/**
* @param $collection
* @param BaseForm $form
* @return SymfonyForm
*
* Extract the collection object from the form
*/
protected function resolveCollection($collection, BaseForm $form)
{
if (null === $collection) {
throw new \InvalidArgumentException("Missing parameter 'collection' in 'form_collection");
}
$sfForm = $form->getForm();
if (!$sfForm->has($collection)) {
throw new \InvalidArgumentException(sprintf("Field name '%s' not found in form %s children", $collection, $form->getName()));
}
/**
* Check that the field is a "collection" type
*/
$collectionConfig = $this->retrieveField($collection, $sfForm->all(), $form->getName());
$fieldType = $collectionConfig->getConfig()->getType();
if ($fieldType->getName() !== static::COLLECTION_TYPE_NAME) {
$baseFieldType = $fieldType;
$resolved = false;
while (null !== $fieldType && !$resolved) {
if ($fieldType->getName() !== static::COLLECTION_TYPE_NAME) {
$fieldType = $fieldType->getParent();
}
}
if (!$resolved) {
throw new \LogicException(sprintf("The field '%s' is not a collection, it's a '%s'." . "You can't use it with the function 'form_collection' in form '%s'", $collection, $baseFieldType->getName(), $form->getName()));
}
}
return $collectionConfig;
}
public function getName()
{
return $this->form->getName();
}