public function AlbumImageFormatter::viewElements in Open Social 10.3.x

Same name and namespace in other branches

1. 10.0.x modules/social_features/social_post/modules/social_post_album/src/Plugin/Field/FieldFormatter/AlbumImageFormatter.php \Drupal\social_post_album\Plugin\Field\FieldFormatter\AlbumImageFormatter::viewElements()
2. 10.1.x modules/social_features/social_post/modules/social_post_album/src/Plugin/Field/FieldFormatter/AlbumImageFormatter.php \Drupal\social_post_album\Plugin\Field\FieldFormatter\AlbumImageFormatter::viewElements()
3. 10.2.x modules/social_features/social_post/modules/social_post_album/src/Plugin/Field/FieldFormatter/AlbumImageFormatter.php \Drupal\social_post_album\Plugin\Field\FieldFormatter\AlbumImageFormatter::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 ImageFormatter::viewElements

File

modules/social_features/social_post/modules/social_post_album/src/Plugin/Field/FieldFormatter/AlbumImageFormatter.php, line 32

Class

AlbumImageFormatter

Plugin implementation of the 'album_image' formatter.

Namespace

Drupal\social_post_album\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {

  // Grab all elements from the parent view.
  $elements = parent::viewElements($items, $langcode);
  if (!$items
    ->isEmpty()) {

    // If it's only one, we can safely return without updating image styles.
    if ($items
      ->count() === 1) {
      return $elements;
    }

    // If it's more than one, lets remove it after we hit our limit,
    // and render them using a different image style to make sure they are
    // square in size and multiple can fit together in the post view.
    foreach (array_reverse($this
      ->getEntitiesToView($items, $langcode)) as $delta => $file) {
      $elements[$delta]['#image_style'] = 'social_x_large';
      if (self::LIMIT < $delta) {
        unset($elements[$delta]);
      }
    }
  }

  // Return all updated elements with a max of self::LIMIT.
  return $elements;
}