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   1  <?php
   2  
   3  /**
   4   * Joomla! Content Management System
   5   *
   6   * @copyright  (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
   7   * @license    GNU General Public License version 2 or later; see LICENSE.txt
   8   */
   9  
  10  namespace Joomla\CMS\Form\Field;
  11  
  12  use Joomla\CMS\Component\ComponentHelper;
  13  use Joomla\CMS\Factory;
  14  use Joomla\CMS\Language\LanguageHelper;
  15  
  16  // phpcs:disable PSR1.Files.SideEffects
  17  \defined('JPATH_PLATFORM') or die;
  18  // phpcs:enable PSR1.Files.SideEffects
  19  
  20  /**
  21   * Form Field class for the Joomla Platform.
  22   * Supports a list of installed application languages
  23   *
  24   * @see    \Joomla\CMS\Form\Field\ContentlanguageField for a select list of content languages.
  25   * @since  1.7.0
  26   */
  27  class LanguageField extends ListField
  28  {
  29      /**
  30       * The form field type.
  31       *
  32       * @var    string
  33       * @since  1.7.0
  34       */
  35      protected $type = 'Language';
  36  
  37      /**
  38       * Method to get the field options.
  39       *
  40       * @return  array  The field option objects.
  41       *
  42       * @since   1.7.0
  43       */
  44      protected function getOptions()
  45      {
  46          // Initialize some field attributes.
  47          $client = (string) $this->element['client'];
  48  
  49          if ($client !== 'site' && $client !== 'administrator') {
  50              $client = 'site';
  51          }
  52  
  53          // Make sure the languages are sorted base on locale instead of random sorting
  54          $languages = LanguageHelper::createLanguageList($this->value, \constant('JPATH_' . strtoupper($client)), true, true);
  55  
  56          if (\count($languages) > 1) {
  57              usort(
  58                  $languages,
  59                  function ($a, $b) {
  60                      return strcmp($a['value'], $b['value']);
  61                  }
  62              );
  63          }
  64  
  65          // Merge any additional options in the XML definition.
  66          $options = array_merge(
  67              parent::getOptions(),
  68              $languages
  69          );
  70  
  71          // Set the default value active language
  72          if ($langParams = ComponentHelper::getParams('com_languages')) {
  73              switch ((string) $this->value) {
  74                  case 'site':
  75                  case 'frontend':
  76                  case '0':
  77                      $this->value = $langParams->get('site', 'en-GB');
  78                      break;
  79                  case 'admin':
  80                  case 'administrator':
  81                  case 'backend':
  82                  case '1':
  83                      $this->value = $langParams->get('administrator', 'en-GB');
  84                      break;
  85                  case 'active':
  86                  case 'auto':
  87                      $lang = Factory::getLanguage();
  88                      $this->value = $lang->getTag();
  89                      break;
  90                  default:
  91                      break;
  92              }
  93          }
  94  
  95          return $options;
  96      }
  97  }