includes/lang/language.php

   1 <?php
   2 /**********************************************************************
   3     Copyright (C) FrontAccounting, LLC.
   4         Released under the terms of the GNU Affero General Public License,
   5         AGPL, as published by the Free Software Foundation, either version
   6         3 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/agpl-3.0.html>.
  11 ***********************************************************************/
  12 if (!isset($path_to_root) || isset($_GET['path_to_root']) || isset($_POST['path_to_root']))
  13         die("Restricted access");
  14 include_once($path_to_root . "/lang/installed_languages.inc");
  15 include_once($path_to_root . "/includes/lang/gettext.php");
  16
  17 class language
  18 {
  19         var $name;
  20         var $code;                      // eg. ar_EG, en_GB
  21         var $encoding;          // eg. UTF-8, CP1256, ISO8859-1
  22         var     $dir;                   // Currently support for Left-to-Right (ltr) and
  23                                                 // Right-To-Left (rtl)
  24         var $is_locale_file;
  25
  26         function language($name, $code, $encoding)
  27         {
  28                 $this->name = $name;
  29                 $this->code = $code;
  30                 $this->encoding = $encoding;
  31                 $this->dir = "ltr";
  32         }
  33
  34         function get_language_dir()
  35         {
  36                 return "lang/" . $this->code;
  37         }
  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, $path_to_root;
  49
  50                 if (isset($_SESSION['languages'][$code]) &&
  51                         $_SESSION['language'] != $_SESSION['languages'][$code])
  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                     reload_page("");
  60                 }
  61         }
  62
  63         /**
  64          * This method loads an array of language objects into a session variable
  65      * called $_SESSIONS['languages']. Only supported languages are added.
  66      */
  67         function load_languages()
  68         {
  69                 global $installed_languages;
  70
  71                 $_SESSION['languages'] = array();
  72
  73         foreach ($installed_languages as $lang)
  74         {
  75                         $l = new language($lang['name'],$lang['code'],$lang['encoding']);
  76                         if (isset($lang['rtl']))
  77                                 $l->dir = "rtl";
  78                         $_SESSION['languages'][$l->code] = $l;
  79         }
  80
  81                 if (!isset($_SESSION['language']))
  82                         $_SESSION['language'] = $_SESSION['languages']['en_GB'];
  83         }
  84
  85 }
  86 /*
  87         Test if named function is defined in locale.inc file.
  88 */
  89 function has_locale($fun=null)
  90 {
  91         global $path_to_root;
  92
  93         if ($_SESSION['language']->is_locale_file)
  94         {
  95                 global $path_to_root;
  96                 include_once($path_to_root . "/lang/" .
  97                         $_SESSION['language']->code . "/locale.inc");
  98
  99                 if (!isset($fun) || function_exists($fun))
 100                         return true;
 101         }
 102         return false;
 103 }
 104
 105 session_name('FrontAccounting'.user_company());
 106 session_start();
 107 // this is to fix the "back-do-you-want-to-refresh" issue - thanx PHPFreaks
 108 header("Cache-control: private");
 109
 110 // Page Initialisation
 111 if (!isset($_SESSION['languages']))
 112 {
 113         language::load_languages();
 114 }
 115
 116 $lang = $_SESSION['language'];
 117
 118 // get_text support
 119 get_text::init();
 120 get_text::set_language($lang->code, $lang->encoding);
 121 //get_text::add_domain("wa", $path_to_root . "/lang");
 122 get_text::add_domain($lang->code, $path_to_root . "/lang");
 123 // Unnecessary for ajax calls.
 124 // Due to bug in php 4.3.10 for this version set globally in php.ini
 125 ini_set('default_charset', $_SESSION['language']->encoding);
 126
 127 if (!function_exists("_"))
 128 {
 129         function _($text)
 130         {
 131                 $retVal = get_text::gettext($text);
 132                 if ($retVal == "")
 133                         return $text;
 134                 return $retVal;
 135         }
 136 }
 137
 138 function _set($key,$value)
 139 {
 140         get_text::set_var($key,$value);
 141 }
 142
 143 function reload_page($msg)
 144 {
 145         global $Ajax;
 146 //      header("Location: $_SERVER['PHP_SELF']."");
 147 //      exit;
 148         echo "<html>";
 149         echo "<head>";
 150     echo "<title>Changing Languages</title>";
 151         echo '<meta http-equiv="refresh" content="0;url=' . $_SERVER['PHP_SELF'] . '">';
 152         echo '</head>';
 153         echo '<body>';
 154         echo '<div>';
 155         if ($msg != "")
 156                 echo $msg . " " . $_SERVER['PHP_SELF'];
 157         echo "</div>";
 158         echo "</body>";
 159         echo "</html>";
 160         $Ajax->redirect($_SERVER['PHP_SELF']);
 161 }
 162
 163
 164
 165 ?>