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class EntityReferenceHierarchyLabelFormatter in Entity Reference Hierarchy 8.2

Same name and namespace in other branches
  1. 3.x src/Plugin/Field/FieldFormatter/EntityReferenceHierarchyLabelFormatter.php \Drupal\entity_hierarchy\Plugin\Field\FieldFormatter\EntityReferenceHierarchyLabelFormatter

Plugin implementation of the 'entity_hierarchy' formatter.

Plugin annotation


@FieldFormatter(
  id = "entity_reference_hierarchy_label",
  label = @Translation("Label with weight"),
  description = @Translation("Display the label of the referenced entities with weight."),
  field_types = {
    "entity_reference_hierarchy"
  }
)

Hierarchy

Expanded class hierarchy of EntityReferenceHierarchyLabelFormatter

File

src/Plugin/Field/FieldFormatter/EntityReferenceHierarchyLabelFormatter.php, line 21

Namespace

Drupal\entity_hierarchy\Plugin\Field\FieldFormatter
View source
class EntityReferenceHierarchyLabelFormatter extends EntityReferenceLabelFormatter {

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

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $elements = parent::settingsForm($form, $form_state);
    $elements['weight_output'] = [
      '#type' => 'radios',
      '#options' => [
        'suffix' => t('After title'),
        'attribute' => t('In a data attribute'),
      ],
      '#title' => t('Output weight'),
      '#default_value' => $this
        ->getSetting('weight_output'),
      '#required' => TRUE,
    ];
    return $elements;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = parent::settingsSummary();
    switch ($this
      ->getSetting('weight_output')) {
      case 'attribute':
        $position = $this
          ->t('custom data-* attribute');
        break;
      case 'suffix':
        $position = $this
          ->t('suffix after title');
        break;
    }
    $summary[] = $this
      ->t('Show weight as @position', [
      '@position' => $position,
    ]);
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = parent::viewElements($items, $langcode);
    $values = $items
      ->getValue();
    foreach ($elements as $delta => $entity) {
      if (!empty($values[$delta]['weight'])) {
        switch ($this
          ->getSetting('weight_output')) {
          case 'attribute':
            $elements[$delta]['#attributes']['data-weight'] = $values[$delta]['weight'];
            break;
          case 'suffix':
            $elements[$delta]['#suffix'] = ' (' . $values[$delta]['weight'] . ')';
            break;
        }
      }
    }
    return $elements;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_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
EntityReferenceHierarchyLabelFormatter::defaultSettings public static function Defines the default settings for this plugin. Overrides EntityReferenceLabelFormatter::defaultSettings
EntityReferenceHierarchyLabelFormatter::settingsForm public function Returns a form to configure settings for the formatter. Overrides EntityReferenceLabelFormatter::settingsForm
EntityReferenceHierarchyLabelFormatter::settingsSummary public function Returns a short summary for the current formatter settings. Overrides EntityReferenceLabelFormatter::settingsSummary
EntityReferenceHierarchyLabelFormatter::viewElements public function Builds a renderable array for a field value. Overrides EntityReferenceLabelFormatter::viewElements
EntityReferenceLabelFormatter::checkAccess protected function Checks access to the given entity. Overrides EntityReferenceFormatterBase::checkAccess
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::$viewMode protected property The view mode.
FormatterBase::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 11
FormatterBase::getFieldSetting protected function Returns the value of a field setting.
FormatterBase::getFieldSettings protected function Returns the array of field settings.
FormatterBase::isApplicable public static function Returns if the formatter can be used for the provided field. Overrides FormatterInterface::isApplicable 14
FormatterBase::__construct public function Constructs a FormatterBase object. Overrides PluginBase::__construct 11
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
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::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginSettingsBase::$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. 1
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.