public function CopyrightFormatter::viewInstantArticle in Facebook Instant Articles 8.2
Same name and namespace in other branches
- 3.x src/Plugin/Field/FieldFormatter/CopyrightFormatter.php \Drupal\fb_instant_articles\Plugin\Field\FieldFormatter\CopyrightFormatter::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/ CopyrightFormatter.php, line 27
Class
- CopyrightFormatter
- Plugin implementation of the 'fbia_copyright' formatter.
Namespace
Drupal\fb_instant_articles\Plugin\Field\FieldFormatterCode
public function viewInstantArticle(FieldItemListInterface $items, InstantArticle $article, $region, NormalizerInterface $normalizer, $langcode = NULL) {
foreach ($items as $delta => $item) {
// Copyright can only go in the footer, put it there and ignore the given
// $region.
$footer = $article
->getFooter();
if (!$footer) {
$footer = Footer::create();
$article
->withFooter($footer);
}
// The instant article only takes a single value for copyright. If a value
// is already set, append to it. Note that the value might also be an
// object of type Small, in which case we can't append to it, so we just
// replace it with a string.
$copyright = $footer
->getCopyright();
if (is_string($copyright)) {
$copyright .= ' ' . $item->value;
}
else {
$copyright = $item->value;
}
$footer
->withCopyright($copyright);
}
}