/** Gets the display box of the connector. */
 public Rectangle displayBox() {
   Point p = fLocator.locate(owner());
   return new Rectangle(p.x - SIZE / 2, p.y - SIZE / 2, SIZE, SIZE);
 }
 public Point locate() {
   return fLocator.locate(owner());
 }
 protected Point locate(ConnectionFigure connection) {
   return fLocator.locate(owner());
 }