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 include_once($path_to_root . "/lang/installed_languages.inc");
  13 include_once($path_to_root . "/includes/lang/gettext.php");
  14
  15 class language
  16 {
  17         var $name;
  18         var $code;                      // eg. ar_EG, en_GB
  19         var $encoding;          // eg. UTF-8, CP1256, ISO8859-1
  20         var     $dir;                   // Currently support for Left-to-Right (ltr) and
  21                                                 // Right-To-Left (rtl)
  22         var $is_locale_file;
  23
  24         function language($name, $code, $encoding)
  25         {
  26                 $this->name = $name;
  27                 $this->code = $code;
  28                 $this->encoding = $encoding;
  29                 $this->dir = "ltr";
  30         }
  31
  32         function get_language_dir()
  33         {
  34                 return "lang/" . $this->code;
  35         }
  36
  37         function get_current_language_dir()
  38         {
  39                 $lang = $_SESSION['language'];
  40                 return "lang/" . $lang->code;
  41         }
  42
  43         function set_language($code)
  44         {
  45             global $comp_path, $path_to_root;
  46
  47                 $changed = $_SESSION['language']->code != $code;
  48                 if (isset($_SESSION['languages'][$code]) && $changed)
  49                 {
  50                 // flush cache as we can use several languages in one account
  51                     flush_dir($comp_path.'/'.user_company().'/js_cache');
  52                     $_SESSION['language'] = $_SESSION['languages'][$code];
  53                         $locale = $path_to_root . "/lang/" . $_SESSION['language']->code . "/locale.inc";
  54                         // check id file exists only once for session
  55                         $_SESSION['language']->is_locale_file = file_exists($locale);
  56                 }
  57
  58                 $lang = $_SESSION['language'];
  59                 get_text::set_language($lang->code, $lang->encoding);
  60                 get_text::add_domain($lang->code, $path_to_root . "/lang");
  61
  62                 // Necessary for ajax calls. Due to bug in php 4.3.10 for this
  63                 // version set globally in php.ini
  64                 ini_set('default_charset', $lang->encoding);
  65
  66                 if (isset($_SESSION['App']) && $changed)
  67                         $_SESSION['App']->init(); // refresh menu
  68         }
  69
  70         /**
  71          * This method loads an array of language objects into a session variable
  72      * called $_SESSIONS['languages']. Only supported languages are added.
  73      */
  74         function load_languages()
  75         {
  76                 global $installed_languages, $dflt_lang;
  77
  78                 $_SESSION['languages'] = array();
  79
  80         foreach ($installed_languages as $lang)
  81         {
  82                         $l = new language($lang['name'],$lang['code'],$lang['encoding']);
  83                         if (isset($lang['rtl']))
  84                                 $l->dir = "rtl";
  85                         $_SESSION['languages'][$l->code] = $l;
  86         }
  87
  88                 if (!isset($_SESSION['language']))
  89                         $_SESSION['language'] = $_SESSION['languages'][$dflt_lang];
  90         }
  91
  92 }
  93 /*
  94         Test if named function is defined in locale.inc file.
  95 */
  96 function has_locale($fun=null)
  97 {
  98         global $path_to_root;
  99
 100         if ($_SESSION['language']->is_locale_file)
 101         {
 102                 global $path_to_root;
 103                 include_once($path_to_root . "/lang/" .
 104                         $_SESSION['language']->code . "/locale.inc");
 105
 106                 if (!isset($fun) || function_exists($fun))
 107                         return true;
 108         }
 109         return false;
 110 }
 111
 112 function _set($key,$value)
 113 {
 114         get_text::set_var($key,$value);
 115 }
 116
 117 if (!function_exists("_"))
 118 {
 119         function _($text)
 120         {
 121                 $retVal = get_text::gettext($text);
 122                 if ($retVal == "")
 123                         return $text;
 124                 return $retVal;
 125         }
 126 }
 127 ?>