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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
- * @version $Id: exercise.class.php 22046 2009-07-14 01:45:19Z ivantcholakov $
- */
- define('ALL_ON_ONE_PAGE',1);
- define('ONE_PER_PAGE',2);
- //0=>Feedback , 1=>DirectFeedback, 2=>NoFeedback
- define('EXERCISE_FEEDBACK_TYPE_END',0);
- define('EXERCISE_FEEDBACK_TYPE_DIRECT',1);
- define('EXERCISE_FEEDBACK_TYPE_EXAM',2);
- require_once dirname(__FILE__).'/../inc/lib/exercise_show_functions.lib.php';
- if(!class_exists('Exercise')):
- class Exercise {
-
- public $id;
- 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 $feedbacktype;
- 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 $propagate_neg;
-
-
- /**
- * Constructor of the class
- *
- * @author - Olivier Brouckaert
- */
- function Exercise($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';
- $this->propagate_neg = 0;
-
- if (!empty($course_id)) {
- $this->course_id = intval($course_id);
- $course_info = api_get_course_info_by_id($this->course_id);
- } else {
- $course_info = api_get_course_info();
- }
- $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) {
- $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION,$this->course['db_name']);
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST,$this->course['db_name']);
- $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION,$this->course['db_name']);
- #$TBL_REPONSES = Database::get_course_table(TABLE_QUIZ_ANSWER);
- $sql="SELECT * FROM $TBL_EXERCICES WHERE id='".Database::escape_string($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->description = $object->description;
- $this->sound = $object->sound;
- $this->type = $object->type;
- $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->feedbacktype = $object->feedback_type;
- $this->propagate_neg = $object->propagate_neg;
-
- if ($object->end_time != '0000-00-00 00:00:00') {
- $this->end_time = api_get_local_time($object->end_time);
- }
- if ($object->start_time != '0000-00-00 00:00:00') {
- $this->start_time = api_get_local_time($object->start_time);
- }
- $this->expired_time = $object->expired_time; //control time
-
- $sql="SELECT question_id, question_order FROM $TBL_EXERCICE_QUESTION, $TBL_QUESTIONS WHERE question_id=id AND exercice_id='".Database::escape_string($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
-
- while ($new_object = Database::fetch_object($result)) {
- $this->questionList[$new_object->question_order]= $new_object->question_id;
- }
-
- //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
- global $_configuration, $questionList;
- if ($this->type == ONE_PER_PAGE && $_configuration['live_exercise_tracking'] && $_SERVER['REQUEST_METHOD'] != 'POST' && defined('QUESTION_LIST_ALREADY_LOGGED')) {
- //if(empty($_SESSION['questionList']))
- $this->questionList = $questionList;
- }
- return true;
- }
- // exercise not found
- return false;
- }
- /**
- * returns the exercise ID
- *
- * @author - Olivier Brouckaert
- * @return - integer - 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 - numeric - exercise attempts
- */
- function selectFeedbackType() {
- return $this->feedbacktype;
- }
- /**
- * 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;
- }
- /**
- * 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){
- return true;
- } else {
- return false;
- }
- }
- /**
- * returns random answers status.
- *
- * @author - Juan Carlos Ra�a
- */
- function selectRandomAnswers() {
- $this->random_answers;
- 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() {
- 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
- */
- 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();
- $i = 0;
- foreach ($my_random_list as $item) {
- if ($i < $this->random) {
- $my_question_list[$i] = $item;
- } else {
- break;
- }
- $i++;
- }
- 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) {
- $this->feedbacktype=$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;
- }
- /**
- * 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, $this->course['db_name']);
- $TBL_ITEM_PROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY,$this->course['db_name']);
- 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 $TBL_DOCUMENT WHERE path='".str_replace($documentPath,'',$audioPath).'/'.$this->sound."'";
- $result=Database::query($query);
- if(!Database::num_rows($result)) {
- /*$query="INSERT INTO $TBL_DOCUMENT(path,filetype) VALUES "
- ." ('".str_replace($documentPath,'',$audioPath).'/'.$this->sound."','file')";
- Database::query($query);*/
- $id = add_document($this->course,str_replace($documentPath,'',$audioPath).'/'.$this->sound,'file',$sound['size'],$sound['name']);
-
- //$id = Database::insert_id();
- //$time = time();
- //$time = date("Y-m-d H:i:s", $time);
- // insert into the item_property table, using default visibility of "visible"
- /*$query = "INSERT INTO $TBL_ITEM_PROPERTY "
- ."(tool, ref, insert_user_id,to_group_id, insert_date, lastedit_date, lastedit_type) "
- ." VALUES "
- ."('".TOOL_DOCUMENT."', $id, $_user['user_id'], 0, '$time', '$time', 'DocumentAdded' )";
- Database::query($query);*/
- api_item_property_update($this->course, TOOL_DOCUMENT, $id, 'DocumentAdded',api_get_user_id());
- item_property_update_on_folder($this->course,str_replace($documentPath,'',$audioPath),api_get_user_id());
- }
- }
- } elseif($delete && is_file($audioPath.'/'.$this->sound)) {
- $this->sound='';
- }
- }
- /**
- * changes the exercise type
- *
- * @author - Olivier Brouckaert
- * @param - integer $type - exercise type
- */
- function updateType($type) {
- $this->type=$type;
- }
- /**
- * sets to 0 if questions are not selected randomly
- * if questions are selected randomly, sets the draws
- *
- * @author - Olivier Brouckaert
- * @param - integer $random - 0 if not random, otherwise the draws
- */
- function setRandom($random) {
- $this->random=$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);
- $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
- $TBL_QUIZ_QUESTION= Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $id = $this->id;
- $exercise = $this->exercise;
- $description = $this->description;
- $sound = $this->sound;
- $type = $this->type;
- $attempts = $this->attempts;
- $feedbacktype = $this->feedbacktype;
- $random = $this->random;
- $random_answers = $this->random_answers;
- $active = $this->active;
- $propagate_neg = $this->propagate_neg;
- $session_id = api_get_session_id();
- if ($feedbacktype==1){
- $results_disabled = 1;
- } else {
- $results_disabled = intval($this->results_disabled);
- }
-
- $expired_time = intval($this->expired_time);
- $start_time = Database::escape_string(api_get_utc_datetime($this->start_time));
- $end_time = Database::escape_string(api_get_utc_datetime($this->end_time));
- // Exercise already exists
- if($id) {
- $sql="UPDATE $TBL_EXERCICES SET
- title='".Database::escape_string($exercise)."',
- description='".Database::escape_string($description)."'";
- if ($type_e != 'simple') {
- $sql .= ", sound='".Database::escape_string($sound)."',
- type='".Database::escape_string($type)."',
- random='".Database::escape_string($random)."',
- random_answers='".Database::escape_string($random_answers)."',
- active='".Database::escape_string($active)."',
- feedback_type='".Database::escape_string($feedbacktype)."',
- start_time='$start_time',end_time='$end_time',
- max_attempt='".Database::escape_string($attempts)."',
- expired_time='".Database::escape_string($expired_time)."',
- propagate_neg='".Database::escape_string($propagate_neg)."',
- results_disabled='".Database::escape_string($results_disabled)."'";
- }
- $sql .= " WHERE id='".Database::escape_string($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
- //add condition by anonymous user
- /*if (!api_is_anonymous()) {
- //is course manager
- $cond1=Database::escape_string($exercise);
- $cond2=Database::escape_string($description);
- } else {
- //is anonymous user
- $cond1=Database::escape_string(Security::remove_XSS($exercise));
- $cond2=Database::escape_string(Security::remove_XSS(api_html_entity_decode($description),COURSEMANAGERLOWSECURITY));
- }*/
- $sql="INSERT INTO $TBL_EXERCICES (start_time, end_time, title, description, sound, type, random, random_answers,active, results_disabled, max_attempt, feedback_type, expired_time, session_id)
- VALUES(
- '$start_time','$end_time',
- '".Database::escape_string($exercise)."',
- '".Database::escape_string($description)."',
- '".Database::escape_string($sound)."',
- '".Database::escape_string($type)."',
- '".Database::escape_string($random)."',
- '".Database::escape_string($random_answers)."',
- '".Database::escape_string($active)."',
- '".Database::escape_string($results_disabled)."',
- '".Database::escape_string($attempts)."',
- '".Database::escape_string($feedbacktype)."',
- '".Database::escape_string($expired_time)."',
- '".Database::escape_string($session_id)."'
- )";
- Database::query($sql);
- $this->id=Database::insert_id();
- // insert into the item_property table
- api_item_property_update($_course, TOOL_QUIZ, $this->id,'QuizAdded',api_get_user_id());
- if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian')) {
- $this -> search_engine_save();
- }
- }
- // updates the question position
- $this->update_question_positions();
- }
- function update_question_positions() {
- // updates the question position
- $TBL_QUIZ_QUESTION= Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- foreach($this->questionList as $position=>$questionId) {
- //$sql="UPDATE $TBL_QUESTIONS SET position='".Database::escape_string($position)."' WHERE id='".Database::escape_string($questionId)."'";
- $sql="UPDATE $TBL_QUIZ_QUESTION SET question_order='".Database::escape_string($position)."' " .
- "WHERE question_id='".Database::escape_string($questionId)."' and exercice_id=".Database::escape_string($this->id)."";
- Database::query($sql);
- }
- }
- /**
- * moves a question up in the list
- *
- * @author - Olivier Brouckaert
- * @author - Julio Montoya (rewrote the code)
- * @param - integer $id - question ID to move up
- */
- function moveUp($id) {
- // there is a bug with some version of PHP with the key and prev functions
- // the script commented was tested in dev.dokeos.com with no success
- // Instead of using prev and next this was change with arrays.
- /*
- foreach($this->questionList as $position=>$questionId)
- {
- // if question ID found
- if($questionId == $id)
- {
- // position of question in the array
- echo $pos1=$position; //1
- echo "<br>";
- prev($this->questionList);
- prev($this->questionList);
- // position of previous question in the array
- $pos2=key($this->questionList);
- //if the cursor of the array hit the end
- // then we must reset the array to get the previous key
- if($pos2===null)
- {
- end($this->questionList);
- prev($this->questionList);
- $pos2=key($this->questionList);
- }
- // error, can't move question
- if(!$pos2)
- {
- //echo 'cant move!';
- $pos2=key($this->questionList);
- reset($this->questionList);
- }
- $id2=$this->questionList[$pos2];
- // exits foreach()
- break;
- }
- $i++;
- }
- */
- $question_list =array();
- foreach($this->questionList as $position=>$questionId)
- {
- $question_list[]= $questionId;
- }
- $len=count($question_list);
- $orderlist=array_keys($this->questionList);
- for($i=0;$i<$len;$i++)
- {
- $questionId = $question_list[$i];
- if($questionId == $id)
- {
- // position of question in the array
- $pos1=$orderlist[$i];
- $pos2=$orderlist[$i-1];
- if($pos2===null)
- {
- $pos2 = $orderlist[$len-1];
- }
- // error, can't move question
- if(!$pos2)
- {
- $pos2=$orderlist[0];
- $i=0;
- }
- break;
- }
- }
- // permutes questions in the array
- $temp=$this->questionList[$pos2];
- $this->questionList[$pos2]=$this->questionList[$pos1];
- $this->questionList[$pos1]=$temp;
- }
- /**
- * moves a question down in the list
- *
- * @author - Olivier Brouckaert
- * @param - integer $id - question ID to move down
- */
- function moveDown($id) {
- // there is a bug with some version of PHP with the key and prev functions
- // the script commented was tested in dev.dokeos.com with no success
- // Instead of using prev and next this was change with arrays.
- /*
- foreach($this->questionList as $position=>$questionId)
- {
- // if question ID found
- if($questionId == $id)
- {
- // position of question in the array
- $pos1=$position;
- //next($this->questionList);
- // position of next question in the array
- $pos2=key($this->questionList);
- // error, can't move question
- if(!$pos2)
- {
- //echo 'cant move!';
- return;
- }
- $id2=$this->questionList[$pos2];
- // exits foreach()
- break;
- }
- }
- */
- $question_list =array();
- foreach($this->questionList as $position=>$questionId) {
- $question_list[]= $questionId;
- }
- $len=count($question_list);
- $orderlist=array_keys($this->questionList);
- for($i=0;$i<$len;$i++) {
- $questionId = $question_list[$i];
- if($questionId == $id) {
- $pos1=$orderlist[$i+1];
- $pos2 =$orderlist[$i];
- if(!$pos2) {
- //echo 'cant move!';
- }
- break;
- }
- }
- // permutes questions in the array
- $temp=$this->questionList[$pos2];
- $this->questionList[$pos2]=$this->questionList[$pos1];
- $this->questionList[$pos1]=$temp;
- }
- /**
- * 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 {
- // 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() {
- global $_course;
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
- $sql="UPDATE $TBL_EXERCICES SET active='-1' WHERE id='".Database::escape_string($this->id)."'";
- Database::query($sql);
- api_item_property_update($_course, TOOL_QUIZ, $this->id,'QuizDeleted',api_get_user_id());
- if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian') ) {
- $this -> search_engine_delete();
- }
- }
- /**
- * Creates the form to create / edit an exercise
- * @param FormValidator $form the formvalidator instance (by reference)
- */
- function createForm ($form, $type='full') {
- global $id;
- if(empty($type)){
- $type='full';
- }
- // form title
- if (!empty($_GET['exerciseId'])) {
- $form_title = get_lang('ModifyExercise');
- } else {
- $form_title = get_lang('NewEx');
- }
- $form->addElement('header', '', $form_title);
- // title
- $form -> addElement('text', 'exerciseTitle', get_lang('ExerciseName'),'class="input_titles" id="exercise_title"');
- //$form->applyFilter('exerciseTitle','html_filter');
- $form -> addElement('html','<div class="row">
- <div class="label"></div>
- <div class="formw" style="height:50px">
- <a href="javascript://" onclick=" return show_media()"> <span id="media_icon"> <img style="vertical-align: middle;" src="../img/looknfeel.png" alt="" /> '.get_lang('ExerciseDescription').'</span></a>
- </div>
- </div>');
- $editor_config = array('ToolbarSet' => 'TestQuestionDescription', 'Width' => '100%', 'Height' => '150');
- if(is_array($type)){
- $editor_config = array_merge($editor_config, $type);
- }
- $form -> addElement ('html','<div class="HideFCKEditor" id="HiddenFCKexerciseDescription" >');
- $form -> add_html_editor('exerciseDescription', get_lang('langExerciseDescription'), false, false, $editor_config);
- $form -> addElement ('html','</div>');
- $form -> addElement('html','<div class="row">
- <div class="label"> </div>
- <div class="formw">
- <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="" /> '.get_lang('AdvancedParameters').'</div></span></a>
- </div>
- </div>');
- // Random questions
- $form -> addElement('html','<div id="options" style="display:none">');
- if($type=='full') {
- // feedback type
- $radios_feedback = array();
- $radios_feedback[] = FormValidator :: createElement ('radio', 'exerciseFeedbackType', null, get_lang('ExerciseAtTheEndOfTheTest'),'0',array('id' =>'exerciseType_1','onclick' => 'check_feedback()'));
- $radios_feedback[] = FormValidator :: createElement ('radio', 'exerciseFeedbackType', null, get_lang('NoFeedback'),'2',array('id' =>'exerciseType_2'));
- $form -> addGroup($radios_feedback, null, get_lang('FeedbackType'));
- $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() != 1 ) {
- // $form -> addElement('select', 'exerciseFeedbackType',get_lang('FeedbackType'),$feedback_option,'onchange="javascript:feedbackselection()"');
- // test type
- $radios = array();
- $radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('QuestionsPerPageOne'),'2','onclick = "check_per_page_one() " ');
- $radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('QuestionsPerPageAll'),'1',array('onclick' => 'check_per_page_all()', 'id'=>'OptionPageAll'));
- $form -> addGroup($radios, null, get_lang('QuestionsPerPage'));
- } else {
- // if is Directfeedback but has not questions we can allow to modify the question type
- if ($this->selectNbrQuestions()== 0) {
- $form -> addElement('select', 'exerciseFeedbackType',get_lang('FeedbackType'),$feedback_option,'onchange="javascript:feedbackselection()"');
- // test type
- $radios = array();
- $radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('SimpleExercise'),'1');
- $radios[] = FormValidator :: createElement ('radio', 'exerciseType', null, get_lang('SequentialExercise'),'2');
- $form -> addGroup($radios, null, get_lang('ExerciseType'));
- } else {
- //we force the options to the DirectFeedback exercisetype
- $form -> addElement('hidden', 'exerciseFeedbackType','1');
- $form -> addElement('hidden', 'exerciseType','2');
- }
- }
- $radios_results_disabled = array();
- $radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('Yes'), '0', array('id'=>'result_disabled_0'));
- $radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('No'), '1',array('id'=>'result_disabled_1','onclick' => 'check_results_disabled()'));
- $radios_results_disabled[] = FormValidator :: createElement ('radio', 'results_disabled', null, get_lang('OnlyShowScore'), '2',array('id'=>'result_disabled_2','onclick' => 'check_results_disabled()'));
- $form -> addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'));
- $random = array();
- $option=array();
- $max = ($this->id > 0) ? $this->selectNbrQuestions() : 10 ;
- $option = range(0,$max);
- $option[0]=get_lang('No');
- $random[] = FormValidator :: createElement ('select', 'randomQuestions',null,$option);
- $random[] = FormValidator :: createElement ('static', 'help','help','<span style="font-style: italic;">'.get_lang('RandomQuestionsHelp').'</span>');
- //$random[] = FormValidator :: createElement ('text', 'randomQuestions', null,null,'0');
- $form -> addGroup($random,null,get_lang('RandomQuestions'),'<br />');
- //random answers
- $radios_random_answers = array();
- $radios_random_answers[] = FormValidator :: createElement ('radio', 'randomAnswers', null, get_lang('Yes'),'1');
- $radios_random_answers[] = FormValidator :: createElement ('radio', 'randomAnswers', null, get_lang('No'),'0');
- $form -> addGroup($radios_random_answers, null, get_lang('RandomAnswers'));
- //Attempts
- $attempt_option=range(0,10);
- $attempt_option[0]=get_lang('Infinite');
- $form -> addElement('select', 'exerciseAttempts',get_lang('ExerciseAttempts'),$attempt_option);
- $form -> addElement('checkbox', 'enabletimelimit',get_lang('EnableTimeLimits'),null,'onclick = " return timelimit() "');
- $var= Exercise::selectTimeLimit();
- if(($this -> start_time!='0000-00-00 00:00:00')||($this -> end_time!='0000-00-00 00:00:00'))
- $form -> addElement('html','<div id="options2" style="display:block;">');
- else
- $form -> addElement('html','<div id="options2" style="display:none;">');
- //$form -> addElement('date', 'start_time', get_lang('ExeStartTime'), array('language'=>'es','format' => 'dMYHi'));
- //$form -> addElement('date', 'end_time', get_lang('ExeEndTime'), array('language'=>'es','format' => 'dMYHi'));
- $form->addElement('datepicker', 'start_time', get_lang('ExeStartTime'), array('form_name'=>'exercise_admin'), 5);
- $form->addElement('datepicker', 'end_time', get_lang('ExeEndTime'), array('form_name'=>'exercise_admin'), 5);
- //$form -> addElement('select', 'enabletimercontroltotalminutes',get_lang('ExerciseTimerControlMinutes'),$time_minutes_option);
- $form -> addElement('html','</div>');
- $check_option=$this -> selectType();
- if ($check_option==1 && isset($_GET['exerciseId'])) {
- $diplay = 'none';
- } else {
- $diplay = 'block';
- }
-
- $form -> addElement('checkbox', 'propagate_neg',get_lang('PropagateNegativeResults'),null);
-
- $form -> addElement('html','<div id="divtimecontrol" style="display:'.$diplay.';">');
- //Timer control
- $time_hours_option = range(0,12);
- $time_minutes_option = range(0,59);
- $form -> addElement('checkbox', 'enabletimercontrol',get_lang('EnableTimerControl'),null,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', 'exerciseAttempts', get_lang('ExerciseAttempts').' : ',array('size'=>'2'));
- $form -> addElement('html','</div>'); //End advanced setting
- $form -> addElement('html','</div>');
- $defaults = array();
- if (api_get_setting('search_enabled') === 'true') {
- require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
- $form -> addElement ('checkbox', 'index_document','', get_lang('SearchFeatureDoIndexDocument'));
- $form -> addElement ('html','<br /><div class="row">');
- $form -> addElement ('html', '<div class="label">'. get_lang('SearchFeatureDocumentLanguage') .'</div>');
- $form -> addElement ('html', '<div class="formw">'. api_get_languages_combo() .'</div>');
- $form -> addElement ('html','</div><div class="sub-form">');
- $specific_fields = get_specific_field_list();
- foreach ($specific_fields as $specific_field) {
- $form -> addElement ('text', $specific_field['code'], $specific_field['name']);
- $filter = array('course_code'=> "'". api_get_course_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);
- }
- }
- $form -> addElement ('html','</div>');
- }
- }
- // submit
- isset($_GET['exerciseId'])?$text=get_lang('ModifyExercise'):$text=get_lang('ProcedToQuestions');
- $form -> addElement('html', '<br /><br />');
- $form -> addElement('style_submit_button', 'submitExercise', $text, 'class="save"');
- $form -> addRule ('exerciseTitle', get_lang('GiveExerciseName'), 'required');
- if($type=='full') {
- // rules
- $form -> addRule ('exerciseAttempts', get_lang('Numeric'), 'numeric');
- $form -> addRule ('start_time', get_lang('InvalidDate'), 'date');
- $form -> addRule ('end_time', get_lang('InvalidDate'), 'date');
- $form -> addRule(array ('start_time', 'end_time'), get_lang('StartDateShouldBeBeforeEndDate'), 'date_compare', 'lte');
- }
- // defaults
- if($type=='full') {
- if($this -> id > 0) {
- if ($this -> random > $this->selectNbrQuestions()) {
- $defaults['randomQuestions'] = $this->selectNbrQuestions();
- } else {
- $defaults['randomQuestions'] = $this -> random;
- }
- $defaults['randomAnswers'] = $this ->selectRandomAnswers();
- $defaults['exerciseType'] = $this -> selectType();
- $defaults['exerciseTitle'] = $this -> selectTitle();
- $defaults['exerciseDescription'] = $this -> selectDescription();
- $defaults['exerciseAttempts'] = $this->selectAttempts();
- $defaults['exerciseFeedbackType'] = $this->selectFeedbackType();
- $defaults['results_disabled'] = $this->selectResultsDisabled();
- $defaults['propagate_neg'] = $this->selectPropagateNeg();
- if(($this -> start_time!='0000-00-00 00:00:00')||($this -> end_time!='0000-00-00 00:00:00'))
- $defaults['enabletimelimit'] = 1;
- $defaults['start_time'] = ($this->start_time!='0000-00-00 00:00:00')? $this -> start_time : date('Y-m-d 12:00:00');
- $defaults['end_time'] = ($this->end_time!='0000-00-00 00:00:00')?$this -> end_time : date('Y-m-d 12:00:00',time()+84600);
- //Get expired time
- if($this -> expired_time != '0') {
- $defaults['enabletimercontrol'] = 1;
- $defaults['enabletimercontroltotalminutes'] = $this -> expired_time;
- } else {
- $defaults['enabletimercontroltotalminutes'] = 0;
- }
- } else {
- $defaults['exerciseType'] = 2;
- $defaults['exerciseAttempts'] = 0;
- $defaults['randomQuestions'] = 0;
- $defaults['randomAnswers'] = 0;
- $defaults['exerciseDescription'] = '';
- $defaults['exerciseFeedbackType'] = 0;
- $defaults['results_disabled'] = 0;
- $defaults['start_time'] = date('Y-m-d 12:00:00');
- $defaults['end_time'] = date('Y-m-d 12:00:00',time()+84600);
- }
- } 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'));
- if($form -> getSubmitValue('enabletimelimit')==1) {
- $start_time = $form -> getSubmitValue('start_time');
- $this->start_time = $start_time['Y'].'-'.$start_time['F'].'-'.$start_time['d'].' '.$start_time['H'].':'.$start_time['i'].':00';
- $end_time = $form -> getSubmitValue('end_time');
- $this->end_time = $end_time['Y'].'-'.$end_time['F'].'-'.$end_time['d'].' '.$end_time['H'].':'.$end_time['i'].':00';
- } else {
- $this->start_time = '0000-00-00 00:00:00';
- $this->end_time = '0000-00-00 00:00:00';
- }
- if($form -> getSubmitValue('enabletimercontrol') == 1) {
- $expired_total_time = $form -> getSubmitValue('enabletimercontroltotalminutes');
- if ($this->expired_time == 0) {
- $this->expired_time = $expired_total_time;
- }
- } else {
- $this->expired_time = 0;
- }
- if($form -> getSubmitValue('randomAnswers') == 1) {
- $this->random_answers=1;
- } else {
- $this->random_answers=0;
- }
- $this -> save($type);
- }
- function search_engine_save() {
- if ($_POST['index_document'] != 1) {
- return;
- }
- $course_id = api_get_course_id();
- require_once(api_get_path(LIBRARY_PATH) . 'search/DokeosIndexer.class.php');
- require_once(api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php');
- require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
- $specific_fields = get_specific_field_list();
- $ic_slide = new IndexableChunk();
- $all_specific_terms = '';
- foreach ($specific_fields as $specific_field) {
- if (isset($_REQUEST[$specific_field['code']])) {
- $sterms = trim($_REQUEST[$specific_field['code']]);
- if (!empty($sterms)) {
- $all_specific_terms .= ' '. $sterms;
- $sterms = explode(',', $sterms);
- foreach ($sterms as $sterm) {
- $ic_slide->addTerm(trim($sterm), $specific_field['code']);
- add_specific_field_value($specific_field['id'], $course_id, TOOL_QUIZ, $this->id, $sterm);
- }
- }
- }
- }
- // build the chunk to index
- $ic_slide->addValue("title", $this->exercise);
- $ic_slide->addCourseId($course_id);
- $ic_slide->addToolId(TOOL_QUIZ);
- $xapian_data = array(
- SE_COURSE_ID => $course_id,
- SE_TOOL_ID => TOOL_QUIZ,
- SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
- SE_USER => (int)api_get_user_id(),
- );
- $ic_slide->xapian_data = serialize($xapian_data);
- $exercise_description = $all_specific_terms .' '. $this->description;
- $ic_slide->addValue("content", $exercise_description);
- $di = new DokeosIndexer();
- isset($_POST['language'])? $lang=Database::escape_string($_POST['language']): $lang = 'english';
- $di->connectDb(NULL, NULL, $lang);
- $di->addChunk($ic_slide);
- //index and return search engine document id
- $did = $di->index();
- if ($did) {
- // save it to db
- $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
- $sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
- VALUES (NULL , \'%s\', \'%s\', %s, %s)';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id, $did);
- Database::query($sql);
- }
- }
- function search_engine_edit() {
- // update search enchine and its values table if enabled
- if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian')) {
- $course_id = api_get_course_id();
- // actually, it consists on delete terms from db, insert new ones, create a new search engine document, and remove the old one
- // get search_did
- $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
- $sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- require_once(api_get_path(LIBRARY_PATH) . 'search/DokeosIndexer.class.php');
- require_once(api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php');
- require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
- $se_ref = Database::fetch_array($res);
- $specific_fields = get_specific_field_list();
- $ic_slide = new IndexableChunk();
- $all_specific_terms = '';
- foreach ($specific_fields as $specific_field) {
- delete_all_specific_field_value($course_id, $specific_field['id'], TOOL_QUIZ, $this->id);
- if (isset($_REQUEST[$specific_field['code']])) {
- $sterms = trim($_REQUEST[$specific_field['code']]);
- $all_specific_terms .= ' '. $sterms;
- $sterms = explode(',', $sterms);
- foreach ($sterms as $sterm) {
- $ic_slide->addTerm(trim($sterm), $specific_field['code']);
- add_specific_field_value($specific_field['id'], $course_id, TOOL_QUIZ, $this->id, $sterm);
- }
- }
- }
- // build the chunk to index
- $ic_slide->addValue("title", $this->exercise);
- $ic_slide->addCourseId($course_id);
- $ic_slide->addToolId(TOOL_QUIZ);
- $xapian_data = array(
- SE_COURSE_ID => $course_id,
- SE_TOOL_ID => TOOL_QUIZ,
- SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
- SE_USER => (int)api_get_user_id(),
- );
- $ic_slide->xapian_data = serialize($xapian_data);
- $exercise_description = $all_specific_terms .' '. $this->description;
- $ic_slide->addValue("content", $exercise_description);
- $di = new DokeosIndexer();
- isset($_POST['language'])? $lang=Database::escape_string($_POST['language']): $lang = 'english';
- $di->connectDb(NULL, NULL, $lang);
- $di->remove_document((int)$se_ref['search_did']);
- $di->addChunk($ic_slide);
- //index and return search engine document id
- $did = $di->index();
- if ($did) {
- // save it to db
- $sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=\'%s\'';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
- Database::query($sql);
- $sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
- VALUES (NULL , \'%s\', \'%s\', %s, %s)';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id, $did);
- Database::query($sql);
- }
- }
- }
- }
- function search_engine_delete() {
- // remove from search engine if enabled
- if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian') ) {
- $course_id = api_get_course_id();
- $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
- $sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level IS NULL LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- $row = Database::fetch_array($res);
- require_once(api_get_path(LIBRARY_PATH) .'search/DokeosIndexer.class.php');
- $di = new DokeosIndexer();
- $di->remove_document((int)$row['search_did']);
- unset($di);
- $tbl_quiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION);
- foreach ( $this->questionList as $question_i) {
- $sql = 'SELECT type FROM %s WHERE id=%s';
- $sql = sprintf($sql, $tbl_quiz_question, $question_i);
- $qres = Database::query($sql);
- if (Database::num_rows($qres) > 0) {
- $qrow = Database::fetch_array($qres);
- $objQuestion = Question::getInstance($qrow['type']);
- $objQuestion = Question::read((int)$question_i);
- $objQuestion->search_engine_edit($this->id, FALSE, TRUE);
- unset($objQuestion);
- }
- }
- }
- $sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level IS NULL LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
- Database::query($sql);
- // remove terms from db
- require_once(api_get_path(LIBRARY_PATH) .'specific_fields_manager.lib.php');
- delete_all_values_for_item($course_id, TOOL_QUIZ, $this->id);
- }
- }
- function selectExpiredTime() {
- return $this->expired_time;
- }
- /**
- * Cleans the student's results only for the Exercise tool (Not from the LP)
- * The LP results are NOT deleted
- * Works with exercises in sessions
- * @return int quantity of user's exercises deleted
- */
- function clean_results() {
- $table_track_e_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $table_track_e_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $sql_select = "SELECT exe_id FROM $table_track_e_exercises
- WHERE exe_cours_id = '".api_get_course_id()."' AND exe_exo_id = ".$this->id." AND orig_lp_id = 0 AND orig_lp_item_id = 0 AND session_id = ".api_get_session_id()."";
- $result = Database::query($sql_select);
- $exe_list = Database::store_result($result);
- //deleting TRACK_E_ATTEMPT table
- $i = 0;
- if (is_array($exe_list) && count($exe_list) > 0) {
- foreach($exe_list as $item) {
- $sql = "DELETE FROM $table_track_e_attempt WHERE exe_id = '".$item['exe_id']."'";
- Database::query($sql);
- $i++;
- }
- }
- //delete TRACK_E_EXERCICES table
- $sql = "DELETE FROM $table_track_e_exercises
- WHERE exe_cours_id = '".api_get_course_id()."' AND exe_exo_id = ".$this->id." AND orig_lp_id = 0 AND orig_lp_item_id = 0 AND session_id = ".api_get_session_id()."";
- Database::query($sql);
- return $i;
- }
- /**
- * Copies an exercise (duplicate all questions and answers)
- */
- public function copy_exercise() {
- $exercise_obj= new Exercise();
- $exercise_obj = $this;
- $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
- $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
- // force the creation of a new exercise
- $exercise_obj->updateTitle($exercise_obj->selectTitle().' - '.get_lang('Copy'));
- //Hides the new exercise
- $exercise_obj->updateStatus(false);
- $exercise_obj->updateId(0);
- $exercise_obj->save();
- $new_exercise_id = $exercise_obj->selectId();
- $question_list = $exercise_obj->selectQuestionList();
- //Question creation
- foreach ($question_list as $old_question_id) {
- $old_question_obj = Question::read($old_question_id);
- $new_id = $old_question_obj->duplicate();
- $new_question_obj = Question::read($new_id);
- $new_question_obj->addToList($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 $new_array;
- }
-
-
- public function save_stat_track_exercise_info($clock_expired_time = 0, $safe_lp_id = 0, $safe_lp_item_id = 0, $safe_lp_item_view_id = 0, $questionList = array()) {
- $track_exercises = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- if (empty($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 = "";
- $sql_fields_values = "";
- }
- if ($this->type == ONE_PER_PAGE) {
- $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)
- 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)";
- } else {
- $sql = "INSERT INTO $track_exercises ($sql_fields exe_exo_id,exe_user_id,exe_cours_id,status,session_id,start_date,orig_lp_id,orig_lp_item_id)
- VALUES($sql_fields_values '".$this->id."','" . api_get_user_id() . "','" . api_get_course_id() . "','incomplete','" . api_get_session_id() . "','" . api_get_utc_datetime() . "',$safe_lp_id,$safe_lp_item_id)";
- }
- Database::query($sql);
- }
-
- public function show_button($nbrQuestions, $questionNum) {
- $html = '';
- $html = '<div style="margin-top:-10px;">';
- $confirmation_alert = $this->type == 1? " onclick=\"javascript:if(!confirm('".get_lang("ConfirmYourChoice")."')) return false;\" ":"";
- $submit_btn = '<button class="next" type="submit" name="submit" name="submit_save" id="submit_save" '.$confirmation_alert.' >';
- $hotspot_get = $_POST['hotspot'];
-
- if ($this->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT && $this->type == ONE_PER_PAGE) {
- $submit_btn = '';
- $html .='<script src="' . api_get_path(WEB_LIBRARY_PATH) . 'javascript/thickbox.js" type="text/javascript"></script>';
- $html .='<style type="text/css" media="all">@import "' . api_get_path(WEB_LIBRARY_PATH) . 'javascript/thickbox.css";</style>';
- } else {
- if (api_is_allowed_to_session_edit() ) {
- if ($this->type == ALL_ON_ONE_PAGE || $nbrQuestions == $questionNum) {
- $submit_btn .= get_lang('ValidateAnswer');
- $name_btn = get_lang('ValidateAnswer');
- } else {
- $submit_btn .= get_lang('NextQuestion');
- $name_btn = get_lang('NextQuestion');
- }
- $submit_btn .= '</button>';
- if ($this->expired_time != 0) {
- $html .= $submit_btn ='<button class="next" type="submit" id="submit_save" value="'.$name_btn.'" name="submit_save"/>'.$name_btn.'</button>';
- } else {
- $html .= $submit_btn;
- }
- }
- }
- $html .= '</div>'; //margin top -10
- return $html;
- }
-
-
- /**
- * So the time control will work
- */
- public function show_time_control_js($time_left) {
- $time_left = intval($time_left);
- return "<script type=\"text/javascript\">
-
- $(document).ready(function(){
-
- function get_expired_date_string(expired_time) {
- var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
- var day, month, year, hours, minutes, seconds, date_string;
- var obj_date = new Date(expired_time);
- day = obj_date.getDate();
- if (day < 10) day = '0' + day;
- month = obj_date.getMonth();
- year = obj_date.getFullYear();
- hours = obj_date.getHours();
- if (hours < 10) hours = '0' + hours;
- minutes = obj_date.getMinutes();
- if (minutes < 10) minutes = '0' + minutes;
- seconds = obj_date.getSeconds();
- if (seconds < 10) seconds = '0' + seconds;
- date_string = months[month] +' ' + day + ', ' + year + ' ' + hours + ':' + minutes + ':' + seconds;
- return date_string;
- }
-
- function onExpiredTimeExercise() {
- $('#wrapper-clock').hide(); $('#exercise_form').hide();
- $('#expired-message-id').show();
- $('#exercise_form').submit();
- }
-
- var current_time = new Date().getTime();
- var time_left = parseInt(".$time_left.");
- var expired_time = current_time + (time_left*1000);
- var expired_date = get_expired_date_string(expired_time);
-
- $('#text-content').epiclock({
- mode: EC_COUNTDOWN,
- format: 'x{ : } i{ : } s{}',
- target: expired_date,
- onTimer: function(){ onExpiredTimeExercise(); }
- }).clocks(EC_RUN);
-
- $('#submit_save').click(function () {});
- });
- </script>";
- }
-
- /**
- * Lp javascript for hotspots
- */
- public function show_lp_javascript() {
-
- return "<script type=\"text/javascript\" src=\"../plugin/hotspot/JavaScriptFlashGateway.js\"></script>
- <script src=\"../plugin/hotspot/hotspot.js\" type=\"text/javascript\"></script>
- <script language=\"JavaScript\" type=\"text/javascript\">
- <!--
- // -----------------------------------------------------------------------------
- // Globals
- // Major version of Flash required
- var requiredMajorVersion = 7;
- // Minor version of Flash required
- var requiredMinorVersion = 0;
- // Minor version of Flash required
- var requiredRevision = 0;
- // the version of javascript supported
- var jsVersion = 1.0;
- // -----------------------------------------------------------------------------
- // -->
- </script>
- <script language=\"VBScript\" type=\"text/vbscript\">
- <!-- // Visual basic helper required to detect Flash Player ActiveX control version information
- Function VBGetSwfVer(i)
- on error resume next
- Dim swControl, swVersion
- swVersion = 0
- set swControl = CreateObject(\"ShockwaveFlash.ShockwaveFlash.\" + CStr(i))
- if (IsObject(swControl)) then
- swVersion = swControl.GetVariable(\"\$version\")
- end if
- VBGetSwfVer = swVersion
- End Function
- // -->
- </script>
- <script language=\"JavaScript1.1\" type=\"text/javascript\">
- <!-- // Detect Client Browser type
- var isIE = (navigator.appVersion.indexOf(\"MSIE\") != -1) ? true : false;
- var isWin = (navigator.appVersion.toLowerCase().indexOf(\"win\") != -1) ? true : false;
- var isOpera = (navigator.userAgent.indexOf(\"Opera\") != -1) ? true : false;
- jsVersion = 1.1;
- // JavaScript helper required to detect Flash Player PlugIn version information
- function JSGetSwfVer(i){
- // NS/Opera version >= 3 check for Flash plugin in plugin array
- if (navigator.plugins != null && navigator.plugins.length > 0) {
- if (navigator.plugins[\"Shockwave Flash 2.0\"] || navigator.plugins[\"Shockwave Flash\"]) {
- var swVer2 = navigator.plugins[\"Shockwave Flash 2.0\"] ? \" 2.0\" : \"\";
- var flashDescription = navigator.plugins[\"Shockwave Flash\" + swVer2].description;
- descArray = flashDescription.split(\" \");
- tempArrayMajor = descArray[2].split(\".\");
- versionMajor = tempArrayMajor[0];
- versionMinor = tempArrayMajor[1];
- if ( descArray[3] != \"\" ) {
- tempArrayMinor = descArray[3].split(\"r\");
- } else {
- tempArrayMinor = descArray[4].split(\"r\");
- }
- versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
- flashVer = versionMajor + \".\" + versionMinor + \".\" + versionRevision;
- } else {
- flashVer = -1;
- }
- }
- // MSN/WebTV 2.6 supports Flash 4
- else if (navigator.userAgent.toLowerCase().indexOf(\"webtv/2.6\") != -1) flashVer = 4;
- // WebTV 2.5 supports Flash 3
- else if (navigator.userAgent.toLowerCase().indexOf(\"webtv/2.5\") != -1) flashVer = 3;
- // older WebTV supports Flash 2
- else if (navigator.userAgent.toLowerCase().indexOf(\"webtv\") != -1) flashVer = 2;
- // Can't detect in all other cases
- else {
- flashVer = -1;
- }
- return flashVer;
- }
- // When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
- function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
- {
- reqVer = parseFloat(reqMajorVer + \".\" + reqRevision);
- // loop backwards through the versions until we find the newest version
- for (i=25;i>0;i--) {
- if (isIE && isWin && !isOpera) {
- versionStr = VBGetSwfVer(i);
- } else {
- versionStr = JSGetSwfVer(i);
- }
- if (versionStr == -1 ) {
- return false;
- } else if (versionStr != 0) {
- if(isIE && isWin && !isOpera) {
- tempArray = versionStr.split(\" \");
- tempString = tempArray[1];
- versionArray = tempString .split(\",\");
- } else {
- versionArray = versionStr.split(\".\");
- }
- versionMajor = versionArray[0];
- versionMinor = versionArray[1];
- versionRevision = versionArray[2];
- versionString = versionMajor + \".\" + versionRevision; // 7.0r24 == 7.24
- versionNum = parseFloat(versionString);
- // is the major.revision >= requested major.revision AND the minor version >= requested minor
- if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
- return true;
- } else {
- return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );
- }
- }
- }
- }
- // -->
- </script>";
- }
-
- /**
- * 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
- */
- function manage_answer($exeId, $questionId, $choice, $from = 'exercise_show', $exerciseResultCoordinates = array(), $saved_results = true, $from_database = false, $show_result = true, $propagate_neg = 0) {
- global $_configuration, $feedback_type;
-
- $html = '';
-
- $questionId = intval($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
- $objQuestionTmp = Question :: read($questionId);
- $questionName = $objQuestionTmp->selectTitle();
- $questionDescription = $objQuestionTmp->selectDescription();
- $questionWeighting = $objQuestionTmp->selectWeighting();
- $answerType = $objQuestionTmp->selectType();
- $quesId = $objQuestionTmp->selectId();
- $extra = $objQuestionTmp->extra;
-
- //Extra information of the question
- if (!empty($extra)){
- $extra = explode(':', $extra);
- $true_score = $extra[0];
- $false_score = $extra[1];
- $doubt_score = $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();
- $questionScore = 0;
- if ($answerType == FREE_ANSWER) {
- $nbrAnswers = 1;
- }
- $user_answer = '';
-
-
- // Get answer list for matching
- $sql_answer = 'SELECT id, answer FROM '.$table_ans.' WHERE 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);
-
- for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
- $answer = $objAnswerTmp->selectAnswer($answerId);
- $answerComment = $objAnswerTmp->selectComment($answerId);
- $answerCorrect = $objAnswerTmp->isCorrect($answerId);
- $answerWeighting = $objAnswerTmp->selectWeighting($answerId);
- $numAnswer = $objAnswerTmp->selectAutoId($answerId);
-
- switch ($answerType) {
- // for unique answer
- case UNIQUE_ANSWER :
- case UNIQUE_ANSWER_NO_OPTION :
- if ($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");
-
- $numAnswer=$objAnswerTmp->selectAutoId($answerId);
-
- $studentChoice=($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;
- }
- $numAnswer=$objAnswerTmp->selectAutoId($answerId);
- $studentChoice =$choice[$numAnswer];
- } else {
- $studentChoice =$choice[$numAnswer];
- }
-
- if ($studentChoice == $answerCorrect ) {
- $questionScore +=$true_score;
- } else {
- if ($quiz_question_options[$studentChoice]['name'] != 'DoubtScore') {
- $questionScore += $false_score;
- } else {
- $questionScore += $doubt_score;
- }
- }
- $totalScore +=$true_score;
- break;
- case 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;
- }
- $numAnswer=$objAnswerTmp->selectAutoId($answerId);
- $studentChoice=$choice[$numAnswer];
- if ($studentChoice) {
- $questionScore +=$answerWeighting;
- $totalScore +=$answerWeighting;
- }
- } else {
- $studentChoice=$choice[$numAnswer];
- if ($studentChoice) {
- $questionScore +=$answerWeighting;
- $totalScore +=$answerWeighting;
- }
- }
- 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 == 1) {
- if ($studentChoice == 1) { //true value see MultipleAnswerCombinationTrueFalse class
- $real_answers[$answerId] = true;
- } elseif ($studentChoice == 2) { //false value
- $real_answers[$answerId] = false;
- } else {
- $real_answers[$answerId] = false;
- }
- } else {
- if ($studentChoice == 1) { //true value
- $real_answers[$answerId] = false;
- } elseif ($studentChoice == 2) { //false value see MultipleAnswerCombinationTrueFalse class
- $real_answers[$answerId] = true;
- } else {
- $real_answers[$answerId] = true;
- }
- }
-
- } else {
- $studentChoice=$choice[$numAnswer];
- if ($answerCorrect == 1) {
- if ($studentChoice == 1) { //true value see MultipleAnswerCombinationTrueFalse class
- $real_answers[$answerId] = true;
- } elseif ($studentChoice == 2) { //false value
- $real_answers[$answerId] = false;
- } else {
- $real_answers[$answerId] = false;
- }
- } else {
- if ($studentChoice == 1) { //true value
- $real_answers[$answerId] = false;
- } elseif ($studentChoice == 2) { //false value see MultipleAnswerCombinationTrueFalse class
- $real_answers[$answerId] = true;
- } else {
- $real_answers[$answerId] = true;
- }
- }
- $final_answer = true;
- foreach($real_answers as $my_answer) {
- if (!$my_answer) {
- $final_answer = false;
- }
- }
- }
- break;
- case MULTIPLE_ANSWER_COMBINATION:
- if ($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;
- }
- }
- $final_answer = true;
- foreach($real_answers as $my_answer) {
- if (!$my_answer) {
- $final_answer = false;
- }
- }
- }
- 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;
- $temp = text_filter($answer);
- /* // Deprecated code
- // TeX parsing
- // 1. find everything between the [tex] and [/tex] tags
- $startlocations = api_strpos($temp, '[tex]');
- $endlocations = api_strpos($temp, '[/tex]');
- if ($startlocations !== false && $endlocations !== false) {
- $texstring = api_substr($temp, $startlocations, $endlocations - $startlocations +6);
- // 2. replace this by {texcode}
- $temp = str_replace($texstring, '{texcode}', $temp);
- }
- */
- $answer = '';
- $j = 0;
- //initialise answer tags
- $user_tags = array ();
- $correct_tags = array ();
- $real_text = array ();
- // the loop will stop at the end of the text
- while (1) {
- // quits the loop if there are no more blanks (detect '[')
- if (($pos = api_strpos($temp, '[')) === false) {
- // adds the end of the text
- $answer = $temp;
- /* // Deprecated code
- // TeX parsing - replacement of texcode tags
- $texstring = api_parse_tex($texstring);
- $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 = '".Database::escape_string($exeId)."' AND question_id= '".Database::escape_string($questionId)."'";
- $resfill = Database::query($queryfill);
- $str = Database::result($resfill,0,'answer');
-
- preg_match_all('#\[([^[]*)\]#', $str, $arr);
- $str = str_replace('\r\n', '', $str);
- $choice = $arr[1];
-
- $tmp=strrpos($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]);
- }
-
- $user_tags[] = api_strtolower($choice[$j]);
- //put the contents of the [] answer tag into correct_tags[]
- $correct_tags[] = api_strtolower(api_substr($temp, 0, $pos));
- $j++;
- $temp = api_substr($temp, $pos +1);
- //$answer .= ']';
- }
- $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;
- }
- $arrques[] = $questionName;
- $arrans[] = $choice;
- } else {
- $studentChoice = $choice;
- if ($studentChoice) {
- //Fixing negative puntation see #2193
- $questionScore = 0;
- $totalScore += 0;
- }
- }
- break;
- // for matching
- case MATCHING :
- if ($from_database) {
- $sql_answer = 'SELECT id, answer FROM '.$table_ans.' WHERE 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 question_id="'.$questionId.'" AND correct <> 0 ORDER BY id_auto';
-
- $res_answers = Database::query($sql_select_answer);
-
-
- $questionScore = 0;
-
- while ($a_answers = Database::fetch_array($res_answers)) {
- $i_answer_id = $a_answers['id']; //3
- $s_answer_label = $a_answers['answer']; // your daddy - your mother
- $i_answer_correct_answer = $a_answers['correct']; //1 - 2
- $i_answer_id_auto = $a_answers['id_auto']; // 3 - 4
-
- $sql_user_answer = "SELECT answer FROM $TBL_TRACK_ATTEMPT
- WHERE exe_id = '$exeId' AND question_id = '$questionId' AND position='$i_answer_id_auto'";
-
- $res_user_answer = Database::query($sql_user_answer);
-
- if (Database::num_rows($res_user_answer)>0 ) {
- $s_user_answer = Database::result($res_user_answer,0,0); // rich - good looking
- } else {
- $s_user_answer = 0;
- }
- $i_answerWeighting=$objAnswerTmp->selectWeighting($i_answer_id);
- $user_answer = '';
- if (!empty($s_user_answer)) {
- if ($s_user_answer == $i_answer_correct_answer) {
- $questionScore += $i_answerWeighting;
- $totalScore += $i_answerWeighting;
- $user_answer = '<span>'.$real_list[$i_answer_correct_answer].'</span>';
- } else {
- $user_answer = '<span style="color: #FF0000; text-decoration: line-through;">'.$real_list[$s_user_answer].'</span>';
- }
- }
- if ($show_result) {
- echo '<tr>';
- echo '<td>'.$s_answer_label.'</td><td>'.$user_answer.' / <b><span style="color: #008000;">'.$real_list[$i_answer_correct_answer].'</span></b></td>';
- echo '</tr>';
- }
- }
- break(2); //break the switch and the "for" condition
- } else {
- $numAnswer=$objAnswerTmp->selectAutoId($answerId);
- if ($answerCorrect) {
- if ($answerCorrect == $choice[$numAnswer]) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- $user_answer = '<span>'.$answer_matching[$choice[$numAnswer]].'</span>';
- } else {
- $user_answer = '<span style="color: #FF0000; text-decoration: line-through;">'.$answer_matching[$choice[$numAnswer]].'</span>';
- }
- $matching[$numAnswer] = $choice[$numAnswer];
- }
- break;
- }
-
- // for hotspot with no order
- case HOT_SPOT :
- if ($from_database) {
- if ($show_result) {
- $TBL_TRACK_HOTSPOT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
- $query = "SELECT hotspot_correct FROM ".$TBL_TRACK_HOTSPOT." where hotspot_exe_id = '".$exeId."' and hotspot_question_id= '".$questionId."' AND hotspot_answer_id='".Database::escape_string($answerId)."'";
- $resq=Database::query($query);
- $studentChoice = Database::result($resq,0,"hotspot_correct");
- }
- } else {
- $studentChoice = $choice[$answerId];
- if ($studentChoice) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- }
- }
- break;
- // @todo never added to chamilo
- //for hotspot with fixed order
- case HOT_SPOT_ORDER :
- $studentChoice = $choice['order'][$answerId];
- if ($studentChoice == $answerId) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- $studentChoice = true;
- } else {
- $studentChoice = false;
- }
- break;
- } // end switch Answertype
-
- global $origin;
-
- if ($show_result) {
-
- if ($from == 'exercise_result') {
- //display answers (if not matching type, or if the answer is correct)
- if ($answerType != MATCHING || $answerCorrect) {
- if (in_array($answerType, array(UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, MULTIPLE_ANSWER, MULTIPLE_ANSWER_COMBINATION))) {
- if ($origin!='learnpath') {
- ExerciseShowFunctions::display_unique_or_multiple_answer($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,0,0,0);
- }
- } elseif($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
- if ($origin!='learnpath') {
- ExerciseShowFunctions::display_multiple_answer_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,0,$questionId,0);
- }
- } elseif($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE ) {
- if ($origin!='learnpath') {
- ExerciseShowFunctions::display_multiple_answer_combination_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,0,0,0);
- }
- } elseif($answerType == FILL_IN_BLANKS) {
- if ($origin!='learnpath') {
- ExerciseShowFunctions::display_fill_in_blanks_answer($answer,0,0);
- }
- } elseif($answerType == FREE_ANSWER) {
- // to store the details of open questions in an array to be used in mail
- $arrques[] = $questionName;
- $arrans[] = $choice;
- if($origin != 'learnpath') {
- ExerciseShowFunctions::display_free_answer($choice,0,0);
- }
- } elseif($answerType == HOT_SPOT) {
- if ($origin != 'learnpath') {
- ExerciseShowFunctions::display_hotspot_answer($answerId, $answer, $studentChoice, $answerComment);
- }
- } elseif($answerType == HOT_SPOT_ORDER) {
- ExerciseShowFunctions::display_hotspot_order_answer($answerId, $answer, $studentChoice, $answerComment);
- } elseif($answerType==MATCHING) {
- if ($origin != 'learnpath') {
- echo '<tr>';
- echo '<td>'.text_filter($answer_matching[$answerId]).'</td><td>'.text_filter($user_answer).' / <b><span style="color: #008000;">'.text_filter($answer_matching[$answerCorrect]).'</span></b></td>';
- echo '</tr>';
- }
- }
- }
- } else {
- switch($answerType) {
- case UNIQUE_ANSWER :
- case UNIQUE_ANSWER_NO_OPTION:
- case MULTIPLE_ANSWER :
- case MULTIPLE_ANSWER_COMBINATION :
- if ($answerId==1) {
- ExerciseShowFunctions::display_unique_or_multiple_answer($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,$answerId);
- } else {
- ExerciseShowFunctions::display_unique_or_multiple_answer($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,"");
- }
- break;
- case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
- if ($answerId==1) {
- ExerciseShowFunctions::display_multiple_answer_combination_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,$answerId);
- } else {
- ExerciseShowFunctions::display_multiple_answer_combination_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,"");
- }
- break;
- case MULTIPLE_ANSWER_TRUE_FALSE :
- if ($answerId==1) {
- ExerciseShowFunctions::display_multiple_answer_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,$answerId);
- } else {
- ExerciseShowFunctions::display_multiple_answer_true_false($answerType, $studentChoice, $answer, $answerComment, $answerCorrect,$exeId,$questionId,"");
- }
- break;
- case FILL_IN_BLANKS:
- echo '<tr><td>';
- ExerciseShowFunctions::display_fill_in_blanks_answer($answer,$exeId,$questionId);
- echo '</td></tr>';
- break;
- case FREE_ANSWER:
- echo '<tr>
- <td valign="top">'.ExerciseShowFunctions::display_free_answer($choice, $exeId, $questionId).'</td>
- </tr>
- </table>';
- break;
- case HOT_SPOT:
- ExerciseShowFunctions::display_hotspot_answer($answerId, $answer, $studentChoice, $answerComment);
- break;
- case HOT_SPOT_ORDER:
- ExerciseShowFunctions::display_hotspot_order_answer($answerId, $answer, $studentChoice, $answerComment);
- break;
- case MATCHING:
- if ($origin != 'learnpath') {
- echo '<tr>';
- echo '<td>'.text_filter($answer_matching[$answerId]).'</td><td>'.text_filter($user_answer).' / <b><span style="color: #008000;">'.text_filter($answer_matching[$answerCorrect]).'</span></b></td>';
- echo '</tr>';
- }
- break;
- }
- }
- }
- } // end for that loops over all answers of the current question
-
- // destruction of Answer
-
- if (!$saved_results && $answerType == HOT_SPOT) {
- $queryfree = "SELECT marks FROM ".$TBL_TRACK_ATTEMPT." where exe_id = '".Database::escape_string($exeId)."' and question_id= '".Database::escape_string($questionId)."'";
- $resfree = Database::query($queryfree);
- $questionScore = Database::result($resfree,0,"marks");
- }
- $final_answer = true;
- foreach($real_answers as $my_answer) {
- if (!$my_answer) {
- $final_answer = false;
- }
- }
-
- //we add the total score after dealing with the answers
- if ($answerType == MULTIPLE_ANSWER_COMBINATION || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE ) {
- if ($final_answer) {
- //getting only the first score where we save the weight of all the question
- $answerWeighting = $objAnswerTmp->selectWeighting(1);
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- }
- }
-
- if ($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 || $answerType == HOT_SPOT_ORDER) {
- // We made an extra table for the answers
- if ($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=&from_db=0" width="552" height="352">';
- echo '<param name="movie" value="'.api_get_path(WEB_PLUGIN_PATH).'plugin/hotspot/hotspot_solution.swf?modifyAnswers='.Security::remove_XSS($questionId).'&exe_id=&from_db=0" />
- </object>
- </td>
- </tr>';
-
- }
- }
- }
- if ($origin != 'learnpath') {
- if ($show_result) {
- echo '</table>';
- if ($this->type == ALL_ON_ONE_PAGE) {
- echo '<div id="question_score">';
- if ($propagate_neg == 0 && $questionScore < 0) {
- $questionScore = 0;
- }
- echo get_lang('Score').": ".show_score($questionScore, $questionWeighting, false, false);
-
- echo '</div>';
- }
- echo '<br />';
- }
- }
- }
- unset ($objAnswerTmp);
- $i++;
-
- $totalWeighting += $questionWeighting;
- // Store results directly in the database
- // For all in one page exercises, the results will be
- // stored by exercise_results.php (using the session)
-
- if ($saved_results) {
- if (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, $this->id);
- }
- } else {
- exercise_attempt($questionScore, 0, $quesId, $exeId, 0, $this->id);
- }
- } elseif ($answerType == MULTIPLE_ANSWER) {
- 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 == MULTIPLE_ANSWER_COMBINATION) {
- if ($choice != 0) {
- $reply = array_keys($choice);
- for ($i = 0; $i < sizeof($reply); $i++) {
- $ans = $reply[$i];
- exercise_attempt($questionScore, $ans, $quesId, $exeId, $i, $this->id);
- }
- } else {
- exercise_attempt($questionScore, 0, $quesId, $exeId, 0, $this->id);
- }
- } elseif ($answerType == MATCHING) {
- foreach ($matching as $j => $val) {
- exercise_attempt($questionScore, $val, $quesId, $exeId, $j, $this->id);
- }
- } elseif ($answerType == FREE_ANSWER) {
- $answer = $choice;
- exercise_attempt($questionScore, $answer, $quesId, $exeId, 0, $this->id);
- } elseif ($answerType == UNIQUE_ANSWER || $answerType == UNIQUE_ANSWER_NO_OPTION) {
- $answer = $choice;
- exercise_attempt($questionScore, $answer, $quesId, $exeId, 0, $this->id);
- } elseif ($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 ($saved_results) {
- $stat_table = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $sql_update = 'UPDATE ' . $stat_table . ' SET exe_result = exe_result + ' . floatval($totalScore) . ',exe_weighting = exe_weighting + ' . floatval($totalWeighting) . ' WHERE exe_id = ' . $exeId;
- Database::query($sql_update);
- }
-
- if ($propagate_neg == 0 && $questionScore < 0) {
- $questionScore = 0;
- }
- $return_array = array('score'=>$questionScore, 'weight'=>$questionWeighting);
- return $return_array;
- } //End function
-
-
- function send_notification($arrques, $arrans) {
-
- // Email configuration settings
- $coursecode = api_get_course_id();
- $course_info = api_get_course_info(api_get_course_id());
- $to = '';
- $teachers = array();
- if (api_get_session_id()) {
- $teachers = CourseManager::get_coach_list_from_course_code($coursecode, api_get_session_id());
- } else {
- $teachers = CourseManager::get_teacher_list_from_course_code($coursecode);
- }
- $num = count($teachers);
- if($num>1) {
- $to = array();
- foreach($teachers as $teacher) {
- $to[] = $teacher['email'];
- }
- } elseif ($num>0){
- foreach($teachers as $teacher) {
- $to = $teacher['email'];
- }
- } else {
- //this is a problem (it means that there is no admin for this course)
- }
-
-
- global $courseName, $exerciseTitle, $url_email;
- require_once api_get_path(LIBRARY_PATH).'usermanager.lib.php';
- $user_info = UserManager::get_user_info_by_id(api_get_user_id());
- if (api_get_course_setting('email_alert_manager_on_new_quiz') != 1 ) {
- return '';
- }
- $mycharset = api_get_system_encoding();
- $msg = '<html><head>
- <link rel="stylesheet" href="'.api_get_path(WEB_CODE_PATH).'css/'.api_get_setting('stylesheets').'/default.css" type="text/css">
- <meta content="text/html; charset='.$mycharset.'" http-equiv="content-type"></head>';
- if(count($arrques)>0) {
- $msg .= '<body>
- <p>'.get_lang('OpenQuestionsAttempted').' :
- </p>
- <p>'.get_lang('AttemptDetails').' : <br />
- </p>
- <table width="730" height="136" border="0" cellpadding="3" cellspacing="3">
- <tr>
- <td width="229" valign="top"><h2> '.get_lang('CourseName').'</h2></td>
- <td width="469" valign="top"><h2>#course#</h2></td>
- </tr>
- <tr>
- <td width="229" valign="top" class="outerframe"> '.get_lang('TestAttempted').'</span></td>
- <td width="469" valign="top" class="outerframe">#exercise#</td>
- </tr>
- <tr>
- <td valign="top"> <span class="style10">'.get_lang('StudentName').'</span></td>
- <td valign="top" >#firstName# #lastName#</td>
- </tr>
- <tr>
- <td valign="top" > '.get_lang('StudentEmail').' </td>
- <td valign="top"> #mail#</td>
- </tr></table>
- <p><br />'.get_lang('OpenQuestionsAttemptedAre').' :</p>
- <table width="730" height="136" border="0" cellpadding="3" cellspacing="3">';
- for($i=0;$i<sizeof($arrques);$i++) {
- $msg.='
- <tr>
- <td width="220" valign="top" bgcolor="#E5EDF8"> <span class="style10">'.get_lang('Question').'</span></td>
- <td width="473" valign="top" bgcolor="#F3F3F3"><span class="style16"> #questionName#</span></td>
- </tr>
- <tr>
- <td width="220" valign="top" bgcolor="#E5EDF8"> <span class="style10">'.get_lang('Answer').' </span></td>
- <td valign="top" bgcolor="#F3F3F3"><span class="style16"> #answer#</span></td>
- </tr>';
- $msg1= str_replace("#exercise#",$exerciseTitle,$msg);
- $msg= str_replace("#firstName#",$user_info['firstname'],$msg1);
- $msg1= str_replace("#lastName#",$user_info['lastname'],$msg);
- $msg= str_replace("#mail#",$user_info['email'],$msg1);
- $msg1= str_replace("#questionName#",$arrques[$i],$msg);
- $msg= str_replace("#answer#",$arrans[$i],$msg1);
- $msg1= str_replace("#i#",$i,$msg);
- $msg= str_replace("#course#",$courseName,$msg1);
- }
- $msg.='</table><br>
- <span class="style16">'.get_lang('ClickToCommentAndGiveFeedback').',<br />
- <a href="#url#">#url#</a></span></body></html>';
- $msg1= str_replace("#url#",$url_email,$msg);
- $mail_content = $msg1;
- $subject = get_lang('OpenQuestionsAttempted');
- $sender_name = api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS);
- $email_admin = api_get_setting('emailAdministrator');
- $result = @api_mail_html('', $to, $subject, $mail_content, $sender_name, $email_admin, array('charset'=>$mycharset));
- } else {
- $msg .= '<body>
- <p>'.get_lang('ExerciseAttempted').' <br />
- </p>
- <table width="730" height="136" border="0" cellpadding="3" cellspacing="3">
- <tr>
- <td width="229" valign="top"><h2> '.get_lang('CourseName').'</h2></td>
- <td width="469" valign="top"><h2>#course#</h2></td>
- </tr>
- <tr>
- <td width="229" valign="top" class="outerframe"> '.get_lang('TestAttempted').'</span></td>
- <td width="469" valign="top" class="outerframe">#exercise#</td>
- </tr>
- <tr>
- <td valign="top"> <span class="style10">'.get_lang('StudentName').'</span></td>
- '.(api_is_western_name_order() ? '<td valign="top" >#firstName# #lastName#</td>' : '<td valign="top" >#lastName# #firstName#</td>').'
- </tr>
- <tr>
- <td valign="top" > '.get_lang('StudentEmail').' </td>
- <td valign="top"> #mail#</td>
- </tr></table>';
- $msg= str_replace("#exercise#",$exerciseTitle,$msg);
- $msg= str_replace("#firstName#",$user_info['firstname'],$msg);
- $msg= str_replace("#lastName#",$user_info['lastname'],$msg);
- $msg= str_replace("#mail#",$user_info['email'],$msg);
- $msg= str_replace("#course#",$courseName,$msg);
- $msg.='<br />
- <span class="style16">'.get_lang('ClickToCommentAndGiveFeedback').',<br />
- <a href="#url#">#url#</a></span></body></html>';
- $msg= str_replace("#url#",$url_email,$msg);
- $mail_content = $msg;
- $sender_name = api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS);
- $email_admin = api_get_setting('emailAdministrator');
- $subject = get_lang('ExerciseAttempted');
- $result = @api_mail_html('', $to, $subject, $mail_content, $sender_name, $email_admin, array('charset'=>$mycharset));
- }
- }
-
- function show_exercise_result_header($user_data, $date = null) {
- $description = '';
- if (!empty($this->description)) {
- $description = '<tr>
- <td style="font-weight:bold" width="10%">
- '.get_lang("Description").' :
- </td>
- <td width="90%">
- '.$this->description.'
- </td>
- </tr>';
- }
- $date_data = '';
- if (!empty($date)) {
- $date_data = '<tr>
- <td style="font-weight:bold" width="10%">
- '.get_lang("Date").' :
- </td>
- <td width="90%">
- '.$date.'
- </td>
- </tr>';
- }
-
-
- $html = '<table width="100%">
- <tr>
- <td colspan="2">
- <h2>'.Display::return_icon('quiz_big.png', get_lang('Result')).' '.$this->exercise.' : '.get_lang('Result').'</h2>
- </td>
- </tr>
- <tr>
- <td style="font-weight:bold" width="90px"> '.get_lang('User').' : </td>
- <td>
- '.$user_data.'
- </td>
- </tr>
- '.$date_data.'
- '.$description.'
- </table>
- <br />';
- return $html;
- }
- /**
- * Create a quiz from quiz data
- * @param string Title
- * @param int Time before it expires (in minutes)
- * @param int Type of exercise
- * @param int Whether it's randomly picked questions (1) or not (0)
- * @param int Whether the exercise is visible to the user (1) or not (0)
- * @param int Whether the results are show to the user (0) or not (1)
- * @param int Maximum number of attempts (0 if no limit)
- * @param int Feedback type
- * @return int New exercise ID
- */
- function create_quiz ($title, $expired_time = 0, $type = 2, $random = 0, $active = 1, $results_disabled = 0, $max_attempt = 0, $feedback = 3) {
- $tbl_quiz = Database::get_course_table(TABLE_QUIZ_TEST);
- $expired_time = filter_var($expired_time,FILTER_SANITIZE_NUMBER_INT);
- $type = filter_var($type,FILTER_SANITIZE_NUMBER_INT);
- $random = filter_var($random,FILTER_SANITIZE_NUMBER_INT);
- $active = filter_var($active,FILTER_SANITIZE_NUMBER_INT);
- $results_disabled = filter_var($results_disabled,FILTER_SANITIZE_NUMBER_INT);
- $max_attempt = filter_var($max_attempt,FILTER_SANITIZE_NUMBER_INT);
- $feedback = filter_var($feedback,FILTER_SANITIZE_NUMBER_INT);
- $sid = api_get_session_id();
- // Save a new quiz
- $sql = "INSERT INTO $tbl_quiz (title,type,random,active,results_disabled, ".
- "max_attempt,start_time,end_time,feedback_type,expired_time, session_id) ".
- " VALUES('".Database::escape_string($title)."',$type,$random,$active, ".
- "$results_disabled,$max_attempt,'','',$feedback,$expired_time,$sid)";
- $rs = Database::query($sql);
- $quiz_id = Database::get_last_insert_id();
- return $quiz_id;
- }
- }
- endif;
- ?>
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