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<?php
/**
* @package Joomla.Installation
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('JPATH_BASE') or die;
JLoader::register('JFormFieldList', JPATH_LIBRARIES.'/joomla/form/fields/list.php');
/**
* Language Form Field class.
*
* @package Joomla.Installation
* @since 1.6
*/
class JFormFieldLanguage extends JFormFieldList
{
/**
* 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()
{
// Initialise variables.
$app = JFactory::getApplication();
// Detect the native language.
$native = JLanguageHelper::detectLanguage();
if (empty($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
$session = JFactory::getSession()->get('setup.options', array());
if (!empty($session['language'])){
$native = $session['language'];
}
// Get the list of available languages.
$options = JLanguageHelper::createLanguageList($native);
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 $options;
}
/**
* Method to sort languages by name.
*
* @ported from 3.0
*/
protected function _sortLanguages($a, $b)
{
return strcmp($a['text'], $b['text']);
}
}