Backend\Form\Type\EditorType::configureOptions PHP Метод

    public function configureOptions(OptionsResolver $optionsResolver)
    {
        $optionsResolver->setDefaults(['attr' => ['class' => 'inputEditor']]);
        if (!Model::has('header')) {
            return;
        }
        // add the needed javascript to the header;
        $header = Model::get('header');
        // we add JS because we need CKEditor
        $header->addJS('ckeditor/ckeditor.js', 'Core', false);
        $header->addJS('ckeditor/adapters/jquery.js', 'Core', false);
        $header->addJS('ckfinder/ckfinder.js', 'Core', false);
        // add the internal link lists-file
        if (is_file(FRONTEND_CACHE_PATH . '/Navigation/editor_link_list_' . Language::getWorkingLanguage() . '.js')) {
            $timestamp = @filemtime(FRONTEND_CACHE_PATH . '/Navigation/editor_link_list_' . Language::getWorkingLanguage() . '.js');
            $header->addJS('/src/Frontend/Cache/Navigation/editor_link_list_' . Language::getWorkingLanguage() . '.js?m=' . $timestamp, null, false, true, false);
        }
    }