/**
* @param FormInterface $form
* @return string
*/
private function renderHeader($form)
{
if (!$form->getLabel()) {
return '';
}
$helper = $this->getLabelHelper();
if ($helper instanceof TranslatorAwareInterface) {
$rollbackTextDomain = $helper->getTranslatorTextDomain();
if (($textDomain = $form->getOption(FormRow::TEXT_DOMAIN)) && $rollbackTextDomain === FormRow::DEFAULT_TEXT_DOMAIN) {
$helper->setTranslatorTextDomain($textDomain);
}
}
$markup = $helper($form);
if (isset($rollbackTextDomain)) {
$helper->setTranslatorTextDomain($rollbackTextDomain);
}
return $markup;
}
