protected function validateEditCollectionItem()
    {
        $this->setSubmitted('collection_item');
        $this->setSubmittedBool('status');
        $this->setSubmitted('update', $this->data_collection_item);
        $this->setSubmitted('collection_id', $this->data_collection['collection_id']);

        $this->validateComponent('collection_item');
        return !$this->hasErrors();
    }