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 $my_files, $content_base_href, $contentManager;
  95
  96     include_once(TR_INCLUDE_PATH.'classes/A4a/A4a.class.php');
  97         include_once(TR_INCLUDE_PATH.'classes/XML/XML_HTMLSax/XML_HTMLSax.php');        /* for XML_HTMLSax */
  98         include_once(TR_INCLUDE_PATH.'classes/ContentOutputParser.class.php');  /* for parser */
  99
 100         // initialize content_base_href; used in format_content
 101         if (!isset($content_base_href)) {
 102                 $result = $contentManager->getContentPage($cid);
 103                 // return if the cid is not found
 104                 if (!($content_row = @mysql_fetch_assoc($result))) return;
 105                 $content_base_href = $content_row["content_path"].'/';
 106         }
 107
 108         $body = ContentUtility::formatContent($content, $formatting);
 109
 110         $handler = new ContentOutputParser();
 111         $parser = new XML_HTMLSax();
 112         $parser->set_object($handler);
 113         $parser->set_element_handler('openHandler','closeHandler');
 114
 115         $my_files               = array();
 116         $parser->parse($body);
 117         $my_files = array_unique($my_files);
 118
 119         foreach ($my_files as $file) {
 120                 /* filter out full urls */
 121                 $url_parts = @parse_url($file);
 122
 123                 // file should be relative to content
 124                 if ((substr($file, 0, 1) == '/')) {
 125                         continue;
 126                 }
 127
 128                 // The URL of the movie from youtube.com has been converted above in embed_media().
 129                 // For example:  http://www.youtube.com/watch?v=a0ryB0m0MiM is converted to
 130                 // http://www.youtube.com/v/a0ryB0m0MiM to make it playable. This creates the problem
 131                 // that the parsed-out url (http://www.youtube.com/v/a0ryB0m0MiM) does not match with
 132                 // the URL saved in content table (http://www.youtube.com/watch?v=a0ryB0m0MiM).
 133                 // The code below is to convert the URL back to original.
 134                 $file = ContentUtility::convertYoutubePlayURLToWatchURL($file);
 135
 136                 $resources[] = convertAmp($file);  // converts & to &amp;
 137         }
 138
 139     $a4a = new A4a($cid);
 140     $db_primary_resources = $a4a->getPrimaryResources();
 141
 142     // clean up the removed resources
 143     foreach ($db_primary_resources  as $primary_rid=>$db_resource){
 144         //if this file from our table is not found in the $resource, then it's not used.
 145         if(count($resources) == 0 || !in_array($db_resource['resource'], $resources)){
 146                 $a4a->deletePrimaryResource($primary_rid);
 147         }
 148     }
 149
 150     if (count($resources) == 0) return;
 151
 152         // insert the new resources
 153     foreach($resources as $primary_resource)
 154         {
 155                 if (!$a4a->getPrimaryResourceByName($primary_resource)){
 156                         $a4a->setPrimaryResource($cid, $primary_resource, $_SESSION['lang']);
 157                 }
 158         }
 159 }
 160
 161 // save all changes to the DB
 162 function save_changes($redir, $current_tab) {
 163         global $contentManager, $addslashes, $msg, $_course_id, $_content_id;
 164
 165         $_POST['pid']   = intval($_POST['pid']);
 166         $_POST['_cid']  = intval($_POST['_cid']);
 167
 168         $_POST['alternatives'] = intval($_POST['alternatives']);
 169
 170         $_POST['title'] = trim($_POST['title']);
 171         $_POST['head']  = trim($_POST['head']);
 172         $_POST['use_customized_head']   = isset($_POST['use_customized_head'])?$_POST['use_customized_head']:0;
 173         $_POST['body_text']     = trim($_POST['body_text']);
 174         $_POST['weblink_text'] = trim($_POST['weblink_text']);
 175         $_POST['formatting'] = intval($_POST['formatting']);
 176         $_POST['keywords']      = trim($_POST['keywords']);
 177         $_POST['test_message'] = trim($_POST['test_message']);
 178
 179         //if weblink is selected, use it
 180         if ($_POST['formatting']==CONTENT_TYPE_WEBLINK) {
 181             $url = $_POST['weblink_text'];
 182             $validated_url = isValidURL($url);
 183         if (!validated_url || $validated_url !== $url) {
 184                $msg->addError(array('INVALID_INPUT', _AT('weblink')));
 185             } else {
 186                     $_POST['body_text'] = $url;
 187                     $content_type_pref = CONTENT_TYPE_WEBLINK;
 188             }
 189         } else {
 190                 $content_type_pref = CONTENT_TYPE_CONTENT;
 191         }
 192
 193         /*if (!($release_date = generate_release_date())) {
 194                 $msg->addError('BAD_DATE');
 195         }*/
 196
 197 //      if ($_POST['title'] == '') {
 198 //              $msg->addError(array('EMPTY_FIELDS', _AT('title')));
 199 //      }
 200
 201 //      if (!$msg->containsErrors()) {
 202         $orig_body_text = $_POST['body_text'];  // used to populate a4a tables
 203 //              $_POST['title']                 = $addslashes($_POST['title']);
 204 //              $_POST['body_text']             = $addslashes($_POST['body_text']);
 205 //              $_POST['head']                  = $addslashes($_POST['head']);
 206 //              $_POST['keywords']              = $addslashes($_POST['keywords']);
 207 //              $_POST['test_message']  = $addslashes($_POST['test_message']);
 208
 209                 // add or edit content
 210                 if ($_POST['_cid']) {
 211                         /* editing an existing page */
 212                         $err = $contentManager->editContent($_POST['_cid'], $_POST['title'], $_POST['body_text'],
 213                                                             $_POST['keywords'], $_POST['formatting'],
 214                                                             $_POST['head'], $_POST['use_customized_head'],
 215                                                             $_POST['test_message']);
 216                         $cid = $_POST['_cid'];
 217                 } else {
 218                         /* insert new */
 219                         $cid = $contentManager->addContent($_course_id,
 220                                                                                                   $_POST['pid'],
 221                                                                                                   $_POST['ordering'],
 222                                                                                                   $_POST['title'],
 223                                                                                                   $_POST['body_text'],
 224                                                                                                   $_POST['keywords'],
 225                                                                                                   $_POST['related'],
 226                                                                                                   $_POST['formatting'],
 227                                                                                                   $_POST['head'],
 228                                                                                                   $_POST['use_customized_head'],
 229                                                                                                   $_POST['test_message'],
 230                                                                                                   $content_type_pref);
 231                         $_POST['_cid']    = $cid;
 232                         $_REQUEST['_cid'] = $cid;
 233                 }
 234         // re-populate a4a tables based on the new content
 235                 populate_a4a($cid, $orig_body_text, $_POST['formatting']);
 236                 if ($cid == 0) return;
 237 //      }
 238
 239         /* insert glossary terms */
 240         /*
 241         if (is_array($_POST['glossary_defs']) && ($num_terms = count($_POST['glossary_defs']))) {
 242                 global $glossary, $glossary_ids, $msg;
 243
 244                 foreach($_POST['glossary_defs'] as $w => $d) {
 245                         $old_w = $w;
 246                         $key = in_array_cin($w, $glossary_ids);
 247                         $w = urldecode($w);
 248                         $d = $addslashes($d);
 249
 250                         if (($key !== false) && (($glossary[$old_w] != $d) || isset($_POST['related_term'][$old_w])) ) {
 251                                 $w = addslashes($w);
 252                                 $related_id = intval($_POST['related_term'][$old_w]);
 253                                 $sql = "UPDATE ".TABLE_PREFIX."glossary SET definition='$d', related_word_id=$related_id WHERE word_id=$key AND course_id=$_SESSION[course_id]";
 254                                 $result = mysql_query($sql, $db);
 255                                 $glossary[$old_w] = $d;
 256                         } else if ($key === false && ($d != '')) {
 257                                 $w = addslashes($w);
 258                                 $related_id = intval($_POST['related_term'][$old_w]);
 259                                 $sql = "INSERT INTO ".TABLE_PREFIX."glossary VALUES (NULL, $_SESSION[course_id], '$w', '$d', $related_id)";
 260
 261                                 $result = mysql_query($sql, $db);
 262                                 $glossary[$old_w] = $d;
 263                         }
 264                 }
 265         }*/
 266         if (isset($_GET['tab'])) {
 267                 $current_tab = intval($_GET['tab']);
 268         }
 269         if (isset($_POST['current_tab'])) {
 270                 $current_tab = intval($_POST['current_tab']);
 271         }
 272
 273         // adapted content: save primary content type
 274         if (isset($_POST['use_post_for_alt']))
 275         {
 276                 include_once(TR_INCLUDE_PATH.'classes/DAO/PrimaryResourcesTypesDAO.class.php');
 277                 $primaryResourcesTypesDAO = new PrimaryResourcesTypesDAO();
 278
 279                 // 1. delete old primary content type
 280                 $sql = "DELETE FROM ".TABLE_PREFIX."primary_resources_types
 281                          WHERE primary_resource_id in
 282                                (SELECT DISTINCT primary_resource_id
 283                                   FROM ".TABLE_PREFIX."primary_resources
 284                                  WHERE content_id=".$cid."
 285                                    AND language_code='".$_SESSION['lang']."')";
 286                 $primaryResourcesTypesDAO->execute($sql);
 287
 288                 // 2. insert the new primary content type
 289                 $sql = "SELECT pr.primary_resource_id, rt.type_id
 290                           FROM ".TABLE_PREFIX."primary_resources pr, ".
 291                                  TABLE_PREFIX."resource_types rt
 292                          WHERE pr.content_id = ".$cid."
 293                            AND pr.language_code = '".$_SESSION['lang']."'";
 294                 $all_types_rows = $primaryResourcesTypesDAO->execute($sql);
 295
 296                 if (is_array($all_types_rows)) {
 297                         foreach ($all_types_rows as $type) {
 298                                 if (isset($_POST['alt_'.$type['primary_resource_id'].'_'.$type['type_id']]))
 299                                 {
 300                                         $primaryResourcesTypesDAO->Create($type['primary_resource_id'], $type['type_id']);
 301 //                                      $sql = "INSERT INTO ".TABLE_PREFIX."primary_resources_types (primary_resource_id, type_id)
 302 //                                              VALUES (".$type['primary_resource_id'].", ".$type['type_id'].")";
 303 //                                      $result = mysql_query($sql, $db);
 304                                 }
 305                         }
 306                 }
 307         }
 308
 309         include_once(TR_INCLUDE_PATH.'classes/DAO/ContentTestsAssocDAO.class.php');
 310         $contentTestsAssocDAO = new ContentTestsAssocDAO();
 311         $test_rows = $contentTestsAssocDAO->getByContent($_POST['_cid']);
 312 //      $sql = 'SELECT * FROM '.TABLE_PREFIX."content_tests_assoc WHERE content_id=$_POST[cid]";
 313 //      $result = mysql_query($sql, $db);
 314         $db_test_array = array();
 315         if (is_array($test_rows)) {
 316                 foreach ($test_rows as $row) {
 317                         $db_test_array[] = $row['test_id'];
 318                 }
 319         }
 320
 321         if (is_array($_POST['tid']) && sizeof($_POST['tid']) > 0){
 322                 $toBeDeleted = array_diff($db_test_array, $_POST['tid']);
 323                 $toBeAdded = array_diff($_POST['tid'], $db_test_array);
 324                 //Delete entries
 325                 if (!empty($toBeDeleted)){
 326                         $tids = implode(",", $toBeDeleted);
 327                         $sql = 'DELETE FROM '. TABLE_PREFIX . "content_tests_assoc WHERE content_id=$_POST[cid] AND test_id IN ($tids)";
 328                         $contentTestsAssocDAO->execute($sql);
 329                 }
 330
 331                 //Add entries
 332                 if (!empty($toBeAdded)){
 333                         foreach ($toBeAdded as $i => $tid){
 334                                 $tid = intval($tid);
 335 //                              $sql = 'INSERT INTO '. TABLE_PREFIX . "content_tests_assoc SET content_id=$_POST[cid], test_id=$tid";
 336 //                              $result = mysql_query($sql, $db);
 337                                 if ($contentTestsAssocDAO->Create($_POST['_cid'], $tid) === false){
 338                                         $msg->addError('DB_NOT_UPDATED');
 339                                 }
 340                         }
 341                 }
 342         } else {
 343                 //All tests has been removed.
 344                 $contentTestsAssocDAO->DeleteByContentID($_POST['_cid']);
 345 //              $sql = 'DELETE FROM '. TABLE_PREFIX . "content_tests_assoc WHERE content_id=$_POST[cid]";
 346 //              $result = mysql_query($sql, $db);
 347         }
 348         //End Add test
 349
 350         //TODO*******************BOLOGNA****************REMOVE ME**************/
 351 /*
 352         if(isset($_SESSION['associated_forum']) && !$msg->containsErrors()){
 353                 if($_SESSION['associated_forum']=='none'){
 354                         $sql = "DELETE FROM ".TABLE_PREFIX."content_forums_assoc WHERE content_id='$_POST[cid]'";
 355                         mysql_query($sql,$db);
 356                 } else {
 357                         $sql = "DELETE FROM ".TABLE_PREFIX."content_forums_assoc WHERE content_id='$_POST[cid]'";
 358                         mysql_query($sql,$db);
 359                         $associated_forum = $_SESSION['associated_forum'];
 360                         for($i=0; $i<count($associated_forum); $i++){
 361                                 $sql="INSERT INTO ".TABLE_PREFIX."content_forums_assoc SET content_id='$_POST[cid]',forum_id='$associated_forum[$i]'";
 362                                 mysql_query($sql,$db);
 363                         }
 364                 }
 365                 unset($_SESSION['associated_forum']);
 366         }
 367 */
 368         if (!$msg->containsErrors() && $redir) {
 369                 $_SESSION['save_n_close'] = $_POST['save_n_close'];
 370
 371                 $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
 372                 header('Location: '.basename($_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($_POST['alternatives']));
 373                 exit;
 374         } else {
 375                 return;
 376         }
 377 }
 378 /*
 379 function generate_release_date($now = false) {
 380         if ($now) {
 381                 $day  = date('d');
 382                 $month= date('m');
 383                 $year = date('Y');
 384                 $hour = date('H');
 385                 $min  = 0;
 386         } else {
 387                 $day    = intval($_POST['day']);
 388                 $month  = intval($_POST['month']);
 389                 $year   = intval($_POST['year']);
 390                 $hour   = intval($_POST['hour']);
 391                 $min    = intval($_POST['min']);
 392         }
 393
 394         if (!checkdate($month, $day, $year)) {
 395                 return false;
 396         }
 397
 398         if (strlen($month) == 1){
 399                 $month = "0$month";
 400         }
 401         if (strlen($day) == 1){
 402                 $day = "0$day";
 403         }
 404         if (strlen($hour) == 1){
 405                 $hour = "0$hour";
 406         }
 407         if (strlen($min) == 1){
 408                 $min = "0$min";
 409         }
 410         $release_date = "$year-$month-$day $hour:$min:00";
 411
 412         return $release_date;
 413 }
 414 */
 415 function check_for_changes($row, $row_alternatives) {
 416         global $contentManager, $cid, $glossary, $glossary_ids_related, $addslashes;
 417
 418         $changes = array();
 419
 420         if ($row && strcmp(trim($addslashes($_POST['title'])), addslashes($row['title']))) {
 421                 $changes[0] = true;
 422         } else if (!$row && $_POST['title']) {
 423                 $changes[0] = true;
 424         }
 425
 426         if ($row && strcmp($addslashes(trim($_POST['head'])), trim(addslashes($row['head'])))) {
 427                 $changes[0] = true;
 428         } else if (!$row && $_POST['head']) {
 429                 $changes[0] = true;
 430         }
 431
 432         if ($row && strcmp($addslashes(trim($_POST['body_text'])), trim(addslashes($row['text'])))) {
 433                 $changes[0] = true;
 434         } else if (!$row && $_POST['body_text']) {
 435                 $changes[0] = true;
 436         }
 437
 438     if ($row && strcmp($addslashes(trim($_POST['weblink_text'])), trim(addslashes($row['text'])))) {
 439         $changes[0] = true;
 440     } else if (!$row && $_POST['weblink_text']) {
 441         $changes[0] = true;
 442     }
 443
 444         /* use customized head: */
 445         if ($row && isset($_POST['use_customized_head']) && ($_POST['use_customized_head'] != $row['use_customized_head'])) {
 446                 $changes[0] = true;
 447         }
 448
 449         /* formatting: */
 450         if ($row && strcmp(trim($_POST['formatting']), $row['formatting'])) {
 451                 $changes[0] = true;
 452         } else if (!$row && $_POST['formatting']) {
 453                 $changes[0] = true;
 454         }
 455
 456         /* release date: */
 457 //      if ($row && strcmp(substr(generate_release_date(), 0, -2), substr($row['release_date'], 0, -2))) {
 458 //              /* the substr was added because sometimes the release_date in the db has the seconds field set, which we dont use */
 459 //              /* so it would show a difference, even though it should actually be the same, so we ignore the seconds with the -2 */
 460 //              /* the seconds gets added if the course was created during the installation process. */
 461 //              $changes[1] = true;
 462 //      } else if (!$row && strcmp(generate_release_date(), generate_release_date(true))) {
 463 //              $changes[1] = true;
 464 //      }
 465
 466         /* related content: */
 467 //      $row_related = $contentManager->getRelatedContent($cid);
 468 //
 469 //      if (is_array($_POST['related']) && is_array($row_related)) {
 470 //              $sum = array_sum(array_diff($_POST['related'], $row_related));
 471 //              $sum += array_sum(array_diff($row_related, $_POST['related']));
 472 //              if ($sum > 0) {
 473 //                      $changes[1] = true;
 474 //              }
 475 //      } else if (!is_array($_POST['related']) && !empty($row_related)) {
 476 //              $changes[1] = true;
 477 //      }
 478
 479         /* keywords */
 480         if ($row && strcmp(trim($_POST['keywords']), $row['keywords'])) {
 481                 $changes[1] = true;
 482         }  else if (!$row && $_POST['keywords']) {
 483                 $changes[1] = true;
 484         }
 485
 486
 487         /* glossary */
 488 //      if (is_array($_POST['glossary_defs'])) {
 489 //              global $glossary_ids;
 490 //              foreach ($_POST['glossary_defs'] as $w => $d) {
 491 //
 492 //                      $key = in_array_cin($w, $glossary_ids);
 493 //                      if ($key === false) {
 494 //                              /* new term */
 495 //                              $changes[2] = true;
 496 //                              break;
 497 //                      } else if ($cid && ($d &&($d != $glossary[$glossary_ids[$key]]))) {
 498 //                              /* changed term */
 499 //                              $changes[2] = true;
 500 //                              break;
 501 //                      }
 502 //              }
 503 //
 504 //              if (is_array($_POST['related_term'])) {
 505 //                      foreach($_POST['related_term'] as $term => $r_id) {
 506 //                              if ($glossary_ids_related[$term] != $r_id) {
 507 //                                      $changes[2] = true;
 508 //                                      break;
 509 //                              }
 510 //                      }
 511 //              }
 512 //      }
 513
 514         /* adapted content */
 515         if (isset($_POST['use_post_for_alt']))
 516         {
 517                 foreach ($_POST as $alt_id => $alt_value) {
 518                         if (substr($alt_id, 0 ,4) == 'alt_' && $alt_value != $row_alternatives[$alt_id]){
 519                                 $changes[2] = true;
 520                                 break;
 521                         }
 522                 }
 523         }
 524
 525         /* test & survey */
 526         if ($row && isset($_POST['test_message']) && $_POST['test_message'] != $row['test_message']){
 527                 $changes[3] = true;
 528         }
 529
 530         $content_tests = $contentManager->getContentTestsAssoc($cid);
 531
 532         if (isset($_POST['visited_tests'])) {
 533                 if (!is_array($content_tests) && is_array($_POST['tid'])) {
 534                         $changes[3] = true;
 535                 }
 536                 if (is_array($content_tests)) {
 537                         for ($i = 0; $i < count($content_tests); $i++) {
 538                                 if ($content_tests[$i]['test_id'] <> $_POST['tid'][$i]) {
 539                                         $changes[3] = true;
 540                                         break;
 541                                 }
 542                         }
 543                 }
 544         }
 545
 546         return $changes;
 547 }
 548
 549 function paste_from_file() {
 550         global $msg;
 551
 552         include_once(TR_INCLUDE_PATH.'../home/classes/ContentUtility.class.php');
 553         if ($_FILES['uploadedfile_paste']['name'] == '')        {
 554                 $msg->addError('FILE_NOT_SELECTED');
 555                 return;
 556         }
 557         if ($_FILES['uploadedfile_paste']['name']
 558                 && (($_FILES['uploadedfile_paste']['type'] == 'text/plain')
 559                         || ($_FILES['uploadedfile_paste']['type'] == 'text/html')) )
 560                 {
 561
 562                 $path_parts = pathinfo($_FILES['uploadedfile_paste']['name']);
 563                 $ext = strtolower($path_parts['extension']);
 564
 565                 if (in_array($ext, array('html', 'htm'))) {
 566                         $_POST['body_text'] = file_get_contents($_FILES['uploadedfile_paste']['tmp_name']);
 567
 568                         /* get the <title></title> of this page                         */
 569
 570                         $start_pos      = strpos(strtolower($_POST['body_text']), '<title>');
 571                         $end_pos        = strpos(strtolower($_POST['body_text']), '</title>');
 572
 573                         if (($start_pos !== false) && ($end_pos !== false)) {
 574                                 $start_pos += strlen('<title>');
 575                                 $_POST['title'] = trim(substr($_POST['body_text'], $start_pos, $end_pos-$start_pos));
 576                         }
 577                         unset($start_pos);
 578                         unset($end_pos);
 579
 580                         $_POST['head'] = ContentUtility::getHtmlHeadByTag($_POST['body_text'], array("link", "style", "script"));
 581                         if (strlen(trim($_POST['head'])) > 0)
 582                                 $_POST['use_customized_head'] = 1;
 583                         else
 584                                 $_POST['use_customized_head'] = 0;
 585
 586                         $_POST['body_text'] = ContentUtility::getHtmlBody($_POST['body_text']);
 587
 588                         $msg->addFeedback('FILE_PASTED');
 589                 } else if ($ext == 'txt') {
 590                         $_POST['body_text'] = file_get_contents($_FILES['uploadedfile_paste']['tmp_name']);
 591                         //LAW
 592 //                      debug($_POST);
 593                         $msg->addFeedback('FILE_PASTED');
 594
 595                 }
 596         } else {
 597                 $msg->addError('BAD_FILE_TYPE');
 598         }
 599
 600         return;
 601 }
 602
 603 //for accessibility checker
 604 function write_temp_file() {
 605         global $_POST, $msg;
 606
 607         if (defined('TR_FORCE_GET_FILE') && TR_FORCE_GET_FILE) {
 608                 $content_base = 'get.php/';
 609         } else {
 610                 $content_base = 'content/' . $_SESSION['course_id'] . '/';
 611         }
 612
 613         if ($_POST['content_path']) {
 614                 $content_base .= $_POST['content_path'] . '/';
 615         }
 616
 617         $file_name = $_POST['_cid'].'.html';
 618
 619         if ($handle = fopen(TR_CONTENT_DIR . $file_name, 'wb+')) {
 620 //              $temp_content = '<h2>'.TR_print(stripslashes($_POST['title']), 'content.title').'</h2>';
 621 //
 622 //              if ($_POST['body_text'] != '') {
 623 //                      $temp_content .= format_content(stripslashes($_POST['body_text']), $_POST['formatting'], $_POST['glossary_defs']);
 624 //              }
 625 //              $temp_title = $_POST['title'];
 626 //
 627 //              $html_template = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 628 //                      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 629 //              <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 630 //              <head>
 631 //                      <base href="{BASE_HREF}" />
 632 //                      <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
 633 //                      <title>{TITLE}</title>
 634 //                      <meta name="Generator" content="ATutor accessibility checker file - can be deleted">
 635 //              </head>
 636 //              <body>
 637 //              {CONTENT}
 638 //              </body>
 639 //              </html>';
 640 //
 641 //              $page_html = str_replace(       array('{BASE_HREF}', '{TITLE}', '{CONTENT}'),
 642 //                                                                      array($content_base, $temp_title, $temp_content),
 643 //                                                                      $html_template);
 644
 645                 if (!@fwrite($handle, stripslashes($_POST['body_text']))) {
 646                         $msg->addError('FILE_NOT_SAVED');
 647            }
 648         } else {
 649                 $msg->addError('FILE_NOT_SAVED');
 650         }
 651         $msg->printErrors();
 652 }
 653 ?>