/**
  * Sets the language placeholders in the provided template
  * @param \Cx\Core\Routing\Url $pageUrl
  * @param \Cx\Core\Html\Sigma $objTemplate
  */
 public function setLanguagePlaceholders($page, $pageUrl, $objTemplate)
 {
     $activeLanguages = \FWLanguage::getActiveFrontendLanguages();
     $node = $page->getNode();
     $placeholders = array();
     foreach ($activeLanguages as $langId => $langData) {
         $url = clone $pageUrl;
         $url->setLangDir($langData['lang']);
         if (($targetPage = $node->getPage($langId)) && $targetPage->isActive()) {
             $url->setPath(substr($targetPage->getPath(), 1));
             $link = $url->__toString();
         } else {
             $link = $url->fromModuleAndCmd('Error', '', $langId);
         }
         $placeholders['LANG_CHANGE_' . strtoupper($langData['lang'])] = $link;
         $placeholders['LANG_SELECTED_' . strtoupper($langData['lang'])] = '';
     }
     $placeholders['LANG_SELECTED_' . strtoupper($pageUrl->getLangDir())] = 'selected';
     $objTemplate->setVariable($placeholders);
 }