/**
* Processes differed.
*
* @param \Symfony\Component\Form\FormInterface $form The form.
* @param string $differed The differed form name.
* @param string $position The position (before|after).
*
* @throws \Ivory\OrderedForm\Exception\OrderedConfigurationException If the differed form does not exist.
*/
protected function processDiffered(FormInterface $form, $differed, $position)
{
if (!$form->getParent()->has($differed)) {
throw OrderedConfigurationException::createInvalidDiffered($form->getName(), $position, $differed);
}
$this->differed[$position][$differed][] = $form;
$name = $form->getName();
$this->detectCircularDiffered($name, $position);
$this->detectedSymmetricDiffered($name, $differed, $position);
}
