class SelectLanguageForm in Drupal 10
Same name and namespace in other branches
- 8 core/lib/Drupal/Core/Installer/Form/SelectLanguageForm.php \Drupal\Core\Installer\Form\SelectLanguageForm
- 9 core/lib/Drupal/Core/Installer/Form/SelectLanguageForm.php \Drupal\Core\Installer\Form\SelectLanguageForm
Provides the language selection form.
Note that hardcoded text provided by this form is not translated. This is because translations are downloaded as a result of submitting this form.
@internal
Hierarchy
- class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
- class \Drupal\Core\Installer\Form\SelectLanguageForm
Expanded class hierarchy of SelectLanguageForm
File
- core/
lib/ Drupal/ Core/ Installer/ Form/ SelectLanguageForm.php, line 19
Namespace
Drupal\Core\Installer\FormView source
class SelectLanguageForm extends FormBase {
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'install_select_language_form';
}
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state, $install_state = NULL) {
if (count($install_state['translations']) > 1) {
$files = $install_state['translations'];
}
else {
$files = [];
}
$standard_languages = LanguageManager::getStandardLanguageList();
$select_options = [];
$browser_options = [];
$form['#title'] = 'Choose language';
// Build a select list with language names in native language for the user
// to choose from. And build a list of available languages for the browser
// to select the language default from.
// Select lists based on all standard languages.
foreach ($standard_languages as $langcode => $language_names) {
$select_options[$langcode] = $language_names[1];
$browser_options[$langcode] = $langcode;
}
// Add languages based on language files in the translations directory.
if (count($files)) {
foreach ($files as $langcode => $uri) {
$select_options[$langcode] = isset($standard_languages[$langcode]) ? $standard_languages[$langcode][1] : $langcode;
$browser_options[$langcode] = $langcode;
}
}
asort($select_options);
$request = Request::createFromGlobals();
$browser_langcode = UserAgent::getBestMatchingLangcode($request->server
->get('HTTP_ACCEPT_LANGUAGE', ''), $browser_options);
$form['langcode'] = [
'#type' => 'select',
'#title' => 'Choose language',
'#title_display' => 'invisible',
'#options' => $select_options,
// Use the browser detected language as default or English if nothing found.
'#default_value' => !empty($browser_langcode) ? $browser_langcode : 'en',
];
$link_to_english = install_full_redirect_url([
'parameters' => [
'langcode' => 'en',
],
]);
$form['help'] = [
'#type' => 'item',
// #markup is XSS admin filtered which ensures unsafe protocols will be
// removed from the url.
'#markup' => '<p>Translations will be downloaded from the <a href="https://localize.drupal.org/download">Drupal Translation website</a>. If you do not want this, select <a href="' . $link_to_english . '">English</a>.</p>',
'#states' => [
'invisible' => [
'select[name="langcode"]' => [
'value' => 'en',
],
],
],
];
$form['actions'] = [
'#type' => 'actions',
];
$form['actions']['submit'] = [
'#type' => 'submit',
'#value' => 'Save and continue',
'#button_type' => 'primary',
];
return $form;
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
$build_info = $form_state
->getBuildInfo();
$build_info['args'][0]['parameters']['langcode'] = $form_state
->getValue('langcode');
$form_state
->setBuildInfo($build_info);
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
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 | Retrieves a configuration object. | |
FormBase:: |
protected | function | Gets the config factory for this form. | 3 |
FormBase:: |
private | function | Returns the service container. | |
FormBase:: |
public static | function |
Instantiates a new instance of this class. Overrides ContainerInjectionInterface:: |
97 |
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. | |
FormBase:: |
public | function |
Form validation handler. Overrides FormInterface:: |
65 |
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. | |
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. | |
SelectLanguageForm:: |
public | function |
Form constructor. Overrides FormInterface:: |
|
SelectLanguageForm:: |
public | function |
Returns a unique string identifying the form. Overrides FormInterface:: |
|
SelectLanguageForm:: |
public | function |
Form submission handler. Overrides FormInterface:: |
|
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. |