if (decrButton == null) decrButton = new BasicArrowButton(orientation); else ((BasicArrowButton) decrButton).setDirection(orientation); return decrButton;
return new BasicArrowButton(orientation);
  protected JButton createDecreaseButton(int orientation)  {    if (decrButton == null)      decrButton = new BasicArrowButton(orientation);    else      ((BasicArrowButton) decrButton).setDirection(orientation);    return decrButton;  }