function FileMediaFormatterBase::viewElements
Same name in other branches
- 9 core/modules/file/src/Plugin/Field/FieldFormatter/FileMediaFormatterBase.php \Drupal\file\Plugin\Field\FieldFormatter\FileMediaFormatterBase::viewElements()
- 10 core/modules/file/src/Plugin/Field/FieldFormatter/FileMediaFormatterBase.php \Drupal\file\Plugin\Field\FieldFormatter\FileMediaFormatterBase::viewElements()
- 11.x core/modules/file/src/Plugin/Field/FieldFormatter/FileMediaFormatterBase.php \Drupal\file\Plugin\Field\FieldFormatter\FileMediaFormatterBase::viewElements()
Overrides FormatterInterface::viewElements
File
-
core/
modules/ file/ src/ Plugin/ Field/ FieldFormatter/ FileMediaFormatterBase.php, line 115
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;
}
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