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class AuthorReferenceFormatter in Facebook Instant Articles 3.x

Same name and namespace in other branches
  1. 8.2 src/Plugin/Field/FieldFormatter/AuthorReferenceFormatter.php \Drupal\fb_instant_articles\Plugin\Field\FieldFormatter\AuthorReferenceFormatter

Plugin implementation of the 'fbia_author_reference' formatter.

Plugin annotation


@FieldFormatter(
  id = "fbia_author_reference",
  label = @Translation("FBIA Author"),
  field_types = {
    "entity_reference"
  }
)

Hierarchy

Expanded class hierarchy of AuthorReferenceFormatter

File

src/Plugin/Field/FieldFormatter/AuthorReferenceFormatter.php, line 25

Namespace

Drupal\fb_instant_articles\Plugin\Field\FieldFormatter
View source 
class AuthorReferenceFormatter extends DrupalAuthorFormatter implements InstantArticleFormatterInterface {

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'link' => TRUE,
    ] + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $elements['link'] = [
      '#title' => t('Link author to the referenced entity'),
      '#type' => 'checkbox',
      '#default_value' => $this
        ->getSetting('link'),
    ];
    return $elements;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = [];
    $summary[] = $this
      ->getSetting('link') ? t('Link to the referenced entity') : t('No link');
    return $summary;
  }

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

    // Do nothing. Our field formatters are unique in that they are not meant
    // to generate HTML on their own, but only signal to the Serialization API
    // the fate of this field in the FBIA document.
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function viewInstantArticle(FieldItemListInterface $items, InstantArticle $article, $region, NormalizerInterface $normalizer, $langcode = NULL) {

    // Need to call parent::prepareView() to populate the entities since it's
    // not otherwise getting called.
    $this
      ->prepareView([
      $items
        ->getEntity()
        ->id() => $items,
    ]);

    /* @var \Drupal\user\UserInterface $entity */
    foreach ($this
      ->getEntitiesToView($items, $langcode) as $delta => $entity) {
      $author = Author::create()
        ->withName($entity
        ->getDisplayName());
      if ($this
        ->getSetting('link')) {
        $author
          ->withURL($entity
          ->toUrl('canonical', [
          'absolute' => TRUE,
        ])
          ->toString());
      }

      // Author's are added to the header of an instant article regardless of
      // the given $region.
      $header = $article
        ->getHeader();
      if (!$header) {
        $header = Header::create();
      }
      $header
        ->addAuthor($author);
    }
  }

}

Members

Namesort descending Modifiers Type Description Overrides
AuthorFormatter::checkAccess protected function Checks access to the given entity. Overrides EntityReferenceFormatterBase::checkAccess
AuthorFormatter::isApplicable public static function Returns if the formatter can be used for the provided field. Overrides FormatterBase::isApplicable
AuthorReferenceFormatter::defaultSettings public static function Defines the default settings for this plugin. Overrides PluginSettingsBase::defaultSettings
AuthorReferenceFormatter::settingsForm public function Returns a form to configure settings for the formatter. Overrides FormatterBase::settingsForm
AuthorReferenceFormatter::settingsSummary public function Returns a short summary for the current formatter settings. Overrides FormatterBase::settingsSummary
AuthorReferenceFormatter::viewElements public function Builds a renderable array for a field value. Overrides AuthorFormatter::viewElements
AuthorReferenceFormatter::viewInstantArticle public function Modifies the given instant article with the contents of this field. Overrides InstantArticleFormatterInterface::viewInstantArticle
DependencySerializationTrait::$_entityStorages protected property
DependencySerializationTrait::$_serviceIds protected property
DependencySerializationTrait::__sleep public function 2
DependencySerializationTrait::__wakeup public function 2
EntityReferenceFormatterBase::getEntitiesToView protected function Returns the referenced entities for display. 1
EntityReferenceFormatterBase::needsEntityLoad protected function Returns whether the entity referenced by an item needs to be loaded. 1
EntityReferenceFormatterBase::prepareView public function Loads the entities referenced in that field across all the entities being viewed. Overrides FormatterBase::prepareView
EntityReferenceFormatterBase::view public function Overrides FormatterBase::view
FormatterBase::$fieldDefinition protected property The field definition.
FormatterBase::$label protected property The label display setting.
FormatterBase::$settings protected property The formatter settings. Overrides PluginSettingsBase::$settings
FormatterBase::$viewMode protected property The view mode.
FormatterBase::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 12
FormatterBase::getFieldSetting protected function Returns the value of a field setting.
FormatterBase::getFieldSettings protected function Returns the array of field settings.
FormatterBase::__construct public function Constructs a FormatterBase object. Overrides PluginBase::__construct 12
MessengerTrait::$messenger protected property The messenger. 27
MessengerTrait::messenger public function Gets the messenger. 27
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 2
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginSettingsBase::$defaultSettingsMerged protected property Whether default settings have been merged into the current $settings.
PluginSettingsBase::$thirdPartySettings protected property The plugin settings injected by third party modules.
PluginSettingsBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies 6
PluginSettingsBase::getSetting public function Returns the value of a setting, or its default value if absent. Overrides PluginSettingsInterface::getSetting
PluginSettingsBase::getSettings public function Returns the array of settings, including defaults for missing settings. Overrides PluginSettingsInterface::getSettings
PluginSettingsBase::getThirdPartyProviders public function Gets the list of third parties that store information. Overrides ThirdPartySettingsInterface::getThirdPartyProviders
PluginSettingsBase::getThirdPartySetting public function Gets the value of a third-party setting. Overrides ThirdPartySettingsInterface::getThirdPartySetting
PluginSettingsBase::getThirdPartySettings public function Gets all third-party settings of a given module. Overrides ThirdPartySettingsInterface::getThirdPartySettings
PluginSettingsBase::mergeDefaults protected function Merges default settings values into $settings.
PluginSettingsBase::onDependencyRemoval public function Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval 3
PluginSettingsBase::setSetting public function Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings public function Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting public function Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting public function Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringTranslationTrait::$stringTranslation protected property The string translation service. 4
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.