public void paintBackground(Graphics g, JComponent c) {
if (c.isOpaque()) {
Component parent = c.getParent();
if ((parent != null) && (parent.getBackground() instanceof ColorUIResource)) {
AluminiumUtils.fillComponent(g, c);
} else {
if (parent != null) {
g.setColor(parent.getBackground());
} else {
g.setColor(c.getBackground());
}
g.fillRect(0, 0, c.getWidth(), c.getHeight());
}
}
}