org.eclipse.swt.events.TreeListener source code

1 /*******************************************************************************
2  * Copyright (c) 2000, 2005 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.TreeListener;
14 
15 
16 public import org.eclipse.swt.internal.SWTEventListener;
17 public import org.eclipse.swt.events.TreeEvent;
18 
19 /**
20  * Classes which implement this interface provide methods
21  * that deal with the expanding and collapsing of tree
22  * branches.
23  * <p>
24  * After creating an instance of a class that :
25  * this interface it can be added to a tree control using the
26  * <code>addTreeListener</code> method and removed using
27  * the <code>removeTreeListener</code> method. When a branch
28  * of the tree is expanded or collapsed, the appropriate method
29  * will be invoked.
30  * </p>
31  *
32  * @see TreeAdapter
33  * @see TreeEvent
34  */
35 public interface TreeListener : SWTEventListener {
36 
37 /**
38  * Sent when a tree branch is collapsed.
39  *
40  * @param e an event containing information about the tree operation
41  */
42 public void treeCollapsed(TreeEvent e);
43 
44 /**
45  * Sent when a tree branch is expanded.
46  *
47  * @param e an event containing information about the tree operation
48  */
49 public void treeExpanded(TreeEvent e);
50 }