File Source for class.culture.php

<?php
/**
* @package linea21.core
* @subpackage culture
* @author linea21 <info@linea21.com>
* @version $id SVN
* @access public
* @license http://opensource.org/licenses/gpl-3.0.html
* Plugin Management
*/
class culture {
private static $instance;
private $params = array();
private $separator = '_';
public $cultures = array(); // collect data related to available languages
private function __construct() {
global $culture;
$a = array('none');
self::prepareCultures();
$a=array_merge($a, array_keys($this->cultures));
// checking if lang is forced or already set in session
if(isset($_GET['flang']))
{
in_array($_GET['flang'], $a) ? $_SESSION['flang'] = $_GET['flang'] : die('no way!');
$this->params['current'] = $_GET['flang'];
}
elseif(isset($_SESSION['flang']))
{
in_array($_SESSION['flang'], $a) ? 1 : die('no way!');
$this->params['current'] = $_SESSION['flang'];
}
else
{
$this->params['current'] = LANGUAGE;
}
if($this->params['current']=='none') self::reset();
// initializing parameters
include('../languages/' .$this->params['current']. '/define.php');
if(strpos($this->params['current'], $this->separator) != false) {
list($this->params['language_code'], $this->params['country_code']) = explode($this->separator, $this->params['current']);
} else {
$this->params['language_code'] = $this->params['current'];
}
$this->params['language'] = $culture[$this->params['current']]['Language'];
if(isset($culture[$this->params['current']]['Country'])) $this->params['country'] = $culture[$this->params['current']]['Country'];
}
/**
* prepareCultures()
* Return available cultures
* @return array
***/
private function prepareCultures() {
$a = array();
$b = array();
if ($handle = opendir('../languages/')) {
while (false !== ($file = readdir($handle))) {
if ($file != "." && $file != ".." && $file != ".svn") {
array_push($a, $file);
}
}
closedir($handle);
foreach($a as $el) {
include('../languages/'.$el.'/define.php');
$b = array_merge($b, $culture);
}
}
$this->cultures = $b;
}
public static function getInstance()
{
if (!isset(self::$instance)) {
$c = __CLASS__;
self::$instance = new $c;
}
return self::$instance;
}
/**
* getVar()
* Only for current culture !!!
* @param string $varname
* @return string
*/
public function getVar($varname) {
return $this->params[$varname];
}
/**
* getCultureInfo()
* For any culture
* @param string $culture
* @param string $param
* @return string or bool
*/
public function getCultureInfo($culture, $param) {
if(isset($this->cultures[$culture][$param])) {
return $this->cultures[$culture][$param];
} else
return false;
}
public function renderSwitcher() {
$switcher = '';
if(isset($_SESSION['flang'])) {
$array = self::availableCultures();
$list = '';
foreach($array as $culture => $value) {
$a = array('flang' => $culture);
if(CURRENT_APP =='admin') $url = get_permalink(array_merge($_GET, $a));
if(CURRENT_APP =='public') $url = get_permalink($a);
$str= ucfirst($value['Language']);
if(isset($value['Country'])) $str.= ' ('.ucfirst($value['Country']).')';
$list .= '<li><a href="'.$url.'" title="'.$str.'"><img src="'.THEME_ADMIN_PATH.'images/flags/'.$culture.'.png" alt="'.$str.'" /><span>' . $str . '</span></a></li>'.END_LINE;
}
$switcher .= '<div id="lang_switcher">';
$switcher .= '<ul>';
$switcher .= $list;
$switcher .= '<li><a href="index.php?flang=none" title="default language">[X]</a></li>';
$switcher .= '</ul>';
$switcher .= '</div>';
}
echo $switcher;
}
public function reset() {
if(isset($_SESSION['flang'])) unset($_SESSION['flang']);
if(isset($_GET['flang'])) unset($_GET['flang']);
$this->params['current'] = LANGUAGE;
}
/**
* availableCultures()
* Return available cultures
* @return array
***/
public function availableCultures() {
return $this->cultures;
}
}
?>

Source for file class.culture.php