Issue #1739928 by vasi1186, YesCT, webflo, Transition, plach, Gábor Hojtsy:...

Issue #1739928 by vasi1186, YesCT, webflo, Transition, plach, Gábor Hojtsy: Generalize language configuration on content types to apply to terms and other entities.

core/modules/comment/lib/Drupal/comment/Tests/CommentLanguageTest.php

@@ -52,7 +52,7 @@ function setUp() {
     $this->drupalPost('admin/config/regional/language/add', $edit, t('Add language'));
 
     // Set "Article" content type to use multilingual support.
-    $edit = array('node_type_language_hidden' => FALSE);
+    $edit = array('language_configuration[language_hidden]' => FALSE);
     $this->drupalPost('admin/structure/types/manage/article', $edit, t('Save content type'));
 
     // Enable content language negotiation UI.

core/modules/field/modules/text/lib/Drupal/text/Tests/TextTranslationTest.php

@@ -51,7 +51,7 @@ function setUp() {
     $this->drupalPost('admin/config/regional/language/add', $edit, t('Add language'));
 
     // Set "Article" content type to use multilingual support with translation.
-    $edit = array('node_type_language_hidden' => FALSE, 'node_type_language_translation_enabled' => TRUE);
+    $edit = array('language_configuration[language_hidden]' => FALSE, 'node_type_language_translation_enabled' => TRUE);
     $this->drupalPost('admin/structure/types/manage/article', $edit, t('Save content type'));
     $this->assertRaw(t('The content type %type has been updated.', array('%type' => 'Article')), 'Article content type has been updated.');
   }

core/modules/language/language.module

@@ -232,6 +232,222 @@ function language_process_language_select($element) {
   return $element;
 }
 
+/**
+ * Implements hook_element_info().
+ */
+function language_element_info() {
+  $types['language_configuration'] = array(
+    '#input' => TRUE,
+    '#tree' => TRUE,
+    '#process' => array('language_configuration_element_process'),
+  );
+  return $types;
+}
+
+/**
+ * Returns the default options for the language configuration form element.
+ *
+ * @return array
+ *   An array containing the default options.
+ */
+function language_configuration_element_default_options() {
+  $language_options = array();
+
+  $languages = language_list(LANGUAGE_ALL);
+  foreach ($languages as $langcode => $language) {
+    $language_options[$langcode] = $language->locked ? t('- @name -', array('@name' => $language->name)) : $language->name;
+  }
+
+  $language_options += array(
+    'site_default' => t("Site's default language (!language)", array('!language' => language_default()->name)),
+    'current_interface' => t('Current interface language'),
+    'authors_default' => t("Author's preferred language"),
+  );
+  return $language_options;
+}
+
+/**
+ * Process handler for the language_configuration form element.
+ */
+function language_configuration_element_process($element, &$form_state, &$form) {
+  $options = isset($element['#options']) ? $element['#options'] : array();
+  // Avoid validation failure since we are moving the '#options' key in the
+  // nested 'language' select element.
+  unset($element['#options']);
+  $element['langcode'] = array(
+    '#type' => 'select',
+    '#title' => t('Default language'),
+    '#options' => $options + language_configuration_element_default_options(),
+    '#description' => t('Explanation of the language options is found on the <a href="@languages_list_page">languages list page</a>.', array('@languages_list_page' => url('admin/config/regional/language'))),
+    '#default_value' => isset($element['#default_value']['langcode']) ? $element['#default_value']['langcode'] : NULL,
+  );
+
+  $element['language_hidden'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Hide language selection'),
+    '#default_value' => isset($element['#default_value']['language_hidden']) ? $element['#default_value']['language_hidden'] : NULL,
+    '#description' => t('Language selector appears on create and edit pages.'),
+  );
+
+  // Add the entity type and bundle information to the form if they are set.
+  // They will be used, in the submit handler, to generate the names of the
+  // variables that will store the settings and are a way to uniquely identify
+  // the entity.
+  if (!isset($form_state['language'])) {
+    $form_state['language'] = array();
+  }
+  $form_state['language'] += array(
+    $element['#name'] => array(
+      'entity_type' => $element['#entity_information']['entity_type'],
+      'bundle' => $element['#entity_information']['bundle'],
+    ),
+  );
+
+  return $element;
+}
+
+/**
+ * Submit handler for the forms that have a language_configuration element.
+ */
+function language_configuration_element_submit(&$form, &$form_state) {
+  // Iterate through all the language_configuration elements and save their
+  // values.
+  if (isset($form_state['language'])) {
+    foreach ($form_state['language'] as $element_name => $values) {
+      language_save_default_configuration($values['entity_type'], $values['bundle'],  $form_state['values'][$element_name]);
+    }
+  }
+}
+
+/**
+ * Saves a language configuration that is attached to an entity type and bundle.
+ *
+ * @param string $entity_type
+ *   A string representing the entity type.
+ * @param string $bundle
+ *   A string representing the bundle.
+ * @param array $values
+ *   An array holding the values to be saved having the following keys:
+ *   - langcode: the language code.
+ *   - language_hidden: if the language element should be hidden or not.
+ */
+function language_save_default_configuration($entity_type, $bundle, $values = array()) {
+  config('language.settings')->set(language_get_default_configuration_settings_key($entity_type, $bundle), array('langcode' => $values['langcode'], 'language_hidden' => $values['language_hidden']))->save();
+}
+
+/**
+ * Returns the language configuration stored for an entity type and bundle.
+ *
+ * @param string $entity_type
+ *   A string representing the entity type.
+ * @param string $bundle
+ *   A string representing the bundle.
+ *
+ * @return array
+ *   An array with the following keys:
+ *   - langcode: the language code.
+ *   - language_hidden: if the language element is hidden or not.
+ */
+function language_get_default_configuration($entity_type, $bundle) {
+  $configuration = config('language.settings')->get(language_get_default_configuration_settings_key($entity_type, $bundle));
+  if (is_null($configuration)) {
+    $configuration = array();
+  }
+  $configuration += array('langcode' => 'site_default', 'language_hidden' => TRUE);
+  return $configuration;
+}
+
+/**
+ * Clears the default language configuration for an entity type and bundle.
+ *
+ * @param string $entity_type
+ *   A string representing the entity type.
+ * @param string $bundle
+ *   A string representing the bundle.
+ */
+function language_clear_default_configuration($entity_type, $bundle) {
+  config('language.settings')->clear(language_get_default_configuration_settings_key($entity_type, $bundle))->save();
+}
+
+/**
+ * Returns the root name of the variables used to store the configuration.
+ *
+ * Based on the entity type and bundle, the variables used to store the
+ * configuration will have a common root name.
+ *
+ * @param string $entity_type
+ *   A string representing the entity type.
+ * @param string $bundle
+ *   A string representing the bundle.
+ *
+ * @return string
+ *   The root name of the variables.
+ */
+function language_get_default_configuration_settings_key($entity_type, $bundle) {
+  // Replace all the characters that are not letters, numbers or "_" with "_".
+  $entity_type = preg_replace('/[^0-9a-zA-Z_]/', "_", $entity_type);
+  $bundle = preg_replace('/[^0-9a-zA-Z_]/', "_", $bundle);
+  return $entity_type . '.' . $bundle . '.language.default_configuration';
+}
+
+/**
+ * Implements hook_node_type_update().
+ */
+function language_node_type_update($info) {
+  if (!empty($info->old_type) && $info->old_type != $info->type) {
+    language_save_default_configuration('node', $info->type, language_get_default_configuration('node', $info->old_type));
+    language_clear_default_configuration('node', $info->old_type);
+  }
+}
+
+/**
+ * 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) {
+  $configuration = language_get_default_configuration($entity_type, $bundle);
+
+  if (!isset($configuration['langcode'])) {
+    $configuration['langcode'] = 'site_default';
+  }
+
+  $default_value = NULL;
+  $language_interface = language(LANGUAGE_TYPE_INTERFACE);
+  switch ($configuration['langcode']) {
+    case 'site_default':
+      $default_value = language_default()->langcode;
+      break;
+
+    case 'current_interface':
+      $default_value = $language_interface->langcode;
+      break;
+
+    case 'authors_default':
+      global $user;
+      if (!empty($user->preferred_langcode)) {
+        $default_value = $user->preferred_langcode;
+      }
+      else {
+        $default_value = $language_interface->langcode;
+      }
+      break;
+  }
+  if ($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.
+  return $configuration['langcode'];
+}
+
 /**
  * API function to add or update a language.
  *
@@ -292,6 +508,7 @@ function language_update_count() {
  *
  * @param $langcode
  *   Language code of the language to be deleted.
+ *
  * @return
  *   TRUE if language is successfully deleted. Otherwise FALSE.
  */

core/modules/language/lib/Drupal/language/Tests/LanguageConfigurationElementTest.php

+<?php
+
+/**
+ * @file
+ * Definition of Drupal\language\Tests\LanguageConfigurationElementTest.
+ */
+
+namespace Drupal\language\Tests;
+
+use Drupal\simpletest\WebTestBase;
+use Drupal\Core\Language\Language;
+
+/**
+ * Functional tests for language configuration's effect on negotiation setup.
+ */
+class LanguageConfigurationElementTest extends WebTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('language', 'language_elements_test');
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Language configuration form element tests',
+      'description' => 'Tests the features of the language configuration element field.',
+      'group' => 'Language',
+    );
+  }
+
+  /**
+   * Tests the language settings have been saved.
+   */
+  public function testLanguageConfigurationElement() {
+    $this->drupalGet('language-tests/language_configuration_element');
+    $edit['lang_configuration[langcode]'] = 'current_interface';
+    $edit['lang_configuration[language_hidden]'] = TRUE;
+    $this->drupalPost(NULL, $edit, 'Save');
+    $lang_conf = language_get_default_configuration('some_custom_type', 'some_bundle');
+
+    // Check that the settings have been saved.
+    $this->assertEqual($lang_conf['langcode'], 'current_interface');
+    $this->assertTrue($lang_conf['language_hidden']);
+    $this->drupalGet('language-tests/language_configuration_element');
+    $this->assertOptionSelected('edit-lang-configuration-langcode', 'current_interface');
+    $this->assertFieldChecked('edit-lang-configuration-language-hidden');
+
+    // Reload the page and save again.
+    $this->drupalGet('language-tests/language_configuration_element');
+    $edit['lang_configuration[langcode]'] = 'authors_default';
+    $edit['lang_configuration[language_hidden]'] = FALSE;
+    $this->drupalPost(NULL, $edit, 'Save');
+    $lang_conf = language_get_default_configuration('some_custom_type', 'some_bundle');
+
+    // Check that the settings have been saved.
+    $this->assertEqual($lang_conf['langcode'], 'authors_default');
+    $this->assertFalse($lang_conf['language_hidden']);
+    $this->drupalGet('language-tests/language_configuration_element');
+    $this->assertOptionSelected('edit-lang-configuration-langcode', 'authors_default');
+    $this->assertNoFieldChecked('edit-lang-configuration-language-hidden');
+  }
+
+  /**
+   * Tests that the language_get_default_langcode() returns the correct values.
+   */
+  public function testDefaultLangcode() {
+    // Add some custom languages.
+    foreach (array('aa', 'bb', 'cc') as $language_code) {
+      $language = new Language(array(
+        'langcode' => $language_code,
+        'name' => $this->randomName(),
+      ));
+      language_save($language);
+    }
+
+    // Fixed language.
+    language_save_default_configuration('custom_type', 'custom_bundle', array('langcode' => 'bb', 'language_hidden' => FALSE));
+    $langcode = language_get_default_langcode('custom_type', 'custom_bundle');
+    $this->assertEqual($langcode, 'bb');
+
+    // Current interface.
+    language_save_default_configuration('custom_type', 'custom_bundle', array('langcode' => 'current_interface', 'language_hidden' => FALSE));
+    $langcode = language_get_default_langcode('custom_type', 'custom_bundle');
+    $language_interface = language(LANGUAGE_TYPE_INTERFACE);
+    $this->assertEqual($langcode, $language_interface->langcode);
+
+    // Site's default.
+    $old_default = language_default();
+    $old_default->default = FALSE;
+    language_save($old_default);
+    $new_default = language_load('cc');
+    $new_default->default = TRUE;
+    language_save($new_default);
+    language_save_default_configuration('custom_type', 'custom_bundle', array('langcode' => 'site_default', 'language_hidden' => FALSE));
+    $langcode = language_get_default_langcode('custom_type', 'custom_bundle');
+    $this->assertEqual($langcode, 'cc');
+
+    // Check the default value of a language field when authors preferred option
+    // is selected.
+    // Create first an user and assign a preferred langcode to him.
+    $some_user = $this->drupalCreateUser();
+    $some_user->preferred_langcode = 'bb';
+    $some_user->save();
+    $this->drupalLogin($some_user);
+    language_save_default_configuration('custom_type', 'some_bundle', array('langcode' => 'authors_default', 'language_hidden' => FALSE));
+    $this->drupalGet('language-tests/language_configuration_element_test');
+    $this->assertOptionSelected('edit-langcode', 'bb');
+  }
+
+  /**
+   * Tests that the configuration is updated when the node type is changed.
+   */
+  public function testNodeTypeUpdate() {
+    // Create the article content type first if the profile used is not the
+    // standard one.
+    if ($this->profile != 'standard') {
+      $this->drupalCreateContentType(array('type' => 'article', 'name' => 'Article'));
+    }
+    $admin_user = $this->drupalCreateUser(array('administer content types'));
+    $this->drupalLogin($admin_user);
+    $edit = array(
+      'language_configuration[langcode]' => 'current_interface',
+      'language_configuration[language_hidden]' => FALSE,
+    );
+    $this->drupalPost('admin/structure/types/manage/article', $edit, t('Save content type'));
+    // Check the language default configuration for the articles.
+    $configuration = language_get_default_configuration('node', 'article');
+    $this->assertEqual($configuration, array('langcode' => 'current_interface', 'language_hidden' => 0), 'The default language configuration has been saved on the Article content type.');
+    // Rename the article content type.
+    $edit = array(
+      'type' => 'article_2'
+    );
+    $this->drupalPost('admin/structure/types/manage/article', $edit, t('Save content type'));
+    // Check that we still have the settings for the new node type.
+    $configuration = language_get_default_configuration('node', 'article_2');
+    $this->assertEqual($configuration, array('langcode' => 'current_interface', 'language_hidden' => 0), 'The default language configuration has been kept on the new Article content type.');
+  }
+}

core/modules/language/tests/language_elements_test/language_elements_test.info

+name = "Language form elements test"
+description = "Support module for the language form elements tests."
+core = 8.x
+package = Testing
+version = VERSION
+hidden = TRUE

core/modules/language/tests/language_elements_test/language_elements_test.module

+<?php
+
+/**
+ * @file
+ * Mock module for language form elements test.
+ */
+
+/**
+ * Implements hook_menu().
+ */
+function language_elements_test_menu() {
+  $items['language-tests/language_configuration_element'] = array(
+    'title' => 'Language configuration form element',
+    'type' => MENU_CALLBACK,
+    'access callback' => TRUE,
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('language_elements_configuration_element'),
+  );
+  $items['language-tests/language_configuration_element_test'] = array(
+    'title' => 'Language configuration form element',
+    'type' => MENU_CALLBACK,
+    'access callback' => TRUE,
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('language_elements_configuration_element_test'),
+  );
+  return $items;
+}
+
+/**
+ * A form containing a language configuration element.
+ */
+function language_elements_configuration_element() {
+  $conf = language_get_default_configuration('some_custom_type', 'some_bundle');
+
+  $form['lang_configuration'] = array(
+    '#type' => 'language_configuration',
+    '#entity_information' => array(
+      'entity_type' => 'some_custom_type',
+      'bundle' => 'some_bundle',
+    ),
+    '#default_value' => $conf,
+  );
+
+  $form['submit'] = array(
+    '#type' => 'submit',
+    '#value' => 'Save',
+  );
+  $form['#submit'][] = 'language_configuration_element_submit';
+  return $form;
+}
+
+/**
+ * A form containing a language select element.
+ */
+function language_elements_configuration_element_test() {
+  $form['langcode'] = array(
+    '#type' => 'language_select',
+    '#default_value' => language_get_default_langcode('custom_type', 'some_bundle'),
+  );
+  return $form;
+}

core/modules/locale/lib/Drupal/locale/Tests/LocaleContentTest.php

@@ -88,7 +88,7 @@ function testContentTypeLanguageConfiguration() {
     $this->drupalGet('admin/structure/types/manage/page');
     $this->assertText(t('Language settings'), t('Multilingual support fieldset present on content type configuration form.'));
     $edit = array(
-      'node_type_language_hidden' => FALSE,
+      'language_configuration[language_hidden]' => FALSE,
     );
     $this->drupalPost('admin/structure/types/manage/page', $edit, t('Save content type'));
     $this->assertRaw(t('The content type %type has been updated.', array('%type' => 'Basic page')), t('Basic page content type has been updated.'));
@@ -156,7 +156,7 @@ function testContentTypeDirLang() {
     // Set "Article" content type to use multilingual support.
     $this->drupalGet('admin/structure/types/manage/article');
     $edit = array(
-      'node_type_language_hidden' => FALSE,
+      'language_configuration[language_hidden]' => FALSE,
     );
     $this->drupalPost('admin/structure/types/manage/article', $edit, t('Save content type'));
     $this->assertRaw(t('The content type %type has been updated.', array('%type' => 'Article')), t('Article content type has been updated.'));

core/modules/locale/lib/Drupal/locale/Tests/LocaleUninstallTest.php

@@ -63,7 +63,7 @@ function testUninstallProcess() {
     $this->assertEqual(language(LANGUAGE_TYPE_INTERFACE)->langcode, $this->langcode, t('Current language: %lang', array('%lang' => language(LANGUAGE_TYPE_INTERFACE)->langcode)));
 
     // Enable multilingual workflow option for articles.
-    variable_set('node_type_language_hidden_article',FALSE);
+    language_save_default_configuration('node', 'article', array('langcode' => 'site_default', 'language_hidden' => FALSE));
     // Change JavaScript translations directory.
     variable_set('locale_js_directory', 'js_translations');
     // Build the JavaScript translation file for French.

core/modules/node/content_types.inc

@@ -206,19 +206,6 @@ function node_type_form($form, &$form_state, $type = NULL) {
     '#description' => t('Users with the <em>Administer content</em> permission will be able to override these options.'),
   );
   if (module_exists('language')) {
-    $lang_options = array();
-
-    $languages = language_list(LANGUAGE_ALL);
-    foreach ($languages as $langcode => $language) {
-      $lang_options[$langcode] = $language->locked ? t('- @name -', array('@name' => $language->name)) : $language->name;
-    }
-
-    $lang_options += array(
-      'site_default' => t("Site's default language"),
-      'current_interface' => t('Current interface language'),
-      'authors_default' => t("Author's preferred language"),
-    );
-
     $form['language'] = array(
       '#type' => 'fieldset',
       '#title' => t('Language settings'),
@@ -226,18 +213,17 @@ function node_type_form($form, &$form_state, $type = NULL) {
       '#collapsed' => TRUE,
       '#group' => 'additional_settings',
     );
-    $form['language']['node_type_language_default'] = array(
-      '#type' => 'select',
-      '#title' => t('Default language'),
-      '#options' => $lang_options,
-      '#default_value' => variable_get('node_type_language_default_' . $type->type, 'site_default'),
-      '#description' => t('Explanation of the language options is found on the <a href="@languages_list_page">languages list page</a>.', array('@languages_list_page' => url('admin/config/regional/language'))),
-    );
-    $form['language']['node_type_language_hidden'] = array(
-      '#type' => 'checkbox',
-      '#title' => t('Hide language selector'),
-      '#default_value' => variable_get('node_type_language_hidden_' . $type->type, TRUE),
+
+    $language_configuration = language_get_default_configuration('node', $type->type);
+    $form['language']['language_configuration'] = array(
+      '#type' => 'language_configuration',
+      '#entity_information' => array(
+        'entity_type' => 'node',
+        'bundle' => $type->type,
+      ),
+      '#default_value' => $language_configuration,
     );
+    $form['#submit'][] = 'language_configuration_element_submit';
   }
   $form['display'] = array(
     '#type' => 'fieldset',
@@ -293,6 +279,7 @@ function node_type_form($form, &$form_state, $type = NULL) {
       );
     }
   }
+  $form['#submit'][] = 'node_type_form_submit';
 
   return $form;
 }

core/modules/node/content_types.js

@@ -24,7 +24,7 @@ Drupal.behaviors.contentTypes = {
     $('fieldset#edit-language', context).drupalSetSummary(function(context) {
       var vals = [];
 
-      vals.push($(".form-item-node-type-language-default select option:selected", context).text());
+      vals.push($(".form-item-language-configuration-langcode select option:selected", context).text())
 
       $('input:checked', context).next('label').each(function() {
         vals.push(Drupal.checkPlain($(this).text()));

core/modules/node/lib/Drupal/node/NodeFormController.php

@@ -98,12 +98,13 @@ public function form(array $form, array &$form_state, EntityInterface $node) {
       $form['title']['#weight'] = -5;
     }
 
+    $language_configuration = module_invoke('language', 'get_default_configuration', 'node', $node->type);
     $form['langcode'] = array(
       '#title' => t('Language'),
       '#type' => 'language_select',
       '#default_value' => $node->langcode,
       '#languages' => LANGUAGE_ALL,
-      '#access' => !variable_get('node_type_language_hidden_' . $node->type, TRUE),
+      '#access' => isset($language_configuration['language_hidden']) && !$language_configuration['language_hidden'],
     );
 
     $form['additional_settings'] = array(

core/modules/node/lib/Drupal/node/Tests/NodeFieldMultilingualTestCase.php

@@ -53,7 +53,7 @@ function setUp() {
 
     // Set "Basic page" content type to use multilingual support.
     $edit = array(
-      'node_type_language_hidden' => FALSE,
+      'language_configuration[language_hidden]' => FALSE,
     );
     $this->drupalPost('admin/structure/types/manage/page', $edit, t('Save content type'));
     $this->assertRaw(t('The content type %type has been updated.', array('%type' => 'Basic page')), 'Basic page content type has been updated.');
@@ -69,7 +69,7 @@ function setUp() {
    */
   function testMultilingualNodeForm() {