?? dndlistener.java
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/******************************************************************************* * Copyright (c) 2000, 2003 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;import org.eclipse.swt.internal.*;import org.eclipse.swt.widgets.*;class DNDListener extends TypedListener {/** * DNDListener constructor comment. * @param listener org.eclipse.swt.internal.SWTEventListener */DNDListener(SWTEventListener listener) { super(listener);}public void handleEvent (Event e) { switch (e.type) { case DND.DragStart: { DragSourceEvent event = new DragSourceEvent((DNDEvent)e); ((DragSourceListener) eventListener).dragStart (event); event.updateEvent((DNDEvent)e); break; } case DND.DragEnd: { DragSourceEvent event = new DragSourceEvent((DNDEvent)e); ((DragSourceListener) eventListener).dragFinished (event); event.updateEvent((DNDEvent)e); break; } case DND.DragSetData: { DragSourceEvent event = new DragSourceEvent((DNDEvent)e); ((DragSourceListener) eventListener).dragSetData (event); event.updateEvent((DNDEvent)e); break; } case DND.DragEnter: { DropTargetEvent event = new DropTargetEvent((DNDEvent)e); ((DropTargetListener) eventListener).dragEnter (event); event.updateEvent((DNDEvent)e); break; } case DND.DragLeave: { DropTargetEvent event = new DropTargetEvent((DNDEvent)e); ((DropTargetListener) eventListener).dragLeave (event); event.updateEvent((DNDEvent)e); break; } case DND.DragOver: { DropTargetEvent event = new DropTargetEvent((DNDEvent)e); ((DropTargetListener) eventListener).dragOver (event); event.updateEvent((DNDEvent)e); break; } case DND.Drop: { DropTargetEvent event = new DropTargetEvent((DNDEvent)e); ((DropTargetListener) eventListener).drop (event); event.updateEvent((DNDEvent)e); break; } case DND.DropAccept: { DropTargetEvent event = new DropTargetEvent((DNDEvent)e); ((DropTargetListener) eventListener).dropAccept (event); event.updateEvent((DNDEvent)e); break; } case DND.DragOperationChanged: { DropTargetEvent event = new DropTargetEvent((DNDEvent)e); ((DropTargetListener) eventListener).dragOperationChanged (event); event.updateEvent((DNDEvent)e); break; } }}}
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