001/* ========================================================================
002 * JCommon : a free general purpose class library for the Java(tm) platform
003 * ========================================================================
004 *
005 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006 * 
007 * Project Info:  http://www.jfree.org/jcommon/index.html
008 *
009 * This library is free software; you can redistribute it and/or modify it 
010 * under the terms of the GNU Lesser General Public License as published by 
011 * the Free Software Foundation; either version 2.1 of the License, or 
012 * (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but 
015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
017 * License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this library; if not, write to the Free Software
021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
022 * USA.  
023 *
024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
025 * in the United States and other countries.]
026 * 
027 * ----------------------------
028 * AbstractActionDowngrade.java
029 * ----------------------------
030 * (C)opyright 2002-2004, by Thomas Morgner and Contributors.
031 *
032 * Original Author:  Thomas Morgner;
033 * Contributor(s):   David Gilbert (for Object Refinery Limited);
034 *
035 * $Id: AbstractActionDowngrade.java,v 1.2 2005/10/18 13:22:13 mungady Exp $
036 *
037 * Changes
038 * -------
039 * 30-Aug-2002 : Initial version
040 * 10-Dec-2002 : Updated Javadocs (DG);
041 * 07-Jun-2004 : Corrected source headers (DG);
042 *
043 */
044
045package org.jfree.ui.action;
046
047import javax.swing.AbstractAction;
048
049/**
050 * A class that allows Action features introduced in JDK 1.3 to be used with JDK 1.2.2, by
051 * defining the two new constants introduced by Sun in JDK 1.3.
052 *
053 * @author Thomas Morgner
054 */
055public abstract class AbstractActionDowngrade extends AbstractAction implements ActionDowngrade {
056    // kills a compile error for JDK's >= 1.3
057    // ambiguous reference error ...
058    /**
059     * The key used for storing a <code>KeyStroke</code> to be used as the
060     * accelerator for the action.
061     */
062    public static final String ACCELERATOR_KEY = ActionDowngrade.ACCELERATOR_KEY;
063
064    /**
065     * The key used for storing an int key code to be used as the mnemonic
066     * for the action.
067     */
068    public static final String MNEMONIC_KEY = ActionDowngrade.MNEMONIC_KEY;
069
070    /**
071     * Creates a new action with a default (transparent) icon.
072     */
073    protected AbstractActionDowngrade() {
074        // nothing required
075    }
076    
077}