public void layoutComponents() { setLayout(new BorderLayout()); add(main, BorderLayout.CENTER); if (popperIsVisible) { if (getPopperButtonLocation() == RIGHT) { popper.setPreferredSize(new Dimension(14, main.getHeight())); add(popper, BorderLayout.EAST); } else if (getPopperButtonLocation() == BOTTOM) { popper.setPreferredSize(new Dimension(main.getWidth(), 14)); add(popper, BorderLayout.SOUTH); setPopperArrowDirection(DOWN); setPopupLocation(popper.getX(), popper.getY() + popper.getHeight() + 5); } } Utilities.updateView(this); }