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Java > Open Source Codes > org > jfree > chart > ChartMouseListener


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6  *
7  * Project Info: http://www.jfree.org/jfreechart/index.html
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17  * License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public License
20  * along with this library; if not, write to the Free Software Foundation,
21  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
24  * in the United States and other countries.]
25  *
26  * -----------------------
27  * ChartMouseListener.java
28  * -----------------------
29  * (C) Copyright 2002-2004, by Object Refinery Limited and Contributors.
30  *
31  * Original Author: David Gilbert (for Object Refinery Limited);
32  * Contributor(s): Alex Weber;
33  *
34  * $Id: ChartMouseListener.java,v 1.2 2005/03/28 19:38:39 mungady Exp $
35  *
36  * Changes
37  * -------
38  * 27-May-2002 : Version 1, incorporating code and ideas by Alex Weber (DG);
39  * 13-Jun-2002 : Added Javadocs (DG);
40  * 26-Sep-2002 : Fixed errors reported by Checkstyle (DG);
41  *
42  */
43
44 package org.jfree.chart;
45
46 /**
47  * The interface that must be implemented by classes that wish to receive
48  * {@link ChartMouseEvent} notifications from a {@link ChartPanel}.
49  */
50 public interface ChartMouseListener {
51
52     /**
53      * Callback method for receiving notification of a mouse click on a chart.
54      *
55      * @param event information about the event.
56      */
57     void chartMouseClicked(ChartMouseEvent event);
58
59     /**
60      * Callback method for receiving notification of a mouse movement on a
61      * chart.
62      *
63      * @param event information about the event.
64      */
65     void chartMouseMoved(ChartMouseEvent event);
66
67 }
68
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