function advpoll_js_more_choices in Advanced Poll 6

Same name and namespace in other branches

1. 6.3 advpoll.module \advpoll_js_more_choices()
2. 6.2 advpoll.module \advpoll_js_more_choices()

AHAH handling of the more choices button.

Based on http://drupal.org/node/331941

1 string reference to 'advpoll_js_more_choices'

advpoll_menu in ./advpoll.module

Implementation of hook_menu().

File

./advpoll.module, line 1671

Advanced Poll - a sophisticated polling module for voting, elections, and group decision-making.

Code

function advpoll_js_more_choices() {

  // We're starting in step #3, preparing for #4.
  $form_state = array(
    'storage' => NULL,
    'submitted' => FALSE,
  );
  $form_build_id = $_POST['form_build_id'];

  // Step #4.
  $form = form_get_cache($form_build_id, $form_state);

  // Preparing for #5.
  $args = $form['#parameters'];
  $form_id = array_shift($args);
  $form_state['post'] = $form['#post'] = $_POST;
  $form['#programmed'] = $form['#redirect'] = FALSE;

  // Step #5.
  drupal_process_form($form_id, $form, $form_state);

  // Step #6 and #7 and #8.
  $form = drupal_rebuild_form($form_id, $form_state, $args, $form_build_id);

  // Step #9.
  $choice_form = $form['choice_wrapper']['choice'];
  unset($choice_form['#prefix'], $choice_form['#suffix']);
  $output = theme('status_messages') . drupal_render($choice_form);

  // Final rendering callback.
  drupal_json(array(
    'status' => TRUE,
    'data' => $output,
  ));
}