/**
* Return an Ajax dialog command for editing a referenced entity.
*
* @param \Drupal\Core\Entity\EntityInterface $entity
* An entity being edited.
*
* @return \Drupal\Core\Ajax\AjaxResponse
* An Ajax response with a command for opening or closing the dialog
* containing the edit form.
*/
public function entityBrowserEdit(EntityInterface $entity)
{
// Build the entity edit form.
$form_object = $this->entityManager()->getFormObject($entity->getEntityTypeId(), 'edit');
$form_object->setEntity($entity);
$form_state = (new FormState())->setFormObject($form_object)->disableRedirect();
// Building the form also submits.
$form = $this->formBuilder()->buildForm($form_object, $form_state);
// Return a response, depending on whether it's successfully submitted.
if (!$form_state->isExecuted()) {
// Return the form as a modal dialog.
$form['#attached']['library'][] = 'core/drupal.dialog.ajax';
$title = $this->t('Edit entity @entity', ['@entity' => $entity->label()]);
$response = AjaxResponse::create()->addCommand(new OpenModalDialogCommand($title, $form, ['width' => 800]));
return $response;
} else {
// Return command for closing the modal.
return AjaxResponse::create()->addCommand(new CloseModalDialogCommand());
}
}