docs/home/imscc/include/ims_template.inc.php

   1 <?php
   2 /************************************************************************/
   3 /* AContent                                                             */
   4 /************************************************************************/
   5 /* Copyright (c) 2010                                                   */
   6 /* Inclusive Design Institute                                           */
   7 /*                                                                      */
   8 /* This program is free software. You can redistribute it and/or        */
   9 /* modify it under the terms of the GNU General Public License          */
  10 /* as published by the Free Software Foundation.                        */
  11 /************************************************************************/
  12
  13 if (!defined('TR_INCLUDE_PATH')) { exit; }
  14
  15 // This function gets files from html tag @import
  16 function get_import_files($text)
  17 {
  18         $text = strtolower($text);
  19         $tag = '@import';
  20         $files = array();
  21
  22         while (strpos(strtolower($text), strtolower($tag)) > 0)
  23         {
  24                 $start_pos      = strpos($text, $tag);
  25                 if ($start_pos !== false)
  26                 {
  27                         $text = substr($text, $start_pos);
  28                         $start_pos = strlen($tag);
  29                         $len = strpos($text, ';') - strlen($tag);
  30
  31                         $file = substr(trim($text), $start_pos, $len);
  32
  33                         // remove these characters from file name: url, (, ), ", '
  34                         $file = trim(preg_replace('/(\'|\"|url|\(|\))/', '', $file));
  35
  36                         // strip processed tag
  37                         $text = substr($text, $start_pos);
  38                         array_push($files, $file);
  39                 }
  40
  41         }
  42
  43         return $files;
  44 }
  45
  46 function print_organizations($parent_id,
  47                                                          &$_menu,
  48                                                          $depth,
  49                                                          $path='',
  50                                                          $children,
  51                                                          &$string) {
  52
  53         global $html_content_template, $default_html_style, $zipfile, $resources, $ims_template_xml, $parser, $my_files;
  54         global $used_glossary_terms, $course_id, $course_language_charset, $course_language_code;
  55         static $paths, $zipped_files;
  56 //      global $glossary;
  57         global $test_list, $test_zipped_files, $test_files, $test_xml_items, $use_a4a;
  58         global $contentManager;
  59         /* added by bologna*///TODO***********BOLOGNA**************REMOVE ME*****************/
  60         global $db,$forum_list;//forum_list contiene tutti i forum distinti associati ai contenuti. poich� la funzione in questione � ricorsiva deve essere globale in modo che in fase di creazione dell'archivio zip i file descrittori dei forum non vengano ripetuti
  61
  62         require_once(TR_INCLUDE_PATH.'../home/classes/ContentUtility.class.php');
  63         require_once(TR_INCLUDE_PATH.'classes/DAO/ContentForumsAssocDAO.class.php');
  64
  65         $space  = '    ';
  66         $prefix = '                    ';
  67
  68         if ($depth == 0) {
  69                 $string .= '<ul>';
  70         }
  71         $top_level = $_menu[$parent_id];
  72         if (!is_array($paths)) {
  73                 $paths = array();
  74         }
  75         if (!is_array($zipped_files)) {
  76                 $zipped_files = array();
  77         }
  78         if ( is_array($top_level) ) {
  79
  80                 $counter = 1;
  81                 $num_items = count($top_level);
  82
  83                 foreach ($top_level as $garbage => $content) {
  84                         $link = '';
  85                         //XSL characters handling
  86                         $content['title'] = str_replace('&', '&amp;', $content['title']);
  87
  88                         if ($content['content_path'] && (substr($content['content_path'],-1)!='/')) {
  89                                 $content['content_path'] .= '/';
  90                         }
  91
  92                         /*
  93                          * generate weblinks
  94                          * Reason to put it here is cause we don't want the content to be overwrittened.
  95                          */
  96                         if ($content['content_type']==CONTENT_TYPE_WEBLINK){
  97                                 $wl = new Weblinks($content['title'], $content['text']);
  98                                 $wlexport = new WeblinksExport($wl);
  99                                 $wl_xml = $wlexport->export();
 100                                 $wl_filename = 'weblinks_'.$content['content_id'].'.xml';
 101                                 $zipfile->add_file($wl_xml , 'Weblinks/'.$wl_filename, $content['u_ts']);
 102                                 $resources .= str_replace(      array('{PATH}', '{CONTENT_ID}'),
 103                                                                                         array($wl_filename, $content['content_id']),
 104                                                                                         $ims_template_xml['resource_weblink']);
 105                                 //Done.
 106 //                              continue;
 107                         }
 108
 109                         if ($content['content_type']==CONTENT_TYPE_FOLDER){
 110                                 $link .= $prefix.'<item identifier="MANIFEST01_FOLDER'.$content['content_id'].'">'."\n";
 111                                 $link .= $prefix.$space.'<title>'.$content['title'].'</title>'."\n";
 112                         } else {
 113                                 $link .= '<item identifier="MANIFEST01_ITEM'.$content['content_id'].'" identifierref="MANIFEST01_RESOURCE'.$content['content_id'].'">'."\n";
 114                                 $link .= $prefix.$space.'<title>'.$content['title'].'</title>'."\n$prefix$space";
 115                         }
 116                         $html_link = '<a href="resources/'.$content['content_path'].$content['content_id'].'.html" target="body">'.$content['title'].'</a>';
 117
 118                         /* save the content as HTML files */
 119                         $content['text'] = str_replace('CONTENT_DIR/', '', $content['text']);
 120                         /* Commented by Cindy Qi Li on Jan 12, 2010
 121                          * AContent does not support glossary
 122                         // get all the glossary terms used
 123                         $terms = find_terms($content['text']);
 124                         if (is_array($terms)) {
 125                                 foreach ($terms[2] as $term) {
 126                                         $used_glossary_terms[] = $term;
 127                                 }
 128                         }
 129 */
 130                         $f_count = count($forum_list); //count all distinct forum_id associated to a content page
 131                                                 //la funzione è ricorsiva quindi lo devo ricavare attraverso la variabile globale forum_list
 132
 133                         $contentForumsAssocDAO = new ContentForumsAssocDAO();
 134                         $forums = $contentForumsAssocDAO->getByContent($content[content_id]);
 135 //                    $sql = "SELECT cf.forum_id, f.title, f.description FROM (SELECT * FROM ".TABLE_PREFIX."content_forums_assoc WHERE content_id=$content[content_id]) AS cf LEFT JOIN ".TABLE_PREFIX."forums f ON cf.forum_id=f.forum_id";
 136 //                    $result_cf = mysql_query($sql,$db);
 137
 138                         $find=false;
 139                         $forums_dependency='';  //template for associate Discussion Topic to the current content into the manifest
 140                         if (is_array($forums)) {
 141                                 foreach($forums as $current_forum) {
 142                                         for($j=0;$j<$f_count;$j++) {
 143                                                 if($forum_list[$j]['id'] == $current_forum['forum_id']) $find= true;
 144                                         }
 145                                         if(!$find) {
 146                                                 $forum_list[$f_count]['id']=$current_forum['forum_id'];
 147                                                 $forum_list[$f_count]['title']=$current_forum['title'];
 148                                                 $forum_list[$f_count]['description']=$current_forum['description'];
 149                                                 $find=false;
 150                                                 $f_count++;
 151                                         }
 152                                 }
 153                                 $forums_dependency .= $prefix.$space.'<dependency identifierref="Forum'.$current_forum['forum_id'].'_R" />';
 154             }
 155
 156                          /** Test dependency **/
 157                         require_once(TR_INCLUDE_PATH.'classes/DAO/ContentTestsAssocDAO.class.php');
 158                         $contentTestsAssocDAO = new ContentTestsAssocDAO();
 159
 160 //                      $sql = 'SELECT * FROM '.TABLE_PREFIX.'content_tests_assoc WHERE content_id='.$content['content_id'];
 161 //                      $result = mysql_query($sql, $db);
 162 //                      while ($row = mysql_fetch_assoc($result)){
 163                         $rows = $contentTestsAssocDAO->getByContent($content['content_id']);
 164                         if (is_array($rows)) {
 165                                 //add test dependency on top of forum dependency
 166                                 foreach ($rows as $row)
 167                                         $forums_dependency .= $prefix.$space.'<dependency identifierref="MANIFEST01_RESOURCE_QTI'.$row['test_id'].'" />';
 168                         }
 169
 170
 171                         /* calculate how deep this page is: */
 172                         $path = '../';
 173                         if ($content['content_path']) {
 174                                 $depth = substr_count($content['content_path'], '/');
 175
 176                                 $path .= str_repeat('../', $depth);
 177                         }
 178
 179                         $content['text'] = ContentUtility::formatContent($content['text'], $content['formatting']);
 180                         // add HTML header and footers to the files
 181                         // use default style if <style> is not in imported html head
 182                         $head = '';
 183                         if ($content['use_customized_head'])
 184                         {
 185                                 if (strpos(strtolower($content['head']), '<style') > 0)
 186                                 {
 187                                         $head = $content['head'];
 188                                 }
 189                                 else
 190                                 {
 191                                         if (strlen($content['head']) > 0)
 192                                                 $head = $content['head'] . $default_html_style;
 193                                         else
 194                                                 $head = $default_html_style;
 195                                 }
 196                         }
 197
 198                         $content['text'] = str_replace( array('{TITLE}',        '{CONTENT}', '{KEYWORDS}', '{COURSE_PRIMARY_LANGUAGE_CHARSET}', '{COURSE_PRIMARY_LANGUAGE_CODE}', '{HEAD}'),
 199                                                                         array($content['title'],        $content['text'], $content['keywords'], $course_language_charset, $course_language_code, $head),
 200                                                                         $html_content_template);
 201
 202                         /* duplicate the paths in the content_path field in the zip file */
 203                         if ($content['content_path']) {
 204                                 if (!in_array($content['content_path'], $paths)) {
 205                                         $zipfile->create_dir('resources/'.$content['content_path'], time());
 206                                         $paths[] = $content['content_path'];
 207                                 }
 208                         }
 209                         //add the file iff it's a content file
 210                         if($content['content_type']==CONTENT_TYPE_CONTENT){
 211                                 $zipfile->add_file($content['text'], 'resources/'.$content['content_path'].$content['content_id'].'.html', $content['u_ts']);
 212                         }
 213                         $content['title'] = htmlspecialchars($content['title']);
 214
 215                         /* add the resource dependancies */
 216                         if ($my_files == null) $my_files = array();
 217                         $content_files = "\n";
 218                         $parser->parse($content['text']);
 219
 220                         /* generate the IMS QTI resource and files */
 221                         //check if test export is allowed.
 222                         $content_test_rs = $contentManager->getContentTestsAssoc($content['content_id']);
 223                         $test_ids = array();            //reset test ids
 224                         //$my_files = array();          //reset myfiles.
 225                         if (is_array($content_test_rs)) {
 226                                 foreach ($content_test_rs as $content_test_row){
 227                                         //export
 228                                         $test_ids[] = $content_test_row['test_id'];
 229                                         //the 'added_files' is for adding into the manifest file in this zip
 230                                         $added_files = test_qti_export($content_test_row['test_id'], '', $zipfile);
 231                                         foreach($added_files as $xml_file=>$chunk){
 232                                                 foreach ($chunk as $xml_filename){
 233                                                         $added_files_xml .= str_replace('{FILE}', 'resources/'.$xml_filename, $ims_template_xml['xml']);
 234                                                 }
 235                                         }
 236                                         //Save all the xml files in this array, and then print_organizations will add it to the manifest file.
 237                                         $resources .= str_replace(      array('{TEST_ID}', '{PATH}', '{FILES}'),
 238                                                                                                 array($content_test_row['test_id'], 'tests_'.$content_test_row['test_id'].'.xml', $added_files_xml),
 239                                                                                                 $ims_template_xml['resource_test']);
 240 /*      Taken out since we are gonna use dependency instead
 241                                         $test_xml_items .= str_replace( array('{TEST_ID}'),
 242                                                                                                 array($content_test_row['test_id']),
 243                                                                                                 $ims_template_xml['test']);
 244 */
 245                                         foreach($test_files as $filename=>$realfilepath){
 246                                                 $zipfile->add_file(@file_get_contents($realfilepath), 'resources/'.$filename, filemtime($realfilepath));
 247                                         }
 248                                 }
 249                         }
 250
 251                         /* generate the a4a files */
 252                         $a4a_xml_array = array();
 253                         if ($use_a4a == true){
 254                                 $a4aExport = new A4aExport($content['content_id']);
 255 //                              $a4aExport->setRelativePath('resources/'.$content['content_path']);
 256                                 $secondary_files = $a4aExport->getAllSecondaryFiles();
 257                                 $a4a_xml_array = $a4aExport->exportA4a();
 258                                 $my_files = array_merge($my_files, $a4aExport->getAllSecondaryFiles());
 259                         }
 260
 261                         /* handle @import */
 262                         $import_files = get_import_files($content['text']);
 263
 264                         if (count($import_files) > 0) $my_files = array_merge($my_files, $import_files);
 265
 266                         foreach ($my_files as $file) {
 267                                 /* filter out full urls */
 268                                 $url_parts = @parse_url($file);
 269 //                              if (isset($url_parts['scheme'])) {
 270 //                                      continue;
 271 //                              }
 272
 273                                 /* file should be relative to content. let's double check */
 274                                 if ((substr($file, 0, 1) == '/')) {
 275                                         continue;
 276                                 }
 277
 278
 279                                 if (substr($file, 0, 7) != 'http://' && substr($file, 0, 8) != 'https://') {
 280                                         $file_path = realpath(TR_CONTENT_DIR . $course_id . '/' . $content['content_path'] . $file);
 281
 282                                         /* check if the path contains TR_CONTENT_DIR in it, if not, skip it, it's trying to scan through
 283                                          * the file system */
 284                                         if (strpos($file_path, TR_CONTENT_DIR)!==0){
 285                                                 continue; //skip
 286                                         }
 287
 288                                         /* check if this file exists in the content dir, if not don't include it */
 289                                         if (file_exists($file_path) &&  is_file($file_path) && !in_array($file_path, $zipped_files)) {
 290                                                 $zipped_files[] = $file_path;
 291                                                 $dir = substr(dirname($file_path), strlen(TR_CONTENT_DIR . $course_id));
 292
 293                                                 if (!in_array($dir, $paths) && $dir) {
 294                                                         $dir = str_replace('\\', '/', substr($dir, 1));
 295                                                         $zipfile->create_dir('resources/' . $dir, time());
 296
 297                                                         $paths[] = $dir;
 298                                                 }
 299
 300                                                 $file_info = stat( $file_path );
 301
 302                                                 //remove relative path in the content_path.
 303                                                 $filepath_array = explode('/', 'resources/' . $content['content_path'] . $file);
 304                                                 $new_filepath_array = array();
 305                                                 if (in_array('..', $filepath_array)){
 306                                                         while (!empty($filepath_array)){
 307                                                                 $temp = array_shift($filepath_array);
 308                                                                 if ($temp == '..'){
 309                                                                         array_pop($new_filepath_array);
 310                                                                 } else {
 311                                                                         array_push($new_filepath_array, $temp);
 312                                                                 }
 313                                                         }
 314                                                         $zip_path = implode('/', $new_filepath_array);
 315                                                 } else {
 316                                                         $zip_path = 'resources/' . $content['content_path'] . $file;
 317                                                 }
 318
 319                                                 $zipfile->add_file(@file_get_contents($file_path), $zip_path, $file_info['mtime']);
 320                                         }
 321                                 }
 322                                 //a4a secondary files have mapping, save the ones that we want in order to add the tag in
 323                                 $a4a_secondary_files = array();
 324                                 foreach ($a4a_xml_array as $a4a_filename=>$a4a_filearray){
 325                                         if (preg_match('/(.*)\sto\s(.*)/', $a4a_filename, $matches)){
 326                                                 //save the actual file name
 327                                                 $a4a_secondary_files[$matches[1]][] = $a4a_filename;    //values are holders
 328                                         }
 329                                 }
 330
 331                 /**
 332                  * A hack to fix youtube links.  one uses youtube.com?watch=xxx, the other uses youtube.com/v/xxx,
 333                  * in which both points to the same file, but needed different links to play.
 334                  * in A4a, these youtube links are always stored as "?watch=xxx", however, output.inc.php converted
 335                  * these to /v/xxx for rendering purposes.  Convert it back if youtube exists in url.
 336                  * http://atutor.ca/atutor/mantis/view.php?id=4548
 337                  * @harris 9/30/2010
 338                  */
 339                 if (strpos($file, 'youtube.com')!==false){
 340                     //apply the conversion before linking the alternatives. Otherwise it will not be added.
 341                     $file = ContentUtility::convertYoutubePlayURLToWatchURL($file);
 342                 }
 343                                 // If this file has a4a alternatives, link it.
 344                                 if (isset($a4a_xml_array[$file]) || isset($a4a_secondary_files[$file])){
 345                                         //if this is an array, meaning that it has more than 1 alternatives, print all
 346                                         if (substr($file, 0, 7) == 'http://' || substr($file, 0, 8) == 'https://') {
 347                                                 $name_in_file_meta = $file;
 348                                         } else {
 349                                                 $name_in_file_meta = 'resources/'.$content['content_path'] . $file;
 350                                         }
 351                                         if (is_array($a4a_secondary_files[$file])){
 352                                                 $all_secondary_files_md = '';   //reinitialize string to null
 353                                                 foreach ($a4a_secondary_files[$file] as $v){
 354                                                         foreach($a4a_xml_array[$v] as $v2){
 355                                                                 $all_secondary_files_md .= $v2; //all the meta data
 356                                                         }
 357                                                 }
 358                                                 $content_files .= str_replace(  array('{FILE}', '{FILE_META_DATA}'),
 359                                                 array($name_in_file_meta, $all_secondary_files_md),
 360                                                 $ims_template_xml['file_meta']);
 361                                         } else {
 362                                                 $content_files .= str_replace(  array('{FILE}', '{FILE_META_DATA}'),
 363                                                 array($name_in_file_meta, $a4a_xml_array[$file]),
 364                                                 $ims_template_xml['file_meta']);
 365                                         }
 366                                 } else {
 367                                         //if this file is in the test array, add an extra link to the direct file,
 368                                         if (!empty($test_zipped_files) && in_array($file_path, $test_zipped_files)){
 369                                                 $content_files .= str_replace('{FILE}', $file, $ims_template_xml['file']);
 370                                         } else {
 371                                                 if (preg_match('/^http[s]?\:/', $file) == 1){
 372                                                         $content_files .= str_replace('{FILE}', $file, $ims_template_xml['xml']);
 373                                                 } elseif (file_exists($file_path) && is_file($file_path)) {
 374                                                         //http://www.atutor.ca/atutor/mantis/view.php?id=4313
 375                                                         //relative link that goes beyond get.php shouldn't be added
 376                                                         //relative link that does not exist shouldn't be added.
 377                                                         $content_files .= str_replace('{FILE}', $content['content_path'] . $file, $ims_template_xml['file']);
 378                                                 }
 379                                         }
 380                                 }
 381                                 /* check if this file is one of the test xml file, if so, we need to add the dependency
 382                                  * Note:  The file has already been added to the archieve before this is called.
 383                                  */
 384                                 if (preg_match('/tests\_[0-9]+\.xml$/', $file) && !in_array($file, $test_zipped_files)){
 385                                         $content_files .= str_replace('{FILE}', 'QTI/'.$file, $ims_template_xml['xml']);
 386                                         $test_zipped_files[] = $file;
 387                                 }
 388                         }
 389
 390                         /******************************
 391                          * http://www.atutor.ca/atutor/mantis/view.php?id=4383
 392                      */
 393                         $my_files = array();
 394
 395                         /******************************/
 396                         //add it to the resources section if it hasn't been added.
 397                         //Weblinks have been added.
 398                         //Folders aren't resourecs, they shouldn't be added
 399                         if($content['content_type']==CONTENT_TYPE_CONTENT){
 400                                 $resources .= str_replace(      array('{CONTENT_ID}', '{PATH}', '{FILES}','{DEPENDENCY}'),
 401                                                                                         array($content['content_id'], $content['content_path'], $content_files, $forums_dependency),
 402                                                                                         $ims_template_xml['resource']);
 403                         }
 404
 405
 406                         for ($i=0; $i<$depth; $i++) {
 407                                 $link .= $space;
 408                         }
 409
 410                         if ( is_array($_menu[$content['content_id']]) ) {
 411                                 /* has children */
 412
 413                                 $html_link = '<li>'.$html_link.'<ul>';
 414                                 for ($i=0; $i<$depth; $i++) {
 415                                         if ($children[$i] == 1) {
 416                                                 echo $space;
 417                                                 //$html_link = $space.$html_link;
 418                                         } else {
 419                                                 echo $space;
 420                                                 //$html_link = $space.$html_link;
 421                                         }
 422                                 }
 423
 424                         } else {
 425                                 /* doesn't have children */
 426
 427                                 $html_link = '<li>'.$html_link.'</li>';
 428                                 if ($counter == $num_items) {
 429                                         for ($i=0; $i<$depth; $i++) {
 430                                                 if ($children[$i] == 1) {
 431                                                         echo $space;
 432                                                         //$html_link = $space.$html_link;
 433                                                 } else {
 434                                                         echo $space;
 435                                                         //$html_link = $space.$html_link;
 436                                                 }
 437                                         }
 438                                 } else {
 439                                         for ($i=0; $i<$depth; $i++) {
 440                                                 echo $space;
 441                                                 //$html_link = $space.$html_link;
 442                                         }
 443                                 }
 444                                 $title = $space.$title;
 445                         }
 446
 447                         echo $prefix.$link;
 448 //                      echo $title;
 449                         echo "\n";
 450
 451                         $string .= $html_link."\n";
 452
 453                         $depth ++;
 454                         print_organizations($content['content_id'],
 455                                                                 $_menu,
 456                                                                 $depth,
 457                                                                 $path.$counter.'.',
 458                                                                 $children,
 459                                                                 $string);
 460                         $depth--;
 461
 462                         $counter++;
 463                         for ($i=0; $i<$depth; $i++) {
 464                                 echo $space;
 465                         }
 466
 467 //                      if (!empty($_menu[$content['content_id']])){
 468                         echo $prefix.'</item>';
 469 //                      }
 470                         echo "\n";
 471                 }
 472
 473                 $string .= '</ul>';
 474                 if ($depth > 0) {
 475                         $string .= '</li>';
 476                 }
 477
 478         }
 479 }
 480
 481
 482 //TODO***************BOLOGNA******************REMOVE ME***************/
 483 /* Export Forum */
 484 function print_resources_forum() {
 485
 486     global $forum_list, $zipfile, $resources;           //$forum_list contiene tutti i forum DISTINTI associati ai contenuti. caricato in print_organizations()
 487
 488     $ims_template_xml['resource_forum'] =
 489
 490         '<resource identifier="Forum{FORUMID}_R" type="imsdt_xmlv1p0">
 491             <metadata/>
 492             <file href="Forum{FORUMID}/FileDescriptorForum{FORUMID}.xml"/>
 493         </resource>
 494         '."\n";
 495
 496     if (is_array($forum_list)) {
 497             foreach ($forum_list as $f){
 498             // per ogni forum associato ad uno o pi� contenuti del corso viene aggiunto un elemento resource in imsmanifest.xml
 499                 $resources .= str_replace("{FORUMID}", $f['id'], $ims_template_xml['resource_forum']);
 500
 501                 //viene generato il file descrittore
 502                 //file Descrittore con la descrzione del forum
 503                 $fileDesDT_D = '<?xml version="1.0" encoding="UTF-8"?>
 504
 505                             <topic
 506                             xmlns="http://www.imsglobal.org/xsd/imsdt_v1p0"
 507                             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsdt_v1p0 http://www.imsglobal.org/profile/cc/ccv1p0/derived_schema/domainProfile_6/imsdt_v1p0_localised.xsd">
 508
 509                                 <title>{TitleDiscussionTopic}</title>
 510
 511                                 <text texttype="text/plain">{DescriptionDiscussionTopic}</text>
 512
 513                             </topic>';
 514
 515                 //file Descrittore senza la descrizione del forum
 516                 $fileDesDT = '<?xml version="1.0" encoding="UTF-8"?>
 517
 518                             <topic
 519                             xmlns="http://www.imsglobal.org/xsd/imsdt_v1p0"
 520                             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsdt_v1p0 http://www.imsglobal.org/profile/cc/ccv1p0/derived_schema/domainProfile_6/imsdt_v1p0_localised.xsd">
 521
 522                                 <title>{TitleDiscussionTopic}</title>
 523
 524                                 <text/>
 525
 526                             </topic>';
 527
 528                         $f['title'] = htmlspecialchars($f['title']);
 529                         $f['description'] = htmlspecialchars($f['description']);
 530                 if (empty($f['description']))
 531                     $text_file_des_xml = str_replace (array('{TitleDiscussionTopic}', '{DescriptionDiscussionTopic}'), array($f['title'], $f['description']), $fileDesDT);
 532                 else
 533                     $text_file_des_xml = str_replace (array('{TitleDiscussionTopic}', '{DescriptionDiscussionTopic}'), array($f['title'], $f['description']), $fileDesDT_D);
 534
 535                 $zipfile->add_file($text_file_des_xml,  'Forum'.$f['id'].'/'.'FileDescriptorForum'.$f['id'].'.xml');
 536             }
 537     }
 538     //$zipfile->add_file(file_get_contents('../../images/home-forums_sm.png'),  'resources/home-forums_sm.png');
 539 }
 540
 541
 542 $ims_template_xml['header'] = '<?xml version="1.0" encoding="{COURSE_PRIMARY_LANGUAGE_CHARSET}"?>
 543 <!--This is an AContent IMS Common Cartridge 1.0 document-->
 544 <!--Created from the AContent Content Package Generator - http://www.atutor.ca-->
 545 <manifest identifier="MANIFEST-'.md5($cid).'"
 546 xmlns="http://www.imsglobal.org/xsd/imscc/imscp_v1p1"
 547 xmlns:imsmd="http://ltsc.ieee.org/xsd/imscc/LOM"
 548 xmlns:lomimscc="http://ltsc.ieee.org/xsd/imscc/LOM"
 549 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 550 xsi:schemaLocation="http://www.imsglobal.org/xsd/imscc/imscp_v1p1 http://www.imsglobal.org/profile/cc/ccv1p0/derived_schema/imscp_v1p2_localised.xsd http://ltsc.ieee.org/xsd/imscc/LOM http://www.imsglobal.org/profile/cc/ccv1p0/derived_schema/domainProfile_1/lomLoose_localised.xsd" version="IMS Common Cartridge 1.0.0"> <metadata>
 551                 <schema>IMS Common Cartridge</schema>
 552             <schemaversion>1.0.0</schemaversion>
 553                 <lomimscc:lom>
 554       <lomimscc:general>
 555         <lomimscc:identifier>
 556                         <lomimscc:catalog>ATutor</lomimscc:catalog>
 557                         <lomimscc:entry></lomimscc:entry>
 558         </lomimscc:identifier>
 559         <lomimscc:title>
 560                         <lomimscc:string language="{COURSE_PRIMARY_LANGUAGE_CODE}">{COURSE_TITLE}</lomimscc:string>
 561         </lomimscc:title>
 562         <lomimscc:language>en</lomimscc:language>
 563         <lomimscc:description>
 564                         <lomimscc:string language="{COURSE_PRIMARY_LANGUAGE_CODE}">{COURSE_DESCRIPTION}</lomimscc:string>
 565         </lomimscc:description>
 566         <lomimscc:keyword>
 567                         <lomimscc:string language="{COURSE_PRIMARY_LANGUAGE_CODE}">{KEYWORDS}</lomimscc:string>
 568         </lomimscc:keyword>
 569       </lomimscc:general>
 570     </lomimscc:lom>
 571         </metadata>'
 572 ;
 573
 574 $ims_template_xml['resource'] = '               <resource identifier="MANIFEST01_RESOURCE{CONTENT_ID}" type="webcontent" href="resources/{PATH}{CONTENT_ID}.html">
 575                         <metadata/>
 576                         <file href="resources/{PATH}{CONTENT_ID}.html"/>{FILES}
 577                         {DEPENDENCY}
 578                 </resource>
 579 '."\n";
 580 $ims_template_xml['resource_glossary'] = '              <resource identifier="MANIFEST01_RESOURCE_GLOSSARY" type="associatedcontent/imscc_xmlv1p0/learning-application-resource" href="resources/GlossaryItem/glossary.xml">
 581                         <metadata/>
 582                         <file href="resources/GlossaryItem/glossary.xml"/>
 583                 </resource>
 584 '."\n";
 585 $ims_template_xml['resource_test'] = '          <resource identifier="MANIFEST01_RESOURCE_QTI{TEST_ID}" type="imsqti_xmlv1p2/imscc_xmlv1p0/assessment">
 586                         <metadata/>
 587                         <file href="QTI/{PATH}"/>{FILES}
 588                 </resource>
 589 '."\n";
 590 $ims_template_xml['resource_weblink'] = '               <resource identifier="MANIFEST01_RESOURCE{CONTENT_ID}" type="imswl_xmlv1p0">
 591                         <metadata/>
 592                         <file href="Weblinks/{PATH}"/>
 593                 </resource>
 594 '."\n";
 595 $ims_template_xml['file'] = '                   <file href="resources/{FILE}"/>'."\n";
 596 $ims_template_xml['xml'] = '                    <file href="{FILE}"/>'."\n";
 597 $ims_template_xml['glossary'] = '                       <item identifier="GlossaryItem" identifierref="MANIFEST01_RESOURCE_GLOSSARY">
 598                                 <title>Glossary</title>
 599                         </item>';
 600 $ims_template_xml['test'] = '                   <item identifier="QTI{TEST_ID}" identifierref="MANIFEST01_RESOURCE_QTI{TEST_ID}">
 601                                 <title>Test {TEST_ID}</title>
 602                         </item>';
 603 $ims_template_xml['file_meta'] = '                      <file href="{FILE}">
 604                                 <metadata>
 605                                 {FILE_META_DATA}
 606                                 </metadata>
 607                         </file>'."\n";
 608
 609 $ims_template_xml['final'] = '
 610         <organizations>
 611                 <organization identifier="MANIFEST01_ORG1" structure="rooted-hierarchy">
 612                         <item identifier="resources">
 613                 {ORGANIZATIONS}
 614                     </item>
 615                 </organization>
 616         </organizations>
 617         <resources>
 618 {RESOURCES}
 619         </resources>
 620 </manifest>';
 621
 622 $html_template = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 623     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 624 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="{COURSE_PRIMARY_LANGUAGE_CODE}" lang="{COURSE_PRIMARY_LANGUAGE_CODE}">
 625 <head>
 626         <meta http-equiv="Content-Type" content="text/html; charset={COURSE_PRIMARY_LANGUAGE_CHARSET}" />
 627         <title>{TITLE}</title>
 628         <meta name="Generator" content="ATutor">
 629         <meta name="Keywords" content="{KEYWORDS}">
 630 </head>
 631 <body>{CONTENT}</body>
 632 </html>';
 633
 634 $html_content_template = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 635     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 636 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="{COURSE_PRIMARY_LANGUAGE_CODE}" lang="{COURSE_PRIMARY_LANGUAGE_CODE}">
 637 <head>
 638         <meta http-equiv="Content-Type" content="text/html; charset={COURSE_PRIMARY_LANGUAGE_CHARSET}" />
 639         {HEAD}
 640         <title>{TITLE}</title>
 641         <meta name="Generator" content="ATutor">
 642         <meta name="Keywords" content="{KEYWORDS}">
 643 </head>
 644 <body>{CONTENT}</body>
 645 </html>';
 646
 647 $default_html_style = ' <style type="text/css">
 648         body { font-family: Verdana, Arial, Helvetica, sans-serif;}
 649         a.at-term {     font-style: italic; }
 650         </style>';
 651
 652 //output this as header.html
 653 $html_mainheader = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 654     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 655 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="{COURSE_PRIMARY_LANGUAGE_CODE}" lang="{COURSE_PRIMARY_LANGUAGE_CODE}">
 656 <head>
 657         <meta http-equiv="Content-Type" content="text/html; charset={COURSE_PRIMARY_LANGUAGE_CHARSET}" />
 658         <link rel="stylesheet" type="text/css" href="ims.css"/>
 659         <title>{COURSE_TITLE}</title>
 660 </head>
 661 <body class="headerbody"><h3>{COURSE_TITLE}</h3></body></html>';
 662
 663
 664 $html_toc = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 665     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 666 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="{COURSE_PRIMARY_LANGUAGE_CODE}" lang="{COURSE_PRIMARY_LANGUAGE_CODE}">
 667 <head>
 668         <meta http-equiv="Content-Type" content="text/html; charset={COURSE_PRIMARY_LANGUAGE_CHARSET}" />
 669         <link rel="stylesheet" type="text/css" href="ims.css" />
 670         <title></title>
 671 </head>
 672 <body>{TOC}</body></html>';
 673
 674 // index.html
 675 $html_frame = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN"
 676    "http://www.w3.org/TR/html4/frameset.dtd">
 677 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="{COURSE_PRIMARY_LANGUAGE_CODE}" lang="{COURSE_PRIMARY_LANGUAGE_CODE}">
 678         <meta http-equiv="Content-Type" content="text/html; charset={COURSE_PRIMARY_LANGUAGE_CHARSET}" />
 679         <title>{COURSE_TITLE}</title>
 680 </head>
 681 <frameset rows="50,*,50">
 682 <frame src="header.html" name="header" title="header" scrolling="no">
 683         <frameset cols="25%, *" frameborder="1" framespacing="3">
 684                 <frame frameborder="2" marginwidth="0" marginheight="0" src="toc.html" name="frame" title="TOC">
 685                 <frame frameborder="2" src="resources/{PATH}{FIRST_ID}.html" name="body" title="{COURSE_TITLE}">
 686         </frameset>
 687 <frame src="footer.html" name="footer" title="footer" scrolling="no">
 688         <noframes>
 689                 <h1>{COURSE_TITLE}</h1>
 690       <p><a href="toc.html">Table of Contents</a> | <a href="footer.html">About</a><br />
 691           </p>
 692   </noframes>
 693 </frameset>
 694 </html>';
 695
 696
 697
 698 $glossary_xml = '<?xml version="1.0" encoding="{COURSE_PRIMARY_LANGUAGE_CHARSET}"?>
 699 <!--This is an ATutor Glossary terms document-->
 700 <!--Created from the ATutor Content Package Generator - http://www.atutor.ca-->
 701 <glossary:glossary xmlns:glossary="http://www.atutor.ca/xsd/glossary" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 702       {GLOSSARY_TERMS}
 703 </glossary:glossary>
 704 ';
 705
 706 $glossary_term_xml = '  <item>
 707                 <term>{TERM}</term>
 708                 <definition>{DEFINITION}</definition>
 709         </item>';
 710
 711 $glossary_body_html = '<h2>Glossary</h2>
 712         <ul>
 713 {BODY}
 714 </ul>';
 715
 716 $glossary_term_html = ' <li><a name="{ENCODED_TERM}"></a><strong>{TERM}</strong><br />
 717                 {DEFINITION}<br /><br /></li>';
 718
 719 ?>