org.eclipse.swt.events.TreeAdapter source code

1 /*******************************************************************************
2  * Copyright (c) 2000, 2008 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  * Port to the D programming language:
11  *     Frank Benoit <benoit@tionex.de>
12  *******************************************************************************/
13 module org.eclipse.swt.events.TreeAdapter;
14 
15 import org.eclipse.swt.events.TreeListener;
16 
17 /**
18  * This adapter class provides default implementations for the
19  * methods described by the <code>TreeListener</code> interface.
20  * <p>
21  * Classes that wish to deal with <code>TreeEvent</code>s can
22  * extend this class and override only the methods which they are
23  * interested in.
24  * </p>
25  *
26  * @see TreeListener
27  * @see TreeEvent
28  * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
29  */
30 public abstract class TreeAdapter : TreeListener {
31 
32 /**
33  * Sent when a tree branch is collapsed.
34  * The default behavior is to do nothing.
35  *
36  * @param e an event containing information about the tree operation
37  */
38 public void treeCollapsed(TreeEvent e) {
39 }
40 
41 /**
42  * Sent when a tree branch is expanded.
43  * The default behavior is to do nothing.
44  *
45  * @param e an event containing information about the tree operation
46  */
47 public void treeExpanded(TreeEvent e) {
48 }
49 }