/**
* This method gets called when a bound property is changed on the associated JTextComponent. This
* is a hook which UI implementations may change to reflect how the UI displays bound properties
* of JTextComponent subclasses. This is implemented to rebuild the ActionMap based upon an
* EditorKit change.
*
* @param evt the property change event
*/
@Override
protected void propertyChange(PropertyChangeEvent evt) {
if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
updateStyle((JTextComponent) evt.getSource());
}
super.propertyChange(evt);
}
/**
* Notifies this UI delegate to repaint the specified component. This method paints the component
* background, then calls the {@link #paint(SynthContext,Graphics)} method.
*
* <p>In general, this method does not need to be overridden by subclasses. All Look and Feel
* rendering code should reside in the {@code paint} method.
*
* @param g the {@code Graphics} object used for painting
* @param c the component being painted
* @see #paint(SynthContext,Graphics)
*/
@Override
public void update(Graphics g, JComponent c) {
SynthContext context = getContext(c);
SynthLookAndFeel.update(context, g);
paintBackground(context, g, c);
paint(context, g);
}
private void updateStyle(JTextComponent comp) {
SynthContext context = getContext(comp, ENABLED);
SynthStyle oldStyle = style;
style = SynthLookAndFeel.updateStyle(context, this);
if (style != oldStyle) {
SynthTextFieldUI.updateStyle(comp, context, getPropertyPrefix());
if (oldStyle != null) {
uninstallKeyboardActions();
installKeyboardActions();
}
}
}
private int getComponentState(JComponent c) {
return SynthLookAndFeel.getComponentState(c);
}
/** {@inheritDoc} */
@Override
public SynthContext getContext(JComponent c) {
return getContext(c, SynthLookAndFeel.getComponentState(c));
}
private SynthContext getContext(JComponent c, int state) {
return SynthContext.getContext(
SynthContext.class, c, SynthLookAndFeel.getRegion(c), style, state);
}