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69 lines
1.8 KiB
69 lines
1.8 KiB
/*************************************************************************************
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Toolkit for WPF
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Copyright (C) 2007-2020 Xceed Software Inc.
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This program is provided to you under the terms of the XCEED SOFTWARE, INC.
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COMMUNITY LICENSE AGREEMENT (for non-commercial use) as published at
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https://github.com/xceedsoftware/wpftoolkit/blob/master/license.md
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For more features, controls, and fast professional support,
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pick up the Plus Edition at https://xceed.com/xceed-toolkit-plus-for-wpf/
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Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
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***********************************************************************************/
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namespace Xceed.Wpf.Toolkit.Primitives
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{
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public class SelectAllSelectorItem : SelectorItem
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{
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#region Members
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private bool _ignoreSelectorChanges = false;
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#endregion
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#region Overrides
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// Do not raise an event when this item is Selected/UnSelected.
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protected override void OnIsSelectedChanged( bool? oldValue, bool? newValue )
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{
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if( _ignoreSelectorChanges )
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return;
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var templatedParent = this.TemplatedParent as SelectAllSelector;
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if( templatedParent != null )
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{
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if( newValue.HasValue )
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{
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// Select All
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if( newValue.Value )
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{
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templatedParent.SelectAll();
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}
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// UnSelect All
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else
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{
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templatedParent.UnSelectAll();
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}
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}
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}
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}
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#endregion
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#region Internal Methods
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internal void ModifyCurrentSelection( bool? newSelection )
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{
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_ignoreSelectorChanges = true;
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this.IsSelected = newSelection;
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_ignoreSelectorChanges = false;
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}
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#endregion
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}
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}
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