summaryrefslogtreecommitdiffstats
path: root/core/modules/language/src/LanguageListBuilder.php
blob: 8d1515220434485e61ee8533fcb4c79e4936be7b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
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]]));
  }

}