class AuthorFormatter in Zircon Profile 8

Plugin implementation of the 'author' formatter.

Plugin annotation

@FieldFormatter(
  id = "author",
  label = @Translation("Author"),
  description = @Translation("Display the referenced author user entity."),
  field_types = {
    "entity_reference"
  }
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, StringTranslationTrait
    • class \Drupal\Core\Field\PluginSettingsBase implements DependentPluginInterface, PluginSettingsInterface
      • class \Drupal\Core\Field\FormatterBase implements FormatterInterface
        • class \Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase
          • class \Drupal\user\Plugin\Field\FieldFormatter\AuthorFormatter

File

core/modules/user/src/Plugin/Field/FieldFormatter/AuthorFormatter.php, line 28

Contains \Drupal\user\Plugin\Field\FieldFormatter\AuthorFormatter.

Namespace

Drupal\user\Plugin\Field\FieldFormatter

class AuthorFormatter extends EntityReferenceFormatterBase {

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = array();
    foreach ($this
      ->getEntitiesToView($items, $langcode) as $delta => $entity) {

      /** @var $referenced_user \Drupal\user\UserInterface */
      $elements[$delta] = array(
        '#theme' => 'username',
        '#account' => $entity,
        '#link_options' => array(
          'attributes' => array(
            'rel' => 'author',
          ),
        ),
        '#cache' => array(
          'tags' => $entity
            ->getCacheTags(),
        ),
      );
    }
    return $elements;
  }

  /**
   * {@inheritdoc}
   */
  public static function isApplicable(FieldDefinitionInterface $field_definition) {
    return $field_definition
      ->getFieldStorageDefinition()
      ->getSetting('target_type') == 'user';
  }

  /**
   * {@inheritdoc}
   */
  protected function checkAccess(EntityInterface $entity) {

    // Always allow an entity author's username to be read, even if the current
    // user does not have permission to view the entity author's profile.
    return AccessResult::allowed();
  }

}

Members

Name	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
AuthorFormatter::viewElements	public	function	Builds a renderable array for a field value. Overrides FormatterInterface::viewElements
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
EntityReferenceFormatterBase::getEntitiesToView	protected	function	Returns the referenced entities for display.	1
EntityReferenceFormatterBase::needsEntityLoad	protected	function	Returns whether the entity referenced by an item needs to be loaded.	1
EntityReferenceFormatterBase::prepareView	public	function	Loads the entities referenced in that field across all the entities being viewed. Overrides FormatterBase::prepareView
EntityReferenceFormatterBase::view	public	function	Overrides FormatterBase::view
FormatterBase::$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::getFieldSetting	protected	function	Returns the value of a field setting.
FormatterBase::getFieldSettings	protected	function	Returns the array of field settings.
FormatterBase::settingsForm	public	function	Returns a form to configure settings for the formatter. Overrides FormatterInterface::settingsForm	22
FormatterBase::settingsSummary	public	function	Returns a short summary for the current formatter settings. Overrides FormatterInterface::settingsSummary	18
FormatterBase::__construct	public	function	Constructs a FormatterBase object. Overrides PluginBase::__construct	10
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	2
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginSettingsBase::$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	1
PluginSettingsBase::defaultSettings	public static	function	Defines the default settings for this plugin. Overrides PluginSettingsInterface::defaultSettings	37
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 $settings.
PluginSettingsBase::onDependencyRemoval	public	function	Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval	1
PluginSettingsBase::setSetting	public	function	Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings	public	function	Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting	public	function	Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting	public	function	Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.
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.