function enforce_revlog_js in Enforce revision log message 6

Same name and namespace in other branches

1. 8 enforce_revlog.module \enforce_revlog_js()
2. 7 enforce_revlog.module \enforce_revlog_js()

Helper AHAH function to change the required state of the log message textarea. Allows visual feedback by the user. This function is only triggered when the right conditions are met.

1 string reference to 'enforce_revlog_js'

enforce_revlog_menu in ./enforce_revlog.module

Implementation of hook_menu().

File

./enforce_revlog.module, line 213

Allows enforcing unpriviledged users to enter a log message every time a node revision is created or reverted

Code

function enforce_revlog_js() {
  $form_state = array(
    'submitted' => FALSE,
  );
  $form_build_id = $_POST['form_build_id'];

  // Add the new element to the stored form. Without adding the element to the
  // form, Drupal is not aware of this new element's existence and will not
  // process it. We retreive the cached form, add the element, and resave.
  $form = form_get_cache($form_build_id, $form_state);

  // Switching theme function used to render the log message textarea. Will switch the "required" state.
  // We cannot use the #required property due to validation issues otherwise
  $form['revision_information']['log']['#theme'] = empty($form['revision_information']['log']['#theme']) ? 'enforce_revlog_log_message' : NULL;
  form_set_cache($form_build_id, $form, $form_state);
  $form += array(
    '#post' => $_POST,
    '#programmed' => FALSE,
  );

  // Rebuild the form.
  $form = form_builder($_POST['form_id'], $form, $form_state);

  // Render the new output.
  $new_form = $form['revision_information']['log'];
  return drupal_json(array(
    'status' => TRUE,
    'data' => drupal_render($new_form),
  ));
}