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 * DialLayerChangeListener.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 * 06-Nov-2006 : Version 1 (DG);
038 *
039 */
040
041 package org.jfree.chart.plot.dial;
042
043 import java.util.EventListener;
044
045 /**
046 * The interface via which an object is notified of changes to a
047 * {@link DialLayer}. The {@link DialPlot} class listens for changes to its
048 * layers in this way.
049 *
050 * @since 1.0.7
051 */
052 public interface DialLayerChangeListener extends EventListener {
053
054 /**
055 * A call-back method for receiving notification of a change to a
056 * {@link DialLayer}.
057 *
058 * @param event the event.
059 */
060 public void dialLayerChanged(DialLayerChangeEvent event);
061
062 }