001    /* ===========================================================
002     * JFreeChart : a free chart 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/jfreechart/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     * PlotChangeEvent.java
029     * --------------------
030     * (C) Copyright 2000-2004, by Object Refinery Limited.
031     *
032     * Original Author:  David Gilbert (for Object Refinery Limited);
033     * Contributor(s):   -;
034     *
035     * $Id: PlotChangeEvent.java,v 1.2.2.1 2005/10/25 20:42:25 mungady Exp $
036     *
037     * Changes (from 24-Aug-2001)
038     * --------------------------
039     * 24-Aug-2001 : Added standard source header. Fixed DOS encoding problem (DG);
040     * 07-Nov-2001 : Updated header (DG);
041     * 09-Oct-2002 : Fixed errors reported by Checkstyle (DG);
042     * 17-Jan-2003 : Moved plot classes to a separate package (DG);
043     *
044     */
045    
046    package org.jfree.chart.event;
047    
048    import org.jfree.chart.plot.Plot;
049    
050    /**
051     * An event that can be forwarded to any 
052     * {@link org.jfree.chart.event.PlotChangeListener} to signal a change to a 
053     * plot.
054     */
055    public class PlotChangeEvent extends ChartChangeEvent {
056    
057        /** The plot that generated the event. */
058        private Plot plot;
059    
060        /**
061         * Creates a new PlotChangeEvent.
062         *
063         * @param plot  the plot that generated the event.
064         */
065        public PlotChangeEvent(Plot plot) {
066            super(plot);
067            this.plot = plot;
068        }
069    
070        /**
071         * Returns the plot that generated the event.
072         *
073         * @return The plot that generated the event.
074         */
075        public Plot getPlot() {
076            return this.plot;
077        }
078    
079    }