public function getId($suffix = null)
    {
        $id = 'field';
        if ($this->arrayName) {
            $id .= '-'.$this->arrayName;
        }

        $id .= '-'.$this->fieldName;

        if ($suffix) {
            $id .= '-'.$suffix;
        }

        if ($this->idPrefix) {
            $id = $this->idPrefix . '-' . $id;
        }

        return HtmlHelper::nameToId($id);
    }