public function AmpImageCarousel::viewElements in Accelerated Mobile Pages (AMP) 8.3

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

src/Plugin/Field/FieldFormatter/AmpImageCarousel.php, line 109

Class

AmpImageCarousel

Plugin implementation of the 'amp_image_carousel' formatter.

Namespace

Drupal\amp\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode = NULL) {
  $elements = [];
  $elements['#items'] = parent::viewElements($items, $langcode);
  $layout = $this
    ->getSetting('layout');
  $width = $this
    ->validWidth($this
    ->getSetting('width'), $this
    ->getSetting('layout'));
  $height = $this
    ->validHeight($this
    ->getSetting('height'), $this
    ->getSetting('layout'));
  foreach ($elements['#items'] as $delta => $item) {
    $elements['#items'][$delta]['#item_attributes']['layout'] = $layout;
    $elements['#items'][$delta]['#item_attributes']['width'] = $width;
    $elements['#items'][$delta]['#item_attributes']['height'] = $height;
    $elements['#items'][$delta]['#item_attributes'] = array_filter($elements['#items'][$delta]['#item_attributes']);
    $elements['#items'][$delta]['#item_attributes']['loading'] = FALSE;
  }
  $elements['#attributes']['type'] = $this
    ->getSetting('type');
  $elements['#attributes']['layout'] = $layout;
  $elements['#attributes']['width'] = $width;
  $elements['#attributes']['height'] = $height;
  $elements['#attributes']['controls'] = $this
    ->getSetting('controls');
  $elements['#attributes']['loop'] = $this
    ->getSetting('loop');
  $elements['#attributes'] = array_filter($elements['#attributes']);
  $elements['#theme'] = 'amp_image_carousel';
  $elements['#attached']['library'] = $this
    ->getLibraries();
  return $elements;
}