docs/home/editor/editor_tab_functions.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 function in_array_cin($strItem, $arItems)
  16 {
  17    foreach ($arItems as $key => $strValue)
  18    {
  19        if (strtoupper($strItem) == strtoupper($strValue))
  20        {
  21                    return $key;
  22        }
  23    }
  24    return false;
  25 }
  26
  27
  28 function get_tabs() {
  29         //these are the _AT(x) variable names and their include file
  30         /* tabs[tab_id] = array(tab_name, file_name,                accesskey) */
  31         $tabs[0] = array('content',                     'edit.inc.php',          'n');
  32         $tabs[1] = array('metadata',                    'properties.inc.php',    'p');
  33         $tabs[2] = array('alternative_content', 'alternatives.inc.php',  'l');
  34         $tabs[3] = array('tests',               'tests.inc.php',         't');
  35
  36         return $tabs;
  37 }
  38
  39
  40 function output_tabs($current_tab, $changes) {
  41         global $_base_path;
  42         $tabs = get_tabs();
  43         $num_tabs = count($tabs);
  44 ?>
  45         <table class="etabbed-table" border="0" cellpadding="0" cellspacing="0" width="95%">
  46         <tr>
  47                 <?php
  48                 for ($i=0; $i < $num_tabs; $i++):
  49                         if ($current_tab == $i):?>
  50                                 <td class="editor_tab_selected">
  51                                         <?php if ($changes[$i]): ?>
  52                                                 <img src="<?php echo $_base_path; ?>images/changes_bullet.gif" alt="<?php echo _AT('usaved_changes_made'); ?>" height="12" width="15" />
  53                                         <?php endif; ?>
  54                                         <?php echo _AT($tabs[$i][0]); ?>
  55                                 </td>
  56                                 <td class="tab-spacer">&nbsp;</td>
  57                         <?php else: ?>
  58                                 <td class="editor_tab">
  59                                         <?php if ($changes[$i]): ?>
  60                                                 <img src="<?php echo $_base_path; ?>images/changes_bullet.gif" alt="<?php echo _AT('usaved_changes_made'); ?>" height="12" width="15" />
  61                                         <?php endif; ?>
  62
  63                                         <?php echo '<input type="submit" name="button_'.$i.'" value="'._AT($tabs[$i][0]).'" title="'._AT($tabs[$i][0]).' - alt '.$tabs[$i][2].'" class="editor_buttontab" accesskey="'.$tabs[$i][2].'" onmouseover="this.style.cursor=\'pointer\';" '.$clickEvent.' />'; ?>
  64                                 </td>
  65                                 <td class="tab-spacer">&nbsp;</td>
  66                         <?php endif; ?>
  67                 <?php endfor; ?>
  68                 <td >&nbsp;</td>
  69         </tr>
  70         </table>
  71 <?php }
  72 /**
  73  * Strips all tags and encodes special characters in the URL
  74  * Returns false if the URL is invalid
  75  *
  76  * @param string $url
  77  * @return mixed - returns a stripped and encoded URL or false if URL is invalid
  78  */
  79 function isValidURL($url) {
  80     if (substr($url,0,4) === 'http') {
  81         return filter_var(filter_var($url, FILTER_SANITIZE_STRING), FILTER_VALIDATE_URL);
  82     }
  83     return false;
  84 }
  85
  86 /*
  87  * Parse the primary resources out of the content and save into db.
  88  * Clean up the removed primary resources from db.
  89  * @param: $cid: content id
  90  * @param: $content
  91  * @return: none
  92  */
  93 function populate_a4a($cid, $content, $formatting){
  94         global $db, $my_files;
  95
  96     include_once(TR_INCLUDE_PATH.'classes/A4a/A4a.class.php');
  97         include_once(TR_INCLUDE_PATH.'classes/XML/XML_HTMLSax/XML_HTMLSax.php');        /* for XML_HTMLSax */
  98         include_once(TR_INCLUDE_PATH.'classes/ContentOutputParser.class.php');  /* for parser */
  99
 100         $body = ContentUtility::formatContent($content, $formatting);
 101
 102         $handler = new ContentOutputParser();
 103         $parser = new XML_HTMLSax();
 104         $parser->set_object($handler);
 105         $parser->set_element_handler('openHandler','closeHandler');
 106
 107         $my_files               = array();
 108         $parser->parse($body);
 109         $my_files = array_unique($my_files);
 110
 111         foreach ($my_files as $file) {
 112                 /* filter out full urls */
 113                 $url_parts = @parse_url($file);
 114
 115                 // file should be relative to content
 116                 if ((substr($file, 0, 1) == '/')) {
 117                         continue;
 118                 }
 119
 120                 // The URL of the movie from youtube.com has been converted above in embed_media().
 121                 // For example:  http://www.youtube.com/watch?v=a0ryB0m0MiM is converted to
 122                 // http://www.youtube.com/v/a0ryB0m0MiM to make it playable. This creates the problem
 123                 // that the parsed-out url (http://www.youtube.com/v/a0ryB0m0MiM) does not match with
 124                 // the URL saved in content table (http://www.youtube.com/watch?v=a0ryB0m0MiM).
 125                 // The code below is to convert the URL back to original.
 126                 $file = ContentUtility::convertYoutubePlayURLToWatchURL($file);
 127
 128                 $resources[] = convertAmp($file);  // converts & to &amp;
 129         }
 130
 131     if (count($resources) == 0) return;
 132
 133     $a4a = new A4a($cid);
 134     $db_primary_resources = $a4a->getPrimaryResources();
 135
 136     // clean up the removed resources
 137     foreach ($db_primary_resources  as $primary_rid=>$db_resource){
 138         //if this file from our table is not found in the $resource, then it's not used.
 139         if(in_array($db_resource['resource'], $resources)===false){
 140             $a4a->deletePrimaryResource($primary_rid);
 141         }
 142     }
 143
 144         // insert the new resources
 145     foreach($resources as $primary_resource)
 146         {
 147                 if (!is_array($a4a->getPrimaryResourceByName($primary_resource))){
 148                         $a4a->setPrimaryResource($cid, $primary_resource, $_SESSION['lang']);
 149                 }
 150         }
 151 }
 152
 153 // save all changes to the DB
 154 function save_changes($redir, $current_tab) {
 155         global $contentManager, $addslashes, $msg, $_course_id, $_content_id;
 156
 157         $_POST['pid']   = intval($_POST['pid']);
 158         $_POST['_cid']  = intval($_POST['_cid']);
 159
 160         $_POST['alternatives'] = intval($_POST['alternatives']);
 161
 162         $_POST['title'] = trim($_POST['title']);
 163         $_POST['head']  = trim($_POST['head']);
 164         $_POST['use_customized_head']   = isset($_POST['use_customized_head'])?$_POST['use_customized_head']:0;
 165         $_POST['body_text']     = trim($_POST['body_text']);
 166         $_POST['weblink_text'] = trim($_POST['weblink_text']);
 167         $_POST['formatting'] = intval($_POST['formatting']);
 168         $_POST['keywords']      = trim($_POST['keywords']);
 169         $_POST['test_message'] = trim($_POST['test_message']);
 170
 171         //if weblink is selected, use it
 172         if ($_POST['formatting']==CONTENT_TYPE_WEBLINK) {
 173             $url = $_POST['weblink_text'];
 174             $validated_url = isValidURL($url);
 175         if (!validated_url || $validated_url !== $url) {
 176                $msg->addError(array('INVALID_INPUT', _AT('weblink')));
 177             } else {
 178                     $_POST['body_text'] = $url;
 179                     $content_type_pref = CONTENT_TYPE_WEBLINK;
 180             }
 181         } else {
 182                 $content_type_pref = CONTENT_TYPE_CONTENT;
 183         }
 184
 185         /*if (!($release_date = generate_release_date())) {
 186                 $msg->addError('BAD_DATE');
 187         }*/
 188
 189 //      if ($_POST['title'] == '') {
 190 //              $msg->addError(array('EMPTY_FIELDS', _AT('title')));
 191 //      }
 192
 193 //      if (!$msg->containsErrors()) {
 194         $orig_body_text = $_POST['body_text'];  // used to populate a4a tables
 195 //              $_POST['title']                 = $addslashes($_POST['title']);
 196 //              $_POST['body_text']             = $addslashes($_POST['body_text']);
 197 //              $_POST['head']                  = $addslashes($_POST['head']);
 198 //              $_POST['keywords']              = $addslashes($_POST['keywords']);
 199 //              $_POST['test_message']  = $addslashes($_POST['test_message']);
 200
 201                 // add or edit content
 202                 if ($_POST['_cid']) {
 203                         /* editing an existing page */
 204                         $err = $contentManager->editContent($_POST['_cid'], $_POST['title'], $_POST['body_text'],
 205                                                             $_POST['keywords'], $_POST['formatting'],
 206                                                             $_POST['head'], $_POST['use_customized_head'],
 207                                                             $_POST['test_message']);
 208                         $cid = $_POST['_cid'];
 209                 } else {
 210                         /* insert new */
 211                         $cid = $contentManager->addContent($_course_id,
 212                                                                                                   $_POST['pid'],
 213                                                                                                   $_POST['ordering'],
 214                                                                                                   $_POST['title'],
 215                                                                                                   $_POST['body_text'],
 216                                                                                                   $_POST['keywords'],
 217                                                                                                   $_POST['related'],
 218                                                                                                   $_POST['formatting'],
 219                                                                                                   $_POST['head'],
 220                                                                                                   $_POST['use_customized_head'],
 221                                                                                                   $_POST['test_message'],
 222                                                                                                   $content_type_pref);
 223                         $_POST['_cid']    = $cid;
 224                         $_REQUEST['_cid'] = $cid;
 225                 }
 226         // re-populate a4a tables based on the new content
 227                 populate_a4a($cid, $orig_body_text, $_POST['formatting']);
 228                 if ($cid == 0) return;
 229 //      }
 230
 231         /* insert glossary terms */
 232         /*
 233         if (is_array($_POST['glossary_defs']) && ($num_terms = count($_POST['glossary_defs']))) {
 234                 global $glossary, $glossary_ids, $msg;
 235
 236                 foreach($_POST['glossary_defs'] as $w => $d) {
 237                         $old_w = $w;
 238                         $key = in_array_cin($w, $glossary_ids);
 239                         $w = urldecode($w);
 240                         $d = $addslashes($d);
 241
 242                         if (($key !== false) && (($glossary[$old_w] != $d) || isset($_POST['related_term'][$old_w])) ) {
 243                                 $w = addslashes($w);
 244                                 $related_id = intval($_POST['related_term'][$old_w]);
 245                                 $sql = "UPDATE ".TABLE_PREFIX."glossary SET definition='$d', related_word_id=$related_id WHERE word_id=$key AND course_id=$_SESSION[course_id]";
 246                                 $result = mysql_query($sql, $db);
 247                                 $glossary[$old_w] = $d;
 248                         } else if ($key === false && ($d != '')) {
 249                                 $w = addslashes($w);
 250                                 $related_id = intval($_POST['related_term'][$old_w]);
 251                                 $sql = "INSERT INTO ".TABLE_PREFIX."glossary VALUES (NULL, $_SESSION[course_id], '$w', '$d', $related_id)";
 252
 253                                 $result = mysql_query($sql, $db);
 254                                 $glossary[$old_w] = $d;
 255                         }
 256                 }
 257         }*/
 258         if (isset($_GET['tab'])) {
 259                 $current_tab = intval($_GET['tab']);
 260         }
 261         if (isset($_POST['current_tab'])) {
 262                 $current_tab = intval($_POST['current_tab']);
 263         }
 264
 265         // adapted content: save primary content type
 266         if (isset($_POST['use_post_for_alt']))
 267         {
 268                 include_once(TR_INCLUDE_PATH.'classes/DAO/PrimaryResourcesTypesDAO.class.php');
 269                 $primaryResourcesTypesDAO = new PrimaryResourcesTypesDAO();
 270
 271                 // 1. delete old primary content type
 272                 $sql = "DELETE FROM ".TABLE_PREFIX."primary_resources_types
 273                          WHERE primary_resource_id in
 274                                (SELECT DISTINCT primary_resource_id
 275                                   FROM ".TABLE_PREFIX."primary_resources
 276                                  WHERE content_id=".$cid."
 277                                    AND language_code='".$_SESSION['lang']."')";
 278                 $primaryResourcesTypesDAO->execute($sql);
 279
 280                 // 2. insert the new primary content type
 281                 $sql = "SELECT pr.primary_resource_id, rt.type_id
 282                           FROM ".TABLE_PREFIX."primary_resources pr, ".
 283                                  TABLE_PREFIX."resource_types rt
 284                          WHERE pr.content_id = ".$cid."
 285                            AND pr.language_code = '".$_SESSION['lang']."'";
 286                 $all_types_rows = $primaryResourcesTypesDAO->execute($sql);
 287
 288                 if (is_array($all_types_rows)) {
 289                         foreach ($all_types_rows as $type) {
 290                                 if (isset($_POST['alt_'.$type['primary_resource_id'].'_'.$type['type_id']]))
 291                                 {
 292                                         $primaryResourcesTypesDAO->Create($type['primary_resource_id'], $type['type_id']);
 293 //                                      $sql = "INSERT INTO ".TABLE_PREFIX."primary_resources_types (primary_resource_id, type_id)
 294 //                                              VALUES (".$type['primary_resource_id'].", ".$type['type_id'].")";
 295 //                                      $result = mysql_query($sql, $db);
 296                                 }
 297                         }
 298                 }
 299         }
 300
 301         include_once(TR_INCLUDE_PATH.'classes/DAO/ContentTestsAssocDAO.class.php');
 302         $contentTestsAssocDAO = new ContentTestsAssocDAO();
 303         $test_rows = $contentTestsAssocDAO->getByContent($_POST['_cid']);
 304 //      $sql = 'SELECT * FROM '.TABLE_PREFIX."content_tests_assoc WHERE content_id=$_POST[cid]";
 305 //      $result = mysql_query($sql, $db);
 306         $db_test_array = array();
 307         if (is_array($test_rows)) {
 308                 foreach ($test_rows as $row) {
 309                         $db_test_array[] = $row['test_id'];
 310                 }
 311         }
 312
 313         if (is_array($_POST['tid']) && sizeof($_POST['tid']) > 0){
 314                 $toBeDeleted = array_diff($db_test_array, $_POST['tid']);
 315                 $toBeAdded = array_diff($_POST['tid'], $db_test_array);
 316                 //Delete entries
 317                 if (!empty($toBeDeleted)){
 318                         $tids = implode(",", $toBeDeleted);
 319                         $sql = 'DELETE FROM '. TABLE_PREFIX . "content_tests_assoc WHERE content_id=$_POST[cid] AND test_id IN ($tids)";
 320                         $contentTestsAssocDAO->execute($sql);
 321                 }
 322
 323                 //Add entries
 324                 if (!empty($toBeAdded)){
 325                         foreach ($toBeAdded as $i => $tid){
 326                                 $tid = intval($tid);
 327 //                              $sql = 'INSERT INTO '. TABLE_PREFIX . "content_tests_assoc SET content_id=$_POST[cid], test_id=$tid";
 328 //                              $result = mysql_query($sql, $db);
 329                                 if ($contentTestsAssocDAO->Create($_POST['_cid'], $tid) === false){
 330                                         $msg->addError('DB_NOT_UPDATED');
 331                                 }
 332                         }
 333                 }
 334         } else {
 335                 //All tests has been removed.
 336                 $contentTestsAssocDAO->DeleteByContentID($_POST['_cid']);
 337 //              $sql = 'DELETE FROM '. TABLE_PREFIX . "content_tests_assoc WHERE content_id=$_POST[cid]";
 338 //              $result = mysql_query($sql, $db);
 339         }
 340         //End Add test
 341
 342         //TODO*******************BOLOGNA****************REMOVE ME**************/
 343 /*
 344         if(isset($_SESSION['associated_forum']) && !$msg->containsErrors()){
 345                 if($_SESSION['associated_forum']=='none'){
 346                         $sql = "DELETE FROM ".TABLE_PREFIX."content_forums_assoc WHERE content_id='$_POST[cid]'";
 347                         mysql_query($sql,$db);
 348                 } else {
 349                         $sql = "DELETE FROM ".TABLE_PREFIX."content_forums_assoc WHERE content_id='$_POST[cid]'";
 350                         mysql_query($sql,$db);
 351                         $associated_forum = $_SESSION['associated_forum'];
 352                         for($i=0; $i<count($associated_forum); $i++){
 353                                 $sql="INSERT INTO ".TABLE_PREFIX."content_forums_assoc SET content_id='$_POST[cid]',forum_id='$associated_forum[$i]'";
 354                                 mysql_query($sql,$db);
 355                         }
 356                 }
 357                 unset($_SESSION['associated_forum']);
 358         }
 359 */
 360         if (!$msg->containsErrors() && $redir) {
 361                 $_SESSION['save_n_close'] = $_POST['save_n_close'];
 362
 363                 $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
 364                 header('Location: '.basename($_SERVER['PHP_SELF']).'?_cid='.$cid.SEP.'close='.$addslashes($_POST['save_n_close']).SEP.'tab='.$addslashes($_POST['current_tab']).SEP.'displayhead='.$addslashes($_POST['displayhead']).SEP.'alternatives='.$addslashes($_POST['alternatives']));
 365                 exit;
 366         } else {
 367                 return;
 368         }
 369 }
 370 /*
 371 function generate_release_date($now = false) {
 372         if ($now) {
 373                 $day  = date('d');
 374                 $month= date('m');
 375                 $year = date('Y');
 376                 $hour = date('H');
 377                 $min  = 0;
 378         } else {
 379                 $day    = intval($_POST['day']);
 380                 $month  = intval($_POST['month']);
 381                 $year   = intval($_POST['year']);
 382                 $hour   = intval($_POST['hour']);
 383                 $min    = intval($_POST['min']);
 384         }
 385
 386         if (!checkdate($month, $day, $year)) {
 387                 return false;
 388         }
 389
 390         if (strlen($month) == 1){
 391                 $month = "0$month";
 392         }
 393         if (strlen($day) == 1){
 394                 $day = "0$day";
 395         }
 396         if (strlen($hour) == 1){
 397                 $hour = "0$hour";
 398         }
 399         if (strlen($min) == 1){
 400                 $min = "0$min";
 401         }
 402         $release_date = "$year-$month-$day $hour:$min:00";
 403
 404         return $release_date;
 405 }
 406 */
 407 function check_for_changes($row, $row_alternatives) {
 408         global $contentManager, $cid, $glossary, $glossary_ids_related, $addslashes;
 409
 410         $changes = array();
 411
 412         if ($row && strcmp(trim($addslashes($_POST['title'])), addslashes($row['title']))) {
 413                 $changes[0] = true;
 414         } else if (!$row && $_POST['title']) {
 415                 $changes[0] = true;
 416         }
 417
 418         if ($row && strcmp($addslashes(trim($_POST['head'])), trim(addslashes($row['head'])))) {
 419                 $changes[0] = true;
 420         } else if (!$row && $_POST['head']) {
 421                 $changes[0] = true;
 422         }
 423
 424         if ($row && strcmp($addslashes(trim($_POST['body_text'])), trim(addslashes($row['text'])))) {
 425                 $changes[0] = true;
 426         } else if (!$row && $_POST['body_text']) {
 427                 $changes[0] = true;
 428         }
 429
 430     if ($row && strcmp($addslashes(trim($_POST['weblink_text'])), trim(addslashes($row['text'])))) {
 431         $changes[0] = true;
 432     } else if (!$row && $_POST['weblink_text']) {
 433         $changes[0] = true;
 434     }
 435
 436         /* use customized head: */
 437         if ($row && isset($_POST['use_customized_head']) && ($_POST['use_customized_head'] != $row['use_customized_head'])) {
 438                 $changes[0] = true;
 439         }
 440
 441         /* formatting: */
 442         if ($row && strcmp(trim($_POST['formatting']), $row['formatting'])) {
 443                 $changes[0] = true;
 444         } else if (!$row && $_POST['formatting']) {
 445                 $changes[0] = true;
 446         }
 447
 448         /* release date: */
 449 //      if ($row && strcmp(substr(generate_release_date(), 0, -2), substr($row['release_date'], 0, -2))) {
 450 //              /* the substr was added because sometimes the release_date in the db has the seconds field set, which we dont use */
 451 //              /* so it would show a difference, even though it should actually be the same, so we ignore the seconds with the -2 */
 452 //              /* the seconds gets added if the course was created during the installation process. */
 453 //              $changes[1] = true;
 454 //      } else if (!$row && strcmp(generate_release_date(), generate_release_date(true))) {
 455 //              $changes[1] = true;
 456 //      }
 457
 458         /* related content: */
 459 //      $row_related = $contentManager->getRelatedContent($cid);
 460 //
 461 //      if (is_array($_POST['related']) && is_array($row_related)) {
 462 //              $sum = array_sum(array_diff($_POST['related'], $row_related));
 463 //              $sum += array_sum(array_diff($row_related, $_POST['related']));
 464 //              if ($sum > 0) {
 465 //                      $changes[1] = true;
 466 //              }
 467 //      } else if (!is_array($_POST['related']) && !empty($row_related)) {
 468 //              $changes[1] = true;
 469 //      }
 470
 471         /* keywords */
 472         if ($row && strcmp(trim($_POST['keywords']), $row['keywords'])) {
 473                 $changes[1] = true;
 474         }  else if (!$row && $_POST['keywords']) {
 475                 $changes[1] = true;
 476         }
 477
 478
 479         /* glossary */
 480 //      if (is_array($_POST['glossary_defs'])) {
 481 //              global $glossary_ids;
 482 //              foreach ($_POST['glossary_defs'] as $w => $d) {
 483 //
 484 //                      $key = in_array_cin($w, $glossary_ids);
 485 //                      if ($key === false) {
 486 //                              /* new term */
 487 //                              $changes[2] = true;
 488 //                              break;
 489 //                      } else if ($cid && ($d &&($d != $glossary[$glossary_ids[$key]]))) {
 490 //                              /* changed term */
 491 //                              $changes[2] = true;
 492 //                              break;
 493 //                      }
 494 //              }
 495 //
 496 //              if (is_array($_POST['related_term'])) {
 497 //                      foreach($_POST['related_term'] as $term => $r_id) {
 498 //                              if ($glossary_ids_related[$term] != $r_id) {
 499 //                                      $changes[2] = true;
 500 //                                      break;
 501 //                              }
 502 //                      }
 503 //              }
 504 //      }
 505
 506         /* adapted content */
 507         if (isset($_POST['use_post_for_alt']))
 508         {
 509                 foreach ($_POST as $alt_id => $alt_value) {
 510                         if (substr($alt_id, 0 ,4) == 'alt_' && $alt_value != $row_alternatives[$alt_id]){
 511                                 $changes[2] = true;
 512                                 break;
 513                         }
 514                 }
 515         }
 516
 517         /* test & survey */
 518         if ($row && isset($_POST['test_message']) && $_POST['test_message'] != $row['test_message']){
 519                 $changes[3] = true;
 520         }
 521
 522         $content_tests = $contentManager->getContentTestsAssoc($cid);
 523
 524         if (isset($_POST['visited_tests'])) {
 525                 if (!is_array($content_tests) && is_array($_POST['tid'])) {
 526                         $changes[3] = true;
 527                 }
 528                 if (is_array($content_tests)) {
 529                         for ($i = 0; $i < count($content_tests); $i++) {
 530                                 if ($content_tests[$i]['test_id'] <> $_POST['tid'][$i]) {
 531                                         $changes[3] = true;
 532                                         break;
 533                                 }
 534                         }
 535                 }
 536         }
 537
 538         return $changes;
 539 }
 540
 541 function paste_from_file() {
 542         global $msg;
 543
 544         include_once(TR_INCLUDE_PATH.'../home/classes/ContentUtility.class.php');
 545         if ($_FILES['uploadedfile_paste']['name'] == '')        {
 546                 $msg->addError('FILE_NOT_SELECTED');
 547                 return;
 548         }
 549         if ($_FILES['uploadedfile_paste']['name']
 550                 && (($_FILES['uploadedfile_paste']['type'] == 'text/plain')
 551                         || ($_FILES['uploadedfile_paste']['type'] == 'text/html')) )
 552                 {
 553
 554                 $path_parts = pathinfo($_FILES['uploadedfile_paste']['name']);
 555                 $ext = strtolower($path_parts['extension']);
 556
 557                 if (in_array($ext, array('html', 'htm'))) {
 558                         $_POST['body_text'] = file_get_contents($_FILES['uploadedfile_paste']['tmp_name']);
 559
 560                         /* get the <title></title> of this page                         */
 561
 562                         $start_pos      = strpos(strtolower($_POST['body_text']), '<title>');
 563                         $end_pos        = strpos(strtolower($_POST['body_text']), '</title>');
 564
 565                         if (($start_pos !== false) && ($end_pos !== false)) {
 566                                 $start_pos += strlen('<title>');
 567                                 $_POST['title'] = trim(substr($_POST['body_text'], $start_pos, $end_pos-$start_pos));
 568                         }
 569                         unset($start_pos);
 570                         unset($end_pos);
 571
 572                         $_POST['head'] = ContentUtility::getHtmlHeadByTag($_POST['body_text'], array("link", "style", "script"));
 573                         if (strlen(trim($_POST['head'])) > 0)
 574                                 $_POST['use_customized_head'] = 1;
 575                         else
 576                                 $_POST['use_customized_head'] = 0;
 577
 578                         $_POST['body_text'] = ContentUtility::getHtmlBody($_POST['body_text']);
 579
 580                         $msg->addFeedback('FILE_PASTED');
 581                 } else if ($ext == 'txt') {
 582                         $_POST['body_text'] = file_get_contents($_FILES['uploadedfile_paste']['tmp_name']);
 583                         //LAW
 584 //                      debug($_POST);
 585                         $msg->addFeedback('FILE_PASTED');
 586
 587                 }
 588         } else {
 589                 $msg->addError('BAD_FILE_TYPE');
 590         }
 591
 592         return;
 593 }
 594
 595 //for accessibility checker
 596 function write_temp_file() {
 597         global $_POST, $msg;
 598
 599         if (defined('TR_FORCE_GET_FILE') && TR_FORCE_GET_FILE) {
 600                 $content_base = 'get.php/';
 601         } else {
 602                 $content_base = 'content/' . $_SESSION['course_id'] . '/';
 603         }
 604
 605         if ($_POST['content_path']) {
 606                 $content_base .= $_POST['content_path'] . '/';
 607         }
 608
 609         $file_name = $_POST['_cid'].'.html';
 610
 611         if ($handle = fopen(TR_CONTENT_DIR . $file_name, 'wb+')) {
 612 //              $temp_content = '<h2>'.TR_print(stripslashes($_POST['title']), 'content.title').'</h2>';
 613 //
 614 //              if ($_POST['body_text'] != '') {
 615 //                      $temp_content .= format_content(stripslashes($_POST['body_text']), $_POST['formatting'], $_POST['glossary_defs']);
 616 //              }
 617 //              $temp_title = $_POST['title'];
 618 //
 619 //              $html_template = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 620 //                      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 621 //              <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 622 //              <head>
 623 //                      <base href="{BASE_HREF}" />
 624 //                      <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
 625 //                      <title>{TITLE}</title>
 626 //                      <meta name="Generator" content="ATutor accessibility checker file - can be deleted">
 627 //              </head>
 628 //              <body>
 629 //              {CONTENT}
 630 //              </body>
 631 //              </html>';
 632 //
 633 //              $page_html = str_replace(       array('{BASE_HREF}', '{TITLE}', '{CONTENT}'),
 634 //                                                                      array($content_base, $temp_title, $temp_content),
 635 //                                                                      $html_template);
 636
 637                 if (!@fwrite($handle, stripslashes($_POST['body_text']))) {
 638                         $msg->addError('FILE_NOT_SAVED');
 639            }
 640         } else {
 641                 $msg->addError('FILE_NOT_SAVED');
 642         }
 643         $msg->printErrors();
 644 }
 645 ?>