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82 lines
3.3 KiB
82 lines
3.3 KiB
/************************************************************************
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Extended WPF Toolkit
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Copyright (C) 2010-2012 Xceed Software Inc.
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This program is provided to you under the terms of the Microsoft Reciprocal
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License (Ms-RL) as published at http://wpftoolkit.codeplex.com/license
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This program can be provided to you by Xceed Software Inc. under a
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proprietary commercial license agreement for use in non-Open Source
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projects. The commercial version of Extended WPF Toolkit also includes
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priority technical support, commercial updates, and many additional
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useful WPF controls if you license Xceed Business Suite for WPF.
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Visit http://xceed.com and follow @datagrid on Twitter.
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**********************************************************************/
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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namespace Samples.Infrastructure.Commands
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{
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public class TreeViewSelected
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{
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private static readonly DependencyProperty SelectedCommandBehaviorProperty = DependencyProperty.RegisterAttached( "SelectedCommandBehavior", typeof( TreeViewCommandBehavior ), typeof( TreeViewSelected ), null );
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public static readonly DependencyProperty CommandProperty = DependencyProperty.RegisterAttached( "Command", typeof( ICommand ), typeof( TreeViewSelected ), new PropertyMetadata( OnSetCommandCallback ) );
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public static void SetCommand( TreeView menuItem, ICommand command )
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{
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menuItem.SetValue( CommandProperty, command );
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}
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public static ICommand GetCommand( TreeView menuItem )
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{
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return menuItem.GetValue( CommandProperty ) as ICommand;
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}
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public static readonly DependencyProperty CommandParameterProperty = DependencyProperty.RegisterAttached( "CommandParameter", typeof( object ), typeof( TreeViewSelected ), new PropertyMetadata( OnSetCommandParameterCallback ) );
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public static void SetCommandParameter( TreeView menuItem, object parameter )
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{
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menuItem.SetValue( CommandParameterProperty, parameter );
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}
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public static object GetCommandParameter( TreeView menuItem )
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{
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return menuItem.GetValue( CommandParameterProperty );
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}
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private static void OnSetCommandCallback( DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e )
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{
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TreeView menuItem = dependencyObject as TreeView;
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if( menuItem != null )
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{
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TreeViewCommandBehavior behavior = GetOrCreateBehavior( menuItem );
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behavior.Command = e.NewValue as ICommand;
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}
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}
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private static void OnSetCommandParameterCallback( DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e )
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{
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TreeView menuItem = dependencyObject as TreeView;
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if( menuItem != null )
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{
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TreeViewCommandBehavior behavior = GetOrCreateBehavior( menuItem );
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behavior.CommandParameter = e.NewValue;
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}
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}
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private static TreeViewCommandBehavior GetOrCreateBehavior( TreeView menuItem )
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{
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TreeViewCommandBehavior behavior = menuItem.GetValue( SelectedCommandBehaviorProperty ) as TreeViewCommandBehavior;
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if( behavior == null )
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{
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behavior = new TreeViewCommandBehavior( menuItem );
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menuItem.SetValue( SelectedCommandBehaviorProperty, behavior );
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}
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return behavior;
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}
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}
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}
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