@Override
        public void keyPressed(KeyEvent e) {
          if (e.isShiftDown()) {
            if (e.getKeyCode() == KeyEvent.VK_DOWN) {
              list.dispatchEvent(e);
              e.consume();
            }
            if (e.getKeyCode() == KeyEvent.VK_UP) {
              list.dispatchEvent(e);
              e.consume();
            }
          }
        }
@Override
        public void keyPressed(KeyEvent e)