1 /*******************************************************************************
2  * Copyright (c) 2000, 2015 IBM Corporation and others.
3  *
4  * This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License 2.0
6  * which accompanies this distribution, and is available at
7  * https://www.eclipse.org/legal/epl-2.0/
8  *
9  * SPDX-License-Identifier: EPL-2.0
10  *
11  * Contributors:
12  *     IBM Corporation - initial API and implementation
13  *******************************************************************************/
14 package org.eclipse.ui.forms.events;
15 /**
16  * This adapter class provides default implementations for the methods
17  * described by the <code>ExpansionListener</code> interface.
18  * <p>
19  * Classes that wish to deal with <code>ExpansionEvent</code>s can extend
20  * this class and override only the methods which they are interested in.
21  * </p>
22  *
23  * @see IExpansionListener
24  * @see ExpansionEvent
25  * @since 3.0
26  */
27 public class ExpansionAdapter implements IExpansionListener {
28 	/**
29 	 * Sent when the link is entered. The default behaviour is to do nothing.
30 	 *
31 	 * @param e
32 	 *            the event
33 	 */
34 	@Override
expansionStateChanging(ExpansionEvent e)35 	public void expansionStateChanging(ExpansionEvent e) {
36 	}
37 	/**
38 	 * Sent when the link is exited. The default behaviour is to do nothing.
39 	 *
40 	 * @param e
41 	 *            the event
42 	 */
43 	@Override
expansionStateChanged(ExpansionEvent e)44 	public void expansionStateChanged(ExpansionEvent e) {
45 	}
46 }
47