/**
* Tests the form cache without a logged-in user.
*/
function testNoCacheToken()
{
$this->container->set('current_user', new UserSession(array('uid' => 0)));
$this->form_state['example'] = $this->randomMachineName();
form_set_cache($this->form_build_id, $this->form, $this->form_state);
$cached_form_state = new FormState();
$cached_form = form_get_cache($this->form_build_id, $cached_form_state);
$this->assertEqual($this->form['#property'], $cached_form['#property']);
$this->assertTrue(empty($cached_form['#cache_token']), 'Form has no cache token');
$this->assertEqual($this->form_state['example'], $cached_form_state['example']);
}
/**
* (AHAH) return modified form to cache after handling AHAH request
*/
protected function storeFormInCache($form, &$form_state)
{
$fbid = $this->getFormBuildId();
form_set_cache($fbid, $form, $form_state);
}
/**
* Add virtual interface
*
* URL: http://guifi.net/guifi/js/add-vinterface
*/
function guifi_ahah_add_vinterface($iClass)
{
$iClass = arg(3);
$edit = $_POST;
$vinterfaces =& $_POST[arg(3)];
guifi_log(GUIFILOG_TRACE, 'guifi_ahah_add_vinterface(iClass)', arg(3));
guifi_log(GUIFILOG_TRACE, 'guifi_ahah_add_vinterface(vinterfaces)', $vinterfaces);
// Build our new form element.
$newI['new'] = TRUE;
// $newI['interface_type'] = $iClass.$delta;
$delta = count($vinterfaces);
$newI['id'] = $delta;
$newI['interface_id'] = $delta;
$edit[$iClass][] = $newI;
foreach ($edit[$iClass] as $k => $value) {
guifi_log(GUIFILOG_TRACE, 'guifi_ahah_add_vinterface(iname)', $value);
if (!empty($value[iname])) {
$edit[$iClass][$k][interface_type] = $value[iname];
}
}
guifi_log(GUIFILOG_TRACE, 'guifi_ahah_add_vinterface(newI)', $newI);
$form_element = guifi_vinterfaces_form($iClass, $edit);
// guifi_vinterface_form($iClass,$newI,!$delta,guifi_get_currentInterfaces($_POST));
// drupal_alter('form', $form_element, array(), 'guifi_ahah_add_interface');
// Build the new form.
$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 elements 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);
$choice_form = $form[$iClass];
$form_element['#weight'] = $choice_form['#weight'];
$form_element['#collapsed'] = false;
$form[$iClass] = $form_element;
form_set_cache($form_build_id, $form, $form_state);
$form += array('#post' => $_POST, '#programmed' => FALSE);
// Rebuild the old form.
$form = form_builder('guifi_device_form', $form, $form_state);
// Render the new output.
$choice_form = $form[$iClass];
unset($choice_form['#prefix'], $choice_form['#suffix']);
// Prevent duplicate wrappers.
// unset($choice_form[$delta]);
// build new form
// $fs = array();
// $form_element['#post'] = array();
// $form_element = form_builder($form_element['form_id']['#value'] , $form_element, $fs);
// $newfield = drupal_render($form_element);
// guifi_log(GUIFILOG_BASIC,sprintf('choice_form %d',$delta),htmlspecialchars($newfield));
// guifi_log(GUIFILOG_BASIC,'guifi_ahah_add_vinterface(choice_form)',$choice_form);
$output = theme('status_messages') . drupal_render($choice_form) . $newfield;
drupal_json(array('status' => TRUE, 'data' => $output));
exit;
}
/**
* This is a re-implementation of drupal_get_form, which returns the form_build_id along with the rendred form
*/
function _nodereferrer_create_get_form($form_id)
{
$form_state = array('storage' => NULL, 'submitted' => FALSE);
$args = func_get_args();
$cacheable = FALSE;
if (isset($_SESSION['batch_form_state'])) {
// We've been redirected here after a batch processing : the form has
// already been processed, so we grab the post-process $form_state value
// and move on to form display. See _batch_finished() function.
$form_state = $_SESSION['batch_form_state'];
unset($_SESSION['batch_form_state']);
} else {
// If the incoming $_POST contains a form_build_id, we'll check the
// cache for a copy of the form in question. If it's there, we don't
// have to rebuild the form to proceed. In addition, if there is stored
// form_state data from a previous step, we'll retrieve it so it can
// be passed on to the form processing code.
if (isset($_POST['form_id']) && $_POST['form_id'] == $form_id && !empty($_POST['form_build_id'])) {
$form = form_get_cache($_POST['form_build_id'], $form_state);
}
// If the previous bit of code didn't result in a populated $form
// object, we're hitting the form for the first time and we need
// to build it from scratch.
if (!isset($form)) {
$form_state['post'] = $_POST;
// Use a copy of the function's arguments for manipulation
$args_temp = $args;
$args_temp[0] =& $form_state;
array_unshift($args_temp, $form_id);
$form = call_user_func_array('drupal_retrieve_form', $args_temp);
$form_build_id = 'form-' . md5(mt_rand());
$form['#build_id'] = $form_build_id;
drupal_prepare_form($form_id, $form, $form_state);
// Store a copy of the unprocessed form for caching and indicate that it
// is cacheable if #cache will be set.
$original_form = $form;
$cacheable = TRUE;
unset($form_state['post']);
}
$form['#post'] = $_POST;
// Now that we know we have a form, we'll process it (validating,
// submitting, and handling the results returned by its submission
// handlers. Submit handlers accumulate data in the form_state by
// altering the $form_state variable, which is passed into them by
// reference.
drupal_process_form($form_id, $form, $form_state);
if ($cacheable && !empty($form['#cache'])) {
// Caching is done past drupal_process_form so #process callbacks can
// set #cache. By not sending the form state, we avoid storing
// $form_state['storage'].
form_set_cache($form_build_id, $original_form, NULL);
}
}
// Most simple, single-step forms will be finished by this point --
// drupal_process_form() usually redirects to another page (or to
// a 'fresh' copy of the form) once processing is complete. If one
// of the form's handlers has set $form_state['redirect'] to FALSE,
// the form will simply be re-rendered with the values still in its
// fields.
//
// If $form_state['storage'] or $form_state['rebuild'] have been
// set by any submit or validate handlers, however, we know that
// we're in a complex multi-part process of some sort and the form's
// workflow is NOT complete. We need to construct a fresh copy of
// the form, passing in the latest $form_state in addition to any
// other variables passed into drupal_get_form().
if (!empty($form_state['rebuild']) || !empty($form_state['storage'])) {
$form = drupal_rebuild_form($form_id, $form_state, $args);
}
// If we haven't redirected to a new location by now, we want to
// render whatever form array is currently in hand.
return array('form_build_id' => $form['#build_id'], 'form' => drupal_render_form($form_id, $form));
}
