RelationEndpointFormatter.php in Relation 8

Contains \Drupal\relation_endpoint\Plugin\Field\FieldFormatter\RelationEndpointFormatter.

Namespace

Drupal\relation_endpoint\Plugin\Field\FieldFormatter

File

relation_endpoint/src/Plugin/Field/FieldFormatter/RelationEndpointFormatter.php

<?php

/**
 * @file
 * Contains \Drupal\relation_endpoint\Plugin\Field\FieldFormatter\RelationEndpointFormatter.
 */
namespace Drupal\relation_endpoint\Plugin\Field\FieldFormatter;

use Drupal\Component\Plugin\Exception\PluginNotFoundException;
use Drupal\Core\Field\FormatterBase;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Utility\LinkGenerator;
use Drupal\Core\Url;

/**
 * Plugin implementation of the 'link' formatter.
 *
 * @FieldFormatter(
 *   id = "relation_endpoint",
 *   label = @Translation("Endpoints table"),
 *   field_types = {
 *     "relation_endpoint"
 *   },
 *   settings = {
 *   }
 * )
 */
class RelationEndpointFormatter extends FormatterBase {

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $rows = [];
    $header = [
      [
        'data' => t('Entity type'),
      ],
      [
        'data' => t('Entity ID'),
      ],
      [
        'data' => t('Label'),
      ],
    ];
    foreach ($items as $item) {
      $t = [
        '@entity_type' => $item->entity_type,
        '@entity_id' => $item->entity_id,
      ];
      try {
        $storage_handler = \Drupal::entityTypeManager()
          ->getStorage($item->entity_type);
        if ($entity = $storage_handler
          ->load($item->entity_id)) {
          $label = $entity
            ->label();
          $label_cell['data'] = [
            '#type' => 'link',
            '#title' => !empty($label) && strlen($label) > 0 ? $label : t('Untitled', $t),
          ] + $entity
            ->toUrl()
            ->toRenderArray();
        }
        else {
          $label_cell = t('Deleted');
        }
      } catch (PluginNotFoundException $e) {
        $label_cell = t($e
          ->getMessage());
      }
      $rows[] = array(
        $item->entity_type,
        $item->entity_id,
        $label_cell,
      );
    }
    return [
      '#theme' => 'table',
      '#header' => $header,
      '#rows' => $rows,
    ];
  }

}

Classes

Name	Description
RelationEndpointFormatter	Plugin implementation of the 'link' formatter.