public function creatorAction($type, $id = null, $content = null, $father = null)
    {
        //cant use @Secure(roles="ROLE_ADMIN") annotation beacause this method is called in anonymous mode
        if ($this->canEdit()) {
            return $this->render(
                'ClarolineCoreBundle:home/types:'.$type.'.creator.twig',
                $this->manager->getCreator($type, $id, $content, $father),
                true
            );
        }

        return new Response(); //return void and not an exeption
    }