org.eclipse.swt.events.TreeAdapter.java Source code

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Here is the source code for org.eclipse.swt.events.TreeAdapter.java

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/*******************************************************************************
 * Copyright (c) 2002, 2011 Innoopract Informationssysteme GmbH 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:
 *    Innoopract Informationssysteme GmbH - 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
 */
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) {
    }
}