SwingMouseEventRelay.java

/* $Revision$ $Author$ $Date$
 * 
 * Copyright (C) 2007  Niels Out <nielsout@users.sf.net>
 * 
 * Contact: cdk-devel@lists.sourceforge.net or nout@science.uva.nl
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 * All I ask is that proper credit is given for my work, which includes
 * - but is not limited to - adding the above copyright notice to the beginning
 * of your source code files, and to any copyright notice that you may distribute
 * with programs based on this work.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package org.openscience.cdk.controller;

import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;

/**
 * @cdk.module control
 */
public class SwingMouseEventRelay 
 	implements MouseMotionListener, MouseListener {

	private IMouseEventRelay relay;
	
	public SwingMouseEventRelay(IMouseEventRelay relay) {
		this.relay = relay;
	}
	
	public void mouseMoved(MouseEvent event) {
		relay.mouseMove(event.getX(), event.getY());
	}
	public void updateView() {
		System.out.println("updating View now in SwingMouseEventRelay");	
	}
	public void mouseDragged(MouseEvent event) {
		//check http://www.leepoint.net/notes-java/examples/mouse/020dragdemo.html for implementation
		relay.mouseDrag(dragFromX, dragFromY, event.getX(), event.getY());
		dragFromX = event.getX();
		dragFromY = event.getY();
	}
	/** Position of mouse press for dragging. */
	private int dragFromX = 0;
	private int dragFromY = 0;
	 /** true means mouse was pressed in ball and still in panel.*/
    private boolean _canDrag  = false;
    
    public void mouseClicked(MouseEvent event) {
		//normal mouseClicked is the same as mousePressed and mouseReleased after that
		
		//Double click is a special case
		if (event.getClickCount() > 1)
			relay.mouseClickedDouble(event.getX(), event.getY());
		System.out.println("mouseClicked at: " + event.getX() + "/" + event.getY() + " event.getClickCount(): " + event.getClickCount());
		
		
	}

	public void mouseEntered(MouseEvent event) {
		relay.mouseEnter(event.getX(), event.getY());
	}

	public void mouseExited(MouseEvent event) {
		relay.mouseExit(event.getX(), event.getY());
}

	public void mousePressed(MouseEvent event) {
		// TODO Auto-generated method stub
		relay.mouseClickedDown(event.getX(), event.getY());
		System.out.println("mousePressed at: " + event.getX() + "/" + event.getY());
		dragFromX = event.getX();
		dragFromY = event.getY();
	}

	public void mouseReleased(MouseEvent event) {
		// TODO Auto-generated method stub
		relay.mouseClickedUp(event.getX(), event.getY());
	}
	
	
}