/*
 * Copyright (c) 2005, the JUNG Project and the Regents of the University 
 * of California
 * All rights reserved.
 *
 * This software is open-source under the BSD license; see either
 * "license.txt" or
 * http://jung.sourceforge.net/license.txt for a description.
 * Created on Mar 8, 2005
 *
 */
package edu.uci.ics.jung.visualization.control;

import java.awt.event.InputEvent;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.geom.Point2D;

import edu.uci.ics.jung.algorithms.layout.Layout;
import edu.uci.ics.jung.visualization.Layer;
import edu.uci.ics.jung.visualization.VisualizationViewer;

/** 
 * A version of the AnimatedPickingGraphMousePlugin that is for
 * the SatelliteVisualizationViewer. The difference it that when
 * you pick a Vertex in the Satellite View, the 'master view' is
 * translated to move that Vertex to the center.
 * @see AnimatedPickingGraphMousePlugin
 * @author Tom Nelson
 */
public class SatelliteAnimatedPickingGraphMousePlugin<V,E> extends AnimatedPickingGraphMousePlugin<V,E>
    implements MouseListener, MouseMotionListener {

    /**
	 * create an instance 
	 * 
	 */
	public SatelliteAnimatedPickingGraphMousePlugin() {
	    this(InputEvent.BUTTON1_MASK  | InputEvent.CTRL_MASK);
	}

    public SatelliteAnimatedPickingGraphMousePlugin(int selectionModifiers) {
        super(selectionModifiers);
    }

    /**
     * override subclass method to translate the master view instead
     * of this satellite view
     * 
     */
    @SuppressWarnings("unchecked")
    public void mouseReleased(MouseEvent e) {
    		if (e.getModifiers() == modifiers) {
			final VisualizationViewer<V,E> vv = (VisualizationViewer) e.getSource();
			if (vv instanceof SatelliteVisualizationViewer) {
				final VisualizationViewer<V,E> vvMaster = 
					((SatelliteVisualizationViewer) vv).getMaster();

				if (vertex != null) {
					Layout<V,E> layout = vvMaster.getGraphLayout();
					Point2D q = layout.transform(vertex);
					Point2D lvc = 
						vvMaster.getRenderContext().getMultiLayerTransformer().inverseTransform(Layer.LAYOUT, vvMaster.getCenter());
					final double dx = (lvc.getX() - q.getX()) / 10;
					final double dy = (lvc.getY() - q.getY()) / 10;

					Runnable animator = new Runnable() {

						public void run() {
							for (int i = 0; i < 10; i++) {
								vvMaster.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT).translate(dx,
										dy);
								try {
									Thread.sleep(100);
								} catch (InterruptedException ex) {
								}
							}
						}
					};
					Thread thread = new Thread(animator);
					thread.start();
				}
			}
		}
	}
}