inhibitedRectangle = new Rectangle(10, 0, 25* this.columnWidth, this.rowHeight);
  private void doLayout()  {    if (locationRectangle == null)    {      Rectangle bounds = this.getBounds();      int x,y,w,h;      // Location rectangle      w = 6 * this.columnWidth;      locationRectangle = new Rectangle(bounds.width - w, 0, w, this.rowHeight);    }  }