class NegotiationBrowserForm in Drupal 10
Same name and namespace in other branches
- 8 core/modules/language/src/Form/NegotiationBrowserForm.php \Drupal\language\Form\NegotiationBrowserForm
- 9 core/modules/language/src/Form/NegotiationBrowserForm.php \Drupal\language\Form\NegotiationBrowserForm
Configure the browser language negotiation method for this site.
@internal
Hierarchy
- class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
- class \Drupal\Core\Form\ConfigFormBase uses ConfigFormBaseTrait
- class \Drupal\language\Form\NegotiationBrowserForm
- class \Drupal\Core\Form\ConfigFormBase uses ConfigFormBaseTrait
Expanded class hierarchy of NegotiationBrowserForm
1 string reference to 'NegotiationBrowserForm'
- language.routing.yml in core/
modules/ language/ language.routing.yml - core/modules/language/language.routing.yml
File
- core/
modules/ language/ src/ Form/ NegotiationBrowserForm.php, line 17
Namespace
Drupal\language\FormView source
class NegotiationBrowserForm extends ConfigFormBase {
/**
* The configurable language manager.
*
* @var \Drupal\language\ConfigurableLanguageManagerInterface
*/
protected $languageManager;
/**
* {@inheritdoc}
*/
public function __construct(ConfigFactoryInterface $config_factory, ConfigurableLanguageManagerInterface $language_manager) {
parent::__construct($config_factory);
$this->languageManager = $language_manager;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static($container
->get('config.factory'), $container
->get('language_manager'));
}
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'language_negotiation_configure_browser_form';
}
/**
* {@inheritdoc}
*/
protected function getEditableConfigNames() {
return [
'language.mappings',
];
}
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state) {
$form = [];
// Initialize a language list to the ones available, including English.
$languages = $this->languageManager
->getLanguages();
$existing_languages = [];
foreach ($languages as $langcode => $language) {
$existing_languages[$langcode] = $language
->getName();
}
// If we have no languages available, present the list of predefined languages
// only. If we do have already added languages, set up two option groups with
// the list of existing and then predefined languages.
if (empty($existing_languages)) {
$language_options = $this->languageManager
->getStandardLanguageListWithoutConfigured();
}
else {
$language_options = [
(string) $this
->t('Existing languages') => $existing_languages,
(string) $this
->t('Languages not yet added') => $this->languageManager
->getStandardLanguageListWithoutConfigured(),
];
}
$form['mappings'] = [
'#type' => 'table',
'#header' => [
$this
->t('Browser language code'),
$this
->t('Site language'),
$this
->t('Operations'),
],
'#attributes' => [
'id' => 'language-negotiation-browser',
],
'#empty' => $this
->t('No browser language mappings available.'),
];
$mappings = $this
->language_get_browser_drupal_langcode_mappings();
foreach ($mappings as $browser_langcode => $drupal_langcode) {
$form['mappings'][$browser_langcode] = [
'browser_langcode' => [
'#title' => $this
->t('Browser language code'),
'#title_display' => 'invisible',
'#type' => 'textfield',
'#default_value' => $browser_langcode,
'#size' => 20,
'#required' => TRUE,
],
'drupal_langcode' => [
'#title' => $this
->t('Site language'),
'#title_display' => 'invisible',
'#type' => 'select',
'#options' => $language_options,
'#default_value' => $drupal_langcode,
'#required' => TRUE,
],
];
// Operations column.
$form['mappings'][$browser_langcode]['operations'] = [
'#type' => 'operations',
'#links' => [],
];
$form['mappings'][$browser_langcode]['operations']['#links']['delete'] = [
'title' => $this
->t('Delete'),
'url' => Url::fromRoute('language.negotiation_browser_delete', [
'browser_langcode' => $browser_langcode,
]),
];
}
// Add empty row.
$form['new_mapping'] = [
'#type' => 'details',
'#title' => $this
->t('Add a new mapping'),
'#tree' => TRUE,
];
$form['new_mapping']['browser_langcode'] = [
'#type' => 'textfield',
'#title' => $this
->t('Browser language code'),
'#description' => $this
->t('Use language codes as <a href=":w3ctags">defined by the W3C</a> for interoperability. <em>Examples: "en", "en-gb" and "zh-hant".</em>', [
':w3ctags' => 'http://www.w3.org/International/articles/language-tags/',
]),
'#size' => 20,
];
$form['new_mapping']['drupal_langcode'] = [
'#type' => 'select',
'#title' => $this
->t('Site language'),
'#options' => $language_options,
];
return parent::buildForm($form, $form_state);
}
/**
* {@inheritdoc}
*/
public function validateForm(array &$form, FormStateInterface $form_state) {
// Array to check if all browser language codes are unique.
$unique_values = [];
// Check all mappings.
if ($form_state
->hasValue('mappings')) {
$mappings = $form_state
->getValue('mappings');
foreach ($mappings as $key => $data) {
// Make sure browser_langcode is unique.
if (array_key_exists($data['browser_langcode'], $unique_values)) {
$form_state
->setErrorByName('mappings][new_mapping][browser_langcode', $this
->t('Browser language codes must be unique.'));
}
elseif (preg_match('/[^a-z\\-]/', $data['browser_langcode'])) {
$form_state
->setErrorByName('mappings][new_mapping][browser_langcode', $this
->t('Browser language codes can only contain lowercase letters and a hyphen(-).'));
}
$unique_values[$data['browser_langcode']] = $data['drupal_langcode'];
}
}
// Check new mapping.
$data = $form_state
->getValue('new_mapping');
if (!empty($data['browser_langcode'])) {
// Make sure browser_langcode is unique.
if (array_key_exists($data['browser_langcode'], $unique_values)) {
$form_state
->setErrorByName('mappings][' . $key . '][browser_langcode', $this
->t('Browser language codes must be unique.'));
}
elseif (preg_match('/[^a-z\\-]/', $data['browser_langcode'])) {
$form_state
->setErrorByName('mappings][' . $key . '][browser_langcode', $this
->t('Browser language codes can only contain lowercase letters and a hyphen(-).'));
}
$unique_values[$data['browser_langcode']] = $data['drupal_langcode'];
}
$form_state
->set('mappings', $unique_values);
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
$mappings = $form_state
->get('mappings');
if (!empty($mappings)) {
$config = $this
->config('language.mappings');
$config
->setData([
'map' => $mappings,
]);
$config
->save();
}
parent::submitForm($form, $form_state);
}
/**
* Retrieves the browser's langcode mapping configuration array.
*
* @return array
* The browser's langcode mapping configuration array.
*/
protected function language_get_browser_drupal_langcode_mappings() {
$config = $this
->config('language.mappings');
if ($config
->isNew()) {
return [];
}
return $config
->get('map');
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
ConfigFormBaseTrait:: |
protected | function | Retrieves a configuration object. | |
DependencySerializationTrait:: |
protected | property | ||
DependencySerializationTrait:: |
protected | property | ||
DependencySerializationTrait:: |
public | function | 2 | |
DependencySerializationTrait:: |
public | function | 2 | |
FormBase:: |
protected | property | The config factory. | 3 |
FormBase:: |
protected | property | The request stack. | |
FormBase:: |
protected | property | The route match. | |
FormBase:: |
protected | function | Gets the config factory for this form. | 3 |
FormBase:: |
private | function | Returns the service container. | |
FormBase:: |
protected | function | Gets the current user. | |
FormBase:: |
protected | function | Gets the request object. | |
FormBase:: |
protected | function | Gets the route match. | |
FormBase:: |
protected | function | Gets the logger for a specific channel. | |
FormBase:: |
protected | function | Returns a redirect response object for the specified route. | |
FormBase:: |
public | function | Resets the configuration factory. | |
FormBase:: |
public | function | Sets the config factory for this form. | |
FormBase:: |
public | function | Sets the request stack object to use. | |
LoggerChannelTrait:: |
protected | property | The logger channel factory service. | |
LoggerChannelTrait:: |
protected | function | Gets the logger for a specific channel. | |
LoggerChannelTrait:: |
public | function | Injects the logger channel factory. | |
MessengerTrait:: |
protected | property | The messenger. | 18 |
MessengerTrait:: |
public | function | Gets the messenger. | 18 |
MessengerTrait:: |
public | function | Sets the messenger. | |
NegotiationBrowserForm:: |
protected | property | The configurable language manager. | |
NegotiationBrowserForm:: |
public | function |
Form constructor. Overrides ConfigFormBase:: |
|
NegotiationBrowserForm:: |
public static | function |
Instantiates a new instance of this class. Overrides ConfigFormBase:: |
|
NegotiationBrowserForm:: |
protected | function |
Gets the configuration names that will be editable. Overrides ConfigFormBaseTrait:: |
|
NegotiationBrowserForm:: |
public | function |
Returns a unique string identifying the form. Overrides FormInterface:: |
|
NegotiationBrowserForm:: |
protected | function | Retrieves the browser's langcode mapping configuration array. | |
NegotiationBrowserForm:: |
public | function |
Form submission handler. Overrides ConfigFormBase:: |
|
NegotiationBrowserForm:: |
public | function |
Form validation handler. Overrides FormBase:: |
|
NegotiationBrowserForm:: |
public | function |
Constructs a \Drupal\system\ConfigFormBase object. Overrides ConfigFormBase:: |
|
RedirectDestinationTrait:: |
protected | property | The redirect destination service. | 1 |
RedirectDestinationTrait:: |
protected | function | Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url. | |
RedirectDestinationTrait:: |
protected | function | Returns the redirect destination service. | |
RedirectDestinationTrait:: |
public | function | Sets the redirect destination service. | |
StringTranslationTrait:: |
protected | property | The string translation service. | 3 |
StringTranslationTrait:: |
protected | function | Formats a string containing a count of items. | |
StringTranslationTrait:: |
protected | function | Returns the number of plurals supported by a given language. | |
StringTranslationTrait:: |
protected | function | Gets the string translation service. | |
StringTranslationTrait:: |
public | function | Sets the string translation service to use. | 1 |
StringTranslationTrait:: |
protected | function | Translates a string to the current language or to a given language. |