<?php
#CMS - CMS Made Simple
#(c)2004-2008 by Ted Kulp (ted@cmsmadesimple.org)
#This project's homepage is: http://cmsmadesimple.sf.net
#
#This program is free software; you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation; either version 2 of the License, or
#(at your option) any later version.
#
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General Public License for more details.
#You should have received a copy of the GNU General Public License
#along with this program; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#$Id$
 
#Nice decent default
$current_language = isset($frontendlang) ? $frontendlang : 'en_US';
 
#Only do language stuff for admin pages
if (isset($CMS_ADMIN_PAGE) || isset($CMS_STYLESHEET))
{
  $nls = array();
  $lang = array();
 
  #Read in all current languages...
  $dir = dirname(__FILE__)."/lang";
 
  $handle = opendir($dir);
  while (false!==($file = readdir($handle))) {
    if (is_file("$dir/$file") && strpos($file, "nls.php") != 0) {
      include("$dir/$file");
    }
  }
  closedir($handle);
 
  #Check to see if there is already a language in use...
  if (isset($_POST["default_cms_lang"]))
  {
    $current_language = $_POST["default_cms_lang"];
    if ($current_language == '')
    {
      setcookie("cms_language", '', time() - 3600);
    }
    else
    {
      setcookie("cms_language", $_POST["change_cms_lang"]);
    }
  }
  else if (isset($_SESSION['login_cms_language']))
  {
    debug_buffer('Setting language to: ' . $_SESSION['login_cms_language']);
    $current_language = $_SESSION['login_cms_language'];
    setcookie('cms_language', $_SESSION['login_cms_language']);
    unset($_SESSION['login_cms_language']);
  }
  else if (isset($_COOKIE["cms_language"]))
  {
    $current_language = $_COOKIE["cms_language"];
  }
 
  if ($current_language == '')
  {
    if (isset($gCms->config['locale']) && $gCms->config['locale'] != '')
    {
      $current_language = $gCms->config['locale'];
    }
    else
    {
    
      #No, take a stab at figuring out the default language...
      #Figure out default language and set it if it exists
      if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) 
      {
        $alllang = $_SERVER["HTTP_ACCEPT_LANGUAGE"];
        if (strpos($alllang, ";") !== FALSE)
          $alllang = substr($alllang,0,strpos($alllang, ";"));
        $langs = explode(",", $alllang);
 
        foreach ($langs as $onelang)
        {
          #Check to see if lang exists...
          if (isset($nls['language'][$onelang]))
          {
            $current_language = $onelang;
            setcookie("cms_language", $onelang);
            break;
          }
          #Check to see if alias exists...
          if (isset($nls['alias'][$onelang]))
          {
            $alias = $nls['alias'][$onelang];
            if (isset($nls['language'][$alias]))
            {
              $current_language = $alias;
              setcookie("cms_language", $alias);
              break;
            }
          }
        }
      }
    }
  }
 
  #First load the english one so that we have strings to fall back on
  @include(dirname(__FILE__) . DIRECTORY_SEPARATOR . "lang" . DIRECTORY_SEPARATOR . 'en_US' . DIRECTORY_SEPARATOR . "admin.inc.php");
  
  #Now load the real file
  if ($lang != 'en_US')
  {
      $file = dirname(__FILE__) . "/lang/ext/" . $current_language . "/admin.inc.php";
    if (!is_file($file))
    {
      $file = dirname(__FILE__) . "/lang/" . $current_language . "/admin.inc.php";
    }
 
      if (is_file($file) && strlen($current_language) == 5 && strpos($current_language, ".") === false)
      {  
          include ($file);
      }
  }
  
  $nls['direction'] = (isset($nls['direction']) && $nls['direction'] == 'rtl') ? 'rtl' : 'ltr';
 
  global $gCms;
  $gCms->nls = $nls;
  $gCms->current_language = $current_language;
}
 
# vim:ts=4 sw=4 noet
?>