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 '../inc/global.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, true, false) && !learnpath::is_lp_visible_for_student($lp_id, api_get_user_id())) {
  34. api_not_allowed(true);
  35. }
  36. //Checking visibility (eye icon)
  37. $visibility = api_get_item_visibility(
  38. api_get_course_info(),
  39. TOOL_LEARNPATH,
  40. $lp_id,
  41. $action,
  42. api_get_user_id(),
  43. api_get_session_id()
  44. );
  45. if (!api_is_allowed_to_edit(false, true, false, false) && intval($visibility) == 0) {
  46. api_not_allowed(true);
  47. }
  48. if (empty($_SESSION['oLP'])) {
  49. api_not_allowed(true);
  50. }
  51. $debug = 0;
  52. if ($debug) {
  53. error_log('------ Entering lp_view.php -------');
  54. }
  55. $_SESSION['oLP']->error = '';
  56. $lp_item_id = $_SESSION['oLP']->get_current_item_id();
  57. $lp_type = $_SESSION['oLP']->get_type();
  58. $course_code = api_get_course_id();
  59. $course_id = api_get_course_int_id();
  60. $user_id = api_get_user_id();
  61. $platform_theme = api_get_setting('stylesheets');
  62. $my_style = $platform_theme;
  63. $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.lp_minipanel.js" type="text/javascript" language="javascript"></script>';
  64. $htmlHeadXtra[] = '<script>
  65. $(document).ready(function(){
  66. $("div#log_content_cleaner").bind("click", function() {
  67. $("div#log_content").empty();
  68. });
  69. });
  70. var chamilo_xajax_handler = window.oxajax;
  71. </script>';
  72. if ($_SESSION['oLP']->mode == 'embedframe' || $_SESSION['oLP']->get_hide_toc_frame() == 1) {
  73. $htmlHeadXtra[] = '<script>
  74. $(document).ready(function(){
  75. toogle_minipanel();
  76. });
  77. </script>';
  78. }
  79. //Impress js
  80. if ($_SESSION['oLP']->mode == 'impress') {
  81. $lp_id = $_SESSION['oLP']->get_id();
  82. $url = api_get_path(WEB_CODE_PATH)."newscorm/lp_impress.php?lp_id=$lp_id&".api_get_cidreq();
  83. header("Location: $url");
  84. exit;
  85. }
  86. // Prepare variables for the test tool (just in case) - honestly, this should disappear later on.
  87. $_SESSION['scorm_view_id'] = $_SESSION['oLP']->get_view_id();
  88. $_SESSION['scorm_item_id'] = $lp_item_id;
  89. // Reinit exercises variables to avoid spacename clashes (see exercise tool)
  90. if (isset($exerciseResult) || isset($_SESSION['exerciseResult'])) {
  91. Session::erase($exerciseResult);
  92. }
  93. unset($_SESSION['objExercise']);
  94. unset($_SESSION['questionList']);
  95. // additional APIs
  96. $htmlHeadXtra[] = '<script>
  97. chamilo_courseCode = "'.$course_code.'";
  98. </script>';
  99. // Document API
  100. $htmlHeadXtra[] = '<script src="js/documentapi.js" type="text/javascript" language="javascript"></script>';
  101. // Storage API
  102. $htmlHeadXtra[] = '<script>
  103. var sv_user = \''.api_get_user_id().'\';
  104. var sv_course = chamilo_courseCode;
  105. var sv_sco = \''.intval($_REQUEST['lp_id']).'\';
  106. </script>'; // FIXME fetch sco and userid from a more reliable source directly in sotrageapi.js
  107. $htmlHeadXtra[] = '<script type="text/javascript" src="js/storageapi.js"></script>';
  108. if ($debug) {
  109. error_log(" src: $src ");
  110. error_log(" lp_type: $lp_type ");
  111. }
  112. $get_toc_list = $_SESSION['oLP']->get_toc();
  113. $type_quiz = false;
  114. foreach ($get_toc_list as $toc) {
  115. if ($toc['id'] == $lp_item_id && ($toc['type'] == 'quiz')) {
  116. $type_quiz = true;
  117. }
  118. }
  119. if (!isset($src)) {
  120. $src = null;
  121. switch ($lp_type) {
  122. case 1:
  123. $_SESSION['oLP']->stop_previous_item();
  124. $htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
  125. $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
  126. if ($prereq_check === true) {
  127. $src = $_SESSION['oLP']->get_link('http', $lp_item_id, $get_toc_list);
  128. //Prevents FF 3.6 + Adobe Reader 9 bug see BT#794 when calling a pdf file in a LP.
  129. $file_info = parse_url($src);
  130. $file_info = pathinfo($file_info['path']);
  131. if (isset($file_info['extension']) && api_strtolower(substr($file_info['extension'], 0, 3) == 'pdf')) {
  132. $src = api_get_path(WEB_CODE_PATH).'newscorm/lp_view_item.php?lp_item_id='.$lp_item_id;
  133. }
  134. $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
  135. } else {
  136. $src = 'blank.php?error=prerequisites';
  137. }
  138. break;
  139. case 2:
  140. // save old if asset
  141. $_SESSION['oLP']->stop_previous_item(); // save status manually if asset
  142. $htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
  143. $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
  144. if ($prereq_check === true) {
  145. $src = $_SESSION['oLP']->get_link('http', $lp_item_id, $get_toc_list);
  146. $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
  147. } else {
  148. $src = 'blank.php?error=prerequisites';
  149. }
  150. break;
  151. case 3:
  152. // aicc
  153. $_SESSION['oLP']->stop_previous_item(); // save status manually if asset
  154. $htmlHeadXtra[] = '<script src="'.$_SESSION['oLP']->get_js_lib(
  155. ).'" type="text/javascript" language="javascript"></script>';
  156. $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
  157. if ($prereq_check === true) {
  158. $src = $_SESSION['oLP']->get_link('http', $lp_item_id, $get_toc_list);
  159. $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
  160. } else {
  161. $src = 'blank.php';
  162. }
  163. break;
  164. case 4:
  165. break;
  166. }
  167. }
  168. $autostart = 'true';
  169. // Update status, total_time from lp_item_view table when you finish the exercises in learning path.
  170. if ($debug) {
  171. error_log('$type_quiz: '.$type_quiz);
  172. error_log('$_REQUEST[exeId]: '.intval($_REQUEST['exeId']));
  173. error_log('$lp_id: '.$lp_id);
  174. error_log('$_GET[lp_item_id]: '.intval($_GET['lp_item_id']));
  175. }
  176. if (!$_SESSION['oLP']->check_attempts()) {
  177. api_not_allowed(true);
  178. }
  179. if ($type_quiz && !empty($_REQUEST['exeId']) && isset($lp_id) && isset($_GET['lp_item_id'])) {
  180. global $src;
  181. $_SESSION['oLP']->items[$_SESSION['oLP']->current]->write_to_db();
  182. $TBL_TRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
  183. $TBL_LP_ITEM_VIEW = Database::get_course_table(TABLE_LP_ITEM_VIEW);
  184. $TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
  185. $safe_item_id = intval($_GET['lp_item_id']);
  186. $safe_id = $lp_id;
  187. $safe_exe_id = intval($_REQUEST['exeId']);
  188. if ($safe_id == strval(intval($safe_id)) && $safe_item_id == strval(intval($safe_item_id))) {
  189. $sql = 'SELECT start_date, exe_date, exe_result, exe_weighting FROM '.$TBL_TRACK_EXERCICES.' WHERE exe_id = '.$safe_exe_id;
  190. if ($debug) {
  191. error_log($sql);
  192. }
  193. $res = Database::query($sql);
  194. $row_dates = Database::fetch_array($res);
  195. $time_start_date = api_strtotime($row_dates['start_date'], 'UTC');
  196. $time_exe_date = api_strtotime($row_dates['exe_date'], 'UTC');
  197. $mytime = ((int)$time_exe_date - (int)$time_start_date);
  198. $score = (float)$row_dates['exe_result'];
  199. $max_score = (float)$row_dates['exe_weighting'];
  200. $sql_upd_max_score = "UPDATE $TBL_LP_ITEM SET max_score = '$max_score' WHERE c_id = $course_id AND id = '".$safe_item_id."'";
  201. if ($debug) {
  202. error_log($sql_upd_max_score);
  203. }
  204. Database::query($sql_upd_max_score);
  205. $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";
  206. $res_last_attempt = Database::query($sql_last_attempt);
  207. if ($debug) {
  208. error_log($sql_last_attempt);
  209. }
  210. if (Database::num_rows($res_last_attempt)) {
  211. $row_last_attempt = Database::fetch_row($res_last_attempt);
  212. $lp_item_view_id = $row_last_attempt[0];
  213. $sql_upd_score = "UPDATE $TBL_LP_ITEM_VIEW SET status = 'completed' , score = $score, total_time = $mytime
  214. WHERE id='".$lp_item_view_id."' AND c_id = $course_id ";
  215. if ($debug) {
  216. error_log($sql_upd_score);
  217. }
  218. Database::query($sql_upd_score);
  219. $update_query = "UPDATE $TBL_TRACK_EXERCICES SET orig_lp_item_view_id = $lp_item_view_id WHERE exe_id = ".$safe_exe_id;
  220. Database::query($update_query);
  221. }
  222. }
  223. if (intval($_GET['fb_type']) > 0) {
  224. $src = 'blank.php?msg=exerciseFinished';
  225. } else {
  226. $src = api_get_path(WEB_CODE_PATH).'exercice/result.php?origin=learnpath&id='.$safe_exe_id;
  227. if ($debug) {
  228. error_log('Calling URL: '.$src);
  229. }
  230. }
  231. $autostart = 'false';
  232. }
  233. $_SESSION['oLP']->set_previous_item($lp_item_id);
  234. $nameTools = Security :: remove_XSS($_SESSION['oLP']->get_name());
  235. $save_setting = api_get_setting('show_navigation_menu');
  236. global $_setting;
  237. $_setting['show_navigation_menu'] = 'false';
  238. $scorm_css_header = true;
  239. $lp_theme_css = $_SESSION['oLP']->get_theme(
  240. ); // Sets the css theme of the LP this call is also use at the frames (toc, nav, message).
  241. if ($_SESSION['oLP']->mode == 'fullscreen') {
  242. $htmlHeadXtra[] = "<script>window.open('$src','content_id','toolbar=0,location=0,status=0,scrollbars=1,resizable=1');</script>";
  243. }
  244. // Not in fullscreen mode.
  245. Display::display_reduced_header($nameTools);
  246. // Check if audio recorder needs to be in studentview.
  247. if (isset($_SESSION['status']) && $_SESSION['status'][$course_code] == 5) {
  248. $audio_recorder_studentview = true;
  249. } else {
  250. $audio_recorder_studentview = false;
  251. }
  252. // Set flag to ensure lp_header.php is loaded by this script (flag is unset in lp_header.php).
  253. $_SESSION['loaded_lp_view'] = true;
  254. $display_none = '';
  255. $margin_left = '305px';
  256. //Media player code
  257. $display_mode = $_SESSION['oLP']->mode;
  258. $scorm_css_header = true;
  259. $lp_theme_css = $_SESSION['oLP']->get_theme();
  260. // Setting up the CSS theme if exists.
  261. if (!empty ($lp_theme_css) && !empty ($mycourselptheme) && $mycourselptheme != -1 && $mycourselptheme == 1) {
  262. global $lp_theme_css;
  263. } else {
  264. $lp_theme_css = $my_style;
  265. }
  266. $progress_bar = $_SESSION['oLP']->get_progress_bar('', -1, '', true);
  267. $navigation_bar = $_SESSION['oLP']->get_navigation_bar();
  268. $mediaplayer = $_SESSION['oLP']->get_mediaplayer($autostart);
  269. $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
  270. $show_audioplayer = false;
  271. // Getting all the information about the item.
  272. $sql = "SELECT audio FROM ".$tbl_lp_item." WHERE c_id = $course_id AND lp_id = '".$_SESSION['oLP']->lp_id."'";
  273. $res_media = Database::query($sql);
  274. if (Database::num_rows($res_media) > 0) {
  275. while ($row_media = Database::fetch_array($res_media)) {
  276. if (!empty($row_media['audio'])) {
  277. $show_audioplayer = true;
  278. break;
  279. }
  280. }
  281. }
  282. echo '<div id="learning_path_main" style="width:100%;height:100%;">';
  283. $is_allowed_to_edit = api_is_allowed_to_edit(null, true, false, false);
  284. if ($is_allowed_to_edit) {
  285. echo '<div id="learning_path_breadcrumb_zone">';
  286. global $interbreadcrumb;
  287. $interbreadcrumb[] = array(
  288. 'url' => 'lp_controller.php?action=list&isStudentView=false',
  289. 'name' => get_lang('LearningPaths')
  290. );
  291. $interbreadcrumb[] = array(
  292. 'url' => api_get_self()."?action=add_item&type=step&lp_id=".$_SESSION['oLP']->lp_id."&isStudentView=false",
  293. 'name' => $_SESSION['oLP']->get_name()
  294. );
  295. $interbreadcrumb[] = array('url' => '#', 'name' => get_lang('Preview'));
  296. //$interbreadcrumb[] = array('type' => 'right', 'url' => api_get_self()."?action=add_item&type=step&lp_id=".$_SESSION['oLP']->lp_id."&isStudentView=false", 'name' => get_lang('Edit'), 'class' => 'btn btn-mini btn-warning');
  297. echo $app['template']->returnBreadcrumb($interbreadcrumb, null, null);
  298. echo '</div>';
  299. }
  300. echo '<div id="learning_path_left_zone" style="'.$display_none.'"> ';
  301. echo '<div id="header">
  302. <table>
  303. <tr>
  304. <td>';
  305. echo '<a href="lp_controller.php?action=return_to_course_homepage&'.api_get_cidreq().'" target="_self" onclick="javascript: window.parent.API.save_asset();">
  306. <img src="../img/lp_arrow.gif" />
  307. </a>
  308. </td>
  309. <td>';
  310. if ($is_allowed_to_edit) {
  311. echo '<a class="link no-border" href="lp_controller.php?isStudentView=false&action=return_to_course_homepage&'.api_get_cidreq(
  312. ).'" target="_self" onclick="javascript: window.parent.API.save_asset();">';
  313. } else {
  314. echo '<a class="link no-border" href="lp_controller.php?action=return_to_course_homepage&'.api_get_cidreq(
  315. ).'" target="_self" onclick="javascript: window.parent.API.save_asset();">';
  316. }
  317. echo get_lang('CourseHomepageLink').'
  318. </a>
  319. </td>
  320. </tr>
  321. </table>
  322. </div>';
  323. ?>
  324. <!-- end header -->
  325. <!-- Author image preview -->
  326. <div id="author_image">
  327. <div id="author_icon">
  328. <?php
  329. if ($_SESSION['oLP']->get_preview_image() != '') {
  330. $picture = getimagesize(
  331. api_get_path(SYS_COURSE_PATH).api_get_course_path(
  332. ).'/upload/learning_path/images/'.$_SESSION['oLP']->get_preview_image()
  333. );
  334. $style = null;
  335. if ($picture['1'] < 96) {
  336. $style = ' style="padding-top:'.((94 - $picture['1']) / 2).'px;" ';
  337. }
  338. $size = ($picture['0'] > 104 && $picture['1'] > 96) ? ' width="104" height="96" ' : $style;
  339. $my_path = $_SESSION['oLP']->get_preview_image_path();
  340. echo '<img src="'.$my_path.'">';
  341. } else {
  342. echo Display :: display_icon('unknown_250_100.jpg');
  343. }
  344. ?>
  345. </div>
  346. <div id="lp_navigation_elem">
  347. <?php echo $navigation_bar; ?>
  348. <div id="progress_bar">
  349. <?php echo $progress_bar; ?>
  350. </div>
  351. </div>
  352. </div>
  353. <!-- end image preview Layout -->
  354. <div id="author_name">
  355. <?php echo $_SESSION['oLP']->get_author(); ?>
  356. </div>
  357. <!-- media player layout -->
  358. <?php
  359. if ($show_audioplayer) {
  360. echo '<div id="lp_media_file">';
  361. echo $mediaplayer;
  362. echo '</div>';
  363. }
  364. ?>
  365. <!-- end media player layout -->
  366. <!-- TOC layout -->
  367. <div id="toc_id" name="toc_name" style="overflow: auto; padding:0;margin-top:0px;width:100%;float:left">
  368. <div id="learning_path_toc">
  369. <?php echo $_SESSION['oLP']->get_html_toc($get_toc_list); ?>
  370. </div>
  371. </div>
  372. <!-- end TOC layout -->
  373. </div>
  374. <!-- end left zone -->
  375. <!-- right zone -->
  376. <div id="learning_path_right_zone" style="margin-left:<?php echo $margin_left;?>;height:100%">
  377. <?php
  378. // hub 26-05-2010 Fullscreen or not fullscreen
  379. $height = '100%';
  380. if ($_SESSION['oLP']->mode == 'fullscreen') {
  381. echo '<iframe id="content_id_blank" name="content_name_blank" src="blank.php" border="0" frameborder="0" style="width:100%;height:'.$height.'" ></iframe>';
  382. } else {
  383. echo '<iframe id="content_id" name="content_name" src="'.$src.'" border="0" frameborder="0" style="display: block; width:100%;height:'.$height.'"></iframe>';
  384. }
  385. ?>
  386. </div>
  387. <!-- end right Zone -->
  388. </div>
  389. <script>
  390. // Resize right and left pane to full height (HUB 20-05-2010).
  391. function updateContentHeight() {
  392. document.body.style.overflow = 'hidden';
  393. var IE = window.navigator.appName.match(/microsoft/i);
  394. var hauteurHeader = document.getElementById('header').offsetHeight;
  395. var hauteurAuthorImg = document.getElementById('author_image').offsetHeight;
  396. var hauteurAuthorName = document.getElementById('author_name').offsetHeight;
  397. var hauteurMedia = 0;
  398. if ($("#lp_media_file").length != 0) {
  399. hauteurMedia = document.getElementById('lp_media_file').offsetHeight;
  400. }
  401. var hauteurTitre = document.getElementById('scorm_title').offsetHeight;
  402. var hauteurAction = 0;
  403. if (document.getElementById('actions_lp')) hauteurAction = document.getElementById('actions_lp').offsetHeight;
  404. var hauteurHaut = hauteurHeader + hauteurAuthorImg + hauteurAuthorName + hauteurMedia + hauteurTitre + hauteurAction;
  405. var innerHauteur = (IE) ? document.body.clientHeight : window.innerHeight;
  406. var debugsize = 0;
  407. // -40 is a static adjustement for margin, spaces on the page
  408. <?php if (!empty($_SESSION['oLP']->scorm_debug)) {
  409. echo 'debugsize = 150;';
  410. } ?>
  411. document.getElementById('inner_lp_toc').style.height = innerHauteur - hauteurHaut - 40 - debugsize + "px";
  412. if (document.getElementById('content_id')) {
  413. document.getElementById('content_id').style.height = innerHauteur + 'px';
  414. }
  415. // Loads the glossary library.
  416. <?php
  417. if (api_get_setting('show_glossary_in_extra_tools') == 'true') {
  418. if (api_get_setting('show_glossary_in_documents') == 'ismanual') {
  419. ?>
  420. $.frameReady(function () {
  421. // $("<div>I am a div courses</div>").prependTo("body");
  422. }, "top.content_name",
  423. { load:[
  424. {type:"script", id:"_fr1", src:"<?php echo api_get_path(
  425. WEB_LIBRARY_PATH
  426. ); ?>javascript/jquery.min.js"},
  427. {type:"script", id:"_fr4", src:"<?php echo api_get_path(
  428. WEB_LIBRARY_PATH
  429. ); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.min.js"},
  430. {type:"stylesheet", id:"_fr5", src:"<?php echo api_get_path(
  431. WEB_LIBRARY_PATH
  432. ); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.css"},
  433. {type:"script", id:"_fr2", src:"<?php echo api_get_path(
  434. WEB_LIBRARY_PATH
  435. ); ?>javascript/jquery.highlight.js"}
  436. ] }
  437. );
  438. <?php
  439. } elseif (api_get_setting('show_glossary_in_documents') == 'isautomatic') {
  440. ?>
  441. $.frameReady(function () {
  442. // $("<div>I am a div courses</div>").prependTo("body");
  443. }, "top.content_name",
  444. { load:[
  445. {type:"script", id:"_fr1", src:"<?php echo api_get_path(
  446. WEB_LIBRARY_PATH
  447. ); ?>javascript/jquery.min.js"},
  448. {type:"script", id:"_fr4", src:"<?php echo api_get_path(
  449. WEB_LIBRARY_PATH
  450. ); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.min.js"},
  451. {type:"stylesheet", id:"_fr5", src:"<?php echo api_get_path(
  452. WEB_LIBRARY_PATH
  453. ); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.css"},
  454. {type:"script", id:"_fr2", src:"<?php echo api_get_path(
  455. WEB_LIBRARY_PATH
  456. ); ?>javascript/jquery.highlight.js"}
  457. ] }
  458. );
  459. <?php
  460. }
  461. }
  462. ?>
  463. }
  464. window.onload = updateContentHeight;
  465. window.onresize = updateContentHeight;
  466. </script>
  467. <?php
  468. // Restore a global setting.
  469. $_setting['show_navigation_menu'] = $save_setting;
  470. if ($debug) {
  471. error_log(' ------- end lp_view.php ------');
  472. }
  473. Display::display_footer();