/******************************************************************************* * Copyright (c) 2004, 2015 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.ui.internal.dnd; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.widgets.Control; /** * Implementers of this interface will receive notifications when objects are dragged over * a particular SWT control. */ public interface IDragOverListener { /** * Notifies the receiver that the given object has been dragged over * the given position. Returns a drop target if the object may be * dropped in this position. Returns null otherwise. * * @param draggedObject object being dragged over this location * @param position location of the cursor * @param dragRectangle current drag rectangle (may be an empty rectangle if none) * @return a valid drop target or null if none */ IDropTarget drag(Control currentControl, Object draggedObject, Point position, Rectangle dragRectangle); }