@Override
    public void paintFeedback(Graphics2D g2d, Rectangle rc) {
      g2d.setColor(PlatformColors.BLUE);
      g2d.setStroke(new BasicStroke(2.5f));
      // give space for stroke to be painted
      g2d.drawRect(rc.x+1, rc.y+1, rc.x+rc.width-2, rc.y+rc.height-2);
    }
@Override
    public void paintFeedback(Graphics2D g2d, Rectangle rc)