Added SharpDevelopElementHost for hosting WPF controls as ViewContents

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@3911 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/ICSharpCode.Core.Presentation/ICSharpCode.Core.Presentation.csproj

@@ -52,10 +52,12 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Drawing" />
+    <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
     <Reference Include="WindowsBase">
       <RequiredTargetFramework>3.0</RequiredTargetFramework>
     </Reference>
+    <Reference Include="WindowsFormsIntegration" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\GlobalAssemblyInfo.cs">
@@ -74,6 +76,7 @@
     <Compile Include="PixelSnapper.cs" />
     <Compile Include="PresentationResourceService.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="SharpDevelopElementHost.cs" />
     <Compile Include="SplitButton.cs" />
     <Compile Include="ToolBar\ToolBarButton.cs" />
     <Compile Include="ToolBar\ToolBarComboBox.cs" />
@@ -81,6 +84,11 @@
     <Compile Include="ToolBar\ToolBarSplitButton.cs" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\Base\Project\ICSharpCode.SharpDevelop.csproj">
+      <Project>{2748AD25-9C63-4E12-877B-4DCE96FBED54}</Project>
+      <Name>ICSharpCode.SharpDevelop</Name>
+      <Private>False</Private>
+    </ProjectReference>
     <ProjectReference Include="..\Core\Project\ICSharpCode.Core.csproj">
       <Project>{35CEF10F-2D4C-45F2-9DD1-161E0FEC583C}</Project>
       <Name>ICSharpCode.Core</Name>

src/Main/ICSharpCode.Core.Presentation/SharpDevelopElementHost.cs

@@ -0,0 +1,110 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <author name="Daniel Grunwald"/>
+//     <version>$Revision: 3499 $</version>
+// </file>
+
+using System;
+using System.Windows;
+using System.Windows.Forms.Integration;
+using System.Windows.Input;
+using System.Windows.Threading;
+using ICSharpCode.SharpDevelop.Gui;
+
+namespace ICSharpCode.Core.Presentation
+{
+	/// <summary>
+	/// Hosts a WPF element inside a Windows.Forms application.
+	/// </summary>
+	// TODO : maybe move this class to ICSharpCode.SharpDevelop as it requires it as a reference
+	public class SharpDevelopElementHost : ElementHost, IUndoHandler, IClipboardHandler
+	{		
+		public SharpDevelopElementHost(UIElement child)
+		{
+			this.Child = child;
+		}
+		
+		bool IsEnabled(RoutedCommand command)
+		{
+			if (command.CanExecute(null, null))
+				return true;
+			else if (this.Child != null)
+				return command.CanExecute(null, FocusManager.GetFocusedElement(FocusManager.GetFocusScope(this.Child)));
+			else
+				return false;
+		}
+		
+		void Run(RoutedCommand command)
+		{
+			if (command.CanExecute(null, null)) {
+				command.Execute(null, null);
+			} else if (this.Child != null) {
+				command.Execute(null, FocusManager.GetFocusedElement(FocusManager.GetFocusScope(this.Child)));
+			}
+		}
+		
+		public bool EnableUndo {
+			get { return IsEnabled(ApplicationCommands.Undo); }
+		}
+		
+		public bool EnableRedo {
+			get { return IsEnabled(ApplicationCommands.Redo); }
+		}
+		
+		public void Undo()
+		{
+			Run(ApplicationCommands.Undo);
+		}
+		
+		public void Redo()
+		{
+			Run(ApplicationCommands.Redo);
+		}
+		
+		public bool EnableCut {
+			get { return IsEnabled(ApplicationCommands.Undo); }
+		}
+		
+		public bool EnableCopy {
+			get { return IsEnabled(ApplicationCommands.Copy); }
+		}
+		
+		public bool EnablePaste {
+			get { return IsEnabled(ApplicationCommands.Paste); }
+		}
+		
+		public bool EnableDelete {
+			get { return IsEnabled(ApplicationCommands.Delete); }
+		}
+		
+		public bool EnableSelectAll {
+			get { return IsEnabled(ApplicationCommands.SelectAll); }
+		}
+		
+		public void Cut()
+		{
+			Run(ApplicationCommands.Cut);
+		}
+		
+		public void Copy()
+		{
+			Run(ApplicationCommands.Copy);
+		}
+		
+		public void Paste()
+		{
+			Run(ApplicationCommands.Paste);
+		}
+		
+		public void Delete()
+		{
+			Run(ApplicationCommands.Delete);
+		}
+		
+		public void SelectAll()
+		{
+			Run(ApplicationCommands.SelectAll);
+		}
+	}
+}