BaseEventTypeController::actionUpdate PHP Method

    public function actionUpdate($id)
    {
        if (!empty($_POST)) {
            // somethings been submitted
            if (isset($_POST['cancel'])) {
                // Cancel button pressed, so just bounce to view
                $this->redirect(array('default/view/' . $this->event->id));
            }
            $errors = $this->setAndValidateElementsFromData($_POST);
            // update the event
            if (empty($errors)) {
                $transaction = Yii::app()->db->beginTransaction();
                try {
                    //TODO: should all the auditing be moved into the saving of the event
                    $success = $this->saveEvent($_POST);
                    if ($success) {
                        //TODO: should not be pasing event?
                        $this->afterUpdateElements($this->event);
                        $this->logActivity('updated event');
                        $this->event->audit('event', 'update');
                        $this->event->user = Yii::app()->user->id;
                        if (!$this->event->save()) {
                            throw new SystemException('Unable to update event: ' . print_r($this->event->getErrors(), true));
                        }
                        OELog::log("Updated event {$this->event->id}");
                        $transaction->commit();
                        $this->redirect(array('default/view/' . $this->event->id));
                    } else {
                        throw new Exception('Unable to save edits to event');
                    }
                } catch (Exception $e) {
                    $transaction->rollback();
                    throw $e;
                }
            }
        } else {
            // get the elements
            $this->setOpenElementsFromCurrentEvent('update');
        }
        $this->editing = true;
        $this->event_tabs = array(array('label' => 'View', 'href' => Yii::app()->createUrl($this->event->eventType->class_name . '/default/view/' . $this->event->id)), array('label' => 'Edit', 'active' => true));
        $this->event_actions = array(EventAction::link('Cancel', Yii::app()->createUrl($this->event->eventType->class_name . '/default/view/' . $this->event->id), array('level' => 'cancel')));
        $this->render($this->action->id, array('errors' => @$errors));
    }

 public function actionUpdate($id)
 {
     parent::actionUpdate($id);
 }