diff core/modules/language/src/LanguageListBuilder.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/language/src/LanguageListBuilder.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,163 @@
+<?php
+
+namespace Drupal\language;
+
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Config\Entity\DraggableListBuilder;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityStorageInterface;
+use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Language\LanguageManagerInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Defines a class to build a listing of language entities.
+ *
+ * @see \Drupal\language\Entity\ConfigurableLanguage
+ */
+class LanguageListBuilder extends DraggableListBuilder {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $entitiesKey = 'languages';
+
+  /**
+   * The language manager.
+   *
+   * @var \Drupal\Core\Language\LanguageManagerInterface
+   */
+  protected $languageManager;
+
+  /**
+   * The configuration factory.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
+    return new static(
+      $entity_type,
+      $container->get('entity.manager')->getStorage($entity_type->id()),
+      $container->get('language_manager'),
+      $container->get('config.factory')
+    );
+  }
+
+  /**
+   * Constructs a new LanguageListBuilder object.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
+   *   The entity type definition.
+   * @param \Drupal\Core\Entity\EntityStorageInterface $storage
+   *   The entity storage handler class.
+   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+   *   The language manager.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   *   The factory for configuration objects.
+   */
+  public function __construct(EntityTypeInterface $entity_type, EntityStorageInterface $storage, LanguageManagerInterface $language_manager, ConfigFactoryInterface $config_factory) {
+    parent::__construct($entity_type, $storage);
+    $this->languageManager = $language_manager;
+    $this->configFactory = $config_factory;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function load() {
+    $entities = $this->storage->loadByProperties(['locked' => FALSE]);
+
+    // Sort the entities using the entity class's sort() method.
+    // See \Drupal\Core\Config\Entity\ConfigEntityBase::sort().
+    uasort($entities, [$this->entityType->getClass(), 'sort']);
+    return $entities;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'language_admin_overview_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildHeader() {
+    $header = [
+        'label' => t('Name'),
+        'default' => t('Default'),
+      ] + parent::buildHeader();
+    return $header;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildRow(EntityInterface $entity) {
+    $row['label'] = $entity->label();
+    $row['default'] = [
+      '#type' => 'radio',
+      '#parents' => ['site_default_language'],
+      '#title' => t('Set @title as default', ['@title' => $entity->label()]),
+      '#title_display' => 'invisible',
+      '#return_value' => $entity->id(),
+      '#id' => 'edit-site-default-language-' . $entity->id(),
+    ];
+    // Mark the right language as default in the form.
+    if ($entity->id() == $this->languageManager->getDefaultLanguage()->getId()) {
+      $row['default']['#default_value'] = $entity->id();
+    }
+    return $row + parent::buildRow($entity);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $form = parent::buildForm($form, $form_state);
+
+    $form[$this->entitiesKey]['#languages'] = $this->entities;
+    $form['actions']['submit']['#value'] = t('Save configuration');
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validateForm(array &$form, FormStateInterface $form_state) {
+    if (!isset($this->entities[$form_state->getValue('site_default_language')])) {
+      $form_state->setErrorByName('site_default_language', $this->t('Selected default language no longer exists.'));
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    parent::submitForm($form, $form_state);
+
+    // Save the default language if changed.
+    $new_id = $form_state->getValue('site_default_language');
+    if ($new_id != $this->languageManager->getDefaultLanguage()->getId()) {
+      $this->configFactory->getEditable('system.site')->set('default_langcode', $new_id)->save();
+      $this->languageManager->reset();
+    }
+
+    if ($this->languageManager instanceof ConfigurableLanguageManagerInterface) {
+      $this->languageManager->updateLockedLanguageWeights();
+    }
+
+    drupal_set_message(t('Configuration saved.'));
+    // Force the redirection to the page with the language we have just
+    // selected as default.
+    $form_state->setRedirectUrl($this->entities[$new_id]->urlInfo('collection', ['language' => $this->entities[$new_id]]));
+  }
+
+}