Support editing attached properties in the property grid.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/wpfdesigner@5989 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/PropertyGrid/PropertyGrid.cs

@@ -27,16 +27,18 @@ namespace ICSharpCode.WpfDesign.Designer.PropertyGrid
 		{
 			Categories = new ObservableCollection<Category>(new [] {
 				specialCategory, 
-				popularCategory, 
-				otherCategory
+				popularCategory, 				
+				otherCategory,
+				attachedCategory
 			});
 
 			Events = new PropertyNodeCollection();
 		}
 
 		Category specialCategory = new Category("Special");
-		Category popularCategory = new Category("Popular");
+		Category popularCategory = new Category("Popular");		
 		Category otherCategory = new Category("Other");
+		Category attachedCategory = new Category("Attached");
 
 		Dictionary<MemberDescriptor, PropertyNode> nodeFromDescriptor = new Dictionary<MemberDescriptor, PropertyNode>();
 
@@ -192,14 +194,14 @@ namespace ICSharpCode.WpfDesign.Designer.PropertyGrid
 			List<MemberDescriptor> list = new List<MemberDescriptor>();
 
 			if (SelectedItems.Count() == 1) {
-				foreach (MemberDescriptor d in TypeHelper.GetAvailableProperties(SingleItem.ComponentType)) {
+				foreach (MemberDescriptor d in TypeHelper.GetAvailableProperties(SingleItem.Component)) {
 					list.Add(d);
 				}
 				foreach (MemberDescriptor d in TypeHelper.GetAvailableEvents(SingleItem.ComponentType)) {
 					list.Add(d);
 				}
 			} else {
-				foreach (MemberDescriptor d in TypeHelper.GetCommonAvailableProperties(SelectedItems.Select(t => t.ComponentType))) {
+				foreach (MemberDescriptor d in TypeHelper.GetCommonAvailableProperties(SelectedItems.Select(t => t.Component))) {
 					list.Add(d);
 				}
 			}
@@ -248,6 +250,7 @@ namespace ICSharpCode.WpfDesign.Designer.PropertyGrid
 		Category PickCategory(PropertyNode node)
 		{
 			if (Metadata.IsPopularProperty(node.FirstProperty)) return popularCategory;
+			if (node.FirstProperty.Name.Contains(".")) return attachedCategory;
 			var typeName = node.FirstProperty.DeclaringType.FullName;
 			if (typeName.StartsWith("System.Windows.") || typeName.StartsWith("ICSharpCode.WpfDesign.Designer.Controls."))
 				return otherCategory;

src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/PropertyGrid/PropertyNode.cs

@@ -368,7 +368,7 @@ namespace ICSharpCode.WpfDesign.PropertyGrid
 
 			if (Parent == null || Parent.IsExpanded) {
 				if (ValueItem != null) {
-					var list = TypeHelper.GetAvailableProperties(ValueItem.ComponentType)
+					var list = TypeHelper.GetAvailableProperties(ValueItem.Component)
 						.OrderBy(d => d.Name)
 						.Select(d => new PropertyNode(new[] { ValueItem.Properties[d.Name] }, this));
 

src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/PropertyGrid/TypeHelper.cs

@@ -67,5 +67,52 @@ namespace ICSharpCode.WpfDesign.PropertyGrid
 				yield return e;
 			}
 		}
+		
+		/// <summary>
+		/// Gets available properties for an object, includes attached properties also.
+		/// </summary>		
+		public static IEnumerable<PropertyDescriptor> GetAvailableProperties(object element)
+		{
+			foreach(PropertyDescriptor p in TypeDescriptor.GetProperties(element)){
+				if (!p.IsBrowsable) continue;
+				if (p.IsReadOnly) continue;
+				yield return p;
+			}
+		}
+		
+		/// <summary>
+		/// Gets common properties between <paramref name="elements"/>. Includes attached properties too.
+		/// </summary>
+		/// <param name="elements"></param>
+		/// <returns></returns>
+		public static IEnumerable<PropertyDescriptor> GetCommonAvailableProperties(IEnumerable<object> elements)
+		{
+			foreach (var pd1 in GetAvailableProperties(elements.First())) {
+				bool propertyOk = true;
+				foreach (var element in elements.Skip(1)) {
+					bool typeOk = false;
+					foreach (var pd2 in GetAvailableProperties(element)) {
+						if (pd1 == pd2) {
+							typeOk = true;
+							break;
+						}
+						
+						/* Check if it is attached property.*/
+						if(pd1.Name.Contains(".") && pd2.Name.Contains(".")){
+						   	if(pd1.Name==pd2.Name){
+						   		typeOk=true;
+						   		break;
+						   	}		
+						   }
+					}
+					if (!typeOk) {
+						propertyOk = false;
+						break;
+					}
+				}
+				if (propertyOk) yield return pd1;
+			}
+		}
+		
 	}
 }