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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
***********************************************************************************/
namespace Xceed.Wpf.Toolkit.Primitives
{
public class SelectAllSelectorItem : SelectorItem
{
#region Members
private bool _ignoreSelectorChanges = false;
#endregion
#region Overrides
// Do not raise an event when this item is Selected/UnSelected.
protected override void OnIsSelectedChanged( bool? oldValue, bool? newValue )
{
if( _ignoreSelectorChanges )
return;
var templatedParent = this.TemplatedParent as SelectAllSelector;
if( templatedParent != null )
{
if( newValue.HasValue )
{
// Select All
if( newValue.Value )
{
templatedParent.SelectAll();
}
// UnSelect All
else
{
templatedParent.UnSelectAll();
}
}
}
}
#endregion
#region Internal Methods
internal void ModifyCurrentSelection( bool? newSelection )
{
_ignoreSelectorChanges = true;
this.IsSelected = newSelection;
_ignoreSelectorChanges = false;
}
#endregion
}
}