public function FileMediaFormatterBase::viewElements in Drupal 10
Same name and namespace in other branches
- 8 core/modules/file/src/Plugin/Field/FieldFormatter/FileMediaFormatterBase.php \Drupal\file\Plugin\Field\FieldFormatter\FileMediaFormatterBase::viewElements()
- 9 core/modules/file/src/Plugin/Field/FieldFormatter/FileMediaFormatterBase.php \Drupal\file\Plugin\Field\FieldFormatter\FileMediaFormatterBase::viewElements()
Builds a renderable array for a field value.
Parameters
\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.
string $langcode: The language that should be used to render the field.
Return value
array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.
Overrides FormatterInterface::viewElements
File
- core/
modules/ file/ src/ Plugin/ Field/ FieldFormatter/ FileMediaFormatterBase.php, line 114
Class
- FileMediaFormatterBase
- Base class for media file formatter.
Namespace
Drupal\file\Plugin\Field\FieldFormatterCode
public function viewElements(FieldItemListInterface $items, $langcode) {
$elements = [];
$source_files = $this
->getSourceFiles($items, $langcode);
if (empty($source_files)) {
return $elements;
}
$attributes = $this
->prepareAttributes();
foreach ($source_files as $delta => $files) {
$elements[$delta] = [
'#theme' => $this
->getPluginId(),
'#attributes' => $attributes,
'#files' => $files,
'#cache' => [
'tags' => [],
],
];
$cache_tags = [];
foreach ($files as $file) {
$cache_tags = Cache::mergeTags($cache_tags, $file['file']
->getCacheTags());
}
$elements[$delta]['#cache']['tags'] = $cache_tags;
}
return $elements;
}