@Override
	public void setFocus() {
		// TODO Auto-generated method stub
		super.setFocus();
		GraphicalViewer graphicalViewer2 = getGraphicalViewer();
		FigureCanvas control = (FigureCanvas) graphicalViewer2.getControl();
		control.getViewport().addPropertyChangeListener(new PropertyChangeListener() {
			
			@Override
			public void propertyChange(PropertyChangeEvent evt) {
				Point p = control.getViewport().getViewLocation();
				DiagramEditPart part = (DiagramEditPart) getDiagramBehavior().getContentEditPart();
				Diagram model = (Diagram) part.getModel();
				EList<Shape> children = model.getChildren();
				ContainerShape shape = (ContainerShape) children.get(0);
				GraphicsAlgorithm ga = shape.getGraphicsAlgorithm();
				
				int x = p.x;
				int y = p.y;
				
				System.out.println(x + ", " + y);
				
				getDiagramBehavior().getEditingDomain().getCommandStack().execute(
new SetCommand(getDiagramBehavior().getEditingDomain(), ga, AlgorithmsPackage.Literals.GRAPHICS_ALGORITHM__X, x));
				getDiagramBehavior().getEditingDomain().getCommandStack().execute(
new SetCommand(getDiagramBehavior().getEditingDomain(), ga, AlgorithmsPackage.Literals.GRAPHICS_ALGORITHM__Y, y));
			}
		});
	}