Update GacUI_Controls\TextEditor demo

Tutorial/GacUI_Controls/TextEditor/UI/Resource.xml

@@ -77,7 +77,21 @@
                          Input="DisplayYesNoCancel"
                          Icon="IconQuestion"
                          Title-eval="self.Text"
-                         Text="Do you want to save the file before closing this application?"
+                         Text="Do you want to save this file?"
+          />
+          
+          <MessageDialog ref.Name="dialogCannotOpen"
+                         Input="DisplayOK"
+                         Icon="IconError"
+                         Title-eval="self.Text"
+                         Text="Cannot open the selected file."
+          />
+          
+          <MessageDialog ref.Name="dialogCannotSave"
+                         Input="DisplayOK"
+                         Icon="IconError"
+                         Title-eval="self.Text"
+                         Text="Cannot save the selected file."
           />
           
           <OpenFileDialog ref.Name="dialogOpen"

Tutorial/GacUI_Controls/TextEditor/UI/Source/DemoPartialClasses.h

@@ -40,6 +40,8 @@ namespace demo
 		vl::presentation::controls::GuiToolstripCommand* commandFileOpenXml;
 		vl::presentation::controls::GuiToolstripCommand* commandFileSave;
 		vl::presentation::controls::GuiToolstripCommand* commandFileSaveAs;
+		vl::presentation::controls::GuiMessageDialog* dialogCannotOpen;
+		vl::presentation::controls::GuiMessageDialog* dialogCannotSave;
 		vl::presentation::controls::GuiOpenFileDialog* dialogOpen;
 		vl::presentation::controls::GuiMessageDialog* dialogQueryClose;
 		vl::presentation::controls::GuiSaveFileDialog* dialogSave;
@@ -67,6 +69,8 @@ namespace demo
 				GUI_INSTANCE_REFERENCE(commandFileOpenXml);
 				GUI_INSTANCE_REFERENCE(commandFileSave);
 				GUI_INSTANCE_REFERENCE(commandFileSaveAs);
+				GUI_INSTANCE_REFERENCE(dialogCannotOpen);
+				GUI_INSTANCE_REFERENCE(dialogCannotSave);
 				GUI_INSTANCE_REFERENCE(dialogOpen);
 				GUI_INSTANCE_REFERENCE(dialogQueryClose);
 				GUI_INSTANCE_REFERENCE(dialogSave);
@@ -98,6 +102,8 @@ namespace demo
 			,commandFileOpenXml(0)
 			,commandFileSave(0)
 			,commandFileSaveAs(0)
+			,dialogCannotOpen(0)
+			,dialogCannotSave(0)
 			,dialogOpen(0)
 			,dialogQueryClose(0)
 			,dialogSave(0)

Tutorial/GacUI_Controls/TextEditor/UI/Source/MainWindow.cpp

@@ -8,6 +8,8 @@ This file is generated by: Vczh GacUI Resource Code Generator
 
 #include "Demo.h"
 
+using namespace vl::stream;
+
 namespace demo
 {
 	// #region CLASS_MEMBER_GUIEVENT_HANDLER (DO NOT PUT OTHER CONTENT IN THIS #region.)
@@ -18,14 +20,17 @@ namespace demo
 
 	void MainWindow::commandEditCopy_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		textBox->Copy();
 	}
 
 	void MainWindow::commandEditCut_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		textBox->Cut();
 	}
 
 	void MainWindow::commandEditDelete_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		textBox->SetSelectionText(L"");
 	}
 
 	void MainWindow::commandEditFind_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
@@ -34,54 +39,160 @@ namespace demo
 
 	void MainWindow::commandEditPaste_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		textBox->Paste();
 	}
 
 	void MainWindow::commandEditRedo_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		textBox->Redo();
 	}
 
 	void MainWindow::commandEditSelect_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		textBox->SelectAll();
 	}
 
 	void MainWindow::commandEditUndo_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		textBox->Undo();
 	}
 
 	void MainWindow::commandFileExit_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		if (CanCloseFile())
+		{
+			Close();
+		}
 	}
 
 	void MainWindow::commandFileNewText_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		if (CanCloseFile())
+		{
+			textBox->SetText(L"");
+			textBox->ClearUndoRedo();
+			SetupTextConfig();
+		}
 	}
 
 	void MainWindow::commandFileNewXml_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		if (CanCloseFile())
+		{
+			textBox->SetText(L"");
+			textBox->ClearUndoRedo();
+			SetupXmlConfig();
+		}
 	}
 
 	void MainWindow::commandFileOpenText_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		OpenFile(0);
 	}
 
 	void MainWindow::commandFileOpenXml_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		OpenFile(1);
 	}
 
 	void MainWindow::commandFileOpen_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		OpenFile(dialogOpen->GetFilterIndex());
 	}
 
 	void MainWindow::commandFileSaveAs_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		SaveFile(true);
 	}
 
 	void MainWindow::commandFileSave_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments)
 	{
+		SaveFile(false);
 	}
 
 	// #endregion CLASS_MEMBER_GUIEVENT_HANDLER
 
+	bool MainWindow::CanCloseFile()
+	{
+		return true;
+	}
+
+	void MainWindow::OpenFile(vint filterIndex)
+	{
+		if (CanCloseFile())
+		{
+			dialogOpen->SetFilterIndex(filterIndex);
+			if (dialogOpen->ShowDialog())
+			{
+				FileStream fileStream(dialogOpen->GetFileName(), FileStream::ReadOnly);
+				if (fileStream.IsAvailable())
+				{
+					BomDecoder decoder;
+					DecoderStream decoderStream(fileStream, decoder);
+					StreamReader reader(decoderStream);
+					textBox->SetText(reader.ReadToEnd());
+					textBox->Select(TextPos(), TextPos());
+					textBox->SetFocus();
+					textBox->ClearUndoRedo();
+					if (dialogOpen->GetFilterIndex() == 1)
+					{
+						SetupXmlConfig();
+					}
+					else
+					{
+						SetupTextConfig();
+					}
+					fileName = dialogOpen->GetFileName();
+				}
+				else
+				{
+					dialogCannotOpen->ShowDialog();
+				}
+			}
+		}
+	}
+
+	void MainWindow::SaveFile(bool saveAs)
+	{
+		if (saveAs || fileName == L"")
+		{
+			dialogSave->SetFilterIndex(isXml ? 1 : 0);
+			if (dialogSave->ShowDialog())
+			{
+				fileName = dialogSave->GetFileName();
+			}
+			else
+			{
+				return;
+			}
+		}
+
+		FileStream fileStream(fileName, FileStream::WriteOnly);
+		if (fileStream.IsAvailable())
+		{
+			BomEncoder encoder(BomEncoder::Utf16);
+			EncoderStream encoderStream(fileStream, encoder);
+			StreamWriter writer(encoderStream);
+			writer.WriteString(textBox->GetText());
+			textBox->NotifyModificationSaved();
+
+		}
+		else
+		{
+			dialogCannotSave->ShowDialog();
+		}
+	}
+
+	void MainWindow::SetupTextConfig()
+	{
+		isXml = false;
+	}
+
+	void MainWindow::SetupXmlConfig()
+	{
+		isXml = true;
+	}
+
 	MainWindow::MainWindow()
 	{
 		InitializeComponents();

Tutorial/GacUI_Controls/TextEditor/UI/Source/MainWindow.h

@@ -38,6 +38,16 @@ namespace demo
 		void commandFileSaveAs_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments);
 		void commandFileSave_Executed(GuiGraphicsComposition* sender, vl::presentation::compositions::GuiEventArgs& arguments);
 		// #endregion CLASS_MEMBER_GUIEVENT_HANDLER
+
+	private:
+		WString					fileName;
+		bool					isXml = false;
+
+		bool					CanCloseFile();
+		void					OpenFile(vint filterIndex);
+		void					SaveFile(bool saveAs);
+		void					SetupTextConfig();
+		void					SetupXmlConfig();
 	public:
 		MainWindow();
 		~MainWindow();