private int getComponentState(JComponent c, Region subregion) {
int state = SynthLookAndFeel.getComponentState(c);
if (divider.isMouseOver()) {
state |= MOUSE_OVER;
}
return state;
}
/**
* 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);
context.getPainter().paintSplitPaneBackground(context, g, 0, 0, c.getWidth(), c.getHeight());
paint(context, g);
context.dispose();
}
private void updateStyle(JSplitPane splitPane) {
SynthContext context = getContext(splitPane, Region.SPLIT_PANE_DIVIDER, ENABLED);
SynthStyle oldDividerStyle = dividerStyle;
dividerStyle = SynthLookAndFeel.updateStyle(context, this);
context.dispose();
context = getContext(splitPane, ENABLED);
SynthStyle oldStyle = style;
style = SynthLookAndFeel.updateStyle(context, this);
if (style != oldStyle) {
Object value = style.get(context, "SplitPane.size");
if (value == null) {
value = Integer.valueOf(6);
}
LookAndFeel.installProperty(splitPane, "dividerSize", value);
value = style.get(context, "SplitPane.oneTouchExpandable");
if (value != null) {
LookAndFeel.installProperty(splitPane, "oneTouchExpandable", value);
}
if (divider != null) {
splitPane.remove(divider);
divider.setDividerSize(splitPane.getDividerSize());
}
if (oldStyle != null) {
uninstallKeyboardActions();
installKeyboardActions();
}
}
if (style != oldStyle || dividerStyle != oldDividerStyle) {
// Only way to force BasicSplitPaneDivider to reread the
// necessary properties.
if (divider != null) {
splitPane.remove(divider);
}
divider = createDefaultDivider();
divider.setBasicSplitPaneUI(this);
splitPane.add(divider, JSplitPane.DIVIDER);
}
context.dispose();
}
/** {@inheritDoc} */
@Override
public void propertyChange(PropertyChangeEvent e) {
if (SynthLookAndFeel.shouldUpdateStyle(e)) {
updateStyle((JSplitPane) e.getSource());
}
}
private SynthContext getContext(JComponent c, int state) {
return SynthContext.getContext(
SynthContext.class, c, SynthLookAndFeel.getRegion(c), style, state);
}
/** {@inheritDoc} */
@Override
public SynthContext getContext(JComponent c) {
return getContext(c, SynthLookAndFeel.getComponentState(c));
}