You are here

Home » API reference » Drupal 9 » FormatterBase.php

abstract class FormatterBase in Drupal 9

Same name and namespace in other branches
  1. 8 core/lib/Drupal/Core/Field/FormatterBase.php \Drupal\Core\Field\FormatterBase

Base class for 'Field formatter' plugin implementations.

Hierarchy

Expanded class hierarchy of FormatterBase

Related topics

Field Formatter API
Define Field API formatter types.
35 files declare their use of FormatterBase
AggregatorTitleFormatter.php in core/modules/aggregator/src/Plugin/Field/FieldFormatter/AggregatorTitleFormatter.php
AggregatorXSSFormatter.php in core/modules/aggregator/src/Plugin/Field/FieldFormatter/AggregatorXSSFormatter.php
AuthorNameFormatter.php in core/modules/comment/src/Plugin/Field/FieldFormatter/AuthorNameFormatter.php
BaseFieldFileFormatterBase.php in core/modules/file/src/Plugin/Field/FieldFormatter/BaseFieldFileFormatterBase.php
BasicStringFormatter.php in core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/BasicStringFormatter.php

... See full list

File

core/lib/Drupal/Core/Field/FormatterBase.php, line 16

Namespace

Drupal\Core\Field
View source 
abstract class FormatterBase extends PluginSettingsBase implements FormatterInterface, ContainerFactoryPluginInterface {

  /**
   * The field definition.
   *
   * @var \Drupal\Core\Field\FieldDefinitionInterface
   */
  protected $fieldDefinition;

  /**
   * The formatter settings.
   *
   * @var array
   */
  protected $settings;

  /**
   * The label display setting.
   *
   * @var string
   */
  protected $label;

  /**
   * The view mode.
   *
   * @var string
   */
  protected $viewMode;

  /**
   * Constructs a FormatterBase object.
   *
   * @param string $plugin_id
   *   The plugin_id for the formatter.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
   *   The definition of the field to which the formatter is associated.
   * @param array $settings
   *   The formatter settings.
   * @param string $label
   *   The formatter label display setting.
   * @param string $view_mode
   *   The view mode.
   * @param array $third_party_settings
   *   Any third party settings.
   */
  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings) {
    parent::__construct([], $plugin_id, $plugin_definition);
    $this->fieldDefinition = $field_definition;
    $this->settings = $settings;
    $this->label = $label;
    $this->viewMode = $view_mode;
    $this->thirdPartySettings = $third_party_settings;
  }

  /**
   * {@inheritdoc}
   */
  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']);
  }

  /**
   * {@inheritdoc}
   */
  public function view(FieldItemListInterface $items, $langcode = NULL) {

    // Default the language to the current content language.
    if (empty($langcode)) {
      $langcode = \Drupal::languageManager()
        ->getCurrentLanguage(LanguageInterface::TYPE_CONTENT)
        ->getId();
    }
    $elements = $this
      ->viewElements($items, $langcode);

    // If there are actual renderable children, use #theme => field, otherwise,
    // let access cacheability metadata pass through for correct bubbling.
    if (Element::children($elements)) {
      $entity = $items
        ->getEntity();
      $entity_type = $entity
        ->getEntityTypeId();
      $field_name = $this->fieldDefinition
        ->getName();
      $info = [
        '#theme' => 'field',
        '#title' => $this->fieldDefinition
          ->getLabel(),
        '#label_display' => $this->label,
        '#view_mode' => $this->viewMode,
        '#language' => $items
          ->getLangcode(),
        '#field_name' => $field_name,
        '#field_type' => $this->fieldDefinition
          ->getType(),
        '#field_translatable' => $this->fieldDefinition
          ->isTranslatable(),
        '#entity_type' => $entity_type,
        '#bundle' => $entity
          ->bundle(),
        '#object' => $entity,
        '#items' => $items,
        '#formatter' => $this
          ->getPluginId(),
        '#is_multiple' => $this->fieldDefinition
          ->getFieldStorageDefinition()
          ->isMultiple(),
        '#third_party_settings' => $this
          ->getThirdPartySettings(),
      ];
      $elements = array_merge($info, $elements);
    }
    return $elements;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function prepareView(array $entities_items) {
  }

  /**
   * Returns the array of field settings.
   *
   * @return array
   *   The array of settings.
   */
  protected function getFieldSettings() {
    return $this->fieldDefinition
      ->getSettings();
  }

  /**
   * Returns the value of a field setting.
   *
   * @param string $setting_name
   *   The setting name.
   *
   * @return mixed
   *   The setting value.
   */
  protected function getFieldSetting($setting_name) {
    return $this->fieldDefinition
      ->getSetting($setting_name);
  }

  /**
   * {@inheritdoc}
   */
  public static function isApplicable(FieldDefinitionInterface $field_definition) {

    // By default, formatters are available for all fields.
    return TRUE;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_entityStorages protected property
DependencySerializationTrait::$_serviceIds protected property
DependencySerializationTrait::__sleep public function 2
DependencySerializationTrait::__wakeup public function 2
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::$viewMode protected property The view mode.
FormatterBase::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 12
FormatterBase::getFieldSetting protected function Returns the value of a field setting.
FormatterBase::getFieldSettings protected function Returns the array of field settings.
FormatterBase::isApplicable public static function Returns if the formatter can be used for the provided field. Overrides FormatterInterface::isApplicable 14
FormatterBase::prepareView public function Allows formatters to load information for field values being displayed. Overrides FormatterInterface::prepareView 2
FormatterBase::settingsForm public function Returns a form to configure settings for the formatter. Overrides FormatterInterface::settingsForm 24
FormatterBase::settingsSummary public function Returns a short summary for the current formatter settings. Overrides FormatterInterface::settingsSummary 22
FormatterBase::view public function Builds a renderable array for a fully themed field. Overrides FormatterInterface::view 1
FormatterBase::__construct public function Constructs a FormatterBase object. Overrides PluginBase::__construct 12
FormatterInterface::viewElements public function Builds a renderable array for a field value. 47
MessengerTrait::$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::defaultSettings public static function Defines the default settings for this plugin. Overrides PluginSettingsInterface::defaultSettings 42
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.