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