FluidTYPO3\Flux\View\PreviewView::renderPreviewSection PHP Метод

    protected function renderPreviewSection(ProviderInterface $provider, array $row, Form $form = NULL)
    {
        $templatePathAndFilename = $provider->getTemplatePathAndFilename($row);
        if (NULL === $templatePathAndFilename) {
            return NULL;
        }
        $extensionKey = $provider->getExtensionKey($row);
        $paths = $provider->getTemplatePaths($row);
        $flexformVariables = $provider->getFlexFormValues($row);
        $templateVariables = $provider->getTemplateVariables($row);
        $variables = RecursiveArrayUtility::merge($templateVariables, $flexformVariables);
        $variables['row'] = $row;
        $variables['record'] = $row;
        if (TRUE === is_object($form)) {
            $formLabel = $form->getLabel();
            $label = LocalizationUtility::translate($formLabel, $extensionKey);
            $variables['label'] = $label;
        }
        $templatePaths = new TemplatePaths($paths);
        $viewContext = new ViewContext($templatePathAndFilename, $extensionKey, self::CONTROLLER_NAME);
        $viewContext->setTemplatePaths($templatePaths);
        $viewContext->setVariables($variables);
        $view = $this->configurationService->getPreparedExposedTemplateView($viewContext);
        $existingContentObject = $this->configurationManager->getContentObject();
        $contentObject = new ContentObjectRenderer();
        $contentObject->start($row, $provider->getTableName($row));
        $this->configurationManager->setContentObject($contentObject);
        $previewContent = $view->renderStandaloneSection(self::PREVIEW_SECTION, $variables, TRUE);
        $this->configurationManager->setContentObject($existingContentObject);
        $previewContent = trim($previewContent);
        return $previewContent;
    }