public void register(final PTWindow window) {
if (log.isLoggable(Level.INFO))
log.log(Level.INFO, "Register window : " + window.getObjectID());
windows.put(window.getObjectID(), window);
}
void unregister(final PTWindow window) {
windows.remove(window.getObjectID());
}
public static final void closeAll() {
final Collection<PTWindow> values = new ArrayList<>(get().windows.values());
for (final PTWindow window : values) {
window.close(true);
}
}