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class TwigItem in Twig Field 8

Defines the Twig field type.

Plugin annotation


@FieldType(
  id = "twig",
  label = @Translation("Twig template"),
  category = @Translation("General"),
  default_widget = "twig",
  default_formatter = "twig"
)

Hierarchy

Expanded class hierarchy of TwigItem

File

src/Plugin/Field/FieldType/TwigItem.php, line 21

Namespace

Drupal\twig_field\Plugin\Field\FieldType
View source 
class TwigItem extends FieldItemBase {

  /**
   * {@inheritdoc}
   */
  public static function defaultFieldSettings() {
    return [
      'display_mode' => '',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function fieldSettingsForm(array $form, FormStateInterface $form_state) {
    $element = [];
    $definition = $this
      ->getFieldDefinition();
    $entity_type = $definition
      ->getTargetEntityTypeId();
    $bundle = $definition
      ->getTargetBundle();
    $display_modes = \Drupal::service('entity_display.repository')
      ->getViewModeOptionsByBundle($entity_type, $bundle);
    $options = [
      '' => $this
        ->t('- None -'),
    ];
    foreach ($display_modes as $key => $label) {
      $id = $entity_type . '.' . $bundle . '.' . $key;
      $options[$id] = $label;
    }
    $element['display_mode'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Display mode to fetch context from'),
      '#description' => $this
        ->t('The template will receive an additional Twig context from parent entity rendered with the specified display mode.'),
      '#default_value' => $this
        ->getSetting('display_mode'),
      '#options' => $options,
    ];
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
    return [
      'value' => DataDefinition::create('string')
        ->setLabel(t('Template')),
    ];
  }

  /**
   * {@inheritdoc}
   */
  public static function schema(FieldStorageDefinitionInterface $field_definition) {
    return [
      'columns' => [
        'value' => [
          'type' => 'text',
          'size' => 'big',
        ],
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function isEmpty() {
    return $this->value === NULL || $this->value === '';
  }

}

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
FieldItemBase::calculateDependencies public static function Calculates dependencies for field items. Overrides FieldItemInterface::calculateDependencies 2
FieldItemBase::calculateStorageDependencies public static function Calculates dependencies for field items on the storage level. Overrides FieldItemInterface::calculateStorageDependencies 1
FieldItemBase::defaultStorageSettings public static function Defines the storage-level settings for this plugin. Overrides FieldItemInterface::defaultStorageSettings 10
FieldItemBase::delete public function Defines custom delete behavior for field values. Overrides FieldItemInterface::delete 2
FieldItemBase::deleteRevision public function Defines custom revision delete behavior for field values. Overrides FieldItemInterface::deleteRevision
FieldItemBase::fieldSettingsFromConfigData public static function Returns a settings array in the field type's canonical representation. Overrides FieldItemInterface::fieldSettingsFromConfigData 1
FieldItemBase::fieldSettingsToConfigData public static function Returns a settings array that can be stored as a configuration value. Overrides FieldItemInterface::fieldSettingsToConfigData 1
FieldItemBase::generateSampleValue public static function Generates placeholder field values. Overrides FieldItemInterface::generateSampleValue 18
FieldItemBase::getEntity public function Gets the entity that field belongs to. Overrides FieldItemInterface::getEntity
FieldItemBase::getFieldDefinition public function Gets the field definition. Overrides FieldItemInterface::getFieldDefinition
FieldItemBase::getLangcode public function Gets the langcode of the field values held in the object. Overrides FieldItemInterface::getLangcode
FieldItemBase::getSetting protected function Returns the value of a field setting.
FieldItemBase::getSettings protected function Returns the array of field settings.
FieldItemBase::mainPropertyName public static function Returns the name of the main property, if any. Overrides FieldItemInterface::mainPropertyName 8
FieldItemBase::onDependencyRemoval public static function Informs the plugin that a dependency of the field will be deleted. Overrides FieldItemInterface::onDependencyRemoval 1
FieldItemBase::postSave public function Defines custom post-save behavior for field values. Overrides FieldItemInterface::postSave 2
FieldItemBase::preSave public function Defines custom presave behavior for field values. Overrides FieldItemInterface::preSave 7
FieldItemBase::setValue public function Sets the data value. Overrides Map::setValue 4
FieldItemBase::storageSettingsForm public function Returns a form for the storage-level settings. Overrides FieldItemInterface::storageSettingsForm 8
FieldItemBase::storageSettingsFromConfigData public static function Returns a settings array in the field type's canonical representation. Overrides FieldItemInterface::storageSettingsFromConfigData 2
FieldItemBase::storageSettingsToConfigData public static function Returns a settings array that can be stored as a configuration value. Overrides FieldItemInterface::storageSettingsToConfigData 2
FieldItemBase::view public function Returns a renderable array for a single field item. Overrides FieldItemInterface::view
FieldItemBase::writePropertyValue protected function Different to the parent Map class, we avoid creating property objects as far as possible in order to optimize performance. Thus we just update $this->values if no property object has been created yet. Overrides Map::writePropertyValue
FieldItemBase::__construct public function Constructs a TypedData object given its definition and context. Overrides TypedData::__construct 1
FieldItemBase::__get public function Magic method: Gets a property value. Overrides FieldItemInterface::__get 2
FieldItemBase::__isset public function Magic method: Determines whether a property is set. Overrides FieldItemInterface::__isset
FieldItemBase::__set public function Magic method: Sets a property value. Overrides FieldItemInterface::__set 1
FieldItemBase::__unset public function Magic method: Unsets a property. Overrides FieldItemInterface::__unset
Map::$definition protected property The data definition. Overrides TypedData::$definition
Map::$properties protected property The array of properties.
Map::$values protected property An array of values for the contained properties.
Map::applyDefaultValue public function Applies the default value. Overrides TypedData::applyDefaultValue 4
Map::get public function Gets a property object. Overrides ComplexDataInterface::get
Map::getIterator public function
Map::getProperties public function Gets an array of property objects. Overrides ComplexDataInterface::getProperties
Map::getString public function Returns a string representation of the data. Overrides TypedData::getString
Map::getValue public function Gets the data value. Overrides TypedData::getValue 1
Map::onChange public function Overrides TraversableTypedDataInterface::onChange 4
Map::set public function Sets a property value. Overrides ComplexDataInterface::set
Map::toArray public function Returns an array of all property values. Overrides ComplexDataInterface::toArray 1
Map::__clone public function Magic method: Implements a deep clone.
StringTranslationTrait::$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.
TwigItem::defaultFieldSettings public static function Defines the field-level settings for this plugin. Overrides FieldItemBase::defaultFieldSettings
TwigItem::fieldSettingsForm public function Returns a form for the field-level settings. Overrides FieldItemBase::fieldSettingsForm
TwigItem::isEmpty public function Determines whether the data structure is empty. Overrides Map::isEmpty
TwigItem::propertyDefinitions public static function Defines field item properties. Overrides FieldItemInterface::propertyDefinitions
TwigItem::schema public static function Returns the schema for the field. Overrides FieldItemInterface::schema
TypedData::$name protected property The property name.
TypedData::$parent protected property The parent typed data object.
TypedData::createInstance public static function Constructs a TypedData object given its definition and context. Overrides TypedDataInterface::createInstance
TypedData::getConstraints public function Gets a list of validation constraints. Overrides TypedDataInterface::getConstraints 9
TypedData::getDataDefinition public function Gets the data definition. Overrides TypedDataInterface::getDataDefinition
TypedData::getName public function Returns the name of a property or item. Overrides TypedDataInterface::getName
TypedData::getParent public function Returns the parent data structure; i.e. either complex data or a list. Overrides TypedDataInterface::getParent
TypedData::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition
TypedData::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
TypedData::getPropertyPath public function Returns the property path of the data. Overrides TypedDataInterface::getPropertyPath
TypedData::getRoot public function Returns the root of the typed data tree. Overrides TypedDataInterface::getRoot
TypedData::setContext public function Sets the context of a property or item via a context aware parent. Overrides TypedDataInterface::setContext
TypedData::validate public function Validates the currently set data value. Overrides TypedDataInterface::validate
TypedDataTrait::$typedDataManager protected property The typed data manager used for creating the data types.
TypedDataTrait::getTypedDataManager public function Gets the typed data manager. 2
TypedDataTrait::setTypedDataManager public function Sets the typed data manager. 2