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