includes/lang/language.php

   1 <?php
   2
   3 if (!isset($path_to_root) || isset($_GET['path_to_root']) || isset($_POST['path_to_root']))
   4         die("Restricted access");
   5 include_once($path_to_root . "/lang/installed_languages.inc");
   6 include_once($path_to_root . "/includes/lang/gettext.php");
   7
   8 class language
   9 {
  10         var $name;
  11         var $code;                      // eg. ar_EG, en_GB
  12         var $encoding;          // eg. UTF-8, CP1256, ISO8859-1
  13         var     $dir;                   // Currently support for Left-to-Right (ltr) and
  14                                                 // Right-To-Left (rtl)
  15
  16         function language($name, $code, $encoding)
  17         {
  18                 $this->name = $name;
  19                 $this->code = $code;
  20                 $this->encoding = $encoding;
  21                 $this->dir = "ltr";
  22         }
  23
  24         function get_language_dir()
  25         {
  26                 return "lang/" . $this->code;
  27         }
  28
  29
  30         function get_current_language_dir()
  31         {
  32                 $lang = $_SESSION['language'];
  33                 return "lang/" . $lang->code;
  34         }
  35
  36         function set_language($code)
  37         {
  38                 if (isset($_SESSION['languages'][$code]) &&
  39                         $_SESSION['language'] != $_SESSION['languages'][$code])
  40                 {
  41                         $_SESSION['language'] = $_SESSION['languages'][$code];
  42                         reload_page("");
  43                 }
  44         }
  45
  46         function get_stylesheet()
  47         {
  48                 return 'lang/' . $_SESSION['language']->code . '/stylesheet.css';
  49         }
  50
  51         /**
  52          * This method loads an array of language objects into a session variable
  53      * called $_SESSIONS['languages']. Only supported languages are added.
  54      */
  55         function load_languages()
  56         {
  57                 global $installed_languages;
  58
  59                 $_SESSION['languages'] = array();
  60
  61         foreach ($installed_languages as $lang)
  62         {
  63                         $l = new language($lang['name'],$lang['code'],$lang['encoding']);
  64                         if (isset($lang['rtl']))
  65                                 $l->dir = "rtl";
  66                         $_SESSION['languages'][$l->code] = $l;
  67         }
  68
  69                 if (!isset($_SESSION['language']))
  70                         $_SESSION['language'] = $_SESSION['languages']['en_GB'];
  71         }
  72
  73 }
  74
  75 session_start();
  76 // this is to fix the "back-do-you-want-to-refresh" issue - thanx PHPFreaks
  77 header("Cache-control: private");
  78
  79 // Page Initialisation
  80 if (!isset($_SESSION['languages']))
  81 {
  82         language::load_languages();
  83 }
  84
  85 $lang = $_SESSION['language'];
  86
  87 // get_text support
  88 get_text::init();
  89 get_text::set_language($lang->code, $lang->encoding);
  90 //get_text::add_domain("wa", $path_to_root . "/lang");
  91 get_text::add_domain($lang->code, $path_to_root . "/lang");
  92 // Unnecessary for ajax calls.
  93 // Due to bug in php 4.3.10 for this version set globally in php4.ini
  94 ini_set('default_charset', $_SESSION['language']->encoding);
  95
  96 if (!function_exists("_"))
  97 {
  98         function _($text)
  99         {
 100                 $retVal = get_text::gettext($text);
 101                 if ($retVal == "")
 102                         return $text;
 103                 return $retVal;
 104         }
 105 }
 106
 107 function _set($key,$value)
 108 {
 109         get_text::set_var($key,$value);
 110 }
 111
 112 function reload_page($msg)
 113 {
 114 //      header("Location: $_SERVER['PHP_SELF']."");
 115 //      exit;
 116         echo "<html>";
 117         echo "<head>";
 118     echo "<title>Changing Languages</title>";
 119         echo '<meta http-equiv="refresh" content="0;url=' . $_SERVER['PHP_SELF'] . '">';
 120         echo '</head>';
 121         echo '<body>';
 122         echo '<div>';
 123         if ($msg != "")
 124                 echo $msg . " " . $_SERVER['PHP_SELF'];
 125         echo "</div>";
 126         echo "</body>";
 127         echo "</html>";
 128 }
 129
 130
 131
 132 ?>