FieldCollectionItemsFormatter.php in Field collection 8

Namespace

Drupal\field_collection\Plugin\Field\FieldFormatter

File

src/Plugin/Field/FieldFormatter/FieldCollectionItemsFormatter.php

<?php

namespace Drupal\field_collection\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FormatterBase;
use Drupal\Core\Field\FieldItemListInterface;

/**
 * Plugin implementation of the 'field_collection_items' formatter.
 *
 * @FieldFormatter(
 *   id = "field_collection_items",
 *   label = @Translation("Field Collection Items"),
 *   field_types = {
 *     "field_collection"
 *   },
 * )
 */
class FieldCollectionItemsFormatter extends FormatterBase {

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $render_items = [];
    foreach ($items as $delta => $item) {
      if ($item->value !== NULL) {
        $render_item = \Drupal::entityTypeManager()
          ->getViewBuilder('field_collection_item')
          ->view($item
          ->getFieldCollectionItem());
        $builder = $render_item['#pre_render'][0][0];
        unset($render_item['#pre_render']);
        $render_items[] = $builder
          ->build($render_item);
      }
    }
    return $render_items;
  }

}

Classes

Name	Description
FieldCollectionItemsFormatter	Plugin implementation of the 'field_collection_items' formatter.