protected function isInputScreenStandalone($metaModel)
    {
        $information = $this->information[$metaModel];
        $inputScreen = isset($information[self::INPUTSCREEN]) ? $information[self::INPUTSCREEN] : null;
        if (!is_object($inputScreen)) {
            return ($inputScreen['row']['rendertype'] == 'standalone');
        }

        /** @var IInputScreen $inputScreen */
        return $inputScreen->isStandalone();
    }