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class ListStringItem in Drupal 10

Same name and namespace in other branches
  1. 8 core/modules/options/src/Plugin/Field/FieldType/ListStringItem.php \Drupal\options\Plugin\Field\FieldType\ListStringItem
  2. 9 core/modules/options/src/Plugin/Field/FieldType/ListStringItem.php \Drupal\options\Plugin\Field\FieldType\ListStringItem

Plugin implementation of the 'list_string' field type.

Plugin annotation


@FieldType(
  id = "list_string",
  label = @Translation("List (text)"),
  description = @Translation("This field stores text values from a list of allowed 'value => label' pairs, i.e. 'US States': IL => Illinois, IA => Iowa, IN => Indiana."),
  category = @Translation("Text"),
  default_widget = "options_select",
  default_formatter = "list_default",
)

Hierarchy

Expanded class hierarchy of ListStringItem

File

core/modules/options/src/Plugin/Field/FieldType/ListStringItem.php, line 21

Namespace

Drupal\options\Plugin\Field\FieldType
View source 
class ListStringItem extends ListItemBase {

  /**
   * {@inheritdoc}
   */
  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
    $properties['value'] = DataDefinition::create('string')
      ->setLabel(t('Text value'))
      ->addConstraint('Length', [
      'max' => 255,
    ])
      ->setRequired(TRUE);
    return $properties;
  }

  /**
   * {@inheritdoc}
   */
  public static function schema(FieldStorageDefinitionInterface $field_definition) {
    return [
      'columns' => [
        'value' => [
          'type' => 'varchar',
          'length' => 255,
        ],
      ],
      'indexes' => [
        'value' => [
          'value',
        ],
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  protected function allowedValuesDescription() {
    $description = '<p>' . t('The possible values this field can contain. Enter one value per line, in the format key|label.');
    $description .= '<br/>' . t('The key is the stored value. The label will be used in displayed values and edit forms.');
    $description .= '<br/>' . t('The label is optional: if a line contains a single string, it will be used as key and label.');
    $description .= '</p>';
    $description .= '<p>' . t('Allowed HTML tags in labels: @tags', [
      '@tags' => FieldFilteredMarkup::displayAllowedTags(),
    ]) . '</p>';
    return $description;
  }

  /**
   * {@inheritdoc}
   */
  protected static function validateAllowedValue($option) {
    if (mb_strlen($option) > 255) {
      return t('Allowed values list: each key must be a string at most 255 characters long.');
    }
  }

  /**
   * {@inheritdoc}
   */
  protected static function castAllowedValue($value) {
    return (string) $value;
  }

}

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
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::defaultFieldSettings public static function Defines the field-level settings for this plugin. Overrides FieldItemInterface::defaultFieldSettings 7
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::fieldSettingsForm public function Returns a form for the field-level settings. Overrides FieldItemInterface::fieldSettingsForm 7
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::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 Overrides \Drupal\Core\TypedData\TypedData::setValue(). Overrides Map::setValue 4
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
ListItemBase::allowedValuesString protected function Generates a string representation of an array of 'allowed values'.
ListItemBase::defaultStorageSettings public static function Defines the storage-level settings for this plugin. Overrides FieldItemBase::defaultStorageSettings
ListItemBase::extractAllowedValues protected static function Extracts the allowed values array from the allowed_values element. 1
ListItemBase::generateSampleValue public static function Generates placeholder field values. Overrides FieldItemBase::generateSampleValue
ListItemBase::getPossibleOptions public function Returns an array of possible values with labels for display. Overrides OptionsProviderInterface::getPossibleOptions
ListItemBase::getPossibleValues public function Returns an array of possible values. Overrides OptionsProviderInterface::getPossibleValues
ListItemBase::getSettableOptions public function Returns an array of settable values with labels for display. Overrides OptionsProviderInterface::getSettableOptions
ListItemBase::getSettableValues public function Returns an array of settable values. Overrides OptionsProviderInterface::getSettableValues
ListItemBase::isEmpty public function Determines whether the data structure is empty. Overrides Map::isEmpty
ListItemBase::simplifyAllowedValues protected static function Simplifies allowed values to a key-value array from the structured array. 1
ListItemBase::storageSettingsForm public function Returns a form for the storage-level settings. Overrides FieldItemBase::storageSettingsForm
ListItemBase::storageSettingsFromConfigData public static function Returns a settings array in the field type's canonical representation. Overrides FieldItemBase::storageSettingsFromConfigData
ListItemBase::storageSettingsToConfigData public static function Returns a settings array that can be stored as a configuration value. Overrides FieldItemBase::storageSettingsToConfigData
ListItemBase::structureAllowedValues protected static function Creates a structured array of allowed values from a key-value array.
ListItemBase::validateAllowedValues public static function #element_validate callback for options field allowed values.
ListStringItem::allowedValuesDescription protected function Provides the field type specific allowed values form element #description. Overrides ListItemBase::allowedValuesDescription
ListStringItem::castAllowedValue protected static function Converts a value to the correct type. Overrides ListItemBase::castAllowedValue
ListStringItem::propertyDefinitions public static function Defines field item properties. Overrides FieldItemInterface::propertyDefinitions
ListStringItem::schema public static function Returns the schema for the field. Overrides FieldItemInterface::schema
ListStringItem::validateAllowedValue protected static function Checks whether a candidate allowed value is valid. Overrides ListItemBase::validateAllowedValue
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. 3
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. 1
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
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. 1
TypedDataTrait::setTypedDataManager public function Sets the typed data manager. 1