public function legendFor($var)
 {
     if ($this->sdao->getVarType($var) == "uVar") {
         return User::propertyValues($this->sdao->getVarValue($var));
     } else {
         if ($this->sdao->getVarType($var) == "qVar") {
             return $this->adao->getOptionNames($this->sdao->getVarValue($var));
         }
     }
 }