public function BlazyTestEntityReferenceFormatterTest::viewElements in Blazy 8

Same name and namespace in other branches

1. 8.2 tests/modules/blazy_test/src/Plugin/Field/FieldFormatter/BlazyTestEntityReferenceFormatterTest.php \Drupal\blazy_test\Plugin\Field\FieldFormatter\BlazyTestEntityReferenceFormatterTest::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

tests/modules/blazy_test/src/Plugin/Field/FieldFormatter/BlazyTestEntityReferenceFormatterTest.php, line 97

Class

BlazyTestEntityReferenceFormatterTest

Plugin implementation of the 'Blazy Entity Reference' formatter.

Namespace

Drupal\blazy_test\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $entities = $this
    ->getEntitiesToView($items, $langcode);

  // Early opt-out if the field is empty.
  if (empty($entities)) {
    return [];
  }

  // Collects specific settings to this formatter.
  $settings = $this
    ->buildSettings();
  $build = [
    'settings' => $settings,
  ];
  $this->formatter
    ->buildSettings($build, $items);

  // Build the elements.
  $this
    ->buildElements($build, $entities, $langcode);

  // Alternatively use grid: BlazyGrid::build($build['items'], $settings).
  $elements = $build['items'];
  $elements['#attached'] = $this->formatter
    ->attach($settings);
  return $elements;
}