MyLabelDragSequenceEventHandler.java

/*
 * Copyright 2004-2010 Information & Software Engineering Group (188/1)
 *                     Institute of Software Technology and Interactive Systems
 *                     Vienna University of Technology, Austria
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.ifs.tuwien.ac.at/dm/somtoolbox/license.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package at.tuwien.ifs.somtoolbox.apps.viewer.handlers;

import java.awt.geom.Point2D;

import edu.umd.cs.piccolo.event.PInputEvent;

/**
 * Used to move Labels of clusters.
 * 
 * @author Angela Roiger
 * @version $Id: MyLabelDragSequenceEventHandler.java 3358 2010-02-11 14:35:07Z mayer $
 */
public class MyLabelDragSequenceEventHandler extends AbstractDragSequenceEventHandler {
    public MyLabelDragSequenceEventHandler() {
        allowedNodeTypes = new String[] { "clusterLabel", "manualLabel", "smallClusterLabel" };
    }

    @Override
    protected void endDrag(PInputEvent e) {
        super.endDrag(e);
        Point2D endPos = e.getPosition();
        e.getPickedNode().getParent().setOffset(endPos.getX() - clickX, endPos.getY() - clickY);
    }
}