/** * Registers/unregisters a component newly attached to this page. * * @param component Component to register/unregister. * @param register If true, register the component. If false, unregister it. */ /*package*/ void registerComponent(BaseComponent component, boolean register) { if (getId() == null) { return; } String id = component.getId(); if (id == null) { id = nextComponentId(); component._setId(id); } if (register) { ids.put(id, component); } else { ids.remove(id); } Event event = new Event(register ? "register" : "unregister", this, component); fireEvent(event); }