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|
<?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 Drupal\Core\Messenger\MessengerInterface;
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;
/**
* The messenger.
*
* @var \Drupal\Core\Messenger\MessengerInterface
*/
protected $messenger;
/**
* {@inheritdoc}
*/
public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
return new static(
$entity_type,
$container->get('entity_type.manager')->getStorage($entity_type->id()),
$container->get('language_manager'),
$container->get('config.factory'),
$container->get('messenger')
);
}
/**
* 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.
* @param \Drupal\Core\Messenger\MessengerInterface $messenger
* The messenger.
*/
public function __construct(EntityTypeInterface $entity_type, EntityStorageInterface $storage, LanguageManagerInterface $language_manager, ConfigFactoryInterface $config_factory, MessengerInterface $messenger) {
parent::__construct($entity_type, $storage);
$this->languageManager = $language_manager;
$this->configFactory = $config_factory;
$this->messenger = $messenger;
}
/**
* {@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' => $this->t('Name'),
'default' => $this->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' => $this->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'] = $this->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();
}
$this->messenger->addStatus($this->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]->toUrl('collection', ['language' => $this->entities[$new_id]]));
}
}
|
