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SWT is an open source widget toolkit for Java designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is implemented.

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/*******************************************************************************
 * 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.dnd;


/**
 * This adapter class provides default implementations for the
 * methods described by the DropTargetListener interface.
 * 
 * Classes that wish to deal with DropTargetEvents can
 * extend this class and override only the methods which they are
 * interested in.
 * 
 *
 * @see DropTargetListener
 * @see DropTargetEvent
 * @see Sample code and further information
 */
public class DropTargetAdapter implements DropTargetListener {

/**
 * This implementation of dragEnter permits the default 
 * operation defined in event.detailto be performed on the current data type
 * defined in event.currentDataType.
 * For additional information see DropTargetListener.dragEnter.
 * 
 * @param event the information associated with the drag enter event
 */
public void dragEnter(DropTargetEvent event){}

/**
 * This implementation of dragLeave does nothing.
 * For additional information see DropTargetListener.dragOperationChanged.
 * 
 * @param event the information associated with the drag leave event
 */
public void dragLeave(DropTargetEvent event){}

/**
 * This implementation of dragOperationChanged permits the default 
 * operation defined in event.detailto be performed on the current data type
 * defined in event.currentDataType.
 * For additional information see DropTargetListener.dragOperationChanged.
 * 
 * @param event the information associated with the drag operation changed event
 */
public void dragOperationChanged(DropTargetEvent event){}

/**
 * This implementation of dragOver permits the default 
 * operation defined in event.detailto be performed on the current data type
 * defined in event.currentDataType.
 * For additional information see DropTargetListener.dragOver.
 * 
 * @param event the information associated with the drag over event
 */
public void dragOver(DropTargetEvent event){}

/**
 * This implementation of drop does nothing.
 * For additional information see DropTargetListener.drop.
 * 
 * @param event the information associated with the drop event
 */
public void drop(DropTargetEvent event){}

/**
 * This implementation of dropAccept permits the default 
 * operation defined in event.detailto be performed on the current data type
 * defined in event.currentDataType.
 * For additional information see DropTargetListener.dropAccept.
 * 
 * @param event the information associated with the drop accept event
 */
public void dropAccept(DropTargetEvent event){}

}