protected function getRubricBlocks(Item $qtiItem)
 {
     $returnValue = array();
     $currentView = $this->getRequestView();
     $rubricBlocks = $qtiItem->getRubricBlocks();
     foreach ($rubricBlocks as $rubricBlock) {
         $view = $rubricBlock->attr('view');
         if (!empty($view) && in_array($currentView, $view)) {
             $returnValue[$rubricBlock->getSerial()] = $rubricBlock->toArray();
         }
     }
     return $returnValue;
 }