public function executeGetConceptList()
 {
     $vocabId = $this->getRequestParameter('selectedVocabularyId');
     $conceptId = sfContext::getInstance()->getUser()->getAttribute('concept')->getId();
     $results = ConceptPeer::getConceptsByVocabID($vocabId, $conceptId);
     foreach ($results as $myCconcept) {
         $options[$myCconcept->getId()] = $myCconcept->getPrefLabel();
     }
     if (!isset($options)) {
         $options[''] = 'There are no related concepts to select';
     }
     $this->concepts = $options;
 }