Piwik\Plugins\SitesManager\Controller::displayJavascriptCode PHP Method

    function displayJavascriptCode()
    {
        $idSite = Common::getRequestVar('idSite');
        Piwik::checkUserHasViewAccess($idSite);
        $javascriptGenerator = new TrackerCodeGenerator();
        $jsTag = $javascriptGenerator->generate($idSite, SettingsPiwik::getPiwikUrl());
        $site = new Site($idSite);
        return $this->renderTemplate('displayJavascriptCode', array('idSite' => $idSite, 'displaySiteName' => $site->getName(), 'jsTag' => $jsTag));
    }