1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
14 * @author Toni Kalajainen
16 package org.simantics.g2d.dnd;
18 import java.awt.dnd.DropTargetDragEvent;
19 import java.awt.dnd.DropTargetDropEvent;
20 import java.awt.dnd.DropTargetEvent;
22 import org.simantics.g2d.canvas.ICanvasParticipant;
25 * IDropParticipant is an interface for taking part of a DnD event.
26 * {@link IDnDContext} is a context used during the life cycle of the event.
28 * IDnDParticipant implementations require {@link DropInteractor}.
30 * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
32 public interface IDropTargetParticipant extends ICanvasParticipant {
34 void dragEnter(DropTargetDragEvent dtde, IDnDContext dp);
36 void dragExit(DropTargetEvent dte, IDnDContext dp);
38 void dragOver(DropTargetDragEvent dtde, IDnDContext dp);
40 void drop(DropTargetDropEvent dtde, IDnDContext dp);
42 void dropActionChanged(DropTargetDragEvent dtde, IDnDContext dp);
45 * Get allowed ops (See DnDConstants)