/**
  *
  */
 function setWikiPerms()
 {
     global $feedback;
     $w = new PHPWiki($this->gid);
     if ($_POST['reset']) {
         $ret = $w->resetPermissions();
     } else {
         $ret = $w->setPermissions($_POST['ugroups']);
     }
     if (!$ret) {
         exit_error($GLOBALS['Language']->getText('global', 'error'), $GLOBALS['Language']->getText('plugin_phpwiki_actions_wikiserviceadmin', 'update_perm_err', array($feedback)));
     }
     $event_manager = EventManager::instance();
     $event_manager->processEvent("plugin_phpwiki_service_permissions_updated", array('group_id' => $this->gid));
 }