/** * Return an index name based on artifact link field id * * @param Tracker_FormElementFactory $form_element_factory * * @return String */ public function getArtifactLinkFieldName(Tracker_FormElementFactory $form_element_factory) { $fields = $form_element_factory->getUsedArtifactLinkFields($this->getTracker()); if (empty($fields)) { return; } return 'art_link_' . $fields[0]->getId(); }