001/* ----------------------------------------------------------------------------
002   The Kiwi Toolkit - A Java Class Library
003   Copyright (C) 1998-2004 Mark A. Lindner
004
005   This library is free software; you can redistribute it and/or
006   modify it under the terms of the GNU General Public License as
007   published by the Free Software Foundation; either version 2 of the
008   License, or (at your option) any later version.
009
010   This library is distributed in the hope that it will be useful,
011   but WITHOUT ANY WARRANTY; without even the implied warranty of
012   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013   General Public License for more details.
014
015   You should have received a copy of the GNU General Public License
016   along with this library; if not, write to the Free Software
017   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
018   02111-1307, USA.
019 
020   The author may be contacted at: mark_a_lindner@yahoo.com
021   ----------------------------------------------------------------------------
022   $Log: ChartModelListener.java,v $
023   Revision 1.4  2004/05/05 22:16:57  markl
024   comment block updates
025
026   Revision 1.3  2003/01/19 09:34:08  markl
027   Javadoc & comment header updates.
028
029   Revision 1.2  2001/03/13 08:03:33  markl
030   Fixed @see tag.
031
032   Revision 1.1  2001/03/12 03:42:29  markl
033   Moved from kiwi.ui.graph package.
034
035   Revision 1.2  2000/10/15 09:40:29  markl
036   Added javadoc and final API polishing.
037
038   Revision 1.1  2000/10/13 02:04:19  markl
039   Added remaining classes, and integrated components with models.
040   ----------------------------------------------------------------------------
041*/
042
043package kiwi.event;
044
045import java.util.*;
046
047/** This class represents a listener that is notified when the data in a
048 * <code>ChartModel</code> changes.
049 *
050 * @see kiwi.ui.model.ChartModel
051 *
052 * @author Mark Lindner
053 */
054
055public interface ChartModelListener extends EventListener
056  {
057
058  /** Invoked when the data in the model has changed in some way.
059   *
060   * @param event The event.
061   */
062  
063  public void chartDataChanged(ChartModelEvent event);
064  }
065
066/* end of source file */