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* @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Form\Field; \defined('JPATH_PLATFORM') or die; use Joomla\CMS\Component\ComponentHelper; use Joomla\CMS\Factory; use Joomla\CMS\Language\LanguageHelper; /** * Form Field class for the Joomla Platform. * Supports a list of installed application languages * * @see \Joomla\CMS\Form\Field\ContentlanguageField for a select list of content languages. * @since 1.7.0 */ class LanguageField extends ListField { /** * The form field type. * * @var string * @since 1.7.0 */ protected $type = 'Language'; /** * Method to get the field options. * * @return array The field option objects. * * @since 1.7.0 */ protected function getOptions() { // Initialize some field attributes. $client = (string) $this->element['client']; if ($client !== 'site' && $client !== 'administrator') { $client = 'site'; } // Make sure the languages are sorted base on locale instead of random sorting $languages = LanguageHelper::createLanguageList($this->value, \constant('JPATH_' . strtoupper($client)), true, true); if (\count($languages) > 1) { usort( $languages, function ($a, $b) { return strcmp($a['value'], $b['value']); } ); } // Merge any additional options in the XML definition. $options = array_merge( parent::getOptions(), $languages ); // Set the default value active language if ($langParams = ComponentHelper::getParams('com_languages')) { switch ((string) $this->value) { case 'site': case 'frontend': case '0': $this->value = $langParams->get('site', 'en-GB'); break; case 'admin': case 'administrator': case 'backend': case '1': $this->value = $langParams->get('administrator', 'en-GB'); break; case 'active': case 'auto': $lang = Factory::getLanguage(); $this->value = $lang->getTag(); break; default: break; } } return $options; } }