public function AjaxFormTrait::ajaxCallback in Forena Reports 8
Ajax callback.
Parameters
array $form: Drupal form render array
$form_state: Drupral form state object.
Return value
\Drupal\Core\Ajax\AjaxResponse
1 call to AjaxFormTrait::ajaxCallback()
- AjaxFormTrait::submitCallback in src/Form/ AjaxFormTrait.php 
- Ajax callback handler for submit buttons.
File
- src/Form/ AjaxFormTrait.php, line 62 
Class
- AjaxFormTrait
- Class AjaxFormTrait
Namespace
Drupal\forena\FormCode
public function ajaxCallback($form, FormStateInterface $form_state) {
  $commands = $this->controller
    ->getCommands();
  $response = new AjaxResponse();
  // Make sure form error rebuilds happen.
  if ($form_state
    ->getErrors() || $form_state
    ->isRebuilding()) {
    $ctl['status_messages'] = [
      '#type' => 'status_messages',
      '#weight' => -10,
    ];
    // Array merge the status element onto the beginning of the form.
    $form = array_merge($ctl, $form);
    $section = $form_state
      ->get('e_section');
    $command = new HtmlCommand("#{$section}", $form);
    $response
      ->addCommand($command);
  }
  foreach ($commands as $command) {
    $response
      ->addCommand($command);
  }
  $this->controller
    ->saveState();
  return $response;
}