/**
* Form submission handler for the entity selection step.
*
* On success will send the user to the next step of the form to select the
* embed display settings. On form errors, this will rebuild the form and
* display the error messages.
*
* @param array $form
* The form array.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The form state.
*
* @return \Drupal\Core\Ajax\AjaxResponse
* The ajax response.
*/
public function submitSelectStep(array &$form, FormStateInterface $form_state)
{
$response = new AjaxResponse();
// Display errors in form, if any.
if ($form_state->hasAnyErrors()) {
unset($form['#prefix'], $form['#suffix']);
$form['status_messages'] = array('#type' => 'status_messages', '#weight' => -10);
$response->addCommand(new HtmlCommand('#entity-embed-dialog-form', $form));
} else {
$form_state->set('step', !empty($this->entityBrowserSettings['display_review']) ? 'review' : 'embed');
$form_state->setRebuild(TRUE);
$rebuild_form = $this->formBuilder->rebuildForm('entity_embed_dialog', $form_state, $form);
unset($rebuild_form['#prefix'], $rebuild_form['#suffix']);
$response->addCommand(new HtmlCommand('#entity-embed-dialog-form', $rebuild_form));
}
return $response;
}
