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

Related topics

File

includes/ajax.inc, line 104

ajax.inc

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']),
  );

  $output = drupal_build_form($form_id, $form_state);
  if (!empty($form_state['ajax']) && empty($form_state['executed'])) {
    // If the form didn't execute and we're using ajax, build up a
    // json command object to render.
    $object = new stdClass();
    $object->display = '';
    if ($messages = theme('status_messages')) {
      $object->display = '<div class="views-messages">' . $messages . '</div>';
    }
    $object->display .= $output;

    $object->title = empty($form_state['title']) ? '' : $form_state['title'];
    if (!empty($form_state['help_topic'])) {
      $module = !empty($form_state['help_module']) ? $form_state['help_module'] : 'views';
      $object->title = theme('advanced_help_topic', $module, $form_state['help_topic']) . $object->title;
    }
    $object->url = empty($form_state['url']) ? url($_GET['q'], array('absolute' => TRUE)) : $form_state['url'];
    $object->js = empty($form_state['js settings']) ? NULL : $form_state['js settings'];
    if (!empty($form_state['#section'])) {
      $object->hilite = '.' . views_ui_item_css($form_state['#section']);
    }

    $output = $object;
  }

  // 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;
}