includes/lang/language.php

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