public function NameFormatter::viewElements in Name Field 8

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

src/Plugin/Field/FieldFormatter/NameFormatter.php, line 280

Class

NameFormatter

Plugin implementation of the 'name' formatter.

Namespace

Drupal\name\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  if (!$items
    ->count()) {
    return $elements;
  }
  $settings = $this->settings;
  $format = isset($settings['format']) ? $settings['format'] : 'default';
  $is_multiple = $this->fieldDefinition
    ->getFieldStorageDefinition()
    ->isMultiple() && $items
    ->count() > 1;
  $list_format = $is_multiple && !empty($settings['list_format']) ? $settings['list_format'] : '';
  $extra = $this
    ->parseAdditionalComponents($items);
  $extra['url'] = empty($settings['link_target']) ? NULL : $this
    ->getLinkableTargetUrl($items);
  $item_array = [];
  foreach ($items as $item) {
    $components = $item
      ->toArray() + $extra;
    $item_array[] = $components;
  }
  $this->formatter
    ->setSetting('markup', $this
    ->getSetting('markup'));
  if ($list_format) {
    $elements[0]['#markup'] = $this->formatter
      ->formatList($item_array, $format, $list_format, $langcode);
  }
  else {
    foreach ($item_array as $delta => $item) {
      $elements[$delta]['#markup'] = $this->formatter
        ->format($item, $format, $langcode);
    }
  }
  return $elements;
}