001 /* HierarchyBoundsAdapter.java -- convenience class for writing listeners
002 Copyright (C) 2000, 2002 Free Software Foundation
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
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012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
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017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038 package java.awt.event;
039
040 /**
041 * This class implements <code>HierarchyBoundsListener</code> and implements
042 * all methods with empty bodies. This allows a listener interested in
043 * implementing only a subset of the <code>HierarchyBoundsListener</code>
044 * interface to extend this class and override only the desired methods.
045 *
046 * @author Bryce McKinlay
047 * @see HierarchyBoundsListener
048 * @see HierarchyEvent
049 * @since 1.3
050 * @status updated to 1.4
051 */
052 public abstract class HierarchyBoundsAdapter implements HierarchyBoundsListener
053 {
054 /**
055 * Do nothing default constructor for subclasses.
056 */
057 public HierarchyBoundsAdapter()
058 {
059 }
060
061 /**
062 * Implements this method from the interface with an empty body.
063 *
064 * @param event the event, ignored in this implementation
065 */
066 public void ancestorMoved(HierarchyEvent event)
067 {
068 }
069
070 /**
071 * Implements this method from the interface with an empty body.
072 *
073 * @param event the event, ignored in this implementation
074 */
075 public void ancestorResized(HierarchyEvent event)
076 {
077 }
078 }