public void paint(Graphics g) {
        Graphics2D g2D = (Graphics2D) g;
        Composite savedComposite = g2D.getComposite();
        Paint savedPaint = g2D.getPaint();

        boolean isPressed = getModel().isPressed();
        boolean isRollover = getModel().isRollover();

        int width = getWidth();
        int height = getHeight();

        Color[] tc = AbstractLookAndFeel.getTheme().getThumbColors();
        Color c1 = tc[0];
        Color c2 = tc[tc.length - 1];
        if (isPressed) {
            c1 = ColorHelper.darker(c1, 5);
            c2 = ColorHelper.darker(c2, 5);
        } else if (isRollover) {
            c1 = ColorHelper.brighter(c1, 20);
            c2 = ColorHelper.brighter(c2, 20);
        }

        g2D.setPaint(new GradientPaint(0, 0, c1, width, height, c2));
        g.fillRect(0, 0, width, height);
        g2D.setPaint(savedPaint);

        g.setColor(getFrameColor());
        g.drawLine(1, 1, width - 2, 1);
        g.drawLine(1, 1, 1, height - 3);
        g.drawLine(width - 2, 1, width - 2, height - 3);
        g.drawLine(2, height - 2, width - 3, height - 2);

        AlphaComposite alpha = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f);
        g2D.setComposite(alpha);
        g2D.setColor(c2);
        g.drawLine(2, 2, width - 3, 2);
        g.drawLine(2, 3, 2, height - 3);

        g.setColor(ColorHelper.darker(c2, 40));
        g.drawLine(width - 1, 2, width - 1, height - 3);
        g.drawLine(3, height - 1, width - 3, height - 1);
        alpha = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.2f);
        g2D.setComposite(alpha);
        g.drawLine(1, height - 2, 2, height - 1);
        g.drawLine(width - 1, height - 2, width - 2, height - 1);

        g2D.setComposite(savedComposite);

        // paint the icon
        if (getDirection() == NORTH) {
            int x = (width / 2) - (getUpArrowIcon().getIconWidth() / 2);
            int y = (height / 2) - (getUpArrowIcon().getIconHeight() / 2);
            getUpArrowIcon().paintIcon(this, g, x, y);
        } else if (getDirection() == SOUTH) {
            int x = (width / 2) - (getDownArrowIcon().getIconWidth() / 2);
            int y = (height / 2) - (getDownArrowIcon().getIconHeight() / 2) + 1;
            getDownArrowIcon().paintIcon(this, g, x, y);
        } else if (getDirection() == WEST) {
            int x = (width / 2) - (getLeftArrowIcon().getIconWidth() / 2);
            int y = (height / 2) - (getLeftArrowIcon().getIconHeight() / 2);
            getLeftArrowIcon().paintIcon(this, g, x, y);
        } else {
            int x = (width / 2) - (getRightArrowIcon().getIconWidth() / 2) + 1;
            int y = (height / 2) - (getRightArrowIcon().getIconHeight() / 2);
            getRightArrowIcon().paintIcon(this, g, x, y);
        }
    }