private static void toMakeVerticallyInCenter(JComponent comp, Container parent) {
      final Rectangle compBounds = comp.getBounds();
      Insets insets = parent.getInsets();
      int compHeight = comp.getPreferredSize().height;
      final int parentHeight = parent.getHeight()  - insets.top - insets.bottom;
      if (compHeight > parentHeight) {
        compHeight = parentHeight;
      }

      int y = (int)Math.floor(parentHeight / 2.0 - compHeight / 2.0) + insets.top;
      comp.setBounds(compBounds.x, y, compBounds.width, compHeight);
    }
private static void toMakeVerticallyInCenter(JComponent comp, Container parent)