private function addRole ()
		{
			$roleForm = new RoleForm();
			if (Yii::$app->request->getIsPost())
			{
				$roleForm->setAttributes(Yii::$app->request->post('RoleForm'));
				if ($roleForm->method == 'rbac-add')
					$roleForm->setScenario(RoleForm::SCENARIO_ADD);

				if ($roleForm->validate())
				{
					$this->saveRole($roleForm);
					$url = Yii::$app->request->referrer . '#roles';
					Yii::$app->response->redirect($url);
				}
			}

			return $roleForm;
		}