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Java > Open Source Codes > org > jfree > chart > event > PlotChangeEvent


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  * PlotChangeEvent.java
28  * --------------------
29  * (C) Copyright 2000-2004, by Object Refinery Limited.
30  *
31  * Original Author: David Gilbert (for Object Refinery Limited);
32  * Contributor(s): -;
33  *
34  * $Id: PlotChangeEvent.java,v 1.2 2005/02/09 17:12:50 mungady Exp $
35  *
36  * Changes (from 24-Aug-2001)
37  * --------------------------
38  * 24-Aug-2001 : Added standard source header. Fixed DOS encoding problem (DG);
39  * 07-Nov-2001 : Updated header (DG);
40  * 09-Oct-2002 : Fixed errors reported by Checkstyle (DG);
41  * 17-Jan-2003 : Moved plot classes to a separate package (DG);
42  *
43  */
44
45 package org.jfree.chart.event;
46
47 import org.jfree.chart.plot.Plot;
48
49 /**
50  * An event that can be forwarded to any
51  * {@link org.jfree.chart.event.PlotChangeListener} to signal a change to a
52  * plot.
53  */
54 public class PlotChangeEvent extends ChartChangeEvent {
55
56     /** The plot that generated the event. */
57     private Plot plot;
58
59     /**
60      * Creates a new PlotChangeEvent.
61      *
62      * @param plot the plot that generated the event.
63      */
64     public PlotChangeEvent(Plot plot) {
65         super(plot);
66         this.plot = plot;
67     }
68
69     /**
70      * Returns the plot that generated the event.
71      *
72      * @return The plot that generated the event.
73      */
74     public Plot getPlot() {
75         return this.plot;
76     }
77
78 }
79
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