www.aleph1.co.uk Git - yaffs-website/blob - web/modules/contrib/paragraphs/src/Plugin/Field/FieldFormatter/ParagraphsSummaryFormatter.php

   1 <?php
   2
   3 namespace Drupal\paragraphs\Plugin\Field\FieldFormatter;
   4
   5 use Drupal\Core\Field\FieldDefinitionInterface;
   6 use Drupal\Core\Field\FieldItemListInterface;
   7 use Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase;
   8 use Drupal\paragraphs\Entity\Paragraph;
   9 use Drupal\paragraphs\ParagraphInterface;
  10
  11 /**
  12  * Plugin implementation of the 'paragraph_summary' formatter.
  13  *
  14  * @FieldFormatter(
  15  *   id = "paragraph_summary",
  16  *   label = @Translation("Paragraph summary"),
  17  *   field_types = {
  18  *     "entity_reference_revisions"
  19  *   }
  20  * )
  21  */
  22 class ParagraphsSummaryFormatter extends EntityReferenceFormatterBase {
  23
  24   /**
  25    * {@inheritdoc}
  26    */
  27   public function viewElements(FieldItemListInterface $items, $langcode) {
  28     $elements = [];
  29     foreach ($this->getEntitiesToView($items, $langcode) as $delta => $entity) {
  30       if ($entity->id()) {
  31         $elements[$delta] = [
  32           '#markup' => $entity->getSummary(),
  33         ];
  34       }
  35     }
  36
  37     return $elements;
  38   }
  39
  40   /**
  41    * {@inheritdoc}
  42    */
  43   public static function isApplicable(FieldDefinitionInterface $field_definition) {
  44     $target_type = $field_definition->getSetting('target_type');
  45     $paragraph_type = \Drupal::entityTypeManager()->getDefinition($target_type);
  46     if ($paragraph_type) {
  47       return $paragraph_type->isSubclassOf(ParagraphInterface::class);
  48     }
  49
  50     return FALSE;
  51   }
  52 }