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|
- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Exercise class: This class allows to instantiate an object of type Exercise
- * @package chamilo.exercise
- * @author Olivier Brouckaert
- * @author Julio Montoya Cleaning exercises
- * Modified by Hubert Borderiou #294
- */
- /**
- * Code
- */
- define('ALL_ON_ONE_PAGE', 1);
- define('ONE_PER_PAGE', 2);
- define('EXERCISE_FEEDBACK_TYPE_END', 0); //Feedback - show score and expected answers
- define('EXERCISE_FEEDBACK_TYPE_DIRECT', 1); //DirectFeedback - Do not show score nor answers
- define('EXERCISE_FEEDBACK_TYPE_EXAM', 2); //NoFeedback - Show score only
- define('RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS', 0); //show score and expected answers
- define('RESULT_DISABLE_NO_SCORE_AND_EXPECTED_ANSWERS', 1); //Do not show score nor answers
- define('RESULT_DISABLE_SHOW_SCORE_ONLY', 2); //Show score only
- define('RESULT_DISABLE_SHOW_FINAL_SCORE_ONLY_WITH_CATEGORIES', 3); //Show final score only with categories
- define('EXERCISE_MAX_NAME_SIZE', 80);
- $debug = false; //All exercise scripts should depend in this debug variable
- require_once dirname(__FILE__).'/../inc/lib/exercise_show_functions.lib.php';
- class Exercise
- {
- public $id;
- public $name;
- public $title;
- public $exercise;
- public $description;
- public $sound;
- public $type; //ALL_ON_ONE_PAGE or ONE_PER_PAGE
- public $random;
- public $random_answers;
- public $active;
- public $timeLimit;
- public $attempts;
- public $feedback_type;
- public $end_time;
- public $start_time;
- public $questionList; // array with the list of this exercise's questions
- public $results_disabled;
- public $expired_time;
- public $course;
- public $course_id;
- public $propagate_neg;
- public $review_answers;
- public $randomByCat;
- public $text_when_finished;
- public $display_category_name;
- public $pass_percentage;
- public $edit_exercise_in_lp = false;
- public $is_gradebook_locked = false;
- public $exercise_was_added_in_lp = false;
- public $force_edit_exercise_in_lp = false;
- /**
- * Constructor of the class
- *
- * @author - Olivier Brouckaert
- */
- function Exercise($course_id = null)
- {
- $this->id = 0;
- $this->exercise = '';
- $this->description = '';
- $this->sound = '';
- $this->type = ALL_ON_ONE_PAGE;
- $this->random = 0;
- $this->random_answers = 0;
- $this->active = 1;
- $this->questionList = array();
- $this->timeLimit = 0;
- $this->end_time = '0000-00-00 00:00:00';
- $this->start_time = '0000-00-00 00:00:00';
- $this->results_disabled = 1;
- $this->expired_time = '0000-00-00 00:00:00';
- $this->propagate_neg = 0;
- $this->review_answers = false;
- $this->randomByCat = 0; //
- $this->text_when_finished = ""; //
- $this->display_category_name = 0;
- $this->pass_percentage = null;
- if (!empty($course_id)) {
- $course_info = api_get_course_info_by_id($course_id);
- } else {
- $course_info = api_get_course_info();
- }
- $this->course_id = $course_info['real_id'];
- $this->course = $course_info;
- }
- /**
- * reads exercise informations from the data base
- *
- * @author - Olivier Brouckaert
- * @param - integer $id - exercise ID
- * @return - boolean - true if exercise exists, otherwise false
- */
- function read($id)
- {
- global $_configuration;
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
- $table_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $id = intval($id);
- if (empty($this->course_id)) {
- return false;
- }
- $sql = "SELECT * FROM $TBL_EXERCICES WHERE c_id = ".$this->course_id." AND id = ".$id;
- $result = Database::query($sql);
- // if the exercise has been found
- if ($object = Database::fetch_object($result)) {
- $this->id = $id;
- $this->exercise = $object->title;
- $this->name = $object->title;
- $this->title = $object->title;
- $this->description = $object->description;
- $this->sound = $object->sound;
- $this->type = $object->type;
- if (empty($this->type)) {
- $this->type = ONE_PER_PAGE;
- }
- $this->random = $object->random;
- $this->random_answers = $object->random_answers;
- $this->active = $object->active;
- $this->results_disabled = $object->results_disabled;
- $this->attempts = $object->max_attempt;
- $this->feedback_type = $object->feedback_type;
- $this->propagate_neg = $object->propagate_neg;
- $this->randomByCat = $object->random_by_category;
- $this->text_when_finished = $object->text_when_finished;
- $this->display_category_name = $object->display_category_name;
- $this->pass_percentage = $object->pass_percentage;
- $this->is_gradebook_locked = api_resource_is_locked_by_gradebook($id, LINK_EXERCISE);
- $this->review_answers = (isset($object->review_answers) && $object->review_answers == 1) ? true : false;
- $sql = "SELECT max_score FROM $table_lp_item
- WHERE c_id = {$this->course_id} AND
- item_type = '".TOOL_QUIZ."' AND
- path = '".$id."'";
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0) {
- $this->exercise_was_added_in_lp = true;
- }
- $this->force_edit_exercise_in_lp = isset($_configuration['force_edit_exercise_in_lp']) ? $_configuration['force_edit_exercise_in_lp'] : false;
- if ($this->exercise_was_added_in_lp) {
- $this->edit_exercise_in_lp = $this->force_edit_exercise_in_lp == true;
- } else {
- $this->edit_exercise_in_lp = true;
- }
- if ($object->end_time != '0000-00-00 00:00:00') {
- $this->end_time = $object->end_time;
- }
- if ($object->start_time != '0000-00-00 00:00:00') {
- $this->start_time = $object->start_time;
- }
- //control time
- $this->expired_time = $object->expired_time;
- //Checking if question_order is correctly set
- $this->questionList = $this->selectQuestionList(true);
- //overload questions list with recorded questions list
- //load questions only for exercises of type 'one question per page'
- //this is needed only is there is no questions
- /*
- // @todo not sure were in the code this is used somebody mess with the exercise tool
- // @todo don't know who add that config and why $_configuration['live_exercise_tracking']
- global $_configuration, $questionList;
- if ($this->type == ONE_PER_PAGE && $_SERVER['REQUEST_METHOD'] != 'POST' && defined('QUESTION_LIST_ALREADY_LOGGED') &&
- isset($_configuration['live_exercise_tracking']) && $_configuration['live_exercise_tracking']) {
- $this->questionList = $questionList;
- } */
- return true;
- }
- // exercise not found
- return false;
- }
- function getCutTitle()
- {
- return Text::cut($this->exercise, EXERCISE_MAX_NAME_SIZE);
- }
- /**
- * Returns the exercise ID
- *
- * @author - Olivier Brouckaert
- *
- * @return int - exercise ID
- */
- function selectId()
- {
- return $this->id;
- }
- /**
- * returns the exercise title
- *
- * @author - Olivier Brouckaert
- *
- * @return string - exercise title
- */
- function selectTitle()
- {
- return $this->exercise;
- }
- /**
- * returns the number of attempts setted
- *
- * @return numeric - exercise attempts
- */
- function selectAttempts()
- {
- return $this->attempts;
- }
- /** returns the number of FeedbackType *
- * 0=>Feedback , 1=>DirectFeedback, 2=>NoFeedback
- *
- * @return int exercise attempts
- */
- function selectFeedbackType()
- {
- return $this->feedback_type;
- }
- /**
- * returns the time limit
- */
- function selectTimeLimit()
- {
- return $this->timeLimit;
- }
- /**
- * returns the exercise description
- *
- * @author - Olivier Brouckaert
- *
- * @return - string - exercise description
- */
- function selectDescription()
- {
- return $this->description;
- }
- /**
- * returns the exercise sound file
- *
- * @author - Olivier Brouckaert
- *
- * @return - string - exercise description
- */
- function selectSound()
- {
- return $this->sound;
- }
- /**
- * returns the exercise type
- *
- * @author - Olivier Brouckaert
- * @return - integer - exercise type
- */
- function selectType()
- {
- return $this->type;
- }
- /**
- * @author - hubert borderiou 30-11-11
- * @return - integer : do we display the question category name for students
- */
- function selectDisplayCategoryName()
- {
- return $this->display_category_name;
- }
- function selectPassPercentage()
- {
- return $this->pass_percentage;
- }
- /**
- * @author - hubert borderiou 30-11-11
- * @return - : modify object to update the switch display_category_name
- * $in_txt is an integer 0 or 1
- */
- function updateDisplayCategoryName($in_txt)
- {
- $this->display_category_name = $in_txt;
- }
- /**
- * @author - hubert borderiou 28-11-11
- * @return - html text : the text to display ay the end of the test.
- */
- function selectTextWhenFinished()
- {
- return $this->text_when_finished;
- }
- /**
- * @author - hubert borderiou 28-11-11
- * @return - html text : update the text to display ay the end of the test.
- */
- function updateTextWhenFinished($in_txt)
- {
- $this->text_when_finished = $in_txt;
- }
- /**
- * return 1 or 2 if randomByCat
- * @author - hubert borderiou
- * @return - integer - quiz random by category
- */
- 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
- */
- function isRandomByCat()
- {
- $res = 0;
- if ($this->randomByCat == 1) {
- $res = 1;
- } else {
- if ($this->randomByCat == 2) {
- $res = 2;
- }
- }
- return $res;
- }
- /**
- * return nothing
- * update randomByCat value for object
- * @author - hubert borderiou
- */
- function updateRandomByCat($in_randombycat)
- {
- if ($in_randombycat == 1) {
- $this->randomByCat = 1;
- } else {
- if ($in_randombycat == 2) {
- $this->randomByCat = 2;
- } else {
- $this->randomByCat = 0;
- }
- }
- }
- /**
- * tells if questions are selected randomly, and if so returns the draws
- *
- * @author - Carlos Vargas
- * @return - integer - results disabled exercise
- */
- function selectResultsDisabled()
- {
- return $this->results_disabled;
- }
- /**
- * tells if questions are selected randomly, and if so returns the draws
- *
- * @author - Olivier Brouckaert
- * @return - integer - 0 if not random, otherwise the draws
- */
- function isRandom()
- {
- if ($this->random > 0 || $this->random == -1) {
- return true;
- } else {
- return false;
- }
- }
- /**
- * returns random answers status.
- *
- * @author - Juan Carlos Ra�a
- */
- function selectRandomAnswers()
- {
- return $this->random_answers;
- }
- /**
- * Same as isRandom() but has a name applied to values different than 0 or 1
- */
- function getShuffle()
- {
- return $this->random;
- }
- /**
- * returns the exercise status (1 = enabled ; 0 = disabled)
- *
- * @author - Olivier Brouckaert
- * @return - boolean - true if enabled, otherwise false
- */
- function selectStatus()
- {
- return $this->active;
- }
- /**
- * returns the array with the question ID list
- *
- * @author - Olivier Brouckaert
- * @return - array - question ID list
- */
- function selectQuestionList($from_db = false)
- {
- if ($from_db && !empty($this->id)) {
- $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
- $sql = "SELECT DISTINCT e.question_order
- FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
- ON (e.question_id = q.id AND e.c_id = ".$this->course_id." AND q.c_id = ".$this->course_id.")
- WHERE e.exercice_id = '".Database::escape_string($this->id)."'";
- $result = Database::query($sql);
- $count_question_orders = Database::num_rows($result);
- $sql = "SELECT e.question_id, e.question_order
- FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
- ON (e.question_id= q.id AND e.c_id = ".$this->course_id." AND q.c_id = ".$this->course_id.")
- WHERE e.exercice_id = '".Database::escape_string($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;
- $question_list = array();
- while ($new_object = Database::fetch_object($result)) {
- $question_list[$new_object->question_order] = $new_object->question_id;
- $temp_question_list[$counter] = $new_object->question_id;
- $counter++;
- }
- if (!empty($temp_question_list)) {
- if (count($temp_question_list) != $count_question_orders) {
- $question_list = $temp_question_list;
- }
- }
- return $question_list;
- }
- return $this->questionList;
- }
- /**
- * returns the number of questions in this exercise
- *
- * @author - Olivier Brouckaert
- * @return - integer - number of questions
- */
- function selectNbrQuestions()
- {
- return sizeof($this->questionList);
- }
- function selectPropagateNeg()
- {
- return $this->propagate_neg;
- }
- /**
- * Selects questions randomly in the question list
- *
- * @author - Olivier Brouckaert
- * @return - array - if the exercise is not set to take questions randomly, returns the question list
- * without randomizing, otherwise, returns the list with questions selected randomly
- * Modified by Hubert Borderiou 15 nov 2011
- */
- function selectRandomList()
- {
- $nbQuestions = $this->selectNbrQuestions();
- $temp_list = $this->questionList;
- //Not a random exercise, or if there are not at least 2 questions
- if ($this->random == 0 || $nbQuestions < 2) {
- return $this->questionList;
- }
- if ($nbQuestions != 0) {
- shuffle($temp_list);
- $my_random_list = array_combine(range(1, $nbQuestions), $temp_list);
- $my_question_list = array();
- // $this->random == -1 if random with all questions
- if ($this->random > 0) {
- $i = 0;
- foreach ($my_random_list as $item) {
- if ($i < $this->random) {
- $my_question_list[$i] = $item;
- } else {
- break;
- }
- $i++;
- }
- } else {
- $my_question_list = $my_random_list;
- }
- return $my_question_list;
- }
- }
- /**
- * returns 'true' if the question ID is in the question list
- *
- * @author - Olivier Brouckaert
- * @param - integer $questionId - question ID
- * @return - boolean - true if in the list, otherwise false
- */
- function isInList($questionId)
- {
- if (is_array($this->questionList)) {
- return in_array($questionId, $this->questionList);
- } else {
- return false;
- }
- }
- /**
- * changes the exercise title
- *
- * @author - Olivier Brouckaert
- * @param - string $title - exercise title
- */
- function updateTitle($title)
- {
- $this->exercise = $title;
- }
- /**
- * changes the exercise max attempts
- *
- * @param - numeric $attempts - exercise max attempts
- */
- function updateAttempts($attempts)
- {
- $this->attempts = $attempts;
- }
- /**
- * changes the exercise feedback type
- *
- * @param - numeric $attempts - exercise max attempts
- */
- function updateFeedbackType($feedback_type)
- {
- $this->feedback_type = $feedback_type;
- }
- /**
- * changes the exercise description
- *
- * @author - Olivier Brouckaert
- * @param - string $description - exercise description
- */
- function updateDescription($description)
- {
- $this->description = $description;
- }
- /**
- * changes the exercise expired_time
- *
- * @author - Isaac flores
- * @param - int The expired time of the quiz
- */
- function updateExpiredTime($expired_time)
- {
- $this->expired_time = $expired_time;
- }
- function updatePropagateNegative($value)
- {
- $this->propagate_neg = $value;
- }
- function updateReviewAnswers($value)
- {
- $this->review_answers = (isset($value) && $value) ? true : false;
- }
- function updatePassPercentage($value)
- {
- $this->pass_percentage = $value;
- }
- /**
- * changes the exercise sound file
- *
- * @author - Olivier Brouckaert
- * @param - string $sound - exercise sound file
- * @param - string $delete - ask to delete the file
- */
- function updateSound($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)) {
- /* $query="INSERT INTO $TBL_DOCUMENT(path,filetype) VALUES "
- ." ('".str_replace($documentPath,'',$audioPath).'/'.$this->sound."','file')";
- Database::query($query); */
- $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 $type - exercise type
- */
- function updateType($type)
- {
- $this->type = $type;
- }
- /**
- * sets to 0 if questions are not selected randomly
- * if questions are selected randomly, sets the draws
- *
- * @author - Olivier Brouckaert
- * @param - integer $random - 0 if not random, otherwise the draws
- */
- function setRandom($random)
- {
- /* if ($random == 'all') {
- $random = $this->selectNbrQuestions();
- } */
- $this->random = $random;
- }
- /**
- * sets to 0 if answers are not selected randomly
- * if answers are selected randomly
- * @author - Juan Carlos Ra�a
- * @param - integer $random_answers - random answers
- */
- function updateRandomAnswers($random_answers)
- {
- $this->random_answers = $random_answers;
- }
- /**
- * enables the exercise
- *
- * @author - Olivier Brouckaert
- */
- function enable()
- {
- $this->active = 1;
- }
- /**
- * disables the exercise
- *
- * @author - Olivier Brouckaert
- */
- function disable()
- {
- $this->active = 0;
- }
- function disable_results()
- {
- $this->results_disabled = true;
- }
- function enable_results()
- {
- $this->results_disabled = false;
- }
- function updateResultsDisabled($results_disabled)
- {
- $this->results_disabled = intval($results_disabled);
- }
- /**
- * updates the exercise in the data base
- *
- * @author - Olivier Brouckaert
- */
- function save($type_e = '')
- {
- global $_course;
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
- $id = $this->id;
- $exercise = $this->exercise;
- $description = $this->description;
- $sound = $this->sound;
- $type = $this->type;
- $attempts = $this->attempts;
- $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($pass_percentage)."',
- results_disabled='".Database::escape_string($results_disabled)."'";
- }
- $sql .= " WHERE c_id = ".$this->course_id." AND id='".Database::escape_string($id)."'";
- Database::query($sql);
- // update into the item_property table
- api_item_property_update($_course, TOOL_QUIZ, $id, 'QuizUpdated', api_get_user_id());
- if (api_get_setting('search_enabled') == 'true') {
- $this->search_engine_edit();
- }
- } else {
- // creates a new exercise
- $sql = "INSERT INTO $TBL_EXERCICES (c_id, start_time, end_time, title, description, sound, type, random, random_answers, active,
- results_disabled, max_attempt, feedback_type, expired_time, session_id, review_answers, random_by_category,
- text_when_finished, display_category_name, pass_percentage)
- VALUES(
- ".$this->course_id.",
- '$start_time','$end_time',
- '".Database::escape_string($exercise)."',
- '".Database::escape_string($description)."',
- '".Database::escape_string($sound)."',
- '".Database::escape_string($type)."',
- '".Database::escape_string($random)."',
- '".Database::escape_string($random_answers)."',
- '".Database::escape_string($active)."',
- '".Database::escape_string($results_disabled)."',
- '".Database::escape_string($attempts)."',
- '".Database::escape_string($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($pass_percentage)."'
- )";
- Database::query($sql);
- $this->id = Database::insert_id();
- $this->add_exercise_to_order_table();
- // insert into the item_property table
- api_item_property_update($this->course, TOOL_QUIZ, $this->id, 'QuizAdded', api_get_user_id());
- api_set_default_visibility($this->id, TOOL_QUIZ);
- if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian')) {
- $this->search_engine_save();
- }
- }
- // updates the question position
- $this->update_question_positions();
- }
- /* Updates question position */
- function update_question_positions()
- {
- $quiz_question_table = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- //Fixes #3483 when updating order
- $question_list = $this->selectQuestionList(true);
- if (!empty($question_list)) {
- foreach ($question_list as $position => $questionId) {
- $sql = "UPDATE $quiz_question_table SET question_order ='".intval($position)."'".
- "WHERE c_id = ".$this->course_id." AND question_id = ".intval(
- $questionId
- )." AND exercice_id=".intval($this->id);
- Database::query($sql);
- }
- }
- }
- /**
- * Adds a question into the question list
- *
- * @author - Olivier Brouckaert
- * @param - integer $questionId - question ID
- * @return - boolean - true if the question has been added, otherwise false
- */
- function addToList($questionId)
- {
- // checks if the question ID is not in the list
- if (!$this->isInList($questionId)) {
- // selects the max position
- if (!$this->selectNbrQuestions()) {
- $pos = 1;
- } else {
- if (is_array($this->questionList)) {
- $pos = max(array_keys($this->questionList)) + 1;
- }
- }
- $this->questionList[$pos] = $questionId;
- return true;
- }
- return false;
- }
- /**
- * removes a question from the question list
- *
- * @author - Olivier Brouckaert
- * @param - integer $questionId - question ID
- * @return - boolean - true if the question has been removed, otherwise false
- */
- function removeFromList($questionId)
- {
- // searches the position of the question ID in the list
- $pos = array_search($questionId, $this->questionList);
- // question not found
- if ($pos === false) {
- return false;
- } else {
- // dont reduce the number of random question if we use random by category option, or if
- // random all questions
- if ($this->isRandom() && $this->isRandomByCat() == 0) {
- if (count($this->questionList) >= $this->random && $this->random > 0) {
- $this->random -= 1;
- $this->save();
- }
- }
- // deletes the position from the array containing the wanted question ID
- unset($this->questionList[$pos]);
- return true;
- }
- }
- /**
- * deletes the exercise from the database
- * Notice : leaves the question in the data base
- *
- * @author - Olivier Brouckaert
- */
- function delete()
- {
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
- $sql = "UPDATE $TBL_EXERCICES SET active='-1' WHERE c_id = ".$this->course_id." AND id='".Database::escape_string(
- $this->id
- )."'";
- Database::query($sql);
- api_item_property_update($this->course, TOOL_QUIZ, $this->id, 'QuizDeleted', api_get_user_id());
- $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 $form the formvalidator instance (by reference)
- */
- function createForm($form, $type = 'full')
- {
- global $id;
- if (empty($type)) {
- $type = 'full';
- }
- // form title
- if (!empty($_GET['exerciseId'])) {
- $form_title = get_lang('ModifyExercise');
- } else {
- $form_title = get_lang('NewEx');
- }
- $form->addElement('header', $form_title);
- // title
- $form->addElement(
- 'text',
- 'exerciseTitle',
- get_lang('ExerciseName'),
- array('class' => 'span6', 'id' => 'exercise_title')
- );
- //$form->applyFilter('exerciseTitle','html_filter');
- $form->addElement(
- 'advanced_settings',
- '
- <a href="javascript://" onclick=" return show_media()">
- <span id="media_icon">
- <img style="vertical-align: middle;" src="../img/looknfeel.png" alt="" /> '.addslashes(
- api_htmlentities(get_lang('ExerciseDescription'))
- ).'
- </span>
- </a>
- '
- );
- $editor_config = array('ToolbarSet' => 'TestQuestionDescription', 'Width' => '100%', 'Height' => '150');
- if (is_array($type)) {
- $editor_config = array_merge($editor_config, $type);
- }
- $form->addElement('html', '<div class="HideFCKEditor" id="HiddenFCKexerciseDescription" >');
- $form->add_html_editor('exerciseDescription', get_lang('ExerciseDescription'), false, false, $editor_config);
- $form->addElement('html', '</div>');
- $form->addElement(
- 'advanced_settings',
- '<a href="javascript://" onclick=" return advanced_parameters()"><span id="img_plus_and_minus"><div style="vertical-align:top;" >
- <img style="vertical-align:middle;" src="../img/div_show.gif" alt="" /> '.addslashes(
- api_htmlentities(get_lang('AdvancedParameters'))
- ).'</div></span></a>'
- );
- // Random questions
- // style="" and not "display:none" to avoid #4029 Random and number of attempt menu empty
- $form->addElement('html', '<div id="options" style="">');
- if ($type == 'full') {
- /* $feedback_option[0]=get_lang('ExerciseAtTheEndOfTheTest');
- $feedback_option[1]=get_lang('DirectFeedback');
- $feedback_option[2]=get_lang('NoFeedback');
- */
- //Can't modify a DirectFeedback question
- if ($this->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_DIRECT) {
- // feedback type
- $radios_feedback = array();
- $radios_feedback[] = $form->createElement(
- 'radio',
- 'exerciseFeedbackType',
- null,
- get_lang('ExerciseAtTheEndOfTheTest'),
- '0',
- array('id' => 'exerciseType_0', 'onclick' => 'check_feedback()')
- );
- if (api_get_setting('enable_quiz_scenario') == 'true') {
- //Can't convert a question from one feedback to another if there is more than 1 question already added
- if ($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'), '');
- // test type
- $radios = array();
- $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')
- );
- $form->addGroup($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[] = $form->createElement(
- 'radio',
- 'results_disabled',
- null,
- get_lang('OnlyShowScore'),
- '2',
- array('id' => 'result_disabled_2', 'onclick' => 'check_results_disabled()')
- );
- //$radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('ExamModeWithFinalScoreShowOnlyFinalScoreWithCategoriesIfAvailable'), '3', array('id'=>'result_disabled_3','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'));
- //$form->addElement('select', 'exerciseFeedbackType',get_lang('FeedbackType'),$feedback_option,'onchange="javascript:feedbackselection()"');
- // test type
- $radios = array();
- $radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'), '1');
- $radios[] = $form->createElement(
- 'radio',
- 'exerciseType',
- null,
- get_lang('SequentialExercise'),
- '2'
- );
- $form->addGroup($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);
- }
- }
- // 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', 'class' => 'chzn-select')
- );
- //random answers
- $radios_random_answers = array();
- $radios_random_answers[] = $form->createElement('radio', 'randomAnswers', null, get_lang('Yes'), '1');
- $radios_random_answers[] = $form->createElement('radio', 'randomAnswers', null, get_lang('No'), '0');
- $form->addGroup($radios_random_answers, null, get_lang('RandomAnswers'), '');
- //randow by category
- $form->addElement('html', '<div class="clear"> </div>');
- $radiocat = array();
- $radiocat[] = $form->createElement(
- 'radio',
- 'randomByCat',
- null,
- get_lang('YesWithCategoriesShuffled'),
- '1'
- );
- $radiocat[] = $form->createElement('radio', 'randomByCat', null, get_lang('YesWithCategoriesSorted'), '2');
- $radiocat[] = $form->createElement('radio', 'randomByCat', null, get_lang('No'), '0');
- $form->addGroup($radiocat, null, get_lang('RandomQuestionByCategory'), '');
- $form->addElement('html', '<div class="clear"> </div>');
- // add the radio display the category name for student
- $radio_display_cat_name = array();
- $radio_display_cat_name[] = $form->createElement(
- 'radio',
- 'display_category_name',
- null,
- get_lang('Yes'),
- '1'
- );
- $radio_display_cat_name[] = $form->createElement(
- 'radio',
- 'display_category_name',
- null,
- get_lang('No'),
- '0'
- );
- $form->addGroup($radio_display_cat_name, null, get_lang('QuestionDisplayCategoryName'), '');
- //Attempts
- $attempt_option = range(0, 10);
- $attempt_option[0] = get_lang('Infinite');
- $form->addElement(
- 'select',
- 'exerciseAttempts',
- get_lang('ExerciseAttempts'),
- $attempt_option,
- array('id' => 'exerciseAttempts', 'class' => 'chzn-select')
- );
- // Exercice time limit
- $form->addElement(
- 'checkbox',
- 'activate_start_date_check',
- null,
- get_lang('EnableStartTime'),
- array('onclick' => 'activate_start_date()')
- );
- $var = Exercise::selectTimeLimit();
- if (($this->start_time != '0000-00-00 00:00:00')) {
- $form->addElement('html', '<div id="start_date_div" style="display:block;">');
- } else {
- $form->addElement('html', '<div id="start_date_div" style="display:none;">');
- }
- $form->addElement('datepicker', 'start_time', '', array('form_name' => 'exercise_admin'), 5);
- $form->addElement('html', '</div>');
- $form->addElement(
- 'checkbox',
- 'activate_end_date_check',
- null,
- get_lang('EnableEndTime'),
- array('onclick' => 'activate_end_date()')
- );
- if (($this->end_time != '0000-00-00 00:00:00')) {
- $form->addElement('html', '<div id="end_date_div" style="display:block;">');
- } else {
- $form->addElement('html', '<div id="end_date_div" style="display:none;">');
- }
- $form->addElement('datepicker', 'end_time', '', array('form_name' => 'exercise_admin'), 5);
- $form->addElement('html', '</div>');
- //$check_option=$this->selectType();
- $diplay = 'block';
- $form->addElement('checkbox', 'propagate_neg', null, get_lang('PropagateNegativeResults'));
- $form->addElement('html', '<div class="clear"> </div>');
- $form->addElement('checkbox', 'review_answers', null, get_lang('ReviewAnswers'));
- $form->addElement('html', '<div id="divtimecontrol" style="display:'.$diplay.';">');
- //Timer control
- //$time_hours_option = range(0,12);
- //$time_minutes_option = range(0,59);
- $form->addElement(
- 'checkbox',
- 'enabletimercontrol',
- null,
- get_lang('EnableTimerControl'),
- array(
- 'onclick' => 'option_time_expired()',
- 'id' => 'enabletimercontrol',
- 'onload' => 'check_load_time()'
- )
- );
- $expired_date = (int)$this->selectExpiredTime();
- if (($expired_date != '0')) {
- $form->addElement('html', '<div id="timercontrol" style="display:block;">');
- } else {
- $form->addElement('html', '<div id="timercontrol" style="display:none;">');
- }
- $form->addElement(
- 'text',
- 'enabletimercontroltotalminutes',
- get_lang('ExerciseTotalDurationInMinutes'),
- array('style' => 'width : 35px', 'id' => 'enabletimercontroltotalminutes')
- );
- $form->addElement('html', '</div>');
- $form->addElement(
- 'text',
- 'pass_percentage',
- array(get_lang('PassPercentage'), null, '%'),
- array('id' => 'pass_percentage')
- );
- $form->addRule('pass_percentage', get_lang('Numeric'), 'numeric');
- // add the text_when_finished textbox
- $form->add_html_editor('text_when_finished', get_lang('TextWhenFinished'), false, false, $editor_config);
- $defaults = array();
- if (api_get_setting('search_enabled') === 'true') {
- require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
- $form->addElement('checkbox', 'index_document', '', get_lang('SearchFeatureDoIndexDocument'));
- $form->addElement('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(', ', $arr_str_values);
- }
- }
- //$form->addElement ('html','</div>');
- }
- $form->addElement('html', '</div>'); //End advanced setting
- $form->addElement('html', '</div>');
- }
- // 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'] = $this->selectPassPercentage();
- if (($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['exerciseType'] = 2;
- $defaults['exerciseAttempts'] = 0;
- $defaults['randomQuestions'] = 0;
- $defaults['randomAnswers'] = 0;
- $defaults['exerciseDescription'] = '';
- $defaults['exerciseFeedbackType'] = 0;
- $defaults['results_disabled'] = 0;
- $defaults['randomByCat'] = 0; //
- $defaults['text_when_finished'] = ""; //
- $defaults['start_time'] = date('Y-m-d 12:00:00');
- $defaults['display_category_name'] = 1; //
- $defaults['end_time'] = date('Y-m-d 12:00:00', time() + 84600);
- $defaults['pass_percentage'] = '';
- }
- } else {
- $defaults['exerciseTitle'] = $this->selectTitle();
- $defaults['exerciseDescription'] = $this->selectDescription();
- }
- if (api_get_setting('search_enabled') === 'true') {
- $defaults['index_document'] = 'checked="checked"';
- }
- $form->setDefaults($defaults);
- }
- /**
- * function which process the creation of exercises
- * @param FormValidator $form the formvalidator instance
- */
- function processCreation($form, $type = '')
- {
- $this->updateTitle($form->getSubmitValue('exerciseTitle'));
- $this->updateDescription($form->getSubmitValue('exerciseDescription'));
- $this->updateAttempts($form->getSubmitValue('exerciseAttempts'));
- $this->updateFeedbackType($form->getSubmitValue('exerciseFeedbackType'));
- $this->updateType($form->getSubmitValue('exerciseType'));
- $this->setRandom($form->getSubmitValue('randomQuestions'));
- $this->updateRandomAnswers($form->getSubmitValue('randomAnswers'));
- $this->updateResultsDisabled($form->getSubmitValue('results_disabled'));
- $this->updateExpiredTime($form->getSubmitValue('enabletimercontroltotalminutes'));
- $this->updatePropagateNegative($form->getSubmitValue('propagate_neg'));
- $this->updateRandomByCat($form->getSubmitValue('randomByCat'));
- $this->updateTextWhenFinished($form->getSubmitValue('text_when_finished'));
- $this->updateDisplayCategoryName($form->getSubmitValue('display_category_name'));
- $this->updateReviewAnswers($form->getSubmitValue('review_answers'));
- $this->updatePassPercentage($form->getSubmitValue('pass_percentage'));
- if ($form->getSubmitValue('activate_start_date_check') == 1) {
- $start_time = $form->getSubmitValue('start_time');
- $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);
- }
- 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();
- }
- }
- }
- 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);
- }
- }
- function selectExpiredTime()
- {
- return $this->expired_time;
- }
- /**
- * Cleans the student's results only for the Exercise tool (Not from the LP)
- * The LP results are NOT deleted
- * Works with exercises in sessions
- * @return int quantity of user's exercises deleted
- */
- function clean_results()
- {
- $table_track_e_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $table_track_e_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $sql_select = "SELECT exe_id FROM $table_track_e_exercises
- WHERE exe_cours_id = '".api_get_course_id()."' AND
- exe_exo_id = ".$this->id." AND
- orig_lp_id = 0 AND
- orig_lp_item_id = 0 AND
- session_id = ".api_get_session_id()."";
- $result = Database::query($sql_select);
- $exe_list = Database::store_result($result);
- //deleting TRACK_E_ATTEMPT table
- $i = 0;
- if (is_array($exe_list) && count($exe_list) > 0) {
- foreach ($exe_list as $item) {
- $sql = "DELETE FROM $table_track_e_attempt WHERE exe_id = '".$item['exe_id']."'";
- Database::query($sql);
- $i++;
- }
- }
- //delete TRACK_E_EXERCICES table
- $sql = "DELETE FROM $table_track_e_exercises
- WHERE exe_cours_id = '".api_get_course_id(
- )."' AND exe_exo_id = ".$this->id." AND orig_lp_id = 0 AND orig_lp_item_id = 0 AND session_id = ".api_get_session_id(
- )."";
- Database::query($sql);
- return $i;
- }
- function get_last_exercise_order()
- {
- $table = Database::get_course_table(TABLE_QUIZ_ORDER);
- $sql = "SELECT exercise_order FROM $table 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;
- }
- function get_exercise_order()
- {
- $table = Database::get_course_table(TABLE_QUIZ_ORDER);
- $sql = "SELECT exercise_order FROM $table WHERE exercise_id = {$this->id}";
- $result = Database::query($sql);
- if (Database::num_rows($result)) {
- $row = Database::fetch_array($result);
- return $row['exercise_order'];
- }
- return false;
- }
- function add_exercise_to_order_table()
- {
- $table = Database::get_course_table(TABLE_QUIZ_ORDER);
- $last_order = $this->get_last_exercise_order();
- $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 = $this->get_exercise_order();
- if ($current_exercise_order == false) {
- Database::insert(
- $table,
- array(
- 'exercise_id' => $this->id,
- 'exercise_order' => $last_order + 1,
- 'c_id' => $course_id,
- 'session_id' => api_get_session_id(),
- )
- );
- }
- }
- }
- function update_exercise_list_order($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()
- {
- $exercise_obj = new Exercise();
- $exercise_obj = $this;
- // 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();
- $question_list = $exercise_obj->selectQuestionList();
- if (!empty($question_list)) {
- //Question creation
- foreach ($question_list as $old_question_id) {
- $old_question_obj = Question::read($old_question_id);
- $new_id = $old_question_obj->duplicate();
- if ($new_id) {
- $new_question_obj = Question::read($new_id);
- if (isset($new_question_obj) && $new_question_obj) {
- $new_question_obj->addToList($new_exercise_id);
- // This should be moved to the duplicate function
- $new_answer_obj = new Answer($old_question_id);
- $new_answer_obj->read();
- $new_answer_obj->duplicate($new_id);
- }
- }
- }
- }
- }
- /**
- * Changes the exercise id
- *
- * @param - in $id - exercise id
- */
- private function updateId($id)
- {
- $this->id = $id;
- }
- /**
- * Changes the exercise status
- *
- * @param - string $status - exercise status
- */
- function updateStatus($status)
- {
- $this->active = $status;
- }
- public function get_stat_track_exercise_info(
- $lp_id = 0,
- $lp_item_id = 0,
- $lp_item_view_id = 0,
- $status = 'incomplete'
- ) {
- $track_exercises = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- if (empty($lp_id)) {
- $lp_id = 0;
- }
- if (empty($lp_item_id)) {
- $lp_item_id = 0;
- }
- if (empty($lp_item_view_id)) {
- $lp_item_view_id = 0;
- }
- $condition = ' WHERE exe_exo_id = '."'".$this->id."'".' AND
- exe_user_id = '."'".api_get_user_id()."'".' AND
- exe_cours_id = '."'".api_get_course_id()."'".' AND
- status = '."'".Database::escape_string($status)."'".' AND
- orig_lp_id = '."'".$lp_id."'".' AND
- orig_lp_item_id = '."'".$lp_item_id."'".' AND
- orig_lp_item_view_id = '."'".$lp_item_view_id."'".' AND
- session_id = '."'".api_get_session_id()."' LIMIT 1"; //Adding limit 1 just in case
- $sql_track = 'SELECT * FROM '.$track_exercises.$condition;
- $result = Database::query($sql_track);
- $new_array = array();
- if (Database::num_rows($result) > 0) {
- $new_array = Database::fetch_array($result, 'ASSOC');
- }
- return $new_array;
- }
- /**
- * Saves a test attempt
- *
- * @param int clock_expired_time
- * @param int lp id
- * @param int lp item id
- * @param int lp item_view id
- * @param array question list
- */
- public function save_stat_track_exercise_info(
- $clock_expired_time = 0,
- $safe_lp_id = 0,
- $safe_lp_item_id = 0,
- $safe_lp_item_view_id = 0,
- $questionList = array(),
- $weight = 0
- ) {
- $track_exercises = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $safe_lp_id = intval($safe_lp_id);
- $safe_lp_item_id = intval($safe_lp_item_id);
- $safe_lp_item_view_id = intval($safe_lp_item_view_id);
- if (empty($safe_lp_id)) {
- $safe_lp_id = 0;
- }
- if (empty($safe_lp_item_id)) {
- $safe_lp_item_id = 0;
- }
- if (empty($clock_expired_time)) {
- $clock_expired_time = 0;
- }
- if ($this->expired_time != 0) {
- $sql_fields = "expired_time_control, ";
- $sql_fields_values = "'"."$clock_expired_time"."',";
- } else {
- $sql_fields = "";
- $sql_fields_values = "";
- }
- $questionList = array_map('intval', $questionList);
- $weight = Database::escape_string($weight);
- $sql = "INSERT INTO $track_exercises ($sql_fields exe_exo_id, exe_user_id, exe_cours_id, status, session_id, data_tracking, start_date, orig_lp_id, orig_lp_item_id, exe_weighting)
- VALUES($sql_fields_values '".$this->id."','".api_get_user_id()."','".api_get_course_id(
- )."', 'incomplete','".api_get_session_id()."','".implode(',', $questionList)."', '".api_get_utc_datetime(
- )."', '$safe_lp_id', '$safe_lp_item_id', '$weight')";
- Database::query($sql);
- $id = Database::insert_id();
- return $id;
- }
- public function show_button($question_id, $questionNum, $questions_in_media = array())
- {
- global $origin, $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id;
- $nbrQuestions = $this->get_count_question_list();
- $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>';
- }
- $html .= '<br />';
- } else {
- //User
- if (api_is_allowed_to_session_edit()) {
- if ($this->type == ALL_ON_ONE_PAGE || $nbrQuestions == $questionNum) {
- if ($this->review_answers) {
- $label = get_lang('ReviewQuestions');
- $class = 'btn btn-success';
- } else {
- $label = get_lang('EndTest');
- $class = 'btn btn-warning';
- }
- } 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.', '.$question_id.' ); ">'.get_lang(
- 'PreviousQuestion'
- ).'</a>';
- }
- //Next question
- if (!empty($questions_in_media)) {
- $questions_in_media = "['".implode("','", $questions_in_media)."']";
- $all_button .= ' <a href="javascript://" class="'.$class.'" onclick="save_question_list('.$questions_in_media.'); ">'.$label.'</a>';
- } else {
- $all_button .= ' <a href="javascript://" class="'.$class.'" onclick="save_now('.$question_id.'); ">'.$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();
- }
- $(document).ready(function() {
- var current_time = new Date().getTime();
- var time_left = parseInt(".$time_left."); // time in seconds when using minutes there are some seconds lost
- 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 manage_answer(
- $exeId,
- $questionId,
- $choice,
- $from = 'exercise_show',
- $exerciseResultCoordinates = array(),
- $saved_results = true,
- $from_database = false,
- $show_result = true,
- $propagate_neg = 0,
- $hotspot_delineation_result = array()
- ) {
- global $feedback_type, $debug;
- global $learnpath_id, $learnpath_item_id; //needed in order to use in the exercise_attempt() for the time
- require_once api_get_path(LIBRARY_PATH).'geometry.lib.php';
- if ($debug) {
- error_log("<------ manage_answer ------> ");
- error_log('called exe_id: '.$exeId);
- error_log('$from: '.$from);
- error_log('$saved_results: '.$saved_results);
- error_log('$from_database: '.$from_database);
- error_log('$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);
- }
- $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_statistic_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);
- $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) {
- require_once api_get_path(LIBRARY_PATH).'nanogong.lib.php';
- $exe_info = get_exercise_results_by_attempt($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
- $sql_answer = 'SELECT id, answer FROM '.$table_ans.' WHERE c_id = '.$course_id.' AND question_id = "'.$questionId.'" ';
- $res_answer = Database::query($sql_answer);
- $answer_matching = array();
- while ($real_answer = Database::fetch_array($res_answer)) {
- $answer_matching[$real_answer['id']] = $real_answer['answer'];
- }
- $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++) {
- $answer = $objAnswerTmp->selectAnswer($answerId);
- $answerComment = $objAnswerTmp->selectComment($answerId);
- $answerCorrect = $objAnswerTmp->isCorrect($answerId);
- $answerWeighting = (float)$objAnswerTmp->selectWeighting($answerId);
- $numAnswer = $objAnswerTmp->selectAutoId($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);
- $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)) {
- $ind = $row['answer'];
- $choice[$ind] = 1;
- }
- $numAnswer = $objAnswerTmp->selectAutoId($answerId);
- $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;
- }
- }
- } 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);
- $str = Database::result($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);
- $choice = Database::result($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 += $questionScore;
- }
- if ($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) {
- $sql_answer = 'SELECT id, answer FROM '.$table_ans.' WHERE c_id = '.$course_id.' AND question_id="'.$questionId.'" AND correct=0';
- $res_answer = Database::query($sql_answer);
- // getting the real answer
- $real_list = array();
- while ($real_answer = Database::fetch_array($res_answer)) {
- $real_list[$real_answer['id']] = $real_answer['answer'];
- }
- $sql_select_answer = 'SELECT id, answer, correct, id_auto FROM '.$table_ans.'
- WHERE c_id = '.$course_id.' AND question_id="'.$questionId.'" AND correct <> 0 ORDER BY id_auto';
- $res_answers = Database::query($sql_select_answer);
- $questionScore = 0;
- while ($a_answers = Database::fetch_array($res_answers)) {
- $i_answer_id = $a_answers['id']; //3
- $s_answer_label = $a_answers['answer']; // your daddy - your mother
- $i_answer_correct_answer = $a_answers['correct']; //1 - 2
- $i_answer_id_auto = $a_answers['id_auto']; // 3 - 4
- $sql_user_answer = "SELECT answer FROM $TBL_TRACK_ATTEMPT
- WHERE exe_id = '$exeId' AND question_id = '$questionId' AND position='$i_answer_id_auto'";
- $res_user_answer = Database::query($sql_user_answer);
- if (Database::num_rows($res_user_answer) > 0) {
- $s_user_answer = Database::result($res_user_answer, 0, 0); // rich - good looking
- } else {
- $s_user_answer = 0;
- }
- $i_answerWeighting = $objAnswerTmp->selectWeighting($i_answer_id);
- $user_answer = '';
- if (!empty($s_user_answer)) {
- if ($s_user_answer == $i_answer_correct_answer) {
- $questionScore += $i_answerWeighting;
- $totalScore += $i_answerWeighting;
- if ($answerType == DRAGGABLE) {
- $user_answer = Display::label(get_lang('Correct'), 'success');
- } else {
- $user_answer = '<span>'.$real_list[$i_answer_correct_answer].'</span>';
- }
- } else {
- if ($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[$i_answer_correct_answer].'</span></b>';
- }
- echo '</td>';
- echo '</tr>';
- }
- }
- break(2); //break the switch and the "for" condition
- } else {
- $numAnswer = $objAnswerTmp->selectAutoId($answerId);
- if ($answerCorrect) {
- if ($answerCorrect == $choice[$numAnswer]) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- $user_answer = '<span>'.$answer_matching[$choice[$numAnswer]].'</span>';
- } else {
- if ($choice[$numAnswer]) {
- $user_answer = '<span style="color: #FF0000; text-decoration: line-through;">'.$answer_matching[$choice[$numAnswer]].'</span>';
- }
- }
- $matching[$numAnswer] = $choice[$numAnswer];
- }
- break;
- }
- // for hotspot with no order
- case HOT_SPOT :
- if ($from_database) {
- if ($show_result) {
- $TBL_TRACK_HOTSPOT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
- $query = "SELECT hotspot_correct FROM ".$TBL_TRACK_HOTSPOT." WHERE hotspot_exe_id = '".$exeId."' and hotspot_question_id= '".$questionId."' AND hotspot_answer_id='".Database::escape_string(
- $answerId
- )."'";
- $resq = Database::query($query);
- $studentChoice = Database::result($resq, 0, "hotspot_correct");
- if ($studentChoice) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- }
- }
- } else {
- $studentChoice = $choice[$answerId];
- if ($studentChoice) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- }
- }
- break;
- // @todo never added to chamilo
- //for hotspot with fixed order
- case HOT_SPOT_ORDER :
- $studentChoice = $choice['order'][$answerId];
- if ($studentChoice == $answerId) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- $studentChoice = true;
- } else {
- $studentChoice = false;
- }
- break;
- // for hotspot with delineation
- case HOT_SPOT_DELINEATION :
- if ($from_database) {
- // getting the user answer
- $TBL_TRACK_HOTSPOT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
- $query = "SELECT hotspot_correct, hotspot_coordinate from ".$TBL_TRACK_HOTSPOT." where hotspot_exe_id = '".$exeId."' and hotspot_question_id= '".$questionId."' AND hotspot_answer_id='1'"; //by default we take 1 because it's a delineation
- $resq = Database::query($query);
- $row = Database::fetch_array($resq, 'ASSOC');
- $choice = $row['hotspot_correct'];
- $user_answer = $row['hotspot_coordinate'];
- // THIS is very important otherwise the poly_compile will throw an error!!
- // round-up the coordinates
- $coords = explode('/', $user_answer);
- $user_array = '';
- foreach ($coords as $coord) {
- list($x, $y) = explode(';', $coord);
- $user_array .= round($x).';'.round($y).'/';
- }
- $user_array = substr($user_array, 0, -1);
- } else {
- if ($studentChoice) {
- $newquestionList[] = $questionId;
- }
- if ($answerId === 1) {
- $studentChoice = $choice[$answerId];
- $questionScore += $answerWeighting;
- if ($hotspot_delineation_result[1] == 1) {
- $totalScore += $answerWeighting; //adding the total
- }
- }
- }
- $_SESSION['hotspot_coord'][1] = $delineation_cord;
- $_SESSION['hotspot_dest'][1] = $answer_delineation_destination;
- break;
- } // end switch Answertype
- global $origin;
- if ($show_result) {
- if ($debug) {
- error_log('show result '.$show_result);
- }
- if ($from == 'exercise_result') {
- if ($debug) {
- error_log('Showing questions $from '.$from);
- }
- //display answers (if not matching type, or if the answer is correct)
- if (!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(
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- 0,
- 0,
- 0
- );
- } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
- ExerciseShowFunctions::display_multiple_answer_true_false(
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- 0,
- $questionId,
- 0
- );
- } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
- ExerciseShowFunctions::display_multiple_answer_combination_true_false(
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- 0,
- 0,
- 0
- );
- } elseif ($answerType == FILL_IN_BLANKS) {
- ExerciseShowFunctions::display_fill_in_blanks_answer($answer, 0, 0);
- } elseif ($answerType == FREE_ANSWER) {
- ExerciseShowFunctions::display_free_answer(
- $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) {
- // if ($origin != 'learnpath') {
- ExerciseShowFunctions::display_hotspot_answer(
- $answerId,
- $answer,
- $studentChoice,
- $answerComment
- );
- // }
- } elseif ($answerType == HOT_SPOT_ORDER) {
- // if ($origin != 'learnpath') {
- ExerciseShowFunctions::display_hotspot_order_answer(
- $answerId,
- $answer,
- $studentChoice,
- $answerComment
- );
- // }
- } elseif ($answerType == HOT_SPOT_DELINEATION) {
- $user_answer = $_SESSION['exerciseResultCoordinates'][$questionId];
- //round-up the coordinates
- $coords = explode('/', $user_answer);
- $user_array = '';
- foreach ($coords as $coord) {
- list($x, $y) = explode(';', $coord);
- $user_array .= round($x).';'.round($y).'/';
- }
- $user_array = substr($user_array, 0, -1);
- if ($next) {
- //$tbl_track_e_hotspot = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
- // Save into db
- /* $sql = "INSERT INTO $tbl_track_e_hotspot (hotspot_user_id, hotspot_course_code, hotspot_exe_id, hotspot_question_id, hotspot_answer_id, hotspot_correct, hotspot_coordinate )
- VALUES ('".Database::escape_string($_user['user_id'])."', '".Database::escape_string($_course['id'])."', '".Database::escape_string($exeId)."', '".Database::escape_string($questionId)."', '".Database::escape_string($answerId)."', '".Database::escape_string($studentChoice)."', '".Database::escape_string($user_array)."')";
- $result = api_sql_query($sql,__FILE__,__LINE__); */
- $user_answer = $user_array;
- // we compare only the delineation not the other points
- $answer_question = $_SESSION['hotspot_coord'][1];
- $answerDestination = $_SESSION['hotspot_dest'][1];
- //calculating the area
- $poly_user = convert_coordinates($user_answer, '/');
- $poly_answer = convert_coordinates($answer_question, '|');
- $max_coord = poly_get_max($poly_user, $poly_answer);
- $poly_user_compiled = poly_compile($poly_user, $max_coord);
- $poly_answer_compiled = poly_compile($poly_answer, $max_coord);
- $poly_results = poly_result($poly_answer_compiled, $poly_user_compiled, $max_coord);
- $overlap = $poly_results['both'];
- $poly_answer_area = $poly_results['s1'];
- $poly_user_area = $poly_results['s2'];
- $missing = $poly_results['s1Only'];
- $excess = $poly_results['s2Only'];
- //$overlap = round(polygons_overlap($poly_answer,$poly_user)); //this is an area in pixels
- if ($debug > 0) {
- error_log(__LINE__.' - Polygons results are '.print_r($poly_results, 1), 0);
- }
- if ($overlap < 1) {
- //shortcut to avoid complicated calculations
- $final_overlap = 0;
- $final_missing = 100;
- $final_excess = 100;
- } else {
- // the final overlap is the percentage of the initial polygon that is overlapped by the user's polygon
- $final_overlap = round(((float)$overlap / (float)$poly_answer_area) * 100);
- if ($debug > 1) {
- error_log(__LINE__.' - Final overlap is '.$final_overlap, 0);
- }
- // the final missing area is the percentage of the initial polygon that is not overlapped by the user's polygon
- $final_missing = 100 - $final_overlap;
- if ($debug > 1) {
- error_log(__LINE__.' - Final missing is '.$final_missing, 0);
- }
- // the final excess area is the percentage of the initial polygon's size that is covered by the user's polygon outside of the initial polygon
- $final_excess = round(
- (((float)$poly_user_area - (float)$overlap) / (float)$poly_answer_area) * 100
- );
- if ($debug > 1) {
- error_log(__LINE__.' - Final excess is '.$final_excess, 0);
- }
- }
- //checking the destination parameters parsing the "@@"
- $destination_items = explode('@@', $answerDestination);
- $threadhold_total = $destination_items[0];
- $threadhold_items = explode(';', $threadhold_total);
- $threadhold1 = $threadhold_items[0]; // overlap
- $threadhold2 = $threadhold_items[1]; // excess
- $threadhold3 = $threadhold_items[2]; //missing
- // if is delineation
- if ($answerId === 1) {
- //setting colors
- if ($final_overlap >= $threadhold1) {
- $overlap_color = true; //echo 'a';
- }
- //echo $excess.'-'.$threadhold2;
- if ($final_excess <= $threadhold2) {
- $excess_color = true; //echo 'b';
- }
- //echo '--------'.$missing.'-'.$threadhold3;
- if ($final_missing <= $threadhold3) {
- $missing_color = true; //echo 'c';
- }
- // if pass
- if ($final_overlap >= $threadhold1 && $final_missing <= $threadhold3 && $final_excess <= $threadhold2) {
- $next = 1; //go to the oars
- $result_comment = get_lang('Acceptable');
- $final_answer = 1; // do not update with update_exercise_attempt
- } else {
- $next = 0;
- $result_comment = get_lang('Unacceptable');
- $comment = $answerDestination = $objAnswerTmp->selectComment(1);
- $answerDestination = $objAnswerTmp->selectDestination(1);
- //checking the destination parameters parsing the "@@"
- $destination_items = explode('@@', $answerDestination);
- }
- } elseif ($answerId > 1) {
- if ($objAnswerTmp->selectHotspotType($answerId) == 'noerror') {
- if ($debug > 0) {
- error_log(__LINE__.' - answerId is of type noerror', 0);
- }
- //type no error shouldn't be treated
- $next = 1;
- continue;
- }
- if ($debug > 0) {
- error_log(__LINE__.' - answerId is >1 so we\'re probably in OAR', 0);
- }
- //check the intersection between the oar and the user
- //echo 'user'; print_r($x_user_list); print_r($y_user_list);
- //echo 'official';print_r($x_list);print_r($y_list);
- //$result = get_intersection_data($x_list,$y_list,$x_user_list,$y_user_list);
- $inter = $result['success'];
- //$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
- $delineation_cord = $objAnswerTmp->selectHotspotCoordinates($answerId);
- $poly_answer = convert_coordinates($delineation_cord, '|');
- $max_coord = poly_get_max($poly_user, $poly_answer);
- $poly_answer_compiled = poly_compile($poly_answer, $max_coord);
- $overlap = poly_touch($poly_user_compiled, $poly_answer_compiled, $max_coord);
- if ($overlap == false) {
- //all good, no overlap
- $next = 1;
- continue;
- } else {
- if ($debug > 0) {
- error_log(__LINE__.' - Overlap is '.$overlap.': OAR hit', 0);
- }
- $organs_at_risk_hit++;
- //show the feedback
- $next = 0;
- $comment = $answerDestination = $objAnswerTmp->selectComment($answerId);
- $answerDestination = $objAnswerTmp->selectDestination($answerId);
- $destination_items = explode('@@', $answerDestination);
- $try_hotspot = $destination_items[1];
- $lp_hotspot = $destination_items[2];
- $select_question_hotspot = $destination_items[3];
- $url_hotspot = $destination_items[4];
- }
- }
- } else { // the first delineation feedback
- if ($debug > 0) {
- error_log(__LINE__.' first', 0);
- }
- }
- } elseif ($answerType == MATCHING) {
- //if ($origin != 'learnpath') {
- echo '<tr>';
- echo '<td>'.$answer_matching[$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(
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- $answerId
- );
- } else {
- ExerciseShowFunctions::display_unique_or_multiple_answer(
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- ""
- );
- }
- break;
- case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
- if ($answerId == 1) {
- ExerciseShowFunctions::display_multiple_answer_combination_true_false(
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- $answerId
- );
- } else {
- ExerciseShowFunctions::display_multiple_answer_combination_true_false(
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- ""
- );
- }
- break;
- case MULTIPLE_ANSWER_TRUE_FALSE :
- if ($answerId == 1) {
- ExerciseShowFunctions::display_multiple_answer_true_false(
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- $answerId
- );
- } else {
- ExerciseShowFunctions::display_multiple_answer_true_false(
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- ""
- );
- }
- break;
- case FILL_IN_BLANKS:
- ExerciseShowFunctions::display_fill_in_blanks_answer($answer, $exeId, $questionId);
- break;
- case FREE_ANSWER:
- echo ExerciseShowFunctions::display_free_answer(
- $choice,
- $exeId,
- $questionId,
- $questionScore
- );
- break;
- case ORAL_EXPRESSION:
- echo '<tr>
- <td valign="top">'.ExerciseShowFunctions::display_oral_expression_answer(
- $choice,
- $exeId,
- $questionId,
- $nano
- ).'</td>
- </tr>
- </table>';
- break;
- case HOT_SPOT:
- ExerciseShowFunctions::display_hotspot_answer(
- $answerId,
- $answer,
- $studentChoice,
- $answerComment
- );
- break;
- case HOT_SPOT_DELINEATION:
- $user_answer = $user_array;
- if ($next) {
- //$tbl_track_e_hotspot = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
- // Save into db
- /* $sql = "INSERT INTO $tbl_track_e_hotspot (hotspot_user_id, hotspot_course_code, hotspot_exe_id, hotspot_question_id, hotspot_answer_id, hotspot_correct, hotspot_coordinate )
- VALUES ('".Database::escape_string($_user['user_id'])."', '".Database::escape_string($_course['id'])."', '".Database::escape_string($exeId)."', '".Database::escape_string($questionId)."', '".Database::escape_string($answerId)."', '".Database::escape_string($studentChoice)."', '".Database::escape_string($user_array)."')";
- $result = api_sql_query($sql,__FILE__,__LINE__); */
- $user_answer = $user_array;
- // we compare only the delineation not the other points
- $answer_question = $_SESSION['hotspot_coord'][1];
- $answerDestination = $_SESSION['hotspot_dest'][1];
- //calculating the area
- $poly_user = convert_coordinates($user_answer, '/');
- $poly_answer = convert_coordinates($answer_question, '|');
- $max_coord = poly_get_max($poly_user, $poly_answer);
- $poly_user_compiled = poly_compile($poly_user, $max_coord);
- $poly_answer_compiled = poly_compile($poly_answer, $max_coord);
- $poly_results = poly_result($poly_answer_compiled, $poly_user_compiled, $max_coord);
- $overlap = $poly_results['both'];
- $poly_answer_area = $poly_results['s1'];
- $poly_user_area = $poly_results['s2'];
- $missing = $poly_results['s1Only'];
- $excess = $poly_results['s2Only'];
- //$overlap = round(polygons_overlap($poly_answer,$poly_user)); //this is an area in pixels
- if ($debug > 0) {
- error_log(__LINE__.' - Polygons results are '.print_r($poly_results, 1), 0);
- }
- if ($overlap < 1) {
- //shortcut to avoid complicated calculations
- $final_overlap = 0;
- $final_missing = 100;
- $final_excess = 100;
- } else {
- // the final overlap is the percentage of the initial polygon that is overlapped by the user's polygon
- $final_overlap = round(((float)$overlap / (float)$poly_answer_area) * 100);
- if ($debug > 1) {
- error_log(__LINE__.' - Final overlap is '.$final_overlap, 0);
- }
- // the final missing area is the percentage of the initial polygon that is not overlapped by the user's polygon
- $final_missing = 100 - $final_overlap;
- if ($debug > 1) {
- error_log(__LINE__.' - Final missing is '.$final_missing, 0);
- }
- // the final excess area is the percentage of the initial polygon's size that is covered by the user's polygon outside of the initial polygon
- $final_excess = round(
- (((float)$poly_user_area - (float)$overlap) / (float)$poly_answer_area) * 100
- );
- if ($debug > 1) {
- error_log(__LINE__.' - Final excess is '.$final_excess, 0);
- }
- }
- //checking the destination parameters parsing the "@@"
- $destination_items = explode('@@', $answerDestination);
- $threadhold_total = $destination_items[0];
- $threadhold_items = explode(';', $threadhold_total);
- $threadhold1 = $threadhold_items[0]; // overlap
- $threadhold2 = $threadhold_items[1]; // excess
- $threadhold3 = $threadhold_items[2]; //missing
- // if is delineation
- if ($answerId === 1) {
- //setting colors
- if ($final_overlap >= $threadhold1) {
- $overlap_color = true; //echo 'a';
- }
- //echo $excess.'-'.$threadhold2;
- if ($final_excess <= $threadhold2) {
- $excess_color = true; //echo 'b';
- }
- //echo '--------'.$missing.'-'.$threadhold3;
- if ($final_missing <= $threadhold3) {
- $missing_color = true; //echo 'c';
- }
- // if pass
- if ($final_overlap >= $threadhold1 && $final_missing <= $threadhold3 && $final_excess <= $threadhold2) {
- $next = 1; //go to the oars
- $result_comment = get_lang('Acceptable');
- $final_answer = 1; // do not update with update_exercise_attempt
- } else {
- $next = 0;
- $result_comment = get_lang('Unacceptable');
- $comment = $answerDestination = $objAnswerTmp->selectComment(1);
- $answerDestination = $objAnswerTmp->selectDestination(1);
- //checking the destination parameters parsing the "@@"
- $destination_items = explode('@@', $answerDestination);
- }
- } elseif ($answerId > 1) {
- if ($objAnswerTmp->selectHotspotType($answerId) == 'noerror') {
- if ($debug > 0) {
- error_log(__LINE__.' - answerId is of type noerror', 0);
- }
- //type no error shouldn't be treated
- $next = 1;
- continue;
- }
- if ($debug > 0) {
- error_log(__LINE__.' - answerId is >1 so we\'re probably in OAR', 0);
- }
- //check the intersection between the oar and the user
- //echo 'user'; print_r($x_user_list); print_r($y_user_list);
- //echo 'official';print_r($x_list);print_r($y_list);
- //$result = get_intersection_data($x_list,$y_list,$x_user_list,$y_user_list);
- $inter = $result['success'];
- //$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
- $delineation_cord = $objAnswerTmp->selectHotspotCoordinates($answerId);
- $poly_answer = convert_coordinates($delineation_cord, '|');
- $max_coord = poly_get_max($poly_user, $poly_answer);
- $poly_answer_compiled = poly_compile($poly_answer, $max_coord);
- $overlap = poly_touch($poly_user_compiled, $poly_answer_compiled, $max_coord);
- if ($overlap == false) {
- //all good, no overlap
- $next = 1;
- continue;
- } else {
- if ($debug > 0) {
- error_log(__LINE__.' - Overlap is '.$overlap.': OAR hit', 0);
- }
- $organs_at_risk_hit++;
- //show the feedback
- $next = 0;
- $comment = $answerDestination = $objAnswerTmp->selectComment($answerId);
- $answerDestination = $objAnswerTmp->selectDestination($answerId);
- $destination_items = explode('@@', $answerDestination);
- $try_hotspot = $destination_items[1];
- $lp_hotspot = $destination_items[2];
- $select_question_hotspot = $destination_items[3];
- $url_hotspot = $destination_items[4];
- }
- }
- } else { // the first delineation feedback
- if ($debug > 0) {
- error_log(__LINE__.' first', 0);
- }
- }
- break;
- case HOT_SPOT_ORDER:
- ExerciseShowFunctions::display_hotspot_order_answer(
- $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[$answerCorrect].'</span></b></td>';
- echo '</tr>';
- //}
- break;
- }
- }
- }
- if ($debug) {
- error_log(' ------ ');
- }
- } // end for that loops over all answers of the current question
- if ($debug) {
- error_log('<-- end answer loop -->');
- }
- /*
- if (!$saved_results && $answerType == HOT_SPOT) {
- $queryfree = "SELECT marks FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".Database::escape_string($exeId)."' and question_id= '".Database::escape_string($questionId)."'";
- $resfree = Database::query($queryfree);
- $questionScore = Database::result($resfree,0,"marks");
- } */
- $final_answer = true;
- foreach ($real_answers as $my_answer) {
- if (!$my_answer) {
- $final_answer = false;
- }
- }
- //we add the total score after dealing with the answers
- if ($answerType == MULTIPLE_ANSWER_COMBINATION || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
- if ($final_answer) {
- //getting only the first score where we save the weight of all the question
- $answerWeighting = $objAnswerTmp->selectWeighting(1);
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- }
- }
- //Fixes multiple answer question in order to be exact
- if ($answerType == MULTIPLE_ANSWER || $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)."");
- }
- /* if ($correct_answer == false) {
- $questionScore = 0;
- } */
- //This makes the result non exact
- if (!empty($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;
- }
- exercise_attempt(
- $questionScore,
- 1,
- $quesId,
- $exeId,
- 0
- ); // we always insert the answer_id 1 = delineation
- //in delineation mode, get the answer from $hotspot_delineation_result[1]
- exercise_attempt_hotspot(
- $exeId,
- $quesId,
- 1,
- $hotspot_delineation_result[1],
- $exerciseResultCoordinates[$quesId]
- );
- } else {
- if ($final_answer == 0) {
- $questionScore = 0;
- $answer = 0;
- exercise_attempt($questionScore, $answer, $quesId, $exeId, 0);
- if (is_array($exerciseResultCoordinates[$quesId])) {
- foreach ($exerciseResultCoordinates[$quesId] as $idx => $val) {
- exercise_attempt_hotspot($exeId, $quesId, $idx, 0, $val);
- }
- }
- } else {
- exercise_attempt($questionScore, $answer, $quesId, $exeId, 0);
- if (is_array($exerciseResultCoordinates[$quesId])) {
- foreach ($exerciseResultCoordinates[$quesId] as $idx => $val) {
- exercise_attempt_hotspot($exeId, $quesId, $idx, $choice[$idx], $val);
- }
- }
- }
- }
- $my_exe_id = $exeId;
- }
- }
- if ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER) {
- // We made an extra table for the answers
- if ($show_result) {
- //if ($origin != 'learnpath') {
- echo '</table></td></tr>';
- echo '<tr>
- <td colspan="2">';
- echo '<i>'.get_lang('HotSpot').'</i><br /><br />';
- echo '<object type="application/x-shockwave-flash" data="'.api_get_path(
- WEB_CODE_PATH
- ).'plugin/hotspot/hotspot_solution.swf?modifyAnswers='.Security::remove_XSS(
- $questionId
- ).'&exe_id='.$exeId.'&from_db=1" width="552" height="352">
- <param name="movie" value="../plugin/hotspot/hotspot_solution.swf?modifyAnswers='.Security::remove_XSS(
- $questionId
- ).'&exe_id='.$exeId.'&from_db=1" />
- </object>';
- echo '</td>
- </tr>';
- //}
- }
- }
- if ($origin != 'learnpath') {
- if ($show_result) {
- echo '</table>';
- }
- }
- }
- unset($objAnswerTmp);
- $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];
- exercise_attempt($questionScore, $ans.':'.$choice[$ans], $quesId, $exeId, $i, $this->id);
- if ($debug) {
- error_log('result =>'.$questionScore.' '.$ans.':'.$choice[$ans]);
- }
- }
- } else {
- exercise_attempt($questionScore, 0, $quesId, $exeId, 0, $this->id);
- }
- } elseif ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
- if ($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];
- exercise_attempt($questionScore, $ans, $quesId, $exeId, $i, $this->id);
- }
- } else {
- exercise_attempt($questionScore, 0, $quesId, $exeId, 0, $this->id);
- }
- } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
- if ($choice != 0) {
- $reply = array_keys($choice);
- for ($i = 0; $i < sizeof($reply); $i++) {
- $ans = $reply[$i];
- exercise_attempt($questionScore, $ans, $quesId, $exeId, $i, $this->id);
- }
- } else {
- exercise_attempt($questionScore, 0, $quesId, $exeId, 0, $this->id);
- }
- } elseif ($answerType == MATCHING || $answerType == DRAGGABLE) {
- if (isset($matching)) {
- foreach ($matching as $j => $val) {
- exercise_attempt($questionScore, $val, $quesId, $exeId, $j, $this->id);
- }
- }
- } elseif ($answerType == FREE_ANSWER) {
- $answer = $choice;
- exercise_attempt($questionScore, $answer, $quesId, $exeId, 0, $this->id);
- } elseif ($answerType == ORAL_EXPRESSION) {
- $answer = $choice;
- exercise_attempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $nano);
- } elseif ($answerType == UNIQUE_ANSWER || $answerType == UNIQUE_ANSWER_IMAGE || $answerType == UNIQUE_ANSWER_NO_OPTION) {
- $answer = $choice;
- exercise_attempt($questionScore, $answer, $quesId, $exeId, 0, $this->id);
- // } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
- } elseif ($answerType == HOT_SPOT) {
- exercise_attempt($questionScore, $answer, $quesId, $exeId, 0, $this->id);
- if (isset($exerciseResultCoordinates[$questionId]) && !empty($exerciseResultCoordinates[$questionId])) {
- foreach ($exerciseResultCoordinates[$questionId] as $idx => $val) {
- exercise_attempt_hotspot($exeId, $quesId, $idx, $choice[$idx], $val, $this->id);
- }
- }
- } else {
- exercise_attempt($questionScore, $answer, $quesId, $exeId, 0, $this->id);
- }
- }
- if ($propagate_neg == 0 && $questionScore < 0) {
- $questionScore = 0;
- }
- if ($saved_results) {
- $stat_table = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $sql_update = 'UPDATE '.$stat_table.' SET exe_result = exe_result + '.floatval(
- $questionScore
- ).' WHERE exe_id = '.$exeId;
- if ($debug) {
- error_log($sql_update);
- }
- Database::query($sql_update);
- }
- $return_array = array(
- 'score' => $questionScore,
- 'weight' => $questionWeighting,
- 'extra' => $extra_data,
- 'open_question' => $arrques,
- 'open_answer' => $arrans,
- 'answer_type' => $answerType
- );
- return $return_array;
- }
- /**
- * Sends a notification when a user ends an examn
- *
- */
- function send_notification_for_open_questions($question_list_answers, $origin, $exe_id)
- {
- if (api_get_course_setting('email_alert_manager_on_new_quiz') != 1) {
- 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());
- $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');
- $teachers = array();
- if (api_get_session_id()) {
- $teachers = CourseManager::get_coach_list_from_course_code($coursecode, api_get_session_id());
- } else {
- $teachers = CourseManager::get_teacher_list_from_course_code($coursecode);
- }
- if (!empty($teachers)) {
- foreach ($teachers as $user_id => $teacher_data) {
- MessageManager::send_message_simple($user_id, $subject, $mail_content);
- }
- }
- }
- }
- function send_notification_for_oral_questions($question_list_answers, $origin, $exe_id)
- {
- if (api_get_course_setting('email_alert_manager_on_new_quiz') != 1) {
- 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');
- $teachers = array();
- if (api_get_session_id()) {
- $teachers = CourseManager::get_coach_list_from_course_code($coursecode, api_get_session_id());
- } else {
- $teachers = CourseManager::get_teacher_list_from_course_code($coursecode);
- }
- if (!empty($teachers)) {
- foreach ($teachers as $user_id => $teacher_data) {
- MessageManager::send_message_simple($user_id, $subject, $mail_content);
- }
- }
- }
- }
- function show_exercise_result_header($user_data, $start_date = null, $duration = null)
- {
- $array = array();
- if (!empty($user_data)) {
- $array[] = array('title' => get_lang("User"), 'content' => $user_data);
- }
- if (!empty($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);
- }
- $html = Display::page_header(
- Display::return_icon('quiz_big.png', get_lang('Result')).' '.$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
- ) {
- $tbl_quiz = Database::get_course_table(TABLE_QUIZ_TEST);
- $expired_time = filter_var($expired_time, FILTER_SANITIZE_NUMBER_INT);
- $type = filter_var($type, FILTER_SANITIZE_NUMBER_INT);
- $random = filter_var($random, FILTER_SANITIZE_NUMBER_INT);
- $active = filter_var($active, FILTER_SANITIZE_NUMBER_INT);
- $results_disabled = filter_var($results_disabled, FILTER_SANITIZE_NUMBER_INT);
- $max_attempt = filter_var($max_attempt, FILTER_SANITIZE_NUMBER_INT);
- $feedback = filter_var($feedback, FILTER_SANITIZE_NUMBER_INT);
- $sid = api_get_session_id();
- $course_id = api_get_course_int_id();
- // Save a new quiz
- $sql = "INSERT INTO $tbl_quiz (c_id, title,type,random,active,results_disabled, max_attempt,start_time,end_time,feedback_type,expired_time, session_id) ".
- " VALUES('$course_id', '".Database::escape_string(
- $title
- )."',$type,$random,$active, $results_disabled,$max_attempt,'','',$feedback,$expired_time,$sid)";
- $rs = Database::query($sql);
- $quiz_id = Database::get_last_insert_id();
- return $quiz_id;
- }
- function process_geometry()
- {
- }
- /**
- * Returns the exercise result
- * @param int attempt id
- * @return float exercise result
- */
- public function get_exercise_result($exe_id)
- {
- $result = array();
- $track_exercise_info = get_exercise_track_exercise_info($exe_id);
- if (!empty($track_exercise_info)) {
- $objExercise = new Exercise();
- $objExercise->read($track_exercise_info['exe_exo_id']);
- if (!empty($track_exercise_info['data_tracking'])) {
- $question_list = explode(',', $track_exercise_info['data_tracking']);
- }
- foreach ($question_list as $questionId) {
- $question_result = $objExercise->manage_answer(
- $exe_id,
- $questionId,
- '',
- 'exercise_show',
- array(),
- false,
- true,
- false,
- $objExercise->selectPropagateNeg()
- );
- $questionScore = $question_result['score'];
- $totalScore += $question_result['score'];
- }
- if ($objExercise->selectPropagateNeg() == 0 && $totalScore < 0) {
- $totalScore = 0;
- }
- $result = array(
- 'score' => $totalScore,
- 'weight' => $track_exercise_info['exe_weighting']
- );
- }
- return $result;
- }
- /**
- * Checks if the exercise is visible due a lot of conditions - visibility, time limits, student attempts
- * @return bool true if is active
- */
- public function is_visible($lp_id = 0, $lp_item_id = 0, $lp_item_view_id = 0, $filter_by_admin = true)
- {
- //1. By default the exercise is visible
- $is_visible = true;
- $message = null;
- //1.1 Admins and teachers can access to the exercise
- if ($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);
- }
- function added_in_lp()
- {
- $TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
- $sql = "SELECT max_score FROM $TBL_LP_ITEM WHERE c_id = ".$this->course_id." AND item_type = '".TOOL_QUIZ."' AND path = '".$this->id."'";
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0) {
- return true;
- }
- return false;
- }
- function get_media_list()
- {
- $media_questions = array();
- $question_list = $this->get_validated_question_list();
- if (!empty($question_list)) {
- foreach ($question_list as $questionId) {
- $objQuestionTmp = Question::read($questionId);
- if (isset($objQuestionTmp->parent_id) && $objQuestionTmp->parent_id != 0) {
- $media_questions[$objQuestionTmp->parent_id][] = $objQuestionTmp->id;
- } else {
- //Always the last item
- $media_questions[999][] = $objQuestionTmp->id;
- }
- }
- }
- return $media_questions;
- }
- function media_is_activated($media_list)
- {
- $active = false;
- if (isset($media_list) && !empty($media_list)) {
- $media_count = count($media_list);
- if ($media_count > 1) {
- return true;
- } elseif ($media_count == 1) {
- if (isset($media_list[999])) {
- return false;
- } else {
- return true;
- }
- }
- }
- return $active;
- }
- function get_validated_question_list()
- {
- $question_list = array();
- $is_random_by_category = $this->isRandomByCat();
- if ($is_random_by_category == 0) {
- if ($this->isRandom()) {
- $question_list = $this->selectRandomList();
- } else {
- $question_list = $this->selectQuestionList();
- }
- } else {
- if ($this->isRandom()) {
- // USE question categories
- /* Get questions by category for this exercice
- we have to choice $objExercise->random question in each array values of $questions_in_category
- key of $tabCategoryQuestions are the categopy id (0 for not in a category)
- value is the array of question id of this category
- */
- $temp_question_list = array();
- //Getting questions by category
- $questions_in_category = Testcategory::getQuestionsByCat($this->id);
- $isRandomByCategory = $this->selectRandomByCat();
- // on tri les catégories en fonction du terme entre [] en tête de la description de la catégorie
- /*
- * ex de catégories :
- * [biologie] Maîtriser les mécanismes de base de la génétique
- * [biologie] Relier les moyens de défenses et les agents infectieux
- * [biologie] Savoir où est produite l'énergie dans les cellules et sous quelle forme
- * [chimie] Classer les molécules suivant leur pouvoir oxydant ou réducteur
- * [chimie] Connaître la définition de la théorie acide/base selon Brönsted
- * [chimie] Connaître les charges des particules
- * On veut dans l'ordre des groupes définis par le terme entre crochet au début du titre de la catégorie
- */
- // If test option is Grouped By Categories
- if ($isRandomByCategory == 2) {
- $questions_in_category = Testcategory::sortTabByBracketLabel($questions_in_category);
- }
- $number_of_random_question = $this->random;
- if ($this->random == -1) {
- $number_of_random_question = count($this->questionList);
- }
- //Only 1 question can have a category
- if (!empty($questions_in_category)) {
- $one_question_per_category = array();
- $questions_added = array();
- foreach ($questions_in_category as $category_id => $question_list) {
- foreach ($question_list as $question_id) {
- if (!in_array($question_id, $questions_added)) {
- $one_question_per_category[$category_id][] = $question_id;
- $questions_added[] = $question_id;
- }
- }
- }
- $questions_in_category = $one_question_per_category;
- }
- while (list($category_id, $question_id) = each($questions_in_category)) {
- $elements = Testcategory::getNElementsFromArray($question_id, $number_of_random_question);
- $temp_question_list = array_merge($temp_question_list, $elements);
- }
- // shuffle the question list if test is not grouped by categories
- if ($isRandomByCategory == 1) {
- shuffle($temp_question_list); // or not
- }
- $question_list = $temp_question_list;
- } else {
- // Problem, random by category has been selected and we have no $this->isRandom nnumber of question selected
- // Should not happened
- }
- }
- return $question_list;
- }
- function get_question_list($expand_media_questions = false)
- {
- $question_list = $this->get_validated_question_list();
- $question_list = $this->transform_question_list_with_medias($question_list, $expand_media_questions);
- return $question_list;
- }
- function transform_question_list_with_medias($question_list, $expand_media_questions = false)
- {
- $new_question_list = array();
- if (!empty($question_list)) {
- $media_questions = $this->get_media_list();
- $media_active = $this->media_is_activated($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 $new_question_list;
- }
- public function get_stat_track_exercise_info_by_exe_id($exe_id)
- {
- $track_exercises = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $exe_id = intval($exe_id);
- $sql_track = "SELECT * FROM $track_exercises WHERE exe_id = $exe_id ";
- $result = Database::query($sql_track);
- $new_array = array();
- if (Database::num_rows($result) > 0) {
- $new_array = Database::fetch_array($result, 'ASSOC');
- $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 $new_array;
- }
- public function edit_question_to_remind($exe_id, $question_id, $action = 'add')
- {
- $exercise_info = self::get_stat_track_exercise_info_by_exe_id($exe_id);
- $question_id = intval($question_id);
- $exe_id = intval($exe_id);
- $track_exercises = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- if ($exercise_info) {
- if (empty($exercise_info['questions_to_check'])) {
- if ($action == 'add') {
- $sql = "UPDATE $track_exercises SET questions_to_check = '$question_id' WHERE exe_id = $exe_id ";
- $result = Database::query($sql);
- }
- } else {
- $remind_list = explode(',', $exercise_info['questions_to_check']);
- $remind_list_string = '';
- if ($action == 'add') {
- if (!in_array($question_id, $remind_list)) {
- $remind_list[] = $question_id;
- if (!empty($remind_list)) {
- sort($remind_list);
- array_filter($remind_list);
- }
- $remind_list_string = implode(',', $remind_list);
- }
- } elseif ($action == 'delete') {
- if (!empty($remind_list)) {
- if (in_array($question_id, $remind_list)) {
- $remind_list = array_flip($remind_list);
- unset($remind_list[$question_id]);
- $remind_list = array_flip($remind_list);
- if (!empty($remind_list)) {
- sort($remind_list);
- array_filter($remind_list);
- $remind_list_string = implode(',', $remind_list);
- }
- }
- }
- }
- $remind_list_string = Database::escape_string($remind_list_string);
- $sql = "UPDATE $track_exercises SET questions_to_check = '$remind_list_string' WHERE exe_id = $exe_id ";
- $result = Database::query($sql);
- }
- }
- }
- public function fill_in_blank_answer_to_array($answer)
- {
- api_preg_match_all('/\[[^]]+\]/', $answer, $teacher_answer_list);
- $teacher_answer_list = $teacher_answer_list[0];
- return $teacher_answer_list;
- }
- public function fill_in_blank_answer_to_string($answer)
- {
- $teacher_answer_list = $this->fill_in_blank_answer_to_array($answer);
- $result = '';
- if (!empty($teacher_answer_list)) {
- $i = 0;
- foreach ($teacher_answer_list as $teacher_item) {
- $value = null;
- //Cleaning student answer list
- $value = strip_tags($teacher_item);
- $value = api_substr($value, 1, api_strlen($value) - 2);
- $value = explode('/', $value);
- if (!empty($value[0])) {
- $value = trim($value[0]);
- $value = str_replace(' ', '', $value);
- $result .= $value;
- }
- }
- }
- return $result;
- }
- function return_time_left_div()
- {
- $html = '<div id="clock_warning" style="display:none">'.Display::return_message(
- get_lang('ReachedTimeLimit'),
- 'warning'
- ).' '.sprintf(
- get_lang('YouWillBeRedirectedInXSeconds'),
- '<span id="counter_to_redirect" class="red_alert"></span>'
- ).'</div>';
- $html .= '<div id="exercise_clock_warning" class="well count_down"></div>';
- return $html;
- }
- function get_count_question_list()
- {
- //Real question count
- $question_count = 0;
- $question_list = $this->get_question_list();
- if (!empty($question_list)) {
- $question_count = count($question_list);
- }
- return $question_count;
- }
- 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;
- }
- }
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