public function canExecute($action)
    {
        if ($this->getItem() && $this->getItem()->blocking(get_viewer())) {
            return false;
        }

        //if the action is an admin action then check if the viewer is an admin
        if ($this->isAdministrable()) {
            $methods = $this->getBehavior('administrable')->getMethods();

            if (in_array('_action'.ucfirst($action), $methods) && $this->canAdminister() === false) {
                return false;
            }
        }

        return parent::canExecute($action);
    }