1 files changed, 67 insertions, 0 deletions
diff --git a/source/ShiftUI/Internal/RelatedPropertyManager.cs b/source/ShiftUI/Internal/RelatedPropertyManager.cs
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+++ b/source/ShiftUI/Internal/RelatedPropertyManager.cs
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+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// Copyright (c) 2006 Novell, Inc.
+//
+// Authors:
+//	Chris Toshok	<[email protected]>
+
+using System;
+using System.Collections;
+using System.ComponentModel;
+
+namespace ShiftUI {
+
+	internal class RelatedPropertyManager : PropertyManager {
+
+		BindingManagerBase parent;
+
+		public RelatedPropertyManager (BindingManagerBase parent, string property_name)
+		{
+			this.parent = parent;
+			this.property_name = property_name;
+
+			if (parent.Position != -1)
+				SetDataSource (parent.Current);
+			parent.PositionChanged += new EventHandler (parent_PositionChanged);
+		}
+
+		void parent_PositionChanged (object sender, EventArgs args)
+		{
+			if (parent.Position == -1) {
+				SetDataSource (null);
+			}
+			else {
+				SetDataSource (parent.Current);
+			}
+
+			OnCurrentChanged (EventArgs.Empty);
+		}
+
+		public override PropertyDescriptorCollection GetItemProperties ()
+		{
+			PropertyDescriptor property = parent.GetItemProperties ().Find (property_name, true);
+
+			// We can't just pass property.PropertyType, since the actual object could implement
+			// more elements and not only those described in the property type
+			return TypeDescriptor.GetProperties (property.GetValue (parent.Current));
+		}
+	}
+}
+