public function renderToolbar($event)
    {
        Yii::info('LUYA CMS Toolbar rendering start', __METHOD__);
    
        $props = [];
        foreach (Yii::$app->menu->current->model->properties as $prop) {
            $o = $prop->getObject();
            $props[] = ['label' => $o->label(), 'value' => $o->getValue()];
        }
    
        $menu = Yii::$app->menu;
    
        // seo keyword frequency
        $seoAlert = 0;
        $keywords = [];
        $content = strip_tags($event->data['content']);
    
        if (empty($menu->current->description)) {
            $seoAlert++;
        }
    
        if (empty($menu->current->keywords)) {
            $seoAlert++;
        } else {
            foreach ($menu->current->keywords as $word) {
                if (preg_match_all('/' . preg_quote($word, '/') . '/i', $content, $matches)) {
                    $keywords[] = [$word, count($matches[0])];
                } else {
                    $keywords[] = [$word, 0];
                    $seoAlert++;
                }
            }
        }
        
        // As the view path can not evaluated from controller context, we have to force the viewPath trough
        // the module instance.
        // @see https://github.com/luyadev/luya/issues/1768
        $viewSourcePath = Module::getInstance()->viewPath;
        
        // echo is used in order to support cases where asset manager is not available
        echo '<style>' . $this->view->renderFile($viewSourcePath . '/inline/toolbar.css') . '</style>';
        // mabye ensure that jquery is loaded,  better put this at the End of body tag
        echo '<script>' . $this->view->renderFile($viewSourcePath . '/inline/toolbar.js') . '</script>';
    
        echo $this->view->renderFile($viewSourcePath . '/_toolbar.php', [
            'keywords' => $keywords,
            'seoAlertCount' => $seoAlert,
            'menu' => $menu,
            'composition' => Yii::$app->composition,
            'luyaTagParsing' => $event->sender->context->module->enableTagParsing,
            'properties' => $props,
            'content' => $content,
        ]);
    
        Yii::info('LUYA CMS Toolbar rendering is finished', __METHOD__);
    }