public function item_range() {
        if (empty($this->range)) {
            $this->range = new range($this->item);
        }

        return $this->range;
    }
public function item_range() {
        if (empty($this->range)) {
            $this->range = new range($this->item);
        }

        return $this->range;
    }
public function item_range ( ) { if ( empty ( $ this -> range ) ) { $ this -> range = new range ( $ this -> item ) ; } return $ this -> range ; }
Get the range ui element for this grade_item

@return element;
Get the range ui element for this grade_item