lp_view.php 20 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * This file was originally the copy of document.php, but many modifications happened since then ;
  5. * the direct file view is not needed anymore, if the user uploads a scorm zip file, a directory
  6. * will be automatically created for it, and the files will be uncompressed there for example ;
  7. *
  8. * @package chamilo.learnpath
  9. * @author Yannick Warnier <ywarnier@beeznest.org> - redesign
  10. * @author Denes Nagy, principal author
  11. * @author Isthvan Mandak, several new features
  12. * @author Roan Embrechts, code improvements and refactoring
  13. */
  14. /**
  15. * Code
  16. */
  17. use \ChamiloSession as Session;
  18. $_SESSION['whereami'] = 'lp/view';
  19. $this_section = SECTION_COURSES;
  20. if ($lp_controller_touched != 1) {
  21. header('location: lp_controller.php?action=view&item_id='.intval($_REQUEST['item_id']));
  22. exit;
  23. }
  24. /* Libraries */
  25. require_once 'back_compat.inc.php';
  26. require_once 'learnpath.class.php';
  27. require_once 'learnpathItem.class.php';
  28. //To prevent the template class
  29. $show_learnpath = true;
  30. api_protect_course_script();
  31. $lp_id = intval($_GET['lp_id']);
  32. // Check if the learning path is visible for student - (LP requisites)
  33. if (!api_is_allowed_to_edit(null, true) && !learnpath::is_lp_visible_for_student($lp_id, api_get_user_id())) {
  34. api_not_allowed();
  35. }
  36. //Checking visibility (eye icon)
  37. $visibility = api_get_item_visibility(api_get_course_info(), TOOL_LEARNPATH, $lp_id, $action, api_get_user_id(), api_get_session_id());
  38. if (!api_is_allowed_to_edit(null, true) && intval($visibility) == 0 ) {
  39. api_not_allowed();
  40. }
  41. if (empty($_SESSION['oLP'])) {
  42. api_not_allowed();
  43. }
  44. $debug = 0;
  45. if ($debug) { error_log('------ Entering lp_view.php -------'); }
  46. $_SESSION['oLP']->error = '';
  47. $lp_item_id = $_SESSION['oLP']->get_current_item_id();
  48. $lp_type = $_SESSION['oLP']->get_type();
  49. $course_code = api_get_course_id();
  50. $course_id = api_get_course_int_id();
  51. $user_id = api_get_user_id();
  52. $platform_theme = api_get_setting('stylesheets'); // Plataform's css.
  53. $my_style = $platform_theme;
  54. $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.lp_minipanel.js" type="text/javascript" language="javascript"></script>';
  55. if (api_get_setting('show_glossary_in_documents') == 'ismanual' || api_get_setting('show_glossary_in_documents') == 'isautomatic' ) {
  56. $htmlHeadXtra[] = '<script type="text/javascript">
  57. <!--
  58. var jQueryFrameReadyConfigPath = \''.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.min.js\';
  59. -->
  60. </script>';
  61. $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.frameready.js" type="text/javascript" language="javascript"></script>';
  62. $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.highlight.js" type="text/javascript" language="javascript"></script>';
  63. }
  64. $htmlHeadXtra[] = '<script type="text/javascript">
  65. $(document).ready(function (){
  66. $("div#log_content_cleaner").bind("click", function() {
  67. $("div#log_content").empty();
  68. });
  69. });
  70. var chamilo_xajax_handler = window.oxajax;
  71. </script>';
  72. // Prepare variables for the test tool (just in case) - honestly, this should disappear later on.
  73. $_SESSION['scorm_view_id'] = $_SESSION['oLP']->get_view_id();
  74. $_SESSION['scorm_item_id'] = $lp_item_id;
  75. $_SESSION['lp_mode'] = $_SESSION['oLP']->mode;
  76. // Reinit exercises variables to avoid spacename clashes (see exercise tool)
  77. if (isset($exerciseResult) || isset($_SESSION['exerciseResult'])) {
  78. Session::erase($exerciseResult);
  79. }
  80. unset($_SESSION['objExercise']);
  81. unset($_SESSION['questionList']);
  82. // additional APIs
  83. $htmlHeadXtra[] = '<script type="text/javascript" language="javascript">
  84. chamilo_courseCode = "'.$course_code.'";
  85. </script>';
  86. // Document API
  87. $htmlHeadXtra[] = '<script src="js/documentapi.js" type="text/javascript" language="javascript"></script>';
  88. // Storage API
  89. $htmlHeadXtra[] = '<script type="text/javascript">
  90. var sv_user = \''.api_get_user_id().'\';
  91. var sv_course = chamilo_courseCode;
  92. var sv_sco = \''.$_REQUEST['lp_id'].'\';
  93. </script>'; // FIXME fetch sco and userid from a more reliable source directly in sotrageapi.js
  94. $htmlHeadXtra[] = '<script type="text/javascript" src="js/storageapi.js"></script>';
  95. /**
  96. * Get a link to the corresponding document.
  97. */
  98. if ($debug) {
  99. error_log(" src: $src ");
  100. error_log(" lp_type: $lp_type ");
  101. }
  102. $get_toc_list = $_SESSION['oLP']->get_toc();
  103. $type_quiz = false;
  104. foreach ($get_toc_list as $toc) {
  105. if ($toc['id'] == $lp_item_id && ($toc['type']=='quiz')) {
  106. $type_quiz = true;
  107. }
  108. }
  109. if (!isset($src)) {
  110. $src = '';
  111. switch ($lp_type) {
  112. case 1:
  113. $_SESSION['oLP']->stop_previous_item();
  114. $htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
  115. $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
  116. if ($prereq_check === true) {
  117. $src = $_SESSION['oLP']->get_link('http', $lp_item_id, $get_toc_list);
  118. //Prevents FF 3.6 + Adobe Reader 9 bug see BT#794 when calling a pdf file in a LP.
  119. $file_info = parse_url($src);
  120. $file_info = pathinfo($file_info['path']);
  121. if (api_strtolower(substr($file_info['extension'], 0, 3) == 'pdf')) {
  122. //$src = api_get_path(WEB_CODE_PATH).'newscorm/lp_view_item.php?src='.$src;
  123. $src = api_get_path(WEB_CODE_PATH).'newscorm/lp_view_item.php?lp_item_id='.$lp_item_id;
  124. }
  125. $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
  126. } else {
  127. $src = 'blank.php?error=prerequisites';
  128. }
  129. break;
  130. case 2:
  131. // save old if asset
  132. $_SESSION['oLP']->stop_previous_item(); // save status manually if asset
  133. $htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
  134. $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
  135. if ($prereq_check === true) {
  136. $src = $_SESSION['oLP']->get_link('http',$lp_item_id, $get_toc_list);
  137. $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
  138. } else {
  139. $src = 'blank.php?error=prerequisites';
  140. }
  141. break;
  142. case 3:
  143. // aicc
  144. $_SESSION['oLP']->stop_previous_item(); // save status manually if asset
  145. $htmlHeadXtra[] = '<script src="'.$_SESSION['oLP']->get_js_lib().'" type="text/javascript" language="javascript"></script>';
  146. $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
  147. if ($prereq_check === true) {
  148. $src = $_SESSION['oLP']->get_link('http',$lp_item_id, $get_toc_list);
  149. $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
  150. } else {
  151. $src = 'blank.php';
  152. }
  153. break;
  154. case 4:
  155. break;
  156. }
  157. }
  158. $autostart = 'true';
  159. // Update status, total_time from lp_item_view table when you finish the exercises in learning path.
  160. if ($debug) {
  161. error_log('$type_quiz: '.$type_quiz);
  162. error_log('$_REQUEST[exeId]: '.intval($_REQUEST['exeId']));
  163. error_log('$lp_id: '.$lp_id);
  164. error_log('$_GET[lp_item_id]: '.intval($_GET['lp_item_id']));
  165. }
  166. if ($type_quiz && !empty($_REQUEST['exeId']) && isset($lp_id) && isset($_GET['lp_item_id'])) {
  167. global $src;
  168. $_SESSION['oLP']->items[$_SESSION['oLP']->current]->write_to_db();
  169. $TBL_TRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
  170. $TBL_LP_ITEM_VIEW = Database::get_course_table(TABLE_LP_ITEM_VIEW);
  171. $TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
  172. $safe_item_id = intval($_GET['lp_item_id']);
  173. $safe_id = $lp_id;
  174. $safe_exe_id = intval($_REQUEST['exeId']);
  175. if ($safe_id == strval(intval($safe_id)) && $safe_item_id == strval(intval($safe_item_id))) {
  176. $sql = 'SELECT start_date, exe_date, exe_result, exe_weighting FROM ' . $TBL_TRACK_EXERCICES . ' WHERE exe_id = '.$safe_exe_id;
  177. if ($debug) error_log($sql);
  178. $res = Database::query($sql);
  179. $row_dates = Database::fetch_array($res);
  180. $time_start_date = api_strtotime($row_dates['start_date'],'UTC');
  181. $time_exe_date = api_strtotime($row_dates['exe_date'],'UTC');
  182. $mytime = ((int)$time_exe_date-(int)$time_start_date);
  183. $score = (float)$row_dates['exe_result'];
  184. $max_score = (float)$row_dates['exe_weighting'];
  185. $sql_upd_max_score = "UPDATE $TBL_LP_ITEM SET max_score = '$max_score' WHERE c_id = $course_id AND id = '".$safe_item_id."'";
  186. if ($debug) error_log($sql_upd_max_score);
  187. Database::query($sql_upd_max_score);
  188. $sql_last_attempt = "SELECT id FROM $TBL_LP_ITEM_VIEW WHERE c_id = $course_id AND lp_item_id = '$safe_item_id' AND lp_view_id = '".$_SESSION['oLP']->lp_view_id."' order by id desc limit 1";
  189. $res_last_attempt = Database::query($sql_last_attempt);
  190. if ($debug) error_log($sql_last_attempt);
  191. if (Database::num_rows($res_last_attempt)) {
  192. $row_last_attempt = Database::fetch_row($res_last_attempt);
  193. $lp_item_view_id = $row_last_attempt[0];
  194. $sql_upd_score = "UPDATE $TBL_LP_ITEM_VIEW SET status = 'completed' , score = $score, total_time = $mytime
  195. WHERE id='".$lp_item_view_id."' AND c_id = $course_id ";
  196. if ($debug) error_log($sql_upd_score);
  197. Database::query($sql_upd_score);
  198. $update_query = "UPDATE $TBL_TRACK_EXERCICES SET orig_lp_item_view_id = $lp_item_view_id WHERE exe_id = ".$safe_exe_id;
  199. Database::query($update_query);
  200. }
  201. }
  202. if (intval($_GET['fb_type']) > 0) {
  203. $src = 'blank.php?msg=exerciseFinished';
  204. } else {
  205. $src = api_get_path(WEB_CODE_PATH).'exercice/result.php?id='.$safe_exe_id;
  206. if ($debug) error_log('Calling URL: '.$src);
  207. }
  208. $autostart = 'false';
  209. }
  210. $_SESSION['oLP']->set_previous_item($lp_item_id);
  211. $nameTools = Security :: remove_XSS($_SESSION['oLP']->get_name());
  212. $save_setting = api_get_setting('show_navigation_menu');
  213. global $_setting;
  214. $_setting['show_navigation_menu'] = 'false';
  215. $scorm_css_header = true;
  216. $lp_theme_css = $_SESSION['oLP']->get_theme(); // Sets the css theme of the LP this call is also use at the frames (toc, nav, message).
  217. if ($_SESSION['oLP']->mode == 'fullscreen') {
  218. $htmlHeadXtra[] = "<script>window.open('$src','content_id','toolbar=0,location=0,status=0,scrollbars=1,resizable=1');</script>";
  219. }
  220. // Not in fullscreen mode.
  221. Display::display_reduced_header($nameTools);
  222. //$displayAudioRecorder = (api_get_setting('service_visio', 'active') == 'true') ? true : false;
  223. // Check if audio recorder needs to be in studentview.
  224. //$course_id = $_SESSION['_course']['id'];
  225. if ($_SESSION['status'][$course_code] == 5) {
  226. $audio_recorder_studentview = true;
  227. } else {
  228. $audio_recorder_studentview = false;
  229. }
  230. // Set flag to ensure lp_header.php is loaded by this script (flag is unset in lp_header.php).
  231. $_SESSION['loaded_lp_view'] = true;
  232. $display_none = '';
  233. $margin_left = '305px';
  234. if ($_SESSION['oLP']->mode == 'embedframe' ||$_SESSION['oLP']->get_hide_toc_frame()==1 ) {
  235. $display_none = ';display:none;';
  236. $margin_left = '12px';
  237. }
  238. //Media player code
  239. $display_mode = $_SESSION['oLP']->mode;
  240. $scorm_css_header = true;
  241. $lp_theme_css = $_SESSION['oLP']->get_theme();
  242. // Setting up the CSS theme if exists.
  243. if (!empty ($lp_theme_css) && !empty ($mycourselptheme) && $mycourselptheme != -1 && $mycourselptheme == 1) {
  244. global $lp_theme_css;
  245. } else {
  246. $lp_theme_css = $my_style;
  247. }
  248. $progress_bar = $_SESSION['oLP']->get_progress_bar('', -1, '', true);
  249. $navigation_bar = $_SESSION['oLP']->get_navigation_bar();
  250. $mediaplayer = $_SESSION['oLP']->get_mediaplayer($autostart);
  251. $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
  252. $show_audioplayer = false;
  253. // Getting all the information about the item.
  254. $sql = "SELECT audio FROM " . $tbl_lp_item . " WHERE c_id = $course_id AND lp_id = '" . $_SESSION['oLP']->lp_id."'";
  255. $res_media= Database::query($sql);
  256. if (Database::num_rows($res_media) > 0) {
  257. while ($row_media= Database::fetch_array($res_media)) {
  258. if (!empty($row_media['audio'])) {$show_audioplayer = true; break;}
  259. }
  260. }
  261. ?>
  262. <div id="learning_path_main" style="width:100%;height:100%;">
  263. <div id="learning_path_left_zone" style="<?php echo $display_none;?>">
  264. <!-- header -->
  265. <div id="header">
  266. <table>
  267. <tr>
  268. <td>
  269. <a href="lp_controller.php?action=return_to_course_homepage&<?php echo api_get_cidreq(); ?>" target="_self" onclick="javascript: window.parent.API.save_asset();">
  270. <img src="../img/lp_arrow.gif" />
  271. </a>
  272. </td>
  273. <td>
  274. <a class="link" href="lp_controller.php?action=return_to_course_homepage&<?php echo api_get_cidreq(); ?>" target="_self" onclick="javascript: window.parent.API.save_asset();">
  275. <?php echo get_lang('CourseHomepageLink'); ?></a>
  276. </td>
  277. </tr>
  278. </table>
  279. </div>
  280. <!-- end header -->
  281. <!-- Author image preview -->
  282. <div id="author_image">
  283. <div id="author_icon">
  284. <?php
  285. if ($_SESSION['oLP']->get_preview_image()!='') {
  286. $picture = getimagesize(api_get_path(SYS_COURSE_PATH).api_get_course_path().'/upload/learning_path/images/'.$_SESSION['oLP']->get_preview_image());
  287. if($picture['1'] < 96) { $style = ' style="padding-top:'.((94 -$picture['1'])/2).'px;" '; }
  288. $size = ($picture['0'] > 104 && $picture['1'] > 96 )? ' width="104" height="96" ': $style;
  289. $my_path = api_get_path(WEB_COURSE_PATH).api_get_course_path().'/upload/learning_path/images/'.$_SESSION['oLP']->get_preview_image();
  290. echo '<img src="'.$my_path.'">';
  291. } else {
  292. echo Display :: display_icon('unknown_250_100.jpg');
  293. }
  294. ?>
  295. </div>
  296. <div id="lp_navigation_elem">
  297. <?php echo $navigation_bar; ?>
  298. <div id="progress_bar">
  299. <?php echo $progress_bar; ?>
  300. </div>
  301. </div>
  302. </div>
  303. <!-- end image preview Layout -->
  304. <div id="author_name">
  305. <?php echo $_SESSION['oLP']->get_author(); ?>
  306. </div>
  307. <!-- media player layout -->
  308. <?php
  309. if ($show_audioplayer) {
  310. echo '<div id="lp_media_file">';
  311. echo $mediaplayer;
  312. echo '</div>';
  313. }
  314. ?>
  315. <!-- end media player layout -->
  316. <!-- TOC layout -->
  317. <div id="toc_id" name="toc_name" style="overflow: auto; padding:0;margin-top:0px;width:100%;float:left">
  318. <div id="learning_path_toc">
  319. <?php echo $_SESSION['oLP']->get_html_toc($get_toc_list); ?>
  320. <?php if (!empty($_SESSION['oLP']->scorm_debug)) { //only show log ?>
  321. <!-- log message layout -->
  322. <div id="lp_log_name" name="lp_log_name" class="lp_log" style="height:150px;overflow:auto;margin:4px">
  323. <div id="log_content"></div>
  324. <div id="log_content_cleaner" style="cursor: pointer; color:blue;"><?php echo get_lang('Clean'); ?></div>
  325. </div>
  326. <!-- end log message layout -->
  327. <?php } ?>
  328. </div>
  329. </div>
  330. <!-- end TOC layout -->
  331. </div>
  332. <!-- end left Zone -->
  333. <!-- right Zone -->
  334. <div id="learning_path_right_zone" style="margin-left:<?php echo $margin_left;?>;height:100%">
  335. <?php
  336. // hub 26-05-2010 Fullscreen or not fullscreen
  337. $height = '100%';
  338. if ($_SESSION['oLP']->mode == 'fullscreen') {
  339. echo '<iframe id="content_id_blank" name="content_name_blank" src="blank.php" border="0" frameborder="0" style="width:100%;height:'.$height.'" ></iframe>';
  340. } else {
  341. echo '<iframe id="content_id" name="content_name" src="'.$src.'" border="0" frameborder="0" style="display: block; width:100%;height:'.$height.'"></iframe>';
  342. }
  343. ?>
  344. </div>
  345. <!-- end right Zone -->
  346. </div>
  347. <script>
  348. // Resize right and left pane to full height (HUB 20-05-2010).
  349. function updateContentHeight() {
  350. document.body.style.overflow = 'hidden';
  351. var IE = window.navigator.appName.match(/microsoft/i);
  352. var hauteurHeader = document.getElementById('header').offsetHeight;
  353. var hauteurAuthorImg = document.getElementById('author_image').offsetHeight;
  354. var hauteurAuthorName = document.getElementById('author_name').offsetHeight;
  355. var hauteurMedia = 0;
  356. if ($("#lp_media_file").length != 0) {
  357. hauteurMedia = document.getElementById('lp_media_file').offsetHeight;
  358. }
  359. var hauteurTitre = document.getElementById('scorm_title').offsetHeight;
  360. var hauteurAction = 0;
  361. if (document.getElementById('actions_lp')) hauteurAction = document.getElementById('actions_lp').offsetHeight;
  362. var hauteurHaut = hauteurHeader+hauteurAuthorImg+hauteurAuthorName+hauteurMedia+hauteurTitre+hauteurAction;
  363. var innerHauteur = (IE) ? document.body.clientHeight : window.innerHeight ;
  364. var debugsize = 0;
  365. // -40 is a static adjustement for margin, spaces on the page
  366. <?php if (!empty($_SESSION['oLP']->scorm_debug)) echo 'debugsize = 150;' ?>
  367. document.getElementById('inner_lp_toc').style.height = innerHauteur - hauteurHaut - 40 - debugsize + "px";
  368. if (document.getElementById('content_id')) {
  369. document.getElementById('content_id').style.height = innerHauteur + 'px';
  370. }
  371. // Loads the glossary library.
  372. <?php
  373. if (api_get_setting('show_glossary_in_extra_tools') == 'true') {
  374. if (api_get_setting('show_glossary_in_documents') == 'ismanual') {
  375. ?>
  376. $.frameReady(function(){
  377. // $("<div>I am a div courses</div>").prependTo("body");
  378. }, "top.content_name",
  379. { load: [
  380. {type:"script", id:"_fr1", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.min.js"},
  381. {type:"script", id:"_fr4", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.min.js"},
  382. {type:"stylesheet", id:"_fr5", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.css"},
  383. {type:"script", id:"_fr2", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.highlight.js"}
  384. ] }
  385. );
  386. <?php
  387. } elseif (api_get_setting('show_glossary_in_documents') == 'isautomatic') {
  388. ?>
  389. $.frameReady(function(){
  390. // $("<div>I am a div courses</div>").prependTo("body");
  391. }, "top.content_name",
  392. { load: [
  393. {type:"script", id:"_fr1", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.min.js"},
  394. {type:"script", id:"_fr4", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.min.js"},
  395. {type:"stylesheet", id:"_fr5", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.css"},
  396. {type:"script", id:"_fr2", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.highlight.js"}
  397. ] }
  398. );
  399. <?php
  400. }
  401. }
  402. ?>
  403. }
  404. window.onload = updateContentHeight;
  405. window.onresize = updateContentHeight;
  406. -->
  407. </script>
  408. <?php
  409. // Restore a global setting.
  410. $_setting['show_navigation_menu'] = $save_setting;
  411. if ($debug) {
  412. error_log(' ------- end lp_view.php ------');
  413. }