package de.ugoe.cs.swe.bnftools.ui.views.syntaxdiagram;

import org.eclipse.draw2d.Figure;
import org.eclipse.draw2d.MouseEvent;
import org.eclipse.draw2d.MouseListener;
import org.eclipse.draw2d.MouseMotionListener;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;

public class DragAndDropListener extends MouseMotionListener.Stub implements
		MouseListener {

	Point start;

	public void mousePressed(MouseEvent e) {
		start = e.getLocation();		
	}

	public void mouseReleased(MouseEvent e) {
	}

	public void mouseDoubleClicked(MouseEvent e) {
	}

	public void mouseDragged(MouseEvent e) {
		Point p = e.getLocation();
		Dimension d = p.getDifference(start);
		start = p;
		Figure f = ((Figure) e.getSource());
		f.setBounds(f.getBounds().getTranslated(d.width, d.height));
	}
}