Debugger visualizers are loaded from AddInTree.

NullReferenceException fix in GenerateCode context action.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@6430 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Debugger/Debugger.AddIn/Debugger.AddIn.addin

@@ -158,4 +158,11 @@
 		<ToolbarItem class="ICSharpCode.SharpDevelop.Gui.Pads.SelectLanguageCommand"
 		             type="ComboBox" id="SelectLanguageCommand" />
 	</Path>
+	
+	<Path name="/SharpDevelop/Services/DebuggerService/Visualizers">
+		<Class class="Debugger.AddIn.Visualizers.TextVisualizerDescriptor" />
+		<Class class="Debugger.AddIn.Visualizers.XmlVisualizerDescriptor" />
+		<Class class="Debugger.AddIn.Visualizers.ObjectGraphVisualizerDescriptor" />
+		<Class class="Debugger.AddIn.Visualizers.GridVisualizerDescriptor" />
+	</Path>
 </AddIn>

src/AddIns/Debugger/Debugger.AddIn/Debugger.AddIn.csproj

@@ -138,7 +138,7 @@
     <Compile Include="TreeModel\DebuggerResourceService.cs" />
     <Compile Include="Visualizers\Commands\ExpressionVisualizerCommand.cs" />
     <Compile Include="Visualizers\Commands\GridVisualizerCommand.cs" />
-    <Compile Include="Visualizers\Commands\IVisualizerCommandDescriptor.cs" />
+    <Compile Include="Visualizers\Commands\IVisualizerDescriptor.cs" />
     <Compile Include="Visualizers\Commands\ObjectGraphVisualizerCommand.cs" />
     <Compile Include="Visualizers\Commands\GridVisualizerMenuCommand.cs" />
     <Compile Include="Visualizers\Commands\ObjectGraphVisualizerMenuCommand.cs" />

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Commands/VisualizerDescriptors.cs

@@ -9,6 +9,7 @@ using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
+using ICSharpCode.Core;
 
 namespace Debugger.AddIn.Visualizers
 {
@@ -17,23 +18,18 @@ namespace Debugger.AddIn.Visualizers
 	/// </summary>
 	public static class VisualizerDescriptors
 	{
-		static ReadOnlyCollection<IVisualizerDescriptor> allDescriptors;
-			
-		static IEnumerable<IVisualizerDescriptor> CreateAllDescriptors()
+		static IList<IVisualizerDescriptor> CreateAllDescriptors()
 		{
-			// these should be obtained from AddIn tree so that it is possible to write add-in for Debugger.AddIn with new visualizers
-			yield return new TextVisualizerDescriptor();
-			yield return new XmlVisualizerDescriptor();
-			yield return new ObjectGraphVisualizerDescriptor();
-			yield return new GridVisualizerDescriptor();
+			return AddInTree.BuildItems<IVisualizerDescriptor>("/SharpDevelop/Services/DebuggerService/Visualizers", null);
 		}
 		
+		static ReadOnlyCollection<IVisualizerDescriptor> descriptors;
 		public static ReadOnlyCollection<IVisualizerDescriptor> GetAllDescriptors()
 		{
-			if (allDescriptors == null) {
-				allDescriptors = CreateAllDescriptors().ToList().AsReadOnly();
+			if (descriptors == null) {
+				descriptors = CreateAllDescriptors().ToList().AsReadOnly();
 			}
-			return allDescriptors;
+			return descriptors;
 		}
 	}
 }

src/AddIns/Misc/SharpRefactoring/Project/Src/GenerateCode.cs

@@ -44,7 +44,7 @@ namespace SharpRefactoring
 				} catch (FormatException) {
 				}
 				
-				if (unknownMethodCall.Target.IsUserCode()) {
+				if (unknownMethodCall.Target != null && unknownMethodCall.Target.IsUserCode()) {
 					// Don't introduce method on non-modyfiable types
 					return new IntroduceMethodContextAction(unknownMethodCall, expression, context.Editor) {
 						Title = title

src/Main/Base/Project/Src/Services/RefactoringService/ContextActions/ContextActionsBulbControl.xaml

@@ -236,7 +236,7 @@
 								<DataTemplate>
 									<DockPanel HorizontalAlignment="Stretch" LastChildFill="True">
 										<Image Source="{Binding Image}" Margin="3 2 4 2" DockPanel.Dock="Left" />
-										<!-- Command of every checkbox is the command on the main DataContext (ContextActionsBulbViewModel) -->
+										<!-- Command of every checkbox points to the command on the main DataContext (ContextActionsBulbViewModel) -->
 										<CheckBox IsChecked="{Binding IsVisible}" VerticalAlignment="Center" DockPanel.Dock="Right"
 										          Command="{Binding Path=DataContext.ActionVisibleChangedCommand,
 										          RelativeSource={RelativeSource AncestorType={x:Type local:ContextActionsBulbControl}}}"