private function getHardcodedMetadata($project_id)
 {
     $this->metadata_factory->setRealGroupId($project_id);
     return $this->metadata_factory->getHardCodedMetadataList();
 }
 /**
  * Returns the (used) metadata of the given project 
  */
 function getProjectMetadata()
 {
     $request =& $this->_controler->request;
     $groupId = $request->get('group_id');
     $metadataFactory = new Docman_MetadataFactory($groupId);
     $metadataList = array_merge($metadataFactory->getRealMetadataList(true), $metadataFactory->getHardCodedMetadataList(true));
     $this->_controler->_viewParams['action_result'] = $metadataList;
 }