INullSelectionListener


1   /*******************************************************************************
2    * Copyright (c) 2000, 2006 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.ui;
12  
13  /**
14   * Interface for listening to <code>null</code> selection changes.
15   * <p>
16   * This interface should be implemented by selection listeners
17   * that want to be notified when the selection becomes <code>null</code>.
18   * It has no methods. It simply indicates the desire to receive
19   * <code>null</code> selection events through the existing 
20   * <code>selectionChanged</code> method. Either the part or the 
21   * selection may be <code>null</code>.
22   * </p>
23   *
24   * @see ISelectionListener#selectionChanged
25   * @see IActionDelegate#selectionChanged
26   * @see org.eclipse.ui.ISelectionListener
27   * 
28   * @since 2.0
29   */
30  public interface INullSelectionListener extends ISelectionListener {
31  }
32

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