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							7675 lines
						
					
					
						
							325 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, adding multiple categories, media questions, commitee
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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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use \ChamiloSession as Session;
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use \ChamiloLMS\Transaction\TransactionLog;
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use \ChamiloLMS\Transaction\TransactionLogController;
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// Page options
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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_MODEL_TYPE_NORMAL', 1);
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define('EXERCISE_MODEL_TYPE_COMMITTEE', 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('RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS', 0); //show score and expected answers
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define('RESULT_DISABLE_NO_SCORE_AND_EXPECTED_ANSWERS', 1); //Do not show score nor answers
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define('RESULT_DISABLE_SHOW_SCORE_ONLY', 2); //Show score only
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define('RESULT_DISABLE_SHOW_FINAL_SCORE_ONLY_WITH_CATEGORIES', 3); //Show final score only with categories
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define('EXERCISE_MAX_NAME_SIZE', 80);
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define('EXERCISE_CATEGORY_RANDOM_SHUFFLED', 1);
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define('EXERCISE_CATEGORY_RANDOM_ORDERED', 2);
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define('EXERCISE_CATEGORY_RANDOM_DISABLED', 0);
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// Question selection type
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define('EX_Q_SELECTION_ORDERED', 1);
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define('EX_Q_SELECTION_RANDOM', 2);
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define('EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_ORDERED', 3);
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define('EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED', 4);
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define('EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_RANDOM', 5);
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define('EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM', 6);
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define('EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED', 7);
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define('EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED', 8);
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define('EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_ORDERED', 9);
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define('EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_RANDOM', 10);
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$debug = false; //All exercise scripts should depend in this debug variable
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class Exercise
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{
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    public $id;
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    public $name;
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    public $title;
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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 $feedback_type;
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    public $end_time;
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    public $start_time;
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    /* show media id */
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    public $questionList; // medias as id
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    /* including question list of the media */
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    public $questionListUncompressed;
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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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    public $edit_exercise_in_lp = false;
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    public $is_gradebook_locked = false;
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    public $exercise_was_added_in_lp = false;
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    public $force_edit_exercise_in_lp = false;
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    public $categories;
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    public $categories_grouping = true;
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    public $endButton = 0;
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    public $categoryWithQuestionList;
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    public $mediaList;
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    public $loadQuestionAJAX = false;
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    public $emailNotificationTemplate = null;
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    public $countQuestions = 0;
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    public $fastEdition = false;
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    public $modelType = 1;
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    public $questionSelectionType = EX_Q_SELECTION_ORDERED;
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    public $hideQuestionTitle = 0;
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    public $scoreTypeModel = 0;
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    public $categoryMinusOne = true; // Shows the category -1: See BT#6540
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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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     * @param int $course_id
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     */
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    public function Exercise($course_id = null)
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    {
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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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        $this->modelType = 1;
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        $this->questionSelectionType = EX_Q_SELECTION_ORDERED;
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        $this->endButton = 0;
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        $this->scoreTypeModel = 0;
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        if (!empty($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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        /* Make sure that we have a valid $course_info. */
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        if (!isset($course_info['real_id'])) {
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            throw new Exception('Could not get a valid $course_info with the provided $course_id: ' . $course_id . '.');
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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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        $this->fastEdition = api_get_course_setting('allow_fast_exercise_edition') == 1 ? true : false;
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        $this->emailAlert = api_get_course_setting('email_alert_manager_on_new_quiz') == 1 ? true : false;
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        $this->hideQuestionTitle = 0;
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    }
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    /**
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     * Reads exercise information from the database
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     *
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     * @author Olivier Brouckaert
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     * @todo use Doctrine to manage read/writes
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     * @param int $id - exercise ID
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     * @param bool parse exercise question list
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     * @return boolean - true if exercise exists, otherwise false
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     */
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    public function read($id, $parseQuestionList = true)
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    {
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        if (empty($this->course_id)) {
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            return false;
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        }
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        global $_configuration;
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        $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
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        $table_lp_item = Database::get_course_table(TABLE_LP_ITEM);
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        $id = intval($id);
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        $sql = "SELECT * FROM $TBL_EXERCICES WHERE c_id = ".$this->course_id." AND iid = ".$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 = $object->title;
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            $this->title = $object->title;
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            $this->description = $object->description;
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            $this->sound = $object->sound;
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            $this->type = $object->type;
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            if (empty($this->type)) {
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                $this->type = ONE_PER_PAGE;
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            }
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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->feedback_type = $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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            $this->is_gradebook_locked = api_resource_is_locked_by_gradebook($id, LINK_EXERCISE);
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            $this->endButton = $object->end_button;
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            $this->emailNotificationTemplate = $object->email_notification_template;
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            $this->modelType = $object->model_type;
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            $this->questionSelectionType = $object->question_selection_type;
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            $this->hideQuestionTitle = $object->hide_question_title;
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            $this->scoreTypeModel = $object->score_type_model;
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            $this->review_answers = (isset($object->review_answers) && $object->review_answers == 1) ? true : false;
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            $sql = "SELECT max_score FROM $table_lp_item
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                    WHERE   c_id = {$this->course_id} AND
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                            item_type = '".TOOL_QUIZ."' AND
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                            path = '".$id."'";
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            $result = Database::query($sql);
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            if (Database::num_rows($result) > 0) {
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                $this->exercise_was_added_in_lp = true;
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            }
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            $this->force_edit_exercise_in_lp = isset($_configuration['force_edit_exercise_in_lp']) ? $_configuration['force_edit_exercise_in_lp'] : false;
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            if ($this->exercise_was_added_in_lp) {
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                $this->edit_exercise_in_lp = $this->force_edit_exercise_in_lp == true;
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            } else {
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                $this->edit_exercise_in_lp = true;
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            }
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            if ($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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            // Control time
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            $this->expired_time = $object->expired_time;
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            if ($parseQuestionList) {
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                $this->setQuestionList();
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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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            $this->questionList = $questionList;
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            } */
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            return true;
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        }
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        // exercise not found
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        return false;
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    }
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    /**
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     * @return string
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     */
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    public function getCutTitle()
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    {
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        return Text::cut($this->exercise, EXERCISE_MAX_NAME_SIZE);
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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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     *
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     * @return int - exercise ID
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     */
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    public function selectId()
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    {
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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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     *
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     * @return string - exercise title
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     */
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    function selectTitle()
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    {
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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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    {
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        return $this->attempts;
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    }
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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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     *
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     * @return int exercise attempts
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     */
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    function selectFeedbackType()
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    {
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        return $this->feedback_type;
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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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						|
    {
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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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     *
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     * @return string - exercise description
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     */
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						|
    function selectDescription()
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    {
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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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    {
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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
 | 
						|
     * @return integer - exercise type
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						|
     */
 | 
						|
    public function selectType()
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						|
    {
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						|
        return $this->type;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @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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						|
    public function selectDisplayCategoryName()
 | 
						|
    {
 | 
						|
        return $this->display_category_name;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function selectPassPercentage()
 | 
						|
    {
 | 
						|
        return $this->pass_percentage;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function selectEmailNotificationTemplate()
 | 
						|
    {
 | 
						|
        return $this->emailNotificationTemplate;
 | 
						|
    }
 | 
						|
 | 
						|
    public function getModelType()
 | 
						|
    {
 | 
						|
        return $this->modelType;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public function selectEndButton()
 | 
						|
    {
 | 
						|
        return $this->endButton;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @author Hubert borderiou 30-11-11
 | 
						|
     * @return void modify object to update the switch display_category_name
 | 
						|
     * $in_txt is an integer 0 or 1
 | 
						|
     */
 | 
						|
    public function updateDisplayCategoryName($text)
 | 
						|
    {
 | 
						|
        $this->display_category_name = $text;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @author - hubert borderiou 28-11-11
 | 
						|
     * @return string html text : the text to display ay the end of the test.
 | 
						|
     */
 | 
						|
    public function selectTextWhenFinished()
 | 
						|
    {
 | 
						|
        return $this->text_when_finished;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @author Hubert borderiou 28-11-11
 | 
						|
     * @return string html text : update the text to display ay the end of the test.
 | 
						|
     */
 | 
						|
    public function updateTextWhenFinished($text)
 | 
						|
    {
 | 
						|
        $this->text_when_finished = $text;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * return 1 or 2 if randomByCat
 | 
						|
     * @author - hubert borderiou
 | 
						|
     * @return integer - quiz random by category
 | 
						|
     */
 | 
						|
    public function selectRandomByCat()
 | 
						|
    {
 | 
						|
        return $this->randomByCat;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * return 0 if no random by cat
 | 
						|
     * return 1 if random by cat, categories shuffled
 | 
						|
     * return 2 if random by cat, categories sorted by alphabetic order
 | 
						|
     * @author Hubert borderiou
 | 
						|
     *
 | 
						|
     * @return integer - quiz random by category
 | 
						|
     */
 | 
						|
    public function isRandomByCat()
 | 
						|
    {
 | 
						|
        $res = EXERCISE_CATEGORY_RANDOM_DISABLED;
 | 
						|
        if ($this->randomByCat == EXERCISE_CATEGORY_RANDOM_SHUFFLED) {
 | 
						|
            $res = EXERCISE_CATEGORY_RANDOM_SHUFFLED;
 | 
						|
        } else if ($this->randomByCat == EXERCISE_CATEGORY_RANDOM_ORDERED) {
 | 
						|
            $res = EXERCISE_CATEGORY_RANDOM_ORDERED;
 | 
						|
        }
 | 
						|
 | 
						|
        return $res;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Sets the random by category value
 | 
						|
     * @author Julio Montoya
 | 
						|
     * @param int random by category
 | 
						|
     */
 | 
						|
    public function updateRandomByCat($random)
 | 
						|
    {
 | 
						|
        if (in_array($random, array(
 | 
						|
                EXERCISE_CATEGORY_RANDOM_SHUFFLED,
 | 
						|
                EXERCISE_CATEGORY_RANDOM_ORDERED,
 | 
						|
                EXERCISE_CATEGORY_RANDOM_DISABLED
 | 
						|
            )
 | 
						|
        )) {
 | 
						|
            $this->randomByCat = $random;
 | 
						|
        } else {
 | 
						|
            $this->randomByCat = EXERCISE_CATEGORY_RANDOM_DISABLED;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Tells if questions are selected randomly, and if so returns the draws
 | 
						|
     *
 | 
						|
     * @author - Carlos Vargas
 | 
						|
     *
 | 
						|
     * @return int results disabled exercise
 | 
						|
     */
 | 
						|
    public function selectResultsDisabled()
 | 
						|
    {
 | 
						|
        return $this->results_disabled;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * tells if questions are selected randomly, and if so returns the draws
 | 
						|
     *
 | 
						|
     * @author - Olivier Brouckaert
 | 
						|
     *
 | 
						|
     * @return bool - 0 if not random, otherwise the draws
 | 
						|
     */
 | 
						|
    public function isRandom()
 | 
						|
    {
 | 
						|
        if ($this->random > 0 || $this->random == -1) {
 | 
						|
            return true;
 | 
						|
        } else {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * returns random answers status.
 | 
						|
     *
 | 
						|
     * @author - Juan Carlos Ra�a
 | 
						|
     */
 | 
						|
    public function selectRandomAnswers()
 | 
						|
    {
 | 
						|
        return $this->random_answers;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Same as isRandom() but has a name applied to values different than 0 or 1
 | 
						|
     */
 | 
						|
    public function getShuffle()
 | 
						|
    {
 | 
						|
        return $this->random;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Returns the exercise status (1 = enabled ; 0 = disabled)
 | 
						|
     *
 | 
						|
     * @author - Olivier Brouckaert
 | 
						|
     * @return - boolean - true if enabled, otherwise false
 | 
						|
     */
 | 
						|
    public function selectStatus()
 | 
						|
    {
 | 
						|
        return $this->active;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * If false the question list will be managed as always if true the question will be filtered
 | 
						|
     * depending of the exercise settings (table c_quiz_rel_category)
 | 
						|
     * @param bool active or inactive grouping
 | 
						|
     **/
 | 
						|
    public function setCategoriesGrouping($status)
 | 
						|
    {
 | 
						|
        $this->categories_grouping = (bool) $status;
 | 
						|
    }
 | 
						|
 | 
						|
    public function getHideQuestionTitle()
 | 
						|
    {
 | 
						|
        return $this->hideQuestionTitle;
 | 
						|
    }
 | 
						|
 | 
						|
    public function setHideQuestionTitle($value)
 | 
						|
    {
 | 
						|
        $this->hideQuestionTitle = intval($value);
 | 
						|
    }
 | 
						|
 | 
						|
    public function getScoreTypeModel()
 | 
						|
    {
 | 
						|
        return $this->scoreTypeModel;
 | 
						|
    }
 | 
						|
 | 
						|
    public function setScoreTypeModel($value)
 | 
						|
    {
 | 
						|
        $this->scoreTypeModel = intval($value);
 | 
						|
    }
 | 
						|
    /**
 | 
						|
     *
 | 
						|
     * @param int $start
 | 
						|
     * @param int $limit
 | 
						|
     * @param int $sidx
 | 
						|
     * @param string $sord
 | 
						|
     * @param array $where_condition
 | 
						|
     * @param array $extraFields
 | 
						|
     */
 | 
						|
    public function getQuestionListPagination($start, $limit, $sidx, $sord, $where_condition = array(), $extraFields = array())
 | 
						|
    {
 | 
						|
        if (!empty($this->id)) {
 | 
						|
            $category_list = Testcategory::getListOfCategoriesNameForTest($this->id, false);
 | 
						|
            //$category_list = Testcategory::getListOfCategoriesIDForTestObject($this);
 | 
						|
 | 
						|
            $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
 | 
						|
            $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
 | 
						|
 | 
						|
            $sql = "SELECT q.iid
 | 
						|
                    FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS  q
 | 
						|
                        ON (e.question_id = q.iid AND e.c_id = ".$this->course_id." )
 | 
						|
					WHERE e.exercice_id	= '".Database::escape_string($this->id)."'
 | 
						|
					";
 | 
						|
 | 
						|
            $orderCondition = "ORDER BY question_order";
 | 
						|
 | 
						|
            if (!empty($sidx) && !empty($sord)) {
 | 
						|
                if ($sidx == 'question') {
 | 
						|
 | 
						|
                    if (in_array(strtolower($sord), array('desc', 'asc'))) {
 | 
						|
                        $orderCondition = " ORDER BY q.$sidx $sord";
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            $sql .= $orderCondition;
 | 
						|
 | 
						|
            $limitCondition = null;
 | 
						|
 | 
						|
            if (isset($start) && isset($limit)) {
 | 
						|
                $start = intval($start);
 | 
						|
                $limit = intval($limit);
 | 
						|
                $limitCondition = " LIMIT $start, $limit";
 | 
						|
            }
 | 
						|
            $sql .= $limitCondition;
 | 
						|
            $result = Database::query($sql);
 | 
						|
            $questions = array();
 | 
						|
            if (Database::num_rows($result)) {
 | 
						|
                if (!empty($extraFields)) {
 | 
						|
                    $extraFieldValue = new ExtraFieldValue('question');
 | 
						|
                }
 | 
						|
                while ($question = Database::fetch_array($result, 'ASSOC')) {
 | 
						|
                    /** @var Question $objQuestionTmp */
 | 
						|
                    $objQuestionTmp = Question::read($question['iid']);
 | 
						|
                    $category_labels = Testcategory::return_category_labels($objQuestionTmp->category_list, $category_list);
 | 
						|
 | 
						|
                    if (empty($category_labels)) {
 | 
						|
                        $category_labels = "-";
 | 
						|
                    }
 | 
						|
 | 
						|
                    // Question type
 | 
						|
                    list($typeImg, $typeExpl) = $objQuestionTmp->get_type_icon_html();
 | 
						|
 | 
						|
                    $question_media = null;
 | 
						|
                    if (!empty($objQuestionTmp->parent_id)) {
 | 
						|
                        $objQuestionMedia = Question::read($objQuestionTmp->parent_id);
 | 
						|
                        $question_media  = Question::getMediaLabel($objQuestionMedia->question);
 | 
						|
                    }
 | 
						|
 | 
						|
                    $questionType = Display::tag('div', Display::return_icon($typeImg, $typeExpl, array(), ICON_SIZE_MEDIUM).$question_media);
 | 
						|
 | 
						|
                    $question = array(
 | 
						|
                        'id' => $question['iid'],
 | 
						|
                        'question' => $objQuestionTmp->selectTitle(),
 | 
						|
                        'type' => $questionType,
 | 
						|
                        'category' => Display::tag('div', '<a href="#" style="padding:0px; margin:0px;">'.$category_labels.'</a>'),
 | 
						|
                        'score' => $objQuestionTmp->selectWeighting(),
 | 
						|
                        'level' => $objQuestionTmp->level
 | 
						|
                    );
 | 
						|
                    if (!empty($extraFields)) {
 | 
						|
                        foreach ($extraFields as $extraField) {
 | 
						|
                            $value = $extraFieldValue->get_values_by_handler_and_field_id($question['id'], $extraField['id']);
 | 
						|
                            $stringValue = null;
 | 
						|
                            if ($value) {
 | 
						|
                                $stringValue = $value['field_value'];
 | 
						|
                            }
 | 
						|
                            $question[$extraField['field_variable']] = $stringValue;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    $questions[] = $question;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            return $questions;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get question count per exercise from DB (any special treatment)
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public function getQuestionCount()
 | 
						|
    {
 | 
						|
        $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
 | 
						|
        $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
 | 
						|
        $sql = "SELECT count(e.iid) as count
 | 
						|
                FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
 | 
						|
                    ON (e.question_id = q.iid)
 | 
						|
                WHERE e.c_id = {$this->course_id} AND e.exercice_id	= ".Database::escape_string($this->id);
 | 
						|
        $result = Database::query($sql);
 | 
						|
 | 
						|
        $count = 0;
 | 
						|
        if (Database::num_rows($result)) {
 | 
						|
            $row = Database::fetch_array($result);
 | 
						|
            $count = $row['count'];
 | 
						|
        }
 | 
						|
 | 
						|
        return $count;
 | 
						|
    }
 | 
						|
 | 
						|
    public function getQuestionOrderedListByName()
 | 
						|
    {
 | 
						|
        $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
 | 
						|
        $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
 | 
						|
 | 
						|
          // Getting question list from the order (question list drag n drop interface ).
 | 
						|
        $sql = "SELECT e.question_id
 | 
						|
                FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
 | 
						|
                    ON (e.question_id= q.iid)
 | 
						|
                WHERE e.c_id = {$this->course_id} AND e.exercice_id	= '".Database::escape_string($this->id)."'
 | 
						|
                ORDER BY q.question";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        return $result->fetchAll();
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the question list ordered by the question_order setting (drag and drop)
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    private function getQuestionOrderedList()
 | 
						|
    {
 | 
						|
        $questionList = array();
 | 
						|
 | 
						|
        $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
 | 
						|
        $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
 | 
						|
 | 
						|
        // Getting question_order to verify that the question list is correct and all question_order's were set
 | 
						|
        $sql = "SELECT DISTINCT e.question_order
 | 
						|
                FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
 | 
						|
                    ON (e.question_id = q.iid)
 | 
						|
                WHERE e.c_id = {$this->course_id} AND e.exercice_id	= ".Database::escape_string($this->id);
 | 
						|
 | 
						|
        $result = Database::query($sql);
 | 
						|
 | 
						|
        $count_question_orders = Database::num_rows($result);
 | 
						|
 | 
						|
        // Getting question list from the order (question list drag n drop interface ).
 | 
						|
        $sql = "SELECT e.question_id, e.question_order
 | 
						|
                FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
 | 
						|
                    ON (e.question_id= q.iid)
 | 
						|
                WHERE e.c_id = {$this->course_id} AND e.exercice_id	= '".Database::escape_string($this->id)."'
 | 
						|
                ORDER BY question_order";
 | 
						|
        $result = Database::query($sql);
 | 
						|
 | 
						|
        // Fills the array with the question ID for this exercise
 | 
						|
        // the key of the array is the question position
 | 
						|
        $temp_question_list = array();
 | 
						|
 | 
						|
        $counter = 1;
 | 
						|
        while ($new_object = Database::fetch_object($result)) {
 | 
						|
            // Correct order.
 | 
						|
            $questionList[$new_object->question_order] = $new_object->question_id;
 | 
						|
            // Just in case we save the order in other array
 | 
						|
            $temp_question_list[$counter] = $new_object->question_id;
 | 
						|
            $counter++;
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($temp_question_list)) {
 | 
						|
            /* If both array don't match it means that question_order was not correctly set
 | 
						|
               for all questions using the default mysql order */
 | 
						|
            if (count($temp_question_list) != $count_question_orders) {
 | 
						|
                $questionList = $temp_question_list;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return $questionList;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Select N values from the questions per category array
 | 
						|
     *
 | 
						|
     * @param array $question_list
 | 
						|
     * @param array $questions_by_category per category
 | 
						|
     * @param array how many questions per category
 | 
						|
     * @param bool $randomizeQuestions
 | 
						|
     * @param bool flat result
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    private function pickQuestionsPerCategory(
 | 
						|
        $categoriesAddedInExercise,
 | 
						|
        $question_list,
 | 
						|
        & $questions_by_category,
 | 
						|
        $flatResult = true,
 | 
						|
        $randomizeQuestions = false
 | 
						|
    ) {
 | 
						|
 | 
						|
        $addAll = true;
 | 
						|
        $categoryCountArray = array();
 | 
						|
 | 
						|
        // Getting how many questions will be selected per category.
 | 
						|
        if (!empty($categoriesAddedInExercise)) {
 | 
						|
            $addAll = false;
 | 
						|
             // Parsing question according the category rel exercise settings
 | 
						|
            foreach ($categoriesAddedInExercise as $category_info) {
 | 
						|
                $category_id = $category_info['category_id'];
 | 
						|
                if (isset($questions_by_category[$category_id])) {
 | 
						|
                    // How many question will be picked from this category.
 | 
						|
                    $count = $category_info['count_questions'];
 | 
						|
                    // -1 means all questions
 | 
						|
                    if ($count == -1) {
 | 
						|
                        $categoryCountArray[$category_id] = 999;
 | 
						|
                    } else {
 | 
						|
                        $categoryCountArray[$category_id] = $count;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            }
 | 
						|
 | 
						|
        if (!empty($questions_by_category)) {
 | 
						|
            $temp_question_list = array();
 | 
						|
 | 
						|
            foreach ($questions_by_category as $category_id => & $categoryQuestionList) {
 | 
						|
 | 
						|
                if (isset($categoryCountArray) && !empty($categoryCountArray)) {
 | 
						|
                    if (isset($categoryCountArray[$category_id])) {
 | 
						|
                        $numberOfQuestions = $categoryCountArray[$category_id];
 | 
						|
                    } else {
 | 
						|
                        $numberOfQuestions = 0;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                if ($addAll) {
 | 
						|
                    $numberOfQuestions = 999;
 | 
						|
                }
 | 
						|
 | 
						|
                if (!empty($numberOfQuestions)) {
 | 
						|
                    $elements = Testcategory::getNElementsFromArray($categoryQuestionList, $numberOfQuestions, $randomizeQuestions);
 | 
						|
                if (!empty($elements)) {
 | 
						|
                        $temp_question_list[$category_id] = $elements;
 | 
						|
                        $categoryQuestionList = $elements;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if (!empty($temp_question_list)) {
 | 
						|
                if ($flatResult) {
 | 
						|
                    $temp_question_list = ArrayClass::array_flatten($temp_question_list);
 | 
						|
                }
 | 
						|
                $question_list = $temp_question_list;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $question_list;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Selecting question list depending in the exercise-category
 | 
						|
     * relationship (category table in exercise settings)
 | 
						|
     *
 | 
						|
     * @param array $question_list
 | 
						|
     * @param int $questionSelectionType
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public function getQuestionListWithCategoryListFilteredByCategorySettings($question_list, $questionSelectionType)
 | 
						|
    {
 | 
						|
        $result = array(
 | 
						|
            'question_list' => array(),
 | 
						|
            'category_with_questions_list' => array()
 | 
						|
        );
 | 
						|
 | 
						|
        // Order/random categories
 | 
						|
        $cat = new Testcategory();
 | 
						|
 | 
						|
        // Setting category order.
 | 
						|
 | 
						|
        switch ($questionSelectionType) {
 | 
						|
            case EX_Q_SELECTION_ORDERED: // 1
 | 
						|
            case EX_Q_SELECTION_RANDOM:  // 2
 | 
						|
                // This options are not allowed here.
 | 
						|
                break;
 | 
						|
            case EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_ORDERED: // 3
 | 
						|
                $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], 'title DESC', false, true);
 | 
						|
                $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
 | 
						|
                $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, false);
 | 
						|
                break;
 | 
						|
            case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED: // 4
 | 
						|
            case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED: // 7
 | 
						|
                $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], null, true, true);
 | 
						|
                $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
 | 
						|
                $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, false);
 | 
						|
                break;
 | 
						|
            case EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_RANDOM: // 5
 | 
						|
                $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], 'title DESC', false, true);
 | 
						|
                $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
 | 
						|
                $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, true);
 | 
						|
                    break;
 | 
						|
            case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM: // 6
 | 
						|
            case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED:
 | 
						|
                $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], null, true, true);
 | 
						|
                $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
 | 
						|
                $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, true);
 | 
						|
                    break;
 | 
						|
            case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED: // 7
 | 
						|
                    break;
 | 
						|
            case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED: // 8
 | 
						|
                    break;
 | 
						|
            case EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_ORDERED: // 9
 | 
						|
                $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], 'root ASC, lft ASC', false, true);
 | 
						|
                $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
 | 
						|
                $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, false);
 | 
						|
                    break;
 | 
						|
            case EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_RANDOM: // 10
 | 
						|
                $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], 'root, lft ASC', false, true);
 | 
						|
                $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
 | 
						|
                $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, true);
 | 
						|
                    break;
 | 
						|
        }
 | 
						|
 | 
						|
        $result['question_list'] = isset($question_list) ? $question_list : array();
 | 
						|
        $result['category_with_questions_list'] = isset($questions_by_category) ? $questions_by_category : array();
 | 
						|
 | 
						|
        // Adding category info in the category list with question list:
 | 
						|
 | 
						|
        if (!empty($questions_by_category)) {
 | 
						|
            global $app;
 | 
						|
            $em = $app['orm.em'];
 | 
						|
            $repo = $em->getRepository('Entity\CQuizCategory');
 | 
						|
 | 
						|
            $newCategoryList = array();
 | 
						|
 | 
						|
            foreach ($questions_by_category as $categoryId => $questionList) {
 | 
						|
 | 
						|
                $cat = new Testcategory($categoryId);
 | 
						|
                $cat = (array)$cat;
 | 
						|
                $cat['iid'] = $cat['id'];
 | 
						|
                $cat['name'] = $cat['title'];
 | 
						|
 | 
						|
                $categoryParentInfo = null;
 | 
						|
 | 
						|
                if (!empty($cat['parent_id'])) {
 | 
						|
                    if (!isset($parentsLoaded[$cat['parent_id']])) {
 | 
						|
                        $categoryEntity = $em->find('Entity\CQuizCategory', $cat['parent_id']);
 | 
						|
                        $parentsLoaded[$cat['parent_id']] = $categoryEntity;
 | 
						|
                    } else {
 | 
						|
                        $categoryEntity = $parentsLoaded[$cat['parent_id']];
 | 
						|
                    }
 | 
						|
                    $path = $repo->getPath($categoryEntity);
 | 
						|
                    $index = 0;
 | 
						|
                    if ($this->categoryMinusOne) {
 | 
						|
                        //$index = 1;
 | 
						|
                    }
 | 
						|
                    /** @var Entity\CQuizCategory $categoryParent*/
 | 
						|
 | 
						|
                    foreach ($path as $categoryParent) {
 | 
						|
                        $visibility = $categoryParent->getVisibility();
 | 
						|
 | 
						|
                        if ($visibility == 0) {
 | 
						|
                            $categoryParentId = $categoryId;
 | 
						|
                            $categoryTitle = $cat['title'];
 | 
						|
                            if (count($path) > 1) {
 | 
						|
                                continue;
 | 
						|
                            }
 | 
						|
                        } else {
 | 
						|
                            $categoryParentId = $categoryParent->getIid();
 | 
						|
                            $categoryTitle = $categoryParent->getTitle();
 | 
						|
                        }
 | 
						|
 | 
						|
                        $categoryParentInfo['id'] = $categoryParentId;
 | 
						|
                        $categoryParentInfo['iid'] = $categoryParentId;
 | 
						|
                        $categoryParentInfo['parent_path'] = null;
 | 
						|
                        $categoryParentInfo['title'] = $categoryTitle;
 | 
						|
                        $categoryParentInfo['name'] = $categoryTitle;
 | 
						|
                        $categoryParentInfo['parent_id'] = null;
 | 
						|
                        break;
 | 
						|
                    }
 | 
						|
                    /*
 | 
						|
                    if (isset($path) && isset($path[$index])) {
 | 
						|
                        $categoryParentId = $path[$index]->getIid();
 | 
						|
 | 
						|
                        $categoryParentInfo['id'] = $categoryParentId;
 | 
						|
                        $categoryParentInfo['iid'] = $categoryParentId;
 | 
						|
                        $categoryParentInfo['parent_path'] = null;
 | 
						|
                        $categoryParentInfo['title'] = $path[$index]->getTitle();
 | 
						|
                        $categoryParentInfo['name'] = $path[$index]->getTitle();
 | 
						|
                        $categoryParentInfo['parent_id'] = null;
 | 
						|
                    }*/
 | 
						|
                }
 | 
						|
                $cat['parent_info'] = $categoryParentInfo;
 | 
						|
                $newCategoryList[$categoryId] = array(
 | 
						|
                    'category' => $cat,
 | 
						|
                    'question_list' => $questionList
 | 
						|
                );
 | 
						|
            }
 | 
						|
            $result['category_with_questions_list'] = $newCategoryList;
 | 
						|
        }
 | 
						|
        return $result;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Returns the array with the question ID list ordered by question order (including question list in medias)
 | 
						|
     *
 | 
						|
     * @author Olivier Brouckaert
 | 
						|
     * @param bool $from_db
 | 
						|
     * @return array question ID list
 | 
						|
     */
 | 
						|
    public function selectQuestionList($from_db = false)
 | 
						|
    {
 | 
						|
        if ($from_db && !empty($this->id)) {
 | 
						|
 | 
						|
            $nbQuestions = $this->getQuestionCount();
 | 
						|
 | 
						|
            $questionSelectionType = $this->getQuestionSelectionType();
 | 
						|
 | 
						|
            switch ($questionSelectionType) {
 | 
						|
                case EX_Q_SELECTION_ORDERED:
 | 
						|
                    $questionList = $this->getQuestionOrderedList();
 | 
						|
                    break;
 | 
						|
                case EX_Q_SELECTION_RANDOM:
 | 
						|
                    // Not a random exercise, or if there are not at least 2 questions
 | 
						|
                    if ($this->random == 0 || $nbQuestions < 2) {
 | 
						|
                        $questionList = $this->getQuestionOrderedList();
 | 
						|
                    } else {
 | 
						|
                        $questionList = $this->selectRandomList();
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    $questionList = $this->getQuestionOrderedList();
 | 
						|
                    $result = $this->getQuestionListWithCategoryListFilteredByCategorySettings($questionList, $questionSelectionType);
 | 
						|
 | 
						|
                    $this->categoryWithQuestionList = $result['category_with_questions_list'];
 | 
						|
                    $questionList = $result['question_list'];
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
 | 
						|
            return $questionList;
 | 
						|
        }
 | 
						|
 | 
						|
        return $this->questionList;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * returns the number of questions in this exercise
 | 
						|
     *
 | 
						|
     * @author - Olivier Brouckaert
 | 
						|
     * @return integer - number of questions
 | 
						|
     */
 | 
						|
    public function selectNbrQuestions()
 | 
						|
    {
 | 
						|
        return sizeof($this->questionList);
 | 
						|
    }
 | 
						|
 | 
						|
    public function selectPropagateNeg()
 | 
						|
    {
 | 
						|
        return $this->propagate_neg;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Selects questions randomly in the question list
 | 
						|
     * If the exercise is not set to take questions randomly, returns the question list
 | 
						|
     * without randomizing, otherwise, returns the list with questions selected randomly
 | 
						|
     *
 | 
						|
     * @author Olivier Brouckaert, Modified by Hubert Borderiou 15 nov 2011
 | 
						|
     * @param array question list
 | 
						|
     * @return array question list modified or unmodified
 | 
						|
     *
 | 
						|
     */
 | 
						|
    public function selectRandomList()
 | 
						|
    {
 | 
						|
        $TBL_EXERCISE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
 | 
						|
        $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
 | 
						|
 | 
						|
        $random = isset($this->random) && !empty($this->random) ? $this->random : 0;
 | 
						|
 | 
						|
        $randomLimit = "LIMIT $random";
 | 
						|
        // Random all questions so no limit
 | 
						|
        if ($random == -1) {
 | 
						|
            $randomLimit = null;
 | 
						|
        }
 | 
						|
 | 
						|
        // @todo improve this query
 | 
						|
        $sql = "SELECT e.question_id
 | 
						|
                FROM $TBL_EXERCISE_QUESTION e INNER JOIN $TBL_QUESTIONS q
 | 
						|
                    ON (e.question_id= q.iid)
 | 
						|
                WHERE e.c_id = {$this->course_id} AND e.exercice_id	= '".Database::escape_string($this->id)."'
 | 
						|
                ORDER BY RAND()
 | 
						|
                $randomLimit ";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $questionList = array();
 | 
						|
        while ($row = Database::fetch_object($result)) {
 | 
						|
            $questionList[] = $row->question_id;
 | 
						|
        }
 | 
						|
        return $questionList;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * returns 'true' if the question ID is in the question list
 | 
						|
     *
 | 
						|
     * @author - Olivier Brouckaert
 | 
						|
     * @param - integer $questionId - question ID
 | 
						|
     *
 | 
						|
     * @return boolean - true if in the list, otherwise false
 | 
						|
     */
 | 
						|
    public function isInList($questionId)
 | 
						|
    {
 | 
						|
        if (is_array($this->questionList)) {
 | 
						|
            return in_array($questionId, $this->questionList);
 | 
						|
        } else {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * changes the exercise title
 | 
						|
     *
 | 
						|
     * @author - Olivier Brouckaert
 | 
						|
     * @param - string $title - exercise title
 | 
						|
     */
 | 
						|
    public function updateTitle($title)
 | 
						|
    {
 | 
						|
        $this->exercise = $title;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * changes the exercise max attempts
 | 
						|
     *
 | 
						|
     * @param - numeric $attempts - exercise max attempts
 | 
						|
     */
 | 
						|
    public function updateAttempts($attempts)
 | 
						|
    {
 | 
						|
        $this->attempts = $attempts;
 | 
						|
    }
 | 
						|
 | 
						|
    public function updateActive($active)
 | 
						|
    {
 | 
						|
        $this->active = $active;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * changes the exercise feedback type
 | 
						|
     *
 | 
						|
     * @param - numeric $attempts - exercise max attempts
 | 
						|
     */
 | 
						|
    public function updateFeedbackType($feedback_type)
 | 
						|
    {
 | 
						|
        $this->feedback_type = $feedback_type;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * changes the exercise description
 | 
						|
     *
 | 
						|
     * @author - Olivier Brouckaert
 | 
						|
     * @param - string $description - exercise description
 | 
						|
     */
 | 
						|
    public function updateDescription($description)
 | 
						|
    {
 | 
						|
        $this->description = $description;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * changes the exercise expired_time
 | 
						|
     *
 | 
						|
     * @author - Isaac flores
 | 
						|
     * @param - int The expired time of the quiz
 | 
						|
     */
 | 
						|
    public function updateExpiredTime($expired_time)
 | 
						|
    {
 | 
						|
        $this->expired_time = $expired_time;
 | 
						|
    }
 | 
						|
 | 
						|
    public function updatePropagateNegative($value)
 | 
						|
    {
 | 
						|
        $this->propagate_neg = $value;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param $value
 | 
						|
     */
 | 
						|
    public function updateReviewAnswers($value)
 | 
						|
    {
 | 
						|
        $this->review_answers = (isset($value) && $value) ? true : false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param $value
 | 
						|
     */
 | 
						|
    public function updatePassPercentage($value)
 | 
						|
    {
 | 
						|
        $this->pass_percentage = $value;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param $text
 | 
						|
     */
 | 
						|
    public function updateEmailNotificationTemplate($text)
 | 
						|
    {
 | 
						|
        $this->emailNotificationTemplate = $text;
 | 
						|
    }
 | 
						|
 | 
						|
    public function updateEndButton($value)
 | 
						|
    {
 | 
						|
        $this->endButton = intval($value);
 | 
						|
    }
 | 
						|
 | 
						|
    public function setModelType($value)
 | 
						|
    {
 | 
						|
        $this->modelType = intval($value);
 | 
						|
    }
 | 
						|
 | 
						|
    public function setQuestionSelectionType($value)
 | 
						|
    {
 | 
						|
        $this->questionSelectionType = intval($value);
 | 
						|
    }
 | 
						|
 | 
						|
    public function getQuestionSelectionType()
 | 
						|
    {
 | 
						|
        return $this->questionSelectionType;
 | 
						|
    }
 | 
						|
    /**
 | 
						|
     * @param array $categories
 | 
						|
     */
 | 
						|
    public function updateCategories($categories)
 | 
						|
    {
 | 
						|
        if (!empty($categories)) {
 | 
						|
            $categories = array_map('intval', $categories);
 | 
						|
            $this->categories = $categories;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * changes the exercise sound file
 | 
						|
     *
 | 
						|
     * @author - Olivier Brouckaert
 | 
						|
     * @param - string $sound - exercise sound file
 | 
						|
     * @param - string $delete - ask to delete the file
 | 
						|
     */
 | 
						|
    public function updateSound($sound, $delete)
 | 
						|
    {
 | 
						|
        global $audioPath, $documentPath;
 | 
						|
        $TBL_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
 | 
						|
 | 
						|
        if ($sound['size'] && (strstr($sound['type'], 'audio') || strstr($sound['type'], 'video'))) {
 | 
						|
            $this->sound = $sound['name'];
 | 
						|
 | 
						|
            if (@move_uploaded_file($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)) {
 | 
						|
                    $id = FileManager::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());
 | 
						|
                    FileManager::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 $type - exercise type
 | 
						|
     */
 | 
						|
    public function updateType($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 $random - 0 if not random, otherwise the draws
 | 
						|
     */
 | 
						|
    public function setRandom($random)
 | 
						|
    {
 | 
						|
        $this->random = $random;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * sets to 0 if answers are not selected randomly
 | 
						|
     * if answers are selected randomly
 | 
						|
     * @author - Juan Carlos Ra�a
 | 
						|
     * @param - integer $random_answers - random answers
 | 
						|
     */
 | 
						|
    public function updateRandomAnswers($random_answers)
 | 
						|
    {
 | 
						|
        $this->random_answers = $random_answers;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * enables the exercise
 | 
						|
     *
 | 
						|
     * @author - Olivier Brouckaert
 | 
						|
     */
 | 
						|
    public function enable()
 | 
						|
    {
 | 
						|
        $this->active = 1;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * disables the exercise
 | 
						|
     *
 | 
						|
     * @author - Olivier Brouckaert
 | 
						|
     */
 | 
						|
    public function disable()
 | 
						|
    {
 | 
						|
        $this->active = 0;
 | 
						|
    }
 | 
						|
 | 
						|
    public function disable_results()
 | 
						|
    {
 | 
						|
        $this->results_disabled = true;
 | 
						|
    }
 | 
						|
 | 
						|
    public function enable_results()
 | 
						|
    {
 | 
						|
        $this->results_disabled = false;
 | 
						|
    }
 | 
						|
 | 
						|
    public function updateResultsDisabled($results_disabled)
 | 
						|
    {
 | 
						|
        $this->results_disabled = intval($results_disabled);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * updates the exercise in the data base
 | 
						|
     *
 | 
						|
     * @author - Olivier Brouckaert
 | 
						|
     */
 | 
						|
    public function save($type_e = '')
 | 
						|
    {
 | 
						|
        $_course = $this->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;
 | 
						|
        $feedback_type = $this->feedback_type;
 | 
						|
        $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);
 | 
						|
        $session_id = api_get_session_id();
 | 
						|
 | 
						|
        // If direct we do not show results
 | 
						|
        if ($feedback_type == 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($feedback_type)."',
 | 
						|
					start_time     = '$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($pass_percentage)."',
 | 
						|
                    end_button = '".$this->selectEndButton()."',
 | 
						|
                    email_notification_template = '".Database::escape_string($this->selectEmailNotificationTemplate())."',
 | 
						|
                    model_type = '".$this->getModelType()."',
 | 
						|
                    question_selection_type = '".$this->getQuestionSelectionType()."',
 | 
						|
                    hide_question_title = '".$this->getHideQuestionTitle()."',
 | 
						|
                    score_type_model = '".$this->getScoreTypeModel()."',
 | 
						|
					results_disabled='".Database::escape_string($results_disabled)."'";
 | 
						|
            }
 | 
						|
            $sql .= " WHERE iid = ".Database::escape_string($id)." AND c_id = {$this->course_id}";
 | 
						|
            Database::query($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 $TBL_EXERCICES (
 | 
						|
                        c_id, start_time, end_time, title, description, sound, type, random, random_answers, active,
 | 
						|
                        max_attempt, feedback_type, expired_time, session_id, review_answers, random_by_category,
 | 
						|
                        text_when_finished, display_category_name, pass_percentage, end_button, email_notification_template,
 | 
						|
                        results_disabled, model_type, question_selection_type, score_type_model, hide_question_title)
 | 
						|
					VALUES(
 | 
						|
						".$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($active)."',
 | 
						|
						'".Database::escape_string($attempts)."',
 | 
						|
						'".Database::escape_string($feedback_type)."',
 | 
						|
						'".Database::escape_string($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::escape_string($this->selectEndButton())."',
 | 
						|
                        '".Database::escape_string($this->selectEmailNotificationTemplate())."',
 | 
						|
                        '".Database::escape_string($results_disabled)."',
 | 
						|
                        '".Database::escape_string($this->getModelType())."',
 | 
						|
                        '".Database::escape_string($this->getQuestionSelectionType())."',
 | 
						|
                        '".Database::escape_string($this->getScoreTypeModel())."',
 | 
						|
                        '".Database::escape_string($this->getHideQuestionTitle())."'
 | 
						|
						)";
 | 
						|
            Database::query($sql);
 | 
						|
            $this->id = Database::insert_id();
 | 
						|
 | 
						|
            $this->addExerciseToOrderTable();
 | 
						|
 | 
						|
            // insert into the item_property table
 | 
						|
            api_item_property_update($this->course, TOOL_QUIZ, $this->id, 'QuizAdded', api_get_user_id());
 | 
						|
            api_set_default_visibility($this->course, $this->id, TOOL_QUIZ);
 | 
						|
 | 
						|
            if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian')) {
 | 
						|
                $this->search_engine_save();
 | 
						|
            }
 | 
						|
        }
 | 
						|
        $this->save_categories_in_exercise($this->categories);
 | 
						|
 | 
						|
        // Updates the question position.
 | 
						|
        $this->update_question_positions();
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Updates question position
 | 
						|
     */
 | 
						|
    public 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) && !empty($this->course_id) && !empty($this->id)) {
 | 
						|
            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 = ".$this->id;
 | 
						|
                Database::query($sql);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Adds a question into the question list
 | 
						|
     *
 | 
						|
     * @author Olivier Brouckaert
 | 
						|
     * @param integer $questionId - question ID
 | 
						|
     * @return boolean - true if the question has been added, otherwise false
 | 
						|
     */
 | 
						|
    public function addToList($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 $questionId - question ID
 | 
						|
     * @return boolean - true if the question has been removed, otherwise false
 | 
						|
     */
 | 
						|
    public function removeFromList($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() && $this->isRandomByCat() == EXERCISE_CATEGORY_RANDOM_DISABLED) {
 | 
						|
                if (count($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
 | 
						|
     */
 | 
						|
    public 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 iid='".Database::escape_string($this->id)."'";
 | 
						|
        Database::query($sql);
 | 
						|
        api_item_property_update($this->course, TOOL_QUIZ, $this->id, 'QuizDeleted', api_get_user_id());
 | 
						|
        $this->delete_exercise_order();
 | 
						|
 | 
						|
        if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian')) {
 | 
						|
            $this->search_engine_delete();
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Creates the form to create / edit an exercise
 | 
						|
     * @param FormValidator $form the formvalidator instance (by reference)
 | 
						|
     * @param string
 | 
						|
     */
 | 
						|
    public function createForm($form, $type = 'full')
 | 
						|
    {
 | 
						|
        if (empty($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')
 | 
						|
        );
 | 
						|
        $editor_config = array('ToolbarSet' => 'TestQuestionDescription', 'Width' => '100%', 'Height' => '150');
 | 
						|
        if (is_array($type)) {
 | 
						|
            $editor_config = array_merge($editor_config, $type);
 | 
						|
        }
 | 
						|
 | 
						|
        $form->add_html_editor('exerciseDescription', get_lang('ExerciseDescription'), false, false, $editor_config);
 | 
						|
 | 
						|
        $form->addElement(
 | 
						|
            'advanced_settings',
 | 
						|
            '<a href="javascript://" onclick=" return advanced_parameters()">
 | 
						|
                <span id="img_plus_and_minus">
 | 
						|
                <div style="vertical-align:top;" >
 | 
						|
                    '.Display::return_icon('div_show.gif').' '.addslashes(get_lang('AdvancedParameters')).'</div>
 | 
						|
                </span>
 | 
						|
            </a>'
 | 
						|
        );
 | 
						|
 | 
						|
        $form->addElement('html', '<div id="options" style="">');
 | 
						|
 | 
						|
        // Model type
 | 
						|
        $radio = array(
 | 
						|
            $form->createElement('radio', 'model_type', null, get_lang('Normal'), EXERCISE_MODEL_TYPE_NORMAL),
 | 
						|
            $form->createElement('radio', 'model_type', null, get_lang('Committee'), EXERCISE_MODEL_TYPE_COMMITTEE)
 | 
						|
        );
 | 
						|
 | 
						|
        $form->addGroup($radio, null, get_lang('ModelType'), '');
 | 
						|
        $modelType = $this->getModelType();
 | 
						|
 | 
						|
        $scoreTypeDisplay = 'display:none';
 | 
						|
        if ($modelType == EXERCISE_MODEL_TYPE_COMMITTEE) {
 | 
						|
            $scoreTypeDisplay = null;
 | 
						|
        }
 | 
						|
 | 
						|
        $form->addElement('html', '<div id="score_type" style="'.$scoreTypeDisplay.'">');
 | 
						|
 | 
						|
        // QuestionScoreType
 | 
						|
 | 
						|
        global $app;
 | 
						|
        $em = $app['orm.em'];
 | 
						|
        $types = $em->getRepository('Entity\QuestionScore')->findAll();
 | 
						|
        $options = array(
 | 
						|
            '0' => get_lang('SelectAnOption')
 | 
						|
        );
 | 
						|
 | 
						|
        foreach ($types as $questionType) {
 | 
						|
            $options[$questionType->getId()] = $questionType->getName();
 | 
						|
        }
 | 
						|
 | 
						|
        $form->addElement(
 | 
						|
            'select',
 | 
						|
            'score_type_model',
 | 
						|
            array(get_lang('QuestionScoreType')),
 | 
						|
            $options,
 | 
						|
            array('id' => 'score_type_model')
 | 
						|
        );
 | 
						|
 | 
						|
        $form->addElement('html', '</div>');
 | 
						|
 | 
						|
        if ($type == 'full') {
 | 
						|
            //Can't modify a DirectFeedback question
 | 
						|
            if ($this->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_DIRECT) {
 | 
						|
                // feedback type
 | 
						|
                $radios_feedback = array();
 | 
						|
                $radios_feedback[] = $form->createElement(
 | 
						|
                    'radio',
 | 
						|
                    'exerciseFeedbackType',
 | 
						|
                    null,
 | 
						|
                    get_lang('ExerciseAtTheEndOfTheTest'),
 | 
						|
                    '0',
 | 
						|
                    array('id' => 'exerciseType_0', 'onclick' => 'check_feedback()')
 | 
						|
                );
 | 
						|
 | 
						|
                if (api_get_setting('enable_quiz_scenario') == 'true') {
 | 
						|
                    /* Can't convert a question from one feedback to another if there
 | 
						|
                    is more than 1 question already added */
 | 
						|
                    if ($this->selectNbrQuestions() == 0) {
 | 
						|
                        $radios_feedback[] = $form->createElement(
 | 
						|
                            'radio',
 | 
						|
                            'exerciseFeedbackType',
 | 
						|
                            null,
 | 
						|
                            get_lang('DirectFeedback'),
 | 
						|
                            '1',
 | 
						|
                            array('id' => 'exerciseType_1', 'onclick' => 'check_direct_feedback()')
 | 
						|
                        );
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                $radios_feedback[] = $form->createElement(
 | 
						|
                    'radio',
 | 
						|
                    'exerciseFeedbackType',
 | 
						|
                    null,
 | 
						|
                    get_lang('NoFeedback'),
 | 
						|
                    '2',
 | 
						|
                    array('id' => 'exerciseType_2')
 | 
						|
                );
 | 
						|
                $form->addGroup($radios_feedback, null, get_lang('FeedbackType'), '');
 | 
						|
 | 
						|
                // question
 | 
						|
                $radios = array(
 | 
						|
                    $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'), ALL_ON_ONE_PAGE, array('onclick' => 'check_per_page_all()', 'id' => 'option_page_all')),
 | 
						|
                    $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'), ONE_PER_PAGE, array('onclick' => 'check_per_page_one()', 'id' => 'option_page_one')),
 | 
						|
                );
 | 
						|
 | 
						|
                $form->addGroup($radios, null, get_lang('QuestionsPerPage'), '');
 | 
						|
 | 
						|
                $radios_results_disabled = array();
 | 
						|
                $radios_results_disabled[] = $form->createElement(
 | 
						|
                    'radio',
 | 
						|
                    'results_disabled',
 | 
						|
                    null,
 | 
						|
                    get_lang('ShowScoreAndRightAnswer'),
 | 
						|
                    '0',
 | 
						|
                    array('id' => 'result_disabled_0')
 | 
						|
                );
 | 
						|
                $radios_results_disabled[] = $form->createElement(
 | 
						|
                    'radio',
 | 
						|
                    'results_disabled',
 | 
						|
                    null,
 | 
						|
                    get_lang('DoNotShowScoreNorRightAnswer'),
 | 
						|
                    '1',
 | 
						|
                    array('id' => 'result_disabled_1', 'onclick' => 'check_results_disabled()')
 | 
						|
                );
 | 
						|
                $radios_results_disabled[] = $form->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[] = $form->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[] = $form->createElement(
 | 
						|
                            'radio',
 | 
						|
                            'exerciseFeedbackType',
 | 
						|
                            null,
 | 
						|
                            get_lang('DirectFeedback'),
 | 
						|
                            '1',
 | 
						|
                            array('id' => 'exerciseType_1', 'onclick' => 'check_direct_feedback()')
 | 
						|
                        );
 | 
						|
                    }
 | 
						|
                    $radios_feedback[] = $form->createElement(
 | 
						|
                        'radio',
 | 
						|
                        'exerciseFeedbackType',
 | 
						|
                        null,
 | 
						|
                        get_lang('NoFeedback'),
 | 
						|
                        '2',
 | 
						|
                        array('id' => 'exerciseType_2')
 | 
						|
                    );
 | 
						|
                    $form->addGroup($radios_feedback, null, get_lang('FeedbackType'));
 | 
						|
 | 
						|
                    // Exercise type
 | 
						|
                    $radios = array(
 | 
						|
                        $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'), '1'),
 | 
						|
                        $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'), '2'),
 | 
						|
                        $form->createElement('radio', 'exerciseType', null, get_lang('Committee'), '3')
 | 
						|
                    );
 | 
						|
                    $form->addGroup($radios, null, get_lang('ExerciseType'));
 | 
						|
 | 
						|
                    $radios_results_disabled = array();
 | 
						|
                    $radios_results_disabled[] = $form->createElement(
 | 
						|
                        'radio',
 | 
						|
                        'results_disabled',
 | 
						|
                        null,
 | 
						|
                        get_lang('ShowScoreAndRightAnswer'),
 | 
						|
                        '0',
 | 
						|
                        array('id' => 'result_disabled_0')
 | 
						|
                    );
 | 
						|
                    $radios_results_disabled[] = $form->createElement(
 | 
						|
                        'radio',
 | 
						|
                        'results_disabled',
 | 
						|
                        null,
 | 
						|
                        get_lang('DoNotShowScoreNorRightAnswer'),
 | 
						|
                        '1',
 | 
						|
                        array('id' => 'result_disabled_1', 'onclick' => 'check_results_disabled()')
 | 
						|
                    );
 | 
						|
                    $radios_results_disabled[] = $form->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[] = $form->createElement(
 | 
						|
                        'radio',
 | 
						|
                        'results_disabled',
 | 
						|
                        null,
 | 
						|
                        get_lang('ShowScoreAndRightAnswer'),
 | 
						|
                        '0',
 | 
						|
                        array('id' => 'result_disabled_0')
 | 
						|
                    );
 | 
						|
                    $radios_results_disabled[] = $form->createElement(
 | 
						|
                        'radio',
 | 
						|
                        'results_disabled',
 | 
						|
                        null,
 | 
						|
                        get_lang('DoNotShowScoreNorRightAnswer'),
 | 
						|
                        '1',
 | 
						|
                        array('id' => 'result_disabled_1', 'onclick' => 'check_results_disabled()')
 | 
						|
                    );
 | 
						|
                    $radios_results_disabled[] = $form->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[] = $form->createElement(
 | 
						|
                        'radio',
 | 
						|
                        'exerciseType',
 | 
						|
                        null,
 | 
						|
                        get_lang('SimpleExercise'),
 | 
						|
                        '1',
 | 
						|
                        array('onclick' => 'check_per_page_all()', 'id' => 'option_page_all')
 | 
						|
                    );
 | 
						|
                    $radios[] = $form->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);
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            $option = array(
 | 
						|
                EX_Q_SELECTION_ORDERED => get_lang('OrderedByUser'), //  defined by user
 | 
						|
                EX_Q_SELECTION_RANDOM => get_lang('Random'), // 1-10, All
 | 
						|
                'per_categories' => '--------'.get_lang('UsingCategories').'----------',
 | 
						|
 | 
						|
                // Base (A 123 {3} B 456 {3} C 789{2} D 0{0}) --> Matrix {3, 3, 2, 0}
 | 
						|
                EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_ORDERED => get_lang('OrderedCategoriesAlphabeticallyWithQuestionsOrdered'), // A 123 B 456 C 78 (0, 1, all)
 | 
						|
                EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED => get_lang('RandomCategoriesWithQuestionsOrdered'), // C 78 B 456 A 123
 | 
						|
 | 
						|
                EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_RANDOM => get_lang('OrderedCategoriesAlphabeticallyWithRandomQuestions'), // A 321 B 654 C 87
 | 
						|
                EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM => get_lang('RandomCategoriesWithRandomQuestions'), //C 87 B 654 A 321
 | 
						|
 | 
						|
                //EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED => get_lang('RandomCategoriesWithQuestionsOrderedNoQuestionGrouped'),
 | 
						|
                /*    B 456 C 78 A 123
 | 
						|
                        456 78 123
 | 
						|
                        123 456 78
 | 
						|
                */
 | 
						|
                //EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED => get_lang('RandomCategoriesWithRandomQuestionsNoQuestionGrouped'),
 | 
						|
                /*
 | 
						|
                    A 123 B 456 C 78
 | 
						|
                    B 456 C 78 A 123
 | 
						|
                    B 654 C 87 A 321
 | 
						|
                    654 87 321
 | 
						|
                    165 842 73
 | 
						|
                */
 | 
						|
                EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_ORDERED => get_lang('OrderedCategoriesByParentWithQuestionsOrdered'),
 | 
						|
                EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_RANDOM => get_lang('OrderedCategoriesByParentWithQuestionsRandom'),
 | 
						|
            );
 | 
						|
 | 
						|
            $form->addElement(
 | 
						|
                'select',
 | 
						|
                'question_selection_type',
 | 
						|
                array(get_lang('QuestionSelection')),
 | 
						|
                $option,
 | 
						|
                array('id' => 'questionSelection', 'onclick' => 'checkQuestionSelection()')
 | 
						|
            );
 | 
						|
 | 
						|
            $displayMatrix = 'none';
 | 
						|
            $displayRandom = 'none';
 | 
						|
            $selectionType = $this->getQuestionSelectionType();
 | 
						|
            switch ($selectionType) {
 | 
						|
                case EX_Q_SELECTION_RANDOM:
 | 
						|
                    $displayRandom = 'block';
 | 
						|
                    break;
 | 
						|
                case $selectionType >= EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_ORDERED:
 | 
						|
                    $displayMatrix = 'block';
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
 | 
						|
            $form->addElement('html', '<div id="hidden_random" style="display:'.$displayRandom.'">');
 | 
						|
            // Number of random question.
 | 
						|
            $max = ($this->id > 0) ? $this->selectNbrQuestions() : 10;
 | 
						|
            $option = range(0, $max);
 | 
						|
            $option[0] = get_lang('No');
 | 
						|
            $option[-1] = get_lang('AllQuestionsShort');
 | 
						|
            $form->addElement(
 | 
						|
                'select',
 | 
						|
                'randomQuestions',
 | 
						|
                array(get_lang('RandomQuestions'), get_lang('RandomQuestionsHelp')),
 | 
						|
                $option,
 | 
						|
                array('id' => 'randomQuestions')
 | 
						|
            );
 | 
						|
            $form->addElement('html', '</div>');
 | 
						|
 | 
						|
            $form->addElement('html', '<div id="hidden_matrix" style="display:'.$displayMatrix.'">');
 | 
						|
 | 
						|
            // Category selection.
 | 
						|
            $cat = new Testcategory();
 | 
						|
            $cat_form = $cat->returnCategoryForm($this);
 | 
						|
            $form->addElement('label', null, $cat_form);
 | 
						|
            $form->addElement('html', '</div>');
 | 
						|
 | 
						|
            // Category name.
 | 
						|
            $radio_display_cat_name = array(
 | 
						|
                $form->createElement('radio', 'display_category_name', null, get_lang('Yes'), '1'),
 | 
						|
                $form->createElement('radio', 'display_category_name', null, get_lang('No'), '0')
 | 
						|
            );
 | 
						|
            $form->addGroup($radio_display_cat_name, null, get_lang('QuestionDisplayCategoryName'), '');
 | 
						|
 | 
						|
            // Random answers.
 | 
						|
            $radios_random_answers = array(
 | 
						|
                $form->createElement('radio', 'randomAnswers', null, get_lang('Yes'), '1'),
 | 
						|
                $form->createElement('radio', 'randomAnswers', null, get_lang('No'), '0')
 | 
						|
            );
 | 
						|
            $form->addGroup($radios_random_answers, null, get_lang('RandomAnswers'), '');
 | 
						|
 | 
						|
            // Hide question title.
 | 
						|
            $group = array(
 | 
						|
                $form->createElement('radio', 'hide_question_title', null, get_lang('Yes'), '1'),
 | 
						|
                $form->createElement('radio', 'hide_question_title', null, get_lang('No'), '0')
 | 
						|
            );
 | 
						|
            $form->addGroup($group, null, get_lang('HideQuestionTitle'), '');
 | 
						|
 | 
						|
            // Attempts.
 | 
						|
            $attempt_option = range(0, 10);
 | 
						|
            $attempt_option[0] = get_lang('Infinite');
 | 
						|
 | 
						|
            $form->addElement(
 | 
						|
                'select',
 | 
						|
                'exerciseAttempts',
 | 
						|
                get_lang('ExerciseAttempts'),
 | 
						|
                $attempt_option,
 | 
						|
                array('id' => 'exerciseAttempts')
 | 
						|
            );
 | 
						|
 | 
						|
            // Exercise time limit.
 | 
						|
            $form->addElement(
 | 
						|
                'checkbox',
 | 
						|
                'activate_start_date_check',
 | 
						|
                null,
 | 
						|
                get_lang('EnableStartTime'),
 | 
						|
                array('onclick' => 'activate_start_date()')
 | 
						|
            );
 | 
						|
 | 
						|
            // Start time.
 | 
						|
            if (($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>');
 | 
						|
 | 
						|
            // End time.
 | 
						|
            $form->addElement(
 | 
						|
                'checkbox',
 | 
						|
                'activate_end_date_check',
 | 
						|
                null,
 | 
						|
                get_lang('EnableEndTime'),
 | 
						|
                array('onclick' => 'activate_end_date()')
 | 
						|
            );
 | 
						|
 | 
						|
            if (($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>');
 | 
						|
 | 
						|
            // Propagate negative values.
 | 
						|
            $display = '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'));
 | 
						|
            $form->addElement('html', '<div id="divtimecontrol"  style="display:'.$display.';">');
 | 
						|
 | 
						|
            // Exercise timer.
 | 
						|
            $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.
 | 
						|
            $form->addElement(
 | 
						|
                'text',
 | 
						|
                'pass_percentage',
 | 
						|
                array(get_lang('PassPercentage'), null, '%'),
 | 
						|
                array('id' => 'pass_percentage')
 | 
						|
            );
 | 
						|
            $form->addRule('pass_percentage', get_lang('Numeric'), 'numeric');
 | 
						|
 | 
						|
            // Text when ending an exam
 | 
						|
            $form->add_html_editor('text_when_finished', get_lang('TextWhenFinished'), false, false, $editor_config);
 | 
						|
 | 
						|
            // Exam end button.
 | 
						|
            $group = array(
 | 
						|
                $form->createElement('radio', 'end_button', null, get_lang('ExerciseEndButtonCourseHome'), '0'),
 | 
						|
                $form->createElement('radio', 'end_button', null, get_lang('ExerciseEndButtonExerciseHome'), '1'),
 | 
						|
                $form->createElement('radio', 'end_button', null, get_lang('ExerciseEndButtonDisconnect'), '2')
 | 
						|
            );
 | 
						|
            $form->addGroup($group, null, get_lang('ExerciseEndButton'));
 | 
						|
            $form->addElement('html', '<div class="clear"> </div>');
 | 
						|
 | 
						|
            $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('select_language', 'language', get_lang('SearchFeatureDocumentLanguage'));
 | 
						|
 | 
						|
                $specific_fields = get_specific_field_list();
 | 
						|
 | 
						|
                foreach ($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(', ', $arr_str_values);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if ($this->emailAlert) {
 | 
						|
 | 
						|
                // Text when ending an exam
 | 
						|
                $form->add_html_editor(
 | 
						|
                    'email_notification_template',
 | 
						|
                    array(get_lang('EmailNotificationTemplate'), get_lang('EmailNotificationTemplateDescription')),
 | 
						|
                    null,
 | 
						|
                    false,
 | 
						|
                    $editor_config
 | 
						|
                );
 | 
						|
            }
 | 
						|
 | 
						|
            // End advanced setting.
 | 
						|
            $form->addElement('html', '</div>');
 | 
						|
            $form->addElement('html', '</div>');
 | 
						|
        }
 | 
						|
 | 
						|
        // Category selection.
 | 
						|
        $cat = new Testcategory();
 | 
						|
        $cat_form = $cat->returnCategoryForm($this);
 | 
						|
        $form->addElement('html', $cat_form);
 | 
						|
 | 
						|
        // submit
 | 
						|
        $text = isset($_GET['exerciseId']) ? get_lang('ModifyExercise') : 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');
 | 
						|
            $form->addRule('end_time', get_lang('InvalidDate'), 'date');
 | 
						|
        }
 | 
						|
 | 
						|
        // defaults
 | 
						|
        if ($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();
 | 
						|
                $defaults['end_button'] = $this->selectEndButton();
 | 
						|
                $defaults['email_notification_template'] = $this->selectEmailNotificationTemplate();
 | 
						|
                $defaults['model_type'] = $this->getModelType();
 | 
						|
                $defaults['question_selection_type'] = $this->getQuestionSelectionType();
 | 
						|
                $defaults['score_type_model'] = $this->getScoreTypeModel();
 | 
						|
 | 
						|
                $defaults['hide_question_title'] = $this->getHideQuestionTitle();
 | 
						|
 | 
						|
                if (($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') ? api_get_local_time(
 | 
						|
                    $this->start_time
 | 
						|
                ) : date('Y-m-d 12:00:00');
 | 
						|
                $defaults['end_time'] = ($this->end_time != '0000-00-00 00:00:00') ? api_get_local_time(
 | 
						|
                    $this->end_time
 | 
						|
                ) : date('Y-m-d 12:00:00', time() + 84600);
 | 
						|
 | 
						|
                //Get expired time
 | 
						|
                if ($this->expired_time != '0') {
 | 
						|
                    $defaults['enabletimercontrol'] = 1;
 | 
						|
                    $defaults['enabletimercontroltotalminutes'] = $this->expired_time;
 | 
						|
                } else {
 | 
						|
                    $defaults['enabletimercontroltotalminutes'] = 0;
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                $defaults['model_type'] = 1;
 | 
						|
                $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'] = '';
 | 
						|
                $defaults['end_button'] = $this->selectEndButton();
 | 
						|
                $defaults['question_selection_type'] = 1;
 | 
						|
                $defaults['hide_question_title'] = 0;
 | 
						|
            }
 | 
						|
        } 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'));
 | 
						|
        $this->updateCategories($form->getSubmitValue('category'));
 | 
						|
        $this->updateEndButton($form->getSubmitValue('end_button'));
 | 
						|
        $this->updateEmailNotificationTemplate($form->getSubmitValue('email_notification_template'));
 | 
						|
        $this->setModelType($form->getSubmitValue('model_type'));
 | 
						|
        $this->setQuestionSelectionType($form->getSubmitValue('question_selection_type'));
 | 
						|
        $this->setHideQuestionTitle($form->getSubmitValue('hide_question_title'));
 | 
						|
        $this->setScoreTypeModel($form->getSubmitValue('score_type_model'));
 | 
						|
 | 
						|
        if ($form->getSubmitValue('activate_start_date_check') == 1) {
 | 
						|
            $start_time = $form->getSubmitValue('start_time');
 | 
						|
            $start_time['F'] = sprintf('%02d', $start_time['F']);
 | 
						|
            $start_time['i'] = sprintf('%02d', $start_time['i']);
 | 
						|
            $start_time['d'] = sprintf('%02d', $start_time['d']);
 | 
						|
 | 
						|
            $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');
 | 
						|
            $end_time['F'] = sprintf('%02d', $end_time['F']);
 | 
						|
            $end_time['i'] = sprintf('%02d', $end_time['i']);
 | 
						|
            $end_time['d'] = sprintf('%02d', $end_time['d']);
 | 
						|
 | 
						|
            $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);
 | 
						|
    }
 | 
						|
 | 
						|
    public function search_engine_save()
 | 
						|
    {
 | 
						|
        if ($_POST['index_document'] != 1) {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
        $course_id = api_get_course_id();
 | 
						|
 | 
						|
        require_once api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.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);
 | 
						|
 | 
						|
        $di = new ChamiloIndexer();
 | 
						|
        isset($_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/ChamiloIndexer.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);
 | 
						|
 | 
						|
                $di = new ChamiloIndexer();
 | 
						|
                isset($_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();
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    public 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/ChamiloIndexer.class.php');
 | 
						|
                $di = new ChamiloIndexer();
 | 
						|
                $di->remove_document((int)$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);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    public 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
 | 
						|
     */
 | 
						|
    public function clean_results()
 | 
						|
    {
 | 
						|
        $table_track_e_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
 | 
						|
        $table_track_e_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
 | 
						|
 | 
						|
        $sql = "SELECT exe_id FROM $table_track_e_exercises
 | 
						|
					   WHERE 	c_id = '".api_get_course_int_id()."' AND
 | 
						|
								exe_exo_id = ".$this->id." AND
 | 
						|
								orig_lp_id = 0 AND
 | 
						|
								orig_lp_item_id = 0 AND
 | 
						|
								session_id = ".api_get_session_id()."";
 | 
						|
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $exe_list = Database::store_result($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 $table_track_e_exercises
 | 
						|
				WHERE c_id = '".api_get_course_int_id()."' AND
 | 
						|
				        exe_exo_id = ".$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;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the latest exercise order
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public function getLastExerciseOrder()
 | 
						|
    {
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_ORDER);
 | 
						|
        $course_id = intval($this->course_id);
 | 
						|
        $sql = "SELECT exercise_order FROM $table WHERE c_id = $course_id ORDER BY exercise_order DESC LIMIT 1";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        if (Database::num_rows($result)) {
 | 
						|
            $row = Database::fetch_array($result);
 | 
						|
 | 
						|
            return $row['exercise_order'];
 | 
						|
        }
 | 
						|
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get exercise order
 | 
						|
     * @return mixed
 | 
						|
     */
 | 
						|
    public function getExerciseOrder()
 | 
						|
    {
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_ORDER);
 | 
						|
        $courseId = $this->course_id;
 | 
						|
        $sessionId = api_get_session_id();
 | 
						|
 | 
						|
        $sql = "SELECT exercise_order FROM $table
 | 
						|
                WHERE exercise_id = {$this->id} AND c_id = $courseId AND session_id  = $sessionId ";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        if (Database::num_rows($result)) {
 | 
						|
            $row = Database::fetch_array($result);
 | 
						|
            return $row['exercise_order'];
 | 
						|
        }
 | 
						|
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Add the exercise to the exercise order table
 | 
						|
     */
 | 
						|
    public function addExerciseToOrderTable()
 | 
						|
    {
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_ORDER);
 | 
						|
        $last_order = $this->getLastExerciseOrder();
 | 
						|
        $course_id = $this->course_id;
 | 
						|
 | 
						|
        if ($last_order == 0) {
 | 
						|
            Database::insert(
 | 
						|
                $table,
 | 
						|
                array(
 | 
						|
                    'exercise_id' => $this->id,
 | 
						|
                    'exercise_order' => 1,
 | 
						|
                    'c_id' => $course_id,
 | 
						|
                    'session_id' => api_get_session_id(),
 | 
						|
                )
 | 
						|
            );
 | 
						|
        } else {
 | 
						|
            $current_exercise_order = $this->getExerciseOrder();
 | 
						|
            if ($current_exercise_order == false) {
 | 
						|
                Database::insert(
 | 
						|
                    $table,
 | 
						|
                    array(
 | 
						|
                        'exercise_id' => $this->id,
 | 
						|
                        'exercise_order' => $last_order + 1,
 | 
						|
                        'c_id' => $course_id,
 | 
						|
                        'session_id' => api_get_session_id(),
 | 
						|
                    )
 | 
						|
                );
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    public function update_exercise_list_order($new_exercise_list, $course_id, $session_id)
 | 
						|
    {
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_ORDER);
 | 
						|
        $counter = 1;
 | 
						|
        // Drop all
 | 
						|
        $session_id = intval($session_id);
 | 
						|
        $course_id = intval($course_id);
 | 
						|
 | 
						|
        Database::query("DELETE FROM $table WHERE session_id = $session_id AND c_id = $course_id");
 | 
						|
        //Insert all
 | 
						|
        foreach ($new_exercise_list as $new_order_id) {
 | 
						|
            Database::insert(
 | 
						|
                $table,
 | 
						|
                array(
 | 
						|
                    'exercise_order' => $counter,
 | 
						|
                    'session_id' => $session_id,
 | 
						|
                    'exercise_id' => intval($new_order_id),
 | 
						|
                    'c_id' => $course_id
 | 
						|
                )
 | 
						|
            );
 | 
						|
            $counter++;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function delete_exercise_order()
 | 
						|
    {
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_ORDER);
 | 
						|
        $session_id = api_get_session_id();
 | 
						|
        $course_id = $this->course_id;
 | 
						|
        Database::query(
 | 
						|
            "DELETE FROM $table WHERE exercise_id = {$this->id} AND session_id = $session_id AND c_id = $course_id"
 | 
						|
        );
 | 
						|
    }
 | 
						|
 | 
						|
    function save_exercise_list_order($course_id, $session_id)
 | 
						|
    {
 | 
						|
        $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
 | 
						|
        $ordered_list = $this->get_exercise_list_ordered();
 | 
						|
        $ordered_count = count($ordered_list);
 | 
						|
 | 
						|
        $session_id = intval($session_id);
 | 
						|
        $course_id = intval($course_id);
 | 
						|
 | 
						|
        //Check if order exists and matchs the current status
 | 
						|
        $sql = "SELECT iid FROM $TBL_EXERCICES WHERE c_id = $course_id AND active = '1' AND session_id = $session_id ORDER BY title";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $unordered_count = Database::num_rows($result);
 | 
						|
 | 
						|
        if ($unordered_count != $ordered_count) {
 | 
						|
            $exercise_list = array();
 | 
						|
            while ($row = Database::fetch_array($result)) {
 | 
						|
                $exercise_list[] = $row['iid'];
 | 
						|
            }
 | 
						|
            $this->update_exercise_list_order($exercise_list, $course_id, $session_id);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Copies an exercise (duplicate all questions and answers)
 | 
						|
     */
 | 
						|
    public function copy_exercise()
 | 
						|
    {
 | 
						|
        $original_exercise = $this;
 | 
						|
 | 
						|
        $exercise_obj = new Exercise();
 | 
						|
        $exercise_obj->setCategoriesGrouping(false);
 | 
						|
        $exercise_obj->read($this->id);
 | 
						|
 | 
						|
        // 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();
 | 
						|
 | 
						|
        $exercise_obj->save_exercise_list_order($this->course['real_id'], api_get_session_id());
 | 
						|
 | 
						|
        $new_exercise_id = $exercise_obj->selectId();
 | 
						|
        if ($new_exercise_id) {
 | 
						|
 | 
						|
            $original_exercise->copy_exercise_categories($exercise_obj);
 | 
						|
 | 
						|
            $question_list = $exercise_obj->getQuestionListWithMediasUncompressed();
 | 
						|
 | 
						|
            if (!empty($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);
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *
 | 
						|
     */
 | 
						|
    public function set_autolaunch()
 | 
						|
    {
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_TEST);
 | 
						|
        $session_id = api_get_session_id();
 | 
						|
 | 
						|
        $course_id = $this->course_id;
 | 
						|
        $sql = "UPDATE $table SET autolaunch = 0 WHERE c_id = $course_id AND session_id = $session_id ";
 | 
						|
        Database::query($sql);
 | 
						|
 | 
						|
        $sql = "UPDATE $table SET autolaunch = 1 WHERE iid = {$this->id} ";
 | 
						|
        Database::query($sql);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Copy exercise categories to a new exercise
 | 
						|
     * @params obj exercise object
 | 
						|
     */
 | 
						|
    function copy_exercise_categories($new_exercise_obj)
 | 
						|
    {
 | 
						|
        $categories = $this->get_categories_in_exercise();
 | 
						|
        if ($categories) {
 | 
						|
            $cat_list = array();
 | 
						|
            foreach($categories as $cat) {
 | 
						|
                $cat_list[$cat['category_id']] = $cat['count_questions'];
 | 
						|
            }
 | 
						|
            $new_exercise_obj->save_categories_in_exercise($cat_list);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * 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;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $lp_id
 | 
						|
     * @param int $lp_item_id
 | 
						|
     * @param int $lp_item_view_id
 | 
						|
     * @param string $status
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public function getStatTrackExerciseInfo(
 | 
						|
        $lp_id = 0,
 | 
						|
        $lp_item_id = 0,
 | 
						|
        $lp_item_view_id = 0,
 | 
						|
        $status = 'incomplete'
 | 
						|
    ) {
 | 
						|
        $track_exercises = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
 | 
						|
        if (empty($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
 | 
						|
					   c_id 		        = '."'".api_get_course_int_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_main_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 = "";
 | 
						|
        }
 | 
						|
        $questionList = array_map('intval', $questionList);
 | 
						|
        $weight = Database::escape_string($weight);
 | 
						|
        $sql = "INSERT INTO $track_exercises ($sql_fields exe_exo_id, exe_user_id, c_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_int_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;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $question_id
 | 
						|
     * @param int $questionNum
 | 
						|
     * @param array $questions_in_media
 | 
						|
     * @param array $remindList
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function show_button($question_id, $questionNum, $questions_in_media = array(), $remindList = array())
 | 
						|
    {
 | 
						|
        global $origin, $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id;
 | 
						|
        $nbrQuestions = $this->getCountCompressedQuestionList();
 | 
						|
 | 
						|
        $all_button = $html = $label = '';
 | 
						|
        $hotspot_get = isset($_POST['hotspot']) ? Security::remove_XSS($_POST['hotspot']) : null;
 | 
						|
 | 
						|
        if ($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='.$nbrQuestions.'&num='.$questionNum.'&exerciseType='.$this->type.'&exerciseId='.$this->id.'&placeValuesBeforeTB_=savedValues&TB_iframe=true&height=480&width=640&modal=true" title="" class="thickbox btn">';
 | 
						|
            if ($questionNum == count($this->questionList)) {
 | 
						|
                $html .= get_lang('EndTest').'</a>';
 | 
						|
            } else {
 | 
						|
                $html .= get_lang('ContinueTest').'</a>';
 | 
						|
            }
 | 
						|
            $html .= '<br />';
 | 
						|
        } else {
 | 
						|
            // User
 | 
						|
            $showEndWarning = 0;
 | 
						|
            if (api_is_allowed_to_session_edit()) {
 | 
						|
                if ($this->type == ALL_ON_ONE_PAGE || $nbrQuestions == $questionNum) {
 | 
						|
                    if ($this->review_answers) {
 | 
						|
                        //$label = get_lang('ReviewQuestions');
 | 
						|
                        //$class = 'btn btn-success';
 | 
						|
                        $label = get_lang('EndTest');
 | 
						|
                        $class = 'btn btn-warning';
 | 
						|
                    } else {
 | 
						|
                        $label = get_lang('EndTest');
 | 
						|
                        $class = 'btn btn-warning';
 | 
						|
                    }
 | 
						|
                    $showEndWarning = 1;
 | 
						|
                } else {
 | 
						|
                    $label = get_lang('NextQuestion');
 | 
						|
                    $class = 'btn btn-primary';
 | 
						|
                }
 | 
						|
 | 
						|
                if ($this->type == ONE_PER_PAGE) {
 | 
						|
                    if ($questionNum != 1) {
 | 
						|
                        $prev_question = $questionNum - 2;
 | 
						|
                        $all_button .= '<a href="javascript://" class="btn" onclick="previous_question_and_save('.$prev_question.', '.$question_id.' ); ">'.get_lang('PreviousQuestion').'</a>';
 | 
						|
                    }
 | 
						|
 | 
						|
                    //Next question
 | 
						|
                    if (isset($questions_in_media) && !empty($questions_in_media) && is_array($questions_in_media)) {
 | 
						|
                        $questions_in_media = "['".implode("','", $questions_in_media)."']";
 | 
						|
                        $all_button .= ' <a href="javascript://" class="'.$class.'" onclick="save_question_list('.$questions_in_media.', '.$showEndWarning.'); ">'.$label.'</a>';
 | 
						|
                    } else {
 | 
						|
                        $all_button .= ' <a href="javascript://" class="'.$class.'" onclick="save_now('.$question_id.', null, true, '.$showEndWarning.'); ">'.$label.'</a>';
 | 
						|
                    }
 | 
						|
                    $all_button .= '<span id="save_for_now_'.$question_id.'" class="exercise_save_mini_message"></span> ';
 | 
						|
                    $html .= $all_button;
 | 
						|
                } else {
 | 
						|
                    if ($this->review_answers) {
 | 
						|
                        $all_label = get_lang('ReviewQuestions');
 | 
						|
                        $class = 'btn btn-success';
 | 
						|
                    } else {
 | 
						|
                        $all_label = get_lang('EndTest');
 | 
						|
                        $class = 'btn btn-warning';
 | 
						|
                    }
 | 
						|
                    $all_button = ' <a href="javascript://" class="'.$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>
 | 
						|
 | 
						|
            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 open_clock_warning() {
 | 
						|
                $('#clock_warning').dialog({
 | 
						|
                    modal:true,
 | 
						|
                    height:250,
 | 
						|
                    closeOnEscape: false,
 | 
						|
                    resizable: false,
 | 
						|
                    buttons: {
 | 
						|
                        '".addslashes(get_lang("EndTest"))."': function() {
 | 
						|
                            $('#clock_warning').dialog('close');
 | 
						|
                        },
 | 
						|
                    },
 | 
						|
                    close: function() {
 | 
						|
                        send_form();
 | 
						|
                    }
 | 
						|
                });
 | 
						|
 | 
						|
                $('#clock_warning').dialog('open');
 | 
						|
 | 
						|
                $('#counter_to_redirect').epiclock({
 | 
						|
                    mode: $.epiclock.modes.countdown,
 | 
						|
                    offset: { seconds: 5 },
 | 
						|
                    format: 's'
 | 
						|
                }).bind('timer', function () {
 | 
						|
                    send_form();
 | 
						|
                });
 | 
						|
 | 
						|
            }
 | 
						|
 | 
						|
            function send_form() {
 | 
						|
                if ($('#exercise_form').length) {
 | 
						|
                    $('#exercise_form').submit();
 | 
						|
                } else {
 | 
						|
                    // In reminder.
 | 
						|
                    final_submit();
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            function onExpiredTimeExercise() {
 | 
						|
                $('#wrapper-clock').hide();
 | 
						|
                $('#exercise_form').hide();
 | 
						|
                $('#expired-message-id').show();
 | 
						|
 | 
						|
                // Fixes bug #5263.
 | 
						|
                $('#num_current_id').attr('value', '".$this->selectNbrQuestions()."');
 | 
						|
                open_clock_warning();
 | 
						|
            }
 | 
						|
 | 
						|
			$(document).ready(function() {
 | 
						|
 | 
						|
				var current_time = new Date().getTime();
 | 
						|
				// Time in seconds. When using minutes there are some seconds lost.
 | 
						|
                var time_left    = parseInt(".$time_left.");
 | 
						|
				var expired_time = current_time + (time_left*1000);
 | 
						|
				var expired_date = get_expired_date_string(expired_time);
 | 
						|
 | 
						|
                $('#exercise_clock_warning').epiclock({
 | 
						|
                    mode: $.epiclock.modes.countdown,
 | 
						|
                    offset: {seconds: time_left},
 | 
						|
                    format: 'x:i:s',
 | 
						|
                    renderer: 'minute'
 | 
						|
                }).bind('timer', function () {
 | 
						|
                    onExpiredTimeExercise();
 | 
						|
                });
 | 
						|
 | 
						|
	       		$('#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>";
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * This function was originally found in the exercise_show.php
 | 
						|
     * @param   int     exe id
 | 
						|
     * @param   int     question id
 | 
						|
     * @param   int     the choice the user selected
 | 
						|
     * @param   array   the hotspot coordinates $hotspot[$question_id] = coordinates
 | 
						|
     * @param   string  function is called from 'exercise_show' or 'exercise_result'
 | 
						|
     * @param   bool    save results in the DB or just show the reponse
 | 
						|
     * @param   bool    gets information from DB or from the current selection
 | 
						|
     * @param   bool    show results or not
 | 
						|
     * @todo    reduce parameters of this function
 | 
						|
     * @return  string  html code
 | 
						|
     */
 | 
						|
    public function manageAnswers(
 | 
						|
        $exeId,
 | 
						|
        $questionId,
 | 
						|
        $choice,
 | 
						|
        $from = 'exercise_show',
 | 
						|
        $exerciseResultCoordinates = array(),
 | 
						|
        $saved_results = true,
 | 
						|
        $from_database = false,
 | 
						|
        $show_result = true,
 | 
						|
        $hotspot_delineation_result = array(),
 | 
						|
        $updateResults = false
 | 
						|
    ) {
 | 
						|
        global $debug;
 | 
						|
        global $learnpath_id, $learnpath_item_id; //needed in order to use in the exercise_attempt() for the time
 | 
						|
        require_once api_get_path(LIBRARY_PATH).'geometry.lib.php';
 | 
						|
 | 
						|
        $feedback_type = $this->feedback_type;
 | 
						|
 | 
						|
        $propagate_neg = $this->selectPropagateNeg();
 | 
						|
 | 
						|
        if ($debug) {
 | 
						|
            error_log("<------ manage_answer ------> ");
 | 
						|
            error_log('exe_id: '.$exeId);
 | 
						|
            error_log('$from:  '.$from);
 | 
						|
            error_log('$saved_results: '.intval($saved_results));
 | 
						|
            error_log('$from_database: '.intval($from_database));
 | 
						|
            error_log('$show_result: '.$show_result);
 | 
						|
            error_log('$propagate_neg: '.$propagate_neg);
 | 
						|
            error_log('$exerciseResultCoordinates: '.print_r($exerciseResultCoordinates, 1));
 | 
						|
            error_log('$hotspot_delineation_result: '.print_r($hotspot_delineation_result, 1));
 | 
						|
            error_log('$learnpath_id: '.$learnpath_id);
 | 
						|
            error_log('$learnpath_item_id: '.$learnpath_item_id);
 | 
						|
            error_log('$choice: '.print_r($choice, 1));
 | 
						|
        }
 | 
						|
 | 
						|
        $extra_data = array();
 | 
						|
        $final_overlap = 0;
 | 
						|
        $final_missing = 0;
 | 
						|
        $final_excess = 0;
 | 
						|
        $overlap_color = 0;
 | 
						|
        $missing_color = 0;
 | 
						|
        $excess_color = 0;
 | 
						|
        $threadhold1 = 0;
 | 
						|
        $threadhold2 = 0;
 | 
						|
        $threadhold3 = 0;
 | 
						|
 | 
						|
        $arrques = null;
 | 
						|
        $arrans = null;
 | 
						|
 | 
						|
        $questionId = intval($questionId);
 | 
						|
        $exeId = intval($exeId);
 | 
						|
        $TBL_TRACK_ATTEMPT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
 | 
						|
        $table_ans = Database::get_course_table(TABLE_QUIZ_ANSWER);
 | 
						|
 | 
						|
        // Creates a temporary Question object
 | 
						|
        $course_id = api_get_course_int_id();
 | 
						|
        $objQuestionTmp = Question::read($questionId, $course_id);
 | 
						|
        if ($objQuestionTmp === false) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        $questionName = $objQuestionTmp->selectTitle();
 | 
						|
        $questionWeighting = $objQuestionTmp->selectWeighting();
 | 
						|
        $answerType = $objQuestionTmp->selectType();
 | 
						|
        $quesId = $objQuestionTmp->selectId();
 | 
						|
        $extra = $objQuestionTmp->extra;
 | 
						|
 | 
						|
        $next = 1; //not for now
 | 
						|
        //Extra information of the question
 | 
						|
        if (!empty($extra)) {
 | 
						|
            $extra = explode(':', $extra);
 | 
						|
            if ($debug) {
 | 
						|
                error_log(print_r($extra, 1));
 | 
						|
            }
 | 
						|
            //Fixes problems with negatives values using intval
 | 
						|
            $true_score = intval($extra[0]);
 | 
						|
            $false_score = intval($extra[1]);
 | 
						|
            $doubt_score = intval($extra[2]);
 | 
						|
        }
 | 
						|
 | 
						|
        $totalWeighting = 0;
 | 
						|
        $totalScore = 0;
 | 
						|
 | 
						|
        // Destruction of the Question object
 | 
						|
        unset($objQuestionTmp);
 | 
						|
 | 
						|
        // Construction of the Answer object
 | 
						|
        $objAnswerTmp = new Answer($questionId, null, $this);
 | 
						|
        $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
 | 
						|
 | 
						|
        if ($debug) {
 | 
						|
            error_log('Count of answers: '.$nbrAnswers);
 | 
						|
            error_log('$answerType: '.$answerType);
 | 
						|
        }
 | 
						|
 | 
						|
        if ($answerType == FREE_ANSWER || $answerType == ORAL_EXPRESSION) {
 | 
						|
            $nbrAnswers = 1;
 | 
						|
        }
 | 
						|
 | 
						|
        $nano = null;
 | 
						|
 | 
						|
        if ($answerType == ORAL_EXPRESSION) {
 | 
						|
            $exe_info = get_exercise_results_by_attempt($exeId);
 | 
						|
            $exe_info = $exe_info[$exeId];
 | 
						|
 | 
						|
            $params = array();
 | 
						|
            $params['course_id'] = api_get_course_int_id();
 | 
						|
            $params['session_id'] = api_get_session_id();
 | 
						|
            $params['user_id'] = isset($exe_info['exe_user_id']) ? $exe_info['exe_user_id'] : api_get_user_id();
 | 
						|
            $params['exercise_id'] = isset($exe_info['exe_exo_id']) ? $exe_info['exe_exo_id'] : $this->id;
 | 
						|
            $params['question_id'] = $questionId;
 | 
						|
            $params['exe_id'] = isset($exe_info['exe_id']) ? $exe_info['exe_id'] : $exeId;
 | 
						|
 | 
						|
            $nano = new Nanogong($params);
 | 
						|
 | 
						|
            //probably this attempt came in an exercise all question by page
 | 
						|
            if ($feedback_type == 0) {
 | 
						|
                $nano->replace_with_real_exe($exeId);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $user_answer = '';
 | 
						|
 | 
						|
        // Get answer list for matching
 | 
						|
        $sql_answer = 'SELECT iid, answer FROM '.$table_ans.' WHERE question_id = "'.$questionId.'" ';
 | 
						|
        $res_answer = Database::query($sql_answer);
 | 
						|
 | 
						|
        $answer_matching = array();
 | 
						|
        $answer_list = array();
 | 
						|
        while ($real_answer = Database::fetch_array($res_answer)) {
 | 
						|
            $answer_matching[$real_answer['iid']] = $real_answer['answer'];
 | 
						|
            $answer_list[] = $real_answer['iid'];
 | 
						|
        }
 | 
						|
 | 
						|
        if ($answerType == FREE_ANSWER || $answerType == ORAL_EXPRESSION) {
 | 
						|
            $nbrAnswers = 1;
 | 
						|
            $answer_list[] = 1;
 | 
						|
        }
 | 
						|
 | 
						|
        $real_answers = array();
 | 
						|
        $quiz_question_options = Question::readQuestionOption($questionId, $course_id);
 | 
						|
 | 
						|
        $organs_at_risk_hit = 0;
 | 
						|
        $questionScore = 0;
 | 
						|
 | 
						|
        if ($debug) {
 | 
						|
            error_log('<<-- Start answer loop -->');
 | 
						|
        }
 | 
						|
 | 
						|
        $answer_correct_array = array();
 | 
						|
 | 
						|
        //for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
 | 
						|
        $counter = 1;
 | 
						|
 | 
						|
        foreach ($answer_list as $answerId) {
 | 
						|
            /** @var \Answer $objAnswerTmp */
 | 
						|
            $answer = $objAnswerTmp->selectAnswer($answerId);
 | 
						|
            $answerComment = $objAnswerTmp->selectComment($answerId);
 | 
						|
            $answerCorrect = $objAnswerTmp->isCorrect($answerId);
 | 
						|
 | 
						|
            $answerWeighting = (float)$objAnswerTmp->selectWeighting($answerId);
 | 
						|
 | 
						|
            //$numAnswer = $objAnswerTmp->selectAutoId($answerId);
 | 
						|
            $numAnswer = $answerId;
 | 
						|
 | 
						|
            $answer_correct_array[$answerId] = (bool)$answerCorrect;
 | 
						|
 | 
						|
            if ($debug) {
 | 
						|
                error_log("answer auto id: $numAnswer ");
 | 
						|
                error_log("answer correct: $answerCorrect ");
 | 
						|
            }
 | 
						|
 | 
						|
            //Delineation
 | 
						|
            $delineation_cord = $objAnswerTmp->selectHotspotCoordinates(1);
 | 
						|
            $answer_delineation_destination = $objAnswerTmp->selectDestination(1);
 | 
						|
 | 
						|
            switch ($answerType) {
 | 
						|
                // for unique answer
 | 
						|
                case UNIQUE_ANSWER:
 | 
						|
                case UNIQUE_ANSWER_IMAGE:
 | 
						|
                case UNIQUE_ANSWER_NO_OPTION:
 | 
						|
                    if ($from_database) {
 | 
						|
                        $queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
 | 
						|
                        $resultans = Database::query($queryans);
 | 
						|
                        $choice = Database::result($resultans, 0, "answer");
 | 
						|
 | 
						|
                        $studentChoice = ($choice == $numAnswer) ? 1 : 0;
 | 
						|
                        if ($studentChoice) {
 | 
						|
                            $questionScore += $answerWeighting;
 | 
						|
                            $totalScore += $answerWeighting;
 | 
						|
                        }
 | 
						|
                    } else {
 | 
						|
                        $studentChoice = ($choice == $numAnswer) ? 1 : 0;
 | 
						|
                        if ($studentChoice) {
 | 
						|
                            $questionScore += $answerWeighting;
 | 
						|
                            $totalScore += $answerWeighting;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                    // for multiple answers
 | 
						|
                case MULTIPLE_ANSWER_TRUE_FALSE:
 | 
						|
                    if ($from_database) {
 | 
						|
                        $choice = array();
 | 
						|
                        $queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = ".$exeId." AND question_id = ".$questionId;
 | 
						|
                        $resultans = Database::query($queryans);
 | 
						|
                        while ($row = Database::fetch_array($resultans)) {
 | 
						|
                            $ind = $row['answer'];
 | 
						|
                            $result = explode(':', $ind);
 | 
						|
                            $my_answer_id = $result[0];
 | 
						|
                            $option = $result[1];
 | 
						|
                            $choice[$my_answer_id] = $option;
 | 
						|
                        }
 | 
						|
                        $studentChoice = $choice[$numAnswer];
 | 
						|
                    } else {
 | 
						|
                        $studentChoice = $choice[$numAnswer];
 | 
						|
                    }
 | 
						|
 | 
						|
                    if (!empty($studentChoice)) {
 | 
						|
                        if ($studentChoice == $answerCorrect) {
 | 
						|
                            $questionScore += $true_score;
 | 
						|
                        } else {
 | 
						|
                            if ($quiz_question_options[$studentChoice]['name'] != "Don't know") {
 | 
						|
                                $questionScore += $false_score;
 | 
						|
                            } else {
 | 
						|
                                $questionScore += $doubt_score;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    } else {
 | 
						|
                        //if no result then the user just hit don't know
 | 
						|
                        $studentChoice = 3;
 | 
						|
                        $questionScore += $doubt_score;
 | 
						|
                    }
 | 
						|
                    $totalScore = $questionScore;
 | 
						|
                    break;
 | 
						|
                case MULTIPLE_ANSWER: //2
 | 
						|
                    if ($from_database) {
 | 
						|
                        $choice = array();
 | 
						|
                        $queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
 | 
						|
                        $resultans = Database::query($queryans);
 | 
						|
                        while ($row = Database::fetch_array($resultans)) {
 | 
						|
                            $ind = $row['answer'];
 | 
						|
                            $choice[$ind] = 1;
 | 
						|
                        }
 | 
						|
 | 
						|
                        $studentChoice = isset($choice[$numAnswer]) ? $choice[$numAnswer] : null;
 | 
						|
                        $real_answers[$answerId] = (bool)$studentChoice;
 | 
						|
 | 
						|
                        if ($studentChoice) {
 | 
						|
                            $questionScore += $answerWeighting;
 | 
						|
                        }
 | 
						|
                    } else {
 | 
						|
                        $studentChoice = isset($choice[$numAnswer]) ? $choice[$numAnswer] : null;
 | 
						|
                        $real_answers[$answerId] = (bool)$studentChoice;
 | 
						|
 | 
						|
                        if (isset($studentChoice)) {
 | 
						|
                            $questionScore += $answerWeighting;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    $totalScore += $answerWeighting;
 | 
						|
 | 
						|
                    if ($debug) {
 | 
						|
                        error_log("studentChoice: $studentChoice");
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case GLOBAL_MULTIPLE_ANSWER :
 | 
						|
                    if ($from_database) {
 | 
						|
                        $choice = array();
 | 
						|
                        $queryans = "SELECT answer FROM $TBL_TRACK_ATTEMPT WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
 | 
						|
                        $resultans = Database::query($queryans);
 | 
						|
                        while ($row = Database::fetch_array($resultans)) {
 | 
						|
                            $ind = $row['answer'];
 | 
						|
                            $choice[$ind] = 1;
 | 
						|
                        }
 | 
						|
                        $studentChoice = $choice[$numAnswer];
 | 
						|
                        $real_answers[$answerId] = (bool)$studentChoice;
 | 
						|
                        if ($studentChoice) {
 | 
						|
                            $questionScore += $answerWeighting;
 | 
						|
                        }
 | 
						|
                    } else {
 | 
						|
                        $studentChoice = $choice[$numAnswer];
 | 
						|
                        if (isset($studentChoice)) {
 | 
						|
                            $questionScore += $answerWeighting;
 | 
						|
                        }
 | 
						|
                        $real_answers[$answerId] = (bool)$studentChoice;
 | 
						|
                    }
 | 
						|
                    $totalScore += $answerWeighting;
 | 
						|
                    if ($debug) {
 | 
						|
                        error_log("studentChoice: $studentChoice");
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
 | 
						|
                    if ($from_database) {
 | 
						|
                        $queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." where exe_id = ".$exeId." AND question_id= ".$questionId;
 | 
						|
                        $resultans = Database::query($queryans);
 | 
						|
                        while ($row = Database::fetch_array($resultans)) {
 | 
						|
                            $ind = $row['answer'];
 | 
						|
                            $result = explode(':', $ind);
 | 
						|
                            $my_answer_id = $result[0];
 | 
						|
                            $option = $result[1];
 | 
						|
                            $choice[$my_answer_id] = $option;
 | 
						|
                        }
 | 
						|
                        //$numAnswer = $objAnswerTmp->selectAutoId($answerId);
 | 
						|
                        $numAnswer = $answerId;
 | 
						|
                        $studentChoice = $choice[$numAnswer];
 | 
						|
 | 
						|
                        if ($answerCorrect == $studentChoice) {
 | 
						|
                            //$answerCorrect = 1;
 | 
						|
                            $real_answers[$answerId] = true;
 | 
						|
                        } else {
 | 
						|
                            //$answerCorrect = 0;
 | 
						|
                            $real_answers[$answerId] = false;
 | 
						|
                        }
 | 
						|
                    } else {
 | 
						|
                        $studentChoice = $choice[$numAnswer];
 | 
						|
                        if ($answerCorrect == $studentChoice) {
 | 
						|
                            //$answerCorrect = 1;
 | 
						|
                            $real_answers[$answerId] = true;
 | 
						|
                        } else {
 | 
						|
                            //$answerCorrect = 0;
 | 
						|
                            $real_answers[$answerId] = false;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                case MULTIPLE_ANSWER_COMBINATION:
 | 
						|
                    if ($from_database) {
 | 
						|
                        $queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." where exe_id = '".$exeId."' and question_id= '".$questionId."'";
 | 
						|
                        $resultans = Database::query($queryans);
 | 
						|
                        while ($row = Database::fetch_array($resultans)) {
 | 
						|
                            $choice[$row['answer']] = 1;
 | 
						|
                        }
 | 
						|
                        $studentChoice = $choice[$answerId];
 | 
						|
                        if ($answerCorrect == 1) {
 | 
						|
                            if ($studentChoice) {
 | 
						|
                                $real_answers[$answerId] = true;
 | 
						|
                            } else {
 | 
						|
                                $real_answers[$answerId] = false;
 | 
						|
                            }
 | 
						|
                        } else {
 | 
						|
                            if ($studentChoice) {
 | 
						|
                                $real_answers[$answerId] = false;
 | 
						|
                            } else {
 | 
						|
                                $real_answers[$answerId] = true;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    } else {
 | 
						|
                        $studentChoice = $choice[$numAnswer];
 | 
						|
                        if ($answerCorrect == 1) {
 | 
						|
                            if ($studentChoice) {
 | 
						|
                                $real_answers[$answerId] = true;
 | 
						|
                            } else {
 | 
						|
                                $real_answers[$answerId] = false;
 | 
						|
                            }
 | 
						|
                        } else {
 | 
						|
                            if ($studentChoice) {
 | 
						|
                                $real_answers[$answerId] = false;
 | 
						|
                            } else {
 | 
						|
                                $real_answers[$answerId] = true;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                // for fill in the blanks
 | 
						|
                case FILL_IN_BLANKS :
 | 
						|
                    // the question is encoded like this
 | 
						|
                    // [A] B [C] D [E] F::10,10,10@1
 | 
						|
                    // number 1 before the "@" means that is a switchable fill in blank question
 | 
						|
                    // [A] B [C] D [E] F::10,10,10@ or  [A] B [C] D [E] F::10,10,10
 | 
						|
                    // means that is a normal fill blank question
 | 
						|
                    // first we explode the "::"
 | 
						|
                    $pre_array = explode('::', $answer);
 | 
						|
                    // is switchable fill blank or not
 | 
						|
                    $last = count($pre_array) - 1;
 | 
						|
                    $is_set_switchable = explode('@', $pre_array[$last]);
 | 
						|
                    $switchable_answer_set = false;
 | 
						|
                    if (isset($is_set_switchable[1]) && $is_set_switchable[1] == 1) {
 | 
						|
                        $switchable_answer_set = true;
 | 
						|
                    }
 | 
						|
                    $answer = '';
 | 
						|
                    for ($k = 0; $k < $last; $k++) {
 | 
						|
                        $answer .= $pre_array[$k];
 | 
						|
                    }
 | 
						|
                    // splits weightings that are joined with a comma
 | 
						|
                    $answerWeighting = explode(',', $is_set_switchable[0]);
 | 
						|
 | 
						|
                    // we save the answer because it will be modified
 | 
						|
                    //$temp = $answer;
 | 
						|
                    $temp = $answer;
 | 
						|
 | 
						|
                    $answer = '';
 | 
						|
                    $j = 0;
 | 
						|
                    //initialise answer tags
 | 
						|
                    $user_tags = $correct_tags = $real_text = array();
 | 
						|
                    // the loop will stop at the end of the text
 | 
						|
                    while (1) {
 | 
						|
                        // quits the loop if there are no more blanks (detect '[')
 | 
						|
                        if (($pos = api_strpos($temp, '[')) === false) {
 | 
						|
                            // adds the end of the text
 | 
						|
                            $answer = $temp;
 | 
						|
                            /* // Deprecated code
 | 
						|
                              // TeX parsing - replacement of texcode tags
 | 
						|
                              $answer = str_replace("{texcode}", $texstring, $answer);
 | 
						|
                             */
 | 
						|
                            $real_text[] = $answer;
 | 
						|
                            break; //no more "blanks", quit the loop
 | 
						|
                        }
 | 
						|
                        // adds the piece of text that is before the blank
 | 
						|
                        //and ends with '[' into a general storage array
 | 
						|
                        $real_text[] = api_substr($temp, 0, $pos + 1);
 | 
						|
                        $answer .= api_substr($temp, 0, $pos + 1);
 | 
						|
                        //take the string remaining (after the last "[" we found)
 | 
						|
                        $temp = api_substr($temp, $pos + 1);
 | 
						|
                        // quit the loop if there are no more blanks, and update $pos to the position of next ']'
 | 
						|
                        if (($pos = api_strpos($temp, ']')) === false) {
 | 
						|
                            // adds the end of the text
 | 
						|
                            $answer .= $temp;
 | 
						|
                            break;
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($from_database) {
 | 
						|
                            $queryfill = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = ".$exeId." AND question_id= ".Database::escape_string($questionId);
 | 
						|
                            $resfill = Database::query($queryfill);
 | 
						|
                            if (Database::num_rows($resfill)) {
 | 
						|
                                $str = Database::result($resfill, 0, 'answer');
 | 
						|
                                api_preg_match_all('#\[([^[]*)\]#', $str, $arr);
 | 
						|
                                $str = str_replace('\r\n', '', $str);
 | 
						|
                                $choice = $arr[1];
 | 
						|
                                $tmp = api_strrpos($choice[$j], ' / ');
 | 
						|
                                $choice[$j] = api_substr($choice[$j], 0, $tmp);
 | 
						|
                                $choice[$j] = trim($choice[$j]);
 | 
						|
 | 
						|
                                //Needed to let characters ' and " to work as part of an answer
 | 
						|
                                $choice[$j] = stripslashes($choice[$j]);
 | 
						|
                            }
 | 
						|
                        } else {
 | 
						|
                            $choice[$j] = trim($choice[$j]);
 | 
						|
                        }
 | 
						|
 | 
						|
                        //No idea why we api_strtolower user reponses
 | 
						|
                        //$user_tags[] = api_strtolower($choice[$j]);
 | 
						|
                        $user_tags[] = $choice[$j];
 | 
						|
                        //put the contents of the [] answer tag into correct_tags[]
 | 
						|
                        //$correct_tags[] = api_strtolower(api_substr($temp, 0, $pos));
 | 
						|
                        $correct_tags[] = api_substr($temp, 0, $pos);
 | 
						|
                        $j++;
 | 
						|
                        $temp = api_substr($temp, $pos + 1);
 | 
						|
                    }
 | 
						|
                    $answer = '';
 | 
						|
                    $real_correct_tags = $correct_tags;
 | 
						|
                    $chosen_list = array();
 | 
						|
 | 
						|
                    for ($i = 0; $i < count($real_correct_tags); $i++) {
 | 
						|
                        if ($i == 0) {
 | 
						|
                            $answer .= $real_text[0];
 | 
						|
                        }
 | 
						|
                        if (!$switchable_answer_set) {
 | 
						|
                            //needed to parse ' and " characters
 | 
						|
                            $user_tags[$i] = stripslashes($user_tags[$i]);
 | 
						|
                            if ($correct_tags[$i] == $user_tags[$i]) {
 | 
						|
                                // gives the related weighting to the student
 | 
						|
                                $questionScore += $answerWeighting[$i];
 | 
						|
                                // increments total score
 | 
						|
                                $totalScore += $answerWeighting[$i];
 | 
						|
                                // adds the word in green at the end of the string
 | 
						|
                                $answer .= $correct_tags[$i];
 | 
						|
                            } // else if the word entered by the student IS NOT the same as the one defined by the professor
 | 
						|
                            elseif (!empty($user_tags[$i])) {
 | 
						|
                                // adds the word in red at the end of the string, and strikes it
 | 
						|
                                $answer .= '<font color="red"><s>'.$user_tags[$i].'</s></font>';
 | 
						|
                            } else {
 | 
						|
                                // adds a tabulation if no word has been typed by the student
 | 
						|
                                $answer .= '   ';
 | 
						|
                            }
 | 
						|
                        } else {
 | 
						|
                            // switchable fill in the blanks
 | 
						|
                            if (in_array($user_tags[$i], $correct_tags)) {
 | 
						|
                                $chosen_list[] = $user_tags[$i];
 | 
						|
                                $correct_tags = array_diff($correct_tags, $chosen_list);
 | 
						|
 | 
						|
                                // gives the related weighting to the student
 | 
						|
                                $questionScore += $answerWeighting[$i];
 | 
						|
                                // increments total score
 | 
						|
                                $totalScore += $answerWeighting[$i];
 | 
						|
                                // adds the word in green at the end of the string
 | 
						|
                                $answer .= $user_tags[$i];
 | 
						|
                            } elseif (!empty($user_tags[$i])) {
 | 
						|
                                // else if the word entered by the student IS NOT the same as the one defined by the professor
 | 
						|
                                // adds the word in red at the end of the string, and strikes it
 | 
						|
                                $answer .= '<font color="red"><s>'.$user_tags[$i].'</s></font>';
 | 
						|
                            } else {
 | 
						|
                                // adds a tabulation if no word has been typed by the student
 | 
						|
                                $answer .= '   ';
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                        // adds the correct word, followed by ] to close the blank
 | 
						|
                        $answer .= ' / <font color="green"><b>'.$real_correct_tags[$i].'</b></font>]';
 | 
						|
                        if (isset($real_text[$i + 1])) {
 | 
						|
                            $answer .= $real_text[$i + 1];
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                // for free answer
 | 
						|
                case FREE_ANSWER:
 | 
						|
                    if ($from_database) {
 | 
						|
                        $query = "SELECT answer, marks FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
 | 
						|
                        $resq = Database::query($query);
 | 
						|
                        $questionScore = 0;
 | 
						|
                        $choice = null;
 | 
						|
                        if ($resq) {
 | 
						|
                            $row = Database::fetch_array($resq);
 | 
						|
                            $choice = $row['answer'];
 | 
						|
                            $questionScore = $row['marks'];
 | 
						|
                            $choice = str_replace('\r\n', '', $choice);
 | 
						|
                            $choice = stripslashes($choice);
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($questionScore == -1) {
 | 
						|
                            $totalScore += 0;
 | 
						|
                        } else {
 | 
						|
                            $totalScore += $questionScore;
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($questionScore == '') {
 | 
						|
                            $questionScore = 0;
 | 
						|
                        }
 | 
						|
 | 
						|
                        $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;
 | 
						|
                            $totalScore += 0;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    break;
 | 
						|
                // for matching
 | 
						|
                case DRAGGABLE:
 | 
						|
                case MATCHING :
 | 
						|
                    if ($from_database) {
 | 
						|
                        $sql_answer = 'SELECT iid, answer FROM '.$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['iid']] = $real_answer['answer'];
 | 
						|
                        }
 | 
						|
 | 
						|
                        $sql_select_answer = "SELECT iid, answer, correct FROM $table_ans
 | 
						|
                                              WHERE c_id = $course_id AND question_id = '$questionId' AND correct <> 0
 | 
						|
                                              ORDER BY iid";
 | 
						|
                        $res_answers = Database::query($sql_select_answer);
 | 
						|
 | 
						|
                        $questionScore = 0;
 | 
						|
 | 
						|
                        while ($a_answers = Database::fetch_array($res_answers)) {
 | 
						|
                            $i_answer_id = $a_answers['iid']; //3
 | 
						|
                            $s_answer_label = $a_answers['answer'];  // your daddy - your mother
 | 
						|
                            $i_answer_correct_answer = $a_answers['correct']; //1 - 2
 | 
						|
                            $answerIdCorrect = $a_answers['correct'];
 | 
						|
 | 
						|
                            $sql_user_answer = "SELECT answer FROM $TBL_TRACK_ATTEMPT
 | 
						|
                                                WHERE exe_id = '$exeId' AND
 | 
						|
                                                      question_id = '$questionId' AND
 | 
						|
                                                      position = '$i_answer_id'";
 | 
						|
 | 
						|
                            $res_user_answer = Database::query($sql_user_answer);
 | 
						|
 | 
						|
                            if (Database::num_rows($res_user_answer)) {
 | 
						|
                                //  Rich - good looking
 | 
						|
                                $result = Database::fetch_array($res_user_answer, 'ASSOC');
 | 
						|
                                $s_user_answer = $result['answer'];
 | 
						|
                            } else {
 | 
						|
                                $s_user_answer = 0;
 | 
						|
                            }
 | 
						|
 | 
						|
                            $i_answerWeighting = $objAnswerTmp->selectWeighting($i_answer_id);
 | 
						|
                            if ($answerType ==  MATCHING) {
 | 
						|
                                $i_answer_correct_answer = $objAnswerTmp->getAnswerIdFromList($i_answer_correct_answer);
 | 
						|
                            }
 | 
						|
 | 
						|
                            $user_answer = '';
 | 
						|
                            if (!empty($s_user_answer)) {
 | 
						|
                                if ($s_user_answer == $i_answer_correct_answer) {
 | 
						|
                                    $questionScore += $i_answerWeighting;
 | 
						|
                                    $totalScore += $i_answerWeighting;
 | 
						|
                                    if ($answerType == DRAGGABLE) {
 | 
						|
                                        $user_answer = Display::label(get_lang('Correct'), 'success');
 | 
						|
                                    } else {
 | 
						|
                                        $user_answer = '<span>'.$real_list[$answerIdCorrect].'</span>';
 | 
						|
                                    }
 | 
						|
                                } else {
 | 
						|
                                    if ($answerType == DRAGGABLE) {
 | 
						|
                                        $user_answer = Display::label(get_lang('NotCorrect'), 'important');
 | 
						|
                                    } else {
 | 
						|
                                        $user_answer = '<span style="color: #FF0000; text-decoration: line-through;">'.$real_list[$s_user_answer].'</span>';
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
                            } else {
 | 
						|
                                if ($answerType == DRAGGABLE) {
 | 
						|
                                    $user_answer = Display::label(get_lang('Incorrect'), 'important');
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
 | 
						|
                            if ($show_result) {
 | 
						|
                                echo '<tr>';
 | 
						|
                                echo '<td>'.$s_answer_label.'</td>';
 | 
						|
                                echo '<td>'.$user_answer.'';
 | 
						|
                                if ($answerType == MATCHING) {
 | 
						|
                                    echo '<b><span style="color: #008000;"> '.$real_list[$answerIdCorrect].'</span></b>';
 | 
						|
                                }
 | 
						|
                                echo '</td>';
 | 
						|
                                echo '</tr>';
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                        break(2); //break the switch and the "for" condition
 | 
						|
                    } else {
 | 
						|
                        $numAnswer = $answerId;
 | 
						|
                        if ($answerCorrect) {
 | 
						|
                            $matchingKey = $choice[$numAnswer];
 | 
						|
 | 
						|
                            if ($answerType == DRAGGABLE) {
 | 
						|
                                $matchingKey = $numAnswer;
 | 
						|
                            }
 | 
						|
 | 
						|
                            if ($answerType == MATCHING) {
 | 
						|
                                $answerCorrect = $objAnswerTmp->getAnswerIdFromList($answerCorrect);
 | 
						|
                                $matchingKey = $numAnswer;
 | 
						|
                            }
 | 
						|
 | 
						|
                            if ($answerCorrect == $choice[$numAnswer]) {
 | 
						|
                                $questionScore += $answerWeighting;
 | 
						|
                                $totalScore += $answerWeighting;
 | 
						|
                                $user_answer = '<span>'.$answer_matching[$matchingKey].'</span>';
 | 
						|
                            } else {
 | 
						|
                                if ($choice[$numAnswer]) {
 | 
						|
                                    $user_answer = '<span style="color: #FF0000; text-decoration: line-through;">'.$answer_matching[$matchingKey].'</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_main_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");
 | 
						|
 | 
						|
                            if ($studentChoice == 1) {
 | 
						|
                                $questionScore += $answerWeighting;
 | 
						|
                                $totalScore += $answerWeighting;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    } else {
 | 
						|
                        if (isset($choice[$answerId])) {
 | 
						|
                            $studentChoice = $choice[$answerId];
 | 
						|
                        } else {
 | 
						|
                            $studentChoice = false;
 | 
						|
                        }
 | 
						|
                        if ($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_main_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 (!in_array($answerType, array(DRAGGABLE, MATCHING))|| $answerCorrect) {
 | 
						|
                        if (in_array(
 | 
						|
                            $answerType,
 | 
						|
                            array(
 | 
						|
                                UNIQUE_ANSWER,
 | 
						|
                                UNIQUE_ANSWER_IMAGE,
 | 
						|
                                UNIQUE_ANSWER_NO_OPTION,
 | 
						|
                                MULTIPLE_ANSWER,
 | 
						|
                                MULTIPLE_ANSWER_COMBINATION,
 | 
						|
                                GLOBAL_MULTIPLE_ANSWER
 | 
						|
                            )
 | 
						|
                        )
 | 
						|
                        ) {
 | 
						|
 | 
						|
                            ExerciseShowFunctions::display_unique_or_multiple_answer(
 | 
						|
                                $feedback_type,
 | 
						|
                                $answerType,
 | 
						|
                                $studentChoice,
 | 
						|
                                $answer,
 | 
						|
                                $answerComment,
 | 
						|
                                $answerCorrect,
 | 
						|
                                0,
 | 
						|
                                0,
 | 
						|
                                0
 | 
						|
                            );
 | 
						|
 | 
						|
                        } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
 | 
						|
                            ExerciseShowFunctions::display_multiple_answer_true_false(
 | 
						|
                                $feedback_type,
 | 
						|
                                $answerType,
 | 
						|
                                $studentChoice,
 | 
						|
                                $answer,
 | 
						|
                                $answerComment,
 | 
						|
                                $answerCorrect,
 | 
						|
                                0,
 | 
						|
                                $questionId,
 | 
						|
                                0
 | 
						|
                            );
 | 
						|
 | 
						|
                        } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
 | 
						|
                            ExerciseShowFunctions::display_multiple_answer_combination_true_false(
 | 
						|
                                $feedback_type,
 | 
						|
                                $answerType,
 | 
						|
                                $studentChoice,
 | 
						|
                                $answer,
 | 
						|
                                $answerComment,
 | 
						|
                                $answerCorrect,
 | 
						|
                                0,
 | 
						|
                                0,
 | 
						|
                                0
 | 
						|
                            );
 | 
						|
                        } elseif ($answerType == FILL_IN_BLANKS) {
 | 
						|
                            ExerciseShowFunctions::display_fill_in_blanks_answer($feedback_type, $answer, 0, 0);
 | 
						|
                        } elseif ($answerType == FREE_ANSWER) {
 | 
						|
                            ExerciseShowFunctions::display_free_answer(
 | 
						|
                                $feedback_type,
 | 
						|
                                $choice,
 | 
						|
                                $exeId,
 | 
						|
                                $questionId,
 | 
						|
                                $questionScore
 | 
						|
                            );
 | 
						|
                        } elseif ($answerType == ORAL_EXPRESSION) {
 | 
						|
                            // to store the details of open questions in an array to be used in mail
 | 
						|
                            ExerciseShowFunctions::display_oral_expression_answer($choice, 0, 0, $nano);
 | 
						|
 | 
						|
                        } elseif ($answerType == HOT_SPOT) {
 | 
						|
                            ExerciseShowFunctions::display_hotspot_answer($feedback_type, $counter, $answer, $studentChoice, $answerComment);
 | 
						|
                        } elseif ($answerType == HOT_SPOT_ORDER) {
 | 
						|
                            ExerciseShowFunctions::display_hotspot_order_answer(
 | 
						|
                                $feedback_type,
 | 
						|
                                $answerId,
 | 
						|
                                $answer,
 | 
						|
                                $studentChoice,
 | 
						|
                                $answerComment
 | 
						|
                            );
 | 
						|
                        } elseif ($answerType == HOT_SPOT_DELINEATION) {
 | 
						|
                            $user_answer = $_SESSION['exerciseResultCoordinates'][$questionId];
 | 
						|
 | 
						|
                            // 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) {
 | 
						|
                                $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>'.$answer_matching[$answerId].'</td><td>'.$user_answer.' / <b><span style="color: #008000;">'.
 | 
						|
                                    $answer_matching[$answerCorrect]
 | 
						|
                                .'</span></b></td>';
 | 
						|
                                echo '</tr>';
 | 
						|
                            //}
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                } else {
 | 
						|
                    if ($debug) {
 | 
						|
                        error_log('Showing questions $from '.$from);
 | 
						|
                    }
 | 
						|
 | 
						|
                    switch ($answerType) {
 | 
						|
                        case UNIQUE_ANSWER :
 | 
						|
                        case UNIQUE_ANSWER_IMAGE :
 | 
						|
                        case UNIQUE_ANSWER_NO_OPTION:
 | 
						|
                        case MULTIPLE_ANSWER :
 | 
						|
                        case GLOBAL_MULTIPLE_ANSWER :
 | 
						|
                        case MULTIPLE_ANSWER_COMBINATION :
 | 
						|
                            if ($answerId == 1) {
 | 
						|
                                ExerciseShowFunctions::display_unique_or_multiple_answer(
 | 
						|
                                    $feedback_type,
 | 
						|
                                    $answerType,
 | 
						|
                                    $studentChoice,
 | 
						|
                                    $answer,
 | 
						|
                                    $answerComment,
 | 
						|
                                    $answerCorrect,
 | 
						|
                                    $exeId,
 | 
						|
                                    $questionId,
 | 
						|
                                    $answerId
 | 
						|
                                );
 | 
						|
                            } else {
 | 
						|
                                ExerciseShowFunctions::display_unique_or_multiple_answer(
 | 
						|
                                    $feedback_type,
 | 
						|
                                    $answerType,
 | 
						|
                                    $studentChoice,
 | 
						|
                                    $answer,
 | 
						|
                                    $answerComment,
 | 
						|
                                    $answerCorrect,
 | 
						|
                                    $exeId,
 | 
						|
                                    $questionId,
 | 
						|
                                    ""
 | 
						|
                                );
 | 
						|
                            }
 | 
						|
                            break;
 | 
						|
                        case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
 | 
						|
                            if ($answerId == 1) {
 | 
						|
                                ExerciseShowFunctions::display_multiple_answer_combination_true_false(
 | 
						|
                                    $feedback_type,
 | 
						|
                                    $answerType,
 | 
						|
                                    $studentChoice,
 | 
						|
                                    $answer,
 | 
						|
                                    $answerComment,
 | 
						|
                                    $answerCorrect,
 | 
						|
                                    $exeId,
 | 
						|
                                    $questionId,
 | 
						|
                                    $answerId
 | 
						|
                                );
 | 
						|
                            } else {
 | 
						|
                                ExerciseShowFunctions::display_multiple_answer_combination_true_false(
 | 
						|
                                    $feedback_type,
 | 
						|
                                    $answerType,
 | 
						|
                                    $studentChoice,
 | 
						|
                                    $answer,
 | 
						|
                                    $answerComment,
 | 
						|
                                    $answerCorrect,
 | 
						|
                                    $exeId,
 | 
						|
                                    $questionId,
 | 
						|
                                    ""
 | 
						|
                                );
 | 
						|
                            }
 | 
						|
                            break;
 | 
						|
                        case MULTIPLE_ANSWER_TRUE_FALSE :
 | 
						|
                            if ($answerId == 1) {
 | 
						|
                                ExerciseShowFunctions::display_multiple_answer_true_false(
 | 
						|
                                    $feedback_type,
 | 
						|
                                    $answerType,
 | 
						|
                                    $studentChoice,
 | 
						|
                                    $answer,
 | 
						|
                                    $answerComment,
 | 
						|
                                    $answerCorrect,
 | 
						|
                                    $exeId,
 | 
						|
                                    $questionId,
 | 
						|
                                    $answerId
 | 
						|
                                );
 | 
						|
                            } else {
 | 
						|
                                ExerciseShowFunctions::display_multiple_answer_true_false(
 | 
						|
                                    $feedback_type,
 | 
						|
                                    $answerType,
 | 
						|
                                    $studentChoice,
 | 
						|
                                    $answer,
 | 
						|
                                    $answerComment,
 | 
						|
                                    $answerCorrect,
 | 
						|
                                    $exeId,
 | 
						|
                                    $questionId,
 | 
						|
                                    ""
 | 
						|
                                );
 | 
						|
                            }
 | 
						|
                            break;
 | 
						|
                        case FILL_IN_BLANKS:
 | 
						|
                            ExerciseShowFunctions::display_fill_in_blanks_answer($feedback_type, $answer, $exeId, $questionId);
 | 
						|
                            break;
 | 
						|
                        case FREE_ANSWER:
 | 
						|
                            echo ExerciseShowFunctions::display_free_answer(
 | 
						|
                                $feedback_type,
 | 
						|
                                $choice,
 | 
						|
                                $exeId,
 | 
						|
                                $questionId,
 | 
						|
                                $questionScore
 | 
						|
                            );
 | 
						|
                            break;
 | 
						|
                        case ORAL_EXPRESSION:
 | 
						|
                            echo '<tr>
 | 
						|
		                            <td valign="top">'.ExerciseShowFunctions::display_oral_expression_answer(
 | 
						|
                                    $feedback_type,
 | 
						|
                                    $choice,
 | 
						|
                                    $exeId,
 | 
						|
                                    $questionId,
 | 
						|
                                    $nano).'</td>
 | 
						|
		                            </tr>
 | 
						|
		                            </table>';
 | 
						|
                            break;
 | 
						|
                        case HOT_SPOT:
 | 
						|
                            ExerciseShowFunctions::display_hotspot_answer($feedback_type, $counter, $answer, $studentChoice, $answerComment);
 | 
						|
                            break;
 | 
						|
                        case HOT_SPOT_DELINEATION:
 | 
						|
                            $user_answer = $user_array;
 | 
						|
                            if ($next) {
 | 
						|
                                $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);
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                            break;
 | 
						|
                        case HOT_SPOT_ORDER:
 | 
						|
                            ExerciseShowFunctions::display_hotspot_order_answer(
 | 
						|
                                $feedback_type,
 | 
						|
                                $answerId,
 | 
						|
                                $answer,
 | 
						|
                                $studentChoice,
 | 
						|
                                $answerComment
 | 
						|
                            );
 | 
						|
                            break;
 | 
						|
                        case DRAGGABLE:
 | 
						|
                        case MATCHING:
 | 
						|
                            //if ($origin != 'learnpath') {
 | 
						|
                                echo '<tr>';
 | 
						|
                                echo '<td>'.$answer_matching[$answerId].'</td><td>'.$user_answer.' / <b><span style="color: #008000;">'.$answer_matching[$answerCorrect].'</span></b></td>';
 | 
						|
                                echo '</tr>';
 | 
						|
                            //}
 | 
						|
                            break;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $counter++;
 | 
						|
        } // end for that loops over all answers of the current question
 | 
						|
 | 
						|
        if ($debug) {
 | 
						|
            error_log('<-- end answer loop -->');
 | 
						|
        }
 | 
						|
        $final_answer = true;
 | 
						|
        foreach ($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 = $objAnswerTmp->selectWeighting($objAnswerTmp->getRealAnswerIdFromList(1));
 | 
						|
                $questionScore += $answerWeighting;
 | 
						|
                $totalScore += $answerWeighting;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        //Fixes multiple answer question in order to be exact
 | 
						|
        if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
 | 
						|
            $diff = @array_diff($answer_correct_array, $real_answers);
 | 
						|
            /*
 | 
						|
             * All good answers or nothing works like exact
 | 
						|
              $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($answer_correct_array, 1)."");
 | 
						|
                error_log("real_answers: ".print_r($real_answers, 1)."");
 | 
						|
            }
 | 
						|
            // This makes the result non exact
 | 
						|
            if (!empty($diff)) {
 | 
						|
                //$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' => $threadhold3,
 | 
						|
        );
 | 
						|
 | 
						|
        if ($from == 'exercise_result') {
 | 
						|
            // 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) {
 | 
						|
                            $questionScore = 0;
 | 
						|
                        }
 | 
						|
                        saveQuestionAttempt($questionScore, 1, $quesId, $exeId, 0, null, $updateResults); // we always insert the answer_id 1 = delineation
 | 
						|
                        //in delineation mode, get the answer from $hotspot_delineation_result[1]
 | 
						|
                        saveExerciseAttemptHotspot($exeId, $quesId, $objAnswerTmp->getRealAnswerIdFromList(1), $hotspot_delineation_result[1], $exerciseResultCoordinates[$quesId], $updateResults);
 | 
						|
                    } else {
 | 
						|
                        if ($final_answer == 0) {
 | 
						|
                            $questionScore = 0;
 | 
						|
                            $answer = 0;
 | 
						|
                            saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, null, $updateResults);
 | 
						|
                            if (is_array($exerciseResultCoordinates[$quesId])) {
 | 
						|
                                foreach ($exerciseResultCoordinates[$quesId] as $idx => $val) {
 | 
						|
                                    saveExerciseAttemptHotspot($exeId, $quesId, $objAnswerTmp->getRealAnswerIdFromList($idx), 0, $val, $updateResults);
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                        } else {
 | 
						|
                            saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, null, $updateResults);
 | 
						|
                            if (is_array($exerciseResultCoordinates[$quesId])) {
 | 
						|
                                foreach ($exerciseResultCoordinates[$quesId] as $idx => $val) {
 | 
						|
                                    saveExerciseAttemptHotspot($exeId, $quesId, $objAnswerTmp->getRealAnswerIdFromList($idx), $choice[$idx], $val, $updateResults);
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    $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>';
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $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: $saved_results");
 | 
						|
                error_log(print_r($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];
 | 
						|
                        saveQuestionAttempt($questionScore, $ans.':'.$choice[$ans], $quesId, $exeId, $i, $this->id, $updateResults);
 | 
						|
                        if ($debug) {
 | 
						|
                            error_log('result =>'.$questionScore.' '.$ans.':'.$choice[$ans]);
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                } else {
 | 
						|
                    saveQuestionAttempt($questionScore, 0, $quesId, $exeId, 0, $this->id, $updateResults);
 | 
						|
                }
 | 
						|
            } elseif ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
 | 
						|
                if ($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];
 | 
						|
                        saveQuestionAttempt($questionScore, $ans, $quesId, $exeId, $i, $this->id, $updateResults);
 | 
						|
                    }
 | 
						|
                } else {
 | 
						|
                    saveQuestionAttempt($questionScore, 0, $quesId, $exeId, 0, $this->id, $updateResults);
 | 
						|
                }
 | 
						|
            } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
 | 
						|
                if ($choice != 0) {
 | 
						|
                    $reply = array_keys($choice);
 | 
						|
                    for ($i = 0; $i < sizeof($reply); $i++) {
 | 
						|
                        $ans = $reply[$i];
 | 
						|
                        saveQuestionAttempt($questionScore, $ans, $quesId, $exeId, $i, $this->id, $updateResults);
 | 
						|
                    }
 | 
						|
                } else {
 | 
						|
                    saveQuestionAttempt($questionScore, 0, $quesId, $exeId, 0, $this->id, $updateResults);
 | 
						|
                }
 | 
						|
            } elseif ($answerType == MATCHING || $answerType == DRAGGABLE) {
 | 
						|
                if (isset($matching)) {
 | 
						|
                    foreach ($matching as $j => $val) {
 | 
						|
                        saveQuestionAttempt($questionScore, $val, $quesId, $exeId, $j, $this->id, $updateResults);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            } elseif ($answerType == FREE_ANSWER) {
 | 
						|
                $answer = $choice;
 | 
						|
                saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $updateResults);
 | 
						|
            } elseif ($answerType == ORAL_EXPRESSION) {
 | 
						|
                $answer = $choice;
 | 
						|
                saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $updateResults, $nano);
 | 
						|
            } elseif ($answerType == UNIQUE_ANSWER || $answerType == UNIQUE_ANSWER_IMAGE || $answerType == UNIQUE_ANSWER_NO_OPTION) {
 | 
						|
                $answer = $choice;
 | 
						|
                saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $updateResults);
 | 
						|
                //            } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
 | 
						|
            } elseif ($answerType == HOT_SPOT) {
 | 
						|
                saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $updateResults);
 | 
						|
                if (isset($exerciseResultCoordinates[$questionId]) && !empty($exerciseResultCoordinates[$questionId])) {
 | 
						|
                    foreach ($exerciseResultCoordinates[$questionId] as $idx => $val) {
 | 
						|
                        saveExerciseAttemptHotspot($exeId, $quesId, $objAnswerTmp->getRealAnswerIdFromList($idx), $choice[$idx], $val, $updateResults, $this->id);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $updateResults);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if ($propagate_neg == 0 && $questionScore < 0) {
 | 
						|
            $questionScore = 0;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($saved_results) {
 | 
						|
            $stat_table = Database :: get_main_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,
 | 
						|
            'open_question' => $arrques,
 | 
						|
            'open_answer' => $arrans,
 | 
						|
            'answer_type' => $answerType,
 | 
						|
            'user_choices' => $choice,
 | 
						|
        );
 | 
						|
 | 
						|
        return $return_array;
 | 
						|
    }
 | 
						|
 | 
						|
    public function returnNotificationTag()
 | 
						|
    {
 | 
						|
        return array(
 | 
						|
            '{{ student.username }}',
 | 
						|
            '{{ student.firstname }}',
 | 
						|
            '{{ student.lastname }}',
 | 
						|
            '{{ exercise.title }}',
 | 
						|
            '{{ exercise.start_time }}',
 | 
						|
            '{{ exercise.end_time }}',
 | 
						|
            '{{ exercise.question_and_answer_ids }}',
 | 
						|
            '{{ exercise.assert_count }}'
 | 
						|
        );
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param $exeId
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function sendCustomNotification($exeId, $exerciseResult = array())
 | 
						|
    {
 | 
						|
        if ($this->emailAlert) {
 | 
						|
 | 
						|
            // Getting attempt info
 | 
						|
            $trackExerciseInfo = ExerciseLib::get_exercise_track_exercise_info($exeId);
 | 
						|
 | 
						|
            if (empty($trackExerciseInfo)) {
 | 
						|
                return false;
 | 
						|
            }
 | 
						|
 | 
						|
            if (!empty($this->emailNotificationTemplate)) {
 | 
						|
                $twig = new \Twig_Environment(new \Twig_Loader_String());
 | 
						|
                $twig->addFilter('var_dump', new Twig_Filter_Function('var_dump'));
 | 
						|
                $template = $this->emailNotificationTemplate;
 | 
						|
            } else {
 | 
						|
                global $app;
 | 
						|
                $twig = $app['twig'];
 | 
						|
                $template = 'default/mail/exercise/end_exercise_notification.tpl';
 | 
						|
            }
 | 
						|
 | 
						|
            $userInfo = UserManager::get_user_info_by_id($trackExerciseInfo['exe_user_id']);
 | 
						|
            $courseInfo = api_get_course_info_by_id($trackExerciseInfo['c_id']);
 | 
						|
 | 
						|
            $twig->addGlobal('student', $userInfo);
 | 
						|
            $twig->addGlobal('exercise', $this);
 | 
						|
            $twig->addGlobal('exercise.start_time', $trackExerciseInfo['start_time']);
 | 
						|
            $twig->addGlobal('exercise.end_time', $trackExerciseInfo['end_time']);
 | 
						|
            $twig->addGlobal('course', $courseInfo);
 | 
						|
 | 
						|
            $resultInfo = array();
 | 
						|
            $resultInfoToString = null;
 | 
						|
            $countCorrectToString = null;
 | 
						|
 | 
						|
            if (!empty($exerciseResult)) {
 | 
						|
 | 
						|
                $countCorrect = array();
 | 
						|
                $countCorrect['correct'] = 0;
 | 
						|
                $countCorrect['total'] = 0;
 | 
						|
                $counter = 1;
 | 
						|
                foreach ($exerciseResult as $questionId => $result) {
 | 
						|
                    $resultInfo[$questionId] = isset($result['details']['user_choices']) ? $result['details']['user_choices'] : null;
 | 
						|
                    $correct = $result['score']['pass'] ? 1 : 0;
 | 
						|
                    $countCorrect['correct'] += $correct;
 | 
						|
                    $countCorrect['total'] = $counter;
 | 
						|
                    $counter++;
 | 
						|
                }
 | 
						|
 | 
						|
                if (!empty($resultInfo)) {
 | 
						|
                    $resultInfoToString = json_encode($resultInfo);
 | 
						|
                }
 | 
						|
 | 
						|
                if (!empty($countCorrect)) {
 | 
						|
                    $countCorrectToString = json_encode($countCorrect);
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            $twig->addGlobal('question_and_answer_ids', $resultInfoToString);
 | 
						|
            $twig->addGlobal('asserts', $countCorrectToString);
 | 
						|
 | 
						|
            if (api_get_session_id()) {
 | 
						|
                $teachers = CourseManager::get_coach_list_from_course_code($courseInfo['real_id'], api_get_session_id());
 | 
						|
            } else {
 | 
						|
                $teachers = CourseManager::get_teacher_list_from_course_code($courseInfo['real_id']);
 | 
						|
            }
 | 
						|
 | 
						|
            try {
 | 
						|
                $twig->parse($twig->tokenize($template));
 | 
						|
                $content = $twig->render($template);
 | 
						|
            } catch (Twig_Error_Syntax $e) {
 | 
						|
                // $template contains one or more syntax errors
 | 
						|
               echo $e->getMessage();
 | 
						|
            }
 | 
						|
 | 
						|
            // Student who finish the exercise
 | 
						|
            $subject = get_lang('ExerciseResult');
 | 
						|
 | 
						|
            if (!empty($teachers)) {
 | 
						|
                foreach ($teachers as $user_id => $teacher_data) {
 | 
						|
                    MessageManager::send_message_simple($user_id, $subject, $content);
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Sends a notification when a user ends an examn
 | 
						|
     * @param array $question_list_answers
 | 
						|
     * @param string $origin
 | 
						|
     * @param int $exe_id
 | 
						|
     * @return null
 | 
						|
     */
 | 
						|
    public function sendNotificationForOpenQuestions($question_list_answers, $origin, $exe_id)
 | 
						|
    {
 | 
						|
        if ($this->emailAlert == false) {
 | 
						|
            return null;
 | 
						|
        }
 | 
						|
        // Email configuration settings
 | 
						|
        $course_info = api_get_course_info(api_get_course_id());
 | 
						|
 | 
						|
        $url_email = api_get_path(WEB_CODE_PATH).'exercice/exercise_show.php?'.api_get_cidreq().'&id_session='.api_get_session_id().'&id='.$exe_id.'&action=qualify';
 | 
						|
        $user_info = UserManager::get_user_info_by_id(api_get_user_id());
 | 
						|
 | 
						|
        $msg = '<p>'.get_lang('OpenQuestionsAttempted').' :</p>
 | 
						|
                    <p>'.get_lang('AttemptDetails').' : </p>
 | 
						|
                    <table class="data_table">
 | 
						|
                        <tr>
 | 
						|
                            <td><h3>'.get_lang('CourseName').'</h3></td>
 | 
						|
                            <td><h3>#course#</h3></td>
 | 
						|
                        </tr>
 | 
						|
                        <tr>
 | 
						|
                            <td>'.get_lang('TestAttempted').'</span></td>
 | 
						|
                            <td>#exercise#</td>
 | 
						|
                        </tr>
 | 
						|
                        <tr>
 | 
						|
                            <td>'.get_lang('StudentName').'</td>
 | 
						|
                            <td>#firstName# #lastName#</td>
 | 
						|
                        </tr>
 | 
						|
                        <tr>
 | 
						|
                            <td>'.get_lang('StudentEmail').'</td>
 | 
						|
                            <td>#mail#</td>
 | 
						|
                        </tr>
 | 
						|
                    </table>';
 | 
						|
        $open_question_list = null;
 | 
						|
        foreach ($question_list_answers as $item) {
 | 
						|
            $question = $item['question'];
 | 
						|
            $answer = $item['answer'];
 | 
						|
            $answer_type = $item['answer_type'];
 | 
						|
 | 
						|
            if (!empty($question) && !empty($answer) && $answer_type == FREE_ANSWER) {
 | 
						|
                $open_question_list .= '<tr>
 | 
						|
                            <td width="220" valign="top" bgcolor="#E5EDF8">  '.get_lang('Question').'</td>
 | 
						|
                            <td width="473" valign="top" bgcolor="#F3F3F3">'.$question.'</td>
 | 
						|
                        </tr>
 | 
						|
                        <tr>
 | 
						|
                            <td width="220" valign="top" bgcolor="#E5EDF8">  '.get_lang('Answer').'</td>
 | 
						|
                            <td valign="top" bgcolor="#F3F3F3">'.$answer.'</td>
 | 
						|
                        </tr>';
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($open_question_list)) {
 | 
						|
            $msg .= '<p><br />'.get_lang('OpenQuestionsAttemptedAre').' :</p>
 | 
						|
                    <table width="730" height="136" border="0" cellpadding="3" cellspacing="3">';
 | 
						|
            $msg .= $open_question_list;
 | 
						|
            $msg .= '</table><br />';
 | 
						|
 | 
						|
 | 
						|
            $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);
 | 
						|
            $msg = str_replace("#course#", $course_info['name'], $msg1);
 | 
						|
 | 
						|
            if ($origin != 'learnpath') {
 | 
						|
                $msg .= get_lang('ClickToCommentAndGiveFeedback').', <br />
 | 
						|
                            <a href="#url#">#url#</a>';
 | 
						|
            }
 | 
						|
            $msg1 = str_replace("#url#", $url_email, $msg);
 | 
						|
            $mail_content = $msg1;
 | 
						|
            $subject = get_lang('OpenQuestionsAttempted');
 | 
						|
 | 
						|
            if (api_get_session_id()) {
 | 
						|
                $teachers = CourseManager::get_coach_list_from_course_code($course_info['real_id'], api_get_session_id());
 | 
						|
            } else {
 | 
						|
                $teachers = CourseManager::get_teacher_list_from_course_code($course_info['real_id']);
 | 
						|
            }
 | 
						|
 | 
						|
            if (!empty($teachers)) {
 | 
						|
                foreach ($teachers as $user_id => $teacher_data) {
 | 
						|
                    MessageManager::send_message_simple($user_id, $subject, $mail_content);
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    public function sendNotificationForOralQuestions($question_list_answers, $origin, $exe_id)
 | 
						|
    {
 | 
						|
        if ($this->emailAlert == false) {
 | 
						|
            return null;
 | 
						|
        }
 | 
						|
        // Email configuration settings
 | 
						|
        $coursecode = api_get_course_id();
 | 
						|
        $course_info = api_get_course_info(api_get_course_id());
 | 
						|
 | 
						|
        $url_email = api_get_path(WEB_CODE_PATH).'exercice/exercise_show.php?'.api_get_cidreq(
 | 
						|
        ).'&id_session='.api_get_session_id().'&id='.$exe_id.'&action=qualify';
 | 
						|
        $user_info = UserManager::get_user_info_by_id(api_get_user_id());
 | 
						|
 | 
						|
 | 
						|
        $oral_question_list = null;
 | 
						|
        foreach ($question_list_answers as $item) {
 | 
						|
            $question = $item['question'];
 | 
						|
            $answer = $item['answer'];
 | 
						|
            $answer_type = $item['answer_type'];
 | 
						|
 | 
						|
            if (!empty($question) && !empty($answer) && $answer_type == ORAL_EXPRESSION) {
 | 
						|
                $oral_question_list .= '<br /><table width="730" height="136" border="0" cellpadding="3" cellspacing="3"><tr>
 | 
						|
                            <td width="220" valign="top" bgcolor="#E5EDF8">  '.get_lang('Question').'</td>
 | 
						|
                            <td width="473" valign="top" bgcolor="#F3F3F3">'.$question.'</td>
 | 
						|
                        </tr>
 | 
						|
                        <tr>
 | 
						|
                            <td width="220" valign="top" bgcolor="#E5EDF8">  '.get_lang('Answer').'</td>
 | 
						|
                            <td valign="top" bgcolor="#F3F3F3">'.$answer.'</td>
 | 
						|
                        </tr></table>';
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($oral_question_list)) {
 | 
						|
            $msg = '<p>'.get_lang('OralQuestionsAttempted').' :</p>
 | 
						|
                    <p>'.get_lang('AttemptDetails').' : </p>
 | 
						|
                    <table class="data_table">
 | 
						|
                        <tr>
 | 
						|
                            <td><h3>'.get_lang('CourseName').'</h3></td>
 | 
						|
                            <td><h3>#course#</h3></td>
 | 
						|
                        </tr>
 | 
						|
                        <tr>
 | 
						|
                            <td>'.get_lang('TestAttempted').'</span></td>
 | 
						|
                            <td>#exercise#</td>
 | 
						|
                        </tr>
 | 
						|
                        <tr>
 | 
						|
                            <td>'.get_lang('StudentName').'</td>
 | 
						|
                            <td>#firstName# #lastName#</td>
 | 
						|
                        </tr>
 | 
						|
                        <tr>
 | 
						|
                            <td>'.get_lang('StudentEmail').'</td>
 | 
						|
                            <td>#mail#</td>
 | 
						|
                        </tr>
 | 
						|
                    </table>';
 | 
						|
            $msg .= '<br />'.sprintf(get_lang('OralQuestionsAttemptedAreX'), $oral_question_list).'<br />';
 | 
						|
            $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);
 | 
						|
            $msg = str_replace("#course#", $course_info['name'], $msg1);
 | 
						|
 | 
						|
            if ($origin != 'learnpath') {
 | 
						|
                $msg .= get_lang('ClickToCommentAndGiveFeedback').', <br />
 | 
						|
                            <a href="#url#">#url#</a>';
 | 
						|
            }
 | 
						|
            $msg1 = str_replace("#url#", $url_email, $msg);
 | 
						|
            $mail_content = $msg1;
 | 
						|
            $subject = get_lang('OralQuestionsAttempted');
 | 
						|
 | 
						|
            if (api_get_session_id()) {
 | 
						|
                $teachers = CourseManager::get_coach_list_from_course_code($course_info['real_id'], api_get_session_id());
 | 
						|
            } else {
 | 
						|
                $teachers = CourseManager::get_teacher_list_from_course_code($course_info['real_id']);
 | 
						|
            }
 | 
						|
 | 
						|
            if (!empty($teachers)) {
 | 
						|
                foreach ($teachers as $user_id => $teacher_data) {
 | 
						|
                    MessageManager::send_message_simple($user_id, $subject, $mail_content);
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param string $user_data
 | 
						|
     * @param string $start_date
 | 
						|
     * @param int $duration
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    function show_exercise_result_header($user_data, $start_date = null, $duration = null)
 | 
						|
    {
 | 
						|
        $array = array();
 | 
						|
 | 
						|
        if (!empty($user_data)) {
 | 
						|
            $array[] = array('title' => get_lang("User"), 'content' => $user_data);
 | 
						|
        }
 | 
						|
 | 
						|
        // Description can be very long and is generally meant to explain
 | 
						|
        //   rules *before* the exam. Leaving here to make display easier if
 | 
						|
        //   necessary
 | 
						|
        /*
 | 
						|
        if (!empty($this->description)) {
 | 
						|
            $array[] = array('title' => get_lang("Description"), 'content' => $this->description);
 | 
						|
        }
 | 
						|
 | 
						|
        */
 | 
						|
        if (!empty($start_date)) {
 | 
						|
            $array[] = array('title' => get_lang("StartDate"), 'content' => $start_date);
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($duration)) {
 | 
						|
            $array[] = array('title' => get_lang("Duration"), 'content' => $duration);
 | 
						|
        }
 | 
						|
 | 
						|
        $html = Display::page_subheader(
 | 
						|
            Display::return_icon('quiz_big.png', get_lang('Result')).' '.$this->exercise.' : '.get_lang('Result')
 | 
						|
        );
 | 
						|
        $html .= Display::description($array);
 | 
						|
 | 
						|
        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) {
 | 
						|
        $this->updateTitle($title);
 | 
						|
        $this->updateActive($active);
 | 
						|
        $this->updateAttempts($max_attempt);
 | 
						|
        $this->updateFeedbackType($feedback);
 | 
						|
        $this->updateType($type);
 | 
						|
        $this->setRandom($random);
 | 
						|
        //$this->updateRandomAnswers($form->getSubmitValue('randomAnswers'));
 | 
						|
        $this->updateResultsDisabled($results_disabled);
 | 
						|
        $this->updateExpiredTime($expired_time);
 | 
						|
        /*$this->updatePropagateNegative($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'));
 | 
						|
        $this->updateCategories($form->getSubmitValue('category'));*/
 | 
						|
        $this->save();
 | 
						|
        $quiz_id = $this->selectId();
 | 
						|
        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();
 | 
						|
        $track_exercise_info = ExerciseLib::get_exercise_track_exercise_info($exe_id);
 | 
						|
        $totalScore = 0;
 | 
						|
        if (!empty($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->manageAnswers(
 | 
						|
                    $exe_id,
 | 
						|
                    $questionId,
 | 
						|
                    '',
 | 
						|
                    'exercise_show',
 | 
						|
                    array(),
 | 
						|
                    false,
 | 
						|
                    true,
 | 
						|
                    false
 | 
						|
                );
 | 
						|
                // $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
 | 
						|
     *
 | 
						|
     * @param int $lp_id
 | 
						|
     * @param int $lp_item_id
 | 
						|
     * @param int $lp_item_view_id
 | 
						|
     * @param bool $filter_by_admin
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public function is_visible($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;
 | 
						|
        $message = null;
 | 
						|
 | 
						|
        //1.1 Admins and teachers can access to the exercise
 | 
						|
        if ($filter_by_admin) {
 | 
						|
            if (api_is_platform_admin() || api_is_course_admin()) {
 | 
						|
                return array('value' => true, 'message' => '');
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        //Checking visibility in the item_property table
 | 
						|
        $visibility = api_get_item_visibility(api_get_course_info(), TOOL_QUIZ, $this->id, api_get_session_id());
 | 
						|
 | 
						|
        if ($visibility == 0) {
 | 
						|
            $this->active = 0;
 | 
						|
        }
 | 
						|
 | 
						|
        //2. If the exercise is not active
 | 
						|
        if (empty($lp_id)) {
 | 
						|
            //2.1 LP is OFF
 | 
						|
            if ($this->active == 0) {
 | 
						|
                return array(
 | 
						|
                    'value' => false,
 | 
						|
                    'message' => Display::return_message(get_lang('ExerciseNotFound'), 'warning', false)
 | 
						|
                );
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            //2.1 LP is loaded
 | 
						|
            if ($this->active == 0 AND !learnpath::is_lp_visible_for_student($lp_id, api_get_user_id())) {
 | 
						|
                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);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    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($result) > 0) {
 | 
						|
            return true;
 | 
						|
        }
 | 
						|
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Returns an array with the media list
 | 
						|
     * @param array question list
 | 
						|
     * @example there's 1 question with iid 5 that belongs to the media question with iid = 100
 | 
						|
     * <code>
 | 
						|
     * array (size=2)
 | 
						|
     *  999 =>
 | 
						|
     *    array (size=3)
 | 
						|
     *      0 => int 7
 | 
						|
     *      1 => int 6
 | 
						|
     *      2 => int 3254
 | 
						|
     *  100 =>
 | 
						|
     *   array (size=1)
 | 
						|
     *      0 => int 5
 | 
						|
     *  </code>
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    private function setMediaList($questionList)
 | 
						|
    {
 | 
						|
        $mediaList= array();
 | 
						|
        if (!empty($questionList)) {
 | 
						|
            foreach ($questionList as $questionId) {
 | 
						|
                $objQuestionTmp = Question::read($questionId);
 | 
						|
 | 
						|
                // If a media question exists
 | 
						|
                if (isset($objQuestionTmp->parent_id) && $objQuestionTmp->parent_id != 0) {
 | 
						|
                    $mediaList[$objQuestionTmp->parent_id][] = $objQuestionTmp->id;
 | 
						|
                } else {
 | 
						|
                    // Always the last item
 | 
						|
                    $mediaList[999][] = $objQuestionTmp->id;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        $this->mediaList = $mediaList;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Returns an array with this form
 | 
						|
     * @example
 | 
						|
     * <code>
 | 
						|
     * array (size=3)
 | 
						|
          999 =>
 | 
						|
            array (size=3)
 | 
						|
              0 => int 3422
 | 
						|
              1 => int 3423
 | 
						|
              2 => int 3424
 | 
						|
          100 =>
 | 
						|
            array (size=2)
 | 
						|
              0 => int 3469
 | 
						|
              1 => int 3470
 | 
						|
          101 =>
 | 
						|
            array (size=1)
 | 
						|
              0 => int 3482
 | 
						|
     * </code>
 | 
						|
     * The array inside the key 999 means the question list that belongs to the media id = 999,
 | 
						|
     * this case is special because 999 means "no media".
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public function getMediaList()
 | 
						|
    {
 | 
						|
        return $this->mediaList;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Is media question activated?
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function mediaIsActivated()
 | 
						|
    {
 | 
						|
        $mediaQuestions = $this->getMediaList();
 | 
						|
        $active = false;
 | 
						|
        if (isset($mediaQuestions) && !empty($mediaQuestions)) {
 | 
						|
            $media_count = count($mediaQuestions);
 | 
						|
            if ($media_count > 1) {
 | 
						|
                return true;
 | 
						|
            } elseif ($media_count == 1) {
 | 
						|
                if (isset($mediaQuestions[999])) {
 | 
						|
                    return false;
 | 
						|
                } else {
 | 
						|
                    return true;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return $active;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets question list from the exercise
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public function getQuestionList()
 | 
						|
    {
 | 
						|
        return $this->questionList;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Question list with medias compressed like this
 | 
						|
     * @example
 | 
						|
     * <code>
 | 
						|
     * array(
 | 
						|
     *      question_id_1,
 | 
						|
     *      question_id_2,
 | 
						|
     *      media_id, <- this media id contains question ids
 | 
						|
     *      question_id_3,
 | 
						|
     * )
 | 
						|
     * </code>
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public function getQuestionListWithMediasCompressed()
 | 
						|
    {
 | 
						|
        return $this->questionList;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Question list with medias uncompressed like this
 | 
						|
     * @example
 | 
						|
     * <code>
 | 
						|
     * array(
 | 
						|
     *      question_id,
 | 
						|
     *      question_id,
 | 
						|
     *      question_id, <- belongs to a media id
 | 
						|
     *      question_id, <- belongs to a media id
 | 
						|
     *      question_id,
 | 
						|
     * )
 | 
						|
     * </code>
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public function getQuestionListWithMediasUncompressed()
 | 
						|
    {
 | 
						|
        return $this->questionListUncompressed;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Sets the question list when the exercise->read() is executed
 | 
						|
     */
 | 
						|
    public function setQuestionList()
 | 
						|
    {
 | 
						|
        // Getting question list.
 | 
						|
        $questionList = $this->selectQuestionList(true);
 | 
						|
        $this->setMediaList($questionList);
 | 
						|
 | 
						|
        $this->questionList = $this->transformQuestionListWithMedias($questionList, false);
 | 
						|
        $this->questionListUncompressed = $this->transformQuestionListWithMedias($questionList, true);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     *
 | 
						|
     * @params array question list
 | 
						|
     * @params bool expand or not question list (true show all questions, false show media question id instead of the question ids)
 | 
						|
     *
 | 
						|
     **/
 | 
						|
    public function transformQuestionListWithMedias($question_list, $expand_media_questions = false)
 | 
						|
    {
 | 
						|
        $new_question_list = array();
 | 
						|
        if (!empty($question_list)) {
 | 
						|
            $media_questions = $this->getMediaList();
 | 
						|
 | 
						|
            $media_active = $this->mediaIsActivated($media_questions);
 | 
						|
 | 
						|
            if ($media_active) {
 | 
						|
                $counter = 1;
 | 
						|
                foreach ($question_list as $question_id) {
 | 
						|
                    $add_question = true;
 | 
						|
                    foreach ($media_questions as $media_id => $question_list_in_media) {
 | 
						|
                        if ($media_id != 999 && in_array($question_id, $question_list_in_media)) {
 | 
						|
                            $add_question = false;
 | 
						|
                            if (!in_array($media_id, $new_question_list)) {
 | 
						|
                                $new_question_list[$counter] = $media_id;
 | 
						|
                                $counter++;
 | 
						|
                            }
 | 
						|
                            break;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    if ($add_question) {
 | 
						|
                        $new_question_list[$counter] = $question_id;
 | 
						|
                        $counter++;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                if ($expand_media_questions) {
 | 
						|
                    $media_key_list = array_keys($media_questions);
 | 
						|
                    foreach ($new_question_list as &$question_id) {
 | 
						|
                        if (in_array($question_id, $media_key_list)) {
 | 
						|
                            $question_id = $media_questions[$question_id];
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    $new_question_list = ArrayClass::array_flatten($new_question_list);
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                $new_question_list = $question_list;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return $new_question_list;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $exe_id
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public function getStatTrackExerciseInfoByExeId($exe_id)
 | 
						|
    {
 | 
						|
        $track_exercises = Database :: get_main_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');
 | 
						|
 | 
						|
            $new_array['duration'] = null;
 | 
						|
 | 
						|
            $start_date = api_get_utc_datetime($new_array['start_date'], true);
 | 
						|
            $end_date = api_get_utc_datetime($new_array['exe_date'], true);
 | 
						|
 | 
						|
            if (!empty($start_date) && !empty($end_date)) {
 | 
						|
                $start_date = api_strtotime($start_date, 'UTC');
 | 
						|
                $end_date = api_strtotime($end_date, 'UTC');
 | 
						|
                if ($start_date && $end_date) {
 | 
						|
                    $mytime = $end_date - $start_date;
 | 
						|
                    $new_learnpath_item = new learnpathItem(null);
 | 
						|
                    $time_attemp = $new_learnpath_item->get_scorm_time('js', $mytime);
 | 
						|
                    $h = get_lang('h');
 | 
						|
                    $time_attemp = str_replace('NaN', '00'.$h.'00\'00"', $time_attemp);
 | 
						|
                    $new_array['duration'] = $time_attemp;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $new_array;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $exe_id
 | 
						|
     * @param int $question_id
 | 
						|
     * @param string $action
 | 
						|
     */
 | 
						|
    public function edit_question_to_remind($exe_id, $question_id, $action = 'add')
 | 
						|
    {
 | 
						|
        $exercise_info = self::getStatTrackExerciseInfoByExeId($exe_id);
 | 
						|
        $question_id = intval($question_id);
 | 
						|
        $exe_id = intval($exe_id);
 | 
						|
        $track_exercises = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
 | 
						|
        if ($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 = $exe_id ";
 | 
						|
                    Database::query($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 = $exe_id ";
 | 
						|
                Database::query($sql);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param string $answer
 | 
						|
     * @return mixed
 | 
						|
     */
 | 
						|
    public function fill_in_blank_answer_to_array($answer)
 | 
						|
    {
 | 
						|
        api_preg_match_all('/\[[^]]+\]/', $answer, $teacher_answer_list);
 | 
						|
        $teacher_answer_list = $teacher_answer_list[0];
 | 
						|
 | 
						|
        return $teacher_answer_list;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param $answer
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function fill_in_blank_answer_to_string($answer)
 | 
						|
    {
 | 
						|
        $teacher_answer_list = $this->fill_in_blank_answer_to_array($answer);
 | 
						|
        $result = '';
 | 
						|
        if (!empty($teacher_answer_list)) {
 | 
						|
            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;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Returns a time limit message
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function returnTimeLeftDiv()
 | 
						|
    {
 | 
						|
        $message = Display::return_message(
 | 
						|
            get_lang('ReachedTimeLimit'), 'warning' ).' '.sprintf(get_lang('YouWillBeRedirectedInXSeconds'),
 | 
						|
            '<span id="counter_to_redirect" class="red_alert"></span>'
 | 
						|
        );
 | 
						|
        $html = '<div id="clock_warning" style="display:none">'.$message.'</div>';
 | 
						|
        $html .= '<div class="row"><div class="pull-right"><div id="exercise_clock_warning" class="well count_down"></div></div></div>';
 | 
						|
 | 
						|
        return $html;
 | 
						|
    }
 | 
						|
 | 
						|
    public function returnWarningJs($url)
 | 
						|
    {
 | 
						|
        $condition = "
 | 
						|
            var dialog = $('#dialog-confirm');
 | 
						|
 | 
						|
            if (dialog.data('question_list') != '' && dialog.data('question_list') != undefined) {
 | 
						|
                saveQuestionList(dialog.data('question_list'));
 | 
						|
            } else {
 | 
						|
                saveNow(dialog.data('question_id'), dialog.data('url_extra'), dialog.data('redirect'));
 | 
						|
            }
 | 
						|
 | 
						|
            $(this).dialog('close');
 | 
						|
        ";
 | 
						|
 | 
						|
        if (!empty($url)) {
 | 
						|
           $condition = 'window.location = "'.$url.'&" + lp_data;';
 | 
						|
        }
 | 
						|
 | 
						|
        return '<script>
 | 
						|
            $(function() {
 | 
						|
                $("#dialog-confirm").dialog({
 | 
						|
                    autoOpen: false,
 | 
						|
                    resizable: false,
 | 
						|
                    height:200,
 | 
						|
                    width:550,
 | 
						|
                    modal: true,
 | 
						|
                    buttons: {
 | 
						|
                        "cancel": {
 | 
						|
                            click: function() {
 | 
						|
                                $(this).dialog("close");
 | 
						|
                            },
 | 
						|
                            text : "'.get_lang("NoIWantToTurnBack").'",
 | 
						|
                            class : "btn btn-danger"
 | 
						|
                        },
 | 
						|
                        "ok": {
 | 
						|
                            click : function() {
 | 
						|
                                '.$condition.'
 | 
						|
                            },
 | 
						|
                            text: "'.get_lang("YesImSure").'",
 | 
						|
                            class : "btn btn-success"
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                });
 | 
						|
            });
 | 
						|
        </script>';
 | 
						|
    }
 | 
						|
 | 
						|
    function returnWarningHtml()
 | 
						|
    {
 | 
						|
        return  '<div id="dialog-confirm" title="'.get_lang('Exercise').'" style="display:none">
 | 
						|
          <p><span class="ui-icon ui-icon-alert" style="float: left; margin: 0 7px 20px 0;"></span>
 | 
						|
          '.get_lang('IfYouContinueYourAnswerWillBeSavedAnyChangeWillBeNotAllowed').'
 | 
						|
            </p>
 | 
						|
        </div>';
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get question list (including question ids of the media)
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public function getCountUncompressedQuestionList()
 | 
						|
    {
 | 
						|
        $question_count = 0;
 | 
						|
        $questionList = $this->questionList;
 | 
						|
        if (!empty($questionList)) {
 | 
						|
            $question_count = count($questionList);
 | 
						|
        }
 | 
						|
 | 
						|
        return $question_count;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get question list (excluding question ids of the media)
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public function getCountCompressedQuestionList()
 | 
						|
    {
 | 
						|
        $mediaQuestions = $this->getMediaList();
 | 
						|
        $questionCount = 0;
 | 
						|
        foreach ($mediaQuestions as $mediaKey => $questionList) {
 | 
						|
            if ($mediaKey == 999) {
 | 
						|
                $questionCount += count($questionList);
 | 
						|
            } else {
 | 
						|
                $questionCount++;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return $questionCount;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the position of a questionId in the question list
 | 
						|
     * @param $questionId
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public function getPositionInCompressedQuestionList($questionId)
 | 
						|
    {
 | 
						|
        $questionList = $this->getQuestionListWithMediasCompressed();
 | 
						|
        $mediaQuestions = $this->getMediaList();
 | 
						|
        $position = 1;
 | 
						|
        foreach ($questionList as $id) {
 | 
						|
            if (isset($mediaQuestions[$id]) && in_array($questionId, $mediaQuestions[$id])) {
 | 
						|
                $mediaQuestionList = $mediaQuestions[$id];
 | 
						|
                if (in_array($questionId, $mediaQuestionList)) {
 | 
						|
                    return $position;
 | 
						|
                } else {
 | 
						|
                    $position++;
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                if ($id == $questionId) {
 | 
						|
                    return $position;
 | 
						|
                } else {
 | 
						|
                    $position++;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return 1;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get question list (excluding question ids of the media)
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public function getPositionOfQuestionInCompresedQuestionList()
 | 
						|
    {
 | 
						|
        $mediaQuestions = $this->getMediaList();
 | 
						|
        $questionCount = 0;
 | 
						|
        foreach ($mediaQuestions as $mediaKey => $questionList) {
 | 
						|
            if ($mediaKey == 999) {
 | 
						|
                $questionCount += count($questionList);
 | 
						|
            } else {
 | 
						|
                $questionCount++;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return $questionCount;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    function get_exercise_list_ordered()
 | 
						|
    {
 | 
						|
        $table_exercise_order = Database::get_course_table(TABLE_QUIZ_ORDER);
 | 
						|
        $course_id = api_get_course_int_id();
 | 
						|
        $session_id = api_get_session_id();
 | 
						|
        $sql = "SELECT exercise_id, exercise_order FROM $table_exercise_order
 | 
						|
                       WHERE c_id = $course_id AND session_id = $session_id ORDER BY exercise_order";
 | 
						|
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $list = array();
 | 
						|
        if (Database::num_rows($result)) {
 | 
						|
            while ($row = Database::fetch_array($result, 'ASSOC')) {
 | 
						|
                $list[$row['exercise_order']] = $row['exercise_id'];
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $list;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function get_categories_in_exercise()
 | 
						|
    {
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
 | 
						|
        if (!empty($this->id)) {
 | 
						|
            $sql = "SELECT * FROM $table WHERE exercise_id = {$this->id} AND c_id = {$this->course_id} ";
 | 
						|
            $result = Database::query($sql);
 | 
						|
            $list = array();
 | 
						|
            if (Database::num_rows($result)) {
 | 
						|
                 while ($row = Database::fetch_array($result, 'ASSOC')) {
 | 
						|
                    $list[$row['category_id']] = $row;
 | 
						|
                }
 | 
						|
                return $list;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param null $order
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public function get_categories_with_name_in_exercise($order = null)
 | 
						|
    {
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
 | 
						|
        $table_category = Database::get_course_table(TABLE_QUIZ_CATEGORY);
 | 
						|
        $sql = "SELECT * FROM $table qc INNER JOIN $table_category c ON (category_id = c.iid)
 | 
						|
                WHERE exercise_id = {$this->id} AND qc.c_id = {$this->course_id} ";
 | 
						|
        if (!empty($order)) {
 | 
						|
            $sql .= "ORDER BY $order ";
 | 
						|
        }
 | 
						|
        $result = Database::query($sql);
 | 
						|
        if (Database::num_rows($result)) {
 | 
						|
             while ($row = Database::fetch_array($result, 'ASSOC')) {
 | 
						|
                $list[$row['category_id']] = $row;
 | 
						|
            }
 | 
						|
            return $list;
 | 
						|
        }
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get total number of question that will be parsed when using the category/exercise
 | 
						|
     */
 | 
						|
    public function getNumberQuestionExerciseCategory()
 | 
						|
    {
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
 | 
						|
        if (!empty($this->id)) {
 | 
						|
            $sql = "SELECT SUM(count_questions) count_questions FROM $table
 | 
						|
                    WHERE exercise_id = {$this->id} AND c_id = {$this->course_id}";
 | 
						|
            $result = Database::query($sql);
 | 
						|
            if (Database::num_rows($result)) {
 | 
						|
                $row = Database::fetch_array($result);
 | 
						|
                return $row['count_questions'];
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Save categories in the TABLE_QUIZ_REL_CATEGORY table
 | 
						|
     * @param array $categories
 | 
						|
     */
 | 
						|
    public function save_categories_in_exercise($categories)
 | 
						|
    {
 | 
						|
        if (!empty($categories) && !empty($this->id)) {
 | 
						|
            $table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
 | 
						|
            $sql = "DELETE FROM $table WHERE exercise_id = {$this->id} AND c_id = {$this->course_id}";
 | 
						|
            Database::query($sql);
 | 
						|
            if (!empty($categories)) {
 | 
						|
                foreach ($categories as $category_id => $count_questions) {
 | 
						|
                    $params = array(
 | 
						|
                        'c_id' => $this->course_id,
 | 
						|
                        'exercise_id' => $this->id,
 | 
						|
                        'category_id' => $category_id,
 | 
						|
                        'count_questions' => $count_questions
 | 
						|
                    );
 | 
						|
                    Database::insert($table, $params);
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Returns a HTML link when the exercise ends (exercise result page)
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function returnEndButtonHTML()
 | 
						|
    {
 | 
						|
        $endButtonSetting = $this->selectEndButton();
 | 
						|
        $html = '';
 | 
						|
        switch ($endButtonSetting) {
 | 
						|
            case '0':
 | 
						|
                $html = Display::url(get_lang('ReturnToCourseHomepage'), api_get_course_url(), array('class' => 'btn btn-large'));
 | 
						|
                break;
 | 
						|
            case '1':
 | 
						|
                $html = Display::url(get_lang('ReturnToExerciseList'), api_get_path(WEB_CODE_PATH).'exercice/exercice.php?'.api_get_cidreq(), array('class' => 'btn btn-large'));
 | 
						|
                break;
 | 
						|
            case '2':
 | 
						|
                global $app;
 | 
						|
                $url = $app['url_generator']->generate('admin_logout');
 | 
						|
                $html = Display::url(get_lang('Logout'), $url, array('class' => 'btn btn-large'));
 | 
						|
                break;
 | 
						|
        }
 | 
						|
        return $html;
 | 
						|
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets a list of numbers with links to the questions, like a pagination. If there are categories associated,
 | 
						|
     * the list is organized by categories.
 | 
						|
     *
 | 
						|
     * @param int $exe_id
 | 
						|
     * @param array $questionList
 | 
						|
     * @param array $questionListFlatten
 | 
						|
     * @param array $remindList
 | 
						|
     * @param int $reminder
 | 
						|
     * @param int $remindQuestionId
 | 
						|
     * @param string $url
 | 
						|
     * @param int $current_question
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function getProgressPagination(
 | 
						|
        $exe_id,
 | 
						|
        $questionList,
 | 
						|
        $questionListFlatten,
 | 
						|
        $remindList,
 | 
						|
        $reminder,
 | 
						|
        $remindQuestionId,
 | 
						|
        $url,
 | 
						|
        $current_question
 | 
						|
    ) {
 | 
						|
        $exercise_result = getAnsweredQuestionsFromAttempt($exe_id, $this);
 | 
						|
 | 
						|
        $fixedRemindList = array();
 | 
						|
        if (!empty($remindList)) {
 | 
						|
            foreach ($questionListFlatten as $questionId) {
 | 
						|
                if (in_array($questionId, $remindList)) {
 | 
						|
                    $fixedRemindList[] = $questionId;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if (isset($reminder) && $reminder == 2) {
 | 
						|
            $values = array_flip($questionListFlatten);
 | 
						|
            if (!empty($current_question)) {
 | 
						|
                $current_question = isset($values[$remindQuestionId]) ? $values[$remindQuestionId] + 1 : $values[$fixedRemindList[0]] +1;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $categoryList = Session::read('categoryList');
 | 
						|
        $categoryList = null;
 | 
						|
 | 
						|
        if (empty($categoryList)) {
 | 
						|
            $categoryList = $this->getListOfCategoriesWithQuestionForTest();
 | 
						|
            Session::write('categoryList', $categoryList);
 | 
						|
        }
 | 
						|
 | 
						|
        //var_dump($categoryList);
 | 
						|
 | 
						|
        $html = '<div class="row" id="exercise_progress_block">';
 | 
						|
        $html .= '<div class="span2" id="exercise_progress_legend">';
 | 
						|
 | 
						|
        $reviewAnswerLabel = null;
 | 
						|
        if ($this->review_answers) {
 | 
						|
            $reviewAnswerLabel = Display::label(sprintf(get_lang('ToReviewZ'),'c'), 'warning').'<br />';
 | 
						|
        }
 | 
						|
        $currentAnswerLabel = null;
 | 
						|
        if (!empty($current_question)) {
 | 
						|
            $currentAnswerLabel = Display::label(sprintf(get_lang('CurrentQuestionZ'),'d'), 'info');
 | 
						|
        }
 | 
						|
        // Count the number of answered, unanswered and 'for review' questions - see BT#6523
 | 
						|
        $numa = count(array_flip(array_merge($exercise_result,$remindList)));
 | 
						|
        $numu = count($questionListFlatten)-$numa;
 | 
						|
        $numr = count($remindList);
 | 
						|
        $html .= Display::label(sprintf(get_lang('AnsweredZ'),'a'), 'success').'<br />'.Display::label(sprintf(get_lang('UnansweredZ'),'b')).'<br />'.
 | 
						|
                 $reviewAnswerLabel.$currentAnswerLabel.
 | 
						|
                 '<br /><br />'.
 | 
						|
                 sprintf(get_lang('AnsweredXYZ'),str_pad($numa,2,'0',STR_PAD_LEFT),'a','c').'<br />'.
 | 
						|
                 sprintf(get_lang('UnansweredXYZ'),str_pad($numu,2,'0',STR_PAD_LEFT),'b').'<br />'.
 | 
						|
                 sprintf(get_lang('ToReviewXYZ'),str_pad($numr,2,'0',STR_PAD_LEFT),'c').'<br />'.
 | 
						|
                 '</div>';
 | 
						|
 | 
						|
        $conditions = array();
 | 
						|
        $conditions[] = array("class" => 'answered', 'items' => $exercise_result);
 | 
						|
        $conditions[] = array("class" => 'remind', 'mode' => 'overwrite', 'items' => $remindList);
 | 
						|
 | 
						|
        $link = $url.'&num=';
 | 
						|
 | 
						|
        $html .= '<div class="span10" id="exercise_progress_bars">';
 | 
						|
        if (!empty($categoryList)) {
 | 
						|
            $html .= $this->progressExercisePaginationBarWithCategories($categoryList, $current_question, $conditions, $link);
 | 
						|
        } else {
 | 
						|
            $html .= $this->progressExercisePaginationBar($questionList, $current_question, $conditions, $link);
 | 
						|
        }
 | 
						|
        $html .= '</div>';
 | 
						|
        $html .= '</div>';
 | 
						|
        return $html;
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param array media question array
 | 
						|
     * @return array question list (flatten not grouped by Medias)
 | 
						|
     */
 | 
						|
    public function getListOfCategoriesWithQuestionForTest()
 | 
						|
    {
 | 
						|
        $newMediaList = array();
 | 
						|
        $mediaQuestions = $this->getMediaList();
 | 
						|
        foreach ($mediaQuestions as $mediaId => $questionMediaList) {
 | 
						|
            foreach ($questionMediaList as $questionId) {
 | 
						|
                $newMediaList[$questionId] = $mediaId;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        $categoryList = $this->categoryWithQuestionList;
 | 
						|
        $categoriesWithQuestion = array();
 | 
						|
 | 
						|
        if (!empty($categoryList)) {
 | 
						|
            foreach ($categoryList as $categoryId => $category) {
 | 
						|
                $categoriesWithQuestion[$categoryId] = $category['category'];
 | 
						|
                $categoriesWithQuestion[$categoryId]['question_list'] = $category['question_list'];
 | 
						|
 | 
						|
                if (!empty($newMediaList)) {
 | 
						|
                    foreach ($category['question_list'] as $questionId) {
 | 
						|
                        if (isset($newMediaList[$questionId])) {
 | 
						|
                           $categoriesWithQuestion[$categoryId]['media_question'] = $newMediaList[$questionId];
 | 
						|
                        }  else {
 | 
						|
                           $categoriesWithQuestion[$categoryId]['media_question'] = 999;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return $categoriesWithQuestion;
 | 
						|
    }
 | 
						|
 | 
						|
    public function progressExercisePaginationBar($questionList, $currentQuestion, $conditions, $link)
 | 
						|
    {
 | 
						|
        $mediaQuestions = $this->getMediaList();
 | 
						|
 | 
						|
        $html = '<div class="exercise_pagination pagination pagination-mini"><ul>';
 | 
						|
        $counter = 0;
 | 
						|
        $nextValue = 0;
 | 
						|
        $wasMedia = false;
 | 
						|
        $before = 0;
 | 
						|
        $counterNoMedias = 0;
 | 
						|
        foreach ($questionList as $questionId) {
 | 
						|
            $isCurrent = $currentQuestion == ($counterNoMedias + 1) ? true : false;
 | 
						|
 | 
						|
            if (!empty($nextValue)) {
 | 
						|
                if ($wasMedia) {
 | 
						|
                    $nextValue = $nextValue - $before + 1;
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if (isset($mediaQuestions) && isset($mediaQuestions[$questionId])) {
 | 
						|
                $fixedValue = $counterNoMedias;
 | 
						|
 | 
						|
                $html .= Display::progressPaginationBar(
 | 
						|
                    $nextValue,
 | 
						|
                    $mediaQuestions[$questionId],
 | 
						|
                    $currentQuestion,
 | 
						|
                    $fixedValue,
 | 
						|
                    $conditions,
 | 
						|
                    $link,
 | 
						|
                    true,
 | 
						|
                    true
 | 
						|
                );
 | 
						|
                $counter += count($mediaQuestions[$questionId]) - 1 ;
 | 
						|
                $before = count($questionList);
 | 
						|
                $wasMedia = true;
 | 
						|
                $nextValue += count($questionList);
 | 
						|
            } else {
 | 
						|
                $html .= Display::parsePaginationItem($questionId, $isCurrent, $conditions, $link, $counter);
 | 
						|
                $counter++;
 | 
						|
                $nextValue++;
 | 
						|
                $wasMedia = false;
 | 
						|
            }
 | 
						|
            $counterNoMedias++;
 | 
						|
        }
 | 
						|
        $html .= '</ul></div>';
 | 
						|
        return $html;
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    /**
 | 
						|
     *  Shows a list of numbers that represents the question to answer in a exercise
 | 
						|
     *
 | 
						|
     * @param array $categories
 | 
						|
     * @param int $current
 | 
						|
     * @param array $conditions
 | 
						|
     * @param string $link
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function progressExercisePaginationBarWithCategories($categories, $current, $conditions = array(), $link = null)
 | 
						|
    {
 | 
						|
        $html = null;
 | 
						|
        $counterNoMedias = 0;
 | 
						|
        $nextValue = 0;
 | 
						|
        $wasMedia = false;
 | 
						|
        $before = 0;
 | 
						|
 | 
						|
        if (!empty($categories)) {
 | 
						|
            $selectionType = $this->getQuestionSelectionType();
 | 
						|
            $useRootAsCategoryTitle = false;
 | 
						|
 | 
						|
            // Grouping questions per parent category see BT#6540
 | 
						|
 | 
						|
            if (in_array(
 | 
						|
                $selectionType,
 | 
						|
                array(
 | 
						|
                    EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_ORDERED,
 | 
						|
                    EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_RANDOM
 | 
						|
                )
 | 
						|
            )) {
 | 
						|
                $useRootAsCategoryTitle = true;
 | 
						|
            }
 | 
						|
 | 
						|
            // If the exercise is set to only show the titles of the categories
 | 
						|
            // at the root of the tree, then pre-order the categories tree by
 | 
						|
            // removing children and summing their questions into the parent
 | 
						|
            // categories
 | 
						|
 | 
						|
            if ($useRootAsCategoryTitle) {
 | 
						|
                // The new categories list starts empty
 | 
						|
                $newCategoryList = array();
 | 
						|
                foreach ($categories as $category) {
 | 
						|
                    /*if ($this->categoryMinusOne) {
 | 
						|
                        $rootElement = $category['id'];
 | 
						|
                    } else {
 | 
						|
 | 
						|
                    }*/
 | 
						|
 | 
						|
                    $rootElement = $category['root'];
 | 
						|
 | 
						|
                    if (isset($category['parent_info'])) {
 | 
						|
                        $rootElement = $category['parent_info']['id'];
 | 
						|
                    }
 | 
						|
 | 
						|
                    //$rootElement = $category['id'];
 | 
						|
                    // If the current category's ancestor was never seen
 | 
						|
                    // before, then declare it and assign the current
 | 
						|
                    // category to it.
 | 
						|
                    if (!isset($newCategoryList[$rootElement])) {
 | 
						|
                        $newCategoryList[$rootElement] = $category;
 | 
						|
                    } else {
 | 
						|
                        // If it was already seen, then merge the previous with
 | 
						|
                        // the current category
 | 
						|
                        $oldQuestionList = $newCategoryList[$rootElement]['question_list'];
 | 
						|
                        $category['question_list'] = array_merge($oldQuestionList , $category['question_list']);
 | 
						|
                        $newCategoryList[$rootElement] = $category;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                // Now use the newly built categories list, with only parents
 | 
						|
                $categories = $newCategoryList;
 | 
						|
            }
 | 
						|
            /*
 | 
						|
            $showCategoriesGrouped = true;
 | 
						|
            if (in_array(
 | 
						|
                $selectionType,
 | 
						|
                array(
 | 
						|
                    EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED,
 | 
						|
                    EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED
 | 
						|
                )
 | 
						|
            )) {
 | 
						|
                $showCategoriesGrouped = false;
 | 
						|
 | 
						|
                if ($showCategoriesGrouped) {
 | 
						|
 | 
						|
                } else {
 | 
						|
                    $globalQuestionList = array();
 | 
						|
                    // @todo test with medias
 | 
						|
                    foreach ($categories as $category) {
 | 
						|
                        // Check if in this category there questions added in a media
 | 
						|
                        $mediaQuestionId = $category['media_question'];
 | 
						|
                        $isMedia = false;
 | 
						|
                        $fixedValue = null;
 | 
						|
 | 
						|
                        // Media exists!
 | 
						|
                        if ($mediaQuestionId != 999) {
 | 
						|
                            $isMedia = true;
 | 
						|
                            $fixedValue = $counterNoMedias;
 | 
						|
                        }
 | 
						|
                        $globalQuestionList = array_merge($globalQuestionList, $category['question_list']);
 | 
						|
                    }
 | 
						|
 | 
						|
                    $html .= '<div class="row">';
 | 
						|
                    $html .= '<div class="span8">';
 | 
						|
 | 
						|
                    $html .= Display::progressPaginationBar(
 | 
						|
                        $nextValue,
 | 
						|
                        $globalQuestionList,
 | 
						|
                        $current,
 | 
						|
                        $fixedValue,
 | 
						|
                        $conditions,
 | 
						|
                        $link,
 | 
						|
                        $isMedia,
 | 
						|
                        true
 | 
						|
                    );
 | 
						|
                    $html .= '</div>';
 | 
						|
                    $html .= '</div>';
 | 
						|
                    return $html;
 | 
						|
 | 
						|
                }
 | 
						|
            }*/
 | 
						|
 | 
						|
            foreach ($categories as $category) {
 | 
						|
                $questionList = $category['question_list'];
 | 
						|
                // Check if in this category there questions added in a media
 | 
						|
                $mediaQuestionId = $category['media_question'];
 | 
						|
                $isMedia = false;
 | 
						|
                $fixedValue = null;
 | 
						|
 | 
						|
                // Media exists!
 | 
						|
                if ($mediaQuestionId != 999) {
 | 
						|
                    $isMedia = true;
 | 
						|
                    $fixedValue = $counterNoMedias;
 | 
						|
                }
 | 
						|
 | 
						|
                //$categoryName = $category['path']; << show the path
 | 
						|
                $categoryName = $category['name'];
 | 
						|
 | 
						|
                if ($useRootAsCategoryTitle) {
 | 
						|
                    if (isset($category['parent_info'])) {
 | 
						|
                        $categoryName  = $category['parent_info']['title'];
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                $html .= '<div class="row">';
 | 
						|
                $html .= '<div class="span2 exercise_progress_bars_cat">'.$categoryName.'</div>';
 | 
						|
                $html .= '<div class="span8 exercise_progress_bars_cat_items">';
 | 
						|
 | 
						|
                if (!empty($nextValue)) {
 | 
						|
                    if ($wasMedia) {
 | 
						|
                        $nextValue = $nextValue - $before + 1;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                $html .= Display::progressPaginationBar(
 | 
						|
                    $nextValue,
 | 
						|
                    $questionList,
 | 
						|
                    $current,
 | 
						|
                    $fixedValue,
 | 
						|
                    $conditions,
 | 
						|
                    $link,
 | 
						|
                    $isMedia,
 | 
						|
                    true
 | 
						|
                );
 | 
						|
                $html .= '</div>';
 | 
						|
                $html .= '</div>';
 | 
						|
 | 
						|
                if ($mediaQuestionId == 999) {
 | 
						|
                    $counterNoMedias += count($questionList);
 | 
						|
                } else {
 | 
						|
                    $counterNoMedias++;
 | 
						|
                }
 | 
						|
 | 
						|
                $nextValue += count($questionList);
 | 
						|
                $before = count($questionList);
 | 
						|
 | 
						|
                if ($mediaQuestionId != 999) {
 | 
						|
                    $wasMedia = true;
 | 
						|
                } else {
 | 
						|
                    $wasMedia = false;
 | 
						|
                }
 | 
						|
 | 
						|
            }
 | 
						|
        }
 | 
						|
        return $html;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Renders a question list
 | 
						|
     *
 | 
						|
     * @param array $questionList (with media questions compressed)
 | 
						|
     * @param int $currentQuestion
 | 
						|
     * @param array $exerciseResult
 | 
						|
     * @param array $attemptList
 | 
						|
     * @param array $remindList
 | 
						|
     */
 | 
						|
    public function renderQuestionList($questionList, $currentQuestion, $exerciseResult, $attemptList, $remindList)
 | 
						|
    {
 | 
						|
        $mediaQuestions = $this->getMediaList();
 | 
						|
        $i = 0;
 | 
						|
 | 
						|
        // Normal question list render (medias compressed)
 | 
						|
        foreach ($questionList as $questionId) {
 | 
						|
            $i++;
 | 
						|
            // For sequential exercises
 | 
						|
 | 
						|
            if ($this->type == ONE_PER_PAGE) {
 | 
						|
                // If it is not the right question, goes to the next loop iteration
 | 
						|
                if ($currentQuestion != $i) {
 | 
						|
                    continue;
 | 
						|
                } else {
 | 
						|
                    if ($this->feedback_type != EXERCISE_FEEDBACK_TYPE_DIRECT) {
 | 
						|
                        // if the user has already answered this question
 | 
						|
                        if (isset($exerciseResult[$questionId])) {
 | 
						|
                            Display::display_normal_message(get_lang('AlreadyAnswered'));
 | 
						|
                            break;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            // The $questionList contains the media id we check if this questionId is a media question type
 | 
						|
 | 
						|
            if (isset($mediaQuestions[$questionId]) && $mediaQuestions[$questionId] != 999) {
 | 
						|
 | 
						|
                // The question belongs to a media
 | 
						|
                $mediaQuestionList = $mediaQuestions[$questionId];
 | 
						|
                $objQuestionTmp = Question::read($questionId);
 | 
						|
 | 
						|
                $counter = 1;
 | 
						|
                if ($objQuestionTmp->type == MEDIA_QUESTION) {
 | 
						|
                    echo $objQuestionTmp->show_media_content();
 | 
						|
 | 
						|
                    $countQuestionsInsideMedia = count($mediaQuestionList);
 | 
						|
 | 
						|
                    // Show questions that belongs to a media
 | 
						|
                    if (!empty($mediaQuestionList)) {
 | 
						|
                        // In order to parse media questions we use letters a, b, c, etc.
 | 
						|
                        $letterCounter = 97;
 | 
						|
                        foreach ($mediaQuestionList as $questionIdInsideMedia) {
 | 
						|
                            $isLastQuestionInMedia = false;
 | 
						|
                            if ($counter == $countQuestionsInsideMedia) {
 | 
						|
                                $isLastQuestionInMedia = true;
 | 
						|
                            }
 | 
						|
                            $this->renderQuestion(
 | 
						|
                                $questionIdInsideMedia,
 | 
						|
                                $attemptList,
 | 
						|
                                $remindList,
 | 
						|
                                chr($letterCounter),
 | 
						|
                                $currentQuestion,
 | 
						|
                                $mediaQuestionList,
 | 
						|
                                $isLastQuestionInMedia,
 | 
						|
                                $questionList
 | 
						|
                            );
 | 
						|
                            $letterCounter++;
 | 
						|
                            $counter++;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                } else {
 | 
						|
                    $this->renderQuestion(
 | 
						|
                        $questionId,
 | 
						|
                        $attemptList,
 | 
						|
                        $remindList,
 | 
						|
                        $i,
 | 
						|
                        $currentQuestion,
 | 
						|
                        null,
 | 
						|
                        null,
 | 
						|
                        $questionList
 | 
						|
                    );
 | 
						|
                    $i++;
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                // Normal question render.
 | 
						|
                $this->renderQuestion($questionId, $attemptList, $remindList, $i, $currentQuestion, null, null, $questionList);
 | 
						|
            }
 | 
						|
 | 
						|
            // For sequential exercises.
 | 
						|
            if ($this->type == ONE_PER_PAGE) {
 | 
						|
                // quits the loop
 | 
						|
                break;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        // end foreach()
 | 
						|
 | 
						|
        if ($this->type == ALL_ON_ONE_PAGE) {
 | 
						|
            $exercise_actions =  $this->show_button($questionId, $currentQuestion);
 | 
						|
            echo Display::div($exercise_actions, array('class'=>'exercise_actions'));
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $questionId
 | 
						|
     * @param array $attemptList
 | 
						|
     * @param array $remindList
 | 
						|
     * @param int $i
 | 
						|
     * @param int $current_question
 | 
						|
     * @param array $questions_in_media
 | 
						|
     * @param bool $last_question_in_media
 | 
						|
     * @param array $realQuestionList
 | 
						|
     * @param bool $generateJS
 | 
						|
     * @return null
 | 
						|
     */
 | 
						|
    public function renderQuestion(
 | 
						|
        $questionId,
 | 
						|
        $attemptList,
 | 
						|
        $remindList,
 | 
						|
        $i,
 | 
						|
        $current_question,
 | 
						|
        $questions_in_media = array(),
 | 
						|
        $last_question_in_media = false,
 | 
						|
        $realQuestionList,
 | 
						|
        $generateJS = true
 | 
						|
    ) {
 | 
						|
 | 
						|
        // With this option on the question is loaded via AJAX
 | 
						|
        //$generateJS = true;
 | 
						|
        //$this->loadQuestionAJAX = true;
 | 
						|
 | 
						|
        if ($generateJS && $this->loadQuestionAJAX) {
 | 
						|
            $url = api_get_path(WEB_AJAX_PATH).'exercise.ajax.php?a=get_question&id='.$questionId;
 | 
						|
            $params = array(
 | 
						|
                'questionId' => $questionId,
 | 
						|
                'attemptList'=> $attemptList,
 | 
						|
                'remindList' => $remindList,
 | 
						|
                'i' => $i,
 | 
						|
                'current_question' => $current_question,
 | 
						|
                'questions_in_media' => $questions_in_media,
 | 
						|
                'last_question_in_media' => $last_question_in_media
 | 
						|
            );
 | 
						|
            $params = json_encode($params);
 | 
						|
 | 
						|
            $script = '<script>
 | 
						|
            $(function(){
 | 
						|
                var params = '.$params.';
 | 
						|
                $.ajax({
 | 
						|
                    type: "GET",
 | 
						|
                    async: false,
 | 
						|
                    data: params,
 | 
						|
                    url: "'.$url.'",
 | 
						|
                    success: function(return_value) {
 | 
						|
                        $("#ajaxquestiondiv'.$questionId.'").html(return_value);
 | 
						|
                    }
 | 
						|
                });
 | 
						|
            });
 | 
						|
            </script>
 | 
						|
            <div id="ajaxquestiondiv'.$questionId.'"></div>';
 | 
						|
            echo $script;
 | 
						|
        } else {
 | 
						|
 | 
						|
            global $origin;
 | 
						|
            $question_obj = Question::read($questionId);
 | 
						|
            $user_choice = isset($attemptList[$questionId]) ? $attemptList[$questionId] : null;
 | 
						|
 | 
						|
            $remind_highlight = null;
 | 
						|
 | 
						|
            //Hides questions when reviewing a ALL_ON_ONE_PAGE exercise see #4542 no_remind_highlight class hide with jquery
 | 
						|
            if ($this->type == ALL_ON_ONE_PAGE && isset($_GET['reminder']) && $_GET['reminder'] == 2) {
 | 
						|
                $remind_highlight = 'no_remind_highlight';
 | 
						|
                if (in_array($question_obj->type, Question::question_type_no_review())) {
 | 
						|
                    return null;
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            $attributes = array('id' =>'remind_list['.$questionId.']');
 | 
						|
            if (is_array($remindList) && in_array($questionId, $remindList)) {
 | 
						|
                //$attributes['checked'] = 1;
 | 
						|
                //$remind_highlight = ' remind_highlight ';
 | 
						|
            }
 | 
						|
 | 
						|
            // Showing the question
 | 
						|
 | 
						|
            $exercise_actions  = null;
 | 
						|
 | 
						|
            echo '<a id="questionanchor'.$questionId.'"></a><br />';
 | 
						|
            echo '<div id="question_div_'.$questionId.'" class="main_question '.$remind_highlight.'" >';
 | 
						|
 | 
						|
            // Shows the question + possible answers
 | 
						|
            $showTitle = $this->getHideQuestionTitle() == 1 ? false : true;
 | 
						|
            echo $this->showQuestion($question_obj, false, $origin, $i, $showTitle, false, $user_choice, false, null, false, $this->getModelType(), $this->categoryMinusOne);
 | 
						|
 | 
						|
            // Button save and continue
 | 
						|
            switch ($this->type) {
 | 
						|
                case ONE_PER_PAGE:
 | 
						|
                    $exercise_actions .= $this->show_button($questionId, $current_question, null, $remindList);
 | 
						|
                    break;
 | 
						|
                case ALL_ON_ONE_PAGE:
 | 
						|
                    $button  = '<a href="javascript://" class="btn" onclick="save_now(\''.$questionId.'\', null, true, 1); ">'.get_lang('SaveForNow').'</a>';
 | 
						|
                    $button .= '<span id="save_for_now_'.$questionId.'" class="exercise_save_mini_message"></span> ';
 | 
						|
                    $exercise_actions .= Display::div($button, array('class'=>'exercise_save_now_button'));
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
 | 
						|
            if (!empty($questions_in_media)) {
 | 
						|
                $count_of_questions_inside_media = count($questions_in_media);
 | 
						|
                if ($count_of_questions_inside_media > 1) {
 | 
						|
                    $button  = '<a href="javascript://" class="btn" onclick="save_now(\''.$questionId.'\', false, false, 0); ">'.get_lang('SaveForNow').'</a>';
 | 
						|
                    $button .= '<span id="save_for_now_'.$questionId.'" class="exercise_save_mini_message"></span> ';
 | 
						|
                    $exercise_actions = Display::div($button, array('class'=>'exercise_save_now_button'));
 | 
						|
                }
 | 
						|
 | 
						|
                if ($last_question_in_media && $this->type == ONE_PER_PAGE) {
 | 
						|
                    $exercise_actions = $this->show_button($questionId, $current_question, $questions_in_media);
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            // Checkbox review answers
 | 
						|
            if ($this->review_answers && !in_array($question_obj->type, Question::question_type_no_review())) {
 | 
						|
                $remind_question_div = Display::tag('label', Display::input('checkbox', 'remind_list['.$questionId.']', '', $attributes).get_lang('ReviewQuestionLater'), array('class' => 'checkbox', 'for' =>'remind_list['.$questionId.']'));
 | 
						|
                $exercise_actions   .= Display::div($remind_question_div, array('class'=>'exercise_save_now_button'));
 | 
						|
            }
 | 
						|
 | 
						|
            echo Display::div(' ', array('class'=>'clear'));
 | 
						|
 | 
						|
            $paginationCounter = null;
 | 
						|
            if ($this->type == ONE_PER_PAGE) {
 | 
						|
                if (empty($questions_in_media)) {
 | 
						|
                    $paginationCounter = Display::paginationIndicator($current_question, count($realQuestionList));
 | 
						|
                } else {
 | 
						|
                    if ($last_question_in_media) {
 | 
						|
                        $paginationCounter = Display::paginationIndicator($current_question, count($realQuestionList));
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            echo '<div class="row"><div class="pull-right">'.$paginationCounter.'</div></div>';
 | 
						|
            echo Display::div($exercise_actions, array('class'=>'form-actions'));
 | 
						|
            echo '</div>';
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $exeId
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public function returnQuestionListByAttempt($exeId)
 | 
						|
    {
 | 
						|
        return $this->displayQuestionListByAttempt($exeId, false, true);
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    /**
 | 
						|
     * Display the exercise results
 | 
						|
     * @param int   attempt id (exe_id)
 | 
						|
     * @param bool  save users results (true) or just show the results (false)
 | 
						|
     * @param bool return array with exercise result info
 | 
						|
     * @param mixed
 | 
						|
     */
 | 
						|
    public function displayQuestionListByAttempt($exe_id, $saveUserResult = false, $returnExerciseResult = false)
 | 
						|
    {
 | 
						|
        global $origin, $debug;
 | 
						|
 | 
						|
        //Getting attempt info
 | 
						|
        $exercise_stat_info = $this->getStatTrackExerciseInfoByExeId($exe_id);
 | 
						|
 | 
						|
        //Getting question list
 | 
						|
        $question_list = array();
 | 
						|
        if (!empty($exercise_stat_info['data_tracking'])) {
 | 
						|
            $question_list = explode(',', $exercise_stat_info['data_tracking']);
 | 
						|
        } else {
 | 
						|
            //Try getting the question list only if save result is off
 | 
						|
            if ($saveUserResult == false) {
 | 
						|
                $question_list = $this->selectQuestionList();
 | 
						|
            }
 | 
						|
            error_log("Data tracking is empty! exe_id: $exe_id");
 | 
						|
        }
 | 
						|
 | 
						|
        $counter = 1;
 | 
						|
        $total_score = 0;
 | 
						|
        $total_weight = 0;
 | 
						|
 | 
						|
        $exercise_content = null;
 | 
						|
 | 
						|
        //Hide results
 | 
						|
        $show_results = false;
 | 
						|
        $show_only_score = false;
 | 
						|
 | 
						|
        if ($this->results_disabled == RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS) {
 | 
						|
            $show_results = true;
 | 
						|
        }
 | 
						|
 | 
						|
        if (in_array($this->results_disabled, array(RESULT_DISABLE_SHOW_SCORE_ONLY, RESULT_DISABLE_SHOW_FINAL_SCORE_ONLY_WITH_CATEGORIES))) {
 | 
						|
            $show_only_score = true;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($show_results || $show_only_score) {
 | 
						|
            $user_info = api_get_user_info($exercise_stat_info['exe_user_id']);
 | 
						|
            // Shows exercise header.
 | 
						|
            echo $this->show_exercise_result_header($user_info['complete_name'], api_convert_and_format_date($exercise_stat_info['start_date'], DATE_TIME_FORMAT_LONG), $exercise_stat_info['duration']);
 | 
						|
        }
 | 
						|
 | 
						|
        // Display text when test is finished #4074 and for LP #4227
 | 
						|
        $end_of_message = $this->selectTextWhenFinished();
 | 
						|
        if (!empty($end_of_message)) {
 | 
						|
            Display::display_normal_message($end_of_message, false);
 | 
						|
            echo "<div class='clear'> </div>";
 | 
						|
        }
 | 
						|
 | 
						|
        $question_list_answers = array();
 | 
						|
        $media_list = array();
 | 
						|
        $category_list = array();
 | 
						|
        $tempParentId = null;
 | 
						|
        $mediaCounter = 0;
 | 
						|
 | 
						|
        $exerciseResultInfo = array();
 | 
						|
 | 
						|
        // Loop over all question to show results for each of them, one by one
 | 
						|
        if (!empty($question_list)) {
 | 
						|
            if ($debug) {
 | 
						|
                error_log('Looping question_list '.print_r($question_list, 1));
 | 
						|
            }
 | 
						|
 | 
						|
            foreach ($question_list as $questionId) {
 | 
						|
 | 
						|
                // Creates a temporary Question object
 | 
						|
                $objQuestionTmp = Question::read($questionId);
 | 
						|
 | 
						|
                // This variable commes from exercise_submit_modal.php
 | 
						|
                ob_start();
 | 
						|
                $hotspot_delineation_result = null;
 | 
						|
 | 
						|
                // We're inside *one* question. Go through each possible answer for this question
 | 
						|
                $result = $this->manageAnswers(
 | 
						|
                    $exercise_stat_info['exe_id'],
 | 
						|
                    $questionId,
 | 
						|
                    null,
 | 
						|
                    'exercise_result',
 | 
						|
                    array(),
 | 
						|
                    $saveUserResult,
 | 
						|
                    true,
 | 
						|
                    $show_results,
 | 
						|
                    $hotspot_delineation_result
 | 
						|
                );
 | 
						|
 | 
						|
                if (empty($result)) {
 | 
						|
                    continue;
 | 
						|
                }
 | 
						|
 | 
						|
                $total_score += $result['score'];
 | 
						|
                $total_weight += $result['weight'];
 | 
						|
 | 
						|
                $question_list_answers[] = array(
 | 
						|
                    'question' => $result['open_question'],
 | 
						|
                    'answer' => $result['open_answer'],
 | 
						|
                    'answer_type' => $result['answer_type']
 | 
						|
                );
 | 
						|
 | 
						|
                $my_total_score = $result['score'];
 | 
						|
                $my_total_weight = $result['weight'];
 | 
						|
 | 
						|
                // Category report
 | 
						|
                $category_was_added_for_this_test = false;
 | 
						|
                $categoryExerciseList = $this->getListOfCategoriesWithQuestionForTest();
 | 
						|
 | 
						|
                $category_list = array();
 | 
						|
                if (isset($categoryExerciseList) && !empty($categoryExerciseList)) {
 | 
						|
                    foreach ($categoryExerciseList as $category_id => $categoryInfo) {
 | 
						|
                        if (!isset($category_list[$category_id])) {
 | 
						|
                            $category_list[$category_id] = array();
 | 
						|
                            $category_list[$category_id]['score'] = 0;
 | 
						|
                            $category_list[$category_id]['total'] = 0;
 | 
						|
                        }
 | 
						|
                        $category_list[$category_id]['score'] += $my_total_score;
 | 
						|
                        $category_list[$category_id]['total'] += $my_total_weight;
 | 
						|
                        $category_was_added_for_this_test = true;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                // No category for this question!
 | 
						|
                if ($category_was_added_for_this_test == false) {
 | 
						|
                    if (!isset($category_list['none'])) {
 | 
						|
                        $category_list['none'] = array();
 | 
						|
                        $category_list['none']['score'] = 0;
 | 
						|
                        $category_list['none']['total'] = 0;
 | 
						|
                    }
 | 
						|
 | 
						|
                    $category_list['none']['score'] += $my_total_score;
 | 
						|
                    $category_list['none']['total'] += $my_total_weight;
 | 
						|
                }
 | 
						|
 | 
						|
                if ($this->selectPropagateNeg() == 0 && $my_total_score < 0) {
 | 
						|
                    $my_total_score = 0;
 | 
						|
                }
 | 
						|
 | 
						|
                $comnt = null;
 | 
						|
                if ($show_results) {
 | 
						|
                    $comnt = get_comments($exe_id, $questionId);
 | 
						|
                    if (!empty($comnt)) {
 | 
						|
                        echo '<b>'.get_lang('Feedback').'</b>';
 | 
						|
                        echo '<div id="question_feedback">'.$comnt.'</div>';
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                $score = array();
 | 
						|
                $score['result'] = get_lang('Score')." : ".ExerciseLib::show_score($my_total_score, $my_total_weight, false, true);
 | 
						|
                $score['pass'] = $my_total_score >= $my_total_weight ? true : false;
 | 
						|
                $score['score'] = $my_total_score;
 | 
						|
                $score['weight'] = $my_total_weight;
 | 
						|
                $score['comments'] = $comnt;
 | 
						|
 | 
						|
                $exerciseResultInfo[$questionId]['score'] = $score;
 | 
						|
                $exerciseResultInfo[$questionId]['details'] = $result;
 | 
						|
 | 
						|
                // If no results we hide the results
 | 
						|
                if ($show_results == false) {
 | 
						|
                    $score = array();
 | 
						|
                }
 | 
						|
                $contents = ob_get_clean();
 | 
						|
 | 
						|
                $question_content = '<div class="question_row">';
 | 
						|
 | 
						|
                if ($show_results) {
 | 
						|
 | 
						|
                    $show_media = false;
 | 
						|
                    $counterToShow = $counter;
 | 
						|
                    if ($objQuestionTmp->parent_id != 0) {
 | 
						|
 | 
						|
                        if (!in_array($objQuestionTmp->parent_id, $media_list)) {
 | 
						|
                            $media_list[] = $objQuestionTmp->parent_id;
 | 
						|
                            $show_media = true;
 | 
						|
                        }
 | 
						|
                        if ($tempParentId == $objQuestionTmp->parent_id) {
 | 
						|
                            $mediaCounter++;
 | 
						|
                        } else {
 | 
						|
                            $mediaCounter = 0;
 | 
						|
                        }
 | 
						|
                        $counterToShow = chr(97 + $mediaCounter);
 | 
						|
                        $tempParentId = $objQuestionTmp->parent_id;
 | 
						|
                    }
 | 
						|
 | 
						|
                    // Shows question title an description.
 | 
						|
                    $question_content .= $objQuestionTmp->return_header(null, $counterToShow, $score, $show_media, $this->getHideQuestionTitle());
 | 
						|
 | 
						|
                    // display question category, if any
 | 
						|
                    $question_content .= Testcategory::getCategoryNamesForQuestion($questionId, null, true, $this->categoryMinusOne);
 | 
						|
                }
 | 
						|
                $counter++;
 | 
						|
 | 
						|
                $question_content .= $contents;
 | 
						|
                $question_content .= '</div>';
 | 
						|
 | 
						|
                $exercise_content .= $question_content;
 | 
						|
            } // end foreach() block that loops over all questions
 | 
						|
        }
 | 
						|
 | 
						|
        $total_score_text = null;
 | 
						|
 | 
						|
        if ($returnExerciseResult) {
 | 
						|
            return $exerciseResultInfo;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($origin != 'learnpath') {
 | 
						|
            if ($show_results || $show_only_score) {
 | 
						|
                $total_score_text .= '<div class="question_row">';
 | 
						|
                $total_score_text .= $this->get_question_ribbon($total_score, $total_weight, true);
 | 
						|
                $total_score_text .= '</div>';
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($category_list) && ($show_results || $show_only_score)) {
 | 
						|
            //Adding total
 | 
						|
            $category_list['total'] = array('score' => $total_score, 'total' => $total_weight);
 | 
						|
            echo Testcategory::get_stats_table_by_attempt($this->id, $category_list, $this->categoryMinusOne);
 | 
						|
        }
 | 
						|
 | 
						|
        echo $total_score_text;
 | 
						|
        echo $exercise_content;
 | 
						|
 | 
						|
        if (!$show_only_score) {
 | 
						|
            echo $total_score_text;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($saveUserResult) {
 | 
						|
 | 
						|
            // Tracking of results
 | 
						|
            $learnpath_id = $exercise_stat_info['orig_lp_id'];
 | 
						|
            $learnpath_item_id = $exercise_stat_info['orig_lp_item_id'];
 | 
						|
            $learnpath_item_view_id = $exercise_stat_info['orig_lp_item_view_id'];
 | 
						|
 | 
						|
            if (api_is_allowed_to_session_edit()) {
 | 
						|
                update_event_exercise(
 | 
						|
                    $exercise_stat_info['exe_id'],
 | 
						|
                    $this->selectId(),
 | 
						|
                    $total_score,
 | 
						|
                    $total_weight,
 | 
						|
                    api_get_session_id(),
 | 
						|
                    $learnpath_id,
 | 
						|
                    $learnpath_item_id,
 | 
						|
                    $learnpath_item_view_id,
 | 
						|
                    $exercise_stat_info['exe_duration'],
 | 
						|
                    '',
 | 
						|
                    array()
 | 
						|
                );
 | 
						|
 | 
						|
                $log_transactions_settings = TransactionLog::getTransactionSettings();
 | 
						|
                if (isset($log_transactions_settings['exercise_attempt'])) {
 | 
						|
                    $transaction_controller = new TransactionLogController();
 | 
						|
                    $transaction = $transaction_controller->loadOne(array(
 | 
						|
                        'action' => 'exercise_attempt',
 | 
						|
                        'branch_id' => TransactionLog::BRANCH_LOCAL,
 | 
						|
                        'item_id' => $exercise_stat_info['exe_id'],
 | 
						|
                        )
 | 
						|
                    );
 | 
						|
                    if (!$transaction) {
 | 
						|
                        $transaction_data = array(
 | 
						|
                            'item_id' => $exercise_stat_info['exe_id'],
 | 
						|
                        );
 | 
						|
                        $transaction = $transaction_controller->createTransaction('exercise_attempt', $transaction_data);
 | 
						|
                    }
 | 
						|
                    $transaction->save();
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            // Send notification.
 | 
						|
            if (!api_is_allowed_to_edit(null, true)) {
 | 
						|
                $this->sendCustomNotification($exe_id, $exerciseResultInfo);
 | 
						|
                $this->sendNotificationForOpenQuestions($question_list_answers, $origin, $exe_id);
 | 
						|
                $this->sendNotificationForOralQuestions($question_list_answers, $origin, $exe_id);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Returns an HTML ribbon to show on top of the exercise result, with
 | 
						|
     * colouring depending on the success or failure of the student
 | 
						|
     * @param $score
 | 
						|
     * @param $weight
 | 
						|
     * @param bool $check_pass_percentage
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public function get_question_ribbon($score, $weight, $check_pass_percentage = false)
 | 
						|
    {
 | 
						|
        $ribbon = '<div class="ribbon">';
 | 
						|
        if ($check_pass_percentage) {
 | 
						|
            $is_success = ExerciseLib::is_success_exercise_result($score, $weight, $this->selectPassPercentage());
 | 
						|
            // Color the final test score if pass_percentage activated
 | 
						|
            $ribbon_total_success_or_error = "";
 | 
						|
            if (ExerciseLib::is_pass_pourcentage_enabled($this->selectPassPercentage())) {
 | 
						|
                if ($is_success) {
 | 
						|
                    $ribbon_total_success_or_error = ' ribbon-total-success';
 | 
						|
                } else {
 | 
						|
                    $ribbon_total_success_or_error = ' ribbon-total-error';
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $ribbon .= '<div class="rib rib-total '.$ribbon_total_success_or_error.'">';
 | 
						|
        } else {
 | 
						|
            $ribbon .= '<div class="rib rib-total">';
 | 
						|
        }
 | 
						|
        $ribbon .= '<h3>'.get_lang('YourTotalScore').": ";
 | 
						|
        $ribbon .= ExerciseLib::show_score($score, $weight, false, true);
 | 
						|
        $ribbon .= '</h3>';
 | 
						|
        $ribbon .= '</div>';
 | 
						|
        if ($check_pass_percentage) {
 | 
						|
            $ribbon .= ExerciseLib::show_success_message($score, $weight, $this->selectPassPercentage());
 | 
						|
        }
 | 
						|
        $ribbon .= '</div>';
 | 
						|
        return $ribbon;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Returns an array of categories' details for the questions of the current
 | 
						|
     * exercise.
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public function getQuestionWithCategories()
 | 
						|
    {
 | 
						|
        $categoryTable = Database::get_course_table(TABLE_QUIZ_CATEGORY);
 | 
						|
        $categoryRelTable = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
 | 
						|
        $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
 | 
						|
        $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
 | 
						|
        $sql = "SELECT DISTINCT cat.*
 | 
						|
                FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
 | 
						|
                    ON (e.question_id = q.iid and e.c_id = {$this->course_id})
 | 
						|
                    INNER JOIN $categoryRelTable catRel
 | 
						|
                    ON (catRel.question_id = e.question_id)
 | 
						|
                    INNER JOIN $categoryTable cat
 | 
						|
                    ON (cat.iid = catRel.category_id)
 | 
						|
                WHERE e.c_id = {$this->course_id} AND e.exercice_id	= ".Database::escape_string($this->id);
 | 
						|
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $categoriesInExercise = array();
 | 
						|
        if (Database::num_rows($result)) {
 | 
						|
            $categoriesInExercise = Database::store_result($result, 'ASSOC');
 | 
						|
        }
 | 
						|
        return $categoriesInExercise;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Shows a question
 | 
						|
     * @param Question $objQuestionTmp
 | 
						|
     * @param bool $only_questions if true only show the questions, no exercise title
 | 
						|
     * @param bool $origin origin i.e = learnpath
 | 
						|
     * @param string $current_item current item from the list of questions
 | 
						|
     * @param bool $show_title
 | 
						|
     * @param bool $freeze
 | 
						|
     * @param array $user_choice
 | 
						|
     * @param bool $show_comment
 | 
						|
     * @param null $exercise_feedback
 | 
						|
     * @param bool $show_answers
 | 
						|
     * @param null $modelType
 | 
						|
     * @param bool $categoryMinusOne
 | 
						|
     * @return bool|null|string
 | 
						|
     */
 | 
						|
    public function showQuestion(
 | 
						|
        Question $objQuestionTmp,
 | 
						|
        $only_questions = false,
 | 
						|
        $origin = false,
 | 
						|
        $current_item = '',
 | 
						|
        $show_title = true,
 | 
						|
        $freeze = false,
 | 
						|
        $user_choice = array(),
 | 
						|
        $show_comment = false,
 | 
						|
        $exercise_feedback = null,
 | 
						|
        $show_answers = false,
 | 
						|
        $modelType = null,
 | 
						|
        $categoryMinusOne = true
 | 
						|
    ) {
 | 
						|
        // Text direction for the current language
 | 
						|
        //$is_ltr_text_direction = api_get_text_direction() != 'rtl';
 | 
						|
        // Change false to true in the following line to enable answer hinting
 | 
						|
        $debug_mark_answer = $show_answers; //api_is_allowed_to_edit() && false;
 | 
						|
        // Reads question information
 | 
						|
        if (!$objQuestionTmp) {
 | 
						|
            // Question not found
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        $html = null;
 | 
						|
 | 
						|
        $questionId = $objQuestionTmp->id;
 | 
						|
 | 
						|
        if ($exercise_feedback != EXERCISE_FEEDBACK_TYPE_END) {
 | 
						|
            $show_comment = false;
 | 
						|
        }
 | 
						|
 | 
						|
        $answerType = $objQuestionTmp->selectType();
 | 
						|
        $pictureName = $objQuestionTmp->selectPicture();
 | 
						|
 | 
						|
        $s = null;
 | 
						|
        $form = new FormValidator('question');
 | 
						|
        $renderer = $form->defaultRenderer();
 | 
						|
        $form_template = '{content}';
 | 
						|
        $renderer->setFormTemplate($form_template);
 | 
						|
 | 
						|
        if ($answerType != HOT_SPOT && $answerType != HOT_SPOT_DELINEATION) {
 | 
						|
            // Question is not a hotspot
 | 
						|
            if (!$only_questions) {
 | 
						|
                $questionDescription = $objQuestionTmp->selectDescription();
 | 
						|
                if ($show_title) {
 | 
						|
                    $categoryName = Testcategory::getCategoryNamesForQuestion($objQuestionTmp->id, null, true, $categoryMinusOne);
 | 
						|
                    $html .= $categoryName;
 | 
						|
                    $html .= Display::div($current_item.'. '.$objQuestionTmp->selectTitle(), array('class' => 'question_title'));
 | 
						|
                    if (!empty($questionDescription)) {
 | 
						|
                        $html .= Display::div($questionDescription, array('class' => 'question_description'));
 | 
						|
                    }
 | 
						|
                } else {
 | 
						|
                    $html .= '<div class="media">';
 | 
						|
                    $html .= '<div class="pull-left">';
 | 
						|
                    $html .= '<div class="media-object">';
 | 
						|
                    $html .= Display::div($current_item, array('class' => 'question_no_title'));
 | 
						|
                    $html .= '</div>';
 | 
						|
                    $html .= '</div>';
 | 
						|
                    $html .= '<div class="media-body">';
 | 
						|
                    if (!empty($questionDescription)) {
 | 
						|
                        $html .= Display::div($questionDescription, array('class' => 'question_description'));
 | 
						|
                    }
 | 
						|
                    $html .= '</div>';
 | 
						|
                    $html .= '</div>';
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if (in_array($answerType, array(FREE_ANSWER, ORAL_EXPRESSION)) && $freeze) {
 | 
						|
                return null;
 | 
						|
            }
 | 
						|
 | 
						|
            $html .= '<div class="question_options">';
 | 
						|
            // construction of the Answer object (also gets all answers details)
 | 
						|
            $objAnswerTmp = new Answer($questionId, null, $this);
 | 
						|
 | 
						|
            $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
 | 
						|
            $course_id = api_get_course_int_id();
 | 
						|
            $quiz_question_options = Question::readQuestionOption($questionId, $course_id);
 | 
						|
 | 
						|
            // For "matching" type here, we need something a little bit special
 | 
						|
            // because the match between the suggestions and the answers cannot be
 | 
						|
            // done easily (suggestions and answers are in the same table), so we
 | 
						|
            // have to go through answers first (elems with "correct" value to 0).
 | 
						|
            $select_items = array();
 | 
						|
            //This will contain the number of answers on the left side. We call them
 | 
						|
            // suggestions here, for the sake of comprehensions, while the ones
 | 
						|
            // on the right side are called answers
 | 
						|
            $num_suggestions = 0;
 | 
						|
 | 
						|
            if ($answerType == MATCHING || $answerType == DRAGGABLE) {
 | 
						|
                if ($answerType == DRAGGABLE) {
 | 
						|
                    $s .= '<div class="ui-widget ui-helper-clearfix">
 | 
						|
                            <ul class="drag_question ui-helper-reset ui-helper-clearfix">';
 | 
						|
                } else {
 | 
						|
                    $s .= '<div id="drag'.$questionId.'_question" class="drag_question">';
 | 
						|
                    $s .= '<table class="data_table">';
 | 
						|
                }
 | 
						|
 | 
						|
                $j = 1; //iterate through answers
 | 
						|
                $letter = 'A'; //mark letters for each answer
 | 
						|
                $answer_matching = array();
 | 
						|
                $capital_letter = array();
 | 
						|
                //for ($answerId=1; $answerId <= $nbrAnswers; $answerId++) {
 | 
						|
                foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
 | 
						|
                    $answerCorrect = $objAnswerTmp->isCorrect($answerId);
 | 
						|
                    $answer = $objAnswerTmp->selectAnswer($answerId);
 | 
						|
                    if ($answerCorrect == 0) {
 | 
						|
                        // options (A, B, C, ...) that will be put into the list-box
 | 
						|
                        // have the "correct" field set to 0 because they are answer
 | 
						|
                        $capital_letter[$j] = $letter;
 | 
						|
                        //$answer_matching[$j]=$objAnswerTmp->selectAnswerByAutoId($numAnswer);
 | 
						|
                        $answer_matching[$j] = array('id' => $answerId, 'answer' => $answer);
 | 
						|
                        $j++;
 | 
						|
                        $letter++;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                $i = 1;
 | 
						|
 | 
						|
                $select_items[0]['id'] = 0;
 | 
						|
                $select_items[0]['letter'] = '--';
 | 
						|
                $select_items[0]['answer'] = '';
 | 
						|
 | 
						|
                foreach ($answer_matching as $id => $value) {
 | 
						|
                    $select_items[$i]['id'] = $value['id'];
 | 
						|
                    $select_items[$i]['letter'] = $capital_letter[$id];
 | 
						|
                    $select_items[$i]['answer'] = $value['answer'];
 | 
						|
                    $i++;
 | 
						|
                }
 | 
						|
                $num_suggestions = ($nbrAnswers - $j) + 1;
 | 
						|
            } elseif ($answerType == FREE_ANSWER) {
 | 
						|
                $content = isset($user_choice[0]) && !empty($user_choice[0]['answer']) ? $user_choice[0]['answer'] : null;
 | 
						|
                $toolBar = 'TestFreeAnswer';
 | 
						|
                if ($modelType == EXERCISE_MODEL_TYPE_COMMITTEE) {
 | 
						|
                    $toolBar = 'TestFreeAnswerStrict';
 | 
						|
                }
 | 
						|
                $form->addElement('html_editor', "choice[".$questionId."]", null, array('id' => "choice[".$questionId."]"), array('ToolbarSet' => $toolBar));
 | 
						|
                $form->setDefaults(array("choice[".$questionId."]" => $content));
 | 
						|
                $s .= $form->return_form();
 | 
						|
            } elseif ($answerType == ORAL_EXPRESSION) {
 | 
						|
                // Add nanogong
 | 
						|
                if (api_get_setting('enable_nanogong') == 'true') {
 | 
						|
 | 
						|
                    //@todo pass this as a parameter
 | 
						|
                    global $exercise_stat_info, $exerciseId;
 | 
						|
 | 
						|
                    if (!empty($exercise_stat_info)) {
 | 
						|
                        $params = array(
 | 
						|
                            'exercise_id' => $exercise_stat_info['exe_exo_id'],
 | 
						|
                            'exe_id' => $exercise_stat_info['exe_id'],
 | 
						|
                            'question_id' => $questionId
 | 
						|
                        );
 | 
						|
                    } else {
 | 
						|
                        $params = array(
 | 
						|
                            'exercise_id' => $exerciseId,
 | 
						|
                            'exe_id' => 'temp_exe',
 | 
						|
                            'question_id' => $questionId
 | 
						|
                        );
 | 
						|
                    }
 | 
						|
 | 
						|
                    $nano = new Nanogong($params);
 | 
						|
                    $s .= $nano->show_button();
 | 
						|
                }
 | 
						|
 | 
						|
                $form->addElement('html_editor', "choice[".$questionId."]", null, array('id' => "choice[".$questionId."]"), array('ToolbarSet' => 'TestFreeAnswer'));
 | 
						|
                //$form->setDefaults(array("choice[".$questionId."]" => $content));
 | 
						|
                $s .= $form->return_form();
 | 
						|
            }
 | 
						|
 | 
						|
            // Now navigate through the possible answers, using the max number of
 | 
						|
            // answers for the question as a limiter
 | 
						|
            $lines_count = 1; // a counter for matching-type answers
 | 
						|
 | 
						|
            if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
 | 
						|
                $header = Display::tag('th', get_lang('Options'));
 | 
						|
                foreach ($objQuestionTmp->options as $item) {
 | 
						|
                    $header .= Display::tag('th', $item);
 | 
						|
                }
 | 
						|
                if ($show_comment) {
 | 
						|
                    $header .= Display::tag('th', get_lang('Feedback'));
 | 
						|
                }
 | 
						|
                $s .= '<table class="data_table">';
 | 
						|
                $s .= Display::tag('tr', $header, array('style' => 'text-align:left;'));
 | 
						|
            }
 | 
						|
 | 
						|
            if ($show_comment) {
 | 
						|
                if (in_array($answerType, array(MULTIPLE_ANSWER, MULTIPLE_ANSWER_COMBINATION, UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, GLOBAL_MULTIPLE_ANSWER))) {
 | 
						|
                    $header = Display::tag('th', get_lang('Options'));
 | 
						|
                    if ($exercise_feedback == EXERCISE_FEEDBACK_TYPE_END) {
 | 
						|
                        $header .= Display::tag('th', get_lang('Feedback'));
 | 
						|
                    }
 | 
						|
                    $s .= '<table class="data_table">';
 | 
						|
                    $s.= Display::tag('tr', $header, array('style' => 'text-align:left;'));
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            $matching_correct_answer = 0;
 | 
						|
            $user_choice_array = array();
 | 
						|
            if (!empty($user_choice)) {
 | 
						|
                foreach ($user_choice as $item) {
 | 
						|
                    $user_choice_array[] = $item['answer'];
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
 | 
						|
                $answer = $objAnswerTmp->selectAnswer($answerId);
 | 
						|
                $answerCorrect = $objAnswerTmp->isCorrect($answerId);
 | 
						|
                $comment = $objAnswerTmp->selectComment($answerId);
 | 
						|
 | 
						|
                //$numAnswer       = $objAnswerTmp->selectAutoId($answerId);
 | 
						|
                $numAnswer = $answerId;
 | 
						|
 | 
						|
                $attributes = array();
 | 
						|
                // Unique answer
 | 
						|
                if (in_array($answerType, array(UNIQUE_ANSWER, UNIQUE_ANSWER_IMAGE, UNIQUE_ANSWER_NO_OPTION))) {
 | 
						|
 | 
						|
                    $input_id = 'choice-'.$questionId.'-'.$answerId;
 | 
						|
                    if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
 | 
						|
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
 | 
						|
                    } else {
 | 
						|
                        $attributes = array('id' => $input_id);
 | 
						|
                    }
 | 
						|
 | 
						|
                    if ($debug_mark_answer) {
 | 
						|
                        if ($answerCorrect) {
 | 
						|
                            $attributes['checked'] = 1;
 | 
						|
                            $attributes['selected'] = 1;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
 | 
						|
                    $answer = Security::remove_XSS($answer);
 | 
						|
                    $s .= Display::input('hidden', 'choice2['.$questionId.']', '0');
 | 
						|
 | 
						|
                    $answer_input = null;
 | 
						|
                    if ($answerType == UNIQUE_ANSWER_IMAGE) {
 | 
						|
                        $attributes['style'] = 'display:none';
 | 
						|
                        $answer_input .= '<div id="answer'.$questionId.$numAnswer.'" style="float:left" class="highlight_image_default highlight_image">';
 | 
						|
                    }
 | 
						|
 | 
						|
                    $answer_input .= '<label class="radio">';
 | 
						|
                    $answer_input .= Display::input('radio', 'choice['.$questionId.']', $numAnswer, $attributes);
 | 
						|
                    $answer_input .= $answer;
 | 
						|
                    $answer_input .= '</label>';
 | 
						|
 | 
						|
                    if ($answerType == UNIQUE_ANSWER_IMAGE) {
 | 
						|
                        $answer_input .= "</div>";
 | 
						|
                    }
 | 
						|
 | 
						|
                    if ($show_comment) {
 | 
						|
                        $s .= '<tr><td>';
 | 
						|
                        $s .= $answer_input;
 | 
						|
                        $s .= '</td>';
 | 
						|
                        $s .= '<td>';
 | 
						|
                        $s .= $comment;
 | 
						|
                        $s .= '</td>';
 | 
						|
                        $s .= '</tr>';
 | 
						|
                    } else {
 | 
						|
                        $s .= $answer_input;
 | 
						|
                    }
 | 
						|
 | 
						|
                } elseif (in_array($answerType, array(MULTIPLE_ANSWER, MULTIPLE_ANSWER_TRUE_FALSE, GLOBAL_MULTIPLE_ANSWER))) {
 | 
						|
                    $input_id = 'choice-'.$questionId.'-'.$answerId;
 | 
						|
                    $answer = Security::remove_XSS($answer);
 | 
						|
 | 
						|
                    if (in_array($numAnswer, $user_choice_array)) {
 | 
						|
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
 | 
						|
                    } else {
 | 
						|
                        $attributes = array('id' => $input_id);
 | 
						|
                    }
 | 
						|
 | 
						|
                    if ($debug_mark_answer) {
 | 
						|
                        if ($answerCorrect) {
 | 
						|
                            $attributes['checked'] = 1;
 | 
						|
                            $attributes['selected'] = 1;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
 | 
						|
                    if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
 | 
						|
                        $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 | 
						|
 | 
						|
                        $answer_input = '<label class="checkbox">';
 | 
						|
                        $answer_input .= Display::input('checkbox', 'choice['.$questionId.']['.$numAnswer.']', $numAnswer, $attributes);
 | 
						|
                        $answer_input .= $answer;
 | 
						|
                        $answer_input .= '</label>';
 | 
						|
 | 
						|
                        if ($show_comment) {
 | 
						|
                            $s .= '<tr><td>';
 | 
						|
                            $s .= $answer_input;
 | 
						|
                            $s .= '</td>';
 | 
						|
                            $s .= '<td>';
 | 
						|
                            $s .= $comment;
 | 
						|
                            $s .= '</td>';
 | 
						|
                            $s .='</tr>';
 | 
						|
                        } else {
 | 
						|
                            $s .= $answer_input;
 | 
						|
                        }
 | 
						|
                    } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
 | 
						|
 | 
						|
                        $my_choice = array();
 | 
						|
                        if (!empty($user_choice_array)) {
 | 
						|
                            foreach ($user_choice_array as $item) {
 | 
						|
                                $item = explode(':', $item);
 | 
						|
                                $my_choice[$item[0]] = $item[1];
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
 | 
						|
                        $s .='<tr>';
 | 
						|
                        $s .= Display::tag('td', $answer);
 | 
						|
 | 
						|
                        if (!empty($quiz_question_options)) {
 | 
						|
                            foreach ($quiz_question_options as $id => $item) {
 | 
						|
                                $id = $item['iid'];
 | 
						|
                                if (isset($my_choice[$numAnswer]) && $id == $my_choice[$numAnswer]) {
 | 
						|
                                    $attributes = array('checked' => 1, 'selected' => 1);
 | 
						|
                                } else {
 | 
						|
                                    $attributes = array();
 | 
						|
                                }
 | 
						|
 | 
						|
                                if ($debug_mark_answer) {
 | 
						|
                                    if ($id == $answerCorrect) {
 | 
						|
                                        $attributes['checked'] = 1;
 | 
						|
                                        $attributes['selected'] = 1;
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
                                $s .= Display::tag('td', Display::input('radio', 'choice['.$questionId.']['.$numAnswer.']', $id, $attributes), array('style' => ''));
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($show_comment) {
 | 
						|
                            $s .= '<td>';
 | 
						|
                            $s .= $comment;
 | 
						|
                            $s .= '</td>';
 | 
						|
                        }
 | 
						|
                        $s.='</tr>';
 | 
						|
                    }
 | 
						|
 | 
						|
                } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
 | 
						|
 | 
						|
                    // multiple answers
 | 
						|
                    $input_id = 'choice-'.$questionId.'-'.$answerId;
 | 
						|
 | 
						|
                    if (in_array($numAnswer, $user_choice_array)) {
 | 
						|
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
 | 
						|
                    } else {
 | 
						|
                        $attributes = array('id' => $input_id);
 | 
						|
                    }
 | 
						|
 | 
						|
                    if ($debug_mark_answer) {
 | 
						|
                        if ($answerCorrect) {
 | 
						|
                            $attributes['checked'] = 1;
 | 
						|
                            $attributes['selected'] = 1;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
 | 
						|
                    $answer = Security::remove_XSS($answer);
 | 
						|
                    $answer_input = '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 | 
						|
                    $answer_input .= '<label class="checkbox">';
 | 
						|
                    $answer_input .= Display::input('checkbox', 'choice['.$questionId.']['.$numAnswer.']', 1, $attributes);
 | 
						|
                    $answer_input .= $answer;
 | 
						|
                    $answer_input .= '</label>';
 | 
						|
 | 
						|
                    if ($show_comment) {
 | 
						|
                        $s.= '<tr>';
 | 
						|
                        $s .= '<td>';
 | 
						|
                        $s.= $answer_input;
 | 
						|
                        $s .= '</td>';
 | 
						|
                        $s .= '<td>';
 | 
						|
                        $s .= $comment;
 | 
						|
                        $s .= '</td>';
 | 
						|
                        $s.= '</tr>';
 | 
						|
                    } else {
 | 
						|
                        $s.= $answer_input;
 | 
						|
                    }
 | 
						|
                } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
 | 
						|
                    $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 | 
						|
 | 
						|
                    $my_choice = array();
 | 
						|
                    if (!empty($user_choice_array)) {
 | 
						|
                        foreach ($user_choice_array as $item) {
 | 
						|
                            $item = explode(':', $item);
 | 
						|
                            $my_choice[$item[0]] = $item[1];
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    $answer = Security::remove_XSS($answer);
 | 
						|
                    $s .='<tr>';
 | 
						|
                    $s .= Display::tag('td', $answer);
 | 
						|
 | 
						|
                    foreach ($objQuestionTmp->options as $key => $item) {
 | 
						|
                        if (isset($my_choice[$numAnswer]) && $key == $my_choice[$numAnswer]) {
 | 
						|
                            $attributes = array('checked' => 1, 'selected' => 1);
 | 
						|
                        } else {
 | 
						|
                            $attributes = array();
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($debug_mark_answer) {
 | 
						|
                            if ($key == $answerCorrect) {
 | 
						|
                                $attributes['checked'] = 1;
 | 
						|
                                $attributes['selected'] = 1;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                        $s .= Display::tag('td', Display::input('radio', 'choice['.$questionId.']['.$numAnswer.']', $key, $attributes));
 | 
						|
                    }
 | 
						|
 | 
						|
                    if ($show_comment) {
 | 
						|
                        $s .= '<td>';
 | 
						|
                        $s .= $comment;
 | 
						|
                        $s .= '</td>';
 | 
						|
                    }
 | 
						|
                    $s.='</tr>';
 | 
						|
                } elseif ($answerType == FILL_IN_BLANKS) {
 | 
						|
                    list($answer) = explode('::', $answer);
 | 
						|
 | 
						|
                    //Correct answer
 | 
						|
                    api_preg_match_all('/\[[^]]+\]/', $answer, $correct_answer_list);
 | 
						|
 | 
						|
                    //Student's answezr
 | 
						|
                    if (isset($user_choice[0]['answer'])) {
 | 
						|
                        api_preg_match_all('/\[[^]]+\]/', $user_choice[0]['answer'], $student_answer_list);
 | 
						|
                        $student_answer_list = $student_answer_list[0];
 | 
						|
                    }
 | 
						|
 | 
						|
                    //If debug
 | 
						|
                    if ($debug_mark_answer) {
 | 
						|
                        $student_answer_list = $correct_answer_list[0];
 | 
						|
                    }
 | 
						|
 | 
						|
                    if (!empty($correct_answer_list) && !empty($student_answer_list)) {
 | 
						|
                        $correct_answer_list = $correct_answer_list[0];
 | 
						|
                        $i = 0;
 | 
						|
                        foreach ($correct_answer_list as $correct_item) {
 | 
						|
                            $value = null;
 | 
						|
                            if (isset($student_answer_list[$i]) && !empty($student_answer_list[$i])) {
 | 
						|
 | 
						|
                                //Cleaning student answer list
 | 
						|
                                $value = strip_tags($student_answer_list[$i]);
 | 
						|
                                $value = api_substr($value, 1, api_strlen($value) - 2);
 | 
						|
                                $value = explode('/', $value);
 | 
						|
 | 
						|
                                if (!empty($value[0])) {
 | 
						|
                                    $value = str_replace(' ', '', trim($value[0]));
 | 
						|
                                }
 | 
						|
                                $correct_item = preg_quote($correct_item);
 | 
						|
                                $correct_item = api_preg_replace('|/|', '\/', $correct_item);   // to prevent error if there is a / in the text to find
 | 
						|
                                $answer = api_preg_replace('/'.$correct_item.'/', Display::input('text', "choice[$questionId][]", $value), $answer, 1);
 | 
						|
                            }
 | 
						|
                            $i++;
 | 
						|
                        }
 | 
						|
                    } else {
 | 
						|
                        $answer = api_preg_replace('/\[[^]]+\]/', Display::input('text', "choice[$questionId][]", '', $attributes), $answer);
 | 
						|
                    }
 | 
						|
                    $s .= $answer;
 | 
						|
                } elseif ($answerType == MATCHING) {
 | 
						|
                    // matching type, showing suggestions and answers
 | 
						|
                    // TODO: replace $answerId by $numAnswer
 | 
						|
 | 
						|
                    if ($lines_count == 1) {
 | 
						|
                        $s .= $objAnswerTmp->getJs();
 | 
						|
                    }
 | 
						|
                    if ($answerCorrect != 0) {
 | 
						|
                        // only show elements to be answered (not the contents of
 | 
						|
                        // the select boxes, who are correct = 0)
 | 
						|
                        $s .= '<tr><td width="45%">';
 | 
						|
                        $parsed_answer = $answer;
 | 
						|
                        $windowId = $questionId.'_'.$lines_count;
 | 
						|
                        //left part questions
 | 
						|
                        $s .= ' <div id="window_'.$windowId.'" class="window window_left_question window'.$questionId.'_question">
 | 
						|
                                    <b>'.$lines_count.'</b>. '.$parsed_answer.'
 | 
						|
                                </div>
 | 
						|
                                </td>';
 | 
						|
 | 
						|
                        // middle part (matches selects)
 | 
						|
 | 
						|
                        $s .= '<td width="10%" align="center">  ';
 | 
						|
                        $s .= '<div style="display:block">';
 | 
						|
 | 
						|
                        $s .= '<select id="window_'.$windowId.'_select" name="choice['.$questionId.']['.$numAnswer.']">';
 | 
						|
                        $selectedValue = 0;
 | 
						|
                        // fills the list-box
 | 
						|
                        $item = 0;
 | 
						|
                        foreach ($select_items as $val) {
 | 
						|
                            // set $debug_mark_answer to true at public static function start to
 | 
						|
                            // show the correct answer with a suffix '-x'
 | 
						|
                            $selected = '';
 | 
						|
                            if ($debug_mark_answer) {
 | 
						|
                                if ($val['id'] == $answerCorrect) {
 | 
						|
                                    $selected = 'selected="selected"';
 | 
						|
                                    $selectedValue = $val['id'];
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                            if (isset($user_choice[$matching_correct_answer]) && $val['id'] == $user_choice[$matching_correct_answer]['answer']) {
 | 
						|
                                $selected = 'selected="selected"';
 | 
						|
                                $selectedValue = $val['id'];
 | 
						|
                            }
 | 
						|
                            //$s .= '<option value="'.$val['id'].'" '.$selected.'>'.$val['letter'].'</option>';
 | 
						|
                            $s .= '<option value="'.$item.'" '.$selected.'>'.$val['letter'].'</option>';
 | 
						|
                            $item++;
 | 
						|
                        }
 | 
						|
 | 
						|
                        if (!empty($answerCorrect) && !empty($selectedValue)) {
 | 
						|
                            $s.= '<script>
 | 
						|
                                jsPlumb.ready(function() {
 | 
						|
                                    jsPlumb.connect({
 | 
						|
                                        source: "window_'.$windowId.'",
 | 
						|
                                        target: "window_'.$questionId.'_'.$selectedValue.'_answer",
 | 
						|
                                        endpoint:["Blank", { radius:15 }],
 | 
						|
                                        anchor:["RightMiddle","LeftMiddle"],
 | 
						|
                                        paintStyle:{ strokeStyle:"#8a8888" , lineWidth:8 },
 | 
						|
                                        connector: [connectorType, { curviness: curvinessValue } ],
 | 
						|
                                    })
 | 
						|
                                });
 | 
						|
                                </script>';
 | 
						|
                        }
 | 
						|
                        $s .= '</select></div></td>';
 | 
						|
 | 
						|
                        $s.='<td width="45%" valign="top" >';
 | 
						|
 | 
						|
                        if (isset($select_items[$lines_count])) {
 | 
						|
                            $s.= '<div id="window_'.$windowId.'_answer" class="window window_right_question">
 | 
						|
                                    <b>'.$select_items[$lines_count]['letter'].'.</b> '.$select_items[$lines_count]['answer'].'
 | 
						|
                                  </div>';
 | 
						|
                        } else {
 | 
						|
                            $s.=' ';
 | 
						|
                        }
 | 
						|
 | 
						|
                        $s .= '</td>';
 | 
						|
                        $s .= '</tr>';
 | 
						|
                        $lines_count++;
 | 
						|
                        //if the left side of the "matching" has been completely
 | 
						|
                        // shown but the right side still has values to show...
 | 
						|
                        if (($lines_count - 1) == $num_suggestions) {
 | 
						|
                            // if it remains answers to shown at the right side
 | 
						|
                            while (isset($select_items[$lines_count])) {
 | 
						|
                                $s .= '<tr>
 | 
						|
                                      <td colspan="2"></td>
 | 
						|
                                      <td valign="top">';
 | 
						|
                                $s.='<b>'.$select_items[$lines_count]['letter'].'.</b>';
 | 
						|
                                $s .= $select_items[$lines_count]['answer'];
 | 
						|
                                $s.="</td>
 | 
						|
                                </tr>";
 | 
						|
                                $lines_count++;
 | 
						|
                            } // end while()
 | 
						|
                        }  // end if()
 | 
						|
                        $matching_correct_answer++;
 | 
						|
                    }
 | 
						|
                } elseif ($answerType ==  DRAGGABLE) {
 | 
						|
                    // matching type, showing suggestions and answers
 | 
						|
                    // TODO: replace $answerId by $numAnswer
 | 
						|
 | 
						|
                    if ($answerCorrect != 0) {
 | 
						|
                        // only show elements to be answered (not the contents of
 | 
						|
                        // the select boxes, who are correct = 0)
 | 
						|
                        $s .= '<td>';
 | 
						|
                        $parsed_answer = $answer;
 | 
						|
                        $windowId = $questionId.'_'.$numAnswer; //67_293 - 67_294
 | 
						|
 | 
						|
                        //left part questions
 | 
						|
                        $s .= '<li class="ui-state-default" id="'.$windowId.'">';
 | 
						|
                        $s .= ' <div id="window_'.$windowId.'" class="window'.$questionId.'_question_draggable question_draggable">
 | 
						|
                                   '.$parsed_answer.'
 | 
						|
                                </div>';
 | 
						|
 | 
						|
                        $s .= '<div style="display:none">';
 | 
						|
                        $s .= '<select id="window_'.$windowId.'_select" name="choice['.$questionId.']['.$numAnswer.']" class="select_option">';
 | 
						|
                        $selectedValue = 0;
 | 
						|
                        // fills the list-box
 | 
						|
                        $item = 0;
 | 
						|
                        foreach ($select_items as $val) {
 | 
						|
                            // set $debug_mark_answer to true at function start to
 | 
						|
                            // show the correct answer with a suffix '-x'
 | 
						|
                            $selected = '';
 | 
						|
                            if ($debug_mark_answer) {
 | 
						|
                                if ($val['id'] == $answerCorrect) {
 | 
						|
                                    $selected = 'selected="selected"';
 | 
						|
                                    $selectedValue = $val['id'];
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                            if (isset($user_choice[$matching_correct_answer]) && $val['id'] == $user_choice[$matching_correct_answer]['answer']) {
 | 
						|
                                $selected = 'selected="selected"';
 | 
						|
                                $selectedValue = $val['id'];
 | 
						|
                            }
 | 
						|
                            //$s .= '<option value="'.$val['id'].'" '.$selected.'>'.$val['letter'].'</option>';
 | 
						|
                            $s .= '<option value="'.$item.'" '.$selected.'>'.$val['letter'].'</option>';
 | 
						|
                            $item++;
 | 
						|
                        }
 | 
						|
                        $s .= '</select>';
 | 
						|
 | 
						|
                        if (!empty($answerCorrect) && !empty($selectedValue)) {
 | 
						|
                            $s.= '<script>
 | 
						|
                                $(function() {
 | 
						|
                                    deleteItem($("#'.$questionId.'_'.$selectedValue.'"), $("#drop_'.$windowId.'"));
 | 
						|
                                });
 | 
						|
                                </script>';
 | 
						|
                        }
 | 
						|
 | 
						|
 | 
						|
                        if (isset($select_items[$lines_count])) {
 | 
						|
                            $s.= '<div id="window_'.$windowId.'_answer" class="">
 | 
						|
                                    <b>'.$select_items[$lines_count]['letter'].'.</b> '.$select_items[$lines_count]['answer'].'
 | 
						|
                                  </div>';
 | 
						|
                        } else {
 | 
						|
                            $s.=' ';
 | 
						|
                        }
 | 
						|
                        $lines_count++;
 | 
						|
                        //if the left side of the "matching" has been completely
 | 
						|
                        // shown but the right side still has values to show...
 | 
						|
 | 
						|
                        if (($lines_count - 1) == $num_suggestions) {
 | 
						|
                            // if it remains answers to shown at the right side
 | 
						|
                            while (isset($select_items[$lines_count])) {
 | 
						|
                                $s.='<b>'.$select_items[$lines_count]['letter'].'.</b>';
 | 
						|
                                $s .= $select_items[$lines_count]['answer'];
 | 
						|
                                $lines_count++;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                        $s .= '</div>';
 | 
						|
                        $matching_correct_answer++;
 | 
						|
                        $s .= '</li>';
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            } // end for()
 | 
						|
 | 
						|
            if ($show_comment) {
 | 
						|
                $s .= '</table>';
 | 
						|
            } else {
 | 
						|
                if ($answerType == MATCHING || $answerType == UNIQUE_ANSWER_NO_OPTION || $answerType == MULTIPLE_ANSWER_TRUE_FALSE ||
 | 
						|
                    $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
 | 
						|
                    $s .= '</table>';
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if ($answerType == DRAGGABLE) {
 | 
						|
                $s .= '</ul><div class="clear"></div>';
 | 
						|
 | 
						|
                $counterAnswer = 1;
 | 
						|
                foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
 | 
						|
                    $answerCorrect = $objAnswerTmp->isCorrect($answerId);
 | 
						|
                    $windowId = $questionId.'_'.$counterAnswer;
 | 
						|
                    if ($answerCorrect == 0) {
 | 
						|
                        $s .= '<div id="drop_'.$windowId.'" class="droppable ui-state-default">'.$counterAnswer.'</div>';
 | 
						|
                        $counterAnswer++;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if ($answerType == MATCHING) {
 | 
						|
                $s .= '</div>';
 | 
						|
            }
 | 
						|
 | 
						|
            $s .= '</div>';
 | 
						|
 | 
						|
            // destruction of the Answer object
 | 
						|
            unset($objAnswerTmp);
 | 
						|
 | 
						|
            // destruction of the Question object
 | 
						|
            unset($objQuestionTmp);
 | 
						|
 | 
						|
            $html .= $s;
 | 
						|
            return $html;
 | 
						|
        } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
 | 
						|
            // Question is a HOT_SPOT
 | 
						|
            //checking document/images visibility
 | 
						|
            if (api_is_platform_admin() || api_is_course_admin()) {
 | 
						|
                $course = api_get_course_info();
 | 
						|
                $doc_id = DocumentManager::get_document_id($course, '/images/'.$pictureName);
 | 
						|
                if (is_numeric($doc_id)) {
 | 
						|
                    $images_folder_visibility = api_get_item_visibility($course, 'document', $doc_id, api_get_session_id());
 | 
						|
                    if (!$images_folder_visibility) {
 | 
						|
                        //This message is shown only to the course/platform admin if the image is set to visibility = false
 | 
						|
                        Display::display_warning_message(get_lang('ChangeTheVisibilityOfTheCurrentImage'));
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $questionName = $objQuestionTmp->selectTitle();
 | 
						|
            $questionDescription = $objQuestionTmp->selectDescription();
 | 
						|
 | 
						|
            if ($freeze) {
 | 
						|
                $s .= Display::img($objQuestionTmp->selectPicturePath());
 | 
						|
                $html .= $s;
 | 
						|
                return $html;
 | 
						|
            }
 | 
						|
 | 
						|
            // Get the answers, make a list
 | 
						|
            $objAnswerTmp = new Answer($questionId);
 | 
						|
 | 
						|
            // get answers of hotpost
 | 
						|
            $answers_hotspot = array();
 | 
						|
            foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
 | 
						|
                //$answers = $objAnswerTmp->selectAnswerByAutoId($objAnswerTmp->selectAutoId($answerId));
 | 
						|
                $answers_hotspot[$answerId] = $objAnswerTmp->selectAnswer($answerId);
 | 
						|
            }
 | 
						|
 | 
						|
            // display answers of hotpost order by id
 | 
						|
            $answer_list = '<div style="padding: 10px; margin-left: 0px; border: 1px solid #A4A4A4; height: 408px; width: 200px;"><b>'.get_lang('HotspotZones').'</b><dl>';
 | 
						|
            if (!empty($answers_hotspot)) {
 | 
						|
                ksort($answers_hotspot);
 | 
						|
                foreach ($answers_hotspot as $key => $value) {
 | 
						|
                    $answer_list .= '<dt>'.$key.'.- '.$value.'</dt><br />';
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $answer_list .= '</dl></div>';
 | 
						|
 | 
						|
            if ($answerType == HOT_SPOT_DELINEATION) {
 | 
						|
                $answer_list = '';
 | 
						|
                $swf_file = 'hotspot_delineation_user';
 | 
						|
                $swf_height = 405;
 | 
						|
            } else {
 | 
						|
                $swf_file = 'hotspot_user';
 | 
						|
                $swf_height = 436;
 | 
						|
            }
 | 
						|
 | 
						|
            if (!$only_questions) {
 | 
						|
                if ($show_title) {
 | 
						|
                    $html .=  Testcategory::getCategoryNamesForQuestion($objQuestionTmp->id);
 | 
						|
                    $html .=  '<div class="question_title">'.$current_item.'. '.$questionName.'</div>';
 | 
						|
                    $html .=  $questionDescription;
 | 
						|
                } else {
 | 
						|
                    $html .= '<div class="media">';
 | 
						|
                    $html .= '<div class="pull-left">';
 | 
						|
                    $html .= '<div class="media-object">';
 | 
						|
                    $html .= Display::div($current_item.'. ', array('class' => 'question_no_title'));
 | 
						|
                    $html .= '</div>';
 | 
						|
                    $html .= '</div>';
 | 
						|
                    $html .= '<div class="media-body">';
 | 
						|
                    if (!empty($questionDescription)) {
 | 
						|
                        $html .= Display::div($questionDescription, array('class' => 'question_description'));
 | 
						|
                }
 | 
						|
                    $html .= '</div>';
 | 
						|
                    $html .= '</div>';
 | 
						|
                }
 | 
						|
                //@todo I need to the get the feedback type
 | 
						|
                $html .=  '<input type="hidden" name="hidden_hotspot_id" value="'.$questionId.'" />';
 | 
						|
                $html .=  '<table class="exercise_questions">
 | 
						|
                           <tr>
 | 
						|
                            <td valign="top" colspan="2">';
 | 
						|
                $html .=  '</td></tr>';
 | 
						|
            }
 | 
						|
 | 
						|
            $canClick = isset($_GET['editQuestion']) ? '0' : (isset($_GET['modifyAnswers']) ? '0' : '1');
 | 
						|
 | 
						|
            $s .= ' <script type="text/javascript" src="../plugin/hotspot/JavaScriptFlashGateway.js"></script>
 | 
						|
                    <script src="../plugin/hotspot/hotspot.js" type="text/javascript" ></script>
 | 
						|
                    <script type="text/javascript">
 | 
						|
                    <!--
 | 
						|
                    // Globals
 | 
						|
                    // Major version of Flash required
 | 
						|
                    var requiredMajorVersion = 7;
 | 
						|
                    // Minor version of Flash required
 | 
						|
                    var requiredMinorVersion = 0;
 | 
						|
                    // Minor version of Flash required
 | 
						|
                    var requiredRevision = 0;
 | 
						|
                    // the version of javascript supported
 | 
						|
                    var jsVersion = 1.0;
 | 
						|
                    // -->
 | 
						|
                    </script>
 | 
						|
                    <script language="VBScript" type="text/vbscript">
 | 
						|
                    <!-- // Visual basic helper required to detect Flash Player ActiveX control version information
 | 
						|
                    Function VBGetSwfVer(i)
 | 
						|
                      on error resume next
 | 
						|
                      Dim swControl, swVersion
 | 
						|
                      swVersion = 0
 | 
						|
 | 
						|
                      set swControl = CreateObject("ShockwaveFlash.ShockwaveFlash." + CStr(i))
 | 
						|
                      if (IsObject(swControl)) then
 | 
						|
                        swVersion = swControl.GetVariable("$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>';
 | 
						|
            $s .= '<tr><td valign="top" colspan="2" width="520"><table><tr><td width="520">
 | 
						|
                    <script>
 | 
						|
                        // Version check based upon the values entered above in "Globals"
 | 
						|
                        var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
 | 
						|
 | 
						|
                        // Check to see if the version meets the requirements for playback
 | 
						|
                        if (hasReqestedVersion) {  // if we\'ve detected an acceptable version
 | 
						|
                            var oeTags = \'<object type="application/x-shockwave-flash" data="../plugin/hotspot/'.$swf_file.'.swf?modifyAnswers='.$questionId.'&canClick:'.$canClick.'" width="600" height="'.$swf_height.'">\'
 | 
						|
                                        + \'<param name="wmode" value="transparent">\'
 | 
						|
                                        + \'<param name="movie" value="../plugin/hotspot/'.$swf_file.'.swf?modifyAnswers='.$questionId.'&canClick:'.$canClick.'" />\'
 | 
						|
                                        + \'<\/object>\';
 | 
						|
                            document.write(oeTags);   // embed the Flash Content SWF when all tests are passed
 | 
						|
                        } else {  // flash is too old or we can\'t detect the plugin
 | 
						|
                            var alternateContent = "Error<br \/>"
 | 
						|
                                + "Hotspots requires Macromedia Flash 7.<br \/>"
 | 
						|
                                + "<a href=\"http://www.macromedia.com/go/getflash/\">Get Flash<\/a>";
 | 
						|
                            document.write(alternateContent);  // insert non-flash content
 | 
						|
                        }
 | 
						|
                    </script>
 | 
						|
                    </td>
 | 
						|
                    <td valign="top" align="left">'.$answer_list.'</td></tr>
 | 
						|
                    </table>
 | 
						|
            </td></tr>';
 | 
						|
            $html .= $s;
 | 
						|
            $html .= '</table>';
 | 
						|
            return $html;
 | 
						|
        }
 | 
						|
        return $nbrAnswers;
 | 
						|
    }
 | 
						|
 | 
						|
}
 | 
						|
 |