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Java > Open Source Codes > com > google > gwt > user > client > ui > ChangeListener


1 /*
2  * Copyright 2006 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy of
6  * the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations under
14  * the License.
15  */
16 package com.google.gwt.user.client.ui;
17
18 import java.util.EventListener JavaDoc;
19
20 /**
21  * Event listener interface for 'change' events.
22  */
23 public interface ChangeListener extends EventListener JavaDoc {
24
25   /**
26    * Fired when a widget changes, where 'change' is defined by the widget
27    * sending the event.
28    *
29    * @param sender the widget that has changed.
30    */
31   void onChange(Widget sender);
32 }
33
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