include/classes/Language/RemoteLanguageManager.class.php

   1 <?php
   2 /************************************************************************/
   3 /* ATutor                                                                                                                               */
   4 /************************************************************************/
   5 /* Copyright (c) 2002-2008 by Greg Gay, Joel Kronenberg & Heidi Hazelton*/
   6 /* Adaptive Technology Resource Centre / University of Toronto                  */
   7 /* http://atutor.ca                                                                                                             */
   8 /*                                                                                                                                              */
   9 /* This program is free software. You can redistribute it and/or                */
  10 /* modify it under the terms of the GNU General Public License                  */
  11 /* as published by the Free Software Foundation.                                                */
  12 /************************************************************************/
  13 // $Id$
  14
  15 /**
  16 * RemoteLanguageManager
  17 * Class for managing available languages as Language Objects.
  18 * @access       public
  19 * @author       Joel Kronenberg
  20 * @see          Language.class.php
  21 * @package      Language
  22 */
  23
  24 require_once(AT_INCLUDE_PATH.'classes/Language/LanguageParser.class.php');
  25 require_once(AT_INCLUDE_PATH.'classes/Language/LanguagesParser.class.php');
  26
  27 class RemoteLanguageManager extends LanguageManager {
  28
  29         function RemoteLanguageManager() {
  30                 $version = str_replace('.','_',VERSION);
  31                 $language_xml = @file_get_contents('http://update.atutor.ca/languages/'.$version.'/languages.xml');
  32                 if ($language_xml === FALSE) {
  33                         // fix for bug #2896
  34                         $language_xml = @file_get_contents('http://update.atutor.ca/languages/1_5_3/languages.xml');
  35                 }
  36                 if ($language_xml !== FALSE) {
  37
  38                         $languageParser =& new LanguagesParser();
  39                         $languageParser->parse($language_xml);
  40
  41                         $this->numLanguages = $languageParser->getNumLanguages();
  42
  43                         for ($i = 0; $i < $this->numLanguages; $i++) {
  44                                 $thisLanguage =& new Language($languageParser->getLanguage($i));
  45
  46                                 $this->availableLanguages[$thisLanguage->getCode()][$thisLanguage->getCharacterSet()] =& $thisLanguage;
  47                         }
  48                 } else {
  49                         $this->numLanguages = 0;
  50                         $this->availableLanguages = array();
  51                 }
  52         }
  53
  54         // public
  55         function fetchLanguage($language_code, $filename) {
  56                 $version = str_replace('.','_',VERSION);
  57
  58                 $language_pack = @file_get_contents('http://update.atutor.ca/languages/' . $version . '/atutor_' . $version . '_' . $language_code . '.zip');
  59
  60                 if ($language_pack) {
  61                         $fp = fopen($filename, 'wb+');
  62                         fwrite($fp, $language_pack, strlen($language_pack));
  63
  64                         return TRUE;
  65                 }
  66                 return FALSE;
  67         }
  68
  69         function import($language_code) {
  70                 $filename = tempnam(AT_CONTENT_DIR . 'import', $language_code);
  71                 if ($this->fetchLanguage($language_code, $filename)) {
  72                         parent::import($filename);
  73                 }
  74         }
  75 }
  76
  77 ?>