LanguageFilter.php in Custom Language field 8

Namespace

Drupal\languagefield\Plugin\views\filter

File

src/Plugin/views/filter/LanguageFilter.php

<?php

namespace Drupal\languagefield\Plugin\views\filter;

use Drupal\views\FieldAPIHandlerTrait;
use Drupal\views\Plugin\views\filter\LanguageFilter as LanguageFilterBase;

/**
 * Provides filtering by language.
 *
 * @ingroup views_filter_handlers
 *
 * @ViewsFilter("languagefield")
 */
class LanguageFilter extends LanguageFilterBase {
  use FieldAPIHandlerTrait;

  /**
   * {@inheritdoc}
   */
  public function getValueOptions() {
    if (!isset($this->valueOptions)) {
      $this->valueTitle = $this
        ->t('Language');

      // Pass the current values so options that are already selected do not get
      // lost when there are changes in the language configuration.
      // $this->valueOptions = $this->listLanguages(LanguageInterface::STATE_ALL
      // | LanguageInterface::STATE_SITE_DEFAULT
      // | PluginBase::INCLUDE_NEGOTIATED, array_keys($this->value));
      // .
      $field_storage = $this
        ->getFieldStorageDefinition();
      $this->valueOptions = options_allowed_values($field_storage);
    }
    return $this->valueOptions;
  }

  /**
   * {@inheritdoc}
   */
  public function query() {

    // Don't filter by language in case the site is not multilingual, because
    // there is no point in doing so.
    if (!$this->languageManager
      ->isMultilingual()) {
      return;
    }
    parent::query();
  }

}

Classes

Name	Description
LanguageFilter	Provides filtering by language.