exercise_submit.php 51 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. use ChamiloSession as Session;
  4. /**
  5. * Exercise submission
  6. * This script allows to run an exercise. According to the exercise type, questions
  7. * can be on an unique page, or one per page with a Next button.
  8. *
  9. * One exercise may contain different types of answers (unique or multiple selection,
  10. * matching, fill in blanks, free answer, hot-spot).
  11. *
  12. * Questions are selected randomly or not.
  13. *
  14. * When the user has answered all questions and clicks on the button "Ok",
  15. * it goes to exercise_result.php
  16. *
  17. * Notice : This script is also used to show a question before modifying it by
  18. * the administrator
  19. * @package chamilo.exercise
  20. * @author Olivier Brouckaert
  21. * @author Julio Montoya <gugli100@gmail.com>
  22. * Fill in blank option added (2008)
  23. * Cleaning exercises (2010),
  24. * Adding hotspot delineation support (2011)
  25. * Adding reminder + ajax support (2011)
  26. * Modified by hubert.borderiou (2011-10-21 question category)
  27. */
  28. require_once __DIR__.'/../inc/global.inc.php';
  29. $current_course_tool = TOOL_QUIZ;
  30. $this_section = SECTION_COURSES;
  31. $debug = false;
  32. // Notice for unauthorized people.
  33. api_protect_course_script(true);
  34. $origin = isset($_REQUEST['origin']) ? Security::remove_XSS($_REQUEST['origin']) : '';
  35. $is_allowedToEdit = api_is_allowed_to_edit(null,true);
  36. $glossaryExtraTools = api_get_setting('show_glossary_in_extra_tools');
  37. $showGlossary = in_array($glossaryExtraTools, array('true', 'exercise', 'exercise_and_lp'));
  38. if ($origin == 'learnpath') {
  39. $showGlossary = in_array($glossaryExtraTools, array('true', 'lp', 'exercise_and_lp'));
  40. }
  41. if ($showGlossary) {
  42. $htmlHeadXtra[] = '<script type="text/javascript" src="'.api_get_path(WEB_CODE_PATH).'glossary/glossary.js.php?add_ready=1"></script>';
  43. $htmlHeadXtra[] = api_get_js('jquery.highlight.js');
  44. }
  45. $htmlHeadXtra[] = api_get_js('jqueryui-touch-punch/jquery.ui.touch-punch.min.js');
  46. $htmlHeadXtra[] = api_get_js('jquery.jsPlumb.all.js');
  47. $htmlHeadXtra[] = api_get_js('d3/jquery.xcolor.js');
  48. //This library is necessary for the time control feature
  49. //tmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_PATH).'javascript/epiclock/stylesheet/jquery.epiclock.css');
  50. $htmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_PATH).'javascript/epiclock/renderers/minute/epiclock.minute.css');
  51. $htmlHeadXtra[] = api_get_js('epiclock/javascript/jquery.dateformat.min.js');
  52. $htmlHeadXtra[] = api_get_js('epiclock/javascript/jquery.epiclock.min.js');
  53. $htmlHeadXtra[] = api_get_js('epiclock/renderers/minute/epiclock.minute.js');
  54. $htmlHeadXtra[] = '<link rel="stylesheet" href="' . api_get_path(WEB_LIBRARY_JS_PATH) . 'hotspot/css/hotspot.css">';
  55. $htmlHeadXtra[] = '<script src="' . api_get_path(WEB_LIBRARY_JS_PATH) . 'hotspot/js/hotspot.js"></script>';
  56. if (api_get_setting('enable_record_audio') === 'true') {
  57. $htmlHeadXtra[] = '<script src="' . api_get_path(WEB_LIBRARY_JS_PATH) . 'rtc/RecordRTC.js"></script>';
  58. $htmlHeadXtra[] = '<script src="' . api_get_path(WEB_LIBRARY_PATH) . 'wami-recorder/recorder.js"></script>';
  59. $htmlHeadXtra[] = '<script src="' . api_get_path(WEB_LIBRARY_PATH) . 'wami-recorder/gui.js"></script>';
  60. $htmlHeadXtra[] = '<script type="text/javascript" src="' . api_get_path(WEB_LIBRARY_PATH) . 'swfobject/swfobject.js"></script>';
  61. }
  62. $template = new Template();
  63. // General parameters passed via POST/GET
  64. $learnpath_id = isset($_REQUEST['learnpath_id']) ? intval($_REQUEST['learnpath_id']) : 0;
  65. $learnpath_item_id = isset($_REQUEST['learnpath_item_id']) ? intval($_REQUEST['learnpath_item_id']) : 0;
  66. $learnpath_item_view_id = isset($_REQUEST['learnpath_item_view_id']) ? intval($_REQUEST['learnpath_item_view_id']) : 0;
  67. $reminder = isset($_REQUEST['reminder']) ? intval($_REQUEST['reminder']) : 0;
  68. $remind_question_id = isset($_REQUEST['remind_question_id']) ? intval($_REQUEST['remind_question_id']) : 0;
  69. $exerciseId = isset($_REQUEST['exerciseId']) ? intval($_REQUEST['exerciseId']) : 0;
  70. $formSent = isset($_REQUEST['formSent']) ? $_REQUEST['formSent'] : null;
  71. $exerciseResult = isset($_REQUEST['exerciseResult']) ? $_REQUEST['exerciseResult'] : null;
  72. $exerciseResultCoordinates = isset($_REQUEST['exerciseResultCoordinates']) ? $_REQUEST['exerciseResultCoordinates'] : null;
  73. $choice = isset($_REQUEST['choice']) ? $_REQUEST['choice'] : null;
  74. $choice = empty($choice) ? isset($_REQUEST['choice2']) ? $_REQUEST['choice2'] : null : null;
  75. //From submit modal
  76. $current_question = isset($_REQUEST['num']) ? intval($_REQUEST['num']) : null;
  77. $currentAnswer = isset($_REQUEST['num_answer']) ? intval($_REQUEST['num_answer']) : null;
  78. $endExercise = isset($_REQUEST['end_exercise']) && $_REQUEST['end_exercise'] == 1 ? true : false;
  79. //Error message
  80. $error = '';
  81. //Table calls
  82. $exercise_attempt_table = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
  83. /* Teacher takes an exam and want to see a preview,
  84. we delete the objExercise from the session in order to get the latest
  85. changes in the exercise */
  86. if (api_is_allowed_to_edit(null, true) && isset($_GET['preview']) && $_GET['preview'] == 1 ) {
  87. Session::erase('objExercise');
  88. }
  89. // 1. Loading the $objExercise variable
  90. /** @var \Exercise $exerciseInSession */
  91. $exerciseInSession = Session::read('objExercise');
  92. if (!isset($exerciseInSession) || isset($exerciseInSession) && ($exerciseInSession->id != $_GET['exerciseId'])) {
  93. // Construction of Exercise
  94. $objExercise = new Exercise();
  95. Session::write('firstTime', true);
  96. if ($debug) {error_log('1. Setting the $objExercise variable'); };
  97. Session::erase('questionList');
  98. // if the specified exercise doesn't exist or is disabled
  99. if (!$objExercise->read($exerciseId) ||
  100. (!$objExercise->selectStatus() && !$is_allowedToEdit && $origin != 'learnpath')
  101. ) {
  102. if ($debug) {error_log('1.1. Error while reading the exercise'); };
  103. unset ($objExercise);
  104. $error = get_lang('ExerciseNotFound');
  105. } else {
  106. // Saves the object into the session
  107. Session::write('objExercise', $objExercise);
  108. if ($debug) {error_log('1.1. $exerciseInSession was unset - set now - end'); };
  109. }
  110. } else {
  111. Session::write('firstTime', false);
  112. }
  113. //2. Checking if $objExercise is set
  114. if (!isset($objExercise) && isset($exerciseInSession)) {
  115. if ($debug) { error_log('2. Loading $objExercise from session'); };
  116. $objExercise = $exerciseInSession;
  117. }
  118. //3. $objExercise is not set, then return to the exercise list
  119. if (!is_object($objExercise)) {
  120. if ($debug) {error_log('3. $objExercise was not set, kill the script'); };
  121. header('Location: exercise.php');
  122. exit;
  123. }
  124. // If reminder ends we jump to the exercise_reminder
  125. if ($objExercise->review_answers) {
  126. if ($remind_question_id == -1) {
  127. header('Location: exercise_reminder.php?origin='.$origin.'&exerciseId='.$exerciseId.'&'.api_get_cidreq());
  128. exit;
  129. }
  130. }
  131. $template->assign('shuffle_answers', $objExercise->random_answers);
  132. $templateName = $template->get_template('exercise/submit.js.tpl');
  133. $htmlHeadXtra[] = $template->fetch($templateName);
  134. $current_timestamp = time();
  135. $my_remind_list = array();
  136. $time_control = false;
  137. if ($objExercise->expired_time != 0) {
  138. $time_control = true;
  139. }
  140. // Generating the time control key for the user
  141. $current_expired_time_key = ExerciseLib::get_time_control_key($objExercise->id, $learnpath_id, $learnpath_item_id);
  142. $_SESSION['duration_time'][$current_expired_time_key] = $current_timestamp;
  143. if ($time_control) {
  144. // Get the expired time of the current exercise in track_e_exercises
  145. $total_seconds = $objExercise->expired_time*60;
  146. }
  147. $show_clock = true;
  148. $user_id = api_get_user_id();
  149. if ($objExercise->selectAttempts() > 0) {
  150. $attempt_html = '';
  151. $attempt_count = Event::get_attempt_count(
  152. $user_id,
  153. $exerciseId,
  154. $learnpath_id,
  155. $learnpath_item_id,
  156. $learnpath_item_view_id
  157. );
  158. if ($attempt_count >= $objExercise->selectAttempts()) {
  159. $show_clock = false;
  160. if (!api_is_allowed_to_edit(null,true)) {
  161. if ($objExercise->results_disabled == 0 && $origin != 'learnpath') {
  162. // Showing latest attempt according with task BT#1628
  163. $exercise_stat_info = Event::getExerciseResultsByUser(
  164. $user_id,
  165. $exerciseId,
  166. api_get_course_id(),
  167. api_get_session_id()
  168. );
  169. if (!empty($exercise_stat_info)) {
  170. $max_exe_id = max(array_keys($exercise_stat_info));
  171. $last_attempt_info = $exercise_stat_info[$max_exe_id];
  172. $attempt_html .= Display::div(
  173. get_lang('Date').': '.api_get_local_time($last_attempt_info['exe_date']),
  174. array('id' => '')
  175. );
  176. $attempt_html .= Display::return_message(
  177. sprintf(
  178. get_lang('ReachedMaxAttempts'),
  179. $exercise_title,
  180. $objExercise->selectAttempts()
  181. ),
  182. 'warning',
  183. false
  184. );
  185. if (!empty($last_attempt_info['question_list'])) {
  186. foreach($last_attempt_info['question_list'] as $questions) {
  187. foreach ($questions as $question_data) {
  188. $question_id = $question_data['question_id'];
  189. $marks = $question_data['marks'];
  190. $question_info = Question::read($question_id);
  191. $attempt_html .= Display::div($question_info->question, array('class'=>'question_title'));
  192. $attempt_html .= Display::div(get_lang('Score').' '.$marks, array('id'=>'question_question_titlescore'));
  193. }
  194. }
  195. }
  196. $score = ExerciseLib::show_score($last_attempt_info['exe_result'], $last_attempt_info['exe_weighting']);
  197. $attempt_html .= Display::div(get_lang('YourTotalScore').' '.$score, array('id'=>'question_score'));
  198. } else {
  199. $attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
  200. }
  201. } else {
  202. $attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
  203. }
  204. } else {
  205. $attempt_html .= Display :: return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
  206. }
  207. if ($origin == 'learnpath') {
  208. Display :: display_reduced_header();
  209. } else {
  210. Display :: display_header(get_lang('Exercises'));
  211. }
  212. echo $attempt_html;
  213. if ($origin != 'learnpath') {
  214. Display:: display_footer();
  215. }
  216. exit;
  217. }
  218. }
  219. if ($debug) {
  220. error_log("4. Setting the exe_id: $exe_id");
  221. }
  222. /* 5. Getting user exercise info (if the user took the exam before)
  223. generating exe_id */
  224. $exercise_stat_info = $objExercise->get_stat_track_exercise_info(
  225. $learnpath_id,
  226. $learnpath_item_id,
  227. $learnpath_item_view_id
  228. );
  229. // Fix in order to get the correct question list.
  230. $questionListUncompressed = $objExercise->getQuestionListWithMediasUncompressed();
  231. Session::write('question_list_uncompressed', $questionListUncompressed);
  232. $clock_expired_time = null;
  233. if (empty($exercise_stat_info)) {
  234. if ($debug) error_log('5 $exercise_stat_info is empty ');
  235. $total_weight = 0;
  236. $questionList = $objExercise->get_validated_question_list();
  237. foreach ($questionListUncompressed as $question_id) {
  238. $objQuestionTmp = Question::read($question_id);
  239. $total_weight += floatval($objQuestionTmp->weighting);
  240. }
  241. if ($time_control) {
  242. $expected_time = $current_timestamp + $total_seconds;
  243. if ($debug) error_log('5.1. $current_timestamp '.$current_timestamp);
  244. if ($debug) error_log('5.2. $expected_time '.$expected_time);
  245. $clock_expired_time = api_get_utc_datetime($expected_time);
  246. if ($debug) error_log('5.3. $expected_time '.$clock_expired_time);
  247. //Sessions that contain the expired time
  248. $_SESSION['expired_time'][$current_expired_time_key] = $clock_expired_time;
  249. if ($debug) { error_log('5.4. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
  250. }
  251. $exe_id = $objExercise->save_stat_track_exercise_info(
  252. $clock_expired_time,
  253. $learnpath_id,
  254. $learnpath_item_id,
  255. $learnpath_item_view_id,
  256. $questionList,
  257. $total_weight
  258. );
  259. $exercise_stat_info = $objExercise->get_stat_track_exercise_info(
  260. $learnpath_id,
  261. $learnpath_item_id,
  262. $learnpath_item_view_id
  263. );
  264. if ($debug) error_log("5.5 exercise_stat_info[] exists getting exe_id $exe_id");
  265. } else {
  266. $exe_id = $exercise_stat_info['exe_id'];
  267. // Remember last question id position.
  268. $isFirstTime = Session::read('firstTime');
  269. if ($isFirstTime && $objExercise->type == ONE_PER_PAGE) {
  270. $resolvedQuestions = Event::getAllExerciseEventByExeId($exe_id);
  271. if (!empty($resolvedQuestions) &&
  272. !empty($exercise_stat_info['data_tracking'])
  273. ) {
  274. $last = current(end($resolvedQuestions));
  275. $attemptQuestionList = explode(',', $exercise_stat_info['data_tracking']);
  276. $count = 1;
  277. foreach ($attemptQuestionList as $question) {
  278. if ($last['question_id'] == $question) {
  279. break;
  280. }
  281. $count++;
  282. }
  283. $current_question = $count;
  284. }
  285. }
  286. if ($debug) error_log("5 exercise_stat_info[] exists getting exe_id $exe_id ");
  287. }
  288. $questionListInSession = Session::read('questionList');
  289. if (!isset($questionListInSession)) {
  290. // Selects the list of question ID
  291. $questionList = $objExercise->getQuestionList();
  292. // Media questions.
  293. $media_is_activated = $objExercise->mediaIsActivated();
  294. //Getting order from random
  295. if ($media_is_activated == false &&
  296. $objExercise->isRandom() &&
  297. isset($exercise_stat_info) &&
  298. !empty($exercise_stat_info['data_tracking'])
  299. ) {
  300. $questionList = explode(',', $exercise_stat_info['data_tracking']);
  301. }
  302. Session::write('questionList', $questionList);
  303. if ($debug > 0) {
  304. error_log('$_SESSION[questionList] was set');
  305. }
  306. } else {
  307. if (isset($objExercise) && isset($exerciseInSession)) {
  308. $questionList = Session::read('questionList');
  309. }
  310. }
  311. // Array to check in order to block the chat
  312. ExerciseLib::create_chat_exercise_session($exe_id);
  313. if ($debug) { error_log('6. $objExercise->get_stat_track_exercise_info function called:: '.print_r($exercise_stat_info, 1)); };
  314. if (!empty($exercise_stat_info['questions_to_check'])) {
  315. $my_remind_list = $exercise_stat_info['questions_to_check'];
  316. $my_remind_list = explode(',', $my_remind_list);
  317. $my_remind_list = array_filter($my_remind_list);
  318. }
  319. $params = "exe_id=$exe_id&exerciseId=$exerciseId&origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id&learnpath_item_view_id=$learnpath_item_view_id&".api_get_cidreq();
  320. if ($debug) { error_log("6.1 params: -> $params"); };
  321. if ($reminder == 2 && empty($my_remind_list)) {
  322. if ($debug) { error_log("6.2 calling the exercise_reminder.php "); };
  323. header('Location: exercise_reminder.php?'.$params);
  324. exit;
  325. }
  326. /*
  327. * 7. Loading Time control parameters
  328. * If the expired time is major that zero(0) then the expired time is compute on this time.
  329. */
  330. if ($time_control) {
  331. if ($debug) error_log('7.1. Time control is enabled');
  332. if ($debug) error_log('7.2. $current_expired_time_key '.$current_expired_time_key);
  333. if ($debug) error_log('7.3. $_SESSION[expired_time][$current_expired_time_key] '.$_SESSION['expired_time'][$current_expired_time_key]);
  334. if (!isset($_SESSION['expired_time'][$current_expired_time_key])) {
  335. //Timer - Get expired_time for a student
  336. if (!empty($exercise_stat_info)) {
  337. if ($debug) {error_log('7.4 Seems that the session ends and the user want to retake the exam'); };
  338. $expired_time_of_this_attempt = $exercise_stat_info['expired_time_control'];
  339. if ($debug) {error_log('7.5 $expired_time_of_this_attempt: '.$expired_time_of_this_attempt); }
  340. // Get the last attempt of an exercise
  341. $last_attempt_date = Event::getLastAttemptDateOfExercise($exercise_stat_info['exe_id']);
  342. /* This means that the user enters the exam but do not answer the
  343. first question we get the date from the track_e_exercises not from
  344. the track_et_attempt see #2069 */
  345. if (empty($last_attempt_date)) {
  346. $diff = $current_timestamp - api_strtotime($exercise_stat_info['start_date'], 'UTC');
  347. $last_attempt_date = api_get_utc_datetime(api_strtotime($exercise_stat_info['start_date'],'UTC') + $diff);
  348. } else {
  349. //Recalculate the time control due #2069
  350. $diff = $current_timestamp - api_strtotime($last_attempt_date,'UTC');
  351. $last_attempt_date = api_get_utc_datetime(api_strtotime($last_attempt_date,'UTC') + $diff);
  352. }
  353. if ($debug) {error_log('7.6. $last_attempt_date: '.$last_attempt_date); }
  354. //New expired time - it is due to the possible closure of session
  355. $new_expired_time_in_seconds = api_strtotime($expired_time_of_this_attempt, 'UTC') - api_strtotime($last_attempt_date,'UTC');
  356. if ($debug) {error_log('7.7. $new_expired_time_in_seconds: '.$new_expired_time_in_seconds); }
  357. $expected_time = $current_timestamp + $new_expired_time_in_seconds;
  358. if ($debug) {error_log('7.8. $expected_time1: '.$expected_time); }
  359. $clock_expired_time = api_get_utc_datetime($expected_time);
  360. if ($debug) {error_log('7.9. $clock_expired_time: '.$clock_expired_time); }
  361. // First we update the attempt to today
  362. /* How the expired time is changed into "track_e_exercises" table,
  363. then the last attempt for this student should be changed too */
  364. $sql = "UPDATE $exercise_attempt_table SET
  365. tms = '".api_get_utc_datetime()."'
  366. WHERE
  367. exe_id = '".$exercise_stat_info['exe_id']."' AND
  368. tms = '".$last_attempt_date."' ";
  369. if ($debug) {error_log('7.10. $sql: '.$sql); }
  370. Database::query($sql);
  371. //Sessions that contain the expired time
  372. $_SESSION['expired_time'][$current_expired_time_key] = $clock_expired_time;
  373. if ($debug) {error_log('7.11. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
  374. }
  375. } else {
  376. $clock_expired_time = $_SESSION['expired_time'][$current_expired_time_key];
  377. }
  378. } else {
  379. if ($debug) { error_log("7 No time control"); };
  380. }
  381. // Get time left for expiring time
  382. $time_left = api_strtotime($clock_expired_time,'UTC') - time();
  383. /*
  384. * The time control feature is enable here - this feature is enable for a jquery plugin called epiclock
  385. * for more details of how it works see this link : http://eric.garside.name/docs.html?p=epiclock
  386. */
  387. if ($time_control) { //Sends the exercise form when the expired time is finished
  388. $htmlHeadXtra[] = $objExercise->show_time_control_js($time_left);
  389. }
  390. // if the user has submitted the form
  391. $exercise_title = $objExercise->selectTitle();
  392. $exercise_sound = $objExercise->selectSound();
  393. //in LP's is enabled the "remember question" feature?
  394. if (!isset($_SESSION['questionList'])) {
  395. // selects the list of question ID
  396. $questionList = $objExercise->get_validated_question_list();
  397. if ($objExercise->isRandom() && !empty($exercise_stat_info['data_tracking'])) {
  398. $questionList = explode(',', $exercise_stat_info['data_tracking']);
  399. }
  400. Session::write('questionList', $questionList);
  401. if ($debug > 0) { error_log('$_SESSION[questionList] was set'); }
  402. } else {
  403. if (isset($objExercise) && isset($_SESSION['objExercise'])) {
  404. $questionList = $_SESSION['questionList'];
  405. }
  406. }
  407. if ($debug) error_log('8. Question list loaded '.print_r($questionList, 1));
  408. //Real question count
  409. $question_count = 0;
  410. if (!empty($questionList)) {
  411. $question_count = count($questionList);
  412. }
  413. if ($current_question > $question_count) {
  414. $current_question = 0;
  415. }
  416. if ($formSent && isset($_POST)) {
  417. if ($debug) { error_log('9. $formSent was set'); }
  418. // Initializing
  419. if (!is_array($exerciseResult)) {
  420. $exerciseResult = array();
  421. $exerciseResultCoordinates = array();
  422. }
  423. //Only for hotspot
  424. if (!isset($choice) && isset($_REQUEST['hidden_hotspot_id'])) {
  425. $hotspot_id = (int)($_REQUEST['hidden_hotspot_id']);
  426. $choice = array($hotspot_id => '');
  427. }
  428. // if the user has answered at least one question
  429. if (is_array($choice)) {
  430. if ($debug) { error_log('9.1. $choice is an array '.print_r($choice, 1)); }
  431. // Also store hotspot spots in the session ($exerciseResultCoordinates
  432. // will be stored in the session at the end of this script)
  433. if (isset($_POST['hotspot'])) {
  434. $exerciseResultCoordinates = $_POST['hotspot'];
  435. if ($debug) { error_log('9.2. $_POST[hotspot] data '.print_r($exerciseResultCoordinates, 1)); }
  436. }
  437. if ($objExercise->type == ALL_ON_ONE_PAGE) {
  438. // $exerciseResult receives the content of the form.
  439. // Each choice of the student is stored into the array $choice
  440. $exerciseResult = $choice;
  441. } else {
  442. // gets the question ID from $choice. It is the key of the array
  443. list ($key) = array_keys($choice);
  444. // if the user didn't already answer this question
  445. if (!isset($exerciseResult[$key])) {
  446. // stores the user answer into the array
  447. $exerciseResult[$key] = $choice[$key];
  448. //saving each question
  449. if ($objExercise->feedback_type != EXERCISE_FEEDBACK_TYPE_DIRECT) {
  450. $nro_question = $current_question; // - 1;
  451. $questionId = $key;
  452. // gets the student choice for this question
  453. $choice = $exerciseResult[$questionId];
  454. if (isset($exe_id)) {
  455. // Manage the question and answer attempts
  456. if ($debug) {
  457. error_log('8.3. manage_answer exe_id: '.$exe_id.' - $questionId: '.$questionId.' Choice'.print_r($choice,1));
  458. }
  459. $objExercise->manage_answer(
  460. $exe_id,
  461. $questionId,
  462. $choice,
  463. 'exercise_show',
  464. $exerciseResultCoordinates,
  465. true,
  466. false,
  467. false,
  468. $objExercise->propagate_neg,
  469. array()
  470. );
  471. }
  472. //END of saving and qualifying
  473. }
  474. }
  475. }
  476. if ($debug) { error_log('9.3. $choice is an array - end'); }
  477. if ($debug) { error_log('9.4. $exerciseResult '.print_r($exerciseResult,1)); }
  478. }
  479. // the script "exercise_result.php" will take the variable $exerciseResult from the session
  480. Session::write('exerciseResult', $exerciseResult);
  481. Session::write('remind_list', $remind_list);
  482. Session::write('exerciseResultCoordinates',$exerciseResultCoordinates);
  483. // if all questions on one page OR if it is the last question (only for an exercise with one question per page)
  484. if ($objExercise->type == ALL_ON_ONE_PAGE || $current_question >= $question_count) {
  485. if (api_is_allowed_to_session_edit()) {
  486. // goes to the script that will show the result of the exercise
  487. if ($objExercise->type == ALL_ON_ONE_PAGE) {
  488. if ($debug) { error_log('10. Exercise ALL_ON_ONE_PAGE -> Redirecting to exercise_result.php'); }
  489. //We check if the user attempts before sending to the exercise_result.php
  490. if ($objExercise->selectAttempts() > 0) {
  491. $attempt_count = Event::get_attempt_count(
  492. api_get_user_id(),
  493. $exerciseId,
  494. $learnpath_id,
  495. $learnpath_item_id,
  496. $learnpath_item_view_id
  497. );
  498. if ($attempt_count >= $objExercise->selectAttempts()) {
  499. Display :: display_warning_message(
  500. sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()),
  501. false
  502. );
  503. if ($origin != 'learnpath') {
  504. //so we are not in learnpath tool
  505. echo '</div>'; //End glossary div
  506. Display :: display_footer();
  507. } else {
  508. echo '</body></html>';
  509. }
  510. }
  511. }
  512. header("Location: exercise_result.php?".api_get_cidreq()."&exe_id=$exe_id&origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id&learnpath_item_view_id=$learnpath_item_view_id");
  513. exit;
  514. } else {
  515. if ($debug) { error_log('10. Redirecting to exercise_show.php'); }
  516. header("Location: exercise_result.php?".api_get_cidreq()."&exe_id=$exe_id&origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id&learnpath_item_view_id=$learnpath_item_view_id");
  517. exit;
  518. }
  519. } else {
  520. if ($debug) { error_log('10. Redirecting to exercise_submit.php'); }
  521. header("Location: exercise_submit.php?".api_get_cidreq()."&exerciseId=$exerciseId&origin=$origin");
  522. exit;
  523. }
  524. }
  525. if ($debug) { error_log('11. $formSent was set - end'); }
  526. } else {
  527. if ($debug) { error_log('9. $formSent was NOT sent'); }
  528. }
  529. // If questionNum comes from POST and not from GET
  530. $latestQuestionId = Event::getLatestQuestionIdFromAttempt($exe_id);
  531. if (is_null($current_question)) {
  532. $current_question = 1;
  533. if ($latestQuestionId) {
  534. $current_question = $objExercise->getPositionInCompressedQuestionList($latestQuestionId);
  535. }
  536. } else {
  537. $current_question++;
  538. }
  539. if ($question_count != 0) {
  540. if (($objExercise->type == ALL_ON_ONE_PAGE ||
  541. $current_question > $question_count)
  542. ) {
  543. if (api_is_allowed_to_session_edit()) {
  544. // goes to the script that will show the result of the exercise
  545. if ($objExercise->type == ALL_ON_ONE_PAGE) {
  546. if ($debug) { error_log('12. Exercise ALL_ON_ONE_PAGE -> Redirecting to exercise_result.php'); }
  547. //We check if the user attempts before sending to the exercise_result.php
  548. if ($objExercise->selectAttempts() > 0) {
  549. $attempt_count = Event::get_attempt_count(
  550. api_get_user_id(),
  551. $exerciseId,
  552. $learnpath_id,
  553. $learnpath_item_id,
  554. $learnpath_item_view_id
  555. );
  556. if ($attempt_count >= $objExercise->selectAttempts()) {
  557. Display :: display_warning_message(
  558. sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()),
  559. false
  560. );
  561. if ($origin != 'learnpath') {
  562. //so we are not in learnpath tool
  563. echo '</div>'; //End glossary div
  564. Display :: display_footer();
  565. } else {
  566. echo '</body></html>';
  567. }
  568. exit;
  569. }
  570. }
  571. } else {
  572. if ($objExercise->review_answers) {
  573. header('Location: exercise_reminder.php?'.$params);
  574. exit;
  575. } else {
  576. header("Location: exercise_result.php?".api_get_cidreq()."&exe_id=$exe_id&origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id&learnpath_item_view_id=$learnpath_item_view_id");
  577. exit;
  578. }
  579. }
  580. } else {
  581. if ($debug) { error_log('Redirecting to exercise_submit.php'); }
  582. exit;
  583. }
  584. }
  585. } else {
  586. $error = get_lang('ThereAreNoQuestionsForThisExercise');
  587. // if we are in the case where user select random by category, but didn't choose the number of random question
  588. if ($objExercise->selectRandomByCat() > 0 && $objExercise->random <= 0) {
  589. $error .= "<br/>".get_lang('PleaseSelectSomeRandomQuestion');
  590. }
  591. }
  592. if (!empty ($_GET['gradebook']) && $_GET['gradebook'] == 'view') {
  593. $_SESSION['gradebook'] = Security :: remove_XSS($_GET['gradebook']);
  594. $gradebook = $_SESSION['gradebook'];
  595. } elseif (empty ($_GET['gradebook'])) {
  596. unset ($_SESSION['gradebook']);
  597. $gradebook = '';
  598. }
  599. if (!empty ($gradebook) && $gradebook == 'view') {
  600. $interbreadcrumb[] = array ('url' => '../gradebook/' . Security::remove_XSS($_SESSION['gradebook_dest']),'name' => get_lang('ToolGradebook'));
  601. }
  602. $interbreadcrumb[] = array ("url" => "exercise.php?".api_get_cidreq(), "name" => get_lang('Exercises'));
  603. $interbreadcrumb[] = array ("url" => "#", "name" => $objExercise->name);
  604. if ($origin != 'learnpath') { //so we are not in learnpath tool
  605. Display :: display_header(null,'Exercises');
  606. if (!api_is_allowed_to_session_edit() ) {
  607. Display :: display_warning_message(get_lang('SessionIsReadOnly'));
  608. }
  609. } else {
  610. $htmlHeadXtra[] = "
  611. <style>
  612. body { background: none;}
  613. </style>
  614. ";
  615. Display::display_reduced_header();
  616. echo '<div style="height:10px">&nbsp;</div>';
  617. }
  618. $show_quiz_edition = $objExercise->added_in_lp();
  619. // I'm in a preview mode
  620. if (api_is_course_admin() && $origin != 'learnpath') {
  621. echo '<div class="actions">';
  622. if ($show_quiz_edition == false) {
  623. echo '<a href="exercise_admin.php?' . api_get_cidreq() . '&modifyExercise=yes&exerciseId=' . $objExercise->id . '">'.Display :: return_icon('settings.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
  624. } else {
  625. echo '<a href="#">'.Display::return_icon('settings_na.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
  626. }
  627. echo '</div>';
  628. }
  629. $is_visible_return = $objExercise->is_visible(
  630. $learnpath_id,
  631. $learnpath_item_id,
  632. $learnpath_item_view_id
  633. );
  634. if ($is_visible_return['value'] == false) {
  635. echo $is_visible_return['message'];
  636. if ($origin != 'learnpath') {
  637. Display :: display_footer();
  638. }
  639. exit;
  640. }
  641. $limit_time_exists = (!empty($objExercise->start_time) || !empty($objExercise->end_time)) ? true : false;
  642. if ($limit_time_exists) {
  643. $exercise_start_time = api_strtotime($objExercise->start_time, 'UTC');
  644. $exercise_end_time = api_strtotime($objExercise->end_time, 'UTC');
  645. $time_now = time();
  646. if (!empty($objExercise->start_time)) {
  647. $permission_to_start = (($time_now - $exercise_start_time) > 0) ? true : false;
  648. } else {
  649. $permission_to_start = true;
  650. }
  651. if ($_SERVER['REQUEST_METHOD'] != 'POST') {
  652. if (!empty($objExercise->end_time)) {
  653. $exercise_timeover = (($time_now - $exercise_end_time) > 0) ? true : false;
  654. } else {
  655. $exercise_timeover = false;
  656. }
  657. }
  658. if (!$permission_to_start || $exercise_timeover) {
  659. if (!api_is_allowed_to_edit(null,true)) {
  660. $message_warning = $permission_to_start ? get_lang('ReachedTimeLimit') : get_lang('ExerciseNoStartedYet');
  661. Display :: display_warning_message(sprintf($message_warning, $exercise_title, $objExercise->selectAttempts()));
  662. if ($origin != 'learnpath') {
  663. Display :: display_footer();
  664. }
  665. exit;
  666. } else {
  667. $message_warning = $permission_to_start ? get_lang('ReachedTimeLimitAdmin') : get_lang('ExerciseNoStartedAdmin');
  668. Display :: display_warning_message(sprintf($message_warning, $exercise_title, $objExercise->selectAttempts()));
  669. }
  670. }
  671. }
  672. // Blocking empty start times see BT#2800
  673. global $_custom;
  674. if (isset($_custom['exercises_hidden_when_no_start_date']) &&
  675. $_custom['exercises_hidden_when_no_start_date']
  676. ) {
  677. if (empty($objExercise->start_time)) {
  678. Display:: display_warning_message(
  679. sprintf(
  680. get_lang('ExerciseNoStartedYet'),
  681. $exercise_title,
  682. $objExercise->selectAttempts()
  683. )
  684. );
  685. if ($origin != 'learnpath') {
  686. Display :: display_footer();
  687. }
  688. }
  689. }
  690. //Timer control
  691. if ($time_control) {
  692. echo $objExercise->return_time_left_div();
  693. echo '<div style="display:none" class="warning-message" id="expired-message-id">'.get_lang('ExerciseExpiredTimeMessage').'</div>';
  694. }
  695. if ($origin != 'learnpath') {
  696. echo '<div id="highlight-plugin" class="glossary-content">';
  697. }
  698. if ($reminder == 2) {
  699. if ($debug) { error_log(' $reminder == 2'); }
  700. $data_tracking = $exercise_stat_info['data_tracking'];
  701. $data_tracking = explode(',', $data_tracking);
  702. $current_question = 1; //set by default the 1st question
  703. if (!empty($my_remind_list)) {
  704. //Checking which questions we are going to call from the remind list
  705. for ($i = 0; $i < count($data_tracking); $i++) {
  706. for($j = 0; $j < count($my_remind_list); $j++) {
  707. if (!empty($remind_question_id)) {
  708. if ($remind_question_id == $my_remind_list[$j]) {
  709. if ($remind_question_id == $data_tracking[$i]) {
  710. if (isset($my_remind_list[$j+1])) {
  711. $remind_question_id = $my_remind_list[$j+1];
  712. $current_question = $i + 1;
  713. } else {
  714. // We end the remind list we go to the exercise_reminder.php please
  715. $remind_question_id = -1;
  716. $current_question = $i + 1; // last question
  717. }
  718. break 2;
  719. }
  720. }
  721. } else {
  722. if ($my_remind_list[$j] == $data_tracking[$i]) {
  723. if (isset($my_remind_list[$j+1])) {
  724. $remind_question_id = $my_remind_list[$j+1];
  725. $current_question = $i + 1; // last question
  726. } else {
  727. // We end the remind list we go to the exercise_reminder.php please
  728. $remind_question_id = -1;
  729. $current_question = $i + 1; // last question
  730. }
  731. break 2;
  732. }
  733. }
  734. }
  735. }
  736. } else {
  737. if ($objExercise->review_answers) {
  738. if ($debug) { error_log('. redirecting to exercise_reminder.php '); }
  739. header("Location: exercise_reminder.php?$params");
  740. exit;
  741. }
  742. }
  743. }
  744. if ($objExercise->review_answers) {
  745. $script_php = 'exercise_reminder.php';
  746. } else {
  747. $script_php = 'exercise_result.php';
  748. }
  749. if (!empty($error)) {
  750. Display :: display_error_message($error, false);
  751. } else {
  752. if (!empty ($exercise_sound)) {
  753. echo "<a href=\"../document/download.php?doc_url=%2Faudio%2F" . Security::remove_XSS($exercise_sound) . "\" target=\"_blank\">", "<img src=\"../img/sound.gif\" border=\"0\" align=\"absmiddle\" alt=", get_lang('Sound') . "\" /></a>";
  754. }
  755. // Get number of hotspot questions for javascript validation
  756. $number_of_hotspot_questions = 0;
  757. $onsubmit = '';
  758. $i = 0;
  759. if (!empty($questionList)) {
  760. foreach ($questionList as $questionId) {
  761. $i++;
  762. $objQuestionTmp = Question::read($questionId);
  763. // for sequential exercises
  764. if ($objExercise->type == ONE_PER_PAGE) {
  765. // if it is not the right question, goes to the next loop iteration
  766. if ($current_question != $i) {
  767. continue;
  768. } else {
  769. if ($objQuestionTmp->selectType() == HOT_SPOT || $objQuestionTmp->selectType() == HOT_SPOT_DELINEATION) {
  770. $number_of_hotspot_questions++;
  771. }
  772. break;
  773. }
  774. } else {
  775. if ($objQuestionTmp->selectType() == HOT_SPOT || $objQuestionTmp->selectType() == HOT_SPOT_DELINEATION) {
  776. $number_of_hotspot_questions++;
  777. }
  778. }
  779. }
  780. }
  781. if ($number_of_hotspot_questions > 0) {
  782. $onsubmit = "onsubmit=\"return validateFlashVar('" . $number_of_hotspot_questions . "', '" . get_lang('HotspotValidateError1') . "', '" . get_lang('HotspotValidateError2') . "');\"";
  783. }
  784. echo '<script>
  785. $(function() {
  786. //This pre-load the save.png icon
  787. var saveImage = new Image();
  788. saveImage.src = \'' . Display::return_icon(
  789. 'save.png',
  790. get_lang('Saved'),
  791. array(),
  792. ICON_SIZE_SMALL,
  793. false,
  794. true
  795. ) . '\';
  796. // Block form submition on enter
  797. $(".block_on_enter").keypress(function(event) {
  798. return event.keyCode != 13;
  799. });
  800. $(".main_question").mouseover(function() {
  801. //$(this).find(".exercise_save_now_button").show();
  802. //$(this).addClass("question_highlight");
  803. });
  804. $(".main_question").mouseout(function() {
  805. //$(this).find(".exercise_save_now_button").hide();
  806. $(this).removeClass("question_highlight");
  807. });
  808. $(".no_remind_highlight").hide();
  809. // if the users validates the form using return key, prevent form action and simulates click on validation button
  810. /*$("#exercise_form").submit(function(){
  811. $(".question-validate-btn").first().trigger("click");
  812. return false;
  813. });*/
  814. $(\'form#exercise_form\').prepend($(\'#exercise-description\'));
  815. });
  816. function previous_question(question_num) {
  817. url = "exercise_submit.php?'.$params.'&num="+question_num;
  818. window.location = url;
  819. }
  820. function previous_question_and_save(previous_question_id, question_id_to_save) {
  821. url = "exercise_submit.php?'.$params.'&num="+previous_question_id;
  822. //Save the current question
  823. save_now(question_id_to_save, url);
  824. }
  825. function save_question_list(question_list) {
  826. $.each(question_list, function(key, question_id) {
  827. save_now(question_id, null, false);
  828. });
  829. var url = "";
  830. if ('.$reminder.' == 1 ) {
  831. url = "exercise_reminder.php?'.$params.'&num='.$current_question.'";
  832. } else if ('.$reminder.' == 2 ) {
  833. url = "exercise_submit.php?'.$params.'&num='.$current_question.'&remind_question_id='.$remind_question_id.'&reminder=2";
  834. } else {
  835. url = "exercise_submit.php?'.$params.'&num='.$current_question.'&remind_question_id='.$remind_question_id.'";
  836. }
  837. //$("#save_for_now_"+question_id).html(\'' . Display::return_icon('save.png', get_lang('Saved'), array(), ICON_SIZE_SMALL) . '\');
  838. window.location = url;
  839. }
  840. function save_now(question_id, url_extra) {
  841. //1. Normal choice inputs
  842. var my_choice = $(\'*[name*="choice[\'+question_id+\']"]\').serialize();
  843. //2. Reminder checkbox
  844. var remind_list = $(\'*[name*="remind_list"]\').serialize();
  845. //3. Hotspots
  846. var hotspot = $(\'*[name*="hotspot[\'+question_id+\']"]\').serialize();
  847. // Checking FCK
  848. if (question_id) {
  849. if (CKEDITOR.instances["choice["+question_id+"]"]) {
  850. var ckContent = CKEDITOR.instances["choice["+question_id+"]"].getData();
  851. my_choice = {};
  852. my_choice["choice["+question_id+"]"] = ckContent;
  853. my_choice = $.param(my_choice);
  854. }
  855. }
  856. if ($(\'input[name="remind_list[\'+question_id+\']"]\').is(\':checked\')) {
  857. $("#question_div_"+question_id).addClass("remind_highlight");
  858. } else {
  859. $("#question_div_"+question_id).removeClass("remind_highlight");
  860. }
  861. // Only for the first time
  862. $("#save_for_now_"+question_id).html(\'' . Display::returnFontAwesomeIcon('spinner', null, true, 'fa-spin') . '\');
  863. $.ajax({
  864. type:"post",
  865. async: false,
  866. url: "'.api_get_path(WEB_AJAX_PATH).'exercise.ajax.php?'.api_get_cidreq().'&a=save_exercise_by_now",
  867. data: "'.$params.'&type=simple&question_id="+question_id+"&"+my_choice+"&"+hotspot+"&"+remind_list,
  868. success: function(return_value) {
  869. if (return_value == "ok") {
  870. $("#save_for_now_"+question_id).html(\'' . Display::return_icon('save.png', get_lang('Saved'), array(), ICON_SIZE_SMALL) . '\');
  871. } else if (return_value == "error") {
  872. $("#save_for_now_"+question_id).html(\'' . Display::return_icon('error.png', get_lang('Error'), array(), ICON_SIZE_SMALL) . '\');
  873. } else if (return_value == "one_per_page") {
  874. var url = "";
  875. if ('.$reminder.' == 1 ) {
  876. url = "exercise_reminder.php?'.$params.'&num='.$current_question.'";
  877. } else if ('.$reminder.' == 2 ) {
  878. url = "exercise_submit.php?'.$params.'&num='.$current_question.'&remind_question_id='.$remind_question_id.'&reminder=2";
  879. } else {
  880. url = "exercise_submit.php?'.$params.'&num='.$current_question.'&remind_question_id='.$remind_question_id.'";
  881. }
  882. if (url_extra) {
  883. url = url_extra;
  884. }
  885. $("#save_for_now_"+question_id).html(\'' . Display::return_icon('save.png', get_lang('Saved'), array(), ICON_SIZE_SMALL) . '\');
  886. window.location = url;
  887. }
  888. },
  889. error: function() {
  890. $("#save_for_now_"+question_id).html(\'' . Display::return_icon('error.png', get_lang('Error'), array(), ICON_SIZE_SMALL) . '\');
  891. }
  892. });
  893. return false;
  894. }
  895. function save_now_all(validate) {
  896. // 1. Input choice.
  897. var my_choice = $(\'*[name*="choice"]\').serialize();
  898. // 2. Reminder.
  899. var remind_list = $(\'*[name*="remind_list"]\').serialize();
  900. // 3. Hotspots.
  901. var hotspot = $(\'*[name*="hotspot"]\').serialize();
  902. // Question list.
  903. var question_list = ['.implode(',', $questionList).'];
  904. var free_answers = {};
  905. $.each(question_list, function(index, my_question_id) {
  906. // Checking FCK
  907. if (my_question_id) {
  908. if (CKEDITOR.instances["choice["+my_question_id+"]"]) {
  909. var ckContent = CKEDITOR.instances["choice["+my_question_id+"]"].getData();
  910. free_answers["free_choice["+my_question_id+"]"] = ckContent;
  911. }
  912. }
  913. });
  914. free_answers = $.param(free_answers);
  915. $("#save_all_reponse").html(\'' . Display::returnFontAwesomeIcon('spinner', null, true, 'fa-spin') . '\');
  916. $.ajax({
  917. type:"post",
  918. async: false,
  919. url: "'.api_get_path(WEB_AJAX_PATH).'exercise.ajax.php?'.api_get_cidreq().'&a=save_exercise_by_now",
  920. data: "'.$params.'&type=all&"+my_choice+"&"+hotspot+"&"+free_answers+"&"+remind_list,
  921. success: function(return_value) {
  922. if (return_value == "ok") {
  923. //$("#save_all_reponse").html(\'' . Display::return_icon('accept.png') . '\');
  924. if (validate == "validate") {
  925. window.location = "'.$script_php.'?'.$params.'";
  926. } else {
  927. $("#save_all_reponse").html(\'' . Display::return_icon('accept.png') . '\');
  928. }
  929. } else {
  930. $("#save_all_reponse").html(\'' . Display::return_icon('wrong.gif') . '\');
  931. }
  932. }
  933. });
  934. return false;
  935. }
  936. function validate_all() {
  937. save_now_all("validate");
  938. return false;
  939. }
  940. </script>';
  941. echo '<form id="exercise_form" method="post" action="'.api_get_self().'?'.api_get_cidreq().'&autocomplete=off&&exerciseId='.$exerciseId .'" name="frm_exercise" '.$onsubmit.'>
  942. <input type="hidden" name="formSent" value="1" />
  943. <input type="hidden" name="exerciseId" value="'.$exerciseId . '" />
  944. <input type="hidden" name="num" value="'.$current_question.'" id="num_current_id" />
  945. <input type="hidden" name="num_answer" value="'.$currentAnswer.'" id="num_current_answer_id" />
  946. <input type="hidden" name="exe_id" value="'.$exe_id . '" />
  947. <input type="hidden" name="origin" value="'.$origin . '" />
  948. <input type="hidden" name="learnpath_id" value="'.$learnpath_id . '" />
  949. <input type="hidden" name="learnpath_item_id" value="'.$learnpath_item_id . '" />
  950. <input type="hidden" name="learnpath_item_view_id" value="'.$learnpath_item_view_id . '" />';
  951. // Show list of questions
  952. $i = 1;
  953. $attempt_list = array();
  954. if (isset($exe_id)) {
  955. $attempt_list = Event::getAllExerciseEventByExeId($exe_id);
  956. }
  957. $remind_list = array();
  958. if (isset($exercise_stat_info['questions_to_check']) && !empty($exercise_stat_info['questions_to_check'])) {
  959. $remind_list = explode(',', $exercise_stat_info['questions_to_check']);
  960. }
  961. foreach ($questionList as $questionId) {
  962. // for sequential exercises
  963. if ($objExercise->type == ONE_PER_PAGE) {
  964. // if it is not the right question, goes to the next loop iteration
  965. if ($current_question != $i) {
  966. $i++;
  967. continue;
  968. } else {
  969. if ($objExercise->feedback_type != EXERCISE_FEEDBACK_TYPE_DIRECT) {
  970. // if the user has already answered this question
  971. if (isset($exerciseResult[$questionId])) {
  972. // construction of the Question object
  973. $objQuestionTmp = Question::read($questionId);
  974. $questionName = $objQuestionTmp->selectTitle();
  975. // destruction of the Question object
  976. unset ($objQuestionTmp);
  977. Display :: display_normal_message(get_lang('AlreadyAnswered'));
  978. $i++;
  979. break;
  980. }
  981. }
  982. }
  983. }
  984. $user_choice = null;
  985. if (isset($attempt_list[$questionId])) {
  986. $user_choice = $attempt_list[$questionId];
  987. } elseif ($objExercise->saveCorrectAnswers) {
  988. $correctAnswers = $objExercise->getCorrectAnswersInAllAttempts($learnpath_id, $learnpath_item_id);
  989. if (isset($correctAnswers[$questionId])) {
  990. $user_choice = $correctAnswers[$questionId];
  991. }
  992. }
  993. $remind_highlight = '';
  994. //Hides questions when reviewing a ALL_ON_ONE_PAGE exercise see #4542 no_remind_highlight class hide with jquery
  995. if ($objExercise->type == ALL_ON_ONE_PAGE && isset($_GET['reminder']) && $_GET['reminder'] == 2) {
  996. $remind_highlight = 'no_remind_highlight';
  997. }
  998. $exercise_actions = '';
  999. $is_remind_on = false;
  1000. $attributes = array('id' =>'remind_list['.$questionId.']');
  1001. if (in_array($questionId, $remind_list)) {
  1002. $is_remind_on = true;
  1003. $attributes['checked'] = 1;
  1004. $remind_question = true;
  1005. $remind_highlight = ' remind_highlight ';
  1006. }
  1007. // Showing the exercise description
  1008. if (!empty($objExercise->description)) {
  1009. if ($objExercise->type == ONE_PER_PAGE ||
  1010. ($objExercise->type != ONE_PER_PAGE && $i==1)
  1011. ) {
  1012. $open = false;
  1013. if ($objExercise->type != ONE_PER_PAGE) {
  1014. $open = true;
  1015. }
  1016. echo Display::panelCollapse('<span>'.
  1017. get_lang('ExerciseDescriptionLabel').'</span>',
  1018. $objExercise->description,
  1019. 'exercise-description',
  1020. [],
  1021. 'description',
  1022. 'exercise-collapse',
  1023. $open,
  1024. true
  1025. );
  1026. }
  1027. }
  1028. echo '<div id="question_div_'.$questionId.'" class="main-question '.$remind_highlight.'" >';
  1029. // Shows the question and its answers
  1030. ExerciseLib::showQuestion(
  1031. $questionId,
  1032. false,
  1033. $origin,
  1034. $i,
  1035. $objExercise->getHideQuestionTitle() ? false : true,
  1036. false,
  1037. $user_choice,
  1038. false,
  1039. null,
  1040. false,
  1041. true
  1042. );
  1043. // Button save and continue
  1044. switch ($objExercise->type) {
  1045. case ONE_PER_PAGE:
  1046. $exercise_actions .= $objExercise->show_button($questionId, $current_question);
  1047. break;
  1048. case ALL_ON_ONE_PAGE :
  1049. $button = '<a href="javascript://" class="btn btn-info" onclick="save_now(\''.$questionId.'\'); ">'.get_lang('SaveForNow').'</a>';
  1050. $button .= '<span id="save_for_now_'.$questionId.'"></span>&nbsp;';
  1051. $exercise_actions .= Display::div($button, array('class'=>'exercise_save_now_button'));
  1052. break;
  1053. }
  1054. // Checkbox review answers
  1055. if ($objExercise->review_answers) {
  1056. $remind_question_div = Display::tag(
  1057. 'label',
  1058. Display::input(
  1059. 'checkbox',
  1060. 'remind_list[' . $questionId . ']',
  1061. '',
  1062. $attributes
  1063. ) . get_lang('ReviewQuestionLater'),
  1064. array(
  1065. 'class' => 'checkbox',
  1066. 'for' => 'remind_list[' . $questionId . ']'
  1067. )
  1068. );
  1069. $exercise_actions .= Display::div($remind_question_div, array('class'=>'exercise_save_now_button'));
  1070. }
  1071. echo Display::div($exercise_actions, array('class'=>'form-actions'));
  1072. echo '</div>';
  1073. $i++;
  1074. // for sequential exercises
  1075. if ($objExercise->type == ONE_PER_PAGE) {
  1076. // quits the loop
  1077. break;
  1078. }
  1079. }
  1080. // end foreach()
  1081. if ($objExercise->type == ALL_ON_ONE_PAGE) {
  1082. $exercise_actions = $objExercise->show_button($questionId, $current_question);
  1083. echo Display::div($exercise_actions, array('class'=>'exercise_actions'));
  1084. echo '<br>';
  1085. }
  1086. echo '</form>';
  1087. }
  1088. if ($origin != 'learnpath') {
  1089. // So we are not in learnpath tool
  1090. echo '</div>'; //End glossary div
  1091. }
  1092. Display :: display_footer();