DomainLangNegotiationConfigureForm.php in Domain Lang 8

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src/Form/DomainLangNegotiationConfigureForm.php
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<?php

namespace Drupal\domain_lang\Form;

use Drupal\Core\Block\BlockManagerInterface;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Extension\ThemeHandlerInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Routing\RouteProviderInterface;
use Drupal\Core\Url;
use Drupal\domain_lang\DomainLangHandlerInterface;
use Drupal\language\ConfigurableLanguageManagerInterface;
use Drupal\language\Form\NegotiationConfigureForm;
use Drupal\language\LanguageNegotiatorInterface;
use Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationSelected;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Routing\Exception\RouteNotFoundException;

/**
 * Configure the selected language negotiation method for this site.
 */
class DomainLangNegotiationConfigureForm extends NegotiationConfigureForm {

  /**
   * The domain lang handler.
   *
   * @var \Drupal\domain_lang\DomainLangHandlerInterface
   */
  protected $domainLangHandler;

  /**
   * Route provider.
   *
   * @var \Drupal\Core\Routing\RouteProviderInterface
   */
  protected $routeProvider;

  /**
   * Language mappings config name for current active domain.
   *
   * @var string
   */
  protected $languageTypesConfig;

  /**
   * 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.
   * @param \Drupal\domain_lang\DomainLangHandlerInterface $domain_lang_handler
   *   The domain lang handler.
   * @param \Drupal\Core\Routing\RouteProviderInterface $route_provider
   *   Route provider.
   */
  public function __construct(ConfigFactoryInterface $config_factory, ConfigurableLanguageManagerInterface $language_manager, LanguageNegotiatorInterface $negotiator, BlockManagerInterface $block_manager, ThemeHandlerInterface $theme_handler, EntityStorageInterface $block_storage = NULL, DomainLangHandlerInterface $domain_lang_handler, RouteProviderInterface $route_provider) {
    parent::__construct($config_factory, $language_manager, $negotiator, $block_manager, $theme_handler, $block_storage);
    $this->domainLangHandler = $domain_lang_handler;
    $this->routeProvider = $route_provider;
    $this->languageTypesConfig = $this->domainLangHandler
      ->getDomainConfigName('language.types');
    $this->languageTypes = $this
      ->config($this->languageTypesConfig);

    // Fill with initial values on first page visit.
    if ($this->languageTypes
      ->isNew()) {
      $this->languageTypes
        ->merge($this
        ->config('language.types')
        ->get());
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {

    /** @var \Drupal\Core\Entity\EntityTypeManagerInterface $entity_manager */
    $entity_manager = $container
      ->get('entity_type.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, $container
      ->get('domain_lang.handler'), $container
      ->get('router.route_provider'));
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      'language.types',
      $this->languageTypesConfig,
    ];
  }

  /**
   * {@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->domainLangHandler
        ->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.
    $this->domainLangHandler
      ->updateConfiguration(array_keys(array_filter($customized)));

    // Update the language negotiations after setting the configurability.
    foreach ($method_weights_type as $type => $method_weights) {
      $this->domainLangHandler
        ->saveConfiguration($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();
    $this
      ->messenger()
      ->addStatus($this
      ->t('Language detection configuration saved.'));
  }

  /**
   * {@inheritdoc}
   */
  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' => $this
            ->t('Weight for @title language detection method', [
            '@title' => mb_strtolower($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' => $this
            ->t('Enable @title language detection method', [
            '@title' => mb_strtolower($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'])) {
          $new_route = 'domain_lang.' . substr($method['config_route_name'], 9);
          try {
            $this->routeProvider
              ->getRouteByName($new_route);
            $config_url = Url::fromRoute($new_route, [
              'domain' => $this->domainLangHandler
                ->getDomainFromUrl()
                ->id(),
            ]);
          } catch (RouteNotFoundException $e) {
            $config_url = Url::fromRoute($method['config_route_name']);
          }
          $config_op['configure'] = [
            'title' => $this
              ->t('Configure'),
            'url' => $config_url,
          ];

          // 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;
  }

}
Classes

Name	Description
DomainLangNegotiationConfigureForm	Configure the selected language negotiation method for this site.
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DomainLangNegotiationConfigureForm.php in Domain Lang 8

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