function display($tpl = null) { $params = JComponentHelper::getParams('com_joomdle'); if ($params->get('MOODLE_URL') == "") { echo "Joomdle is not configured yet. Please fill Moodle URL setting in Configuration"; return; } $this->system_info = JoomdleHelperContent::check_joomdle_system(); $this->addToolbar(); $this->sidebar = JHtmlSidebar::render(); parent::display($tpl); }