includes/lang/language.php

   1 <?php
   2 /**********************************************************************
   3     Copyright (C) FrontAccounting, LLC.
   4         Released under the terms of the GNU General Public License, GPL,
   5         as published by the Free Software Foundation, either version 3
   6         of the License, or (at your option) any later version.
   7     This program is distributed in the hope that it will be useful,
   8     but WITHOUT ANY WARRANTY; without even the implied warranty of
   9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  10     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
  11 ***********************************************************************/
  12 // Prevent register_globals vulnerability
  13 if (isset($_GET['path_to_root']) || isset($_POST['path_to_root']))
  14         die("Restricted access");
  15 include_once($path_to_root . "/lang/installed_languages.inc");
  16 include_once($path_to_root . "/includes/lang/gettext.php");
  17
  18 class language
  19 {
  20         var $name;
  21         var $code;                      // eg. ar_EG, en_GB
  22         var $encoding;          // eg. UTF-8, CP1256, ISO8859-1
  23         var     $dir;                   // Currently support for Left-to-Right (ltr) and
  24                                                 // Right-To-Left (rtl)
  25         var $is_locale_file;
  26
  27         function language($name, $code, $encoding)
  28         {
  29                 $this->name = $name;
  30                 $this->code = $code;
  31                 $this->encoding = $encoding;
  32                 $this->dir = "ltr";
  33         }
  34
  35         function get_language_dir()
  36         {
  37                 return "lang/" . $this->code;
  38         }
  39
  40         function get_current_language_dir()
  41         {
  42                 $lang = $_SESSION['language'];
  43                 return "lang/" . $lang->code;
  44         }
  45
  46         function set_language($code)
  47         {
  48             global $comp_path, $path_to_root;
  49
  50                 $changed = $_SESSION['language']->code != $code;
  51                 if (isset($_SESSION['languages'][$code]) && $changed)
  52                 {
  53                 // flush cache as we can use several languages in one account
  54                     flush_dir($comp_path.'/'.user_company().'/js_cache');
  55                     $_SESSION['language'] = $_SESSION['languages'][$code];
  56                         $locale = $path_to_root . "/lang/" . $_SESSION['language']->code . "/locale.inc";
  57                         // check id file exists only once for session
  58                         $_SESSION['language']->is_locale_file = file_exists($locale);
  59                 }
  60
  61                 $lang = $_SESSION['language'];
  62                 get_text::set_language($lang->code, $lang->encoding);
  63                 get_text::add_domain($lang->code, $path_to_root . "/lang");
  64
  65                 // Necessary for ajax calls. Due to bug in php 4.3.10 for this
  66                 // version set globally in php.ini
  67                 ini_set('default_charset', $lang->encoding);
  68
  69                 if (isset($_SESSION['App']) && $changed)
  70                         $_SESSION['App']->init(); // refresh menu
  71         }
  72
  73         /**
  74          * This method loads an array of language objects into a session variable
  75      * called $_SESSIONS['languages']. Only supported languages are added.
  76      */
  77         function load_languages()
  78         {
  79                 global $installed_languages, $dflt_lang;
  80
  81                 $_SESSION['languages'] = array();
  82
  83         foreach ($installed_languages as $lang)
  84         {
  85                         $l = new language($lang['name'],$lang['code'],$lang['encoding']);
  86                         if (isset($lang['rtl']))
  87                                 $l->dir = "rtl";
  88                         $_SESSION['languages'][$l->code] = $l;
  89         }
  90
  91                 if (!isset($_SESSION['language']))
  92                         $_SESSION['language'] = $_SESSION['languages'][$dflt_lang];
  93         }
  94
  95 }
  96 /*
  97         Test if named function is defined in locale.inc file.
  98 */
  99 function has_locale($fun=null)
 100 {
 101         global $path_to_root;
 102
 103         if ($_SESSION['language']->is_locale_file)
 104         {
 105                 global $path_to_root;
 106                 include_once($path_to_root . "/lang/" .
 107                         $_SESSION['language']->code . "/locale.inc");
 108
 109                 if (!isset($fun) || function_exists($fun))
 110                         return true;
 111         }
 112         return false;
 113 }
 114
 115 function _set($key,$value)
 116 {
 117         get_text::set_var($key,$value);
 118 }
 119
 120 if (!function_exists("_"))
 121 {
 122         function _($text)
 123         {
 124                 $retVal = get_text::gettext($text);
 125                 if ($retVal == "")
 126                         return $text;
 127                 return $retVal;
 128         }
 129 }
 130 ?>