],
'#process' => [
[$class, 'processDatetime'],
+ [$class, 'processAjaxForm'],
[$class, 'processGroup'],
],
'#pre_render' => [
return $element;
}
+ /**
+ * {@inheritdoc}
+ */
+ public static function processAjaxForm(&$element, FormStateInterface $form_state, &$complete_form) {
+ $element = parent::processAjaxForm($element, $form_state, $complete_form);
+
+ // Copy the #ajax settings to the child elements.
+ if (isset($element['#ajax'])) {
+ if (isset($element['date'])) {
+ $element['date']['#ajax'] = $element['#ajax'];
+ }
+ if (isset($element['time'])) {
+ $element['time']['#ajax'] = $element['#ajax'];
+ }
+ }
+
+ return $element;
+ }
+
/**
* Validation callback for a datetime element.
*