001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2008, 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 2006-2008, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): -;
034 *
035 * Changes
036 * -------
037 * 05-Sep-2006 : Version 1 (DG);
038 *
039 */
040
041 package org.jfree.chart.event;
042
043 import org.jfree.chart.plot.Marker;
044
045 /**
046 * An event that can be forwarded to any {@link MarkerChangeListener} to
047 * signal a change to a {@link Marker}.
048 *
049 * @since 1.0.3
050 */
051 public class MarkerChangeEvent extends ChartChangeEvent {
052
053 /** The plot that generated the event. */
054 private Marker marker;
055
056 /**
057 * Creates a new <code>MarkerChangeEvent</code> instance.
058 *
059 * @param marker the marker that triggered the event (<code>null</code>
060 * not permitted).
061 *
062 * @since 1.0.3
063 */
064 public MarkerChangeEvent(Marker marker) {
065 super(marker);
066 this.marker = marker;
067 }
068
069 /**
070 * Returns the marker that triggered the event.
071 *
072 * @return The marker that triggered the event (never <code>null</code>).
073 *
074 * @since 1.0.3
075 */
076 public Marker getMarker() {
077 return this.marker;
078 }
079
080 }