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


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 /**
19  * An adapter to simplify keyboard event listeners that do not need all events
20  * defined on the KeyboardListener interface.
21  */
22 public class KeyboardListenerAdapter implements KeyboardListener {
23
24   public void onKeyDown(Widget sender, char keyCode, int modifiers) {
25   }
26
27   public void onKeyPress(Widget sender, char keyCode, int modifiers) {
28   }
29
30   public void onKeyUp(Widget sender, char keyCode, int modifiers) {
31   }
32 }
33
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