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Src/Xceed.Wpf.Toolkit/PropertyGrid/Implementation/PropertyItemsControl.cs

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+/*************************************************************************************
+
+   Extended WPF Toolkit
+
+   Copyright (C) 2007-2013 Xceed Software Inc.
+
+   This program is provided to you under the terms of the Microsoft Public
+   License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license 
+
+   For more features, controls, and fast professional support,
+   pick up the Plus Edition at http://xceed.com/wpf_toolkit
+
+   Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
+
+  ***********************************************************************************/
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows.Controls;
+using System.Windows;
+
+namespace Xceed.Wpf.Toolkit.PropertyGrid
+{
+  /// <summary>
+  /// This Control is intended to be used in the template of the 
+  /// PropertyItemBase and PropertyGrid classes to contain the
+  /// sub-children properties.
+  /// </summary>
+  public class PropertyItemsControl : ItemsControl
+  {
+
+    #region PreparePropertyItemEvent Attached Routed Event
+
+    internal static readonly RoutedEvent PreparePropertyItemEvent = EventManager.RegisterRoutedEvent( "PreparePropertyItem", RoutingStrategy.Bubble, typeof( PropertyItemEventHandler ), typeof( PropertyItemsControl ) );
+    internal event PropertyItemEventHandler PreparePropertyItem
+    {
+      add
+      {
+        AddHandler( PropertyItemsControl.PreparePropertyItemEvent, value );
+      }
+      remove
+      {
+        RemoveHandler( PropertyItemsControl.PreparePropertyItemEvent, value );
+      }
+    }
+
+    private void RaisePreparePropertyItemEvent( PropertyItemBase propertyItem, object item )
+    {
+      this.RaiseEvent( new PropertyItemEventArgs( PropertyItemsControl.PreparePropertyItemEvent, this, propertyItem, item ) );
+    }
+
+    #endregion
+
+    #region ClearPropertyItemEvent Attached Routed Event
+
+    internal static readonly RoutedEvent ClearPropertyItemEvent = EventManager.RegisterRoutedEvent( "ClearPropertyItem", RoutingStrategy.Bubble, typeof( PropertyItemEventHandler ), typeof( PropertyItemsControl ) );
+    internal event PropertyItemEventHandler ClearPropertyItem
+    {
+      add
+      {
+        AddHandler( PropertyItemsControl.ClearPropertyItemEvent, value );
+      }
+      remove
+      {
+        RemoveHandler( PropertyItemsControl.ClearPropertyItemEvent, value );
+      }
+    }
+
+    private void RaiseClearPropertyItemEvent( PropertyItemBase propertyItem, object item )
+    {
+      this.RaiseEvent( new PropertyItemEventArgs( PropertyItemsControl.ClearPropertyItemEvent, this, propertyItem, item ) );
+    }
+
+    #endregion
+
+    protected override bool IsItemItsOwnContainerOverride( object item )
+    {
+      return ( item is PropertyItemBase );
+    }
+
+
+    protected override void PrepareContainerForItemOverride( DependencyObject element, object item )
+    {
+      base.PrepareContainerForItemOverride( element, item );
+      this.RaisePreparePropertyItemEvent( ( PropertyItemBase )element, item );
+    }
+
+    protected override void ClearContainerForItemOverride( DependencyObject element, object item )
+    {
+      this.RaiseClearPropertyItemEvent( ( PropertyItemBase )element, item );
+      base.ClearContainerForItemOverride( element, item );
+    }
+  }
+}