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UndoAction.java

/*
 *  $RCSfile$
 *  $Author: egonw $
 *  $Date: 2007-01-04 18:26:00 +0100 (Thu, 04 Jan 2007) $
 *  $Revision: 7634 $
 *
 *  Copyright (C) 1997-2007  The JChemPaint project
 *
 *  Contact: jchempaint-devel@lists.sourceforge.net
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1
 *  of the License, or (at your option) any later version.
 *  All we ask is that proper credit is given for our work, which includes
 *  - but is not limited to - adding the above copyright notice to the beginning
 *  of your source code files, and to any copyright notice that you may distribute
 *  with programs based on this work.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package org.openscience.cdk.applications.jchempaint.action;

import java.awt.event.ActionEvent;


/**
 * An action for making things undone :-)
 * Beneficial in many situations in your life.
 *
 * @cdk.module jchempaint
 * @author     steinbeck
 * @cdk.bug    1524599
 */
00042 public class UndoAction extends JCPAction
{
    
    private static final long serialVersionUID = 8552968393233060836L;

    /**
       *  Undoes the last action.
       *
       *@param  e  Description of the Parameter
       */
00052       public void actionPerformed(ActionEvent e)
      {
            logger.debug("Undo triggered");
        if (jcpPanel.getUndoManager().canUndo()) {
            jcpPanel.getUndoManager().undo();
        }
        jcpPanel.getJChemPaintModel().fireChange();
      }

}


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