class LanguageKeyValueItem in Lingotek Translation 8

Plugin implementation of the 'language_key_value' field type.

Plugin annotation

@FieldType(
  id = "lingotek_language_key_value",
  label = @Translation("Language Key / Value"),
  description = @Translation("This field stores language keyed value pairs."),
  category = @Translation("Language Key / Value"),
)

Hierarchy

• class \Drupal\Core\TypedData\TypedData implements PluginInspectionInterface, TypedDataInterface uses DependencySerializationTrait, StringTranslationTrait, TypedDataTrait
  • class \Drupal\Core\TypedData\Plugin\DataType\Map implements \Drupal\Core\TypedData\Plugin\DataType\IteratorAggregate, ComplexDataInterface
    • class \Drupal\Core\Field\FieldItemBase implements FieldItemInterface
      • class \Drupal\Core\Field\Plugin\Field\FieldType\StringItemBase
        • class \Drupal\Core\Field\Plugin\Field\FieldType\StringItem
          • class \Drupal\lingotek\Plugin\Field\FieldType\LanguageKeyValueItem

File

src/Plugin/Field/FieldType/LanguageKeyValueItem.php, line 26

Contains Drupal\lingotek\Plugin\Field\FieldType\LanguageKeyValueItem.

Namespace

Drupal\lingotek\Plugin\Field\FieldType

class LanguageKeyValueItem extends StringItem {

  /**
   * {@inheritdoc}
   */
  public static function schema(FieldStorageDefinitionInterface $field_definition) {

    // Get the schema from the text field.
    $schema = parent::schema($field_definition);

    // Add an index for key.
    $schema['indexes']['language'] = [
      'language',
    ];
    $schema['columns'] += [
      'language' => [
        'description' => 'Stores the "Language" value.',
        'type' => 'varchar_ascii',
        'length' => 12,
        'not null' => TRUE,
        'default' => '',
      ],
    ];
    return $schema;
  }

  /**
   * {@inheritdoc}
   */
  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
    $properties = parent::propertyDefinitions($field_definition);
    $properties['language'] = DataDefinition::create('string')
      ->setLabel(new TranslationWrapper('Language Key'))
      ->setRequired(TRUE);
    return $properties;
  }

  /**
   * {@inheritdoc}
   */
  public static function generateSampleValue(FieldDefinitionInterface $field_definition) {
    $value = parent::generateSampleValue($field_definition);

    // ToDo: This should be really random.
    $value['language'] = self::getLangcode();
    return $value;
  }

  /**
   * {@inheritdoc}
   */
  public function isEmpty() {

    // Return TRUE if there is no key.
    return !isset($this->values) || empty($this->values['language']);
  }

  /**
   * {@inheritdoc}
   */
  public function preSave() {
    parent::preSave();
    if (is_object($this->values['language'])) {
      $this->values['language'] = $this->values['language']
        ->getId();
    }
  }

  /**
   * {@inheritdoc}
   */
  public function setValue($values, $notify = TRUE) {
    if (is_object($values['language'])) {
      $values['language'] = $values['language']
        ->getId();
    }
    parent::setValue($values, $notify);
  }

  /**
   * {@inheritdoc}
   */
  public function getValue() {
    $values = parent::getValue();
    if (is_object($values['language'])) {
      $values['language'] = $values['language']
        ->getId();
    }
    return $values;
  }

}

Members

Name	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::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::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 $this->values if no property object has been created yet. Overrides Map::writePropertyValue
FieldItemBase::__construct	public	function	Constructs a TypedData object given its definition and context. Overrides TypedData::__construct	1
FieldItemBase::__get	public	function	Magic method: Gets a property value. Overrides FieldItemInterface::__get	2
FieldItemBase::__isset	public	function	Magic method: Determines whether a property is set. Overrides FieldItemInterface::__isset
FieldItemBase::__set	public	function	Magic method: Sets a property value. Overrides FieldItemInterface::__set	1
FieldItemBase::__unset	public	function	Magic method: Unsets a property. Overrides FieldItemInterface::__unset
LanguageKeyValueItem::generateSampleValue	public static	function	Generates placeholder field values. Overrides StringItem::generateSampleValue
LanguageKeyValueItem::getValue	public	function	Gets the data value. Overrides Map::getValue
LanguageKeyValueItem::isEmpty	public	function	Determines whether the data structure is empty. Overrides StringItemBase::isEmpty
LanguageKeyValueItem::preSave	public	function	Defines custom presave behavior for field values. Overrides FieldItemBase::preSave
LanguageKeyValueItem::propertyDefinitions	public static	function	Defines field item properties. Overrides StringItemBase::propertyDefinitions
LanguageKeyValueItem::schema	public static	function	Returns the schema for the field. Overrides StringItem::schema
LanguageKeyValueItem::setValue	public	function	Sets the data value. Overrides FieldItemBase::setValue
Map::$definition	protected	property	The data definition. Overrides TypedData::$definition
Map::$properties	protected	property	The array of properties.
Map::$values	protected	property	An array of values for the contained properties.
Map::applyDefaultValue	public	function	Applies the default value. Overrides TypedData::applyDefaultValue	4
Map::get	public	function	Gets a property object. Overrides ComplexDataInterface::get
Map::getIterator	public	function
Map::getProperties	public	function	Gets an array of property objects. Overrides ComplexDataInterface::getProperties
Map::getString	public	function	Returns a string representation of the data. Overrides TypedData::getString
Map::onChange	public	function	Overrides TraversableTypedDataInterface::onChange	4
Map::set	public	function	Sets a property value. Overrides ComplexDataInterface::set
Map::toArray	public	function	Returns an array of all property values. Overrides ComplexDataInterface::toArray	1
Map::__clone	public	function	Magic method: Implements a deep clone.
StringItem::defaultStorageSettings	public static	function	Defines the storage-level settings for this plugin. Overrides StringItemBase::defaultStorageSettings	2
StringItem::getConstraints	public	function	Gets a list of validation constraints. Overrides TypedData::getConstraints
StringItem::storageSettingsForm	public	function	Returns a form for the storage-level settings. Overrides FieldItemBase::storageSettingsForm
StringTranslationTrait::$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.
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::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