class FileSize

Formatter that shows the file size in a human readable way.

Plugin annotation

@FieldFormatter(
  id = "file_size",
  label = @Translation("File size"),
  field_types = {
    "integer"
  }
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements \Drupal\Component\Plugin\PluginInspectionInterface, \Drupal\Component\Plugin\DerivativeInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Messenger\MessengerTrait extends \Drupal\Component\Plugin\PluginBase
    • class \Drupal\Core\Field\PluginSettingsBase implements \Drupal\Core\Field\PluginSettingsInterface, \Drupal\Component\Plugin\DependentPluginInterface extends \Drupal\Core\Plugin\PluginBase
      • class \Drupal\Core\Field\FormatterBase implements \Drupal\Core\Field\FormatterInterface, \Drupal\Core\Plugin\ContainerFactoryPluginInterface extends \Drupal\Core\Field\PluginSettingsBase
        • class \Drupal\file\Plugin\Field\FieldFormatter\FileSize extends \Drupal\Core\Field\FormatterBase

Expanded class hierarchy of FileSize

File

core/modules/file/src/Plugin/Field/FieldFormatter/FileSize.php, line 20

Namespace

class FileSize extends FormatterBase {
  
  /**
   * {@inheritdoc}
   */
  public static function isApplicable(FieldDefinitionInterface $field_definition) {
    return parent::isApplicable($field_definition) && $field_definition->getName() === 'filesize';
  }
  
  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];
    foreach ($items as $delta => $item) {
      $elements[$delta] = [
        '#markup' => format_size($item->value),
      ];
    }
    return $elements;
  }

}