Re-enable debugger visualizers in debugger

tooltips. Object graph visualizer crashes,
collection and text visualizer seeem to be
working.
Next up is to make object graph vis work.

src/AddIns/Debugger/Debugger.AddIn/Tooltips/VisualizerPicker.cs

@@ -26,23 +26,24 @@ namespace Debugger.AddIn.Tooltips
 			if (this.SelectedItem == null) {
 				return;
 			}
-//			var clickedCommand = this.SelectedItem as IVisualizerCommand;
-//			if (clickedCommand == null) {
-//				throw new InvalidOperationException(
-//					string.Format("{0} clicked, only instances of {1} must be present in {2}.",
-//								  this.SelectedItem.GetType().ToString(), typeof(IVisualizerCommand).Name, typeof(VisualizerPicker).Name));
-//			}
-
-//			clickedCommand.Execute();
+			var clickedCommand = this.SelectedItem as IVisualizerCommand;
+			if (clickedCommand == null) {
+				throw new InvalidOperationException(
+					string.Format("{0} clicked, only instances of {1} must be present in {2}.",
+								  this.SelectedItem.GetType().ToString(), 
+								  typeof(IVisualizerCommand).Name,
+								  typeof(VisualizerPicker).Name));
+			}
+			clickedCommand.Execute();
 			// Make no item selected, so that multiple selections of the same item always execute the command.
 			// This triggers VisualizerPicker_SelectionChanged again, which returns immediately.
 			this.SelectedIndex = -1;
 		}
 
-//		public new IEnumerable<IVisualizerCommand> ItemsSource
-//		{
-//			get { return (IEnumerable<IVisualizerCommand>)base.ItemsSource; }
-//			set { base.ItemsSource = value; }
-//		}
+		public new IEnumerable<IVisualizerCommand> ItemsSource
+		{
+			get { return (IEnumerable<IVisualizerCommand>)base.ItemsSource; }
+			set { base.ItemsSource = value; }
+		}
 	}
 }

src/AddIns/Debugger/Debugger.AddIn/Tooltips/VisualizerPicker.xaml

@@ -51,7 +51,7 @@
 							<Setter TargetName="FaceBorder" Property="Background" Value="White"/>
 							<Setter TargetName="FaceBorder" Property="BorderBrush" Value="#FFE0EDFF"/>
 							<!-- #FFE0EDFF border -->
-							<!--   #FFD9D9E9 fill  -->
+							<!-- #FFD9D9E9 fill -->
 						</Trigger>
 					</ControlTemplate.Triggers>
 				</ControlTemplate>

src/AddIns/Debugger/Debugger.AddIn/TreeModel/TreeNode.cs

@@ -90,9 +90,13 @@ namespace Debugger.AddIn.TreeModel
 			get { return GetChildren != null; }
 		}
 		
-//		public IEnumerable<IVisualizerCommand> VisualizerCommands { get; protected set; }
+		public IEnumerable<IVisualizerCommand> VisualizerCommands { get; protected set; }
 		
-		public bool HasVisualizerCommands { get; protected set; }
+		public bool HasVisualizerCommands { 
+			get {
+				 return (VisualizerCommands != null) && (VisualizerCommands.Count() > 0);
+			}
+		}
 		
 		public TreeNode(string name, Func<IEnumerable<TreeNode>> getChildren)
 		{

src/AddIns/Debugger/Debugger.AddIn/TreeModel/ValueNode.cs

@@ -9,6 +9,7 @@ using System.Linq;
 using System.Text;
 using System.Windows.Forms;
 
+using Debugger.AddIn.Visualizers;
 using Debugger.MetaData;
 using ICSharpCode.Core;
 using ICSharpCode.NRefactory.TypeSystem;
@@ -161,10 +162,10 @@ namespace Debugger.AddIn.TreeModel
 				this.Type = val.Type.Name;
 				
 				if (!val.IsNull) {
-					#warning					this.VisualizerCommands = VisualizerDescriptors.GetAllDescriptors()
-//						.Where(descriptor => descriptor.IsVisualizerAvailable(val.Type))
-//						.Select(descriptor => descriptor.CreateVisualizerCommand(this.Name, this.GetValue))
-//						.ToList();
+					this.VisualizerCommands = VisualizerDescriptors.GetAllDescriptors()
+						.Where(descriptor => descriptor.IsVisualizerAvailable(val.Type))
+						.Select(descriptor => descriptor.CreateVisualizerCommand(this.Name, this.GetValue))
+						.ToList();
 				}
 				
 				LoggingService.InfoFormatted("Evaluated node '{0}' in {1} ms", this.Name, watch.ElapsedMilliseconds);
@@ -174,7 +175,7 @@ namespace Debugger.AddIn.TreeModel
 				this.Value = e.Message;
 				this.Type  = string.Empty;
 				this.GetChildren = null;
-				#warning				this.VisualizerCommands = null;
+				this.VisualizerCommands = null;
 			}
 		}
 		

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

@@ -1,6 +1,7 @@
 // Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
 // This code is distributed under the BSD license (for details please see \src\AddIns\Debugger\Debugger.AddIn\license.txt)
 
+using ICSharpCode.Core;
 using ICSharpCode.NRefactory.TypeSystem;
 using ICSharpCode.SharpDevelop.Debugging;
 using System;

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Common/IVisualizerCommand.cs

@@ -8,7 +8,7 @@ using System.Linq;
 namespace ICSharpCode.SharpDevelop.Debugging
 {
 	/// <summary>
-	/// Command called from <see cref="VisualizerPicker"/>.
+	/// Command called from debugger tooltip's <see cref="VisualizerPicker"/>.
 	/// </summary>
 	public interface IVisualizerCommand
 	{