public function actionView($id)
    {
        $formModel = new AddAuthItemForm();

        /* @var $am CAuthManager|AuthBehavior */
        $am = Yii::app()->getAuthManager();

        if (isset($_POST['AddAuthItemForm'])) {
            $formModel->attributes = $_POST['AddAuthItemForm'];
            if ($formModel->validate()) {
                if (!$am->isAssigned($formModel->items, $id)) {
                    $am->assign($formModel->items, $id);
                    if ($am instanceof CPhpAuthManager) {
                        $am->save();
                    }

                    if ($am instanceof ICachedAuthManager) {
                        $am->flushAccess($formModel->items, $id);
                    }
                }
            }
        }

        $model = CActiveRecord::model($this->module->userClass)->findByPk($id);

        $assignments = $am->getAuthAssignments($id);
        $authItems = $am->getItemsPermissions(array_keys($assignments));
        $authItemDp = new AuthItemDataProvider();
        $authItemDp->setAuthItems($authItems);

        $assignmentOptions = $this->getAssignmentOptions($id);
        if (!empty($assignmentOptions)) {
            $assignmentOptions = array_merge(
                array('' => Yii::t('AuthModule.main', 'Select item') . ' ...'),
                $assignmentOptions
            );
        }

        $this->render(
            'view',
            array(
                'model' => $model,
                'authItemDp' => $authItemDp,
                'formModel' => $formModel,
                'assignmentOptions' => $assignmentOptions,
            )
        );
    }