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 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                 }
  60         }
  61
  62         /**
  63          * This method loads an array of language objects into a session variable
  64      * called $_SESSIONS['languages']. Only supported languages are added.
  65      */
  66         function load_languages()
  67         {
  68                 global $installed_languages, $dflt_lang;
  69
  70                 $_SESSION['languages'] = array();
  71
  72         foreach ($installed_languages as $lang)
  73         {
  74                         $l = new language($lang['name'],$lang['code'],$lang['encoding']);
  75                         if (isset($lang['rtl']))
  76                                 $l->dir = "rtl";
  77                         $_SESSION['languages'][$l->code] = $l;
  78         }
  79
  80                 if (!isset($_SESSION['language']))
  81                         $_SESSION['language'] = $_SESSION['languages'][$dflt_lang];
  82         }
  83
  84 }
  85 /*
  86         Test if named function is defined in locale.inc file.
  87 */
  88 function has_locale($fun=null)
  89 {
  90         global $path_to_root;
  91
  92         if ($_SESSION['language']->is_locale_file)
  93         {
  94                 global $path_to_root;
  95                 include_once($path_to_root . "/lang/" .
  96                         $_SESSION['language']->code . "/locale.inc");
  97
  98                 if (!isset($fun) || function_exists($fun))
  99                         return true;
 100         }
 101         return false;
 102 }
 103
 104 function _set($key,$value)
 105 {
 106         get_text::set_var($key,$value);
 107 }
 108
 109 function reload_page($msg)
 110 {
 111         global $Ajax;
 112 //      header("Location: $_SERVER['PHP_SELF']."");
 113 //      exit;
 114         echo "<html>";
 115         echo "<head>";
 116     echo "<title>Changing Languages</title>";
 117         echo '<meta http-equiv="refresh" content="0;url=' . $_SERVER['PHP_SELF'] . '">';
 118         echo '</head>';
 119         echo '<body>';
 120         echo '<div>';
 121         if ($msg != "")
 122                 echo $msg . " " . $_SERVER['PHP_SELF'];
 123         echo "</div>";
 124         echo "</body>";
 125         echo "</html>";
 126         $Ajax->redirect($_SERVER['PHP_SELF']);
 127 }
 128
 129 if (!function_exists("_"))
 130 {
 131         function _($text)
 132         {
 133                 $retVal = get_text::gettext($text);
 134                 if ($retVal == "")
 135                         return $text;
 136                 return $retVal;
 137         }
 138 }
 139 ?>