint editVersion)
			{
				// get the index of the latest TextEditNotifyStruct of a specified edit version
				// this function should be called inside SPIN_LOCK(editTraceLock)
				// perform a binary search
				vint start = 0;
				vint end = editTrace.Count() - 1;
				while (start <= end)
				{
					vint middle = (start + end) / 2;
					TextEditNotifyStruct& trace = editTrace[middle];

					if (editVersion<trace.editVersion)
					{
						end = middle - 1;
					}
					else if (editVersion>trace.editVersion)
					{
						start = middle + 1;
					}
					else
					{
						// if multiple TextEditNotifyStruct is found, choose the latest one
						while (middle < editTrace.Count() - 1)
						{
							if (editTrace[middle + 1].editVersion == editTrace[middle].editVersion)
							{
								middle++;
							}
							else
							{
								break;
							}
						}
						return middle;
					}
				}
				return -1;
			}

			TextPos GuiGrammarAutoComplete::ChooseCorrectTextPos(TextPos pos, const regex::RegexTokens& tokens)
			{
				Ptr<ParsingTable> table=grammarParser->GetTable();
				RegexToken lastToken;
				lastToken.reading=0;

				FOREACH(RegexToken, token, tokens)
				{
					// we treat "class| Name" as editing the first token
					if(TextPos(token.rowEnd, token.columnEnd+1)>=pos)
					{
						if(table->GetTableTokenIndex(token.token)!=-1 && lastToken.reading)
						{
							pos=TextPos(lastToken.rowStart, lastToken.columnStart);
						}
						break;
					}
					lastToken=token;
				}
				return pos;
			}

			void GuiGrammarAutoComplete::ExecuteRefresh(AutoCompleteContext& newContext)
			{
				// process the input of a task is submitted not by text editing
				// find the text selection by the edit version of the input
				TextPos startPos, endPos;
				{
					SPIN_LOCK(editTraceLock)
					{
						vint traceIndex = UnsafeGetEditTraceIndex(newContext.input.editVersion);
						if (traceIndex == -1) return;

						TextEditNotifyStruct& trace = editTrace[traceIndex];
						startPos = trace.inputStart;
						endPos = trace.inputEnd;
					}

					const RegexLexer& lexer = grammarParser->GetTable()->GetLexer();
					RegexTokens tokens = lexer.Parse(newContext.input.code);
					startPos = ChooseCorrectTextPos(startPos, tokens);
				}

				// locate the deepest node using the text selection
				ParsingTextPos start(startPos.row, startPos.column);
				ParsingTextPos end(endPos.row, endPos.column);
				ParsingTextRange range(start, end);
				ParsingTreeNode* found = newContext.input.node->FindDeepestNode(range);
				ParsingTreeObject* selectedNode = 0;

				// if the location failed, choose the root node
				if (!found || startPos == TextPos(0, 0))
				{
					found = newContext.input.node.Obj();
				}

				if (!selectedNode)
				{
					// from the deepest node, traverse towards the root node
					// find the deepest node whose created rule is a left recursive rule and whose parent is not
					ParsingTreeObject* lrec = 0;
					ParsingTreeNode* current = found;
					while (current)
					{
						ParsingTreeObject* obj = dynamic_cast<ParsingTreeObject*>(current);
						if (obj)
						{
							FOREACH(WString, rule, obj->GetCreatorRules())
							{
								if (leftRecursiveRules.Contains(rule))
								{
									lrec = obj;
									break;
								}
							}
							if (obj && lrec && lrec != obj)
							{
								selectedNode = lrec;
								break;
							}
						}
						current = current->GetParent();
					}
				}

				if (!selectedNode)
				{
					// if there is no left recursive rule that creates the deepest node and all indirect parents
					// choose the deepest ParsingTreeObject
					ParsingTreeNode* current = found;
					while (current)
					{
						ParsingTreeObject* obj = dynamic_cast<ParsingTreeObject*>(current);
						if (obj)
						{
							selectedNode = obj;
							break;
						}
						current = current->GetParent();
					}
				}

				if (selectedNode)
				{
					// get the code range of the selected node
					start = selectedNode->GetCodeRange().start;
					end = selectedNode->GetCodeRange().end;

					// get all properties from the selected node
					newContext.rule = selectedNode->GetCreatorRules()[selectedNode->GetCreatorRules().Count() - 1];
					newContext.originalRange = selectedNode->GetCodeRange();
					newContext.originalNode = dynamic_cast<ParsingTreeObject*>(selectedNode);
					newContext.modifiedNode = newContext.originalNode;
					newContext.modifiedEditVersion = newContext.input.editVersion;

					// get the corresponding code of the selected node
					if (start.index >= 0 && end.index >= 0)
					{
						newContext.modifiedCode = newContext.input.code.Sub(start.index, end.index - start.index + 1).Buffer();
					}
				}
			}

			bool GuiGrammarAutoComplete::NormalizeTextPos(AutoCompleteContext& newContext, elements::text::TextLines& lines, TextPos& pos)
			{
				// get the start position
				TextPos start(newContext.originalRange.start.row, newContext.originalRange.start.column);

				// get the end position of the end of lines
				TextPos end
					= lines.GetCount() <= 1
					? TextPos(start.row, start.column + lines.GetLine(0).dataLength)
					: TextPos(start.row + lines.GetCount() - 1, lines.GetLine(lines.GetCount() - 1).dataLength)
					;

				if (start <= pos && pos <= end)
				{
					// if the pos is inside the range
					// normalize the pos to a new coordinate that the beginning position of lines is (row=0, column=0)
					pos.row -= start.row;
					if (pos.row == 0)
					{
						pos.column -= start.column;
					}
					return true;
				}
				else
				{
					return false;
				}
			}

			void GuiGrammarAutoComplete::ExecuteEdit(AutoCompleteContext& newContext)
			{
				// process the input of a task that is submitted by text editing
				// this function make an approximiation to the context if the RepeatingParsingExecutor is not fast enough
				// copy all TextEditNotifyStruct that is caused by a text editing before (and including) the edit version of the input
				List<TextEditNotifyStruct> usedTrace;
				{
					SPIN_LOCK(editTraceLock)
					{
						CopyFrom(
							usedTrace,
							From(editTrace)
							.Where([&newContext](const TextEditNotifyStruct& value)
								{
									return (value.originalText != L"" || value.inputText != L"") && value.editVersion > newContext.modifiedEditVersion;
								})
						);
					}
				}

				// apply all modification to get the new modifiedCode
				bool failed = false;
				if (usedTrace.Count() > 0)
				{
					if (usedTrace[0].editVersion != newContext.modifiedEditVersion + 1)
					{
						// failed if any TextEditNotifyStruct is missing 
						failed = true;
					}
					else
					{
						// initialize a TextLines with the latest modifiedCode
						text::TextLines lines;
						lines.SetText(newContext.modifiedCode);
						FOREACH(TextEditNotifyStruct, trace, usedTrace)
						{
							// apply a modification to lines
							TextPos start = trace.originalStart;
							TextPos end = trace.originalEnd;

							// only if the modification is meaningful
							if (NormalizeTextPos(newContext, lines, start) && NormalizeTextPos(newContext, lines, end))
							{
								lines.Modify(start, end, trace.inputText);
							}
							else
							{
								// otherwise, failed
								failed = true;
								break;
							}
						}

						if (!failed)
						{
							newContext.modifiedCode = lines.GetText();
						}
					}
				}

				if (failed)
				{
					// clear originalNode to notify that the current context goes wrong
					newContext.originalNode = 0;
				}

				if (usedTrace.Count() > 0)
				{
					// update the edit version
					newContext.modifiedEditVersion = usedTrace[usedTrace.Count() - 1].editVersion;
				}
			}

			void GuiGrammarAutoComplete::DeleteFutures(collections::List<parsing::tabling::ParsingState::Future*>& futures)
			{
				// delete all futures and clear the list
				FOREACH(ParsingState::Future*, future, futures)
				{
					delete future;
				}
				futures.Clear();
			}

			regex::RegexToken* GuiGrammarAutoComplete::TraverseTransitions(
				parsing::tabling::ParsingState& state,
				parsing::tabling::ParsingTransitionCollector& transitionCollector,
				TextPos stopPosition,
				collections::List<parsing::tabling::ParsingState::Future*>& nonRecoveryFutures,
				collections::List<parsing::tabling::ParsingState::Future*>& recoveryFutures
				)
			{
				const List<ParsingState::TransitionResult>& transitions = transitionCollector.GetTransitions();
				for (vint index = 0; index < transitions.Count(); index++)
				{
					const ParsingState::TransitionResult& transition = transitions[index];
					switch (transition.transitionType)
					{
					case ParsingState::TransitionResult::AmbiguityBegin:
						break;
					case ParsingState::TransitionResult::AmbiguityBranch:
						// ambiguity branches are not nested
						// tokens in different braches are the same
						// so we only need to run one branch, and skip the others
						index = transitionCollector.GetAmbiguityEndFromBegin(transitionCollector.GetAmbiguityBeginFromBranch(index));
						break;
					case ParsingState::TransitionResult::AmbiguityEnd:
						break;
					case ParsingState::TransitionResult::ExecuteInstructions:
						{
							// test does the token reach the stop position
							if (transition.token)
							{
								// we treat "A|B" as editing A if token A is endless, otherwise treated as editing B
								TextPos tokenEnd(transition.token->rowEnd, transition.token->columnEnd + 1);

								// if the caret is not at the end of the token
								if (tokenEnd > stopPosition)
								{
									// stop the traversing and return the editing token
									return transition.token;
								}
								else if (tokenEnd == stopPosition)
								{
									// if the caret is at the end of the token, and it is a closed token
									// e.g. identifier is not a closed token, string is a closed token
									if (!grammarParser->GetTable()->GetLexer().Walk().IsClosedToken(transition.token->reading, transition.token->length))
									{
										// stop the traversing and return the editing token
										return transition.token;
									}
								}
							}

							// traverse the PDA using the token specified in the current transition
							vint tableTokenIndex = transition.tableTokenIndex;
							List<ParsingState::Future*> possibilities;
							if (recoveryFutures.Count() > 0)
							{
								FOREACH(ParsingState::Future*, future, recoveryFutures)
								{
									state.Explore(tableTokenIndex, future, possibilities);
								}
							}
							else
							{
								FOREACH(ParsingState::Future*, future, nonRecoveryFutures)
								{
									state.Explore(tableTokenIndex, future, possibilities);
								}
							}

							// delete duplicated futures
							List<ParsingState::Future*> selectedPossibilities;
							for (vint i = 0; i < possibilities.Count(); i++)
							{
								ParsingState::Future* candidateFuture = possibilities[i];
								bool duplicated = false;
								FOREACH(ParsingState::Future*, future, selectedPossibilities)
								{
									if (
										candidateFuture->currentState == future->currentState &&
										candidateFuture->reduceStateCount == future->reduceStateCount &&
										candidateFuture->shiftStates.Count() == future->shiftStates.Count()
										)
									{
										bool same = true;
										for (vint j = 0; j < future->shiftStates.Count(); j++)
										{
											if (candidateFuture->shiftStates[i] != future->shiftStates[i])
											{
												same = false;
												break;
											}
										}

										if ((duplicated = same))
										{
											break;
										}
									}
								}

								if (duplicated)
								{
									delete candidateFuture;
								}
								else
								{
									selectedPossibilities.Add(candidateFuture);
								}
							}

							// step forward
							if (transition.token || transition.tableTokenIndex == ParsingTable::TokenBegin)
							{
								DeleteFutures(nonRecoveryFutures);
								DeleteFutures(recoveryFutures);
								CopyFrom(nonRecoveryFutures, selectedPossibilities);
							}
							else
							{
								DeleteFutures(recoveryFutures);
								CopyFrom(recoveryFutures, selectedPossibilities);
							}
						}
						break;
					default:;
					}
				}
				return 0;
			}

			regex::RegexToken* GuiGrammarAutoComplete::SearchValidInputToken(
				parsing::tabling::ParsingState& state,
				parsing::tabling::ParsingTransitionCollector& transitionCollector,
				TextPos stopPosition,
				AutoCompleteContext& newContext,
				collections::SortedList<vint>& tableTokenIndices
				)
			{
				// initialize the PDA state
				state.Reset(newContext.rule);
				List<ParsingState::Future*> nonRecoveryFutures, recoveryFutures;
				nonRecoveryFutures.Add(state.ExploreCreateRootFuture());

				// traverse the PDA until it reach the stop position
				// nonRecoveryFutures store the state when the last token (existing) is reached
				// recoveryFutures store the state when the last token (inserted by error recovery) is reached
				RegexToken* token = TraverseTransitions(state, transitionCollector, stopPosition, nonRecoveryFutures, recoveryFutures);

				// explore all possibilities from the last token before the stop position
				List<ParsingState::Future*> possibilities;
				for (vint i = 0; i < nonRecoveryFutures.Count(); i++)
				{
					state.Explore(ParsingTable::NormalReduce, nonRecoveryFutures[i], nonRecoveryFutures);
					state.Explore(ParsingTable::LeftRecursiveReduce, nonRecoveryFutures[i], nonRecoveryFutures);
				}
				FOREACH(ParsingState::Future*, future, nonRecoveryFutures)
				{
					vint count = state.GetTable()->GetTokenCount();
					for (vint i = ParsingTable::UserTokenStart; i < count; i++)
					{
						state.Explore(i, future, possibilities);
					}
				}

				// get all possible tokens that marked using @AutoCompleteCandidate
				FOREACH(ParsingState::Future*, future, possibilities)
				{
					if (!tableTokenIndices.Contains(future->selectedToken))
					{
						tableTokenIndices.Add(future->selectedToken);
					}
				}

				// release all data
				DeleteFutures(possibilities);
				DeleteFutures(nonRecoveryFutures);
				DeleteFutures(recoveryFutures);

				// return the editing token
				return token;
			}

			TextPos GuiGrammarAutoComplete::GlobalTextPosToModifiedTextPos(AutoCompleteContext& newContext, TextPos pos)
			{
				pos.row-=newContext.originalRange.start.row;
				if(pos.row==0)
				{
					pos.column-=newContext.originalRange.start.column;
				}
				return pos;
			}

			TextPos GuiGrammarAutoComplete::ModifiedTextPosToGlobalTextPos(AutoCompleteContext& newContext, TextPos pos)
			{
				if(pos.row==0)
				{
					pos.column+=newContext.originalRange.start.column;
				}
				pos.row+=newContext.originalRange.start.row;
				return pos;
			}

			void GuiGrammarAutoComplete::ExecuteCalculateList(AutoCompleteContext& newContext)
			{
				// calcuate the content of the auto complete list
				// it is sad that, because the parser's algorithm is too complex
				// we need to reparse and track the internal state of the PDA(push-down automaton) here.
				// initialize the PDA
				ParsingState state(newContext.modifiedCode, grammarParser->GetTable());
				state.Reset(newContext.rule);

				// prepare to get all transitions
				ParsingTransitionCollector collector;
				List<Ptr<ParsingError>> errors;

				// reparse and get all transitions during parsing
				if (grammarParser->Parse(state, collector, errors))
				{
					// if modifiedNode is not prepared (the task is submitted because of text editing)
					// use the transition to build the syntax tree
					if (!newContext.modifiedNode)
					{
						ParsingTreeBuilder builder;
						builder.Reset();
						bool succeeded = true;
						FOREACH(ParsingState::TransitionResult, transition, collector.GetTransitions())
						{
							if (!(succeeded = builder.Run(transition)))
							{
								break;
							}
						}

						if (succeeded)
						{
							Ptr<ParsingTreeNode> parsedNode = builder.GetNode();
							newContext.modifiedNode = parsedNode.Cast<ParsingTreeObject>();
							newContext.modifiedNode->InitializeQueryCache();
						}
					}

					if (newContext.modifiedNode)
					{
						// get the latest text editing trace
						TextEditNotifyStruct trace;
						SPIN_LOCK(editTraceLock)
						{
							vint index = UnsafeGetEditTraceIndex(newContext.modifiedEditVersion);
							if (index == -1)
							{
								return;
							}
							else
							{
								trace = editTrace[index];
							}
						}

						// calculate the stop position for PDA traversing
						TextPos stopPosition = GlobalTextPosToModifiedTextPos(newContext, trace.inputStart);

						// find all possible token before the current caret using the PDA
						Ptr<AutoCompleteData> autoComplete = new AutoCompleteData;
						SortedList<vint> tableTokenIndices;
						RegexToken* editingToken = SearchValidInputToken(state, collector, stopPosition, newContext, tableTokenIndices);

						// collect all auto complete types
						{
							// collect all keywords that can be put into the auto complete list
							FOREACH(vint, token, tableTokenIndices)
							{
								vint regexToken = token - ParsingTable::UserTokenStart;
								if (regexToken >= 0)
								{
									autoComplete->candidates.Add(regexToken);
									if (parsingExecutor->GetTokenMetaData(regexToken).isCandidate)
									{
										autoComplete->shownCandidates.Add(regexToken);
									}
								}
							}

							// calculate the arranged stopPosition
							if (editingToken)
							{
								TextPos tokenPos(editingToken->rowStart, editingToken->columnStart);
								if (tokenPos < stopPosition)
								{
									stopPosition = tokenPos;
								}
							}

							// calculate the start/end position for PDA traversing
							TextPos startPos, endPos;
							{
								startPos = ModifiedTextPosToGlobalTextPos(newContext, stopPosition);
								autoComplete->startPosition = startPos;
								endPos = trace.inputEnd;
								if (newContext.modifiedNode != newContext.originalNode)
								{
									startPos = GlobalTextPosToModifiedTextPos(newContext, startPos);
									endPos = GlobalTextPosToModifiedTextPos(newContext, endPos);
								}
								if (startPos<endPos && endPos.column>0)
								{
									endPos.column--;
								}
							}

							// calculate the auto complete type
							if (editingToken && parsingExecutor->GetTokenMetaData(editingToken->token).hasAutoComplete)
							{
								ParsingTextRange range(ParsingTextPos(startPos.row, startPos.column), ParsingTextPos(endPos.row, endPos.column));
								AutoCompleteData::RetriveContext(*autoComplete.Obj(), range, newContext.modifiedNode.Obj(), parsingExecutor.Obj());
							}
						}
						newContext.autoComplete = autoComplete;
					}
				}
			}

			void GuiGrammarAutoComplete::Execute(const RepeatingParsingOutput& input)
			{
				SPIN_LOCK(contextLock)
				{
					if(input.editVersion<context.input.editVersion)
					{
						return;
					}
				}
				AutoCompleteContext newContext;
				bool byGlobalCorrection=false;

				if(input.node)
				{
					newContext.input=input;
					ExecuteRefresh(newContext);
					byGlobalCorrection=true;
				}
				else
				{
					SPIN_LOCK(contextLock)
					{
						newContext=context;
						newContext.modifiedNode=0;
						newContext.autoComplete=0;
					}
					if(newContext.originalNode)
					{
						ExecuteEdit(newContext);
					}
				}

				if(newContext.originalNode)
				{
					ExecuteCalculateList(newContext);
				}

				SPIN_LOCK(contextLock)
				{
					context=newContext;
				}
				if(newContext.modifiedNode)
				{
					OnContextFinishedAsync(context);
					GetApplication()->InvokeInMainThread([=]()
					{
						PostList(newContext, byGlobalCorrection);
					});
				}
			}

			void GuiGrammarAutoComplete::PostList(const AutoCompleteContext& newContext, bool byGlobalCorrection)
			{
				bool openList = true;			// true: make the list visible
				bool keepListState = false;		// true: don't change the list visibility
				Ptr<AutoCompleteData> autoComplete = newContext.autoComplete;

				// if failed to get the auto complete list, close
				if (!autoComplete)
				{
					openList = false;
				}
				if (openList)
				{
					if (autoComplete->shownCandidates.Count() + autoComplete->candidateItems.Count() == 0)
					{
						openList = false;
					}
				}

				TextPos startPosition, endPosition;
				WString editingText;
				if (openList)
				{
					SPIN_LOCK(editTraceLock)
					{
						// if the edit version is invalid, cancel
						vint traceIndex = UnsafeGetEditTraceIndex(newContext.modifiedEditVersion);
						if (traceIndex == -1)
						{
							return;
						}
						// an edit version has two trace at most, for text change and caret change, here we peak the text change
						if (traceIndex > 0 && editTrace[traceIndex - 1].editVersion == context.modifiedEditVersion)
						{
							traceIndex--;
						}
						// if the edit version is not created by keyboard input, close
						if (traceIndex >= 0)
						{
							TextEditNotifyStruct& trace = editTrace[traceIndex];
							if (!trace.keyInput)
							{
								openList = false;
							}
						}

						// scan all traces from the calculation's edit version until now
						if (openList)
						{
							keepListState = true;
							startPosition = autoComplete->startPosition;
							endPosition = editTrace[editTrace.Count() - 1].inputEnd;
							for (vint i = traceIndex; i < editTrace.Count(); i++)
							{
								TextEditNotifyStruct& trace = editTrace[i];
								// if there are no text change trace until now, don't change the list
								if (trace.originalText != L"" || trace.inputText != L"")
								{
									keepListState = false;
								}
								// if the edit position goes before the start position of the auto complete, refresh
								if (trace.inputEnd <= startPosition)
								{
									openList = false;
									break;
								}
							}
						}

						if (traceIndex > 0)
						{
							editTrace.RemoveRange(0, traceIndex);
						}
					}
				}

				// if there is a global correction send to the UI thread but the list is not opening, cancel
				if (byGlobalCorrection && !IsListOpening())
				{
					return;
				}

				// if the input text from the start position to the current position crosses a token, close
				if (openList && element)
				{
					editingText = element->GetLines().GetText(startPosition, endPosition);
					if (grammarParser->GetTable()->GetLexer().Walk().IsClosedToken(editingText))
					{
						openList = false;
					}
				}

				// calculate the content of the list
				if (autoComplete && ((!keepListState && openList) || IsListOpening()))
				{
					SortedList<WString> itemKeys;
					List<ParsingCandidateItem> itemValues;

					// copy all candidate keywords
					FOREACH(vint, token, autoComplete->shownCandidates)
					{
						WString literal = parsingExecutor->GetTokenMetaData(token).unescapedRegexText;
						if (literal != L"" && !itemKeys.Contains(literal))
						{
							ParsingCandidateItem item;
							item.name = literal;
							item.semanticId = -1;
							itemValues.Insert(itemKeys.Add(literal), item);
						}
					}

					// copy all candidate symbols
					if (autoComplete->acceptableSemanticIds)
					{
						FOREACH(ParsingCandidateItem, item, autoComplete->candidateItems)
						{
							if (autoComplete->acceptableSemanticIds->Contains(item.semanticId))
							{
								// add all acceptable display of a symbol
								// because a symbol can has multiple representation in different places
								if (item.name != L"" && !itemKeys.Contains(item.name))
								{
									itemValues.Insert(itemKeys.Add(item.name), item);
								}
							}
						}
					}

					// fill the list
					List<GuiTextBoxAutoCompleteBase::AutoCompleteItem> candidateItems;
					for (vint i = 0; i < itemValues.Count(); i++)
					{
						auto& item = itemValues[i];
						if (item.tag.IsNull())
						{
							if (auto analyzer = parsingExecutor->GetAnalyzer())
							{
								item.tag = analyzer->CreateTagForCandidateItem(item);
							}
						}

						GuiTextBoxAutoCompleteBase::AutoCompleteItem candidateItem;
						candidateItem.text = item.name;
						candidateItem.tag = item.tag;
						candidateItems.Add(candidateItem);
					}
					SetListContent(candidateItems);
				}

				// set the list state
				if (!keepListState)
				{
					if (openList)
					{
						OpenList(startPosition);
					}
					else
					{
						CloseList();
					}
				}

				if (IsListOpening())
				{
					HighlightList(editingText);
				}
			}

			void GuiGrammarAutoComplete::Initialize()
			{
				grammarParser=CreateAutoRecoverParser(parsingExecutor->GetParser()->GetTable());
				CollectLeftRecursiveRules();
				parsingExecutor->AttachCallback(this);
			}

			void GuiGrammarAutoComplete::OnContextFinishedAsync(AutoCompleteContext& context)
			{
				if (auto analyzer = parsingExecutor->GetAnalyzer())
				{
					if (context.autoComplete && context.autoComplete->acceptableSemanticIds)
					{
						analyzer->GetCandidateItemsAsync(*context.autoComplete.Obj(), context, context.autoComplete->candidateItems);
					}
				}
			}

			void GuiGrammarAutoComplete::EnsureAutoCompleteFinished()
			{
				parsingExecutor->EnsureTaskFinished();
				SPIN_LOCK(contextLock)
				{
					context = AutoCompleteContext();
				}
			}

			GuiGrammarAutoComplete::GuiGrammarAutoComplete(Ptr<RepeatingParsingExecutor> _parsingExecutor)
				:RepeatingParsingExecutor::CallbackBase(_parsingExecutor)
				,editing(false)
			{
				Initialize();
			}

			GuiGrammarAutoComplete::GuiGrammarAutoComplete(Ptr<parsing::tabling::ParsingGeneralParser> _grammarParser, const WString& _grammarRule)
				:RepeatingParsingExecutor::CallbackBase(new RepeatingParsingExecutor(_grammarParser, _grammarRule))
				,editing(false)
			{
				Initialize();
			}

			GuiGrammarAutoComplete::~GuiGrammarAutoComplete()
			{
				EnsureAutoCompleteFinished();
				parsingExecutor->DetachCallback(this);
			}

			Ptr<RepeatingParsingExecutor> GuiGrammarAutoComplete::GetParsingExecutor()
			{
				return parsingExecutor;
			}
		}
	}
}

/***********************************************************************
CONTROLS\TEXTEDITORPACKAGE\LANGUAGESERVICE\GUILANGUAGECOLORIZER.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace elements;
			using namespace parsing;
			using namespace parsing::tabling;
			using namespace collections;
			using namespace theme;

/***********************************************************************
GuiGrammarColorizer
***********************************************************************/

			void GuiGrammarColorizer::OnParsingFinishedAsync(const RepeatingParsingOutput& output)
			{
				SPIN_LOCK(contextLock)
				{
					context=output;
					OnContextFinishedAsync(context);
				}
				RestartColorizer();
			}

			void GuiGrammarColorizer::OnContextFinishedAsync(const RepeatingParsingOutput& context)
			{
			}

			void GuiGrammarColorizer::Attach(elements::GuiColorizedTextElement* _element, SpinLock& _elementModifyLock, compositions::GuiGraphicsComposition* _ownerComposition, vuint editVersion)
			{
				GuiTextBoxRegexColorizer::Attach(_element, _elementModifyLock, _ownerComposition, editVersion);
				RepeatingParsingExecutor::CallbackBase::Attach(_element, _elementModifyLock, _ownerComposition, editVersion);
			}

			void GuiGrammarColorizer::Detach()
			{
				GuiTextBoxRegexColorizer::Detach();
				RepeatingParsingExecutor::CallbackBase::Detach();
				if(element && elementModifyLock)
				{
					parsingExecutor->EnsureTaskFinished();
					StopColorizer(false);
				}
			}

			void GuiGrammarColorizer::TextEditPreview(TextEditPreviewStruct& arguments)
			{
				GuiTextBoxRegexColorizer::TextEditPreview(arguments);
				RepeatingParsingExecutor::CallbackBase::TextEditPreview(arguments);
			}

			void GuiGrammarColorizer::TextEditNotify(const TextEditNotifyStruct& arguments)
			{
				GuiTextBoxRegexColorizer::TextEditNotify(arguments);
				RepeatingParsingExecutor::CallbackBase::TextEditNotify(arguments);
			}

			void GuiGrammarColorizer::TextCaretChanged(const TextCaretChangedStruct& arguments)
			{
				GuiTextBoxRegexColorizer::TextCaretChanged(arguments);
				RepeatingParsingExecutor::CallbackBase::TextCaretChanged(arguments);
			}

			void GuiGrammarColorizer::TextEditFinished(vuint editVersion)
			{
				GuiTextBoxRegexColorizer::TextEditFinished(editVersion);
				RepeatingParsingExecutor::CallbackBase::TextEditFinished(editVersion);
			}

			void GuiGrammarColorizer::OnSemanticColorize(SemanticColorizeContext& context, const RepeatingParsingOutput& input)
			{
				if (auto analyzer = parsingExecutor->GetAnalyzer())
				{
					auto semanticId = analyzer->GetSemanticIdForTokenAsync(context, input);
					if(semanticId!=-1)
					{
						context.semanticId=semanticId;
					}
				}
			}

			void GuiGrammarColorizer::EnsureColorizerFinished()
			{
				parsingExecutor->EnsureTaskFinished();
				StopColorizerForever();
				SPIN_LOCK(contextLock)
				{
					context=RepeatingParsingOutput();
				}
			}

			GuiGrammarColorizer::GuiGrammarColorizer(Ptr<RepeatingParsingExecutor> _parsingExecutor)
				:RepeatingParsingExecutor::CallbackBase(_parsingExecutor)
			{
				parsingExecutor->AttachCallback(this);
				BeginSetColors();
			}

			GuiGrammarColorizer::GuiGrammarColorizer(Ptr<parsing::tabling::ParsingGeneralParser> _grammarParser, const WString& _grammarRule)
				:RepeatingParsingExecutor::CallbackBase(new RepeatingParsingExecutor(_grammarParser, _grammarRule))
			{
				parsingExecutor->AttachCallback(this);
				BeginSetColors();
			}

			GuiGrammarColorizer::~GuiGrammarColorizer()
			{
				EnsureColorizerFinished();
				parsingExecutor->DetachCallback(this);
			}

			void GuiGrammarColorizer::BeginSetColors()
			{
				ClearTokens();
				colorSettings.Clear();
				text::ColorEntry entry=GetCurrentTheme()->GetDefaultTextBoxColorEntry();
				SetDefaultColor(entry);
				colorSettings.Add(L"Default", entry);
			}

			const collections::SortedList<WString>& GuiGrammarColorizer::GetColorNames()
			{
				return colorSettings.Keys();
			}

			GuiGrammarColorizer::ColorEntry GuiGrammarColorizer::GetColor(const WString& name)
			{
				vint index=colorSettings.Keys().IndexOf(name);
				return index==-1?GetDefaultColor():colorSettings.Values().Get(index);
			}

			void GuiGrammarColorizer::SetColor(const WString& name, const ColorEntry& entry)
			{
				colorSettings.Set(name, entry);
			}

			void GuiGrammarColorizer::SetColor(const WString& name, const Color& color)
			{
				text::ColorEntry entry=GetDefaultColor();
				entry.normal.text=color;
				SetColor(name, entry);
			}

			void GuiGrammarColorizer::EndSetColors()
			{
				SortedList<WString> tokenColors;
				Ptr<ParsingTable> table=parsingExecutor->GetParser()->GetTable();
				semanticColorMap.Clear();

				vint tokenCount=table->GetTokenCount();
				for(vint token=ParsingTable::UserTokenStart;token<tokenCount;token++)
				{
					const ParsingTable::TokenInfo& tokenInfo=table->GetTokenInfo(token);
					const RepeatingParsingExecutor::TokenMetaData& md=parsingExecutor->GetTokenMetaData(token-ParsingTable::UserTokenStart);
					if(md.defaultColorIndex==-1)
					{
						AddToken(tokenInfo.regex, GetDefaultColor());
					}
					else
					{
						WString name=parsingExecutor->GetSemanticName(md.defaultColorIndex);
						vint color=AddToken(tokenInfo.regex, GetColor(name));
						semanticColorMap.Set(md.defaultColorIndex, color);
						tokenColors.Add(name);
					}
				}

				FOREACH_INDEXER(WString, color, index, colorSettings.Keys())
				{
					if(!tokenColors.Contains(color))
					{
						vint semanticId=parsingExecutor->GetSemanticId(color);
						if(semanticId!=-1)
						{
							vint tokenId=AddExtraToken(colorSettings.Values().Get(index));
							vint color=tokenId+tokenCount-ParsingTable::UserTokenStart;
							semanticColorMap.Set(semanticId, color);
						}
					}
				}
				Setup();
			}

			void GuiGrammarColorizer::ColorizeTokenContextSensitive(vint lineIndex, const wchar_t* text, vint start, vint length, vint& token, vint& contextState)
			{
				SPIN_LOCK(contextLock)
				{
					ParsingTreeObject* node=context.node.Obj();
					if(node && token!=-1 && parsingExecutor->GetTokenMetaData(token).hasContextColor)
					{
						ParsingTextPos pos(lineIndex, start);
						SemanticColorizeContext scContext;
						if(SemanticColorizeContext::RetriveContext(scContext, pos, node, parsingExecutor.Obj()))
						{
							const RepeatingParsingExecutor::FieldMetaData& md=parsingExecutor->GetFieldMetaData(scContext.type, scContext.field);
							vint semantic=md.colorIndex;
							scContext.semanticId=-1;

							if(scContext.acceptableSemanticIds)
							{
								OnSemanticColorize(scContext, context);
								if(md.semantics->Contains(scContext.semanticId))
								{
									semantic=scContext.semanticId;
								}
							}

							if(semantic!=-1)
							{
								vint index=semanticColorMap.Keys().IndexOf(semantic);
								if(index!=-1)
								{
									token=semanticColorMap.Values()[index];
								}
							}
						}
					}
				}
			}

			Ptr<RepeatingParsingExecutor> GuiGrammarColorizer::GetParsingExecutor()
			{
				return parsingExecutor;
			}
		}
	}
}

/***********************************************************************
CONTROLS\TEXTEDITORPACKAGE\LANGUAGESERVICE\GUILANGUAGEOPERATIONS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace collections;
			using namespace parsing;
			using namespace parsing::tabling;
			using namespace regex_internal;

/***********************************************************************
ParsingContext
***********************************************************************/

			bool ParsingTokenContext::RetriveContext(ParsingTokenContext& output, parsing::ParsingTreeNode* foundNode, RepeatingParsingExecutor* executor)
			{
				ParsingTreeToken* foundToken=dynamic_cast<ParsingTreeToken*>(foundNode);
				if(!foundToken) return false;
				ParsingTreeObject* tokenParent=dynamic_cast<ParsingTreeObject*>(foundNode->GetParent());
				if(!tokenParent) return false;
				vint index=tokenParent->GetMembers().Values().IndexOf(foundNode);
				if(index==-1) return false;

				WString type=tokenParent->GetType();
				WString field=tokenParent->GetMembers().Keys().Get(index);
				const RepeatingParsingExecutor::FieldMetaData& md=executor->GetFieldMetaData(type, field);

				output.foundToken=foundToken;
				output.tokenParent=tokenParent;
				output.type=type;
				output.field=field;
				output.acceptableSemanticIds=md.semantics;
				return true;
			}

			bool ParsingTokenContext::RetriveContext(ParsingTokenContext& output, parsing::ParsingTextPos pos, parsing::ParsingTreeObject* rootNode, RepeatingParsingExecutor* executor)
			{
				ParsingTreeNode* foundNode=rootNode->FindDeepestNode(pos);
				if(!foundNode) return false;
				return RetriveContext(output, foundNode, executor);
			}

			bool ParsingTokenContext::RetriveContext(ParsingTokenContext& output, parsing::ParsingTextRange range, ParsingTreeObject* rootNode, RepeatingParsingExecutor* executor)
			{
				ParsingTreeNode* foundNode=rootNode->FindDeepestNode(range);
				if(!foundNode) return false;
				return RetriveContext(output, foundNode, executor);
			}

/***********************************************************************
RepeatingParsingExecutor::IParsingAnalyzer
***********************************************************************/

		parsing::ParsingTreeNode* RepeatingParsingExecutor::IParsingAnalyzer::ToParent(parsing::ParsingTreeNode* node, const RepeatingPartialParsingOutput* output)
		{
			if (!output || !output->modifiedNode) return node;
			return node == output->modifiedNode.Obj()
				? output->originalNode.Obj()
				: node;
		}

		parsing::ParsingTreeObject* RepeatingParsingExecutor::IParsingAnalyzer::ToChild(parsing::ParsingTreeObject* node, const RepeatingPartialParsingOutput* output)
		{
			if (!output || !output->modifiedNode) return node;
			return node == output->originalNode.Obj()
				? output->modifiedNode.Obj()
				: node;
		}

		Ptr<parsing::ParsingTreeNode> RepeatingParsingExecutor::IParsingAnalyzer::ToChild(Ptr<parsing::ParsingTreeNode> node, const RepeatingPartialParsingOutput* output)
		{
			if (!output) return node;
			return node == output->originalNode
				? output->modifiedNode.Cast<ParsingTreeNode>()
				: node;
		}

		parsing::ParsingTreeNode* RepeatingParsingExecutor::IParsingAnalyzer::GetParent(parsing::ParsingTreeNode* node, const RepeatingPartialParsingOutput* output)
		{
			return ToParent(node, output)->GetParent();
		}

		Ptr<parsing::ParsingTreeNode> RepeatingParsingExecutor::IParsingAnalyzer::GetMember(parsing::ParsingTreeObject* node, const WString& name, const RepeatingPartialParsingOutput* output)
		{
			return ToChild(ToChild(node, output)->GetMember(name), output);
		}

		Ptr<parsing::ParsingTreeNode> RepeatingParsingExecutor::IParsingAnalyzer::GetItem(parsing::ParsingTreeArray* node, vint index, const RepeatingPartialParsingOutput* output)
		{
			return ToChild(node->GetItem(index), output);
		}

/***********************************************************************
RepeatingParsingExecutor::CallbackBase
***********************************************************************/

			RepeatingParsingExecutor::CallbackBase::CallbackBase(Ptr<RepeatingParsingExecutor> _parsingExecutor)
				:parsingExecutor(_parsingExecutor)
				,callbackAutoPushing(false)
				,callbackElement(0)
				,callbackElementModifyLock(0)
			{
			}

			RepeatingParsingExecutor::CallbackBase::~CallbackBase()
			{
			}

			void RepeatingParsingExecutor::CallbackBase::RequireAutoSubmitTask(bool enabled)
			{
				callbackAutoPushing=enabled;
			}

			void RepeatingParsingExecutor::CallbackBase::Attach(elements::GuiColorizedTextElement* _element, SpinLock& _elementModifyLock, compositions::GuiGraphicsComposition* _ownerComposition, vuint editVersion)
			{
				if(_element)
				{
					SPIN_LOCK(_elementModifyLock)
					{
						callbackElement=_element;
						callbackElementModifyLock=&_elementModifyLock;
					}
				}
				
				parsingExecutor->ActivateCallback(this);
				if(callbackElement && callbackElementModifyLock && callbackAutoPushing)
				{
					SPIN_LOCK(*callbackElementModifyLock)
					{
						RepeatingParsingInput input;
						input.editVersion=editVersion;
						input.code=callbackElement->GetLines().GetText();
						parsingExecutor->SubmitTask(input);
					}
				}
			}

			void RepeatingParsingExecutor::CallbackBase::Detach()
			{
				if(callbackElement && callbackElementModifyLock)
				{
					SPIN_LOCK(*callbackElementModifyLock)
					{
						callbackElement=0;
						callbackElementModifyLock=0;
					}
				}
				
				parsingExecutor->DeactivateCallback(this);
			}

			void RepeatingParsingExecutor::CallbackBase::TextEditPreview(TextEditPreviewStruct& arguments)
			{
			}

			void RepeatingParsingExecutor::CallbackBase::TextEditNotify(const TextEditNotifyStruct& arguments)
			{
			}

			void RepeatingParsingExecutor::CallbackBase::TextCaretChanged(const TextCaretChangedStruct& arguments)
			{
			}

			void RepeatingParsingExecutor::CallbackBase::TextEditFinished(vuint editVersion)
			{
				if(callbackElement && callbackElementModifyLock && callbackAutoPushing)
				{
					SPIN_LOCK(*callbackElementModifyLock)
					{
						RepeatingParsingInput input;
						input.editVersion=editVersion;
						input.code=callbackElement->GetLines().GetText();
						parsingExecutor->SubmitTask(input);
					}
				}
			}

/***********************************************************************
RepeatingParsingExecutor
***********************************************************************/

			void RepeatingParsingExecutor::Execute(const RepeatingParsingInput& input)
			{
				List<Ptr<ParsingError>> errors;
				Ptr<ParsingTreeObject> node=grammarParser->Parse(input.code, grammarRule, errors).Cast<ParsingTreeObject>();
				if(node)
				{
					node->InitializeQueryCache();
				}

				RepeatingParsingOutput result;
				result.node=node;
				result.editVersion=input.editVersion;
				result.code=input.code;
				if(node)
				{
					OnContextFinishedAsync(result);
					FOREACH(ICallback*, callback, callbacks)
					{
						callback->OnParsingFinishedAsync(result);
					}
				}
			}

			void RepeatingParsingExecutor::PrepareMetaData()
			{
				Ptr<ParsingTable> table=grammarParser->GetTable();
				tokenIndexMap.Clear();
				semanticIndexMap.Clear();
				tokenMetaDatas.Clear();
				fieldMetaDatas.Clear();

				Dictionary<vint, Ptr<ParsingTable::AttributeInfo>> tokenColorAtts, tokenContextColorAtts, tokenCandidateAtts, tokenAutoCompleteAtts;
				Dictionary<FieldDesc, Ptr<ParsingTable::AttributeInfo>> fieldColorAtts, fieldSemanticAtts;

				{
					vint tokenCount=table->GetTokenCount();
					for(vint token=ParsingTable::UserTokenStart;token<tokenCount;token++)
					{
						const ParsingTable::TokenInfo& tokenInfo=table->GetTokenInfo(token);
						vint tokenIndex=token-ParsingTable::UserTokenStart;
						tokenIndexMap.Add(tokenInfo.name, tokenIndex);

						if(Ptr<ParsingTable::AttributeInfo> att=GetColorAttribute(tokenInfo.attributeIndex))
						{
							tokenColorAtts.Add(tokenIndex, att);
						}
						if(Ptr<ParsingTable::AttributeInfo> att=GetContextColorAttribute(tokenInfo.attributeIndex))
						{
							tokenContextColorAtts.Add(tokenIndex, att);
						}
						if(Ptr<ParsingTable::AttributeInfo> att=GetCandidateAttribute(tokenInfo.attributeIndex))
						{
							tokenCandidateAtts.Add(tokenIndex, att);
						}
						if(Ptr<ParsingTable::AttributeInfo> att=GetAutoCompleteAttribute(tokenInfo.attributeIndex))
						{
							tokenAutoCompleteAtts.Add(tokenIndex, att);
						}
					}
				}
				{
					vint fieldCount=table->GetTreeFieldInfoCount();
					for(vint field=0;field<fieldCount;field++)
					{
						const ParsingTable::TreeFieldInfo& fieldInfo=table->GetTreeFieldInfo(field);
						FieldDesc fieldDesc(fieldInfo.type, fieldInfo.field);

						if(Ptr<ParsingTable::AttributeInfo> att=GetColorAttribute(fieldInfo.attributeIndex))
						{
							fieldColorAtts.Add(fieldDesc, att);
						}
						if(Ptr<ParsingTable::AttributeInfo> att=GetSemanticAttribute(fieldInfo.attributeIndex))
						{
							fieldSemanticAtts.Add(fieldDesc, att);
						}
					}
				}

				FOREACH(Ptr<ParsingTable::AttributeInfo>, att, 
					From(tokenColorAtts.Values())
						.Concat(tokenContextColorAtts.Values())
						.Concat(fieldColorAtts.Values())
						.Concat(fieldSemanticAtts.Values())
					)
				{
					FOREACH(WString, argument, att->arguments)
					{
						if(!semanticIndexMap.Contains(argument))
						{
							semanticIndexMap.Add(argument);
						}
					}
				}

				vint index=0;
				FOREACH(vint, tokenIndex, tokenIndexMap.Values())
				{
					TokenMetaData md;
					md.tableTokenIndex=tokenIndex+ParsingTable::UserTokenStart;
					md.lexerTokenIndex=tokenIndex;
					md.defaultColorIndex=-1;
					md.hasContextColor=false;
					md.hasAutoComplete=false;
					md.isCandidate=false;

					if((index=tokenColorAtts.Keys().IndexOf(tokenIndex))!=-1)
					{
						md.defaultColorIndex=semanticIndexMap.IndexOf(tokenColorAtts.Values()[index]->arguments[0]);
					}
					md.hasContextColor=tokenContextColorAtts.Keys().Contains(tokenIndex);
					md.hasAutoComplete=tokenAutoCompleteAtts.Keys().Contains(tokenIndex);
					if((md.isCandidate=tokenCandidateAtts.Keys().Contains(tokenIndex)))
					{
						const ParsingTable::TokenInfo& tokenInfo=table->GetTokenInfo(md.tableTokenIndex);
						if(IsRegexEscapedLiteralString(tokenInfo.regex))
						{
							md.unescapedRegexText=UnescapeTextForRegex(tokenInfo.regex);
						}
						else
						{
							md.isCandidate=false;
						}
					}

					tokenMetaDatas.Add(tokenIndex, md);
				}
				{
					vint fieldCount=table->GetTreeFieldInfoCount();
					for(vint field=0;field<fieldCount;field++)
					{
						const ParsingTable::TreeFieldInfo& fieldInfo=table->GetTreeFieldInfo(field);
						FieldDesc fieldDesc(fieldInfo.type, fieldInfo.field);

						FieldMetaData md;
						md.colorIndex=-1;

						if((index=fieldColorAtts.Keys().IndexOf(fieldDesc))!=-1)
						{
							md.colorIndex=semanticIndexMap.IndexOf(fieldColorAtts.Values()[index]->arguments[0]);
						}
						if((index=fieldSemanticAtts.Keys().IndexOf(fieldDesc))!=-1)
						{
							md.semantics=new List<vint>;
							FOREACH(WString, argument, fieldSemanticAtts.Values()[index]->arguments)
							{
								md.semantics->Add(semanticIndexMap.IndexOf(argument));
							}
						}

						fieldMetaDatas.Add(fieldDesc, md);
					}
				}
			}

			void RepeatingParsingExecutor::OnContextFinishedAsync(RepeatingParsingOutput& context)
			{
				if(analyzer)
				{
					context.cache = analyzer->CreateCacheAsync(context);
				}
			}

			RepeatingParsingExecutor::RepeatingParsingExecutor(Ptr<parsing::tabling::ParsingGeneralParser> _grammarParser, const WString& _grammarRule, Ptr<IParsingAnalyzer> _analyzer)
				:grammarParser(_grammarParser)
				,grammarRule(_grammarRule)
				,analyzer(_analyzer)
				,autoPushingCallback(0)
			{
				PrepareMetaData();
				if (analyzer)
				{
					analyzer->Attach(this);
				}
			}

			RepeatingParsingExecutor::~RepeatingParsingExecutor()
			{
				EnsureTaskFinished();
				if (analyzer)
				{
					analyzer->Detach(this);
				}
			}

			Ptr<parsing::tabling::ParsingGeneralParser> RepeatingParsingExecutor::GetParser()
			{
				return grammarParser;
			}

			bool RepeatingParsingExecutor::AttachCallback(ICallback* value)
			{
				if(!value) return false;
				if(callbacks.Contains(value)) return false;
				callbacks.Add(value);
				return true;
			}

			bool RepeatingParsingExecutor::DetachCallback(ICallback* value)
			{
				if(!value) return false;
				if(!callbacks.Contains(value)) return false;
				DeactivateCallback(value);
				callbacks.Remove(value);
				return true;
			}

			bool RepeatingParsingExecutor::ActivateCallback(ICallback* value)
			{
				if(!value) return false;
				if(!callbacks.Contains(value)) return false;
				if(activatedCallbacks.Contains(value)) return false;
				activatedCallbacks.Add(value);

				if(!autoPushingCallback)
				{
					autoPushingCallback=value;
					autoPushingCallback->RequireAutoSubmitTask(true);
				}
				return true;
			}

			bool RepeatingParsingExecutor::DeactivateCallback(ICallback* value)
			{
				if(!value) return false;
				if(!callbacks.Contains(value)) return false;
				if(!activatedCallbacks.Contains(value)) return false;

				if(autoPushingCallback==value)
				{
					autoPushingCallback->RequireAutoSubmitTask(false);
					autoPushingCallback=0;
				}
				activatedCallbacks.Remove(value);
				if(!autoPushingCallback && activatedCallbacks.Count()>0)
				{
					autoPushingCallback=activatedCallbacks[0];
					autoPushingCallback->RequireAutoSubmitTask(true);
				}
				return true;
			}

			Ptr<RepeatingParsingExecutor::IParsingAnalyzer> RepeatingParsingExecutor::GetAnalyzer()
			{
				return analyzer;
			}

			vint RepeatingParsingExecutor::GetTokenIndex(const WString& tokenName)
			{
				vint index=tokenIndexMap.Keys().IndexOf(tokenName);
				return index==-1?-1:tokenIndexMap.Values()[index];
			}

			vint RepeatingParsingExecutor::GetSemanticId(const WString& name)
			{
				return semanticIndexMap.IndexOf(name);
			}

			WString RepeatingParsingExecutor::GetSemanticName(vint id)
			{
				return 0<=id&&id<semanticIndexMap.Count()?semanticIndexMap[id]:L"";
			}

			const RepeatingParsingExecutor::TokenMetaData& RepeatingParsingExecutor::GetTokenMetaData(vint regexTokenIndex)
			{
				return tokenMetaDatas[regexTokenIndex];
			}

			const RepeatingParsingExecutor::FieldMetaData& RepeatingParsingExecutor::GetFieldMetaData(const WString& type, const WString& field)
			{
				return fieldMetaDatas[FieldDesc(type, field)];
			}

			Ptr<parsing::tabling::ParsingTable::AttributeInfo> RepeatingParsingExecutor::GetAttribute(vint index, const WString& name, vint argumentCount)
			{
				if(index!=-1)
				{
					Ptr<ParsingTable::AttributeInfo> att=grammarParser->GetTable()->GetAttributeInfo(index)->FindFirst(name);
					if(att && (argumentCount==-1 || att->arguments.Count()==argumentCount))
					{
						return att;
					}
				}
				return 0;
			}

			Ptr<parsing::tabling::ParsingTable::AttributeInfo> RepeatingParsingExecutor::GetColorAttribute(vint index)
			{
				return GetAttribute(index, L"Color", 1);
			}

			Ptr<parsing::tabling::ParsingTable::AttributeInfo> RepeatingParsingExecutor::GetContextColorAttribute(vint index)
			{
				return GetAttribute(index, L"ContextColor", 0);
			}

			Ptr<parsing::tabling::ParsingTable::AttributeInfo> RepeatingParsingExecutor::GetSemanticAttribute(vint index)
			{
				return GetAttribute(index, L"Semantic", -1);
			}

			Ptr<parsing::tabling::ParsingTable::AttributeInfo> RepeatingParsingExecutor::GetCandidateAttribute(vint index)
			{
				return GetAttribute(index, L"Candidate", 0);
			}

			Ptr<parsing::tabling::ParsingTable::AttributeInfo> RepeatingParsingExecutor::GetAutoCompleteAttribute(vint index)
			{
				return GetAttribute(index, L"AutoComplete", 0);
			}
		}
	}
}

/***********************************************************************
CONTROLS\TOOLSTRIPPACKAGE\GUIMENUCONTROLS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace compositions;

/***********************************************************************
IGuiMenuService
***********************************************************************/

			const wchar_t* const IGuiMenuService::Identifier = L"vl::presentation::controls::IGuiMenuService";

			IGuiMenuService::IGuiMenuService()
				:openingMenu(0)
			{
			}

			void IGuiMenuService::MenuItemExecuted()
			{
				if(openingMenu)
				{
					openingMenu->Hide();
				}
				if(GetParentMenuService())
				{
					GetParentMenuService()->MenuItemExecuted();
				}
			}

			GuiMenu* IGuiMenuService::GetOpeningMenu()
			{
				return openingMenu;
			}

			void IGuiMenuService::MenuOpened(GuiMenu* menu)
			{
				if(openingMenu!=menu && openingMenu)
				{
					openingMenu->Hide();
				}
				openingMenu=menu;
			}

			void IGuiMenuService::MenuClosed(GuiMenu* menu)
			{
				if(openingMenu==menu)
				{
					openingMenu=0;
				}
			}

/***********************************************************************
GuiMenu
***********************************************************************/

			IGuiMenuService* GuiMenu::GetParentMenuService()
			{
				return parentMenuService;
			}

			IGuiMenuService::Direction GuiMenu::GetPreferredDirection()
			{
				return IGuiMenuService::Vertical;
			}

			bool GuiMenu::IsActiveState()
			{
				return true;
			}

			bool GuiMenu::IsSubMenuActivatedByMouseDown()
			{
				return false;
			}

			void GuiMenu::MenuItemExecuted()
			{
				IGuiMenuService::MenuItemExecuted();
				Hide();
			}

			void GuiMenu::OnWindowOpened(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(parentMenuService)
				{
					parentMenuService->MenuOpened(this);
				}
			}

			void GuiMenu::OnDeactivatedAltHost()
			{
				Hide();
			}

			void GuiMenu::MouseClickedOnOtherWindow(GuiWindow* window)
			{
				GuiMenu* targetMenu=dynamic_cast<GuiMenu*>(window);
				if(!targetMenu)
				{
					Hide();
				}
			}

			void GuiMenu::OnWindowClosed(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(parentMenuService)
				{
					parentMenuService->MenuClosed(this);
					GuiMenu* openingSubMenu=GetOpeningMenu();
					if(openingSubMenu)
					{
						openingSubMenu->Hide();
					}
				}
			}

			GuiMenu::GuiMenu(IStyleController* _styleController, GuiControl* _owner)
				:GuiPopup(_styleController)
				,owner(_owner)
				,parentMenuService(0)
			{
				GetNativeWindow()->SetAlwaysPassFocusToParent(true);
				UpdateMenuService();
				WindowOpened.AttachMethod(this, &GuiMenu::OnWindowOpened);
				WindowClosed.AttachMethod(this, &GuiMenu::OnWindowClosed);
			}

			GuiMenu::~GuiMenu()
			{
			}

			void GuiMenu::UpdateMenuService()
			{
				if(owner)
				{
					parentMenuService=owner->QueryTypedService<IGuiMenuService>();
				}
			}

			IDescriptable* GuiMenu::QueryService(const WString& identifier)
			{
				if(identifier==IGuiMenuService::Identifier)
				{
					return (IGuiMenuService*)this;
				}
				else
				{
					return GuiPopup::QueryService(identifier);
				}
			}

/***********************************************************************
GuiMenuBar
***********************************************************************/

			IGuiMenuService* GuiMenuBar::GetParentMenuService()
			{
				return 0;
			}

			IGuiMenuService::Direction GuiMenuBar::GetPreferredDirection()
			{
				return IGuiMenuService::Horizontal;
			}

			bool GuiMenuBar::IsActiveState()
			{
				return GetOpeningMenu()!=0;
			}

			bool GuiMenuBar::IsSubMenuActivatedByMouseDown()
			{
				return true;
			}

			GuiMenuBar::GuiMenuBar(GuiControl::IStyleController* _styleController)
				:GuiControl(_styleController)
			{
			}

			GuiMenuBar::~GuiMenuBar()
			{
			}

			IDescriptable* GuiMenuBar::QueryService(const WString& identifier)
			{
				if(identifier==IGuiMenuService::Identifier)
				{
					return (IGuiMenuService*)this;
				}
				else
				{
					return GuiControl::QueryService(identifier);
				}
			}

/***********************************************************************
GuiMenuButton
***********************************************************************/

			GuiButton* GuiMenuButton::GetSubMenuHost()
			{
				GuiButton* button=styleController->GetSubMenuHost();
				return button?button:this;
			}

			void GuiMenuButton::OpenSubMenuInternal()
			{
				if(!GetSubMenuOpening())
				{
					if(ownerMenuService)
					{
						GuiMenu* openingSiblingMenu=ownerMenuService->GetOpeningMenu();
						if(openingSiblingMenu)
						{
							openingSiblingMenu->Hide();
						}
					}
					SetSubMenuOpening(true);
				}
			}

			void GuiMenuButton::OnParentLineChanged()
			{
				GuiButton::OnParentLineChanged();
				ownerMenuService=QueryTypedService<IGuiMenuService>();
				if(ownerMenuService)
				{
					SetClickOnMouseUp(!ownerMenuService->IsSubMenuActivatedByMouseDown());
				}
				if(subMenu)
				{
					subMenu->UpdateMenuService();
				}
			}

			bool GuiMenuButton::IsAltAvailable()
			{
				return true;
			}

			compositions::IGuiAltActionHost* GuiMenuButton::GetActivatingAltHost()
			{
				if (subMenu)
				{
					return subMenu->QueryTypedService<IGuiAltActionHost>();
				}
				return 0;
			}

			void GuiMenuButton::OnSubMenuWindowOpened(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				SubMenuOpeningChanged.Execute(GetNotifyEventArguments());
				styleController->SetSubMenuOpening(true);
			}

			void GuiMenuButton::OnSubMenuWindowClosed(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				SubMenuOpeningChanged.Execute(GetNotifyEventArguments());
				styleController->SetSubMenuOpening(false);
			}

			void GuiMenuButton::OnMouseEnter(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(GetVisuallyEnabled())
				{
					if(cascadeAction && ownerMenuService && ownerMenuService->IsActiveState())
					{
						OpenSubMenuInternal();
					}
				}
			}

			void GuiMenuButton::OnClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(GetVisuallyEnabled())
				{
					if(GetSubMenu())
					{
						OpenSubMenuInternal();
					}
					else if(ownerMenuService)
					{
						ownerMenuService->MenuItemExecuted();
					}
				}
			}

			IGuiMenuService::Direction GuiMenuButton::GetSubMenuDirection()
			{
				return ownerMenuService?ownerMenuService->GetPreferredDirection():IGuiMenuService::Horizontal;
			}

			GuiMenuButton::GuiMenuButton(IStyleController* _styleController)
				:GuiSelectableButton(_styleController)
				,styleController(_styleController)
				,subMenu(0)
				,ownedSubMenu(false)
				,ownerMenuService(0)
				,cascadeAction(true)
			{
				SetAutoSelection(false);
				SubMenuOpeningChanged.SetAssociatedComposition(boundsComposition);
				ImageChanged.SetAssociatedComposition(boundsComposition);
				ShortcutTextChanged.SetAssociatedComposition(boundsComposition);
				GetSubMenuHost()->Clicked.AttachMethod(this, &GuiMenuButton::OnClicked);
				GetSubMenuHost()->GetEventReceiver()->mouseEnter.AttachMethod(this, &GuiMenuButton::OnMouseEnter);
			}

			GuiMenuButton::~GuiMenuButton()
			{
				if(subMenu && ownedSubMenu)
				{
					delete subMenu;
				}
			}

			Ptr<GuiImageData> GuiMenuButton::GetImage()
			{
				return image;
			}

			void GuiMenuButton::SetImage(Ptr<GuiImageData> value)
			{
				if(image!=value)
				{
					image=value;
					styleController->SetImage(image);
					ImageChanged.Execute(GetNotifyEventArguments());
				}
			}

			const WString& GuiMenuButton::GetShortcutText()
			{
				return shortcutText;
			}

			void GuiMenuButton::SetShortcutText(const WString& value)
			{
				if(shortcutText!=value)
				{
					shortcutText=value;
					styleController->SetShortcutText(shortcutText);
					ShortcutTextChanged.Execute(GetNotifyEventArguments());
				}
			}

			bool GuiMenuButton::IsSubMenuExists()
			{
				return subMenu!=0;
			}

			GuiMenu* GuiMenuButton::GetSubMenu()
			{
				return subMenu;
			}

			GuiMenu* GuiMenuButton::CreateSubMenu(GuiMenu::IStyleController* subMenuStyleController)
			{
				if(!subMenu)
				{
					GuiMenu* newSubMenu=new GuiMenu(subMenuStyleController?subMenuStyleController:styleController->CreateSubMenuStyleController(), this);
					SetSubMenu(newSubMenu, true);
				}
				return subMenu;
			}

			void GuiMenuButton::SetSubMenu(GuiMenu* value, bool owned)
			{
				if(subMenu)
				{
					if(ownedSubMenu)
					{
						delete subMenu;
					}
				}
				subMenu=value;
				ownedSubMenu=owned;
				if(subMenu)
				{
					subMenu->WindowOpened.AttachMethod(this, &GuiMenuButton::OnSubMenuWindowOpened);
					subMenu->WindowClosed.AttachMethod(this, &GuiMenuButton::OnSubMenuWindowClosed);
				}
				styleController->SetSubMenuExisting(subMenu!=0);
			}

			void GuiMenuButton::DestroySubMenu()
			{
				if(subMenu)
				{
					if(ownedSubMenu)
					{
						delete subMenu;
					}
					subMenu=0;
					ownedSubMenu=false;
					styleController->SetSubMenuExisting(false);
				}
			}

			bool GuiMenuButton::GetOwnedSubMenu()
			{
				return subMenu && ownedSubMenu;
			}

			bool GuiMenuButton::GetSubMenuOpening()
			{
				if(subMenu)
				{
					return subMenu->GetOpening();
				}
				else
				{
					return false;
				}
			}

			void GuiMenuButton::SetSubMenuOpening(bool value)
			{
				if(subMenu)
				{
					if(value)
					{
						subMenu->SetClientSize(preferredMenuClientSize);
						IGuiMenuService::Direction direction=GetSubMenuDirection();
						subMenu->ShowPopup(GetSubMenuHost(), direction==IGuiMenuService::Horizontal);
					}
					else
					{
						subMenu->Close();
					}
				}
			}

			Size GuiMenuButton::GetPreferredMenuClientSize()
			{
				return preferredMenuClientSize;
			}

			void GuiMenuButton::SetPreferredMenuClientSize(Size value)
			{
				preferredMenuClientSize=value;
			}

			bool GuiMenuButton::GetCascadeAction()
			{
				return cascadeAction;
			}

			void GuiMenuButton::SetCascadeAction(bool value)
			{
				cascadeAction=value;
			}
		}
	}
}

/***********************************************************************
CONTROLS\TOOLSTRIPPACKAGE\GUITOOLSTRIPCOMMAND.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace collections;
			using namespace compositions;
			using namespace regex;

/***********************************************************************
GuiToolstripCommand
***********************************************************************/

			void GuiToolstripCommand::OnShortcutKeyItemExecuted(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				Executed.ExecuteWithNewSender(arguments, sender);
			}

			void GuiToolstripCommand::InvokeDescriptionChanged()
			{
				GuiEventArgs arguments;
				DescriptionChanged.Execute(arguments);
			}

			void GuiToolstripCommand::ReplaceShortcut(compositions::IGuiShortcutKeyItem* value, Ptr<ShortcutBuilder> builder)
			{
				if(shortcutKeyItem!=value)
				{
					if(shortcutKeyItem)
					{
						shortcutKeyItem->Executed.Detach(shortcutKeyItemExecutedHandler);
						if (shortcutBuilder)
						{
							auto manager = dynamic_cast<GuiShortcutKeyManager*>(shortcutOwner->GetShortcutKeyManager());
							if (manager)
							{
								manager->DestroyShortcut(shortcutBuilder->ctrl, shortcutBuilder->shift, shortcutBuilder->alt, shortcutBuilder->key);
							}
						}
					}
					shortcutKeyItem=0;
					shortcutKeyItemExecutedHandler=0;
					shortcutBuilder = value ? builder : nullptr;
					if(value)
					{
						shortcutKeyItem=value;
						shortcutKeyItemExecutedHandler=shortcutKeyItem->Executed.AttachMethod(this, &GuiToolstripCommand::OnShortcutKeyItemExecuted);
					}
					InvokeDescriptionChanged();
				}
			}

			void GuiToolstripCommand::BuildShortcut(const WString& builderText)
			{
				List<WString> errors;
				if (auto parser = GetParserManager()->GetParser<ShortcutBuilder>(L"SHORTCUT"))
				if (Ptr<ShortcutBuilder> builder = parser->TypedParse(builderText, errors))
				{
					if (shortcutOwner)
					{
						if (!shortcutOwner->GetShortcutKeyManager())
						{
							shortcutOwner->SetShortcutKeyManager(new GuiShortcutKeyManager);
						}
						if (auto manager = dynamic_cast<GuiShortcutKeyManager*>(shortcutOwner->GetShortcutKeyManager()))
						{
							IGuiShortcutKeyItem* item = manager->TryGetShortcut(builder->ctrl, builder->shift, builder->alt, builder->key);
							if (!item)
							{
								item = manager->CreateShortcut(builder->ctrl, builder->shift, builder->alt, builder->key);
								if (item)
								{
									ReplaceShortcut(item, builder);
								}
							}
						}
					}
					else
					{
						shortcutBuilder = builder;
					}
				}
			}

			GuiToolstripCommand::GuiToolstripCommand()
				:shortcutKeyItem(0)
				,enabled(true)
				,selected(false)
				,shortcutOwner(0)
			{
			}

			GuiToolstripCommand::~GuiToolstripCommand()
			{
			}

			void GuiToolstripCommand::Attach(GuiInstanceRootObject* rootObject)
			{
				shortcutOwner = dynamic_cast<GuiControlHost*>(rootObject);
				if (shortcutBuilder && !shortcutKeyItem)
				{
					BuildShortcut(shortcutBuilder->text);
				}
			}

			void GuiToolstripCommand::Detach(GuiInstanceRootObject* rootObject)
			{
				ReplaceShortcut(0, nullptr);
				shortcutOwner = 0;
			}

			Ptr<GuiImageData> GuiToolstripCommand::GetImage()
			{
				return image;
			}

			void GuiToolstripCommand::SetImage(Ptr<GuiImageData> value)
			{
				if(image!=value)
				{
					image=value;
					InvokeDescriptionChanged();
				}
			}

			const WString& GuiToolstripCommand::GetText()
			{
				return text;
			}

			void GuiToolstripCommand::SetText(const WString& value)
			{
				if(text!=value)
				{
					text=value;
					InvokeDescriptionChanged();
				}
			}

			compositions::IGuiShortcutKeyItem* GuiToolstripCommand::GetShortcut()
			{
				return shortcutKeyItem;
			}

			void GuiToolstripCommand::SetShortcut(compositions::IGuiShortcutKeyItem* value)
			{
				ReplaceShortcut(value, 0);
			}

			WString GuiToolstripCommand::GetShortcutBuilder()
			{
				return shortcutBuilder ? shortcutBuilder->text : L"";
			}

			void GuiToolstripCommand::SetShortcutBuilder(const WString& value)
			{
				BuildShortcut(value);
			}

			bool GuiToolstripCommand::GetEnabled()
			{
				return enabled;
			}

			void GuiToolstripCommand::SetEnabled(bool value)
			{
				if(enabled!=value)
				{
					enabled=value;
					InvokeDescriptionChanged();
				}
			}

			bool GuiToolstripCommand::GetSelected()
			{
				return selected;
			}

			void GuiToolstripCommand::SetSelected(bool value)
			{
				if(selected!=value)
				{
					selected=value;
					InvokeDescriptionChanged();
				}
			}

/***********************************************************************
GuiToolstripCommand::ShortcutBuilder Parser
***********************************************************************/

			class GuiToolstripCommandShortcutParser : public Object, public IGuiParser<GuiToolstripCommand::ShortcutBuilder>
			{
				typedef GuiToolstripCommand::ShortcutBuilder			ShortcutBuilder;
			public:
				Regex						regexShortcut;

				GuiToolstripCommandShortcutParser()
					:regexShortcut(L"((<ctrl>Ctrl)/+|(<shift>Shift)/+|(<alt>Alt)/+)*(<key>/.+)")
				{
				}

				Ptr<ShortcutBuilder> TypedParse(const WString& text, collections::List<WString>& errors)override
				{
					Ptr<RegexMatch> match=regexShortcut.MatchHead(text);
					if (match && match->Result().Length() != text.Length())
					{
						errors.Add(L"Failed to parse a shortcut \"" + text + L"\".");
						return 0;
					}

					Ptr<ShortcutBuilder> builder = new ShortcutBuilder;
					builder->text = text;
					builder->ctrl = match->Groups().Contains(L"ctrl");
					builder->shift = match->Groups().Contains(L"shift");
					builder->alt = match->Groups().Contains(L"alt");

					WString name = match->Groups()[L"key"][0].Value();
					builder->key = GetCurrentController()->InputService()->GetKey(name);

					return builder->key == -1 ? nullptr : builder;
				}
			};

/***********************************************************************
GuiToolstripCommandPlugin
***********************************************************************/

			class GuiToolstripCommandPlugin : public Object, public IGuiPlugin
			{
			public:
				GuiToolstripCommandPlugin()
				{
				}

				void Load()override
				{
				}
				
				void AfterLoad()override
				{
					IGuiParserManager* manager=GetParserManager();
					manager->SetParser(L"SHORTCUT", new GuiToolstripCommandShortcutParser);
				}

				void Unload()override
				{
				}
			};
			GUI_REGISTER_PLUGIN(GuiToolstripCommandPlugin)
		}
	}
}

/***********************************************************************
CONTROLS\TOOLSTRIPPACKAGE\GUITOOLSTRIPMENU.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace controls
		{
			using namespace collections;
			using namespace compositions;

/***********************************************************************
GuiToolstripCollection
***********************************************************************/

			void GuiToolstripCollection::InvokeUpdateLayout()
			{
				if(contentCallback)
				{
					contentCallback->UpdateLayout();
				}
			}

			void GuiToolstripCollection::OnInterestingMenuButtonPropertyChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				InvokeUpdateLayout();
			}

			bool GuiToolstripCollection::QueryInsert(vint index, GuiControl* const& child)
			{
				return true;
			}

			bool GuiToolstripCollection::QueryRemove(vint index, GuiControl* const& child)
			{
				return true;
			}

			void GuiToolstripCollection::BeforeInsert(vint index, GuiControl* const& child)
			{
			}

			void GuiToolstripCollection::BeforeRemove(vint index, GuiControl* const& child)
			{
				GuiStackItemComposition* stackItem = stackComposition->GetStackItems().Get(index);
				stackComposition->RemoveChild(stackItem);
				stackItem->RemoveChild(child->GetBoundsComposition());
				delete stackItem;
				delete child;
				InvokeUpdateLayout();
			}

			void GuiToolstripCollection::AfterInsert(vint index, GuiControl* const& child)
			{
				GuiStackItemComposition* stackItem=new GuiStackItemComposition;
				child->GetBoundsComposition()->SetAlignmentToParent(Margin(0, 0, 0, 0));
				stackItem->AddChild(child->GetBoundsComposition());
				stackComposition->InsertChild(index, stackItem);

				GuiMenuButton* menuButton=dynamic_cast<GuiMenuButton*>(child);
				if(menuButton)
				{
					menuButton->TextChanged.AttachMethod(this, &GuiToolstripCollection::OnInterestingMenuButtonPropertyChanged);
					menuButton->ShortcutTextChanged.AttachMethod(this, &GuiToolstripCollection::OnInterestingMenuButtonPropertyChanged);
				}
				InvokeUpdateLayout();
			}

			void GuiToolstripCollection::AfterRemove(vint index, vint count)
			{
				InvokeUpdateLayout();
			}

			GuiToolstripCollection::GuiToolstripCollection(IContentCallback* _contentCallback, compositions::GuiStackComposition* _stackComposition)
				:contentCallback(_contentCallback)
				,stackComposition(_stackComposition)
			{
			}

			GuiToolstripCollection::~GuiToolstripCollection()
			{
			}

/***********************************************************************
GuiToolstripBuilder
***********************************************************************/

			GuiToolstripBuilder::GuiToolstripBuilder(Environment _environment, GuiToolstripCollection* _toolstripItems)
				:environment(_environment)
				,toolstripItems(_toolstripItems)
				,previousBuilder(0)
				,theme(0)
				,lastCreatedButton(0)
			{
			}

			GuiToolstripBuilder::~GuiToolstripBuilder()
			{
			}

			GuiToolstripBuilder* GuiToolstripBuilder::Button(Ptr<GuiImageData> image, const WString& text, GuiToolstripButton** result)
			{
				lastCreatedButton=0;
				switch(environment)
				{
				case Menu:
					lastCreatedButton=new GuiToolstripButton(theme->CreateMenuItemButtonStyle());
					break;
				case MenuBar:
					lastCreatedButton=new GuiToolstripButton(theme->CreateMenuBarButtonStyle());
					break;
				case ToolBar:
					lastCreatedButton=new GuiToolstripButton(theme->CreateToolBarButtonStyle());
					break;
				}
				if(lastCreatedButton)
				{
					lastCreatedButton->SetImage(image);
					lastCreatedButton->SetText(text);
					if(result)
					{
						*result=lastCreatedButton;
					}
					toolstripItems->Add(lastCreatedButton);
				}
				return this;
			}

			GuiToolstripBuilder* GuiToolstripBuilder::Button(GuiToolstripCommand* command, GuiToolstripButton** result)
			{
				lastCreatedButton=0;
				switch(environment)
				{
				case Menu:
					lastCreatedButton=new GuiToolstripButton(theme->CreateMenuItemButtonStyle());
					break;
				case MenuBar:
					lastCreatedButton=new GuiToolstripButton(theme->CreateMenuBarButtonStyle());
					break;
				case ToolBar:
					lastCreatedButton=new GuiToolstripButton(theme->CreateToolBarButtonStyle());
					break;
				}
				if(lastCreatedButton)
				{
					lastCreatedButton->SetCommand(command);
					if(result)
					{
						*result=lastCreatedButton;
					}
					toolstripItems->Add(lastCreatedButton);
				}
				return this;
			}

			GuiToolstripBuilder* GuiToolstripBuilder::DropdownButton(Ptr<GuiImageData> image, const WString& text, GuiToolstripButton** result)
			{
				lastCreatedButton=0;
				switch(environment)
				{
				case ToolBar:
					lastCreatedButton=new GuiToolstripButton(theme->CreateToolBarDropdownButtonStyle());
					break;
				default:;
				}
				if(lastCreatedButton)
				{
					lastCreatedButton->SetImage(image);
					lastCreatedButton->SetText(text);
					if(result)
					{
						*result=lastCreatedButton;
					}
					toolstripItems->Add(lastCreatedButton);
				}
				return this;
			}

			GuiToolstripBuilder* GuiToolstripBuilder::DropdownButton(GuiToolstripCommand* command, GuiToolstripButton** result)
			{
				lastCreatedButton=0;
				switch(environment)
				{
				case ToolBar:
					lastCreatedButton=new GuiToolstripButton(theme->CreateToolBarDropdownButtonStyle());
					break;
				default:;
				}
				if(lastCreatedButton)
				{
					lastCreatedButton->SetCommand(command);
					if(result)
					{
						*result=lastCreatedButton;
					}
					toolstripItems->Add(lastCreatedButton);
				}
				return this;
			}

			GuiToolstripBuilder* GuiToolstripBuilder::SplitButton(Ptr<GuiImageData> image, const WString& text, GuiToolstripButton** result)
			{
				lastCreatedButton=0;
				switch(environment)
				{
				case ToolBar:
					lastCreatedButton=new GuiToolstripButton(theme->CreateToolBarSplitButtonStyle());
					break;
				default:;
				}
				if(lastCreatedButton)
				{
					lastCreatedButton->SetImage(image);
					lastCreatedButton->SetText(text);
					if(result)
					{
						*result=lastCreatedButton;
					}
					toolstripItems->Add(lastCreatedButton);
				}
				return this;
			}

			GuiToolstripBuilder* GuiToolstripBuilder::SplitButton(GuiToolstripCommand* command, GuiToolstripButton** result)
			{
				lastCreatedButton=0;
				switch(environment)
				{
				case ToolBar:
					lastCreatedButton=new GuiToolstripButton(theme->CreateToolBarSplitButtonStyle());
					break;
				default:;
				}
				if(lastCreatedButton)
				{
					lastCreatedButton->SetCommand(command);
					if(result)
					{
						*result=lastCreatedButton;
					}
					toolstripItems->Add(lastCreatedButton);
				}
				return this;
			}

			GuiToolstripBuilder* GuiToolstripBuilder::Splitter()
			{
				lastCreatedButton=0;
				switch(environment)
				{
				case Menu:
					toolstripItems->Add(new GuiControl(theme->CreateMenuSplitterStyle()));
					break;
				case ToolBar:
					toolstripItems->Add(new GuiControl(theme->CreateToolBarSplitterStyle()));
					break;
				default:;
				}
				return this;
			}

			GuiToolstripBuilder* GuiToolstripBuilder::Control(GuiControl* control)
			{
				toolstripItems->Add(control);
				return this;
			}

			GuiToolstripBuilder* GuiToolstripBuilder::BeginSubMenu()
			{
				if(lastCreatedButton)
				{
					lastCreatedButton->CreateToolstripSubMenu();
					GuiToolstripMenu* menu=lastCreatedButton->GetToolstripSubMenu();
					if(menu)
					{
						menu->GetBuilder()->previousBuilder=this;
						return menu->GetBuilder();
					}
				}
				return 0;
			}

			GuiToolstripBuilder* GuiToolstripBuilder::EndSubMenu()
			{
				return previousBuilder;
			}

/***********************************************************************
GuiToolstripMenu
***********************************************************************/

			void GuiToolstripMenu::UpdateLayout()
			{
				sharedSizeRootComposition->ForceCalculateSizeImmediately();
			}

			GuiToolstripMenu::GuiToolstripMenu(IStyleController* _styleController, GuiControl* _owner)
				:GuiMenu(_styleController, _owner)
			{
				sharedSizeRootComposition = new GuiSharedSizeRootComposition();
				sharedSizeRootComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				sharedSizeRootComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				GetContainerComposition()->AddChild(sharedSizeRootComposition);

				stackComposition=new GuiStackComposition;
				stackComposition->SetDirection(GuiStackComposition::Vertical);
				stackComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				stackComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				sharedSizeRootComposition->AddChild(stackComposition);
				
				toolstripItems = new GuiToolstripCollection(this, stackComposition);
				builder = new GuiToolstripBuilder(GuiToolstripBuilder::Menu, toolstripItems.Obj());
			}

			GuiToolstripMenu::~GuiToolstripMenu()
			{
			}

			GuiToolstripCollection& GuiToolstripMenu::GetToolstripItems()
			{
				return *toolstripItems.Obj();
			}

			GuiToolstripBuilder* GuiToolstripMenu::GetBuilder(theme::ITheme* themeObject)
			{
				builder->theme=themeObject?themeObject:theme::GetCurrentTheme();
				return builder.Obj();
			}

/***********************************************************************
GuiToolstripMenuBar
***********************************************************************/
			
			GuiToolstripMenuBar::GuiToolstripMenuBar(IStyleController* _styleController)
				:GuiMenuBar(_styleController)
			{
				stackComposition=new GuiStackComposition;
				stackComposition->SetDirection(GuiStackComposition::Horizontal);
				stackComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				stackComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				GetContainerComposition()->AddChild(stackComposition);

				toolstripItems=new GuiToolstripCollection(0, stackComposition);
				builder=new GuiToolstripBuilder(GuiToolstripBuilder::MenuBar, toolstripItems.Obj());
			}

			GuiToolstripMenuBar::~GuiToolstripMenuBar()
			{
			}

			GuiToolstripCollection& GuiToolstripMenuBar::GetToolstripItems()
			{
				return *toolstripItems.Obj();
			}

			GuiToolstripBuilder* GuiToolstripMenuBar::GetBuilder(theme::ITheme* themeObject)
			{
				builder->theme=themeObject?themeObject:theme::GetCurrentTheme();
				return builder.Obj();
			}

/***********************************************************************
GuiToolstripToolBar
***********************************************************************/
				
			GuiToolstripToolBar::GuiToolstripToolBar(IStyleController* _styleController)
				:GuiControl(_styleController)
			{
				stackComposition=new GuiStackComposition;
				stackComposition->SetDirection(GuiStackComposition::Horizontal);
				stackComposition->SetAlignmentToParent(Margin(0, 0, 0, 0));
				stackComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
				GetContainerComposition()->AddChild(stackComposition);

				toolstripItems=new GuiToolstripCollection(0, stackComposition);
				builder=new GuiToolstripBuilder(GuiToolstripBuilder::ToolBar, toolstripItems.Obj());
			}

			GuiToolstripToolBar::~GuiToolstripToolBar()
			{
			}

			GuiToolstripCollection& GuiToolstripToolBar::GetToolstripItems()
			{
				return *toolstripItems.Obj();
			}

			GuiToolstripBuilder* GuiToolstripToolBar::GetBuilder(theme::ITheme* themeObject)
			{
				builder->theme=themeObject?themeObject:theme::GetCurrentTheme();
				return builder.Obj();
			}

/***********************************************************************
GuiToolstripButton
***********************************************************************/

			void GuiToolstripButton::UpdateCommandContent()
			{
				if(command)
				{
					SetImage(command->GetImage());
					SetText(command->GetText());
					SetEnabled(command->GetEnabled());
					SetSelected(command->GetSelected());
					if(command->GetShortcut())
					{
						SetShortcutText(command->GetShortcut()->GetName());
					}
					else
					{
						SetShortcutText(L"");
					}
				}
				else
				{
					SetImage(0);
					SetText(L"");
					SetEnabled(true);
					SetSelected(false);
					SetShortcutText(L"");
				}
			}

			void GuiToolstripButton::OnClicked(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				if(command)
				{
					command->Executed.ExecuteWithNewSender(arguments, sender);
				}
			}

			void GuiToolstripButton::OnCommandDescriptionChanged(compositions::GuiGraphicsComposition* sender, compositions::GuiEventArgs& arguments)
			{
				UpdateCommandContent();
			}

			GuiToolstripButton::GuiToolstripButton(IStyleController* _styleController)
				:GuiMenuButton(_styleController)
				,command(0)
			{
				Clicked.AttachMethod(this, &GuiToolstripButton::OnClicked);
			}

			GuiToolstripButton::~GuiToolstripButton()
			{
			}

			GuiToolstripCommand* GuiToolstripButton::GetCommand()
			{
				return command;
			}

			void GuiToolstripButton::SetCommand(GuiToolstripCommand* value)
			{
				if(command!=value)
				{
					if(command)
					{
						command->DescriptionChanged.Detach(descriptionChangedHandler);
					}
					command=0;
					descriptionChangedHandler=0;
					if(value)
					{
						command=value;
						descriptionChangedHandler=command->DescriptionChanged.AttachMethod(this, &GuiToolstripButton::OnCommandDescriptionChanged);
					}
					UpdateCommandContent();
				}
			}

			GuiToolstripMenu* GuiToolstripButton::GetToolstripSubMenu()
			{
				return dynamic_cast<GuiToolstripMenu*>(GetSubMenu());
			}

			GuiToolstripMenu* GuiToolstripButton::EnsureToolstripSubMenu()
			{
				if (!GetSubMenu())
				{
					CreateToolstripSubMenu();
				}
				return dynamic_cast<GuiToolstripMenu*>(GetSubMenu());
			}

			void GuiToolstripButton::CreateToolstripSubMenu(GuiToolstripMenu::IStyleController* subMenuStyleController)
			{
				if(!subMenu)
				{
					GuiToolstripMenu* newSubMenu=new GuiToolstripMenu(subMenuStyleController?subMenuStyleController:styleController->CreateSubMenuStyleController(), this);
					SetSubMenu(newSubMenu, true);
				}
			}
		}
	}
}

/***********************************************************************
GRAPHICSCOMPOSITION\GUIGRAPHICSAXIS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace compositions
		{

/***********************************************************************
GuiDefaultAxis
***********************************************************************/

			GuiDefaultAxis::GuiDefaultAxis()
			{
			}

			GuiDefaultAxis::~GuiDefaultAxis()
			{
			}

			Size GuiDefaultAxis::RealSizeToVirtualSize(Size size)
			{
				return size;
			}

			Size GuiDefaultAxis::VirtualSizeToRealSize(Size size)
			{
				return size;
			}

			Point GuiDefaultAxis::RealPointToVirtualPoint(Size realFullSize, Point point)
			{
				return point;
			}

			Point GuiDefaultAxis::VirtualPointToRealPoint(Size realFullSize, Point point)
			{
				return point;
			}

			Rect GuiDefaultAxis::RealRectToVirtualRect(Size realFullSize, Rect rect)
			{
				return rect;
			}

			Rect GuiDefaultAxis::VirtualRectToRealRect(Size realFullSize, Rect rect)
			{
				return rect;
			}

			Margin GuiDefaultAxis::RealMarginToVirtualMargin(Margin margin)
			{
				return margin;
			}

			Margin GuiDefaultAxis::VirtualMarginToRealMargin(Margin margin)
			{
				return margin;
			}

			KeyDirection GuiDefaultAxis::RealKeyDirectionToVirtualKeyDirection(KeyDirection key)
			{
				return key;
			}

/***********************************************************************
GuiAxis
***********************************************************************/

			GuiAxis::GuiAxis(AxisDirection _axisDirection)
				:axisDirection(_axisDirection)
			{
			}

			GuiAxis::~GuiAxis()
			{
			}

			AxisDirection GuiAxis::GetDirection()
			{
				return axisDirection;
			}

			Size GuiAxis::RealSizeToVirtualSize(Size size)
			{
				switch(axisDirection)
				{
				case AxisDirection::LeftDown:
				case AxisDirection::RightDown:
				case AxisDirection::LeftUp:
				case AxisDirection::RightUp:
					return Size(size.x, size.y);
				case AxisDirection::DownLeft:
				case AxisDirection::DownRight:
				case AxisDirection::UpLeft:
				case AxisDirection::UpRight:
					return Size(size.y, size.x);
				}
				return size;
			}

			Size GuiAxis::VirtualSizeToRealSize(Size size)
			{
				return RealSizeToVirtualSize(size);
			}

			Point GuiAxis::RealPointToVirtualPoint(Size realFullSize, Point point)
			{
				Rect rect(point, Size(0, 0));
				return RealRectToVirtualRect(realFullSize, rect).LeftTop();
			}

			Point GuiAxis::VirtualPointToRealPoint(Size realFullSize, Point point)
			{
				Rect rect(point, Size(0, 0));
				return VirtualRectToRealRect(realFullSize, rect).LeftTop();
			}

			Rect GuiAxis::RealRectToVirtualRect(Size realFullSize, Rect rect)
			{
				vint x1=rect.x1;
				vint x2=realFullSize.x-rect.x2;
				vint y1=rect.y1;
				vint y2=realFullSize.y-rect.y2;
				vint w=rect.Width();
				vint h=rect.Height();
				switch(axisDirection)
				{
				case AxisDirection::LeftDown:
					return Rect(Point(x2, y1), Size(w, h));
				case AxisDirection::RightDown:
					return Rect(Point(x1, y1), Size(w, h));
				case AxisDirection::LeftUp:
					return Rect(Point(x2, y2), Size(w, h));
				case AxisDirection::RightUp:
					return Rect(Point(x1, y2), Size(w, h));
				case AxisDirection::DownLeft:
					return Rect(Point(y1, x2), Size(h, w));
				case AxisDirection::DownRight:
					return Rect(Point(y1, x1), Size(h, w));
				case AxisDirection::UpLeft:
					return Rect(Point(y2, x2), Size(h, w));
				case AxisDirection::UpRight:
					return Rect(Point(y2, x1), Size(h, w));
				}
				return rect;
			}

			Rect GuiAxis::VirtualRectToRealRect(Size realFullSize, Rect rect)
			{
				realFullSize=RealSizeToVirtualSize(realFullSize);
				vint x1=rect.x1;
				vint x2=realFullSize.x-rect.x2;
				vint y1=rect.y1;
				vint y2=realFullSize.y-rect.y2;
				vint w=rect.Width();
				vint h=rect.Height();
				switch(axisDirection)
				{
				case AxisDirection::LeftDown:
					return Rect(Point(x2, y1), Size(w, h));
				case AxisDirection::RightDown:
					return Rect(Point(x1, y1), Size(w, h));
				case AxisDirection::LeftUp:
					return Rect(Point(x2, y2), Size(w, h));
				case AxisDirection::RightUp:
					return Rect(Point(x1, y2), Size(w, h));
				case AxisDirection::DownLeft:
					return Rect(Point(y2, x1), Size(h, w));
				case AxisDirection::DownRight:
					return Rect(Point(y1, x1), Size(h, w));
				case AxisDirection::UpLeft:
					return Rect(Point(y2, x2), Size(h, w));
				case AxisDirection::UpRight:
					return Rect(Point(y1, x2), Size(h, w));
				}
				return rect;
			}

			Margin GuiAxis::RealMarginToVirtualMargin(Margin margin)
			{
				vint x1=margin.left;
				vint x2=margin.right;
				vint y1=margin.top;
				vint y2=margin.bottom;
				switch(axisDirection)
				{
				case AxisDirection::LeftDown:
					return Margin(x2, y1, x1, y2);
				case AxisDirection::RightDown:
					return Margin(x1, y1, x2, y2);
				case AxisDirection::LeftUp:
					return Margin(x2, y2, x1, y1);
				case AxisDirection::RightUp:
					return Margin(x1, y2, x2, y1);
				case AxisDirection::DownLeft:
					return Margin(y1, x2, y2, x1);
				case AxisDirection::DownRight:
					return Margin(y1, x1, y2, x2);
				case AxisDirection::UpLeft:
					return Margin(y2, x2, y1, x1);
				case AxisDirection::UpRight:
					return Margin(y2, x1, y1, x2);
				}
				return margin;
			}

			Margin GuiAxis::VirtualMarginToRealMargin(Margin margin)
			{
				vint x1=margin.left;
				vint x2=margin.right;
				vint y1=margin.top;
				vint y2=margin.bottom;
				switch(axisDirection)
				{
				case AxisDirection::LeftDown:
					return Margin(x2, y1, x1, y2);
				case AxisDirection::RightDown:
					return Margin(x1, y1, x2, y2);
				case AxisDirection::LeftUp:
					return Margin(x2, y2, x1, y1);
				case AxisDirection::RightUp:
					return Margin(x1, y2, x2, y1);
				case AxisDirection::DownLeft:
					return Margin(y2, x1, y1, x2);
				case AxisDirection::DownRight:
					return Margin(y1, x1, y2, x2);
				case AxisDirection::UpLeft:
					return Margin(y2, x2, y1, x1);
				case AxisDirection::UpRight:
					return Margin(y1, x2, y2, x1);
				default:;
				}
				return margin;
			}

			KeyDirection GuiAxis::RealKeyDirectionToVirtualKeyDirection(KeyDirection key)
			{
				bool pageKey=false;
				switch(key)
				{
				case KeyDirection::PageUp:
					pageKey=true;
					key=KeyDirection::Up;
					break;
				case KeyDirection::PageDown:
					pageKey=true;
					key=KeyDirection::Down;
					break;
				case KeyDirection::PageLeft:
					pageKey=true;
					key=KeyDirection::Left;
					break;
				case KeyDirection::PageRight:
					pageKey=true;
					key=KeyDirection::Right;
					break;
				default:;
				}

				switch(key)
				{
				case KeyDirection::Up:
					switch(axisDirection)
					{
					case AxisDirection::LeftDown:	key=KeyDirection::Up;		break;
					case AxisDirection::RightDown:	key=KeyDirection::Up;		break;
					case AxisDirection::LeftUp:		key=KeyDirection::Down;	break;
					case AxisDirection::RightUp:	key=KeyDirection::Down;	break;
					case AxisDirection::DownLeft:	key=KeyDirection::Left;	break;
					case AxisDirection::DownRight:	key=KeyDirection::Left;	break;
					case AxisDirection::UpLeft:		key=KeyDirection::Right;	break;
					case AxisDirection::UpRight:	key=KeyDirection::Right;	break;
					}
					break;
				case KeyDirection::Down:
					switch(axisDirection)
					{
					case AxisDirection::LeftDown:	key=KeyDirection::Down;	break;
					case AxisDirection::RightDown:	key=KeyDirection::Down;	break;
					case AxisDirection::LeftUp:		key=KeyDirection::Up;		break;
					case AxisDirection::RightUp:	key=KeyDirection::Up;		break;
					case AxisDirection::DownLeft:	key=KeyDirection::Right;	break;
					case AxisDirection::DownRight:	key=KeyDirection::Right;	break;
					case AxisDirection::UpLeft:		key=KeyDirection::Left;	break;
					case AxisDirection::UpRight:	key=KeyDirection::Left;	break;
					}
					break;
				case KeyDirection::Left:
					switch(axisDirection)
					{
					case AxisDirection::LeftDown:	key=KeyDirection::Right;	break;
					case AxisDirection::RightDown:	key=KeyDirection::Left;	break;
					case AxisDirection::LeftUp:		key=KeyDirection::Right;	break;
					case AxisDirection::RightUp:	key=KeyDirection::Left;	break;
					case AxisDirection::DownLeft:	key=KeyDirection::Down;	break;
					case AxisDirection::DownRight:	key=KeyDirection::Up;		break;
					case AxisDirection::UpLeft:		key=KeyDirection::Down;	break;
					case AxisDirection::UpRight:	key=KeyDirection::Up;		break;
					}
					break;
				case KeyDirection::Right:
					switch(axisDirection)
					{
					case AxisDirection::LeftDown:	key=KeyDirection::Left;	break;
					case AxisDirection::RightDown:	key=KeyDirection::Right;	break;
					case AxisDirection::LeftUp:		key=KeyDirection::Left;	break;
					case AxisDirection::RightUp:	key=KeyDirection::Right;	break;
					case AxisDirection::DownLeft:	key=KeyDirection::Up;		break;
					case AxisDirection::DownRight:	key=KeyDirection::Down;	break;
					case AxisDirection::UpLeft:		key=KeyDirection::Up;		break;
					case AxisDirection::UpRight:	key=KeyDirection::Down;	break;
					}
					break;
				case KeyDirection::Home:
					switch(axisDirection)
					{
					case AxisDirection::LeftDown:	key=KeyDirection::Home;	break;
					case AxisDirection::RightDown:	key=KeyDirection::Home;	break;
					case AxisDirection::LeftUp:		key=KeyDirection::End;	break;
					case AxisDirection::RightUp:	key=KeyDirection::End;	break;
					case AxisDirection::DownLeft:	key=KeyDirection::Home;	break;
					case AxisDirection::DownRight:	key=KeyDirection::Home;	break;
					case AxisDirection::UpLeft:		key=KeyDirection::End;	break;
					case AxisDirection::UpRight:	key=KeyDirection::End;	break;
					}
					break;
				case KeyDirection::End:
					switch(axisDirection)
					{
					case AxisDirection::LeftDown:	key=KeyDirection::End;	break;
					case AxisDirection::RightDown:	key=KeyDirection::End;	break;
					case AxisDirection::LeftUp:		key=KeyDirection::Home;	break;
					case AxisDirection::RightUp:	key=KeyDirection::Home;	break;
					case AxisDirection::DownLeft:	key=KeyDirection::End;	break;
					case AxisDirection::DownRight:	key=KeyDirection::End;	break;
					case AxisDirection::UpLeft:		key=KeyDirection::Home;	break;
					case AxisDirection::UpRight:	key=KeyDirection::Home;	break;
					}
					break;
				default:;
				}

				if(pageKey)
				{
					switch(key)
					{
					case KeyDirection::Up:
						key=KeyDirection::PageUp;
						break;
					case KeyDirection::Down:
						key=KeyDirection::PageDown;
						break;
					case KeyDirection::Left:
						key=KeyDirection::PageLeft;
						break;
					case KeyDirection::Right:
						key=KeyDirection::PageRight;
						break;
					default:;
					}
				}
				return key;
			}
		}
	}
}

/***********************************************************************
GRAPHICSCOMPOSITION\GUIGRAPHICSBASICCOMPOSITION.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace compositions
		{
			using namespace collections;
			using namespace controls;
			using namespace elements;

/***********************************************************************
GuiWindowComposition
***********************************************************************/

			GuiWindowComposition::GuiWindowComposition()
				:attachedWindow(0)
			{
			}

			GuiWindowComposition::~GuiWindowComposition()
			{
			}

			INativeWindow* GuiWindowComposition::GetAttachedWindow()
			{
				return attachedWindow;
			}

			void GuiWindowComposition::SetAttachedWindow(INativeWindow* window)
			{
				attachedWindow=window;
				SetRenderTarget(attachedWindow?GetGuiGraphicsResourceManager()->GetRenderTarget(attachedWindow):0);
			}

			Rect GuiWindowComposition::GetBounds()
			{
				return attachedWindow?Rect(Point(0, 0), attachedWindow->GetClientSize()):Rect();
			}

			void GuiWindowComposition::SetMargin(Margin value)
			{
			}

/***********************************************************************
GuiBoundsComposition
***********************************************************************/

			GuiBoundsComposition::GuiBoundsComposition()
			{
				ClearAlignmentToParent();
			}

			GuiBoundsComposition::~GuiBoundsComposition()
			{
			}

			Rect GuiBoundsComposition::GetPreferredBounds()
			{
				Rect result=GetBoundsInternal(compositionBounds);
				if(GetParent() && IsAlignedToParent())
				{
					if(alignmentToParent.left>=0)
					{
						vint offset=alignmentToParent.left-result.x1;
						result.x1+=offset;
						result.x2+=offset;
					}
					if(alignmentToParent.top>=0)
					{
						vint offset=alignmentToParent.top-result.y1;
						result.y1+=offset;
						result.y2+=offset;
					}
					if(alignmentToParent.right>=0)
					{
						result.x2+=alignmentToParent.right;
					}
					if(alignmentToParent.bottom>=0)
					{
						result.y2+=alignmentToParent.bottom;
					}
				}
				return result;
			}

			Rect GuiBoundsComposition::GetBounds()
			{
				Rect result=GetPreferredBounds();
				if(GetParent() && IsAlignedToParent())
				{
					Size clientSize=GetParent()->GetClientArea().GetSize();
					if(alignmentToParent.left>=0 && alignmentToParent.right>=0)
					{
						result.x1=alignmentToParent.left;
						result.x2=clientSize.x-alignmentToParent.right;
					}
					else if(alignmentToParent.left>=0)
					{
						vint width=result.Width();
						result.x1=alignmentToParent.left;
						result.x2=result.x1+width;
					}
					else if(alignmentToParent.right>=0)
					{
						vint width=result.Width();
						result.x2=clientSize.x-alignmentToParent.right;
						result.x1=result.x2-width;
					}

					if(alignmentToParent.top>=0 && alignmentToParent.bottom>=0)
					{
						result.y1=alignmentToParent.top;
						result.y2=clientSize.y-alignmentToParent.bottom;
					}
					else if(alignmentToParent.top>=0)
					{
						vint height=result.Height();
						result.y1=alignmentToParent.top;
						result.y2=result.y1+height;
					}
					else if(alignmentToParent.bottom>=0)
					{
						vint height=result.Height();
						result.y2=clientSize.y-alignmentToParent.bottom;
						result.y1=result.y2-height;
					}
				}
				UpdatePreviousBounds(result);
				return result;
			}

			void GuiBoundsComposition::SetBounds(Rect value)
			{
				compositionBounds=value;
			}

			void GuiBoundsComposition::ClearAlignmentToParent()
			{
				alignmentToParent=Margin(-1, -1, -1, -1);
			}

			Margin GuiBoundsComposition::GetAlignmentToParent()
			{
				return alignmentToParent;
			}

			void GuiBoundsComposition::SetAlignmentToParent(Margin value)
			{
				alignmentToParent=value;
			}

			bool GuiBoundsComposition::IsAlignedToParent()
			{
				return alignmentToParent!=Margin(-1, -1, -1, -1);
			}
		}
	}
}

/***********************************************************************
GRAPHICSCOMPOSITION\GUIGRAPHICSCOMPOSITION.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace compositions
		{
			using namespace collections;
			using namespace controls;
			using namespace elements;

/***********************************************************************
GuiSharedSizeItemComposition
***********************************************************************/

			void GuiSharedSizeItemComposition::Update()
			{
				if (parentRoot)
				{
					parentRoot->ForceCalculateSizeImmediately();
				}
			}

			void GuiSharedSizeItemComposition::OnParentLineChanged()
			{
				GuiBoundsComposition::OnParentLineChanged();
				if (parentRoot)
				{
					parentRoot->childItems.Remove(this);
					parentRoot = 0;
				}

				auto current = GetParent();
				while (current)
				{
					if (auto item = dynamic_cast<GuiSharedSizeItemComposition*>(current))
					{
						break;
					}
					else if (auto root = dynamic_cast<GuiSharedSizeRootComposition*>(current))
					{
						parentRoot = root;
						break;
					}
					current = current->GetParent();
				}

				if (parentRoot)
				{
					parentRoot->childItems.Add(this);
				}
			}

			GuiSharedSizeItemComposition::GuiSharedSizeItemComposition()
				:parentRoot(0)
				, sharedWidth(false)
				, sharedHeight(false)
			{
				SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
			}

			GuiSharedSizeItemComposition::~GuiSharedSizeItemComposition()
			{
			}

			const WString& GuiSharedSizeItemComposition::GetGroup()
			{
				return group;
			}

			void GuiSharedSizeItemComposition::SetGroup(const WString& value)
			{
				if (group != value)
				{
					group = value;
					Update();
				}
			}

			bool GuiSharedSizeItemComposition::GetSharedWidth()
			{
				return sharedWidth;
			}

			void GuiSharedSizeItemComposition::SetSharedWidth(bool value)
			{
				if (sharedWidth != value)
				{
					sharedWidth = value;
					Update();
				}
			}

			bool GuiSharedSizeItemComposition::GetSharedHeight()
			{
				return sharedHeight;
			}

			void GuiSharedSizeItemComposition::SetSharedHeight(bool value)
			{
				if (sharedHeight != value)
				{
					sharedHeight = value;
					Update();
				}
			}

/***********************************************************************
GuiSharedSizeRootComposition
***********************************************************************/

			GuiSharedSizeRootComposition::GuiSharedSizeRootComposition()
			{
			}

			GuiSharedSizeRootComposition::~GuiSharedSizeRootComposition()
			{
			}

			void AddSizeComponent(Dictionary<WString, vint>& sizes, const WString& group, vint sizeComponent)
			{
				vint index = sizes.Keys().IndexOf(group);
				if (index == -1)
				{
					sizes.Add(group, sizeComponent);
				}
				else if (sizes.Values().Get(index) < sizeComponent)
				{
					sizes.Set(group, sizeComponent);
				}
			}

			void GuiSharedSizeRootComposition::ForceCalculateSizeImmediately()
			{
				Dictionary<WString, vint> widths, heights;

				FOREACH(GuiSharedSizeItemComposition*, item, childItems)
				{
					auto group = item->GetGroup();
					auto minSize = item->GetPreferredMinSize();
					item->SetPreferredMinSize(Size(0, 0));
					auto size = item->GetPreferredBounds().GetSize();

					if (item->GetSharedWidth())
					{
						AddSizeComponent(widths, group, size.x);
					}
					if (item->GetSharedHeight())
					{
						AddSizeComponent(heights, group, size.y);
					}

					item->SetPreferredMinSize(minSize);
				}

				FOREACH(GuiSharedSizeItemComposition*, item, childItems)
				{
					auto group = item->GetGroup();
					auto size = item->GetPreferredMinSize();

					if (item->GetSharedWidth())
					{
						size.x = widths[group];
					}
					if (item->GetSharedHeight())
					{
						size.y = heights[group];
					}

					item->SetPreferredMinSize(size);
				}

				GuiBoundsComposition::ForceCalculateSizeImmediately();
			}
		}
	}
}

/***********************************************************************
GRAPHICSCOMPOSITION\GUIGRAPHICSCOMPOSITIONBASE.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace compositions
		{
			using namespace collections;
			using namespace controls;
			using namespace elements;

/***********************************************************************
GuiGraphicsComposition
***********************************************************************/

			void GuiGraphicsComposition::OnControlParentChanged(controls::GuiControl* control)
			{
				if(associatedControl && associatedControl!=control)
				{
					if(associatedControl->GetParent())
					{
						associatedControl->GetParent()->OnChildRemoved(associatedControl);
					}
					if(control)
					{
						control->OnChildInserted(associatedControl);
					}
				}
				else
				{
					for(vint i=0;i<children.Count();i++)
					{
						children[i]->OnControlParentChanged(control);
					}
				}
			}

			void GuiGraphicsComposition::OnChildInserted(GuiGraphicsComposition* child)
			{
				child->OnControlParentChanged(GetRelatedControl());
			}

			void GuiGraphicsComposition::OnChildRemoved(GuiGraphicsComposition* child)
			{
				child->OnControlParentChanged(0);
			}

			void GuiGraphicsComposition::OnParentChanged(GuiGraphicsComposition* oldParent, GuiGraphicsComposition* newParent)
			{
				OnParentLineChanged();
			}

			void GuiGraphicsComposition::OnParentLineChanged()
			{
				for (vint i = 0; i < children.Count(); i++)
				{
					children[i]->OnParentLineChanged();
				}
			}

			void GuiGraphicsComposition::OnRenderTargetChanged()
			{
				if(associatedControl)
				{
					associatedControl->OnRenderTargetChanged(renderTarget);
				}
			}

			bool GuiGraphicsComposition::SharedPtrDestructorProc(DescriptableObject* obj, bool forceDisposing)
			{
				GuiGraphicsComposition* value=dynamic_cast<GuiGraphicsComposition*>(obj);
				if(value->parent)
				{
					if (!forceDisposing) return false;
				}
				SafeDeleteComposition(value);
				return true;
			}

			GuiGraphicsComposition::GuiGraphicsComposition()
				:parent(0)
				,visible(true)
				,minSizeLimitation(NoLimit)
				,renderTarget(0)
				,associatedControl(0)
				,associatedHost(0)
				,associatedCursor(0)
				,associatedHitTestResult(INativeWindowListener::NoDecision)
			{
				sharedPtrDestructorProc = &GuiGraphicsComposition::SharedPtrDestructorProc;
			}

			GuiGraphicsComposition::~GuiGraphicsComposition()
			{
				for(vint i=0;i<children.Count();i++)
				{
					delete children[i];
				}
			}

			GuiGraphicsComposition* GuiGraphicsComposition::GetParent()
			{
				return parent;
			}

			const GuiGraphicsComposition::CompositionList& GuiGraphicsComposition::Children()
			{
				return children;
			}

			bool GuiGraphicsComposition::AddChild(GuiGraphicsComposition* child)
			{
				return InsertChild(children.Count(), child);
			}

			bool GuiGraphicsComposition::InsertChild(vint index, GuiGraphicsComposition* child)
			{
				if(!child) return false;
				if(child->GetParent()) return false;
				children.Insert(index, child);
				child->parent=this;
				child->SetRenderTarget(renderTarget);
				OnChildInserted(child);
				child->OnParentChanged(0, child->parent);
				return true;
			}

			bool GuiGraphicsComposition::RemoveChild(GuiGraphicsComposition* child)
			{
				if(!child) return false;
				vint index=children.IndexOf(child);
				if(index==-1) return false;
				child->OnParentChanged(child->parent, 0);
				OnChildRemoved(child);
				child->SetRenderTarget(0);
				child->parent=0;
				GuiGraphicsHost* host=GetRelatedGraphicsHost();
				if(host)
				{
					host->DisconnectComposition(child);
				}
				children.RemoveAt(index);
				return true;
			}

			bool GuiGraphicsComposition::MoveChild(GuiGraphicsComposition* child, vint newIndex)
			{
				if(!child) return false;
				vint index=children.IndexOf(child);
				if(index==-1) return false;
				children.RemoveAt(index);
				children.Insert(newIndex, child);
				return true;
			}

			Ptr<IGuiGraphicsElement> GuiGraphicsComposition::GetOwnedElement()
			{
				return ownedElement;
			}

			void GuiGraphicsComposition::SetOwnedElement(Ptr<IGuiGraphicsElement> element)
			{
				if(ownedElement)
				{
					IGuiGraphicsRenderer* renderer=ownedElement->GetRenderer();
					if(renderer)
					{
						renderer->SetRenderTarget(0);
					}
				}
				ownedElement=element;
				if(ownedElement)
				{
					IGuiGraphicsRenderer* renderer=ownedElement->GetRenderer();
					if(renderer)
					{
						renderer->SetRenderTarget(renderTarget);
					}
				}
			}

			bool GuiGraphicsComposition::GetVisible()
			{
				return visible;
			}

			void GuiGraphicsComposition::SetVisible(bool value)
			{
				visible=value;
			}

			GuiGraphicsComposition::MinSizeLimitation GuiGraphicsComposition::GetMinSizeLimitation()
			{
				return minSizeLimitation;
			}

			void GuiGraphicsComposition::SetMinSizeLimitation(MinSizeLimitation value)
			{
				minSizeLimitation=value;
			}

			IGuiGraphicsRenderTarget* GuiGraphicsComposition::GetRenderTarget()
			{
				return renderTarget;
			}

			void GuiGraphicsComposition::SetRenderTarget(IGuiGraphicsRenderTarget* value)
			{
				renderTarget=value;
				if(ownedElement)
				{
					IGuiGraphicsRenderer* renderer=ownedElement->GetRenderer();
					if(renderer)
					{
						renderer->SetRenderTarget(renderTarget);
					}
				}
				for(vint i=0;i<children.Count();i++)
				{
					children[i]->SetRenderTarget(renderTarget);
				}
				OnRenderTargetChanged();
			}

			void GuiGraphicsComposition::Render(Size offset)
			{
				if(visible && renderTarget && !renderTarget->IsClipperCoverWholeTarget())
				{
					Rect bounds=GetBounds();
					bounds.x1+=margin.left;
					bounds.y1+=margin.top;
					bounds.x2-=margin.right;
					bounds.y2-=margin.bottom;

					if(bounds.x1<=bounds.x2 && bounds.y1<=bounds.y2)
					{
						bounds.x1+=offset.x;
						bounds.x2+=offset.x;
						bounds.y1+=offset.y;
						bounds.y2+=offset.y;

						if(ownedElement)
						{
							IGuiGraphicsRenderer* renderer=ownedElement->GetRenderer();
							if(renderer)
							{
								renderer->Render(bounds);
							}
						}
						if(children.Count()>0)
						{
							bounds.x1+=internalMargin.left;
							bounds.y1+=internalMargin.top;
							bounds.x2-=internalMargin.right;
							bounds.y2-=internalMargin.bottom;
							if(bounds.x1<=bounds.x2 && bounds.y1<=bounds.y2)
							{
								offset=bounds.GetSize();
								renderTarget->PushClipper(bounds);
								if(!renderTarget->IsClipperCoverWholeTarget())
								{
									for(vint i=0;i<children.Count();i++)
									{
										children[i]->Render(Size(bounds.x1, bounds.y1));
									}
								}
								renderTarget->PopClipper();
							}
						}
					}
				}
			}

			GuiGraphicsEventReceiver* GuiGraphicsComposition::GetEventReceiver()
			{
				if(!eventReceiver)
				{
					eventReceiver=new GuiGraphicsEventReceiver(this);
				}
				return eventReceiver.Obj();
			}

			bool GuiGraphicsComposition::HasEventReceiver()
			{
				return eventReceiver;
			}

			GuiGraphicsComposition* GuiGraphicsComposition::FindComposition(Point location)
			{
				if(!visible) return 0;
				Rect bounds=GetBounds();
				Rect relativeBounds=Rect(Point(0, 0), bounds.GetSize());
				if(relativeBounds.Contains(location))
				{
					Rect clientArea=GetClientArea();
					for(vint i=children.Count()-1;i>=0;i--)
					{
						GuiGraphicsComposition* child=children[i];
						Rect childBounds=child->GetBounds();
						vint offsetX=childBounds.x1+(clientArea.x1-bounds.x1);
						vint offsetY=childBounds.y1+(clientArea.y1-bounds.y1);
						Point newLocation=location-Size(offsetX, offsetY);
						GuiGraphicsComposition* childResult=child->FindComposition(newLocation);
						if(childResult)
						{
							return childResult;
						}
					}
					return this;
				}
				else
				{
					return 0;
				}
			}

			Rect GuiGraphicsComposition::GetGlobalBounds()
			{
				Rect bounds=GetBounds();
				GuiGraphicsComposition* composition=parent;
				while(composition)
				{
					Rect clientArea=composition->GetClientArea();
					Rect parentBounds=composition->GetBounds();
					bounds.x1+=clientArea.x1;
					bounds.x2+=clientArea.x1;
					bounds.y1+=clientArea.y1;
					bounds.y2+=clientArea.y1;
					composition=composition->parent;
				}
				return bounds;
			}

			controls::GuiControl* GuiGraphicsComposition::GetAssociatedControl()
			{
				return associatedControl;
			}

			void GuiGraphicsComposition::SetAssociatedControl(controls::GuiControl* control)
			{
				if(associatedControl)
				{
					for(vint i=0;i<children.Count();i++)
					{
						children[i]->OnControlParentChanged(0);
					}
				}
				associatedControl=control;
				if(associatedControl)
				{
					for(vint i=0;i<children.Count();i++)
					{
						children[i]->OnControlParentChanged(associatedControl);
					}
				}
			}

			GuiGraphicsHost* GuiGraphicsComposition::GetAssociatedHost()
			{
				return associatedHost;
			}

			void GuiGraphicsComposition::SetAssociatedHost(GuiGraphicsHost* host)
			{
				associatedHost=host;
			}

			INativeCursor* GuiGraphicsComposition::GetAssociatedCursor()
			{
				return associatedCursor;
			}

			void GuiGraphicsComposition::SetAssociatedCursor(INativeCursor* cursor)
			{
				associatedCursor=cursor;
			}

			INativeWindowListener::HitTestResult GuiGraphicsComposition::GetAssociatedHitTestResult()
			{
				return associatedHitTestResult;
			}

			void GuiGraphicsComposition::SetAssociatedHitTestResult(INativeWindowListener::HitTestResult value)
			{
				associatedHitTestResult=value;
			}

			controls::GuiControl* GuiGraphicsComposition::GetRelatedControl()
			{
				GuiGraphicsComposition* composition=this;
				while(composition)
				{
					if(composition->GetAssociatedControl())
					{
						return composition->GetAssociatedControl();
					}
					else
					{
						composition=composition->GetParent();
					}
				}
				return 0;
			}

			GuiGraphicsHost* GuiGraphicsComposition::GetRelatedGraphicsHost()
			{
				GuiGraphicsComposition* composition=this;
				while(composition)
				{
					if(composition->GetAssociatedHost())
					{
						return composition->GetAssociatedHost();
					}
					else
					{
						composition=composition->GetParent();
					}
				}
				return 0;
			}

			controls::GuiControlHost* GuiGraphicsComposition::GetRelatedControlHost()
			{
				GuiGraphicsComposition* composition=this;
				while(composition)
				{
					if(composition->GetAssociatedControl())
					{
						GuiControlHost* controlHost=dynamic_cast<GuiControlHost*>(composition->GetAssociatedControl());
						if(controlHost)
						{
							return controlHost;
						}
					}
					composition=composition->GetParent();
				}
				return 0;
			}

			INativeCursor* GuiGraphicsComposition::GetRelatedCursor()
			{
				GuiGraphicsComposition* composition=this;
				while(composition)
				{
					if(composition->GetAssociatedCursor())
					{
						return composition->GetAssociatedCursor();
					}
					else
					{
						composition=composition->GetParent();
					}
				}
				return 0;
			}

			Margin GuiGraphicsComposition::GetMargin()
			{
				return margin;
			}

			void GuiGraphicsComposition::SetMargin(Margin value)
			{
				margin=value;
			}

			Margin GuiGraphicsComposition::GetInternalMargin()
			{
				return internalMargin;
			}

			void GuiGraphicsComposition::SetInternalMargin(Margin value)
			{
				internalMargin=value;
			}

			Size GuiGraphicsComposition::GetPreferredMinSize()
			{
				return preferredMinSize;
			}

			void GuiGraphicsComposition::SetPreferredMinSize(Size value)
			{
				preferredMinSize=value;
			}

			Rect GuiGraphicsComposition::GetClientArea()
			{
				Rect bounds=GetBounds();
				bounds.x1+=margin.left+internalMargin.left;
				bounds.y1+=margin.top+internalMargin.top;
				bounds.x2-=margin.right+internalMargin.right;
				bounds.y2-=margin.bottom+internalMargin.bottom;
				return bounds;
			}

			void GuiGraphicsComposition::ForceCalculateSizeImmediately()
			{
				for(vint i=0;i<children.Count();i++)
				{
					children[i]->ForceCalculateSizeImmediately();
				}
			}

/***********************************************************************
GuiGraphicsSite
***********************************************************************/

			Rect GuiGraphicsSite::GetBoundsInternal(Rect expectedBounds)
			{
				Size minSize=GetMinPreferredClientSize();
				if(minSize.x<preferredMinSize.x) minSize.x=preferredMinSize.x;
				if(minSize.y<preferredMinSize.y) minSize.y=preferredMinSize.y;

				minSize.x+=margin.left+margin.right+internalMargin.left+internalMargin.right;
				minSize.y+=margin.top+margin.bottom+internalMargin.top+internalMargin.bottom;
				vint w=expectedBounds.Width();
				vint h=expectedBounds.Height();
				if(minSize.x<w) minSize.x=w;
				if(minSize.y<h) minSize.y=h;
				return Rect(expectedBounds.LeftTop(), minSize);
			}

			void GuiGraphicsSite::UpdatePreviousBounds(Rect bounds)
			{
				if(previousBounds!=bounds)
				{
					previousBounds=bounds;
					BoundsChanged.Execute(GuiEventArgs(this));
				}
			}

			GuiGraphicsSite::GuiGraphicsSite()
			{
				BoundsChanged.SetAssociatedComposition(this);
			}

			GuiGraphicsSite::~GuiGraphicsSite()
			{
			}

			bool GuiGraphicsSite::IsSizeAffectParent()
			{
				return true;
			}

			Size GuiGraphicsSite::GetMinPreferredClientSize()
			{
				Size minSize;
				if(minSizeLimitation!=GuiGraphicsComposition::NoLimit)
				{
					if(ownedElement)
					{
						IGuiGraphicsRenderer* renderer=ownedElement->GetRenderer();
						if(renderer)
						{
							minSize=renderer->GetMinSize();
						}
					}
				}
				if(minSizeLimitation==GuiGraphicsComposition::LimitToElementAndChildren)
				{
					vint childCount=Children().Count();
					for(vint i=0;i<childCount;i++)
					{
						GuiGraphicsComposition* child=children[i];
						if(child->IsSizeAffectParent())
						{
							Rect childBounds=child->GetPreferredBounds();
							if(minSize.x<childBounds.x2) minSize.x=childBounds.x2;
							if(minSize.y<childBounds.y2) minSize.y=childBounds.y2;
						}
					}
				}
				return minSize;
			}

			Rect GuiGraphicsSite::GetPreferredBounds()
			{
				return GetBoundsInternal(Rect(Point(0, 0), GetMinPreferredClientSize()));
			}

/***********************************************************************
Helper Functions
***********************************************************************/

			void SafeDeleteControl(controls::GuiControl* value)
			{
				if(value)
				{
					GuiGraphicsComposition* bounds=value->GetBoundsComposition();
					if(bounds->GetParent())
					{
						bounds->GetParent()->RemoveChild(bounds);
					}
					delete value;
				}
			}

			void SafeDeleteComposition(GuiGraphicsComposition* value)
			{
				if(value)
				{
					if(value->GetParent())
					{
						value->GetParent()->RemoveChild(value);
					}

					if(value->GetAssociatedControl())
					{
						SafeDeleteControl(value->GetAssociatedControl());
					}
					else
					{
						for(vint i=value->Children().Count()-1;i>=0;i--)
						{
							SafeDeleteComposition(value->Children().Get(i));
						}
						delete value;
					}
				}
			}
		}
	}
}

/***********************************************************************
GRAPHICSCOMPOSITION\GUIGRAPHICSEVENTRECEIVER.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace compositions
		{

/***********************************************************************
Event Receiver
***********************************************************************/

			GuiGraphicsEventReceiver::GuiGraphicsEventReceiver(GuiGraphicsComposition* _sender)
				:sender(_sender)
				,leftButtonDown(_sender)
				,leftButtonUp(_sender)
				,leftButtonDoubleClick(_sender)
				,middleButtonDown(_sender)
				,middleButtonUp(_sender)
				,middleButtonDoubleClick(_sender)
				,rightButtonDown(_sender)
				,rightButtonUp(_sender)
				,rightButtonDoubleClick(_sender)
				,horizontalWheel(_sender)
				,verticalWheel(_sender)
				,mouseMove(_sender)
				,mouseEnter(_sender)
				,mouseLeave(_sender)
				,previewKey(_sender)
				,keyDown(_sender)
				,keyUp(_sender)
				,systemKeyDown(_sender)
				,systemKeyUp(_sender)
				,previewCharInput(_sender)
				,charInput(_sender)
				,gotFocus(_sender)
				,lostFocus(_sender)
				,caretNotify(_sender)
				,clipboardNotify(_sender)
			{
			}

			GuiGraphicsEventReceiver::~GuiGraphicsEventReceiver()
			{
			}

			GuiGraphicsComposition* GuiGraphicsEventReceiver::GetAssociatedComposition()
			{
				return sender;
			}
		}
	}
}

/***********************************************************************
GRAPHICSCOMPOSITION\GUIGRAPHICSFLOWCOMPOSITION.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace compositions
		{
			using namespace collections;

/***********************************************************************
GuiFlowComposition
***********************************************************************/

			void GuiFlowComposition::UpdateFlowItemBounds(bool forceUpdate)
			{
				if (forceUpdate || needUpdate)
				{
					needUpdate = false;
					auto clientMargin = axis->RealMarginToVirtualMargin(extraMargin);
					if (clientMargin.left < 0) clientMargin.left = 0;
					if (clientMargin.top < 0) clientMargin.top = 0;
					if (clientMargin.right < 0) clientMargin.right = 0;
					if (clientMargin.bottom < 0) clientMargin.bottom = 0;

					auto realFullSize = previousBounds.GetSize();
					auto clientSize = axis->RealSizeToVirtualSize(realFullSize);
					clientSize.x -= (clientMargin.left + clientMargin.right);
					clientSize.y -= (clientMargin.top + clientMargin.bottom);

					flowItemBounds.Resize(flowItems.Count());
					for (vint i = 0; i < flowItems.Count(); i++)
					{
						flowItemBounds[i] = Rect(Point(0, 0), flowItems[i]->GetMinSize());
					}

					vint currentIndex = 0;
					vint rowTop = 0;

					while (currentIndex < flowItems.Count())
					{
						auto itemSize = axis->RealSizeToVirtualSize(flowItemBounds[currentIndex].GetSize());
						vint rowWidth = itemSize.x;
						vint rowHeight = itemSize.y;
						vint rowItemCount = 1;

						for (vint i = currentIndex + 1; i < flowItems.Count(); i++)
						{
							itemSize = axis->RealSizeToVirtualSize(flowItemBounds[i].GetSize());
							vint itemWidth = itemSize.x + columnPadding;
							if (rowWidth + itemWidth > clientSize.x)
							{
								break;
							}
							rowWidth += itemWidth;
							if (rowHeight < itemSize.y)
							{
								rowHeight = itemSize.y;
							}
							rowItemCount++;
						}

						vint baseLine = 0;
						Array<vint> itemBaseLines(rowItemCount);
						for (vint i = 0; i < rowItemCount; i++)
						{
							vint index = currentIndex + i;
							vint itemBaseLine = 0;
							itemSize = axis->RealSizeToVirtualSize(flowItemBounds[index].GetSize());

							auto option = flowItems[index]->GetFlowOption();
							switch (option.baseline)
							{
							case GuiFlowOption::FromTop:
								itemBaseLine = option.distance;
								break;
							case GuiFlowOption::FromBottom:
								itemBaseLine = itemSize.y - option.distance;
								break;
							case GuiFlowOption::Percentage:
								itemBaseLine = (vint)(itemSize.y*option.percentage);
								break;
							}

							itemBaseLines[i] = itemBaseLine;
							if (baseLine < itemBaseLine)
							{
								baseLine = itemBaseLine;
							}
						}

						vint rowUsedWidth = 0;
						for (vint i = 0; i < rowItemCount; i++)
						{
							vint index = currentIndex + i;
							itemSize = axis->RealSizeToVirtualSize(flowItemBounds[index].GetSize());

							vint itemLeft = 0;
							vint itemTop = rowTop + baseLine - itemBaseLines[i];

							switch (alignment)
							{
							case FlowAlignment::Left:
								itemLeft = rowUsedWidth + i * columnPadding;
								break;
							case FlowAlignment::Center:
								itemLeft = rowUsedWidth + i * columnPadding + (clientSize.x - rowWidth) / 2;
								break;
							case FlowAlignment::Extend:
								if (i == 0)
								{
									itemLeft = rowUsedWidth;
								}
								else
								{
									itemLeft = rowUsedWidth + (vint)((double)(clientSize.x - rowWidth) * i / (rowItemCount - 1)) + i * columnPadding;
								}
								break;
							}

							flowItemBounds[index] = axis->VirtualRectToRealRect(
								realFullSize,
								Rect(
									Point(
										itemLeft + clientMargin.left,
										itemTop + clientMargin.top
										),
									itemSize
									)
								);
							rowUsedWidth += itemSize.x;
						}

						rowTop += rowHeight + rowPadding;
						currentIndex += rowItemCount;
					}

					minHeight = rowTop == 0 ? 0 : rowTop - rowPadding;
				}
			}

			void GuiFlowComposition::OnBoundsChanged(GuiGraphicsComposition* sender, GuiEventArgs& arguments)
			{
				UpdateFlowItemBounds(true);
			}

			void GuiFlowComposition::OnChildInserted(GuiGraphicsComposition* child)
			{
				GuiBoundsComposition::OnChildInserted(child);
				auto item = dynamic_cast<GuiFlowItemComposition*>(child);
				if (item && !flowItems.Contains(item))
				{
					flowItems.Add(item);
					needUpdate = true;
				}
			}

			void GuiFlowComposition::OnChildRemoved(GuiGraphicsComposition* child)
			{
				GuiBoundsComposition::OnChildRemoved(child);
				auto item=dynamic_cast<GuiFlowItemComposition*>(child);
				if(item)
				{
					flowItems.Remove(item);
					needUpdate = true;
				}
			}

			GuiFlowComposition::GuiFlowComposition()
				:axis(new GuiDefaultAxis)
			{
				BoundsChanged.AttachMethod(this, &GuiFlowComposition::OnBoundsChanged);
			}

			GuiFlowComposition::~GuiFlowComposition()
			{
			}

			const GuiFlowComposition::ItemCompositionList& GuiFlowComposition::GetFlowItems()
			{
				return flowItems;
			}

			Margin GuiFlowComposition::GetExtraMargin()
			{
				return extraMargin;
			}

			void GuiFlowComposition::SetExtraMargin(Margin value)
			{
				extraMargin = value;
				needUpdate = true;
			}

			vint GuiFlowComposition::GetRowPadding()
			{
				return rowPadding;
			}

			void GuiFlowComposition::SetRowPadding(vint value)
			{
				rowPadding = value;
				needUpdate = true;
			}

			vint GuiFlowComposition::GetColumnPadding()
			{
				return columnPadding;
			}

			void GuiFlowComposition::SetColumnPadding(vint value)
			{
				columnPadding = value;
				needUpdate = true;
			}

			Ptr<IGuiAxis> GuiFlowComposition::GetAxis()
			{
				return axis;
			}

			void GuiFlowComposition::SetAxis(Ptr<IGuiAxis> value)
			{
				if (value)
				{
					axis = value;
					needUpdate = true;
				}
			}

			FlowAlignment GuiFlowComposition::GetAlignment()
			{
				return alignment;
			}

			void GuiFlowComposition::SetAlignment(FlowAlignment value)
			{
				alignment = value;
				needUpdate = true;
			}

			void GuiFlowComposition::ForceCalculateSizeImmediately()
			{
				GuiBoundsComposition::ForceCalculateSizeImmediately();
				UpdateFlowItemBounds(true);
			}
			
			Size GuiFlowComposition::GetMinPreferredClientSize()
			{
				Size minSize = GuiBoundsComposition::GetMinPreferredClientSize();
				if (GetMinSizeLimitation() == GuiGraphicsComposition::LimitToElementAndChildren)
				{
					auto clientMargin = extraMargin;
					if (clientMargin.left < 0) clientMargin.left = 0;
					if (clientMargin.top < 0) clientMargin.top = 0;
					if (clientMargin.right < 0) clientMargin.right = 0;
					if (clientMargin.bottom < 0) clientMargin.bottom = 0;

					auto clientSize = axis->VirtualSizeToRealSize(Size(0, minHeight));
					clientSize.x += clientMargin.left + clientMargin.right;
					clientSize.y += clientMargin.top + clientMargin.bottom;

					if (minSize.x < clientSize.x) minSize.x = clientSize.x;
					if (minSize.y < clientSize.y) minSize.y = clientSize.y;
				}

				vint x = 0;
				vint y = 0;
				if (extraMargin.left > 0) x += extraMargin.left;
				if (extraMargin.right > 0) x += extraMargin.right;
				if (extraMargin.top > 0) y += extraMargin.top;
				if (extraMargin.bottom > 0) y += extraMargin.bottom;
				return minSize + Size(x, y);
			}

			Rect GuiFlowComposition::GetBounds()
			{
				if (!needUpdate)
				{
					for (vint i = 0; i < flowItems.Count(); i++)
					{
						if (flowItemBounds[i].GetSize() != flowItems[i]->GetMinSize())
						{
							needUpdate = true;
							break;
						}
					}
				}

				if (needUpdate)
				{
					UpdateFlowItemBounds(true);
				}

				bounds = GuiBoundsComposition::GetBounds();
				return bounds;
			}

/***********************************************************************
GuiFlowItemComposition
***********************************************************************/

			void GuiFlowItemComposition::OnParentChanged(GuiGraphicsComposition* oldParent, GuiGraphicsComposition* newParent)
			{
				GuiGraphicsSite::OnParentChanged(oldParent, newParent);
				flowParent = newParent == 0 ? 0 : dynamic_cast<GuiFlowComposition*>(newParent);
			}

			Size GuiFlowItemComposition::GetMinSize()
			{
				return GetBoundsInternal(bounds).GetSize();
			}

			GuiFlowItemComposition::GuiFlowItemComposition()
			{
				SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
			}

			GuiFlowItemComposition::~GuiFlowItemComposition()
			{
			}
			
			bool GuiFlowItemComposition::IsSizeAffectParent()
			{
				return false;
			}

			Rect GuiFlowItemComposition::GetBounds()
			{
				Rect result = bounds;
				if(flowParent)
				{
					flowParent->UpdateFlowItemBounds(false);
					vint index = flowParent->flowItems.IndexOf(this);
					if (index != -1)
					{
						result = flowParent->flowItemBounds[index];
					}

					result = Rect(
						result.Left() - extraMargin.left,
						result.Top() - extraMargin.top,
						result.Right() + extraMargin.right,
						result.Bottom() + extraMargin.bottom
						);
				}
				UpdatePreviousBounds(result);
				return result;
			}

			void GuiFlowItemComposition::SetBounds(Rect value)
			{
				bounds = value;
			}

			Margin GuiFlowItemComposition::GetExtraMargin()
			{
				return extraMargin;
			}

			void GuiFlowItemComposition::SetExtraMargin(Margin value)
			{
				extraMargin = value;
			}

			GuiFlowOption GuiFlowItemComposition::GetFlowOption()
			{
				return option;
			}

			void GuiFlowItemComposition::SetFlowOption(GuiFlowOption value)
			{
				option = value;
				if (flowParent)
				{
					flowParent->needUpdate = true;
				}
			}
		}
	}
}

/***********************************************************************
GRAPHICSCOMPOSITION\GUIGRAPHICSSPECIALIZEDCOMPOSITION.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace compositions
		{

/***********************************************************************
GuiSideAlignedComposition
***********************************************************************/

			GuiSideAlignedComposition::GuiSideAlignedComposition()
				:direction(Top)
				,maxLength(10)
				,maxRatio(1.0)
			{
			}

			GuiSideAlignedComposition::~GuiSideAlignedComposition()
			{
			}

			GuiSideAlignedComposition::Direction GuiSideAlignedComposition::GetDirection()
			{
				return direction;
			}

			void GuiSideAlignedComposition::SetDirection(Direction value)
			{
				direction=value;
			}

			vint GuiSideAlignedComposition::GetMaxLength()
			{
				return maxLength;
			}

			void GuiSideAlignedComposition::SetMaxLength(vint value)
			{
				if(value<0) value=0;
				maxLength=value;
			}

			double GuiSideAlignedComposition::GetMaxRatio()
			{
				return maxRatio;
			}

			void GuiSideAlignedComposition::SetMaxRatio(double value)
			{
				maxRatio=
					value<0?0:
					value>1?1:
					value;
			}

			bool GuiSideAlignedComposition::IsSizeAffectParent()
			{
				return false;
			}

			Rect GuiSideAlignedComposition::GetBounds()
			{
				Rect result;
				GuiGraphicsComposition* parent=GetParent();
				if(parent)
				{
					Rect bounds=parent->GetBounds();
					vint w=(vint)(bounds.Width()*maxRatio);
					vint h=(vint)(bounds.Height()*maxRatio);
					if(w>maxLength) w=maxLength;
					if(h>maxLength) h=maxLength;
					switch(direction)
					{
					case Left:
						{
							bounds.x2=bounds.x1+w;
						}
						break;
					case Top:
						{
							bounds.y2=bounds.y1+h;
						}
						break;
					case Right:
						{
							bounds.x1=bounds.x2-w;
						}
						break;
					case Bottom:
						{
							bounds.y1=bounds.y2-h;
						}
						break;
					}
					result = bounds;
				}
				UpdatePreviousBounds(result);
				return result;
			}

/***********************************************************************
GuiPartialViewComposition
***********************************************************************/

			GuiPartialViewComposition::GuiPartialViewComposition()
				:wRatio(0.0)
				,wPageSize(1.0)
				,hRatio(0.0)
				,hPageSize(1.0)
			{
			}

			GuiPartialViewComposition::~GuiPartialViewComposition()
			{
			}

			double GuiPartialViewComposition::GetWidthRatio()
			{
				return wRatio;
			}

			double GuiPartialViewComposition::GetWidthPageSize()
			{
				return wPageSize;
			}

			double GuiPartialViewComposition::GetHeightRatio()
			{
				return hRatio;
			}

			double GuiPartialViewComposition::GetHeightPageSize()
			{
				return hPageSize;
			}

			void GuiPartialViewComposition::SetWidthRatio(double value)
			{
				wRatio=value;
			}

			void GuiPartialViewComposition::SetWidthPageSize(double value)
			{
				wPageSize=value;
			}

			void GuiPartialViewComposition::SetHeightRatio(double value)
			{
				hRatio=value;
			}

			void GuiPartialViewComposition::SetHeightPageSize(double value)
			{
				hPageSize=value;
			}

			bool GuiPartialViewComposition::IsSizeAffectParent()
			{
				return false;
			}

			Rect GuiPartialViewComposition::GetBounds()
			{
				Rect result;
				GuiGraphicsComposition* parent=GetParent();
				if(parent)
				{
					Rect bounds=parent->GetBounds();
					vint w=bounds.Width();
					vint h=bounds.Height();
					vint pw=(vint)(wPageSize*w);
					vint ph=(vint)(hPageSize*h);

					vint ow=preferredMinSize.x-pw;
					if(ow<0) ow=0;
					vint oh=preferredMinSize.y-ph;
					if(oh<0) oh=0;

					w-=ow;
					h-=oh;
					pw+=ow;
					ph+=oh;

					result = Rect(Point((vint)(wRatio*w), (vint)(hRatio*h)), Size(pw, ph));
				}
				UpdatePreviousBounds(result);
				return result;
			}
		}
	}
}

/***********************************************************************
GRAPHICSCOMPOSITION\GUIGRAPHICSSTACKCOMPOSITION.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace compositions
		{

/***********************************************************************
GuiStackComposition
***********************************************************************/

			void GuiStackComposition::UpdateStackItemBounds()
			{
				if (stackItemBounds.Count() != stackItems.Count())
				{
					stackItemBounds.Resize(stackItems.Count());
				}

				stackItemTotalSize = Size(0, 0);
				Point offset;
				for (vint i = 0; i < stackItems.Count(); i++)
				{
					vint offsetX = 0;
					vint offsetY = 0;
					Size itemSize = stackItems[i]->GetMinSize();
					stackItemBounds[i] = Rect(offset, itemSize);

#define ACCUMULATE(U, V)										\
					{											\
						if (stackItemTotalSize.V < itemSize.V)	\
						{										\
							stackItemTotalSize.V = itemSize.V;	\
						}										\
						if (i > 0)								\
						{										\
							stackItemTotalSize.U += padding;	\
						}										\
						stackItemTotalSize.U += itemSize.U;		\
					}											\

					switch (direction)
					{
					case GuiStackComposition::Horizontal:
					case GuiStackComposition::ReversedHorizontal:
						ACCUMULATE(x, y)
						break;
					case GuiStackComposition::Vertical:
					case GuiStackComposition::ReversedVertical:
						ACCUMULATE(y, x)
						break;
					}

#undef ACCUMULATE
					offset.x += itemSize.x + padding;
					offset.y += itemSize.y + padding;
				}
				EnsureStackItemVisible();
			}

			void GuiStackComposition::EnsureStackItemVisible()
			{
#define ADJUSTMENT(U, V)															\
				if (itemBounds.U() <= 0)											\
				{																	\
					adjustment -= itemBounds.U();									\
				}																	\
				else																\
				{																	\
					vint overflow = itemBounds.V() - previousBounds.V();			\
					if (overflow > 0)												\
					{																\
						adjustment -= overflow;										\
					}																\
				}																	\

				if (ensuringVisibleStackItem)
				{
					Rect itemBounds = ensuringVisibleStackItem->GetBounds();
					switch (direction)
					{
					case Horizontal:
					case ReversedHorizontal:
						ADJUSTMENT(Left, Right)
						break;
					case Vertical:
					case ReversedVertical:
						ADJUSTMENT(Top, Bottom)
						break;
					}
				}

#undef ADJUSTMENT
			}

			void GuiStackComposition::OnBoundsChanged(GuiGraphicsComposition* sender, GuiEventArgs& arguments)
			{
				EnsureStackItemVisible();
			}

			void GuiStackComposition::OnChildInserted(GuiGraphicsComposition* child)
			{
				GuiBoundsComposition::OnChildInserted(child);
				GuiStackItemComposition* item = dynamic_cast<GuiStackItemComposition*>(child);
				if (item)
				{
					if (!stackItems.Contains(item))
					{
						stackItems.Add(item);
					}
					UpdateStackItemBounds();
				}
			}

			void GuiStackComposition::OnChildRemoved(GuiGraphicsComposition* child)
			{
				GuiBoundsComposition::OnChildRemoved(child);
				GuiStackItemComposition* item=dynamic_cast<GuiStackItemComposition*>(child);
				if(item)
				{
					stackItems.Remove(item);
					if (item == ensuringVisibleStackItem)
					{
						ensuringVisibleStackItem = 0;
					}
					UpdateStackItemBounds();
				}
			}

			GuiStackComposition::GuiStackComposition()
			{
				BoundsChanged.AttachMethod(this, &GuiStackComposition::OnBoundsChanged);
			}

			GuiStackComposition::~GuiStackComposition()
			{
			}

			const GuiStackComposition::ItemCompositionList& GuiStackComposition::GetStackItems()
			{
				return stackItems;
			}

			bool GuiStackComposition::InsertStackItem(vint index, GuiStackItemComposition* item)
			{
				index=stackItems.Insert(index, item);
				if(!AddChild(item))
				{
					stackItems.RemoveAt(index);
					return false;
				}
				else
				{
					return true;
				}
			}

			GuiStackComposition::Direction GuiStackComposition::GetDirection()
			{
				return direction;
			}

			void GuiStackComposition::SetDirection(Direction value)
			{
				direction = value;
				EnsureStackItemVisible();
			}

			vint GuiStackComposition::GetPadding()
			{
				return padding;
			}

			void GuiStackComposition::SetPadding(vint value)
			{
				padding = value;
				EnsureStackItemVisible();
			}

			void GuiStackComposition::ForceCalculateSizeImmediately()
			{
				GuiBoundsComposition::ForceCalculateSizeImmediately();
				UpdateStackItemBounds();
			}
			
			Size GuiStackComposition::GetMinPreferredClientSize()
			{
				Size minSize = GuiBoundsComposition::GetMinPreferredClientSize();
				if (GetMinSizeLimitation() == GuiGraphicsComposition::LimitToElementAndChildren)
				{
					if (!ensuringVisibleStackItem || direction == Vertical || direction == ReversedVertical)
					{
						if (minSize.x < stackItemTotalSize.x)
						{
							minSize.x = stackItemTotalSize.x;
						}
					}
					if (!ensuringVisibleStackItem || direction == Horizontal || direction == ReversedHorizontal)
					{	
						if (minSize.y < stackItemTotalSize.y)
						{
							minSize.y = stackItemTotalSize.y;
						}
					}
				}

				vint x = 0;
				vint y = 0;
				if (extraMargin.left > 0) x += extraMargin.left;
				if (extraMargin.right > 0) x += extraMargin.right;
				if (extraMargin.top > 0) y += extraMargin.top;
				if (extraMargin.bottom > 0) y += extraMargin.bottom;
				return minSize + Size(x, y);
			}

			Rect GuiStackComposition::GetBounds()
			{
				for (vint i = 0; i < stackItems.Count(); i++)
				{
					if (stackItemBounds[i].GetSize() != stackItems[i]->GetMinSize())
					{
						UpdateStackItemBounds();
						break;
					}
				}

				Rect bounds = GuiBoundsComposition::GetBounds();
				previousBounds = bounds;
				UpdatePreviousBounds(previousBounds);
				return bounds;
			}

			Margin GuiStackComposition::GetExtraMargin()
			{
				return extraMargin;
			}

			void GuiStackComposition::SetExtraMargin(Margin value)
			{
				extraMargin=value;
				EnsureStackItemVisible();
			}

			bool GuiStackComposition::IsStackItemClipped()
			{
				Rect clientArea = GetClientArea();
				switch(direction)
				{
				case Horizontal:
				case ReversedHorizontal:
					{
						vint width = stackItemTotalSize.x
							+ (extraMargin.left > 0 ? extraMargin.left : 0)
							+ (extraMargin.right > 0 ? extraMargin.right : 0)
							;
						return width > clientArea.Width();
					}
					break;
				case Vertical:
				case ReversedVertical:
					{
						vint height = stackItemTotalSize.y
							+ (extraMargin.top > 0 ? extraMargin.top : 0)
							+ (extraMargin.bottom > 0 ? extraMargin.bottom : 0)
							;
						return height > clientArea.Height();
					}
					break;
				}
				return false;
			}

			bool GuiStackComposition::EnsureVisible(vint index)
			{
				if (0 <= index && index < stackItems.Count())
				{
					ensuringVisibleStackItem = stackItems[index];
				}
				else
				{
					ensuringVisibleStackItem = 0;
				}
				EnsureStackItemVisible();
				return ensuringVisibleStackItem != 0;
			}

/***********************************************************************
GuiStackItemComposition
***********************************************************************/

			void GuiStackItemComposition::OnParentChanged(GuiGraphicsComposition* oldParent, GuiGraphicsComposition* newParent)
			{
				GuiGraphicsSite::OnParentChanged(oldParent, newParent);
				stackParent = newParent == 0 ? 0 : dynamic_cast<GuiStackComposition*>(newParent);
			}

			Size GuiStackItemComposition::GetMinSize()
			{
				return GetBoundsInternal(bounds).GetSize();
			}

			GuiStackItemComposition::GuiStackItemComposition()
				:stackParent(0)
			{
				SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
			}

			GuiStackItemComposition::~GuiStackItemComposition()
			{
			}

			bool GuiStackItemComposition::IsSizeAffectParent()
			{
				return false;
			}

			Rect GuiStackItemComposition::GetBounds()
			{
				Rect result = bounds;
				if(stackParent)
				{
					vint index = stackParent->stackItems.IndexOf(this);
					if (index != -1)
					{
						result = stackParent->stackItemBounds[index];
					}

					Rect parentBounds = stackParent->previousBounds;
					Margin margin = stackParent->extraMargin;
					if (margin.left <= 0) margin.left = 0;
					if (margin.top <= 0) margin.top = 0;
					if (margin.right <= 0) margin.right = 0;
					if (margin.bottom <= 0) margin.bottom = 0;

					auto x = result.Left();
					auto y = result.Top();
					auto w = result.Width();
					auto h = result.Height();

					switch (stackParent->direction)
					{
					case GuiStackComposition::Horizontal:
						x += margin.left + stackParent->adjustment;
						y = margin.top;
						h = parentBounds.Height() - margin.top - margin.bottom;
						break;
					case GuiStackComposition::ReversedHorizontal:
						x = parentBounds.Width() - margin.right - x - w + stackParent->adjustment;
						y = margin.top;
						h = parentBounds.Height() - margin.top - margin.bottom;
						break;
					case GuiStackComposition::Vertical:
						x = margin.left;
						y += margin.top + stackParent->adjustment;
						w = parentBounds.Width() - margin.left - margin.right;
						break;
					case GuiStackComposition::ReversedVertical:
						x = margin.left;
						y = parentBounds.Height() - margin.bottom - y - h + stackParent->adjustment;
						w = parentBounds.Width() - margin.left - margin.right;
						break;
					}

					result = Rect(
						x - extraMargin.left,
						y - extraMargin.top,
						x + w + extraMargin.right,
						y + h + extraMargin.bottom
						);
				}
				UpdatePreviousBounds(result);
				return result;
			}

			void GuiStackItemComposition::SetBounds(Rect value)
			{
				bounds = value;
			}

			Margin GuiStackItemComposition::GetExtraMargin()
			{
				return extraMargin;
			}

			void GuiStackItemComposition::SetExtraMargin(Margin value)
			{
				extraMargin = value;
			}
		}
	}
}

/***********************************************************************
GRAPHICSCOMPOSITION\GUIGRAPHICSTABLECOMPOSITION.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace compositions
		{
			using namespace collections;
			using namespace controls;
			using namespace elements;

/***********************************************************************
GuiTableComposition
***********************************************************************/

			namespace update_cell_bounds_helpers
			{
				vint First(vint a, vint b)
				{
					return a;
				}

				vint Second(vint a, vint b)
				{
					return b;
				}

				vint X(Size s)
				{
					return s.x;
				}

				vint Y(Size s)
				{
					return s.y;
				}

				vint RL(GuiCellComposition* cell)
				{
					return cell->GetRow();
				}

				vint CL(GuiCellComposition* cell)
				{
					return cell->GetColumn();
				}

				vint RS(GuiCellComposition* cell)
				{
					return cell->GetRowSpan();
				}

				vint CS(GuiCellComposition* cell)
				{
					return cell->GetColumnSpan();
				}
			}
			using namespace update_cell_bounds_helpers;

			vint GuiTableComposition::GetSiteIndex(vint _rows, vint _columns, vint _row, vint _column)
			{
				return _row*_columns+_column;
			}

			void GuiTableComposition::SetSitedCell(vint _row, vint _column, GuiCellComposition* cell)
			{
				cellCompositions[GetSiteIndex(rows, columns, _row, _column)]=cell;
			}

			void GuiTableComposition::UpdateCellBoundsInternal(
				collections::Array<vint>& dimSizes,
				vint& dimSize,
				vint& dimSizeWithPercentage,
				collections::Array<GuiCellOption>& dimOptions,
				vint GuiTableComposition::* dim1,
				vint GuiTableComposition::* dim2,
				vint (*getSize)(Size),
				vint (*getLocation)(GuiCellComposition*),
				vint (*getSpan)(GuiCellComposition*),
				vint (*getRow)(vint, vint),
				vint (*getCol)(vint, vint),
				vint maxPass
				)
			{
				for(vint pass=0;pass<maxPass;pass++)
				{
					for(vint i=0;i<this->*dim1;i++)
					{
						GuiCellOption option=dimOptions[i];
						if(pass==0)
						{
							dimSizes[i]=0;
						}
						switch(option.composeType)
						{
						case GuiCellOption::Absolute:
							{
								dimSizes[i]=option.absolute;
							}
							break;
						case GuiCellOption::MinSize:
							{
								for(vint j=0;j<this->*dim2;j++)
								{
									GuiCellComposition* cell=GetSitedCell(getRow(i, j), getCol(i, j));
									if(cell)
									{
										bool accept=false;
										if(pass==0)
										{
											accept=getSpan(cell)==1;
										}
										else
										{
											accept=getLocation(cell)+getSpan(cell)==i+1;
										}
										if(accept)
										{
											vint size=getSize(cell->GetPreferredBounds().GetSize());
											vint span=getSpan(cell);
											for(vint k=1;k<span;k++)
											{
												size-=dimSizes[i-k]+cellPadding;
											}
											if(dimSizes[i]<size)
											{
												dimSizes[i]=size;
											}
										}
									}
								}
							}
							break;
						default:;
						}
					}
				}
				
				bool percentageExists=false;
				for(vint i=0;i<this->*dim1;i++)
				{
					GuiCellOption option=dimOptions[i];
					if(option.composeType==GuiCellOption::Percentage)
					{
						if(0.001<option.percentage)
						{
							percentageExists=true;
						}
					}
				}

				if(percentageExists)
				{
					for(vint i=0;i<this->*dim1;i++)
					{
						GuiCellOption option=dimOptions[i];
						if(option.composeType==GuiCellOption::Percentage)
						{
							if(0.001<option.percentage)
							{
								for(vint j=0;j<this->*dim2;j++)
								{
									GuiCellComposition* cell=GetSitedCell(getRow(i, j), getCol(i, j));
									if(cell)
									{
										vint size=getSize(cell->GetPreferredBounds().GetSize());
										vint start=getLocation(cell);
										vint span=getSpan(cell);
										size-=(span-1)*cellPadding;
										double totalPercentage=0;

										for(vint k=start;k<start+span;k++)
										{
											if(dimOptions[k].composeType==GuiCellOption::Percentage)
											{
												if(0.001<dimOptions[k].percentage)
												{
													totalPercentage+=dimOptions[k].percentage;
												}
											}
											else
											{
												size-=dimSizes[k];
											}
										}

										size=(vint)ceil(size*option.percentage/totalPercentage);
										if(dimSizes[i]<size)
										{
											dimSizes[i]=size;
										}
									}
								}
							}
						}
					}

					vint percentageTotalSize=0;
					for(vint i=0;i<this->*dim1;i++)
					{
						GuiCellOption option=dimOptions[i];
						if(option.composeType==GuiCellOption::Percentage)
						{
							if(0.001<option.percentage)
							{
								vint size=(vint)ceil(dimSizes[i]/option.percentage);
								if(percentageTotalSize<size)
								{
									percentageTotalSize=size;
								}
							}
						}
					}

					double totalPercentage=0;
					for(vint i=0;i<this->*dim1;i++)
					{
						GuiCellOption option=dimOptions[i];
						if(option.composeType==GuiCellOption::Percentage)
						{
							if(0.001<option.percentage)
							{
								totalPercentage+=option.percentage;
							}
						}
					}
					
					for(vint i=0;i<this->*dim1;i++)
					{
						GuiCellOption option=dimOptions[i];
						if(option.composeType==GuiCellOption::Percentage)
						{
							if(0.001<option.percentage)
							{
								vint size=(vint)ceil(percentageTotalSize*option.percentage/totalPercentage);
								if(dimSizes[i]<size)
								{
									dimSizes[i]=size;
								}
							}
						}
					}
				}

				for(vint i=0;i<this->*dim1;i++)
				{
					if(dimOptions[i].composeType!=GuiCellOption::Percentage)
					{
						dimSize+=dimSizes[i];
					}
					dimSizeWithPercentage+=dimSizes[i];
				}
			}

			void GuiTableComposition::UpdateCellBoundsPercentages(
				collections::Array<vint>& dimSizes,
				vint dimSize,
				vint maxDimSize,
				collections::Array<GuiCellOption>& dimOptions
				)
			{
				if(maxDimSize>dimSize)
				{
					double totalPercentage=0;
					vint percentageCount=0;
					for(vint i=0;i<dimOptions.Count();i++)
					{
						GuiCellOption option=dimOptions[i];
						if(option.composeType==GuiCellOption::Percentage)
						{
							totalPercentage+=option.percentage;
							percentageCount++;
						}
					}
					if(percentageCount>0 && totalPercentage>0.001)
					{
						for(vint i=0;i<dimOptions.Count();i++)
						{
							GuiCellOption option=dimOptions[i];
							if(option.composeType==GuiCellOption::Percentage)
							{
								dimSizes[i]=(vint)((maxDimSize-dimSize)*option.percentage/totalPercentage);
							}
						}
					}
				}
			}

			vint GuiTableComposition::UpdateCellBoundsOffsets(
				collections::Array<vint>& offsets,
				collections::Array<vint>& sizes,
				vint max
				)
			{
				offsets[0]=0;
				for(vint i=1;i<offsets.Count();i++)
				{
					offsets[i] = offsets[i - 1] + cellPadding + sizes[i - 1];
				}

				vint last=offsets.Count()-1;
				vint right=offsets[last]+sizes[last];
				return max-right;
			}

			void GuiTableComposition::UpdateCellBoundsInternal()
			{
				rowOffsets.Resize(rows);
				rowSizes.Resize(rows);
				columnOffsets.Resize(columns);
				columnSizes.Resize(columns);
				{
					vint rowTotal = (rows - 1)*cellPadding;
					vint columnTotal = (columns - 1)*cellPadding;
					vint rowTotalWithPercentage=rowTotal;
					vint columnTotalWithPercentage=columnTotal;

					UpdateCellBoundsInternal(
						rowSizes,
						rowTotal,
						rowTotalWithPercentage,
						rowOptions,
						&GuiTableComposition::rows,
						&GuiTableComposition::columns,
						&Y,
						&RL,
						&RS,
						&First,
						&Second,
						1
						);
					UpdateCellBoundsInternal(
						columnSizes,
						columnTotal,
						columnTotalWithPercentage,
						columnOptions,
						&GuiTableComposition::columns,
						&GuiTableComposition::rows,
						&X,
						&CL,
						&CS,
						&Second,
						&First,
						1
						);

					Rect area=GetCellArea();
					UpdateCellBoundsPercentages(rowSizes, rowTotal, area.Height(), rowOptions);
					UpdateCellBoundsPercentages(columnSizes, columnTotal, area.Width(), columnOptions);
					rowExtending=UpdateCellBoundsOffsets(rowOffsets, rowSizes, area.Height());
					columnExtending=UpdateCellBoundsOffsets(columnOffsets, columnSizes, area.Width());

					for(vint i=0;i<rows;i++)
					{
						for(vint j=0;j<columns;j++)
						{
							vint index=GetSiteIndex(rows, columns, i, j);
							cellBounds[index]=Rect(Point(columnOffsets[j], rowOffsets[i]), Size(columnSizes[j], rowSizes[i]));
						}
					}
				}
			}

			void GuiTableComposition::UpdateTableContentMinSize()
			{
				Array<vint> rowSizes, columnSizes;
				rowSizes.Resize(rows);
				columnSizes.Resize(columns);
				{
					vint rowTotal = (rows - 1) * cellPadding;
					vint columnTotal = (columns - 1) * cellPadding;
					vint rowTotalWithPercentage=rowTotal;
					vint columnTotalWithPercentage=columnTotal;

					UpdateCellBoundsInternal(
						rowSizes,
						rowTotal,
						rowTotalWithPercentage,
						rowOptions,
						&GuiTableComposition::rows,
						&GuiTableComposition::columns,
						&Y,
						&RL,
						&RS,
						&First,
						&Second,
						2
						);
					UpdateCellBoundsInternal(
						columnSizes,
						columnTotal,
						columnTotalWithPercentage,
						columnOptions,
						&GuiTableComposition::columns,
						&GuiTableComposition::rows,
						&X,
						&CL,
						&CS,
						&Second,
						&First,
						2
						);
					tableContentMinSize=Size(columnTotalWithPercentage, rowTotalWithPercentage);
				}
				if(previousContentMinSize!=tableContentMinSize)
				{
					previousContentMinSize=tableContentMinSize;
					UpdateCellBoundsInternal();
				}
			}

			void GuiTableComposition::OnRenderTargetChanged()
			{
				if(GetRenderTarget())
				{
					UpdateTableContentMinSize();
				}
			}

			GuiTableComposition::GuiTableComposition()
				:rows(0)
				, columns(0)
				, cellPadding(0)
				, borderVisible(true)
				, rowExtending(0)
				, columnExtending(0)
			{
				ConfigChanged.SetAssociatedComposition(this);
				SetRowsAndColumns(1, 1);
			}

			GuiTableComposition::~GuiTableComposition()
			{
			}

			vint GuiTableComposition::GetRows()
			{
				return rows;
			}

			vint GuiTableComposition::GetColumns()
			{
				return columns;
			}

			bool GuiTableComposition::SetRowsAndColumns(vint _rows, vint _columns)
			{
				if(_rows<=0 || _columns<=0) return false;
				rowOptions.Resize(_rows);
				columnOptions.Resize(_columns);
				cellCompositions.Resize(_rows*_columns);
				cellBounds.Resize(_rows*_columns);
				for(vint i=0;i<_rows*_columns;i++)
				{
					cellCompositions[i]=0;
					cellBounds[i]=Rect();
				}
				rows=_rows;
				columns=_columns;
				vint childCount=Children().Count();
				for(vint i=0;i<childCount;i++)
				{
					GuiCellComposition* cell=dynamic_cast<GuiCellComposition*>(Children().Get(i));
					if(cell)
					{
						cell->OnTableRowsAndColumnsChanged();
					}
				}
				ConfigChanged.Execute(GuiEventArgs(this));
				UpdateCellBounds();
				return true;
			}

			GuiCellComposition* GuiTableComposition::GetSitedCell(vint _row, vint _column)
			{
				return cellCompositions[GetSiteIndex(rows, columns, _row, _column)];
			}

			GuiCellOption GuiTableComposition::GetRowOption(vint _row)
			{
				return rowOptions[_row];
			}

			void GuiTableComposition::SetRowOption(vint _row, GuiCellOption option)
			{
				rowOptions[_row]=option;
				ConfigChanged.Execute(GuiEventArgs(this));
			}

			GuiCellOption GuiTableComposition::GetColumnOption(vint _column)
			{
				return columnOptions[_column];
			}

			void GuiTableComposition::SetColumnOption(vint _column, GuiCellOption option)
			{
				columnOptions[_column]=option;
				ConfigChanged.Execute(GuiEventArgs(this));
			}

			vint GuiTableComposition::GetCellPadding()
			{
				return cellPadding;
			}

			void GuiTableComposition::SetCellPadding(vint value)
			{
				if(value<0) value=0;
				cellPadding=value;
			}

			bool GuiTableComposition::GetBorderVisible()
			{
				return borderVisible;
			}

			void GuiTableComposition::SetBorderVisible(bool value)
			{
				if (borderVisible != value)
				{
					borderVisible = value;
					UpdateCellBounds();
				}
			}

			Rect GuiTableComposition::GetCellArea()
			{
				Rect bounds(Point(0, 0), GuiBoundsComposition::GetBounds().GetSize());
				vint borderThickness = borderVisible ? cellPadding : 0;
				bounds.x1 += margin.left + internalMargin.left + borderThickness;
				bounds.y1 += margin.top + internalMargin.top + borderThickness;
				bounds.x2 -= margin.right + internalMargin.right + borderThickness;
				bounds.y2 -= margin.bottom + internalMargin.bottom + borderThickness;
				if (bounds.x2 < bounds.x1) bounds.x2 = bounds.x1;
				if (bounds.y2 < bounds.y1) bounds.y2 = bounds.y1;
				return bounds;
			}

			void GuiTableComposition::UpdateCellBounds()
			{
				UpdateCellBoundsInternal();
				UpdateTableContentMinSize();
			}

			void GuiTableComposition::ForceCalculateSizeImmediately()
			{
				GuiBoundsComposition::ForceCalculateSizeImmediately();
				UpdateCellBounds();
				UpdateCellBounds();
			}

			Size GuiTableComposition::GetMinPreferredClientSize()
			{
				vint offset = (borderVisible ? 2 * cellPadding : 0);
				return Size(tableContentMinSize.x + offset, tableContentMinSize.y + offset);
			}

			Rect GuiTableComposition::GetBounds()
			{
				Rect result;
				if(!IsAlignedToParent() && GetMinSizeLimitation()!=GuiGraphicsComposition::NoLimit)
				{
					result=Rect(compositionBounds.LeftTop(), compositionBounds.GetSize()-Size(columnExtending, rowExtending));
				}
				else
				{
					result=GuiBoundsComposition::GetBounds();
				}

				bool cellMinSizeModified=false;
				SortedList<GuiCellComposition*> cells;
				FOREACH(GuiCellComposition*, cell, cellCompositions)
				{
					if(cell && !cells.Contains(cell))
					{
						cells.Add(cell);
						Size newSize=cell->GetPreferredBounds().GetSize();
						if(cell->lastPreferredSize!=newSize)
						{
							cell->lastPreferredSize=newSize;
							cellMinSizeModified=true;
						}
					}
				}

				if(previousBounds!=result || cellMinSizeModified)
				{
					previousBounds=result;
					UpdateCellBounds();
				}
				return result;
			}

/***********************************************************************
GuiCellComposition
***********************************************************************/

			void GuiCellComposition::ClearSitedCells(GuiTableComposition* table)
			{
				if(row!=-1 && column!=-1)
				{
					for(vint r=0;r<rowSpan;r++)
					{
						for(vint c=0;c<columnSpan;c++)
						{
							table->SetSitedCell(row+r, column+c, 0);
						}
					}
				}
			}

			void GuiCellComposition::SetSitedCells(GuiTableComposition* table)
			{
				for(vint r=0;r<rowSpan;r++)
				{
					for(vint c=0;c<columnSpan;c++)
					{
						table->SetSitedCell(row+r, column+c, this);
					}
				}
			}

			void GuiCellComposition::ResetSiteInternal()
			{
				row=-1;
				column=-1;
				rowSpan=1;
				columnSpan=1;
			}

			bool GuiCellComposition::SetSiteInternal(vint _row, vint _column, vint _rowSpan, vint _columnSpan)
			{
				if (tableParent)
				{
					if(_row<0 || _row>=tableParent->rows || _column<0 || _column>=tableParent->columns) return false;
					if(_rowSpan<1 || _row+_rowSpan>tableParent->rows || _columnSpan<1 || _column+_columnSpan>tableParent->columns) return false;

					for(vint r=0;r<_rowSpan;r++)
					{
						for(vint c=0;c<_columnSpan;c++)
						{
							GuiCellComposition* cell=tableParent->GetSitedCell(_row+r, _column+c);
							if(cell && cell!=this)
							{
								return false;
							}
						}
					}
					ClearSitedCells(tableParent);
				}

				row=_row;
				column=_column;
				rowSpan=_rowSpan;
				columnSpan=_columnSpan;

				if (tableParent)
				{
					SetSitedCells(tableParent);
				}
				return true;
			}

			void GuiCellComposition::OnParentChanged(GuiGraphicsComposition* oldParent, GuiGraphicsComposition* newParent)
			{
				GuiGraphicsSite::OnParentChanged(oldParent, newParent);
				if(tableParent)
				{
					ClearSitedCells(tableParent);
				}
				tableParent=dynamic_cast<GuiTableComposition*>(newParent);
				if(!tableParent || !SetSiteInternal(row, column, rowSpan, columnSpan))
				{
					ResetSiteInternal();
				}
				if(tableParent)
				{
					if (row != -1 && column != -1)
					{
						SetSiteInternal(row, column, rowSpan, columnSpan);
					}
					tableParent->UpdateCellBounds();
				}
			}

			void GuiCellComposition::OnTableRowsAndColumnsChanged()
			{
				if(!SetSiteInternal(row, column, rowSpan, columnSpan))
				{
					ResetSiteInternal();
				}
			}

			GuiCellComposition::GuiCellComposition()
				:row(-1)
				,column(-1)
				,rowSpan(1)
				,columnSpan(1)
				,tableParent(0)
			{
				SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
			}

			GuiCellComposition::~GuiCellComposition()
			{
			}

			GuiTableComposition* GuiCellComposition::GetTableParent()
			{
				return tableParent;
			}

			vint GuiCellComposition::GetRow()
			{
				return row;
			}

			vint GuiCellComposition::GetRowSpan()
			{
				return rowSpan;
			}

			vint GuiCellComposition::GetColumn()
			{
				return column;
			}

			vint GuiCellComposition::GetColumnSpan()
			{
				return columnSpan;
			}

			bool GuiCellComposition::SetSite(vint _row, vint _column, vint _rowSpan, vint _columnSpan)
			{
				if(SetSiteInternal(_row, _column, _rowSpan, _columnSpan))
				{
					if (tableParent)
					{
						tableParent->UpdateCellBounds();
					}
					return true;
				}
				else
				{
					return false;
				}
			}

			Rect GuiCellComposition::GetBounds()
			{
				Rect result;
				if(tableParent && row!=-1 && column!=-1)
				{
					Rect bounds1, bounds2;
					{
						vint index=tableParent->GetSiteIndex(tableParent->rows, tableParent->columns, row, column);
						bounds1=tableParent->cellBounds[index];
					}
					{
						vint index=tableParent->GetSiteIndex(tableParent->rows, tableParent->columns, row+rowSpan-1, column+columnSpan-1);
						bounds2=tableParent->cellBounds[index];
						if(tableParent->GetMinSizeLimitation()==GuiGraphicsComposition::NoLimit)
						{
							if(row+rowSpan==tableParent->rows)
							{
								bounds2.y2+=tableParent->rowExtending;
							}
							if(column+columnSpan==tableParent->columns)
							{
								bounds2.x2+=tableParent->columnExtending;
							}
						}
					}
					vint offset = tableParent->borderVisible ? tableParent->cellPadding : 0;
					result = Rect(bounds1.x1 + offset, bounds1.y1 + offset, bounds2.x2 + offset, bounds2.y2 + offset);
				}
				else
				{
					result = Rect();
				}
				UpdatePreviousBounds(result);
				return result;
			}

/***********************************************************************
GuiTableSplitterCompositionBase
***********************************************************************/

			void GuiTableSplitterCompositionBase::OnParentChanged(GuiGraphicsComposition* oldParent, GuiGraphicsComposition* newParent)
			{
				GuiGraphicsSite::OnParentChanged(oldParent, newParent);
				tableParent = dynamic_cast<GuiTableComposition*>(newParent);
			}

			void GuiTableSplitterCompositionBase::OnLeftButtonDown(GuiGraphicsComposition* sender, GuiMouseEventArgs& arguments)
			{
				dragging = true;
				draggingPoint = Point(arguments.x, arguments.y);
			}

			void GuiTableSplitterCompositionBase::OnLeftButtonUp(GuiGraphicsComposition* sender, GuiMouseEventArgs& arguments)
			{
				dragging = false;
			}

			void GuiTableSplitterCompositionBase::OnMouseMoveHelper(
				vint cellsBefore,
				vint GuiTableComposition::* cells,
				collections::Array<vint>& cellSizes,
				vint offset,
				GuiCellOption(GuiTableComposition::*getOption)(vint),
				void(GuiTableComposition::*setOption)(vint, GuiCellOption)
				)
			{
				if (dragging)
				{
					if (tableParent)
					{
						if (0 < cellsBefore && cellsBefore < tableParent->*cells)
						{
							auto o1 = (tableParent->*getOption)(cellsBefore - 1);
							auto o2 = (tableParent->*getOption)(cellsBefore);

							vint indexStart = -1;
							vint indexEnd = -1;
							vint indexStep = -1;
							vint max = 0;

							if (offset < 0)
							{
								indexStart = cellsBefore - 1;
								indexEnd = -1;
								indexStep = -1;
							}
							else if (offset > 0)
							{
								indexStart = cellsBefore;
								indexEnd = tableParent->*cells;
								indexStep = 1;
							}
							else
							{
								return;
							}

							{
								auto o = (tableParent->*getOption)(indexStart);
								if (o.composeType == GuiCellOption::Absolute)
								{
									max = o.absolute - 1;
								}
								else
								{
									for (vint i = indexStart; i != indexEnd; i += indexStep)
									{
										o = (tableParent->*getOption)(i);
										if (o.composeType == GuiCellOption::Absolute)
										{
											break;
										}
										else if (o.composeType == GuiCellOption::Percentage)
										{
											max += cellSizes[i] - 1;
										}
									}
								}

								if (max <= 0)
								{
									return;
								}
							}

							if (offset < 0)
							{
								if (max < -offset)
								{
									offset = -max;
								}
							}
							else
							{
								if (max < offset)
								{
									offset = max;
								}
							}

							if (o1.composeType == GuiCellOption::Absolute)
							{
								o1.absolute += offset;
								(tableParent->*setOption)(cellsBefore - 1, o1);
							}
							if (o2.composeType == GuiCellOption::Absolute)
							{
								o2.absolute -= offset;
								(tableParent->*setOption)(cellsBefore, o2);
							}
							tableParent->ForceCalculateSizeImmediately();
						}
					}
				}
			}

			Rect GuiTableSplitterCompositionBase::GetBoundsHelper(
				vint cellsBefore,
				vint GuiTableComposition::* cells,
				vint(Rect::* dimSize)()const,
				collections::Array<vint>& cellOffsets,
				vint Rect::* dimU1,
				vint Rect::* dimU2,
				vint Rect::* dimV1,
				vint Rect::* dimV2
				)
			{
				Rect result(0, 0, 0, 0);
				if (tableParent)
				{
					if (0 < cellsBefore && cellsBefore < tableParent->*cells)
					{
						vint offset = tableParent->borderVisible ? tableParent->cellPadding : 0;
						result.*dimU1 = offset;
						result.*dimU2 = offset + (tableParent->GetCellArea().*dimSize)();
						result.*dimV1 = offset + cellOffsets[cellsBefore] - tableParent->cellPadding;
						result.*dimV2 = (result.*dimV1) + tableParent->cellPadding;
					}
				}
				UpdatePreviousBounds(result);
				return result;
			}
			
			GuiTableSplitterCompositionBase::GuiTableSplitterCompositionBase()
				:tableParent(0)
				, dragging(false)
			{
				SetAssociatedCursor(GetCurrentController()->ResourceService()->GetSystemCursor(INativeCursor::SizeNS));
				GetEventReceiver()->leftButtonDown.AttachMethod(this, &GuiTableSplitterCompositionBase::OnLeftButtonDown);
				GetEventReceiver()->leftButtonUp.AttachMethod(this, &GuiTableSplitterCompositionBase::OnLeftButtonUp);
			}

			GuiTableSplitterCompositionBase::~GuiTableSplitterCompositionBase()
			{
			}

			GuiTableComposition* GuiTableSplitterCompositionBase::GetTableParent()
			{
				return tableParent;
			}

/***********************************************************************
GuiRowSplitterComposition
***********************************************************************/

			void GuiRowSplitterComposition::OnMouseMove(GuiGraphicsComposition* sender, GuiMouseEventArgs& arguments)
			{
				OnMouseMoveHelper(
					rowsToTheTop,
					&GuiTableComposition::rows,
					tableParent->rowSizes,
					arguments.y - draggingPoint.y,
					&GuiTableComposition::GetRowOption,
					&GuiTableComposition::SetRowOption
					);
			}
			
			GuiRowSplitterComposition::GuiRowSplitterComposition()
				:rowsToTheTop(0)
			{
				SetAssociatedCursor(GetCurrentController()->ResourceService()->GetSystemCursor(INativeCursor::SizeNS));
				GetEventReceiver()->mouseMove.AttachMethod(this, &GuiRowSplitterComposition::OnMouseMove);
			}

			GuiRowSplitterComposition::~GuiRowSplitterComposition()
			{
			}

			vint GuiRowSplitterComposition::GetRowsToTheTop()
			{
				return rowsToTheTop;
			}

			void GuiRowSplitterComposition::SetRowsToTheTop(vint value)
			{
				rowsToTheTop = value;
			}

			Rect GuiRowSplitterComposition::GetBounds()
			{
				return GetBoundsHelper(
					rowsToTheTop,
					&GuiTableComposition::rows,
					&Rect::Width,
					tableParent->rowOffsets,
					&Rect::x1,
					&Rect::x2,
					&Rect::y1,
					&Rect::y2
					);
			}

/***********************************************************************
GuiColumnSplitterComposition
***********************************************************************/

			void GuiColumnSplitterComposition::OnMouseMove(GuiGraphicsComposition* sender, GuiMouseEventArgs& arguments)
			{
				OnMouseMoveHelper(
					columnsToTheLeft,
					&GuiTableComposition::columns,
					tableParent->columnSizes,
					arguments.x - draggingPoint.x,
					&GuiTableComposition::GetColumnOption,
					&GuiTableComposition::SetColumnOption
					);
			}
			
			GuiColumnSplitterComposition::GuiColumnSplitterComposition()
				:columnsToTheLeft(0)
			{
				SetAssociatedCursor(GetCurrentController()->ResourceService()->GetSystemCursor(INativeCursor::SizeWE));
				GetEventReceiver()->mouseMove.AttachMethod(this, &GuiColumnSplitterComposition::OnMouseMove);
			}

			GuiColumnSplitterComposition::~GuiColumnSplitterComposition()
			{
			}

			vint GuiColumnSplitterComposition::GetColumnsToTheLeft()
			{
				return columnsToTheLeft;
			}

			void GuiColumnSplitterComposition::SetColumnsToTheLeft(vint value)
			{
				columnsToTheLeft = value;
			}

			Rect GuiColumnSplitterComposition::GetBounds()
			{
				return GetBoundsHelper(
					columnsToTheLeft,
					&GuiTableComposition::columns,
					&Rect::Height,
					tableParent->columnOffsets,
					&Rect::y1,
					&Rect::y2,
					&Rect::x1,
					&Rect::x2
					);
			}
		}
	}
}

/***********************************************************************
GRAPHICSELEMENT\GUIGRAPHICSDOCUMENTELEMENT.CPP
***********************************************************************/

namespace vl
{
	using namespace collections;

	namespace presentation
	{
		namespace elements
		{

/***********************************************************************
SetPropertiesVisitor
***********************************************************************/

			namespace visitors
			{
				class SetPropertiesVisitor : public Object, public DocumentRun::IVisitor
				{
					typedef GuiDocumentElement::GuiDocumentElementRenderer	Renderer;
					typedef DocumentModel::ResolvedStyle					ResolvedStyle;
				public:
					vint							start;
					vint							length;
					vint							selectionBegin;
					vint							selectionEnd;
					List<ResolvedStyle>				styles;

					DocumentModel*					model;
					Renderer*						renderer;
					Ptr<Renderer::ParagraphCache>	cache;
					IGuiGraphicsParagraph*			paragraph;

					SetPropertiesVisitor(DocumentModel* _model, Renderer* _renderer, Ptr<Renderer::ParagraphCache> _cache, vint _selectionBegin, vint _selectionEnd)
						:start(0)
						,length(0)
						,model(_model)
						,renderer(_renderer)
						,cache(_cache)
						,paragraph(_cache->graphicsParagraph.Obj())
						,selectionBegin(_selectionBegin)
						,selectionEnd(_selectionEnd)
					{
						ResolvedStyle style;
						style=model->GetStyle(DocumentModel::DefaultStyleName, style);
						styles.Add(style);
					}

					void VisitContainer(DocumentContainerRun* run)
					{
						FOREACH(Ptr<DocumentRun>, subRun, run->runs)
						{
							subRun->Accept(this);
						}
					}

					void ApplyStyle(vint start, vint length, const ResolvedStyle& style)
					{
						paragraph->SetFont(start, length, style.style.fontFamily);
						paragraph->SetSize(start, length, style.style.size);
						paragraph->SetStyle(start, length, 
							(IGuiGraphicsParagraph::TextStyle)
							( (style.style.bold?IGuiGraphicsParagraph::Bold:0)
							| (style.style.italic?IGuiGraphicsParagraph::Italic:0)
							| (style.style.underline?IGuiGraphicsParagraph::Underline:0)
							| (style.style.strikeline?IGuiGraphicsParagraph::Strikeline:0)
							));
					}

					void ApplyColor(vint start, vint length, const ResolvedStyle& style)
					{
						paragraph->SetColor(start, length, style.color);
						paragraph->SetBackgroundColor(start, length, style.backgroundColor);
					}

					void Visit(DocumentTextRun* run)override
					{
						length=run->GetRepresentationText().Length();
						if(length>0)
						{
							ResolvedStyle style=styles[styles.Count()-1];
							ApplyStyle(start, length, style);
							ApplyColor(start, length, style);

							vint styleStart=start;
							vint styleEnd=styleStart+length;
							if(styleStart<selectionEnd && selectionBegin<styleEnd)
							{
								vint s2=styleStart>selectionBegin?styleStart:selectionBegin;
								vint s3=selectionEnd<styleEnd?selectionEnd:styleEnd;

								if(s2<s3)
								{
									ResolvedStyle selectionStyle=model->GetStyle(DocumentModel::SelectionStyleName, style);
									ApplyColor(s2, s3-s2, selectionStyle);
								}
							}
						}
						start+=length;
					}

					void Visit(DocumentStylePropertiesRun* run)override
					{
						ResolvedStyle style=styles[styles.Count()-1];
						style=model->GetStyle(run->style, style);
						styles.Add(style);
						VisitContainer(run);
						styles.RemoveAt(styles.Count()-1);
					}

					void Visit(DocumentStyleApplicationRun* run)override
					{
						ResolvedStyle style=styles[styles.Count()-1];
						style=model->GetStyle(run->styleName, style);
						styles.Add(style);
						VisitContainer(run);
						styles.RemoveAt(styles.Count()-1);
					}

					void Visit(DocumentHyperlinkRun* run)override
					{
						ResolvedStyle style=styles[styles.Count()-1];
						style=model->GetStyle(run->styleName, style);
						styles.Add(style);
						VisitContainer(run);
						styles.RemoveAt(styles.Count()-1);
					}

					void Visit(DocumentImageRun* run)override
					{
						length=run->GetRepresentationText().Length();

						Ptr<GuiImageFrameElement> element=GuiImageFrameElement::Create();
						element->SetImage(run->image, run->frameIndex);
						element->SetStretch(true);

						IGuiGraphicsParagraph::InlineObjectProperties properties;
						properties.size=run->size;
						properties.baseline=run->baseline;
						properties.breakCondition=IGuiGraphicsParagraph::Alone;
						properties.backgroundImage = element;

						paragraph->SetInlineObject(start, length, properties);

						if(start<selectionEnd && selectionBegin<start+length)
						{
							ResolvedStyle style=styles[styles.Count()-1];
							ResolvedStyle selectionStyle=model->GetStyle(DocumentModel::SelectionStyleName, style);
							ApplyColor(start, length, selectionStyle);
						}
						start+=length;
					}

					void Visit(DocumentEmbeddedObjectRun* run)override
					{
						length=run->GetRepresentationText().Length();

						IGuiGraphicsParagraph::InlineObjectProperties properties;
						properties.breakCondition=IGuiGraphicsParagraph::Alone;

						if (run->name != L"")
						{
							vint index = renderer->nameCallbackIdMap.Keys().IndexOf(run->name);
							if (index != -1)
							{
								auto id = renderer->nameCallbackIdMap.Values()[index];
								index = cache->embeddedObjects.Keys().IndexOf(id);
								if (index != -1)
								{
									auto eo = cache->embeddedObjects.Values()[index];
									if (eo->start == start)
									{
										properties.size = eo->size;
										properties.callbackId = id;
									}
								}
							}
							else
							{
								auto eo = MakePtr<Renderer::EmbeddedObject>();
								eo->name = run->name;
								eo->size = Size(0, 0);
								eo->start = start;

								vint id = -1;
								vint count = renderer->freeCallbackIds.Count();
								if (count > 0)
								{
									id = renderer->freeCallbackIds[count - 1];
									renderer->freeCallbackIds.RemoveAt(count - 1);
								}
								else
								{
									id = renderer->usedCallbackIds++;
								}

								renderer->nameCallbackIdMap.Add(eo->name, id);
								cache->embeddedObjects.Add(id, eo);
								properties.callbackId = id;
							}
						}

						paragraph->SetInlineObject(start, length, properties);

						if(start<selectionEnd && selectionBegin<start+length)
						{
							ResolvedStyle style=styles[styles.Count()-1];
							ResolvedStyle selectionStyle=model->GetStyle(DocumentModel::SelectionStyleName, style);
							ApplyColor(start, length, selectionStyle);
						}
						start+=length;
					}

					void Visit(DocumentParagraphRun* run)override
					{
						VisitContainer(run);
					}

					static vint SetProperty(DocumentModel* model, Renderer* renderer, Ptr<Renderer::ParagraphCache> cache, Ptr<DocumentParagraphRun> run, vint selectionBegin, vint selectionEnd)
					{
						SetPropertiesVisitor visitor(model, renderer, cache, selectionBegin, selectionEnd);
						run->Accept(&visitor);
						return visitor.length;
					}
				};
			}
			using namespace visitors;

/***********************************************************************
GuiDocumentElement::GuiDocumentElementRenderer
***********************************************************************/

			Size GuiDocumentElement::GuiDocumentElementRenderer::OnRenderInlineObject(vint callbackId, Rect location)
			{
				if (element->callback)
				{
					auto cache = paragraphCaches[renderingParagraph];
					auto relativeLocation = Rect(Point(location.x1 + renderingParagraphOffset.x, location.y1 + renderingParagraphOffset.y), location.GetSize());
					auto eo = cache->embeddedObjects[callbackId];
					auto size = element->callback->OnRenderEmbeddedObject(eo->name, relativeLocation);
					eo->resized = eo->size != size;
					eo->size = size;
					return eo->size;
				}
				else
				{
					return Size();
				}
			}

			void GuiDocumentElement::GuiDocumentElementRenderer::InitializeInternal()
			{
			}

			void GuiDocumentElement::GuiDocumentElementRenderer::FinalizeInternal()
			{
			}

			void GuiDocumentElement::GuiDocumentElementRenderer::RenderTargetChangedInternal(IGuiGraphicsRenderTarget* oldRenderTarget, IGuiGraphicsRenderTarget* newRenderTarget)
			{
				for(vint i=0;i<paragraphCaches.Count();i++)
				{
					ParagraphCache* cache=paragraphCaches[i].Obj();
					if(cache)
					{
						cache->graphicsParagraph=0;
					}
				}
			}

			Ptr<GuiDocumentElement::GuiDocumentElementRenderer::ParagraphCache> GuiDocumentElement::GuiDocumentElementRenderer::EnsureAndGetCache(vint paragraphIndex, bool createParagraph)
			{
				if(paragraphIndex<0 || paragraphIndex>=paragraphCaches.Count()) return 0;
				Ptr<DocumentParagraphRun> paragraph=element->document->paragraphs[paragraphIndex];
				Ptr<ParagraphCache> cache=paragraphCaches[paragraphIndex];
				if(!cache)
				{
					cache=new ParagraphCache;
					cache->fullText=paragraph->GetText(false);
					paragraphCaches[paragraphIndex]=cache;
				}

				if(createParagraph)
				{
					if(!cache->graphicsParagraph)
					{
						cache->graphicsParagraph=layoutProvider->CreateParagraph(cache->fullText, renderTarget, this);
						cache->graphicsParagraph->SetParagraphAlignment(paragraph->alignment ? paragraph->alignment.Value() : Alignment::Left);
						SetPropertiesVisitor::SetProperty(element->document.Obj(), this, cache, paragraph, cache->selectionBegin, cache->selectionEnd);
					}
					if(cache->graphicsParagraph->GetMaxWidth()!=lastMaxWidth)
					{
						cache->graphicsParagraph->SetMaxWidth(lastMaxWidth);
					}

					vint paragraphHeight=paragraphHeights[paragraphIndex];
					vint height=cache->graphicsParagraph->GetHeight();
					if(paragraphHeight!=height)
					{
						cachedTotalHeight+=height-paragraphHeight;
						paragraphHeight=height;
						paragraphHeights[paragraphIndex]=paragraphHeight;
						minSize=Size(0, cachedTotalHeight);
					}
				}

				return cache;
			}

			bool GuiDocumentElement::GuiDocumentElementRenderer::GetParagraphIndexFromPoint(Point point, vint& top, vint& index)
			{
				vint y=0;
				for(vint i=0;i<paragraphHeights.Count();i++)
				{
					vint paragraphHeight=paragraphHeights[i];
					vint nextY=y+paragraphHeight+paragraphDistance;
					top=y;
					index=i;

					if(nextY<=point.y)
					{
						y=nextY;
						continue;
					}
					else
					{
						break;
					}
				}
				return true;
			}

			GuiDocumentElement::GuiDocumentElementRenderer::GuiDocumentElementRenderer()
				:paragraphDistance(0)
				,lastMaxWidth(-1)
				,cachedTotalHeight(0)
				,layoutProvider(GetGuiGraphicsResourceManager()->GetLayoutProvider())
				,lastCaret(-1, -1)
				,lastCaretFrontSide(false)
			{
			}

			void GuiDocumentElement::GuiDocumentElementRenderer::Render(Rect bounds)
			{
				if (element->callback)
				{
					element->callback->OnStartRender();
				}
				renderTarget->PushClipper(bounds);
				if(!renderTarget->IsClipperCoverWholeTarget())
				{
					vint maxWidth=bounds.Width();
					Rect clipper=renderTarget->GetClipper();
					vint cx=bounds.Left();
					vint cy=bounds.Top();
					vint y1=clipper.Top()-bounds.Top();
					vint y2=y1+clipper.Height();
					vint y=0;

					lastMaxWidth=maxWidth;

					for(vint i=0;i<paragraphHeights.Count();i++)
					{
						vint paragraphHeight=paragraphHeights[i];
						if(y+paragraphHeight<=y1)
						{
							y+=paragraphHeight+paragraphDistance;
							continue;
						}
						else if(y>=y2)
						{
							break;
						}
						else
						{
							Ptr<DocumentParagraphRun> paragraph=element->document->paragraphs[i];
							Ptr<ParagraphCache> cache=paragraphCaches[i];
							bool created=cache && cache->graphicsParagraph;
							cache=EnsureAndGetCache(i, true);
							if(!created && i==lastCaret.row && element->caretVisible)
							{
								cache->graphicsParagraph->OpenCaret(lastCaret.column, lastCaretColor, lastCaretFrontSide);
							}

							paragraphHeight=cache->graphicsParagraph->GetHeight();

							renderingParagraph = i;
							renderingParagraphOffset = Point(cx - bounds.x1, cy + y - bounds.y1);
							cache->graphicsParagraph->Render(Rect(Point(cx, cy+y), Size(maxWidth, paragraphHeight)));
							renderingParagraph = -1;

							bool resized = false;
							for (vint j = 0; j < cache->embeddedObjects.Count(); j++)
							{
								auto eo = cache->embeddedObjects.Values()[j];
								if (eo->resized)
								{
									eo->resized = false;
									resized = true;
								}
							}

							if (resized)
							{
								cache->graphicsParagraph = 0;
							}
						}

						y+=paragraphHeight+paragraphDistance;
					}
				}
				renderTarget->PopClipper();
				if (element->callback)
				{
					element->callback->OnFinishRender();
				}
			}

			void GuiDocumentElement::GuiDocumentElementRenderer::OnElementStateChanged()
			{
				if (element->document && element->document->paragraphs.Count() > 0)
				{
					vint defaultSize = GetCurrentController()->ResourceService()->GetDefaultFont().size;
					paragraphDistance = defaultSize;
					vint defaultHeight = defaultSize;

					paragraphCaches.Resize(element->document->paragraphs.Count());
					paragraphHeights.Resize(element->document->paragraphs.Count());
					
					for (vint i = 0; i < paragraphCaches.Count(); i++)
					{
						paragraphCaches[i] = 0;
					}
					for (vint i = 0; i < paragraphHeights.Count(); i++)
					{
						paragraphHeights[i] = defaultHeight;
					}

					cachedTotalHeight = paragraphHeights.Count() * (defaultHeight + paragraphDistance);
					if (paragraphHeights.Count()>0)
					{
						cachedTotalHeight -= paragraphDistance;
					}
					minSize = Size(0, cachedTotalHeight);
				}
				else
				{
					paragraphCaches.Resize(0);
					paragraphHeights.Resize(0);
					cachedTotalHeight = 0;
					minSize = Size(0, 0);
				}

				nameCallbackIdMap.Clear();
				freeCallbackIds.Clear();
				usedCallbackIds = 0;
			}

			void GuiDocumentElement::GuiDocumentElementRenderer::NotifyParagraphUpdated(vint index, vint oldCount, vint newCount, bool updatedText)
			{
				if (0 <= index && index < paragraphCaches.Count() && 0 <= oldCount && index + oldCount <= paragraphCaches.Count() && 0 <= newCount)
				{
					vint paragraphCount = element->document->paragraphs.Count();
					CHECK_ERROR(updatedText || oldCount == newCount, L"GuiDocumentlement::GuiDocumentElementRenderer::NotifyParagraphUpdated(vint, vint, vint, bool)#Illegal values of oldCount and newCount.");
					CHECK_ERROR(paragraphCount - paragraphCaches.Count() == newCount - oldCount, L"GuiDocumentElement::GuiDocumentElementRenderer::NotifyParagraphUpdated(vint, vint, vint, bool)#Illegal values of oldCount and newCount.");

					ParagraphCacheArray oldCaches;
					CopyFrom(oldCaches, paragraphCaches);
					paragraphCaches.Resize(paragraphCount);

					ParagraphHeightArray oldHeights;
					CopyFrom(oldHeights, paragraphHeights);
					paragraphHeights.Resize(paragraphCount);

					vint defaultHeight = GetCurrentController()->ResourceService()->GetDefaultFont().size;
					cachedTotalHeight = 0;

					for (vint i = 0; i < paragraphCount; i++)
					{
						if (i < index)
						{
							paragraphCaches[i] = oldCaches[i];
							paragraphHeights[i] = oldHeights[i];
						}
						else if (i < index + newCount)
						{
							paragraphCaches[i] = 0;
							paragraphHeights[i] = defaultHeight;
							if (!updatedText && i < index + oldCount)
							{
								auto cache = oldCaches[i];
								if(cache)
								{
									cache->graphicsParagraph = 0;
								}
								paragraphCaches[i] = cache;
							}
						}
						else
						{
							paragraphCaches[i] = oldCaches[i - (newCount - oldCount)];
							paragraphHeights[i] = oldHeights[i - (newCount - oldCount)];
						}
						cachedTotalHeight += paragraphHeights[i] + paragraphDistance;
					}
					if (paragraphCount > 0)
					{
						cachedTotalHeight -= paragraphDistance;
					}

					if (updatedText)
					{
						vint count = oldCount < newCount ? oldCount : newCount;
						for (vint i = 0; i < count; i++)
						{
							if (auto cache = oldCaches[index + i])
							{
								for (vint j = 0; j < cache->embeddedObjects.Count(); j++)
								{
									auto id = cache->embeddedObjects.Keys()[j];
									auto name = cache->embeddedObjects.Values()[j]->name;
									nameCallbackIdMap.Remove(name);
									freeCallbackIds.Add(id);
								}
							}
						}
					}
				}
			}

			Ptr<DocumentHyperlinkRun> GuiDocumentElement::GuiDocumentElementRenderer::GetHyperlinkFromPoint(Point point)
			{
				vint top=0;
				vint index=-1;
				if(GetParagraphIndexFromPoint(point, top, index))
				{
					Ptr<ParagraphCache> cache=EnsureAndGetCache(index, true);
					Point paragraphPoint(point.x, point.y-top);

					vint start=-1;
					vint length=0;
					if(cache->graphicsParagraph->GetInlineObjectFromPoint(paragraphPoint, start, length))
					{
						return element->document->GetHyperlink(index, start, start+length);
					}

					vint caret=cache->graphicsParagraph->GetCaretFromPoint(paragraphPoint);
					return element->document->GetHyperlink(index, caret, caret);
				}
				return 0;
			}

			void GuiDocumentElement::GuiDocumentElementRenderer::OpenCaret(TextPos caret, Color color, bool frontSide)
			{
				CloseCaret(caret);
				lastCaret=caret;
				lastCaretColor=color;
				lastCaretFrontSide=frontSide;

				Ptr<ParagraphCache> cache=paragraphCaches[lastCaret.row];
				if(cache && cache->graphicsParagraph)
				{
					cache->graphicsParagraph->OpenCaret(lastCaret.column, lastCaretColor, lastCaretFrontSide);
				}
			}

			void GuiDocumentElement::GuiDocumentElementRenderer::CloseCaret(TextPos caret)
			{
				if(lastCaret!=TextPos(-1, -1))
				{
					if(0<=lastCaret.row && lastCaret.row<paragraphCaches.Count())
					{
						Ptr<ParagraphCache> cache=paragraphCaches[lastCaret.row];
						if(cache && cache->graphicsParagraph)
						{
							cache->graphicsParagraph->CloseCaret();
						}
					}
				}
				lastCaret=caret;
			}

			void GuiDocumentElement::GuiDocumentElementRenderer::SetSelection(TextPos begin, TextPos end)
			{
				if(begin>end)
				{
					TextPos t=begin;
					begin=end;
					end=t;
				}
				if(begin==end)
				{
					begin=TextPos(-1, -1);
					end=TextPos(-1, -1);
				}

				for(vint i=0;i<paragraphCaches.Count();i++)
				{
					if(begin.row<=i && i<=end.row)
					{
						Ptr<ParagraphCache> cache=EnsureAndGetCache(i, false);
						vint newBegin=i==begin.row?begin.column:0;
						vint newEnd=i==end.row?end.column:cache->fullText.Length();

						if(cache->selectionBegin!=newBegin || cache->selectionEnd!=newEnd)
						{
							cache->selectionBegin=newBegin;
							cache->selectionEnd=newEnd;
							NotifyParagraphUpdated(i, 1, 1, false);
						}
					}
					else
					{
						Ptr<ParagraphCache> cache=paragraphCaches[i];
						if(cache)
						{
							if(cache->selectionBegin!=-1 || cache->selectionEnd!=-1)
							{
								cache->selectionBegin=-1;
								cache->selectionEnd=-1;
								NotifyParagraphUpdated(i, 1, 1, false);
							}
						}
					}
				}
			}

			TextPos GuiDocumentElement::GuiDocumentElementRenderer::CalculateCaret(TextPos comparingCaret, IGuiGraphicsParagraph::CaretRelativePosition position, bool& preferFrontSide)
			{
				Ptr<ParagraphCache> cache=EnsureAndGetCache(comparingCaret.row, true);
				if(cache)
				{
					switch(position)
					{
					case IGuiGraphicsParagraph::CaretFirst:
						{
							preferFrontSide=false;
							vint caret=cache->graphicsParagraph->GetCaret(0, IGuiGraphicsParagraph::CaretFirst, preferFrontSide);
							return TextPos(comparingCaret.row, caret);
						}
					case IGuiGraphicsParagraph::CaretLast:
						{
							preferFrontSide=true;
							vint caret=cache->graphicsParagraph->GetCaret(0, IGuiGraphicsParagraph::CaretLast, preferFrontSide);
							return TextPos(comparingCaret.row, caret);
						}
					case IGuiGraphicsParagraph::CaretLineFirst:
						{
							preferFrontSide=false;
							vint caret=cache->graphicsParagraph->GetCaret(comparingCaret.column, IGuiGraphicsParagraph::CaretLineFirst, preferFrontSide);
							return TextPos(comparingCaret.row, caret);
						}
					case IGuiGraphicsParagraph::CaretLineLast:
						{
							preferFrontSide=true;
							vint caret=cache->graphicsParagraph->GetCaret(comparingCaret.column, IGuiGraphicsParagraph::CaretLineLast, preferFrontSide);
							return TextPos(comparingCaret.row, caret);
						}
					case IGuiGraphicsParagraph::CaretMoveUp:
						{
							vint caret=cache->graphicsParagraph->GetCaret(comparingCaret.column, IGuiGraphicsParagraph::CaretMoveUp, preferFrontSide);
							if(caret==comparingCaret.column && comparingCaret.row>0)
							{
								Rect caretBounds=cache->graphicsParagraph->GetCaretBounds(comparingCaret.column, preferFrontSide);
								Ptr<ParagraphCache> anotherCache=EnsureAndGetCache(comparingCaret.row-1, true);
								vint height=anotherCache->graphicsParagraph->GetHeight();
								caret=anotherCache->graphicsParagraph->GetCaretFromPoint(Point(caretBounds.x1, height));
								return TextPos(comparingCaret.row-1, caret);
							}
							else
							{
								return TextPos(comparingCaret.row, caret);
							}
						}
					case IGuiGraphicsParagraph::CaretMoveDown:
						{
							vint caret=cache->graphicsParagraph->GetCaret(comparingCaret.column, IGuiGraphicsParagraph::CaretMoveDown, preferFrontSide);
							if(caret==comparingCaret.column && comparingCaret.row<paragraphCaches.Count()-1)
							{
								Rect caretBounds=cache->graphicsParagraph->GetCaretBounds(comparingCaret.column, preferFrontSide);
								Ptr<ParagraphCache> anotherCache=EnsureAndGetCache(comparingCaret.row+1, true);
								caret=anotherCache->graphicsParagraph->GetCaretFromPoint(Point(caretBounds.x1, 0));
								return TextPos(comparingCaret.row+1, caret);
							}
							else
							{
								return TextPos(comparingCaret.row, caret);
							}
						}
					case IGuiGraphicsParagraph::CaretMoveLeft:
						{
							preferFrontSide=false;
							vint caret=cache->graphicsParagraph->GetCaret(comparingCaret.column, IGuiGraphicsParagraph::CaretMoveLeft, preferFrontSide);
							if(caret==comparingCaret.column && comparingCaret.row>0)
							{
								Ptr<ParagraphCache> anotherCache=EnsureAndGetCache(comparingCaret.row-1, true);
								caret=anotherCache->graphicsParagraph->GetCaret(0, IGuiGraphicsParagraph::CaretLast, preferFrontSide);
								return TextPos(comparingCaret.row-1, caret);
							}
							else
							{
								return TextPos(comparingCaret.row, caret);
							}
						}
					case IGuiGraphicsParagraph::CaretMoveRight:
						{
							preferFrontSide=true;
							vint caret=cache->graphicsParagraph->GetCaret(comparingCaret.column, IGuiGraphicsParagraph::CaretMoveRight, preferFrontSide);
							if(caret==comparingCaret.column && comparingCaret.row<paragraphCaches.Count()-1)
							{
								Ptr<ParagraphCache> anotherCache=EnsureAndGetCache(comparingCaret.row+1, true);
								caret=anotherCache->graphicsParagraph->GetCaret(0, IGuiGraphicsParagraph::CaretFirst, preferFrontSide);
								return TextPos(comparingCaret.row+1, caret);
							}
							else
							{
								return TextPos(comparingCaret.row, caret);
							}
						}
					}
				}
				return comparingCaret;
			}

			TextPos GuiDocumentElement::GuiDocumentElementRenderer::CalculateCaretFromPoint(Point point)
			{
				vint top=0;
				vint index=-1;
				if(GetParagraphIndexFromPoint(point, top, index))
				{
					Ptr<ParagraphCache> cache=EnsureAndGetCache(index, true);
					Point paragraphPoint(point.x, point.y-top);
					vint caret=cache->graphicsParagraph->GetCaretFromPoint(paragraphPoint);
					return TextPos(index, caret);
				}
				return TextPos(-1, -1);
			}

			Rect GuiDocumentElement::GuiDocumentElementRenderer::GetCaretBounds(TextPos caret, bool frontSide)
			{
				Ptr<ParagraphCache> cache=EnsureAndGetCache(caret.row, true);
				if(cache)
				{
					Rect bounds=cache->graphicsParagraph->GetCaretBounds(caret.column, frontSide);
					if(bounds!=Rect())
					{
						vint y=0;
						for(vint i=0;i<caret.row;i++)
						{
							EnsureAndGetCache(i, true);
							y+=paragraphHeights[i]+paragraphDistance;
						}

						bounds.y1+=y;
						bounds.y2+=y;
						return bounds;
					}
				}
				return Rect();
			}

/***********************************************************************
GuiDocumentElement
***********************************************************************/

			void GuiDocumentElement::UpdateCaret()
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					elementRenderer->SetSelection(caretBegin, caretEnd);
					if(caretVisible)
					{
						elementRenderer->OpenCaret(caretEnd, caretColor, caretFrontSide);
					}
					else
					{
						elementRenderer->CloseCaret(caretEnd);
					}
				}
			}

			GuiDocumentElement::GuiDocumentElement()
				:caretVisible(false)
				,caretFrontSide(false)
			{
			}

			GuiDocumentElement::~GuiDocumentElement()
			{
			}

			GuiDocumentElement::ICallback* GuiDocumentElement::GetCallback()
			{
				return callback;
			}

			void GuiDocumentElement::SetCallback(ICallback* value)
			{
				callback = value;
			}

			Ptr<DocumentModel> GuiDocumentElement::GetDocument()
			{
				return document;
			}

			void GuiDocumentElement::SetDocument(Ptr<DocumentModel> value)
			{
				document=value;
				if(renderer)
				{
					renderer->OnElementStateChanged();
					SetCaret(TextPos(), TextPos(), false);
				}
			}

			TextPos GuiDocumentElement::GetCaretBegin()
			{
				return caretBegin;
			}

			TextPos GuiDocumentElement::GetCaretEnd()
			{
				return caretEnd;
			}

			bool GuiDocumentElement::IsCaretEndPreferFrontSide()
			{
				return caretFrontSide;
			}

			void GuiDocumentElement::SetCaret(TextPos begin, TextPos end, bool frontSide)
			{
				caretBegin=begin;
				caretEnd=end;
				if(caretBegin<caretEnd)
				{
					caretFrontSide=true;
				}
				else if(caretBegin>caretEnd)
				{
					caretFrontSide=false;
				}
				else
				{
					caretFrontSide=frontSide;
				}
				UpdateCaret();
			}

			bool GuiDocumentElement::GetCaretVisible()
			{
				return caretVisible;
			}

			void GuiDocumentElement::SetCaretVisible(bool value)
			{
				caretVisible=value;
				UpdateCaret();
			}

			Color GuiDocumentElement::GetCaretColor()
			{
				return caretColor;
			}

			void GuiDocumentElement::SetCaretColor(Color value)
			{
				caretColor=value;
				UpdateCaret();
			}

			TextPos GuiDocumentElement::CalculateCaret(TextPos comparingCaret, IGuiGraphicsParagraph::CaretRelativePosition position, bool& preferFrontSide)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					TextPos caret=elementRenderer->CalculateCaret(comparingCaret, position, preferFrontSide);
					return caret.column==-1?comparingCaret:caret;
				}
				else
				{
					return comparingCaret;
				}
			}

			TextPos GuiDocumentElement::CalculateCaretFromPoint(Point point)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					return elementRenderer->CalculateCaretFromPoint(point);
				}
				else
				{
					return TextPos(0, 0);
				}
			}

			Rect GuiDocumentElement::GetCaretBounds(TextPos caret, bool frontSide)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					return elementRenderer->GetCaretBounds(caret, frontSide);
				}
				else
				{
					return Rect();
				}
			}
			
			void GuiDocumentElement::NotifyParagraphUpdated(vint index, vint oldCount, vint newCount, bool updatedText)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					elementRenderer->NotifyParagraphUpdated(index, oldCount, newCount, updatedText);
				}
			}

			void GuiDocumentElement::EditRun(TextPos begin, TextPos end, Ptr<DocumentModel> model)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					if(begin>end)
					{
						TextPos temp=begin;
						begin=end;
						end=temp;
					}

					vint newRows=document->EditRun(begin, end, model);
					if(newRows!=-1)
					{
						elementRenderer->NotifyParagraphUpdated(begin.row, end.row-begin.row+1, newRows, true);
					}
				}
			}

			void GuiDocumentElement::EditText(TextPos begin, TextPos end, bool frontSide, const collections::Array<WString>& text)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					if(begin>end)
					{
						TextPos temp=begin;
						begin=end;
						end=temp;
					}

					vint newRows=document->EditText(begin, end, frontSide, text);
					if(newRows!=-1)
					{
						elementRenderer->NotifyParagraphUpdated(begin.row, end.row-begin.row+1, newRows, true);
					}
				}
			}

			void GuiDocumentElement::EditStyle(TextPos begin, TextPos end, Ptr<DocumentStyleProperties> style)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					if(begin>end)
					{
						TextPos temp=begin;
						begin=end;
						end=temp;
					}

					if(document->EditStyle(begin, end, style))
					{
						elementRenderer->NotifyParagraphUpdated(begin.row, end.row-begin.row+1, end.row-begin.row+1, false);
					}
				}
			}

			void GuiDocumentElement::EditImage(TextPos begin, TextPos end, Ptr<GuiImageData> image)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					if(begin>end)
					{
						TextPos temp=begin;
						begin=end;
						end=temp;
					}

					if(document->EditImage(begin, end, image))
					{
						elementRenderer->NotifyParagraphUpdated(begin.row, end.row-begin.row+1, 1, true);
					}
				}
			}

			void GuiDocumentElement::EditHyperlink(vint paragraphIndex, vint begin, vint end, const WString& reference, const WString& normalStyleName, const WString& activeStyleName)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					if(begin>end)
					{
						vint temp=begin;
						begin=end;
						end=temp;
					}

					if(document->EditHyperlink(paragraphIndex, begin, end, reference, normalStyleName, activeStyleName))
					{
						elementRenderer->NotifyParagraphUpdated(paragraphIndex, 1, 1, false);
					}
				}
			}

			void GuiDocumentElement::RemoveHyperlink(vint paragraphIndex, vint begin, vint end)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					if(begin>end)
					{
						vint temp=begin;
						begin=end;
						end=temp;
					}

					if(document->RemoveHyperlink(paragraphIndex, begin, end))
					{
						elementRenderer->NotifyParagraphUpdated(paragraphIndex, 1, 1, false);
					}
				}
			}

			void GuiDocumentElement::EditStyleName(TextPos begin, TextPos end, const WString& styleName)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					if(begin>end)
					{
						TextPos temp=begin;
						begin=end;
						end=temp;
					}

					if(document->EditStyleName(begin, end, styleName))
					{
						elementRenderer->NotifyParagraphUpdated(begin.row, end.row-begin.row+1, end.row-begin.row+1, false);
					}
				}
			}

			void GuiDocumentElement::RemoveStyleName(TextPos begin, TextPos end)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					if(begin>end)
					{
						TextPos temp=begin;
						begin=end;
						end=temp;
					}

					if(document->RemoveStyleName(begin, end))
					{
						elementRenderer->NotifyParagraphUpdated(begin.row, end.row-begin.row+1, end.row-begin.row+1, false);
					}
				}
			}

			void GuiDocumentElement::RenameStyle(const WString& oldStyleName, const WString& newStyleName)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					document->RenameStyle(oldStyleName, newStyleName);
				}
			}

			void GuiDocumentElement::ClearStyle(TextPos begin, TextPos end)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					if(begin>end)
					{
						TextPos temp=begin;
						begin=end;
						end=temp;
					}

					if(document->ClearStyle(begin, end))
					{
						elementRenderer->NotifyParagraphUpdated(begin.row, end.row-begin.row+1, end.row-begin.row+1, false);
					}
				}
			}

			Ptr<DocumentStyleProperties> GuiDocumentElement::SummarizeStyle(TextPos begin, TextPos end)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					if(begin>end)
					{
						TextPos temp=begin;
						begin=end;
						end=temp;
					}

					return document->SummarizeStyle(begin, end);
				}
				return 0;
			}

			void GuiDocumentElement::SetParagraphAlignment(TextPos begin, TextPos end, const collections::Array<Nullable<Alignment>>& alignments)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					vint first=begin.row;
					vint last=end.row;
					if(first>last)
					{
						vint temp=first;
						first=last;
						last=temp;
					}

					if(0<=first && first<document->paragraphs.Count() && 0<=last && last<document->paragraphs.Count() && last-first+1==alignments.Count())
					{
						for(vint i=first;i<=last;i++)
						{
							document->paragraphs[i]->alignment=alignments[i-first];
						}
						elementRenderer->NotifyParagraphUpdated(first, alignments.Count(), alignments.Count(), false);
					}
				}
			}

			Ptr<DocumentHyperlinkRun> GuiDocumentElement::GetHyperlinkFromPoint(Point point)
			{
				Ptr<GuiDocumentElementRenderer> elementRenderer=renderer.Cast<GuiDocumentElementRenderer>();
				if(elementRenderer)
				{
					return elementRenderer->GetHyperlinkFromPoint(point);
				}
				else
				{
					return 0;
				}
			}
		}
	}
}

/***********************************************************************
GRAPHICSELEMENT\GUIGRAPHICSELEMENT.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace elements
		{
			using namespace collections;

/***********************************************************************
GuiSolidBorderElement
***********************************************************************/

			GuiSolidBorderElement::GuiSolidBorderElement()
				:color(0, 0, 0)
				,shape(ElementShape::Rectangle)
			{
			}

			GuiSolidBorderElement::~GuiSolidBorderElement()
			{
				renderer->Finalize();
			}

			Color GuiSolidBorderElement::GetColor()
			{
				return color;
			}

			void GuiSolidBorderElement::SetColor(Color value)
			{
				if(color!=value)
				{
					color=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}
			
			ElementShape GuiSolidBorderElement::GetShape()
			{
				return shape;
			}

			void GuiSolidBorderElement::SetShape(ElementShape value)
			{
				shape=value;
			}

/***********************************************************************
GuiRoundBorderElement
***********************************************************************/

			GuiRoundBorderElement::GuiRoundBorderElement()
				:color(0, 0, 0)
				,radius(10)
			{
			}

			GuiRoundBorderElement::~GuiRoundBorderElement()
			{
				renderer->Finalize();
			}

			Color GuiRoundBorderElement::GetColor()
			{
				return color;
			}

			void GuiRoundBorderElement::SetColor(Color value)
			{
				if(color!=value)
				{
					color=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			vint GuiRoundBorderElement::GetRadius()
			{
				return radius;
			}

			void GuiRoundBorderElement::SetRadius(vint value)
			{
				if(radius!=value)
				{
					radius=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

/***********************************************************************
Gui3DBorderElement
***********************************************************************/

			Gui3DBorderElement::Gui3DBorderElement()
			{
			}

			Gui3DBorderElement::~Gui3DBorderElement()
			{
				renderer->Finalize();
			}

			Color Gui3DBorderElement::GetColor1()
			{
				return color1;
			}

			void Gui3DBorderElement::SetColor1(Color value)
			{
				SetColors(value, color2);
			}

			Color Gui3DBorderElement::GetColor2()
			{
				return color2;
			}

			void Gui3DBorderElement::SetColor2(Color value)
			{
				SetColors(color1, value);
			}

			void Gui3DBorderElement::SetColors(Color value1, Color value2)
			{
				if(color1!=value1 || color2!=value2)
				{
					color1=value1;
					color2=value2;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

/***********************************************************************
Gui3DSplitterElement
***********************************************************************/

			Gui3DSplitterElement::Gui3DSplitterElement()
				:direction(Horizontal)
			{
			}

			Gui3DSplitterElement::~Gui3DSplitterElement()
			{
				renderer->Finalize();
			}

			Color Gui3DSplitterElement::GetColor1()
			{
				return color1;
			}

			void Gui3DSplitterElement::SetColor1(Color value)
			{
				SetColors(value, color2);
			}

			Color Gui3DSplitterElement::GetColor2()
			{
				return color2;
			}

			void Gui3DSplitterElement::SetColor2(Color value)
			{
				SetColors(color1, value);
			}

			void Gui3DSplitterElement::SetColors(Color value1, Color value2)
			{
				if(color1!=value1 || color2!=value2)
				{
					color1=value1;
					color2=value2;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			Gui3DSplitterElement::Direction Gui3DSplitterElement::GetDirection()
			{
				return direction;
			}

			void Gui3DSplitterElement::SetDirection(Direction value)
			{
				if(direction!=value)
				{
					direction=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

/***********************************************************************
GuiSolidBackgroundElement
***********************************************************************/

			GuiSolidBackgroundElement::GuiSolidBackgroundElement()
				:color(255, 255, 255)
				,shape(ElementShape::Rectangle)
			{
			}

			GuiSolidBackgroundElement::~GuiSolidBackgroundElement()
			{
				renderer->Finalize();
			}

			Color GuiSolidBackgroundElement::GetColor()
			{
				return color;
			}

			void GuiSolidBackgroundElement::SetColor(Color value)
			{
				if(color!=value)
				{
					color=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}
			
			ElementShape GuiSolidBackgroundElement::GetShape()
			{
				return shape;
			}

			void GuiSolidBackgroundElement::SetShape(ElementShape value)
			{
				shape=value;
			}

/***********************************************************************
GuiGradientBackgroundElement
***********************************************************************/

			GuiGradientBackgroundElement::GuiGradientBackgroundElement()
				:direction(Horizontal)
				,shape(ElementShape::Rectangle)
			{
			}

			GuiGradientBackgroundElement::~GuiGradientBackgroundElement()
			{
				renderer->Finalize();
			}

			Color GuiGradientBackgroundElement::GetColor1()
			{
				return color1;
			}

			void GuiGradientBackgroundElement::SetColor1(Color value)
			{
				SetColors(value, color2);
			}

			Color GuiGradientBackgroundElement::GetColor2()
			{
				return color2;
			}

			void GuiGradientBackgroundElement::SetColor2(Color value)
			{
				SetColors(color1, value);
			}

			void GuiGradientBackgroundElement::SetColors(Color value1, Color value2)
			{
				if(color1!=value1 || color2!=value2)
				{
					color1=value1;
					color2=value2;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			GuiGradientBackgroundElement::Direction GuiGradientBackgroundElement::GetDirection()
			{
				return direction;
			}

			void GuiGradientBackgroundElement::SetDirection(Direction value)
			{
				if(direction!=value)
				{
					direction=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}
			
			ElementShape GuiGradientBackgroundElement::GetShape()
			{
				return shape;
			}

			void GuiGradientBackgroundElement::SetShape(ElementShape value)
			{
				shape=value;
			}

/***********************************************************************
GuiSolidLabelElement
***********************************************************************/

			GuiSolidLabelElement::GuiSolidLabelElement()
				:color(0, 0, 0)
				,hAlignment(Alignment::Left)
				,vAlignment(Alignment::Top)
				,wrapLine(false)
				,ellipse(false)
				,multiline(false)
				,wrapLineHeightCalculation(false)
			{
				fontProperties.fontFamily=L"Lucida Console";
				fontProperties.size=12;
			}

			GuiSolidLabelElement::~GuiSolidLabelElement()
			{
				renderer->Finalize();
			}

			Color GuiSolidLabelElement::GetColor()
			{
				return color;
			}

			void GuiSolidLabelElement::SetColor(Color value)
			{
				if(color!=value)
				{
					color=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			const FontProperties& GuiSolidLabelElement::GetFont()
			{
				return fontProperties;
			}

			void GuiSolidLabelElement::SetFont(const FontProperties& value)
			{
				if(fontProperties!=value)
				{
					fontProperties=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			const WString& GuiSolidLabelElement::GetText()
			{
				return text;
			}

			void GuiSolidLabelElement::SetText(const WString& value)
			{
				if(text!=value)
				{
					text=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			Alignment GuiSolidLabelElement::GetHorizontalAlignment()
			{
				return hAlignment;
			}

			Alignment GuiSolidLabelElement::GetVerticalAlignment()
			{
				return vAlignment;
			}

			void GuiSolidLabelElement::SetHorizontalAlignment(Alignment value)
			{
				SetAlignments(value, vAlignment);
			}

			void GuiSolidLabelElement::SetVerticalAlignment(Alignment value)
			{
				SetAlignments(hAlignment, value);
			}

			void GuiSolidLabelElement::SetAlignments(Alignment horizontal, Alignment vertical)
			{
				if(hAlignment!=horizontal || vAlignment!=vertical)
				{
					hAlignment=horizontal;
					vAlignment=vertical;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			bool GuiSolidLabelElement::GetWrapLine()
			{
				return wrapLine;
			}

			void GuiSolidLabelElement::SetWrapLine(bool value)
			{
				if(wrapLine!=value)
				{
					wrapLine=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			bool GuiSolidLabelElement::GetEllipse()
			{
				return ellipse;
			}

			void GuiSolidLabelElement::SetEllipse(bool value)
			{
				if(ellipse!=value)
				{
					ellipse=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			bool GuiSolidLabelElement::GetMultiline()
			{
				return multiline;
			}

			void GuiSolidLabelElement::SetMultiline(bool value)
			{
				if(multiline!=value)
				{
					multiline=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			bool GuiSolidLabelElement::GetWrapLineHeightCalculation()
			{
				return wrapLineHeightCalculation;
			}

			void GuiSolidLabelElement::SetWrapLineHeightCalculation(bool value)
			{
				if(wrapLineHeightCalculation!=value)
				{
					wrapLineHeightCalculation=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

/***********************************************************************
GuiImageFrameElement
***********************************************************************/

			GuiImageFrameElement::GuiImageFrameElement()
				:frameIndex(0)
				,hAlignment(Alignment::Left)
				,vAlignment(Alignment::Top)
				,stretch(false)
				,enabled(true)
			{
			}

			GuiImageFrameElement::~GuiImageFrameElement()
			{
				renderer->Finalize();
			}

			Ptr<INativeImage> GuiImageFrameElement::GetImage()
			{
				return image;
			}

			vint GuiImageFrameElement::GetFrameIndex()
			{
				return frameIndex;
			}

			void GuiImageFrameElement::SetImage(Ptr<INativeImage> value)
			{
				SetImage(value, frameIndex);
			}

			void GuiImageFrameElement::SetFrameIndex(vint value)
			{
				SetImage(image, value);
			}

			void GuiImageFrameElement::SetImage(Ptr<INativeImage> _image, vint _frameIndex)
			{
				if(image!=_image || frameIndex!=_frameIndex)
				{
					if(!_image)
					{
						image=0;
						frameIndex=0;
					}
					else if(0<=_frameIndex && _frameIndex<_image->GetFrameCount())
					{
						image=_image;
						frameIndex=_frameIndex;
					}
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			Alignment GuiImageFrameElement::GetHorizontalAlignment()
			{
				return hAlignment;
			}

			Alignment GuiImageFrameElement::GetVerticalAlignment()
			{
				return vAlignment;
			}

			void GuiImageFrameElement::SetHorizontalAlignment(Alignment value)
			{
				SetAlignments(value, vAlignment);
			}

			void GuiImageFrameElement::SetVerticalAlignment(Alignment value)
			{
				SetAlignments(hAlignment, value);
			}

			void GuiImageFrameElement::SetAlignments(Alignment horizontal, Alignment vertical)
			{
				if(hAlignment!=horizontal || vAlignment!=vertical)
				{
					hAlignment=horizontal;
					vAlignment=vertical;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			bool GuiImageFrameElement::GetStretch()
			{
				return stretch;
			}

			void GuiImageFrameElement::SetStretch(bool value)
			{
				if(stretch!=value)
				{
					stretch=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			bool GuiImageFrameElement::GetEnabled()
			{
				return enabled;
			}

			void GuiImageFrameElement::SetEnabled(bool value)
			{
				if(enabled!=value)
				{
					enabled=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

/***********************************************************************
GuiPolygonElement
***********************************************************************/

			GuiPolygonElement::GuiPolygonElement()
			{
			}

			GuiPolygonElement::~GuiPolygonElement()
			{
			}

			Size GuiPolygonElement::GetSize()
			{
				return size;
			}

			void GuiPolygonElement::SetSize(Size value)
			{
				if(size!=value)
				{
					size=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			const Point& GuiPolygonElement::GetPoint(vint index)
			{
				return points[index];
			}

			vint GuiPolygonElement::GetPointCount()
			{
				return points.Count();
			}

			void GuiPolygonElement::SetPoints(const Point* p, vint count)
			{
				points.Resize(count);
				if(count>0)
				{
					memcpy(&points[0], p, sizeof(*p)*count);
				}
				if(renderer)
				{
					renderer->OnElementStateChanged();
				}
			}

			const GuiPolygonElement::PointArray& GuiPolygonElement::GetPointsArray()
			{
				return points;
			}

			void GuiPolygonElement::SetPointsArray(const PointArray& value)
			{
				CopyFrom(points, value);
			}

			Color GuiPolygonElement::GetBorderColor()
			{
				return borderColor;
			}

			void GuiPolygonElement::SetBorderColor(Color value)
			{
				if(borderColor!=value)
				{
					borderColor=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			Color GuiPolygonElement::GetBackgroundColor()
			{
				return backgroundColor;
			}

			void GuiPolygonElement::SetBackgroundColor(Color value)
			{
				if(backgroundColor!=value)
				{
					backgroundColor=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}
		}
	}
}

/***********************************************************************
GRAPHICSELEMENT\GUIGRAPHICSHOST.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace compositions
		{
			using namespace collections;
			using namespace controls;
			using namespace elements;
			using namespace theme;

/***********************************************************************
GuiGraphicsAnimationManager
***********************************************************************/

			GuiGraphicsAnimationManager::GuiGraphicsAnimationManager()
			{
			}

			GuiGraphicsAnimationManager::~GuiGraphicsAnimationManager()
			{
			}

			void GuiGraphicsAnimationManager::AddAnimation(Ptr<IGuiGraphicsAnimation> animation)
			{
				playingAnimations.Add(animation);
			}

			bool GuiGraphicsAnimationManager::HasAnimation()
			{
				return playingAnimations.Count()>0;
			}

			void GuiGraphicsAnimationManager::Play()
			{
				for(vint i=playingAnimations.Count()-1;i>=0;i--)
				{
					Ptr<IGuiGraphicsAnimation> animation=playingAnimations[i];
					vint totalLength=animation->GetTotalLength();
					vint currentPosition=animation->GetCurrentPosition();
					animation->Play(currentPosition, totalLength);
					if(currentPosition>=totalLength)
					{
						playingAnimations.RemoveAt(i);
						animation->Stop();
					}
				}
			}

/***********************************************************************
IGuiAltAction
***********************************************************************/

			const wchar_t* const IGuiAltAction::Identifier = L"vl::presentation::compositions::IGuiAltAction";
			const wchar_t* const IGuiAltActionContainer::Identifier = L"vl::presentation::compositions::IGuiAltAction";
			const wchar_t* const IGuiAltActionHost::Identifier = L"vl::presentation::compositions::IGuiAltAction";

			bool IGuiAltAction::IsLegalAlt(const WString& alt)
			{
				for (vint i = 0; i < alt.Length(); i++)
				{
					if (alt[i] < L'A' || L'Z' < alt[i])
					{
						return false;
					}
				}
				return true;
			}

			void IGuiAltActionHost::CollectAltActionsFromControl(controls::GuiControl* control, collections::Group<WString, IGuiAltAction*>& actions)
			{
				List<GuiControl*> controls;
				controls.Add(control);
				vint current = 0;

				while (current < controls.Count())
				{
					GuiControl* control = controls[current++];

					if (auto container = control->QueryTypedService<IGuiAltActionContainer>())
					{
						vint count = container->GetAltActionCount();
						for (vint i = 0; i < count; i++)
						{
							auto action = container->GetAltAction(i);
							actions.Add(action->GetAlt(), action);
						}
						continue;
					}
					else if (auto action = control->QueryTypedService<IGuiAltAction>())
					{
						if (action->IsAltAvailable())
						{
							if (action->IsAltEnabled())
							{
								actions.Add(action->GetAlt(), action);
								continue;
							}
						}
					}

					vint count = control->GetChildrenCount();
					for (vint i = 0; i < count; i++)
					{
						controls.Add(control->GetChild(i));
					}
				}
			}

/***********************************************************************
GuiGraphicsHost
***********************************************************************/

			void GuiGraphicsHost::EnterAltHost(IGuiAltActionHost* host)
			{
				ClearAltHost();

				Group<WString, IGuiAltAction*> actions;
				host->CollectAltActions(actions);
				if (actions.Count() == 0)
				{
					CloseAltHost();
					return;
				}

				host->OnActivatedAltHost(currentAltHost);
				currentAltHost = host;
				CreateAltTitles(actions);
			}

			void GuiGraphicsHost::LeaveAltHost()
			{
				if (currentAltHost)
				{
					ClearAltHost();
					auto previousHost = currentAltHost->GetPreviousAltHost();
					currentAltHost->OnDeactivatedAltHost();
					currentAltHost = previousHost;

					if (currentAltHost)
					{
						Group<WString, IGuiAltAction*> actions;
						currentAltHost->CollectAltActions(actions);
						CreateAltTitles(actions);
					}
				}
			}

			bool GuiGraphicsHost::EnterAltKey(wchar_t key)
			{
				currentAltPrefix += key;
				vint index = currentActiveAltActions.Keys().IndexOf(currentAltPrefix);
				if (index == -1)
				{
					if (FilterTitles() == 0)
					{
						currentAltPrefix = currentAltPrefix.Left(currentAltPrefix.Length() - 1);
						FilterTitles();
					}
				}
				else
				{
					auto action = currentActiveAltActions.Values()[index];
					if (action->GetActivatingAltHost())
					{
						EnterAltHost(action->GetActivatingAltHost());
					}
					else
					{
						CloseAltHost();
					}
					action->OnActiveAlt();
					return true;
				}
				return false;
			}

			void GuiGraphicsHost::LeaveAltKey()
			{
				if (currentAltPrefix.Length() >= 1)
				{
					currentAltPrefix = currentAltPrefix.Left(currentAltPrefix.Length() - 1);
				}
				FilterTitles();
			}

			void GuiGraphicsHost::CreateAltTitles(const collections::Group<WString, IGuiAltAction*>& actions)
			{
				if (currentAltHost)
				{
					vint count = actions.Count();
					for (vint i = 0; i < count; i++)
					{
						WString key = actions.Keys()[i];
						const auto& values = actions.GetByIndex(i);
						vint numberLength = 0;
						if (values.Count() == 1 && key.Length() > 0)
						{
							numberLength = 0;
						}
						else if (values.Count() <= 10)
						{
							numberLength = 1;
						}
						else if (values.Count() <= 100)
						{
							numberLength = 2;
						}
						else if (values.Count() <= 1000)
						{
							numberLength = 3;
						}
						else
						{
							continue;
						}

						FOREACH_INDEXER(IGuiAltAction*, action, index, values)
						{
							WString key = actions.Keys()[i];
							if (numberLength > 0)
							{
								WString number = itow(index);
								while (number.Length() < numberLength)
								{
									number = L"0" + number;
								}
								key += number;
							}
							currentActiveAltActions.Add(key, action);
						}
					}

					count = currentActiveAltActions.Count();
					auto window = dynamic_cast<GuiWindow*>(currentAltHost->GetAltComposition()->GetRelatedControlHost());
					auto windowStyle = dynamic_cast<GuiWindow::IStyleController*>(window->GetStyleController());
					for (vint i = 0; i < count; i++)
					{
						auto key = currentActiveAltActions.Keys()[i];
						auto composition = currentActiveAltActions.Values()[i]->GetAltComposition();

						auto labelStyle = windowStyle->CreateShortcutKeyStyle();
						if (!labelStyle)labelStyle = GetCurrentTheme()->CreateShortcutKeyStyle();
						auto label = new GuiLabel(labelStyle);
						label->SetText(key);
						composition->AddChild(label->GetBoundsComposition());
						currentActiveAltTitles.Add(key, label);
					}

					FilterTitles();
				}
			}

			vint GuiGraphicsHost::FilterTitles()
			{
				vint count = currentActiveAltTitles.Count();
				vint visibles = 0;
				for (vint i = 0; i < count; i++)
				{
					auto key = currentActiveAltTitles.Keys()[i];
					auto value = currentActiveAltTitles.Values()[i];
					if (key.Length() >= currentAltPrefix.Length() && key.Left(currentAltPrefix.Length()) == currentAltPrefix)
					{
						value->SetVisible(true);
						if (currentAltPrefix.Length() <= key.Length())
						{
							value->SetText(
								key
								.Insert(currentAltPrefix.Length(), L"[")
								.Insert(currentAltPrefix.Length() + 2, L"]")
								);
						}
						else
						{
							value->SetText(key);
						}
						visibles++;
					}
					else
					{
						value->SetVisible(false);
					}
				}
				return visibles;
			}

			void GuiGraphicsHost::ClearAltHost()
			{
				FOREACH(GuiControl*, title, currentActiveAltTitles.Values())
				{
					SafeDeleteControl(title);
				}
				currentActiveAltActions.Clear();
				currentActiveAltTitles.Clear();
				currentAltPrefix = L"";
			}

			void GuiGraphicsHost::CloseAltHost()
			{
				ClearAltHost();
				while (currentAltHost)
				{
					currentAltHost->OnDeactivatedAltHost();
					currentAltHost = currentAltHost->GetPreviousAltHost();
				}
			}

			void GuiGraphicsHost::DisconnectCompositionInternal(GuiGraphicsComposition* composition)
			{
				for(vint i=0;i<composition->Children().Count();i++)
				{
					DisconnectCompositionInternal(composition->Children().Get(i));
				}
				if(mouseCaptureComposition==composition)
				{
					if(nativeWindow)
					{
						nativeWindow->ReleaseCapture();
					}
					mouseCaptureComposition=0;
				}
				if(focusedComposition==composition)
				{
					focusedComposition=0;
				}
				mouseEnterCompositions.Remove(composition);
			}

			void GuiGraphicsHost::MouseCapture(const NativeWindowMouseInfo& info)
			{
				if(nativeWindow && (info.left || info.middle || info.right))
				{
					if(!nativeWindow->IsCapturing() && !info.nonClient)
					{
						nativeWindow->RequireCapture();
						mouseCaptureComposition=windowComposition->FindComposition(Point(info.x, info.y));
					}
				}
			}

			void GuiGraphicsHost::MouseUncapture(const NativeWindowMouseInfo& info)
			{
				if(nativeWindow && !(info.left || info.middle || info.right))
				{
					nativeWindow->ReleaseCapture();
					mouseCaptureComposition=0;
				}
			}

			void GuiGraphicsHost::OnCharInput(const NativeWindowCharInfo& info, GuiGraphicsComposition* composition, GuiCharEvent GuiGraphicsEventReceiver::* eventReceiverEvent)
			{
				List<GuiGraphicsComposition*> compositions;
				while(composition)
				{
					if(composition->HasEventReceiver())
					{
						compositions.Add(composition);
					}
					composition=composition->GetParent();
				}

				GuiCharEventArgs arguments(composition);
				(NativeWindowCharInfo&)arguments=info;

				for(vint i=compositions.Count()-1;i>=0;i--)
				{
					compositions[i]->GetEventReceiver()->previewCharInput.Execute(arguments);
					if(arguments.handled)
					{
						return;
					}
				}

				for(vint i=0;i<compositions.Count();i++)
				{
					(compositions[i]->GetEventReceiver()->*eventReceiverEvent).Execute(arguments);
					if(arguments.handled)
					{
						return;
					}
				}
			}

			void GuiGraphicsHost::OnKeyInput(const NativeWindowKeyInfo& info, GuiGraphicsComposition* composition, GuiKeyEvent GuiGraphicsEventReceiver::* eventReceiverEvent)
			{
				List<GuiGraphicsComposition*> compositions;
				while(composition)
				{
					if(composition->HasEventReceiver())
					{
						compositions.Add(composition);
					}
					composition=composition->GetParent();
				}

				GuiKeyEventArgs arguments(composition);
				(NativeWindowKeyInfo&)arguments=info;

				for(vint i=compositions.Count()-1;i>=0;i--)
				{
					compositions[i]->GetEventReceiver()->previewKey.Execute(arguments);
					if(arguments.handled)
					{
						return;
					}
				}

				for(vint i=0;i<compositions.Count();i++)
				{
					(compositions[i]->GetEventReceiver()->*eventReceiverEvent).Execute(arguments);
					if(arguments.handled)
					{
						return;
					}
				}
			}

			void GuiGraphicsHost::RaiseMouseEvent(GuiMouseEventArgs& arguments, GuiGraphicsComposition* composition, GuiMouseEvent GuiGraphicsEventReceiver::* eventReceiverEvent)
			{
				arguments.compositionSource=composition;
				arguments.eventSource=0;
				vint x=arguments.x;
				vint y=arguments.y;

				while(composition)
				{
					if(composition->HasEventReceiver())
					{
						if(!arguments.eventSource)
						{
							arguments.eventSource=composition;
						}
						GuiGraphicsEventReceiver* eventReceiver=composition->GetEventReceiver();
						(eventReceiver->*eventReceiverEvent).Execute(arguments);
						if(arguments.handled)
						{
							break;
						}
					}

					GuiGraphicsComposition* parent=composition->GetParent();
					if(parent)
					{
						Rect parentBounds=parent->GetBounds();
						Rect clientArea=parent->GetClientArea();
						Rect childBounds=composition->GetBounds();

						x+=childBounds.x1+(clientArea.x1-parentBounds.x1);
						y+=childBounds.y1+(clientArea.y1-parentBounds.y1);
						arguments.x=x;
						arguments.y=y;
					}
					composition=parent;
				}
			}

			void GuiGraphicsHost::OnMouseInput(const NativeWindowMouseInfo& info, GuiMouseEvent GuiGraphicsEventReceiver::* eventReceiverEvent)
			{
				GuiGraphicsComposition* composition=0;
				if(mouseCaptureComposition)
				{
					composition=mouseCaptureComposition;
				}
				else
				{
					composition=windowComposition->FindComposition(Point(info.x, info.y));
				}
				if(composition)
				{
					Rect bounds=composition->GetGlobalBounds();
					GuiMouseEventArgs arguments;
					(NativeWindowMouseInfo&)arguments=info;
					arguments.x-=bounds.x1;
					arguments.y-=bounds.y1;
					RaiseMouseEvent(arguments, composition, eventReceiverEvent);
				}
			}

			INativeWindowListener::HitTestResult GuiGraphicsHost::HitTest(Point location)
			{
				Rect bounds=nativeWindow->GetBounds();
				Rect clientBounds=nativeWindow->GetClientBoundsInScreen();
				Point clientLocation(location.x+bounds.x1-clientBounds.x1, location.y+bounds.y1-clientBounds.y1);
				GuiGraphicsComposition* hitComposition=windowComposition->FindComposition(clientLocation);
				while(hitComposition)
				{
					INativeWindowListener::HitTestResult result=hitComposition->GetAssociatedHitTestResult();
					if(result==INativeWindowListener::NoDecision)
					{
						hitComposition=hitComposition->GetParent();
					}
					else
					{
						return result;
					}
				}
				return INativeWindowListener::NoDecision;
			}

			void GuiGraphicsHost::Moving(Rect& bounds, bool fixSizeOnly)
			{
				Rect oldBounds=nativeWindow->GetBounds();
				minSize=windowComposition->GetPreferredBounds().GetSize();
				Size minWindowSize=minSize+(oldBounds.GetSize()-nativeWindow->GetClientSize());
				if(bounds.Width()<minWindowSize.x)
				{
					if(fixSizeOnly)
					{
						if(bounds.Width()<minWindowSize.x)
						{
							bounds.x2=bounds.x1+minWindowSize.x;
						}
					}
					else if(oldBounds.x1!=bounds.x1)
					{
						bounds.x1=oldBounds.x2-minWindowSize.x;
					}
					else if(oldBounds.x2!=bounds.x2)
					{
						bounds.x2=oldBounds.x1+minWindowSize.x;
					}
				}
				if(bounds.Height()<minWindowSize.y)
				{
					if(fixSizeOnly)
					{
						if(bounds.Height()<minWindowSize.y)
						{
							bounds.y2=bounds.y1+minWindowSize.y;
						}
					}
					else if(oldBounds.y1!=bounds.y1)
					{
						bounds.y1=oldBounds.y2-minWindowSize.y;
					}
					else if(oldBounds.y2!=bounds.y2)
					{
						bounds.y2=oldBounds.y1+minWindowSize.y;
					}
				}
			}

			void GuiGraphicsHost::Moved()
			{
				Size size=nativeWindow->GetClientSize();
				if(previousClientSize!=size)
				{
					previousClientSize=size;
					minSize=windowComposition->GetPreferredBounds().GetSize();
					Render();
				}
			}

			void GuiGraphicsHost::LeftButtonDown(const NativeWindowMouseInfo& info)
			{
				CloseAltHost();
				MouseCapture(info);
				OnMouseInput(info, &GuiGraphicsEventReceiver::leftButtonDown);
			}

			void GuiGraphicsHost::LeftButtonUp(const NativeWindowMouseInfo& info)
			{
				OnMouseInput(info, &GuiGraphicsEventReceiver::leftButtonUp);
				MouseUncapture(info);
			}

			void GuiGraphicsHost::LeftButtonDoubleClick(const NativeWindowMouseInfo& info)
			{
				LeftButtonDown(info);
				OnMouseInput(info, &GuiGraphicsEventReceiver::leftButtonDoubleClick);
			}

			void GuiGraphicsHost::RightButtonDown(const NativeWindowMouseInfo& info)
			{
				CloseAltHost();
				MouseCapture(info);
				OnMouseInput(info, &GuiGraphicsEventReceiver::rightButtonDown);
			}

			void GuiGraphicsHost::RightButtonUp(const NativeWindowMouseInfo& info)
			{
				OnMouseInput(info, &GuiGraphicsEventReceiver::rightButtonUp);
				MouseUncapture(info);
			}

			void GuiGraphicsHost::RightButtonDoubleClick(const NativeWindowMouseInfo& info)
			{
				RightButtonDown(info);
				OnMouseInput(info, &GuiGraphicsEventReceiver::rightButtonDoubleClick);
			}

			void GuiGraphicsHost::MiddleButtonDown(const NativeWindowMouseInfo& info)
			{
				CloseAltHost();
				MouseCapture(info);
				OnMouseInput(info, &GuiGraphicsEventReceiver::middleButtonDown);
			}

			void GuiGraphicsHost::MiddleButtonUp(const NativeWindowMouseInfo& info)
			{
				OnMouseInput(info, &GuiGraphicsEventReceiver::middleButtonUp);
				MouseUncapture(info);
			}

			void GuiGraphicsHost::MiddleButtonDoubleClick(const NativeWindowMouseInfo& info)
			{
				MiddleButtonDown(info);
				OnMouseInput(info, &GuiGraphicsEventReceiver::middleButtonDoubleClick);
			}

			void GuiGraphicsHost::HorizontalWheel(const NativeWindowMouseInfo& info)
			{
				OnMouseInput(info, &GuiGraphicsEventReceiver::horizontalWheel);
			}

			void GuiGraphicsHost::VerticalWheel(const NativeWindowMouseInfo& info)
			{
				OnMouseInput(info, &GuiGraphicsEventReceiver::verticalWheel);
			}

			void GuiGraphicsHost::MouseMoving(const NativeWindowMouseInfo& info)
			{
				CompositionList newCompositions;
				{
					GuiGraphicsComposition* composition=windowComposition->FindComposition(Point(info.x, info.y));
					while(composition)
					{
						newCompositions.Insert(0, composition);
						composition=composition->GetParent();
					}
				}

				vint firstDifferentIndex=mouseEnterCompositions.Count();
				for(vint i=0;i<mouseEnterCompositions.Count();i++)
				{
					if(i==newCompositions.Count())
					{
						firstDifferentIndex=newCompositions.Count();
						break;
					}
					if(mouseEnterCompositions[i]!=newCompositions[i])
					{
						firstDifferentIndex=i;
						break;
					}
				}

				for(vint i=mouseEnterCompositions.Count()-1;i>=firstDifferentIndex;i--)
				{
					GuiGraphicsComposition* composition=mouseEnterCompositions[i];
					if(composition->HasEventReceiver())
					{
						composition->GetEventReceiver()->mouseLeave.Execute(GuiEventArgs(composition));
					}
				}

				CopyFrom(mouseEnterCompositions, newCompositions);
				for(vint i=firstDifferentIndex;i<mouseEnterCompositions.Count();i++)
				{
					GuiGraphicsComposition* composition=mouseEnterCompositions[i];
					if(composition->HasEventReceiver())
					{
						composition->GetEventReceiver()->mouseEnter.Execute(GuiEventArgs(composition));
					}
				}

				INativeCursor* cursor=0;
				if(newCompositions.Count()>0)
				{
					cursor=newCompositions[newCompositions.Count()-1]->GetRelatedCursor();
				}
				if(cursor)
				{
					nativeWindow->SetWindowCursor(cursor);
				}
				else
				{
					nativeWindow->SetWindowCursor(GetCurrentController()->ResourceService()->GetDefaultSystemCursor());
				}

				OnMouseInput(info, &GuiGraphicsEventReceiver::mouseMove);
			}

			void GuiGraphicsHost::MouseEntered()
			{
			}

			void GuiGraphicsHost::MouseLeaved()
			{
				for(vint i=mouseEnterCompositions.Count()-1;i>=0;i--)
				{
					GuiGraphicsComposition* composition=mouseEnterCompositions[i];
					if(composition->HasEventReceiver())
					{
						composition->GetEventReceiver()->mouseLeave.Execute(GuiEventArgs(composition));
					}
				}
				mouseEnterCompositions.Clear();
			}

			void GuiGraphicsHost::KeyDown(const NativeWindowKeyInfo& info)
			{
				if (!info.ctrl && !info.shift && currentAltHost)
				{
					if (info.code == VKEY_ESCAPE)
					{
						LeaveAltHost();
						return;
					}
					else if (info.code == VKEY_BACK)
					{
						LeaveAltKey();
					}
					else if (VKEY_NUMPAD0 <= info.code && info.code <= VKEY_NUMPAD9)
					{
						if (EnterAltKey((wchar_t)(L'0' + (info.code - VKEY_NUMPAD0))))
						{
							supressAltKey = info.code;
							return;
						}
					}
					else if (('0' <= info.code && info.code <= '9') || ('A' <= info.code && info.code <= 'Z'))
					{
						if (EnterAltKey((wchar_t)info.code))
						{
							supressAltKey = info.code;
							return;
						}
					}
				}

				if (currentAltHost)
				{
					return;
				}
				
				if(shortcutKeyManager && shortcutKeyManager->Execute(info))
				{
					return;
				}
				if(focusedComposition && focusedComposition->HasEventReceiver())
				{
					OnKeyInput(info, focusedComposition, &GuiGraphicsEventReceiver::keyDown);
				}
			}

			void GuiGraphicsHost::KeyUp(const NativeWindowKeyInfo& info)
			{
				if (!info.ctrl && !info.shift && info.code == supressAltKey)
				{
					supressAltKey = 0;
					return;
				}

				if(focusedComposition && focusedComposition->HasEventReceiver())
				{
					OnKeyInput(info, focusedComposition, &GuiGraphicsEventReceiver::keyUp);
				}
			}

			void GuiGraphicsHost::SysKeyDown(const NativeWindowKeyInfo& info)
			{
				if (!info.ctrl && !info.shift && info.code == VKEY_MENU && !currentAltHost)
				{
					if (auto window = dynamic_cast<GuiWindow*>(windowComposition->Children()[0]->GetRelatedControlHost()))
					{
						if (auto altHost = window->QueryTypedService<IGuiAltActionHost>())
						{
							if (!altHost->GetPreviousAltHost())
							{
								EnterAltHost(altHost);
							}
						}
					}
				}

				if (currentAltHost)
				{
					return;
				}

				if(focusedComposition && focusedComposition->HasEventReceiver())
				{
					OnKeyInput(info, focusedComposition, &GuiGraphicsEventReceiver::systemKeyDown);
				}
			}

			void GuiGraphicsHost::SysKeyUp(const NativeWindowKeyInfo& info)
			{
				if (!info.ctrl && !info.shift && info.code == VKEY_MENU && nativeWindow)
				{
					if (nativeWindow)
					{
						nativeWindow->SupressAlt();
					}
				}

				if(focusedComposition && focusedComposition->HasEventReceiver())
				{
					OnKeyInput(info, focusedComposition, &GuiGraphicsEventReceiver::systemKeyUp);
				}
			}

			void GuiGraphicsHost::Char(const NativeWindowCharInfo& info)
			{
				if (!currentAltHost && !supressAltKey)
				{
					if(focusedComposition && focusedComposition->HasEventReceiver())
					{
						OnCharInput(info, focusedComposition, &GuiGraphicsEventReceiver::charInput);
					}
				}
			}

			void GuiGraphicsHost::GlobalTimer()
			{
				if(animationManager.HasAnimation())
				{
					animationManager.Play();
				}

				DateTime now=DateTime::UtcTime();
				if(now.totalMilliseconds-lastCaretTime>=CaretInterval)
				{
					lastCaretTime=now.totalMilliseconds;
					if(focusedComposition && focusedComposition->HasEventReceiver())
					{
						focusedComposition->GetEventReceiver()->caretNotify.Execute(GuiEventArgs(focusedComposition));
					}
				}
				
				Render();
			}

			GuiGraphicsHost::GuiGraphicsHost()
				:nativeWindow(0)
				,shortcutKeyManager(0)
				,windowComposition(0)
				,focusedComposition(0)
				,mouseCaptureComposition(0)
				,lastCaretTime(0)
				,currentAltHost(0)
				,supressAltKey(0)
			{
				windowComposition=new GuiWindowComposition;
				windowComposition->SetAssociatedHost(this);
				windowComposition->SetMinSizeLimitation(GuiGraphicsComposition::LimitToElementAndChildren);
			}

			GuiGraphicsHost::~GuiGraphicsHost()
			{
				if(shortcutKeyManager)
				{
					delete shortcutKeyManager;
					shortcutKeyManager=0;
				}
				delete windowComposition;
			}

			INativeWindow* GuiGraphicsHost::GetNativeWindow()
			{
				return nativeWindow;
			}

			void GuiGraphicsHost::SetNativeWindow(INativeWindow* _nativeWindow)
			{
				if(nativeWindow!=_nativeWindow)
				{
					if(nativeWindow)
					{
						GetCurrentController()->CallbackService()->UninstallListener(this);
						nativeWindow->UninstallListener(this);
					}
					nativeWindow=_nativeWindow;
					windowComposition->SetAttachedWindow(nativeWindow);
					if(nativeWindow)
					{
						nativeWindow->InstallListener(this);
						GetCurrentController()->CallbackService()->InstallListener(this);
						previousClientSize=nativeWindow->GetClientSize();
						minSize=windowComposition->GetPreferredBounds().GetSize();
						nativeWindow->SetCaretPoint(caretPoint);
					}
				}
			}

			GuiGraphicsComposition* GuiGraphicsHost::GetMainComposition()
			{
				return windowComposition;
			}

			void GuiGraphicsHost::Render()
			{
				if(nativeWindow && nativeWindow->IsVisible())
				{
					windowComposition->GetRenderTarget()->StartRendering();
					windowComposition->Render(Size());
					bool success = windowComposition->GetRenderTarget()->StopRendering();
					nativeWindow->RedrawContent();

					if (!success)
					{
						windowComposition->SetAttachedWindow(0);
						GetGuiGraphicsResourceManager()->RecreateRenderTarget(nativeWindow);
						windowComposition->SetAttachedWindow(nativeWindow);
					}
				}
			}

			IGuiShortcutKeyManager* GuiGraphicsHost::GetShortcutKeyManager()
			{
				return shortcutKeyManager;
			}

			void GuiGraphicsHost::SetShortcutKeyManager(IGuiShortcutKeyManager* value)
			{
				shortcutKeyManager=value;
			}

			bool GuiGraphicsHost::SetFocus(GuiGraphicsComposition* composition)
			{
				if(!composition || composition->GetRelatedGraphicsHost()!=this)
				{
					return false;
				}
				if(focusedComposition && focusedComposition->HasEventReceiver())
				{
					GuiEventArgs arguments;
					arguments.compositionSource=focusedComposition;
					arguments.eventSource=focusedComposition;
					focusedComposition->GetEventReceiver()->lostFocus.Execute(arguments);
				}
				focusedComposition=composition;
				SetCaretPoint(Point(0, 0));
				if(focusedComposition && focusedComposition->HasEventReceiver())
				{
					GuiEventArgs arguments;
					arguments.compositionSource=focusedComposition;
					arguments.eventSource=focusedComposition;
					focusedComposition->GetEventReceiver()->gotFocus.Execute(arguments);
				}
				return true;
			}

			GuiGraphicsComposition* GuiGraphicsHost::GetFocusedComposition()
			{
				return focusedComposition;
			}

			Point GuiGraphicsHost::GetCaretPoint()
			{
				return caretPoint;
			}

			void GuiGraphicsHost::SetCaretPoint(Point value, GuiGraphicsComposition* referenceComposition)
			{
				if(referenceComposition)
				{
					Rect bounds=referenceComposition->GetGlobalBounds();
					value.x+=bounds.x1;
					value.y+=bounds.y1;
				}
				caretPoint=value;
				if(nativeWindow)
				{
					nativeWindow->SetCaretPoint(caretPoint);
				}
			}

			GuiGraphicsAnimationManager* GuiGraphicsHost::GetAnimationManager()
			{
				return &animationManager;
			}

			void GuiGraphicsHost::DisconnectComposition(GuiGraphicsComposition* composition)
			{
				DisconnectCompositionInternal(composition);
			}

/***********************************************************************
GuiTimeBasedAnimation
***********************************************************************/

			GuiTimeBasedAnimation::GuiTimeBasedAnimation(vint totalMilliseconds)
				:startTime(0)
				,length(totalMilliseconds)
			{
				Restart();
			}

			GuiTimeBasedAnimation::~GuiTimeBasedAnimation()
			{
			}

			void GuiTimeBasedAnimation::Restart(vint totalMilliseconds)
			{
				startTime=DateTime::LocalTime().totalMilliseconds;
				if(totalMilliseconds>-1)
				{
					length=totalMilliseconds;
				}
			}

			vint GuiTimeBasedAnimation::GetTotalLength()
			{
				return length;
			}

			vint GuiTimeBasedAnimation::GetCurrentPosition()
			{
				return (vint)(DateTime::LocalTime().totalMilliseconds-startTime);
			}

/***********************************************************************
GuiShortcutKeyItem
***********************************************************************/

			GuiShortcutKeyItem::GuiShortcutKeyItem(GuiShortcutKeyManager* _shortcutKeyManager, bool _ctrl, bool _shift, bool _alt, vint _key)
				:shortcutKeyManager(_shortcutKeyManager)
				,ctrl(_ctrl)
				,shift(_shift)
				,alt(_alt)
				,key(_key)
			{
			}

			GuiShortcutKeyItem::~GuiShortcutKeyItem()
			{
			}

			IGuiShortcutKeyManager* GuiShortcutKeyItem::GetManager()
			{
				return shortcutKeyManager;
			}

			WString GuiShortcutKeyItem::GetName()
			{
				WString name;
				if(ctrl) name+=L"Ctrl+";
				if(shift) name+=L"Shift+";
				if(alt) name+=L"Alt+";
				name+=GetCurrentController()->InputService()->GetKeyName(key);
				return name;
			}

			bool GuiShortcutKeyItem::CanActivate(const NativeWindowKeyInfo& info)
			{
				return
					info.ctrl==ctrl &&
					info.shift==shift &&
					info.alt==alt &&
					info.code==key;
			}

			bool GuiShortcutKeyItem::CanActivate(bool _ctrl, bool _shift, bool _alt, vint _key)
			{
				return
					_ctrl==ctrl &&
					_shift==shift &&
					_alt==alt &&
					_key==key;
			}

/***********************************************************************
GuiShortcutKeyManager
***********************************************************************/

			GuiShortcutKeyManager::GuiShortcutKeyManager()
			{
			}

			GuiShortcutKeyManager::~GuiShortcutKeyManager()
			{
			}

			vint GuiShortcutKeyManager::GetItemCount()
			{
				return shortcutKeyItems.Count();
			}

			IGuiShortcutKeyItem* GuiShortcutKeyManager::GetItem(vint index)
			{
				return shortcutKeyItems[index].Obj();
			}

			bool GuiShortcutKeyManager::Execute(const NativeWindowKeyInfo& info)
			{
				bool executed=false;
				FOREACH(Ptr<GuiShortcutKeyItem>, item, shortcutKeyItems)
				{
					if(item->CanActivate(info))
					{
						GuiEventArgs arguments;
						item->Executed.Execute(arguments);
						executed=true;
					}
				}
				return executed;
			}

			IGuiShortcutKeyItem* GuiShortcutKeyManager::CreateShortcut(bool ctrl, bool shift, bool alt, vint key)
			{
				FOREACH(Ptr<GuiShortcutKeyItem>, item, shortcutKeyItems)
				{
					if(item->CanActivate(ctrl, shift, alt, key))
					{
						return item.Obj();
					}
				}
				Ptr<GuiShortcutKeyItem> item=new GuiShortcutKeyItem(this, ctrl, shift, alt, key);
				shortcutKeyItems.Add(item);
				return item.Obj();
			}

			bool GuiShortcutKeyManager::DestroyShortcut(bool ctrl, bool shift, bool alt, vint key)
			{
				FOREACH(Ptr<GuiShortcutKeyItem>, item, shortcutKeyItems)
				{
					if(item->CanActivate(ctrl, shift, alt, key))
					{
						shortcutKeyItems.Remove(item.Obj());
						return true;
					}
				}
				return false;
			}

			IGuiShortcutKeyItem* GuiShortcutKeyManager::TryGetShortcut(bool ctrl, bool shift, bool alt, vint key)
			{
				FOREACH(Ptr<GuiShortcutKeyItem>, item, shortcutKeyItems)
				{
					if(item->CanActivate(ctrl, shift, alt, key))
					{
						return item.Obj();
					}
				}
				return 0;
			}
		}
	}
}

/***********************************************************************
GRAPHICSELEMENT\GUIGRAPHICSRESOURCEMANAGER.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		namespace elements
		{
			using namespace collections;

/***********************************************************************
GuiGraphicsResourceManager
***********************************************************************/

			GuiGraphicsResourceManager::GuiGraphicsResourceManager()
			{
			}

			GuiGraphicsResourceManager::~GuiGraphicsResourceManager()
			{
			}

			bool GuiGraphicsResourceManager::RegisterElementFactory(IGuiGraphicsElementFactory* factory)
			{
				if(elementFactories.Keys().Contains(factory->GetElementTypeName()))
				{
					return false;
				}
				else
				{
					elementFactories.Add(factory->GetElementTypeName(), factory);
					return true;
				}
			}

			bool GuiGraphicsResourceManager::RegisterRendererFactory(const WString& elementTypeName, IGuiGraphicsRendererFactory* factory)
			{
				if(rendererFactories.Keys().Contains(elementTypeName))
				{
					return false;
				}
				else
				{
					rendererFactories.Add(elementTypeName, factory);
					return true;
				}
			}

			IGuiGraphicsElementFactory* GuiGraphicsResourceManager::GetElementFactory(const WString& elementTypeName)
			{
				vint index=elementFactories.Keys().IndexOf(elementTypeName);
				return index==-1?0:elementFactories.Values().Get(index).Obj();
			}

			IGuiGraphicsRendererFactory* GuiGraphicsResourceManager::GetRendererFactory(const WString& elementTypeName)
			{
				vint index=rendererFactories.Keys().IndexOf(elementTypeName);
				return index==-1?0:rendererFactories.Values().Get(index).Obj();
			}

			GuiGraphicsResourceManager* guiGraphicsResourceManager=0;

			GuiGraphicsResourceManager* GetGuiGraphicsResourceManager()
			{
				return guiGraphicsResourceManager;
			}

			void SetGuiGraphicsResourceManager(GuiGraphicsResourceManager* resourceManager)
			{
				guiGraphicsResourceManager=resourceManager;
			}

			bool RegisterFactories(IGuiGraphicsElementFactory* elementFactory, IGuiGraphicsRendererFactory* rendererFactory)
			{
				if(guiGraphicsResourceManager && elementFactory && rendererFactory)
				{
					if(guiGraphicsResourceManager->RegisterElementFactory(elementFactory))
					{
						if(guiGraphicsResourceManager->RegisterRendererFactory(elementFactory->GetElementTypeName(), rendererFactory))
						{
							return true;
						}
					}
				}
				return false;
			}
		}
	}
}

/***********************************************************************
GRAPHICSELEMENT\GUIGRAPHICSTEXTELEMENT.CPP
***********************************************************************/

namespace vl
{
	using namespace collections;

	namespace presentation
	{
		namespace elements
		{
			namespace text
			{

/***********************************************************************
text::TextLine
***********************************************************************/

				TextLine::TextLine()
					:text(0)
					,att(0)
					,availableOffsetCount(0)
					,bufferLength(0)
					,dataLength(0)
					,lexerFinalState(-1)
					,contextFinalState(-1)
				{
				}

				TextLine::~TextLine()
				{
				}

				vint TextLine::CalculateBufferLength(vint dataLength)
				{
					if(dataLength<1)dataLength=1;
					vint bufferLength=dataLength-dataLength%BlockSize;
					if(bufferLength<dataLength)
					{
						bufferLength+=BlockSize;
					}
					return bufferLength;
				}

				void TextLine::Initialize()
				{
					Finalize();
					text=new wchar_t[BlockSize];
					att=new CharAtt[BlockSize];
					bufferLength=BlockSize;

					memset(text, 0, sizeof(wchar_t)*bufferLength);
					memset(att, 0, sizeof(CharAtt)*bufferLength);
				}

				void TextLine::Finalize()
				{
					if(text)
					{
						delete[] text;
						text=0;
					}
					if(att)
					{
						delete[] att;
						att=0;
					}
					availableOffsetCount=0;
					bufferLength=0;
					dataLength=0;
				}

				bool TextLine::IsReady()
				{
					return text && att;
				}

				bool TextLine::Modify(vint start, vint count, const wchar_t* input, vint inputCount)
				{
					if(!text || !att || start<0 || count<0 || start+count>dataLength || inputCount<0) return false;

					vint newDataLength=dataLength-count+inputCount;
					vint newBufferLength=CalculateBufferLength(newDataLength);
					if(newBufferLength!=bufferLength)
					{
						wchar_t* newText=new wchar_t[newBufferLength];
						memcpy(newText, text, start*sizeof(wchar_t));
						memcpy(newText+start, input, inputCount*sizeof(wchar_t));
						memcpy(newText+start+inputCount, text+start+count, (dataLength-start-count)*sizeof(wchar_t));

						CharAtt* newAtt=new CharAtt[newBufferLength];
						memcpy(newAtt, att, start*sizeof(CharAtt));
						memset(newAtt+start, 0, inputCount*sizeof(CharAtt));
						memcpy(newAtt+start+inputCount, att+start+count, (dataLength-start-count)*sizeof(CharAtt));

						delete[] text;
						delete[] att;
						text=newText;
						att=newAtt;
					}
					else
					{
						memmove(text+start+inputCount, text+start+count, (dataLength-start-count)*sizeof(wchar_t));
						memmove(att+start+inputCount, att+start+count, (dataLength-start-count)*sizeof(CharAtt));
						memcpy(text+start, input, inputCount*sizeof(wchar_t));
						memset(att+start, 0, inputCount*sizeof(CharAtt));
					}
					dataLength=newDataLength;
					bufferLength=newBufferLength;
					if(availableOffsetCount>start)
					{
						availableOffsetCount=start;
					}

					return true;
				}

				TextLine TextLine::Split(vint index)
				{
					if(index<0 || index>dataLength) return TextLine();
					vint count=dataLength-index;
					TextLine line;
					line.Initialize();
					line.Modify(0, 0, text+index, count);
					memcpy(line.att, att+index, count*sizeof(CharAtt));
					Modify(index, count, L"", 0);
					return line;
				}

				void TextLine::AppendAndFinalize(TextLine& line)
				{
					vint oldDataLength=dataLength;
					Modify(oldDataLength, 0, line.text, line.dataLength);
					memcpy(att+oldDataLength, line.att, line.dataLength*sizeof(CharAtt));
					line.Finalize();
				}

/***********************************************************************
text::CharMeasurer
***********************************************************************/

				CharMeasurer::CharMeasurer(vint _rowHeight)
					:oldRenderTarget(0)
					,rowHeight(_rowHeight)
				{
					memset(widths, 0, sizeof(widths));
				}

				CharMeasurer::~CharMeasurer()
				{
				}

				void CharMeasurer::SetRenderTarget(IGuiGraphicsRenderTarget* value)
				{
					if(oldRenderTarget!=value)
					{
						oldRenderTarget=value;
						rowHeight=GetRowHeightInternal(oldRenderTarget);
						memset(widths, 0, sizeof(widths));
					}
				}

				vint CharMeasurer::MeasureWidth(wchar_t character)
				{
					vint w=widths[character];
					if(w==0)
					{
						widths[character]=w=MeasureWidthInternal(character, oldRenderTarget);
					}
					return w;
				}

				vint CharMeasurer::GetRowHeight()
				{
					return rowHeight;
				}

/***********************************************************************
text::TextLines
***********************************************************************/

				TextLines::TextLines()
					:charMeasurer(0)
					,renderTarget(0)
					,tabWidth(1)
					,tabSpaceCount(4)
					,passwordChar(L'\0')
				{
					TextLine line;
					line.Initialize();
					lines.Add(line);
				}

				TextLines::~TextLines()
				{
					RemoveLines(0, lines.Count());
				}

				//--------------------------------------------------------

				vint TextLines::GetCount()
				{
					return lines.Count();
				}

				TextLine& TextLines::GetLine(vint row)
				{
					return lines[row];
				}

				CharMeasurer* TextLines::GetCharMeasurer()
				{
					return charMeasurer;
				}

				void TextLines::SetCharMeasurer(CharMeasurer* value)
				{
					charMeasurer=value;
					if(charMeasurer) charMeasurer->SetRenderTarget(renderTarget);
					ClearMeasurement();
				}

				IGuiGraphicsRenderTarget* TextLines::GetRenderTarget()
				{
					return renderTarget;
				}

				void TextLines::SetRenderTarget(IGuiGraphicsRenderTarget* value)
				{
					renderTarget=value;
					if(charMeasurer) charMeasurer->SetRenderTarget(renderTarget);
					ClearMeasurement();
				}

				WString TextLines::GetText(TextPos start, TextPos end)
				{
					if(!IsAvailable(start) || !IsAvailable(end) || start>end) return L"";

					if(start.row==end.row)
					{
						return WString(lines[start.row].text+start.column, end.column-start.column);
					}

					vint count=0;
					for(vint i=start.row+1;i<end.row;i++)
					{
						count+=lines[i].dataLength;
					}
					count+=lines[start.row].dataLength-start.column;
					count+=end.column;

					Array<wchar_t> buffer;
					buffer.Resize(count+(end.row-start.row)*2);
					wchar_t* writing=&buffer[0];

					for(vint i=start.row;i<=end.row;i++)
					{
						wchar_t* text=lines[i].text;
						vint chars=0;
						if(i==start.row)
						{
							text+=start.column;
							chars=lines[i].dataLength-start.column;
						}
						else if(i==end.row)
						{
							chars=end.column;
						}
						else
						{
							chars=lines[i].dataLength;
						}

						if(i!=start.row)
						{
							*writing++=L'\r';
							*writing++=L'\n';
						}
						memcpy(writing, text, chars*sizeof(wchar_t));
						writing+=chars;
					}
					return WString(&buffer[0], buffer.Count());
				}

				WString TextLines::GetText()
				{
					return GetText(TextPos(0, 0), TextPos(lines.Count()-1, lines[lines.Count()-1].dataLength));
				}

				void TextLines::SetText(const WString& value)
				{
					Modify(TextPos(0, 0), TextPos(lines.Count()-1, lines[lines.Count()-1].dataLength), value);
				}

				//--------------------------------------------------------

				bool TextLines::RemoveLines(vint start, vint count)
				{
					if(start<0 || count<0 || start+count>lines.Count()) return false;
					for(vint i=start+count-1;i>=start;i--)
					{
						lines[i].Finalize();
					}
					lines.RemoveRange(start, count);
					return true;
				}

				bool TextLines::IsAvailable(TextPos pos)
				{
					return 0<=pos.row && pos.row<lines.Count() && 0<=pos.column && pos.column<=lines[pos.row].dataLength;
				}

				TextPos TextLines::Normalize(TextPos pos)
				{
					if(pos.row<0)
					{
						return TextPos(0, 0);
					}
					else if(pos.row>=lines.Count())
					{
						return TextPos(lines.Count()-1, lines[lines.Count()-1].dataLength);
					}
					else
					{
						TextLine& line=lines[pos.row];
						if(pos.column<0)
						{
							return TextPos(pos.row, 0);
						}
						else if(pos.column>line.dataLength)
						{
							return TextPos(pos.row, line.dataLength);
						}
						else
						{
							return pos;
						}
					}
				}

				TextPos TextLines::Modify(TextPos start, TextPos end, const wchar_t** inputs, vint* inputCounts, vint rows)
				{
					if(!IsAvailable(start) || !IsAvailable(end) || start>end) return TextPos(-1, -1);

					if(rows==1)
					{
						if(start.row==end.row)
						{
							lines[start.row].Modify(start.column, end.column-start.column, inputs[0], inputCounts[0]);
						}
						else
						{
							if(end.row-start.row>1)
							{
								RemoveLines(start.row+1, end.row-start.row-1);
							}
							vint modifyCount=lines[start.row].dataLength-start.column+end.column;
							lines[start.row].AppendAndFinalize(lines[start.row+1]);
							lines.RemoveAt(start.row+1);
							lines[start.row].Modify(start.column, modifyCount, inputs[0], inputCounts[0]);
						}
						return TextPos(start.row, start.column+inputCounts[0]);
					}

					if(start.row==end.row)
					{
						TextLine newLine=lines[start.row].Split(end.column);
						lines.Insert(start.row+1, newLine);
						end=TextPos(start.row+1, 0);
					}

					vint oldMiddleLines=end.row-start.row-1;
					vint newMiddleLines=rows-2;
					if(oldMiddleLines<newMiddleLines)
					{
						for(vint i=oldMiddleLines;i<newMiddleLines;i++)
						{
							TextLine line;
							line.Initialize();
							lines.Insert(end.row, line);
						}
					}
					else if(oldMiddleLines>newMiddleLines)
					{
						RemoveLines(start.row+newMiddleLines+1, oldMiddleLines-newMiddleLines);
					}
					end.row+=newMiddleLines-oldMiddleLines;

					lines[start.row].Modify(start.column, lines[start.row].dataLength-start.column, inputs[0], inputCounts[0]);
					lines[end.row].Modify(0, end.column, inputs[rows-1], inputCounts[rows-1]);
					for(vint i=1;i<rows-1;i++)
					{
						lines[start.row+i].Modify(0, lines[start.row+i].dataLength, inputs[i], inputCounts[i]);
					}
					return TextPos(end.row, inputCounts[rows-1]);
				}

				TextPos TextLines::Modify(TextPos start, TextPos end, const wchar_t* input, vint inputCount)
				{
					List<const wchar_t*> inputs;
					List<vint> inputCounts;
					const wchar_t* previous=input;
					const wchar_t* current=input;

					while(true)
					{
						if(current==input+inputCount)
						{
							inputs.Add(previous);
							inputCounts.Add(current-previous);
							break;
						}
						else if(*current==L'\r' || *current==L'\n')
						{
							inputs.Add(previous);
							inputCounts.Add(current-previous);
							previous=current+(current[1]==L'\n'?2:1);
							current=previous;
						}
						else
						{
							current++;
						}
					}

					return Modify(start, end, &inputs[0], &inputCounts[0], inputs.Count());
				}

				TextPos TextLines::Modify(TextPos start, TextPos end, const wchar_t* input)
				{
					return Modify(start, end, input, wcslen(input));
				}

				TextPos TextLines::Modify(TextPos start, TextPos end, const WString& input)
				{
					return Modify(start, end, input.Buffer(), input.Length());
				}

				void TextLines::Clear()
				{
					RemoveLines(0, lines.Count());
					TextLine line;
					line.Initialize();
					lines.Add(line);
				}

				//--------------------------------------------------------

				void TextLines::ClearMeasurement()
				{
					for(vint i=0;i<lines.Count();i++)
					{
						lines[i].availableOffsetCount=0;
					}
					if(charMeasurer)
					{
						tabWidth=tabSpaceCount*charMeasurer->MeasureWidth(L' ');
					}
					if(tabWidth==0)
					{
						tabWidth=1;
					}
				}

				vint TextLines::GetTabSpaceCount()
				{
					return tabSpaceCount;
				}

				void TextLines::SetTabSpaceCount(vint value)
				{
					if(value<1) value=1;
					if(tabSpaceCount!=value)
					{
						tabSpaceCount=value;
						ClearMeasurement();
					}
				}

				void TextLines::MeasureRow(vint row)
				{
					TextLine& line=lines[row];
					vint offset=0;
					if(line.availableOffsetCount)
					{
						offset=line.att[line.availableOffsetCount-1].rightOffset;
					}
					for(vint i=line.availableOffsetCount;i<line.dataLength;i++)
					{
						CharAtt& att=line.att[i];
						wchar_t c=line.text[i];
						vint width=0;
						if(passwordChar)
						{
							width=charMeasurer->MeasureWidth(passwordChar);
						}
						else if(c==L'\t')
						{
							width=tabWidth-offset%tabWidth;
						}
						else
						{
							width=charMeasurer->MeasureWidth(line.text[i]);
						}
						offset+=width;
						att.rightOffset=(int)offset;
					}
					line.availableOffsetCount=line.dataLength;
				}

				vint TextLines::GetRowWidth(vint row)
				{
					if(row<0 || row>=lines.Count()) return -1;
					TextLine& line=lines[row];
					if(line.dataLength==0)
					{
						return 0;
					}
					else
					{
						MeasureRow(row);
						return line.att[line.dataLength-1].rightOffset;
					}
				}

				vint TextLines::GetRowHeight()
				{
					return charMeasurer->GetRowHeight();
				}

				vint TextLines::GetMaxWidth()
				{
					vint width=0;
					for(vint i=0;i<lines.Count();i++)
					{
						vint rowWidth=GetRowWidth(i);
						if(width<rowWidth)
						{
							width=rowWidth;
						}
					}
					return width;
				}

				vint TextLines::GetMaxHeight()
				{
					return lines.Count()*charMeasurer->GetRowHeight();
				}

				TextPos TextLines::GetTextPosFromPoint(Point point)
				{
					vint h=charMeasurer->GetRowHeight();
					if(point.y<0)
					{
						point.y=0;
					}
					else if(point.y>=h*lines.Count())
					{
						point.y=h*lines.Count()-1;
					}

					vint row=point.y/h;
					if(point.x<0)
					{
						return TextPos(row, 0);
					}
					else if(point.x>=GetRowWidth(row))
					{
						return TextPos(row, lines[row].dataLength);
					}
					TextLine& line=lines[row];

					vint i1=0, i2=line.dataLength;
					vint p1=0, p2=line.att[line.dataLength-1].rightOffset;
					while(i2-i1>1)
					{
						vint i=(i1+i2)/2;
						vint p=i==0?0:line.att[i-1].rightOffset;
						if(point.x<p)
						{
							i2=i;
							p2=p;
						}
						else
						{
							i1=i;
							p1=p;
						}
					}
					return TextPos(row, i1);
				}

				Point TextLines::GetPointFromTextPos(TextPos pos)
				{
					if(IsAvailable(pos))
					{
						vint y=pos.row*charMeasurer->GetRowHeight();
						if(pos.column==0)
						{
							return Point(0, y);
						}
						else
						{
							MeasureRow(pos.row);
							TextLine& line=lines[pos.row];
							return Point(line.att[pos.column-1].rightOffset, y);
						}
					}
					else
					{
						return Point(-1, -1);
					}
				}

				Rect TextLines::GetRectFromTextPos(TextPos pos)
				{
					Point point=GetPointFromTextPos(pos);
					if(point==Point(-1, -1))
					{
						return Rect(-1, -1, -1, -1);
					}
					else
					{
						vint h=charMeasurer->GetRowHeight();
						TextLine& line=lines[pos.row];
						if(pos.column==line.dataLength)
						{
							return Rect(point, Size(h/2, h));
						}
						else
						{
							return Rect(point, Size(line.att[pos.column].rightOffset-point.x, h));
						}
					}
				}

				//--------------------------------------------------------

				wchar_t TextLines::GetPasswordChar()
				{
					return passwordChar;
				}

				void TextLines::SetPasswordChar(wchar_t value)
				{
					passwordChar=value;
					ClearMeasurement();
				}
			}

			using namespace text;

/***********************************************************************
GuiColorizedTextElement
***********************************************************************/

			GuiColorizedTextElement::GuiColorizedTextElement()
				:callback(0)
				,isVisuallyEnabled(true)
				,isFocused(false)
				,caretVisible(false)
			{
			}

			GuiColorizedTextElement::~GuiColorizedTextElement()
			{
				renderer->Finalize();
			}

			text::TextLines& GuiColorizedTextElement::GetLines()
			{
				return lines;
			}

			GuiColorizedTextElement::ICallback* GuiColorizedTextElement::GetCallback()
			{
				return callback;
			}

			void GuiColorizedTextElement::SetCallback(ICallback* value)
			{
				callback=value;
				if(!callback)
				{
					lines.SetCharMeasurer(0);
				}
			}

			const GuiColorizedTextElement::ColorArray& GuiColorizedTextElement::GetColors()
			{
				return colors;
			}

			void GuiColorizedTextElement::SetColors(const ColorArray& value)
			{
				CopyFrom(colors, value);
				if(callback) callback->ColorChanged();
				if(renderer)
				{
					renderer->OnElementStateChanged();
				}
			}

			void GuiColorizedTextElement::ResetTextColorIndex(vint index)
			{
				vint lineCount = lines.GetCount();
				for (vint i = 0; i < lineCount; i++)
				{
					auto& line = lines.GetLine(i);
					line.lexerFinalState = -1;
					line.contextFinalState = -1;
					for (vint j = 0; j < line.dataLength; j++)
					{
						line.att[j].colorIndex = (vuint32_t)index;
					}
				}
			}

			const FontProperties& GuiColorizedTextElement::GetFont()
			{
				return font;
			}

			void GuiColorizedTextElement::SetFont(const FontProperties& value)
			{
				if(font!=value)
				{
					font=value;
					if(callback)
					{
						callback->FontChanged();
					}
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			wchar_t GuiColorizedTextElement::GetPasswordChar()
			{
				return lines.GetPasswordChar();
			}

			void GuiColorizedTextElement::SetPasswordChar(wchar_t value)
			{
				if(lines.GetPasswordChar()!=value)
				{
					lines.SetPasswordChar(value);
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			Point GuiColorizedTextElement::GetViewPosition()
			{
				return viewPosition;
			}

			void GuiColorizedTextElement::SetViewPosition(Point value)
			{
				if(viewPosition!=value)
				{
					viewPosition=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			bool GuiColorizedTextElement::GetVisuallyEnabled()
			{
				return isVisuallyEnabled;
			}

			void GuiColorizedTextElement::SetVisuallyEnabled(bool value)
			{
				if(isVisuallyEnabled!=value)
				{
					isVisuallyEnabled=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			bool GuiColorizedTextElement::GetFocused()
			{
				return isFocused;
			}

			void GuiColorizedTextElement::SetFocused(bool value)
			{
				if(isFocused!=value)
				{
					isFocused=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}

			TextPos GuiColorizedTextElement::GetCaretBegin()
			{
				return caretBegin;
			}

			void GuiColorizedTextElement::SetCaretBegin(TextPos value)
			{
				caretBegin=value;
			}

			TextPos GuiColorizedTextElement::GetCaretEnd()
			{
				return caretEnd;
			}

			void GuiColorizedTextElement::SetCaretEnd(TextPos value)
			{
				caretEnd=value;
			}

			bool GuiColorizedTextElement::GetCaretVisible()
			{
				return caretVisible;
			}

			void GuiColorizedTextElement::SetCaretVisible(bool value)
			{
				caretVisible=value;
			}

			Color GuiColorizedTextElement::GetCaretColor()
			{
				return caretColor;
			}

			void GuiColorizedTextElement::SetCaretColor(Color value)
			{
				if(caretColor!=value)
				{
					caretColor=value;
					if(renderer)
					{
						renderer->OnElementStateChanged();
					}
				}
			}
		}
	}
}

/***********************************************************************
NATIVEWINDOW\GUINATIVEWINDOW.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{

/***********************************************************************
INativeWindowListener
***********************************************************************/

		INativeWindowListener::HitTestResult INativeWindowListener::HitTest(Point location)
		{
			return INativeWindowListener::NoDecision;
		}

		void INativeWindowListener::Moving(Rect& bounds, bool fixSizeOnly)
		{
		}

		void INativeWindowListener::Moved()
		{
		}

		void INativeWindowListener::Enabled()
		{
		}

		void INativeWindowListener::Disabled()
		{
		}

		void INativeWindowListener::GotFocus()
		{
		}

		void INativeWindowListener::LostFocus()
		{
		}

		void INativeWindowListener::Activated()
		{
		}

		void INativeWindowListener::Deactivated()
		{
		}

		void INativeWindowListener::Opened()
		{
		}

		void INativeWindowListener::Closing(bool& cancel)
		{
		}

		void INativeWindowListener::Closed()
		{
		}

		void INativeWindowListener::Paint()
		{
		}

		void INativeWindowListener::Destroying()
		{
		}

		void INativeWindowListener::Destroyed()
		{
		}

		void INativeWindowListener::LeftButtonDown(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::LeftButtonUp(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::LeftButtonDoubleClick(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::RightButtonDown(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::RightButtonUp(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::RightButtonDoubleClick(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::MiddleButtonDown(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::MiddleButtonUp(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::MiddleButtonDoubleClick(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::HorizontalWheel(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::VerticalWheel(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::MouseMoving(const NativeWindowMouseInfo& info)
		{
		}

		void INativeWindowListener::MouseEntered()
		{
		}

		void INativeWindowListener::MouseLeaved()
		{
		}

		void INativeWindowListener::KeyDown(const NativeWindowKeyInfo& info)
		{
		}

		void INativeWindowListener::KeyUp(const NativeWindowKeyInfo& info)
		{
		}

		void INativeWindowListener::SysKeyDown(const NativeWindowKeyInfo& info)
		{
		}

		void INativeWindowListener::SysKeyUp(const NativeWindowKeyInfo& info)
		{
		}

		void INativeWindowListener::Char(const NativeWindowCharInfo& info)
		{
		}

/***********************************************************************
INativeControllerListener
***********************************************************************/

		void INativeControllerListener::LeftButtonDown(Point position)
		{
		}

		void INativeControllerListener::LeftButtonUp(Point position)
		{
		}

		void INativeControllerListener::RightButtonDown(Point position)
		{
		}

		void INativeControllerListener::RightButtonUp(Point position)
		{
		}

		void INativeControllerListener::MouseMoving(Point position)
		{
		}

		void INativeControllerListener::GlobalTimer()
		{
		}

		void INativeControllerListener::ClipboardUpdated()
		{
		}

		void INativeControllerListener::NativeWindowCreated(INativeWindow* window)
		{
		}

		void INativeControllerListener::NativeWindowDestroying(INativeWindow* window)
		{
		}

/***********************************************************************
Native Window Provider
***********************************************************************/

		INativeController* currentController=0;

		INativeController* GetCurrentController()
		{
			return currentController;
		}

		void SetCurrentController(INativeController* controller)
		{
			currentController=controller;
		}
	}
}

/***********************************************************************
RESOURCES\GUIDOCUMENT.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		using namespace collections;
		using namespace parsing::tabling;
		using namespace parsing::xml;
		using namespace regex;

/***********************************************************************
DocumentFontSize
***********************************************************************/

		DocumentFontSize DocumentFontSize::Parse(const WString& value)
		{
			if (value.Length() > 0 && value[value.Length() - 1] == L'x')
			{
				return DocumentFontSize(wtof(value.Left(value.Length() - 1)), true);
			}
			else
			{
				return DocumentFontSize(wtof(value), false);
			}
		}

		WString DocumentFontSize::ToString()const
		{
			return ftow(size) + (relative ? L"x" : L"");
		}

/***********************************************************************
DocumentImageRun
***********************************************************************/

		const wchar_t* DocumentImageRun::RepresentationText=L"[Image]";
		const wchar_t* DocumentEmbeddedObjectRun::RepresentationText=L"[EmbeddedObject]";

/***********************************************************************
ExtractTextVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class ExtractTextVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				stream::TextWriter&				writer;
				bool							skipNonTextContent;

				ExtractTextVisitor(stream::TextWriter& _writer, bool _skipNonTextContent)
					:writer(_writer)
					,skipNonTextContent(_skipNonTextContent)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					FOREACH(Ptr<DocumentRun>, subRun, run->runs)
					{
						subRun->Accept(this);
					}
				}

				void VisitContent(DocumentContentRun* run)
				{
					writer.WriteString(run->GetRepresentationText());
				}

				void Visit(DocumentTextRun* run)override
				{
					VisitContent(run);
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentImageRun* run)override
				{
					if(!skipNonTextContent)
					{
						VisitContent(run);
					}
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
					if(!skipNonTextContent)
					{
						VisitContent(run);
					}
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
DocumentParagraphRun
***********************************************************************/

		WString DocumentParagraphRun::GetText(bool skipNonTextContent)
		{
			stream::MemoryStream memoryStream;
			{
				stream::StreamWriter writer(memoryStream);
				GetText(writer, skipNonTextContent);
			}

			memoryStream.SeekFromBegin(0);
			stream::StreamReader reader(memoryStream);
			return reader.ReadToEnd();
		}

		void DocumentParagraphRun::GetText(stream::TextWriter& writer, bool skipNonTextContent)
		{
			ExtractTextVisitor visitor(writer, skipNonTextContent);
			Accept(&visitor);
		}

/***********************************************************************
DocumentModel
***********************************************************************/

		const wchar_t* DocumentModel::DefaultStyleName		= L"#Default";
		const wchar_t* DocumentModel::SelectionStyleName	= L"#Selection";
		const wchar_t* DocumentModel::ContextStyleName		= L"#Context";
		const wchar_t* DocumentModel::NormalLinkStyleName	= L"#NormalLink";
		const wchar_t* DocumentModel::ActiveLinkStyleName	= L"#ActiveLink";

		DocumentModel::DocumentModel()
		{
			{
				FontProperties font=GetCurrentController()->ResourceService()->GetDefaultFont();
				Ptr<DocumentStyleProperties> sp=new DocumentStyleProperties;
				sp->face=font.fontFamily;
				sp->size=DocumentFontSize(font.size, false);
				sp->color=Color();
				sp->backgroundColor=Color(0, 0, 0, 0);
				sp->bold=font.bold;
				sp->italic=font.italic;
				sp->underline=font.underline;
				sp->strikeline=font.strikeline;
				sp->antialias=font.antialias;
				sp->verticalAntialias=font.verticalAntialias;

				Ptr<DocumentStyle> style=new DocumentStyle;
				style->styles=sp;
				styles.Add(L"#Default", style);
			}
			{
				Ptr<DocumentStyleProperties> sp=new DocumentStyleProperties;
				sp->color=Color(255, 255, 255);
				sp->backgroundColor=Color(51, 153, 255);

				Ptr<DocumentStyle> style=new DocumentStyle;
				style->styles=sp;
				styles.Add(L"#Selection", style);
			}
			{
				Ptr<DocumentStyleProperties> sp=new DocumentStyleProperties;

				Ptr<DocumentStyle> style=new DocumentStyle;
				style->styles=sp;
				styles.Add(L"#Context", style);
			}
			{
				Ptr<DocumentStyleProperties> sp=new DocumentStyleProperties;
				sp->color=Color(0, 0, 255);
				sp->underline=true;

				Ptr<DocumentStyle> style=new DocumentStyle;
				style->parentStyleName=L"#Context";
				style->styles=sp;
				styles.Add(L"#NormalLink", style);
			}
			{
				Ptr<DocumentStyleProperties> sp=new DocumentStyleProperties;
				sp->color=Color(0, 0, 255);
				sp->underline=true;

				Ptr<DocumentStyle> style=new DocumentStyle;
				style->parentStyleName=L"#Context";
				style->styles=sp;
				styles.Add(L"#ActiveLink", style);
			}
		}

		void DocumentModel::MergeStyle(Ptr<DocumentStyleProperties> style, Ptr<DocumentStyleProperties> parent)
		{
			if(!style->face					&& parent->face)				style->face					=parent->face;
			if(!style->size					&& parent->size)				style->size					=parent->size;
			if(!style->color				&& parent->color)				style->color				=parent->color;
			if(!style->backgroundColor		&& parent->backgroundColor)		style->backgroundColor		=parent->backgroundColor;
			if(!style->bold					&& parent->bold)				style->bold					=parent->bold;
			if(!style->italic				&& parent->italic)				style->italic				=parent->italic;
			if(!style->underline			&& parent->underline)			style->underline			=parent->underline;
			if(!style->strikeline			&& parent->strikeline)			style->strikeline			=parent->strikeline;
			if(!style->antialias			&& parent->antialias)			style->antialias			=parent->antialias;
			if(!style->verticalAntialias	&& parent->verticalAntialias)	style->verticalAntialias	=parent->verticalAntialias;
		}

		void DocumentModel::MergeBaselineStyle(Ptr<DocumentStyleProperties> style, const WString& styleName)
		{
			auto indexDst = styles.Keys().IndexOf(styleName);
			Ptr<DocumentStyleProperties> sp = new DocumentStyleProperties;
			MergeStyle(sp, style);
			if (indexDst != -1)
			{
				MergeStyle(sp, styles.Values()[indexDst]->styles);
			}

			if (indexDst == -1)
			{
				auto style = new DocumentStyle;
				style->styles = sp;
				styles.Add(styleName, style);
			}
			else
			{
				styles.Values()[indexDst]->styles = sp;
			}

			FOREACH(Ptr<DocumentStyle>, style, styles.Values())
			{
				style->resolvedStyles = nullptr;
			}
		}

		void DocumentModel::MergeBaselineStyle(Ptr<DocumentModel> baselineDocument, const WString& styleName)
		{
			auto indexSrc = baselineDocument->styles.Keys().IndexOf(styleName);
			if (indexSrc == -1)
			{
				return;
			}

			auto csp = baselineDocument->styles.Values()[indexSrc]->styles;
			MergeBaselineStyle(csp, styleName);
		}

		void DocumentModel::MergeBaselineStyles(Ptr<DocumentModel> baselineDocument)
		{
			MergeBaselineStyle(baselineDocument, DefaultStyleName);
			MergeBaselineStyle(baselineDocument, SelectionStyleName);
			MergeBaselineStyle(baselineDocument, ContextStyleName);
			MergeBaselineStyle(baselineDocument, NormalLinkStyleName);
			MergeBaselineStyle(baselineDocument, ActiveLinkStyleName);
		}

		void DocumentModel::MergeDefaultFont(const FontProperties& defaultFont)
		{
			Ptr<DocumentStyleProperties> style = new DocumentStyleProperties;

			style->face					=defaultFont.fontFamily;
			style->size					=DocumentFontSize(defaultFont.size, false);
			style->bold					=defaultFont.bold;
			style->italic				=defaultFont.italic;
			style->underline			=defaultFont.underline;
			style->strikeline			=defaultFont.strikeline;
			style->antialias			=defaultFont.antialias;
			style->verticalAntialias	=defaultFont.verticalAntialias;

			MergeBaselineStyle(style, DefaultStyleName);
		}

		DocumentModel::ResolvedStyle DocumentModel::GetStyle(Ptr<DocumentStyleProperties> sp, const ResolvedStyle& context)
		{
			FontProperties font;
			font.fontFamily			=sp->face				?sp->face.Value()				:context.style.fontFamily;
			font.bold				=sp->bold				?sp->bold.Value()				:context.style.bold;
			font.italic				=sp->italic				?sp->italic.Value()				:context.style.italic;
			font.underline			=sp->underline			?sp->underline.Value()			:context.style.underline;
			font.strikeline			=sp->strikeline			?sp->strikeline.Value()			:context.style.strikeline;
			font.antialias			=sp->antialias			?sp->antialias.Value()			:context.style.antialias;
			font.verticalAntialias	=sp->verticalAntialias	?sp->verticalAntialias.Value()	:context.style.verticalAntialias;
			Color color				=sp->color				?sp->color.Value()				:context.color;
			Color backgroundColor	=sp->backgroundColor	?sp->backgroundColor.Value()	:context.backgroundColor;

			if (sp->size)
			{
				font.size = (vint)(sp->size.Value().relative ? context.style.size * sp->size.Value().size : sp->size.Value().size);
			}
			else
			{
				font.size = context.style.size;
			}
			return ResolvedStyle(font, color, backgroundColor);
		}

		DocumentModel::ResolvedStyle DocumentModel::GetStyle(const WString& styleName, const ResolvedStyle& context)
		{
			Ptr<DocumentStyle> selectedStyle;
			{
				vint index=styles.Keys().IndexOf(styleName);
				if(index!=-1)
				{
					selectedStyle=styles.Values()[index];
				}
				else
				{
					selectedStyle=styles[L"#Default"];
				}
			}

			if(!selectedStyle->resolvedStyles)
			{
				Ptr<DocumentStyleProperties> sp = new DocumentStyleProperties;
				selectedStyle->resolvedStyles = sp;

				Ptr<DocumentStyle> currentStyle;
				WString currentName = styleName;
				while(true)
				{
					vint index = styles.Keys().IndexOf(currentName);
					if (index == -1) break;
					currentStyle = styles.Values().Get(index);
					currentName = currentStyle->parentStyleName;
					MergeStyle(sp, currentStyle->styles);
				}
			}

			Ptr<DocumentStyleProperties> sp=selectedStyle->resolvedStyles;
			return GetStyle(sp, context);
		}

		WString DocumentModel::GetText(bool skipNonTextContent)
		{
			stream::MemoryStream memoryStream;
			{
				stream::StreamWriter writer(memoryStream);
				GetText(writer, skipNonTextContent);
			}

			memoryStream.SeekFromBegin(0);
			stream::StreamReader reader(memoryStream);
			return reader.ReadToEnd();
		}

		void DocumentModel::GetText(stream::TextWriter& writer, bool skipNonTextContent)
		{
			for(vint i=0;i<paragraphs.Count();i++)
			{
				Ptr<DocumentParagraphRun> paragraph=paragraphs[i];
				paragraph->GetText(writer, skipNonTextContent);
				if(i<paragraphs.Count()-1)
				{
					writer.WriteString(L"\r\n\r\n");
				}
			}
		}
	}
}

/***********************************************************************
RESOURCES\GUIDOCUMENT_EDIT.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		using namespace collections;

		typedef DocumentModel::RunRange			RunRange;
		typedef DocumentModel::RunRangeMap		RunRangeMap;

/***********************************************************************
document_operation_visitors::GetRunRangeVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class GetRunRangeVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				RunRangeMap&					runRanges;
				vint							start;

				GetRunRangeVisitor(RunRangeMap& _runRanges)
					:runRanges(_runRanges)
					,start(0)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					RunRange range;
					range.start=start;
					FOREACH(Ptr<DocumentRun>, subRun, run->runs)
					{
						subRun->Accept(this);
					}
					range.end=start;
					runRanges.Add(run, range);
				}

				void VisitContent(DocumentContentRun* run)
				{
					RunRange range;
					range.start=start;
					start+=run->GetRepresentationText().Length();
					range.end=start;
					runRanges.Add(run, range);
				}

				void Visit(DocumentTextRun* run)override
				{
					VisitContent(run);
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentImageRun* run)override
				{
					VisitContent(run);
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
					VisitContent(run);
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}

				static void GetRunRange(DocumentParagraphRun* run, RunRangeMap& runRanges)
				{
					GetRunRangeVisitor visitor(runRanges);
					run->Accept(&visitor);
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::LocateStyleVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class LocateStyleVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				List<DocumentContainerRun*>&	locatedRuns;
				RunRangeMap&					runRanges;
				vint							position;
				bool							frontSide;

				LocateStyleVisitor(List<DocumentContainerRun*>& _locatedRuns, RunRangeMap& _runRanges, vint _position, bool _frontSide)
					:locatedRuns(_locatedRuns)
					,runRanges(_runRanges)
					,position(_position)
					,frontSide(_frontSide)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					locatedRuns.Add(run);
					Ptr<DocumentRun> selectedRun;
					FOREACH(Ptr<DocumentRun>, subRun, run->runs)
					{
						RunRange range=runRanges[subRun.Obj()];
						if(position==range.start)
						{
							if(!frontSide)
							{
								selectedRun=subRun;
								break;
							}
						}
						else if(position==range.end)
						{
							if(frontSide)
							{
								selectedRun=subRun;
								break;
							}
						}
						else if(range.start<position && position<range.end)
						{
							selectedRun=subRun;
							break;
						}
					}

					if(selectedRun)
					{
						selectedRun->Accept(this);
					}
				}

				void Visit(DocumentTextRun* run)override
				{
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentImageRun* run)override
				{
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}

				static void LocateStyle(DocumentParagraphRun* run, RunRangeMap& runRanges, vint position, bool frontSide, List<DocumentContainerRun*>& locatedRuns)
				{
					LocateStyleVisitor visitor(locatedRuns, runRanges, position, frontSide);
					run->Accept(&visitor);
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::LocateHyperlinkVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class LocateHyperlinkVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				Ptr<DocumentHyperlinkRun>		hyperlink;
				RunRangeMap&					runRanges;
				vint							start;
				vint							end;

				LocateHyperlinkVisitor(RunRangeMap& _runRanges, vint _start, vint _end)
					:runRanges(_runRanges)
					,start(_start)
					,end(_end)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					Ptr<DocumentRun> selectedRun;
					FOREACH(Ptr<DocumentRun>, subRun, run->runs)
					{
						RunRange range=runRanges[subRun.Obj()];
						if(range.start<=start && end<=range.end)
						{
							selectedRun=subRun;
							break;
						}
					}

					if(selectedRun)
					{
						selectedRun->Accept(this);
					}
				}

				void Visit(DocumentTextRun* run)override
				{
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					hyperlink=run;
				}

				void Visit(DocumentImageRun* run)override
				{
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}

				static Ptr<DocumentHyperlinkRun> LocateHyperlink(DocumentParagraphRun* run, RunRangeMap& runRanges, vint start, vint end)
				{
					LocateHyperlinkVisitor visitor(runRanges, start, end);
					run->Accept(&visitor);
					return visitor.hyperlink;
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::CloneRunVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class CloneRunVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				Ptr<DocumentRun>				clonedRun;

				CloneRunVisitor(Ptr<DocumentRun> subRun)
					:clonedRun(subRun)
				{
				}

				void VisitContainer(Ptr<DocumentContainerRun> cloned)
				{
					if(clonedRun)
					{
						cloned->runs.Add(clonedRun);
					}
					clonedRun=cloned;
				}

				void Visit(DocumentTextRun* run)override
				{
					Ptr<DocumentTextRun> cloned=new DocumentTextRun;
					cloned->text=run->text;
					clonedRun=cloned;
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					Ptr<DocumentStylePropertiesRun> cloned=new DocumentStylePropertiesRun;
					cloned->style=CopyStyle(run->style);
					VisitContainer(cloned);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					Ptr<DocumentStyleApplicationRun> cloned=new DocumentStyleApplicationRun;
					cloned->styleName=run->styleName;
					
					VisitContainer(cloned);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					Ptr<DocumentHyperlinkRun> cloned=new DocumentHyperlinkRun;
					cloned->styleName=run->styleName;
					cloned->normalStyleName=run->normalStyleName;
					cloned->activeStyleName=run->activeStyleName;
					cloned->reference=run->reference;
					
					VisitContainer(cloned);
				}

				void Visit(DocumentImageRun* run)override
				{
					Ptr<DocumentImageRun> cloned=new DocumentImageRun;
					cloned->size=run->size;
					cloned->baseline=run->baseline;
					cloned->image=run->image;
					cloned->frameIndex=run->frameIndex;
					cloned->source=run->source;
					clonedRun=cloned;
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
					Ptr<DocumentEmbeddedObjectRun> cloned=new DocumentEmbeddedObjectRun;
					cloned->name=run->name;
					clonedRun=cloned;
				}

				void Visit(DocumentParagraphRun* run)override
				{
					Ptr<DocumentParagraphRun> cloned=new DocumentParagraphRun;
					cloned->alignment=run->alignment;
						
					VisitContainer(cloned);
				}

				static Ptr<DocumentStyleProperties> CopyStyle(Ptr<DocumentStyleProperties> style)
				{
					Ptr<DocumentStyleProperties> newStyle=new DocumentStyleProperties;
					
					newStyle->face					=style->face;
					newStyle->size					=style->size;
					newStyle->color					=style->color;
					newStyle->backgroundColor		=style->backgroundColor;
					newStyle->bold					=style->bold;
					newStyle->italic				=style->italic;
					newStyle->underline				=style->underline;
					newStyle->strikeline			=style->strikeline;
					newStyle->antialias				=style->antialias;
					newStyle->verticalAntialias		=style->verticalAntialias;

					return newStyle;
				}

				static Ptr<DocumentRun> CopyRun(DocumentRun* run)
				{
					CloneRunVisitor visitor(0);
					run->Accept(&visitor);
					return visitor.clonedRun;
				}

				static Ptr<DocumentRun> CopyStyledText(List<DocumentContainerRun*>& styleRuns, const WString& text)
				{
					Ptr<DocumentTextRun> textRun=new DocumentTextRun;
					textRun->text=text;

					CloneRunVisitor visitor(textRun);
					for(vint i=styleRuns.Count()-1;i>=0;i--)
					{
						styleRuns[i]->Accept(&visitor);
					}

					return visitor.clonedRun;
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::CloneRunRecursivelyVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class CloneRunRecursivelyVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				Ptr<DocumentRun>				clonedRun;
				RunRangeMap&					runRanges;
				vint							start;
				vint							end;
				bool							deepCopy;

				CloneRunRecursivelyVisitor(RunRangeMap& _runRanges, vint _start, vint _end, bool _deepCopy)
					:runRanges(_runRanges)
					,start(_start)
					,end(_end)
					,deepCopy(_deepCopy)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					clonedRun=0;
					RunRange range=runRanges[run];
					if(range.start<=end && start<=range.end)
					{
						if(start<=range.start && range.end<=end && !deepCopy)
						{
							clonedRun=run;
						}
						else
						{
							Ptr<DocumentContainerRun> containerRun=CloneRunVisitor::CopyRun(run).Cast<DocumentContainerRun>();
							FOREACH(Ptr<DocumentRun>, subRun, run->runs)
							{
								subRun->Accept(this);
								if(clonedRun)
								{
									containerRun->runs.Add(clonedRun);
								}
							}
							clonedRun=containerRun;
						}
					}
				}

				void Visit(DocumentTextRun* run)override
				{
					clonedRun=0;
					RunRange range=runRanges[run];
					if(range.start<end && start<range.end)
					{
						if(start<=range.start && range.end<=end)
						{
							if(deepCopy)
							{
								clonedRun=CloneRunVisitor::CopyRun(run);
							}
							else
							{
								clonedRun=run;
							}
						}
						else
						{
							Ptr<DocumentTextRun> textRun=new DocumentTextRun;
							vint copyStart=start>range.start?start:range.start;
							vint copyEnd=end<range.end?end:range.end;
							if(copyStart<copyEnd)
							{
								textRun->text=run->text.Sub(copyStart-range.start, copyEnd-copyStart);
							}
							clonedRun=textRun;
						}
					}
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentImageRun* run)override
				{
					clonedRun=0;
					RunRange range=runRanges[run];
					if(range.start<end && start<range.end)
					{
						if(deepCopy)
						{
							clonedRun=CloneRunVisitor::CopyRun(run);
						}
						else
						{
							clonedRun=run;
						}
					}
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
					clonedRun=0;
					RunRange range=runRanges[run];
					if(range.start<end && start<range.end)
					{
						if(deepCopy)
						{
							clonedRun=CloneRunVisitor::CopyRun(run);
						}
						else
						{
							clonedRun=run;
						}
					}
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}

				static Ptr<DocumentRun> CopyRun(DocumentParagraphRun* run, RunRangeMap& runRanges, vint start, vint end, bool deepCopy)
				{
					CloneRunRecursivelyVisitor visitor(runRanges, start, end, deepCopy);
					run->Accept(&visitor);
					return visitor.clonedRun;
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::CollectStyleNameVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class CollectStyleNameVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				List<WString>&					styleNames;

				CollectStyleNameVisitor(List<WString>& _styleNames)
					:styleNames(_styleNames)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					FOREACH(Ptr<DocumentRun>, subRun, run->runs)
					{
						subRun->Accept(this);
					}
				}

				void Visit(DocumentTextRun* run)override
				{
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					if(!styleNames.Contains(run->styleName))
					{
						styleNames.Add(run->styleName);
					}
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					if(!styleNames.Contains(run->normalStyleName))
					{
						styleNames.Add(run->normalStyleName);
					}
					if(!styleNames.Contains(run->activeStyleName))
					{
						styleNames.Add(run->activeStyleName);
					}
					VisitContainer(run);
				}

				void Visit(DocumentImageRun* run)override
				{
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}

				static void CollectStyleName(DocumentParagraphRun* run, List<WString>& styleNames)
				{
					CollectStyleNameVisitor visitor(styleNames);
					run->Accept(&visitor);
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::ReplaceStyleNameVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class ReplaceStyleNameVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				WString							oldStyleName;
				WString							newStyleName;

				ReplaceStyleNameVisitor(const WString& _oldStyleName, const WString& _newStyleName)
					:oldStyleName(_oldStyleName)
					,newStyleName(_newStyleName)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					FOREACH(Ptr<DocumentRun>, subRun, run->runs)
					{
						subRun->Accept(this);
					}
				}

				void Visit(DocumentTextRun* run)override
				{
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					if(run->styleName==oldStyleName) run->styleName=newStyleName;
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					if(run->styleName==oldStyleName) run->styleName=newStyleName;
					if(run->normalStyleName==oldStyleName) run->normalStyleName=newStyleName;
					if(run->activeStyleName==oldStyleName) run->activeStyleName=newStyleName;
					VisitContainer(run);
				}

				void Visit(DocumentImageRun* run)override
				{
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}

				static void ReplaceStyleName(DocumentParagraphRun* run, const WString& oldStyleName, const WString& newStyleName)
				{
					ReplaceStyleNameVisitor visitor(oldStyleName, newStyleName);
					run->Accept(&visitor);
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::RemoveRunVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class RemoveRunVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				RunRangeMap&					runRanges;
				vint							start;
				vint							end;
				List<Ptr<DocumentRun>>			replacedRuns;

				RemoveRunVisitor(RunRangeMap& _runRanges, vint _start, vint _end)
					:runRanges(_runRanges)
					,start(_start)
					,end(_end)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					if(start==end) return;
					for(vint i=run->runs.Count()-1;i>=0;i--)
					{
						Ptr<DocumentRun> subRun=run->runs[i];
						RunRange range=runRanges[subRun.Obj()];

						if(range.start<=end && start<=range.end)
						{
							subRun->Accept(this);
							if(replacedRuns.Count()==0 || subRun!=replacedRuns[0])
							{
								run->runs.RemoveAt(i);
								for(vint j=0;j<replacedRuns.Count();j++)
								{
									run->runs.Insert(i+j, replacedRuns[j]);
								}
							}
						}
					}
					replacedRuns.Clear();
					replacedRuns.Add(run);
				}

				void Visit(DocumentTextRun* run)override
				{
					replacedRuns.Clear();
					RunRange range=runRanges[run];

					if(start<=range.start)
					{
						if(end<range.end)
						{
							run->text=run->text.Sub(end-range.start, range.end-end);
							replacedRuns.Add(run);
						}
					}
					else
					{
						if(end<range.end)
						{
							DocumentTextRun* firstRun=new DocumentTextRun;
							DocumentTextRun* secondRun=new DocumentTextRun;

							firstRun->text=run->text.Sub(0, start-range.start);
							secondRun->text=run->text.Sub(end-range.start, range.end-end);

							replacedRuns.Add(firstRun);
							replacedRuns.Add(secondRun);
						}
						else
						{
							run->text=run->text.Sub(0, start-range.start);
							replacedRuns.Add(run);
						}
					}
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentImageRun* run)override
				{
					replacedRuns.Clear();
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
					replacedRuns.Clear();
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}

				static void RemoveRun(DocumentParagraphRun* run, RunRangeMap& runRanges, vint start, vint end)
				{
					RemoveRunVisitor visitor(runRanges, start, end);
					run->Accept(&visitor);
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::CutRunVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class CutRunVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				RunRangeMap&					runRanges;
				vint							position;
				Ptr<DocumentRun>				leftRun;
				Ptr<DocumentRun>				rightRun;

				CutRunVisitor(RunRangeMap& _runRanges, vint _position)
					:runRanges(_runRanges)
					,position(_position)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					vint leftCount=0;
					Ptr<DocumentRun> selectedRun;

					FOREACH(Ptr<DocumentRun>, subRun, run->runs)
					{
						RunRange range=runRanges[subRun.Obj()];
						if(range.start<position)
						{
							leftCount++;
							if (position<range.end)
							{
								selectedRun=subRun;
							}
						}
						else
						{
							break;
						}
					}

					if(selectedRun)
					{
						selectedRun->Accept(this);
						if(leftRun && rightRun)
						{
							run->runs.RemoveAt(leftCount-1);
							run->runs.Insert(leftCount-1, leftRun);
							run->runs.Insert(leftCount, rightRun);
						}
					}
					
					Ptr<DocumentContainerRun> leftContainer=CloneRunVisitor::CopyRun(run).Cast<DocumentContainerRun>();
					Ptr<DocumentContainerRun> rightContainer=CloneRunVisitor::CopyRun(run).Cast<DocumentContainerRun>();
					for(vint i=0;i<run->runs.Count();i++)
					{
						(i<leftCount?leftContainer:rightContainer)->runs.Add(run->runs[i]);
					}
					leftRun=leftContainer;
					rightRun=rightContainer;
				}

				void Visit(DocumentTextRun* run)override
				{
					RunRange range=runRanges[run];

					Ptr<DocumentTextRun> leftText=new DocumentTextRun;
					leftText->text=run->text.Sub(0, position-range.start);

					Ptr<DocumentTextRun> rightText=new DocumentTextRun;
					rightText->text=run->text.Sub(position-range.start, range.end-position);

					leftRun=leftText;
					rightRun=rightText;
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentImageRun* run)override
				{
					leftRun=0;
					rightRun=0;
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
					leftRun=0;
					rightRun=0;
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}

				static void CutRun(DocumentParagraphRun* run, RunRangeMap& runRanges, vint position, Ptr<DocumentRun>& leftRun, Ptr<DocumentRun>& rightRun)
				{
					CutRunVisitor visitor(runRanges, position);
					run->Accept(&visitor);
					leftRun=visitor.leftRun;
					rightRun=visitor.rightRun;
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::ClearRunVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class ClearRunVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				vint							start;

				ClearRunVisitor()
					:start(0)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					for(vint i=run->runs.Count()-1;i>=0;i--)
					{
						vint oldStart=start;
						run->runs[i]->Accept(this);
						if(oldStart==start)
						{
							run->runs.RemoveAt(i);
						}
					}
				}

				void VisitContent(DocumentContentRun* run)
				{
					start+=run->GetRepresentationText().Length();
				}

				void Visit(DocumentTextRun* run)override
				{
					VisitContent(run);
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentImageRun* run)override
				{
					VisitContent(run);
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
					VisitContent(run);
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}

				static void ClearRun(DocumentParagraphRun* run)
				{
					ClearRunVisitor visitor;
					run->Accept(&visitor);
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::AddContainerVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class AddContainerVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				RunRangeMap&							runRanges;
				vint									start;
				vint									end;
				bool									insertStyle;

				virtual Ptr<DocumentContainerRun>		CreateContainer()=0;

				AddContainerVisitor(RunRangeMap& _runRanges, vint _start, vint _end)
					:runRanges(_runRanges)
					,start(_start)
					,end(_end)
					,insertStyle(false)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					for(vint i=run->runs.Count()-1;i>=0;i--)
					{
						Ptr<DocumentRun> subRun=run->runs[i];
						RunRange range=runRanges[subRun.Obj()];
						if(range.start<end && start<range.end)
						{
							insertStyle=false;
							subRun->Accept(this);
							if(insertStyle)
							{
								Ptr<DocumentContainerRun> containerRun=CreateContainer();
								run->runs.RemoveAt(i);
								containerRun->runs.Add(subRun);
								run->runs.Insert(i, containerRun);
							}
						}
					}
					insertStyle=false;
				}

				void Visit(DocumentTextRun* run)override
				{
					insertStyle=true;
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentImageRun* run)override
				{
					insertStyle=false;
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
					insertStyle=false;
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}
			};

			class AddStyleVisitor : public AddContainerVisitor
			{
			public:
				Ptr<DocumentStyleProperties>	style;

				Ptr<DocumentContainerRun> CreateContainer()override
				{
					Ptr<DocumentStylePropertiesRun> containerRun=new DocumentStylePropertiesRun;
					containerRun->style=CloneRunVisitor::CopyStyle(style);
					return containerRun;
				}

				AddStyleVisitor(RunRangeMap& _runRanges, vint _start, vint _end, Ptr<DocumentStyleProperties> _style)
					:AddContainerVisitor(_runRanges, _start, _end)
					,style(_style)
				{
				}

				static void AddStyle(DocumentParagraphRun* run, RunRangeMap& runRanges, vint start, vint end, Ptr<DocumentStyleProperties> style)
				{
					AddStyleVisitor visitor(runRanges, start, end, style);
					run->Accept(&visitor);
				}
			};

			class AddHyperlinkVisitor : public AddContainerVisitor
			{
			public:
				WString							reference;
				WString							normalStyleName;
				WString							activeStyleName;

				Ptr<DocumentContainerRun> CreateContainer()override
				{
					Ptr<DocumentHyperlinkRun> containerRun=new DocumentHyperlinkRun;
					containerRun->reference=reference;
					containerRun->normalStyleName=normalStyleName;
					containerRun->activeStyleName=activeStyleName;
					containerRun->styleName=normalStyleName;
					return containerRun;
				}

				AddHyperlinkVisitor(RunRangeMap& _runRanges, vint _start, vint _end, const WString& _reference, const WString& _normalStyleName, const WString& _activeStyleName)
					:AddContainerVisitor(_runRanges, _start, _end)
					,reference(_reference)
					,normalStyleName(_normalStyleName)
					,activeStyleName(_activeStyleName)
				{
				}

				static void AddHyperlink(DocumentParagraphRun* run, RunRangeMap& runRanges, vint start, vint end, const WString& reference, const WString& normalStyleName, const WString& activeStyleName)
				{
					AddHyperlinkVisitor visitor(runRanges, start, end, reference, normalStyleName, activeStyleName);
					run->Accept(&visitor);
				}
			};

			class AddStyleNameVisitor : public AddContainerVisitor
			{
			public:
				WString							styleName;

				Ptr<DocumentContainerRun> CreateContainer()override
				{
					Ptr<DocumentStyleApplicationRun> containerRun=new DocumentStyleApplicationRun;
					containerRun->styleName=styleName;
					return containerRun;
				}

				AddStyleNameVisitor(RunRangeMap& _runRanges, vint _start, vint _end, const WString& _styleName)
					:AddContainerVisitor(_runRanges, _start, _end)
					,styleName(_styleName)
				{
				}

				static void AddStyleName(DocumentParagraphRun* run, RunRangeMap& runRanges, vint start, vint end, const WString& styleName)
				{
					AddStyleNameVisitor visitor(runRanges, start, end, styleName);
					run->Accept(&visitor);
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::RemoveContainerVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class RemoveContainerVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				RunRangeMap&					runRanges;
				vint							start;
				vint							end;
				List<Ptr<DocumentRun>>			replacedRuns;

				RemoveContainerVisitor(RunRangeMap& _runRanges, vint _start, vint _end)
					:runRanges(_runRanges)
					,start(_start)
					,end(_end)
				{
				}

				void VisitContainer(DocumentContainerRun* run)
				{
					for(vint i=run->runs.Count()-1;i>=0;i--)
					{
						Ptr<DocumentRun> subRun=run->runs[i];
						RunRange range=runRanges[subRun.Obj()];
						if(range.start<end && start<range.end)
						{
							replacedRuns.Clear();
							subRun->Accept(this);
							if(replacedRuns.Count()!=1 || replacedRuns[0]!=subRun)
							{
								run->runs.RemoveAt(i);
								for(vint j=0;j<replacedRuns.Count();j++)
								{
									run->runs.Insert(i+j, replacedRuns[j]);
								}
								i+=replacedRuns.Count();
							}
						}
					}
					replacedRuns.Clear();
					replacedRuns.Add(run);
				}

				void VisitContent(DocumentContentRun* run)
				{
					replacedRuns.Add(run);
				}

				void RemoveContainer(DocumentContainerRun* run)
				{
					CopyFrom(replacedRuns, run->runs);
				}

				void Visit(DocumentTextRun* run)override
				{
					VisitContent(run);
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					VisitContainer(run);
				}

				void Visit(DocumentImageRun* run)override
				{
					VisitContent(run);
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
					VisitContent(run);
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}
			};

			class RemoveHyperlinkVisitor : public RemoveContainerVisitor
			{
			public:
				RemoveHyperlinkVisitor(RunRangeMap& _runRanges, vint _start, vint _end)
					:RemoveContainerVisitor(_runRanges, _start, _end)
				{
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					RemoveContainer(run);
				}

				static void RemoveHyperlink(DocumentParagraphRun* run, RunRangeMap& runRanges, vint start, vint end)
				{
					RemoveHyperlinkVisitor visitor(runRanges, start, end);
					run->Accept(&visitor);
				}
			};

			class RemoveStyleNameVisitor : public RemoveContainerVisitor
			{
			public:
				RemoveStyleNameVisitor(RunRangeMap& _runRanges, vint _start, vint _end)
					:RemoveContainerVisitor(_runRanges, _start, _end)
				{
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					RemoveContainer(run);
				}

				static void RemoveStyleName(DocumentParagraphRun* run, RunRangeMap& runRanges, vint start, vint end)
				{
					RemoveStyleNameVisitor visitor(runRanges, start, end);
					run->Accept(&visitor);
				}
			};

			class ClearStyleVisitor : public RemoveContainerVisitor
			{
			public:
				ClearStyleVisitor(RunRangeMap& _runRanges, vint _start, vint _end)
					:RemoveContainerVisitor(_runRanges, _start, _end)
				{
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					RemoveContainer(run);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					RemoveContainer(run);
				}

				static void ClearStyle(DocumentParagraphRun* run, RunRangeMap& runRanges, vint start, vint end)
				{
					ClearStyleVisitor visitor(runRanges, start, end);
					run->Accept(&visitor);
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
document_operation_visitors::SummerizeStyleVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class SummerizeStyleVisitor : public Object, public DocumentRun::IVisitor
			{
			public:
				RunRangeMap&							runRanges;
				DocumentModel*							model;
				vint									start;
				vint									end;
				Ptr<DocumentStyleProperties>			style;
				List<DocumentModel::ResolvedStyle>		resolvedStyles;

				SummerizeStyleVisitor(RunRangeMap& _runRanges, DocumentModel* _model, vint _start, vint _end)
					:runRanges(_runRanges)
					,model(_model)
					,start(_start)
					,end(_end)
				{
					DocumentModel::ResolvedStyle resolvedStyle;
					resolvedStyle = model->GetStyle(DocumentModel::DefaultStyleName, resolvedStyle);
					resolvedStyles.Add(resolvedStyle);
				}

				const DocumentModel::ResolvedStyle& GetCurrentResolvedStyle()
				{
					return resolvedStyles[resolvedStyles.Count()-1];
				}

				// ---------------------------------------------------------

				template<typename T>
				void SetStyleItem(Nullable<T> DocumentStyleProperties::* dstField, T FontProperties::* srcField)
				{
					const DocumentModel::ResolvedStyle& src = GetCurrentResolvedStyle();
					if (style.Obj()->*dstField && (style.Obj()->*dstField).Value() != src.style.*srcField)
					{
						style.Obj()->*dstField = Nullable<T>();
					}
				}

				template<typename T>
				void SetStyleItem(Nullable<T> DocumentStyleProperties::* dstField, T DocumentModel::ResolvedStyle::* srcField)
				{
					const DocumentModel::ResolvedStyle& src = GetCurrentResolvedStyle();
					if (style.Obj()->*dstField && (style.Obj()->*dstField).Value() != src.*srcField)
					{
						style.Obj()->*dstField = Nullable<T>();
					}
				}

				void SetStyleItem(Nullable<DocumentFontSize> DocumentStyleProperties::* dstField, vint FontProperties::* srcField)
				{
					const DocumentModel::ResolvedStyle& src = GetCurrentResolvedStyle();
					if (style.Obj()->*dstField)
					{
						auto dfs = (style.Obj()->*dstField).Value();
						if (dfs.relative || dfs.size != src.style.*srcField)
						{
							style.Obj()->*dstField = Nullable<DocumentFontSize>();
						}
					}
				}

				// ---------------------------------------------------------

				template<typename T>
				void OverrideStyleItem(Nullable<T> DocumentStyleProperties::* dstField, T FontProperties::* srcField)
				{
					const DocumentModel::ResolvedStyle& src = GetCurrentResolvedStyle();
					style.Obj()->*dstField = src.style.*srcField;
				}

				template<typename T>
				void OverrideStyleItem(Nullable<T> DocumentStyleProperties::* dstField, T DocumentModel::ResolvedStyle::* srcField)
				{
					const DocumentModel::ResolvedStyle& src = GetCurrentResolvedStyle();
					style.Obj()->*dstField = src.*srcField;
				}

				void OverrideStyleItem(Nullable<DocumentFontSize> DocumentStyleProperties::* dstField, vint FontProperties::* srcField)
				{
					const DocumentModel::ResolvedStyle& src = GetCurrentResolvedStyle();
					style.Obj()->*dstField = DocumentFontSize(src.style.*srcField, false);
				}

				// ---------------------------------------------------------

				void VisitContainer(DocumentContainerRun* run)
				{
					for(vint i=run->runs.Count()-1;i>=0;i--)
					{
						Ptr<DocumentRun> subRun=run->runs[i];
						RunRange range=runRanges[subRun.Obj()];
						if(range.start<end && start<range.end)
						{
							subRun->Accept(this);
						}
					}
				}

				void Visit(DocumentTextRun* run)override
				{
					const DocumentModel::ResolvedStyle& currentResolvedStyle=GetCurrentResolvedStyle();
					if (style)
					{
						SetStyleItem(&DocumentStyleProperties::face,					&FontProperties::fontFamily);
						SetStyleItem(&DocumentStyleProperties::size,					&FontProperties::size);
						SetStyleItem(&DocumentStyleProperties::color,					&DocumentModel::ResolvedStyle::color);
						SetStyleItem(&DocumentStyleProperties::backgroundColor,			&DocumentModel::ResolvedStyle::backgroundColor);
						SetStyleItem(&DocumentStyleProperties::bold,					&FontProperties::bold);
						SetStyleItem(&DocumentStyleProperties::italic,					&FontProperties::italic);
						SetStyleItem(&DocumentStyleProperties::underline,				&FontProperties::underline);
						SetStyleItem(&DocumentStyleProperties::strikeline,				&FontProperties::strikeline);
						SetStyleItem(&DocumentStyleProperties::antialias,				&FontProperties::antialias);
						SetStyleItem(&DocumentStyleProperties::verticalAntialias,		&FontProperties::verticalAntialias);
					}
					else
					{
						style=new DocumentStyleProperties;
						OverrideStyleItem(&DocumentStyleProperties::face,				&FontProperties::fontFamily);
						OverrideStyleItem(&DocumentStyleProperties::size,				&FontProperties::size);
						OverrideStyleItem(&DocumentStyleProperties::color,				&DocumentModel::ResolvedStyle::color);
						OverrideStyleItem(&DocumentStyleProperties::backgroundColor,	&DocumentModel::ResolvedStyle::backgroundColor);
						OverrideStyleItem(&DocumentStyleProperties::bold,				&FontProperties::bold);
						OverrideStyleItem(&DocumentStyleProperties::italic,				&FontProperties::italic);
						OverrideStyleItem(&DocumentStyleProperties::underline,			&FontProperties::underline);
						OverrideStyleItem(&DocumentStyleProperties::strikeline,			&FontProperties::strikeline);
						OverrideStyleItem(&DocumentStyleProperties::antialias,			&FontProperties::antialias);
						OverrideStyleItem(&DocumentStyleProperties::verticalAntialias,	&FontProperties::verticalAntialias);
					}
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					const DocumentModel::ResolvedStyle& currentResolvedStyle=GetCurrentResolvedStyle();
					DocumentModel::ResolvedStyle resolvedStyle=model->GetStyle(run->style, currentResolvedStyle);
					resolvedStyles.Add(resolvedStyle);
					VisitContainer(run);
					resolvedStyles.RemoveAt(resolvedStyles.Count()-1);
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					const DocumentModel::ResolvedStyle& currentResolvedStyle=GetCurrentResolvedStyle();
					DocumentModel::ResolvedStyle resolvedStyle=model->GetStyle(run->styleName, currentResolvedStyle);
					resolvedStyles.Add(resolvedStyle);
					VisitContainer(run);
					resolvedStyles.RemoveAt(resolvedStyles.Count()-1);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					const DocumentModel::ResolvedStyle& currentResolvedStyle=GetCurrentResolvedStyle();
					DocumentModel::ResolvedStyle resolvedStyle=model->GetStyle(run->styleName, currentResolvedStyle);
					resolvedStyles.Add(resolvedStyle);
					VisitContainer(run);
					resolvedStyles.RemoveAt(resolvedStyles.Count()-1);
				}

				void Visit(DocumentImageRun* run)override
				{
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
				}

				void Visit(DocumentParagraphRun* run)override
				{
					VisitContainer(run);
				}

				static Ptr<DocumentStyleProperties> SummerizeStyle(DocumentParagraphRun* run, RunRangeMap& runRanges, DocumentModel* model, vint start, vint end)
				{
					SummerizeStyleVisitor visitor(runRanges, model, start, end);
					run->Accept(&visitor);
					return visitor.style;
				}

				template<typename T>
				static void AggregateStyleItem(Ptr<DocumentStyleProperties>& dst, Ptr<DocumentStyleProperties> src, Nullable<T> DocumentStyleProperties::* field)
				{
					if(dst.Obj()->*field && (!(src.Obj()->*field) || (dst.Obj()->*field).Value()!=(src.Obj()->*field).Value()))
					{
						dst.Obj()->*field=Nullable<T>();
					}
				}

				static void AggregateStyle(Ptr<DocumentStyleProperties>& dst, Ptr<DocumentStyleProperties> src)
				{
					AggregateStyleItem(dst, src, &DocumentStyleProperties::face);
					AggregateStyleItem(dst, src, &DocumentStyleProperties::size);
					AggregateStyleItem(dst, src, &DocumentStyleProperties::color);
					AggregateStyleItem(dst, src, &DocumentStyleProperties::backgroundColor);
					AggregateStyleItem(dst, src, &DocumentStyleProperties::bold);
					AggregateStyleItem(dst, src, &DocumentStyleProperties::italic);
					AggregateStyleItem(dst, src, &DocumentStyleProperties::underline);
					AggregateStyleItem(dst, src, &DocumentStyleProperties::strikeline);
					AggregateStyleItem(dst, src, &DocumentStyleProperties::antialias);
					AggregateStyleItem(dst, src, &DocumentStyleProperties::verticalAntialias);
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
DocumentModel::EditRangeOperations
***********************************************************************/

		bool DocumentModel::CheckEditRange(TextPos begin, TextPos end, RunRangeMap& relatedRanges)
		{
			// check caret range
			if(begin>end) return false;
			if(begin.row<0 || begin.row>=paragraphs.Count()) return false;
			if(end.row<0 || end.row>=paragraphs.Count()) return false;

			// determine run ranges
			GetRunRangeVisitor::GetRunRange(paragraphs[begin.row].Obj(), relatedRanges);
			if(begin.row!=end.row)
			{
				GetRunRangeVisitor::GetRunRange(paragraphs[end.row].Obj(), relatedRanges);
			}
			
			// check caret range
			RunRange beginRange=relatedRanges[paragraphs[begin.row].Obj()];
			RunRange endRange=relatedRanges[paragraphs[end.row].Obj()];
			if(begin.column<0 || begin.column>beginRange.end) return false;
			if(end.column<0 || end.column>endRange.end) return false;

			return true;
		}

		Ptr<DocumentModel> DocumentModel::CopyDocument(TextPos begin, TextPos end, bool deepCopy)
		{
			// check caret range
			RunRangeMap runRanges;
			if(!CheckEditRange(begin, end, runRanges)) return 0;

			// get ranges
			for(vint i=begin.row+1;i<end.row;i++)
			{
				GetRunRangeVisitor::GetRunRange(paragraphs[i].Obj(), runRanges);
			}

			Ptr<DocumentModel> newDocument=new DocumentModel;

			// copy paragraphs
			if(begin.row==end.row)
			{
				newDocument->paragraphs.Add(CloneRunRecursivelyVisitor::CopyRun(paragraphs[begin.row].Obj(), runRanges, begin.column, end.column, deepCopy).Cast<DocumentParagraphRun>());
			}
			else
			{
				for(vint i=begin.row;i<=end.row;i++)
				{
					Ptr<DocumentParagraphRun> paragraph=paragraphs[i];
					RunRange range=runRanges[paragraph.Obj()];
					if(i==begin.row)
					{
						newDocument->paragraphs.Add(CloneRunRecursivelyVisitor::CopyRun(paragraph.Obj(), runRanges, begin.column, range.end, deepCopy).Cast<DocumentParagraphRun>());
					}
					else if(i==end.row)
					{
						newDocument->paragraphs.Add(CloneRunRecursivelyVisitor::CopyRun(paragraph.Obj(), runRanges, range.start, end.column, deepCopy).Cast<DocumentParagraphRun>());
					}
					else if(deepCopy)
					{
						newDocument->paragraphs.Add(CloneRunRecursivelyVisitor::CopyRun(paragraph.Obj(), runRanges, range.start, range.end, deepCopy).Cast<DocumentParagraphRun>());
					}
					else
					{
						newDocument->paragraphs.Add(paragraph);
					}
				}
			}

			// copy styles
			List<WString> styleNames;
			FOREACH(Ptr<DocumentParagraphRun>, paragraph, newDocument->paragraphs)
			{
				CollectStyleNameVisitor::CollectStyleName(paragraph.Obj(), styleNames);
			}

			for(vint i=0;i<styleNames.Count();i++)
			{
				WString styleName=styleNames[i];
				if(!newDocument->styles.Keys().Contains(styleName))
				{
					Ptr<DocumentStyle> style=styles[styleName];
					if(deepCopy)
					{
						Ptr<DocumentStyle> newStyle=new DocumentStyle;
						newStyle->parentStyleName=style->parentStyleName;
						newStyle->styles=CloneRunVisitor::CopyStyle(style->styles);
						newStyle->resolvedStyles=CloneRunVisitor::CopyStyle(style->resolvedStyles);
						newDocument->styles.Add(styleName, newStyle);
					}
					else
					{
						newDocument->styles.Add(styleName, style);
					}

					if(!styleNames.Contains(style->parentStyleName))
					{
						styleNames.Add(style->parentStyleName);
					}
				}
			}

			return newDocument;
		}

		bool DocumentModel::CutParagraph(TextPos position)
		{
			if(position.row<0 || position.row>=paragraphs.Count()) return false;

			Ptr<DocumentParagraphRun> paragraph=paragraphs[position.row];
			RunRangeMap runRanges;
			Ptr<DocumentRun> leftRun, rightRun;

			GetRunRangeVisitor::GetRunRange(paragraph.Obj(), runRanges);
			CutRunVisitor::CutRun(paragraph.Obj(), runRanges, position.column, leftRun, rightRun);

			CopyFrom(paragraph->runs, leftRun.Cast<DocumentParagraphRun>()->runs);
			CopyFrom(paragraph->runs, rightRun.Cast<DocumentParagraphRun>()->runs, true);
			
			return true;
		}

		bool DocumentModel::CutEditRange(TextPos begin, TextPos end)
		{
			// check caret range
			if(begin>end) return false;
			if(begin.row<0 || begin.row>=paragraphs.Count()) return false;
			if(end.row<0 || end.row>=paragraphs.Count()) return false;

			// cut paragraphs
			CutParagraph(begin);
			if(begin!=end)
			{
				CutParagraph(end);
			}
			return true;
		}

		bool DocumentModel::EditContainer(TextPos begin, TextPos end, const Func<void(DocumentParagraphRun*, RunRangeMap&, vint, vint)>& editor)
		{
			if(begin==end) return false;

			// cut paragraphs
			if(!CutEditRange(begin, end)) return false;

			// check caret range
			RunRangeMap runRanges;
			if(!CheckEditRange(begin, end, runRanges)) return false;

			// edit container
			if(begin.row==end.row)
			{
				editor(paragraphs[begin.row].Obj(), runRanges, begin.column, end.column);
			}
			else
			{
				for(vint i=begin.row;i<=end.row;i++)
				{
					Ptr<DocumentParagraphRun> paragraph=paragraphs[i];
					if(begin.row<i && i<end.row)
					{
						GetRunRangeVisitor::GetRunRange(paragraph.Obj(), runRanges);
					}
					RunRange range=runRanges[paragraph.Obj()];
					if(i==begin.row)
					{
						editor(paragraph.Obj(), runRanges, begin.column, range.end);
					}
					else if(i==end.row)
					{
						editor(paragraph.Obj(), runRanges, range.start, end.column);
					}
					else
					{
						editor(paragraph.Obj(), runRanges, range.start, range.end);
					}
				}
			}

			// clear paragraphs
			for(vint i=begin.row;i<=end.row;i++)
			{
				ClearRunVisitor::ClearRun(paragraphs[i].Obj());
			}

			return true;
		}

/***********************************************************************
DocumentModel::EditRun
***********************************************************************/

		vint DocumentModel::EditRun(TextPos begin, TextPos end, Ptr<DocumentModel> model)
		{
			// check caret range
			RunRangeMap runRanges;
			if(!CheckEditRange(begin, end, runRanges)) return -1;

			// calculate new names for the model's styles to prevent conflicting
			List<WString> oldNames, newNames;
			CopyFrom(oldNames, model->styles.Keys());
			CopyFrom(newNames, model->styles.Keys());
			for(vint i=0;i<newNames.Count();i++)
			{
				WString name=newNames[i];
				if((name.Length()==0 || name[0]!=L'#') && styles.Keys().Contains(name))
				{
					vint index=2;
					while(true)
					{
						WString newName=name+L"_"+itow(index++);
						if(!styles.Keys().Contains(newName) && !model->styles.Keys().Contains(newName))
						{
							newNames[i]=newName;
							break;
						}
					}
				}
			}

			// rename model's styles
			typedef Pair<WString, WString> NamePair;
			FOREACH(NamePair, name, From(oldNames).Pairwise(newNames))
			{
				model->RenameStyle(name.key, name.value);
			}
			FOREACH(WString, name, newNames)
			{
				if((name.Length()==0 || name[0]!=L'#') && !styles.Keys().Contains(name))
				{
					styles.Add(name, model->styles[name]);
				}
			}

			// edit runs
			Array<Ptr<DocumentParagraphRun>> runs;
			CopyFrom(runs, model->paragraphs);
			return EditRun(begin, end, runs);
		}

		vint DocumentModel::EditRun(TextPos begin, TextPos end, const collections::Array<Ptr<DocumentParagraphRun>>& runs)
		{
			// check caret range
			RunRangeMap runRanges;
			if(!CheckEditRange(begin, end, runRanges)) return -1;

			// remove unnecessary paragraphs
			if(begin.row!=end.row)
			{
				for(vint i=end.row-1;i>begin.row;i--)
				{
					paragraphs.RemoveAt(i);
				}
				end.row=begin.row+1;
			}

			// remove unnecessary runs and ensure begin.row!=end.row
			if(begin.row==end.row)
			{
				RemoveRunVisitor::RemoveRun(paragraphs[begin.row].Obj(), runRanges, begin.column, end.column);

				Ptr<DocumentRun> leftRun, rightRun;
				runRanges.Clear();
				GetRunRangeVisitor::GetRunRange(paragraphs[begin.row].Obj(), runRanges);
				CutRunVisitor::CutRun(paragraphs[begin.row].Obj(), runRanges, begin.column, leftRun, rightRun);

				paragraphs.RemoveAt(begin.row);
				paragraphs.Insert(begin.row, leftRun.Cast<DocumentParagraphRun>());
				paragraphs.Insert(begin.row+1, rightRun.Cast<DocumentParagraphRun>());
				end.row=begin.row+1;
			}
			else
			{
				RemoveRunVisitor::RemoveRun(paragraphs[begin.row].Obj(), runRanges, begin.column, runRanges[paragraphs[begin.row].Obj()].end);
				RemoveRunVisitor::RemoveRun(paragraphs[end.row].Obj(), runRanges, 0, end.column);
			}

			// insert new paragraphs
			Ptr<DocumentParagraphRun> beginParagraph=paragraphs[begin.row];
			Ptr<DocumentParagraphRun> endParagraph=paragraphs[end.row];
			if(runs.Count()==0)
			{
				CopyFrom(beginParagraph->runs, endParagraph->runs, true);
				paragraphs.RemoveAt(end.row);
			}
			else if(runs.Count()==1)
			{
				CopyFrom(beginParagraph->runs, runs[0]->runs, true);
				CopyFrom(beginParagraph->runs, endParagraph->runs, true);
				paragraphs.RemoveAt(end.row);
			}
			else
			{
				Ptr<DocumentParagraphRun> newBeginRuns=runs[0];
				CopyFrom(beginParagraph->runs, newBeginRuns->runs, true);
				
				Ptr<DocumentParagraphRun> newEndRuns=runs[runs.Count()-1];
				if (newEndRuns->alignment)
				{
					endParagraph->alignment = newEndRuns->alignment;
				}
				for(vint i=0;i<newEndRuns->runs.Count();i++)
				{
					endParagraph->runs.Insert(i, newEndRuns->runs[i]);
				}

				for(vint i=1;i<runs.Count()-1;i++)
				{
					paragraphs.Insert(begin.row+i, runs[i]);
				}
			}

			// clear unnecessary runs
			vint rows=runs.Count()==0?1:runs.Count();
			for(vint i=0;i<rows;i++)
			{
				ClearRunVisitor::ClearRun(paragraphs[begin.row+i].Obj());
			}
			return rows;
		}

/***********************************************************************
DocumentModel::EditText
***********************************************************************/

		vint DocumentModel::EditText(TextPos begin, TextPos end, bool frontSide, const collections::Array<WString>& text)
		{
			// check caret range
			RunRangeMap runRanges;
			if(!CheckEditRange(begin, end, runRanges)) return -1;

			// calcuate the position to get the text style
			TextPos stylePosition;
			if(frontSide)
			{
				stylePosition=begin;
				if(stylePosition.column==0)
				{
					frontSide=false;
				}
			}
			else
			{
				stylePosition=end;
				if(stylePosition.column==runRanges[paragraphs[end.row].Obj()].end)
				{
					frontSide=true;
				}
			}

			// copy runs that contains the target style for new text
			List<DocumentContainerRun*> styleRuns;
			LocateStyleVisitor::LocateStyle(paragraphs[stylePosition.row].Obj(), runRanges, stylePosition.column, frontSide, styleRuns);

			// create paragraphs
			Array<Ptr<DocumentParagraphRun>> runs(text.Count());
			for(vint i=0;i<text.Count();i++)
			{
				Ptr<DocumentRun> paragraph=CloneRunVisitor::CopyStyledText(styleRuns, text[i]);
				runs[i]=paragraph.Cast<DocumentParagraphRun>();
			}

			// replace the paragraphs
			return EditRun(begin, end, runs);
		}

/***********************************************************************
DocumentModel::EditStyle
***********************************************************************/

		bool DocumentModel::EditStyle(TextPos begin, TextPos end, Ptr<DocumentStyleProperties> style)
		{
			return EditContainer(begin, end, [=](DocumentParagraphRun* paragraph, RunRangeMap& runRanges, vint start, vint end)
			{
				AddStyleVisitor::AddStyle(paragraph, runRanges, start, end, style);
			});
		}

/***********************************************************************
DocumentModel::EditImage
***********************************************************************/

		Ptr<DocumentImageRun> DocumentModel::EditImage(TextPos begin, TextPos end, Ptr<GuiImageData> image)
		{
			Ptr<DocumentImageRun> imageRun=new DocumentImageRun;
			imageRun->size=image->GetImage()->GetFrame(image->GetFrameIndex())->GetSize();
			imageRun->baseline=imageRun->size.y;
			imageRun->image=image->GetImage();
			imageRun->frameIndex=image->GetFrameIndex();

			Ptr<DocumentParagraphRun> paragraph=new DocumentParagraphRun;
			paragraph->runs.Add(imageRun);

			Array<Ptr<DocumentParagraphRun>> runs(1);
			runs[0]=paragraph;
			if(EditRun(begin, end, runs))
			{
				return imageRun;
			}
			else
			{
				return 0;
			}
		}

/***********************************************************************
DocumentModel::EditHyperlink
***********************************************************************/

		bool DocumentModel::EditHyperlink(vint paragraphIndex, vint begin, vint end, const WString& reference, const WString& normalStyleName, const WString& activeStyleName)
		{
			Ptr<DocumentHyperlinkRun> run=GetHyperlink(paragraphIndex, begin, end);
			if(run)
			{
				run->reference=reference;
				run->normalStyleName=normalStyleName;
				run->activeStyleName=activeStyleName;
				run->styleName=normalStyleName;
				return true;
			}
			else if(RemoveHyperlink(paragraphIndex, begin, end))
			{
				CutEditRange(TextPos(paragraphIndex, begin), TextPos(paragraphIndex, end));

				RunRangeMap runRanges;
				Ptr<DocumentParagraphRun> paragraph=paragraphs[paragraphIndex];
				GetRunRangeVisitor::GetRunRange(paragraph.Obj(), runRanges);
				AddHyperlinkVisitor::AddHyperlink(paragraph.Obj(), runRanges, begin, end, reference, normalStyleName, activeStyleName);

				ClearRunVisitor::ClearRun(paragraph.Obj());
				return true;
			}
			return false;
		}

		bool DocumentModel::RemoveHyperlink(vint paragraphIndex, vint begin, vint end)
		{
			RunRangeMap runRanges;
			if(!CheckEditRange(TextPos(paragraphIndex, begin), TextPos(paragraphIndex, end), runRanges)) return false;

			Ptr<DocumentParagraphRun> paragraph=paragraphs[paragraphIndex];
			RemoveHyperlinkVisitor::RemoveHyperlink(paragraph.Obj(), runRanges, begin, end);
			ClearRunVisitor::ClearRun(paragraph.Obj());
			return true;
		}

		Ptr<DocumentHyperlinkRun> DocumentModel::GetHyperlink(vint paragraphIndex, vint begin, vint end)
		{
			RunRangeMap runRanges;
			if(!CheckEditRange(TextPos(paragraphIndex, begin), TextPos(paragraphIndex, end), runRanges)) return 0;

			Ptr<DocumentParagraphRun> paragraph=paragraphs[paragraphIndex];
			return LocateHyperlinkVisitor::LocateHyperlink(paragraph.Obj(), runRanges, begin, end);
		}

/***********************************************************************
DocumentModel::EditStyleName
***********************************************************************/

		bool DocumentModel::EditStyleName(TextPos begin, TextPos end, const WString& styleName)
		{
			return EditContainer(begin, end, [=](DocumentParagraphRun* paragraph, RunRangeMap& runRanges, vint start, vint end)
			{
				AddStyleNameVisitor::AddStyleName(paragraph, runRanges, start, end, styleName);
			});
		}

		bool DocumentModel::RemoveStyleName(TextPos begin, TextPos end)
		{
			return EditContainer(begin, end, [=](DocumentParagraphRun* paragraph, RunRangeMap& runRanges, vint start, vint end)
			{
				RemoveStyleNameVisitor::RemoveStyleName(paragraph, runRanges, start, end);
			});
		}

		bool DocumentModel::RenameStyle(const WString& oldStyleName, const WString& newStyleName)
		{
			vint index=styles.Keys().IndexOf(oldStyleName);
			if(index==-1) return false;
			if(styles.Keys().Contains(newStyleName)) return false;

			Ptr<DocumentStyle> style=styles.Values()[index];
			styles.Remove(oldStyleName);
			styles.Add(newStyleName, style);

			FOREACH(Ptr<DocumentStyle>, subStyle, styles.Values())
			{
				if(subStyle->parentStyleName==oldStyleName)
				{
					subStyle->parentStyleName=newStyleName;
				}
			}

			FOREACH(Ptr<DocumentParagraphRun>, paragraph, paragraphs)
			{
				ReplaceStyleNameVisitor::ReplaceStyleName(paragraph.Obj(), oldStyleName, newStyleName);
			}
			return true;
		}

/***********************************************************************
DocumentModel::ClearStyle
***********************************************************************/

		bool DocumentModel::ClearStyle(TextPos begin, TextPos end)
		{
			return EditContainer(begin, end, [=](DocumentParagraphRun* paragraph, RunRangeMap& runRanges, vint start, vint end)
			{
				ClearStyleVisitor::ClearStyle(paragraph, runRanges, start, end);
			});
		}

/***********************************************************************
DocumentModel::ClearStyle
***********************************************************************/

		Ptr<DocumentStyleProperties> DocumentModel::SummarizeStyle(TextPos begin, TextPos end)
		{
			Ptr<DocumentStyleProperties> style;
			RunRangeMap runRanges;

			if(begin==end) goto END_OF_SUMMERIZING;

			// check caret range
			if(!CheckEditRange(begin, end, runRanges)) return nullptr;

			// summerize container
			if(begin.row==end.row)
			{
				style=SummerizeStyleVisitor::SummerizeStyle(paragraphs[begin.row].Obj(), runRanges, this, begin.column, end.column);
			}
			else
			{
				for(vint i=begin.row;i<=end.row;i++)
				{
					Ptr<DocumentParagraphRun> paragraph=paragraphs[i];
					if(begin.row<i && i<end.row)
					{
						GetRunRangeVisitor::GetRunRange(paragraph.Obj(), runRanges);
					}
					RunRange range=runRanges[paragraph.Obj()];
					Ptr<DocumentStyleProperties> paragraphStyle;
					if(i==begin.row)
					{
						paragraphStyle=SummerizeStyleVisitor::SummerizeStyle(paragraph.Obj(), runRanges, this, begin.column, range.end);
					}
					else if(i==end.row)
					{
						paragraphStyle=SummerizeStyleVisitor::SummerizeStyle(paragraph.Obj(), runRanges, this, range.start, end.column);
					}
					else
					{
						paragraphStyle=SummerizeStyleVisitor::SummerizeStyle(paragraph.Obj(), runRanges, this, range.start, range.end);
					}

					if(!style)
					{
						style=paragraphStyle;
					}
					else if(paragraphStyle)
					{
						SummerizeStyleVisitor::AggregateStyle(style, paragraphStyle);
					}
				}
			}

		END_OF_SUMMERIZING:
			if(!style)
			{
				style=new DocumentStyleProperties;
			}
			return style;
		}
	}
}

/***********************************************************************
RESOURCES\GUIDOCUMENT_LOAD.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		using namespace collections;
		using namespace parsing::tabling;
		using namespace parsing::xml;
		using namespace regex;

/***********************************************************************
document_operation_visitors::DeserializeNodeVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class DeserializeNodeVisitor : public XmlNode::IVisitor
			{
			public:
				Ptr<DocumentModel>					model;
				Ptr<DocumentContainerRun>			container;
				vint								paragraphIndex;
				Ptr<GuiResourcePathResolver>		resolver;
				Regex								regexAttributeApply;
				List<WString>&						errors;

				DeserializeNodeVisitor(Ptr<DocumentModel> _model, Ptr<DocumentParagraphRun> _paragraph, vint _paragraphIndex, Ptr<GuiResourcePathResolver> _resolver, List<WString>& _errors)
					:model(_model)
					, container(_paragraph)
					, paragraphIndex(_paragraphIndex)
					, resolver(_resolver)
					, regexAttributeApply(L"/{@(<value>[^{}]+)/}")
					, errors(_errors)
				{
				}

				void PrintText(const WString& text)
				{
					Ptr<DocumentTextRun> run=new DocumentTextRun;
					run->text=text;
					container->runs.Add(run);
				}

				void Visit(XmlText* node)override
				{
					PrintText(node->content.value);
				}

				void Visit(XmlCData* node)override
				{
					PrintText(node->content.value);
				}

				void Visit(XmlAttribute* node)override
				{
				}

				void Visit(XmlComment* node)override
				{
				}

				void Visit(XmlElement* node)override
				{
					Ptr<DocumentContainerRun> createdContainer;
					bool useTemplateInfo=false;
					XmlElement* subNodeContainer=node;

					if(node->name.value==L"br")
					{
						PrintText(L"\r\n");
					}
					else if(node->name.value==L"sp")
					{
						PrintText(L" ");
					}
					else if(node->name.value==L"tab")
					{
						PrintText(L"\t");
					}
					else if(node->name.value==L"img")
					{
						Ptr<DocumentImageRun> run=new DocumentImageRun;
						run->baseline = -1;

						if(Ptr<XmlAttribute> source=XmlGetAttribute(node, L"source"))
						{
							run->source=source->value.value;
							WString protocol, path;
							if(IsResourceUrl(run->source, protocol, path))
							{
								Ptr<GuiImageData> imageData=resolver->ResolveResource(protocol, path).Cast<GuiImageData>();
								if(imageData)
								{
									run->image=imageData->GetImage();
								}
								if(run->image && run->image->GetFrameCount()>0)
								{
									run->size=run->image->GetFrame(0)->GetSize();
									run->frameIndex=0;
								}
							}

							FOREACH(Ptr<XmlAttribute>, att, node->attributes)
							{
								if(att->name.value==L"width")
								{
									run->size.x=wtoi(att->value.value);
								}
								else if(att->name.value==L"height")
								{
									run->size.y=wtoi(att->value.value);
								}
								else if(att->name.value==L"baseline")
								{
									run->baseline=wtoi(att->value.value);
								}
								else if(att->name.value==L"frameIndex")
								{
									run->frameIndex=wtoi(att->value.value);
								}
								else if (att->name.value != L"source")
								{
									errors.Add(L"Unknown attribute in <img> \"" + att->name.value + L"\".");
								}
							}

							container->runs.Add(run);
						}
					}
					else if(node->name.value==L"object")
					{
						Ptr<DocumentEmbeddedObjectRun> run=new DocumentEmbeddedObjectRun;
						run->baseline = -1;

						if(Ptr<XmlAttribute> name=XmlGetAttribute(node, L"name"))
						{
							run->name = name->value.value;
							container->runs.Add(run);
						}
						else
						{
							errors.Add(L"The \"name\" attribute in <object> is missing.");
						}
					}
					else if(node->name.value==L"font")
					{
						Ptr<DocumentStylePropertiesRun> run=new DocumentStylePropertiesRun();
						Ptr<DocumentStyleProperties> sp=new DocumentStyleProperties;
						run->style=sp;

						FOREACH(Ptr<XmlAttribute>, att, node->attributes)
						{
							if(att->name.value==L"face")
							{
								sp->face=att->value.value;
							}
							else if(att->name.value==L"size")
							{
								sp->size=DocumentFontSize::Parse(att->value.value);
							}
							else if(att->name.value==L"color")
							{
								sp->color=Color::Parse(att->value.value);
							}
							else if(att->name.value==L"bkcolor")
							{
								sp->backgroundColor=Color::Parse(att->value.value);
							}
							else
							{
								errors.Add(L"Unknown attribute in <font> \"" + att->name.value + L"\".");
							}
						}
						container->runs.Add(run);
						createdContainer=run;
					}
					else if(node->name.value==L"b" || node->name.value==L"b-")
					{
						Ptr<DocumentStylePropertiesRun> run=new DocumentStylePropertiesRun();
						run->style=new DocumentStyleProperties;
						run->style->bold=node->name.value==L"b";
						container->runs.Add(run);
						createdContainer=run;
					}
					else if(node->name.value==L"i" || node->name.value==L"i-")
					{
						Ptr<DocumentStylePropertiesRun> run=new DocumentStylePropertiesRun();
						run->style=new DocumentStyleProperties;
						run->style->italic=node->name.value==L"i";
						container->runs.Add(run);
						createdContainer=run;
					}
					else if(node->name.value==L"u" || node->name.value==L"u-")
					{
						Ptr<DocumentStylePropertiesRun> run=new DocumentStylePropertiesRun();
						run->style=new DocumentStyleProperties;
						run->style->underline=node->name.value==L"u";
						container->runs.Add(run);
						createdContainer=run;
					}
					else if(node->name.value==L"s" || node->name.value==L"s-")
					{
						Ptr<DocumentStylePropertiesRun> run=new DocumentStylePropertiesRun();
						run->style=new DocumentStyleProperties;
						run->style->strikeline=node->name.value==L"s";
						container->runs.Add(run);
						createdContainer=run;
					}
					else if(node->name.value==L"ha")
					{
						Ptr<DocumentStylePropertiesRun> run=new DocumentStylePropertiesRun();
						run->style=new DocumentStyleProperties;
						run->style->antialias=true;
						run->style->verticalAntialias=false;
						container->runs.Add(run);
						createdContainer=run;
					}
					else if(node->name.value==L"va")
					{
						Ptr<DocumentStylePropertiesRun> run=new DocumentStylePropertiesRun();
						run->style=new DocumentStyleProperties;
						run->style->antialias=true;
						run->style->verticalAntialias=true;
						container->runs.Add(run);
						createdContainer=run;
					}
					else if(node->name.value==L"na")
					{
						Ptr<DocumentStylePropertiesRun> run=new DocumentStylePropertiesRun();
						run->style=new DocumentStyleProperties;
						run->style->antialias=false;
						run->style->verticalAntialias=false;
						container->runs.Add(run);
						createdContainer=run;
					}
					else if(node->name.value==L"div")
					{
						if(Ptr<XmlAttribute> att=XmlGetAttribute(node, L"style"))
						{
							WString styleName=att->value.value;
							
							Ptr<DocumentStyleApplicationRun> run=new DocumentStyleApplicationRun;
							run->styleName=styleName;
							container->runs.Add(run);
							createdContainer=run;
						}
						else
						{
							createdContainer=container;
						}
					}
					else if(node->name.value==L"a")
					{
						Ptr<DocumentHyperlinkRun> run=new DocumentHyperlinkRun;
						run->normalStyleName=L"#NormalLink";
						run->activeStyleName=L"#ActiveLink";
						if(Ptr<XmlAttribute> att=XmlGetAttribute(node, L"normal"))
						{
							run->normalStyleName=att->value.value;
						}
						if(Ptr<XmlAttribute> att=XmlGetAttribute(node, L"active"))
						{
							run->activeStyleName=att->value.value;
						}
						if(Ptr<XmlAttribute> att=XmlGetAttribute(node, L"href"))
						{
							run->reference=att->value.value;
						}
						run->styleName=run->normalStyleName;
						container->runs.Add(run);
						createdContainer=run;
					}
					else if(node->name.value==L"p")
					{
						FOREACH(Ptr<XmlNode>, sub, node->subNodes)
						{
							sub->Accept(this);
						}
					}
					else
					{
						if (node->name.value != L"nop")
						{
							errors.Add(L"Unknown tag in document resource \"" + node->name.value + L"\".");
						}
						FOREACH(Ptr<XmlNode>, sub, node->subNodes)
						{
							sub->Accept(this);
						}
					}

					if(createdContainer)
					{
						Ptr<DocumentContainerRun> oldContainer=container;
						container=createdContainer;
						FOREACH(Ptr<XmlNode>, subNode, subNodeContainer->subNodes)
						{
							subNode->Accept(this);
						}
						container=oldContainer;
					}
				}

				void Visit(XmlInstruction* node)override
				{
				}

				void Visit(XmlDocument* node)override
				{
				}
			};

			Ptr<DocumentStyle> ParseDocumentStyle(Ptr<XmlElement> styleElement)
			{
				Ptr<DocumentStyle> style=new DocumentStyle;

				if(Ptr<XmlAttribute> parent=XmlGetAttribute(styleElement, L"parent"))
				{
					style->parentStyleName=parent->value.value;
				}

				Ptr<DocumentStyleProperties> sp=new DocumentStyleProperties;
				style->styles=sp;

				FOREACH(Ptr<XmlElement>, att, XmlGetElements(styleElement))
				{
					if(att->name.value==L"face")
					{
						sp->face=XmlGetValue(att);
					}
					else if(att->name.value==L"size")
					{
						sp->size=DocumentFontSize::Parse(XmlGetValue(att));
					}
					else if(att->name.value==L"color")
					{
						sp->color=Color::Parse(XmlGetValue(att));
					}
					else if(att->name.value==L"bkcolor")
					{
						sp->backgroundColor=Color::Parse(XmlGetValue(att));
					}
					else if(att->name.value==L"b")
					{
						sp->bold=XmlGetValue(att)==L"true";
					}
					else if(att->name.value==L"i")
					{
						sp->italic=XmlGetValue(att)==L"true";
					}
					else if(att->name.value==L"u")
					{
						sp->underline=XmlGetValue(att)==L"true";
					}
					else if(att->name.value==L"s")
					{
						sp->strikeline=XmlGetValue(att)==L"true";
					}
					else if(att->name.value==L"antialias")
					{
						WString value=XmlGetValue(att);
						if(value==L"horizontal" || value==L"default")
						{
							sp->antialias=true;
							sp->verticalAntialias=false;
						}
						else if(value==L"no")
						{
							sp->antialias=false;
							sp->verticalAntialias=false;
						}
						else if(value==L"vertical")
						{
							sp->antialias=true;
							sp->verticalAntialias=true;
						}
					}
				}

				return style;
			}
		}
		using namespace document_operation_visitors;

/***********************************************************************
DocumentModel
***********************************************************************/

		Ptr<DocumentModel> DocumentModel::LoadFromXml(Ptr<parsing::xml::XmlDocument> xml, Ptr<GuiResourcePathResolver> resolver, collections::List<WString>& errors)
		{
			Ptr<DocumentModel> model=new DocumentModel;
			if(xml->rootElement->name.value==L"Doc")
			{
				if(Ptr<XmlElement> styles=XmlGetElement(xml->rootElement, L"Styles"))
				{
					FOREACH(Ptr<XmlElement>, styleElement, XmlGetElements(styles, L"Style"))
					if (Ptr<XmlAttribute> name = XmlGetAttribute(styleElement, L"name"))
					{
						auto style = ParseDocumentStyle(styleElement);
						auto styleName = name->value.value;
						if(!model->styles.Keys().Contains(styleName))
						{
							model->styles.Add(styleName, style);
							if (styleName.Length() > 9 && styleName.Right(9) == L"-Override")
							{
								auto overridedStyle = MakePtr<DocumentStyle>();
								overridedStyle->styles = new DocumentStyleProperties;
								MergeStyle(overridedStyle->styles, style->styles);

								styleName = styleName.Left(styleName.Length() - 9);
								auto index = model->styles.Keys().IndexOf(styleName);
								if (index == -1)
								{
									model->styles.Add(styleName, overridedStyle);
								}
								else
								{
									auto originalStyle = model->styles.Values()[index];
									MergeStyle(overridedStyle->styles, originalStyle->styles);
									originalStyle->styles = overridedStyle->styles;
								}
							}
						}
					}
				}
				if(Ptr<XmlElement> content=XmlGetElement(xml->rootElement, L"Content"))
				{
					FOREACH_INDEXER(Ptr<XmlElement>, p, i, XmlGetElements(content, L"p"))
					{
						Ptr<DocumentParagraphRun> paragraph=new DocumentParagraphRun;
						if(Ptr<XmlAttribute> att=XmlGetAttribute(p, L"align"))
						{
							if(att->value.value==L"Left")
							{
								paragraph->alignment=Alignment::Left;
							}
							else if(att->value.value==L"Center")
							{
								paragraph->alignment=Alignment::Center;
							}
							else if(att->value.value==L"Right")
							{
								paragraph->alignment=Alignment::Right;
							}
						}
						model->paragraphs.Add(paragraph);
						DeserializeNodeVisitor visitor(model, paragraph, i, resolver, errors);
						p->Accept(&visitor);
					}
				}
			}
			return model;
		}

		Ptr<DocumentModel> DocumentModel::LoadFromXml(Ptr<parsing::xml::XmlDocument> xml, const WString& workingDirectory, collections::List<WString>& errors)
		{
			Ptr<GuiResourcePathResolver> resolver=new GuiResourcePathResolver(0, workingDirectory);
			return LoadFromXml(xml, resolver, errors);
		}

		Ptr<DocumentModel> DocumentModel::LoadFromXml(const WString& filePath, collections::List<WString>& errors)
		{
			Ptr<XmlDocument> xml;
			Ptr<DocumentModel> document;
			if(auto parser=GetParserManager()->GetParser<XmlDocument>(L"XML"))
			{
				WString text;
				if(LoadTextFile(filePath, text))
				{
					xml = parser->TypedParse(text, errors);
				}
				else
				{
					errors.Add(L"Failed to load file \"" + filePath + L"\".");
				}
			}
			if(xml)
			{
				document = DocumentModel::LoadFromXml(xml, GetFolderPath(filePath), errors);
			}
			return document;
		}
	}
}

/***********************************************************************
RESOURCES\GUIDOCUMENT_SAVE.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		using namespace collections;
		using namespace parsing::xml;

/***********************************************************************
document_operation_visitors::SerializeRunVisitor
***********************************************************************/

		namespace document_operation_visitors
		{
			class SerializeRunVisitor : public Object, public DocumentRun::IVisitor
			{
			protected:
				DocumentModel*				model;
				Ptr<XmlElement>				parent;

			public:
				SerializeRunVisitor(DocumentModel* _model, Ptr<XmlElement> _parent)
					:model(_model)
					,parent(_parent)
				{
				}

				void VisitContainer(Ptr<XmlElement> replacedParent, DocumentContainerRun* run)
				{
					if(replacedParent)
					{
						parent->subNodes.Add(replacedParent);
						Ptr<XmlElement> oldParent=parent;
						parent=replacedParent;
						FOREACH(Ptr<DocumentRun>, subRun, run->runs)
						{
							subRun->Accept(this);
						}
						parent=oldParent;
					}
					else
					{
						FOREACH(Ptr<DocumentRun>, subRun, run->runs)
						{
							subRun->Accept(this);
						}
					}
				}

				void Visit(DocumentTextRun* run)override
				{
					if(run->text!=L"")
					{
						auto writer = XmlElementWriter(parent).Element(L"nop");
						auto begin = run->text.Buffer();
						auto reading = begin;
						auto last = reading;
						while (true)
						{
							const wchar_t* tag = nullptr;
							auto c = *reading;
							switch (c)
							{
							case L'\n':
								tag = L"br";
								break;
							case L' ':
								tag = L"sp";
								break;
							case L'\t':
								tag = L"tab";
								break;
							}

							if (tag || c == 0)
							{
								if (reading > last)
								{
									auto end = reading[-1] == L'\r' ? reading - 1 : reading;
									if (end > last)
									{
										writer.Text(run->text.Sub(last - begin, end - last));
									}
									last = reading;
								}
							}

							if (tag)
							{
								writer.Element(tag);
							}
							else if (c == 0)
							{
								break;
							}
							reading++;
						}
					}
				}

				void Visit(DocumentStylePropertiesRun* run)override
				{
					Ptr<DocumentStyleProperties> sp=run->style;
					Ptr<XmlElement> oldParent=parent;
					if(sp->face || sp->size || sp->color)
					{
						Ptr<XmlElement> element=new XmlElement;
						element->name.value=L"font";
						parent->subNodes.Add(element);

						XmlElementWriter writer(element);
						if(sp->face)
						{
							writer.Attribute(L"face", sp->face.Value());
						}
						if(sp->size)
						{
							writer.Attribute(L"size", sp->size.Value().ToString());
						}
						if(sp->color)
						{
							writer.Attribute(L"color", sp->color.Value().ToString());
						}
						if(sp->backgroundColor)
						{
							writer.Attribute(L"bkcolor", sp->backgroundColor.Value().ToString());
						}
						parent=element;
					}
					if(sp->bold)
					{
						Ptr<XmlElement> element=new XmlElement;
						element->name.value=sp->bold.Value()?L"b":L"b-";
						parent->subNodes.Add(element);
						parent=element;
					}
					if(sp->italic)
					{
						Ptr<XmlElement> element=new XmlElement;
						element->name.value=sp->italic.Value()?L"i":L"i-";
						parent->subNodes.Add(element);
						parent=element;
					}
					if(sp->underline)
					{
						Ptr<XmlElement> element=new XmlElement;
						element->name.value=sp->underline.Value()?L"u":L"u-";
						parent->subNodes.Add(element);
						parent=element;
					}
					if(sp->strikeline)
					{
						Ptr<XmlElement> element=new XmlElement;
						element->name.value=sp->strikeline.Value()?L"s":L"s-";
						parent->subNodes.Add(element);
						parent=element;
					}
					if(sp->antialias || sp->verticalAntialias)
					{
						bool ha=sp->antialias?sp->antialias.Value():true;
						bool va=sp->verticalAntialias?sp->verticalAntialias.Value():false;
						if(!ha)
						{
							Ptr<XmlElement> element=new XmlElement;
							element->name.value=L"ha";
							parent->subNodes.Add(element);
							parent=element;
						}
						else if(!va)
						{
							Ptr<XmlElement> element=new XmlElement;
							element->name.value=L"va";
							parent->subNodes.Add(element);
							parent=element;
						}
						else
						{
							Ptr<XmlElement> element=new XmlElement;
							element->name.value=L"na";
							parent->subNodes.Add(element);
							parent=element;
						}
					}
					VisitContainer(0, run);
					parent=oldParent;
				}

				void Visit(DocumentStyleApplicationRun* run)override
				{
					Ptr<XmlElement> element=new XmlElement;
					element->name.value=L"div";
					XmlElementWriter(element).Attribute(L"style", run->styleName);
					VisitContainer(element, run);
				}

				void Visit(DocumentHyperlinkRun* run)override
				{
					Ptr<XmlElement> element=new XmlElement;
					element->name.value=L"a";
					XmlElementWriter writer(element);
					if(run->normalStyleName!=L"#NormalLink")
					{
						writer.Attribute(L"normal", run->normalStyleName);
					}
					if(run->activeStyleName!=L"#ActiveLink")
					{
						writer.Attribute(L"active", run->activeStyleName);
					}
					if(run->reference!=L"")
					{
						writer.Attribute(L"href", run->reference);
					}
					VisitContainer(element, run);
				}

				void Visit(DocumentImageRun* run)override
				{
					XmlElementWriter writer(parent);
					writer
						.Element(L"img")
						.Attribute(L"width", itow(run->size.x))
						.Attribute(L"height", itow(run->size.y))
						.Attribute(L"baseline", itow(run->baseline))
						.Attribute(L"frameIndex", itow(run->frameIndex))
						.Attribute(L"source", run->source)
						;
				}

				void Visit(DocumentEmbeddedObjectRun* run)override
				{
					XmlElementWriter writer(parent);
					writer
						.Element(L"object")
						.Attribute(L"name", run->name)
						;
				}

				void Visit(DocumentParagraphRun* run)override
				{
					Ptr<XmlElement> element=new XmlElement;
					element->name.value=L"p";

					XmlElementWriter writer(element);
					if (run->alignment)
					{
						switch(run->alignment.Value())
						{
						case Alignment::Left:
							writer.Attribute(L"align", L"Left");
							break;
						case Alignment::Center:
							writer.Attribute(L"align", L"Center");
							break;
						case Alignment::Right:
							writer.Attribute(L"align", L"Right");
							break;
						}
					}
					VisitContainer(element, run);
				}
			};
		}
		using namespace document_operation_visitors;

/***********************************************************************
DocumentModel
***********************************************************************/

		Ptr<parsing::xml::XmlDocument> DocumentModel::SaveToXml()
		{
			Ptr<XmlDocument> xml=new XmlDocument;
			Ptr<XmlElement> doc=new XmlElement;
			doc->name.value=L"Doc";
			xml->rootElement=doc;
			{
				Ptr<XmlElement> content=new XmlElement;
				content->name.value=L"Content";
				doc->subNodes.Add(content);
				
				FOREACH(Ptr<DocumentParagraphRun>, p, paragraphs)
				{
					SerializeRunVisitor visitor(this, content);
					p->Accept(&visitor);
				}
			}
			{
				Ptr<XmlElement> stylesElement=new XmlElement;
				stylesElement->name.value=L"Styles";
				doc->subNodes.Add(stylesElement);

				for(vint i=0;i<styles.Count();i++)
				{
					WString name=styles.Keys()[i];
					if (name.Length()>0 && name[0] == L'#' && (name.Length() <= 9 || name.Right(9) != L"-Override")) continue;

					Ptr<DocumentStyle> style=styles.Values().Get(i);
					Ptr<DocumentStyleProperties> sp=style->styles;
					Ptr<XmlElement> styleElement=new XmlElement;
					styleElement->name.value=L"Style";
					stylesElement->subNodes.Add(styleElement);

					XmlElementWriter(styleElement).Attribute(L"name", name);
					if(style->parentStyleName!=L"")
					{
						XmlElementWriter(styleElement).Attribute(L"parent", style->parentStyleName);
					}

					if(sp->face)				XmlElementWriter(styleElement).Element(L"face").Text(		sp->face.Value()						);
					if(sp->size)				XmlElementWriter(styleElement).Element(L"size").Text(		sp->size.Value().ToString()				);
					if(sp->color)				XmlElementWriter(styleElement).Element(L"color").Text(		sp->color.Value().ToString()			);
					if(sp->backgroundColor)		XmlElementWriter(styleElement).Element(L"bkcolor").Text(	sp->color.Value().ToString()			);
					if(sp->bold)				XmlElementWriter(styleElement).Element(L"b").Text(			sp->bold.Value()?L"true":L"false"		);
					if(sp->italic)				XmlElementWriter(styleElement).Element(L"i").Text(			sp->italic.Value()?L"true":L"false"		);
					if(sp->underline)			XmlElementWriter(styleElement).Element(L"u").Text(			sp->underline.Value()?L"true":L"false"	);
					if(sp->strikeline)			XmlElementWriter(styleElement).Element(L"s").Text(			sp->strikeline.Value()?L"true":L"false"	);
					if(sp->antialias && sp->verticalAntialias)
					{
						bool h=sp->antialias;
						bool v=sp->verticalAntialias;
						if(!h)
						{
							XmlElementWriter(styleElement).Element(L"antialias").Text(L"no");
						}
						else if(!v)
						{
							XmlElementWriter(styleElement).Element(L"antialias").Text(L"horizontal");
						}
						else
						{
							XmlElementWriter(styleElement).Element(L"antialias").Text(L"vertical");
						}
					}
				}
			}
			return xml;
		}

		bool DocumentModel::SaveToXml(const WString& filePath)
		{
			Ptr<XmlDocument> xml=SaveToXml();
			if(xml)
			{
				stream::FileStream fileStream(filePath, stream::FileStream::WriteOnly);
				stream::BomEncoder encoder(stream::BomEncoder::Utf16);
				stream::EncoderStream encoderStream(fileStream, encoder);
				stream::StreamWriter writer(encoderStream);
				XmlPrint(xml, writer);
				return true;
			}
			return false;
		}
	}
}

/***********************************************************************
RESOURCES\GUIPARSERMANAGER.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		using namespace collections;
		using namespace controls;
		using namespace parsing::tabling;
		using namespace parsing::xml;
		using namespace parsing::json;
		using namespace regex;

/***********************************************************************
IGuiParserManager
***********************************************************************/

		IGuiParserManager* parserManager=0;

		IGuiParserManager* GetParserManager()
		{
			return parserManager;
		}

		class GuiParserManager : public Object, public IGuiParserManager, public IGuiPlugin
		{
		protected:
			Dictionary<WString, Ptr<Table>>				tables;
			Dictionary<WString, Func<Ptr<Table>()>>		loaders;
			SpinLock									lock;

			Dictionary<WString, Ptr<IGuiGeneralParser>>	parsers;
		public:
			GuiParserManager()
			{
			}

			~GuiParserManager()
			{
			}

			void Load()override
			{
				parserManager=this;
				SetParsingTable(L"XML", &XmlLoadTable);
				SetParsingTable(L"JSON", &JsonLoadTable);
				SetTableParser(L"XML", L"XML", &XmlParseDocument);
				SetTableParser(L"JSON", L"JSON", &JsonParse);
			}

			void AfterLoad()override
			{
			}

			void Unload()override
			{
				parserManager=0;
			}

			Ptr<Table> GetParsingTable(const WString& name)override
			{
				SPIN_LOCK(lock)
				{
					vint index=tables.Keys().IndexOf(name);
					if(index!=-1)
					{
						return tables.Values()[index];
					}

					index=loaders.Keys().IndexOf(name);
					if(index!=-1)
					{
						Ptr<Table> table=loaders.Values()[index]();
						tables.Add(name, table);
						return table;
					}
				}
				return 0;
			}

			bool SetParsingTable(const WString& name, Func<Ptr<Table>()> loader)override
			{
				if(loaders.Keys().Contains(name)) return false;
				loaders.Add(name, loader);
				return true;
			}

			Ptr<IGuiGeneralParser> GetParser(const WString& name)override
			{
				vint index=parsers.Keys().IndexOf(name);
				return index == -1 ? nullptr : parsers.Values()[index];
			}

			bool SetParser(const WString& name, Ptr<IGuiGeneralParser> parser)override
			{
				if(parsers.Keys().Contains(name)) return false;
				parsers.Add(name, parser);
				return true;
			}
		};
		GUI_REGISTER_PLUGIN(GuiParserManager)
	}
}

/***********************************************************************
RESOURCES\GUIRESOURCE.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		using namespace controls;
		using namespace collections;
		using namespace parsing::tabling;
		using namespace parsing::xml;
		using namespace parsing::json;
		using namespace regex;
		using namespace stream;

		WString GetFolderPath(const WString& filePath)
		{
			for(vint i=filePath.Length()-1;i>=0;i--)
			{
				if(filePath[i]==L'\\' || filePath[i]==L'/')
				{
					return filePath.Sub(0, i+1);
				}
			}
			return L"";
		}

		WString GetFileName(const WString& filePath)
		{
			for(vint i=filePath.Length()-1;i>=0;i--)
			{
				if(filePath[i]==L'\\' || filePath[i]==L'/')
				{
					return filePath.Sub(i+1, filePath.Length()-i-1);
				}
			}
			return filePath;
		}

		bool LoadTextFile(const WString& filePath, WString& text)
		{
			stream::FileStream fileStream(filePath, stream::FileStream::ReadOnly);
			return LoadTextFromStream(fileStream, text);
		}

		bool LoadTextFromStream(stream::IStream& stream, WString& text)
		{
			if(stream.IsAvailable())
			{
				stream::BomDecoder decoder;
				stream::DecoderStream decoderStream(stream, decoder);
				stream::StreamReader reader(decoderStream);
				text=reader.ReadToEnd();
				return true;
			}
			return false;
		}

		bool IsResourceUrl(const WString& text, WString& protocol, WString& path)
		{
			Pair<vint, vint> index=INVLOC.FindFirst(text, L"://", Locale::None);
			if(index.key!=-1)
			{
				protocol=INVLOC.ToLower(text.Sub(0, index.key));
				path=text.Sub(index.key+index.value, text.Length()-index.key-index.value);
				return true;
			}
			else
			{
				return false;
			}
		}

		vint HexToInt(wchar_t c)
		{
			if (L'0' <= c && c <= L'9')
			{
				return c - L'0';
			}
			else if (L'A' <= c && c <= L'F')
			{
				return c - L'A' + 10;
			}
			else
			{
				return 0;
			}
		}

		void HexToBinary(stream::IStream& stream, const WString& hexText)
		{
			const wchar_t* buffer = hexText.Buffer();
			vint count = hexText.Length() / 2;
			for (vint i = 0; i < count; i++)
			{
				vuint8_t byte = (vuint8_t)(HexToInt(buffer[0]) * 16 + HexToInt(buffer[1]));
				buffer += 2;
				stream.Write(&byte, 1);
			}
		}

		WString BinaryToHex(stream::IStream& stream)
		{
			stream::MemoryStream memoryStream;
			{
				stream::StreamWriter writer(memoryStream);
				vuint8_t byte;
				while (stream.Read(&byte, 1) == 1)
				{
					writer.WriteChar(L"0123456789ABCDEF"[byte / 16]);
					writer.WriteChar(L"0123456789ABCDEF"[byte % 16]);
				}
			}
			memoryStream.SeekFromBegin(0);
			{
				stream::StreamReader reader(memoryStream);
				return reader.ReadToEnd();
			}
		}

/***********************************************************************
GlobalStringKey
***********************************************************************/

		GlobalStringKey GlobalStringKey::Empty;
		GlobalStringKey GlobalStringKey::_Set;
		GlobalStringKey GlobalStringKey::_Ref;
		GlobalStringKey GlobalStringKey::_Bind;
		GlobalStringKey GlobalStringKey::_Format;
		GlobalStringKey GlobalStringKey::_Eval;
		GlobalStringKey GlobalStringKey::_Uri;
		GlobalStringKey GlobalStringKey::_ControlTemplate;
		GlobalStringKey GlobalStringKey::_ItemTemplate;

		class GlobalStringKeyManager
		{
		public:
			Dictionary<WString, vint>		stoi;
			List<WString>					itos;

			void InitializeConstants()
			{
				GlobalStringKey::_Set = GlobalStringKey::Get(L"set");
				GlobalStringKey::_Ref = GlobalStringKey::Get(L"ref");
				GlobalStringKey::_Bind = GlobalStringKey::Get(L"bind");
				GlobalStringKey::_Format = GlobalStringKey::Get(L"format");
				GlobalStringKey::_Eval = GlobalStringKey::Get(L"eval");
				GlobalStringKey::_Uri = GlobalStringKey::Get(L"uri");
				GlobalStringKey::_ControlTemplate = GlobalStringKey::Get(L"ControlTemplate");
				GlobalStringKey::_ItemTemplate = GlobalStringKey::Get(L"ItemTemplate");
			}
		}* globalStringKeyManager = 0;

		GlobalStringKey GlobalStringKey::Get(const WString& string)
		{
			GlobalStringKey key;
			if (string != L"")
			{
				vint index = globalStringKeyManager->stoi.Keys().IndexOf(string);
				if (index == -1)
				{
					key.key = globalStringKeyManager->itos.Add(string);
					globalStringKeyManager->stoi.Add(string, key.key);
				}
				else
				{
					key.key = globalStringKeyManager->stoi.Values()[index];
				}
			}
			return key;
		}

		vint GlobalStringKey::ToKey()const
		{
			return key;
		}

		WString GlobalStringKey::ToString()const
		{
			return *this == GlobalStringKey::Empty
				? L""
				: globalStringKeyManager->itos[key];
		}

/***********************************************************************
GuiImageData
***********************************************************************/

		GuiImageData::GuiImageData()
			:frameIndex(-1)
		{
		}

		GuiImageData::GuiImageData(Ptr<INativeImage> _image, vint _frameIndex, const WString& _filePath)
			:image(_image)
			, frameIndex(_frameIndex)
			, filePath(_filePath)
		{
		}

		GuiImageData::~GuiImageData()
		{
		}

		Ptr<INativeImage> GuiImageData::GetImage()
		{
			return image;
		}

		vint GuiImageData::GetFrameIndex()
		{
			return frameIndex;
		}

		const WString& GuiImageData::GetFilePath()
		{
			return filePath;
		}

/***********************************************************************
GuiTextData
***********************************************************************/

		GuiTextData::GuiTextData()
		{
		}

		GuiTextData::GuiTextData(const WString& _text)
			:text(_text)
		{
		}

		WString GuiTextData::GetText()
		{
			return text;
		}

/***********************************************************************
GuiResourceNodeBase
***********************************************************************/

		GuiResourceNodeBase::GuiResourceNodeBase()
			:parent(0)
		{
		}

		GuiResourceNodeBase::~GuiResourceNodeBase()
		{
		}

		const WString& GuiResourceNodeBase::GetName()
		{
			return name;
		}

		WString GuiResourceNodeBase::GetResourcePath()
		{
			auto resourcePath = name;
			auto current = parent;
			while (current && current->GetParent())
			{
				resourcePath = current->GetName() + L"/" + resourcePath;
				current = current->GetParent();
			}
			return resourcePath;
		}

		const WString& GuiResourceNodeBase::GetFileContentPath()
		{
			return fileContentPath;
		}

		void GuiResourceNodeBase::SetFileContentPath(const WString& value)
		{
			fileContentPath = value;
		}

		GuiResourceFolder* GuiResourceNodeBase::GetParent()
		{
			return parent;
		}

/***********************************************************************
GuiResourceItem
***********************************************************************/

		GuiResourceItem::GuiResourceItem()
		{
		}

		GuiResourceItem::~GuiResourceItem()
		{
		}

		const WString& GuiResourceItem::GetTypeName()
		{
			return typeName;
		}

		Ptr<DescriptableObject> GuiResourceItem::GetContent()
		{
			return content;
		}

		void GuiResourceItem::SetContent(const WString& _typeName, Ptr<DescriptableObject> value)
		{
			typeName = _typeName;
			content = value;
		}

		Ptr<GuiImageData> GuiResourceItem::AsImage()
		{
			return content.Cast<GuiImageData>();
		}

		Ptr<parsing::xml::XmlDocument> GuiResourceItem::AsXml()
		{
			return content.Cast<XmlDocument>();
		}

		Ptr<GuiTextData> GuiResourceItem::AsString()
		{
			return content.Cast<GuiTextData>();
		}

		Ptr<DocumentModel> GuiResourceItem::AsDocument()
		{
			return content.Cast<DocumentModel>();
		}

/***********************************************************************
GuiResourceFolder
***********************************************************************/

		void GuiResourceFolder::LoadResourceFolderFromXml(DelayLoadingList& delayLoadings, const WString& containingFolder, Ptr<parsing::xml::XmlElement> folderXml, collections::List<WString>& errors)
		{
			ClearItems();
			ClearFolders();
			FOREACH(Ptr<XmlElement>, element, XmlGetElements(folderXml))
			{
				WString name;
				if(Ptr<XmlAttribute> nameAtt=XmlGetAttribute(element, L"name"))
				{
					name=nameAtt->value.value;
				}
				if(element->name.value==L"Folder")
				{
					if (name == L"")
					{
						errors.Add(L"A resource folder should have a name.");
						errors.Add(
							L"Format: RESOURCE, Row: " + itow(element->codeRange.start.row + 1) +
							L", Column: " + itow(element->codeRange.start.column + 1) +
							L", Message: A resource folder should have a name.");
					}
					else
					{
						Ptr<GuiResourceFolder> folder=new GuiResourceFolder;
						if(AddFolder(name, folder))
						{
							WString newContainingFolder=containingFolder;
							Ptr<XmlElement> newFolderXml=element;
							if(Ptr<XmlAttribute> contentAtt=XmlGetAttribute(element, L"content"))
							{
								if(contentAtt->value.value==L"Link")
								{
									folder->SetFileContentPath(XmlGetValue(element));
									WString filePath = containingFolder + folder->GetFileContentPath();
									WString text;
									if(LoadTextFile(filePath, text))
									{
										if(auto parser=GetParserManager()->GetParser<XmlDocument>(L"XML"))
										{
											if(auto xml=parser->TypedParse(text, errors))
											{
												newContainingFolder=GetFolderPath(filePath);
												newFolderXml=xml->rootElement;
											}
										}
									}
									else
									{
										errors.Add(L"Failed to load file \"" + filePath + L"\".");
									}
								}
							}
							folder->LoadResourceFolderFromXml(delayLoadings, newContainingFolder, newFolderXml, errors);
						}
						else
						{
							errors.Add(L"Duplicated resource folder name \"" + name + L"\".");
						}
					}
				}
				else if(element->name.value.Length() <= 3 || element->name.value.Sub(0, 4) != L"ref.")
				{
					WString relativeFilePath;
					WString filePath;
					if(Ptr<XmlAttribute> contentAtt=XmlGetAttribute(element, L"content"))
					{
						if(contentAtt->value.value==L"File")
						{
							relativeFilePath = XmlGetValue(element);
							filePath = containingFolder + relativeFilePath;
							if(name==L"")
							{
								name=GetFileName(filePath);
							}
						}
					}

					Ptr<GuiResourceItem> item = new GuiResourceItem;
					if(AddItem(name, item))
					{
						WString type = element->name.value;
						IGuiResourceTypeResolver* typeResolver = GetResourceResolverManager()->GetTypeResolver(type);
						IGuiResourceTypeResolver* preloadResolver = typeResolver;

						if(typeResolver)
						{
							if (!typeResolver->DirectLoadXml())
							{
								WString preloadType = typeResolver->IndirectLoad()->GetPreloadType();
								if (preloadType != L"")
								{
									preloadResolver = GetResourceResolverManager()->GetTypeResolver(preloadType);
									if (!preloadResolver)
									{
										errors.Add(L"Unknown resource resolver \"" + preloadType + L"\" of resource type \"" + type + L"\".");
									}
								}
							}
						}
						else
						{
							errors.Add(L"Unknown resource type \"" + type + L"\".");
						}

						if(typeResolver && preloadResolver)
						{
							if (auto directLoad = preloadResolver->DirectLoadXml())
							{
								Ptr<DescriptableObject> resource;
								WString itemType = preloadResolver->GetType();
								if (filePath == L"")
								{
									resource = directLoad->ResolveResource(element, errors);
								}
								else
								{
									item->SetFileContentPath(relativeFilePath);
									resource = directLoad->ResolveResource(filePath, errors);
								}

								if (typeResolver != preloadResolver)
								{
									if (auto indirectLoad = typeResolver->IndirectLoad())
									{
										if(indirectLoad->IsDelayLoad())
										{
											DelayLoading delayLoading;
											delayLoading.type = type;
											delayLoading.workingDirectory = containingFolder;
											delayLoading.preloadResource = item;
											delayLoadings.Add(delayLoading);
										}
										else if(resource)
										{
											resource = indirectLoad->ResolveResource(resource, 0, errors);
											itemType = typeResolver->GetType();
										}
									}
									else
									{
										resource = 0;
										errors.Add(L"Resource type \"" + typeResolver->GetType() + L"\" is not a indirect load resource type.");
									}
								}
								item->SetContent(itemType, resource);
							}
							else
							{
								errors.Add(L"Resource type \"" + preloadResolver->GetType() + L"\" is not a direct load resource type.");
							}
						}

						if(!item->GetContent())
						{
							RemoveItem(name);
						}
					}
					else
					{
						errors.Add(L"Duplicated resource item name \"" + name + L"\".");
					}
				}
			}
		}

		void GuiResourceFolder::SaveResourceFolderToXml(Ptr<parsing::xml::XmlElement> xmlParent)
		{
			FOREACH(Ptr<GuiResourceItem>, item, items.Values())
			{
				auto resolver = GetResourceResolverManager()->GetTypeResolver(item->GetTypeName());
				if (resolver->XmlSerializable())
				{
					auto attName = MakePtr<XmlAttribute>();
					attName->name.value = L"name";
					attName->value.value = item->GetName();

					if (item->GetFileContentPath() == L"")
					{
						Ptr<XmlElement> xmlElement;

						if (auto directLoad = resolver->DirectLoadXml())
						{
							xmlElement = directLoad->Serialize(item->GetContent());
						}
						else if (auto indirectLoad = resolver->IndirectLoad())
						{
							if (auto preloadResolver = GetResourceResolverManager()->GetTypeResolver(indirectLoad->GetPreloadType()))
							{
								if (auto directLoad = preloadResolver->DirectLoadXml())
								{
									if (auto resource = indirectLoad->Serialize(item->GetContent()))
									{
										xmlElement = directLoad->Serialize(resource);
										xmlElement->name.value = resolver->GetType();
									}
								}
							}
						}

						if (xmlElement)
						{
							xmlElement->attributes.Add(attName);
							xmlParent->subNodes.Add(xmlElement);
						}
					}
					else
					{
						auto xmlElement = MakePtr<XmlElement>();
						xmlElement->name.value = item->GetTypeName();
						xmlParent->subNodes.Add(xmlElement);

						auto attContent = MakePtr<XmlAttribute>();
						attContent->name.value = L"content";
						attContent->value.value = L"File";
						xmlElement->attributes.Add(attContent);

						auto xmlText = MakePtr<XmlText>();
						xmlText->content.value = item->GetFileContentPath();
						xmlElement->subNodes.Add(xmlText);
					}
				}
			}

			FOREACH(Ptr<GuiResourceFolder>, folder, folders.Values())
			{
				auto attName = MakePtr<XmlAttribute>();
				attName->name.value = L"name";
				attName->value.value = folder->GetName();

				auto xmlFolder = MakePtr<XmlElement>();
				xmlFolder->name.value = L"Folder";
				xmlFolder->attributes.Add(attName);
				xmlParent->subNodes.Add(xmlFolder);
				

				if (folder->GetFileContentPath() == L"")
				{
					folder->SaveResourceFolderToXml(xmlFolder);
				}
				else
				{
					auto attContent = MakePtr<XmlAttribute>();
					attContent->name.value = L"content";
					attContent->value.value = L"Link";
					xmlFolder->attributes.Add(attContent);

					auto xmlText = MakePtr<XmlText>();
					xmlText->content.value = folder->GetFileContentPath();
					xmlFolder->subNodes.Add(xmlText);
				}
			}
		}

		void GuiResourceFolder::CollectTypeNames(collections::List<WString>& typeNames)
		{
			FOREACH(Ptr<GuiResourceItem>, item, items.Values())
			{
				if (!typeNames.Contains(item->GetTypeName()))
				{
					typeNames.Add(item->GetTypeName());
				}
			}
			FOREACH(Ptr<GuiResourceFolder>, folder, folders.Values())
			{
				folder->CollectTypeNames(typeNames);
			}
		}

		void GuiResourceFolder::LoadResourceFolderFromBinary(DelayLoadingList& delayLoadings, stream::internal::ContextFreeReader& reader, collections::List<WString>& typeNames, collections::List<WString>& errors)
		{
			vint count = 0;
			reader << count;
			for (vint i = 0; i < count; i++)
			{
				vint typeName = 0;
				WString name;
				reader << typeName << name;

				auto resolver = GetResourceResolverManager()->GetTypeResolver(typeNames[typeName]);
				Ptr<GuiResourceItem> item = new GuiResourceItem;
				if(AddItem(name, item))
				{
					WString type = typeNames[typeName];
					IGuiResourceTypeResolver* typeResolver = GetResourceResolverManager()->GetTypeResolver(type);
					IGuiResourceTypeResolver* preloadResolver = typeResolver;

					if(typeResolver)
					{
						if (!typeResolver->DirectLoadStream())
						{
							WString preloadType = typeResolver->IndirectLoad()->GetPreloadType();
							if (preloadType != L"")
							{
								preloadResolver = GetResourceResolverManager()->GetTypeResolver(preloadType);
								if (!preloadResolver)
								{
									errors.Add(L"Unknown resource resolver \"" + preloadType + L"\" of resource type \"" + type + L"\".");
								}
							}
						}
					}
					else
					{
						errors.Add(L"Unknown resource type \"" + type + L"\".");
					}

					if(typeResolver && preloadResolver)
					{
						if (auto directLoad = preloadResolver->DirectLoadStream())
						{
							WString itemType = preloadResolver->GetType();
							auto resource = directLoad->ResolveResourcePrecompiled(reader.input, errors);

							if (typeResolver != preloadResolver)
							{
								if (auto indirectLoad = typeResolver->IndirectLoad())
								{
									if(indirectLoad->IsDelayLoad())
									{
										DelayLoading delayLoading;
										delayLoading.type = type;
										delayLoading.preloadResource = item;
										delayLoadings.Add(delayLoading);
									}
									else if(resource)
									{
										resource = indirectLoad->ResolveResource(resource, 0, errors);
										itemType = typeResolver->GetType();
									}
								}
								else
								{
									resource = 0;
									errors.Add(L"Resource type \"" + typeResolver->GetType() + L"\" is not a indirect load resource type.");
								}
							}
							item->SetContent(itemType, resource);
						}
						else
						{
							errors.Add(L"Resource type \"" + preloadResolver->GetType() + L"\" is not a direct load resource type.");
						}
					}

					if(!item->GetContent())
					{
						RemoveItem(name);
					}
				}
				else
				{
					errors.Add(L"Duplicated resource item name \"" + name + L"\".");
				}
			}

			reader << count;
			for (vint i = 0; i < count; i++)
			{
				WString name;
				reader << name;

				auto folder = MakePtr<GuiResourceFolder>();
				folder->LoadResourceFolderFromBinary(delayLoadings, reader, typeNames, errors);
				AddFolder(name, folder);
			}
		}

		void GuiResourceFolder::SaveResourceFolderToBinary(stream::internal::ContextFreeWriter& writer, collections::List<WString>& typeNames)
		{
			typedef Tuple<vint, WString, IGuiResourceTypeResolver_DirectLoadStream*, Ptr<DescriptableObject>> ItemTuple;
			List<ItemTuple> itemTuples;

			FOREACH(Ptr<GuiResourceItem>, item, items.Values())
			{
				auto resolver = GetResourceResolverManager()->GetTypeResolver(item->GetTypeName());
				if (resolver->StreamSerializable())
				{
					vint typeName = typeNames.IndexOf(item->GetTypeName());
					WString name = item->GetName();
				
					if (auto directLoad = resolver->DirectLoadStream())
					{
						itemTuples.Add(ItemTuple(typeName, name, directLoad, item->GetContent()));
					}
					else if (auto indirectLoad = resolver->IndirectLoad())
					{
						if (auto preloadResolver = GetResourceResolverManager()->GetTypeResolver(indirectLoad->GetPreloadType()))
						{
							if (auto directLoad = preloadResolver->DirectLoadStream())
							{
								if (auto resource = indirectLoad->Serialize(item->GetContent()))
								{
									itemTuples.Add(ItemTuple(typeName, name, directLoad, resource));
								}
							}
						}
					}
				}
			}

			vint count = itemTuples.Count();
			writer << count;
			FOREACH(ItemTuple, item, itemTuples)
			{
				vint typeName = item.f0;
				WString name = item.f1;
				writer << typeName << name;

				auto directLoad = item.f2;
				auto resource = item.f3;
				directLoad->SerializePrecompiled(resource, writer.output);
			}

			count = folders.Count();
			writer << count;
			FOREACH(Ptr<GuiResourceFolder>, folder, folders.Values())
			{
				WString name = folder->GetName();
				writer << name;
				folder->SaveResourceFolderToBinary(writer, typeNames);
			}
		}

		void GuiResourceFolder::PrecompileResourceFolder(GuiResourcePrecompileContext& context, IGuiResourcePrecompileCallback* callback, collections::List<WString>& errors)
		{
			FOREACH(Ptr<GuiResourceItem>, item, items.Values())
			{
				auto typeResolver = GetResourceResolverManager()->GetTypeResolver(item->GetTypeName());
				if (auto precompile = typeResolver->Precompile())
				{
					if (precompile->GetPassSupport(context.passIndex) == IGuiResourceTypeResolver_Precompile::PerResource)
					{
						if (callback)
						{
							callback->OnPerResource(context.passIndex, item);
						}
						precompile->PerResourcePrecompile(item, context, errors);
					}
				}
			}

			FOREACH(Ptr<GuiResourceFolder>, folder, folders.Values())
			{
				folder->PrecompileResourceFolder(context, callback, errors);
			}
		}

		void GuiResourceFolder::InitializeResourceFolder(GuiResourceInitializeContext& context)
		{
			FOREACH(Ptr<GuiResourceItem>, item, items.Values())
			{
				auto typeResolver = GetResourceResolverManager()->GetTypeResolver(item->GetTypeName());
				if (auto initialize = typeResolver->Initialize())
				{
					initialize->Initialize(item, context);
				}
			}

			FOREACH(Ptr<GuiResourceFolder>, folder, folders.Values())
			{
				folder->InitializeResourceFolder(context);
			}
		}

		GuiResourceFolder::GuiResourceFolder()
		{
		}

		GuiResourceFolder::~GuiResourceFolder()
		{
		}

		const GuiResourceFolder::ItemList& GuiResourceFolder::GetItems()
		{
			return items.Values();
		}

		Ptr<GuiResourceItem> GuiResourceFolder::GetItem(const WString& name)
		{
			vint index=items.Keys().IndexOf(name);
			return index == -1 ? nullptr : items.Values().Get(index);
		}

		bool GuiResourceFolder::AddItem(const WString& name, Ptr<GuiResourceItem> item)
		{
			if(item->GetParent()!=0 || items.Keys().Contains(name)) return false;
			items.Add(name, item);
			item->parent=this;
			item->name=name;
			return true;
		}

		Ptr<GuiResourceItem> GuiResourceFolder::RemoveItem(const WString& name)
		{
			Ptr<GuiResourceItem> item=GetItem(name);
			if(!item) return 0;
			items.Remove(name);
			return item;
		}

		void GuiResourceFolder::ClearItems()
		{
			items.Clear();
		}

		const GuiResourceFolder::FolderList& GuiResourceFolder::GetFolders()
		{
			return folders.Values();
		}

		Ptr<GuiResourceFolder> GuiResourceFolder::GetFolder(const WString& name)
		{
			vint index=folders.Keys().IndexOf(name);
			return index == -1 ? nullptr : folders.Values().Get(index);
		}

		bool GuiResourceFolder::AddFolder(const WString& name, Ptr<GuiResourceFolder> folder)
		{
			if(folder->GetParent()!=0 || folders.Keys().Contains(name)) return false;
			folders.Add(name, folder);
			folder->parent=this;
			folder->name=name;
			return true;
		}

		Ptr<GuiResourceFolder> GuiResourceFolder::RemoveFolder(const WString& name)
		{
			Ptr<GuiResourceFolder> folder=GetFolder(name);
			if(!folder) return 0;
			folders.Remove(name);
			return folder;
		}

		void GuiResourceFolder::ClearFolders()
		{
			folders.Clear();
		}

		Ptr<DescriptableObject> GuiResourceFolder::GetValueByPath(const WString& path)
		{
			const wchar_t* buffer=path.Buffer();
			const wchar_t* index=wcschr(buffer, L'\\');
			if(!index) index=wcschr(buffer, '/');

			if(index)
			{
				WString name=path.Sub(0, index-buffer);
				Ptr<GuiResourceFolder> folder=GetFolder(name);
				if(folder)
				{
					vint start=index-buffer+1;
					return folder->GetValueByPath(path.Sub(start, path.Length()-start));
				}
			}
			else
			{
				Ptr<GuiResourceItem> item=GetItem(path);
				if(item)
				{
					return item->GetContent();
				}
			}
			return 0;
		}

		Ptr<GuiResourceFolder> GuiResourceFolder::GetFolderByPath(const WString& path)
		{
			const wchar_t* buffer=path.Buffer();
			const wchar_t* index=wcschr(buffer, L'\\');
			if(!index) index=wcschr(buffer, '/');
			if(!index) return 0;

			WString name=path.Sub(0, index-buffer);
			Ptr<GuiResourceFolder> folder=GetFolder(name);

			if(index-buffer==path.Length()-1)
			{
				return folder;
			}

			if(folder)
			{
				vint start=index-buffer+1;
				return folder->GetFolderByPath(path.Sub(start, path.Length()-start));
			}

			return 0;
		}

		bool GuiResourceFolder::CreateValueByPath(const WString& path, const WString& typeName, Ptr<DescriptableObject> value)
		{
			const wchar_t* buffer = path.Buffer();
			const wchar_t* index = wcschr(buffer, L'\\');
			if (!index) index = wcschr(buffer, '/');

			if(index)
			{
				WString name = path.Sub(0, index - buffer);
				Ptr<GuiResourceFolder> folder = GetFolder(name);
				if (!folder)
				{
					folder = new GuiResourceFolder;
					AddFolder(name, folder);
				}
				vint start = index - buffer + 1;
				return folder->CreateValueByPath(path.Sub(start, path.Length() - start), typeName, value);
			}
			else
			{
				if(GetItem(path))
				{
					return false;
				}

				auto item = new GuiResourceItem;
				item->SetContent(typeName, value);
				return AddItem(path, item);
			}
		}

/***********************************************************************
GuiResource
***********************************************************************/

		void GuiResource::ProcessDelayLoading(Ptr<GuiResource> resource, DelayLoadingList& delayLoadings, collections::List<WString>& errors)
		{
			FOREACH(DelayLoading, delay, delayLoadings)
			{
				WString type = delay.type;
				WString folder = delay.workingDirectory;
				Ptr<GuiResourceItem> item = delay.preloadResource;

				auto typeResolver = GetResourceResolverManager()->GetTypeResolver(type);
				auto indirectLoad = typeResolver->IndirectLoad();
				if (!indirectLoad)
				{
					errors.Add(L"Unknown resource type \"" + type + L"\".");
				}
				else if (item->GetContent())
				{
					Ptr<GuiResourcePathResolver> pathResolver = new GuiResourcePathResolver(resource, folder);
					Ptr<DescriptableObject> resource = indirectLoad->ResolveResource(item->GetContent(), pathResolver, errors);
					if(resource)
					{
						item->SetContent(typeResolver->GetType(), resource);
					}
				}
			}
		}

		GuiResource::GuiResource()
		{
		}

		GuiResource::~GuiResource()
		{
		}

		WString GuiResource::GetWorkingDirectory()
		{
			return workingDirectory;
		}

		Ptr<GuiResource> GuiResource::LoadFromXml(Ptr<parsing::xml::XmlDocument> xml, const WString& workingDirectory, collections::List<WString>& errors)
		{
			Ptr<GuiResource> resource = new GuiResource;
			resource->workingDirectory = workingDirectory;
			DelayLoadingList delayLoadings;
			resource->LoadResourceFolderFromXml(delayLoadings, resource->workingDirectory, xml->rootElement, errors);

			ProcessDelayLoading(resource, delayLoadings, errors);
			return resource;
		}

		Ptr<GuiResource> GuiResource::LoadFromXml(const WString& filePath, collections::List<WString>& errors)
		{
			Ptr<XmlDocument> xml;
			if(auto parser=GetParserManager()->GetParser<XmlDocument>(L"XML"))
			{
				WString text;
				if(LoadTextFile(filePath, text))
				{
					xml = parser->TypedParse(text, errors);
				}
				else
				{
					errors.Add(L"Failed to load file \"" + filePath + L"\".");
				}
			}
			if(xml)
			{
				return LoadFromXml(xml, GetFolderPath(filePath), errors);
			}
			return 0;
		}

		Ptr<parsing::xml::XmlDocument> GuiResource::SaveToXml()
		{
			auto xmlRoot = MakePtr<XmlElement>();
			xmlRoot->name.value = L"Resource";
			SaveResourceFolderToXml(xmlRoot);

			auto doc = MakePtr<XmlDocument>();
			doc->rootElement = xmlRoot;
			return doc;
		}

		Ptr<GuiResource> GuiResource::LoadPrecompiledBinary(stream::IStream& stream, collections::List<WString>& errors)
		{
			stream::internal::ContextFreeReader reader(stream);
			auto resource = MakePtr<GuiResource>();

			List<WString> typeNames;
			reader << typeNames;
			
			DelayLoadingList delayLoadings;
			resource->LoadResourceFolderFromBinary(delayLoadings, reader, typeNames, errors);
			
			ProcessDelayLoading(resource, delayLoadings, errors);
			return resource;
		}

		void GuiResource::SavePrecompiledBinary(stream::IStream& stream)
		{
			stream::internal::ContextFreeWriter writer(stream);

			List<WString> typeNames;
			CollectTypeNames(typeNames);
			writer << typeNames;
			SaveResourceFolderToBinary(writer, typeNames);
		}

		void GuiResource::Precompile(IGuiResourcePrecompileCallback* callback, collections::List<WString>& errors)
		{
			if (GetFolder(L"Precompiled"))
			{
				errors.Add(L"A precompiled resource cannot be compiled again.");
				return;
			}

			GuiResourcePrecompileContext context;
			context.rootResource = this;
			context.resolver = new GuiResourcePathResolver(this, workingDirectory);
			context.targetFolder = new GuiResourceFolder;
			
			auto manager = GetResourceResolverManager();
			vint maxPass = manager->GetMaxPrecompilePassIndex();
			List<WString> resolvers;
			for (vint i = 0; i <= maxPass; i++)
			{
				context.passIndex = i;
				{
					manager->GetPerResourceResolverNames(i, resolvers);
					if (resolvers.Count() > 0)
					{
						PrecompileResourceFolder(context, callback, errors);
					}
				}
				{
					manager->GetPerPassResolverNames(i, resolvers);
					if (resolvers.Count() > 0)
					{
						if (callback)
						{
							callback->OnPerPass(i);
						}
						FOREACH(WString, name, resolvers)
						{
							auto resolver = manager->GetTypeResolver(name);
							resolver->Precompile()->PerPassPrecompile(context, errors);
						}
					}
				}
			}
			if (errors.Count() == 0)
			{
				AddFolder(L"Precompiled", context.targetFolder);
			}
		}

		void GuiResource::Initialize(GuiResourceUsage usage)
		{
			auto precompiledFolder = GetFolder(L"Precompiled");
			if (!precompiledFolder)
			{
				CHECK_FAIL(L"GuiResource::Initialize()#Cannot initialize a non-precompiled resource.");
				return;
			}
			
			GuiResourceInitializeContext context;
			context.rootResource = this;
			context.resolver = new GuiResourcePathResolver(this, workingDirectory);
			context.targetFolder = precompiledFolder;
			context.usage = usage;

			vint maxPass = GetResourceResolverManager()->GetMaxInitializePassIndex();
			for (vint i = 0; i <= maxPass; i++)
			{
				context.passIndex = i;
				InitializeResourceFolder(context);
			}
		}

		Ptr<DocumentModel> GuiResource::GetDocumentByPath(const WString& path)
		{
			Ptr<DocumentModel> result=GetValueByPath(path).Cast<DocumentModel>();
			if(!result) throw ArgumentException(L"Path not exists.", L"GuiResource::GetDocumentByPath", L"path");
			return result;
		}

		Ptr<GuiImageData> GuiResource::GetImageByPath(const WString& path)
		{
			Ptr<GuiImageData> result=GetValueByPath(path).Cast<GuiImageData>();
			if(!result) throw ArgumentException(L"Path not exists.", L"GuiResource::GetImageByPath", L"path");
			return result;
		}

		Ptr<parsing::xml::XmlDocument> GuiResource::GetXmlByPath(const WString& path)
		{
			Ptr<XmlDocument> result=GetValueByPath(path).Cast<XmlDocument>();
			if(!result) throw ArgumentException(L"Path not exists.", L"GuiResource::GetXmlByPath", L"path");
			return result;
		}

		WString GuiResource::GetStringByPath(const WString& path)
		{
			Ptr<ObjectBox<WString>> result=GetValueByPath(path).Cast<ObjectBox<WString>>();
			if(!result) throw ArgumentException(L"Path not exists.", L"GuiResource::GetStringByPath", L"path");
			return result->Unbox();
		}

/***********************************************************************
GuiResourcePathResolver
***********************************************************************/

		GuiResourcePathResolver::GuiResourcePathResolver(Ptr<GuiResource> _resource, const WString& _workingDirectory)
			:resource(_resource)
			,workingDirectory(_workingDirectory)
		{
		}

		GuiResourcePathResolver::~GuiResourcePathResolver()
		{
		}

		Ptr<DescriptableObject> GuiResourcePathResolver::ResolveResource(const WString& protocol, const WString& path)
		{
			Ptr<IGuiResourcePathResolver> resolver;
			vint index=resolvers.Keys().IndexOf(protocol);
			if(index==-1)
			{
				IGuiResourcePathResolverFactory* factory=GetResourceResolverManager()->GetPathResolverFactory(protocol);
				if(factory)
				{
					resolver=factory->CreateResolver(resource, workingDirectory);
				}
				resolvers.Add(protocol, resolver);
			}
			else
			{
				resolver=resolvers.Values()[index];
			}

			if(resolver)
			{
				return resolver->ResolveResource(path);
			}
			else
			{
				return 0;
			}
		}

/***********************************************************************
GuiResourcePathFileResolver
***********************************************************************/

		class GuiResourcePathFileResolver : public Object, public IGuiResourcePathResolver
		{
		protected:
			WString					workingDirectory;

		public:
			GuiResourcePathFileResolver(const WString& _workingDirectory)
				:workingDirectory(_workingDirectory)
			{
			}

			Ptr<DescriptableObject> ResolveResource(const WString& path)
			{
				WString filename=path;
				if(filename.Length()>=2 && filename[1]!=L':')
				{
					filename=workingDirectory+filename;
				}
				Ptr<INativeImage> image=GetCurrentController()->ImageService()->CreateImageFromFile(filename);
				return new GuiImageData(image, 0);
			}

			class Factory : public Object, public IGuiResourcePathResolverFactory
			{
			public:
				WString GetProtocol()override
				{
					return L"file";
				}

				Ptr<IGuiResourcePathResolver> CreateResolver(Ptr<GuiResource> resource, const WString& workingDirectory)override
				{
					return new GuiResourcePathFileResolver(workingDirectory);
				}
			};
		};

/***********************************************************************
GuiResourcePathResResolver
***********************************************************************/

		class GuiResourcePathResResolver : public Object, public IGuiResourcePathResolver
		{
		protected:
			Ptr<GuiResource>		resource;

		public:
			GuiResourcePathResResolver(Ptr<GuiResource> _resource)
				:resource(_resource)
			{
			}

			Ptr<DescriptableObject> ResolveResource(const WString& path)
			{
				if(resource)
				{
					if(path.Length()>0)
					{
						switch(path[path.Length()-1])
						{
						case L'\\':case L'/':
							return resource->GetFolderByPath(path);
						default:
							return resource->GetValueByPath(path);
						}
					}
				}
				return 0;
			}

			class Factory : public Object, public IGuiResourcePathResolverFactory
			{
			public:
				WString GetProtocol()override
				{
					return L"res";
				}

				Ptr<IGuiResourcePathResolver> CreateResolver(Ptr<GuiResource> resource, const WString& workingDirectory)override
				{
					return new GuiResourcePathResResolver(resource);
				}
			};
		};

/***********************************************************************
IGuiResourceResolverManager
***********************************************************************/

		IGuiResourceResolverManager* resourceResolverManager=0;

		IGuiResourceResolverManager* GetResourceResolverManager()
		{
			return resourceResolverManager;
		}

		class GuiResourceResolverManager : public Object, public IGuiResourceResolverManager, public IGuiPlugin
		{
			typedef Dictionary<WString, Ptr<IGuiResourcePathResolverFactory>>			PathFactoryMap;
			typedef Dictionary<WString, Ptr<IGuiResourceTypeResolver>>					TypeResolverMap;
			typedef Group<vint, WString>												ResolverGroup;
		protected:
			PathFactoryMap				pathFactories;
			TypeResolverMap				typeResolvers;
			ResolverGroup				perResourceResolvers;
			ResolverGroup				perPassResolvers;

		public:
			GuiResourceResolverManager()
			{
			}

			~GuiResourceResolverManager()
			{
			}

			void Load()override
			{
				globalStringKeyManager = new GlobalStringKeyManager();
				globalStringKeyManager->InitializeConstants();

				resourceResolverManager = this;
				SetPathResolverFactory(new GuiResourcePathFileResolver::Factory);
				SetPathResolverFactory(new GuiResourcePathResResolver::Factory);
			}

			void AfterLoad()override
			{
			}

			void Unload()override
			{
				delete globalStringKeyManager;
				globalStringKeyManager = 0;
				resourceResolverManager = 0;
			}

			IGuiResourcePathResolverFactory* GetPathResolverFactory(const WString& protocol)override
			{
				vint index=pathFactories.Keys().IndexOf(protocol);
				return index==-1?0:pathFactories.Values()[index].Obj();
			}

			bool SetPathResolverFactory(Ptr<IGuiResourcePathResolverFactory> factory)override
			{
				if(pathFactories.Keys().Contains(factory->GetProtocol())) return false;
				pathFactories.Add(factory->GetProtocol(), factory);
				return true;
			}

			IGuiResourceTypeResolver* GetTypeResolver(const WString& type)override
			{
				vint index=typeResolvers.Keys().IndexOf(type);
				return index==-1?0:typeResolvers.Values()[index].Obj();
			}

			bool SetTypeResolver(Ptr<IGuiResourceTypeResolver> resolver)override
			{
				if(typeResolvers.Keys().Contains(resolver->GetType())) return false;
				typeResolvers.Add(resolver->GetType(), resolver);

				if (auto precompile = resolver->Precompile())
				{
					vint maxPassIndex = precompile->GetMaxPassIndex();
					for (vint i = 0; i <= maxPassIndex; i++)
					{
						switch (precompile->GetPassSupport(i))
						{
						case IGuiResourceTypeResolver_Precompile::PerResource:
							perResourceResolvers.Add(i, resolver->GetType());
							break;
						case IGuiResourceTypeResolver_Precompile::PerPass:
							perPassResolvers.Add(i, resolver->GetType());
							break;
						default:;
						}
					}
				}

				return true;
			}

			vint GetMaxPrecompilePassIndex()override
			{
				vint maxPass = -1;
				FOREACH(Ptr<IGuiResourceTypeResolver>, resolver, typeResolvers.Values())
				{
					if (auto precompile = resolver->Precompile())
					{
						vint pass = precompile->GetMaxPassIndex();
						if (maxPass < pass)
						{
							maxPass = pass;
						}
					}
				}
				return maxPass;
			}

			vint GetMaxInitializePassIndex()override
			{
				vint maxPass = -1;
				FOREACH(Ptr<IGuiResourceTypeResolver>, resolver, typeResolvers.Values())
				{
					if (auto initialize = resolver->Initialize())
					{
						vint pass = initialize->GetMaxPassIndex();
						if (maxPass < pass)
						{
							maxPass = pass;
						}
					}
				}
				return maxPass;
			}

			void GetPerResourceResolverNames(vint passIndex, collections::List<WString>& names)override
			{
				names.Clear();
				vint index = perResourceResolvers.Keys().IndexOf(passIndex);
				if (index != -1)
				{
					CopyFrom(names, perResourceResolvers.GetByIndex(index));
				}
			}

			void GetPerPassResolverNames(vint passIndex, collections::List<WString>& names)override
			{
				names.Clear();
				vint index = perPassResolvers.Keys().IndexOf(passIndex);
				if (index != -1)
				{
					CopyFrom(names, perPassResolvers.GetByIndex(index));
				}
			}
		};
		GUI_REGISTER_PLUGIN(GuiResourceResolverManager)
	}
}

/***********************************************************************
RESOURCES\GUIRESOURCEMANAGER.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		using namespace collections;
		using namespace stream;
		using namespace reflection::description;
		using namespace controls;

/***********************************************************************
Class Name Record (ClassNameRecord)
***********************************************************************/

		class GuiResourceClassNameRecordTypeResolver
			: public Object
			, public IGuiResourceTypeResolver
			, private IGuiResourceTypeResolver_DirectLoadStream
		{
		public:
			WString GetType()override
			{
				return L"ClassNameRecord";
			}

			bool XmlSerializable()override
			{
				return false;
			}

			bool StreamSerializable()override
			{
				return true;
			}

			IGuiResourceTypeResolver_DirectLoadStream* DirectLoadStream()override
			{
				return this;
			}

			void SerializePrecompiled(Ptr<DescriptableObject> resource, stream::IStream& stream)override
			{
				if (auto obj = resource.Cast<GuiResourceClassNameRecord>())
				{
					internal::ContextFreeWriter writer(stream);
					writer << obj->classNames;
				}
			}

			Ptr<DescriptableObject> ResolveResourcePrecompiled(stream::IStream& stream, collections::List<WString>& errors)override
			{
				internal::ContextFreeReader reader(stream);

				auto obj = MakePtr<GuiResourceClassNameRecord>();
				reader << obj->classNames;
				return obj;
			}
		};

/***********************************************************************
IGuiInstanceResourceManager
***********************************************************************/

		IGuiResourceManager* resourceManager = 0;

		IGuiResourceManager* GetResourceManager()
		{
			return resourceManager;
		}

		class GuiResourceManager : public Object, public IGuiResourceManager, public IGuiPlugin
		{
		protected:
			typedef Dictionary<WString, Ptr<GuiResource>>					ResourceMap;

			ResourceMap								resources;
			ResourceMap								instanceResources;

		public:
			GuiResourceManager()
			{
			}

			void Load()override
			{
				resourceManager = this;
			}

			void AfterLoad()override
			{
				IGuiResourceResolverManager* manager = GetResourceResolverManager();
				manager->SetTypeResolver(new GuiResourceClassNameRecordTypeResolver);
			}

			void Unload()override
			{
				resourceManager = nullptr;
			}

			bool SetResource(const WString& name, Ptr<GuiResource> resource, GuiResourceUsage usage)override
			{
				vint index = resources.Keys().IndexOf(name);
				if (index != -1) return false;
				
				resource->Initialize(usage);
				resources.Add(name, resource);
				
				auto record = resource->GetValueByPath(L"Precompiled/ClassNameRecord").Cast<GuiResourceClassNameRecord>();
				FOREACH(WString, className, record->classNames)
				{
					instanceResources.Add(className, resource);
				}
				return true;
			}

			Ptr<GuiResource> GetResource(const WString& name)override
			{
				vint index = resources.Keys().IndexOf(name);
				return index == -1 ? nullptr : resources.Values()[index];
			}

			Ptr<GuiResource> GetResourceFromClassName(const WString& classFullName)override
			{
				vint index = instanceResources.Keys().IndexOf(classFullName);
				if (index == -1) return nullptr;
				return instanceResources.Values()[index];
			}
		};
		GUI_REGISTER_PLUGIN(GuiResourceManager)
	}
}

/***********************************************************************
RESOURCES\GUIRESOURCETYPERESOLVERS.CPP
***********************************************************************/

namespace vl
{
	namespace presentation
	{
		using namespace collections;
		using namespace controls;
		using namespace parsing;
		using namespace parsing::tabling;
		using namespace parsing::xml;
		using namespace stream;

/***********************************************************************
Image Type Resolver (Image)
***********************************************************************/

		class GuiResourceImageTypeResolver
			: public Object
			, public IGuiResourceTypeResolver
			, private IGuiResourceTypeResolver_DirectLoadXml
			, private IGuiResourceTypeResolver_DirectLoadStream
		{
		public:
			WString GetType()override
			{
				return L"Image";
			}

			bool XmlSerializable()override
			{
				return true;
			}

			bool StreamSerializable()override
			{
				return true;
			}

			IGuiResourceTypeResolver_DirectLoadXml* DirectLoadXml()override
			{
				return this;
			}

			IGuiResourceTypeResolver_DirectLoadStream* DirectLoadStream()override
			{
				return this;
			}

			Ptr<parsing::xml::XmlElement> Serialize(Ptr<DescriptableObject> resource)override
			{
				if (auto obj = resource.Cast<GuiImageData>())
				{
					FileStream fileStream(obj->GetFilePath(), FileStream::ReadOnly);
					if (fileStream.IsAvailable())
					{
						auto xmlContent = MakePtr<XmlCData>();
						xmlContent->content.value = BinaryToHex(fileStream);

						auto xmlImage = MakePtr<XmlElement>();
						xmlImage->name.value = L"Image";
						xmlImage->subNodes.Add(xmlContent);
						return xmlImage;
					}
				}
				return 0;
			}

			void SerializePrecompiled(Ptr<DescriptableObject> resource, stream::IStream& stream)override
			{
				auto obj = resource.Cast<GuiImageData>();
				stream::internal::ContextFreeWriter writer(stream);
				FileStream fileStream(obj->GetFilePath(), FileStream::ReadOnly);
				writer << (stream::IStream&)fileStream;
			}

			Ptr<DescriptableObject> ResolveResource(Ptr<parsing::xml::XmlElement> element, collections::List<WString>& errors)override
			{
				MemoryStream stream;
				HexToBinary(stream, XmlGetValue(element));
				stream.SeekFromBegin(0);
				auto image = GetCurrentController()->ImageService()->CreateImageFromStream(stream);
				if (image)
				{
					return new GuiImageData(image, 0);
				}
				else
				{
					errors.Add(L"Failed to load an image from binary data in xml.");
					return 0;
				}
			}

			Ptr<DescriptableObject> ResolveResource(const WString& path, collections::List<WString>& errors)override
			{
				Ptr<INativeImage> image = GetCurrentController()->ImageService()->CreateImageFromFile(path);
				if(image)
				{
					return new GuiImageData(image, 0, path);
				}
				else
				{
					errors.Add(L"Failed to load file \"" + path + L"\".");
					return 0;
				}
			}

			Ptr<DescriptableObject> ResolveResourcePrecompiled(stream::IStream& stream, collections::List<WString>& errors)override
			{
				stream::internal::ContextFreeReader reader(stream);
				MemoryStream memoryStream;
				reader << (stream::IStream&)memoryStream;

				auto image = GetCurrentController()->ImageService()->CreateImageFromStream(memoryStream);
				if (image)
				{
					return new GuiImageData(image, 0);
				}
				else
				{
					errors.Add(L"Failed to load an image from binary data in a stream.");
					return 0;
				}
			}
		};

/***********************************************************************
Text Type Resolver (Text)
***********************************************************************/

		class GuiResourceTextTypeResolver
			: public Object
			, public IGuiResourceTypeResolver
			, private IGuiResourceTypeResolver_DirectLoadXml
			, private IGuiResourceTypeResolver_DirectLoadStream
		{
		public:
			WString GetType()override
			{
				return L"Text";
			}

			bool XmlSerializable()override
			{
				return true;
			}

			bool StreamSerializable()override
			{
				return true;
			}

			IGuiResourceTypeResolver_DirectLoadXml* DirectLoadXml()override
			{
				return this;
			}

			IGuiResourceTypeResolver_DirectLoadStream* DirectLoadStream()override
			{
				return this;
			}

			Ptr<parsing::xml::XmlElement> Serialize(Ptr<DescriptableObject> resource)override
			{
				if (auto obj = resource.Cast<GuiTextData>())
				{
					auto xmlContent = MakePtr<XmlText>();
					xmlContent->content.value = obj->GetText();

					auto xmlText = MakePtr<XmlElement>();
					xmlText->name.value = L"Text";
					xmlText->subNodes.Add(xmlContent);

					return xmlText;
				}
				return 0;
			}

			void SerializePrecompiled(Ptr<DescriptableObject> resource, stream::IStream& stream)override
			{
				auto obj = resource.Cast<GuiTextData>();
				stream::internal::ContextFreeWriter writer(stream);
				WString text = obj->GetText();
				writer << text;
			}

			Ptr<DescriptableObject> ResolveResource(Ptr<parsing::xml::XmlElement> element, collections::List<WString>& errors)override
			{
				return new GuiTextData(XmlGetValue(element));
			}

			Ptr<DescriptableObject> ResolveResource(const WString& path, collections::List<WString>& errors)override
			{
				WString text;
				if(LoadTextFile(path, text))
				{
					return new GuiTextData(text);
				}
				else
				{
					errors.Add(L"Failed to load file \"" + path + L"\".");
					return 0;
				}
			}

			Ptr<DescriptableObject> ResolveResourcePrecompiled(stream::IStream& stream, collections::List<WString>& errors)override
			{
				stream::internal::ContextFreeReader reader(stream);
				WString text;
				reader << text;
				return new GuiTextData(text);
			}
		};

/***********************************************************************
Xml Type Resolver (Xml)
***********************************************************************/

		class GuiResourceXmlTypeResolver
			: public Object
			, public IGuiResourceTypeResolver
			, private IGuiResourceTypeResolver_DirectLoadXml
			, private IGuiResourceTypeResolver_DirectLoadStream
		{
		public:
			WString GetType()override
			{
				return L"Xml";
			}

			bool XmlSerializable()override
			{
				return true;
			}

			bool StreamSerializable()override
			{
				return true;
			}

			IGuiResourceTypeResolver_DirectLoadXml* DirectLoadXml()override
			{
				return this;
			}

			IGuiResourceTypeResolver_DirectLoadStream* DirectLoadStream()override
			{
				return this;
			}

			Ptr<parsing::xml::XmlElement> Serialize(Ptr<DescriptableObject> resource)override
			{
				if (auto obj = resource.Cast<XmlDocument>())
				{
					auto xmlXml = MakePtr<XmlElement>();
					xmlXml->name.value = L"Xml";
					xmlXml->subNodes.Add(obj->rootElement);
					return xmlXml;
				}
				return 0;
			}

			void SerializePrecompiled(Ptr<DescriptableObject> resource, stream::IStream& stream)override
			{
				auto obj = resource.Cast<XmlDocument>();
				MemoryStream buffer;
				{
					StreamWriter writer(buffer);
					XmlPrint(obj, writer);
				}
				{
					buffer.SeekFromBegin(0);
					StreamReader reader(buffer);
					WString text = reader.ReadToEnd();

					stream::internal::ContextFreeWriter writer(stream);
					writer << text;
				}
			}

			Ptr<DescriptableObject> ResolveResource(Ptr<parsing::xml::XmlElement> element, collections::List<WString>& errors)override
			{
				Ptr<XmlElement> root = XmlGetElements(element).First(0);
				if(root)
				{
					Ptr<XmlDocument> xml=new XmlDocument;
					xml->rootElement=root;
					return xml;
				}
				return 0;
			}

			Ptr<DescriptableObject> ResolveResource(const WString& path, collections::List<WString>& errors)override
			{
				if(auto parser=GetParserManager()->GetParser<XmlDocument>(L"XML"))
				{
					WString text;
					if(LoadTextFile(path, text))
					{
						return parser->TypedParse(text, errors);
					}
					else
					{
						errors.Add(L"Failed to load file \"" + path + L"\".");
					}
				}
				return 0;
			}

			Ptr<DescriptableObject> ResolveResourcePrecompiled(stream::IStream& stream, collections::List<WString>& errors)override
			{
				stream::internal::ContextFreeReader reader(stream);
				WString text;
				reader << text;

				auto parser = GetParserManager()->GetParser<XmlDocument>(L"XML");
				return parser->TypedParse(text, errors);
			}
		};

/***********************************************************************
Doc Type Resolver (Doc)
***********************************************************************/

		class GuiResourceDocTypeResolver
			: public Object
			, public IGuiResourceTypeResolver
			, private IGuiResourceTypeResolver_IndirectLoad
		{
		public:
			WString GetType()override
			{
				return L"Doc";
			}

			bool XmlSerializable()override
			{
				return true;
			}

			bool StreamSerializable()override
			{
				return true;
			}

			WString GetPreloadType()override
			{
				return L"Xml";
			}

			bool IsDelayLoad()override
			{
				return true;
			}

			IGuiResourceTypeResolver_IndirectLoad* IndirectLoad()override
			{
				return this;
			}

			Ptr<DescriptableObject> Serialize(Ptr<DescriptableObject> resource)override
			{
				if (auto obj = resource.Cast<DocumentModel>())
				{
					return obj->SaveToXml();
				}
				return 0;
			}

			Ptr<DescriptableObject> ResolveResource(Ptr<DescriptableObject> resource, Ptr<GuiResourcePathResolver> resolver, collections::List<WString>& errors)override
			{
				Ptr<XmlDocument> xml = resource.Cast<XmlDocument>();
				if(xml)
				{
					Ptr<DocumentModel> model=DocumentModel::LoadFromXml(xml, resolver, errors);
					return model;
				}
				return 0;
			}
		};

/***********************************************************************
Type Resolver Plugin
***********************************************************************/

		class GuiResourceTypeResolverPlugin : public Object, public IGuiPlugin
		{
		public:
			void Load()override
			{
			}

			void AfterLoad()override
			{
				IGuiResourceResolverManager* manager=GetResourceResolverManager();
				manager->SetTypeResolver(new GuiResourceImageTypeResolver);
				manager->SetTypeResolver(new GuiResourceTextTypeResolver);
				manager->SetTypeResolver(new GuiResourceXmlTypeResolver);
				manager->SetTypeResolver(new GuiResourceDocTypeResolver);
			}

			void Unload()override
			{
			}
		};
		GUI_REGISTER_PLUGIN(GuiResourceTypeResolverPlugin)
	}
}