function GenericFileFormatter::viewElements

Overrides FormatterInterface::viewElements

File

core/modules/file/src/Plugin/Field/FieldFormatter/GenericFileFormatter.php, line 24

Class

GenericFileFormatter

Plugin implementation of the 'file_default' formatter.

Namespace

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];
    foreach ($this->getEntitiesToView($items, $langcode) as $delta => $file) {
        $item = $file->_referringItem;
        $elements[$delta] = [
            '#theme' => 'file_link',
            '#file' => $file,
            '#description' => $this->getSetting('use_description_as_link_text') ? $item->description : NULL,
            '#cache' => [
                'tags' => $file->getCacheTags(),
            ],
        ];
        // Pass field item attributes to the theme function.
        if (isset($item->_attributes)) {
            $elements[$delta] += [
                '#attributes' => [],
            ];
            $elements[$delta]['#attributes'] += $item->_attributes;
            // Unset field item attributes since they have been included in the
            // formatter output and should not be rendered in the field template.
            unset($item->_attributes);
        }
    }
    return $elements;
}