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* @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Installation\Form\Field\Installation; \defined('_JEXEC') or die; use Joomla\CMS\Factory; use Joomla\CMS\Form\Field\ListField; use Joomla\CMS\Installation\Model\SetupModel; use Joomla\CMS\Language\LanguageHelper; /** * Installation Language field. * * @since 1.6 */ class LanguageField extends ListField { /** * The form field type. * * @var string * @since 1.6 */ protected $type = 'Language'; /** * Method to get the field options. * * @return array The field option objects. * * @since 1.6 */ protected function getOptions() { $app = Factory::getApplication(); // Detect the native language. $native = LanguageHelper::detectLanguage(); if (empty($native)) { $native = 'en-GB'; } // Get a forced language if it exists. $forced = $app->getLocalise(); if (!empty($forced['language'])) { $native = $forced['language']; } // If a language is already set in the session, use this instead $model = new SetupModel; $options = $model->getOptions(); if (isset($options['language'])) { $native = $options['language']; } // Get the list of available languages. $options = LanguageHelper::createLanguageList($native); // Fix wrongly set parentheses in RTL languages if (Factory::getLanguage()->isRtl()) { foreach ($options as &$option) { $option['text'] .= ''; } } if (!$options || $options instanceof \Exception) { $options = array(); } // Sort languages by name else { usort($options, array($this, '_sortLanguages')); } // Set the default value from the native language. $this->value = $native; // Merge any additional options in the XML definition. $options = array_merge(parent::getOptions(), $options); return $options; } /** * Method to sort languages by name. * * @param array $a The first value to determine sort * @param array $b The second value to determine sort * * @return integer * * @since 3.1 */ protected function _sortLanguages($a, $b) { return strcmp($a['text'], $b['text']); } }