/******************************************************************************* * Copyright (c) 2000, 2004 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Common Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/cpl-v10.html *  * Contributors: *     IBM Corporation - initial API and implementation *******************************************************************************/package org.eclipse.swt.dnd;/** * This adapter class provides default implementations for the * methods described by the <code>DropTargetListener</code> interface. * <p> * Classes that wish to deal with <code>DropTargetEvent</code>s can * extend this class and override only the methods which they are * interested in. * </p> * * @see DropTargetListener * @see DropTargetEvent */public class DropTargetAdapter implements DropTargetListener {/** * This implementation of <code>dragEnter</code> permits the default  * operation defined in <code>event.detail</code>to be performed on the current data type * defined in <code>event.currentDataType</code>. * For additional information see <code>DropTargetListener.dragEnter</code>. */public void dragEnter(DropTargetEvent event){}/** * This implementation of <code>dragLeave</code> does nothing. * For additional information see <code>DropTargetListener.dragOperationChanged</code>. */public void dragLeave(DropTargetEvent event){}/** * This implementation of <code>dragOperationChanged</code> permits the default  * operation defined in <code>event.detail</code>to be performed on the current data type * defined in <code>event.currentDataType</code>. * For additional information see <code>DropTargetListener.dragOperationChanged</code>. */public void dragOperationChanged(DropTargetEvent event){}/** * This implementation of <code>dragOver</code> permits the default  * operation defined in <code>event.detail</code>to be performed on the current data type * defined in <code>event.currentDataType</code>. * For additional information see <code>DropTargetListener.dragOver</code>. */public void dragOver(DropTargetEvent event){}/** * This implementation of <code>drop</code> does nothing. * For additional information see <code>DropTargetListener.drop</code>. */public void drop(DropTargetEvent event){}/** * This implementation of <code>dropAccept</code> permits the default  * operation defined in <code>event.detail</code>to be performed on the current data type * defined in <code>event.currentDataType</code>. * For additional information see <code>DropTargetListener.dropAccept</code>. */public void dropAccept(DropTargetEvent event){}}