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Java > Open Source Codes > org > apache > batik > gvt > event > GraphicsNodeChangeListener


1 /*
2
3    Copyright 2002 The Apache Software Foundation
4
5    Licensed under the Apache License, Version 2.0 (the "License");
6    you may not use this file except in compliance with the License.
7    You may obtain a copy of the License at
8
9        http://www.apache.org/licenses/LICENSE-2.0
10
11    Unless required by applicable law or agreed to in writing, software
12    distributed under the License is distributed on an "AS IS" BASIS,
13    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14    See the License for the specific language governing permissions and
15    limitations under the License.
16
17  */
18 package org.apache.batik.gvt.event;
19
20 import java.util.EventListener JavaDoc;
21
22 /**
23  * The interface for listening to changes on graphics nodes.
24  *
25  * @author <a HREF="mailto:deweese@apache.org">Thomas DeWeese</a>
26  * @version $Id: GraphicsNodeChangeListener.java,v 1.4 2005/03/27 08:58:34 cam Exp $
27  */
28 public interface GraphicsNodeChangeListener extends EventListener JavaDoc {
29
30     /**
31      * Invoked when a change has started on a graphics node, but before
32      * any changes occure in the graphics node it's self.
33      * @param gnce the graphics node change event
34      */
35     void changeStarted(GraphicsNodeChangeEvent gnce);
36
37     /**
38      * Invoked when a change on a graphics node has completed
39      * @param gnce the graphics node change event
40      */
41     void changeCompleted(GraphicsNodeChangeEvent gnce);
42 }
43
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