/**
* Returns a string representation of all form errors (including children errors).
*
* This method should only be used in ajax calls.
*
* @param Form $form The form to parse
* @param bool $withChildren Do we parse the embedded forms
*
* @return string A string representation of all errors
*/
public function getRecursiveReadableErrors($form, $withChildren = true, $translationDomain = null, $level = 0)
{
$errors = '';
$translationDomain = $translationDomain ? $translationDomain : $form->getConfig()->getOption('translation_domain');
//the errors of the fields
foreach ($form->getErrors() as $error) {
//the view contains the label identifier
$view = $form->createView();
$labelId = $view->vars['label'];
//get the translated label
if ($labelId !== null) {
$label = $this->translator->trans($labelId, [], $translationDomain) . ' : ';
} else {
$label = '';
}
//in case of dev mode, we display the item that is a problem
//getCause cames in Symfony 2.5 version, this is just a fallback to avoid BC with previous versions
if ($this->debug && method_exists($error, 'getCause')) {
$cause = $error->getCause();
if ($cause !== null) {
$causePropertyPath = $cause->getPropertyPath();
$errors .= ' ' . $causePropertyPath;
}
}
//add the error
$errors .= $label . $this->translator->trans($error->getMessage(), [], $translationDomain) . "\n";
}
//do we parse the children
if ($withChildren) {
//we parse the children
foreach ($form->getIterator() as $child) {
$level++;
if ($err = $this->getRecursiveReadableErrors($child, $withChildren, $translationDomain, $level)) {
$errors .= $err;
}
}
}
return $errors;
}
public function getViewParameters(BlockInterface $block)
{
$parameters = parent::getViewParameters($block);
return array_merge($parameters, ['form' => $this->form->createView(), 'subscribed' => $this->subscribed]);
}
