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3609 lines
142 KiB
3609 lines
142 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Exercise class: This class allows to instantiate an object of type Exercise
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* @package chamilo.exercise
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* @author Olivier Brouckaert
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* @author Julio Montoya Cleaning exercises
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* Modified by Hubert Borderiou #294
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*/
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/**
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* Code
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*/
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define('ALL_ON_ONE_PAGE', 1);
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define('ONE_PER_PAGE', 2);
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define('EXERCISE_FEEDBACK_TYPE_END', 0); //Feedback - show score and expected answers
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define('EXERCISE_FEEDBACK_TYPE_DIRECT', 1); //DirectFeedback - Do not show score nor answers
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define('EXERCISE_FEEDBACK_TYPE_EXAM', 2); //NoFeedback - Show score only
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define('EXERCISE_MAX_NAME_SIZE', 80);
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$debug = true; //All exercise scripts should depend in this debug variable
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require_once dirname(__FILE__).'/../inc/lib/exercise_show_functions.lib.php';
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if(!class_exists('Exercise')):
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/**
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* Exercise class
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* @package chamilo.exercise
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*/
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class Exercise {
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public $id;
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public $exercise;
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public $description;
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public $sound;
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public $type; //ALL_ON_ONE_PAGE or ONE_PER_PAGE
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public $random;
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public $random_answers;
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public $active;
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public $timeLimit;
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public $attempts;
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public $feedbacktype;
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public $end_time;
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public $start_time;
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public $questionList; // array with the list of this exercise's questions
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public $results_disabled;
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public $expired_time;
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public $course;
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public $course_id;
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public $propagate_neg;
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public $review_answers;
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public $randomByCat;
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public $text_when_finished;
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public $display_category_name;
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public $pass_percentage;
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/**
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* Constructor of the class
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*
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* @author - Olivier Brouckaert
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*/
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function Exercise($course_id = null) {
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$this->id = 0;
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$this->exercise = '';
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$this->description = '';
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$this->sound = '';
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$this->type = ALL_ON_ONE_PAGE;
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$this->random = 0;
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$this->random_answers = 0;
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$this->active = 1;
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$this->questionList = array();
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$this->timeLimit = 0;
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$this->end_time = '0000-00-00 00:00:00';
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$this->start_time = '0000-00-00 00:00:00';
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$this->results_disabled = 1;
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$this->expired_time = '0000-00-00 00:00:00';
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$this->propagate_neg = 0;
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$this->review_answers = false;
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$this->randomByCat = 0; //
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$this->text_when_finished = ""; //
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$this->display_category_name = 0;
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$this->pass_percentage = null;
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if (!empty($course_id)) {
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$course_info = api_get_course_info_by_id($course_id);
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} else {
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$course_info = api_get_course_info();
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}
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$this->course_id = $course_info['real_id'];
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$this->course = $course_info;
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}
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/**
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* reads exercise informations from the data base
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*
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* @author - Olivier Brouckaert
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* @param - integer $id - exercise ID
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* @return - boolean - true if exercise exists, otherwise false
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*/
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function read($id) {
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$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
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$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
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$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
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$id = intval($id);
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if (empty($this->course_id)) {
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return false;
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}
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$sql = "SELECT * FROM $TBL_EXERCICES WHERE c_id = ".$this->course_id." AND id = ".$id;
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$result = Database::query($sql);
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// if the exercise has been found
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if ($object = Database::fetch_object($result)) {
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$this->id = $id;
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$this->exercise = $object->title;
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$this->name = cut($object->title, EXERCISE_MAX_NAME_SIZE);
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$this->description = $object->description;
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$this->sound = $object->sound;
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$this->type = $object->type;
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$this->random = $object->random;
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$this->random_answers = $object->random_answers;
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$this->active = $object->active;
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$this->results_disabled = $object->results_disabled;
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$this->attempts = $object->max_attempt;
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$this->feedbacktype = $object->feedback_type;
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$this->propagate_neg = $object->propagate_neg;
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$this->randomByCat = $object->random_by_category;
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$this->text_when_finished = $object->text_when_finished;
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$this->display_category_name = $object->display_category_name;
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$this->pass_percentage = $object->pass_percentage;
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$this->review_answers = (isset($object->review_answers) && $object->review_answers == 1) ? true : false;
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if ($object->end_time != '0000-00-00 00:00:00') {
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$this->end_time = $object->end_time;
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}
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if ($object->start_time != '0000-00-00 00:00:00') {
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$this->start_time = $object->start_time;
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}
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$this->expired_time = $object->expired_time; //control time
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$sql = "SELECT e.question_id, e.question_order FROM $TBL_EXERCICE_QUESTION e, $TBL_QUESTIONS q
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WHERE e.question_id = q.id AND
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e.exercice_id = '".Database::escape_string($id)."' AND
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e.c_id = ".$this->course_id." AND
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q.c_id = ".$this->course_id."
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ORDER BY question_order";
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$result = Database::query($sql);
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// fills the array with the question ID for this exercise
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// the key of the array is the question position
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while ($new_object = Database::fetch_object($result)) {
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$this->questionList[$new_object->question_order]= $new_object->question_id;
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}
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//overload questions list with recorded questions list
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//load questions only for exercises of type 'one question per page'
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//this is needed only is there is no questions
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//
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// @todo not sure were in the code this is used somebody mess with the exercise tool
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// @todo don't know who add that config and why $_configuration['live_exercise_tracking']
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global $_configuration, $questionList;
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if ($this->type == ONE_PER_PAGE && $_SERVER['REQUEST_METHOD'] != 'POST' && defined('QUESTION_LIST_ALREADY_LOGGED') &&
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isset($_configuration['live_exercise_tracking']) && $_configuration['live_exercise_tracking']) {
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//if(empty($_SESSION['questionList']))
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$this->questionList = $questionList;
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}
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return true;
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}
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// exercise not found
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return false;
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}
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/**
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* returns the exercise ID
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*
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* @author - Olivier Brouckaert
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* @return - integer - exercise ID
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*/
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function selectId() {
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return $this->id;
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}
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/**
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* returns the exercise title
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*
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* @author - Olivier Brouckaert
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* @return - string - exercise title
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*/
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function selectTitle() {
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return $this->exercise;
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}
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/**
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* returns the number of attempts setted
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*
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* @return - numeric - exercise attempts
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*/
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function selectAttempts() {
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return $this->attempts;
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}
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/** returns the number of FeedbackType *
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* 0=>Feedback , 1=>DirectFeedback, 2=>NoFeedback
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* @return - numeric - exercise attempts
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*/
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function selectFeedbackType() {
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return $this->feedbacktype;
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}
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/**
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* returns the time limit
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*/
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function selectTimeLimit() {
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return $this->timeLimit;
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}
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/**
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* returns the exercise description
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*
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* @author - Olivier Brouckaert
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* @return - string - exercise description
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*/
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function selectDescription() {
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return $this->description;
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}
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/**
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* returns the exercise sound file
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*
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* @author - Olivier Brouckaert
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* @return - string - exercise description
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*/
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function selectSound() {
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return $this->sound;
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}
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/**
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* returns the exercise type
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*
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* @author - Olivier Brouckaert
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* @return - integer - exercise type
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*/
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function selectType() {
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return $this->type;
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}
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/**
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* @author - hubert borderiou 30-11-11
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* @return - integer : do we display the question category name for students
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*/
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function selectDisplayCategoryName() {
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return $this->display_category_name;
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}
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function selectPassPercentage() {
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return $this->pass_percentage;
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}
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/**
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* @author - hubert borderiou 30-11-11
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* @return - : modify object to update the switch display_category_name
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* $in_txt is an integer 0 or 1
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*/
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function updateDisplayCategoryName($in_txt) {
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$this->display_category_name = $in_txt;
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}
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/**
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* @author - hubert borderiou 28-11-11
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* @return - html text : the text to display ay the end of the test.
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*/
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function selectTextWhenFinished() {
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return $this->text_when_finished;
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}
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/**
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* @author - hubert borderiou 28-11-11
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* @return - html text : update the text to display ay the end of the test.
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*/
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function updateTextWhenFinished($in_txt) {
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$this->text_when_finished = $in_txt;
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}
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/**
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* return 1 or 2 if randomByCat
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* @author - hubert borderiou
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* @return - integer - quiz random by category
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*/
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function selectRandomByCat() {
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return $this->randomByCat;
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}
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/**
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* return 0 if no random by cat
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* return 1 if random by cat, categories shuffled
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* return 2 if random by cat, categories sorted by alphabetic order
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* @author - hubert borderiou
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* @return - integer - quiz random by category
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*/
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function isRandomByCat() {
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$res = 0;
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if ($this->randomByCat == 1) {
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$res = 1;
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}
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else if ($this->randomByCat == 2) {
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$res = 2;
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}
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return $res;
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}
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/**
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* return nothing
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* update randomByCat value for object
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* @author - hubert borderiou
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*/
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function updateRandomByCat($in_randombycat) {
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if ($in_randombycat == 1) {
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$this->randomByCat = 1;
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}
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else if ($in_randombycat == 2) {
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$this->randomByCat = 2;
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}
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else {
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$this->randomByCat = 0;
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}
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}
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/**
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* tells if questions are selected randomly, and if so returns the draws
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*
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* @author - Carlos Vargas
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* @return - integer - results disabled exercise
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*/
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function selectResultsDisabled() {
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return $this->results_disabled;
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}
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/**
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* tells if questions are selected randomly, and if so returns the draws
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*
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* @author - Olivier Brouckaert
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* @return - integer - 0 if not random, otherwise the draws
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*/
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function isRandom() {
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if($this->random > 0 || $this->random == -1) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* returns random answers status.
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*
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* @author - Juan Carlos Ra�a
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*/
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function selectRandomAnswers() {
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$this->random_answers;
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return $this->random_answers;
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}
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/**
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* Same as isRandom() but has a name applied to values different than 0 or 1
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*/
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function getShuffle() {
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return $this->random;
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}
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/**
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* returns the exercise status (1 = enabled ; 0 = disabled)
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*
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* @author - Olivier Brouckaert
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* @return - boolean - true if enabled, otherwise false
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*/
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function selectStatus() {
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return $this->active;
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}
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/**
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* returns the array with the question ID list
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*
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* @author - Olivier Brouckaert
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* @return - array - question ID list
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*/
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function selectQuestionList($from_db = false) {
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if ($from_db && !empty($this->id)) {
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$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
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$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
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$sql = "SELECT question_id, question_order FROM $TBL_EXERCICE_QUESTION eq , $TBL_QUESTIONS q
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WHERE eq.question_id = q.id AND
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exercice_id='".$this->id."' AND
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eq.c_id = {$this->course_id} AND
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q.c_id = {$this->course_id}
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ORDER BY question_order";
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$result = Database::query($sql);
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$question_list = array();
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while ($new_object = Database::fetch_object($result)) {
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$question_list[$new_object->question_order]= $new_object->question_id;
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}
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return $question_list;
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}
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return $this->questionList;
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}
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/**
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* returns the number of questions in this exercise
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*
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* @author - Olivier Brouckaert
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* @return - integer - number of questions
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*/
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function selectNbrQuestions() {
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return sizeof($this->questionList);
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}
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function selectPropagateNeg() {
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return $this->propagate_neg;
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}
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/**
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* Selects questions randomly in the question list
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*
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* @author - Olivier Brouckaert
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* @return - array - if the exercise is not set to take questions randomly, returns the question list
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* without randomizing, otherwise, returns the list with questions selected randomly
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* Modified by Hubert Borderiou 15 nov 2011
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*/
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function selectRandomList() {
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$nbQuestions = $this->selectNbrQuestions();
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$temp_list = $this->questionList;
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//Not a random exercise, or if there are not at least 2 questions
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if($this->random == 0 || $nbQuestions < 2) {
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return $this->questionList;
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}
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if ($nbQuestions != 0) {
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shuffle($temp_list);
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$my_random_list = array_combine(range(1,$nbQuestions),$temp_list);
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$my_question_list = array();
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// $this->random == -1 if random with all questions
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if ($this->random > 0) {
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$i = 0;
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foreach ($my_random_list as $item) {
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if ($i < $this->random) {
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$my_question_list[$i] = $item;
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} else {
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break;
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}
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$i++;
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}
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} else {
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$my_question_list = $my_random_list;
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}
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return $my_question_list;
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}
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}
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/**
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* returns 'true' if the question ID is in the question list
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*
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* @author - Olivier Brouckaert
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* @param - integer $questionId - question ID
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* @return - boolean - true if in the list, otherwise false
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*/
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function isInList($questionId) {
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if (is_array($this->questionList))
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return in_array($questionId,$this->questionList);
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else
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return false;
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}
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/**
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* changes the exercise title
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*
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* @author - Olivier Brouckaert
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* @param - string $title - exercise title
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*/
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function updateTitle($title) {
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$this->exercise=$title;
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}
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/**
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* changes the exercise max attempts
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*
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* @param - numeric $attempts - exercise max attempts
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*/
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function updateAttempts($attempts) {
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$this->attempts=$attempts;
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}
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|
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/**
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* changes the exercise feedback type
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*
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* @param - numeric $attempts - exercise max attempts
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*/
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function updateFeedbackType($feedback_type) {
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$this->feedbacktype=$feedback_type;
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}
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|
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/**
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* changes the exercise description
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*
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* @author - Olivier Brouckaert
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* @param - string $description - exercise description
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*/
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function updateDescription($description) {
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$this->description=$description;
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}
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|
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/**
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* changes the exercise expired_time
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*
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* @author - Isaac flores
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* @param - int The expired time of the quiz
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*/
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function updateExpiredTime($expired_time) {
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$this->expired_time = $expired_time;
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}
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function updatePropagateNegative($value) {
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$this->propagate_neg = $value;
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}
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function updateReviewAnswers($value) {
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$this->review_answers = (isset($value) && $value) ? true : false;
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}
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function updatePassPercentage($value) {
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$this->pass_percentage = $value;
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}
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|
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/**
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* changes the exercise sound file
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*
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* @author - Olivier Brouckaert
|
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* @param - string $sound - exercise sound file
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* @param - string $delete - ask to delete the file
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*/
|
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function updateSound($sound,$delete) {
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global $audioPath, $documentPath;
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$TBL_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
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if ($sound['size'] && (strstr($sound['type'],'audio') || strstr($sound['type'],'video'))) {
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$this->sound=$sound['name'];
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|
|
if (@move_uploaded_file($sound['tmp_name'],$audioPath.'/'.$this->sound)) {
|
|
$query="SELECT 1 FROM $TBL_DOCUMENT WHERE c_id = ".$this->course_id." AND path='".str_replace($documentPath,'',$audioPath).'/'.$this->sound."'";
|
|
$result=Database::query($query);
|
|
|
|
if(!Database::num_rows($result)) {
|
|
/*$query="INSERT INTO $TBL_DOCUMENT(path,filetype) VALUES "
|
|
." ('".str_replace($documentPath,'',$audioPath).'/'.$this->sound."','file')";
|
|
Database::query($query);*/
|
|
$id = add_document($this->course,str_replace($documentPath,'',$audioPath).'/'.$this->sound,'file',$sound['size'],$sound['name']);
|
|
api_item_property_update($this->course, TOOL_DOCUMENT, $id, 'DocumentAdded',api_get_user_id());
|
|
item_property_update_on_folder($this->course,str_replace($documentPath,'',$audioPath),api_get_user_id());
|
|
}
|
|
}
|
|
} elseif($delete && is_file($audioPath.'/'.$this->sound)) {
|
|
$this->sound='';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* changes the exercise type
|
|
*
|
|
* @author - Olivier Brouckaert
|
|
* @param - integer $type - exercise type
|
|
*/
|
|
function updateType($type) {
|
|
$this->type=$type;
|
|
}
|
|
|
|
/**
|
|
* sets to 0 if questions are not selected randomly
|
|
* if questions are selected randomly, sets the draws
|
|
*
|
|
* @author - Olivier Brouckaert
|
|
* @param - integer $random - 0 if not random, otherwise the draws
|
|
*/
|
|
function setRandom($random) {
|
|
/*if ($random == 'all') {
|
|
$random = $this->selectNbrQuestions();
|
|
}*/
|
|
$this->random = $random;
|
|
}
|
|
|
|
|
|
/**
|
|
* sets to 0 if answers are not selected randomly
|
|
* if answers are selected randomly
|
|
* @author - Juan Carlos Ra�a
|
|
* @param - integer $random_answers - random answers
|
|
*/
|
|
function updateRandomAnswers($random_answers) {
|
|
$this->random_answers = $random_answers;
|
|
}
|
|
|
|
/**
|
|
* enables the exercise
|
|
*
|
|
* @author - Olivier Brouckaert
|
|
*/
|
|
function enable() {
|
|
$this->active=1;
|
|
}
|
|
|
|
/**
|
|
* disables the exercise
|
|
*
|
|
* @author - Olivier Brouckaert
|
|
*/
|
|
function disable() {
|
|
$this->active=0;
|
|
}
|
|
|
|
function disable_results() {
|
|
$this->results_disabled = true;
|
|
}
|
|
|
|
function enable_results()
|
|
{
|
|
$this->results_disabled = false;
|
|
}
|
|
function updateResultsDisabled($results_disabled) {
|
|
$this->results_disabled = intval($results_disabled);
|
|
}
|
|
|
|
|
|
/**
|
|
* updates the exercise in the data base
|
|
*
|
|
* @author - Olivier Brouckaert
|
|
*/
|
|
function save($type_e = '') {
|
|
global $_course;
|
|
$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
|
|
|
|
$id = $this->id;
|
|
$exercise = $this->exercise;
|
|
$description = $this->description;
|
|
$sound = $this->sound;
|
|
$type = $this->type;
|
|
$attempts = $this->attempts;
|
|
$feedbacktype = $this->feedbacktype;
|
|
$random = $this->random;
|
|
$random_answers = $this->random_answers;
|
|
$active = $this->active;
|
|
$propagate_neg = $this->propagate_neg;
|
|
$review_answers = (isset($this->review_answers) && $this->review_answers) ? 1 : 0;
|
|
$randomByCat = $this->randomByCat;
|
|
$text_when_finished = $this->text_when_finished;
|
|
$display_category_name = intval($this->display_category_name);
|
|
$pass_percentage = intval($this->pass_percentage);
|
|
|
|
$session_id = api_get_session_id();
|
|
|
|
//If direct we do not show results
|
|
if ($feedbacktype == EXERCISE_FEEDBACK_TYPE_DIRECT) {
|
|
$results_disabled = 0;
|
|
} else {
|
|
$results_disabled = intval($this->results_disabled);
|
|
}
|
|
|
|
$expired_time = intval($this->expired_time);
|
|
|
|
if (!empty($this->start_time) && $this->start_time != '0000-00-00 00:00:00') {
|
|
$start_time = Database::escape_string(api_get_utc_datetime($this->start_time));
|
|
} else {
|
|
$start_time = '0000-00-00 00:00:00';
|
|
}
|
|
if (!empty($this->end_time) && $this->end_time != '0000-00-00 00:00:00') {
|
|
$end_time = Database::escape_string(api_get_utc_datetime($this->end_time));
|
|
} else {
|
|
$end_time = '0000-00-00 00:00:00';
|
|
}
|
|
|
|
// Exercise already exists
|
|
if ($id) {
|
|
$sql="UPDATE $TBL_EXERCICES SET
|
|
title='".Database::escape_string($exercise)."',
|
|
description='".Database::escape_string($description)."'";
|
|
|
|
if ($type_e != 'simple') {
|
|
$sql .= ",sound='".Database::escape_string($sound)."',
|
|
type ='".Database::escape_string($type)."',
|
|
random ='".Database::escape_string($random)."',
|
|
random_answers ='".Database::escape_string($random_answers)."',
|
|
active ='".Database::escape_string($active)."',
|
|
feedback_type ='".Database::escape_string($feedbacktype)."',
|
|
start_time = '$start_time',
|
|
end_time = '$end_time',
|
|
max_attempt ='".Database::escape_string($attempts)."',
|
|
expired_time ='".Database::escape_string($expired_time)."',
|
|
propagate_neg ='".Database::escape_string($propagate_neg)."',
|
|
review_answers ='".Database::escape_string($review_answers)."',
|
|
random_by_category='".Database::escape_string($randomByCat)."',
|
|
text_when_finished = '".Database::escape_string($text_when_finished)."',
|
|
display_category_name = '".Database::escape_string($display_category_name)."',
|
|
pass_percentage = '".Database::escape_string($pass_percentage)."',
|
|
results_disabled='".Database::escape_string($results_disabled)."'";
|
|
}
|
|
$sql .= " WHERE c_id = ".$this->course_id." AND id='".Database::escape_string($id)."'";
|
|
Database::query($sql);
|
|
|
|
// update into the item_property table
|
|
api_item_property_update($_course, TOOL_QUIZ, $id,'QuizUpdated',api_get_user_id());
|
|
|
|
if (api_get_setting('search_enabled')=='true') {
|
|
$this->search_engine_edit();
|
|
}
|
|
} else {
|
|
// creates a new exercise
|
|
$sql = "INSERT INTO $TBL_EXERCICES (c_id, start_time, end_time, title, description, sound, type, random, random_answers, active,
|
|
results_disabled, max_attempt, feedback_type, expired_time, session_id, review_answers, random_by_category,
|
|
text_when_finished, display_category_name, pass_percentage)
|
|
VALUES(
|
|
".$this->course_id.",
|
|
'$start_time','$end_time',
|
|
'".Database::escape_string($exercise)."',
|
|
'".Database::escape_string($description)."',
|
|
'".Database::escape_string($sound)."',
|
|
'".Database::escape_string($type)."',
|
|
'".Database::escape_string($random)."',
|
|
'".Database::escape_string($random_answers)."',
|
|
'".Database::escape_string($active)."',
|
|
'".Database::escape_string($results_disabled)."',
|
|
'".Database::escape_string($attempts)."',
|
|
'".Database::escape_string($feedbacktype)."',
|
|
'".Database::escape_string($expired_time)."',
|
|
'".Database::escape_string($session_id)."',
|
|
'".Database::escape_string($review_answers)."',
|
|
'".Database::escape_string($randomByCat)."',
|
|
'".Database::escape_string($text_when_finished)."',
|
|
'".Database::escape_string($display_category_name)."',
|
|
'".Database::escape_string($pass_percentage)."'
|
|
)";
|
|
Database::query($sql);
|
|
$this->id = Database::insert_id();
|
|
|
|
// insert into the item_property table
|
|
api_item_property_update($this->course, TOOL_QUIZ, $this->id,'QuizAdded',api_get_user_id());
|
|
if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian')) {
|
|
$this->search_engine_save();
|
|
}
|
|
}
|
|
|
|
// updates the question position
|
|
$this->update_question_positions();
|
|
}
|
|
|
|
/* Updates question position */
|
|
function update_question_positions() {
|
|
$quiz_question_table = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
|
|
//Fixes #3483 when updating order
|
|
$question_list = $this->selectQuestionList(true);
|
|
if (!empty($question_list)) {
|
|
foreach ($question_list as $position => $questionId) {
|
|
$sql="UPDATE $quiz_question_table SET question_order ='".intval($position)."'".
|
|
"WHERE c_id = ".$this->course_id." AND question_id = ".intval($questionId)." AND exercice_id=".intval($this->id);
|
|
Database::query($sql);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds a question into the question list
|
|
*
|
|
* @author - Olivier Brouckaert
|
|
* @param - integer $questionId - question ID
|
|
* @return - boolean - true if the question has been added, otherwise false
|
|
*/
|
|
function addToList($questionId) {
|
|
// checks if the question ID is not in the list
|
|
if(!$this->isInList($questionId)) {
|
|
// selects the max position
|
|
if(!$this->selectNbrQuestions()) {
|
|
$pos=1;
|
|
} else {
|
|
if (is_array($this->questionList))
|
|
$pos=max(array_keys($this->questionList))+1;
|
|
}
|
|
$this->questionList[$pos]=$questionId;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* removes a question from the question list
|
|
*
|
|
* @author - Olivier Brouckaert
|
|
* @param - integer $questionId - question ID
|
|
* @return - boolean - true if the question has been removed, otherwise false
|
|
*/
|
|
function removeFromList($questionId) {
|
|
// searches the position of the question ID in the list
|
|
$pos = array_search($questionId,$this->questionList);
|
|
|
|
// question not found
|
|
if ($pos === false) {
|
|
return false;
|
|
} else {
|
|
// dont reduce the number of random question if we use random by category option, or if
|
|
// random all questions
|
|
if ($this->isRandom() && $this->isRandomByCat() == 0) {
|
|
if (count($this->questionList) >= $this->random && $this->random > 0) {
|
|
$this->random -= 1;
|
|
$this->save();
|
|
}
|
|
}
|
|
// deletes the position from the array containing the wanted question ID
|
|
unset($this->questionList[$pos]);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* deletes the exercise from the database
|
|
* Notice : leaves the question in the data base
|
|
*
|
|
* @author - Olivier Brouckaert
|
|
*/
|
|
function delete() {
|
|
$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
|
|
$sql="UPDATE $TBL_EXERCICES SET active='-1' WHERE c_id = ".$this->course_id." AND id='".Database::escape_string($this->id)."'";
|
|
Database::query($sql);
|
|
api_item_property_update($this->course, TOOL_QUIZ, $this->id,'QuizDeleted',api_get_user_id());
|
|
|
|
if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian') ) {
|
|
$this->search_engine_delete();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates the form to create / edit an exercise
|
|
* @param FormValidator $form the formvalidator instance (by reference)
|
|
*/
|
|
function createForm ($form, $type='full') {
|
|
global $id;
|
|
|
|
if (empty($type)){
|
|
$type='full';
|
|
}
|
|
|
|
// form title
|
|
if (!empty($_GET['exerciseId'])) {
|
|
$form_title = get_lang('ModifyExercise');
|
|
} else {
|
|
$form_title = get_lang('NewEx');
|
|
}
|
|
|
|
$form->addElement('header', '', $form_title);
|
|
|
|
// title
|
|
$form->addElement('text', 'exerciseTitle', get_lang('ExerciseName'), array('class' => 'span6','id'=>'exercise_title'));
|
|
//$form->applyFilter('exerciseTitle','html_filter');
|
|
|
|
$form->addElement('advanced_settings','
|
|
<a href="javascript://" onclick=" return show_media()">
|
|
<span id="media_icon">
|
|
<img style="vertical-align: middle;" src="../img/looknfeel.png" alt="" /> '.addslashes(api_htmlentities(get_lang('ExerciseDescription'))).'
|
|
</span>
|
|
</a>
|
|
');
|
|
|
|
$editor_config = array('ToolbarSet' => 'TestQuestionDescription', 'Width' => '100%', 'Height' => '150');
|
|
if (is_array($type)){
|
|
$editor_config = array_merge($editor_config, $type);
|
|
}
|
|
|
|
$form->addElement ('html','<div class="HideFCKEditor" id="HiddenFCKexerciseDescription" >');
|
|
$form->add_html_editor('exerciseDescription', get_lang('langExerciseDescription'), false, false, $editor_config);
|
|
$form->addElement ('html','</div>');
|
|
|
|
$form->addElement('advanced_settings','<a href="javascript://" onclick=" return advanced_parameters()"><span id="img_plus_and_minus"><div style="vertical-align:top;" >
|
|
<img style="vertical-align:middle;" src="../img/div_show.gif" alt="" /> '.addslashes(api_htmlentities(get_lang('AdvancedParameters'))).'</div></span></a>');
|
|
|
|
// Random questions
|
|
// style="" and not "display:none" to avoid #4029 Random and number of attempt menu empty
|
|
$form->addElement('html','<div id="options" style="">');
|
|
|
|
if ($type=='full') {
|
|
|
|
/*$feedback_option[0]=get_lang('ExerciseAtTheEndOfTheTest');
|
|
$feedback_option[1]=get_lang('DirectFeedback');
|
|
$feedback_option[2]=get_lang('NoFeedback');
|
|
*/
|
|
//Can't modify a DirectFeedback question
|
|
if ($this->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_DIRECT ) {
|
|
// feedback type
|
|
$radios_feedback = array();
|
|
$radios_feedback[] = FormValidator :: createElement ('radio', 'exerciseFeedbackType', null, get_lang('ExerciseAtTheEndOfTheTest'),'0',array('id' =>'exerciseType_0', 'onclick' => 'check_feedback()'));
|
|
|
|
if (api_get_setting('enable_quiz_scenario') == 'true') {
|
|
//Can't convert a question from one feedback to another if there is more than 1 question already added
|
|
if ($this->selectNbrQuestions() == 0) {
|
|
$radios_feedback[] = FormValidator :: createElement ('radio', 'exerciseFeedbackType', null, get_lang('DirectFeedback'),'1',array('id' =>'exerciseType_1' , 'onclick' => 'check_direct_feedback()'));
|
|
}
|
|
}
|
|
|
|
$radios_feedback[] = FormValidator :: createElement ('radio', 'exerciseFeedbackType', null, get_lang('NoFeedback'),'2',array('id' =>'exerciseType_2'));
|
|
$form->addGroup($radios_feedback, null, get_lang('FeedbackType'), '');
|
|
|
|
//$form->addElement('select', 'exerciseFeedbackType',get_lang('FeedbackType'),$feedback_option,'onchange="javascript:feedbackselection()"');
|
|
// test type
|
|
$radios = array();
|
|
|
|
$radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('SimpleExercise'), '1', array('onclick' => 'check_per_page_all()', 'id'=>'option_page_all'));
|
|
$radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('SequentialExercise'),'2', array('onclick' => 'check_per_page_one()', 'id'=>'option_page_one'));
|
|
|
|
$form->addGroup($radios, null, get_lang('QuestionsPerPage'), '');
|
|
|
|
$radios_results_disabled = array();
|
|
$radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('ShowScoreAndRightAnswer'), '0', array('id'=>'result_disabled_0'));
|
|
$radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('DoNotShowScoreNorRightAnswer'), '1',array('id'=>'result_disabled_1','onclick' => 'check_results_disabled()'));
|
|
$radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('OnlyShowScore'), '2',array('id'=>'result_disabled_2','onclick' => 'check_results_disabled()'));
|
|
$form->addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'), '');
|
|
|
|
} else {
|
|
// if is Directfeedback but has not questions we can allow to modify the question type
|
|
if ($this->selectNbrQuestions() == 0) {
|
|
|
|
// feedback type
|
|
$radios_feedback = array();
|
|
$radios_feedback[] = FormValidator :: createElement ('radio', 'exerciseFeedbackType', null, get_lang('ExerciseAtTheEndOfTheTest'),'0',array('id' =>'exerciseType_0', 'onclick' => 'check_feedback()'));
|
|
|
|
if (api_get_setting('enable_quiz_scenario') == 'true') {
|
|
$radios_feedback[] = FormValidator :: createElement ('radio', 'exerciseFeedbackType', null, get_lang('DirectFeedback'), '1', array('id' =>'exerciseType_1' , 'onclick' => 'check_direct_feedback()'));
|
|
}
|
|
$radios_feedback[] = FormValidator :: createElement ('radio', 'exerciseFeedbackType', null, get_lang('NoFeedback'),'2',array('id' =>'exerciseType_2'));
|
|
$form->addGroup($radios_feedback, null, get_lang('FeedbackType'));
|
|
|
|
|
|
//$form->addElement('select', 'exerciseFeedbackType',get_lang('FeedbackType'),$feedback_option,'onchange="javascript:feedbackselection()"');
|
|
// test type
|
|
$radios = array();
|
|
$radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('SimpleExercise'), '1');
|
|
$radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('SequentialExercise'),'2');
|
|
$form->addGroup($radios, null, get_lang('ExerciseType'));
|
|
|
|
$radios_results_disabled = array();
|
|
$radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('ShowScoreAndRightAnswer'), '0', array('id'=>'result_disabled_0'));
|
|
$radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('DoNotShowScoreNorRightAnswer'), '1',array('id'=>'result_disabled_1','onclick' => 'check_results_disabled()'));
|
|
$radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('OnlyShowScore'), '2',array('id'=>'result_disabled_2','onclick' => 'check_results_disabled()'));
|
|
$form->addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'),'');
|
|
} else {
|
|
//Show options freeze
|
|
$radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('ShowScoreAndRightAnswer'), '0', array('id'=>'result_disabled_0'));
|
|
$radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('DoNotShowScoreNorRightAnswer'), '1',array('id'=>'result_disabled_1','onclick' => 'check_results_disabled()'));
|
|
$radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('OnlyShowScore'), '2',array('id'=>'result_disabled_2','onclick' => 'check_results_disabled()'));
|
|
$result_disable_group = $form->addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'),'');
|
|
$result_disable_group->freeze();
|
|
|
|
$radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('SimpleExercise'), '1', array('onclick' => 'check_per_page_all()', 'id'=>'option_page_all'));
|
|
$radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('SequentialExercise'),'2', array('onclick' => 'check_per_page_one()', 'id'=>'option_page_one'));
|
|
|
|
$type_group = $form->addGroup($radios, null, get_lang('QuestionsPerPage'), '');
|
|
$type_group->freeze();
|
|
|
|
//we force the options to the DirectFeedback exercisetype
|
|
$form->addElement('hidden', 'exerciseFeedbackType', EXERCISE_FEEDBACK_TYPE_DIRECT);
|
|
$form->addElement('hidden', 'exerciseType', ONE_PER_PAGE);
|
|
}
|
|
}
|
|
|
|
// number of random question
|
|
$option = array();
|
|
$max = ($this->id > 0) ? $this->selectNbrQuestions() : 10 ;
|
|
$option = range(0,$max);
|
|
$option[0] = get_lang('No');
|
|
$option[-1] = get_lang('Everybody'); // #3942
|
|
$form->addElement('select', 'randomQuestions',array(get_lang('RandomQuestions'), get_lang('RandomQuestionsHelp')), $option, array('id'=>'randomQuestions','class'=>'chzn-select'));
|
|
|
|
//random answers
|
|
$radios_random_answers = array();
|
|
$radios_random_answers[] = FormValidator :: createElement ('radio', 'randomAnswers', null, get_lang('Yes'),'1');
|
|
$radios_random_answers[] = FormValidator :: createElement ('radio', 'randomAnswers', null, get_lang('No'),'0');
|
|
$form->addGroup($radios_random_answers, null, get_lang('RandomAnswers'), '');
|
|
|
|
//randow by category
|
|
$form->addElement('html','<div class="clear"> </div>');
|
|
$radiocat = array();
|
|
$radiocat[] = FormValidator::createElement('radio', 'randomByCat', null, get_lang('YesWithCategoriesShuffled'),'1');
|
|
$radiocat[] = FormValidator::createElement('radio', 'randomByCat', null, get_lang('YesWithCategoriesSorted'),'2');
|
|
$radiocat[] = FormValidator::createElement('radio', 'randomByCat', null, get_lang('No'),'0');
|
|
$form->addGroup($radiocat, null, get_lang('RandomQuestionByCategory'), '');
|
|
$form->addElement('html','<div class="clear"> </div>');
|
|
|
|
// add the radio display the category name for student
|
|
$radio_display_cat_name = array();
|
|
$radio_display_cat_name[] = FormValidator::createElement('radio', 'display_category_name', null, get_lang('Yes'),'1');
|
|
$radio_display_cat_name[] = FormValidator::createElement('radio', 'display_category_name', null, get_lang('No'),'0');
|
|
$form->addGroup($radio_display_cat_name, null, get_lang('QuestionDisplayCategoryName'), '');
|
|
|
|
//Attempts
|
|
$attempt_option=range(0,10);
|
|
$attempt_option[0]=get_lang('Infinite');
|
|
|
|
$form->addElement('select', 'exerciseAttempts',get_lang('ExerciseAttempts'),$attempt_option, array('id'=>'exerciseAttempts','class'=>'chzn-select'));
|
|
|
|
// Exercice time limit
|
|
$form->addElement('checkbox', 'activate_start_date_check',null, get_lang('EnableStartTime'), array('onclick' => 'activate_start_date()'));
|
|
|
|
$var = Exercise::selectTimeLimit();
|
|
|
|
if (($this->start_time!='0000-00-00 00:00:00'))
|
|
$form->addElement('html','<div id="start_date_div" style="display:block;">');
|
|
else
|
|
$form->addElement('html','<div id="start_date_div" style="display:none;">');
|
|
|
|
$form->addElement('datepicker', 'start_time', '', array('form_name'=>'exercise_admin'), 5);
|
|
|
|
$form->addElement('html','</div>');
|
|
|
|
$form->addElement('checkbox', 'activate_end_date_check', null , get_lang('EnableEndTime'), array('onclick' => 'activate_end_date()'));
|
|
|
|
if (($this->end_time!='0000-00-00 00:00:00'))
|
|
$form->addElement('html','<div id="end_date_div" style="display:block;">');
|
|
else
|
|
$form->addElement('html','<div id="end_date_div" style="display:none;">');
|
|
|
|
$form->addElement('datepicker', 'end_time', '', array('form_name'=>'exercise_admin'), 5);
|
|
$form->addElement('html','</div>');
|
|
|
|
//$check_option=$this->selectType();
|
|
$diplay = 'block';
|
|
$form->addElement('checkbox', 'propagate_neg', null, get_lang('PropagateNegativeResults'));
|
|
$form->addElement('html','<div class="clear"> </div>');
|
|
$form->addElement('checkbox', 'review_answers', null, get_lang('ReviewAnswers'));
|
|
|
|
$form->addElement('html','<div id="divtimecontrol" style="display:'.$diplay.';">');
|
|
|
|
//Timer control
|
|
//$time_hours_option = range(0,12);
|
|
//$time_minutes_option = range(0,59);
|
|
$form->addElement('checkbox', 'enabletimercontrol', null, get_lang('EnableTimerControl'), array('onclick' =>'option_time_expired()','id'=>'enabletimercontrol','onload'=>'check_load_time()'));
|
|
$expired_date = (int)$this->selectExpiredTime();
|
|
|
|
if (($expired_date!='0')) {
|
|
$form->addElement('html','<div id="timercontrol" style="display:block;">');
|
|
} else {
|
|
$form->addElement('html','<div id="timercontrol" style="display:none;">');
|
|
}
|
|
$form->addElement('text', 'enabletimercontroltotalminutes',get_lang('ExerciseTotalDurationInMinutes'),array('style' => 'width : 35px','id' => 'enabletimercontroltotalminutes'));
|
|
$form->addElement('html','</div>');
|
|
|
|
|
|
//Pass percentage
|
|
$options = array('' => '-');
|
|
for ($i = 0; $i <= 20 ; $i++) {
|
|
$options[$i*5] = $i*5;
|
|
}
|
|
$form->addElement('select', 'pass_percentage', array(get_lang('PassPercentage'), null, '%'), $options, array('id' => 'pass_percentage', 'class' => 'chzn-select'));
|
|
|
|
//$form->addElement('text', 'exerciseAttempts', get_lang('ExerciseAttempts').' : ',array('size'=>'2'));
|
|
|
|
// add the text_when_finished textbox
|
|
$form -> add_html_editor('text_when_finished', get_lang('TextWhenFinished'), false, false, $editor_config);
|
|
|
|
$defaults = array();
|
|
|
|
if (api_get_setting('search_enabled') === 'true') {
|
|
require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php';
|
|
|
|
$form->addElement ('checkbox', 'index_document','', get_lang('SearchFeatureDoIndexDocument'));
|
|
//$form->addElement ('html', '<div class="label">'. get_lang('SearchFeatureDocumentLanguage') .'</div>');
|
|
//$form->addElement ('html', '<div class="formw">'. api_get_languages_combo() .'</div>');
|
|
$form->addElement ('select_language', 'language', get_lang('SearchFeatureDocumentLanguage'));
|
|
//$form->addElement ('html','</div><div class="sub-form">');
|
|
|
|
$specific_fields = get_specific_field_list();
|
|
|
|
foreach ($specific_fields as $specific_field) {
|
|
$form->addElement ('text', $specific_field['code'], $specific_field['name']);
|
|
$filter = array('c_id'=> "'". api_get_course_int_id() ."'", 'field_id' => $specific_field['id'], 'ref_id' => $this->id, 'tool_id' => '\''. TOOL_QUIZ .'\'');
|
|
$values = get_specific_field_values_list($filter, array('value'));
|
|
if ( !empty($values) ) {
|
|
$arr_str_values = array();
|
|
foreach ($values as $value) {
|
|
$arr_str_values[] = $value['value'];
|
|
}
|
|
$defaults[$specific_field['code']] = implode(', ', $arr_str_values);
|
|
}
|
|
}
|
|
//$form->addElement ('html','</div>');
|
|
}
|
|
|
|
$form->addElement('html','</div>'); //End advanced setting
|
|
$form->addElement('html','</div>');
|
|
}
|
|
|
|
// submit
|
|
isset($_GET['exerciseId'])?$text=get_lang('ModifyExercise'):$text=get_lang('ProcedToQuestions');
|
|
|
|
$form->addElement('style_submit_button', 'submitExercise', $text, 'class="save"');
|
|
|
|
$form->addRule('exerciseTitle', get_lang('GiveExerciseName'), 'required');
|
|
|
|
if ($type=='full') {
|
|
// rules
|
|
$form->addRule('exerciseAttempts', get_lang('Numeric'), 'numeric');
|
|
$form->addRule('start_time', get_lang('InvalidDate'), 'date');
|
|
$form->addRule('end_time', get_lang('InvalidDate'), 'date');
|
|
//$form->addRule(array ('start_time', 'end_time'), get_lang('StartDateShouldBeBeforeEndDate'), 'date_compare', 'lte');
|
|
}
|
|
|
|
// defaults
|
|
if ($type=='full') {
|
|
if ($this->id > 0) {
|
|
if ($this->random > $this->selectNbrQuestions()) {
|
|
$defaults['randomQuestions'] = $this->selectNbrQuestions();
|
|
} else {
|
|
$defaults['randomQuestions'] = $this->random;
|
|
}
|
|
|
|
$defaults['randomAnswers'] = $this->selectRandomAnswers();
|
|
$defaults['exerciseType'] = $this->selectType();
|
|
$defaults['exerciseTitle'] = $this->selectTitle();
|
|
$defaults['exerciseDescription'] = $this->selectDescription();
|
|
$defaults['exerciseAttempts'] = $this->selectAttempts();
|
|
$defaults['exerciseFeedbackType'] = $this->selectFeedbackType();
|
|
$defaults['results_disabled'] = $this->selectResultsDisabled();
|
|
$defaults['propagate_neg'] = $this->selectPropagateNeg();
|
|
$defaults['review_answers'] = $this->review_answers;
|
|
$defaults['randomByCat'] = $this->selectRandomByCat(); //
|
|
$defaults['text_when_finished'] = $this->selectTextWhenFinished(); //
|
|
$defaults['display_category_name'] = $this->selectDisplayCategoryName(); //
|
|
$defaults['pass_percentage'] = $this->selectPassPercentage();
|
|
|
|
if (($this->start_time!='0000-00-00 00:00:00'))
|
|
$defaults['activate_start_date_check'] = 1;
|
|
if ($this->end_time!='0000-00-00 00:00:00')
|
|
$defaults['activate_end_date_check'] = 1;
|
|
|
|
$defaults['start_time'] = ($this->start_time!='0000-00-00 00:00:00') ? $this->start_time : date('Y-m-d 12:00:00');
|
|
$defaults['end_time'] = ($this->end_time!='0000-00-00 00:00:00') ? $this->end_time : date('Y-m-d 12:00:00',time()+84600);
|
|
|
|
//Get expired time
|
|
if($this->expired_time != '0') {
|
|
$defaults['enabletimercontrol'] = 1;
|
|
$defaults['enabletimercontroltotalminutes'] = $this->expired_time;
|
|
} else {
|
|
$defaults['enabletimercontroltotalminutes'] = 0;
|
|
}
|
|
} else {
|
|
$defaults['exerciseType'] = 2;
|
|
$defaults['exerciseAttempts'] = 0;
|
|
$defaults['randomQuestions'] = 0;
|
|
$defaults['randomAnswers'] = 0;
|
|
$defaults['exerciseDescription'] = '';
|
|
$defaults['exerciseFeedbackType'] = 0;
|
|
$defaults['results_disabled'] = 0;
|
|
$defaults['randomByCat'] = 0; //
|
|
$defaults['text_when_finished'] = ""; //
|
|
$defaults['start_time'] = date('Y-m-d 12:00:00');
|
|
$defaults['display_category_name'] = 1; //
|
|
$defaults['end_time'] = date('Y-m-d 12:00:00',time()+84600);
|
|
$defaults['pass_percentage'] = '';
|
|
}
|
|
} else {
|
|
$defaults['exerciseTitle'] = $this->selectTitle();
|
|
$defaults['exerciseDescription'] = $this->selectDescription();
|
|
}
|
|
if (api_get_setting('search_enabled') === 'true') {
|
|
$defaults['index_document'] = 'checked="checked"';
|
|
}
|
|
$form->setDefaults($defaults);
|
|
}
|
|
|
|
/**
|
|
* function which process the creation of exercises
|
|
* @param FormValidator $form the formvalidator instance
|
|
*/
|
|
function processCreation($form, $type='') {
|
|
|
|
$this->updateTitle($form->getSubmitValue('exerciseTitle'));
|
|
$this->updateDescription($form->getSubmitValue('exerciseDescription'));
|
|
$this->updateAttempts($form->getSubmitValue('exerciseAttempts'));
|
|
$this->updateFeedbackType($form->getSubmitValue('exerciseFeedbackType'));
|
|
$this->updateType($form->getSubmitValue('exerciseType'));
|
|
$this->setRandom($form->getSubmitValue('randomQuestions'));
|
|
$this->updateRandomAnswers($form->getSubmitValue('randomAnswers'));
|
|
$this->updateResultsDisabled($form->getSubmitValue('results_disabled'));
|
|
$this->updateExpiredTime($form->getSubmitValue('enabletimercontroltotalminutes'));
|
|
$this->updatePropagateNegative($form->getSubmitValue('propagate_neg'));
|
|
$this->updateRandomByCat($form->getSubmitValue('randomByCat'));
|
|
$this->updateTextWhenFinished($form->getSubmitValue('text_when_finished'));
|
|
$this->updateDisplayCategoryName($form->getSubmitValue('display_category_name'));
|
|
$this->updateReviewAnswers($form->getSubmitValue('review_answers'));
|
|
$this->updatePassPercentage($form->getSubmitValue('pass_percentage'));
|
|
|
|
if ($form->getSubmitValue('activate_start_date_check') == 1) {
|
|
$start_time = $form->getSubmitValue('start_time');
|
|
$this->start_time = $start_time['Y'].'-'.$start_time['F'].'-'.$start_time['d'].' '.$start_time['H'].':'.$start_time['i'].':00';
|
|
} else {
|
|
$this->start_time = '0000-00-00 00:00:00';
|
|
}
|
|
|
|
if ($form->getSubmitValue('activate_end_date_check') == 1) {
|
|
$end_time = $form->getSubmitValue('end_time');
|
|
$this->end_time = $end_time['Y'].'-'.$end_time['F'].'-'.$end_time['d'].' '.$end_time['H'].':'.$end_time['i'].':00';
|
|
} else {
|
|
$this->end_time = '0000-00-00 00:00:00';
|
|
}
|
|
|
|
if ($form->getSubmitValue('enabletimercontrol') == 1) {
|
|
$expired_total_time = $form->getSubmitValue('enabletimercontroltotalminutes');
|
|
if ($this->expired_time == 0) {
|
|
$this->expired_time = $expired_total_time;
|
|
}
|
|
} else {
|
|
$this->expired_time = 0;
|
|
}
|
|
|
|
if ($form->getSubmitValue('randomAnswers') == 1) {
|
|
$this->random_answers=1;
|
|
} else {
|
|
$this->random_answers=0;
|
|
}
|
|
$this->save($type);
|
|
}
|
|
|
|
function search_engine_save() {
|
|
if ($_POST['index_document'] != 1) {
|
|
return;
|
|
}
|
|
$course_id = api_get_course_id();
|
|
|
|
require_once api_get_path(LIBRARY_PATH) . 'search/DokeosIndexer.class.php';
|
|
require_once api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php';
|
|
require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php';
|
|
|
|
$specific_fields = get_specific_field_list();
|
|
$ic_slide = new IndexableChunk();
|
|
|
|
$all_specific_terms = '';
|
|
foreach ($specific_fields as $specific_field) {
|
|
if (isset($_REQUEST[$specific_field['code']])) {
|
|
$sterms = trim($_REQUEST[$specific_field['code']]);
|
|
if (!empty($sterms)) {
|
|
$all_specific_terms .= ' '. $sterms;
|
|
$sterms = explode(',', $sterms);
|
|
foreach ($sterms as $sterm) {
|
|
$ic_slide->addTerm(trim($sterm), $specific_field['code']);
|
|
add_specific_field_value($specific_field['id'], $course_id, TOOL_QUIZ, $this->id, $sterm);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// build the chunk to index
|
|
$ic_slide->addValue("title", $this->exercise);
|
|
$ic_slide->addCourseId($course_id);
|
|
$ic_slide->addToolId(TOOL_QUIZ);
|
|
$xapian_data = array(
|
|
SE_COURSE_ID => $course_id,
|
|
SE_TOOL_ID => TOOL_QUIZ,
|
|
SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
|
|
SE_USER => (int)api_get_user_id(),
|
|
);
|
|
$ic_slide->xapian_data = serialize($xapian_data);
|
|
$exercise_description = $all_specific_terms .' '. $this->description;
|
|
$ic_slide->addValue("content", $exercise_description);
|
|
|
|
$di = new DokeosIndexer();
|
|
isset($_POST['language'])? $lang=Database::escape_string($_POST['language']): $lang = 'english';
|
|
$di->connectDb(NULL, NULL, $lang);
|
|
$di->addChunk($ic_slide);
|
|
|
|
//index and return search engine document id
|
|
$did = $di->index();
|
|
if ($did) {
|
|
// save it to db
|
|
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
|
|
$sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
|
|
VALUES (NULL , \'%s\', \'%s\', %s, %s)';
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id, $did);
|
|
Database::query($sql);
|
|
}
|
|
}
|
|
|
|
function search_engine_edit() {
|
|
// update search enchine and its values table if enabled
|
|
if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian')) {
|
|
$course_id = api_get_course_id();
|
|
|
|
// actually, it consists on delete terms from db, insert new ones, create a new search engine document, and remove the old one
|
|
// get search_did
|
|
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
|
|
$sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
|
|
$res = Database::query($sql);
|
|
|
|
if (Database::num_rows($res) > 0) {
|
|
require_once(api_get_path(LIBRARY_PATH) . 'search/DokeosIndexer.class.php');
|
|
require_once(api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php');
|
|
require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
|
|
|
|
$se_ref = Database::fetch_array($res);
|
|
$specific_fields = get_specific_field_list();
|
|
$ic_slide = new IndexableChunk();
|
|
|
|
$all_specific_terms = '';
|
|
foreach ($specific_fields as $specific_field) {
|
|
delete_all_specific_field_value($course_id, $specific_field['id'], TOOL_QUIZ, $this->id);
|
|
if (isset($_REQUEST[$specific_field['code']])) {
|
|
$sterms = trim($_REQUEST[$specific_field['code']]);
|
|
$all_specific_terms .= ' '. $sterms;
|
|
$sterms = explode(',', $sterms);
|
|
foreach ($sterms as $sterm) {
|
|
$ic_slide->addTerm(trim($sterm), $specific_field['code']);
|
|
add_specific_field_value($specific_field['id'], $course_id, TOOL_QUIZ, $this->id, $sterm);
|
|
}
|
|
}
|
|
}
|
|
|
|
// build the chunk to index
|
|
$ic_slide->addValue("title", $this->exercise);
|
|
$ic_slide->addCourseId($course_id);
|
|
$ic_slide->addToolId(TOOL_QUIZ);
|
|
$xapian_data = array(
|
|
SE_COURSE_ID => $course_id,
|
|
SE_TOOL_ID => TOOL_QUIZ,
|
|
SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
|
|
SE_USER => (int)api_get_user_id(),
|
|
);
|
|
$ic_slide->xapian_data = serialize($xapian_data);
|
|
$exercise_description = $all_specific_terms .' '. $this->description;
|
|
$ic_slide->addValue("content", $exercise_description);
|
|
|
|
$di = new DokeosIndexer();
|
|
isset($_POST['language'])? $lang=Database::escape_string($_POST['language']): $lang = 'english';
|
|
$di->connectDb(NULL, NULL, $lang);
|
|
$di->remove_document((int)$se_ref['search_did']);
|
|
$di->addChunk($ic_slide);
|
|
|
|
//index and return search engine document id
|
|
$did = $di->index();
|
|
if ($did) {
|
|
// save it to db
|
|
$sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=\'%s\'';
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
|
|
Database::query($sql);
|
|
$sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
|
|
VALUES (NULL , \'%s\', \'%s\', %s, %s)';
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id, $did);
|
|
Database::query($sql);
|
|
}
|
|
} else {
|
|
$this->search_engine_save();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
function search_engine_delete() {
|
|
// remove from search engine if enabled
|
|
if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian') ) {
|
|
$course_id = api_get_course_id();
|
|
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
|
|
$sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level IS NULL LIMIT 1';
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
|
|
$res = Database::query($sql);
|
|
if (Database::num_rows($res) > 0) {
|
|
$row = Database::fetch_array($res);
|
|
require_once(api_get_path(LIBRARY_PATH) .'search/DokeosIndexer.class.php');
|
|
$di = new DokeosIndexer();
|
|
$di->remove_document((int)$row['search_did']);
|
|
unset($di);
|
|
$tbl_quiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION);
|
|
foreach ( $this->questionList as $question_i) {
|
|
$sql = 'SELECT type FROM %s WHERE id=%s';
|
|
$sql = sprintf($sql, $tbl_quiz_question, $question_i);
|
|
$qres = Database::query($sql);
|
|
if (Database::num_rows($qres) > 0) {
|
|
$qrow = Database::fetch_array($qres);
|
|
$objQuestion = Question::getInstance($qrow['type']);
|
|
$objQuestion = Question::read((int)$question_i);
|
|
$objQuestion->search_engine_edit($this->id, FALSE, TRUE);
|
|
unset($objQuestion);
|
|
}
|
|
}
|
|
}
|
|
$sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level IS NULL LIMIT 1';
|
|
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
|
|
Database::query($sql);
|
|
|
|
// remove terms from db
|
|
require_once(api_get_path(LIBRARY_PATH) .'specific_fields_manager.lib.php');
|
|
delete_all_values_for_item($course_id, TOOL_QUIZ, $this->id);
|
|
}
|
|
}
|
|
function selectExpiredTime() {
|
|
return $this->expired_time;
|
|
}
|
|
|
|
/**
|
|
* Cleans the student's results only for the Exercise tool (Not from the LP)
|
|
* The LP results are NOT deleted
|
|
* Works with exercises in sessions
|
|
* @return int quantity of user's exercises deleted
|
|
*/
|
|
function clean_results() {
|
|
$table_track_e_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$table_track_e_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
|
|
|
|
$sql_select = "SELECT exe_id FROM $table_track_e_exercises
|
|
WHERE exe_cours_id = '".api_get_course_id()."' AND
|
|
exe_exo_id = ".$this->id." AND
|
|
orig_lp_id = 0 AND
|
|
orig_lp_item_id = 0 AND
|
|
session_id = ".api_get_session_id()."";
|
|
|
|
$result = Database::query($sql_select);
|
|
$exe_list = Database::store_result($result);
|
|
|
|
//deleting TRACK_E_ATTEMPT table
|
|
$i = 0;
|
|
if (is_array($exe_list) && count($exe_list) > 0) {
|
|
foreach($exe_list as $item) {
|
|
$sql = "DELETE FROM $table_track_e_attempt WHERE exe_id = '".$item['exe_id']."'";
|
|
Database::query($sql);
|
|
$i++;
|
|
}
|
|
}
|
|
|
|
//delete TRACK_E_EXERCICES table
|
|
$sql = "DELETE FROM $table_track_e_exercises
|
|
WHERE exe_cours_id = '".api_get_course_id()."' AND exe_exo_id = ".$this->id." AND orig_lp_id = 0 AND orig_lp_item_id = 0 AND session_id = ".api_get_session_id()."";
|
|
Database::query($sql);
|
|
return $i;
|
|
}
|
|
|
|
/**
|
|
* Copies an exercise (duplicate all questions and answers)
|
|
*/
|
|
|
|
public function copy_exercise() {
|
|
$exercise_obj= new Exercise();
|
|
$exercise_obj = $this;
|
|
|
|
$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);
|
|
|
|
// force the creation of a new exercise
|
|
$exercise_obj->updateTitle($exercise_obj->selectTitle().' - '.get_lang('Copy'));
|
|
//Hides the new exercise
|
|
$exercise_obj->updateStatus(false);
|
|
$exercise_obj->updateId(0);
|
|
$exercise_obj->save();
|
|
|
|
$new_exercise_id = $exercise_obj->selectId();
|
|
$question_list = $exercise_obj->selectQuestionList();
|
|
|
|
if (!empty($question_list)) {
|
|
//Question creation
|
|
|
|
foreach ($question_list as $old_question_id) {
|
|
$old_question_obj = Question::read($old_question_id);
|
|
$new_id = $old_question_obj->duplicate();
|
|
if ($new_id) {
|
|
$new_question_obj = Question::read($new_id);
|
|
|
|
if (isset($new_question_obj) && $new_question_obj) {
|
|
$new_question_obj->addToList($new_exercise_id);
|
|
// This should be moved to the duplicate function
|
|
$new_answer_obj = new Answer($old_question_id);
|
|
$new_answer_obj->read();
|
|
$new_answer_obj->duplicate($new_id);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Changes the exercise id
|
|
*
|
|
* @param - in $id - exercise id
|
|
*/
|
|
private function updateId($id) {
|
|
$this->id = $id;
|
|
}
|
|
|
|
/**
|
|
* Changes the exercise status
|
|
*
|
|
* @param - string $status - exercise status
|
|
*/
|
|
function updateStatus($status) {
|
|
$this->active = $status;
|
|
}
|
|
|
|
public function get_stat_track_exercise_info($lp_id = 0, $lp_item_id = 0, $lp_item_view_id = 0, $status = 'incomplete') {
|
|
$track_exercises = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
if (empty($lp_id)) {
|
|
$lp_id = 0;
|
|
}
|
|
if (empty($lp_item_id)) {
|
|
$lp_item_id = 0;
|
|
}
|
|
if (empty($lp_item_view_id)) {
|
|
$lp_item_view_id = 0;
|
|
}
|
|
$condition = ' WHERE exe_exo_id = ' . "'" . $this->id . "'" .' AND
|
|
exe_user_id = ' . "'" . api_get_user_id() . "'" . ' AND
|
|
exe_cours_id = ' . "'" . api_get_course_id() . "'" . ' AND
|
|
status = ' . "'" . Database::escape_string($status). "'" . ' AND
|
|
orig_lp_id = ' . "'" . $lp_id . "'" . ' AND
|
|
orig_lp_item_id = ' . "'" . $lp_item_id . "'" . ' AND
|
|
orig_lp_item_view_id = ' . "'" . $lp_item_view_id . "'" . ' AND
|
|
session_id = ' . "'" . api_get_session_id() . "' LIMIT 1"; //Adding limit 1 just in case
|
|
|
|
$sql_track = 'SELECT * FROM '.$track_exercises.$condition;
|
|
|
|
$result = Database::query($sql_track);
|
|
$new_array = array();
|
|
if (Database::num_rows($result) > 0 ) {
|
|
$new_array = Database::fetch_array($result, 'ASSOC');
|
|
}
|
|
return $new_array;
|
|
}
|
|
|
|
/**
|
|
* Saves a test attempt
|
|
*
|
|
* @param int clock_expired_time
|
|
* @param int lp id
|
|
* @param int lp item id
|
|
* @param int lp item_view id
|
|
* @param array question list
|
|
|
|
*/
|
|
public function save_stat_track_exercise_info($clock_expired_time = 0, $safe_lp_id = 0, $safe_lp_item_id = 0, $safe_lp_item_view_id = 0, $questionList = array(), $weight = 0) {
|
|
$track_exercises = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$safe_lp_id = intval($safe_lp_id);
|
|
$safe_lp_item_id = intval($safe_lp_item_id);
|
|
$safe_lp_item_view_id = intval($safe_lp_item_view_id);
|
|
|
|
if (empty($safe_lp_id)) {
|
|
$safe_lp_id = 0;
|
|
}
|
|
if (empty($safe_lp_item_id)) {
|
|
$safe_lp_item_id = 0;
|
|
}
|
|
if (empty($clock_expired_time)) {
|
|
$clock_expired_time = 0;
|
|
}
|
|
if ($this->expired_time != 0) {
|
|
$sql_fields = "expired_time_control, ";
|
|
$sql_fields_values = "'"."$clock_expired_time"."',";
|
|
} else {
|
|
$sql_fields = "";
|
|
$sql_fields_values = "";
|
|
}
|
|
array_map('intval', $questionList);
|
|
|
|
$weight = Database::escape_string($weight);
|
|
$sql = "INSERT INTO $track_exercises ($sql_fields exe_exo_id, exe_user_id, exe_cours_id, status,session_id, data_tracking, start_date, orig_lp_id, orig_lp_item_id, exe_weighting)
|
|
VALUES($sql_fields_values '".$this->id."','" . api_get_user_id() . "','" . api_get_course_id() . "','incomplete','" . api_get_session_id() . "','" . implode(',', $questionList) . "', '" . api_get_utc_datetime() . "', '$safe_lp_id', '$safe_lp_item_id', '$weight' )";
|
|
|
|
Database::query($sql);
|
|
$id = Database::insert_id();
|
|
return $id;
|
|
}
|
|
|
|
public function show_button($question_id, $questionNum) {
|
|
global $origin, $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id;
|
|
$nbrQuestions = count($this->get_validated_question_list());
|
|
|
|
$html = $label = '';
|
|
$confirmation_alert = $this->type == ALL_ON_ONE_PAGE? " onclick=\"javascript:if(!confirm('".get_lang("ConfirmYourChoice")."')) return false;\" ":"";
|
|
$hotspot_get = isset($_POST['hotspot']) ? Security::remove_XSS($_POST['hotspot']):null;
|
|
$all_button = '';
|
|
|
|
if ($this->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT && $this->type == ONE_PER_PAGE) {
|
|
$html .='<a href="exercise_submit_modal.php?learnpath_id='.$safe_lp_id.'&learnpath_item_id='.$safe_lp_item_id.'&learnpath_item_view_id='.$safe_lp_item_view_id.'&origin='.$origin.'&hotspot='.$hotspot_get.'&nbrQuestions='.$nbrQuestions.'&questionnum='.$questionNum.'&exerciseType='.$this->type.'&exerciseId='.$this->id.'&placeValuesBeforeTB_=savedValues&TB_iframe=true&height=480&width=640&modal=true" title="" class="thickbox button" id="validationButton">';
|
|
$html .= get_lang('EndTest').'</a>';
|
|
$html .='<br />';
|
|
} else {
|
|
//User
|
|
if (api_is_allowed_to_session_edit()) {
|
|
if ($this->type == ALL_ON_ONE_PAGE || $nbrQuestions == $questionNum) {
|
|
if ($this->review_answers) {
|
|
$label = get_lang('ReviewQuestions');
|
|
$class = 'btn btn-primary';
|
|
} else {
|
|
$label = get_lang('EndTest');
|
|
$class = 'btn btn-success';
|
|
}
|
|
} else {
|
|
$label = get_lang('NextQuestion');
|
|
$class = 'btn btn-primary';
|
|
}
|
|
if ($this->type == ONE_PER_PAGE) {
|
|
|
|
if ($questionNum != 1) {
|
|
$prev_question = $questionNum - 2;
|
|
$all_button .= '<a href="javascript://" class="btn" onclick="previous_question('.$prev_question.'); ">'.get_lang('PreviousQuestion').'</a>';
|
|
}
|
|
|
|
//Next question
|
|
$all_button .= ' <a href="javascript://" class="'.$class.'" onclick="save_now('.$question_id.'); ">'.$label.'</a>';
|
|
$all_button .= '<span id="save_for_now_'.$question_id.'"></span> ';
|
|
$html .= $all_button;
|
|
} else {
|
|
if ($this->review_answers) {
|
|
$all_label = get_lang('ReviewQuestions');
|
|
$class = 'btn btn-primary';
|
|
} else {
|
|
$all_label = get_lang('EndTest');
|
|
$class = 'btn btn-success';
|
|
}
|
|
$all_button = ' <a href="javascript://" class="'.$class.'" onclick="validate_all(); ">'.$all_label.'</a>';
|
|
$all_button .= ' <span id="save_all_reponse"></span>';
|
|
$html .= $all_button;
|
|
}
|
|
}
|
|
}
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* So the time control will work
|
|
*/
|
|
public function show_time_control_js($time_left) {
|
|
$time_left = intval($time_left);
|
|
return "<script type=\"text/javascript\">
|
|
|
|
$(document).ready(function() {
|
|
|
|
function get_expired_date_string(expired_time) {
|
|
var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
|
|
var day, month, year, hours, minutes, seconds, date_string;
|
|
var obj_date = new Date(expired_time);
|
|
day = obj_date.getDate();
|
|
if (day < 10) day = '0' + day;
|
|
month = obj_date.getMonth();
|
|
year = obj_date.getFullYear();
|
|
hours = obj_date.getHours();
|
|
if (hours < 10) hours = '0' + hours;
|
|
minutes = obj_date.getMinutes();
|
|
if (minutes < 10) minutes = '0' + minutes;
|
|
seconds = obj_date.getSeconds();
|
|
if (seconds < 10) seconds = '0' + seconds;
|
|
date_string = months[month] +' ' + day + ', ' + year + ' ' + hours + ':' + minutes + ':' + seconds;
|
|
return date_string;
|
|
}
|
|
|
|
function onExpiredTimeExercise() {
|
|
$('#wrapper-clock').hide();
|
|
$('#exercise_form').hide();
|
|
$('#expired-message-id').show();
|
|
$('#exercise_form').submit();
|
|
}
|
|
|
|
var current_time = new Date().getTime();
|
|
var time_left = parseInt(".$time_left.");
|
|
var expired_time = current_time + (time_left*1000);
|
|
var expired_date = get_expired_date_string(expired_time);
|
|
|
|
$('#text-content').epiclock({
|
|
mode: EC_COUNTDOWN,
|
|
format: 'x{ : } i{ : } s{}',
|
|
target: expired_date,
|
|
onTimer: function(){ onExpiredTimeExercise(); }
|
|
}).clocks(EC_RUN);
|
|
|
|
$('#submit_save').click(function () {});
|
|
});
|
|
</script>";
|
|
}
|
|
|
|
/**
|
|
* Lp javascript for hotspots
|
|
*/
|
|
public function show_lp_javascript() {
|
|
|
|
return "<script type=\"text/javascript\" src=\"../plugin/hotspot/JavaScriptFlashGateway.js\"></script>
|
|
<script src=\"../plugin/hotspot/hotspot.js\" type=\"text/javascript\"></script>
|
|
<script language=\"JavaScript\" type=\"text/javascript\">
|
|
<!--
|
|
// -----------------------------------------------------------------------------
|
|
// Globals
|
|
// Major version of Flash required
|
|
var requiredMajorVersion = 7;
|
|
// Minor version of Flash required
|
|
var requiredMinorVersion = 0;
|
|
// Minor version of Flash required
|
|
var requiredRevision = 0;
|
|
// the version of javascript supported
|
|
var jsVersion = 1.0;
|
|
// -----------------------------------------------------------------------------
|
|
// -->
|
|
</script>
|
|
<script language=\"VBScript\" type=\"text/vbscript\">
|
|
<!-- // Visual basic helper required to detect Flash Player ActiveX control version information
|
|
Function VBGetSwfVer(i)
|
|
on error resume next
|
|
Dim swControl, swVersion
|
|
swVersion = 0
|
|
|
|
set swControl = CreateObject(\"ShockwaveFlash.ShockwaveFlash.\" + CStr(i))
|
|
if (IsObject(swControl)) then
|
|
swVersion = swControl.GetVariable(\"\$version\")
|
|
end if
|
|
VBGetSwfVer = swVersion
|
|
End Function
|
|
// -->
|
|
</script>
|
|
|
|
<script language=\"JavaScript1.1\" type=\"text/javascript\">
|
|
<!-- // Detect Client Browser type
|
|
var isIE = (navigator.appVersion.indexOf(\"MSIE\") != -1) ? true : false;
|
|
var isWin = (navigator.appVersion.toLowerCase().indexOf(\"win\") != -1) ? true : false;
|
|
var isOpera = (navigator.userAgent.indexOf(\"Opera\") != -1) ? true : false;
|
|
jsVersion = 1.1;
|
|
// JavaScript helper required to detect Flash Player PlugIn version information
|
|
function JSGetSwfVer(i){
|
|
// NS/Opera version >= 3 check for Flash plugin in plugin array
|
|
if (navigator.plugins != null && navigator.plugins.length > 0) {
|
|
if (navigator.plugins[\"Shockwave Flash 2.0\"] || navigator.plugins[\"Shockwave Flash\"]) {
|
|
var swVer2 = navigator.plugins[\"Shockwave Flash 2.0\"] ? \" 2.0\" : \"\";
|
|
var flashDescription = navigator.plugins[\"Shockwave Flash\" + swVer2].description;
|
|
descArray = flashDescription.split(\" \");
|
|
tempArrayMajor = descArray[2].split(\".\");
|
|
versionMajor = tempArrayMajor[0];
|
|
versionMinor = tempArrayMajor[1];
|
|
if ( descArray[3] != \"\" ) {
|
|
tempArrayMinor = descArray[3].split(\"r\");
|
|
} else {
|
|
tempArrayMinor = descArray[4].split(\"r\");
|
|
}
|
|
versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
|
|
flashVer = versionMajor + \".\" + versionMinor + \".\" + versionRevision;
|
|
} else {
|
|
flashVer = -1;
|
|
}
|
|
}
|
|
// MSN/WebTV 2.6 supports Flash 4
|
|
else if (navigator.userAgent.toLowerCase().indexOf(\"webtv/2.6\") != -1) flashVer = 4;
|
|
// WebTV 2.5 supports Flash 3
|
|
else if (navigator.userAgent.toLowerCase().indexOf(\"webtv/2.5\") != -1) flashVer = 3;
|
|
// older WebTV supports Flash 2
|
|
else if (navigator.userAgent.toLowerCase().indexOf(\"webtv\") != -1) flashVer = 2;
|
|
// Can't detect in all other cases
|
|
else {
|
|
|
|
flashVer = -1;
|
|
}
|
|
return flashVer;
|
|
}
|
|
// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
|
|
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
|
|
{
|
|
reqVer = parseFloat(reqMajorVer + \".\" + reqRevision);
|
|
// loop backwards through the versions until we find the newest version
|
|
for (i=25;i>0;i--) {
|
|
if (isIE && isWin && !isOpera) {
|
|
versionStr = VBGetSwfVer(i);
|
|
} else {
|
|
versionStr = JSGetSwfVer(i);
|
|
}
|
|
if (versionStr == -1 ) {
|
|
return false;
|
|
} else if (versionStr != 0) {
|
|
if(isIE && isWin && !isOpera) {
|
|
tempArray = versionStr.split(\" \");
|
|
tempString = tempArray[1];
|
|
versionArray = tempString .split(\",\");
|
|
} else {
|
|
versionArray = versionStr.split(\".\");
|
|
}
|
|
versionMajor = versionArray[0];
|
|
versionMinor = versionArray[1];
|
|
versionRevision = versionArray[2];
|
|
|
|
versionString = versionMajor + \".\" + versionRevision; // 7.0r24 == 7.24
|
|
versionNum = parseFloat(versionString);
|
|
// is the major.revision >= requested major.revision AND the minor version >= requested minor
|
|
if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
|
|
return true;
|
|
} else {
|
|
return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// -->
|
|
</script>";
|
|
}
|
|
|
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/**
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* This function was originally found in the exercise_show.php
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* @param int exe id
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* @param int question id
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* @param int the choice the user selected
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* @param array the hotspot coordinates $hotspot[$question_id] = coordinates
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* @param string function is called from 'exercise_show' or 'exercise_result'
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* @param bool save results in the DB or just show the reponse
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* @param bool gets information from DB or from the current selection
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* @param bool show results or not
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* @todo reduce parameters of this function
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* @return string html code
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*/
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public function manage_answer($exeId, $questionId, $choice, $from = 'exercise_show', $exerciseResultCoordinates = array(), $saved_results = true, $from_database = false, $show_result = true, $propagate_neg = 0, $hotspot_delineation_result = array()) {
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global $_configuration, $feedback_type, $debug;
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require_once api_get_path(LIBRARY_PATH).'geometry.lib.php';
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if ($debug) error_log("<------ manage_answer ------> ");
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if ($debug) error_log('manage_answer called exe_id: '.$exeId);
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if ($debug) error_log('manage_answer $from: '.$from);
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if ($debug) error_log('manage_answer $saved_results: '.$saved_results);
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if ($debug) error_log('manage_answer $from_database: '.$from_database);
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if ($debug) error_log('manage_answer $show_result: '.$show_result);
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if ($debug) error_log('manage_answer $propagate_neg: '.$propagate_neg);
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if ($debug) error_log('manage_answer $hotspot_delineation_result: '.print_r($hotspot_delineation_result, 1));
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$extra_data = array();
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$questionId = intval($questionId);
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$exeId = intval($exeId);
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$TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
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$table_ans = Database::get_course_table(TABLE_QUIZ_ANSWER);
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// Creates a temporary Question object
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$course_id = api_get_course_int_id();
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$objQuestionTmp = Question::read($questionId, $course_id);
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$questionName = $objQuestionTmp->selectTitle();
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$questionDescription = $objQuestionTmp->selectDescription();
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$questionWeighting = $objQuestionTmp->selectWeighting();
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$answerType = $objQuestionTmp->selectType();
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$quesId = $objQuestionTmp->selectId();
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$extra = $objQuestionTmp->extra;
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$next = 1; //not for now
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//Extra information of the question
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if (!empty($extra)) {
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$extra = explode(':', $extra);
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if ($debug) error_log(print_r($extra, 1));
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//Fixes problems with negatives values using intval
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$true_score = intval($extra[0]);
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$false_score = intval($extra[1]);
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$doubt_score = intval($extra[2]);
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}
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$totalWeighting = 0;
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$totalScore = 0;
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// Destruction of the Question object
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unset ($objQuestionTmp);
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// Construction of the Answer object
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$objAnswerTmp = new Answer($questionId);
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$nbrAnswers = $objAnswerTmp->selectNbrAnswers();
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if ($debug) error_log('Count of answers: '.$nbrAnswers);
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if ($debug) error_log('$answerType: '.$answerType);
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if ($answerType == FREE_ANSWER || $answerType == ORAL_EXPRESSION) {
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$nbrAnswers = 1;
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}
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$nano = null;
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if ($answerType == ORAL_EXPRESSION) {
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require_once api_get_path(LIBRARY_PATH).'nanogong.lib.php';
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$exe_info = get_exercise_results_by_attempt($exeId);
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$exe_info = $exe_info[$exeId];
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$params = array();
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$params['course_id'] = api_get_course_int_id();
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$params['session_id'] = api_get_session_id();
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$params['user_id'] = isset($exe_info['exe_user_id'])? $exe_info['exe_user_id'] : api_get_user_id();
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$params['exercise_id'] = isset($exe_info['exe_exo_id'])? $exe_info['exe_exo_id'] : $this->id;
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$params['question_id'] = $questionId;
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$params['exe_id'] = isset($exe_info['exe_id']) ? $exe_info['exe_id'] : $exeId;
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$nano = new Nanogong($params);
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//probably this attempt came in an exercise all question by page
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if ($feedback_type == 0) {
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$nano->replace_with_real_exe($exeId);
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}
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}
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$user_answer = '';
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// Get answer list for matching
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$sql_answer = 'SELECT id, answer FROM '.$table_ans.' WHERE c_id = '.$course_id.' AND question_id = "'.$questionId.'" ';
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$res_answer = Database::query($sql_answer);
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$answer_matching =array();
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while ($real_answer = Database::fetch_array($res_answer)) {
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$answer_matching[$real_answer['id']]= $real_answer['answer'];
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}
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$real_answers = array();
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$quiz_question_options = Question::readQuestionOption($questionId, $course_id);
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$organs_at_risk_hit = 0;
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$questionScore = 0;
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if ($debug) error_log('Start answer loop ');
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$answer_correct_array = array();
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for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
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$answer = $objAnswerTmp->selectAnswer($answerId);
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$answerComment = $objAnswerTmp->selectComment($answerId);
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$answerCorrect = $objAnswerTmp->isCorrect($answerId);
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$answerWeighting = $objAnswerTmp->selectWeighting($answerId);
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$numAnswer = $objAnswerTmp->selectAutoId($answerId);
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$answer_correct_array[$answerId] = (bool)$answerCorrect;
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if ($debug) error_log("answer auto id: $numAnswer ");
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if ($debug) error_log("answer correct : $answerCorrect ");
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//delineation
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$delineation_cord = $objAnswerTmp->selectHotspotCoordinates(1);
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$answer_delineation_destination=$objAnswerTmp->selectDestination(1);
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switch ($answerType) {
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// for unique answer
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case UNIQUE_ANSWER :
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case UNIQUE_ANSWER_NO_OPTION :
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if ($from_database) {
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$queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' and question_id= '".$questionId."'";
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$resultans = Database::query($queryans);
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$choice = Database::result($resultans,0,"answer");
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$studentChoice=($choice == $numAnswer)?1:0;
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if ($studentChoice) {
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$questionScore+=$answerWeighting;
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$totalScore+=$answerWeighting;
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}
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} else {
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$studentChoice=($choice == $numAnswer)?1:0;
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if ($studentChoice) {
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$questionScore+=$answerWeighting;
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$totalScore+=$answerWeighting;
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}
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}
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break;
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// for multiple answers
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case MULTIPLE_ANSWER_TRUE_FALSE :
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if ($from_database) {
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$choice = array();
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$queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." where exe_id = ".$exeId." and question_id = ".$questionId;
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$resultans = Database::query($queryans);
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while ($row = Database::fetch_array($resultans)) {
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$ind = $row['answer'];
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$result = explode(':',$ind);
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$my_answer_id = $result[0];
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$option = $result[1];
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$choice[$my_answer_id] = $option;
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}
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$studentChoice =$choice[$numAnswer];
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} else {
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$studentChoice =$choice[$numAnswer];
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}
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if (!empty($studentChoice)) {
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if ($studentChoice == $answerCorrect ) {
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$questionScore += $true_score;
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} else {
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if ($quiz_question_options[$studentChoice]['name'] != "Don't know") {
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$questionScore += $false_score;
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} else {
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$questionScore += $doubt_score;
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}
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}
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} else {
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//if no result then the user just hit don't know
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$studentChoice = 3;
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$questionScore += $doubt_score;
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}
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$totalScore = $questionScore;
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break;
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case MULTIPLE_ANSWER : //2
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if ($from_database) {
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$choice = array();
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$queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
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$resultans = Database::query($queryans);
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while ($row = Database::fetch_array($resultans)) {
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$ind = $row['answer'];
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$choice[$ind] = 1;
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}
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$numAnswer = $objAnswerTmp->selectAutoId($answerId);
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$studentChoice = $choice[$numAnswer];
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$real_answers[$answerId] = (bool)$studentChoice;
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if ($studentChoice == $answerCorrect) {
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$questionScore +=$answerWeighting;
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}
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} else {
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$studentChoice = $choice[$numAnswer];
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if ($studentChoice == $answerCorrect) {
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$questionScore +=$answerWeighting;
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}
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$real_answers[$answerId] = (bool)$studentChoice;
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}
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$totalScore +=$answerWeighting;
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if ($debug) error_log("studentChoice: $studentChoice");
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break;
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case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
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if ($from_database) {
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$queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." where exe_id = ".$exeId." AND question_id= ".$questionId;
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$resultans = Database::query($queryans);
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while ($row = Database::fetch_array($resultans)) {
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$ind = $row['answer'];
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$result = explode(':',$ind);
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$my_answer_id = $result[0];
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$option = $result[1];
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$choice[$my_answer_id] = $option;
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}
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$numAnswer = $objAnswerTmp->selectAutoId($answerId);
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$studentChoice = $choice[$numAnswer];
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if ($answerCorrect == $studentChoice) {
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//$answerCorrect = 1;
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$real_answers[$answerId] = true;
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} else {
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//$answerCorrect = 0;
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$real_answers[$answerId] = false;
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}
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} else {
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$studentChoice = $choice[$numAnswer];
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if ($answerCorrect == $studentChoice) {
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//$answerCorrect = 1;
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$real_answers[$answerId] = true;
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} else {
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//$answerCorrect = 0;
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$real_answers[$answerId] = false;
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}
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}
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break;
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case MULTIPLE_ANSWER_COMBINATION:
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if ($from_database) {
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$queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." where exe_id = '".$exeId."' and question_id= '".$questionId."'";
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$resultans = Database::query($queryans);
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while ($row = Database::fetch_array($resultans)) {
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$ind = $row['answer'];
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$choice[$ind] = 1;
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}
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$numAnswer=$objAnswerTmp->selectAutoId($answerId);
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$studentChoice=$choice[$numAnswer];
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if ($answerCorrect == 1) {
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if ($studentChoice) {
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$real_answers[$answerId] = true;
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} else {
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$real_answers[$answerId] = false;
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}
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} else {
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if ($studentChoice) {
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$real_answers[$answerId] = false;
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} else {
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$real_answers[$answerId] = true;
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}
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}
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} else {
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$studentChoice=$choice[$numAnswer];
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if ($answerCorrect == 1) {
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if ($studentChoice) {
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$real_answers[$answerId] = true;
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} else {
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$real_answers[$answerId] = false;
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}
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} else {
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if ($studentChoice) {
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$real_answers[$answerId] = false;
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} else {
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$real_answers[$answerId] = true;
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}
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}
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}
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break;
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// for fill in the blanks
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case FILL_IN_BLANKS :
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// the question is encoded like this
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// [A] B [C] D [E] F::10,10,10@1
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// number 1 before the "@" means that is a switchable fill in blank question
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// [A] B [C] D [E] F::10,10,10@ or [A] B [C] D [E] F::10,10,10
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// means that is a normal fill blank question
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// first we explode the "::"
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$pre_array = explode('::', $answer);
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// is switchable fill blank or not
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$last = count($pre_array) - 1;
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$is_set_switchable = explode('@', $pre_array[$last]);
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$switchable_answer_set = false;
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if (isset ($is_set_switchable[1]) && $is_set_switchable[1] == 1) {
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$switchable_answer_set = true;
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}
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$answer = '';
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for ($k = 0; $k < $last; $k++) {
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$answer .= $pre_array[$k];
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}
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// splits weightings that are joined with a comma
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$answerWeighting = explode(',', $is_set_switchable[0]);
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// we save the answer because it will be modified
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//$temp = $answer;
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$temp = $answer;
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$answer = '';
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$j = 0;
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//initialise answer tags
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$user_tags = $correct_tags = $real_text = array ();
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// the loop will stop at the end of the text
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while (1) {
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// quits the loop if there are no more blanks (detect '[')
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if (($pos = api_strpos($temp, '[')) === false) {
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// adds the end of the text
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$answer = $temp;
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/* // Deprecated code
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// TeX parsing - replacement of texcode tags
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$texstring = api_parse_tex($texstring);
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$answer = str_replace("{texcode}", $texstring, $answer);
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*/
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$real_text[] = $answer;
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break; //no more "blanks", quit the loop
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}
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// adds the piece of text that is before the blank
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//and ends with '[' into a general storage array
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$real_text[] = api_substr($temp, 0, $pos +1);
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$answer .= api_substr($temp, 0, $pos +1);
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//take the string remaining (after the last "[" we found)
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$temp = api_substr($temp, $pos +1);
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// quit the loop if there are no more blanks, and update $pos to the position of next ']'
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if (($pos = api_strpos($temp, ']')) === false) {
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// adds the end of the text
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$answer .= $temp;
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break;
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}
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if ($from_database) {
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$queryfill = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".Database::escape_string($questionId)."'";
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$resfill = Database::query($queryfill);
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$str = Database::result($resfill,0,'answer');
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preg_match_all('#\[([^[]*)\]#', $str, $arr);
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$str = str_replace('\r\n', '', $str);
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$choice = $arr[1];
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$tmp = api_strrpos($choice[$j],' / ');
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$choice[$j] = api_substr($choice[$j],0,$tmp);
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$choice[$j] = trim($choice[$j]);
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//Needed to let characters ' and " to work as part of an answer
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$choice[$j] = stripslashes($choice[$j]);
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} else {
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$choice[$j] = trim($choice[$j]);
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}
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$user_tags[] = api_strtolower($choice[$j]);
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//put the contents of the [] answer tag into correct_tags[]
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$correct_tags[] = api_strtolower(api_substr($temp, 0, $pos));
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$j++;
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$temp = api_substr($temp, $pos +1);
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}
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$answer = '';
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$real_correct_tags = $correct_tags;
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$chosen_list = array ();
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for ($i = 0; $i < count($real_correct_tags); $i++) {
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if ($i == 0) {
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$answer .= $real_text[0];
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}
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if (!$switchable_answer_set) {
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//needed to parse ' and " characters
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$user_tags[$i] = stripslashes($user_tags[$i]);
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if ($correct_tags[$i] == $user_tags[$i]) {
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// gives the related weighting to the student
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$questionScore += $answerWeighting[$i];
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// increments total score
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$totalScore += $answerWeighting[$i];
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// adds the word in green at the end of the string
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$answer .= $correct_tags[$i];
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}
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// else if the word entered by the student IS NOT the same as the one defined by the professor
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elseif (!empty ($user_tags[$i])) {
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// adds the word in red at the end of the string, and strikes it
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$answer .= '<font color="red"><s>' . $user_tags[$i] . '</s></font>';
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} else {
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// adds a tabulation if no word has been typed by the student
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$answer .= ' ';
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}
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} else {
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// switchable fill in the blanks
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if (in_array($user_tags[$i], $correct_tags)) {
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$chosen_list[] = $user_tags[$i];
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$correct_tags = array_diff($correct_tags, $chosen_list);
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// gives the related weighting to the student
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$questionScore += $answerWeighting[$i];
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// increments total score
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$totalScore += $answerWeighting[$i];
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// adds the word in green at the end of the string
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$answer .= $user_tags[$i];
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}
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elseif (!empty ($user_tags[$i])) {
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// else if the word entered by the student IS NOT the same as the one defined by the professor
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// adds the word in red at the end of the string, and strikes it
|
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$answer .= '<font color="red"><s>' . $user_tags[$i] . '</s></font>';
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} else {
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// adds a tabulation if no word has been typed by the student
|
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$answer .= ' ';
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}
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}
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// adds the correct word, followed by ] to close the blank
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$answer .= ' / <font color="green"><b>' . $real_correct_tags[$i] . '</b></font>]';
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if (isset ($real_text[$i +1])) {
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$answer .= $real_text[$i +1];
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}
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}
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break;
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// for free answer
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case FREE_ANSWER :
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if ($from_database) {
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$query = "SELECT answer, marks FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
|
|
$resq = Database::query($query);
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$choice = Database::result($resq,0,'answer');
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$choice = str_replace('\r\n', '', $choice);
|
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$choice = stripslashes($choice);
|
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$questionScore = Database::result($resq,0,"marks");
|
|
if ($questionScore==-1) {
|
|
$totalScore+=0;
|
|
} else {
|
|
$totalScore+=$questionScore;
|
|
}
|
|
$arrques[] = $questionName;
|
|
$arrans[] = $choice;
|
|
} else {
|
|
$studentChoice = $choice;
|
|
if ($studentChoice) {
|
|
//Fixing negative puntation see #2193
|
|
$questionScore = 0;
|
|
$totalScore += 0;
|
|
}
|
|
}
|
|
break;
|
|
case ORAL_EXPRESSION :
|
|
if ($from_database) {
|
|
$query = "SELECT answer, marks FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
|
|
$resq = Database::query($query);
|
|
$choice = Database::result($resq,0,'answer');
|
|
$choice = str_replace('\r\n', '', $choice);
|
|
$choice = stripslashes($choice);
|
|
$questionScore = Database::result($resq,0,"marks");
|
|
if ($questionScore==-1) {
|
|
$totalScore+=0;
|
|
} else {
|
|
$totalScore+=$questionScore;
|
|
}
|
|
$arrques[] = $questionName;
|
|
$arrans[] = $choice;
|
|
} else {
|
|
$studentChoice = $choice;
|
|
if ($studentChoice) {
|
|
//Fixing negative puntation see #2193
|
|
$questionScore = 0;
|
|
$totalScore += 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
// for matching
|
|
case MATCHING :
|
|
if ($from_database) {
|
|
$sql_answer = 'SELECT id, answer FROM '.$table_ans.' WHERE c_id = '.$course_id.' AND question_id="'.$questionId.'" AND correct=0';
|
|
$res_answer = Database::query($sql_answer);
|
|
// getting the real answer
|
|
$real_list =array();
|
|
while ($real_answer = Database::fetch_array($res_answer)) {
|
|
$real_list[$real_answer['id']]= $real_answer['answer'];
|
|
}
|
|
$sql_select_answer = 'SELECT id, answer, correct, id_auto FROM '.$table_ans.'
|
|
WHERE c_id = '.$course_id.' AND question_id="'.$questionId.'" AND correct <> 0 ORDER BY id_auto';
|
|
$res_answers = Database::query($sql_select_answer);
|
|
|
|
$questionScore = 0;
|
|
|
|
while ($a_answers = Database::fetch_array($res_answers)) {
|
|
$i_answer_id = $a_answers['id']; //3
|
|
$s_answer_label = $a_answers['answer']; // your daddy - your mother
|
|
$i_answer_correct_answer = $a_answers['correct']; //1 - 2
|
|
$i_answer_id_auto = $a_answers['id_auto']; // 3 - 4
|
|
|
|
$sql_user_answer = "SELECT answer FROM $TBL_TRACK_ATTEMPT
|
|
WHERE exe_id = '$exeId' AND question_id = '$questionId' AND position='$i_answer_id_auto'";
|
|
|
|
$res_user_answer = Database::query($sql_user_answer);
|
|
|
|
if (Database::num_rows($res_user_answer)>0 ) {
|
|
$s_user_answer = Database::result($res_user_answer,0,0); // rich - good looking
|
|
} else {
|
|
$s_user_answer = 0;
|
|
}
|
|
$i_answerWeighting=$objAnswerTmp->selectWeighting($i_answer_id);
|
|
$user_answer = '';
|
|
if (!empty($s_user_answer)) {
|
|
if ($s_user_answer == $i_answer_correct_answer) {
|
|
$questionScore += $i_answerWeighting;
|
|
$totalScore += $i_answerWeighting;
|
|
$user_answer = '<span>'.$real_list[$i_answer_correct_answer].'</span>';
|
|
} else {
|
|
$user_answer = '<span style="color: #FF0000; text-decoration: line-through;">'.$real_list[$s_user_answer].'</span>';
|
|
}
|
|
}
|
|
if ($show_result) {
|
|
echo '<tr>';
|
|
echo '<td>'.$s_answer_label.'</td><td>'.$user_answer.' <b><span style="color: #008000;">'.$real_list[$i_answer_correct_answer].'</span></b></td>';
|
|
echo '</tr>';
|
|
}
|
|
}
|
|
break(2); //break the switch and the "for" condition
|
|
} else {
|
|
$numAnswer=$objAnswerTmp->selectAutoId($answerId);
|
|
if ($answerCorrect) {
|
|
if ($answerCorrect == $choice[$numAnswer]) {
|
|
$questionScore += $answerWeighting;
|
|
$totalScore += $answerWeighting;
|
|
$user_answer = '<span>'.$answer_matching[$choice[$numAnswer]].'</span>';
|
|
} else {
|
|
$user_answer = '<span style="color: #FF0000; text-decoration: line-through;">'.$answer_matching[$choice[$numAnswer]].'</span>';
|
|
}
|
|
$matching[$numAnswer] = $choice[$numAnswer];
|
|
}
|
|
break;
|
|
}
|
|
// for hotspot with no order
|
|
case HOT_SPOT :
|
|
if ($from_database) {
|
|
if ($show_result) {
|
|
$TBL_TRACK_HOTSPOT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
|
|
$query = "SELECT hotspot_correct FROM ".$TBL_TRACK_HOTSPOT." WHERE hotspot_exe_id = '".$exeId."' and hotspot_question_id= '".$questionId."' AND hotspot_answer_id='".Database::escape_string($answerId)."'";
|
|
$resq = Database::query($query);
|
|
$studentChoice = Database::result($resq,0,"hotspot_correct");
|
|
}
|
|
} else {
|
|
$studentChoice = $choice[$answerId];
|
|
if ($studentChoice) {
|
|
$questionScore += $answerWeighting;
|
|
$totalScore += $answerWeighting;
|
|
}
|
|
}
|
|
break;
|
|
// @todo never added to chamilo
|
|
//for hotspot with fixed order
|
|
case HOT_SPOT_ORDER :
|
|
$studentChoice = $choice['order'][$answerId];
|
|
if ($studentChoice == $answerId) {
|
|
$questionScore += $answerWeighting;
|
|
$totalScore += $answerWeighting;
|
|
$studentChoice = true;
|
|
} else {
|
|
$studentChoice = false;
|
|
}
|
|
break;
|
|
// for hotspot with delineation
|
|
case HOT_SPOT_DELINEATION :
|
|
if ($from_database) {
|
|
// getting the user answer
|
|
$TBL_TRACK_HOTSPOT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
|
|
$query = "SELECT hotspot_correct, hotspot_coordinate from ".$TBL_TRACK_HOTSPOT." where hotspot_exe_id = '".$exeId."' and hotspot_question_id= '".$questionId."' AND hotspot_answer_id='1'"; //by default we take 1 because it's a delineation
|
|
$resq = Database::query($query);
|
|
$row = Database::fetch_array($resq,'ASSOC');
|
|
|
|
$choice = $row['hotspot_correct'];
|
|
$user_answer = $row['hotspot_coordinate'];
|
|
|
|
// THIS is very important otherwise the poly_compile will throw an error!!
|
|
// round-up the coordinates
|
|
$coords = explode('/',$user_answer);
|
|
$user_array = '';
|
|
foreach ($coords as $coord) {
|
|
list($x,$y) = explode(';',$coord);
|
|
$user_array .= round($x).';'.round($y).'/';
|
|
}
|
|
$user_array = substr($user_array,0,-1);
|
|
} else {
|
|
if ($studentChoice) {
|
|
$newquestionList[]=$questionId;
|
|
}
|
|
|
|
if ($answerId===1) {
|
|
$studentChoice =$choice[$answerId];
|
|
$questionScore +=$answerWeighting;
|
|
|
|
if ($hotspot_delineation_result[1]==1) {
|
|
$totalScore +=$answerWeighting; //adding the total
|
|
}
|
|
}
|
|
}
|
|
$_SESSION['hotspot_coord'][1] = $delineation_cord;
|
|
$_SESSION['hotspot_dest'][1] = $answer_delineation_destination;
|
|
break;
|
|
} // end switch Answertype
|
|
|
|
|
|
global $origin;
|
|
|
|
if ($show_result) {
|
|
|
|
if ($debug) error_log('show result '.$show_result);
|
|
|
|
if ($from == 'exercise_result') {
|
|
if ($debug) error_log('Showing questions $from '.$from);
|
|
//display answers (if not matching type, or if the answer is correct)
|
|
if ($answerType != MATCHING || $answerCorrect) {
|
|
if (in_array($answerType, array(UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, MULTIPLE_ANSWER, MULTIPLE_ANSWER_COMBINATION))) {
|
|
if ($origin != 'learnpath') {
|
|
ExerciseShowFunctions::display_unique_or_multiple_answer($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,0,0,0);
|
|
}
|
|
} elseif($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
|
|
if ($origin!='learnpath') {
|
|
ExerciseShowFunctions::display_multiple_answer_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,0,$questionId,0);
|
|
}
|
|
} elseif($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE ) {
|
|
if ($origin!='learnpath') {
|
|
ExerciseShowFunctions::display_multiple_answer_combination_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,0,0,0);
|
|
}
|
|
} elseif($answerType == FILL_IN_BLANKS) {
|
|
if ($origin!='learnpath') {
|
|
ExerciseShowFunctions::display_fill_in_blanks_answer($answer,0,0);
|
|
}
|
|
} elseif($answerType == FREE_ANSWER) {
|
|
// to store the details of open questions in an array to be used in mail
|
|
$arrques[] = $questionName;
|
|
$arrans[] = $choice;
|
|
if($origin != 'learnpath') {
|
|
ExerciseShowFunctions::display_free_answer($choice,0,0);
|
|
}
|
|
} elseif($answerType == ORAL_EXPRESSION) {
|
|
// to store the details of open questions in an array to be used in mail
|
|
$arrques[] = $questionName;
|
|
$arrans[] = $choice;
|
|
if($origin != 'learnpath') {
|
|
ExerciseShowFunctions::display_oral_expression_answer($choice, 0, 0, $nano);
|
|
}
|
|
} elseif($answerType == HOT_SPOT) {
|
|
if ($origin != 'learnpath') {
|
|
ExerciseShowFunctions::display_hotspot_answer($answerId, $answer, $studentChoice, $answerComment);
|
|
}
|
|
} elseif($answerType == HOT_SPOT_ORDER) {
|
|
if ($origin != 'learnpath') {
|
|
ExerciseShowFunctions::display_hotspot_order_answer($answerId, $answer, $studentChoice, $answerComment);
|
|
}
|
|
} elseif ($answerType == HOT_SPOT_DELINEATION) {
|
|
$user_answer = $_SESSION['exerciseResultCoordinates'][$questionId];
|
|
|
|
//$_SESSION['exerciseResultCoordinates']=str_replace('/','|',$user_answer);
|
|
//if (!$comes_from_popup) {
|
|
//round-up the coordinates
|
|
$coords = explode('/',$user_answer);
|
|
$user_array = '';
|
|
foreach ($coords as $coord) {
|
|
list($x,$y) = explode(';',$coord);
|
|
$user_array .= round($x).';'.round($y).'/';
|
|
}
|
|
$user_array = substr($user_array,0,-1);
|
|
|
|
if ($next) {
|
|
//$tbl_track_e_hotspot = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
|
|
// Save into db
|
|
/* $sql = "INSERT INTO $tbl_track_e_hotspot (hotspot_user_id, hotspot_course_code, hotspot_exe_id, hotspot_question_id, hotspot_answer_id, hotspot_correct, hotspot_coordinate )
|
|
VALUES ('".Database::escape_string($_user['user_id'])."', '".Database::escape_string($_course['id'])."', '".Database::escape_string($exeId)."', '".Database::escape_string($questionId)."', '".Database::escape_string($answerId)."', '".Database::escape_string($studentChoice)."', '".Database::escape_string($user_array)."')";
|
|
$result = api_sql_query($sql,__FILE__,__LINE__);*/
|
|
$user_answer = $user_array;
|
|
|
|
// we compare only the delineation not the other points
|
|
$answer_question = $_SESSION['hotspot_coord'][1];
|
|
$answerDestination = $_SESSION['hotspot_dest'][1];
|
|
|
|
//calculating the area
|
|
$poly_user = convert_coordinates($user_answer,'/');
|
|
$poly_answer = convert_coordinates($answer_question,'|');
|
|
$max_coord = poly_get_max($poly_user,$poly_answer);
|
|
$poly_user_compiled = poly_compile($poly_user,$max_coord);
|
|
$poly_answer_compiled = poly_compile($poly_answer,$max_coord);
|
|
$poly_results = poly_result($poly_answer_compiled,$poly_user_compiled,$max_coord);
|
|
|
|
$overlap = $poly_results['both'];
|
|
$poly_answer_area = $poly_results['s1'];
|
|
$poly_user_area = $poly_results['s2'];
|
|
$missing = $poly_results['s1Only'];
|
|
$excess = $poly_results['s2Only'];
|
|
|
|
//$overlap = round(polygons_overlap($poly_answer,$poly_user)); //this is an area in pixels
|
|
if ($debug>0) error_log(__LINE__.' - Polygons results are '.print_r($poly_results,1),0);
|
|
|
|
if ($overlap < 1) {
|
|
//shortcut to avoid complicated calculations
|
|
$final_overlap = 0;
|
|
$final_missing = 100;
|
|
$final_excess = 100;
|
|
} else {
|
|
// the final overlap is the percentage of the initial polygon that is overlapped by the user's polygon
|
|
$final_overlap = round(((float)$overlap / (float)$poly_answer_area)*100);
|
|
if ($debug>1) error_log(__LINE__.' - Final overlap is '.$final_overlap,0);
|
|
// the final missing area is the percentage of the initial polygon that is not overlapped by the user's polygon
|
|
$final_missing = 100 - $final_overlap;
|
|
if ($debug>1) {
|
|
error_log(__LINE__.' - Final missing is '.$final_missing,0);
|
|
}
|
|
// the final excess area is the percentage of the initial polygon's size that is covered by the user's polygon outside of the initial polygon
|
|
$final_excess = round((((float)$poly_user_area-(float)$overlap)/(float)$poly_answer_area)*100);
|
|
if ($debug>1) {
|
|
error_log(__LINE__.' - Final excess is '.$final_excess,0);
|
|
}
|
|
}
|
|
|
|
//checking the destination parameters parsing the "@@"
|
|
$destination_items= explode('@@', $answerDestination);
|
|
$threadhold_total = $destination_items[0];
|
|
$threadhold_items=explode(';',$threadhold_total);
|
|
$threadhold1 = $threadhold_items[0]; // overlap
|
|
$threadhold2 = $threadhold_items[1]; // excess
|
|
$threadhold3 = $threadhold_items[2]; //missing
|
|
|
|
// if is delineation
|
|
if ($answerId===1) {
|
|
//setting colors
|
|
if ($final_overlap>=$threadhold1) {
|
|
$overlap_color=true; //echo 'a';
|
|
}
|
|
//echo $excess.'-'.$threadhold2;
|
|
if ($final_excess<=$threadhold2) {
|
|
$excess_color=true; //echo 'b';
|
|
}
|
|
//echo '--------'.$missing.'-'.$threadhold3;
|
|
if ($final_missing<=$threadhold3) {
|
|
$missing_color=true; //echo 'c';
|
|
}
|
|
|
|
// if pass
|
|
if ($final_overlap>=$threadhold1 && $final_missing<=$threadhold3 && $final_excess<=$threadhold2) {
|
|
$next=1; //go to the oars
|
|
$result_comment=get_lang('Acceptable');
|
|
$final_answer = 1; // do not update with update_exercise_attempt
|
|
} else {
|
|
$next=0;
|
|
$result_comment=get_lang('Unacceptable');
|
|
$comment=$answerDestination=$objAnswerTmp->selectComment(1);
|
|
$answerDestination=$objAnswerTmp->selectDestination(1);
|
|
//checking the destination parameters parsing the "@@"
|
|
$destination_items= explode('@@', $answerDestination);
|
|
}
|
|
} elseif($answerId>1) {
|
|
if ($objAnswerTmp->selectHotspotType($answerId) == 'noerror') {
|
|
if ($debug>0) {
|
|
error_log(__LINE__.' - answerId is of type noerror',0);
|
|
}
|
|
//type no error shouldn't be treated
|
|
$next = 1;
|
|
continue;
|
|
}
|
|
if ($debug>0) {
|
|
error_log(__LINE__.' - answerId is >1 so we\'re probably in OAR',0);
|
|
}
|
|
//check the intersection between the oar and the user
|
|
//echo 'user'; print_r($x_user_list); print_r($y_user_list);
|
|
//echo 'official';print_r($x_list);print_r($y_list);
|
|
//$result = get_intersection_data($x_list,$y_list,$x_user_list,$y_user_list);
|
|
$inter= $result['success'];
|
|
|
|
//$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
|
|
$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
|
|
|
|
$poly_answer = convert_coordinates($delineation_cord,'|');
|
|
$max_coord = poly_get_max($poly_user,$poly_answer);
|
|
$poly_answer_compiled = poly_compile($poly_answer,$max_coord);
|
|
$overlap = poly_touch($poly_user_compiled, $poly_answer_compiled,$max_coord);
|
|
|
|
if ($overlap == false) {
|
|
//all good, no overlap
|
|
$next = 1;
|
|
continue;
|
|
} else {
|
|
if ($debug>0) {
|
|
error_log(__LINE__.' - Overlap is '.$overlap.': OAR hit',0);
|
|
}
|
|
$organs_at_risk_hit++;
|
|
//show the feedback
|
|
$next=0;
|
|
$comment=$answerDestination=$objAnswerTmp->selectComment($answerId);
|
|
$answerDestination=$objAnswerTmp->selectDestination($answerId);
|
|
|
|
$destination_items= explode('@@', $answerDestination);
|
|
$try_hotspot=$destination_items[1];
|
|
$lp_hotspot=$destination_items[2];
|
|
$select_question_hotspot=$destination_items[3];
|
|
$url_hotspot=$destination_items[4];
|
|
}
|
|
}
|
|
} else { // the first delineation feedback
|
|
if ($debug>0) {
|
|
error_log(__LINE__.' first',0);
|
|
}
|
|
}
|
|
|
|
|
|
} elseif($answerType==MATCHING) {
|
|
if ($origin != 'learnpath') {
|
|
echo '<tr>';
|
|
echo '<td>'.text_filter($answer_matching[$answerId]).'</td><td>'.text_filter($user_answer).' / <b><span style="color: #008000;">'.text_filter($answer_matching[$answerCorrect]).'</span></b></td>';
|
|
echo '</tr>';
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if ($debug) error_log('Showing questions $from '.$from);
|
|
|
|
switch($answerType) {
|
|
case UNIQUE_ANSWER :
|
|
case UNIQUE_ANSWER_NO_OPTION:
|
|
case MULTIPLE_ANSWER :
|
|
case MULTIPLE_ANSWER_COMBINATION :
|
|
if ($answerId==1) {
|
|
ExerciseShowFunctions::display_unique_or_multiple_answer($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,$answerId);
|
|
} else {
|
|
ExerciseShowFunctions::display_unique_or_multiple_answer($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,"");
|
|
}
|
|
break;
|
|
case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
|
|
if ($answerId==1) {
|
|
ExerciseShowFunctions::display_multiple_answer_combination_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,$answerId);
|
|
} else {
|
|
ExerciseShowFunctions::display_multiple_answer_combination_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,"");
|
|
}
|
|
break;
|
|
case MULTIPLE_ANSWER_TRUE_FALSE :
|
|
if ($answerId==1) {
|
|
ExerciseShowFunctions::display_multiple_answer_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,$answerId);
|
|
} else {
|
|
ExerciseShowFunctions::display_multiple_answer_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,"");
|
|
}
|
|
break;
|
|
case FILL_IN_BLANKS:
|
|
echo '<tr><td>';
|
|
ExerciseShowFunctions::display_fill_in_blanks_answer($answer,$exeId,$questionId);
|
|
echo '</td></tr>';
|
|
break;
|
|
case FREE_ANSWER:
|
|
echo '<tr>
|
|
<td valign="top">'.ExerciseShowFunctions::display_free_answer($choice, $exeId, $questionId).'</td>
|
|
</tr>
|
|
</table>';
|
|
break;
|
|
case ORAL_EXPRESSION:
|
|
echo '<tr>
|
|
<td valign="top">'.ExerciseShowFunctions::display_oral_expression_answer($choice, $exeId, $questionId, $nano).'</td>
|
|
</tr>
|
|
</table>';
|
|
break;
|
|
case HOT_SPOT:
|
|
ExerciseShowFunctions::display_hotspot_answer($answerId, $answer, $studentChoice, $answerComment);
|
|
break;
|
|
case HOT_SPOT_DELINEATION:
|
|
$user_answer = $user_array;
|
|
if ($next) {
|
|
//$tbl_track_e_hotspot = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
|
|
// Save into db
|
|
/* $sql = "INSERT INTO $tbl_track_e_hotspot (hotspot_user_id, hotspot_course_code, hotspot_exe_id, hotspot_question_id, hotspot_answer_id, hotspot_correct, hotspot_coordinate )
|
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VALUES ('".Database::escape_string($_user['user_id'])."', '".Database::escape_string($_course['id'])."', '".Database::escape_string($exeId)."', '".Database::escape_string($questionId)."', '".Database::escape_string($answerId)."', '".Database::escape_string($studentChoice)."', '".Database::escape_string($user_array)."')";
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$result = api_sql_query($sql,__FILE__,__LINE__);*/
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$user_answer = $user_array;
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// we compare only the delineation not the other points
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$answer_question = $_SESSION['hotspot_coord'][1];
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$answerDestination = $_SESSION['hotspot_dest'][1];
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//calculating the area
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$poly_user = convert_coordinates($user_answer,'/');
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$poly_answer = convert_coordinates($answer_question,'|');
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$max_coord = poly_get_max($poly_user,$poly_answer);
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$poly_user_compiled = poly_compile($poly_user,$max_coord);
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$poly_answer_compiled = poly_compile($poly_answer,$max_coord);
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$poly_results = poly_result($poly_answer_compiled,$poly_user_compiled,$max_coord);
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$overlap = $poly_results['both'];
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$poly_answer_area = $poly_results['s1'];
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$poly_user_area = $poly_results['s2'];
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$missing = $poly_results['s1Only'];
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$excess = $poly_results['s2Only'];
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//$overlap = round(polygons_overlap($poly_answer,$poly_user)); //this is an area in pixels
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if ($debug>0) {
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error_log(__LINE__.' - Polygons results are '.print_r($poly_results,1),0);
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}
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if ($overlap < 1) {
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//shortcut to avoid complicated calculations
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$final_overlap = 0;
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$final_missing = 100;
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$final_excess = 100;
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} else {
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// the final overlap is the percentage of the initial polygon that is overlapped by the user's polygon
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$final_overlap = round(((float)$overlap / (float)$poly_answer_area)*100);
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if ($debug>1) {
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error_log(__LINE__.' - Final overlap is '.$final_overlap,0);
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}
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// the final missing area is the percentage of the initial polygon that is not overlapped by the user's polygon
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$final_missing = 100 - $final_overlap;
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if ($debug>1) {
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error_log(__LINE__.' - Final missing is '.$final_missing,0);
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}
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// the final excess area is the percentage of the initial polygon's size that is covered by the user's polygon outside of the initial polygon
|
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$final_excess = round((((float)$poly_user_area-(float)$overlap)/(float)$poly_answer_area)*100);
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if ($debug>1) {
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error_log(__LINE__.' - Final excess is '.$final_excess,0);
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}
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}
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//checking the destination parameters parsing the "@@"
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$destination_items= explode('@@', $answerDestination);
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$threadhold_total = $destination_items[0];
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$threadhold_items=explode(';',$threadhold_total);
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$threadhold1 = $threadhold_items[0]; // overlap
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$threadhold2 = $threadhold_items[1]; // excess
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$threadhold3 = $threadhold_items[2]; //missing
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// if is delineation
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if ($answerId===1) {
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//setting colors
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if ($final_overlap>=$threadhold1) {
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$overlap_color=true; //echo 'a';
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}
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//echo $excess.'-'.$threadhold2;
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if ($final_excess<=$threadhold2) {
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$excess_color=true; //echo 'b';
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}
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//echo '--------'.$missing.'-'.$threadhold3;
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if ($final_missing<=$threadhold3) {
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$missing_color=true; //echo 'c';
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}
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// if pass
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if ($final_overlap>=$threadhold1 && $final_missing<=$threadhold3 && $final_excess<=$threadhold2) {
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$next=1; //go to the oars
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$result_comment=get_lang('Acceptable');
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$final_answer = 1; // do not update with update_exercise_attempt
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} else {
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$next=0;
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$result_comment=get_lang('Unacceptable');
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$comment=$answerDestination=$objAnswerTmp->selectComment(1);
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$answerDestination=$objAnswerTmp->selectDestination(1);
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//checking the destination parameters parsing the "@@"
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$destination_items= explode('@@', $answerDestination);
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}
|
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} elseif($answerId>1) {
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if ($objAnswerTmp->selectHotspotType($answerId) == 'noerror') {
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if ($debug>0) {
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error_log(__LINE__.' - answerId is of type noerror',0);
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}
|
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//type no error shouldn't be treated
|
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$next = 1;
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continue;
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}
|
|
if ($debug>0) {
|
|
error_log(__LINE__.' - answerId is >1 so we\'re probably in OAR',0);
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|
}
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|
//check the intersection between the oar and the user
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|
//echo 'user'; print_r($x_user_list); print_r($y_user_list);
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//echo 'official';print_r($x_list);print_r($y_list);
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//$result = get_intersection_data($x_list,$y_list,$x_user_list,$y_user_list);
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$inter= $result['success'];
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//$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
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$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
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|
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$poly_answer = convert_coordinates($delineation_cord,'|');
|
|
$max_coord = poly_get_max($poly_user,$poly_answer);
|
|
$poly_answer_compiled = poly_compile($poly_answer,$max_coord);
|
|
$overlap = poly_touch($poly_user_compiled, $poly_answer_compiled,$max_coord);
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|
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if ($overlap == false) {
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|
//all good, no overlap
|
|
$next = 1;
|
|
continue;
|
|
} else {
|
|
if ($debug>0) {
|
|
error_log(__LINE__.' - Overlap is '.$overlap.': OAR hit',0);
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|
}
|
|
$organs_at_risk_hit++;
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//show the feedback
|
|
$next=0;
|
|
$comment=$answerDestination=$objAnswerTmp->selectComment($answerId);
|
|
$answerDestination=$objAnswerTmp->selectDestination($answerId);
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|
|
$destination_items= explode('@@', $answerDestination);
|
|
$try_hotspot=$destination_items[1];
|
|
$lp_hotspot=$destination_items[2];
|
|
$select_question_hotspot=$destination_items[3];
|
|
$url_hotspot=$destination_items[4];
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|
}
|
|
}
|
|
} else { // the first delineation feedback
|
|
if ($debug>0) {
|
|
error_log(__LINE__.' first',0);
|
|
}
|
|
}
|
|
break;
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|
case HOT_SPOT_ORDER:
|
|
ExerciseShowFunctions::display_hotspot_order_answer($answerId, $answer, $studentChoice, $answerComment);
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|
break;
|
|
case MATCHING:
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|
if ($origin != 'learnpath') {
|
|
echo '<tr>';
|
|
echo '<td>'.text_filter($answer_matching[$answerId]).'</td><td>'.text_filter($user_answer).' / <b><span style="color: #008000;">'.text_filter($answer_matching[$answerCorrect]).'</span></b></td>';
|
|
echo '</tr>';
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if ($debug) error_log(' ------ ');
|
|
} // end for that loops over all answers of the current question
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|
|
if ($debug) error_log('-- end answer loop --');
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|
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|
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// destruction of Answer
|
|
|
|
if (!$saved_results && $answerType == HOT_SPOT) {
|
|
$queryfree = "SELECT marks FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".Database::escape_string($exeId)."' and question_id= '".Database::escape_string($questionId)."'";
|
|
$resfree = Database::query($queryfree);
|
|
$questionScore = Database::result($resfree,0,"marks");
|
|
}
|
|
|
|
$final_answer = true;
|
|
foreach ($real_answers as $my_answer) {
|
|
if (!$my_answer) {
|
|
$final_answer = false;
|
|
}
|
|
}
|
|
|
|
//we add the total score after dealing with the answers
|
|
if ($answerType == MULTIPLE_ANSWER_COMBINATION || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE ) {
|
|
if ($final_answer) {
|
|
//getting only the first score where we save the weight of all the question
|
|
$answerWeighting = $objAnswerTmp->selectWeighting(1);
|
|
$questionScore += $answerWeighting;
|
|
$totalScore += $answerWeighting;
|
|
}
|
|
}
|
|
|
|
//Fixes multiple answer question in order to be exact
|
|
if ($answerType == MULTIPLE_ANSWER) {
|
|
$counter = 1;
|
|
$correct_answer = true;
|
|
foreach ($real_answers as $my_answer) {
|
|
if ($debug) error_log(" my_answer: $my_answer answer_correct_array[counter]: ".$answer_correct_array[$counter]);
|
|
if ($my_answer != $answer_correct_array[$counter]) {
|
|
$correct_answer = false;
|
|
break;
|
|
}
|
|
$counter++;
|
|
}
|
|
if ($debug) error_log(" answer_correct_array: ".print_r($answer_correct_array, 1)."");
|
|
if ($debug) error_log(" real_answers: ".print_r($real_answers, 1)."");
|
|
if ($debug) error_log(" correct_answer: ".$correct_answer);
|
|
|
|
if ($correct_answer == false) {
|
|
$questionScore = 0;
|
|
}
|
|
}
|
|
|
|
$extra_data = array('final_overlap' => $final_overlap, 'final_missing'=>$final_missing, 'final_excess'=> $final_excess,
|
|
'overlap_color' => $overlap_color, 'missing_color'=>$missing_color, 'excess_color'=> $excess_color,
|
|
'threadhold1' => $threadhold1, 'threadhold2'=>$threadhold2, 'threadhold3'=> $threadhold3,
|
|
);
|
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|
|
if ($from == 'exercise_result') {
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|
// if answer is hotspot. To the difference of exercise_show.php, we use the results from the session (from_db=0)
|
|
// TODO Change this, because it is wrong to show the user some results that haven't been stored in the database yet
|
|
if ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER || $answerType == HOT_SPOT_DELINEATION ) {
|
|
|
|
if ($debug) error_log('$from AND this is a hotspot kind of question ');
|
|
|
|
$my_exe_id = 0;
|
|
$from_database = 0;
|
|
if ($answerType == HOT_SPOT_DELINEATION) {
|
|
if (0) {
|
|
if ($overlap_color) {
|
|
$overlap_color='green';
|
|
} else {
|
|
$overlap_color='red';
|
|
}
|
|
if ($missing_color) {
|
|
$missing_color='green';
|
|
} else {
|
|
$missing_color='red';
|
|
}
|
|
if ($excess_color) {
|
|
$excess_color='green';
|
|
} else {
|
|
$excess_color='red';
|
|
}
|
|
if (!is_numeric($final_overlap)) {
|
|
$final_overlap = 0;
|
|
}
|
|
if (!is_numeric($final_missing)) {
|
|
$final_missing = 0;
|
|
}
|
|
if (!is_numeric($final_excess)) {
|
|
$final_excess = 0;
|
|
}
|
|
|
|
if ($final_overlap>100) {
|
|
$final_overlap = 100;
|
|
}
|
|
|
|
$table_resume='<table class="data_table">
|
|
<tr class="row_odd" >
|
|
<td></td>
|
|
<td ><b>'.get_lang('Requirements').'</b></td>
|
|
<td><b>'.get_lang('YourAnswer').'</b></td>
|
|
</tr>
|
|
<tr class="row_even">
|
|
<td><b>'.get_lang('Overlap').'</b></td>
|
|
<td>'.get_lang('Min').' '.$threadhold1.'</td>
|
|
<td><div style="color:'.$overlap_color.'">'.(($final_overlap < 0)?0:intval($final_overlap)).'</div></td>
|
|
</tr>
|
|
<tr>
|
|
<td><b>'.get_lang('Excess').'</b></td>
|
|
<td>'.get_lang('Max').' '.$threadhold2.'</td>
|
|
<td><div style="color:'.$excess_color.'">'.(($final_excess < 0)?0:intval($final_excess)).'</div></td>
|
|
</tr>
|
|
<tr class="row_even">
|
|
<td><b>'.get_lang('Missing').'</b></td>
|
|
<td>'.get_lang('Max').' '.$threadhold3.'</td>
|
|
<td><div style="color:'.$missing_color.'">'.(($final_missing < 0)?0:intval($final_missing)).'</div></td>
|
|
</tr>
|
|
</table>';
|
|
if ($next==0) {
|
|
$try = $try_hotspot;
|
|
$lp = $lp_hotspot;
|
|
$destinationid= $select_question_hotspot;
|
|
$url=$url_hotspot;
|
|
} else {
|
|
//show if no error
|
|
//echo 'no error';
|
|
$comment=$answerComment=$objAnswerTmp->selectComment($nbrAnswers);
|
|
$answerDestination=$objAnswerTmp->selectDestination($nbrAnswers);
|
|
}
|
|
|
|
echo '<h1><div style="color:#333;">'.get_lang('Feedback').'</div></h1>
|
|
<p style="text-align:center">';
|
|
|
|
$message='<p>'.get_lang('YourDelineation').'</p>';
|
|
$message.=$table_resume;
|
|
$message.='<br />'.get_lang('ResultIs').' '.$result_comment.'<br />';
|
|
if ($organs_at_risk_hit>0) {
|
|
$message.='<p><b>'.get_lang('OARHit').'</b></p>';
|
|
}
|
|
$message.='<p>'.$comment.'</p>';
|
|
echo $message;
|
|
} else {
|
|
echo $hotspot_delineation_result[0]; //prints message
|
|
$from_database = 1; // the hotspot_solution.swf needs this variable
|
|
}
|
|
|
|
//save the score attempts
|
|
|
|
if (1) {
|
|
$final_answer = $hotspot_delineation_result[1]; //getting the answer 1 or 0 comes from exercise_submit_modal.php
|
|
if ($final_answer == 0) {
|
|
$questionScore = 0;
|
|
}
|
|
exercise_attempt($questionScore, 1, $quesId, $exeId, 0); // we always insert the answer_id 1 = delineation
|
|
//in delineation mode, get the answer from $hotspot_delineation_result[1]
|
|
exercise_attempt_hotspot($exeId,$quesId,1, $hotspot_delineation_result[1], $exerciseResultCoordinates[$quesId]);
|
|
} else {
|
|
if ($final_answer==0) {
|
|
$questionScore = 0;
|
|
$answer=0;
|
|
exercise_attempt($questionScore, $answer, $quesId, $exeId, 0);
|
|
if (is_array($exerciseResultCoordinates[$quesId])) {
|
|
foreach($exerciseResultCoordinates[$quesId] as $idx => $val) {
|
|
exercise_attempt_hotspot($exeId,$quesId,$idx,0,$val);
|
|
}
|
|
}
|
|
} else {
|
|
exercise_attempt($questionScore, $answer, $quesId, $exeId, 0);
|
|
if (is_array($exerciseResultCoordinates[$quesId])) {
|
|
foreach($exerciseResultCoordinates[$quesId] as $idx => $val) {
|
|
exercise_attempt_hotspot($exeId,$quesId,$idx,$choice[$idx],$val);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$my_exe_id = $exeId;
|
|
}
|
|
}
|
|
|
|
if ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER) {
|
|
// We made an extra table for the answers
|
|
|
|
if ($show_result) {
|
|
if ($origin != 'learnpath') {
|
|
echo '</table></td></tr>';
|
|
echo '<tr>
|
|
<td colspan="2">';
|
|
echo '<i>'.get_lang('HotSpot').'</i><br /><br />';
|
|
|
|
echo '<object type="application/x-shockwave-flash" data="'.api_get_path(WEB_CODE_PATH).'plugin/hotspot/hotspot_solution.swf?modifyAnswers='.Security::remove_XSS($questionId).'&exe_id='.$exeId.'&from_db=1" width="552" height="352">
|
|
<param name="movie" value="../plugin/hotspot/hotspot_solution.swf?modifyAnswers='.Security::remove_XSS($questionId).'&exe_id='.$exeId.'&from_db=1" />
|
|
</object>';
|
|
echo '</td>
|
|
</tr>';
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($origin != 'learnpath') {
|
|
if ($show_result) {
|
|
echo '</table>';
|
|
echo '<div id="question_score">';
|
|
if ($propagate_neg == 0 && $questionScore < 0) {
|
|
$questionScore = 0;
|
|
}
|
|
echo get_lang('Score').": ".show_score($questionScore, $questionWeighting, false, false);
|
|
echo '</div>';
|
|
}
|
|
}
|
|
}
|
|
unset ($objAnswerTmp);
|
|
$i++;
|
|
|
|
$totalWeighting += $questionWeighting;
|
|
// Store results directly in the database
|
|
// For all in one page exercises, the results will be
|
|
// stored by exercise_results.php (using the session)
|
|
|
|
if ($saved_results) {
|
|
if ($debug) error_log("Save question results $saved_results");
|
|
if ($debug) error_log(print_r($choice ,1 ));
|
|
|
|
if (empty($choice)) {
|
|
$choice = 0;
|
|
}
|
|
if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE ) {
|
|
if ($choice != 0) {
|
|
$reply = array_keys($choice);
|
|
for ($i = 0; $i < sizeof($reply); $i++) {
|
|
$ans = $reply[$i];
|
|
exercise_attempt($questionScore, $ans.':'.$choice[$ans], $quesId, $exeId, $i, $this->id);
|
|
if ($debug) error_log('result =>'.$questionScore.' '.$ans.':'.$choice[$ans]);
|
|
}
|
|
} else {
|
|
exercise_attempt($questionScore, 0, $quesId, $exeId, 0, $this->id);
|
|
}
|
|
} elseif ($answerType == MULTIPLE_ANSWER) {
|
|
if ($choice != 0) {
|
|
$reply = array_keys($choice);
|
|
if ($debug) error_log("reply ".print_r($reply, 1)."");
|
|
for ($i = 0; $i < sizeof($reply); $i++) {
|
|
$ans = $reply[$i];
|
|
exercise_attempt($questionScore, $ans, $quesId, $exeId, $i, $this->id);
|
|
}
|
|
} else {
|
|
exercise_attempt($questionScore, 0, $quesId, $exeId, 0, $this->id);
|
|
}
|
|
} elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
|
|
if ($choice != 0) {
|
|
$reply = array_keys($choice);
|
|
for ($i = 0; $i < sizeof($reply); $i++) {
|
|
$ans = $reply[$i];
|
|
exercise_attempt($questionScore, $ans, $quesId, $exeId, $i, $this->id);
|
|
}
|
|
} else {
|
|
exercise_attempt($questionScore, 0, $quesId, $exeId, 0, $this->id);
|
|
}
|
|
} elseif ($answerType == MATCHING) {
|
|
foreach ($matching as $j => $val) {
|
|
exercise_attempt($questionScore, $val, $quesId, $exeId, $j, $this->id);
|
|
}
|
|
} elseif ($answerType == FREE_ANSWER) {
|
|
$answer = $choice;
|
|
exercise_attempt($questionScore, $answer, $quesId, $exeId, 0, $this->id);
|
|
} elseif ($answerType == ORAL_EXPRESSION) {
|
|
$answer = $choice;
|
|
exercise_attempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $nano);
|
|
|
|
} elseif ($answerType == UNIQUE_ANSWER || $answerType == UNIQUE_ANSWER_NO_OPTION) {
|
|
$answer = $choice;
|
|
exercise_attempt($questionScore, $answer, $quesId, $exeId, 0, $this->id);
|
|
// } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
|
|
} elseif ($answerType == HOT_SPOT) {
|
|
exercise_attempt($questionScore, $answer, $quesId, $exeId, 0, $this->id);
|
|
if (isset($exerciseResultCoordinates[$questionId]) && !empty($exerciseResultCoordinates[$questionId])) {
|
|
foreach($exerciseResultCoordinates[$questionId] as $idx => $val) {
|
|
exercise_attempt_hotspot($exeId,$quesId,$idx,$choice[$idx],$val,$this->id);
|
|
}
|
|
}
|
|
} else {
|
|
exercise_attempt($questionScore, $answer, $quesId, $exeId, 0,$this->id);
|
|
}
|
|
}
|
|
|
|
if ($propagate_neg == 0 && $questionScore < 0) {
|
|
$questionScore = 0;
|
|
}
|
|
if ($saved_results) {
|
|
$stat_table = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$sql_update = 'UPDATE ' . $stat_table . ' SET exe_result = exe_result + ' . floatval($questionScore) . ' WHERE exe_id = ' . $exeId;
|
|
if ($debug) error_log($sql_update);
|
|
Database::query($sql_update);
|
|
}
|
|
$return_array = array('score'=>$questionScore, 'weight'=>$questionWeighting,'extra'=>$extra_data);
|
|
return $return_array;
|
|
} //End function
|
|
|
|
/**
|
|
* Sends a notification when a user ends an examn
|
|
*
|
|
*/
|
|
function send_notification($arrques, $arrans, $origin) {
|
|
|
|
if (api_get_course_setting('email_alert_manager_on_new_quiz') != 1 ) {
|
|
return '';
|
|
}
|
|
|
|
// Email configuration settings
|
|
$coursecode = api_get_course_id();
|
|
$course_info = api_get_course_info(api_get_course_id());
|
|
$to = '';
|
|
$teachers = array();
|
|
if (api_get_session_id()) {
|
|
$teachers = CourseManager::get_coach_list_from_course_code($coursecode, api_get_session_id());
|
|
} else {
|
|
$teachers = CourseManager::get_teacher_list_from_course_code($coursecode);
|
|
}
|
|
$num = count($teachers);
|
|
if ($num > 1) {
|
|
$to = array();
|
|
foreach($teachers as $teacher) {
|
|
$to[] = $teacher['email'];
|
|
}
|
|
} elseif ($num>0){
|
|
foreach($teachers as $teacher) {
|
|
$to = $teacher['email'];
|
|
}
|
|
} else {
|
|
//this is a problem (it means that there is no admin for this course)
|
|
}
|
|
|
|
$url_email = api_get_path(WEB_CODE_PATH).'exercice/exercise_report.php?'.api_get_cidreq().'&id_session='.api_get_session_id().'&exerciseId='.$this->id;
|
|
$user_info = UserManager::get_user_info_by_id(api_get_user_id());
|
|
|
|
$mycharset = api_get_system_encoding();
|
|
$msg = '<html><head>
|
|
<link rel="stylesheet" href="'.api_get_path(WEB_CODE_PATH).'css/'.api_get_setting('stylesheets').'/default.css" type="text/css">
|
|
<meta content="text/html; charset='.$mycharset.'" http-equiv="content-type"></head>';
|
|
|
|
if (count($arrques) > 0) {
|
|
$msg .= '<body>
|
|
<p>'.get_lang('OpenQuestionsAttempted').' :
|
|
</p>
|
|
<p>'.get_lang('AttemptDetails').' : <br />
|
|
</p>
|
|
<table width="730" height="136" border="0" cellpadding="3" cellspacing="3">
|
|
<tr>
|
|
<td width="229" valign="top"><h2> '.get_lang('CourseName').'</h2></td>
|
|
<td width="469" valign="top"><h2>#course#</h2></td>
|
|
</tr>
|
|
<tr>
|
|
<td width="229" valign="top" class="outerframe"> '.get_lang('TestAttempted').'</span></td>
|
|
<td width="469" valign="top" class="outerframe">#exercise#</td>
|
|
</tr>
|
|
<tr>
|
|
<td valign="top"> <span class="style10">'.get_lang('StudentName').'</span></td>
|
|
<td valign="top" >#firstName# #lastName#</td>
|
|
</tr>
|
|
<tr>
|
|
<td valign="top" > '.get_lang('StudentEmail').' </td>
|
|
<td valign="top"> #mail#</td>
|
|
</tr></table>
|
|
<p><br />'.get_lang('OpenQuestionsAttemptedAre').' :</p>
|
|
<table width="730" height="136" border="0" cellpadding="3" cellspacing="3">';
|
|
|
|
for($i=0;$i<sizeof($arrques);$i++) {
|
|
$msg.='
|
|
<tr>
|
|
<td width="220" valign="top" bgcolor="#E5EDF8"> <span class="style10">'.get_lang('Question').'</span></td>
|
|
<td width="473" valign="top" bgcolor="#F3F3F3"><span class="style16"> #questionName#</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td width="220" valign="top" bgcolor="#E5EDF8"> <span class="style10">'.get_lang('Answer').' </span></td>
|
|
<td valign="top" bgcolor="#F3F3F3"><span class="style16"> #answer#</span></td>
|
|
</tr>';
|
|
|
|
$msg1 = str_replace("#exercise#", $this->exercise, $msg);
|
|
$msg = str_replace("#firstName#", $user_info['firstname'],$msg1);
|
|
$msg1 = str_replace("#lastName#", $user_info['lastname'],$msg);
|
|
$msg = str_replace("#mail#", $user_info['email'],$msg1);
|
|
$msg1 = str_replace("#questionName#",$arrques[$i],$msg);
|
|
$msg = str_replace("#answer#", $arrans[$i],$msg1);
|
|
$msg1 = str_replace("#i#", $i,$msg);
|
|
$msg = str_replace("#course#", $course_info['name'],$msg1);
|
|
}
|
|
|
|
$msg.='</table><br />';
|
|
if ($origin != 'learnpath') {
|
|
$msg.= '<span class="style16">'.get_lang('ClickToCommentAndGiveFeedback').',<br />
|
|
<a href="#url#">#url#</a></span>';
|
|
}
|
|
$msg.= '</body></html>';
|
|
|
|
$msg1 = str_replace("#url#", $url_email, $msg);
|
|
$mail_content = $msg1;
|
|
|
|
$subject = get_lang('OpenQuestionsAttempted');
|
|
|
|
$sender_name = api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS);
|
|
$email_admin = api_get_setting('emailAdministrator');
|
|
$result = @api_mail_html('', $to, $subject, $mail_content, $sender_name, $email_admin, array('charset'=>$mycharset));
|
|
} else {
|
|
$msg .= '<body>
|
|
<p>'.get_lang('ExerciseAttempted').'</p>
|
|
<table width="730" height="136" border="0" cellpadding="3" cellspacing="3">
|
|
<tr>
|
|
<td width="229" valign="top"><h2>'.get_lang('CourseName').'</h2></td>
|
|
<td width="469" valign="top"><h2>#course#</h2></td>
|
|
</tr>
|
|
<tr>
|
|
<td width="229" valign="top" class="outerframe"> '.get_lang('TestAttempted').'</span></td>
|
|
<td width="469" valign="top" class="outerframe">#exercise#</td>
|
|
</tr>
|
|
<tr>
|
|
<td valign="top"> <span class="style10">'.get_lang('StudentName').'</span></td>
|
|
'.(api_is_western_name_order() ? '<td valign="top" >#firstName# #lastName#</td>' : '<td valign="top" >#lastName# #firstName#</td>').'
|
|
</tr>
|
|
<tr>
|
|
<td valign="top" > '.get_lang('StudentEmail').' </td>
|
|
<td valign="top"> #mail#</td>
|
|
</tr></table>';
|
|
|
|
$msg= str_replace("#exercise#", $this->exercise,$msg);
|
|
$msg= str_replace("#firstName#", $user_info['firstname'], $msg);
|
|
$msg= str_replace("#lastName#", $user_info['lastname'], $msg);
|
|
$msg= str_replace("#mail#", $user_info['email'], $msg);
|
|
$msg= str_replace("#course#", $course_info['name'], $msg);
|
|
|
|
if ($origin != 'learnpath') {
|
|
|
|
$msg.='<br />
|
|
<span class="style16">'.get_lang('ClickToCommentAndGiveFeedback').',<br />
|
|
<a href="#url#">#url#</a></span>';
|
|
}
|
|
$msg .= '</body></html>';
|
|
|
|
$msg = str_replace("#url#", $url_email, $msg);
|
|
$mail_content = $msg;
|
|
$sender_name = api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS);
|
|
$email_admin = api_get_setting('emailAdministrator');
|
|
$subject = get_lang('ExerciseAttempted');
|
|
$result = @api_mail_html('', $to, $subject, $mail_content, $sender_name, $email_admin, array('charset'=>$mycharset));
|
|
}
|
|
}
|
|
|
|
function show_exercise_result_header($user_data, $date = null) {
|
|
$description = '';
|
|
if (!empty($this->description)) {
|
|
$description = '<tr>
|
|
<td style="font-weight:bold" width="10%">
|
|
'.get_lang("Description").' :
|
|
</td>
|
|
<td width="90%">
|
|
'.$this->description.'
|
|
</td>
|
|
</tr>';
|
|
}
|
|
$date_data = '';
|
|
if (!empty($date)) {
|
|
$date_data = '<tr>
|
|
<td style="font-weight:bold" width="10%">
|
|
'.get_lang("Date").' :
|
|
</td>
|
|
<td width="90%">
|
|
'.$date.'
|
|
</td>
|
|
</tr>';
|
|
}
|
|
$html = '<table width="100%">
|
|
<tr>
|
|
<td colspan="2">
|
|
<h2>'.Display::return_icon('quiz_big.png', get_lang('Result')).' '.$this->exercise.' : '.get_lang('Result').'</h2>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="font-weight:bold" width="90px"> '.get_lang('User').' : </td>
|
|
<td>
|
|
'.$user_data.'
|
|
</td>
|
|
</tr>
|
|
'.$date_data.'
|
|
'.$description.'
|
|
</table>
|
|
<br />';
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* Create a quiz from quiz data
|
|
* @param string Title
|
|
* @param int Time before it expires (in minutes)
|
|
* @param int Type of exercise
|
|
* @param int Whether it's randomly picked questions (1) or not (0)
|
|
* @param int Whether the exercise is visible to the user (1) or not (0)
|
|
* @param int Whether the results are show to the user (0) or not (1)
|
|
* @param int Maximum number of attempts (0 if no limit)
|
|
* @param int Feedback type
|
|
* @todo this was function was added due the import exercise via CSV
|
|
* @return int New exercise ID
|
|
*/
|
|
function create_quiz ($title, $expired_time = 0, $type = 2, $random = 0, $active = 1, $results_disabled = 0, $max_attempt = 0, $feedback = 3) {
|
|
$tbl_quiz = Database::get_course_table(TABLE_QUIZ_TEST);
|
|
$expired_time = filter_var($expired_time,FILTER_SANITIZE_NUMBER_INT);
|
|
$type = filter_var($type,FILTER_SANITIZE_NUMBER_INT);
|
|
$random = filter_var($random,FILTER_SANITIZE_NUMBER_INT);
|
|
$active = filter_var($active,FILTER_SANITIZE_NUMBER_INT);
|
|
$results_disabled = filter_var($results_disabled,FILTER_SANITIZE_NUMBER_INT);
|
|
$max_attempt = filter_var($max_attempt,FILTER_SANITIZE_NUMBER_INT);
|
|
$feedback = filter_var($feedback,FILTER_SANITIZE_NUMBER_INT);
|
|
$sid = api_get_session_id();
|
|
// Save a new quiz
|
|
$sql = "INSERT INTO $tbl_quiz (title,type,random,active,results_disabled, max_attempt,start_time,end_time,feedback_type,expired_time, session_id) ".
|
|
" VALUES('".Database::escape_string($title)."',$type,$random,$active, $results_disabled,$max_attempt,'','',$feedback,$expired_time,$sid)";
|
|
$rs = Database::query($sql);
|
|
$quiz_id = Database::get_last_insert_id();
|
|
return $quiz_id;
|
|
}
|
|
|
|
function process_geometry() {
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns the exercise result
|
|
* @param int attempt id
|
|
* @return float exercise result
|
|
*/
|
|
|
|
public function get_exercise_result($exe_id) {
|
|
$result = array();
|
|
$track_exercise_info = get_exercise_track_exercise_info($exe_id);
|
|
if (!empty($track_exercise_info)) {
|
|
$objExercise = new Exercise();
|
|
$objExercise->read($track_exercise_info['exe_exo_id']);
|
|
if (!empty($track_exercise_info['data_tracking'])) {
|
|
$question_list = explode(',', $track_exercise_info['data_tracking']);
|
|
}
|
|
foreach ($question_list as $questionId) {
|
|
$question_result = $objExercise->manage_answer($exe_id, $questionId, '','exercise_show', array(), false, true, false, $objExercise->selectPropagateNeg());
|
|
$questionScore = $question_result['score'];
|
|
$totalScore += $question_result['score'];
|
|
}
|
|
|
|
if ($objExercise->selectPropagateNeg() == 0 && $totalScore < 0) {
|
|
$totalScore = 0;
|
|
}
|
|
$result = array('score' => $totalScore, 'weight' =>$track_exercise_info['exe_weighting']);
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* Checks if the exercise is visible due a lot of conditions - visibility, time limits, student attempts
|
|
* @return bool true if is active
|
|
*/
|
|
|
|
public function is_visible($lp_id = 0, $lp_item_id = 0 , $lp_item_view_id = 0, $filter_by_admin = true) {
|
|
//1. By default the exercise is visible
|
|
$is_visible = true;
|
|
|
|
//1.1 Admins and teachers can access to the exercise
|
|
if ($filter_by_admin) {
|
|
if (api_is_platform_admin() || api_is_course_admin()) {
|
|
return array('value' => true, 'message' => '');
|
|
}
|
|
}
|
|
|
|
//2. If the exercise is not active
|
|
if ($this->active == 0) {
|
|
return array('value' => false, 'message' => Display::return_message(get_lang('ExerciseNotFound'), 'warning', false));
|
|
}
|
|
|
|
//3. We check if the time limits are on
|
|
$limit_time_exists = ((!empty($this->start_time) && $this->start_time != '0000-00-00 00:00:00') || (!empty($this->end_time) && $this->end_time != '0000-00-00 00:00:00')) ? true : false;
|
|
|
|
if ($limit_time_exists) {
|
|
$time_now = time();
|
|
|
|
if (!empty($this->start_time) && $this->start_time != '0000-00-00 00:00:00') {
|
|
$is_visible = (($time_now - api_strtotime($this->start_time, 'UTC')) > 0) ? true : false;
|
|
}
|
|
|
|
if ($is_visible == false) {
|
|
$message = sprintf(get_lang('ExerciseAvailableFromX'), api_convert_and_format_date($this->start_time));
|
|
}
|
|
|
|
if ($is_visible == true) {
|
|
if ($this->end_time != '0000-00-00 00:00:00') {
|
|
$is_visible = ((api_strtotime($this->end_time, 'UTC') > $time_now) > 0) ? true : false;
|
|
if ($is_visible == false) {
|
|
$message = sprintf(get_lang('ExerciseAvailableUntilX'), api_convert_and_format_date($this->end_time));
|
|
}
|
|
}
|
|
}
|
|
if ($is_visible == false && $this->start_time != '0000-00-00 00:00:00' && $this->end_time != '0000-00-00 00:00:00') {
|
|
$message = sprintf(get_lang('ExerciseWillBeActivatedFromXToY'), api_convert_and_format_date($this->start_time), api_convert_and_format_date($this->end_time));
|
|
}
|
|
}
|
|
|
|
// 4. We check if the student have attempts
|
|
if ($is_visible) {
|
|
if ($this->selectAttempts() > 0) {
|
|
$attempt_count = get_attempt_count_not_finished(api_get_user_id(), $this->id, $lp_id, $lp_item_id, $lp_item_view_id);
|
|
|
|
if ($attempt_count >= $this->selectAttempts()) {
|
|
$message = sprintf(get_lang('ReachedMaxAttempts'), $this->name, $this->selectAttempts());
|
|
$is_visible = false;
|
|
}
|
|
}
|
|
}
|
|
if (!empty($message)){
|
|
$message = Display :: return_message($message, 'warning', false);
|
|
}
|
|
return array('value' => $is_visible, 'message' => $message);
|
|
}
|
|
|
|
function save_attempt() {
|
|
|
|
}
|
|
|
|
function added_in_lp() {
|
|
$TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
|
|
$sql = "SELECT max_score FROM $TBL_LP_ITEM WHERE c_id = ".$this->course_id." AND item_type = '".TOOL_QUIZ."' AND path = '".$this->id."'";
|
|
$result = Database::query($sql);
|
|
if (Database::num_rows($result) > 0) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function get_validated_question_list() {
|
|
$tabres = array();
|
|
$isRandomByCategory = $this->isRandomByCat();
|
|
if (!$isRandomByCategory) {
|
|
if ($this->isRandom()) {
|
|
$tabres = $this->selectRandomList();
|
|
}
|
|
else {
|
|
$tabres = $this->selectQuestionList();
|
|
}
|
|
}
|
|
else {
|
|
if ($this->isRandom()) {
|
|
if (!class_exists("Testcategory")) {
|
|
require_once("testcategory.class.php");
|
|
}
|
|
//
|
|
// USE question categories
|
|
//
|
|
// get questions by category for this exercice
|
|
// we have to choice $objExercise->random question in each array values of $tabCategoryQuestions
|
|
// key of $tabCategoryQuestions are the categopy id (0 for not in a category)
|
|
// value is the array of question id of this category
|
|
$questionList = array();
|
|
$tabCategoryQuestions = array();
|
|
$tabCategoryQuestions = Testcategory::getQuestionsByCat($this->id);
|
|
$isRandomByCategory = $this->selectRandomByCat();
|
|
// on tri les catégories en fonction du terme entre [] en tête de la description de la catégorie
|
|
/*
|
|
* ex de catégories :
|
|
* [biologie] Maîtriser les mécanismes de base de la génétique
|
|
* [biologie] Relier les moyens de défenses et les agents infectieux
|
|
* [biologie] Savoir où est produite l'énergie dans les cellules et sous quelle forme
|
|
* [chimie] Classer les molécules suivant leur pouvoir oxydant ou réducteur
|
|
* [chimie] Connaître la définition de la théorie acide/base selon Brönsted
|
|
* [chimie] Connaître les charges des particules
|
|
* On veut dans l'ordre des groupes définis par le terme entre crochet au début du titre de la catégorie
|
|
*/
|
|
// If test option is Grouped By Categories
|
|
if ($isRandomByCategory == 2) {
|
|
$tabCategoryQuestions = Testcategory::sortTabByBracketLabel($tabCategoryQuestions);
|
|
}
|
|
while (list($cat_id, $tabquestion) = each($tabCategoryQuestions)) {
|
|
$number_of_random_question = $this->random;
|
|
if ($this->random == -1) {
|
|
$number_of_random_question = count($this->questionList);
|
|
}
|
|
$questionList = array_merge($questionList, Testcategory::getNElementsFromArray($tabquestion, $number_of_random_question));
|
|
}
|
|
// shuffle the question list if test is not grouped by categories
|
|
if ($isRandomByCategory == 1) {
|
|
shuffle($questionList); // or not
|
|
}
|
|
$tabres = $questionList;
|
|
}
|
|
else {
|
|
// Problem, random by category has been selected and we have no $this->isRandom nnumber of question selected
|
|
// Should not happened
|
|
}
|
|
}
|
|
return $tabres; }
|
|
|
|
public function get_stat_track_exercise_info_by_exe_id($exe_id) {
|
|
$track_exercises = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
$exe_id = intval($exe_id);
|
|
$sql_track = "SELECT * FROM $track_exercises WHERE exe_id = $exe_id ";
|
|
$result = Database::query($sql_track);
|
|
$new_array = array();
|
|
if (Database::num_rows($result) > 0 ) {
|
|
$new_array = Database::fetch_array($result, 'ASSOC');
|
|
}
|
|
return $new_array;
|
|
}
|
|
|
|
public function edit_question_to_remind($exe_id, $question_id, $action = 'add') {
|
|
$exercise_info = self::get_stat_track_exercise_info_by_exe_id($exe_id);
|
|
$question_id = intval($question_id);
|
|
$exe_id = intval($exe_id);
|
|
$track_exercises = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
|
|
if ($exercise_info) {
|
|
|
|
if (empty($exercise_info['questions_to_check'])) {
|
|
if ($action == 'add') {
|
|
$sql = "UPDATE $track_exercises SET questions_to_check = '$question_id' WHERE exe_id = $exe_id ";
|
|
$result = Database::query($sql);
|
|
}
|
|
} else {
|
|
$remind_list = explode(',',$exercise_info['questions_to_check']);
|
|
|
|
$remind_list_string = '';
|
|
if ($action == 'add') {
|
|
if (!in_array($question_id, $remind_list)) {
|
|
$remind_list[] = $question_id;
|
|
if (!empty($remind_list)) {
|
|
sort($remind_list);
|
|
array_filter($remind_list);
|
|
}
|
|
$remind_list_string = implode(',', $remind_list);
|
|
}
|
|
} elseif ($action == 'delete') {
|
|
if (!empty($remind_list)) {
|
|
if (in_array($question_id, $remind_list)) {
|
|
$remind_list = array_flip($remind_list);
|
|
unset($remind_list[$question_id]);
|
|
$remind_list = array_flip($remind_list);
|
|
|
|
if (!empty($remind_list)) {
|
|
sort($remind_list);
|
|
array_filter($remind_list);
|
|
$remind_list_string = implode(',', $remind_list);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$remind_list_string = Database::escape_string($remind_list_string);
|
|
$sql = "UPDATE $track_exercises SET questions_to_check = '$remind_list_string' WHERE exe_id = $exe_id ";
|
|
$result = Database::query($sql);
|
|
}
|
|
}
|
|
}
|
|
|
|
public function fill_in_blank_answer_to_string($answer) {
|
|
api_preg_match_all('/\[[^]]+\]/', $answer, $teacher_answer_list);
|
|
$result = '';
|
|
if (!empty($teacher_answer_list)) {
|
|
$teacher_answer_list = $teacher_answer_list[0];
|
|
$i = 0;
|
|
foreach($teacher_answer_list as $teacher_item) {
|
|
$value = null;
|
|
//Cleaning student answer list
|
|
$value = strip_tags($teacher_item);
|
|
$value = api_substr($value,1, api_strlen($value)-2);
|
|
$value = explode('/', $value);
|
|
if (!empty($value[0])) {
|
|
$value = trim($value[0]);
|
|
$value = str_replace(' ', '', $value);
|
|
$result .= $value;
|
|
}
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
}
|
|
endif; |