public function editCollection($collection_id = null)
    {
        $this->setCollection($collection_id);
        $this->setTitleEditCollection();
        $this->setBreadcrumbEditCollection();

        $this->setData('types', $this->collection->getTypes());
        $this->setData('collection', $this->data_collection);
        $this->setData('can_delete', $this->canDeleteCollection());
        $this->setData('languages', $this->language->getList(array('enabled' => true)));

        $this->submitEditCollection();
        $this->outputEditCollection();
    }