public function get_data() {
        if (!$item = parent::get_data()) {
            return false;
        }

        $itemobj = new evaluation_item_numeric();

        $num1 = str_replace($itemobj->sep_dec, EVALUATION_DECIMAL, $item->rangefrom);
        if (is_numeric($num1)) {
            $num1 = floatval($num1);
        } else {
            $num1 = '-';
        }

        $num2 = str_replace($itemobj->sep_dec, EVALUATION_DECIMAL, $item->rangeto);
        if (is_numeric($num2)) {
            $num2 = floatval($num2);
        } else {
            $num2 = '-';
        }

        if ($num1 === '-' OR $num2 === '-') {
            $item->presentation = $num1 . '|'. $num2;
            return $item;
        }

        if ($num1 > $num2) {
            $item->presentation =  $num2 . '|'. $num1;
        } else {
            $item->presentation = $num1 . '|'. $num2;
        }
        return $item;
    }
    public function get_data() {
        if (!$item = parent::get_data()) {
            return false;
        }

        $item->presentation = $item->itemsize . '|'. $item->itemmaxlength;
        return $item;
    }
    public function get_data() {
        if (!$item = parent::get_data()) {
            return false;
        }

        $item->presentation = $item->itemwidth . '|'. $item->itemheight;
        return $item;
    }
    public function get_data() {
        if (!$item = parent::get_data()) {
            return false;
        }

        $itemobj = new evaluation_item_multichoicerated();

        $presentation = $itemobj->prepare_presentation_values_save(trim($item->values),
                                                EVALUATION_MULTICHOICERATED_VALUE_SEP2,
                                                EVALUATION_MULTICHOICERATED_VALUE_SEP);
        if (!isset($item->subtype)) {
            $subtype = 'r';
        } else {
            $subtype = substr($item->subtype, 0, 1);
        }
        if (isset($item->horizontal) AND $item->horizontal == 1 AND $subtype != 'd') {
            $presentation .= EVALUATION_MULTICHOICERATED_ADJUST_SEP.'1';
        }
        $item->presentation = $subtype.EVALUATION_MULTICHOICERATED_TYPE_SEP.$presentation;
        return $item;
    }