FieldCollectionEditableFormatter.php in Field collection 8

Namespace

Drupal\field_collection\Plugin\Field\FieldFormatter

File

src/Plugin/Field/FieldFormatter/FieldCollectionEditableFormatter.php

<?php

namespace Drupal\field_collection\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FieldItemListInterface;

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

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $count = 0;

    // TODO: Is there a better way to get an accurate count of the
    // items from the FileItemList that doesn't count blank items?
    $render_items = [];
    foreach ($items as $delta => $item) {
      if ($item->value !== NULL) {
        $count++;
        $to_render = \Drupal::entityTypeManager()
          ->getViewBuilder('field_collection_item')
          ->view($item
          ->getFieldCollectionItem());
        $to_render['#suffix'] = $this
          ->getEditLinks($item);
        $builder = $to_render['#pre_render'][0][0];
        unset($to_render['#pre_render']);
        $render_items[] = $builder
          ->build($to_render);
      }
    }
    $cardinality = $this->fieldDefinition
      ->getFieldStorageDefinition()
      ->getCardinality();
    if ($cardinality == -1 || $count < $cardinality) {
      $render_items['#suffix'] = '<ul class="action-links action-links-field-collection-add"><li>';
      $render_items['#suffix'] .= $this
        ->getAddLink($items
        ->getEntity());
      $render_items['#suffix'] .= '</li></ul>';
    }
    return $render_items;
  }

}

Classes

Name	Description
FieldCollectionEditableFormatter	Plugin implementation of the 'field_collection_editable' formatter.