public function FieldItemListNormalizer::normalize in Facebook Instant Articles 3.x
Same name and namespace in other branches
- 8.2 src/Normalizer/FieldItemListNormalizer.php \Drupal\fb_instant_articles\Normalizer\FieldItemListNormalizer::normalize()
File
- src/
Normalizer/ FieldItemListNormalizer.php, line 59
Class
- FieldItemListNormalizer
- Normalize FieldItemList object into an Instant Article object.
Namespace
Drupal\fb_instant_articles\NormalizerCode
public function normalize($object, $format = NULL, array $context = []) {
/** @var \Drupal\Core\Field\FieldItemListInterface $object */
if (!isset($context['instant_article'])) {
return;
}
/** @var \Facebook\InstantArticles\Elements\InstantArticle $article */
$article = $context['instant_article'];
// If we're given an entity_view_display object as context, use that as a
// mapping to guide the normalization.
if (isset($context['entity_view_display'])) {
/** @var \Drupal\Core\Entity\Entity\EntityViewDisplay $display */
$display = $context['entity_view_display'];
$formatter = $display
->getRenderer($object
->getName());
$component = $display
->getComponent($object
->getName());
if ($formatter instanceof InstantArticleFormatterInterface) {
$formatter
->viewInstantArticle($object, $article, $component['region'], $this->serializer);
}
elseif ($formatter instanceof FormatterInterface) {
$formatter
->prepareView([
$object
->getEntity()
->id() => $object,
]);
$render_array = $formatter
->view($object);
if ($markup = (string) $this->renderer
->renderPlain($render_array)) {
// Determine correct context for transformation.
$transformer_context = $article;
if ($component['region'] === Regions::REGION_HEADER) {
$header = $article
->getHeader();
if (!$header) {
$header = Header::create();
$article
->withHeader($header);
}
$transformer_context = $header;
}
elseif ($component['region'] === Regions::REGION_FOOTER) {
$footer = $article
->getFooter();
if (!$footer) {
$footer = Footer::create();
$article
->withFooter($footer);
}
$transformer_context = $footer;
}
// Region-aware transformation of rendered markup.
// Pass the markup through the Transformer.
$transformer = $this->transformerFactory
->getTransformer();
$transformer
->transformString($transformer_context, $markup);
$this->transformerFactory
->flushTransformerLogs($transformer);
}
}
}
}