Open Collection Editor from PropertyGrid for Properties which implement ICollection

(Resources, Children, Items, ...)

Author: jogibear9988

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

@@ -163,6 +163,8 @@ public static void Register()
 			Metadata.AddPopularProperty(typeof(Binding), "ElementName");
 			Metadata.AddPopularProperty(typeof(Binding), "Converter");
 			Metadata.AddPopularProperty(typeof(Binding), "XPath");
+			
+			Metadata.AddPopularProperty(typeof(ItemsControl), "Items");
 
 			Metadata.AddValueRange(Block.LineHeightProperty, double.Epsilon, double.MaxValue);
 			Metadata.AddValueRange(Canvas.BottomProperty, double.MinValue, double.MaxValue);
@@ -219,7 +221,7 @@ public static void Register()
 
 			Metadata.HideProperty(typeof(UIElement), "RenderSize");
 			Metadata.HideProperty(FrameworkElement.NameProperty);
-			Metadata.HideProperty(typeof(FrameworkElement), "Resources");
+			//Metadata.HideProperty(typeof(FrameworkElement), "Resources");
 			Metadata.HideProperty(typeof(Window), "Owner");
 
 			//Metadata.DisablePlacement(typeof(Button));

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/PropertyGrid/Editors/BoolEditor.xaml

@@ -3,5 +3,6 @@
     xmlns="http://schemas.microsoft.com/netfx/2007/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     IsChecked="{Binding Value}"
+    Focusable="False"
     >	
 </CheckBox>

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/PropertyGrid/Editors/FlatCollectionEditor.xaml.cs

@@ -57,18 +57,28 @@ public FlatCollectionEditor()
 			this.Owner = Application.Current.MainWindow;
 		}
 
+		public Type GetItemsSourceType(Type t)
+		{
+			Type tp = t.GetInterfaces().FirstOrDefault(x => x.IsGenericType && x.GetGenericTypeDefinition() == typeof(ICollection<>));
+
+			return (tp != null ) ? tp.GetGenericArguments()[0] : null;
+		}
+		
 		public void LoadItemsCollection(DesignItemProperty itemProperty)
 		{
 			_itemProperty = itemProperty;
 			_componentService=_itemProperty.DesignItem.Services.Component;
 			TypeMappings.TryGetValue(_itemProperty.ReturnType, out _type);
+			
+			_type = _type ?? GetItemsSourceType(_itemProperty.ReturnType);
+			
 			if (_type == null) {
-				PropertyGridView.IsEnabled=false;
-				ListBox.IsEnabled=false;
+				//PropertyGridView.IsEnabled=false;
+				//ListBox.IsEnabled=false;
 				AddItem.IsEnabled=false;
-				RemoveItem.IsEnabled=false;
-				MoveUpItem.IsEnabled=false;
-				MoveDownItem.IsEnabled=false;
+				//RemoveItem.IsEnabled=false;
+				//MoveUpItem.IsEnabled=false;
+				//MoveDownItem.IsEnabled=false;
 			}
 
 			ListBox.ItemsSource = _itemProperty.CollectionElements;

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/PropertyGrid/Editors/OpenCollectionEditor.xaml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<UserControl
+	x:Class="ICSharpCode.WpfDesign.Designer.PropertyGrid.Editors.OpenCollectionEditor" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+	<Grid>
+		<TextBlock
+			Margin="0,0,20,0"
+			Text="{Binding Value}" VerticalAlignment="Center" />
+		<Button
+			Width="15"
+			Margin="0,0,1,0"
+			HorizontalAlignment="Right"
+			VerticalAlignment="Stretch"
+			Content="..."
+			Focusable="False"
+			Click="open_Click" />
+	</Grid>
+</UserControl>

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/PropertyGrid/Editors/OpenCollectionEditor.xaml.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+using ICSharpCode.WpfDesign.PropertyGrid;
+//using Xceed.Wpf.Toolkit;
+
+namespace ICSharpCode.WpfDesign.Designer.PropertyGrid.Editors
+{
+	[TypeEditor(typeof(ICollection))]
+	public partial class OpenCollectionEditor : UserControl
+	{
+		public OpenCollectionEditor()
+		{
+			InitializeComponent();
+		}
+		
+		void open_Click(object sender, RoutedEventArgs e)
+		{
+			var node = this.DataContext as PropertyNode;
+			
+			var editor = new FlatCollectionEditor();
+			editor.LoadItemsCollection(node.FirstProperty);
+			editor.ShowDialog();
+		}
+	}
+}

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/WpfDesign.Designer.csproj

@@ -93,6 +93,9 @@
       <DependentUpon>FlatCollectionEditor.xaml</DependentUpon>
       <SubType>Code</SubType>
     </Compile>
+    <Compile Include="PropertyGrid\Editors\OpenCollectionEditor.xaml.cs">
+      <DependentUpon>OpenCollectionEditor.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Translations.cs" />
     <Compile Include="Configuration\AssemblyInfo.cs" />
     <Compile Include="Controls\AdornerLayer.cs" />
@@ -252,6 +255,7 @@
   <ItemGroup>
     <Page Include="Extensions\RightClickContextMenu.xaml" />
     <Page Include="PropertyGrid\Editors\FlatCollectionEditor.xaml" />
+    <Page Include="PropertyGrid\Editors\OpenCollectionEditor.xaml" />
     <Page Include="ThumbnailView\ThumbnailView.xaml" />
     <ProjectReference Include="..\..\..\..\..\Main\ICSharpCode.SharpDevelop.Widgets\Project\ICSharpCode.SharpDevelop.Widgets.csproj">
       <Project>{8035765F-D51F-4A0C-A746-2FD100E19419}</Project>

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

@@ -51,6 +51,13 @@ public static FrameworkElement CreateEditor(DesignItemProperty property)
 					}
 					type = type.BaseType;
 				}
+				
+				foreach (var t in typeEditors) {
+					if (t.Key.IsAssignableFrom(property.ReturnType)) {
+						return (FrameworkElement)Activator.CreateInstance(t.Value);
+					}
+				}
+				
 				if (editorType == null) {
 					var standardValues = Metadata.GetStandardValues(property.ReturnType);
 					if (standardValues != null) {

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

@@ -17,6 +17,7 @@
 // DEALINGS IN THE SOFTWARE.
 
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -93,7 +94,7 @@ public static IEnumerable<PropertyDescriptor> GetAvailableProperties(object elem
 				foreach (PropertyDescriptor p in TypeDescriptor.GetProperties(element))
 				{
 					if (!p.IsBrowsable) continue;
-					if (p.IsReadOnly) continue;
+					if (p.IsReadOnly  && !typeof(ICollection).IsAssignableFrom(p.PropertyType)) continue;
 					if (hiddenPropertiesOnWindow.Contains(p.Name)) continue;
 					if (p.Attributes.OfType<ObsoleteAttribute>().Count() != 0) continue;
 					yield return p;
@@ -103,7 +104,7 @@ public static IEnumerable<PropertyDescriptor> GetAvailableProperties(object elem
 			{
 				foreach(PropertyDescriptor p in TypeDescriptor.GetProperties(element)){
 					if (!p.IsBrowsable) continue;
-					if (p.IsReadOnly) continue;
+					if (p.IsReadOnly  && !typeof(ICollection).IsAssignableFrom(p.PropertyType)) continue;
 					if (p.Attributes.OfType<ObsoleteAttribute>().Count()!=0) continue;
 					yield return p;
 				}