Object graph member icons. Object graph supports IEnumerable, and fixed a cast bug in IList. TODO release PermanentReferences for collections.

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Graph/Drawing/PositionedGraphNodeControl.xaml

@@ -57,7 +57,7 @@
                 	    <!-- Databound item is ContentNode -->
                         <GridView.Columns>
                         	<!-- Expand button (either property or nested) -->
-                            <GridViewColumn Header="Plus" Width="20">
+                            <GridViewColumn Header="Plus" Width="20" x:Name="columnExpander">
                                 <GridViewColumn.CellTemplate>
                                     <DataTemplate>
                                         <StackPanel Margin="0 2 0 0">
@@ -78,18 +78,16 @@
                                     </DataTemplate>
                                 </GridViewColumn.CellTemplate>
                             </GridViewColumn>
-                        	<!-- Icon - didn't add much value -->
-                        	<!--  
-                        	<GridViewColumn Header="Icon" Width="10">
+                        	<!-- Icon -->
+                        	<GridViewColumn Header="Icon" Width="10" x:Name="columnMemberIcon" >
                                 <GridViewColumn.CellTemplate>
                                 	<DataTemplate>
-                        				<Image Width="10" Height="10" Source="{Binding MemberIcon}"></Image>
+                        				<Image Width="10" Height="10" Source="{Binding MemberIcon}" Margin="-6 0"></Image>
 									</DataTemplate>
                                 </GridViewColumn.CellTemplate>
                         	</GridViewColumn>
-							-->
                         	<!-- Name -->
-                            <GridViewColumn Header="Name" Width="60">
+                            <GridViewColumn Header="Name" Width="60" x:Name="columnName">
                                 <GridViewColumn.CellTemplate>
                                     <DataTemplate>
                                     	<StackPanel Orientation="Horizontal">
@@ -99,7 +97,7 @@
                                 </GridViewColumn.CellTemplate>
                             </GridViewColumn>
                         	 <!-- Text -->
-                            <GridViewColumn Header="Value" Width="60" CellTemplate="{StaticResource valueColumnTemplate}">
+                            <GridViewColumn Header="Value" Width="60" CellTemplate="{StaticResource valueColumnTemplate}" x:Name="columnText">
                             </GridViewColumn>
                         </GridView.Columns>
                     </GridView>

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Graph/Drawing/PositionedGraphNodeControl.xaml.cs

@@ -26,6 +26,8 @@ namespace Debugger.AddIn.Visualizers.Graph.Drawing
 	/// </summary>
 	public partial class PositionedGraphNodeControl : UserControl
 	{
+		public static readonly bool IsShowMemberIcon = true;
+		
 		/// <summary>
 		/// Occurs when <see cref="PositionedNodeProperty"/> is expanded.
 		/// </summary>
@@ -73,11 +75,15 @@ namespace Debugger.AddIn.Visualizers.Graph.Drawing
 		
 		public void CalculateWidthHeight()
 		{
+			if (!IsShowMemberIcon) {
+				columnMemberIcon.Width = 0;
+			}
+			
 			int nameColumnMaxLen = this.items.MaxOrDefault(contentNode => contentNode.Name.Length, 0);
 			GridView gv = listView.View as GridView;
-			gv.Columns[1].Width = Math.Min(20 + nameColumnMaxLen * 6, 260);
-			gv.Columns[2].Width = 80;
-			listView.Width = gv.Columns[0].Width + gv.Columns[1].Width + gv.Columns[2].Width + 10;
+			columnName.Width = Math.Min(20 + nameColumnMaxLen * 6, 260);
+			columnText.Width = 80;
+			listView.Width = columnExpander.Width + columnMemberIcon.Width + columnName.Width + columnText.Width + 10;
 			
 			int maxItems = 10;
 			listView.Height = 4 + Math.Min(this.items.Count, maxItems) * 20;

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Graph/Layout/TreeModel/ContentNode.cs

@@ -26,8 +26,10 @@ namespace Debugger.AddIn.Visualizers.Graph.Layout
 			this.parent = parent;
 		}
 		
-		// Icon next to the name - didn't add much value
-		//public ImageSource MemberIcon { get; set; }
+		/// <summary>
+		/// Icon next to the name - didn't add much value
+		/// </summary>
+		public ImageSource MemberIcon { get; set; }
 		
 		/// <summary>
 		/// Path to this content node in the whole <see cref="PositionedGraph"></see>.

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Graph/Layout/TreeModel/ContentPropertyNode.cs

@@ -4,6 +4,7 @@
 using System;
 using System.ComponentModel;
 using Debugger.AddIn.TreeModel;
+using Debugger.AddIn.Visualizers.Graph.Drawing;
 using Debugger.MetaData;
 
 namespace Debugger.AddIn.Visualizers.Graph.Layout
@@ -65,11 +66,22 @@ namespace Debugger.AddIn.Visualizers.Graph.Layout
 			this.Property = new PositionedNodeProperty(
 				sourcePropertyNode.Property, this.ContainingNode,
 				expanded.Expressions.IsExpanded(sourcePropertyNode.Property.Expression));
+			if (PositionedGraphNodeControl.IsShowMemberIcon) {
+				EvalMemberIcon();
+			}
+		}
 		
-			// Icon next to the name - didn't add much value
-			/*string imageName;
-			var image = ExpressionNode.GetImageForMember((IDebugMemberInfo)sourcePropertyNode.Property.PropInfo, out imageName);
-			this.MemberIcon = image.ImageSource;*/
+		void EvalMemberIcon()
+		{
+			// should never be null, just to be sure
+			if ((this.Property != null) && (this.Property.ObjectGraphProperty != null)) {
+				var memberInfo = (IDebugMemberInfo)this.Property.ObjectGraphProperty.MemberInfo;
+				if (memberInfo != null) {
+					string imageName;
+					var image = ExpressionNode.GetImageForMember(memberInfo, out imageName);
+					this.MemberIcon = image.ImageSource;
+				}
+			}
 		}
 	}
 }

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Graph/ObjectGraph/ObjectGraphBuilder.cs

@@ -4,6 +4,8 @@
 using System;
 using System.Collections.Generic;
 using System.Reflection;
+
+using Debugger.AddIn.TreeModel;
 using Debugger.AddIn.Visualizers.Common;
 using Debugger.AddIn.Visualizers.Utils;
 using Debugger.MetaData;
@@ -146,15 +148,18 @@ namespace Debugger.AddIn.Visualizers.Graph
 			thisNode.Content = new ThisNode();
 			ThisNode contentRoot = thisNode.Content;
 			
-			DebugType iListType;
-			DebugType listItemType;
-			if (thisNode.PermanentReference.Type.ResolveIListImplementation(out iListType, out listItemType))
+			DebugType collectionType;
+			DebugType itemType;
+			if (thisNode.PermanentReference.Type.ResolveIListImplementation(out collectionType, out itemType))
 			{
 				// it is an IList
-				loadNodeCollectionContent(contentRoot, thisNode.Expression, iListType);
-			}
-			else
-			{
+				loadNodeCollectionContent(contentRoot, thisNode.Expression, collectionType);
+			} else if (thisNode.PermanentReference.Type.ResolveIEnumerableImplementation(out collectionType, out itemType)) {
+				// it is an IEnumerable
+				DebugType debugListType;
+				var debugListExpression = DebuggerHelpers.CreateDebugListExpression(thisNode.Expression, itemType, out debugListType);
+				loadNodeCollectionContent(contentRoot, debugListExpression, debugListType);
+			} else {
 				// it is an object
 				loadNodeObjectContent(contentRoot, thisNode.Expression, thisNode.PermanentReference.Type);
 			}
@@ -162,6 +167,7 @@ namespace Debugger.AddIn.Visualizers.Graph
 		
 		private void loadNodeCollectionContent(AbstractNode node, Expression thisObject, DebugType iListType)
 		{
+			thisObject = thisObject.CastToIList();
 			int listCount = getIListCount(thisObject, iListType);
 			
 			for (int i = 0; i < listCount; i++)

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Utils/DebuggerHelpers.cs

@@ -30,7 +30,7 @@ namespace Debugger.AddIn.Visualizers.Utils
 			var iEnumerableType = DebugType.CreateFromType(itemType.AppDomain, typeof(IEnumerable<>), itemType);
 			// explicitely cast the variable to IEnumerable<T>, where T is itemType
 			Expression iEnumerableVariableExplicitCast = new CastExpression(iEnumerableType.GetTypeReference() , iEnumerableVariable, CastType.Cast);
-			return new ObjectCreateExpression(listType.GetTypeReference(), iEnumerableVariableExplicitCast.ToList());
+			return new ObjectCreateExpression(listType.GetTypeReference(), iEnumerableVariableExplicitCast.SingleItemList());
 		}
 		
 		/// <summary>

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Utils/ListHelper.cs

@@ -25,7 +25,7 @@ namespace Debugger.AddIn.Visualizers.Utils
 			return list;
 		}
 		
-		public static List<T> ToList<T>(this T singleItem)
+		public static List<T> SingleItemList<T>(this T singleItem)
 		{
 			var newList = new List<T>();
 			newList.Add(singleItem);