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         var $is_locale_file;
  16
  17         function language($name, $code, $encoding)
  18         {
  19                 $this->name = $name;
  20                 $this->code = $code;
  21                 $this->encoding = $encoding;
  22                 $this->dir = "ltr";
  23         }
  24
  25         function get_language_dir()
  26         {
  27                 return "lang/" . $this->code;
  28         }
  29
  30
  31         function get_current_language_dir()
  32         {
  33                 $lang = $_SESSION['language'];
  34                 return "lang/" . $lang->code;
  35         }
  36
  37         function set_language($code)
  38         {
  39             global $comp_path, $path_to_root;
  40
  41                 if (isset($_SESSION['languages'][$code]) &&
  42                         $_SESSION['language'] != $_SESSION['languages'][$code])
  43                 {
  44                 // flush cache as we can use several languages in one account
  45                     flush_dir($comp_path.'/'.user_company().'/js_cache');
  46                     $_SESSION['language'] = $_SESSION['languages'][$code];
  47                         $locale = $path_to_root . "/lang/" . $_SESSION['language']->code . "/locale.inc";
  48                         // check id file exists only once for session
  49                         $_SESSION['language']->is_locale_file = file_exists($locale);
  50                     reload_page("");
  51                 }
  52         }
  53
  54         /**
  55          * This method loads an array of language objects into a session variable
  56      * called $_SESSIONS['languages']. Only supported languages are added.
  57      */
  58         function load_languages()
  59         {
  60                 global $installed_languages;
  61
  62                 $_SESSION['languages'] = array();
  63
  64         foreach ($installed_languages as $lang)
  65         {
  66                         $l = new language($lang['name'],$lang['code'],$lang['encoding']);
  67                         if (isset($lang['rtl']))
  68                                 $l->dir = "rtl";
  69                         $_SESSION['languages'][$l->code] = $l;
  70         }
  71
  72                 if (!isset($_SESSION['language']))
  73                         $_SESSION['language'] = $_SESSION['languages']['en_GB'];
  74         }
  75
  76 }
  77 /*
  78         Test if named function is defined in locale.inc file.
  79 */
  80 function has_locale($fun=null)
  81 {
  82         global $path_to_root;
  83
  84         if ($_SESSION['language']->is_locale_file)
  85         {
  86                 global $path_to_root;
  87                 include_once($path_to_root . "/lang/" .
  88                         $_SESSION['language']->code . "/locale.inc");
  89
  90                 if (!isset($fun) || function_exists($fun))
  91                         return true;
  92         }
  93         return false;
  94 }
  95
  96 session_name('FrontAccounting'.user_company());
  97 session_start();
  98 // this is to fix the "back-do-you-want-to-refresh" issue - thanx PHPFreaks
  99 header("Cache-control: private");
 100
 101 // Page Initialisation
 102 if (!isset($_SESSION['languages']))
 103 {
 104         language::load_languages();
 105 }
 106
 107 $lang = $_SESSION['language'];
 108
 109 // get_text support
 110 get_text::init();
 111 get_text::set_language($lang->code, $lang->encoding);
 112 //get_text::add_domain("wa", $path_to_root . "/lang");
 113 get_text::add_domain($lang->code, $path_to_root . "/lang");
 114 // Unnecessary for ajax calls.
 115 // Due to bug in php 4.3.10 for this version set globally in php.ini
 116 ini_set('default_charset', $_SESSION['language']->encoding);
 117
 118 if (!function_exists("_"))
 119 {
 120         function _($text)
 121         {
 122                 $retVal = get_text::gettext($text);
 123                 if ($retVal == "")
 124                         return $text;
 125                 return $retVal;
 126         }
 127 }
 128
 129 function _set($key,$value)
 130 {
 131         get_text::set_var($key,$value);
 132 }
 133
 134 function reload_page($msg)
 135 {
 136 //      header("Location: $_SERVER['PHP_SELF']."");
 137 //      exit;
 138         echo "<html>";
 139         echo "<head>";
 140     echo "<title>Changing Languages</title>";
 141         echo '<meta http-equiv="refresh" content="0;url=' . $_SERVER['PHP_SELF'] . '">';
 142         echo '</head>';
 143         echo '<body>';
 144         echo '<div>';
 145         if ($msg != "")
 146                 echo $msg . " " . $_SERVER['PHP_SELF'];
 147         echo "</div>";
 148         echo "</body>";
 149         echo "</html>";
 150 }
 151
 152
 153
 154 ?>