--- /dev/null
+<?php
+
+namespace Drupal\language\Form;
+
+use Drupal\Core\Block\BlockManagerInterface;
+use Drupal\Component\Utility\Unicode;
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Entity\EntityStorageInterface;
+use Drupal\Core\Extension\ThemeHandlerInterface;
+use Drupal\Core\Form\ConfigFormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Url;
+use Drupal\language\ConfigurableLanguageManagerInterface;
+use Drupal\language\LanguageNegotiatorInterface;
+use Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationSelected;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Configure the selected language negotiation method for this site.
+ */
+class NegotiationConfigureForm extends ConfigFormBase {
+
+ /**
+ * Stores the configuration object for language.types.
+ *
+ * @var \Drupal\Core\Config\Config
+ */
+ protected $languageTypes;
+
+ /**
+ * The language manager.
+ *
+ * @var \Drupal\language\ConfigurableLanguageManagerInterface
+ */
+ protected $languageManager;
+
+ /**
+ * The language negotiator.
+ *
+ * @var \Drupal\language\LanguageNegotiatorInterface
+ */
+ protected $negotiator;
+
+ /**
+ * The block manager.
+ *
+ * @var \Drupal\Core\Block\BlockManagerInterface
+ */
+ protected $blockManager;
+
+ /**
+ * The block storage.
+ *
+ * @var \Drupal\Core\Entity\EntityStorageInterface|null
+ */
+ protected $blockStorage;
+
+ /**
+ * The theme handler.
+ *
+ * @var \Drupal\Core\Extension\ThemeHandlerInterface
+ */
+ protected $themeHandler;
+
+ /**
+ * Constructs a NegotiationConfigureForm object.
+ *
+ * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+ * The factory for configuration objects.
+ * @param \Drupal\language\ConfigurableLanguageManagerInterface $language_manager
+ * The language manager.
+ * @param \Drupal\language\LanguageNegotiatorInterface $negotiator
+ * The language negotiation methods manager.
+ * @param \Drupal\Core\Block\BlockManagerInterface $block_manager
+ * The block manager.
+ * @param \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler
+ * The theme handler.
+ * @param \Drupal\Core\Entity\EntityStorageInterface $block_storage
+ * The block storage, or NULL if not available.
+ */
+ public function __construct(ConfigFactoryInterface $config_factory, ConfigurableLanguageManagerInterface $language_manager, LanguageNegotiatorInterface $negotiator, BlockManagerInterface $block_manager, ThemeHandlerInterface $theme_handler, EntityStorageInterface $block_storage = NULL) {
+ parent::__construct($config_factory);
+ $this->languageTypes = $this->config('language.types');
+ $this->languageManager = $language_manager;
+ $this->negotiator = $negotiator;
+ $this->blockManager = $block_manager;
+ $this->themeHandler = $theme_handler;
+ $this->blockStorage = $block_storage;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container) {
+ $entity_manager = $container->get('entity.manager');
+ $block_storage = $entity_manager->hasHandler('block', 'storage') ? $entity_manager->getStorage('block') : NULL;
+ return new static(
+ $container->get('config.factory'),
+ $container->get('language_manager'),
+ $container->get('language_negotiator'),
+ $container->get('plugin.manager.block'),
+ $container->get('theme_handler'),
+ $block_storage
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormId() {
+ return 'language_negotiation_configure_form';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getEditableConfigNames() {
+ return ['language.types'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state) {
+ $configurable = $this->languageTypes->get('configurable');
+
+ $form = [
+ '#theme' => 'language_negotiation_configure_form',
+ '#language_types_info' => $this->languageManager->getDefinedLanguageTypesInfo(),
+ '#language_negotiation_info' => $this->negotiator->getNegotiationMethods(),
+ ];
+ $form['#language_types'] = [];
+
+ foreach ($form['#language_types_info'] as $type => $info) {
+ // Show locked language types only if they are configurable.
+ if (empty($info['locked']) || in_array($type, $configurable)) {
+ $form['#language_types'][] = $type;
+ }
+ }
+
+ foreach ($form['#language_types'] as $type) {
+ $this->configureFormTable($form, $type);
+ }
+
+ $form['actions'] = ['#type' => 'actions'];
+ $form['actions']['submit'] = [
+ '#type' => 'submit',
+ '#button_type' => 'primary',
+ '#value' => $this->t('Save settings'),
+ ];
+
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) {
+ $configurable_types = $form['#language_types'];
+
+ $stored_values = $this->languageTypes->get('configurable');
+ $customized = [];
+ $method_weights_type = [];
+
+ foreach ($configurable_types as $type) {
+ $customized[$type] = in_array($type, $stored_values);
+ $method_weights = [];
+ $enabled_methods = $form_state->getValue([$type, 'enabled']);
+ $enabled_methods[LanguageNegotiationSelected::METHOD_ID] = TRUE;
+ $method_weights_input = $form_state->getValue([$type, 'weight']);
+ if ($form_state->hasValue([$type, 'configurable'])) {
+ $customized[$type] = !$form_state->isValueEmpty([$type, 'configurable']);
+ }
+
+ foreach ($method_weights_input as $method_id => $weight) {
+ if ($enabled_methods[$method_id]) {
+ $method_weights[$method_id] = $weight;
+ }
+ }
+
+ $method_weights_type[$type] = $method_weights;
+ $this->languageTypes->set('negotiation.' . $type . '.method_weights', $method_weights_input)->save();
+ }
+
+ // Update non-configurable language types and the related language
+ // negotiation configuration.
+ $this->negotiator->updateConfiguration(array_keys(array_filter($customized)));
+
+ // Update the language negotiations after setting the configurability.
+ foreach ($method_weights_type as $type => $method_weights) {
+ $this->negotiator->saveConfiguration($type, $method_weights);
+ }
+
+ // Clear block definitions cache since the available blocks and their names
+ // may have been changed based on the configurable types.
+ if ($this->blockStorage) {
+ // If there is an active language switcher for a language type that has
+ // been made not configurable, deactivate it first.
+ $non_configurable = array_keys(array_diff($customized, array_filter($customized)));
+ $this->disableLanguageSwitcher($non_configurable);
+ }
+ $this->blockManager->clearCachedDefinitions();
+
+ $form_state->setRedirect('language.negotiation');
+ drupal_set_message($this->t('Language detection configuration saved.'));
+ }
+
+ /**
+ * Builds a language negotiation method configuration table.
+ *
+ * @param array $form
+ * The language negotiation configuration form.
+ * @param string $type
+ * The language type to generate the table for.
+ */
+ protected function configureFormTable(array &$form, $type) {
+ $info = $form['#language_types_info'][$type];
+
+ $table_form = [
+ '#title' => $this->t('@type language detection', ['@type' => $info['name']]),
+ '#tree' => TRUE,
+ '#description' => $info['description'],
+ '#language_negotiation_info' => [],
+ '#show_operations' => FALSE,
+ 'weight' => ['#tree' => TRUE],
+ ];
+ // Only show configurability checkbox for the unlocked language types.
+ if (empty($info['locked'])) {
+ $configurable = $this->languageTypes->get('configurable');
+ $table_form['configurable'] = [
+ '#type' => 'checkbox',
+ '#title' => $this->t('Customize %language_name language detection to differ from Interface text language detection settings', ['%language_name' => $info['name']]),
+ '#default_value' => in_array($type, $configurable),
+ '#attributes' => ['class' => ['language-customization-checkbox']],
+ '#attached' => [
+ 'library' => [
+ 'language/drupal.language.admin'
+ ],
+ ],
+ ];
+ }
+
+ $negotiation_info = $form['#language_negotiation_info'];
+ $enabled_methods = $this->languageTypes->get('negotiation.' . $type . '.enabled') ?: [];
+ $methods_weight = $this->languageTypes->get('negotiation.' . $type . '.method_weights') ?: [];
+
+ // Add missing data to the methods lists.
+ foreach ($negotiation_info as $method_id => $method) {
+ if (!isset($methods_weight[$method_id])) {
+ $methods_weight[$method_id] = isset($method['weight']) ? $method['weight'] : 0;
+ }
+ }
+
+ // Order methods list by weight.
+ asort($methods_weight);
+
+ foreach ($methods_weight as $method_id => $weight) {
+ // A language method might be no more available if the defining module has
+ // been disabled after the last configuration saving.
+ if (!isset($negotiation_info[$method_id])) {
+ continue;
+ }
+
+ $enabled = isset($enabled_methods[$method_id]);
+ $method = $negotiation_info[$method_id];
+
+ // List the method only if the current type is defined in its 'types' key.
+ // If it is not defined default to all the configurable language types.
+ $types = array_flip(isset($method['types']) ? $method['types'] : $form['#language_types']);
+
+ if (isset($types[$type])) {
+ $table_form['#language_negotiation_info'][$method_id] = $method;
+ $method_name = $method['name'];
+
+ $table_form['weight'][$method_id] = [
+ '#type' => 'weight',
+ '#title' => $this->t('Weight for @title language detection method', ['@title' => Unicode::strtolower($method_name)]),
+ '#title_display' => 'invisible',
+ '#default_value' => $weight,
+ '#attributes' => ['class' => ["language-method-weight-$type"]],
+ '#delta' => 20,
+ ];
+
+ $table_form['title'][$method_id] = ['#plain_text' => $method_name];
+
+ $table_form['enabled'][$method_id] = [
+ '#type' => 'checkbox',
+ '#title' => $this->t('Enable @title language detection method', ['@title' => Unicode::strtolower($method_name)]),
+ '#title_display' => 'invisible',
+ '#default_value' => $enabled,
+ ];
+ if ($method_id === LanguageNegotiationSelected::METHOD_ID) {
+ $table_form['enabled'][$method_id]['#default_value'] = TRUE;
+ $table_form['enabled'][$method_id]['#attributes'] = ['disabled' => 'disabled'];
+ }
+
+ $table_form['description'][$method_id] = ['#markup' => $method['description']];
+
+ $config_op = [];
+ if (isset($method['config_route_name'])) {
+ $config_op['configure'] = [
+ 'title' => $this->t('Configure'),
+ 'url' => Url::fromRoute($method['config_route_name']),
+ ];
+ // If there is at least one operation enabled show the operation
+ // column.
+ $table_form['#show_operations'] = TRUE;
+ }
+ $table_form['operation'][$method_id] = [
+ '#type' => 'operations',
+ '#links' => $config_op,
+ ];
+ }
+ }
+ $form[$type] = $table_form;
+ }
+
+ /**
+ * Disables the language switcher blocks.
+ *
+ * @param array $language_types
+ * An array containing all language types whose language switchers need to
+ * be disabled.
+ */
+ protected function disableLanguageSwitcher(array $language_types) {
+ $theme = $this->themeHandler->getDefault();
+ $blocks = $this->blockStorage->loadByProperties(['theme' => $theme]);
+ foreach ($language_types as $language_type) {
+ foreach ($blocks as $block) {
+ if ($block->getPluginId() == 'language_block:' . $language_type) {
+ $block->delete();
+ }
+ }
+ }
+ }
+
+}
projects / yaffs-website / blobdiff