public function AnalyticsFormatter::viewInstantArticle in Facebook Instant Articles 8.2

Same name and namespace in other branches

1. 3.x src/Plugin/Field/FieldFormatter/AnalyticsFormatter.php \Drupal\fb_instant_articles\Plugin\Field\FieldFormatter\AnalyticsFormatter::viewInstantArticle()

Modifies the given instant article with the contents of this field.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

\Facebook\InstantArticles\Elements\InstantArticle $article: Instant article object to modify, rendering the contents of this field into it.

string $region: The Instant Article region name that the contents of this field should be rendered into.

\Symfony\Component\Serializer\Normalizer\NormalizerInterface $normalizer: Normalizer in case the formatter needs to recursively normalize, eg. in the case of a entity reference field.

string $langcode: (optional) The language that should be used to render the field. Defaults to the current content language.

Overrides InstantArticleFormatterInterface::viewInstantArticle

File

src/Plugin/Field/FieldFormatter/AnalyticsFormatter.php, line 66

Class

AnalyticsFormatter

Plugin implementation of the 'fbia_analytics' formatter.

Namespace

Drupal\fb_instant_articles\Plugin\Field\FieldFormatter

Code

public function viewInstantArticle(FieldItemListInterface $items, InstantArticle $article, $region, NormalizerInterface $normalizer, $langcode = NULL) {
  foreach ($items as $delta => $item) {

    // Create the analytics object according to the field settings.
    $analytics = Analytics::create();
    if ($this
      ->getSetting('source_type') === self::SOURCE_TYPE_HTML) {
      $analytics
        ->withHTML($this
        ->getItemValue($item));
    }
    else {
      $analytics
        ->withSource($this
        ->getItemValue($item));
    }

    // Ad the ad to the body regardless of the region requests. The analytics
    // element is only allowed in the body.
    $article
      ->addChild($analytics);
  }
}