/******************************************************************************* * Copyright (c) 2000, 2011 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.swt.events; /** * This adapter class provides default implementations for the * methods described by the <code>TreeListener</code> interface. * <p> * Classes that wish to deal with <code>TreeEvent</code>s can * extend this class and override only the methods which they are * interested in. * </p> * * @see TreeListener * @see TreeEvent * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> */ public abstract class TreeAdapter implements TreeListener { /** * Sent when a tree branch is collapsed. * The default behavior is to do nothing. * * @param e an event containing information about the tree operation */ public void treeCollapsed(TreeEvent e) { } /** * Sent when a tree branch is expanded. * The default behavior is to do nothing. * * @param e an event containing information about the tree operation */ public void treeExpanded(TreeEvent e) { } }