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 * ChartMouseListener.java
029 * -----------------------
030 * (C) Copyright 2002-2008, by Object Refinery Limited and Contributors.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): Alex Weber;
034 *
035 * Changes
036 * -------
037 * 27-May-2002 : Version 1, incorporating code and ideas by Alex Weber (DG);
038 * 13-Jun-2002 : Added Javadocs (DG);
039 * 26-Sep-2002 : Fixed errors reported by Checkstyle (DG);
040 * 23-Nov-2005 : Now extends EventListener (DG);
041 * ------------- JFREECHART 1.0.x ---------------------------------------------
042 * 24-May-2007 : Updated API docs (DG);
043 *
044 */
045
046 package org.jfree.chart;
047
048 import java.util.EventListener;
049
050 /**
051 * The interface that must be implemented by classes that wish to receive
052 * {@link ChartMouseEvent} notifications from a {@link ChartPanel}.
053 *
054 * @see ChartPanel#addChartMouseListener(ChartMouseListener)
055 */
056 public interface ChartMouseListener extends EventListener {
057
058 /**
059 * Callback method for receiving notification of a mouse click on a chart.
060 *
061 * @param event information about the event.
062 */
063 void chartMouseClicked(ChartMouseEvent event);
064
065 /**
066 * Callback method for receiving notification of a mouse movement on a
067 * chart.
068 *
069 * @param event information about the event.
070 */
071 void chartMouseMoved(ChartMouseEvent event);
072
073 }