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1148 lines
47 KiB
1148 lines
47 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Exercise submission
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* This script allows to run an exercise. According to the exercise type, questions
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* can be on an unique page, or one per page with a Next button.
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*
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* One exercise may contain different types of answers (unique or multiple selection,
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* matching, fill in blanks, free answer, hot-spot).
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*
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* Questions are selected randomly or not.
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*
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* When the user has answered all questions and clicks on the button "Ok",
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* it goes to exercise_result.php
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*
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* Notice : This script is also used to show a question before modifying it by
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* the administrator
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* @package chamilo.exercise
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* @author Olivier Brouckaert
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* @author Julio Montoya <gugli100@gmail.com>
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* Fill in blank option added (2008)
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* Cleaning exercises (2010),
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* Adding hotspot delineation support (2011)
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* Adding reminder + ajax support (2011)
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* Modified by hubert.borderiou (2011-10-21 question category)
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*/
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use \ChamiloSession as Session;
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require_once 'exercise.class.php';
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require_once 'question.class.php';
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require_once 'answer.class.php';
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// name of the language file that needs to be included
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$language_file = 'exercice';
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require_once '../inc/global.inc.php';
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$current_course_tool = TOOL_QUIZ;
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require_once 'exercise.lib.php';
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$this_section = SECTION_COURSES;
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if ($debug) {
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error_log('--- Enter to the exercise_submit.php ---- ');
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error_log('0. POST variables : ' . print_r($_POST, 1));
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}
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// Notice for unauthorized people.
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api_protect_course_script(true);
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$is_allowedToEdit = api_is_allowed_to_edit(null,true);
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if (api_get_setting('show_glossary_in_extra_tools') == 'true') {
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$htmlHeadXtra[] = api_get_js('glossary.js');
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$htmlHeadXtra[] = api_get_js('jquery.highlight.js');
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}
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//This library is necessary for the time control feature
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$htmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_PATH).'javascript/epiclock/stylesheet/jquery.epiclock.css');
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$htmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_PATH).'javascript/epiclock/renderers/minute/epiclock.minute.css');
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$htmlHeadXtra[] = api_get_js('epiclock/javascript/jquery.dateformat.min.js');
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$htmlHeadXtra[] = api_get_js('epiclock/javascript/jquery.epiclock.min.js');
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$htmlHeadXtra[] = api_get_js('epiclock/renderers/minute/epiclock.minute.js');
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// General parameters passed via POST/GET
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$learnpath_id = isset($_REQUEST['learnpath_id']) ? intval($_REQUEST['learnpath_id']) : 0;
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$learnpath_item_id = isset($_REQUEST['learnpath_item_id']) ? intval($_REQUEST['learnpath_item_id']) : 0;
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$learnpath_item_view_id = isset($_REQUEST['learnpath_item_view_id']) ? intval($_REQUEST['learnpath_item_view_id']) : 0;
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$origin = isset($_REQUEST['origin']) ? Security::remove_XSS($_REQUEST['origin']) : '';
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$reminder = isset($_REQUEST['reminder']) ? intval($_REQUEST['reminder']) : 0;
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$remind_question_id = isset($_REQUEST['remind_question_id']) ? intval($_REQUEST['remind_question_id']) : 0;
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$exerciseId = isset($_REQUEST['exerciseId']) ? intval($_REQUEST['exerciseId']) : 0;
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$formSent = isset($_REQUEST['formSent']) ? $_REQUEST['formSent'] : null;
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$exerciseResult = isset($_REQUEST['exerciseResult']) ? $_REQUEST['exerciseResult'] : null;
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$exerciseResultCoordinates = isset($_REQUEST['exerciseResultCoordinates']) ? $_REQUEST['exerciseResultCoordinates'] : null;
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$choice = isset($_REQUEST['choice']) ? $_REQUEST['choice'] : null;
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$choice = empty($choice) ? isset($_REQUEST['choice2']) ? $_REQUEST['choice2'] : null : null;
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//From submit modal
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$current_question = isset($_REQUEST['num']) ? intval($_REQUEST['num']) : null;
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$currentAnswer = isset($_REQUEST['num_answer']) ? intval($_REQUEST['num_answer']) : null;
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//Error message
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$error = '';
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//Table calls
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$exercice_attemp_table = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
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/* Teacher takes an exam and want to see a preview,
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we delete the objExercise from the session in order to get the latest
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changes in the exercise */
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if (api_is_allowed_to_edit(null,true) && isset($_GET['preview']) && $_GET['preview'] == 1 ) {
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Session::erase('objExercise');
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}
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// 1. Loading the $objExercise variable
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if (!isset($_SESSION['objExercise']) || $_SESSION['objExercise']->id != $_REQUEST['exerciseId']) {
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// Construction of Exercise
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$objExercise = new Exercise();
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Session::write('firstTime', true);
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if ($debug) {error_log('1. Setting the $objExercise variable'); };
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unset($_SESSION['questionList']);
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// if the specified exercise doesn't exist or is disabled
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if (!$objExercise->read($exerciseId) ||
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(!$objExercise->selectStatus() && !$is_allowedToEdit && $origin != 'learnpath')
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) {
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if ($debug) {error_log('1.1. Error while reading the exercise'); };
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unset ($objExercise);
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$error = get_lang('ExerciseNotFound');
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} else {
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// Saves the object into the session
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Session::write('objExercise', $objExercise);
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if ($debug) {error_log('1.1. $_SESSION[objExercise] was unset - set now - end'); };
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}
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} else {
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Session::write('firstTime', false);
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}
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//2. Checking if $objExercise is set
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if (!isset($objExercise) && isset($_SESSION['objExercise'])) {
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if ($debug) { error_log('2. Loading $objExercise from session'); };
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$objExercise = $_SESSION['objExercise'];
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}
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//3. $objExercise is not set, then return to the exercise list
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if (!is_object($objExercise)) {
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if ($debug) {error_log('3. $objExercise was not set, kill the script'); };
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header('Location: exercice.php');
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exit;
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}
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// If reminder ends we jump to the exercise_reminder
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if ($objExercise->review_answers) {
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if ($remind_question_id == -1) {
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header('Location: exercise_reminder.php?origin='.$origin.'&exerciseId='.$exerciseId);
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exit;
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}
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}
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$current_timestamp = time();
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$my_remind_list = array();
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$time_control = false;
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if ($objExercise->expired_time != 0) {
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$time_control = true;
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}
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// Generating the time control key for the user
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$current_expired_time_key = get_time_control_key($objExercise->id, $learnpath_id, $learnpath_item_id);
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$_SESSION['duration_time'][$current_expired_time_key] = $current_timestamp;
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if ($time_control) {
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// Get the expired time of the current exercice in track_e_exercices
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$total_seconds = $objExercise->expired_time*60;
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}
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$show_clock = true;
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$user_id = api_get_user_id();
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if ($objExercise->selectAttempts() > 0) {
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$attempt_html = '';
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$attempt_count = get_attempt_count(
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$user_id,
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$exerciseId,
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$learnpath_id,
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$learnpath_item_id,
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$learnpath_item_view_id
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);
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if ($attempt_count >= $objExercise->selectAttempts()) {
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$show_clock = false;
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if (!api_is_allowed_to_edit(null,true)) {
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if ($objExercise->results_disabled == 0 && $origin != 'learnpath') {
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// Showing latest attempt according with task BT#1628
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$exercise_stat_info = get_exercise_results_by_user(
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$user_id,
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$exerciseId,
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api_get_course_id(),
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api_get_session_id()
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);
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if (!empty($exercise_stat_info)) {
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$max_exe_id = max(array_keys($exercise_stat_info));
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$last_attempt_info = $exercise_stat_info[$max_exe_id];
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$attempt_html .= Display::div(get_lang('Date').': '.api_get_local_time($last_attempt_info['exe_date']), array('id'=>''));
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$attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
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if (!empty($last_attempt_info['question_list'])) {
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foreach($last_attempt_info['question_list'] as $question_data) {
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$question_id = $question_data['question_id'];
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$marks = $question_data['marks'];
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$question_info = Question::read($question_id);
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$attempt_html .= Display::div($question_info->question, array('class'=>'question_title'));
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$attempt_html .= Display::div(get_lang('Score').' '.$marks, array('id'=>'question_score'));
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}
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}
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$score = show_score($last_attempt_info['exe_result'], $last_attempt_info['exe_weighting']);
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$attempt_html .= Display::div(get_lang('YourTotalScore').' '.$score, array('id'=>'question_score'));
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} else {
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$attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
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}
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} else {
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$attempt_html .= Display::return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
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}
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} else {
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$attempt_html .= Display :: return_message(sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()), 'warning', false);
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}
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if ($origin == 'learnpath') {
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Display :: display_reduced_header();
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} else {
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Display :: display_header($nameTools,'Exercises');
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}
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echo $attempt_html;
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if ($origin != 'learnpath')
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Display :: display_footer();
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exit;
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}
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}
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if ($debug) {
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error_log("4. Setting the exe_id: $exe_id");
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}
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/* 5. Getting user exercise info (if the user took the exam before)
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generating exe_id */
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$exercise_stat_info = $objExercise->get_stat_track_exercise_info(
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$learnpath_id,
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$learnpath_item_id,
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$learnpath_item_view_id
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);
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$clock_expired_time = null;
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if (empty($exercise_stat_info)) {
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if ($debug) error_log('5 $exercise_stat_info is empty ');
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$total_weight = 0;
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$questionList = $objExercise->get_validated_question_list();
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foreach ($questionList as $question_id) {
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$objQuestionTmp = Question::read($question_id);
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$total_weight += floatval($objQuestionTmp->weighting);
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}
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if ($time_control) {
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$expected_time = $current_timestamp + $total_seconds;
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if ($debug) error_log('5.1. $current_timestamp '.$current_timestamp);
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if ($debug) error_log('5.2. $expected_time '.$expected_time);
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$clock_expired_time = api_get_utc_datetime($expected_time);
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if ($debug) error_log('5.3. $expected_time '.$clock_expired_time);
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//Sessions that contain the expired time
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$_SESSION['expired_time'][$current_expired_time_key] = $clock_expired_time;
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if ($debug) { error_log('5.4. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
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}
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$exe_id = $objExercise->save_stat_track_exercise_info(
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$clock_expired_time,
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$learnpath_id,
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$learnpath_item_id,
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$learnpath_item_view_id,
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$questionList,
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$total_weight
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);
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$exercise_stat_info = $objExercise->get_stat_track_exercise_info(
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$learnpath_id,
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$learnpath_item_id,
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$learnpath_item_view_id
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);
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if ($debug) error_log("5.5 exercise_stat_info[] exists getting exe_id $exe_id");
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} else {
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$exe_id = $exercise_stat_info['exe_id'];
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// Remember last question id position.
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$isFirstTime = Session::read('firstTime');
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if ($isFirstTime && $objExercise->type == ONE_PER_PAGE) {
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$resolvedQuestions = get_all_exercise_event_by_exe_id($exe_id);
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if (!empty($resolvedQuestions) &&
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!empty($exercise_stat_info['data_tracking'])
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) {
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$last = current(end($resolvedQuestions));
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$attemptQuestionList = explode(',', $exercise_stat_info['data_tracking']);
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$count = 1;
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foreach ($attemptQuestionList as $question) {
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if ($last['question_id'] == $question) {
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break;
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}
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$count++;
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}
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$current_question = $count;
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}
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}
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if ($debug) error_log("5 exercise_stat_info[] exists getting exe_id $exe_id ");
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}
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// Array to check in order to block the chat
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create_chat_exercise_session($exe_id);
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if ($debug) { error_log('6. $objExercise->get_stat_track_exercise_info function called:: '.print_r($exercise_stat_info, 1)); };
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if (!empty($exercise_stat_info['questions_to_check'])) {
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$my_remind_list = $exercise_stat_info['questions_to_check'];
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$my_remind_list = explode(',', $my_remind_list);
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$my_remind_list = array_filter($my_remind_list);
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}
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$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();
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if ($debug) { error_log("6.1 params: -> $params"); };
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if ($reminder == 2 && empty($my_remind_list)) {
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if ($debug) { error_log("6.2 calling the exercise_reminder.php "); };
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header('Location: exercise_reminder.php?'.$params);
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exit;
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}
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/*
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* 7. Loading Time control parameters
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* If the expired time is major that zero(0) then the expired time is compute on this time.
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*/
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if ($time_control) {
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if ($debug) error_log('7.1. Time control is enabled');
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if ($debug) error_log('7.2. $current_expired_time_key '.$current_expired_time_key);
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if ($debug) error_log('7.3. $_SESSION[expired_time][$current_expired_time_key] '.$_SESSION['expired_time'][$current_expired_time_key]);
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if (!isset($_SESSION['expired_time'][$current_expired_time_key])) {
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//Timer - Get expired_time for a student
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if (!empty($exercise_stat_info)) {
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if ($debug) {error_log('7.4 Seems that the session ends and the user want to retake the exam'); };
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$expired_time_of_this_attempt = $exercise_stat_info['expired_time_control'];
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if ($debug) {error_log('7.5 $expired_time_of_this_attempt: '.$expired_time_of_this_attempt); }
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// Get the last attempt of an exercise
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$last_attempt_date = get_last_attempt_date_of_exercise($exercise_stat_info['exe_id']);
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/* This means that the user enters the exam but do not answer the
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first question we get the date from the track_e_exercises not from
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the track_et_attempt see #2069 */
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if (empty($last_attempt_date)) {
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$diff = $current_timestamp - api_strtotime($exercise_stat_info['start_date'], 'UTC');
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$last_attempt_date = api_get_utc_datetime(api_strtotime($exercise_stat_info['start_date'],'UTC') + $diff);
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} else {
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//Recalculate the time control due #2069
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$diff = $current_timestamp - api_strtotime($last_attempt_date,'UTC');
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$last_attempt_date = api_get_utc_datetime(api_strtotime($last_attempt_date,'UTC') + $diff);
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}
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if ($debug) {error_log('7.6. $last_attempt_date: '.$last_attempt_date); }
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//New expired time - it is due to the possible closure of session
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$new_expired_time_in_seconds = api_strtotime($expired_time_of_this_attempt, 'UTC') - api_strtotime($last_attempt_date,'UTC');
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if ($debug) {error_log('7.7. $new_expired_time_in_seconds: '.$new_expired_time_in_seconds); }
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$expected_time = $current_timestamp + $new_expired_time_in_seconds;
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if ($debug) {error_log('7.8. $expected_time1: '.$expected_time); }
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$clock_expired_time = api_get_utc_datetime($expected_time);
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if ($debug) {error_log('7.9. $clock_expired_time: '.$clock_expired_time); }
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// First we update the attempt to today
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/* How the expired time is changed into "track_e_exercices" table,
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then the last attempt for this student should be changed too */
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$sql = "UPDATE $exercice_attemp_table SET
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tms = '".api_get_utc_datetime()."'
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WHERE
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exe_id = '".$exercise_stat_info['exe_id']."' AND
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tms = '".$last_attempt_date."' ";
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if ($debug) {error_log('7.10. $sql: '.$sql); }
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Database::query($sql);
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//Sessions that contain the expired time
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$_SESSION['expired_time'][$current_expired_time_key] = $clock_expired_time;
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if ($debug) {error_log('7.11. Setting the $_SESSION[expired_time]: '.$_SESSION['expired_time'][$current_expired_time_key] ); };
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}
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} else {
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$clock_expired_time = $_SESSION['expired_time'][$current_expired_time_key];
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}
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} else {
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if ($debug) { error_log("7 No time control"); };
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}
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// Get time left for expiring time
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$time_left = api_strtotime($clock_expired_time,'UTC') - time();
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/*
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* The time control feature is enable here - this feature is enable for a jquery plugin called epiclock
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* for more details of how it works see this link : http://eric.garside.name/docs.html?p=epiclock
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*/
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if ($time_control) { //Sends the exercise form when the expired time is finished
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$htmlHeadXtra[] = $objExercise->show_time_control_js($time_left);
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}
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// if the user has submitted the form
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$exercise_title = $objExercise->selectTitle();
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$exercise_sound = $objExercise->selectSound();
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//in LP's is enabled the "remember question" feature?
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if (!isset($_SESSION['questionList'])) {
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// selects the list of question ID
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$questionList = $objExercise->get_validated_question_list();
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if ($objExercise->isRandom() && !empty($exercise_stat_info['data_tracking'])) {
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$questionList = explode(',', $exercise_stat_info['data_tracking']);
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}
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Session::write('questionList', $questionList);
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if ($debug > 0) { error_log('$_SESSION[questionList] was set'); }
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} else {
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if (isset($objExercise) && isset($_SESSION['objExercise'])) {
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$questionList = $_SESSION['questionList'];
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}
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}
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if ($debug) error_log('8. Question list loaded '.print_r($questionList, 1));
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//Real question count
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$question_count = 0;
|
|
if (!empty($questionList)) {
|
|
$question_count = count($questionList);
|
|
}
|
|
|
|
if ($formSent && isset($_POST)) {
|
|
if ($debug) { error_log('9. $formSent was set'); }
|
|
|
|
// Initializing
|
|
if (!is_array($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('9.1. $choice is an array '.print_r($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('9.2. $_POST[hotspot] data '.print_r($exerciseResultCoordinates, 1)); }
|
|
}
|
|
if ($objExercise->type == 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 ($objExercise->feedback_type != EXERCISE_FEEDBACK_TYPE_DIRECT) {
|
|
$nro_question = $current_question; // - 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) { error_log('8.3. 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,
|
|
$objExercise->propagate_neg,
|
|
array()
|
|
);
|
|
}
|
|
//END of saving and qualifying
|
|
}
|
|
}
|
|
}
|
|
if ($debug) { error_log('9.3. $choice is an array - end'); }
|
|
if ($debug) { error_log('9.4. $exerciseResult '.print_r($exerciseResult,1)); }
|
|
}
|
|
|
|
// the script "exercise_result.php" will take the variable $exerciseResult from the session
|
|
Session::write('exerciseResult', $exerciseResult);
|
|
Session::write('remind_list', $remind_list);
|
|
Session::write('exerciseResultCoordinates',$exerciseResultCoordinates);
|
|
|
|
// if all questions on one page OR if it is the last question (only for an exercise with one question per page)
|
|
if ($objExercise->type == ALL_ON_ONE_PAGE || $current_question >= $question_count) {
|
|
if (api_is_allowed_to_session_edit()) {
|
|
// goes to the script that will show the result of the exercise
|
|
if ($objExercise->type == ALL_ON_ONE_PAGE) {
|
|
if ($debug) { error_log('10. Exercise ALL_ON_ONE_PAGE -> Redirecting to exercise_result.php'); }
|
|
|
|
//We check if the user attempts before sending to the exercise_result.php
|
|
if ($objExercise->selectAttempts() > 0) {
|
|
$attempt_count = get_attempt_count(
|
|
api_get_user_id(),
|
|
$exerciseId,
|
|
$learnpath_id,
|
|
$learnpath_item_id,
|
|
$learnpath_item_view_id
|
|
);
|
|
if ($attempt_count >= $objExercise->selectAttempts()) {
|
|
Display :: display_warning_message(
|
|
sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()),
|
|
false
|
|
);
|
|
if ($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?".api_get_cidreq()."&exe_id=$exe_id&origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id&learnpath_item_view_id=$learnpath_item_view_id");
|
|
exit;
|
|
} else {
|
|
if ($debug) { error_log('10. Redirecting to exercise_show.php'); }
|
|
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=$learnpath_item_view_id");
|
|
exit;
|
|
}
|
|
} else {
|
|
if ($debug) { error_log('10. Redirecting to exercise_submit.php'); }
|
|
header("Location: exercise_submit.php?".api_get_cidreq()."&exerciseId=$exerciseId&origin=$origin");
|
|
exit;
|
|
}
|
|
}
|
|
if ($debug) { error_log('11. $formSent was set - end'); }
|
|
} else {
|
|
if ($debug) { error_log('9. $formSent was NOT sent'); }
|
|
}
|
|
|
|
// If questionNum comes from POST and not from GET
|
|
if (!$current_question || isset($_REQUEST['num']) && $_REQUEST['num']) {
|
|
if (!$current_question) {
|
|
$current_question = 1;
|
|
} else {
|
|
$current_question++;
|
|
}
|
|
}
|
|
|
|
if ($question_count != 0) {
|
|
if (($objExercise->type == ALL_ON_ONE_PAGE ||
|
|
$current_question > $question_count)
|
|
) {
|
|
if (api_is_allowed_to_session_edit()) {
|
|
// goes to the script that will show the result of the exercise
|
|
if ($objExercise->type == ALL_ON_ONE_PAGE) {
|
|
if ($debug) { error_log('12. Exercise ALL_ON_ONE_PAGE -> Redirecting to exercise_result.php'); }
|
|
|
|
//We check if the user attempts before sending to the exercise_result.php
|
|
if ($objExercise->selectAttempts() > 0) {
|
|
$attempt_count = get_attempt_count(
|
|
api_get_user_id(),
|
|
$exerciseId,
|
|
$learnpath_id,
|
|
$learnpath_item_id,
|
|
$learnpath_item_view_id
|
|
);
|
|
if ($attempt_count >= $objExercise->selectAttempts()) {
|
|
Display :: display_warning_message(
|
|
sprintf(get_lang('ReachedMaxAttempts'), $exercise_title, $objExercise->selectAttempts()),
|
|
false
|
|
);
|
|
if ($origin != 'learnpath') {
|
|
//so we are not in learnpath tool
|
|
echo '</div>'; //End glossary div
|
|
Display :: display_footer();
|
|
} else {
|
|
echo '</body></html>';
|
|
}
|
|
exit;
|
|
}
|
|
}
|
|
} else {
|
|
if ($objExercise->review_answers) {
|
|
header('Location: exercise_reminder.php?'.$params);
|
|
exit;
|
|
} else {
|
|
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=$learnpath_item_view_id");
|
|
exit;
|
|
}
|
|
}
|
|
} else {
|
|
if ($debug) { error_log('Redirecting to exercise_submit.php'); }
|
|
exit;
|
|
}
|
|
}
|
|
} else {
|
|
$error = get_lang('ThereAreNoQuestionsForThisExercise');
|
|
// if we are in the case where user select random by category, but didn't choose the number of random question
|
|
if ($objExercise->selectRandomByCat() > 0 && $objExercise->random <= 0) {
|
|
$error .= "<br/>".get_lang('PleaseSelectSomeRandomQuestion');
|
|
}
|
|
}
|
|
|
|
if (!empty ($_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
|
|
Display :: display_header(null,'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 = $objExercise->added_in_lp();
|
|
|
|
// I'm in a preview mode
|
|
if (api_is_course_admin() && $origin != 'learnpath') {
|
|
echo '<div class="actions">';
|
|
if ($show_quiz_edition == false) {
|
|
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>';
|
|
} else {
|
|
echo '<a href="#">'.Display::return_icon('settings_na.png', get_lang('ModifyExercise'),'',ICON_SIZE_MEDIUM).'</a>';
|
|
}
|
|
echo '</div>';
|
|
}
|
|
|
|
$is_visible_return = $objExercise->is_visible(
|
|
$learnpath_id,
|
|
$learnpath_item_id,
|
|
$learnpath_item_view_id
|
|
);
|
|
if ($is_visible_return['value'] == false) {
|
|
echo $is_visible_return['message'];
|
|
if ($origin != 'learnpath') {
|
|
Display :: display_footer();
|
|
}
|
|
exit;
|
|
}
|
|
|
|
$limit_time_exists = (($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, $exercise_title, $objExercise->selectAttempts()));
|
|
if ($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, $exercise_title, $objExercise->selectAttempts()));
|
|
}
|
|
}
|
|
}
|
|
|
|
// Blocking empty start times see BT#2800
|
|
global $_custom;
|
|
if (isset($_custom['exercises_hidden_when_no_start_date']) &&
|
|
$_custom['exercises_hidden_when_no_start_date']
|
|
) {
|
|
if (empty($objExercise->start_time) || $objExercise->start_time == '0000-00-00 00:00:00') {
|
|
Display:: display_warning_message(
|
|
sprintf(
|
|
get_lang('ExerciseNoStartedYet'),
|
|
$exercise_title,
|
|
$objExercise->selectAttempts()
|
|
)
|
|
);
|
|
if ($origin != 'learnpath') {
|
|
Display :: display_footer();
|
|
}
|
|
}
|
|
}
|
|
|
|
//Timer control
|
|
if ($time_control) {
|
|
echo $objExercise->return_time_left_div();
|
|
echo '<div style="display:none" class="warning-message" id="expired-message-id">'.get_lang('ExerciceExpiredTimeMessage').'</div>';
|
|
}
|
|
|
|
if (!empty($objExercise->description)) {
|
|
echo "<script>
|
|
$(function() {
|
|
$('#description_content').accordion({
|
|
changestart: function(event, ui) {
|
|
//var clicked = $(this).find('.ui-state-active').attr('id');
|
|
//$('#'+clicked).load('/widgets/'+clicked);
|
|
$('#collapse1').html(".json_encode($objExercise->description).");
|
|
}
|
|
});
|
|
});
|
|
</script>";
|
|
echo Display::generate_accordion(array(array('title' => get_lang('ExerciseDescriptionLabel'), 'content' => null)), 'jquery', 'description_content');
|
|
}
|
|
|
|
if ($origin != 'learnpath') {
|
|
echo '<div id="highlight-plugin" class="glossary-content">';
|
|
}
|
|
|
|
if ($reminder == 2) {
|
|
if ($debug) { error_log(' $reminder == 2'); }
|
|
|
|
$data_tracking = $exercise_stat_info['data_tracking'];
|
|
$data_tracking = explode(',', $data_tracking);
|
|
|
|
$current_question = 1; //set by default the 1st question
|
|
|
|
if (!empty($my_remind_list)) {
|
|
//Checking which questions we are going to call from the remind list
|
|
for ($i = 0; $i < count($data_tracking); $i++) {
|
|
for($j = 0; $j < count($my_remind_list); $j++) {
|
|
|
|
if (!empty($remind_question_id)) {
|
|
if ($remind_question_id == $my_remind_list[$j]) {
|
|
|
|
if ($remind_question_id == $data_tracking[$i]) {
|
|
if (isset($my_remind_list[$j+1])) {
|
|
$remind_question_id = $my_remind_list[$j+1];
|
|
$current_question = $i + 1;
|
|
} else {
|
|
// We end the remind list we go to the exercise_reminder.php please
|
|
$remind_question_id = -1;
|
|
$current_question = $i + 1; // last question
|
|
}
|
|
break 2;
|
|
}
|
|
}
|
|
} else {
|
|
if ($my_remind_list[$j] == $data_tracking[$i]) {
|
|
if (isset($my_remind_list[$j+1])) {
|
|
$remind_question_id = $my_remind_list[$j+1];
|
|
$current_question = $i + 1; // last question
|
|
} else {
|
|
// We end the remind list we go to the exercise_reminder.php please
|
|
$remind_question_id = -1;
|
|
$current_question = $i + 1; // last question
|
|
}
|
|
break 2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if ($objExercise->review_answers) {
|
|
if ($debug) { error_log('. redirecting to exercise_reminder.php '); }
|
|
header("Location: exercise_reminder.php?$params");
|
|
exit;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($objExercise->review_answers) {
|
|
$script_php = 'exercise_reminder.php';
|
|
} else {
|
|
$script_php = 'exercise_result.php';
|
|
}
|
|
|
|
if (!empty($error)) {
|
|
Display :: display_error_message($error, false);
|
|
} else {
|
|
if (!empty ($exercise_sound)) {
|
|
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>";
|
|
}
|
|
// Get number of hotspot questions for javascript validation
|
|
$number_of_hotspot_questions = 0;
|
|
$onsubmit = '';
|
|
$i = 0;
|
|
if (!empty($questionList)) {
|
|
foreach ($questionList as $questionId) {
|
|
$i++;
|
|
$objQuestionTmp = Question::read($questionId);
|
|
// for sequential exercises
|
|
|
|
if ($objExercise->type == ONE_PER_PAGE) {
|
|
// if it is not the right question, goes to the next loop iteration
|
|
if ($current_question != $i) {
|
|
continue;
|
|
} else {
|
|
if ($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 '<script>
|
|
$(function() {
|
|
//$(".exercise_save_now_button").hide();
|
|
$(".main_question").mouseover(function() {
|
|
//$(this).find(".exercise_save_now_button").show();
|
|
//$(this).addClass("question_highlight");
|
|
});
|
|
|
|
$(".main_question").mouseout(function() {
|
|
//$(this).find(".exercise_save_now_button").hide();
|
|
$(this).removeClass("question_highlight");
|
|
});
|
|
|
|
$(".no_remind_highlight").hide();
|
|
|
|
// if the users validates the form using return key, prevent form action and simulates click on validation button
|
|
/*$("#exercise_form").submit(function(){
|
|
$(".question-validate-btn").first().trigger("click");
|
|
return false;
|
|
});*/
|
|
});
|
|
|
|
function previous_question(question_num) {
|
|
url = "exercise_submit.php?'.$params.'&num="+question_num;
|
|
window.location = url;
|
|
}
|
|
|
|
function previous_question_and_save(previous_question_id, question_id_to_save) {
|
|
url = "exercise_submit.php?'.$params.'&num="+previous_question_id;
|
|
//Save the current question
|
|
save_now(question_id_to_save, url);
|
|
}
|
|
|
|
function save_question_list(question_list) {
|
|
$.each(question_list, function(key, question_id) {
|
|
save_now(question_id, null, false);
|
|
});
|
|
|
|
var url = "";
|
|
if ('.$reminder.' == 1 ) {
|
|
url = "exercise_reminder.php?'.$params.'&num='.$current_question.'";
|
|
} else if ('.$reminder.' == 2 ) {
|
|
url = "exercise_submit.php?'.$params.'&num='.$current_question.'&remind_question_id='.$remind_question_id.'&reminder=2";
|
|
} else {
|
|
url = "exercise_submit.php?'.$params.'&num='.$current_question.'&remind_question_id='.$remind_question_id.'";
|
|
}
|
|
//$("#save_for_now_"+question_id).html("'.addslashes(Display::return_icon('save.png', get_lang('Saved'), array(), ICON_SIZE_SMALL)).'");
|
|
window.location = url;
|
|
}
|
|
|
|
function save_now(question_id, url_extra) {
|
|
//1. Normal choice inputs
|
|
var my_choice = $(\'*[name*="choice[\'+question_id+\']"]\').serialize();
|
|
|
|
//2. Reminder checkbox
|
|
var remind_list = $(\'*[name*="remind_list"]\').serialize();
|
|
|
|
//3. Hotspots
|
|
var hotspot = $(\'*[name*="hotspot[\'+question_id+\']"]\').serialize();
|
|
|
|
//Checking FCK
|
|
if (typeof(FCKeditorAPI) !== "undefined") {
|
|
var oEditor = FCKeditorAPI.GetInstance("choice["+question_id+"]") ;
|
|
var fck_content = "";
|
|
|
|
if (oEditor) {
|
|
fck_content = oEditor.GetHTML();
|
|
my_choice = {};
|
|
my_choice["choice["+question_id+"]"] = fck_content;
|
|
my_choice = $.param(my_choice);
|
|
}
|
|
}
|
|
|
|
if ($(\'input[name="remind_list[\'+question_id+\']"]\').is(\':checked\')) {
|
|
$("#question_div_"+question_id).addClass("remind_highlight");
|
|
} else {
|
|
$("#question_div_"+question_id).removeClass("remind_highlight");
|
|
}
|
|
|
|
// Only for the first time
|
|
|
|
$("#save_for_now_"+question_id).html("'.addslashes(Display::return_icon('loading1.gif')).'");
|
|
$.ajax({
|
|
type:"post",
|
|
async: false,
|
|
url: "'.api_get_path(WEB_AJAX_PATH).'exercise.ajax.php?a=save_exercise_by_now",
|
|
data: "'.$params.'&type=simple&question_id="+question_id+"&"+my_choice+"&"+hotspot+"&"+remind_list,
|
|
success: function(return_value) {
|
|
if (return_value == "ok") {
|
|
$("#save_for_now_"+question_id).html("'.addslashes(Display::return_icon('save.png', get_lang('Saved'), array(), ICON_SIZE_SMALL)).'");
|
|
} else if (return_value == "error") {
|
|
$("#save_for_now_"+question_id).html("'.addslashes(Display::return_icon('error.png', get_lang('Error'), array(), ICON_SIZE_SMALL)).'");
|
|
} else if (return_value == "one_per_page") {
|
|
var url = "";
|
|
if ('.$reminder.' == 1 ) {
|
|
url = "exercise_reminder.php?'.$params.'&num='.$current_question.'";
|
|
} else if ('.$reminder.' == 2 ) {
|
|
url = "exercise_submit.php?'.$params.'&num='.$current_question.'&remind_question_id='.$remind_question_id.'&reminder=2";
|
|
} else {
|
|
url = "exercise_submit.php?'.$params.'&num='.$current_question.'&remind_question_id='.$remind_question_id.'";
|
|
}
|
|
|
|
if (url_extra) {
|
|
url = url_extra;
|
|
}
|
|
|
|
$("#save_for_now_"+question_id).html("'.addslashes(Display::return_icon('save.png', get_lang('Saved'), array(), ICON_SIZE_SMALL)).'");
|
|
|
|
window.location = url;
|
|
}
|
|
},
|
|
error: function() {
|
|
$("#save_for_now_"+question_id).html("'.addslashes(Display::return_icon('error.png', get_lang('Error'), array(), ICON_SIZE_SMALL)).'");
|
|
}
|
|
});
|
|
return false;
|
|
}
|
|
|
|
function save_now_all(validate) {
|
|
// 1. Input choice.
|
|
var my_choice = $(\'*[name*="choice"]\').serialize();
|
|
|
|
// 2. Reminder.
|
|
var remind_list = $(\'*[name*="remind_list"]\').serialize();
|
|
|
|
// 3. Hotspots.
|
|
var hotspot = $(\'*[name*="hotspot"]\').serialize();
|
|
|
|
// Question list.
|
|
var question_list = ['.implode(',', $questionList).'];
|
|
|
|
var free_answers = {};
|
|
|
|
$.each(question_list, function(index, my_question_id) {
|
|
//Checking FCK
|
|
if (typeof(FCKeditorAPI) !== "undefined") {
|
|
var oEditor = FCKeditorAPI.GetInstance("choice["+my_question_id+"]") ;
|
|
var fck_content = "";
|
|
if (oEditor) {
|
|
fck_content = oEditor.GetHTML();
|
|
//alert(index + " " +my_question_id + " " +fck_content);
|
|
free_answers["free_choice["+my_question_id+"]"] = fck_content;
|
|
}
|
|
}
|
|
});
|
|
|
|
// lok+(fgt)= data base
|
|
free_answers = $.param(free_answers);
|
|
|
|
$("#save_all_reponse").html("'.addslashes(Display::return_icon('loading1.gif')).'");
|
|
|
|
$.ajax({
|
|
type:"post",
|
|
async: false,
|
|
url: "'.api_get_path(WEB_AJAX_PATH).'exercise.ajax.php?a=save_exercise_by_now",
|
|
data: "'.$params.'&type=all&"+my_choice+"&"+hotspot+"&"+free_answers+"&"+remind_list,
|
|
success: function(return_value) {
|
|
if (return_value == "ok") {
|
|
//$("#save_all_reponse").html("'.addslashes(Display::return_icon('accept.png')).'");
|
|
if (validate == "validate") {
|
|
window.location = "'.$script_php.'?'.$params.'";
|
|
} else {
|
|
$("#save_all_reponse").html("'.addslashes(Display::return_icon('accept.png')).'");
|
|
}
|
|
} else {
|
|
$("#save_all_reponse").html("'.addslashes(Display::return_icon('wrong.gif')).'");
|
|
}
|
|
}
|
|
});
|
|
return false;
|
|
}
|
|
|
|
function validate_all() {
|
|
save_now_all("validate");
|
|
return false;
|
|
}
|
|
</script>';
|
|
|
|
echo '<form id="exercise_form" method="post" action="'.api_get_self().'?'.api_get_cidreq().'&autocomplete=off&gradebook='.$gradebook."&exerciseId=" . $exerciseId .'" name="frm_exercise" '.$onsubmit.'>
|
|
<input type="hidden" name="formSent" value="1" />
|
|
<input type="hidden" name="exerciseId" value="'.$exerciseId . '" />
|
|
<input type="hidden" name="num" value="'.$current_question.'" id="num_current_id" />
|
|
<input type="hidden" name="num_answer" value="'.$currentAnswer.'" id="num_current_answer_id" />
|
|
<input type="hidden" name="exe_id" value="'.$exe_id . '" />
|
|
<input type="hidden" name="origin" value="'.$origin . '" />
|
|
<input type="hidden" name="learnpath_id" value="'.$learnpath_id . '" />
|
|
<input type="hidden" name="learnpath_item_id" value="'.$learnpath_item_id . '" />
|
|
<input type="hidden" name="learnpath_item_view_id" value="'.$learnpath_item_view_id . '" />';
|
|
|
|
// Show list of questions
|
|
$i = 1;
|
|
|
|
$attempt_list = array();
|
|
|
|
if (isset($exe_id)) {
|
|
$attempt_list = get_all_exercise_event_by_exe_id($exe_id);
|
|
}
|
|
|
|
$remind_list = array();
|
|
if (isset($exercise_stat_info['questions_to_check']) && !empty($exercise_stat_info['questions_to_check'])) {
|
|
$remind_list = explode(',', $exercise_stat_info['questions_to_check']);
|
|
}
|
|
|
|
foreach ($questionList as $questionId) {
|
|
|
|
// for sequential exercises
|
|
if ($objExercise->type == ONE_PER_PAGE) {
|
|
// if it is not the right question, goes to the next loop iteration
|
|
if ($current_question != $i) {
|
|
$i++;
|
|
continue;
|
|
} else {
|
|
if ($objExercise->feedback_type != 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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$user_choice = isset($attempt_list[$questionId]) ? $attempt_list[$questionId] : null;
|
|
|
|
$remind_highlight = '';
|
|
|
|
//Hides questions when reviewing a ALL_ON_ONE_PAGE exercise see #4542 no_remind_highlight class hide with jquery
|
|
if ($objExercise->type == ALL_ON_ONE_PAGE && isset($_GET['reminder']) && $_GET['reminder'] == 2) {
|
|
$remind_highlight = 'no_remind_highlight';
|
|
}
|
|
|
|
$exercise_actions = '';
|
|
$is_remind_on = false;
|
|
|
|
$attributes = array('id' =>'remind_list['.$questionId.']');
|
|
if (in_array($questionId, $remind_list)) {
|
|
$is_remind_on = true;
|
|
$attributes['checked'] = 1;
|
|
$remind_question = true;
|
|
$remind_highlight = ' remind_highlight ';
|
|
}
|
|
|
|
// Showing the question
|
|
|
|
echo '<div id="question_div_'.$questionId.'" class="main_question '.$remind_highlight.'" >';
|
|
|
|
// Shows the question and its answers
|
|
showQuestion($questionId, false, $origin, $i, true, false, $user_choice, false);
|
|
|
|
// Button save and continue
|
|
switch ($objExercise->type) {
|
|
case ONE_PER_PAGE:
|
|
$exercise_actions .= $objExercise->show_button($questionId, $current_question);
|
|
break;
|
|
case ALL_ON_ONE_PAGE :
|
|
$button = '<a href="javascript://" class="btn" onclick="save_now(\''.$questionId.'\'); ">'.get_lang('SaveForNow').'</a>';
|
|
$button .= '<span id="save_for_now_'.$questionId.'"></span> ';
|
|
$exercise_actions .= Display::div($button, array('class'=>'exercise_save_now_button'));
|
|
break;
|
|
}
|
|
|
|
// Checkbox review answers
|
|
if ($objExercise->review_answers) {
|
|
$remind_question_div = Display::tag(
|
|
'label',
|
|
Display::input(
|
|
'checkbox',
|
|
'remind_list[' . $questionId . ']',
|
|
'',
|
|
$attributes
|
|
) . get_lang('ReviewQuestionLater'),
|
|
array(
|
|
'class' => 'checkbox',
|
|
'for' => 'remind_list[' . $questionId . ']'
|
|
)
|
|
);
|
|
$exercise_actions .= Display::div($remind_question_div, array('class'=>'exercise_save_now_button'));
|
|
}
|
|
echo Display::div($exercise_actions, array('class'=>'form-actions'));
|
|
echo '</div>';
|
|
|
|
$i++;
|
|
// for sequential exercises
|
|
if ($objExercise->type == ONE_PER_PAGE) {
|
|
// quits the loop
|
|
break;
|
|
}
|
|
}
|
|
// end foreach()
|
|
if ($objExercise->type == ALL_ON_ONE_PAGE) {
|
|
$exercise_actions = $objExercise->show_button($questionId, $current_question);
|
|
echo Display::div($exercise_actions, array('class'=>'exercise_actions'));
|
|
}
|
|
echo '</form>';
|
|
}
|
|
|
|
if ($origin != 'learnpath') {
|
|
// So we are not in learnpath tool
|
|
echo '</div>'; //End glossary div
|
|
Display :: display_footer();
|
|
} else {
|
|
echo '</body></html>';
|
|
}
|
|
|