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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Exercise submission
- * This script allows to run an exercise. According to the exercise type, questions
- * can be on an unique page, or one per page with a Next button.
- *
- * One exercise may contain different types of answers (unique or multiple selection,
- * matching, fill in blanks, free answer, hot-spot).
- *
- * Questions are selected randomly or not.
- *
- * When the user has answered all questions and clicks on the button "Ok",
- * it goes to exercise_result.php
- *
- * Notice : This script is also used to show a question before modifying it by
- * the administrator
- * @package chamilo.exercise
- * @author Olivier Brouckaert
- * @author Julio Montoya multiple fill in blank option added (2008) and Cleaning exercises (2010), Adding hotspot delineation support (2011)
- */
- require_once 'exercise.class.php';
- require_once 'question.class.php';
- require_once 'answer.class.php';
- require_once 'exercise.lib.php';
- //$debug = 1; //debug value is set in the exercise.class.php file
- // name of the language file that needs to be included
- $language_file = 'exercice';
- require_once '../inc/global.inc.php';
- $this_section = SECTION_COURSES;
- if($debug) { error_log('Entered exercise_submit.php: '.print_r($_POST,1)); }
- // Notice for unauthorized people.
- api_protect_course_script(true);
- $is_allowedToEdit = api_is_allowed_to_edit(null,true);
- if (api_get_setting('show_glossary_in_extra_tools') == 'true') {
- $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/glossary.js" type="text/javascript" language="javascript"></script>'; //Glossary
- $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.highlight.js" type="text/javascript" language="javascript"></script>';
- }
- //@todo we should only enable this when there is a time control
- //This library is necessary for the time control feature
- $htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.epiclock.min.js" type="text/javascript" language="javascript"></script>'; //jQuery
- $_configuration['live_exercise_tracking'] = true;
- $stat_table = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $exercice_attemp_table = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $TBL_EXERCICE_QUESTION = Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $TBL_EXERCICES = Database :: get_course_table(TABLE_QUIZ_TEST);
- $TBL_QUESTIONS = Database :: get_course_table(TABLE_QUIZ_QUESTION);
- $TBL_REPONSES = Database :: get_course_table(TABLE_QUIZ_ANSWER);
- // General parameters passed via POST/GET
- if (empty ($origin)) {
- $origin = Security::remove_XSS($_REQUEST['origin']);
- }
- if (empty ($learnpath_id)) {
- $learnpath_id = intval($_REQUEST['learnpath_id']);
- }
- if (empty ($learnpath_item_id)) {
- $learnpath_item_id = intval($_REQUEST['learnpath_item_id']);
- }
- if (empty ($learnpath_item_view_id)) {
- $learnpath_item_view_id = intval($_REQUEST['learnpath_item_view_id']);
- }
- if (empty ($formSent)) {
- $formSent = $_REQUEST['formSent'];
- }
- if (empty ($exerciseResult)) {
- $exerciseResult = $_REQUEST['exerciseResult'];
- }
- if (empty ($exerciseResultCoordinates)) {
- $exerciseResultCoordinates = $_REQUEST['exerciseResultCoordinates'];
- }
- if (empty ($exerciseType)) {
- $exerciseType = $_REQUEST['exerciseType'];
- }
- if (empty ($exerciseId)) {
- $exerciseId = intval($_REQUEST['exerciseId']);
- }
- if (empty ($choice)) {
- $choice = $_REQUEST['choice'];
- }
- if (empty ($_REQUEST['choice'])) {
- $choice = $_REQUEST['choice2'];
- }
- if (empty ($questionNum)) {
- $questionNum = intval($_REQUEST['questionNum']);
- }
- if (empty ($nbrQuestions)) {
- $nbrQuestions = intval($_REQUEST['nbrQuestions']);
- }
- if (empty ($buttonCancel)) {
- $buttonCancel = $_REQUEST['buttonCancel'];
- }
- $error = '';
- // if the user has clicked on the "Cancel" button
- if ($buttonCancel) {
- // returns to the exercise list
- header("Location: exercice.php?origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id&learnpath_item_view_id=$learnpath_item_view_id");
- exit;
- }
- $safe_lp_id = ($learnpath_id == '') ? 0 : $learnpath_id;
- $safe_lp_item_id = ($learnpath_item_id == '') ? 0 : $learnpath_item_id;
- $safe_lp_item_view_id = ($learnpath_item_view_id == '') ? 0 : $learnpath_item_view_id;
- /*
- * Teacher takes an exam and want to see a preview, we delete the objExercise from the session in order to get the latest changes
- in the exercise
- */
- if (api_is_allowed_to_edit(null,true) && $_GET['preview'] == 1 ) {
- api_session_unregister('objExercise');
- }
- // Loading the $objExercise variable
- if (!isset ($_SESSION['objExercise']) || $_SESSION['objExercise']->id != $_REQUEST['exerciseId']) {
- // Construction of Exercise
- $objExercise = new Exercise();
- if ($debug) {error_log('Setting the $objExercise variable'); };
- unset($_SESSION['questionList']);
- // if the specified exercise doesn't exist or is disabled
- if (!$objExercise->read($exerciseId) || (!$objExercise->selectStatus() && !$is_allowedToEdit && ($origin != 'learnpath'))) {
- if ($debug) {error_log('Error while reading the exercise'); };
- unset ($objExercise);
- $error = get_lang('ExerciseNotFound');
- } else {
- // saves the object into the session
- api_session_register('objExercise');
- if ($debug) {error_log('$_SESSION[objExercise] was unset - set now - end'); };
- }
- }
- if (!isset ($objExercise) && isset($_SESSION['objExercise'])) {
- if ($debug) {error_log('Loading $objExercise from session'); };
-
- $objExercise = $_SESSION['objExercise'];
- }
- if (!is_object($objExercise)) {
- if ($debug) {error_log('$objExercise was not set, kill the script'); };
- header('Location: exercice.php');
- exit;
- }
- $exerciseType = $objExercise->type;
- $current_timestamp = time();
- //Getting track exercise info
- $exercise_stat_info = $objExercise->get_stat_track_exercise_info($safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id);
- if ($debug) {error_log('$objExercise->get_stat_track_exercise_info function called:: '.print_r($exercise_stat_info, 1)); };
- /*
- * Time control feature
- * if the expired time is major that zero(0) then the expired time is compute on this time. Disable for learning path
- */
- $time_control = false;
- if ($objExercise->expired_time != 0 && $origin != 'learnpath') {
- $time_control = true;
- }
- if ($time_control) {
- //Get the expired time of the current exercice in track_e_exercices
- $total_seconds = $objExercise->expired_time*60;
- //Generating the time control key
- $current_expired_time_key = generate_time_control_key($objExercise->id);
- if ($debug) {error_log('$current_expired_time_key '.$current_expired_time_key); };
- if (!isset($_SESSION['expired_time'][$current_expired_time_key])) {
- //Timer - Get expired_time for a student
- if (!empty($exercise_stat_info)) {
- if ($debug) {error_log('Seems that the session ends and the user want to retake the exam'); };
- $expired_time_of_this_attempt = $exercise_stat_info['expired_time_control'];
- if ($debug) {error_log('$expired_time_of_this_attempt: '.$expired_time_of_this_attempt); }
- //Get the last attempt of an exercice
- $last_attempt_date = get_last_attempt_date_of_exercise($exercise_stat_info['exe_id']);
-
- //This means that the user enters the exam but do not answer the first question we get the date from the track_e_exercises not from the track_et_attempt see #2069
- if (empty($last_attempt_date)) {
- $diff = $current_timestamp - api_strtotime($exercise_stat_info['start_date'], 'UTC');
- $last_attempt_date = api_get_utc_datetime(api_strtotime($exercise_stat_info['start_date'],'UTC') + $diff);
- } else {
- //Recalculate the time control due #2069
- $diff = $current_timestamp - api_strtotime($last_attempt_date,'UTC');
- $last_attempt_date = api_get_utc_datetime(api_strtotime($last_attempt_date,'UTC') + $diff);
- }
- if ($debug) {error_log('$last_attempt_date: '.$last_attempt_date); }
-
- //New expired time - it is due to the possible closure of session
- $new_expired_time_in_seconds = api_strtotime($expired_time_of_this_attempt, 'UTC') - api_strtotime($last_attempt_date,'UTC');
- if ($debug) {error_log('$new_expired_time_in_seconds: '.$new_expired_time_in_seconds); }
-
- $expected_time = $current_timestamp + $new_expired_time_in_seconds;
- if ($debug) {error_log('$expected_time1: '.$expected_time); }
-
- //$plugin_expired_time = date('M d, Y H:i:s', $expected_time);
- $clock_expired_time = api_get_utc_datetime($expected_time);
- if ($debug) {error_log('$clock_expired_time: '.$clock_expired_time); }
-
- //@todo check this validation with Fasa: With this change the user can log out and login from the system and the counter will not work
- /*
- //We modify the "expired_time_control" field in track_e_exercices for this attempt
- $sql_track_e_exe = "UPDATE $stat_table SET expired_time_control = '".$clock_expired_time."' WHERE exe_id = '".$exercise_stat_info['exe_id']."'";
- if ($debug) {error_log('$sql_track_e_exe1: '.$sql_track_e_exe); }
- Database::query($sql_track_e_exe);
- */
-
- //First we update the attempt to today
- // How the expired time is changed into "track_e_exercices" table,then the last attempt for this student should be changed too,so
- $sql_track_e_exe = "UPDATE $exercice_attemp_table SET tms = '".api_get_utc_datetime()."' WHERE exe_id = '".$exercise_stat_info['exe_id']."' AND tms = '".$last_attempt_date."' ";
- if ($debug) {error_log('$sql_track_e_exe2: '.$sql_track_e_exe); }
- Database::query($sql_track_e_exe);
-
- //Sessions that contain the expired time
- $_SESSION['expired_time'][$current_expired_time_key] = $clock_expired_time;
-
- if ($debug) {error_log('1. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
- } else {
- $expected_time = $current_timestamp + $total_seconds;
- if ($debug) error_log('$current_timestamp '.$current_timestamp);
- if ($debug) error_log('$expected_time '.$expected_time);
- //$expected_time = api_strtotime(api_get_utc_datetime($expected_time));
-
- //$plugin_expired_time = date('M d, Y H:i:s', $expected_time);
- //$clock_expired_time = date('Y-m-d H:i:s', $expected_time);
- $clock_expired_time = api_get_utc_datetime($expected_time);
- if ($debug) error_log('$expected_time '.$clock_expired_time);
- //Sessions that contain the expired time
- $_SESSION['expired_time'][$current_expired_time_key] = $clock_expired_time;
- // $_SESSION['end_expired_time'][$current_expired_time_key] = $plugin_expired_time;
- if ($debug) {error_log('2. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
- //if ($debug) {error_log('2. Setting the $_SESSION[end_expired_time]: '.$_SESSION['end_expired_time'][$current_expired_time_key] ); };
- }
- } else {
- // $plugin_expired_time = $_SESSION['end_expired_time'][$current_expired_time_key];
- $clock_expired_time = $_SESSION['expired_time'][$current_expired_time_key];
- if ($debug) {error_log('Getting the $_SESSION[end_expired_time]: '.$_SESSION['end_expired_time'][$current_expired_time_key] ); };
- }
- }
- // get time left for exipiring time
- //$time_left = api_strtotime($plugin_expired_time) - api_strtotime(api_get_utc_datetime());
- // get time left for exipiring time
- $time_left = api_strtotime($clock_expired_time,'UTC') - time();
- /*
- * The time control feature is enable here - this feature is enable for a jquery plugin called epiclock
- * for more details of how it works see this link : http://eric.garside.name/docs.html?p=epiclock
- */
- if ($time_control) { //Sends the exercice form when the expired time is finished
- $htmlHeadXtra[] = $objExercise->show_time_control_js($time_left);
- }
- if ($_configuration['live_exercise_tracking'] && $objExercise->type == ONE_PER_PAGE && $objExercise->feedbacktype != EXERCISE_FEEDBACK_TYPE_DIRECT) {
- if (!empty($exercise_stat_info)) {
- $exe_id = $exercise_stat_info['exe_id'];
- if ($_SERVER['REQUEST_METHOD'] != 'POST') {
- define('QUESTION_LIST_ALREADY_LOGGED', 1);
- $recorded['questionList'] = explode(',', $exercise_stat_info['data_tracking']);
- $query = 'SELECT * FROM ' . $exercice_attemp_table . ' WHERE exe_id = ' . $exercise_stat_info['exe_id'] . ' ORDER BY tms ASC';
- $result = Database::query($query);
- while ($row = Database :: fetch_array($result,'ASSOC')) {
- $recorded['exerciseResult'][$row['question_id']] = 1;
- }
- $exerciseResult = $_SESSION['exerciseResult'] = $recorded['exerciseResult'];
- $questionNum = count($recorded['exerciseResult']);
- $questionNum++;
- $questionList = $_SESSION['questionList'] = $recorded['questionList'];
- }
- }
- }
- // if the user has submitted the form
- if ($formSent && isset($_POST)) {
- if ($debug > 0) { error_log('$formSent was set'); }
- // Initializing
- if (!is_array($exerciseResult)) {
- $exerciseResult = array ();
- $exerciseResultCoordinates = array();
- }
- //Only for hotspot
- if (!isset($choice) && isset($_REQUEST['hidden_hotspot_id'])) {
- $hotspot_id = (int)($_REQUEST['hidden_hotspot_id']);
- $choice = array($hotspot_id => '');
- }
- // if the user has answered at least one question
- if (is_array($choice)) {
- if ($debug) { error_log('$choice is an array '.print_r($choice, 1)); }
- // Also store hotspot spots in the session ($exerciseResultCoordinates
- // will be stored in the session at the end of this script)
- if (isset ($_POST['hotspot'])) {
- $exerciseResultCoordinates = $_POST['hotspot'];
- if ($debug) { error_log('$_POST[hotspot] data '.print_r($exerciseResultCoordinates, 1)); }
- }
- if ($exerciseType == ALL_ON_ONE_PAGE) {
- // $exerciseResult receives the content of the form.
- // Each choice of the student is stored into the array $choice
- $exerciseResult = $choice;
- } else {
- // gets the question ID from $choice. It is the key of the array
- list ($key) = array_keys($choice);
- // if the user didn't already answer this question
- if (!isset($exerciseResult[$key])) {
- // stores the user answer into the array
- $exerciseResult[$key] = $choice[$key];
- //saving each question
- if ($_configuration['live_exercise_tracking'] && $objExercise->feedbacktype != EXERCISE_FEEDBACK_TYPE_DIRECT) {
- $nro_question = $questionNum; // - 1;
- //START of saving and qualifying each question submitted
- define('ENABLED_LIVE_EXERCISE_TRACKING', 1);
- $questionId = $key;
- // gets the student choice for this question
- $choice = $exerciseResult[$questionId];
- if (isset($exe_id)) {
- //Manage the question and answer attempts
- if ($debug > 0) { error_log('manage_answer exe_id: '.$exe_id.' - $questionId: '.$questionId.' Choice'.print_r($choice,1)); }
- $objExercise->manage_answer($exe_id, $questionId, $choice,'exercise_show',$exerciseResultCoordinates, true, false,false);
- }
- //END of saving and qualifying
- }
- }
- }
- if ($debug > 0) { error_log('$choice is an array - end'); }
- }
- // the script "exercise_result.php" will take the variable $exerciseResult from the session
- api_session_register('exerciseResult');
- api_session_register('exerciseResultCoordinates');
- // if all questions on one page OR if it is the last question (only for an exercise with one question per page)
- if ($exerciseType == ALL_ON_ONE_PAGE || $questionNum >= $nbrQuestions) {
- if (api_is_allowed_to_session_edit()) {
- // goes to the script that will show the result of the exercise
- if ($exerciseType == ALL_ON_ONE_PAGE) {
- if ($debug) { error_log('Exercise ALL_ON_ONE_PAGE -> Redirecting to exercise_result.php'); }
-
- //We check if the user attempts before sending to the exercise_result.php
- if ($objExercise->selectAttempts() > 0) {
- $attempt_count = get_attempt_count(api_get_user_id(), $exerciseId, $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id);
- if ($attempt_count >= $objExercise->selectAttempts()) {
- Display :: display_warning_message(sprintf(get_lang('ReachedMaxAttempts'), $exerciseTitle, $objExercise->selectAttempts()), false);
- if ($origin != 'learnpath') {
- //so we are not in learnpath tool
- echo '</div>'; //End glossary div
- Display :: display_footer();
- } else {
- echo '</body></html>';
- }
- }
- }
- header("Location: exercise_result.php?exerciseType=$exerciseType&origin=$origin&learnpath_id=$safe_lp_id&learnpath_item_id=$safe_lp_item_id&learnpath_item_view_id=$safe_lp_item_view_id");
- exit;
- } else {
- //Time control is only enabled for ONE PER PAGE
- if (!empty($exe_id) && is_numeric($exe_id)) {
- //Verify if the current test is fraudulent
- if (exercise_time_control_is_valid($exerciseId)) {
- $sql_exe_result = "";
- if ($debug) { error_log('exercise_time_control_is_valid is valid'); }
- } else {
- $sql_exe_result = ", exe_result = 0";
- if ($debug) { error_log('exercise_time_control_is_valid is NOT valid then exe_result = 0 '); }
- }
- //Clean incomplete - @todo why setting to blank the status?
- $update_query = "UPDATE $stat_table SET status = '', exe_date = '".api_get_utc_datetime() ."' , orig_lp_item_view_id = '$safe_lp_item_view_id' $sql_exe_result WHERE exe_id = ".$exe_id;
-
- if ($debug) { error_log('Updating track_e_exercises '.$update_query); }
- Database::query($update_query);
- }
- if ($debug) { error_log('Redirecting to exercise_show.php'); }
- header("Location: exercise_show.php?id=$exe_id&exerciseType=$exerciseType&origin=$origin&learnpath_id=$safe_lp_id&learnpath_item_id=$safe_lp_item_id&learnpath_item_view_id=$safe_lp_item_view_id");
- exit;
- }
- } else {
- if ($debug) { error_log('Redirecting to exercise_submit.php'); }
- header("Location: exercise_submit.php?exerciseId=$exerciseId");
- exit;
- }
- }
- if ($debug > 0) { error_log('$formSent was set - end'); }
- }
- $exerciseTitle = $objExercise->selectTitle();
- $exerciseDescription = $objExercise->selectDescription();
- $exerciseSound = $objExercise->selectSound();
- $exerciseType = $objExercise->selectType();
- //if (!isset($_SESSION['questionList']) || $origin == 'learnpath') {
- //in LP's is enabled the "remember question" feature?
- if (!isset($_SESSION['questionList'])) {
- // selects the list of question ID
- $questionList = ($objExercise->isRandom() ? $objExercise->selectRandomList() : $objExercise->selectQuestionList());
- api_session_register('questionList');
- if ($debug > 0) { error_log('$_SESSION[questionList] was set'); }
- }
- if (!isset ($objExercise) && isset ($_SESSION['objExercise'])) {
- $questionList = $_SESSION['questionList'];
- }
- $quizStartTime = time();
- api_session_register('quizStartTime');
- //Real question count
- $nbrQuestions = count($questionList);
- // if questionNum comes from POST and not from GET
- if (!$questionNum || $_POST['questionNum']) {
- // only used for sequential exercises (see $exerciseType)
- if (!$questionNum) {
- $questionNum = 1;
- } else {
- $questionNum++;
- }
- }
- if (!empty ($_GET['gradebook']) && $_GET['gradebook'] == 'view') {
- $_SESSION['gradebook'] = Security :: remove_XSS($_GET['gradebook']);
- $gradebook = $_SESSION['gradebook'];
- } elseif (empty ($_GET['gradebook'])) {
- unset ($_SESSION['gradebook']);
- $gradebook = '';
- }
- if (!empty ($gradebook) && $gradebook == 'view') {
- $interbreadcrumb[] = array ('url' => '../gradebook/' . Security::remove_XSS($_SESSION['gradebook_dest']),'name' => get_lang('ToolGradebook'));
- }
- $interbreadcrumb[] = array ("url" => "exercice.php?gradebook=$gradebook", "name" => get_lang('Exercices'));
- $interbreadcrumb[] = array ("url" => "#","name" => $objExercise->name);
- if ($origin != 'learnpath') { //so we are not in learnpath tool
- //$htmlHeadXtra[] = $objExercise->show_lp_javascript();
- Display :: display_header($nameTools,'Exercises');
- if (!api_is_allowed_to_session_edit() ) {
- Display :: display_warning_message(get_lang('SessionIsReadOnly'));
- }
- } else {
- Display::display_reduced_header();
- echo '<div style="height:10px"> </div>';
- }
- $show_quiz_edition = true;
- if (isset($exerciseId) && !empty($exerciseId)) {
- $TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
- $sql="SELECT max_score FROM $TBL_LP_ITEM WHERE item_type = '".TOOL_QUIZ."' AND path ='".$exerciseId."'";
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0) {
- $show_quiz_edition = false;
- }
- }
- // I'm in a preview mode
- if (api_is_course_admin() && $origin != 'learnpath') {
- echo '<div class="actions">';
- echo '<a href="exercice.php?show=test&id_session='.api_get_session_id().'">' . Display :: return_icon('back.png', get_lang('BackToExercisesList'),'','32').'</a>';
- if ($show_quiz_edition) {
- echo '<a href="exercise_admin.php?' . api_get_cidreq() . '&modifyExercise=yes&exerciseId=' . $objExercise->id . '">'.Display :: return_icon('settings.png', get_lang('ModifyExercise'),'','32').'</a>';
- //echo Display :: return_icon('wizard.gif', get_lang('QuestionList')) . '<a href="exercice/admin.php?' . api_get_cidreq() . '&exerciseId=' . $objExercise->id . '">' . get_lang('QuestionList') . '</a>';
- } else {
- echo '<a href="#">'.Display::return_icon('settings_na.png', get_lang('ModifyExercise'),'','32').'</a>';
- }
- echo '</div>';
- }
- $exerciseTitle = text_filter($objExercise->selectTitle());
- echo Display::tag('h2', $exerciseTitle);
- $show_clock = true;
- $user_id = api_get_user_id();
- if ($objExercise->selectAttempts() > 0) {
- $attempt_count = get_attempt_count($user_id, $exerciseId, $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id);
-
- if ($attempt_count >= $objExercise->selectAttempts()) {
- $show_clock = false;
- if (!api_is_allowed_to_edit(null,true)) {
-
- if ($objExercise->results_disabled == 0 && $origin != 'learnpath') {
-
- //Showing latest attempt according with task BT#1628
- $exercise_stat_info = get_all_exercise_results_by_user($user_id, $exerciseId, api_get_course_id(), api_get_session_id());
-
- if (!empty($exercise_stat_info)) {
- $max_exe_id = max(array_keys($exercise_stat_info));
- $last_attempt_info = $exercise_stat_info[$max_exe_id];
- echo Display::div(get_lang('Date').': '.api_get_local_time($last_attempt_info['exe_date']), array('id'=>''));
-
- Display :: display_warning_message(sprintf(get_lang('ReachedMaxAttempts'), $exerciseTitle, $objExercise->selectAttempts()), false);
-
- if (!empty($last_attempt_info['question_list'])) {
- foreach($last_attempt_info['question_list'] as $question_data) {
- $question_id = $question_data['question_id'];
- $marks = $question_data['marks'];
-
- $question_info = Question::read($question_id);
- echo Display::div($question_info->question, array('id'=>'question_title','class'=>'sectiontitle'));
- echo Display::div(get_lang('Score').' '.$marks, array('id'=>'question_score'));
- }
- }
- $score = show_score($last_attempt_info['exe_result'], $last_attempt_info['exe_weighting']);
- echo Display::div(get_lang('YourTotalScore').' '.$score, array('id'=>'question_score'));
-
-
-
- } else {
- Display :: display_warning_message(sprintf(get_lang('ReachedMaxAttempts'), $exerciseTitle, $objExercise->selectAttempts()), false);
- }
- } else {
- Display :: display_warning_message(sprintf(get_lang('ReachedMaxAttempts'), $exerciseTitle, $objExercise->selectAttempts()), false);
- }
- if ($origin != 'learnpath')
- Display :: display_footer();
- exit;
- } else {
- Display :: display_warning_message(sprintf(get_lang('ReachedMaxAttemptsAdmin'), $exerciseTitle, $objExercise->selectAttempts()), false);
- }
- }
- }
- $limit_time_exists = (($objExercise->start_time != '0000-00-00 00:00:00') || ($objExercise->end_time != '0000-00-00 00:00:00')) ? true : false;
- if ($limit_time_exists) {
- $exercise_start_time = api_strtotime($objExercise->start_time,'UTC');
- $exercise_end_time = api_strtotime($objExercise->end_time,'UTC');
- $time_now = time();
-
- if ($objExercise->start_time != '0000-00-00 00:00:00') {
- $permission_to_start = (($time_now - $exercise_start_time) > 0) ? true : false;
- } else {
- $permission_to_start = true;
- }
- if ($_SERVER['REQUEST_METHOD'] != 'POST') {
- if ($objExercise->end_time != '0000-00-00 00:00:00') {
- $exercise_timeover = (($time_now - $exercise_end_time) > 0) ? true : false;
- } else {
- $exercise_timeover = false;
- }
- }
-
- if (!$permission_to_start || $exercise_timeover) {
- if (!api_is_allowed_to_edit(null,true)) {
- $message_warning = $permission_to_start ? get_lang('ReachedTimeLimit') : get_lang('ExerciseNoStartedYet');
- Display :: display_warning_message(sprintf($message_warning, $exerciseTitle, $objExercise->selectAttempts()));
- if ($origin != 'learnpath') {
- Display :: display_footer();
- }
- exit;
- } else {
- $message_warning = $permission_to_start ? get_lang('ReachedTimeLimitAdmin') : get_lang('ExerciseNoStartedAdmin');
- Display :: display_warning_message(sprintf($message_warning, $exerciseTitle, $objExercise->selectAttempts()));
- exit;
- }
- }
- }
- //Timer control
- if ($time_control) {
- echo '<div align="left" id="wrapper-clock"><div id="square" class="rounded"><div id="text-content" align="center" class="count_down"></div></div></div>';
- echo '<div style="display:none" class="warning-message" id="expired-message-id">'.get_lang('ExerciceExpiredTimeMessage').'</div>';
- }
- if ($origin != 'learnpath') {
- echo '<div id="highlight-plugin" class="glossary-content">';
- }
- if (!empty ($error)) {
- Display :: display_error_message($error, false);
- } else {
- if (!empty ($exerciseSound)) {
- echo "<a href=\"../document/download.php?doc_url=%2Faudio%2F" . Security::remove_XSS($exerciseSound) . "\" target=\"_blank\">", "<img src=\"../img/sound.gif\" border=\"0\" align=\"absmiddle\" alt=", get_lang('Sound') . "\" /></a>";
- }
- // Get number of hotspot questions for javascript validation
- $number_of_hotspot_questions = 0;
- $onsubmit = '';
- $i = 0;
- //i have a doubt in this line cvargas
- //var_dump($questionList);
- if (!strcmp($questionList[0], '') === 0) {
- foreach ($questionList as $questionId) {
- $i++;
- $objQuestionTmp = Question::read($questionId);
- // for sequential exercises
- if ($exerciseType == ONE_PER_PAGE) {
- // if it is not the right question, goes to the next loop iteration
- if ($questionNum != $i) {
- continue;
- } else {
- if ($objQuestionTmp->selectType() == HOT_SPOT || $objQuestionTmp->selectType() == HOT_SPOT_DELINEATION) {
- $number_of_hotspot_questions++;
- }
- break;
- }
- } else {
- if ($objQuestionTmp->selectType() == HOT_SPOT || $objQuestionTmp->selectType() == HOT_SPOT_DELINEATION) {
- $number_of_hotspot_questions++;
- }
- }
- }
- }
- if ($number_of_hotspot_questions > 0) {
- $onsubmit = "onsubmit=\"return validateFlashVar('" . $number_of_hotspot_questions . "', '" . get_lang('HotspotValidateError1') . "', '" . get_lang('HotspotValidateError2') . "');\"";
- }
- echo "<p>$exerciseDescription</p>";
- $exercise_condition = '';
- if ($exerciseType == ONE_PER_PAGE) {
- $exercise_condition = "&exerciseId=" . $exerciseId;
- }
- echo '<form id="exercise_form" method="post" action="'.api_get_self().'?'.api_get_cidreq().'&autocomplete=off&gradebook='.$gradebook.$exercise_condition .'" name="frm_exercise" '.$onsubmit.'>
- <input type="hidden" name="formSent" value="1" />
- <input type="hidden" name="exerciseType" value="' . $exerciseType . '" />
- <input type="hidden" name="exerciseId" value="' . $exerciseId . '" />
- <input type="hidden" name="questionNum" value="' . $questionNum . '" />
- <input type="hidden" name="nbrQuestions" value="' . $nbrQuestions . '" />
- <input type="hidden" name="origin" value="' . $origin . '" />
- <input type="hidden" name="learnpath_id" value="' . $learnpath_id . '" />
- <input type="hidden" name="learnpath_item_id" value="'. $learnpath_item_id . '" />
- <table id="question_list" width="100%" border="0" cellpadding="1" cellspacing="0">
- <tr>
- <td>
- <table width="100%" cellpadding="3" cellspacing="0" border="0">';
-
- //Show list of questions
- $i = 1;
- foreach ($questionList as $questionId) {
-
- // for sequential exercises
- if ($exerciseType == ONE_PER_PAGE) {
- // if it is not the right question, goes to the next loop iteration
- if ($questionNum != $i) {
- $i++;
- continue;
- } else {
- if ($objExercise->feedbacktype != EXERCISE_FEEDBACK_TYPE_DIRECT) {
- // if the user has already answered this question
- if (isset ($exerciseResult[$questionId])) {
- // construction of the Question object
- $objQuestionTmp = Question::read($questionId);
- $questionName = $objQuestionTmp->selectTitle();
- // destruction of the Question object
- unset ($objQuestionTmp);
- Display :: display_normal_message(get_lang('AlreadyAnswered'));
- $i++;
- break;
- }
- }
- }
- }
- // shows the question and its answers
- showQuestion($questionId, false, $origin, $i);
- $i++;
- // for sequential exercises
- if ($exerciseType == ONE_PER_PAGE) {
- // quits the loop
- break;
- }
- }
- // end foreach()
- echo $objExercise->show_button($nbrQuestions, $questionNum, $exerciseId);
- echo '</table>
- </td>
- </tr>
- </table></form>';
- }
- if ($objExercise->type == ONE_PER_PAGE) {
- if (empty($exercise_stat_info)) {
- $total_weight = 0;
- foreach($questionList as $question_id) {
- $objQuestionTmp = Question::read($question_id);
- $total_weight += floatval($objQuestionTmp->weighting);
- }
- $objExercise->save_stat_track_exercise_info($clock_expired_time, $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id, $questionList, $total_weight);
- }
- }
- if ($origin != 'learnpath') {
- //so we are not in learnpath tool
- echo '</div>'; //End glossary div
- Display :: display_footer();
- } else {
- echo '</body></html>';
- }
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