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109 lines
3.9 KiB
109 lines
3.9 KiB
/*************************************************************************************
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Extended WPF Toolkit
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Copyright (C) 2007-2013 Xceed Software Inc.
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This program is provided to you under the terms of the Microsoft Public
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License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license
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For more features, controls, and fast professional support,
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pick up the Plus Edition at http://xceed.com/wpf_toolkit
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Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
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***********************************************************************************/
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using System;
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using System.Windows.Controls;
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using System.Windows;
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using System.ComponentModel;
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namespace Xceed.Wpf.Toolkit.PropertyGrid
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{
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/// <summary>
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/// This Control is intended to be used in the template of the
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/// PropertyItemBase and PropertyGrid classes to contain the
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/// sub-children properties.
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/// </summary>
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public class PropertyItemsControl : ItemsControl
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{
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public PropertyItemsControl()
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{
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var propertyItemsControlProperties = TypeDescriptor.GetProperties( this, new Attribute[] { new PropertyFilterAttribute( PropertyFilterOptions.All ) } );
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var prop1 = propertyItemsControlProperties.Find( "VirtualizingPanel.IsVirtualizingWhenGrouping", false );
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if( prop1 != null )
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{
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prop1.SetValue( this, true );
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}
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var prop2 = propertyItemsControlProperties.Find( "VirtualizingPanel.CacheLengthUnit", false );
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if( prop2 != null )
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{
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prop2.SetValue( this, Enum.ToObject( prop2.PropertyType, 1 ) );
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}
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}
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#region PreparePropertyItemEvent Attached Routed Event
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internal static readonly RoutedEvent PreparePropertyItemEvent = EventManager.RegisterRoutedEvent( "PreparePropertyItem", RoutingStrategy.Bubble, typeof( PropertyItemEventHandler ), typeof( PropertyItemsControl ) );
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internal event PropertyItemEventHandler PreparePropertyItem
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{
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add
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{
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AddHandler( PropertyItemsControl.PreparePropertyItemEvent, value );
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}
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remove
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{
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RemoveHandler( PropertyItemsControl.PreparePropertyItemEvent, value );
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}
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}
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private void RaisePreparePropertyItemEvent( PropertyItemBase propertyItem, object item )
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{
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this.RaiseEvent( new PropertyItemEventArgs( PropertyItemsControl.PreparePropertyItemEvent, this, propertyItem, item ) );
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}
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#endregion
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#region ClearPropertyItemEvent Attached Routed Event
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internal static readonly RoutedEvent ClearPropertyItemEvent = EventManager.RegisterRoutedEvent( "ClearPropertyItem", RoutingStrategy.Bubble, typeof( PropertyItemEventHandler ), typeof( PropertyItemsControl ) );
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internal event PropertyItemEventHandler ClearPropertyItem
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{
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add
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{
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AddHandler( PropertyItemsControl.ClearPropertyItemEvent, value );
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}
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remove
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{
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RemoveHandler( PropertyItemsControl.ClearPropertyItemEvent, value );
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}
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}
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private void RaiseClearPropertyItemEvent( PropertyItemBase propertyItem, object item )
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{
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this.RaiseEvent( new PropertyItemEventArgs( PropertyItemsControl.ClearPropertyItemEvent, this, propertyItem, item ) );
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}
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#endregion
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protected override bool IsItemItsOwnContainerOverride( object item )
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{
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return ( item is PropertyItemBase );
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}
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protected override void PrepareContainerForItemOverride( DependencyObject element, object item )
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{
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base.PrepareContainerForItemOverride( element, item );
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this.RaisePreparePropertyItemEvent( ( PropertyItemBase )element, item );
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}
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protected override void ClearContainerForItemOverride( DependencyObject element, object item )
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{
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this.RaiseClearPropertyItemEvent( ( PropertyItemBase )element, item );
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base.ClearContainerForItemOverride( element, item );
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}
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}
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}
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