class LanguageItem
Same name in other branches
- 9 core/lib/Drupal/Core/Field/Plugin/Field/FieldType/LanguageItem.php \Drupal\Core\Field\Plugin\Field\FieldType\LanguageItem
- 8.9.x core/lib/Drupal/Core/Field/Plugin/Field/FieldType/LanguageItem.php \Drupal\Core\Field\Plugin\Field\FieldType\LanguageItem
- 10 core/lib/Drupal/Core/Field/Plugin/Field/FieldType/LanguageItem.php \Drupal\Core\Field\Plugin\Field\FieldType\LanguageItem
Defines the 'language' entity field item.
Hierarchy
- class \Drupal\Core\TypedData\TypedData implements \Drupal\Core\TypedData\TypedDataInterface, \Drupal\Component\Plugin\PluginInspectionInterface uses \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\TypedData\TypedDataTrait
- class \Drupal\Core\TypedData\Plugin\DataType\Map extends \Drupal\Core\TypedData\TypedData implements \Drupal\Core\TypedData\Plugin\DataType\IteratorAggregate, \Drupal\Core\TypedData\ComplexDataInterface
- class \Drupal\Core\Field\FieldItemBase extends \Drupal\Core\TypedData\Plugin\DataType\Map implements \Drupal\Core\Field\FieldItemInterface
- class \Drupal\Core\Field\Plugin\Field\FieldType\LanguageItem extends \Drupal\Core\Field\FieldItemBase implements \Drupal\Core\TypedData\OptionsProviderInterface
- class \Drupal\Core\Field\FieldItemBase extends \Drupal\Core\TypedData\Plugin\DataType\Map implements \Drupal\Core\Field\FieldItemInterface
- class \Drupal\Core\TypedData\Plugin\DataType\Map extends \Drupal\Core\TypedData\TypedData implements \Drupal\Core\TypedData\Plugin\DataType\IteratorAggregate, \Drupal\Core\TypedData\ComplexDataInterface
Expanded class hierarchy of LanguageItem
1 file declares its use of LanguageItem
- DefaultLanguageItem.php in core/
modules/ language/ src/ DefaultLanguageItem.php
File
-
core/
lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldType/ LanguageItem.php, line 19
Namespace
Drupal\Core\Field\Plugin\Field\FieldTypeView source
class LanguageItem extends FieldItemBase implements OptionsProviderInterface {
/**
* {@inheritdoc}
*/
public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
$properties['value'] = DataDefinition::create('string')->setLabel(t('Language code'))
->setRequired(TRUE);
$properties['language'] = DataReferenceDefinition::create('language')->setLabel(t('Language object'))
->setDescription(t('The referenced language'))
->setComputed(TRUE)
->setReadOnly(FALSE);
return $properties;
}
/**
* {@inheritdoc}
*/
public static function schema(FieldStorageDefinitionInterface $field_definition) {
return [
'columns' => [
'value' => [
'type' => 'varchar_ascii',
'length' => 12,
],
],
];
}
/**
* {@inheritdoc}
*/
public function setValue($values, $notify = TRUE) {
// Treat the values as property value of the language property, if no array
// is given as this handles language codes and objects.
if (isset($values) && !is_array($values)) {
$this->set('language', $values, $notify);
}
else {
// Make sure that the 'language' property gets set as 'value'.
if (isset($values['value']) && !isset($values['language'])) {
$values['language'] = $values['value'];
}
parent::setValue($values, $notify);
}
}
/**
* {@inheritdoc}
*/
public function applyDefaultValue($notify = TRUE) {
// Default to the site's default language. When language module is enabled,
// this behavior is configurable, see language_field_info_alter().
$this->setValue([
'value' => \Drupal::languageManager()->getDefaultLanguage()
->getId(),
], $notify);
return $this;
}
/**
* {@inheritdoc}
*/
public function onChange($property_name, $notify = TRUE) {
// Make sure that the value and the language property stay in sync.
if ($property_name == 'value') {
$this->writePropertyValue('language', $this->value);
}
elseif ($property_name == 'language') {
$this->writePropertyValue('value', $this->get('language')
->getTargetIdentifier());
}
parent::onChange($property_name, $notify);
}
/**
* {@inheritdoc}
*/
public static function generateSampleValue(FieldDefinitionInterface $field_definition) {
// Defer to the callback in the item definition as it can be overridden.
$constraint = $field_definition->getItemDefinition()
->getConstraint('ComplexData');
if (isset($constraint['value']['AllowedValues']['callback'])) {
$languages = call_user_func($constraint['value']['AllowedValues']['callback']);
}
else {
$languages = array_keys(\Drupal::languageManager()->getLanguages(LanguageInterface::STATE_ALL));
}
$values['value'] = $languages[array_rand($languages)];
return $values;
}
/**
* {@inheritdoc}
*/
public function getPossibleValues(?AccountInterface $account = NULL) {
return array_keys(\Drupal::languageManager()->getLanguages(LanguageInterface::STATE_ALL));
}
/**
* {@inheritdoc}
*/
public function getPossibleOptions(?AccountInterface $account = NULL) {
$languages = \Drupal::languageManager()->getLanguages(LanguageInterface::STATE_ALL);
return array_map(function (LanguageInterface $language) {
return $language->getName();
}, $languages);
}
/**
* {@inheritdoc}
*/
public function getSettableValues(?AccountInterface $account = NULL) {
return $this->getPossibleValues($account);
}
/**
* {@inheritdoc}
*/
public function getSettableOptions(?AccountInterface $account = NULL) {
return $this->getPossibleValues($account);
}
}
Members
Title Sort descending | Modifiers | Object type | Summary | Overriden Title | Overrides |
---|---|---|---|---|---|
DependencySerializationTrait::$_entityStorages | protected | property | |||
DependencySerializationTrait::$_serviceIds | protected | property | |||
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 | |
FieldItemBase::defaultFieldSettings | public static | function | Defines the field-level settings for this plugin. | Overrides FieldItemInterface::defaultFieldSettings | 6 |
FieldItemBase::defaultStorageSettings | public static | function | Defines the storage-level settings for this plugin. | Overrides FieldItemInterface::defaultStorageSettings | 9 |
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 | 6 |
FieldItemBase::fieldSettingsFromConfigData | public static | function | Returns a settings array in the field type's canonical representation. | Overrides FieldItemInterface::fieldSettingsFromConfigData | 1 |
FieldItemBase::fieldSettingsSummary | public static | function | Returns a short summary of the field's field-level settings. | Overrides FieldItemInterface::fieldSettingsSummary | |
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 | |
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 | 6 |
FieldItemBase::storageSettingsForm | public | function | Returns a form for the storage-level settings. | Overrides FieldItemInterface::storageSettingsForm | 7 |
FieldItemBase::storageSettingsFromConfigData | public static | function | Returns a settings array in the field type's canonical representation. | Overrides FieldItemInterface::storageSettingsFromConfigData | 2 |
FieldItemBase::storageSettingsSummary | public static | function | Returns a short summary of the field's storage-level settings. | Overrides FieldItemInterface::storageSettingsSummary | |
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 | 2 |
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 | |
LanguageItem::applyDefaultValue | public | function | Applies the default value. | Overrides Map::applyDefaultValue | 1 |
LanguageItem::generateSampleValue | public static | function | Generates placeholder field values. | Overrides FieldItemBase::generateSampleValue | |
LanguageItem::getPossibleOptions | public | function | Returns an array of possible values with labels for display. | Overrides OptionsProviderInterface::getPossibleOptions | |
LanguageItem::getPossibleValues | public | function | Returns an array of possible values. | Overrides OptionsProviderInterface::getPossibleValues | |
LanguageItem::getSettableOptions | public | function | Returns an array of settable values with labels for display. | Overrides OptionsProviderInterface::getSettableOptions | |
LanguageItem::getSettableValues | public | function | Returns an array of settable values. | Overrides OptionsProviderInterface::getSettableValues | |
LanguageItem::onChange | public | function | React to changes to a child property or item. | Overrides Map::onChange | |
LanguageItem::propertyDefinitions | public static | function | Defines field item properties. | Overrides FieldItemInterface::propertyDefinitions | |
LanguageItem::schema | public static | function | Returns the schema for the field. | Overrides FieldItemInterface::schema | |
LanguageItem::setValue | public | function | Overrides \Drupal\Core\TypedData\TypedData::setValue(). | Overrides FieldItemBase::setValue | |
Map::$definition | protected | property | The data definition. | Overrides TypedData::$definition | |
Map::$properties | protected | property | The array of properties. | ||
Map::$values | protected | property | An array of values for the contained properties. | ||
Map::get | public | function | Gets a property object. | Overrides ComplexDataInterface::get | |
Map::getIterator | public | function | |||
Map::getProperties | public | function | Gets an array of property objects. | Overrides ComplexDataInterface::getProperties | |
Map::getString | public | function | Returns a string representation of the data. | Overrides TypedData::getString | |
Map::getValue | public | function | Gets the data value. | Overrides TypedData::getValue | |
Map::isEmpty | public | function | Determines whether the data structure is empty. | Overrides ComplexDataInterface::isEmpty | 16 |
Map::set | public | function | Sets a property value. | Overrides ComplexDataInterface::set | |
Map::toArray | public | function | Returns an array of all property values. | Overrides ComplexDataInterface::toArray | 1 |
Map::__clone | public | function | Magic method: Implements a deep clone. | ||
StringTranslationTrait::$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. | 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::getConstraints | public | function | Gets a list of validation constraints. | Overrides TypedDataInterface::getConstraints | 8 |
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 |
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