function views_ajax_form_wrapper

Wrapper around drupal_build_form to handle some AJAX stuff automatically. This makes some assumptions about the client.

Related topics

File

drupal/core/modules/views/includes/ajax.inc, line 94

Handles the server side AJAX interactions of Views.

Code

function views_ajax_form_wrapper($form_id, &$form_state) {

  // This won't override settings already in.
  $form_state += array(
    'rerender' => FALSE,
    'no_redirect' => !empty($form_state['ajax']),
    'no_cache' => TRUE,
    'build_info' => array(
      'args' => array(),
    ),
  );
  $form = drupal_build_form($form_id, $form_state);
  $output = drupal_render($form);

  // These forms have the title built in, so set the title here:
  if (empty($form_state['ajax']) && !empty($form_state['title'])) {
    drupal_set_title($form_state['title']);
    drupal_add_css(drupal_get_path('module', 'views_ui') . '/css/views_ui.admin.css');
  }
  if (!empty($form_state['ajax']) && (empty($form_state['executed']) || !empty($form_state['rerender']))) {

    // If the form didn't execute and we're using ajax, build up a
    // Ajax command list to execute.
    $response = new AjaxResponse();
    $display = '';
    $status_messages = array(
      '#theme' => 'status_messages',
    );
    if ($messages = drupal_render($status_messages)) {
      $display = '<div class="views-messages">' . $messages . '</div>';
    }
    $display .= $output;
    $title = empty($form_state['title']) ? '' : $form_state['title'];
    $url = empty($form_state['url']) ? url(current_path(), array(
      'absolute' => TRUE,
    )) : $form_state['url'];
    $response
      ->addCommand(new SetFormCommand($display, $title, $url));
    if (!empty($form_state['#section'])) {
      $response
        ->addCommand(new HighlightCommand('.' . drupal_clean_css_identifier($form_state['#section'])));
    }
    return $response;
  }

  // These forms have the title built in, so set the title here:
  if (empty($form_state['ajax']) && !empty($form_state['title'])) {
    drupal_set_title($form_state['title']);
  }
  return $output;
}