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Java > Open Source Codes > org > jfree > chart > plot > junit > MyPlotChangeListener


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
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22  * USA.
23  *
24  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25  * in the United States and other countries.]
26  *
27  * -------------------------
28  * MyPlotChangeListener.java
29  * -------------------------
30  * (C) Copyright 2005, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: MyPlotChangeListener.java,v 1.1.2.1 2006/10/03 15:41:26 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 21-Mar-2005 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.chart.plot.junit;
44
45 import org.jfree.chart.event.PlotChangeEvent;
46 import org.jfree.chart.event.PlotChangeListener;
47
48 /**
49  * A utility class for testing plot events.
50  */
51 public class MyPlotChangeListener implements PlotChangeListener {
52    
53     private PlotChangeEvent event;
54     
55     /**
56      * Creates a new instance.
57      */
58     public MyPlotChangeListener() {
59         this.event = null;
60     }
61     
62     /**
63      * Returns the last event received by the listener.
64      *
65      * @return The event.
66      */
67     public PlotChangeEvent getEvent() {
68         return this.event;
69     }
70     
71     /**
72      * Sets the event for the listener.
73      *
74      * @param e the event.
75      */
76     public void setEvent(PlotChangeEvent e) {
77         this.event = e;
78     }
79     
80     /**
81      * Receives notification of a plot change event.
82      *
83      * @param e the event.
84      */
85     public void plotChanged(PlotChangeEvent e) {
86         this.event = e;
87     }
88     
89 }
90
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