protected void installDefaults(AbstractButton b) {
// load shared instance defaults
String pp = getPropertyPrefix();
defaultTextShiftOffset = UIManager.getInt(pp + "textShiftOffset");
// set the following defaults on the button
if (b.isContentAreaFilled()) {
LookAndFeel.installProperty(b, "opaque", Boolean.TRUE);
} else {
LookAndFeel.installProperty(b, "opaque", Boolean.FALSE);
}
if (b.getMargin() == null || (b.getMargin() instanceof UIResource)) {
b.setMargin(UIManager.getInsets(pp + "margin"));
}
LookAndFeel.installColorsAndFont(b, pp + "background", pp + "foreground", pp + "font");
LookAndFeel.installBorder(b, pp + "border");
Object rollover = UIManager.get(pp + "rollover");
if (rollover != null) {
LookAndFeel.installProperty(b, "rolloverEnabled", rollover);
}
LookAndFeel.installProperty(b, "iconTextGap", new Integer(4));
}
protected void paintButtonPressed(Graphics g, AbstractButton b) {
if (b.isContentAreaFilled()) {
Dimension size = b.getSize();
g.setColor(getSelectColor());
g.fillRect(0, 0, size.width, size.height);
}
}
/**
* If necessary paints the background of the component, then invokes <code>paint</code>.
*
* @param g Graphics to paint to
* @param c JComponent painting on
* @throws NullPointerException if <code>g</code> or <code>c</code> is null
* @see javax.swing.plaf.ComponentUI#update
* @see javax.swing.plaf.ComponentUI#paint
* @since 1.5
*/
public void update(Graphics g, JComponent c) {
AbstractButton button = (AbstractButton) c;
if ((c.getBackground() instanceof UIResource)
&& button.isContentAreaFilled()
&& c.isEnabled()) {
ButtonModel model = button.getModel();
if (!MetalUtils.isToolBarButton(c)) {
if (!model.isArmed()
&& !model.isPressed()
&& MetalUtils.drawGradient(
c, g, "Button.gradient", 0, 0, c.getWidth(), c.getHeight(), true)) {
paint(g, c);
return;
}
} else if (model.isRollover()
&& MetalUtils.drawGradient(
c, g, "Button.gradient", 0, 0, c.getWidth(), c.getHeight(), true)) {
paint(g, c);
return;
}
}
super.update(g, c);
}