home/course/content.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 define('TR_INCLUDE_PATH', '../../include/');
  14 require_once(TR_INCLUDE_PATH.'vitals.inc.php');
  15 require_once(TR_INCLUDE_PATH.'../home/classes/ContentUtility.class.php');
  16 require_once(TR_INCLUDE_PATH.'classes/DAO/ContentForumsAssocDAO.class.php');
  17
  18 global $_current_user, $_course_id, $_content_id, $contentManager;
  19
  20 $cid = $_content_id;
  21
  22 if ($cid == 0) {
  23         header('Location: '.$_base_href.'index.php');
  24         exit;
  25 }
  26 if (defined('TR_FORCE_GET_FILE') && TR_FORCE_GET_FILE) {
  27         $_SESSION['course_id'] = $_course_id;  // used by get.php
  28 }
  29
  30 /* show the content page */
  31 if (isset($contentManager)) $content_row = $contentManager->getContentPage($cid);
  32
  33 if (!$content_row || !isset($contentManager)) {
  34         $_pages['home/course/content.php']['title_var'] = 'missing_content';
  35         $_pages['home/course/content.php']['parent']    = 'home/index.php';
  36         $_pages['home/course/content.php']['ignore']    = true;
  37
  38
  39         require(TR_INCLUDE_PATH.'header.inc.php');
  40
  41         $msg->addError('MISSING_CONTENT');
  42         $msg->printAll();
  43
  44         require (TR_INCLUDE_PATH.'footer.inc.php');
  45         exit;
  46 } /* else: */
  47
  48 if (defined('TR_FORCE_GET_FILE') && TR_FORCE_GET_FILE) {
  49         $course_base_href = 'get.php/';
  50 } else {
  51         $course_base_href = 'content/' . $_course_id . '/';
  52 }
  53
  54 /* the "heading navigation": */
  55 $path   = $contentManager->getContentPath($cid);
  56
  57 if ($content_row['content_path']) {
  58         $content_base_href = $content_row['content_path'].'/';
  59 }
  60
  61 $parent_headings = '';
  62 $num_in_path = count($path);
  63
  64 /* the page title: */
  65 $page_title = '';
  66 $page_title .= $content_row['title'];
  67
  68 for ($i=0; $i<$num_in_path; $i++) {
  69         $content_info = $path[$i];
  70         if ($_SESSION['prefs']['PREF_NUMBERING']) {
  71                 if ($contentManager->_menu_info[$content_info['content_id']]['content_parent_id'] == 0) {
  72                         $top_num = $contentManager->_menu_info[$content_info['content_id']]['ordering'];
  73                         $parent_headings .= $top_num;
  74                 } else {
  75                         $top_num = $top_num.'.'.$contentManager->_menu_info[$content_info['content_id']]['ordering'];
  76                         $parent_headings .= $top_num;
  77                 }
  78                 if ($_SESSION['prefs']['PREF_NUMBERING']) {
  79                         $path[$i]['content_number'] = $top_num . ' ';
  80                 }
  81                 $parent_headings .= ' ';
  82         }
  83 }
  84
  85 if ($_SESSION['prefs']['PREF_NUMBERING']) {
  86         if ($top_num != '') {
  87                 $top_num = $top_num.'.'.$content_row['ordering'];
  88                 $page_title .= $top_num.' ';
  89         } else {
  90                 $top_num = $content_row['ordering'];
  91                 $page_title .= $top_num.' ';
  92         }
  93 }
  94
  95 $parent = 0;
  96
  97 foreach ($path as $i=>$page) {
  98         // When login is a student, remove content folder from breadcrumb path as content folders are
  99         // just toggles for students. Keep content folder in breadcrumb path for instructors as they
 100         // can edit content folder title.
 101         if ((!isset($_current_user) || !$_current_user->isAuthor($_course_id)) &&
 102             $contentManager->_menu_info[$page['content_id']]['content_type'] == CONTENT_TYPE_FOLDER) {
 103                 unset($path[$i]);
 104                 continue;
 105         }
 106
 107         if ($contentManager->_menu_info[$page['content_id']]['content_type'] == CONTENT_TYPE_FOLDER)
 108                 $content_url = 'home/editor/edit_content_folder.php?_cid='.$page['content_id'];
 109         else
 110                 $content_url = 'home/course/content.php?_cid='.$page['content_id'];
 111
 112         if (!$parent) {
 113                 $_pages[$content_url]['title']    = $page['content_number'] . $page['title'];
 114                 $_pages[$content_url]['parent']   = 'home/index.php';
 115         } else {
 116                 $_pages[$content_url]['title']    = $page['content_number'] . $page['title'];
 117                 if (isset($_pages['home/editor/edit_content_folder.php?_cid='.$parent])) {
 118                         $_pages[$content_url]['parent']   = 'home/editor/edit_content_folder.php?_cid='.$parent;
 119                 } else {
 120                         $_pages[$content_url]['parent']   = 'home/course/content.php?_cid='.$parent;
 121                 }
 122         }
 123
 124         $_pages[$content_url]['ignore'] = true;
 125         $parent = $page['content_id'];
 126 }
 127
 128 $last_page = array_pop($_pages);
 129 $_pages['home/course/content.php'] = $last_page;
 130
 131 reset($path);
 132 $first_page = current($path);
 133
 134 /* the tests associated with the content */
 135 $content_test_ids = array();    //the html
 136 $content_test_rows = $contentManager->getContentTestsAssoc($cid);
 137 if (is_array($content_test_rows))
 138 {
 139         foreach ($content_test_rows as $content_test_row){
 140                 $content_test_ids[] = $content_test_row;
 141         }
 142 }
 143
 144 /* the forums associated with the content */
 145 $contentForumsAssocDAO = new ContentForumsAssocDAO();
 146 $content_forum_ids = $contentForumsAssocDAO->getByContent($cid);
 147 //$content_test_rows = $contentManager->getContentTestsAssoc($cid);
 148 //if (is_array($content_test_rows))
 149 //{
 150 //      foreach ($content_test_rows as $content_test_row){
 151 //              $content_test_ids[] = $content_test_row;
 152 //      }
 153 //}
 154
 155 /*TODO***************BOLOGNA***************REMOVE ME**********/
 156 /* the content forums extension page*/
 157 //$content_forum_ids = array(); //the html
 158 //$content_forum_rows = $contentManager->getContentForumsAssoc($cid);
 159 //if (is_array($content_forum_rows))
 160 //{
 161 //      foreach ($content_forum_rows as $content_forum_row){
 162 //              $content_forum_ids[] = $content_forum_row;
 163 //      }
 164 //}
 165
 166 // use any styles that were part of the imported document
 167 // $_custom_css = $_base_href.'headstuff.php?cid='.$cid.SEP.'path='.urlEncode($_base_href.$course_base_href.$content_base_href);
 168
 169 if ($content_row['use_customized_head'] && strlen($content_row['head']) > 0)
 170 {
 171         $_custom_head .= $content_row['head'];
 172 }
 173
 174 global $_custom_head;
 175 $_custom_head .= '
 176         <script language="javascript" type="text/javascript">
 177         //<!--
 178         jQuery(function() {
 179         jQuery(\'a.tooltip\').tooltip( { showBody: ": ", showURL: false } );
 180         } );
 181         //-->
 182         </script>
 183 ';
 184
 185 if (isset($_SESSION['user_id'])) ContentUtility::saveLastCid($cid);
 186
 187 if (isset($top_num) && $top_num != (int) $top_num) {
 188         $top_num = substr($top_num, 0, strpos($top_num, '.'));
 189 }
 190
 191 $_tool_shortcuts = ContentUtility::getToolShortcuts($content_row);
 192
 193 //if it has test and forum associated with it, still display it even if the content is empty
 194 if ($content_row['text'] == '' && empty($content_test_ids)){
 195         $msg->addInfo('NO_PAGE_CONTENT');
 196         $savant->assign('body', '');
 197 } else {
 198     // find whether the body has alternatives defined
 199         list($has_text_alternative, $has_audio_alternative, $has_visual_alternative, $has_sign_lang_alternative)
 200         = ContentUtility::applyAlternatives($cid, $content_row['text'], true);
 201
 202         // apply alternatives
 203         if (intval($_GET['alternative']) > 0) {
 204                 $content = ContentUtility::applyAlternatives($cid, $content_row['text'], false, intval($_GET['alternative']));
 205         } else {
 206                 $content = ContentUtility::applyAlternatives($cid, $content_row['text']);
 207         }
 208
 209     $content = ContentUtility::formatContent($content, $content_row['formatting']);
 210
 211         $content_array = ContentUtility::getContentTable($content, $content_row['formatting']);
 212
 213         $savant->assign('content_table', $content_array[0]);
 214         $savant->assign('body', $content_array[1]);
 215         $savant->assign('has_text_alternative', $has_text_alternative);
 216         $savant->assign('has_audio_alternative', $has_audio_alternative);
 217         $savant->assign('has_visual_alternative', $has_visual_alternative);
 218         $savant->assign('has_sign_lang_alternative', $has_sign_lang_alternative);
 219         $savant->assign('cid', $cid);
 220
 221         //assign test pages if there are tests associated with this content page
 222         if (!empty($content_test_ids)){
 223                 $savant->assign('test_message', $content_row['test_message']);
 224                 $savant->assign('test_ids', $content_test_ids);
 225         } else {
 226                 $savant->assign('test_message', '');
 227                 $savant->assign('test_ids', array());
 228         }
 229
 230         if (is_array($content_forum_ids)){
 231                 $savant->assign('forum_ids', $content_forum_ids);
 232         }
 233 }
 234
 235 $savant->assign('content_info', _AT('page_info', AT_date(_AT('page_info_date_format'), $content_row['last_modified'], TR_DATE_MYSQL_DATETIME), $content_row['revision'], AT_date(_AT('inbox_date_format'), $content_row['release_date'], TR_DATE_MYSQL_DATETIME)));
 236 $savant->assign('course_id', $_course_id);
 237
 238 require(TR_INCLUDE_PATH.'header.inc.php');
 239
 240 $savant->display('home/course/content.tmpl.php');
 241
 242 //save last visit page.
 243 $_SESSION['last_visited_page'] = $server_protocol . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
 244
 245 require (TR_INCLUDE_PATH.'footer.inc.php');
 246 ?>