public function beforeSave($options = array()) {
        if (isset($this->data[$this->alias]['model'])) {
            list($plugin, $model) = Admin::parseName($this->data[$this->alias]['model']);

            if ($plugin === Configure::read('Admin.coreName')) {
                $this->data[$this->alias]['model'] = $model;
            }
        }

        return true;
    }