View source
<?php
namespace Drupal\fb_instant_articles\Plugin\Field\FieldFormatter;
use Drupal\Core\Entity\EntityDisplayRepositoryInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\fb_instant_articles\Plugin\Field\InstantArticleFormatterInterface;
use Facebook\InstantArticles\Elements\InstantArticle;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
class EntityReferenceEntityFormatter extends EntityReferenceFormatterBase implements InstantArticleFormatterInterface, ContainerFactoryPluginInterface {
protected $entityDisplayRepository;
public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, EntityDisplayRepositoryInterface $entity_display_repository) {
parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
$this->entityDisplayRepository = $entity_display_repository;
}
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['label'], $configuration['view_mode'], $configuration['third_party_settings'], $container
->get('entity_display.repository'));
}
public static function defaultSettings() {
return [
'view_mode' => 'default',
] + parent::defaultSettings();
}
public function settingsForm(array $form, FormStateInterface $form_state) {
$elements['view_mode'] = [
'#type' => 'select',
'#options' => $this->entityDisplayRepository
->getViewModeOptions($this
->getFieldSetting('target_type')),
'#title' => $this
->t('View mode'),
'#default_value' => $this
->getSetting('view_mode'),
'#required' => TRUE,
];
return $elements;
}
public function settingsSummary() {
$summary = [];
$view_modes = $this->entityDisplayRepository
->getViewModeOptions($this
->getFieldSetting('target_type'));
$view_mode = $this
->getSetting('view_mode');
$summary[] = $this
->t('Rendered as @mode', [
'@mode' => isset($view_modes[$view_mode]) ? $view_modes[$view_mode] : $view_mode,
]);
return $summary;
}
public function viewElements(FieldItemListInterface $items, $langcode) {
return [];
}
public function viewInstantArticle(FieldItemListInterface $items, InstantArticle $article, $region, NormalizerInterface $normalizer, $langcode = NULL) {
$this
->prepareView([
$items
->getEntity()
->id() => $items,
]);
$view_mode = $this
->getSetting('view_mode');
foreach ($this
->getEntitiesToView($items, $langcode) as $entity) {
$normalizer
->normalize($entity, 'fbia', [
'instant_article' => $article,
'view_mode' => $view_mode,
]);
}
}
}