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>
  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. // Prepare variables for the test tool (just in case) - honestly, this should disappear later on.
  80. $_SESSION['scorm_view_id'] = $_SESSION['oLP']->get_view_id();
  81. $_SESSION['scorm_item_id'] = $lp_item_id;
  82. $_SESSION['lp_mode'] = $_SESSION['oLP']->mode;
  83. // Reinit exercises variables to avoid spacename clashes (see exercise tool)
  84. if (isset($exerciseResult) || isset($_SESSION['exerciseResult'])) {
  85. Session::erase($exerciseResult);
  86. }
  87. unset($_SESSION['objExercise']);
  88. unset($_SESSION['questionList']);
  89. // additional APIs
  90. $htmlHeadXtra[] = '<script type="text/javascript" language="javascript">
  91. chamilo_courseCode = "'.$course_code.'";
  92. </script>';
  93. // Document API
  94. $htmlHeadXtra[] = '<script src="js/documentapi.js" type="text/javascript" language="javascript"></script>';
  95. // Storage API
  96. $htmlHeadXtra[] = '<script type="text/javascript">
  97. var sv_user = \''.api_get_user_id().'\';
  98. var sv_course = chamilo_courseCode;
  99. var sv_sco = \''.$_REQUEST['lp_id'].'\';
  100. </script>'; // FIXME fetch sco and userid from a more reliable source directly in sotrageapi.js
  101. $htmlHeadXtra[] = '<script type="text/javascript" src="js/storageapi.js"></script>';
  102. /**
  103. * Get a link to the corresponding document.
  104. */
  105. if ($debug) {
  106. error_log(" src: $src ");
  107. error_log(" lp_type: $lp_type ");
  108. }
  109. $get_toc_list = $_SESSION['oLP']->get_toc();
  110. $type_quiz = false;
  111. foreach ($get_toc_list as $toc) {
  112. if ($toc['id'] == $lp_item_id && ($toc['type']=='quiz')) {
  113. $type_quiz = true;
  114. }
  115. }
  116. if (!isset($src)) {
  117. $src = '';
  118. switch ($lp_type) {
  119. case 1:
  120. $_SESSION['oLP']->stop_previous_item();
  121. $htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
  122. $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
  123. if ($prereq_check === true) {
  124. $src = $_SESSION['oLP']->get_link('http', $lp_item_id, $get_toc_list);
  125. //Prevents FF 3.6 + Adobe Reader 9 bug see BT#794 when calling a pdf file in a LP.
  126. $file_info = parse_url($src);
  127. $file_info = pathinfo($file_info['path']);
  128. if (api_strtolower(substr($file_info['extension'], 0, 3) == 'pdf')) {
  129. //$src = api_get_path(WEB_CODE_PATH).'newscorm/lp_view_item.php?src='.$src;
  130. $src = api_get_path(WEB_CODE_PATH).'newscorm/lp_view_item.php?lp_item_id='.$lp_item_id;
  131. }
  132. $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
  133. } else {
  134. $src = 'blank.php?error=prerequisites';
  135. }
  136. break;
  137. case 2:
  138. // save old if asset
  139. $_SESSION['oLP']->stop_previous_item(); // save status manually if asset
  140. $htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
  141. $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
  142. if ($prereq_check === true) {
  143. $src = $_SESSION['oLP']->get_link('http',$lp_item_id, $get_toc_list);
  144. $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
  145. } else {
  146. $src = 'blank.php?error=prerequisites';
  147. }
  148. break;
  149. case 3:
  150. // aicc
  151. $_SESSION['oLP']->stop_previous_item(); // save status manually if asset
  152. $htmlHeadXtra[] = '<script src="'.$_SESSION['oLP']->get_js_lib().'" type="text/javascript" language="javascript"></script>';
  153. $prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
  154. if ($prereq_check === true) {
  155. $src = $_SESSION['oLP']->get_link('http',$lp_item_id, $get_toc_list);
  156. $_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
  157. } else {
  158. $src = 'blank.php';
  159. }
  160. break;
  161. case 4:
  162. break;
  163. }
  164. }
  165. $autostart = 'true';
  166. // Update status, total_time from lp_item_view table when you finish the exercises in learning path.
  167. if ($debug) {
  168. error_log('$type_quiz: '.$type_quiz);
  169. error_log('$_REQUEST[exeId]: '.intval($_REQUEST['exeId']));
  170. error_log('$lp_id: '.$lp_id);
  171. error_log('$_GET[lp_item_id]: '.intval($_GET['lp_item_id']));
  172. }
  173. if ($type_quiz && !empty($_REQUEST['exeId']) && isset($lp_id) && isset($_GET['lp_item_id'])) {
  174. global $src;
  175. $_SESSION['oLP']->items[$_SESSION['oLP']->current]->write_to_db();
  176. $TBL_TRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
  177. $TBL_LP_ITEM_VIEW = Database::get_course_table(TABLE_LP_ITEM_VIEW);
  178. $TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
  179. $safe_item_id = intval($_GET['lp_item_id']);
  180. $safe_id = $lp_id;
  181. $safe_exe_id = intval($_REQUEST['exeId']);
  182. if ($safe_id == strval(intval($safe_id)) && $safe_item_id == strval(intval($safe_item_id))) {
  183. $sql = 'SELECT start_date, exe_date, exe_result, exe_weighting FROM ' . $TBL_TRACK_EXERCICES . ' WHERE exe_id = '.$safe_exe_id;
  184. if ($debug) error_log($sql);
  185. $res = Database::query($sql);
  186. $row_dates = Database::fetch_array($res);
  187. $time_start_date = api_strtotime($row_dates['start_date'],'UTC');
  188. $time_exe_date = api_strtotime($row_dates['exe_date'],'UTC');
  189. $mytime = ((int)$time_exe_date-(int)$time_start_date);
  190. $score = (float)$row_dates['exe_result'];
  191. $max_score = (float)$row_dates['exe_weighting'];
  192. $sql_upd_max_score = "UPDATE $TBL_LP_ITEM SET max_score = '$max_score' WHERE c_id = $course_id AND id = '".$safe_item_id."'";
  193. if ($debug) error_log($sql_upd_max_score);
  194. Database::query($sql_upd_max_score);
  195. $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";
  196. $res_last_attempt = Database::query($sql_last_attempt);
  197. if ($debug) error_log($sql_last_attempt);
  198. if (Database::num_rows($res_last_attempt)) {
  199. $row_last_attempt = Database::fetch_row($res_last_attempt);
  200. $lp_item_view_id = $row_last_attempt[0];
  201. $sql_upd_score = "UPDATE $TBL_LP_ITEM_VIEW SET status = 'completed' , score = $score, total_time = $mytime
  202. WHERE id='".$lp_item_view_id."' AND c_id = $course_id ";
  203. if ($debug) error_log($sql_upd_score);
  204. Database::query($sql_upd_score);
  205. $update_query = "UPDATE $TBL_TRACK_EXERCICES SET orig_lp_item_view_id = $lp_item_view_id WHERE exe_id = ".$safe_exe_id;
  206. Database::query($update_query);
  207. }
  208. }
  209. if (intval($_GET['fb_type']) > 0) {
  210. $src = 'blank.php?msg=exerciseFinished';
  211. } else {
  212. $src = api_get_path(WEB_CODE_PATH).'exercice/result.php?id='.$safe_exe_id;
  213. if ($debug) error_log('Calling URL: '.$src);
  214. }
  215. $autostart = 'false';
  216. }
  217. $_SESSION['oLP']->set_previous_item($lp_item_id);
  218. $nameTools = Security :: remove_XSS($_SESSION['oLP']->get_name());
  219. $save_setting = api_get_setting('show_navigation_menu');
  220. global $_setting;
  221. $_setting['show_navigation_menu'] = 'false';
  222. $scorm_css_header = true;
  223. $lp_theme_css = $_SESSION['oLP']->get_theme(); // Sets the css theme of the LP this call is also use at the frames (toc, nav, message).
  224. if ($_SESSION['oLP']->mode == 'fullscreen') {
  225. $htmlHeadXtra[] = "<script>window.open('$src','content_id','toolbar=0,location=0,status=0,scrollbars=1,resizable=1');</script>";
  226. }
  227. // Not in fullscreen mode.
  228. Display::display_reduced_header($nameTools);
  229. //$displayAudioRecorder = (api_get_setting('service_visio', 'active') == 'true') ? true : false;
  230. // Check if audio recorder needs to be in studentview.
  231. //$course_id = $_SESSION['_course']['id'];
  232. if ($_SESSION['status'][$course_code] == 5) {
  233. $audio_recorder_studentview = true;
  234. } else {
  235. $audio_recorder_studentview = false;
  236. }
  237. // Set flag to ensure lp_header.php is loaded by this script (flag is unset in lp_header.php).
  238. $_SESSION['loaded_lp_view'] = true;
  239. $display_none = '';
  240. $margin_left = '305px';
  241. /*
  242. if ($_SESSION['oLP']->mode == 'embedframe' || $_SESSION['oLP']->get_hide_toc_frame()==1 ) {
  243. $display_none = ';display:none;';
  244. /$margin_left = '12px';
  245. }*/
  246. //Media player code
  247. $display_mode = $_SESSION['oLP']->mode;
  248. $scorm_css_header = true;
  249. $lp_theme_css = $_SESSION['oLP']->get_theme();
  250. // Setting up the CSS theme if exists.
  251. if (!empty ($lp_theme_css) && !empty ($mycourselptheme) && $mycourselptheme != -1 && $mycourselptheme == 1) {
  252. global $lp_theme_css;
  253. } else {
  254. $lp_theme_css = $my_style;
  255. }
  256. $progress_bar = $_SESSION['oLP']->get_progress_bar('', -1, '', true);
  257. $navigation_bar = $_SESSION['oLP']->get_navigation_bar();
  258. $mediaplayer = $_SESSION['oLP']->get_mediaplayer($autostart);
  259. $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
  260. $show_audioplayer = false;
  261. // Getting all the information about the item.
  262. $sql = "SELECT audio FROM " . $tbl_lp_item . " WHERE c_id = $course_id AND lp_id = '" . $_SESSION['oLP']->lp_id."'";
  263. $res_media= Database::query($sql);
  264. if (Database::num_rows($res_media) > 0) {
  265. while ($row_media= Database::fetch_array($res_media)) {
  266. if (!empty($row_media['audio'])) {$show_audioplayer = true; break;}
  267. }
  268. }
  269. ?>
  270. <div id="learning_path_main" style="width:100%;height:100%;">
  271. <div id="learning_path_left_zone" style="<?php echo $display_none;?>">
  272. <!-- header -->
  273. <div id="header">
  274. <table>
  275. <tr>
  276. <td>
  277. <a href="lp_controller.php?action=return_to_course_homepage&<?php echo api_get_cidreq(); ?>" target="_self" onclick="javascript: window.parent.API.save_asset();">
  278. <img src="../img/lp_arrow.gif" />
  279. </a>
  280. </td>
  281. <td>
  282. <a class="link" href="lp_controller.php?action=return_to_course_homepage&<?php echo api_get_cidreq(); ?>" target="_self" onclick="javascript: window.parent.API.save_asset();">
  283. <?php echo get_lang('CourseHomepageLink'); ?></a>
  284. </td>
  285. </tr>
  286. </table>
  287. </div>
  288. <!-- end header -->
  289. <!-- Author image preview -->
  290. <div id="author_image">
  291. <div id="author_icon">
  292. <?php
  293. if ($_SESSION['oLP']->get_preview_image()!='') {
  294. $picture = getimagesize(api_get_path(SYS_COURSE_PATH).api_get_course_path().'/upload/learning_path/images/'.$_SESSION['oLP']->get_preview_image());
  295. if($picture['1'] < 96) { $style = ' style="padding-top:'.((94 -$picture['1'])/2).'px;" '; }
  296. $size = ($picture['0'] > 104 && $picture['1'] > 96 )? ' width="104" height="96" ': $style;
  297. $my_path = api_get_path(WEB_COURSE_PATH).api_get_course_path().'/upload/learning_path/images/'.$_SESSION['oLP']->get_preview_image();
  298. echo '<img src="'.$my_path.'">';
  299. } else {
  300. echo Display :: display_icon('unknown_250_100.jpg');
  301. }
  302. ?>
  303. </div>
  304. <div id="lp_navigation_elem">
  305. <?php echo $navigation_bar; ?>
  306. <div id="progress_bar">
  307. <?php echo $progress_bar; ?>
  308. </div>
  309. </div>
  310. </div>
  311. <!-- end image preview Layout -->
  312. <div id="author_name">
  313. <?php echo $_SESSION['oLP']->get_author(); ?>
  314. </div>
  315. <!-- media player layout -->
  316. <?php
  317. if ($show_audioplayer) {
  318. echo '<div id="lp_media_file">';
  319. echo $mediaplayer;
  320. echo '</div>';
  321. }
  322. ?>
  323. <!-- end media player layout -->
  324. <!-- TOC layout -->
  325. <div id="toc_id" name="toc_name" style="overflow: auto; padding:0;margin-top:0px;width:100%;float:left">
  326. <div id="learning_path_toc">
  327. <?php echo $_SESSION['oLP']->get_html_toc($get_toc_list); ?>
  328. <?php if (!empty($_SESSION['oLP']->scorm_debug)) { //only show log ?>
  329. <!-- log message layout -->
  330. <div id="lp_log_name" name="lp_log_name" class="lp_log" style="height:150px;overflow:auto;margin:4px">
  331. <div id="log_content"></div>
  332. <div id="log_content_cleaner" style="cursor: pointer; color:blue;"><?php echo get_lang('Clean'); ?></div>
  333. </div>
  334. <!-- end log message layout -->
  335. <?php } ?>
  336. </div>
  337. </div>
  338. <!-- end TOC layout -->
  339. </div>
  340. <!-- end left Zone -->
  341. <!-- right Zone -->
  342. <div id="learning_path_right_zone" style="margin-left:<?php echo $margin_left;?>;height:100%">
  343. <?php
  344. // hub 26-05-2010 Fullscreen or not fullscreen
  345. $height = '100%';
  346. if ($_SESSION['oLP']->mode == 'fullscreen') {
  347. echo '<iframe id="content_id_blank" name="content_name_blank" src="blank.php" border="0" frameborder="0" style="width:100%;height:'.$height.'" ></iframe>';
  348. } else {
  349. echo '<iframe id="content_id" name="content_name" src="'.$src.'" border="0" frameborder="0" style="display: block; width:100%;height:'.$height.'"></iframe>';
  350. }
  351. ?>
  352. </div>
  353. <!-- end right Zone -->
  354. </div>
  355. <script>
  356. // Resize right and left pane to full height (HUB 20-05-2010).
  357. function updateContentHeight() {
  358. document.body.style.overflow = 'hidden';
  359. var IE = window.navigator.appName.match(/microsoft/i);
  360. var hauteurHeader = document.getElementById('header').offsetHeight;
  361. var hauteurAuthorImg = document.getElementById('author_image').offsetHeight;
  362. var hauteurAuthorName = document.getElementById('author_name').offsetHeight;
  363. var hauteurMedia = 0;
  364. if ($("#lp_media_file").length != 0) {
  365. hauteurMedia = document.getElementById('lp_media_file').offsetHeight;
  366. }
  367. var hauteurTitre = document.getElementById('scorm_title').offsetHeight;
  368. var hauteurAction = 0;
  369. if (document.getElementById('actions_lp')) hauteurAction = document.getElementById('actions_lp').offsetHeight;
  370. var hauteurHaut = hauteurHeader+hauteurAuthorImg+hauteurAuthorName+hauteurMedia+hauteurTitre+hauteurAction;
  371. var innerHauteur = (IE) ? document.body.clientHeight : window.innerHeight ;
  372. var debugsize = 0;
  373. // -40 is a static adjustement for margin, spaces on the page
  374. <?php if (!empty($_SESSION['oLP']->scorm_debug)) echo 'debugsize = 150;' ?>
  375. document.getElementById('inner_lp_toc').style.height = innerHauteur - hauteurHaut - 40 - debugsize + "px";
  376. if (document.getElementById('content_id')) {
  377. document.getElementById('content_id').style.height = innerHauteur + 'px';
  378. }
  379. // Loads the glossary library.
  380. <?php
  381. if (api_get_setting('show_glossary_in_extra_tools') == 'true') {
  382. if (api_get_setting('show_glossary_in_documents') == 'ismanual') {
  383. ?>
  384. $.frameReady(function(){
  385. // $("<div>I am a div courses</div>").prependTo("body");
  386. }, "top.content_name",
  387. { load: [
  388. {type:"script", id:"_fr1", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.min.js"},
  389. {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"},
  390. {type:"stylesheet", id:"_fr5", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.css"},
  391. {type:"script", id:"_fr2", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.highlight.js"}
  392. ] }
  393. );
  394. <?php
  395. } elseif (api_get_setting('show_glossary_in_documents') == 'isautomatic') {
  396. ?>
  397. $.frameReady(function(){
  398. // $("<div>I am a div courses</div>").prependTo("body");
  399. }, "top.content_name",
  400. { load: [
  401. {type:"script", id:"_fr1", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.min.js"},
  402. {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"},
  403. {type:"stylesheet", id:"_fr5", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.css"},
  404. {type:"script", id:"_fr2", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.highlight.js"}
  405. ] }
  406. );
  407. <?php
  408. }
  409. }
  410. ?>
  411. }
  412. window.onload = updateContentHeight;
  413. window.onresize = updateContentHeight;
  414. -->
  415. </script>
  416. <?php
  417. // Restore a global setting.
  418. $_setting['show_navigation_menu'] = $save_setting;
  419. if ($debug) {
  420. error_log(' ------- end lp_view.php ------');
  421. }