Admin_WorkflowController::preDispatch PHP Метод

    public function preDispatch()
    {
        parent::preDispatch();
        if ($this->getParam('ctype') === 'document') {
            $this->element = Document::getById((int) $this->getParam('cid', 0));
        } elseif ($this->getParam('ctype') === 'asset') {
            $this->element = Asset::getById((int) $this->getParam('cid', 0));
        } elseif ($this->getParam('ctype') === 'object') {
            $this->element = ConcreteObject::getById((int) $this->getParam('cid', 0));
        }
        if (!$this->element) {
            throw new \Exception('Cannot load element' . $this->getParam('cid') . ' of type \'' . $this->getParam('ctype') . '\'');
        }
        //get the latest available version of the element -
        $this->element = $this->getLatestVersion($this->element);
        $this->element->setUserModification($this->getUser()->getId());
    }