/**
* Build all necessary things for child form (form state, etc.).
*
* @param \Drupal\Core\Entity\EntityFormInterface $controller
* Entity form controller for child form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* Parent form state object.
* @param \Drupal\Core\Entity\EntityInterface $entity
* Entity object.
* @param string $operation
* Operation that is to be performed in inline form.
* @param array $parents
* Entity form #parents.
*
* @return \Drupal\Core\Form\FormStateInterface
* Child form state object.
*/
public static function buildChildFormState(EntityFormInterface $controller, FormStateInterface $form_state, EntityInterface $entity, $operation, $parents) {
$child_form_state = new FormState();
$child_form_state->addBuildInfo('callback_object', $controller);
$child_form_state->addBuildInfo('base_form_id', $controller->getBaseFormID());
$child_form_state->addBuildInfo('form_id', $controller->getFormID());
$child_form_state->addBuildInfo('args', array());
// Copy values to child form.
$child_form_state->setCompleteForm($form_state->getCompleteForm());
$child_form_state->setUserInput($form_state->getUserInput());
// Filter out all submitted values that are not directly relevant for this
// IEF. Otherwise they might mess things up.
$form_state_values = $form_state->getValues();
$form_state_values = static::extractArraySequence($form_state_values, $parents);
$child_form_state->setValues($form_state_values);
$child_form_state->setStorage($form_state->getStorage());
$value = \Drupal::entityTypeManager()->getStorage('entity_form_display')->load($entity->getEntityTypeId() . '.' . $entity->bundle() . '.' . $operation);
$child_form_state->set('form_display', $value);
// Since some of the submit handlers are run, redirects need to be disabled.
$child_form_state->disableRedirect();
// When a form is rebuilt after Ajax processing, its #build_id and #action
// should not change.
// @see drupal_rebuild_form()
$rebuild_info = $child_form_state->getRebuildInfo();
$rebuild_info['copy']['#build_id'] = TRUE;
$rebuild_info['copy']['#action'] = TRUE;
$child_form_state->setRebuildInfo($rebuild_info);
$child_form_state->set('inline_entity_form', $form_state->get('inline_entity_form'));
$child_form_state->set('langcode', $entity->language()->getId());
$child_form_state->set('field', $form_state->get('field'));
$child_form_state->setTriggeringElement($form_state->getTriggeringElement());
$child_form_state->setSubmitHandlers($form_state->getSubmitHandlers());
return $child_form_state;
}
/**
* Build all necessary things for child form (form state, etc.).
*
* @param \Drupal\Core\Entity\EntityFormInterface $controller
* Entity form controller for child form.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* Parent form state object.
* @param \Drupal\Core\Entity\EntityInterface $entity
* Entity object.
* @param string $operation
* Operation that is to be performed in inline form.
*
* @return \Drupal\Core\Form\FormStateInterface
* Child form state object.
*/
public static function buildChildFormState(EntityFormInterface $controller, FormStateInterface $form_state, EntityInterface $entity, $operation)
{
$child_form_state = new FormState();
$child_form_state->addBuildInfo('callback_object', $controller);
$child_form_state->addBuildInfo('base_form_id', $controller->getBaseFormID());
$child_form_state->addBuildInfo('form_id', $controller->getFormID());
$child_form_state->addBuildInfo('args', array());
// Copy values to child form.
$child_form_state->setUserInput($form_state->getUserInput());
$child_form_state->setValues($form_state->getValues());
$child_form_state->setStorage($form_state->getStorage());
$child_form_state->set('form_display', entity_get_form_display($entity->getEntityTypeId(), $entity->bundle(), $operation));
// Since some of the submit handlers are run, redirects need to be disabled.
$child_form_state->disableRedirect();
// When a form is rebuilt after Ajax processing, its #build_id and #action
// should not change.
// @see drupal_rebuild_form()
$rebuild_info = $child_form_state->getRebuildInfo();
$rebuild_info['copy']['#build_id'] = TRUE;
$rebuild_info['copy']['#action'] = TRUE;
$child_form_state->setRebuildInfo($rebuild_info);
$child_form_state->set('inline_entity_form', $form_state->get('inline_entity_form'));
$child_form_state->set('langcode', $entity->language()->getId());
$child_form_state->set('field', $form_state->get('field'));
$child_form_state->setTriggeringElement($form_state->getTriggeringElement());
$child_form_state->setSubmitHandlers($form_state->getSubmitHandlers());
return $child_form_state;
}