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Java > Open Source Codes > org > eclipse > compare > internal > AbstractViewer


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.compare.internal;
12
13 import org.eclipse.jface.viewers.ISelection;
14 import org.eclipse.jface.viewers.Viewer;
15
16
17 public abstract class AbstractViewer extends Viewer {
18
19     public void setInput(Object JavaDoc input) {
20         // empty default implementation
21 }
22     
23     public Object JavaDoc getInput() {
24         return null;
25     }
26     
27     public ISelection getSelection() {
28         return null;
29     }
30     
31     public void setSelection(ISelection s, boolean reveal) {
32         // empty default implementation
33 }
34     
35     public void refresh() {
36         // empty default implementation
37 }
38 }
39
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