language.module 25.5 KB
Newer Older
1 2 3 4 5 6 7
<?php

/**
 * @file
 * Add language handling functionality to Drupal.
 */

8
use Drupal\Core\Access\AccessResult;
9 10
use Drupal\Core\Entity\ContentEntityFormInterface;
use Drupal\Core\Entity\EntityFormInterface;
11
use Drupal\Core\Entity\EntityInterface;
12 13
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldItemListInterface;
14
use Drupal\Core\Form\FormStateInterface;
15
use Drupal\Core\Language\LanguageInterface;
16
use Drupal\Core\Routing\RouteMatchInterface;
17
use Drupal\Core\Session\AccountInterface;
18
use Drupal\language\Entity\ContentLanguageSettings;
19 20 21
use Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationUI;
use Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationUrl;
use Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationUrlFallback;
22

23 24 25
/**
 * Implements hook_help().
 */
26
function language_help($route_name, RouteMatchInterface $route_match) {
27 28
  switch ($route_name) {
    case 'help.page.language':
29 30
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
31
      $output .= '<p>' . t('The Language module allows you to configure the languages used on your site, and provides information for the <a href=":content">Content Translation</a>, <a href=":interface">Interface Translation</a>, and <a href=":configuration">Configuration Translation</a> modules, if they are enabled. For more information, see the <a href=":doc_url">online documentation for the Language module</a>.', [':doc_url' => 'https://www.drupal.org/documentation/modules/language', ':content' => (\Drupal::moduleHandler()->moduleExists('content_translation')) ? \Drupal::url('help.page', ['name' => 'content_translation']) : '#', ':interface' => (\Drupal::moduleHandler()->moduleExists('locale')) ? \Drupal::url('help.page', ['name' => 'locale']) : '#', ':configuration' => (\Drupal::moduleHandler()->moduleExists('config_translation')) ? \Drupal::url('help.page', ['name' => 'config_translation']) : '#']) . '</p>';
32 33
      $output .= '<h3>' . t('Uses') . '</h3>';
      $output .= '<dl>';
34
      $output .= '<dt>' . t('Adding languages') . '</dt>';
35
      $output .= '<dd>' . t('You can add languages on the <a href=":language_list">Languages</a> page by selecting <em>Add language</em> and choosing a language from the drop-down menu. This language is then displayed in the languages list, where it can be configured further. If the <a href=":interface">Interface translation module</a> is enabled, and the <em>translation server</em> is set as a translation source, then the interface translation for this language is automatically downloaded as well.', [':language_list' => \Drupal::url('entity.configurable_language.collection'), ':interface' => (\Drupal::moduleHandler()->moduleExists('locale')) ? \Drupal::url('help.page', ['name' => 'locale']) : '#']) . '</dd>';
36 37 38
      $output .= '<dt>' . t('Adding custom languages') . '</dt>';
      $output .= '<dd>' . t('You can add a language that is not provided in the drop-down list by choosing <em>Custom language</em> at the end of the list. You then have to configure its language code, name, and direction in the form provided.') . '</dd>';
      $output .= '<dt>' . t('Configuring content languages') . '</dt>';
39
      $output .= '<dd>' . t('By default, content is created in the site\'s default language and no language selector is displayed on content creation pages. On the <a href=":content_language">Content language</a> page you can customize the language configuration for any supported content entity on your site (for example for content types or menu links). After choosing an entity, you are provided with a drop-down menu to set the default language and a check-box to display language selectors.', [':content_language' => \Drupal::url('language.content_settings_page')]) . '</dd>';
40
      $output .= '<dt>' . t('Adding a language switcher block') . '</dt>';
41
      $output .= '<dd>' . t('If the Block module is enabled, then you can add a language switcher block on the <a href=":blocks">Block layout</a> page to allow users to switch between languages.', [':blocks' => (\Drupal::moduleHandler()->moduleExists('block')) ? \Drupal::url('block.admin_display') : '#']) . '</dd>';
42
      $output .= '<dt>' . t('Making a block visible per language') . '</dt>';
43
      $output .= '<dd>' . t('If the Block module is enabled, then the Language module allows you to set the visibility of a block based on selected languages on the <a href=":blocks">Block layout</a> page.', [':blocks' => (\Drupal::moduleHandler()->moduleExists('block')) ? \Drupal::url('block.admin_display') : '#']) . '</dd>';
44
      $output .= '<dt>' . t('Choosing user languages') . '</dt>';
45
      $output .= '<dd>' . t("Users can choose a <em>Site language</em> on their profile page. This language is used for email messages, and can be used by modules to determine a user's language. It can also be used for interface text, if the <em>User</em> method is enabled as a <em>Detection and selection</em> method (see below). Administrative users can choose a separate <em>Administration pages language</em> for the interface text on administration pages. This configuration is only available on the user's profile page if the <em>Account administration pages</em> method is enabled (see below).") . '</dd>';
46
      $output .= '<dt>' . t('Language detection and selection') . '</dt>';
47
      $output .= '<dd>' . t('The <a href=":detection">Detection and selection</a> page provides several methods for deciding which language is used for displaying interface text. When a method detects and selects an interface language, then the following methods in the list are not applied. You can order them by importance, with your preferred method at the top of the list, followed by one or several fall-back methods.', [':detection' => \Drupal::url('language.negotiation')]);
48 49
      $output .= '<ul><li>' . t('<em>URL</em> sets the interface language based on a path prefix or domain (for example specifying <em>de</em> for German would result in URLs like <em>example.com/de/contact</em>). The default language does not require a path prefix, but can have one assigned as well. If the language detection is done by domain name, a domain needs to be specified for each language.') . '</li>';
      $output .= '<li>' . t('<em>Session</em> determines the interface language from a request or session parameter (for example <em>example.com?language=de</em> would set the interface language to German based on the use of <em>de</em> as the <em>language</em> parameter).') . '</li>';
50
      $output .= '<li>' . t("<em>User</em> follows the language configuration set on the user's profile page.") . '</li>';
51
      $output .= '<li>' . t('<em>Browser</em> sets the interface language based on the browser\'s language settings. Since browsers use different language codes to refer to the same languages, you can add and edit languages codes to map the browser language codes to the <a href=":language_list">language codes</a> used on your site.', [':language_list' => \Drupal::url('entity.configurable_language.collection')]) . '</li>';
52
      $output .= '<li>' . t('<em>Account administration pages</em> follows the configuration set as <em>Administration pages language</em> on the profile page of an administrative user. This method is similar to the <em>User</em> method, but only sets the interface text language on administration pages, independent of the interface text language on other pages.') . '</li>';
53
      $output .= '<li>' . t("<em>Selected language</em> allows you to specify the site's default language or a specific language as the fall-back language. This method should be listed last.") . '</li></ul></dd>';
54 55 56
      $output .= '</dl>';
      return $output;

57
    case 'entity.configurable_language.collection':
58 59
      $output = '<p>' . t('Reorder the configured languages to set their order in the language switcher block and, when editing content, in the list of selectable languages. This ordering does not impact <a href=":detection">detection and selection</a>.', [':detection' => \Drupal::url('language.negotiation')]) . '</p>';
      $output .= '<p>' . t('The site default language can also be set. It is not recommended to change the default language on a working site. <a href=":language-detection">Configure the Selected language</a> setting on the detection and selection page to change the fallback language for language selection.', [':language-detection' => \Drupal::url('language.negotiation')]) . '</p>';
60
      return $output;
61

62
    case 'language.add':
63
      return '<p>' . t('Add a language to be supported by your site. If your desired language is not available, pick <em>Custom language...</em> at the end and provide a language code and other details manually.') . '</p>';
64

65
    case 'language.negotiation':
66
      $output = '<p>' . t('Define how to decide which language is used to display page elements (primarily text provided by modules, such as field labels and help text). This decision is made by evaluating a series of detection methods for languages; the first detection method that gets a result will determine which language is used for that type of text. Be aware that some language detection methods are unreliable under certain conditions, such as browser detection when page-caching is enabled and a user is not currently logged in. Define the order of evaluation of language detection methods on this page. The default language can be changed in the <a href=":admin-change-language">list of languages</a>.', [':admin-change-language' => \Drupal::url('entity.configurable_language.collection')]) . '</p>';
67 68
      return $output;

69
    case 'language.negotiation_session':
70 71 72
      $output = '<p>' . t('Determine the language from a request/session parameter. Example: "http://example.com?language=de" sets language to German based on the use of "de" within the "language" parameter.') . '</p>';
      return $output;

73
    case 'language.negotiation_browser':
74
      $output = '<p>' . t('Browsers use different language codes to refer to the same languages. Internally, a best effort is made to determine the correct language based on the code that the browser sends. You can add and edit additional mappings from browser language codes to <a href=":configure-languages">site languages</a>.', [':configure-languages' => \Drupal::url('entity.configurable_language.collection')]) . '</p>';
75 76
      return $output;

77
    case 'language.negotiation_selected':
78
      $output = '<p>' . t('Changing the selected language here (and leaving this option as the last among the detection and selection options) is the easiest way to change the fallback language for the website, if you need to change how your site works by default (e.g., when using an empty path prefix or using the default domain). <a href=":admin-change-language">Changing the site\'s default language</a> itself might have other undesired side effects.', [':admin-change-language' => \Drupal::url('entity.configurable_language.collection')]) . '</p>';
79 80
      return $output;

81
    case 'entity.block.edit_form':
82
      if (($block = $route_match->getParameter('block')) && $block->getPluginId() == 'language_block:language_interface') {
83
        return '<p>' . t('With multiple languages configured, registered users can select their preferred language and authors can assign a specific language to content.') . '</p>';
84 85
      }
      break;
86

87
    case 'block.admin_add':
88
      if ($route_match->getParameter('plugin_id') == 'language_block:language_interface') {
89
        return '<p>' . t('With multiple languages configured, registered users can select their preferred language and authors can assign a specific language to content.') . '</p>';
90 91 92 93
      }
      break;

    case 'language.content_settings_page':
94
      return '<p>' . t("Change language settings for <em>content types</em>, <em>taxonomy vocabularies</em>, <em>user profiles</em>, or any other supported element on your site. By default, language settings hide the language selector and the language is the site's default language.") . '</p>';
95 96 97 98 99 100 101
  }
}

/**
 * Implements hook_theme().
 */
function language_theme() {
102 103
  return [
    'language_negotiation_configure_form' => [
104
      'render element' => 'form',
105
      'file' => 'language.admin.inc',
106 107
    ],
    'language_content_settings_table' => [
108 109
      'render element' => 'element',
      'file' => 'language.admin.inc',
110 111
    ],
  ];
112 113
}

114 115
/**
 * Implements hook_element_info_alter().
116 117 118
 *
 * @see \Drupal\Core\Render\Element\LanguageSelect
 * @see \Drupal\Core\Render\Element\Select
119 120 121 122 123 124
 */
function language_element_info_alter(&$type) {
  // Alter the language_select element so that it will be rendered like a select
  // field.
  if (isset($type['language_select'])) {
    if (!isset($type['language_select']['#process'])) {
125
      $type['language_select']['#process'] = [];
126 127
    }
    if (!isset($type['language_select']['#theme_wrappers'])) {
128
      $type['language_select']['#theme_wrappers'] = [];
129
    }
130
    $type['language_select']['#process'] = array_merge($type['language_select']['#process'], [
131
      'language_process_language_select',
132 133 134
      ['Drupal\Core\Render\Element\Select', 'processSelect'],
      ['Drupal\Core\Render\Element\RenderElement', 'processAjaxForm'],
    ]);
135
    $type['language_select']['#theme'] = 'select';
136
    $type['language_select']['#theme_wrappers'] = array_merge($type['language_select']['#theme_wrappers'], ['form_element']);
137
    $type['language_select']['#languages'] = LanguageInterface::STATE_CONFIGURABLE;
138 139 140 141 142 143 144 145 146 147
    $type['language_select']['#multiple'] = FALSE;
  }
}

/**
 * Processes a language select list form element.
 *
 * @param array $element
 *   The form element to process.
 *
148
 * @return array
149 150 151
 *   The processed form element.
 */
function language_process_language_select($element) {
152
  // Don't set the options if another module (translation for example) already
153 154
  // set the options.
  if (!isset($element['#options'])) {
155
    $element['#options'] = [];
156
    foreach (\Drupal::languageManager()->getLanguages($element['#languages']) as $langcode => $language) {
157
      $element['#options'][$langcode] = $language->isLocked() ? t('- @name -', ['@name' => $language->getName()]) : $language->getName();
158 159 160 161 162
    }
  }
  return $element;
}

163 164 165 166 167 168 169
/**
 * Implements hook_entity_base_field_info_alter().
 */
function language_entity_base_field_info_alter(&$fields) {
  foreach ($fields as $definition) {
    // Set configurable form display for language fields with display options.
    if ($definition->getType() == 'language') {
170
      foreach (['form', 'view'] as $type) {
171 172 173 174 175 176 177 178 179 180
        if ($definition->getDisplayOptions($type)) {
          // The related configurations will be purged manually on Language
          // module uninstallation. @see language_modules_uninstalled().
          $definition->setDisplayConfigurable($type, TRUE);
        }
      }
    }
  }
}

181 182 183
/**
 * Submit handler for the forms that have a language_configuration element.
 */
184
function language_configuration_element_submit(&$form, FormStateInterface $form_state) {
185 186
  // Iterate through all the language_configuration elements and save their
  // values.
187 188
  // In case we are editing a bundle, we must check the new bundle name,
  // because e.g. hook_ENTITY_update fired before.
189 190
  if ($language = $form_state->get('language')) {
    foreach ($language as $element_name => $values) {
191 192 193
      $entity_type_id = $values['entity_type'];
      $bundle = $values['bundle'];
      $form_object = $form_state->getFormObject();
194
      if ($form_object instanceof EntityFormInterface) {
195
        /** @var \Drupal\Core\Entity\EntityFormInterface $form_object */
196 197 198
        $entity = $form_object->getEntity();
        if ($entity->getEntityType()->getBundleOf()) {
          $bundle = $entity->id();
199
          $language[$element_name]['bundle'] = $bundle;
200 201 202
        }
      }
      $config = ContentLanguageSettings::loadByEntityTypeBundle($entity_type_id, $bundle);
203 204
      $config->setDefaultLangcode($form_state->getValue([$element_name, 'langcode']));
      $config->setLanguageAlterable($form_state->getValue([$element_name, 'language_alterable']));
205
      $config->save();
206 207 208

      // Set the form_state languaged with the updated bundle.
      $form_state->set('language', $language);
209 210 211 212
    }
  }
}

213 214 215 216 217 218 219 220 221 222 223
/**
 * Implements hook_entity_bundle_delete().
 */
function language_entity_bundle_delete($entity_type_id, $bundle) {
  // Remove the content language settings associated with the bundle.
  $settings = ContentLanguageSettings::loadByEntityTypeBundle($entity_type_id, $bundle);
  if (!$settings->isNew()) {
    $settings->delete();
  }
}

224 225 226 227 228 229 230 231 232 233 234 235
/**
 * Returns the default language code assigned to an entity type and a bundle.
 *
 * @param string $entity_type
 *   The entity type.
 * @param string $bundle
 *   The bundle name.
 *
 * @return string
 *   The language code.
 */
function language_get_default_langcode($entity_type, $bundle) {
236
  $configuration = ContentLanguageSettings::loadByEntityTypeBundle($entity_type, $bundle);
237 238

  $default_value = NULL;
239
  $language_interface = \Drupal::languageManager()->getCurrentLanguage();
240
  switch ($configuration->getDefaultLangcode()) {
241
    case LanguageInterface::LANGCODE_SITE_DEFAULT:
242
      $default_value = \Drupal::languageManager()->getDefaultLanguage()->getId();
243 244 245
      break;

    case 'current_interface':
246
      $default_value = $language_interface->getId();
247 248 249
      break;

    case 'authors_default':
250
      $user = \Drupal::currentUser();
251 252 253
      $language_code = $user->getPreferredLangcode();
      if (!empty($language_code)) {
        $default_value = $language_code;
254 255
      }
      else {
256
        $default_value = $language_interface->getId();
257 258 259 260 261 262 263 264 265
      }
      break;
  }
  if ($default_value) {
    return $default_value;
  }

  // If we still do not have a default value, just return the value stored in
  // the configuration; it has to be an actual language code.
266
  return $configuration->getDefaultLangcode();
267 268
}

269
/**
270
 * Reads language prefixes and uses the langcode if no prefix is set.
271 272 273
 *
 * @deprecated in Drupal 8.0.x-dev, will be removed before Drupal 9.0.0.
 *   Use \Drupal::config('language.negotiation')->get('url.prefixes') instead.
274 275
 *
 * @see https://www.drupal.org/node/2912748
276
 */
277 278 279
function language_negotiation_url_prefixes() {
  return \Drupal::config('language.negotiation')->get('url.prefixes');
}
280

281 282 283 284
/**
 * Update the list of prefixes from the installed languages.
 */
function language_negotiation_url_prefixes_update() {
285 286
  $config = \Drupal::configFactory()->getEditable('language.negotiation');
  $prefixes = $config->get('url.prefixes');
287
  foreach (\Drupal::languageManager()->getLanguages() as $language) {
288 289
    // The prefix for this language should be updated if it's not assigned yet
    // or the prefix is set to the empty string.
290
    if (empty($prefixes[$language->getId()])) {
291 292
      // For the default language, set the prefix to the empty string,
      // otherwise use the langcode.
293
      $prefixes[$language->getId()] = $language->isDefault() ? '' : $language->getId();
294 295 296
    }
    // Otherwise we keep the configured prefix.
  }
297
  $config->set('url.prefixes', $prefixes)->save();
298
}
299

300 301
/**
 * Reads language domains.
302 303 304
 *
 * @deprecated in Drupal 8.0.x-dev, will be removed before Drupal 9.0.0.
 *   Use \Drupal::config('language.negotiation')->get('url.domains') instead.
305 306
 *
 * @see https://www.drupal.org/node/2912748
307 308 309
 */
function language_negotiation_url_domains() {
  return \Drupal::config('language.negotiation')->get('url.domains');
310 311 312
}

/**
313
 * Implements hook_modules_installed().
314
 */
315
function language_modules_installed($modules) {
316
  if (!in_array('language', $modules)) {
317 318 319 320
    // Since newly (un)installed modules may change the default settings for
    // non-locked language types (e.g. content language), we need to resave the
    // language type configuration.
    /** @var \Drupal\language\LanguageNegotiatorInterface $negotiator */
321
    $negotiator = \Drupal::service('language_negotiator');
322 323
    $configurable = \Drupal::config('language.types')->get('configurable');
    $negotiator->updateConfiguration($configurable);
324 325
    $negotiator->purgeConfiguration();
  }
326 327 328 329 330
  else {
    // In language_entity_base_field_info_alter() we are altering view/form
    // display definitions to make language fields display configurable. Since
    // this is not a hard dependency, and thus is not detected by the config
    // system, we have to clean up the related values manually.
331
    foreach (['entity_view_display', 'entity_form_display'] as $key) {
332 333 334 335 336 337 338
      $displays = \Drupal::entityManager()->getStorage($key)->loadMultiple();
      /** @var \Drupal\Core\Entity\Display\EntityDisplayInterface $display */
      foreach ($displays as $display) {
        $display->save();
      }
    }
  }
339 340 341
}

/**
342
 * Implements hook_modules_uninstalled().
343
 */
344 345
function language_modules_uninstalled($modules) {
  language_modules_installed($modules);
346 347 348
}

/**
349
 * Implements hook_preprocess_HOOK() for block templates.
350 351
 */
function language_preprocess_block(&$variables) {
352
  if ($variables['configuration']['provider'] == 'language') {
353
    $variables['attributes']['role'] = 'navigation';
354 355 356
  }
}

357 358 359 360 361 362 363 364
/**
 * Returns language mappings between browser and Drupal language codes.
 *
 * @return array
 *   An array containing browser language codes as keys with corresponding
 *   Drupal language codes as values.
 */
function language_get_browser_drupal_langcode_mappings() {
365
  $config = \Drupal::config('language.mappings');
366
  if ($config->isNew()) {
367
    return [];
368
  }
369
  return $config->get('map');
370 371
}

372 373 374
/**
 * Implements hook_form_alter().
 */
375
function language_form_alter(&$form, FormStateInterface $form_state) {
376 377 378
  // Content entity forms may have added a langcode field. But content language
  // configuration should decide if it should be exposed or not in the forms.
  $form_object = $form_state->getFormObject();
379
  if ($form_object instanceof ContentEntityFormInterface && $form_object->getEntity()->getEntityType()->hasKey('langcode')) {
380
    /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
381 382 383
    $entity = $form_object->getEntity();
    $entity_type = $entity->getEntityType();
    $langcode_key = $entity_type->getKey('langcode');
384
    if (isset($form[$langcode_key])) {
385 386
      $language_configuration = ContentLanguageSettings::loadByEntityTypeBundle($entity->getEntityTypeId(), $entity->bundle());
      $form[$langcode_key]['#access'] = $language_configuration->isLanguageAlterable();
387 388 389 390
    }
  }
}

391 392 393 394 395 396 397
/**
 * Implements hook_field_info_alter().
 */
function language_field_info_alter(&$info) {
  // Change the default behavior of language field.
  $info['language']['class'] = '\Drupal\language\DefaultLanguageItem';
}
398 399 400 401 402

/**
 * Implements hook_entity_field_access()
 */
function language_entity_field_access($operation, FieldDefinitionInterface $field_definition, AccountInterface $account, FieldItemListInterface $items = NULL) {
403 404 405 406
  // Only allow edit access on a langcode field if the entity it is attached to
  // is configured to have an alterable language. Also without items we can not
  // decide whether or not to allow access.
  if ($items && $operation == 'edit') {
407 408 409 410 411 412 413 414
    // Check if we are dealing with a langcode field.
    $langcode_key = $items->getEntity()->getEntityType()->getKey('langcode');
    if ($field_definition->getName() == $langcode_key) {
      // Grant access depending on whether the entity language can be altered.
      $entity = $items->getEntity();
      $config = ContentLanguageSettings::loadByEntityTypeBundle($entity->getEntityTypeId(), $entity->bundle());
      return AccessResult::forbiddenIf(!$config->isLanguageAlterable());
    }
415 416 417
  }
  return AccessResult::neutral();
}
418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435

/**
 * Implements hook_tour_tips_alter().
 */
function language_tour_tips_alter(array &$tour_tips, EntityInterface $entity) {
  foreach ($tour_tips as $tour_tip) {
    if ($tour_tip->get('id') == 'language-overview') {
      $additional_overview = '';
      if (Drupal::service('module_handler')->moduleExists('locale')) {
        $additional_overview = t("This page also provides an overview of how much of the site's interface has been translated for each configured language.");
      }
      else {
        $additional_overview = t("If the Interface Translation module is enabled, this page will provide an overview of how much of the site's interface has been translated for each configured language.");
      }
      $tour_tip->set('body', $tour_tip->get('body') . '<p>' . $additional_overview . '</p>');
    }
    elseif ($tour_tip->get('id') == 'language-continue') {
      $additional_continue = '';
436
      $additional_modules = [];
437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455
      if (!Drupal::service('module_handler')->moduleExists('locale')) {
        $additional_modules[] = Drupal::service('module_handler')->getName('locale');
      }
      if (!Drupal::service('module_handler')->moduleExists('content_translation')) {
        $additional_modules[] = Drupal::service('module_handler')->getName('content_translation');
      }
      if (!empty($additional_modules)) {
        $additional_continue = t('Depending on your site features, additional modules that you might want to enable are:') . '<ul>';
        foreach ($additional_modules as $additional_module) {
          $additional_continue .= '<li>' . $additional_module . '</li>';
        }
        $additional_continue .= '</ul>';
      }
      if (!empty($additional_continue)) {
        $tour_tip->set('body', $tour_tip->get('body') . '<p>' . $additional_continue . '</p>');
      }
    }
  }
}
456 457 458 459 460 461 462 463 464 465 466 467 468

/**
 * Implements hook_language_types_info_alter().
 *
 * We can't set the fixed properties in \Drupal\Core\Language\LanguageManager,
 * where the rest of the properties for the default language types are defined.
 * The LanguageNegation classes are only loaded when the language module is
 * enabled and we can't be sure of that in the LanguageManager.
 */
function language_language_types_info_alter(array &$language_types) {
  $language_types[LanguageInterface::TYPE_CONTENT]['fixed'] = [LanguageNegotiationUI::METHOD_ID];
  $language_types[LanguageInterface::TYPE_URL]['fixed'] = [LanguageNegotiationUrl::METHOD_ID, LanguageNegotiationUrlFallback::METHOD_ID];
}