mods/_core/editor/edit_content.php

   1 <?php
   2 /************************************************************************/
   3 /* ATutor                                                                                                                               */
   4 /************************************************************************/
   5 /* Copyright (c) 2002-2010                                              */
   6 /* Inclusive Design Institute                                           */
   7 /* http://atutor.ca                                                     */
   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 // $Id$
  13
  14 define('AT_INCLUDE_PATH', '../../../include/');
  15
  16 global $db, $associated_forum;
  17
  18 $get_related_glossary = true;
  19 require(AT_INCLUDE_PATH.'vitals.inc.php');
  20
  21 authenticate(AT_PRIV_CONTENT);
  22
  23 require(AT_INCLUDE_PATH.'lib/tinymce.inc.php');
  24 require_once(AT_INCLUDE_PATH.'../mods/_core/file_manager/filemanager.inc.php');
  25
  26 $cid = intval($_REQUEST['cid']);
  27
  28 if ($_POST) {
  29         $do_check = TRUE;
  30 } else {
  31         $do_check = FALSE;
  32 }
  33
  34 require(AT_INCLUDE_PATH.'../mods/_core/editor/editor_tab_functions.inc.php');
  35
  36 if ($_POST['close'] || $_GET['close']) {
  37         if ($_GET['close']) {
  38                 $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
  39         } else {
  40                 $msg->addFeedback('CLOSED');
  41                 if ($cid == 0) {
  42                         header('Location: '.AT_BASE_HREF.'mods/_core/content/index.php');
  43                         exit;
  44                 }
  45         }
  46
  47         if ($_REQUEST['cid'] == 0) {
  48                 header('Location: '.AT_BASE_HREF.'mods/_core/content/index.php');
  49                 exit;
  50         }
  51         header('Location: '.$_base_path.url_rewrite('content.php?cid='.intval($_REQUEST['cid'])));
  52         exit;
  53 }
  54
  55 $tabs = get_tabs();
  56 $num_tabs = count($tabs);
  57 for ($i=0; $i < $num_tabs; $i++) {
  58         if (isset($_POST['button_'.$i]) && ($_POST['button_'.$i] != -1)) {
  59                 $current_tab = $i;
  60                 $_POST['current_tab'] = $i;
  61                 break;
  62         }
  63 }
  64
  65 if (isset($_GET['tab'])) {
  66         $current_tab = intval($_GET['tab']);
  67 }
  68 if (isset($_POST['current_tab'])) {
  69         $current_tab = intval($_POST['current_tab']);
  70 }
  71
  72 if (isset($_POST['submit_file'])) {
  73         paste_from_file(body_text);
  74 } else if (isset($_POST['submit']) && ($_POST['submit'] != 'submit1')) {
  75         /* we're saving. redirects if successful. */
  76         save_changes(true, $current_tab);
  77 }
  78
  79 if (isset($_POST['submit_file_alt'])) {
  80         paste_from_file(body_text_alt);
  81 } else if (isset($_POST['submit']) && ($_POST['submit'] != 'submit1')) {
  82         /* we're saving. redirects if successful. */
  83         save_changes(true, $current_tab);
  84 }
  85
  86 if (isset($_POST['submit'])) {
  87         /* we're saving. redirects if successful. */
  88         save_changes(true, $current_tab);
  89 }
  90
  91 if (!isset($current_tab) && isset($_POST['button_1']) && ($_POST['button_1'] == -1) && !isset($_POST['submit'])) {
  92         $current_tab = 1;
  93 } else if (!isset($current_tab)) {
  94         $current_tab = 0;
  95 }
  96
  97 if ($cid) {
  98         $_section[0][0] = _AT('edit_content');
  99 } else {
 100         $_section[0][0] = _AT('add_content');
 101 }
 102
 103 if($current_tab == 0) {
 104         global $_content_tools;
 105
 106         $_custom_head .= '
 107     <link rel="stylesheet" type="text/css" href="'.AT_BASE_HREF.'jscripts/infusion/framework/fss/css/fss-layout.css" />
 108     <link rel="stylesheet" type="text/css" href="'.AT_BASE_HREF.'jscripts/infusion/framework/fss/css/fss-text.css" />
 109     ';
 110         $_content_tools = is_array($_content_tools) ? $_content_tools : array();
 111
 112         $current_tool_pos = 0;
 113         $_content_tools[] = array("id"=>"previewtool",
 114                                   "class"=>"fl-col clickable",
 115                                   "src"=>AT_BASE_HREF."images/preview.png",
 116                                   "title"=>_AT('preview').' - '._AT('new_window'),
 117                                   "alt"=>_AT('preview').' - '._AT('new_window'),
 118                                   "text"=>_AT('preview'),
 119                                   "js"=>AT_BASE_HREF."mods/_core/editor/js/edit.js",
 120                                   "position"=>++$current_tool_pos);
 121
 122         $_content_tools[] = array("id"=>"accessibilitytool", "class"=>"fl-col", "text"=>_AT('accessibility'), "position"=>++$current_tool_pos);
 123         $_content_tools[] = array("id"=>"headtool", "class"=>"fl-col", "text"=>_AT('customized_head'), "position"=>++$current_tool_pos);
 124         $_content_tools[] = array("id"=>"pastetool", "class"=>"fl-col", "text"=>_AT('paste'), "position"=>++$current_tool_pos);
 125         $_content_tools[] = array("id"=>"filemantool", "class"=>"fl-col", "text"=>_AT('files'), "position"=>++$current_tool_pos);
 126
 127         foreach ($_content_tools as $tool) {
 128         if (isset($tool["js"])) {
 129                 $_custom_head .= '<script type="text/javascript" src="'.$tool["js"].'"></script>'."\n";
 130         }
 131     }
 132 }
 133
 134 if ($cid) {
 135         $result = $contentManager->getContentPage($cid);
 136
 137         if (!($content_row = @mysql_fetch_assoc($result))) {
 138                 require(AT_INCLUDE_PATH.'header.inc.php');
 139                 $msg->printErrors('PAGE_NOT_FOUND');
 140                 require (AT_INCLUDE_PATH.'footer.inc.php');
 141                 exit;
 142         }
 143
 144         $path   = $contentManager->getContentPath($cid);
 145         $content_test = $contentManager->getContentTestsAssoc($cid);
 146
 147         if (defined('AT_FORCE_GET_FILE') && AT_FORCE_GET_FILE) {
 148                 $course_base_href = 'get.php/';
 149         } else {
 150                 $course_base_href = 'content/' . $_SESSION['course_id'] . '/';
 151         }
 152
 153         if ($content_row['content_path']) {
 154                 $content_base_href .= $content_row['content_path'].'/';
 155         }
 156 } else {
 157         if (defined('AT_FORCE_GET_FILE') && AT_FORCE_GET_FILE) {
 158                 $content_base_href = 'get.php/';
 159         } else {
 160                 $content_base_href = 'content/' . $_SESSION['course_id'] . '/';
 161         }
 162 }
 163
 164 if (($current_tab == 0) || ($_current_tab == 3)) {
 165     if ($_POST['formatting'] == null){
 166         // this is a fresh load from just logged in
 167             if ($_SESSION['prefs']['PREF_CONTENT_EDITOR'] == 0) { // plain text in text area
 168                         $_POST['formatting'] = 0;
 169                 } else if ($_SESSION['prefs']['PREF_CONTENT_EDITOR'] == 1) { // html with text area
 170                         $_POST['formatting'] = 1;
 171             } else if ($_SESSION['prefs']['PREF_CONTENT_EDITOR'] == 2) { // html with visual editor
 172                         $_POST['formatting'] = 3;
 173                 }
 174     }
 175 }
 176
 177 require(AT_INCLUDE_PATH.'header.inc.php');
 178
 179 if ($current_tab == 0 || $current_tab == 3)
 180 {
 181     $simple = true;
 182     if ($_POST['complexeditor'] == '1') {
 183         $simple = false;
 184     }
 185     load_editor($simple, false, "none");
 186 }
 187
 188 // Generate the last content tool elements
 189 //loading toolbar for insert discussion topic or web link into the content
 190 if ($current_tab == 0){
 191     if(authenticate(AT_PRIV_CONTENT,AT_PRIV_RETURN)){
 192         $home_links = get_home_navigation();                        //vengono lette le caratteristiche di ogni modulo attivato nella home page.
 193         $main_links = get_main_navigation($current_page);           //vengono lette le caratteristiche di ogni modulo attivo nel main navigation
 194
 195         $num = count($main_links);                                  //necessario elminare il primo e l'utlimo elemento poichè sono rispettivamente "Home" e "Manage"
 196         unset($main_links[0]);                                      //"Home" label
 197         unset($main_links[$num-1]);                                 //"Manage" label
 198
 199         $all_tools = $home_links;                                   //$all_tools represent a merge between $home_links and main_links without repetitions.
 200         $check=false;
 201         foreach($main_links as $main) {
 202             foreach($home_links as $home) {
 203                 if($home['title'] == $main['title']) {
 204                     $check=true;
 205                     break;
 206                 }
 207             }
 208             if(!$check && $main['tool_file'] != '' && $main['table'] != '') {
 209                 $_content_tools[] = array("class"=>"fl-col clickable tool",
 210                                                           "src"=>$main['img'],
 211                                                           "alt"=>$main['alt'],
 212                                                           "title"=>$main['title'],
 213                                                           "text"=>$main['title'],
 214                                           "position"=>++$current_tool_pos);
 215
 216                         if(isset($main['tool_file'])) {
 217                                 echo '<!-- TODO LAW note problem here with one tool_file variable for multiple tools -->'."\n";
 218                                     echo '  <script type="text/javascript" language="javascript">'."\n";
 219                                     echo '  //<!--'."\n";
 220                                     echo '  ATutor.mods.editor.tool_file = "'. $main['tool_file'].'";'."\n";
 221                                     echo '  //-->'."\n";
 222                                     echo '  </script>'."\n";
 223                         }
 224
 225             }
 226             else {
 227                 $check=false;
 228             }
 229         }
 230     }
 231 }
 232
 233 // The customized function to sort multi-dimentional array $_content_tools
 234 function compare($x, $y) {
 235         if (!isset($x["position"])) return 1;
 236         if (!isset($y["position"])) return -1;
 237         if ( $x["position"] == $y["position"] )
 238                 return 0;
 239         else if ( $x["position"] < $y["position"] )
 240                 return -1;
 241         else
 242                 return 1;
 243 }
 244
 245 // Sort $_content_tools. Always append the element with empty "position" to the end of the result array.
 246 usort($_content_tools, 'compare');
 247
 248 $cid = intval($_REQUEST['cid']);
 249 $pid = intval($_REQUEST['pid']);
 250 ?>
 251 <form action="<?php echo $_SERVER['PHP_SELF']; ?>?cid=<?php echo $cid; ?>" method="post" name="form" enctype="multipart/form-data">
 252 <?php
 253
 254         if ($cid) {
 255                 //$content_row = sql_quote($content_row);
 256                 if (isset($_POST['current_tab'])) {
 257                         //$changes_made = check_for_changes($content_row);
 258                 } else {
 259                         $changes_made = array();
 260
 261                         $_POST['formatting'] = $content_row['formatting'];
 262                         $_POST['head'] = $content_row['head'];
 263                         $_POST['use_customized_head'] = $content_row['use_customized_head'];
 264                         $_POST['title']      = $content_row['title'];
 265                         $_POST['body_text']  = $content_row['text'];
 266                         $_POST['weblink_text'] = $content_row['text'];
 267                         $_POST['keywords']   = $content_row['keywords'];
 268                         $_POST['test_message'] = $content_row['test_message'];
 269                         $_POST['allow_test_export'] = $content_row['allow_test_export'];
 270
 271                         $_POST['day']   = substr($content_row['release_date'], 8, 2);
 272                         $_POST['month'] = substr($content_row['release_date'], 5, 2);
 273                         $_POST['year']  = substr($content_row['release_date'], 0, 4);
 274                         $_POST['hour']  = substr($content_row['release_date'], 11, 2);
 275                         $_POST['min']= substr($content_row['release_date'], 14, 2);
 276
 277                         $_POST['ordering'] = $content_row['ordering'];
 278                         $_POST['related'] = $contentManager->getRelatedContent($cid);
 279
 280                         $_POST['pid'] = $pid = $content_row['content_parent_id'];
 281
 282                         $_POST['related_term'] = $glossary_ids_related;
 283                 }
 284
 285         } else {
 286                 $cid = 0;
 287                 if (!isset($_POST['current_tab'])) {
 288                         $_POST['day']  = date('d');
 289                         $_POST['month']  = date('m');
 290                         $_POST['year'] = date('Y');
 291                         $_POST['hour'] = date('H');
 292                         $_POST['min']  = 0;
 293
 294                         if (isset($_GET['pid'])) {
 295                                 $pid = $_POST['pid'] = intval($_GET['pid']);
 296                                 $_POST['ordering'] = count($contentManager->getContent($pid))+1;
 297                         } else {
 298                                 $_POST['pid'] = 0;
 299                                 $_POST['ordering'] = count($contentManager->getContent(0))+1;
 300                         }
 301                 }
 302         }
 303
 304         echo '<input type="hidden" name="cid" value="'.$cid.'" />';
 305         echo '<input type="hidden" name="title" value="'.htmlspecialchars($stripslashes($_POST['title'])).'" />';
 306         if ($_REQUEST['sub'] == 1)
 307         {
 308                 echo '<input type="hidden" name="sub" value="1" />';
 309                 echo '<input type="hidden" name="folder_title" value="'.htmlspecialchars($stripslashes($_POST['folder_title'])).'" />';
 310         }
 311         echo '<input type="submit" name="submit" style="display:none;"/>';
 312         if (($current_tab != 0) && (($_current_tab != 3))) {
 313         echo '<input type="hidden" name="body_text" value="'.htmlspecialchars($stripslashes($_POST['body_text'])).'" />';
 314         echo '<input type="hidden" name="weblink_text" value="'.htmlspecialchars($stripslashes($_POST['weblink_text'])).'" />';
 315         echo '<input type="hidden" name="head" value="'.htmlspecialchars($stripslashes($_POST['head'])).'" />';
 316                 echo '<input type="hidden" name="use_customized_head" value="'.(($_POST['use_customized_head']=="") ? 0 : $_POST['use_customized_head']).'" />';
 317         echo '<input type="hidden" name="displayhead" id="displayhead" value="'.$_POST['displayhead'].'" />';
 318         echo '<input type="hidden" name="complexeditor" id="complexeditor" value="'.$_POST['complexeditor'].'" />';
 319         echo '<input type="hidden" name="formatting" value="'.$_POST['formatting'].'" />';
 320         }
 321
 322         echo '<input type="hidden" name="ordering" value="'.$_POST['ordering'].'" />';
 323         echo '<input type="hidden" name="pid" value="'.$pid.'" />';
 324
 325         echo '<input type="hidden" name="day" value="'.$_POST['day'].'" />';
 326         echo '<input type="hidden" name="month" value="'.$_POST['month'].'" />';
 327         echo '<input type="hidden" name="year" value="'.$_POST['year'].'" />';
 328         echo '<input type="hidden" name="hour" value="'.$_POST['hour'].'" />';
 329         echo '<input type="hidden" name="minute" value="'.$_POST['minute'].'" />';
 330         echo '<input type="hidden" name="min" value="'.$_POST['min'].'" />';
 331
 332         echo '<input type="hidden" name="alternatives" value="'.$_POST['alternatives'].'" />';
 333
 334         echo '<input type="hidden" name="current_tab" value="'.$current_tab.'" />';
 335
 336         if (is_array($_POST['related']) && ($current_tab != 1)) {
 337                 foreach($_POST['related'] as $r_id) {
 338                         echo '<input type="hidden" name="related[]" value="'.$r_id.'" />';
 339                 }
 340         }
 341         echo '<input type="hidden" name="keywords" value="'.htmlspecialchars(stripslashes($_POST['keywords'])).'" />';
 342
 343         //content test association
 344         echo '<input type="hidden" name="test_message" value="'.$_POST['test_message'].'" />';
 345
 346         /* get glossary terms */
 347         $matches = find_terms(stripslashes($_POST['body_text']));
 348         $num_terms = count($matches[0]);
 349         $matches = $matches[0];
 350         $word = str_replace(array('[?]', '[/?]'), '', $matches);
 351
 352         if (is_array($word)) {
 353                 /* update $_POST['glossary_defs'] with any new/changed terms */
 354                 for($i=0; $i<$num_terms; $i++) {
 355 //                      $word[$i] = htmlentities_utf8($word[$i]);
 356                         if (!isset($_POST['glossary_defs'][$word[$i]])) {
 357                                 $_POST['glossary_defs'][$word[$i]] = $glossary[$word[$i]];
 358                         }
 359                 }
 360         }
 361
 362         if (is_array($_POST['glossary_defs']) && ($current_tab != 2)) {
 363                 foreach($_POST['glossary_defs'] as $w => $d) {
 364
 365                         /* this term still exists in the content */
 366                         if (!in_array($w, $word)) {
 367                                 unset($_POST['glossary_defs'][$w]);
 368                                 continue;
 369                         }
 370                         echo '<input type="hidden" name="glossary_defs['.AT_print($w, 'glossary.word').']" value="'.AT_print($d, 'glossary.definition').'" />';
 371                 }
 372                 if (isset($_POST['related_term'])) {
 373                         foreach($_POST['related_term'] as $w => $d) {
 374                                 echo '<input type="hidden" name="related_term['.AT_print($w, 'glossary.word').']" value="'.AT_print($d, 'glossary.definition').'" />';
 375                         }
 376                 }
 377         }
 378
 379         // adapted content
 380         $sql = "SELECT pr.primary_resource_id, prt.type_id
 381                   FROM ".TABLE_PREFIX."primary_resources pr, ".
 382                          TABLE_PREFIX."primary_resources_types prt
 383                  WHERE pr.content_id = ".$cid."
 384                    AND pr.language_code = '".$_SESSION['lang']."'
 385                    AND pr.primary_resource_id = prt.primary_resource_id";
 386         $all_types_result = mysql_query($sql, $db);
 387
 388         $i = 0;
 389         while ($type = mysql_fetch_assoc($all_types_result)) {
 390                 $row_alternatives['alt_'.$type['primary_resource_id'].'_'.$type['type_id']] = 1;
 391         }
 392
 393         if ($current_tab != 3 && isset($_POST['use_post_for_alt']))
 394         {
 395                 echo '<input type="hidden" name="use_post_for_alt" value="1" />';
 396                 if (is_array($_POST)) {
 397                         foreach ($_POST as $alt_id => $alt_value) {
 398                                 if (substr($alt_id, 0 ,4) == 'alt_'){
 399                                         echo '<input type="hidden" name="'.$alt_id.'" value="'.$alt_value.'" />';
 400                                 }
 401                         }
 402                 }
 403         }
 404
 405         //tests
 406         if ($current_tab != 4){
 407                 // set content associated tests
 408                 if (is_array($_POST['tid'])) {
 409                         foreach ($_POST['tid'] as $i=>$tid){
 410                                 echo '<input type="hidden" name="tid['.$i.']" value="'.$tid.'" />';
 411                         }
 412                 }
 413                 else
 414                 {
 415                         $i = 0;
 416                         if ($content_test){
 417                                 while ($content_test_row = mysql_fetch_assoc($content_test)){
 418                                         echo '<input type="hidden" name="tid['.$i++.']" value="'.$content_test_row['test_id'].'" />';
 419                                 }
 420                         }
 421                 }
 422
 423                 // set pre-tests
 424                 if (is_array($_POST['pre_tid'])) {
 425                         foreach ($_POST['pre_tid'] as $i=>$pre_tid){
 426                                 echo '<input type="hidden" name="pre_tid['.$i.']" value="'.$pre_tid.'" />';
 427                         }
 428                 }
 429                 else
 430                 {
 431                         $i = 0;
 432                         $sql = 'SELECT * FROM '.TABLE_PREFIX."content_prerequisites WHERE content_id=$cid AND type='".CONTENT_PRE_TEST."'";
 433                         $pretests_result = mysql_query($sql, $db);
 434                         while ($pretest_row = mysql_fetch_assoc($pretests_result)) {
 435                                         echo '<input type="hidden" name="pre_tid['.$i++.']" value="'.$pretest_row['item_id'].'" />';
 436                         }
 437                 }
 438         }
 439         if (!isset($_POST['allow_test_export']) && $current_tab != 4) {
 440                 //export flag handling.
 441                 $sql = "SELECT `allow_test_export` FROM ".TABLE_PREFIX."content WHERE content_id=$_REQUEST[cid]";
 442                 $result2 = mysql_query($sql, $db);
 443                 if ($result2){
 444                         $c_row = mysql_fetch_assoc($result2);
 445                 }
 446                 if (intval($c_row['allow_test_export'])==1){
 447                         echo '<input type="hidden" name="allow_test_export" value="1" />';
 448                 } else {
 449                         echo '<input type="hidden" name="allow_test_export" value="0" />';
 450                 }
 451         } else {
 452                 echo '<input type="hidden" name="allow_test_export" value="'.intval($_POST['allow_test_export']).'" />';
 453         }
 454
 455         if ($do_check) {
 456                 $changes_made = check_for_changes($content_row, $row_alternatives);
 457         }
 458 ?>
 459
 460 <div class="editor_wrapper">
 461
 462 <div>
 463         <?php output_tabs($current_tab, $changes_made); ?>
 464 </div>
 465
 466 <span style="clear:both;"/></span>
 467 <div class="input-form">
 468
 469         <?php if ($changes_made): ?>
 470                 <div class="unsaved">
 471                         <span style="color:red;"><?php echo _AT('save_changes_unsaved'); ?></span>
 472                         <input type="submit" name="submit" value="<?php echo _AT('save'); ?>" title="<?php echo _AT('save_changes'); ?> alt-s" accesskey="s" style="border: 1px solid red;" />
 473                         <input type="submit" name="close" class="button green" value="<?php echo _AT('close'); ?>" />  <input type="checkbox" id="close" name="save_n_close" value="1" <?php if ($_SESSION['save_n_close']) { echo 'checked="checked"'; } ?> />
 474                         <label for="close"><?php echo _AT('close_after_saving'); ?></label>
 475                 </div>
 476
 477         <?php else: ?>
 478                 <div class="saved">
 479                         <?php //if ($cid) { echo _AT('save_changes_saved'); } ?> <input type="submit" name="submit" value="<?php echo _AT('save'); ?>" title="<?php echo _AT('save_changes'); ?> alt-s" accesskey="s" class="button"/> <input type="submit" name="close" value="<?php echo _AT('close'); ?>"  class="button"/> <input type="checkbox" style="border:0px;" id="close" name="save_n_close" value="1" <?php if ($_SESSION['save_n_close']) { echo 'checked="checked"'; } ?>/><label for="close"><?php echo _AT('close_after_saving'); ?></label>
 480                 </div>
 481         <?php endif; ?>
 482         <?php include('editor_tabs/'.$tabs[$current_tab][1]); ?>
 483 </div></div>
 484 </form>
 485
 486 <?php require(AT_INCLUDE_PATH.'footer.inc.php'); ?>