class LanguageConfiguration
Same name in other branches
- 9 core/modules/language/src/Element/LanguageConfiguration.php \Drupal\language\Element\LanguageConfiguration
- 8.9.x core/modules/language/src/Element/LanguageConfiguration.php \Drupal\language\Element\LanguageConfiguration
- 11.x core/modules/language/src/Element/LanguageConfiguration.php \Drupal\language\Element\LanguageConfiguration
Defines an element for language configuration for a single field.
Hierarchy
- class \Drupal\Component\Plugin\PluginBase implements \Drupal\Component\Plugin\PluginInspectionInterface, \Drupal\Component\Plugin\DerivativeInspectionInterface
- class \Drupal\Core\Plugin\PluginBase extends \Drupal\Component\Plugin\PluginBase uses \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Messenger\MessengerTrait
- class \Drupal\Core\Render\Element\RenderElementBase extends \Drupal\Core\Plugin\PluginBase implements \Drupal\Core\Render\Element\ElementInterface
- class \Drupal\Core\Render\Element\FormElementBase extends \Drupal\Core\Render\Element\RenderElementBase implements \Drupal\Core\Render\Element\FormElementInterface
- class \Drupal\language\Element\LanguageConfiguration extends \Drupal\Core\Render\Element\FormElementBase
- class \Drupal\Core\Render\Element\FormElementBase extends \Drupal\Core\Render\Element\RenderElementBase implements \Drupal\Core\Render\Element\FormElementInterface
- class \Drupal\Core\Render\Element\RenderElementBase extends \Drupal\Core\Plugin\PluginBase implements \Drupal\Core\Render\Element\ElementInterface
- class \Drupal\Core\Plugin\PluginBase extends \Drupal\Component\Plugin\PluginBase uses \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Messenger\MessengerTrait
Expanded class hierarchy of LanguageConfiguration
File
-
core/
modules/ language/ src/ Element/ LanguageConfiguration.php, line 14
Namespace
Drupal\language\ElementView source
class LanguageConfiguration extends FormElementBase {
/**
* {@inheritdoc}
*/
public function getInfo() {
$class = static::class;
return [
'#input' => TRUE,
'#tree' => TRUE,
'#process' => [
[
$class,
'processLanguageConfiguration',
],
],
];
}
/**
* Process handler for the language_configuration form element.
*/
public static function processLanguageConfiguration(&$element, FormStateInterface $form_state, &$form) {
$options = $element['#options'] ?? [];
// Avoid validation failure since we are moving the '#options' key in the
// nested 'language' select element.
unset($element['#options']);
/** @var \Drupal\language\Entity\ContentLanguageSettings $default_config */
$default_config = $element['#default_value'];
$element['langcode'] = [
'#type' => 'select',
'#title' => t('Default language'),
'#options' => $options + static::getDefaultOptions(),
'#description' => t('Explanation of the language options is found on the <a href=":languages_list_page">languages list page</a>.', [
':languages_list_page' => Url::fromRoute('entity.configurable_language.collection')->toString(),
]),
'#default_value' => $default_config != NULL ? $default_config->getDefaultLangcode() : LanguageInterface::LANGCODE_SITE_DEFAULT,
];
$element['language_alterable'] = [
'#type' => 'checkbox',
'#title' => t('Show language selector on create and edit pages'),
'#default_value' => $default_config != NULL ? $default_config->isLanguageAlterable() : FALSE,
];
// Add the entity type and bundle information to the form if they are set.
// They will be used, in the submit handler, to generate the names of the
// configuration entities that will store the settings and are a way to uniquely
// identify the entity.
$language = $form_state->get('language') ?: [];
$language += [
$element['#name'] => [
'entity_type' => $element['#entity_information']['entity_type'],
'bundle' => $element['#entity_information']['bundle'],
],
];
$form_state->set('language', $language);
// Do not add the submit callback for the language content settings page,
// which is handled separately.
if ($form['#form_id'] != 'language_content_settings_form') {
// Determine where to attach the language_configuration element submit
// handler.
// @todo Form API: Allow form widgets/sections to declare #submit
// handlers.
$submit_name = isset($form['actions']['save_continue']) ? 'save_continue' : 'submit';
if (isset($form['actions'][$submit_name]['#submit']) && array_search('language_configuration_element_submit', $form['actions'][$submit_name]['#submit']) === FALSE) {
$form['actions'][$submit_name]['#submit'][] = 'language_configuration_element_submit';
}
elseif (array_search('language_configuration_element_submit', $form['#submit']) === FALSE) {
$form['#submit'][] = 'language_configuration_element_submit';
}
}
return $element;
}
/**
* Returns the default options for the language configuration form element.
*
* @return array
* An array containing the default options.
*/
protected static function getDefaultOptions() {
$language_options = [
LanguageInterface::LANGCODE_SITE_DEFAULT => t("Site's default language (@language)", [
'@language' => static::languageManager()->getDefaultLanguage()
->getName(),
]),
'current_interface' => t('Interface text language selected for page'),
'authors_default' => t("Author's preferred language"),
];
$languages = static::languageManager()->getLanguages(LanguageInterface::STATE_ALL);
foreach ($languages as $langcode => $language) {
$language_options[$langcode] = $language->isLocked() ? t('- @name -', [
'@name' => $language->getName(),
]) : $language->getName();
}
return $language_options;
}
/**
* Wraps the language manager.
*
* @return \Drupal\Core\Language\LanguageManagerInterface
*/
protected static function languageManager() {
return \Drupal::languageManager();
}
}
Members
Title Sort descending | Modifiers | Object type | Summary | Overriden Title | Overrides |
---|---|---|---|---|---|
FormElementBase::processAutocomplete | public static | function | Adds autocomplete functionality to elements. | 1 | |
FormElementBase::processPattern | public static | function | #process callback for #pattern form element property. | 1 | |
FormElementBase::validatePattern | public static | function | #element_validate callback for #pattern form element property. | 1 | |
FormElementBase::valueCallback | public static | function | Determines how user input is mapped to an element's #value property. | Overrides FormElementInterface::valueCallback | 17 |
LanguageConfiguration::getDefaultOptions | protected static | function | Returns the default options for the language configuration form element. | ||
LanguageConfiguration::getInfo | public | function | Returns the element properties for this element. | Overrides ElementInterface::getInfo | |
LanguageConfiguration::languageManager | protected static | function | Wraps the language manager. | ||
LanguageConfiguration::processLanguageConfiguration | public static | function | Process handler for the language_configuration form element. | ||
PluginInspectionInterface::getPluginDefinition | public | function | Gets the definition of the plugin implementation. | 6 | |
PluginInspectionInterface::getPluginId | public | function | Gets the plugin ID of the plugin instance. | 2 | |
RenderElementBase::preRenderAjaxForm | public static | function | Adds Ajax information about an element to communicate with JavaScript. | 2 | |
RenderElementBase::preRenderGroup | public static | function | Adds members of this group as actual elements for rendering. | 2 | |
RenderElementBase::processAjaxForm | public static | function | Form element processing handler for the #ajax form property. | 3 | |
RenderElementBase::processGroup | public static | function | Arranges elements into groups. | 2 | |
RenderElementBase::setAttributes | public static | function | Sets a form element's class attribute. | Overrides ElementInterface::setAttributes | 2 |
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