Map<String, Object> getDefaultsForPrefix(String prefix) {
if (compiledDefaults == null) {
compiledDefaults = new HashMap<String, Map<String, Object>>();
for (Map.Entry<Object, Object> entry : UIManager.getDefaults().entrySet()) {
if (entry.getKey() instanceof String) {
addDefault((String) entry.getKey(), entry.getValue());
}
}
if (!defaultListenerAdded) {
UIManager.getDefaults().addPropertyChangeListener(defaultsListener);
defaultListenerAdded = true;
}
}
return compiledDefaults.get(prefix);
}
/**
* Check if developer changed icon in the UI table.
*
* @return the icon to use or {@code null} if the current one is to be used
*/
private Icon getLaFIcon() {
// use icon from the UI table if it does not match this one.
Icon rv = (Icon) UIManager.getDefaults().get(typeToString(type));
if (rv instanceof VistaMenuItemCheckIcon && ((VistaMenuItemCheckIcon) rv).type == type) {
rv = null;
}
return rv;
}
/** Called by UIManager when this look and feel is uninstalled. */
@Override
public void uninitialize() {
super.uninitialize();
defaults.uninitialize();
// clear all cached images to free memory
ImageCache.getInstance().flush();
UIManager.getDefaults().removePropertyChangeListener(defaultsListener);
}