001    /* ===========================================================
002     * JFreeChart : a free chart library for the Java(tm) platform
003     * ===========================================================
004     *
005     * (C) Copyright 2000-2006, 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     * MarkerChangeEvent.java
029     * ----------------------
030     * (C) Copyright 2006, by Object Refinery Limited.
031     *
032     * Original Author:  David Gilbert (for Object Refinery Limited);
033     * Contributor(s):   -;
034     *
035     * $Id: MarkerChangeEvent.java,v 1.1.2.3 2006/10/25 14:49:30 mungady Exp $
036     *
037     * Changes
038     * -------
039     * 05-Sep-2006 : Version 1 (DG);
040     *
041     */
042    
043    package org.jfree.chart.event;
044    
045    import org.jfree.chart.plot.Marker;
046    
047    /**
048     * An event that can be forwarded to any {@link MarkerChangeListener} to 
049     * signal a change to a {@link Marker}.
050     * 
051     * @since 1.0.3
052     */
053    public class MarkerChangeEvent extends ChartChangeEvent {
054    
055        /** The plot that generated the event. */
056        private Marker marker;
057    
058        /**
059         * Creates a new <code>MarkerChangeEvent</code> instance.
060         *
061         * @param marker  the marker that triggered the event (<code>null</code> 
062         *     not permitted).
063         * 
064         * @since 1.0.3
065         */
066        public MarkerChangeEvent(Marker marker) {
067            super(marker);
068            this.marker = marker;
069        }
070    
071        /**
072         * Returns the marker that triggered the event.
073         *
074         * @return The marker that triggered the event (never <code>null</code>).
075         * 
076         * @since 1.0.3
077         */
078        public Marker getMarker() {
079            return this.marker;
080        }
081    
082    }