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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, adding multiple categories, media questions, commitee
- * Modified by Hubert Borderiou #294
- */
- /**
- * Code
- */
- use \ChamiloSession as Session;
- // Page options
- define('ALL_ON_ONE_PAGE', 1);
- define('ONE_PER_PAGE', 2);
- define('EXERCISE_MODEL_TYPE_NORMAL', 1);
- define('EXERCISE_MODEL_TYPE_COMMITTEE', 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);
- define('EXERCISE_CATEGORY_RANDOM_SHUFFLED', 1);
- define('EXERCISE_CATEGORY_RANDOM_ORDERED', 2);
- define('EXERCISE_CATEGORY_RANDOM_DISABLED', 0);
- // Question selection type
- define('EX_Q_SELECTION_ORDERED', 1);
- define('EX_Q_SELECTION_RANDOM', 2);
- define('EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_ORDERED', 3);
- define('EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED', 4);
- define('EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_RANDOM', 5);
- define('EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM', 6);
- define('EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED', 7);
- define('EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED', 8);
- define('EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_ORDERED', 9);
- define('EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_RANDOM', 10);
- $debug = false; //All exercise scripts should depend in this debug variable
- 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;
- /* show media id */
- public $questionList; // medias as id
- /* including question list of the media */
- public $questionListUncompressed;
- 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;
- public $categories;
- public $categories_grouping = true;
- public $endButton = 0;
- public $categoryWithQuestionList;
- public $mediaList;
- public $loadQuestionAJAX = false;
- // Notification send to the teacher.
- public $emailNotificationTemplate = null;
- // Notification send to the student.
- public $emailNotificationTemplateToUser = null;
- public $countQuestions = 0;
- public $fastEdition = false;
- public $modelType = 1;
- public $questionSelectionType = EX_Q_SELECTION_ORDERED;
- public $hideQuestionTitle = 0;
- public $scoreTypeModel = 0;
- public $categoryMinusOne = true; // Shows the category -1: See BT#6540
- public $globalCategoryId = null;
- public $onSuccessMessage = null;
- public $onFailedMessage = null;
- public $emailAlert;
- public $notifyUserByEmail = 0;
- public $sessionId = 0;
- /**
- * Constructor of the class
- * @author - Olivier Brouckaert
- * @param int $course_id
- * @throws Exception
- */
- public function Exercise($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;
- $this->modelType = 1;
- $this->questionSelectionType = EX_Q_SELECTION_ORDERED;
- $this->endButton = 0;
- $this->scoreTypeModel = 0;
- $this->globalCategoryId = null;
- if (!empty($course_id)) {
- $course_info = api_get_course_info_by_id($course_id);
- } else {
- $course_info = api_get_course_info();
- }
- /* Make sure that we have a valid $course_info. */
- if (!isset($course_info['real_id'])) {
- throw new Exception('Could not get a valid $course_info with the provided $course_id: ' . $course_id . '.');
- }
- $this->course_id = $course_info['real_id'];
- $this->course = $course_info;
- $this->fastEdition = api_get_course_setting('allow_fast_exercise_edition') == 1 ? true : false;
- $this->emailAlert = api_get_course_setting('email_alert_manager_on_new_quiz') == 1 ? true : false;
- $this->hideQuestionTitle = 0;
- }
- /**
- * Reads exercise information from the database
- *
- * @author Olivier Brouckaert
- * @todo use Doctrine to manage read/writes
- * @param int $id - exercise ID
- * @param bool parse exercise question list
- * @return boolean - true if exercise exists, otherwise false
- */
- public function read($id, $parseQuestionList = true)
- {
- if (empty($this->course_id)) {
- return false;
- }
- global $_configuration;
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
- $table_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $id = intval($id);
- $sql = "SELECT * FROM $TBL_EXERCICES WHERE c_id = ".$this->course_id." AND iid = ".$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->endButton = $object->end_button;
- $this->onSuccessMessage = $object->on_success_message;
- $this->onFailedMessage= $object->on_failed_message;
- $this->emailNotificationTemplate = $object->email_notification_template;
- $this->emailNotificationTemplateToUser = $object->email_notification_template_to_user;
- $this->notifyUserByEmail = $object->notify_user_by_email;
- $this->modelType = $object->model_type;
- $this->questionSelectionType = $object->question_selection_type;
- $this->hideQuestionTitle = $object->hide_question_title;
- $this->scoreTypeModel = $object->score_type_model;
- $this->globalCategoryId = $object->global_category_id;
- $this->review_answers = (isset($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 = $object->expired_time;
- if ($parseQuestionList) {
- $this->setQuestionList();
- }
- //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 = $questionList;
- } */
- return true;
- }
- // exercise not found
- return false;
- }
- /**
- * @return string
- */
- public function getCutTitle()
- {
- return Text::cut($this->exercise, EXERCISE_MAX_NAME_SIZE);
- }
- /**
- * returns the exercise ID
- *
- * @author Olivier Brouckaert
- * @return int - exercise ID
- */
- public function selectId()
- {
- return $this->id;
- }
- /**
- * returns the exercise title
- *
- * @author Olivier Brouckaert
- * @return string - exercise title
- */
- public function selectTitle()
- {
- return $this->exercise;
- }
- /**
- * returns the number of attempts setted
- *
- * @return int - exercise attempts
- */
- public function selectAttempts()
- {
- return $this->attempts;
- }
- /** returns the number of FeedbackType *
- * 0=>Feedback , 1=>DirectFeedback, 2=>NoFeedback
- * @return int - exercise attempts
- */
- public 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
- */
- public function selectSound()
- {
- return $this->sound;
- }
- /**
- * returns the exercise type
- *
- * @author Olivier Brouckaert
- * @return integer - exercise type
- */
- public function selectType()
- {
- return $this->type;
- }
- /**
- * @author hubert borderiou 30-11-11
- * @return integer : do we display the question category name for students
- */
- public function selectDisplayCategoryName()
- {
- return $this->display_category_name;
- }
- /**
- * @return string
- */
- public function selectPassPercentage()
- {
- return $this->pass_percentage;
- }
- /**
- * @return string
- */
- public function selectEmailNotificationTemplate()
- {
- return $this->emailNotificationTemplate;
- }
- /**
- * @return string
- */
- public function selectEmailNotificationTemplateToUser()
- {
- return $this->emailNotificationTemplateToUser;
- }
- /**
- * @return string
- */
- public function getNotifyUserByEmail()
- {
- return $this->notifyUserByEmail;
- }
- /**
- * @return int
- */
- public function getModelType()
- {
- return $this->modelType;
- }
- /**
- * @return int
- */
- public function selectEndButton()
- {
- return $this->endButton;
- }
- /**
- * @return string
- */
- public function getOnSuccessMessage()
- {
- return $this->onSuccessMessage;
- }
- /**
- * @return string
- */
- public function getOnFailedMessage()
- {
- return $this->onFailedMessage;
- }
- /**
- * @author Hubert borderiou 30-11-11
- * @return void modify object to update the switch display_category_name
- * $in_txt is an integer 0 or 1
- */
- public function updateDisplayCategoryName($text)
- {
- $this->display_category_name = $text;
- }
- /**
- * @author - hubert borderiou 28-11-11
- * @return string html text : the text to display ay the end of the test.
- */
- public function selectTextWhenFinished()
- {
- return $this->text_when_finished;
- }
- /**
- * @author Hubert borderiou 28-11-11
- * @return string html text : update the text to display ay the end of the test.
- */
- public function updateTextWhenFinished($text)
- {
- $this->text_when_finished = $text;
- }
- /**
- * return 1 or 2 if randomByCat
- * @author - hubert borderiou
- * @return integer - quiz random by category
- */
- public function selectRandomByCat()
- {
- return $this->randomByCat;
- }
- /**
- * return 0 if no random by cat
- * return 1 if random by cat, categories shuffled
- * return 2 if random by cat, categories sorted by alphabetic order
- * @author Hubert borderiou
- *
- * @return integer - quiz random by category
- */
- public function isRandomByCat()
- {
- $res = EXERCISE_CATEGORY_RANDOM_DISABLED;
- if ($this->randomByCat == EXERCISE_CATEGORY_RANDOM_SHUFFLED) {
- $res = EXERCISE_CATEGORY_RANDOM_SHUFFLED;
- } else if ($this->randomByCat == EXERCISE_CATEGORY_RANDOM_ORDERED) {
- $res = EXERCISE_CATEGORY_RANDOM_ORDERED;
- }
- return $res;
- }
- /**
- * Sets the random by category value
- * @author Julio Montoya
- * @param int random by category
- */
- public function updateRandomByCat($random)
- {
- if (in_array($random, array(
- EXERCISE_CATEGORY_RANDOM_SHUFFLED,
- EXERCISE_CATEGORY_RANDOM_ORDERED,
- EXERCISE_CATEGORY_RANDOM_DISABLED
- )
- )) {
- $this->randomByCat = $random;
- } else {
- $this->randomByCat = EXERCISE_CATEGORY_RANDOM_DISABLED;
- }
- }
- /**
- * Tells if questions are selected randomly, and if so returns the draws
- *
- * @author Carlos Vargas
- * @return integer - results disabled exercise
- */
- public function selectResultsDisabled()
- {
- return $this->results_disabled;
- }
- /**
- * tells if questions are selected randomly, and if so returns the draws
- *
- * @author - Olivier Brouckaert
- *
- * @return bool - 0 if not random, otherwise the draws
- */
- public function isRandom()
- {
- if ($this->random > 0 || $this->random == -1) {
- return true;
- } else {
- return false;
- }
- }
- /**
- * returns random answers status.
- *
- * @author - Juan Carlos Ra�a
- */
- public function selectRandomAnswers()
- {
- return $this->random_answers;
- }
- /**
- * Same as isRandom() but has a name applied to values different than 0 or 1
- */
- public function getShuffle()
- {
- return $this->random;
- }
- /**
- * Returns the exercise status (1 = enabled ; 0 = disabled)
- *
- * @author - Olivier Brouckaert
- * @return - boolean - true if enabled, otherwise false
- */
- public function selectStatus()
- {
- return $this->active;
- }
- /**
- * If false the question list will be managed as always if true the question will be filtered
- * depending of the exercise settings (table c_quiz_rel_category)
- * @param bool active or inactive grouping
- **/
- public function setCategoriesGrouping($status)
- {
- $this->categories_grouping = (bool) $status;
- }
- /**
- * @return int
- */
- public function getHideQuestionTitle()
- {
- return $this->hideQuestionTitle;
- }
- /**
- * @param $value
- */
- public function setHideQuestionTitle($value)
- {
- $this->hideQuestionTitle = intval($value);
- }
- /**
- * @return int
- */
- public function getScoreTypeModel()
- {
- return $this->scoreTypeModel;
- }
- /**
- * @param int $value
- */
- public function setScoreTypeModel($value)
- {
- $this->scoreTypeModel = intval($value);
- }
- /**
- * @return int
- */
- public function getGlobalCategoryId()
- {
- return $this->globalCategoryId;
- }
- /**
- * @param int $value
- */
- public function setGlobalCategoryId($value)
- {
- if (is_array($value) && isset($value[0])) {
- $value = $value[0];
- }
- $this->globalCategoryId = intval($value);
- }
- /**
- *
- * @param int $start
- * @param int $limit
- * @param int $sidx
- * @param string $sord
- * @param array $where_condition
- * @param array $extraFields
- */
- public function getQuestionListPagination($start, $limit, $sidx, $sord, $where_condition = array(), $extraFields = array())
- {
- if (!empty($this->id)) {
- $category_list = Testcategory::getListOfCategoriesNameForTest($this->id, false);
- //$category_list = Testcategory::getListOfCategoriesIDForTestObject($this);
- $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
- $sql = "SELECT q.iid
- FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
- ON (e.question_id = q.iid AND e.c_id = ".$this->course_id." )
- WHERE e.exercice_id = '".Database::escape_string($this->id)."'
- ";
- $orderCondition = "ORDER BY question_order";
- if (!empty($sidx) && !empty($sord)) {
- if ($sidx == 'question') {
- if (in_array(strtolower($sord), array('desc', 'asc'))) {
- $orderCondition = " ORDER BY q.$sidx $sord";
- }
- }
- }
- $sql .= $orderCondition;
- $limitCondition = null;
- if (isset($start) && isset($limit)) {
- $start = intval($start);
- $limit = intval($limit);
- $limitCondition = " LIMIT $start, $limit";
- }
- $sql .= $limitCondition;
- $result = Database::query($sql);
- $questions = array();
- if (Database::num_rows($result)) {
- if (!empty($extraFields)) {
- $extraFieldValue = new ExtraFieldValue('question');
- }
- while ($question = Database::fetch_array($result, 'ASSOC')) {
- /** @var Question $objQuestionTmp */
- $objQuestionTmp = Question::read($question['iid']);
- $category_labels = Testcategory::return_category_labels($objQuestionTmp->category_list, $category_list);
- if (empty($category_labels)) {
- $category_labels = "-";
- }
- // Question type
- list($typeImg, $typeExpl) = $objQuestionTmp->get_type_icon_html();
- $question_media = null;
- if (!empty($objQuestionTmp->parent_id)) {
- $objQuestionMedia = Question::read($objQuestionTmp->parent_id);
- $question_media = Question::getMediaLabel($objQuestionMedia->question);
- }
- $questionType = Display::tag('div', Display::return_icon($typeImg, $typeExpl, array(), ICON_SIZE_MEDIUM).$question_media);
- $question = array(
- 'id' => $question['iid'],
- 'question' => $objQuestionTmp->selectTitle(),
- 'type' => $questionType,
- 'category' => Display::tag('div', '<a href="#" style="padding:0px; margin:0px;">'.$category_labels.'</a>'),
- 'score' => $objQuestionTmp->selectWeighting(),
- 'level' => $objQuestionTmp->level
- );
- if (!empty($extraFields)) {
- foreach ($extraFields as $extraField) {
- $value = $extraFieldValue->get_values_by_handler_and_field_id($question['id'], $extraField['id']);
- $stringValue = null;
- if ($value) {
- $stringValue = $value['field_value'];
- }
- $question[$extraField['field_variable']] = $stringValue;
- }
- }
- $questions[] = $question;
- }
- }
- return $questions;
- }
- }
- /**
- * Get question count per exercise from DB (any special treatment)
- * @return int
- */
- public function getQuestionCount()
- {
- $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
- $sql = "SELECT count(e.iid) as count
- FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
- ON (e.question_id = q.iid)
- WHERE e.c_id = {$this->course_id} AND e.exercice_id = ".Database::escape_string($this->id);
- $result = Database::query($sql);
- $count = 0;
- if (Database::num_rows($result)) {
- $row = Database::fetch_array($result);
- $count = $row['count'];
- }
- return $count;
- }
- /**
- * @return array
- */
- public function getQuestionOrderedListByName()
- {
- $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
- // Getting question list from the order (question list drag n drop interface ).
- $sql = "SELECT e.question_id
- FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
- ON (e.question_id= q.iid)
- WHERE e.c_id = {$this->course_id} AND e.exercice_id = '".Database::escape_string($this->id)."'
- ORDER BY q.question";
- $result = Database::query($sql);
- return $result->fetchAll();
- }
- /**
- * Gets the question list ordered by the question_order setting (drag and drop)
- * @return array
- */
- private function getQuestionOrderedList()
- {
- $questionList = array();
- $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
- // Getting question_order to verify that the question list is correct and all question_order's were set
- $sql = "SELECT DISTINCT e.question_order
- FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
- ON (e.question_id = q.iid)
- WHERE e.c_id = {$this->course_id} AND e.exercice_id = ".Database::escape_string($this->id);
- $result = Database::query($sql);
- $count_question_orders = Database::num_rows($result);
- // Getting question list from the order (question list drag n drop interface ).
- $sql = "SELECT e.question_id, e.question_order
- FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
- ON (e.question_id= q.iid)
- WHERE e.c_id = {$this->course_id} AND e.exercice_id = '".Database::escape_string($this->id)."'
- ORDER BY question_order";
- $result = Database::query($sql);
- // Fills the array with the question ID for this exercise
- // the key of the array is the question position
- $temp_question_list = array();
- $counter = 1;
- while ($new_object = Database::fetch_object($result)) {
- // Correct order.
- $questionList[$new_object->question_order] = $new_object->question_id;
- // Just in case we save the order in other array
- $temp_question_list[$counter] = $new_object->question_id;
- $counter++;
- }
- if (!empty($temp_question_list)) {
- /* If both array don't match it means that question_order was not correctly set
- for all questions using the default mysql order */
- if (count($temp_question_list) != $count_question_orders) {
- $questionList = $temp_question_list;
- }
- }
- return $questionList;
- }
- /**
- * Select N values from the questions per category array
- *
- * @param array $question_list
- * @param array $questions_by_category per category
- * @param array how many questions per category
- * @param bool $randomizeQuestions
- * @param bool flat result
- *
- * @return array
- */
- private function pickQuestionsPerCategory(
- $categoriesAddedInExercise,
- $question_list,
- & $questions_by_category,
- $flatResult = true,
- $randomizeQuestions = false
- ) {
- $addAll = true;
- $categoryCountArray = array();
- // Getting how many questions will be selected per category.
- if (!empty($categoriesAddedInExercise)) {
- $addAll = false;
- // Parsing question according the category rel exercise settings
- foreach ($categoriesAddedInExercise as $category_info) {
- $category_id = $category_info['category_id'];
- if (isset($questions_by_category[$category_id])) {
- // How many question will be picked from this category.
- $count = $category_info['count_questions'];
- // -1 means all questions
- if ($count == -1) {
- $categoryCountArray[$category_id] = 999;
- } else {
- $categoryCountArray[$category_id] = $count;
- }
- }
- }
- }
- if (!empty($questions_by_category)) {
- $temp_question_list = array();
- foreach ($questions_by_category as $category_id => & $categoryQuestionList) {
- if (isset($categoryCountArray) && !empty($categoryCountArray)) {
- if (isset($categoryCountArray[$category_id])) {
- $numberOfQuestions = $categoryCountArray[$category_id];
- } else {
- $numberOfQuestions = 0;
- }
- }
- if ($addAll) {
- $numberOfQuestions = 999;
- }
- if (!empty($numberOfQuestions)) {
- $elements = Testcategory::getNElementsFromArray($categoryQuestionList, $numberOfQuestions, $randomizeQuestions);
- if (!empty($elements)) {
- $temp_question_list[$category_id] = $elements;
- $categoryQuestionList = $elements;
- }
- }
- }
- if (!empty($temp_question_list)) {
- if ($flatResult) {
- $temp_question_list = ArrayClass::array_flatten($temp_question_list);
- }
- $question_list = $temp_question_list;
- }
- }
- return $question_list;
- }
- /**
- * Selecting question list depending in the exercise-category
- * relationship (category table in exercise settings)
- *
- * @param array $question_list
- * @param int $questionSelectionType
- * @return array
- */
- public function getQuestionListWithCategoryListFilteredByCategorySettings($question_list, $questionSelectionType)
- {
- $result = array(
- 'question_list' => array(),
- 'category_with_questions_list' => array()
- );
- // Order/random categories
- $cat = new Testcategory();
- // Setting category order.
- switch ($questionSelectionType) {
- case EX_Q_SELECTION_ORDERED: // 1
- case EX_Q_SELECTION_RANDOM: // 2
- // This options are not allowed here.
- break;
- case EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_ORDERED: // 3
- $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], 'title DESC', false, true);
- $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
- $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, false);
- break;
- case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED: // 4
- case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED: // 7
- $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], null, true, true);
- $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
- $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, false);
- break;
- case EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_RANDOM: // 5
- $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], 'title DESC', false, true);
- $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
- $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, true);
- break;
- case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM: // 6
- case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED:
- $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], null, true, true);
- $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
- $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, true);
- break;
- case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED: // 7
- break;
- case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED: // 8
- break;
- case EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_ORDERED: // 9
- $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], 'root ASC, lft ASC', false, true);
- $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
- $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, false);
- break;
- case EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_RANDOM: // 10
- $categoriesAddedInExercise = $cat->getCategoryExerciseTree($this->id, $this->course['real_id'], 'root, lft ASC', false, true);
- $questions_by_category = Testcategory::getQuestionsByCat($this->id, $question_list, $categoriesAddedInExercise);
- $question_list = $this->pickQuestionsPerCategory($categoriesAddedInExercise, $question_list, $questions_by_category, true, true);
- break;
- }
- $result['question_list'] = isset($question_list) ? $question_list : array();
- $result['category_with_questions_list'] = isset($questions_by_category) ? $questions_by_category : array();
- // Adding category info in the category list with question list:
- if (!empty($questions_by_category)) {
- $em = Database::getManager();
- $repo = $em->getRepository('ChamiloCoreBundle:CQuizCategory');
- $newCategoryList = array();
- foreach ($questions_by_category as $categoryId => $questionList) {
- $cat = new Testcategory($categoryId);
- $cat = (array)$cat;
- $cat['iid'] = $cat['id'];
- $cat['name'] = $cat['title'];
- $categoryParentInfo = null;
- if (!empty($cat['parent_id'])) {
- if (!isset($parentsLoaded[$cat['parent_id']])) {
- $categoryEntity = $em->find('ChamiloCoreBundle:CQuizCategory', $cat['parent_id']);
- $parentsLoaded[$cat['parent_id']] = $categoryEntity;
- } else {
- $categoryEntity = $parentsLoaded[$cat['parent_id']];
- }
- $path = $repo->getPath($categoryEntity);
- $index = 0;
- if ($this->categoryMinusOne) {
- //$index = 1;
- }
- /** @var \Chamilo\Entity\CQuizCategory $categoryParent*/
- foreach ($path as $categoryParent) {
- $visibility = $categoryParent->getVisibility();
- if ($visibility == 0) {
- $categoryParentId = $categoryId;
- $categoryTitle = $cat['title'];
- if (count($path) > 1) {
- continue;
- }
- } else {
- $categoryParentId = $categoryParent->getIid();
- $categoryTitle = $categoryParent->getTitle();
- }
- $categoryParentInfo['id'] = $categoryParentId;
- $categoryParentInfo['iid'] = $categoryParentId;
- $categoryParentInfo['parent_path'] = null;
- $categoryParentInfo['title'] = $categoryTitle;
- $categoryParentInfo['name'] = $categoryTitle;
- $categoryParentInfo['parent_id'] = null;
- break;
- }
- }
- $cat['parent_info'] = $categoryParentInfo;
- $newCategoryList[$categoryId] = array(
- 'category' => $cat,
- 'question_list' => $questionList
- );
- }
- $result['category_with_questions_list'] = $newCategoryList;
- }
- return $result;
- }
- /**
- * Returns the array with the question ID list ordered by question order (including question list in medias)
- *
- * @author Olivier Brouckaert
- * @param bool $from_db
- * @return array question ID list
- */
- public function selectQuestionList($from_db = false)
- {
- if ($from_db && !empty($this->id)) {
- $nbQuestions = $this->getQuestionCount();
- $questionSelectionType = $this->getQuestionSelectionType();
- switch ($questionSelectionType) {
- case EX_Q_SELECTION_ORDERED:
- $questionList = $this->getQuestionOrderedList();
- break;
- case EX_Q_SELECTION_RANDOM:
- // Not a random exercise, or if there are not at least 2 questions
- if ($this->random == 0 || $nbQuestions < 2) {
- $questionList = $this->getQuestionOrderedList();
- } else {
- $questionList = $this->selectRandomList();
- }
- break;
- default:
- $questionList = $this->getQuestionOrderedList();
- $result = $this->getQuestionListWithCategoryListFilteredByCategorySettings($questionList, $questionSelectionType);
- $this->categoryWithQuestionList = $result['category_with_questions_list'];
- $questionList = $result['question_list'];
- break;
- }
- return $questionList;
- }
- return $this->questionList;
- }
- /**
- * returns the number of questions in this exercise
- *
- * @author - Olivier Brouckaert
- * @return integer - number of questions
- */
- public function selectNbrQuestions()
- {
- return sizeof($this->questionList);
- }
- public function selectPropagateNeg()
- {
- return $this->propagate_neg;
- }
- /**
- * Selects questions randomly in the question list
- * If the exercise is not set to take questions randomly, returns the question list
- * without randomizing, otherwise, returns the list with questions selected randomly
- *
- * @author Olivier Brouckaert, Modified by Hubert Borderiou 15 nov 2011
- * @param array question list
- * @return array question list modified or unmodified
- *
- */
- public function selectRandomList()
- {
- $TBL_EXERCISE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
- $random = isset($this->random) && !empty($this->random) ? $this->random : 0;
- $randomLimit = "LIMIT $random";
- // Random all questions so no limit
- if ($random == -1) {
- $randomLimit = null;
- }
- // @todo improve this query
- $sql = "SELECT e.question_id
- FROM $TBL_EXERCISE_QUESTION e INNER JOIN $TBL_QUESTIONS q
- ON (e.question_id= q.iid)
- WHERE e.c_id = {$this->course_id} AND e.exercice_id = '".Database::escape_string($this->id)."'
- ORDER BY RAND()
- $randomLimit ";
- $result = Database::query($sql);
- $questionList = array();
- while ($row = Database::fetch_object($result)) {
- $questionList[] = $row->question_id;
- }
- return $questionList;
- }
- /**
- * returns 'true' if the question ID is in the question list
- *
- * @author - Olivier Brouckaert
- * @param - integer $questionId - question ID
- *
- * @return boolean - true if in the list, otherwise false
- */
- public function isInList($questionId)
- {
- if (is_array($this->questionList)) {
- return in_array($questionId, $this->questionList);
- } else {
- return false;
- }
- }
- /**
- * changes the exercise title
- *
- * @author - Olivier Brouckaert
- * @param - string $title - exercise title
- */
- public function updateTitle($title)
- {
- $this->exercise = $title;
- }
- /**
- * changes the exercise max attempts
- *
- * @param - numeric $attempts - exercise max attempts
- */
- public function updateAttempts($attempts)
- {
- $this->attempts = $attempts;
- }
- public function updateActive($active)
- {
- $this->active = $active;
- }
- /**
- * changes the exercise feedback type
- *
- * @param - numeric $attempts - exercise max attempts
- */
- public function updateFeedbackType($feedback_type)
- {
- $this->feedback_type = $feedback_type;
- }
- /**
- * changes the exercise description
- *
- * @author - Olivier Brouckaert
- * @param - string $description - exercise description
- */
- public function updateDescription($description)
- {
- $this->description = $description;
- }
- /**
- * changes the exercise expired_time
- *
- * @author - Isaac flores
- * @param - int The expired time of the quiz
- */
- public function updateExpiredTime($expired_time)
- {
- $this->expired_time = $expired_time;
- }
- public function updatePropagateNegative($value)
- {
- $this->propagate_neg = $value;
- }
- /**
- * @param $value
- */
- public function updateReviewAnswers($value)
- {
- $this->review_answers = (isset($value) && $value) ? true : false;
- }
- /**
- * @param $value
- */
- public function updatePassPercentage($value)
- {
- $this->pass_percentage = $value;
- }
- /**
- * @param string $text
- */
- public function updateEmailNotificationTemplate($text)
- {
- $this->emailNotificationTemplate = $text;
- }
- /**
- * @param string $text
- */
- public function updateEmailNotificationTemplateToUser($text)
- {
- $this->emailNotificationTemplateToUser = $text;
- }
- /**
- * @param string $value
- */
- public function setNotifyUserByEmail($value)
- {
- $this->notifyUserByEmail = $value;
- }
- /**
- * @param int $value
- */
- public function updateEndButton($value)
- {
- $this->endButton = intval($value);
- }
- /**
- * @param string $value
- */
- public function setOnSuccessMessage($value)
- {
- $this->onSuccessMessage = $value;
- }
- /**
- * @param string $value
- */
- public function setOnFailedMessage($value)
- {
- $this->onFailedMessage = $value;
- }
- /**
- * @param $value
- */
- public function setModelType($value)
- {
- $this->modelType = intval($value);
- }
- /**
- * @param intval $value
- */
- public function setQuestionSelectionType($value)
- {
- $this->questionSelectionType = intval($value);
- }
- /**
- * @return int
- */
- public function getQuestionSelectionType()
- {
- return $this->questionSelectionType;
- }
- /**
- * @param array $categories
- */
- public function updateCategories($categories)
- {
- if (!empty($categories)) {
- $categories = array_map('intval', $categories);
- $this->categories = $categories;
- }
- }
- /**
- * changes the exercise sound file
- *
- * @author - Olivier Brouckaert
- * @param - string $sound - exercise sound file
- * @param - string $delete - ask to delete the file
- */
- public function updateSound($sound, $delete)
- {
- global $audioPath, $documentPath;
- $TBL_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
- if ($sound['size'] && (strstr($sound['type'], 'audio') || strstr($sound['type'], 'video'))) {
- $this->sound = $sound['name'];
- if (@move_uploaded_file($sound['tmp_name'], $audioPath.'/'.$this->sound)) {
- $query = "SELECT 1 FROM $TBL_DOCUMENT WHERE c_id = ".$this->course_id." AND path='".str_replace(
- $documentPath,
- '',
- $audioPath
- ).'/'.$this->sound."'";
- $result = Database::query($query);
- if (!Database::num_rows($result)) {
- $id = FileManager::add_document(
- $this->course,
- str_replace($documentPath, '', $audioPath).'/'.$this->sound,
- 'file',
- $sound['size'],
- $sound['name']
- );
- api_item_property_update($this->course, TOOL_DOCUMENT, $id, 'DocumentAdded', api_get_user_id());
- FileManager::item_property_update_on_folder(
- $this->course,
- str_replace($documentPath, '', $audioPath),
- api_get_user_id()
- );
- }
- }
- } elseif ($delete && is_file($audioPath.'/'.$this->sound)) {
- $this->sound = '';
- }
- }
- /**
- * changes the exercise type
- *
- * @author - Olivier Brouckaert
- * @param - integer $type - exercise type
- */
- public function updateType($type)
- {
- $this->type = $type;
- }
- /**
- * sets to 0 if questions are not selected randomly
- * if questions are selected randomly, sets the draws
- *
- * @author - Olivier Brouckaert
- * @param - integer $random - 0 if not random, otherwise the draws
- */
- public function setRandom($random)
- {
- $this->random = $random;
- }
- /**
- * sets to 0 if answers are not selected randomly
- * if answers are selected randomly
- * @author - Juan Carlos Ra�a
- * @param - integer $random_answers - random answers
- */
- public function updateRandomAnswers($random_answers)
- {
- $this->random_answers = $random_answers;
- }
- /**
- * Enables the exercise
- *
- * @author - Olivier Brouckaert
- */
- public function enable()
- {
- $this->active = 1;
- }
- /**
- * Disables the exercise
- *
- * @author - Olivier Brouckaert
- */
- public function disable()
- {
- $this->active = 0;
- }
- /**
- * Disable results
- */
- public function disable_results()
- {
- $this->results_disabled = true;
- }
- /**
- * Enable results
- */
- public function enable_results()
- {
- $this->results_disabled = false;
- }
- /**
- * @param int $results_disabled
- */
- public function updateResultsDisabled($results_disabled)
- {
- $this->results_disabled = intval($results_disabled);
- }
- /**
- * updates the exercise in the data base
- *
- * @author - Olivier Brouckaert
- */
- public function save($type_e = '')
- {
- $_course = $this->course;
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
- $id = $this->id;
- $exercise = $this->exercise;
- $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($this->description)."'";
- if ($type_e != 'simple') {
- $sql .= ",sound='".Database::escape_string($sound)."',
- type ='".Database::escape_string($type)."',
- random ='".Database::escape_string($random)."',
- random_answers ='".Database::escape_string($random_answers)."',
- active ='".Database::escape_string($active)."',
- feedback_type ='".Database::escape_string($feedback_type)."',
- start_time = '$start_time',
- end_time = '$end_time',
- max_attempt ='".Database::escape_string($attempts)."',
- expired_time ='".Database::escape_string($expired_time)."',
- propagate_neg ='".Database::escape_string($propagate_neg)."',
- review_answers ='".Database::escape_string($review_answers)."',
- random_by_category='".Database::escape_string($randomByCat)."',
- text_when_finished = '".Database::escape_string($text_when_finished)."',
- display_category_name = '".Database::escape_string($display_category_name)."',
- pass_percentage = '".Database::escape_string($pass_percentage)."',
- end_button = '".$this->selectEndButton()."',
- on_success_message = '".Database::escape_string($this->getOnSuccessMessage())."',
- on_failed_message = '".Database::escape_string($this->getOnFailedMessage())."',
- email_notification_template = '".Database::escape_string($this->selectEmailNotificationTemplate())."',
- email_notification_template_to_user = '".Database::escape_string($this->selectEmailNotificationTemplateToUser())."',
- notify_user_by_email = '".Database::escape_string($this->getNotifyUserByEmail())."',
- model_type = '".$this->getModelType()."',
- question_selection_type = '".$this->getQuestionSelectionType()."',
- hide_question_title = '".$this->getHideQuestionTitle()."',
- score_type_model = '".$this->getScoreTypeModel()."',
- global_category_id = '".$this->getGlobalCategoryId()."',
- results_disabled='".Database::escape_string($results_disabled)."'";
- }
- $sql .= " WHERE iid = ".Database::escape_string($id)." AND c_id = {$this->course_id}";
- Database::query($sql);
- // Update into the item_property table
- api_item_property_update($_course, TOOL_QUIZ, $id, 'QuizUpdated', api_get_user_id());
- if (api_get_setting('search_enabled') == 'true') {
- $this->search_engine_edit();
- }
- } else {
- // Creates a new exercise
- $sql = "INSERT INTO $TBL_EXERCICES (
- c_id,
- start_time,
- end_time,
- title,
- description,
- sound,
- type,
- random,
- random_answers,
- active,
- max_attempt,
- feedback_type,
- expired_time,
- session_id,
- review_answers,
- random_by_category,
- text_when_finished,
- display_category_name,
- pass_percentage,
- end_button,
- on_success_message,
- on_failed_message,
- email_notification_template,
- email_notification_template_to_user,
- notify_user_by_email,
- results_disabled,
- model_type,
- question_selection_type,
- score_type_model,
- global_category_id,
- hide_question_title
- ) VALUES (
- ".$this->course_id.",
- '$start_time',
- '$end_time',
- '".Database::escape_string($exercise)."',
- '".Database::escape_string($this->description)."',
- '".Database::escape_string($sound)."',
- '".Database::escape_string($type)."',
- '".Database::escape_string($random)."',
- '".Database::escape_string($random_answers)."',
- '".Database::escape_string($active)."',
- '".Database::escape_string($attempts)."',
- '".Database::escape_string($feedback_type)."',
- '".Database::escape_string($expired_time)."',
- '".Database::escape_string($session_id)."',
- '".Database::escape_string($review_answers)."',
- '".Database::escape_string($randomByCat)."',
- '".Database::escape_string($text_when_finished)."',
- '".Database::escape_string($display_category_name)."',
- '".Database::escape_string($pass_percentage)."',
- '".Database::escape_string($this->selectEndButton())."',
- '".Database::escape_string($this->getOnSuccessMessage())."',
- '".Database::escape_string($this->getOnFailedMessage())."',
- '".Database::escape_string($this->selectEmailNotificationTemplate())."',
- '".Database::escape_string($this->selectEmailNotificationTemplateToUser())."',
- '".Database::escape_string($this->getNotifyUserByEmail())."',
- '".Database::escape_string($results_disabled)."',
- '".Database::escape_string($this->getModelType())."',
- '".Database::escape_string($this->getQuestionSelectionType())."',
- '".Database::escape_string($this->getScoreTypeModel())."',
- '".Database::escape_string($this->getGlobalCategoryId())."',
- '".Database::escape_string($this->getHideQuestionTitle())."'
- )";
- Database::query($sql);
- $this->id = Database::insert_id();
- $this->addExerciseToOrderTable();
- // insert into the item_property table
- api_item_property_update($this->course, TOOL_QUIZ, $this->id, 'QuizAdded', api_get_user_id());
- api_set_default_visibility($this->course, $this->id, TOOL_QUIZ);
- if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian')) {
- $this->search_engine_save();
- }
- }
- $this->save_categories_in_exercise($this->categories);
- // Updates the question position.
- $this->update_question_positions();
- }
- /**
- * Updates question position
- */
- public function update_question_positions()
- {
- $quiz_question_table = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- //Fixes #3483 when updating order
- $question_list = $this->selectQuestionList(true);
- if (!empty($question_list) && !empty($this->course_id) && !empty($this->id)) {
- foreach ($question_list as $position => $questionId) {
- $sql = "UPDATE $quiz_question_table SET question_order ='".intval($position)."'".
- "WHERE c_id = ".$this->course_id." AND question_id = ".intval($questionId)." AND exercice_id = ".$this->id;
- Database::query($sql);
- }
- }
- }
- /**
- * Adds a question into the question list
- *
- * @author Olivier Brouckaert
- * @param integer $questionId - question ID
- * @return boolean - true if the question has been added, otherwise false
- */
- public function addToList($questionId)
- {
- // checks if the question ID is not in the list
- if (!$this->isInList($questionId)) {
- // selects the max position
- if (!$this->selectNbrQuestions()) {
- $pos = 1;
- } else {
- if (is_array($this->questionList)) {
- $pos = max(array_keys($this->questionList)) + 1;
- }
- }
- $this->questionList[$pos] = $questionId;
- return true;
- }
- return false;
- }
- /**
- * removes a question from the question list
- *
- * @author - Olivier Brouckaert
- * @param integer $questionId - question ID
- * @return boolean - true if the question has been removed, otherwise false
- */
- public function removeFromList($questionId)
- {
- // searches the position of the question ID in the list
- $pos = array_search($questionId, $this->questionList);
- // question not found
- if ($pos === false) {
- return false;
- } else {
- // dont reduce the number of random question if we use random by category option, or if
- // random all questions
- if ($this->isRandom() && $this->isRandomByCat() == EXERCISE_CATEGORY_RANDOM_DISABLED) {
- if (count($this->questionList) >= $this->random && $this->random > 0) {
- $this->random -= 1;
- $this->save();
- }
- }
- // deletes the position from the array containing the wanted question ID
- unset($this->questionList[$pos]);
- return true;
- }
- }
- /**
- * deletes the exercise from the database
- * Notice : leaves the question in the data base
- *
- * @author - Olivier Brouckaert
- */
- public function delete()
- {
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
- $sql = "UPDATE $TBL_EXERCICES
- SET active='-1' WHERE c_id = ".$this->course_id." AND iid='".Database::escape_string($this->id)."'";
- Database::query($sql);
- api_item_property_update($this->course, TOOL_QUIZ, $this->id, 'QuizDeleted', api_get_user_id());
- $this->delete_exercise_order();
- if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian')) {
- $this->search_engine_delete();
- }
- }
- /**
- * Creates the form to create / edit an exercise
- * @param FormValidator $form the formvalidator instance (by reference)
- * @param string
- */
- public function createForm($form, $type = 'full')
- {
- if (empty($type)) {
- $type = 'full';
- }
- // form title
- if (!empty($_GET['exerciseId'])) {
- $form_title = get_lang('ModifyExercise');
- } else {
- $form_title = get_lang('NewEx');
- }
- $form->addElement('header', $form_title);
- // title
- $form->addElement(
- 'text',
- 'exerciseTitle',
- get_lang('ExerciseName'),
- array('class' => 'span6', 'id' => 'exercise_title')
- );
- $editor_config = array('ToolbarSet' => 'TestQuestionDescription', 'Width' => '100%', 'Height' => '150');
- if (is_array($type)) {
- $editor_config = array_merge($editor_config, $type);
- }
- $form->add_html_editor('exerciseDescription', get_lang('ExerciseDescription'), false, false, $editor_config);
- $form->addElement('advanced_settings', 'options', get_lang('AdvancedParameters'));
- $form->addElement('html', '<div id="options_options" style="display:none">');
- // Model type
- $radio = array(
- $form->createElement('radio', 'model_type', null, get_lang('Normal'), EXERCISE_MODEL_TYPE_NORMAL),
- $form->createElement('radio', 'model_type', null, get_lang('Committee'), EXERCISE_MODEL_TYPE_COMMITTEE)
- );
- $form->addGroup($radio, null, get_lang('ModelType'), '');
- $modelType = $this->getModelType();
- $scoreTypeDisplay = 'display:none';
- if ($modelType == EXERCISE_MODEL_TYPE_COMMITTEE) {
- $scoreTypeDisplay = null;
- }
- $form->addElement('html', '<div id="score_type" style="'.$scoreTypeDisplay.'">');
- // QuestionScoreType
- $em = Database::getManager();
- $types = $em->getRepository('ChamiloCoreBundle:QuestionScore')->findAll();
- $options = array(
- '0' => get_lang('SelectAnOption')
- );
- foreach ($types as $questionType) {
- $options[$questionType->getId()] = $questionType->getName();
- }
- $form->addElement(
- 'select',
- 'score_type_model',
- array(get_lang('QuestionScoreType')),
- $options,
- array('id' => 'score_type_model')
- );
- $form->addElement('html', '</div>');
- if ($type == 'full') {
- //Can't modify a DirectFeedback question
- if ($this->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_DIRECT) {
- // feedback type
- $radios_feedback = array();
- $radios_feedback[] = $form->createElement(
- 'radio',
- 'exerciseFeedbackType',
- null,
- get_lang('ExerciseAtTheEndOfTheTest'),
- '0',
- array('id' => 'exerciseType_0', 'onclick' => 'check_feedback()')
- );
- if (api_get_setting('enable_quiz_scenario') == 'true') {
- /* Can't convert a question from one feedback to another if there
- is more than 1 question already added */
- if ($this->selectNbrQuestions() == 0) {
- $radios_feedback[] = $form->createElement(
- 'radio',
- 'exerciseFeedbackType',
- null,
- get_lang('DirectFeedback'),
- '1',
- array('id' => 'exerciseType_1', 'onclick' => 'check_direct_feedback()')
- );
- }
- }
- $radios_feedback[] = $form->createElement(
- 'radio',
- 'exerciseFeedbackType',
- null,
- get_lang('NoFeedback'),
- '2',
- array('id' => 'exerciseType_2')
- );
- $form->addGroup($radios_feedback, null, get_lang('FeedbackType'), '');
- // question
- $radios = array(
- $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'), ALL_ON_ONE_PAGE, array('onclick' => 'check_per_page_all()', 'id' => 'option_page_all')),
- $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'), ONE_PER_PAGE, array('onclick' => 'check_per_page_one()', 'id' => 'option_page_one')),
- );
- $form->addGroup($radios, null, get_lang('QuestionsPerPage'), '');
- $radios_results_disabled = array();
- $radios_results_disabled[] = $form->createElement(
- 'radio',
- 'results_disabled',
- null,
- get_lang('ShowScoreAndRightAnswer'),
- '0',
- array('id' => 'result_disabled_0')
- );
- $radios_results_disabled[] = $form->createElement(
- 'radio',
- 'results_disabled',
- null,
- get_lang('DoNotShowScoreNorRightAnswer'),
- '1',
- array('id' => 'result_disabled_1', 'onclick' => 'check_results_disabled()')
- );
- $radios_results_disabled[] = $form->createElement(
- 'radio',
- 'results_disabled',
- null,
- get_lang('OnlyShowScore'),
- '2',
- array('id' => 'result_disabled_2', 'onclick' => 'check_results_disabled()')
- );
- $form->addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'), '');
- } else {
- // if is Directfeedback but has not questions we can allow to modify the question type
- if ($this->selectNbrQuestions() == 0) {
- // feedback type
- $radios_feedback = array();
- $radios_feedback[] = $form->createElement(
- 'radio',
- 'exerciseFeedbackType',
- null,
- get_lang('ExerciseAtTheEndOfTheTest'),
- '0',
- array('id' => 'exerciseType_0', 'onclick' => 'check_feedback()')
- );
- if (api_get_setting('enable_quiz_scenario') == 'true') {
- $radios_feedback[] = $form->createElement(
- 'radio',
- 'exerciseFeedbackType',
- null,
- get_lang('DirectFeedback'),
- '1',
- array('id' => 'exerciseType_1', 'onclick' => 'check_direct_feedback()')
- );
- }
- $radios_feedback[] = $form->createElement(
- 'radio',
- 'exerciseFeedbackType',
- null,
- get_lang('NoFeedback'),
- '2',
- array('id' => 'exerciseType_2')
- );
- $form->addGroup($radios_feedback, null, get_lang('FeedbackType'));
- // Exercise type
- $radios = array(
- $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'), '1'),
- $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'), '2'),
- $form->createElement('radio', 'exerciseType', null, get_lang('Committee'), '3')
- );
- $form->addGroup($radios, null, get_lang('ExerciseType'));
- $radios_results_disabled = array();
- $radios_results_disabled[] = $form->createElement(
- 'radio',
- 'results_disabled',
- null,
- get_lang('ShowScoreAndRightAnswer'),
- '0',
- array('id' => 'result_disabled_0')
- );
- $radios_results_disabled[] = $form->createElement(
- 'radio',
- 'results_disabled',
- null,
- get_lang('DoNotShowScoreNorRightAnswer'),
- '1',
- array('id' => 'result_disabled_1', 'onclick' => 'check_results_disabled()')
- );
- $radios_results_disabled[] = $form->createElement(
- 'radio',
- 'results_disabled',
- null,
- get_lang('OnlyShowScore'),
- '2',
- array('id' => 'result_disabled_2', 'onclick' => 'check_results_disabled()')
- );
- $form->addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'), '');
- } else {
- //Show options freeze
- $radios_results_disabled[] = $form->createElement(
- 'radio',
- 'results_disabled',
- null,
- get_lang('ShowScoreAndRightAnswer'),
- '0',
- array('id' => 'result_disabled_0')
- );
- $radios_results_disabled[] = $form->createElement(
- 'radio',
- 'results_disabled',
- null,
- get_lang('DoNotShowScoreNorRightAnswer'),
- '1',
- array('id' => 'result_disabled_1', 'onclick' => 'check_results_disabled()')
- );
- $radios_results_disabled[] = $form->createElement(
- 'radio',
- 'results_disabled',
- null,
- get_lang('OnlyShowScore'),
- '2',
- array('id' => 'result_disabled_2', 'onclick' => 'check_results_disabled()')
- );
- $result_disable_group = $form->addGroup(
- $radios_results_disabled,
- null,
- get_lang('ShowResultsToStudents'),
- ''
- );
- $result_disable_group->freeze();
- $radios[] = $form->createElement(
- 'radio',
- 'exerciseType',
- null,
- get_lang('SimpleExercise'),
- '1',
- array('onclick' => 'check_per_page_all()', 'id' => 'option_page_all')
- );
- $radios[] = $form->createElement(
- 'radio',
- 'exerciseType',
- null,
- get_lang('SequentialExercise'),
- '2',
- array('onclick' => 'check_per_page_one()', 'id' => 'option_page_one')
- );
- $type_group = $form->addGroup($radios, null, get_lang('QuestionsPerPage'), '');
- $type_group->freeze();
- //we force the options to the DirectFeedback exercisetype
- $form->addElement('hidden', 'exerciseFeedbackType', EXERCISE_FEEDBACK_TYPE_DIRECT);
- $form->addElement('hidden', 'exerciseType', ONE_PER_PAGE);
- }
- }
- $option = array(
- EX_Q_SELECTION_ORDERED => get_lang('OrderedByUser'), // defined by user
- EX_Q_SELECTION_RANDOM => get_lang('Random'), // 1-10, All
- 'per_categories' => '--------'.get_lang('UsingCategories').'----------',
- // Base (A 123 {3} B 456 {3} C 789{2} D 0{0}) --> Matrix {3, 3, 2, 0}
- EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_ORDERED => get_lang('OrderedCategoriesAlphabeticallyWithQuestionsOrdered'), // A 123 B 456 C 78 (0, 1, all)
- EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED => get_lang('RandomCategoriesWithQuestionsOrdered'), // C 78 B 456 A 123
- EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_RANDOM => get_lang('OrderedCategoriesAlphabeticallyWithRandomQuestions'), // A 321 B 654 C 87
- EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM => get_lang('RandomCategoriesWithRandomQuestions'), //C 87 B 654 A 321
- //EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED => get_lang('RandomCategoriesWithQuestionsOrderedNoQuestionGrouped'),
- /* B 456 C 78 A 123
- 456 78 123
- 123 456 78
- */
- //EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED => get_lang('RandomCategoriesWithRandomQuestionsNoQuestionGrouped'),
- /*
- A 123 B 456 C 78
- B 456 C 78 A 123
- B 654 C 87 A 321
- 654 87 321
- 165 842 73
- */
- EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_ORDERED => get_lang('OrderedCategoriesByParentWithQuestionsOrdered'),
- EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_RANDOM => get_lang('OrderedCategoriesByParentWithQuestionsRandom'),
- );
- $form->addElement(
- 'select',
- 'question_selection_type',
- array(get_lang('QuestionSelection')),
- $option,
- array('id' => 'questionSelection', 'onclick' => 'checkQuestionSelection()')
- );
- $displayMatrix = 'none';
- $displayRandom = 'none';
- $selectionType = $this->getQuestionSelectionType();
- switch ($selectionType) {
- case EX_Q_SELECTION_RANDOM:
- $displayRandom = 'block';
- break;
- case $selectionType >= EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_ORDERED:
- $displayMatrix = 'block';
- break;
- }
- $form->addElement('html', '<div id="hidden_random" style="display:'.$displayRandom.'">');
- // Number of random question.
- $max = ($this->id > 0) ? $this->selectNbrQuestions() : 10;
- $option = range(0, $max);
- $option[0] = get_lang('No');
- $option[-1] = get_lang('AllQuestionsShort');
- $form->addElement(
- 'select',
- 'randomQuestions',
- array(get_lang('RandomQuestions'), get_lang('RandomQuestionsHelp')),
- $option,
- array('id' => 'randomQuestions')
- );
- $form->addElement('html', '</div>');
- $form->addElement('html', '<div id="hidden_matrix" style="display:'.$displayMatrix.'">');
- // Category selection.
- $cat = new Testcategory();
- $cat_form = $cat->returnCategoryForm($this);
- $form->addElement('label', null, $cat_form);
- $form->addElement('html', '</div>');
- // Category name.
- $radio_display_cat_name = array(
- $form->createElement('radio', 'display_category_name', null, get_lang('Yes'), '1'),
- $form->createElement('radio', 'display_category_name', null, get_lang('No'), '0')
- );
- $form->addGroup($radio_display_cat_name, null, get_lang('QuestionDisplayCategoryName'), '');
- // Random answers.
- $radios_random_answers = array(
- $form->createElement('radio', 'randomAnswers', null, get_lang('Yes'), '1'),
- $form->createElement('radio', 'randomAnswers', null, get_lang('No'), '0')
- );
- $form->addGroup($radios_random_answers, null, get_lang('RandomAnswers'), '');
- // Hide question title.
- $group = array(
- $form->createElement('radio', 'hide_question_title', null, get_lang('Yes'), '1'),
- $form->createElement('radio', 'hide_question_title', null, get_lang('No'), '0')
- );
- $form->addGroup($group, null, get_lang('HideQuestionTitle'), '');
- // Attempts.
- $attempt_option = range(0, 10);
- $attempt_option[0] = get_lang('Infinite');
- $form->addElement(
- 'select',
- 'exerciseAttempts',
- get_lang('ExerciseAttempts'),
- $attempt_option,
- array('id' => 'exerciseAttempts')
- );
- // Exercise time limit.
- $form->addElement(
- 'checkbox',
- 'activate_start_date_check',
- null,
- get_lang('EnableStartTime'),
- array('onclick' => 'activate_start_date()')
- );
- // Start time.
- if (($this->start_time != '0000-00-00 00:00:00')) {
- $form->addElement('html', '<div id="start_date_div" style="display:block;">');
- } else {
- $form->addElement('html', '<div id="start_date_div" style="display:none;">');
- }
- $form->addElement('date_time_picker', 'start_time', '', array('form_name' => 'exercise_admin'), 5);
- $form->addElement('html', '</div>');
- // End time.
- $form->addElement(
- 'checkbox',
- 'activate_end_date_check',
- null,
- get_lang('EnableEndTime'),
- array('onclick' => 'activate_end_date()')
- );
- if (($this->end_time != '0000-00-00 00:00:00')) {
- $form->addElement('html', '<div id="end_date_div" style="display:block;">');
- } else {
- $form->addElement('html', '<div id="end_date_div" style="display:none;">');
- }
- $form->addElement('date_time_picker', 'end_time', '', array('form_name' => 'exercise_admin'), 5);
- $form->addElement('html', '</div>');
- // Propagate negative values.
- $display = 'block';
- $form->addElement('checkbox', 'propagate_neg', null, get_lang('PropagateNegativeResults'));
- $form->addElement('html', '<div class="clear"> </div>');
- $form->addElement('checkbox', 'review_answers', null, get_lang('ReviewAnswers'));
- $form->addElement('html', '<div id="divtimecontrol" style="display:'.$display.';">');
- // Exercise timer.
- $form->addElement(
- 'checkbox',
- 'enabletimercontrol',
- null,
- get_lang('EnableTimerControl'),
- array(
- 'onclick' => 'option_time_expired()',
- 'id' => 'enabletimercontrol',
- 'onload' => 'check_load_time()'
- )
- );
- $expired_date = (int)$this->selectExpiredTime();
- if (($expired_date != '0')) {
- $form->addElement('html', '<div id="timercontrol" style="display:block;">');
- } else {
- $form->addElement('html', '<div id="timercontrol" style="display:none;">');
- }
- $form->addElement(
- 'text',
- 'enabletimercontroltotalminutes',
- get_lang('ExerciseTotalDurationInMinutes'),
- array('style' => 'width : 35px', 'id' => 'enabletimercontroltotalminutes')
- );
- $form->addElement('html', '</div>');
- // Pass percentage.
- $form->addElement(
- 'text',
- 'pass_percentage',
- array(get_lang('PassPercentage'), null, '%'),
- array('id' => 'pass_percentage')
- );
- $form->addRule('pass_percentage', get_lang('Numeric'), 'numeric');
- // On success
- $form->add_html_editor('on_success_message', get_lang('MessageOnSuccess'), false, false, $editor_config);
- // On failed
- $form->add_html_editor('on_failed_message', get_lang('MessageOnFailed'), false, false, $editor_config);
- $url = api_get_path(WEB_AJAX_PATH).'exercise.ajax.php?1=1';
- $js = '<script>
- function check() {
- var counter = 0;
- $("#global_category_id option:selected").each(function() {
- var id = $(this).val();
- var name = $(this).text();
- if (id != "" ) {
- $.ajax({
- async: false,
- url: "'.$url.'&a=exercise_category_exists&type=global",
- data: "id="+id,
- success: function(return_value) {
- if (return_value == 0 ) {
- alert("'.addslashes(get_lang('CategoryDoesNotExists')).'");
- // Deleting select option tag
- $("#global_category_id").find("option").remove();
- $(".holder li").each(function () {
- if ($(this).attr("rel") == id) {
- $(this).remove();
- }
- });
- }
- },
- });
- }
- counter++;
- });
- }
- $(function() {
- $("#global_category_id").fcbkcomplete({
- json_url: "'.$url.'&a=search_category_parent&type=global&",
- maxitems: 1 ,
- addontab: false,
- input_min_size: 1,
- cache: false,
- complete_text:"'.get_lang('StartToType').'",
- firstselected: false,
- onselect: check,
- filter_selected: true,
- newel: true
- });
- });
- </script>';
- $form->addElement('html', $js);
- $categoryJS = null;
- $globalCategoryId = $this->getGlobalCategoryId();
- if (!empty($globalCategoryId)) {
- $cat = new Testcategory($globalCategoryId);
- $trigger = '$("#global_category_id").trigger("addItem",[{ "title": "'.$cat->title.'", "value": "'.$globalCategoryId.'"}]);';
- $categoryJS .= '<script>$(function() { '.$trigger.' });</script>';
- }
- $form->addElement('html', $categoryJS);
- // Global category id.
- $form->addElement(
- 'select',
- 'global_category_id',
- array(get_lang('GlobalCategory')),
- array(),
- array('id' => 'global_category_id')
- );
- // Text when ending an exam.
- $form->add_html_editor('text_when_finished', get_lang('TextWhenFinished'), false, false, $editor_config);
- // Exam end button.
- $group = array(
- $form->createElement('radio', 'end_button', null, get_lang('ExerciseEndButtonCourseHome'), '0'),
- $form->createElement('radio', 'end_button', null, get_lang('ExerciseEndButtonExerciseHome'), '1'),
- $form->createElement('radio', 'end_button', null, get_lang('ExerciseEndButtonDisconnect'), '2'),
- $form->createElement('radio', 'end_button', null, get_lang('ExerciseEndButtonNoButton'), '3')
- );
- $form->addGroup($group, null, get_lang('ExerciseEndButton'));
- $form->addElement('html', '<div class="clear"> </div>');
- $defaults = array();
- if (api_get_setting('search_enabled') === 'true') {
- require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
- $form->addElement('checkbox', 'index_document', '', get_lang('SearchFeatureDoIndexDocument'));
- $form->addElement('select_language', 'language', get_lang('SearchFeatureDocumentLanguage'));
- $specific_fields = get_specific_field_list();
- foreach ($specific_fields as $specific_field) {
- $form->addElement('text', $specific_field['code'], $specific_field['name']);
- $filter = array(
- 'c_id' => "'".api_get_course_int_id()."'",
- 'field_id' => $specific_field['id'],
- 'ref_id' => $this->id,
- 'tool_id' => '\''.TOOL_QUIZ.'\''
- );
- $values = get_specific_field_values_list($filter, array('value'));
- if (!empty($values)) {
- $arr_str_values = array();
- foreach ($values as $value) {
- $arr_str_values[] = $value['value'];
- }
- $defaults[$specific_field['code']] = implode(', ', $arr_str_values);
- }
- }
- }
- if ($this->emailAlert) {
- // Email notification template
- $form->add_html_editor(
- 'email_notification_template',
- array(get_lang('EmailNotificationTemplateToTeacher'), get_lang('EmailNotificationTemplateToTeacherDescription')),
- null,
- false,
- $editor_config
- );
- }
- $group = array(
- $form->createElement(
- 'radio', 'notify_user_by_email', null, get_lang('Yes'), '1', array('id' => 'notify_user_by_email_on', 'class' => 'advanced_options_open', 'rel' => 'notify_user_by_email_options')
- ),
- $form->createElement(
- 'radio', 'notify_user_by_email', null, get_lang('No'), '0', array('id' => 'notify_user_by_email_off', 'class' => 'advanced_options_close', 'rel' => 'notify_user_by_email_options')
- )
- );
- $form->addGroup($group, null, get_lang('NotifyUserByEmail'));
- $hide = 'style="display:none"';
- if ($this->notifyUserByEmail == 1) {
- $hide = null;
- }
- $form->addElement('html', '<div id="notify_user_by_email_options" '.$hide.'>');
- // Email notification template to user
- $form->add_html_editor(
- 'email_notification_template_to_user',
- array(get_lang('EmailNotificationTemplateToUser'), get_lang('EmailNotificationTemplateToUserDescription')),
- null,
- false,
- $editor_config
- );
- $form->addElement('html', '</div>');
- // End advanced setting.
- $form->addElement('html', '</div>');
- $form->addElement('html', '</div>');
- }
- // Category selection.
- $cat = new Testcategory();
- $cat_form = $cat->returnCategoryForm($this);
- $form->addElement('html', $cat_form);
- // submit
- $text = isset($_GET['exerciseId']) ? get_lang('ModifyExercise') : get_lang('ProcedToQuestions');
- $form->addElement('style_submit_button', 'submitExercise', $text, 'class="save"');
- $form->addRule('exerciseTitle', get_lang('GiveExerciseName'), 'required');
- if ($type == 'full') {
- // rules
- $form->addRule('exerciseAttempts', get_lang('Numeric'), 'numeric');
- $form->addRule('start_time', get_lang('InvalidDate'), 'datetime');
- $form->addRule('end_time', get_lang('InvalidDate'), 'datetime');
- }
- // defaults
- if ($type == 'full') {
- if ($this->id > 0) {
- if ($this->random > $this->selectNbrQuestions()) {
- $defaults['randomQuestions'] = $this->selectNbrQuestions();
- } else {
- $defaults['randomQuestions'] = $this->random;
- }
- $defaults['randomAnswers'] = $this->selectRandomAnswers();
- $defaults['exerciseType'] = $this->selectType();
- $defaults['exerciseTitle'] = $this->selectTitle();
- $defaults['exerciseDescription'] = $this->selectDescription();
- $defaults['exerciseAttempts'] = $this->selectAttempts();
- $defaults['exerciseFeedbackType'] = $this->selectFeedbackType();
- $defaults['results_disabled'] = $this->selectResultsDisabled();
- $defaults['propagate_neg'] = $this->selectPropagateNeg();
- $defaults['review_answers'] = $this->review_answers;
- $defaults['randomByCat'] = $this->selectRandomByCat();
- $defaults['text_when_finished'] = $this->selectTextWhenFinished();
- $defaults['display_category_name'] = $this->selectDisplayCategoryName();
- $defaults['pass_percentage'] = $this->selectPassPercentage();
- $defaults['end_button'] = $this->selectEndButton();
- $defaults['on_success_message'] = $this->getOnSuccessMessage();
- $defaults['on_failed_message'] = $this->getOnFailedMessage();
- $defaults['email_notification_template'] = $this->selectEmailNotificationTemplate();
- $defaults['email_notification_template_to_user'] = $this->selectEmailNotificationTemplateToUser();
- $defaults['notify_user_by_email'] = $this->getNotifyUserByEmail();
- $defaults['model_type'] = $this->getModelType();
- $defaults['question_selection_type'] = $this->getQuestionSelectionType();
- $defaults['score_type_model'] = $this->getScoreTypeModel();
- //$defaults['global_category_id'] = $this->getScoreTypeModel();
- $defaults['hide_question_title'] = $this->getHideQuestionTitle();
- if (($this->start_time != '0000-00-00 00:00:00')) {
- $defaults['activate_start_date_check'] = 1;
- }
- if ($this->end_time != '0000-00-00 00:00:00') {
- $defaults['activate_end_date_check'] = 1;
- }
- $defaults['start_time'] = ($this->start_time != '0000-00-00 00:00:00') ? api_get_local_time(
- $this->start_time
- ) : date('Y-m-d 12:00:00');
- $defaults['end_time'] = ($this->end_time != '0000-00-00 00:00:00') ? api_get_local_time(
- $this->end_time
- ) : date('Y-m-d 12:00:00', time() + 84600);
- //Get expired time
- if ($this->expired_time != '0') {
- $defaults['enabletimercontrol'] = 1;
- $defaults['enabletimercontroltotalminutes'] = $this->expired_time;
- } else {
- $defaults['enabletimercontroltotalminutes'] = 0;
- }
- } else {
- $defaults['model_type'] = 1;
- $defaults['exerciseType'] = 2;
- $defaults['exerciseAttempts'] = 0;
- $defaults['randomQuestions'] = 0;
- $defaults['randomAnswers'] = 0;
- $defaults['exerciseDescription'] = '';
- $defaults['exerciseFeedbackType'] = 0;
- $defaults['results_disabled'] = 0;
- $defaults['randomByCat'] = 0; //
- $defaults['text_when_finished'] = ""; //
- $defaults['start_time'] = date('Y-m-d 12:00:00');
- $defaults['display_category_name'] = 1; //
- $defaults['end_time'] = date('Y-m-d 12:00:00', time() + 84600);
- $defaults['pass_percentage'] = '';
- $defaults['end_button'] = $this->selectEndButton();
- $defaults['question_selection_type'] = 1;
- $defaults['hide_question_title'] = 0;
- $defaults['on_success_message'] = null;
- $defaults['on_failed_message'] = null;
- }
- } 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 = '')
- {
- $values = $form->exportValues();
- $this->updateTitle($form->getSubmitValue('exerciseTitle'));
- $this->updateDescription($form->getSubmitValue('exerciseDescription'));
- $this->updateAttempts($form->getSubmitValue('exerciseAttempts'));
- $this->updateFeedbackType($form->getSubmitValue('exerciseFeedbackType'));
- $this->updateType($form->getSubmitValue('exerciseType'));
- $this->setRandom($form->getSubmitValue('randomQuestions'));
- $this->updateRandomAnswers($form->getSubmitValue('randomAnswers'));
- $this->updateResultsDisabled($form->getSubmitValue('results_disabled'));
- $this->updateExpiredTime($form->getSubmitValue('enabletimercontroltotalminutes'));
- $this->updatePropagateNegative($form->getSubmitValue('propagate_neg'));
- $this->updateRandomByCat($form->getSubmitValue('randomByCat'));
- $this->updateTextWhenFinished($form->getSubmitValue('text_when_finished'));
- $this->updateDisplayCategoryName($form->getSubmitValue('display_category_name'));
- $this->updateReviewAnswers($form->getSubmitValue('review_answers'));
- $this->updatePassPercentage($form->getSubmitValue('pass_percentage'));
- $this->updateCategories($form->getSubmitValue('category'));
- $this->updateEndButton($form->getSubmitValue('end_button'));
- $this->setOnSuccessMessage($form->getSubmitValue('on_success_message'));
- $this->setOnFailedMessage($form->getSubmitValue('on_failed_message'));
- $this->updateEmailNotificationTemplate($form->getSubmitValue('email_notification_template'));
- $this->updateEmailNotificationTemplateToUser($form->getSubmitValue('email_notification_template_to_user'));
- $this->setNotifyUserByEmail($form->getSubmitValue('notify_user_by_email'));
- $this->setModelType($form->getSubmitValue('model_type'));
- $this->setQuestionSelectionType($form->getSubmitValue('question_selection_type'));
- $this->setHideQuestionTitle($form->getSubmitValue('hide_question_title'));
- $this->setScoreTypeModel($form->getSubmitValue('score_type_model'));
- $this->setGlobalCategoryId($form->getSubmitValue('global_category_id'));
- if ($form->getSubmitValue('activate_start_date_check') == 1) {
- $start_time = $form->getSubmitValue('start_time');
- $start_time['F'] = sprintf('%02d', $start_time['F']);
- $start_time['i'] = sprintf('%02d', $start_time['i']);
- $start_time['d'] = sprintf('%02d', $start_time['d']);
- $this->start_time = $start_time['Y'].'-'.$start_time['F'].'-'.$start_time['d'].' '.$start_time['H'].':'.$start_time['i'].':00';
- } else {
- $this->start_time = '0000-00-00 00:00:00';
- }
- if ($form->getSubmitValue('activate_end_date_check') == 1) {
- $end_time = $form->getSubmitValue('end_time');
- $end_time['F'] = sprintf('%02d', $end_time['F']);
- $end_time['i'] = sprintf('%02d', $end_time['i']);
- $end_time['d'] = sprintf('%02d', $end_time['d']);
- $this->end_time = $end_time['Y'].'-'.$end_time['F'].'-'.$end_time['d'].' '.$end_time['H'].':'.$end_time['i'].':00';
- } else {
- $this->end_time = '0000-00-00 00:00:00';
- }
- if ($form->getSubmitValue('enabletimercontrol') == 1) {
- $expired_total_time = $form->getSubmitValue('enabletimercontroltotalminutes');
- if ($this->expired_time == 0) {
- $this->expired_time = $expired_total_time;
- }
- } else {
- $this->expired_time = 0;
- }
- if ($form->getSubmitValue('randomAnswers') == 1) {
- $this->random_answers = 1;
- } else {
- $this->random_answers = 0;
- }
- $this->save($type);
- }
- public function search_engine_save()
- {
- if ($_POST['index_document'] != 1) {
- return;
- }
- $course_id = api_get_course_id();
- require_once api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.class.php';
- require_once api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php';
- require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
- $specific_fields = get_specific_field_list();
- $ic_slide = new IndexableChunk();
- $all_specific_terms = '';
- foreach ($specific_fields as $specific_field) {
- if (isset($_REQUEST[$specific_field['code']])) {
- $sterms = trim($_REQUEST[$specific_field['code']]);
- if (!empty($sterms)) {
- $all_specific_terms .= ' '.$sterms;
- $sterms = explode(',', $sterms);
- foreach ($sterms as $sterm) {
- $ic_slide->addTerm(trim($sterm), $specific_field['code']);
- add_specific_field_value($specific_field['id'], $course_id, TOOL_QUIZ, $this->id, $sterm);
- }
- }
- }
- }
- // build the chunk to index
- $ic_slide->addValue("title", $this->exercise);
- $ic_slide->addCourseId($course_id);
- $ic_slide->addToolId(TOOL_QUIZ);
- $xapian_data = array(
- SE_COURSE_ID => $course_id,
- SE_TOOL_ID => TOOL_QUIZ,
- SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
- SE_USER => (int)api_get_user_id(),
- );
- $ic_slide->xapian_data = serialize($xapian_data);
- $exercise_description = $all_specific_terms.' '.$this->description;
- $ic_slide->addValue("content", $exercise_description);
- $di = new ChamiloIndexer();
- isset($_POST['language']) ? $lang = Database::escape_string($_POST['language']) : $lang = 'english';
- $di->connectDb(null, null, $lang);
- $di->addChunk($ic_slide);
- //index and return search engine document id
- $did = $di->index();
- if ($did) {
- // save it to db
- $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
- $sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
- VALUES (NULL , \'%s\', \'%s\', %s, %s)';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id, $did);
- Database::query($sql);
- }
- }
- function search_engine_edit()
- {
- // update search enchine and its values table if enabled
- if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian')) {
- $course_id = api_get_course_id();
- // actually, it consists on delete terms from db, insert new ones, create a new search engine document, and remove the old one
- // get search_did
- $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
- $sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- require_once(api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.class.php');
- require_once(api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php');
- require_once(api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php');
- $se_ref = Database::fetch_array($res);
- $specific_fields = get_specific_field_list();
- $ic_slide = new IndexableChunk();
- $all_specific_terms = '';
- foreach ($specific_fields as $specific_field) {
- delete_all_specific_field_value($course_id, $specific_field['id'], TOOL_QUIZ, $this->id);
- if (isset($_REQUEST[$specific_field['code']])) {
- $sterms = trim($_REQUEST[$specific_field['code']]);
- $all_specific_terms .= ' '.$sterms;
- $sterms = explode(',', $sterms);
- foreach ($sterms as $sterm) {
- $ic_slide->addTerm(trim($sterm), $specific_field['code']);
- add_specific_field_value($specific_field['id'], $course_id, TOOL_QUIZ, $this->id, $sterm);
- }
- }
- }
- // build the chunk to index
- $ic_slide->addValue("title", $this->exercise);
- $ic_slide->addCourseId($course_id);
- $ic_slide->addToolId(TOOL_QUIZ);
- $xapian_data = array(
- SE_COURSE_ID => $course_id,
- SE_TOOL_ID => TOOL_QUIZ,
- SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
- SE_USER => (int)api_get_user_id(),
- );
- $ic_slide->xapian_data = serialize($xapian_data);
- $exercise_description = $all_specific_terms.' '.$this->description;
- $ic_slide->addValue("content", $exercise_description);
- $di = new ChamiloIndexer();
- isset($_POST['language']) ? $lang = Database::escape_string($_POST['language']) : $lang = 'english';
- $di->connectDb(null, null, $lang);
- $di->remove_document((int)$se_ref['search_did']);
- $di->addChunk($ic_slide);
- //index and return search engine document id
- $did = $di->index();
- if ($did) {
- // save it to db
- $sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=\'%s\'';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
- Database::query($sql);
- $sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
- VALUES (NULL , \'%s\', \'%s\', %s, %s)';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id, $did);
- Database::query($sql);
- }
- } else {
- $this->search_engine_save();
- }
- }
- }
- public function search_engine_delete()
- {
- // remove from search engine if enabled
- if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian')) {
- $course_id = api_get_course_id();
- $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
- $sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level IS NULL LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- $row = Database::fetch_array($res);
- require_once(api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.class.php');
- $di = new ChamiloIndexer();
- $di->remove_document((int)$row['search_did']);
- unset($di);
- $tbl_quiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION);
- foreach ($this->questionList as $question_i) {
- $sql = 'SELECT type FROM %s WHERE id=%s';
- $sql = sprintf($sql, $tbl_quiz_question, $question_i);
- $qres = Database::query($sql);
- if (Database::num_rows($qres) > 0) {
- $qrow = Database::fetch_array($qres);
- $objQuestion = Question::getInstance($qrow['type']);
- $objQuestion = Question::read((int)$question_i);
- $objQuestion->search_engine_edit($this->id, false, true);
- unset($objQuestion);
- }
- }
- }
- $sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level IS NULL LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
- Database::query($sql);
- // remove terms from db
- require_once(api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php');
- delete_all_values_for_item($course_id, TOOL_QUIZ, $this->id);
- }
- }
- public function selectExpiredTime()
- {
- return $this->expired_time;
- }
- /**
- * Cleans the student's results only for the Exercise tool (Not from the LP)
- * The LP results are NOT deleted
- * Works with exercises in sessions
- * @return int quantity of user's exercises deleted
- */
- public function clean_results()
- {
- $table_track_e_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $table_track_e_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $sql = "SELECT exe_id FROM $table_track_e_exercises
- WHERE c_id = '".api_get_course_int_id()."' AND
- exe_exo_id = ".$this->id." AND
- orig_lp_id = 0 AND
- orig_lp_item_id = 0 AND
- session_id = ".api_get_session_id()."";
- $result = Database::query($sql);
- $exe_list = Database::store_result($result);
- //deleting TRACK_E_ATTEMPT table
- $i = 0;
- if (is_array($exe_list) && count($exe_list) > 0) {
- foreach ($exe_list as $item) {
- $sql = "DELETE FROM $table_track_e_attempt WHERE exe_id = '".$item['exe_id']."'";
- Database::query($sql);
- $i++;
- }
- }
- //delete TRACK_E_EXERCICES table
- $sql = "DELETE FROM $table_track_e_exercises
- WHERE c_id = '".api_get_course_int_id()."' AND
- exe_exo_id = ".$this->id." AND
- orig_lp_id = 0 AND
- orig_lp_item_id = 0 AND
- session_id = ".api_get_session_id();
- Database::query($sql);
- return $i;
- }
- /**
- * Gets the latest exercise order
- * @return int
- */
- public function getLastExerciseOrder()
- {
- $table = Database::get_course_table(TABLE_QUIZ_ORDER);
- $course_id = intval($this->course_id);
- $sql = "SELECT exercise_order FROM $table WHERE c_id = $course_id ORDER BY exercise_order DESC LIMIT 1";
- $result = Database::query($sql);
- if (Database::num_rows($result)) {
- $row = Database::fetch_array($result);
- return $row['exercise_order'];
- }
- return 0;
- }
- /**
- * Get exercise order
- * @return mixed
- */
- public function getExerciseOrder()
- {
- $table = Database::get_course_table(TABLE_QUIZ_ORDER);
- $courseId = $this->course_id;
- $sessionId = api_get_session_id();
- $sql = "SELECT exercise_order FROM $table
- WHERE exercise_id = {$this->id} AND c_id = $courseId AND session_id = $sessionId ";
- $result = Database::query($sql);
- if (Database::num_rows($result)) {
- $row = Database::fetch_array($result);
- return $row['exercise_order'];
- }
- return false;
- }
- /**
- * Add the exercise to the exercise order table
- */
- public function addExerciseToOrderTable()
- {
- $table = Database::get_course_table(TABLE_QUIZ_ORDER);
- $last_order = $this->getLastExerciseOrder();
- $course_id = $this->course_id;
- if ($last_order == 0) {
- Database::insert(
- $table,
- array(
- 'exercise_id' => $this->id,
- 'exercise_order' => 1,
- 'c_id' => $course_id,
- 'session_id' => api_get_session_id(),
- )
- );
- } else {
- $current_exercise_order = $this->getExerciseOrder();
- if ($current_exercise_order == false) {
- Database::insert(
- $table,
- array(
- 'exercise_id' => $this->id,
- 'exercise_order' => $last_order + 1,
- 'c_id' => $course_id,
- 'session_id' => api_get_session_id(),
- )
- );
- }
- }
- }
- public function update_exercise_list_order($new_exercise_list, $course_id, $session_id)
- {
- $table = Database::get_course_table(TABLE_QUIZ_ORDER);
- $counter = 1;
- // Drop all
- $session_id = intval($session_id);
- $course_id = intval($course_id);
- Database::query("DELETE FROM $table WHERE session_id = $session_id AND c_id = $course_id");
- //Insert all
- foreach ($new_exercise_list as $new_order_id) {
- Database::insert(
- $table,
- array(
- 'exercise_order' => $counter,
- 'session_id' => $session_id,
- 'exercise_id' => intval($new_order_id),
- 'c_id' => $course_id
- )
- );
- $counter++;
- }
- }
- function delete_exercise_order()
- {
- $table = Database::get_course_table(TABLE_QUIZ_ORDER);
- $session_id = api_get_session_id();
- $course_id = $this->course_id;
- Database::query(
- "DELETE FROM $table WHERE exercise_id = {$this->id} AND session_id = $session_id AND c_id = $course_id"
- );
- }
- function save_exercise_list_order($course_id, $session_id)
- {
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
- $ordered_list = $this->get_exercise_list_ordered();
- $ordered_count = count($ordered_list);
- $session_id = intval($session_id);
- $course_id = intval($course_id);
- //Check if order exists and matchs the current status
- $sql = "SELECT iid FROM $TBL_EXERCICES WHERE c_id = $course_id AND active = '1' AND session_id = $session_id ORDER BY title";
- $result = Database::query($sql);
- $unordered_count = Database::num_rows($result);
- if ($unordered_count != $ordered_count) {
- $exercise_list = array();
- while ($row = Database::fetch_array($result)) {
- $exercise_list[] = $row['iid'];
- }
- $this->update_exercise_list_order($exercise_list, $course_id, $session_id);
- }
- }
- /**
- * Copies an exercise (duplicate all questions and answers)
- */
- public function copy_exercise()
- {
- $original_exercise = $this;
- $exercise_obj = new Exercise();
- $exercise_obj->setCategoriesGrouping(false);
- $exercise_obj->read($this->id);
- // force the creation of a new exercise
- $exercise_obj->updateTitle($exercise_obj->selectTitle().' - '.get_lang('Copy'));
- //Hides the new exercise
- $exercise_obj->updateStatus(false);
- $exercise_obj->updateId(0);
- $exercise_obj->save();
- $exercise_obj->save_exercise_list_order($this->course['real_id'], api_get_session_id());
- $new_exercise_id = $exercise_obj->selectId();
- if ($new_exercise_id) {
- $original_exercise->copy_exercise_categories($exercise_obj);
- $question_list = $exercise_obj->getQuestionListWithMediasUncompressed();
- if (!empty($question_list)) {
- //Question creation
- foreach ($question_list as $old_question_id) {
- $old_question_obj = Question::read($old_question_id);
- $new_id = $old_question_obj->duplicate();
- if ($new_id) {
- $new_question_obj = Question::read($new_id);
- if (isset($new_question_obj) && $new_question_obj) {
- $new_question_obj->addToList($new_exercise_id);
- // This should be moved to the duplicate function
- $new_answer_obj = new Answer($old_question_id);
- //$new_answer_obj->read();
- $new_answer_obj->duplicate($new_id);
- }
- }
- }
- }
- }
- }
- /**
- *
- */
- public function set_autolaunch()
- {
- $table = Database::get_course_table(TABLE_QUIZ_TEST);
- $session_id = api_get_session_id();
- $course_id = $this->course_id;
- $sql = "UPDATE $table SET autolaunch = 0 WHERE c_id = $course_id AND session_id = $session_id ";
- Database::query($sql);
- $sql = "UPDATE $table SET autolaunch = 1 WHERE iid = {$this->id} ";
- Database::query($sql);
- }
- /**
- * Copy exercise categories to a new exercise
- * @params obj exercise object
- */
- function copy_exercise_categories($new_exercise_obj)
- {
- $categories = $this->get_categories_in_exercise();
- if ($categories) {
- $cat_list = array();
- foreach($categories as $cat) {
- $cat_list[$cat['category_id']] = $cat['count_questions'];
- }
- $new_exercise_obj->save_categories_in_exercise($cat_list);
- }
- }
- /**
- * Changes the exercise id
- *
- * @param - in $id - exercise id
- */
- private function updateId($id)
- {
- $this->id = $id;
- }
- /**
- * Changes the exercise status
- *
- * @param string $status - exercise status
- */
- function updateStatus($status)
- {
- $this->active = $status;
- }
- /**
- * @param int $lp_id
- * @param int $lp_item_id
- * @param int $lp_item_view_id
- * @param string $status
- * @return array
- */
- public function getStatTrackExerciseInfo(
- $lp_id = 0,
- $lp_item_id = 0,
- $lp_item_view_id = 0,
- $status = 'incomplete'
- ) {
- $track_exercises = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- if (empty($lp_id)) {
- $lp_id = 0;
- }
- if (empty($lp_item_id)) {
- $lp_item_id = 0;
- }
- if (empty($lp_item_view_id)) {
- $lp_item_view_id = 0;
- }
- $condition = ' WHERE exe_exo_id = '."'".$this->id."'".' AND
- exe_user_id = '."'".api_get_user_id()."'".' AND
- c_id = '."'".api_get_course_int_id()."'".' AND
- status = '."'".Database::escape_string($status)."'".' AND
- orig_lp_id = '."'".$lp_id."'".' AND
- orig_lp_item_id = '."'".$lp_item_id."'".' AND
- orig_lp_item_view_id = '."'".$lp_item_view_id."'".' AND
- session_id = '."'".api_get_session_id()."' LIMIT 1"; //Adding limit 1 just in case
- $sql_track = 'SELECT * FROM '.$track_exercises.$condition;
- $result = Database::query($sql_track);
- $new_array = array();
- if (Database::num_rows($result) > 0) {
- $new_array = Database::fetch_array($result, 'ASSOC');
- }
- return $new_array;
- }
- /**
- * Saves a test attempt
- *
- * @param int clock_expired_time
- * @param int lp id
- * @param int lp item id
- * @param int lp item_view id
- * @param array question list
- */
- public function save_stat_track_exercise_info(
- $clock_expired_time = 0,
- $safe_lp_id = 0,
- $safe_lp_item_id = 0,
- $safe_lp_item_view_id = 0,
- $questionList = array(),
- $weight = 0
- ) {
- $track_exercises = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $safe_lp_id = intval($safe_lp_id);
- $safe_lp_item_id = intval($safe_lp_item_id);
- $safe_lp_item_view_id = intval($safe_lp_item_view_id);
- if (empty($safe_lp_id)) {
- $safe_lp_id = 0;
- }
- if (empty($safe_lp_item_id)) {
- $safe_lp_item_id = 0;
- }
- if (empty($clock_expired_time)) {
- $clock_expired_time = 0;
- }
- if ($this->expired_time != 0) {
- $sql_fields = "expired_time_control, ";
- $sql_fields_values = "'"."$clock_expired_time"."',";
- } else {
- $sql_fields = "";
- $sql_fields_values = "";
- }
- $questionList = array_map('intval', $questionList);
- $weight = Database::escape_string($weight);
- $sql = "INSERT INTO $track_exercises ($sql_fields exe_exo_id, exe_user_id, c_id, status, session_id, data_tracking, start_date, orig_lp_id, orig_lp_item_id, exe_weighting)
- VALUES($sql_fields_values '".$this->id."','".api_get_user_id()."','".api_get_course_int_id()."', 'incomplete','".api_get_session_id()."','".implode(',', $questionList)."', '".api_get_utc_datetime(
- )."', '$safe_lp_id', '$safe_lp_item_id', '$weight')";
- Database::query($sql);
- $id = Database::insert_id();
- return $id;
- }
- /**
- * @param int $question_id
- * @param int $questionNum
- * @param array $questions_in_media
- * @param array $remindList
- * @return string
- */
- public function show_button($question_id, $questionNum, $questions_in_media = array(), $remindList = array())
- {
- global $origin, $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id;
- $nbrQuestions = $this->getCountCompressedQuestionList();
- $all_button = $html = $label = '';
- $hotspot_get = isset($_POST['hotspot']) ? Security::remove_XSS($_POST['hotspot']) : null;
- if ($this->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT && $this->type == ONE_PER_PAGE) {
- $html .= '<a href="exercise_submit_modal.php?learnpath_id='.$safe_lp_id.'&learnpath_item_id='.$safe_lp_item_id.'&learnpath_item_view_id='.$safe_lp_item_view_id.'&origin='.$origin.'&hotspot='.$hotspot_get.'&nbrQuestions='.$nbrQuestions.'&num='.$questionNum.'&exerciseType='.$this->type.'&exerciseId='.$this->id.'&placeValuesBeforeTB_=savedValues&TB_iframe=true&height=480&width=640&modal=true" title="" class="thickbox btn">';
- if ($questionNum == count($this->questionList)) {
- $html .= get_lang('EndTest').'</a>';
- } else {
- $html .= get_lang('ContinueTest').'</a>';
- }
- $html .= '<br />';
- } else {
- // User
- $showEndWarning = 0;
- if (api_is_allowed_to_session_edit()) {
- if ($this->type == ALL_ON_ONE_PAGE || $nbrQuestions == $questionNum) {
- if ($this->review_answers) {
- $label = get_lang('EndTest');
- $class = 'btn btn-warning';
- } else {
- $label = get_lang('EndTest');
- $class = 'btn btn-warning';
- }
- $showEndWarning = 1;
- } else {
- $label = get_lang('NextQuestion');
- $class = 'btn btn-primary';
- }
- if ($this->type == ONE_PER_PAGE) {
- if ($questionNum != 1) {
- $prev_question = $questionNum - 2;
- $all_button .= '<a href="javascript://" class="btn" onclick="previous_question_and_save('.$prev_question.', '.$question_id.' ); ">'.get_lang('PreviousQuestion').'</a>';
- }
- //Next question
- if (isset($questions_in_media) && !empty($questions_in_media) && is_array($questions_in_media)) {
- $questions_in_media = "['".implode("','", $questions_in_media)."']";
- $all_button .= ' <a href="javascript://" class="'.$class.'" onclick="save_question_list('.$questions_in_media.', '.$showEndWarning.'); ">'.$label.'</a>';
- } else {
- $all_button .= ' <a href="javascript://" class="'.$class.'" onclick="save_now('.$question_id.', null, true, '.$showEndWarning.'); ">'.$label.'</a>';
- }
- $all_button .= '<span id="save_for_now_'.$question_id.'" class="exercise_save_mini_message"></span> ';
- $html .= $all_button;
- } else {
- if ($this->review_answers) {
- $all_label = get_lang('ReviewQuestions');
- $class = 'btn btn-success';
- } else {
- $all_label = get_lang('EndTest');
- $class = 'btn btn-warning';
- }
- $all_button = ' <a href="javascript://" class="'.$class.'" onclick="validate_all(); ">'.$all_label.'</a>';
- $all_button .= ' <span id="save_all_reponse"></span>';
- $html .= $all_button;
- }
- }
- }
- return $html;
- }
- /**
- * So the time control will work
- */
- public function show_time_control_js($time_left)
- {
- $time_left = intval($time_left);
- return "<script>
- function get_expired_date_string(expired_time) {
- var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
- var day, month, year, hours, minutes, seconds, date_string;
- var obj_date = new Date(expired_time);
- day = obj_date.getDate();
- if (day < 10) day = '0' + day;
- month = obj_date.getMonth();
- year = obj_date.getFullYear();
- hours = obj_date.getHours();
- if (hours < 10) hours = '0' + hours;
- minutes = obj_date.getMinutes();
- if (minutes < 10) minutes = '0' + minutes;
- seconds = obj_date.getSeconds();
- if (seconds < 10) seconds = '0' + seconds;
- date_string = months[month] +' ' + day + ', ' + year + ' ' + hours + ':' + minutes + ':' + seconds;
- return date_string;
- }
- function open_clock_warning() {
- $('#clock_warning').dialog({
- modal:true,
- height:250,
- closeOnEscape: false,
- resizable: false,
- buttons: {
- '".addslashes(get_lang("EndTest"))."': function() {
- $('#clock_warning').dialog('close');
- },
- },
- close: function() {
- send_form();
- }
- });
- $('#clock_warning').dialog('open');
- $('#counter_to_redirect').epiclock({
- mode: $.epiclock.modes.countdown,
- offset: { seconds: 5 },
- format: 's'
- }).bind('timer', function () {
- send_form();
- });
- }
- function send_form() {
- if ($('#exercise_form').length) {
- $('#exercise_form').submit();
- } else {
- // In reminder.
- final_submit();
- }
- }
- function onExpiredTimeExercise() {
- $('#wrapper-clock').hide();
- $('#exercise_form').hide();
- $('#expired-message-id').show();
- // Fixes bug #5263.
- $('#num_current_id').attr('value', '".$this->selectNbrQuestions()."');
- open_clock_warning();
- }
- $(document).ready(function() {
- var current_time = new Date().getTime();
- // Time in seconds. When using minutes there are some seconds lost.
- var time_left = parseInt(".$time_left.");
- var expired_time = current_time + (time_left*1000);
- var expired_date = get_expired_date_string(expired_time);
- $('#exercise_clock_warning').epiclock({
- mode: $.epiclock.modes.countdown,
- offset: {seconds: time_left},
- format: 'x:i:s',
- renderer: 'minute'
- }).bind('timer', function () {
- onExpiredTimeExercise();
- });
- $('#submit_save').click(function () {});
- });
- </script>";
- }
- /**
- * Lp javascript for hotspots
- */
- public function show_lp_javascript()
- {
- return "<script type=\"text/javascript\" src=\"../plugin/hotspot/JavaScriptFlashGateway.js\"></script>
- <script src=\"../plugin/hotspot/hotspot.js\" type=\"text/javascript\"></script>
- <script language=\"JavaScript\" type=\"text/javascript\">
- <!--
- // -----------------------------------------------------------------------------
- // Globals
- // Major version of Flash required
- var requiredMajorVersion = 7;
- // Minor version of Flash required
- var requiredMinorVersion = 0;
- // Minor version of Flash required
- var requiredRevision = 0;
- // the version of javascript supported
- var jsVersion = 1.0;
- // -----------------------------------------------------------------------------
- // -->
- </script>
- <script language=\"VBScript\" type=\"text/vbscript\">
- <!-- // Visual basic helper required to detect Flash Player ActiveX control version information
- Function VBGetSwfVer(i)
- on error resume next
- Dim swControl, swVersion
- swVersion = 0
- set swControl = CreateObject(\"ShockwaveFlash.ShockwaveFlash.\" + CStr(i))
- if (IsObject(swControl)) then
- swVersion = swControl.GetVariable(\"\$version\")
- end if
- VBGetSwfVer = swVersion
- End Function
- // -->
- </script>
- <script language=\"JavaScript1.1\" type=\"text/javascript\">
- <!-- // Detect Client Browser type
- var isIE = (navigator.appVersion.indexOf(\"MSIE\") != -1) ? true : false;
- var isWin = (navigator.appVersion.toLowerCase().indexOf(\"win\") != -1) ? true : false;
- var isOpera = (navigator.userAgent.indexOf(\"Opera\") != -1) ? true : false;
- jsVersion = 1.1;
- // JavaScript helper required to detect Flash Player PlugIn version information
- function JSGetSwfVer(i){
- // NS/Opera version >= 3 check for Flash plugin in plugin array
- if (navigator.plugins != null && navigator.plugins.length > 0) {
- if (navigator.plugins[\"Shockwave Flash 2.0\"] || navigator.plugins[\"Shockwave Flash\"]) {
- var swVer2 = navigator.plugins[\"Shockwave Flash 2.0\"] ? \" 2.0\" : \"\";
- var flashDescription = navigator.plugins[\"Shockwave Flash\" + swVer2].description;
- descArray = flashDescription.split(\" \");
- tempArrayMajor = descArray[2].split(\".\");
- versionMajor = tempArrayMajor[0];
- versionMinor = tempArrayMajor[1];
- if ( descArray[3] != \"\" ) {
- tempArrayMinor = descArray[3].split(\"r\");
- } else {
- tempArrayMinor = descArray[4].split(\"r\");
- }
- versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
- flashVer = versionMajor + \".\" + versionMinor + \".\" + versionRevision;
- } else {
- flashVer = -1;
- }
- }
- // MSN/WebTV 2.6 supports Flash 4
- else if (navigator.userAgent.toLowerCase().indexOf(\"webtv/2.6\") != -1) flashVer = 4;
- // WebTV 2.5 supports Flash 3
- else if (navigator.userAgent.toLowerCase().indexOf(\"webtv/2.5\") != -1) flashVer = 3;
- // older WebTV supports Flash 2
- else if (navigator.userAgent.toLowerCase().indexOf(\"webtv\") != -1) flashVer = 2;
- // Can't detect in all other cases
- else {
- flashVer = -1;
- }
- return flashVer;
- }
- // When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
- function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
- {
- reqVer = parseFloat(reqMajorVer + \".\" + reqRevision);
- // loop backwards through the versions until we find the newest version
- for (i=25;i>0;i--) {
- if (isIE && isWin && !isOpera) {
- versionStr = VBGetSwfVer(i);
- } else {
- versionStr = JSGetSwfVer(i);
- }
- if (versionStr == -1 ) {
- return false;
- } else if (versionStr != 0) {
- if(isIE && isWin && !isOpera) {
- tempArray = versionStr.split(\" \");
- tempString = tempArray[1];
- versionArray = tempString .split(\",\");
- } else {
- versionArray = versionStr.split(\".\");
- }
- versionMajor = versionArray[0];
- versionMinor = versionArray[1];
- versionRevision = versionArray[2];
- versionString = versionMajor + \".\" + versionRevision; // 7.0r24 == 7.24
- versionNum = parseFloat(versionString);
- // is the major.revision >= requested major.revision AND the minor version >= requested minor
- if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
- return true;
- } else {
- return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );
- }
- }
- }
- }
- // -->
- </script>";
- }
- /**
- * This function was originally found in the exercise_show.php
- * @param int exe id
- * @param int question id
- * @param int the choice the user selected
- * @param array the hotspot coordinates $hotspot[$question_id] = coordinates
- * @param string function is called from 'exercise_show' or 'exercise_result'
- * @param bool save results in the DB or just show the reponse
- * @param bool gets information from DB or from the current selection
- * @param bool show results or not
- * @todo reduce parameters of this function
- * @return string html code
- */
- public function manageAnswers(
- $exeId,
- $questionId,
- $choice,
- $from = 'exercise_show',
- $exerciseResultCoordinates = array(),
- $saved_results = true,
- $from_database = false,
- $show_result = true,
- $hotspot_delineation_result = array(),
- $updateResults = false
- ) {
- global $debug;
- global $learnpath_id, $learnpath_item_id; //needed in order to use in the exercise_attempt() for the time
- require_once api_get_path(LIBRARY_PATH).'geometry.lib.php';
- $feedback_type = $this->feedback_type;
- $propagate_neg = $this->selectPropagateNeg();
- if ($debug) {
- error_log("<------ manage_answer ------> ");
- error_log('exe_id: '.$exeId);
- error_log('$from: '.$from);
- error_log('$saved_results: '.intval($saved_results));
- error_log('$from_database: '.intval($from_database));
- error_log('$show_result: '.$show_result);
- error_log('$propagate_neg: '.$propagate_neg);
- error_log('$exerciseResultCoordinates: '.print_r($exerciseResultCoordinates, 1));
- error_log('$hotspot_delineation_result: '.print_r($hotspot_delineation_result, 1));
- error_log('$learnpath_id: '.$learnpath_id);
- error_log('$learnpath_item_id: '.$learnpath_item_id);
- error_log('$choice: '.print_r($choice, 1));
- }
- $extra_data = array();
- $final_overlap = 0;
- $final_missing = 0;
- $final_excess = 0;
- $overlap_color = 0;
- $missing_color = 0;
- $excess_color = 0;
- $threadhold1 = 0;
- $threadhold2 = 0;
- $threadhold3 = 0;
- $arrques = null;
- $arrans = null;
- $questionId = intval($questionId);
- $exeId = intval($exeId);
- $TBL_TRACK_ATTEMPT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $table_ans = Database::get_course_table(TABLE_QUIZ_ANSWER);
- // Creates a temporary Question object
- $course_id = api_get_course_int_id();
- $objQuestionTmp = Question::read($questionId, $course_id);
- if ($objQuestionTmp === false) {
- return false;
- }
- $questionName = $objQuestionTmp->selectTitle();
- $questionWeighting = $objQuestionTmp->selectWeighting();
- $answerType = $objQuestionTmp->selectType();
- $quesId = $objQuestionTmp->selectId();
- $extra = $objQuestionTmp->extra;
- $next = 1; //not for now
- //Extra information of the question
- if (!empty($extra)) {
- $extra = explode(':', $extra);
- if ($debug) {
- error_log(print_r($extra, 1));
- }
- //Fixes problems with negatives values using intval
- $true_score = intval($extra[0]);
- $false_score = intval($extra[1]);
- $doubt_score = intval($extra[2]);
- }
- $totalWeighting = 0;
- $totalScore = 0;
- // Destruction of the Question object
- unset($objQuestionTmp);
- // Construction of the Answer object
- $objAnswerTmp = new Answer($questionId, null, $this);
- $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
- if ($debug) {
- error_log('Count of answers: '.$nbrAnswers);
- error_log('$answerType: '.$answerType);
- }
- if ($answerType == FREE_ANSWER || $answerType == ORAL_EXPRESSION) {
- $nbrAnswers = 1;
- }
- $nano = null;
- if ($answerType == ORAL_EXPRESSION) {
- $exe_info = get_exercise_results_by_attempt($exeId);
- $exe_info = $exe_info[$exeId];
- $params = array();
- $params['course_id'] = api_get_course_int_id();
- $params['session_id'] = api_get_session_id();
- $params['user_id'] = isset($exe_info['exe_user_id']) ? $exe_info['exe_user_id'] : api_get_user_id();
- $params['exercise_id'] = isset($exe_info['exe_exo_id']) ? $exe_info['exe_exo_id'] : $this->id;
- $params['question_id'] = $questionId;
- $params['exe_id'] = isset($exe_info['exe_id']) ? $exe_info['exe_id'] : $exeId;
- $nano = new Nanogong($params);
- //probably this attempt came in an exercise all question by page
- if ($feedback_type == 0) {
- $nano->replace_with_real_exe($exeId);
- }
- }
- $user_answer = '';
- // Get answer list for matching
- $sql_answer = 'SELECT iid, answer FROM '.$table_ans.' WHERE question_id = "'.$questionId.'" ';
- $res_answer = Database::query($sql_answer);
- $answer_matching = array();
- $answer_list = array();
- while ($real_answer = Database::fetch_array($res_answer)) {
- $answer_matching[$real_answer['iid']] = $real_answer['answer'];
- $answer_list[] = $real_answer['iid'];
- }
- if ($answerType == FREE_ANSWER || $answerType == ORAL_EXPRESSION) {
- $nbrAnswers = 1;
- $answer_list[] = 1;
- }
- $real_answers = array();
- $quiz_question_options = Question::readQuestionOption($questionId, $course_id);
- $organs_at_risk_hit = 0;
- $questionScore = 0;
- if ($debug) {
- error_log('<<-- Start answer loop -->');
- }
- $answer_correct_array = array();
- //for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
- $counter = 1;
- foreach ($answer_list as $answerId) {
- /** @var \Answer $objAnswerTmp */
- $answer = $objAnswerTmp->selectAnswer($answerId);
- $answerComment = $objAnswerTmp->selectComment($answerId);
- $answerCorrect = $objAnswerTmp->isCorrect($answerId);
- $answerWeighting = (float)$objAnswerTmp->selectWeighting($answerId);
- //$numAnswer = $objAnswerTmp->selectAutoId($answerId);
- $numAnswer = $answerId;
- $answer_correct_array[$answerId] = (bool)$answerCorrect;
- if ($debug) {
- error_log("answer auto id: $numAnswer ");
- error_log("answer correct: $answerCorrect ");
- }
- //Delineation
- $delineation_cord = $objAnswerTmp->selectHotspotCoordinates(1);
- $answer_delineation_destination = $objAnswerTmp->selectDestination(1);
- switch ($answerType) {
- // for unique answer
- case UNIQUE_ANSWER:
- case UNIQUE_ANSWER_IMAGE:
- case UNIQUE_ANSWER_NO_OPTION:
- if ($from_database) {
- $queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
- $resultans = Database::query($queryans);
- $choice = Database::result($resultans, 0, "answer");
- $studentChoice = ($choice == $numAnswer) ? 1 : 0;
- if ($studentChoice) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- }
- } else {
- $studentChoice = ($choice == $numAnswer) ? 1 : 0;
- if ($studentChoice) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- }
- }
- break;
- // for multiple answers
- case MULTIPLE_ANSWER_TRUE_FALSE:
- if ($from_database) {
- $choice = array();
- $queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = ".$exeId." AND question_id = ".$questionId;
- $resultans = Database::query($queryans);
- while ($row = Database::fetch_array($resultans)) {
- $ind = $row['answer'];
- $result = explode(':', $ind);
- $my_answer_id = $result[0];
- $option = $result[1];
- $choice[$my_answer_id] = $option;
- }
- $studentChoice = $choice[$numAnswer];
- } else {
- $studentChoice = $choice[$numAnswer];
- }
- if (!empty($studentChoice)) {
- if ($studentChoice == $answerCorrect) {
- $questionScore += $true_score;
- } else {
- if ($quiz_question_options[$studentChoice]['name'] != "Don't know") {
- $questionScore += $false_score;
- } else {
- $questionScore += $doubt_score;
- }
- }
- } else {
- //if no result then the user just hit don't know
- $studentChoice = 3;
- $questionScore += $doubt_score;
- }
- $totalScore = $questionScore;
- break;
- case MULTIPLE_ANSWER: //2
- if ($from_database) {
- $choice = array();
- $queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
- $resultans = Database::query($queryans);
- while ($row = Database::fetch_array($resultans)) {
- $ind = $row['answer'];
- $choice[$ind] = 1;
- }
- $studentChoice = isset($choice[$numAnswer]) ? $choice[$numAnswer] : null;
- $real_answers[$answerId] = (bool)$studentChoice;
- if ($studentChoice) {
- $questionScore += $answerWeighting;
- }
- } else {
- $studentChoice = isset($choice[$numAnswer]) ? $choice[$numAnswer] : null;
- $real_answers[$answerId] = (bool)$studentChoice;
- if (isset($studentChoice)) {
- $questionScore += $answerWeighting;
- }
- }
- $totalScore += $answerWeighting;
- if ($debug) {
- error_log("studentChoice: $studentChoice");
- }
- break;
- case GLOBAL_MULTIPLE_ANSWER :
- if ($from_database) {
- $choice = array();
- $queryans = "SELECT answer FROM $TBL_TRACK_ATTEMPT WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
- $resultans = Database::query($queryans);
- while ($row = Database::fetch_array($resultans)) {
- $ind = $row['answer'];
- $choice[$ind] = 1;
- }
- $studentChoice = $choice[$numAnswer];
- $real_answers[$answerId] = (bool)$studentChoice;
- if ($studentChoice) {
- $questionScore += $answerWeighting;
- }
- } else {
- $studentChoice = $choice[$numAnswer];
- if (isset($studentChoice)) {
- $questionScore += $answerWeighting;
- }
- $real_answers[$answerId] = (bool)$studentChoice;
- }
- $totalScore += $answerWeighting;
- if ($debug) {
- error_log("studentChoice: $studentChoice");
- }
- break;
- case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
- if ($from_database) {
- $queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." where exe_id = ".$exeId." AND question_id= ".$questionId;
- $resultans = Database::query($queryans);
- while ($row = Database::fetch_array($resultans)) {
- $ind = $row['answer'];
- $result = explode(':', $ind);
- $my_answer_id = $result[0];
- $option = $result[1];
- $choice[$my_answer_id] = $option;
- }
- //$numAnswer = $objAnswerTmp->selectAutoId($answerId);
- $numAnswer = $answerId;
- $studentChoice = $choice[$numAnswer];
- if ($answerCorrect == $studentChoice) {
- //$answerCorrect = 1;
- $real_answers[$answerId] = true;
- } else {
- //$answerCorrect = 0;
- $real_answers[$answerId] = false;
- }
- } else {
- $studentChoice = $choice[$numAnswer];
- if ($answerCorrect == $studentChoice) {
- //$answerCorrect = 1;
- $real_answers[$answerId] = true;
- } else {
- //$answerCorrect = 0;
- $real_answers[$answerId] = false;
- }
- }
- break;
- case MULTIPLE_ANSWER_COMBINATION:
- if ($from_database) {
- $queryans = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." where exe_id = '".$exeId."' and question_id= '".$questionId."'";
- $resultans = Database::query($queryans);
- while ($row = Database::fetch_array($resultans)) {
- $choice[$row['answer']] = 1;
- }
- $studentChoice = $choice[$answerId];
- if ($answerCorrect == 1) {
- if ($studentChoice) {
- $real_answers[$answerId] = true;
- } else {
- $real_answers[$answerId] = false;
- }
- } else {
- if ($studentChoice) {
- $real_answers[$answerId] = false;
- } else {
- $real_answers[$answerId] = true;
- }
- }
- } else {
- $studentChoice = $choice[$numAnswer];
- if ($answerCorrect == 1) {
- if ($studentChoice) {
- $real_answers[$answerId] = true;
- } else {
- $real_answers[$answerId] = false;
- }
- } else {
- if ($studentChoice) {
- $real_answers[$answerId] = false;
- } else {
- $real_answers[$answerId] = true;
- }
- }
- }
- break;
- // for fill in the blanks
- case FILL_IN_BLANKS :
- // the question is encoded like this
- // [A] B [C] D [E] F::10,10,10@1
- // number 1 before the "@" means that is a switchable fill in blank question
- // [A] B [C] D [E] F::10,10,10@ or [A] B [C] D [E] F::10,10,10
- // means that is a normal fill blank question
- // first we explode the "::"
- $pre_array = explode('::', $answer);
- // is switchable fill blank or not
- $last = count($pre_array) - 1;
- $is_set_switchable = explode('@', $pre_array[$last]);
- $switchable_answer_set = false;
- if (isset($is_set_switchable[1]) && $is_set_switchable[1] == 1) {
- $switchable_answer_set = true;
- }
- $answer = '';
- for ($k = 0; $k < $last; $k++) {
- $answer .= $pre_array[$k];
- }
- // splits weightings that are joined with a comma
- $answerWeighting = explode(',', $is_set_switchable[0]);
- // we save the answer because it will be modified
- //$temp = $answer;
- $temp = $answer;
- $answer = '';
- $j = 0;
- //initialise answer tags
- $user_tags = $correct_tags = $real_text = array();
- // the loop will stop at the end of the text
- while (1) {
- // quits the loop if there are no more blanks (detect '[')
- if (($pos = api_strpos($temp, '[')) === false) {
- // adds the end of the text
- $answer = $temp;
- /* // Deprecated code
- // TeX parsing - replacement of texcode tags
- $answer = str_replace("{texcode}", $texstring, $answer);
- */
- $real_text[] = $answer;
- break; //no more "blanks", quit the loop
- }
- // adds the piece of text that is before the blank
- //and ends with '[' into a general storage array
- $real_text[] = api_substr($temp, 0, $pos + 1);
- $answer .= api_substr($temp, 0, $pos + 1);
- //take the string remaining (after the last "[" we found)
- $temp = api_substr($temp, $pos + 1);
- // quit the loop if there are no more blanks, and update $pos to the position of next ']'
- if (($pos = api_strpos($temp, ']')) === false) {
- // adds the end of the text
- $answer .= $temp;
- break;
- }
- if ($from_database) {
- $queryfill = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = ".$exeId." AND question_id= ".Database::escape_string($questionId);
- $resfill = Database::query($queryfill);
- if (Database::num_rows($resfill)) {
- $str = Database::result($resfill, 0, 'answer');
- api_preg_match_all('#\[([^[]*)\]#', $str, $arr);
- $str = str_replace('\r\n', '', $str);
- $choice = $arr[1];
- $tmp = api_strrpos($choice[$j], ' / ');
- $choice[$j] = api_substr($choice[$j], 0, $tmp);
- $choice[$j] = trim($choice[$j]);
- //Needed to let characters ' and " to work as part of an answer
- $choice[$j] = stripslashes($choice[$j]);
- }
- } else {
- $choice[$j] = trim($choice[$j]);
- }
- //No idea why we api_strtolower user reponses
- //$user_tags[] = api_strtolower($choice[$j]);
- $user_tags[] = $choice[$j];
- //put the contents of the [] answer tag into correct_tags[]
- //$correct_tags[] = api_strtolower(api_substr($temp, 0, $pos));
- $correct_tags[] = api_substr($temp, 0, $pos);
- $j++;
- $temp = api_substr($temp, $pos + 1);
- }
- $answer = '';
- $real_correct_tags = $correct_tags;
- $chosen_list = array();
- for ($i = 0; $i < count($real_correct_tags); $i++) {
- if ($i == 0) {
- $answer .= $real_text[0];
- }
- if (!$switchable_answer_set) {
- //needed to parse ' and " characters
- $user_tags[$i] = stripslashes($user_tags[$i]);
- if ($correct_tags[$i] == $user_tags[$i]) {
- // gives the related weighting to the student
- $questionScore += $answerWeighting[$i];
- // increments total score
- $totalScore += $answerWeighting[$i];
- // adds the word in green at the end of the string
- $answer .= $correct_tags[$i];
- } // else if the word entered by the student IS NOT the same as the one defined by the professor
- elseif (!empty($user_tags[$i])) {
- // adds the word in red at the end of the string, and strikes it
- $answer .= '<font color="red"><s>'.$user_tags[$i].'</s></font>';
- } else {
- // adds a tabulation if no word has been typed by the student
- $answer .= ' ';
- }
- } else {
- // switchable fill in the blanks
- if (in_array($user_tags[$i], $correct_tags)) {
- $chosen_list[] = $user_tags[$i];
- $correct_tags = array_diff($correct_tags, $chosen_list);
- // gives the related weighting to the student
- $questionScore += $answerWeighting[$i];
- // increments total score
- $totalScore += $answerWeighting[$i];
- // adds the word in green at the end of the string
- $answer .= $user_tags[$i];
- } elseif (!empty($user_tags[$i])) {
- // else if the word entered by the student IS NOT the same as the one defined by the professor
- // adds the word in red at the end of the string, and strikes it
- $answer .= '<font color="red"><s>'.$user_tags[$i].'</s></font>';
- } else {
- // adds a tabulation if no word has been typed by the student
- $answer .= ' ';
- }
- }
- // adds the correct word, followed by ] to close the blank
- $answer .= ' / <font color="green"><b>'.$real_correct_tags[$i].'</b></font>]';
- if (isset($real_text[$i + 1])) {
- $answer .= $real_text[$i + 1];
- }
- }
- break;
- // for free answer
- case FREE_ANSWER:
- if ($from_database) {
- $query = "SELECT answer, marks FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
- $resq = Database::query($query);
- $questionScore = 0;
- $choice = null;
- if ($resq) {
- $row = Database::fetch_array($resq);
- $choice = $row['answer'];
- $questionScore = $row['marks'];
- $choice = str_replace('\r\n', '', $choice);
- $choice = stripslashes($choice);
- }
- if ($questionScore == -1) {
- $totalScore += 0;
- } else {
- $totalScore += $questionScore;
- }
- if ($questionScore == '') {
- $questionScore = 0;
- }
- $arrques = $questionName;
- $arrans = $choice;
- } else {
- $studentChoice = $choice;
- if ($studentChoice) {
- //Fixing negative puntation see #2193
- $questionScore = 0;
- $totalScore += 0;
- }
- }
- break;
- case ORAL_EXPRESSION :
- if ($from_database) {
- $query = "SELECT answer, marks FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
- $resq = Database::query($query);
- $choice = Database::result($resq, 0, 'answer');
- $choice = str_replace('\r\n', '', $choice);
- $choice = stripslashes($choice);
- $questionScore = Database::result($resq, 0, "marks");
- if ($questionScore == -1) {
- $totalScore += 0;
- } else {
- $totalScore += $questionScore;
- }
- $arrques = $questionName;
- $arrans = $choice;
- } else {
- $studentChoice = $choice;
- if ($studentChoice) {
- //Fixing negative puntation see #2193
- $questionScore = 0;
- $totalScore += 0;
- }
- }
- break;
- // for matching
- case DRAGGABLE:
- case MATCHING :
- if ($from_database) {
- $sql_answer = 'SELECT iid, answer FROM '.$table_ans.' WHERE c_id = '.$course_id.' AND question_id="'.$questionId.'" AND correct=0';
- $res_answer = Database::query($sql_answer);
- // getting the real answer
- $real_list = array();
- while ($real_answer = Database::fetch_array($res_answer)) {
- $real_list[$real_answer['iid']] = $real_answer['answer'];
- }
- $sql_select_answer = "SELECT iid, answer, correct FROM $table_ans
- WHERE c_id = $course_id AND question_id = '$questionId' AND correct <> 0
- ORDER BY iid";
- $res_answers = Database::query($sql_select_answer);
- $questionScore = 0;
- while ($a_answers = Database::fetch_array($res_answers)) {
- $i_answer_id = $a_answers['iid']; //3
- $s_answer_label = $a_answers['answer']; // your daddy - your mother
- $i_answer_correct_answer = $a_answers['correct']; //1 - 2
- $answerIdCorrect = $a_answers['correct'];
- $sql_user_answer = "SELECT answer FROM $TBL_TRACK_ATTEMPT
- WHERE exe_id = '$exeId' AND
- question_id = '$questionId' AND
- position = '$i_answer_id'";
- $res_user_answer = Database::query($sql_user_answer);
- if (Database::num_rows($res_user_answer)) {
- // Rich - good looking
- $result = Database::fetch_array($res_user_answer, 'ASSOC');
- $s_user_answer = $result['answer'];
- } else {
- $s_user_answer = 0;
- }
- $i_answerWeighting = $objAnswerTmp->selectWeighting($i_answer_id);
- if ($answerType == MATCHING) {
- $i_answer_correct_answer = $objAnswerTmp->getAnswerIdFromList($i_answer_correct_answer);
- }
- $user_answer = '';
- if (!empty($s_user_answer)) {
- if ($s_user_answer == $i_answer_correct_answer) {
- $questionScore += $i_answerWeighting;
- $totalScore += $i_answerWeighting;
- if ($answerType == DRAGGABLE) {
- $user_answer = Display::label(get_lang('Correct'), 'success');
- } else {
- $user_answer = '<span>'.$real_list[$answerIdCorrect].'</span>';
- }
- } else {
- if ($answerType == DRAGGABLE) {
- $user_answer = Display::label(get_lang('NotCorrect'), 'important');
- } else {
- $user_answer = '<span style="color: #FF0000; text-decoration: line-through;">'.$real_list[$s_user_answer].'</span>';
- }
- }
- } else {
- if ($answerType == DRAGGABLE) {
- $user_answer = Display::label(get_lang('Incorrect'), 'important');
- }
- }
- if ($show_result) {
- echo '<tr>';
- echo '<td>'.$s_answer_label.'</td>';
- echo '<td>'.$user_answer.'';
- if ($answerType == MATCHING) {
- echo '<b><span style="color: #008000;"> '.$real_list[$answerIdCorrect].'</span></b>';
- }
- echo '</td>';
- echo '</tr>';
- }
- }
- break(2); //break the switch and the "for" condition
- } else {
- $numAnswer = $answerId;
- if ($answerCorrect) {
- $matchingKey = $choice[$numAnswer];
- if ($answerType == DRAGGABLE) {
- $matchingKey = $numAnswer;
- }
- if ($answerType == MATCHING) {
- $answerCorrect = $objAnswerTmp->getAnswerIdFromList($answerCorrect);
- $matchingKey = $numAnswer;
- }
- if ($answerCorrect == $choice[$numAnswer]) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- $user_answer = '<span>'.$answer_matching[$matchingKey].'</span>';
- } else {
- if ($choice[$numAnswer]) {
- $user_answer = '<span style="color: #FF0000; text-decoration: line-through;">'.$answer_matching[$matchingKey].'</span>';
- }
- }
- $matching[$numAnswer] = $choice[$numAnswer];
- }
- break;
- }
- // for hotspot with no order
- case HOT_SPOT :
- if ($from_database) {
- if ($show_result) {
- $TBL_TRACK_HOTSPOT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
- $query = "SELECT hotspot_correct
- FROM ".$TBL_TRACK_HOTSPOT."
- WHERE hotspot_exe_id = '".$exeId."' and
- hotspot_question_id= '".$questionId."' AND
- hotspot_answer_id='".Database::escape_string($answerId)."'";
- $resq = Database::query($query);
- $studentChoice = Database::result($resq, 0, "hotspot_correct");
- if ($studentChoice == 1) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- }
- }
- } else {
- if (isset($choice[$answerId])) {
- $studentChoice = $choice[$answerId];
- } else {
- $studentChoice = false;
- }
- if ($studentChoice) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- }
- }
- break;
- // @todo never added to chamilo
- //for hotspot with fixed order
- case HOT_SPOT_ORDER :
- $studentChoice = $choice['order'][$answerId];
- if ($studentChoice == $answerId) {
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- $studentChoice = true;
- } else {
- $studentChoice = false;
- }
- break;
- // for hotspot with delineation
- case HOT_SPOT_DELINEATION :
- if ($from_database) {
- // getting the user answer
- $TBL_TRACK_HOTSPOT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
- $query = "SELECT hotspot_correct, hotspot_coordinate
- FROM ".$TBL_TRACK_HOTSPOT."
- WHERE hotspot_exe_id = '".$exeId."' AND
- hotspot_question_id= '".$questionId."' AND
- hotspot_answer_id='1'"; //by default we take 1 because it's a delineation
- $resq = Database::query($query);
- $row = Database::fetch_array($resq, 'ASSOC');
- $choice = $row['hotspot_correct'];
- $user_answer = $row['hotspot_coordinate'];
- // THIS is very important otherwise the poly_compile will throw an error!!
- // round-up the coordinates
- $coords = explode('/', $user_answer);
- $user_array = '';
- foreach ($coords as $coord) {
- list($x, $y) = explode(';', $coord);
- $user_array .= round($x).';'.round($y).'/';
- }
- $user_array = substr($user_array, 0, -1);
- } else {
- if ($studentChoice) {
- $newquestionList[] = $questionId;
- }
- if ($answerId === 1) {
- $studentChoice = $choice[$answerId];
- $questionScore += $answerWeighting;
- if ($hotspot_delineation_result[1] == 1) {
- $totalScore += $answerWeighting; //adding the total
- }
- }
- }
- $_SESSION['hotspot_coord'][1] = $delineation_cord;
- $_SESSION['hotspot_dest'][1] = $answer_delineation_destination;
- break;
- } // end switch Answertype
- global $origin;
- if ($show_result) {
- if ($debug) {
- error_log('show result '.$show_result);
- }
- if ($from == 'exercise_result') {
- if ($debug) {
- error_log('Showing questions $from '.$from);
- }
- //display answers (if not matching type, or if the answer is correct)
- if (!in_array($answerType, array(DRAGGABLE, MATCHING))|| $answerCorrect) {
- if (in_array(
- $answerType,
- array(
- UNIQUE_ANSWER,
- UNIQUE_ANSWER_IMAGE,
- UNIQUE_ANSWER_NO_OPTION,
- MULTIPLE_ANSWER,
- MULTIPLE_ANSWER_COMBINATION,
- GLOBAL_MULTIPLE_ANSWER
- )
- )
- ) {
- ExerciseShowFunctions::display_unique_or_multiple_answer(
- $feedback_type,
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- 0,
- 0,
- 0
- );
- } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
- ExerciseShowFunctions::display_multiple_answer_true_false(
- $feedback_type,
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- 0,
- $questionId,
- 0
- );
- } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
- ExerciseShowFunctions::display_multiple_answer_combination_true_false(
- $feedback_type,
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- 0,
- 0,
- 0
- );
- } elseif ($answerType == FILL_IN_BLANKS) {
- ExerciseShowFunctions::display_fill_in_blanks_answer($feedback_type, $answer, 0, 0);
- } elseif ($answerType == FREE_ANSWER) {
- ExerciseShowFunctions::display_free_answer(
- $feedback_type,
- $choice,
- $exeId,
- $questionId,
- $questionScore
- );
- } elseif ($answerType == ORAL_EXPRESSION) {
- // to store the details of open questions in an array to be used in mail
- ExerciseShowFunctions::display_oral_expression_answer($choice, 0, 0, $nano);
- } elseif ($answerType == HOT_SPOT) {
- ExerciseShowFunctions::display_hotspot_answer($feedback_type, $counter, $answer, $studentChoice, $answerComment);
- } elseif ($answerType == HOT_SPOT_ORDER) {
- ExerciseShowFunctions::display_hotspot_order_answer(
- $feedback_type,
- $answerId,
- $answer,
- $studentChoice,
- $answerComment
- );
- } elseif ($answerType == HOT_SPOT_DELINEATION) {
- $user_answer = $_SESSION['exerciseResultCoordinates'][$questionId];
- // Round-up the coordinates
- $coords = explode('/', $user_answer);
- $user_array = '';
- foreach ($coords as $coord) {
- list($x, $y) = explode(';', $coord);
- $user_array .= round($x).';'.round($y).'/';
- }
- $user_array = substr($user_array, 0, -1);
- if ($next) {
- $user_answer = $user_array;
- // we compare only the delineation not the other points
- $answer_question = $_SESSION['hotspot_coord'][1];
- $answerDestination = $_SESSION['hotspot_dest'][1];
- //calculating the area
- $poly_user = convert_coordinates($user_answer, '/');
- $poly_answer = convert_coordinates($answer_question, '|');
- $max_coord = poly_get_max($poly_user, $poly_answer);
- $poly_user_compiled = poly_compile($poly_user, $max_coord);
- $poly_answer_compiled = poly_compile($poly_answer, $max_coord);
- $poly_results = poly_result($poly_answer_compiled, $poly_user_compiled, $max_coord);
- $overlap = $poly_results['both'];
- $poly_answer_area = $poly_results['s1'];
- $poly_user_area = $poly_results['s2'];
- $missing = $poly_results['s1Only'];
- $excess = $poly_results['s2Only'];
- //$overlap = round(polygons_overlap($poly_answer,$poly_user)); //this is an area in pixels
- if ($debug > 0) {
- error_log(__LINE__.' - Polygons results are '.print_r($poly_results, 1), 0);
- }
- if ($overlap < 1) {
- //shortcut to avoid complicated calculations
- $final_overlap = 0;
- $final_missing = 100;
- $final_excess = 100;
- } else {
- // the final overlap is the percentage of the initial polygon that is overlapped by the user's polygon
- $final_overlap = round(((float)$overlap / (float)$poly_answer_area) * 100);
- if ($debug > 1) {
- error_log(__LINE__.' - Final overlap is '.$final_overlap, 0);
- }
- // the final missing area is the percentage of the initial polygon that is not overlapped by the user's polygon
- $final_missing = 100 - $final_overlap;
- if ($debug > 1) {
- error_log(__LINE__.' - Final missing is '.$final_missing, 0);
- }
- // the final excess area is the percentage of the initial polygon's size that is covered by the user's polygon outside of the initial polygon
- $final_excess = round(
- (((float)$poly_user_area - (float)$overlap) / (float)$poly_answer_area) * 100
- );
- if ($debug > 1) {
- error_log(__LINE__.' - Final excess is '.$final_excess, 0);
- }
- }
- //checking the destination parameters parsing the "@@"
- $destination_items = explode('@@', $answerDestination);
- $threadhold_total = $destination_items[0];
- $threadhold_items = explode(';', $threadhold_total);
- $threadhold1 = $threadhold_items[0]; // overlap
- $threadhold2 = $threadhold_items[1]; // excess
- $threadhold3 = $threadhold_items[2]; //missing
- // if is delineation
- if ($answerId === 1) {
- //setting colors
- if ($final_overlap >= $threadhold1) {
- $overlap_color = true; //echo 'a';
- }
- //echo $excess.'-'.$threadhold2;
- if ($final_excess <= $threadhold2) {
- $excess_color = true; //echo 'b';
- }
- //echo '--------'.$missing.'-'.$threadhold3;
- if ($final_missing <= $threadhold3) {
- $missing_color = true; //echo 'c';
- }
- // if pass
- if ($final_overlap >= $threadhold1 && $final_missing <= $threadhold3 && $final_excess <= $threadhold2) {
- $next = 1; //go to the oars
- $result_comment = get_lang('Acceptable');
- $final_answer = 1; // do not update with update_exercise_attempt
- } else {
- $next = 0;
- $result_comment = get_lang('Unacceptable');
- $comment = $answerDestination = $objAnswerTmp->selectComment(1);
- $answerDestination = $objAnswerTmp->selectDestination(1);
- //checking the destination parameters parsing the "@@"
- $destination_items = explode('@@', $answerDestination);
- }
- } elseif ($answerId > 1) {
- if ($objAnswerTmp->selectHotspotType($answerId) == 'noerror') {
- if ($debug > 0) {
- error_log(__LINE__.' - answerId is of type noerror', 0);
- }
- //type no error shouldn't be treated
- $next = 1;
- continue;
- }
- if ($debug > 0) {
- error_log(__LINE__.' - answerId is >1 so we\'re probably in OAR', 0);
- }
- //check the intersection between the oar and the user
- //echo 'user'; print_r($x_user_list); print_r($y_user_list);
- //echo 'official';print_r($x_list);print_r($y_list);
- //$result = get_intersection_data($x_list,$y_list,$x_user_list,$y_user_list);
- $inter = $result['success'];
- //$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
- $delineation_cord = $objAnswerTmp->selectHotspotCoordinates($answerId);
- $poly_answer = convert_coordinates($delineation_cord, '|');
- $max_coord = poly_get_max($poly_user, $poly_answer);
- $poly_answer_compiled = poly_compile($poly_answer, $max_coord);
- $overlap = poly_touch($poly_user_compiled, $poly_answer_compiled, $max_coord);
- if ($overlap == false) {
- //all good, no overlap
- $next = 1;
- continue;
- } else {
- if ($debug > 0) {
- error_log(__LINE__.' - Overlap is '.$overlap.': OAR hit', 0);
- }
- $organs_at_risk_hit++;
- //show the feedback
- $next = 0;
- $comment = $answerDestination = $objAnswerTmp->selectComment($answerId);
- $answerDestination = $objAnswerTmp->selectDestination($answerId);
- $destination_items = explode('@@', $answerDestination);
- $try_hotspot = $destination_items[1];
- $lp_hotspot = $destination_items[2];
- $select_question_hotspot = $destination_items[3];
- $url_hotspot = $destination_items[4];
- }
- }
- } else { // the first delineation feedback
- if ($debug > 0) {
- error_log(__LINE__.' first', 0);
- }
- }
- } elseif ($answerType == MATCHING) {
- //if ($origin != 'learnpath') {
- echo '<tr>';
- echo '<td>'.$answer_matching[$answerId].'</td><td>'.$user_answer.' / <b><span style="color: #008000;">'.
- $answer_matching[$answerCorrect]
- .'</span></b></td>';
- echo '</tr>';
- //}
- }
- }
- } else {
- if ($debug) {
- error_log('Showing questions $from '.$from);
- }
- switch ($answerType) {
- case UNIQUE_ANSWER :
- case UNIQUE_ANSWER_IMAGE :
- case UNIQUE_ANSWER_NO_OPTION:
- case MULTIPLE_ANSWER :
- case GLOBAL_MULTIPLE_ANSWER :
- case MULTIPLE_ANSWER_COMBINATION :
- if ($answerId == 1) {
- ExerciseShowFunctions::display_unique_or_multiple_answer(
- $feedback_type,
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- $answerId
- );
- } else {
- ExerciseShowFunctions::display_unique_or_multiple_answer(
- $feedback_type,
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- ""
- );
- }
- break;
- case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
- if ($answerId == 1) {
- ExerciseShowFunctions::display_multiple_answer_combination_true_false(
- $feedback_type,
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- $answerId
- );
- } else {
- ExerciseShowFunctions::display_multiple_answer_combination_true_false(
- $feedback_type,
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- ""
- );
- }
- break;
- case MULTIPLE_ANSWER_TRUE_FALSE :
- if ($answerId == 1) {
- ExerciseShowFunctions::display_multiple_answer_true_false(
- $feedback_type,
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- $answerId
- );
- } else {
- ExerciseShowFunctions::display_multiple_answer_true_false(
- $feedback_type,
- $answerType,
- $studentChoice,
- $answer,
- $answerComment,
- $answerCorrect,
- $exeId,
- $questionId,
- ""
- );
- }
- break;
- case FILL_IN_BLANKS:
- ExerciseShowFunctions::display_fill_in_blanks_answer($feedback_type, $answer, $exeId, $questionId);
- break;
- case FREE_ANSWER:
- echo ExerciseShowFunctions::display_free_answer(
- $feedback_type,
- $choice,
- $exeId,
- $questionId,
- $questionScore
- );
- break;
- case ORAL_EXPRESSION:
- echo '<tr>
- <td valign="top">'.ExerciseShowFunctions::display_oral_expression_answer(
- $feedback_type,
- $choice,
- $exeId,
- $questionId,
- $nano).'</td>
- </tr>
- </table>';
- break;
- case HOT_SPOT:
- ExerciseShowFunctions::display_hotspot_answer($feedback_type, $counter, $answer, $studentChoice, $answerComment);
- break;
- case HOT_SPOT_DELINEATION:
- $user_answer = $user_array;
- if ($next) {
- $user_answer = $user_array;
- // we compare only the delineation not the other points
- $answer_question = $_SESSION['hotspot_coord'][1];
- $answerDestination = $_SESSION['hotspot_dest'][1];
- //calculating the area
- $poly_user = convert_coordinates($user_answer, '/');
- $poly_answer = convert_coordinates($answer_question, '|');
- $max_coord = poly_get_max($poly_user, $poly_answer);
- $poly_user_compiled = poly_compile($poly_user, $max_coord);
- $poly_answer_compiled = poly_compile($poly_answer, $max_coord);
- $poly_results = poly_result($poly_answer_compiled, $poly_user_compiled, $max_coord);
- $overlap = $poly_results['both'];
- $poly_answer_area = $poly_results['s1'];
- $poly_user_area = $poly_results['s2'];
- $missing = $poly_results['s1Only'];
- $excess = $poly_results['s2Only'];
- //$overlap = round(polygons_overlap($poly_answer,$poly_user)); //this is an area in pixels
- if ($debug > 0) {
- error_log(__LINE__.' - Polygons results are '.print_r($poly_results, 1), 0);
- }
- if ($overlap < 1) {
- //shortcut to avoid complicated calculations
- $final_overlap = 0;
- $final_missing = 100;
- $final_excess = 100;
- } else {
- // the final overlap is the percentage of the initial polygon that is overlapped by the user's polygon
- $final_overlap = round(((float)$overlap / (float)$poly_answer_area) * 100);
- if ($debug > 1) {
- error_log(__LINE__.' - Final overlap is '.$final_overlap, 0);
- }
- // the final missing area is the percentage of the initial polygon that is not overlapped by the user's polygon
- $final_missing = 100 - $final_overlap;
- if ($debug > 1) {
- error_log(__LINE__.' - Final missing is '.$final_missing, 0);
- }
- // the final excess area is the percentage of the initial polygon's size that is covered by the user's polygon outside of the initial polygon
- $final_excess = round(
- (((float)$poly_user_area - (float)$overlap) / (float)$poly_answer_area) * 100
- );
- if ($debug > 1) {
- error_log(__LINE__.' - Final excess is '.$final_excess, 0);
- }
- }
- //checking the destination parameters parsing the "@@"
- $destination_items = explode('@@', $answerDestination);
- $threadhold_total = $destination_items[0];
- $threadhold_items = explode(';', $threadhold_total);
- $threadhold1 = $threadhold_items[0]; // overlap
- $threadhold2 = $threadhold_items[1]; // excess
- $threadhold3 = $threadhold_items[2]; //missing
- // if is delineation
- if ($answerId === 1) {
- //setting colors
- if ($final_overlap >= $threadhold1) {
- $overlap_color = true; //echo 'a';
- }
- //echo $excess.'-'.$threadhold2;
- if ($final_excess <= $threadhold2) {
- $excess_color = true; //echo 'b';
- }
- //echo '--------'.$missing.'-'.$threadhold3;
- if ($final_missing <= $threadhold3) {
- $missing_color = true; //echo 'c';
- }
- // if pass
- if ($final_overlap >= $threadhold1 && $final_missing <= $threadhold3 && $final_excess <= $threadhold2) {
- $next = 1; //go to the oars
- $result_comment = get_lang('Acceptable');
- $final_answer = 1; // do not update with update_exercise_attempt
- } else {
- $next = 0;
- $result_comment = get_lang('Unacceptable');
- $comment = $answerDestination = $objAnswerTmp->selectComment(1);
- $answerDestination = $objAnswerTmp->selectDestination(1);
- //checking the destination parameters parsing the "@@"
- $destination_items = explode('@@', $answerDestination);
- }
- } elseif ($answerId > 1) {
- if ($objAnswerTmp->selectHotspotType($answerId) == 'noerror') {
- if ($debug > 0) {
- error_log(__LINE__.' - answerId is of type noerror', 0);
- }
- //type no error shouldn't be treated
- $next = 1;
- continue;
- }
- if ($debug > 0) {
- error_log(__LINE__.' - answerId is >1 so we\'re probably in OAR', 0);
- }
- //check the intersection between the oar and the user
- //echo 'user'; print_r($x_user_list); print_r($y_user_list);
- //echo 'official';print_r($x_list);print_r($y_list);
- //$result = get_intersection_data($x_list,$y_list,$x_user_list,$y_user_list);
- $inter = $result['success'];
- //$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
- $delineation_cord = $objAnswerTmp->selectHotspotCoordinates($answerId);
- $poly_answer = convert_coordinates($delineation_cord, '|');
- $max_coord = poly_get_max($poly_user, $poly_answer);
- $poly_answer_compiled = poly_compile($poly_answer, $max_coord);
- $overlap = poly_touch($poly_user_compiled, $poly_answer_compiled, $max_coord);
- if ($overlap == false) {
- //all good, no overlap
- $next = 1;
- continue;
- } else {
- if ($debug > 0) {
- error_log(__LINE__.' - Overlap is '.$overlap.': OAR hit', 0);
- }
- $organs_at_risk_hit++;
- //show the feedback
- $next = 0;
- $comment = $answerDestination = $objAnswerTmp->selectComment($answerId);
- $answerDestination = $objAnswerTmp->selectDestination($answerId);
- $destination_items = explode('@@', $answerDestination);
- $try_hotspot = $destination_items[1];
- $lp_hotspot = $destination_items[2];
- $select_question_hotspot = $destination_items[3];
- $url_hotspot = $destination_items[4];
- }
- }
- } else { // the first delineation feedback
- if ($debug > 0) {
- error_log(__LINE__.' first', 0);
- }
- }
- break;
- case HOT_SPOT_ORDER:
- ExerciseShowFunctions::display_hotspot_order_answer(
- $feedback_type,
- $answerId,
- $answer,
- $studentChoice,
- $answerComment
- );
- break;
- case DRAGGABLE:
- case MATCHING:
- //if ($origin != 'learnpath') {
- echo '<tr>';
- echo '<td>'.$answer_matching[$answerId].'</td><td>'.$user_answer.' / <b><span style="color: #008000;">'.$answer_matching[$answerCorrect].'</span></b></td>';
- echo '</tr>';
- //}
- break;
- }
- }
- }
- $counter++;
- } // end for that loops over all answers of the current question
- if ($debug) {
- error_log('<-- end answer loop -->');
- }
- $final_answer = true;
- foreach ($real_answers as $my_answer) {
- if (!$my_answer) {
- $final_answer = false;
- }
- }
- //we add the total score after dealing with the answers
- if ($answerType == MULTIPLE_ANSWER_COMBINATION || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
- if ($final_answer) {
- //getting only the first score where we save the weight of all the question
- $answerWeighting = $objAnswerTmp->selectWeighting($objAnswerTmp->getRealAnswerIdFromList(1));
- $questionScore += $answerWeighting;
- $totalScore += $answerWeighting;
- }
- }
- //Fixes multiple answer question in order to be exact
- if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
- $diff = @array_diff($answer_correct_array, $real_answers);
- /*
- * All good answers or nothing works like exact
- $counter = 1;
- $correct_answer = true;
- foreach ($real_answers as $my_answer) {
- if ($debug) error_log(" my_answer: $my_answer answer_correct_array[counter]: ".$answer_correct_array[$counter]);
- if ($my_answer != $answer_correct_array[$counter]) {
- $correct_answer = false;
- break;
- }
- $counter++;
- } */
- if ($debug) {
- error_log("answer_correct_array: ".print_r($answer_correct_array, 1)."");
- error_log("real_answers: ".print_r($real_answers, 1)."");
- }
- // This makes the result non exact
- if (!empty($diff)) {
- //$questionScore = 0;
- }
- }
- $extra_data = array(
- 'final_overlap' => $final_overlap,
- 'final_missing' => $final_missing,
- 'final_excess' => $final_excess,
- 'overlap_color' => $overlap_color,
- 'missing_color' => $missing_color,
- 'excess_color' => $excess_color,
- 'threadhold1' => $threadhold1,
- 'threadhold2' => $threadhold2,
- 'threadhold3' => $threadhold3,
- );
- if ($from == 'exercise_result') {
- // if answer is hotspot. To the difference of exercise_show.php, we use the results from the session (from_db=0)
- // TODO Change this, because it is wrong to show the user some results that haven't been stored in the database yet
- if ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER || $answerType == HOT_SPOT_DELINEATION) {
- if ($debug) {
- error_log('$from AND this is a hotspot kind of question ');
- }
- $my_exe_id = 0;
- $from_database = 0;
- if ($answerType == HOT_SPOT_DELINEATION) {
- if (0) {
- if ($overlap_color) {
- $overlap_color = 'green';
- } else {
- $overlap_color = 'red';
- }
- if ($missing_color) {
- $missing_color = 'green';
- } else {
- $missing_color = 'red';
- }
- if ($excess_color) {
- $excess_color = 'green';
- } else {
- $excess_color = 'red';
- }
- if (!is_numeric($final_overlap)) {
- $final_overlap = 0;
- }
- if (!is_numeric($final_missing)) {
- $final_missing = 0;
- }
- if (!is_numeric($final_excess)) {
- $final_excess = 0;
- }
- if ($final_overlap > 100) {
- $final_overlap = 100;
- }
- $table_resume = '<table class="data_table">
- <tr class="row_odd" >
- <td></td>
- <td ><b>'.get_lang('Requirements').'</b></td>
- <td><b>'.get_lang('YourAnswer').'</b></td>
- </tr>
- <tr class="row_even">
- <td><b>'.get_lang('Overlap').'</b></td>
- <td>'.get_lang('Min').' '.$threadhold1.'</td>
- <td><div style="color:'.$overlap_color.'">'.(($final_overlap < 0) ? 0 : intval(
- $final_overlap
- )).'</div></td>
- </tr>
- <tr>
- <td><b>'.get_lang('Excess').'</b></td>
- <td>'.get_lang('Max').' '.$threadhold2.'</td>
- <td><div style="color:'.$excess_color.'">'.(($final_excess < 0) ? 0 : intval(
- $final_excess
- )).'</div></td>
- </tr>
- <tr class="row_even">
- <td><b>'.get_lang('Missing').'</b></td>
- <td>'.get_lang('Max').' '.$threadhold3.'</td>
- <td><div style="color:'.$missing_color.'">'.(($final_missing < 0) ? 0 : intval(
- $final_missing
- )).'</div></td>
- </tr>
- </table>';
- if ($next == 0) {
- $try = $try_hotspot;
- $lp = $lp_hotspot;
- $destinationid = $select_question_hotspot;
- $url = $url_hotspot;
- } else {
- //show if no error
- //echo 'no error';
- $comment = $answerComment = $objAnswerTmp->selectComment($nbrAnswers);
- $answerDestination = $objAnswerTmp->selectDestination($nbrAnswers);
- }
- echo '<h1><div style="color:#333;">'.get_lang('Feedback').'</div></h1>
- <p style="text-align:center">';
- $message = '<p>'.get_lang('YourDelineation').'</p>';
- $message .= $table_resume;
- $message .= '<br />'.get_lang('ResultIs').' '.$result_comment.'<br />';
- if ($organs_at_risk_hit > 0) {
- $message .= '<p><b>'.get_lang('OARHit').'</b></p>';
- }
- $message .= '<p>'.$comment.'</p>';
- echo $message;
- } else {
- echo $hotspot_delineation_result[0]; //prints message
- $from_database = 1; // the hotspot_solution.swf needs this variable
- }
- //save the score attempts
- if (1) {
- $final_answer = $hotspot_delineation_result[1]; //getting the answer 1 or 0 comes from exercise_submit_modal.php
- if ($final_answer == 0) {
- $questionScore = 0;
- }
- saveQuestionAttempt($questionScore, 1, $quesId, $exeId, 0, null, $updateResults); // we always insert the answer_id 1 = delineation
- //in delineation mode, get the answer from $hotspot_delineation_result[1]
- saveExerciseAttemptHotspot($exeId, $quesId, $objAnswerTmp->getRealAnswerIdFromList(1), $hotspot_delineation_result[1], $exerciseResultCoordinates[$quesId], $updateResults);
- } else {
- if ($final_answer == 0) {
- $questionScore = 0;
- $answer = 0;
- saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, null, $updateResults);
- if (is_array($exerciseResultCoordinates[$quesId])) {
- foreach ($exerciseResultCoordinates[$quesId] as $idx => $val) {
- saveExerciseAttemptHotspot($exeId, $quesId, $objAnswerTmp->getRealAnswerIdFromList($idx), 0, $val, $updateResults);
- }
- }
- } else {
- saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, null, $updateResults);
- if (is_array($exerciseResultCoordinates[$quesId])) {
- foreach ($exerciseResultCoordinates[$quesId] as $idx => $val) {
- saveExerciseAttemptHotspot($exeId, $quesId, $objAnswerTmp->getRealAnswerIdFromList($idx), $choice[$idx], $val, $updateResults);
- }
- }
- }
- }
- $my_exe_id = $exeId;
- }
- }
- if ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER) {
- // We made an extra table for the answers
- if ($show_result) {
- //if ($origin != 'learnpath') {
- echo '</table></td></tr>';
- echo '<tr>
- <td colspan="2">';
- echo '<i>'.get_lang('HotSpot').'</i><br /><br />';
- echo '<object type="application/x-shockwave-flash" data="'.api_get_path(
- WEB_CODE_PATH
- ).'plugin/hotspot/hotspot_solution.swf?modifyAnswers='.Security::remove_XSS(
- $questionId
- ).'&exe_id='.$exeId.'&from_db=1" width="552" height="352">
- <param name="movie" value="../plugin/hotspot/hotspot_solution.swf?modifyAnswers='.Security::remove_XSS(
- $questionId
- ).'&exe_id='.$exeId.'&from_db=1" />
- </object>';
- echo '</td>
- </tr>';
- //}
- }
- }
- if ($origin != 'learnpath') {
- if ($show_result) {
- echo '</table>';
- }
- }
- }
- $totalWeighting += $questionWeighting;
- // Store results directly in the database
- // For all in one page exercises, the results will be
- // stored by exercise_results.php (using the session)
- if ($saved_results) {
- if ($debug) {
- error_log("Save question results: $saved_results");
- error_log(print_r($choice, 1));
- }
- if (empty($choice)) {
- $choice = 0;
- }
- if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
- if ($choice != 0) {
- $reply = array_keys($choice);
- for ($i = 0; $i < sizeof($reply); $i++) {
- $ans = $reply[$i];
- saveQuestionAttempt($questionScore, $ans.':'.$choice[$ans], $quesId, $exeId, $i, $this->id, $updateResults);
- if ($debug) {
- error_log('result =>'.$questionScore.' '.$ans.':'.$choice[$ans]);
- }
- }
- } else {
- saveQuestionAttempt($questionScore, 0, $quesId, $exeId, 0, $this->id, $updateResults);
- }
- } elseif ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
- if ($choice != 0) {
- $reply = array_keys($choice);
- if ($debug) {
- error_log("reply ".print_r($reply, 1)."");
- }
- for ($i = 0; $i < sizeof($reply); $i++) {
- $ans = $reply[$i];
- saveQuestionAttempt($questionScore, $ans, $quesId, $exeId, $i, $this->id, $updateResults);
- }
- } else {
- saveQuestionAttempt($questionScore, 0, $quesId, $exeId, 0, $this->id, $updateResults);
- }
- } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
- if ($choice != 0) {
- $reply = array_keys($choice);
- for ($i = 0; $i < sizeof($reply); $i++) {
- $ans = $reply[$i];
- saveQuestionAttempt($questionScore, $ans, $quesId, $exeId, $i, $this->id, $updateResults);
- }
- } else {
- saveQuestionAttempt($questionScore, 0, $quesId, $exeId, 0, $this->id, $updateResults);
- }
- } elseif ($answerType == MATCHING || $answerType == DRAGGABLE) {
- if (isset($matching)) {
- foreach ($matching as $j => $val) {
- saveQuestionAttempt($questionScore, $val, $quesId, $exeId, $j, $this->id, $updateResults);
- }
- }
- } elseif ($answerType == FREE_ANSWER) {
- $answer = $choice;
- saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $updateResults);
- } elseif ($answerType == ORAL_EXPRESSION) {
- $answer = $choice;
- saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $updateResults, $nano);
- } elseif ($answerType == UNIQUE_ANSWER || $answerType == UNIQUE_ANSWER_IMAGE || $answerType == UNIQUE_ANSWER_NO_OPTION) {
- $answer = $choice;
- saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $updateResults);
- // } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
- } elseif ($answerType == HOT_SPOT) {
- saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $updateResults);
- if (isset($exerciseResultCoordinates[$questionId]) && !empty($exerciseResultCoordinates[$questionId])) {
- foreach ($exerciseResultCoordinates[$questionId] as $idx => $val) {
- saveExerciseAttemptHotspot($exeId, $quesId, $objAnswerTmp->getRealAnswerIdFromList($idx), $choice[$idx], $val, $updateResults, $this->id);
- }
- }
- } else {
- saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id, $updateResults);
- }
- }
- if ($propagate_neg == 0 && $questionScore < 0) {
- $questionScore = 0;
- }
- if ($saved_results) {
- $stat_table = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $sql_update = 'UPDATE '.$stat_table.' SET exe_result = exe_result + '.floatval($questionScore).' WHERE exe_id = '.$exeId;
- if ($debug) {
- error_log($sql_update);
- }
- Database::query($sql_update);
- }
- $return_array = array(
- 'score' => $questionScore,
- 'weight' => $questionWeighting,
- 'extra' => $extra_data,
- 'open_question' => $arrques,
- 'open_answer' => $arrans,
- 'answer_type' => $answerType,
- 'user_choices' => $choice,
- );
- return $return_array;
- }
- /**
- * @return array
- */
- public function returnNotificationTag()
- {
- return array(
- '{{ student.username }}',
- '{{ student.firstname }}',
- '{{ student.lastname }}',
- '{{ exercise.title }}',
- '{{ exercise.start_time }}',
- '{{ exercise.end_time }}',
- '{{ exercise.question_and_answer_ids }}',
- '{{ exercise.assert_count }}',
- '{{ exercise_result_message }}' // if success or failed
- );
- }
- /**
- * @param int $exeId
- * @param array
- * @param bool
- * @return bool
- */
- public function sendCustomNotification($exeId, $exerciseResult = array(), $exerciseWasPassed = false)
- {
- if (!empty($this->emailNotificationTemplate) or !empty($this->emailNotificationTemplateToUser)) {
- // Getting attempt info
- $trackExerciseInfo = ExerciseLib::get_exercise_track_exercise_info($exeId);
- if (empty($trackExerciseInfo)) {
- return false;
- }
- }
- if ($this->emailAlert) {
- if (!empty($this->emailNotificationTemplate)) {
- $twig = new \Twig_Environment(new \Twig_Loader_String());
- $twig->addFilter('var_dump', new Twig_Filter_Function('var_dump'));
- $template = "{% autoescape false %} ".$this->emailNotificationTemplate."{% endautoescape %}";
- } else {
- global $app;
- $twig = $app['twig'];
- $template = 'default/mail/exercise/end_exercise_notification.tpl';
- }
- $userInfo = api_get_user_info($trackExerciseInfo['exe_user_id'], false, false, true);
- $courseInfo = api_get_course_info_by_id($trackExerciseInfo['c_id']);
- $twig->addGlobal('student', $userInfo);
- $twig->addGlobal('exercise', $this);
- $twig->addGlobal('exercise.start_time', $trackExerciseInfo['start_time']);
- $twig->addGlobal('exercise.end_time', $trackExerciseInfo['end_time']);
- $twig->addGlobal('course', $courseInfo);
- if ($exerciseWasPassed) {
- $twig->addGlobal('exercise_result_message', $this->getOnSuccessMessage());
- } else {
- $twig->addGlobal('exercise_result_message', $this->getOnFailedMessage());
- }
- $resultInfo = array();
- $resultInfoToString = null;
- $countCorrectToString = null;
- if (!empty($exerciseResult)) {
- $countCorrect = array();
- $countCorrect['correct'] = 0;
- $countCorrect['total'] = 0;
- $counter = 1;
- foreach ($exerciseResult as $questionId => $result) {
- $resultInfo[$questionId] = isset($result['details']['user_choices']) ? $result['details']['user_choices'] : null;
- $correct = $result['score']['pass'] ? 1 : 0;
- $countCorrect['correct'] += $correct;
- $countCorrect['total'] = $counter;
- $counter++;
- }
- if (!empty($resultInfo)) {
- $resultInfoToString = json_encode($resultInfo);
- }
- if (!empty($countCorrect)) {
- $countCorrectToString = json_encode($countCorrect);
- }
- }
- $twig->addGlobal('question_and_answer_ids', $resultInfoToString);
- $twig->addGlobal('asserts', $countCorrectToString);
- if (api_get_session_id()) {
- $teachers = CourseManager::get_coach_list_from_course_code($courseInfo['real_id'], api_get_session_id());
- } else {
- $teachers = CourseManager::get_teacher_list_from_course_code($courseInfo['real_id']);
- }
- try {
- $twig->parse($twig->tokenize($template));
- $content = $twig->render($template);
- $subject = get_lang('ExerciseResult');
- if (!empty($teachers)) {
- foreach ($teachers as $user_id => $teacher_data) {
- MessageManager::send_message_simple($user_id, $subject, $content);
- }
- }
- } catch (Twig_Error_Syntax $e) {
- // $template contains one or more syntax errors
- Display::display_warning_message(get_lang('ThereIsAnErrorInTheTemplate'));
- echo $e->getMessage();
- }
- }
- // Message send only to student.
- if ($this->notifyUserByEmail == 1) {
- // Message send only to student.
- if (!empty($this->emailNotificationTemplateToUser)) {
- $twig = new \Twig_Environment(new \Twig_Loader_String());
- $twig->addFilter('var_dump', new Twig_Filter_Function('var_dump'));
- $template = "{% autoescape false %} ".$this->emailNotificationTemplateToUser."{% endautoescape %}";
- } else {
- global $app;
- $twig = $app['twig'];
- $template = 'default/mail/exercise/end_exercise_notification_to_user.tpl';
- }
- $userInfo = api_get_user_info($trackExerciseInfo['exe_user_id'], false, false, true);
- $courseInfo = api_get_course_info_by_id($trackExerciseInfo['c_id']);
- $twig->addGlobal('student', $userInfo);
- $twig->addGlobal('exercise', $this);
- $twig->addGlobal('exercise.start_time', $trackExerciseInfo['start_time']);
- $twig->addGlobal('exercise.end_time', $trackExerciseInfo['end_time']);
- $twig->addGlobal('course', $courseInfo);
- if ($exerciseWasPassed) {
- $twig->addGlobal('exercise_result_message', $this->getOnSuccessMessage());
- } else {
- $twig->addGlobal('exercise_result_message', $this->getOnFailedMessage());
- }
- $resultInfo = array();
- $resultInfoToString = null;
- $countCorrectToString = null;
- if (!empty($exerciseResult)) {
- $countCorrect = array();
- $countCorrect['correct'] = 0;
- $countCorrect['total'] = 0;
- $counter = 1;
- foreach ($exerciseResult as $questionId => $result) {
- $resultInfo[$questionId] = isset($result['details']['user_choices']) ? $result['details']['user_choices'] : null;
- $correct = $result['score']['pass'] ? 1 : 0;
- $countCorrect['correct'] += $correct;
- $countCorrect['total'] = $counter;
- $counter++;
- }
- if (!empty($resultInfo)) {
- $resultInfoToString = json_encode($resultInfo);
- }
- if (!empty($countCorrect)) {
- $countCorrectToString = json_encode($countCorrect);
- }
- }
- $twig->addGlobal('question_and_answer_ids', $resultInfoToString);
- $twig->addGlobal('asserts', $countCorrectToString);
- try {
- $twig->parse($twig->tokenize($template));
- $content = $twig->render($template);
- // Student who finish the exercise
- MessageManager::send_message_simple(api_get_user_id(), get_lang('ExerciseResult'), $content);
- } catch (Twig_Error_Syntax $e) {
- // $template contains one or more syntax errors
- Display::display_warning_message(get_lang('ThereIsAnErrorInTheTemplate'));
- echo $e->getMessage();
- }
- }
- }
- /**
- * Sends a notification when a user ends an examn
- * @param array $question_list_answers
- * @param string $origin
- * @param int $exe_id
- * @return null
- */
- public function sendNotificationForOpenQuestions($question_list_answers, $origin, $exe_id)
- {
- if ($this->emailAlert == false) {
- return null;
- }
- // Email configuration settings
- $course_info = api_get_course_info(api_get_course_id());
- $url_email = api_get_path(WEB_CODE_PATH).'exercice/exercise_show.php?'.api_get_cidreq().'&id_session='.api_get_session_id().'&id='.$exe_id.'&action=qualify';
- $user_info = UserManager::get_user_info_by_id(api_get_user_id());
- $msg = '<p>'.get_lang('OpenQuestionsAttempted').' :</p>
- <p>'.get_lang('AttemptDetails').' : </p>
- <table class="data_table">
- <tr>
- <td><h3>'.get_lang('CourseName').'</h3></td>
- <td><h3>#course#</h3></td>
- </tr>
- <tr>
- <td>'.get_lang('TestAttempted').'</span></td>
- <td>#exercise#</td>
- </tr>
- <tr>
- <td>'.get_lang('StudentName').'</td>
- <td>#firstName# #lastName#</td>
- </tr>
- <tr>
- <td>'.get_lang('StudentEmail').'</td>
- <td>#mail#</td>
- </tr>
- </table>';
- $open_question_list = null;
- foreach ($question_list_answers as $item) {
- $question = $item['question'];
- $answer = $item['answer'];
- $answer_type = $item['answer_type'];
- if (!empty($question) && !empty($answer) && $answer_type == FREE_ANSWER) {
- $open_question_list .= '<tr>
- <td width="220" valign="top" bgcolor="#E5EDF8"> '.get_lang('Question').'</td>
- <td width="473" valign="top" bgcolor="#F3F3F3">'.$question.'</td>
- </tr>
- <tr>
- <td width="220" valign="top" bgcolor="#E5EDF8"> '.get_lang('Answer').'</td>
- <td valign="top" bgcolor="#F3F3F3">'.$answer.'</td>
- </tr>';
- }
- }
- if (!empty($open_question_list)) {
- $msg .= '<p><br />'.get_lang('OpenQuestionsAttemptedAre').' :</p>
- <table width="730" height="136" border="0" cellpadding="3" cellspacing="3">';
- $msg .= $open_question_list;
- $msg .= '</table><br />';
- $msg1 = str_replace("#exercise#", $this->exercise, $msg);
- $msg = str_replace("#firstName#", $user_info['firstname'], $msg1);
- $msg1 = str_replace("#lastName#", $user_info['lastname'], $msg);
- $msg = str_replace("#mail#", $user_info['email'], $msg1);
- $msg = str_replace("#course#", $course_info['name'], $msg1);
- if ($origin != 'learnpath') {
- $msg .= get_lang('ClickToCommentAndGiveFeedback').', <br />
- <a href="#url#">#url#</a>';
- }
- $msg1 = str_replace("#url#", $url_email, $msg);
- $mail_content = $msg1;
- $subject = get_lang('OpenQuestionsAttempted');
- if (api_get_session_id()) {
- $teachers = CourseManager::get_coach_list_from_course_code($course_info['real_id'], api_get_session_id());
- } else {
- $teachers = CourseManager::get_teacher_list_from_course_code($course_info['real_id']);
- }
- if (!empty($teachers)) {
- foreach ($teachers as $user_id => $teacher_data) {
- MessageManager::send_message_simple($user_id, $subject, $mail_content);
- }
- }
- }
- }
- public function sendNotificationForOralQuestions($question_list_answers, $origin, $exe_id)
- {
- if ($this->emailAlert == false) {
- return null;
- }
- // Email configuration settings
- $coursecode = api_get_course_id();
- $course_info = api_get_course_info(api_get_course_id());
- $url_email = api_get_path(WEB_CODE_PATH).'exercice/exercise_show.php?'.api_get_cidreq(
- ).'&id_session='.api_get_session_id().'&id='.$exe_id.'&action=qualify';
- $user_info = UserManager::get_user_info_by_id(api_get_user_id());
- $oral_question_list = null;
- foreach ($question_list_answers as $item) {
- $question = $item['question'];
- $answer = $item['answer'];
- $answer_type = $item['answer_type'];
- if (!empty($question) && !empty($answer) && $answer_type == ORAL_EXPRESSION) {
- $oral_question_list .= '<br /><table width="730" height="136" border="0" cellpadding="3" cellspacing="3"><tr>
- <td width="220" valign="top" bgcolor="#E5EDF8"> '.get_lang('Question').'</td>
- <td width="473" valign="top" bgcolor="#F3F3F3">'.$question.'</td>
- </tr>
- <tr>
- <td width="220" valign="top" bgcolor="#E5EDF8"> '.get_lang('Answer').'</td>
- <td valign="top" bgcolor="#F3F3F3">'.$answer.'</td>
- </tr></table>';
- }
- }
- if (!empty($oral_question_list)) {
- $msg = '<p>'.get_lang('OralQuestionsAttempted').' :</p>
- <p>'.get_lang('AttemptDetails').' : </p>
- <table class="data_table">
- <tr>
- <td><h3>'.get_lang('CourseName').'</h3></td>
- <td><h3>#course#</h3></td>
- </tr>
- <tr>
- <td>'.get_lang('TestAttempted').'</span></td>
- <td>#exercise#</td>
- </tr>
- <tr>
- <td>'.get_lang('StudentName').'</td>
- <td>#firstName# #lastName#</td>
- </tr>
- <tr>
- <td>'.get_lang('StudentEmail').'</td>
- <td>#mail#</td>
- </tr>
- </table>';
- $msg .= '<br />'.sprintf(get_lang('OralQuestionsAttemptedAreX'), $oral_question_list).'<br />';
- $msg1 = str_replace("#exercise#", $this->exercise, $msg);
- $msg = str_replace("#firstName#", $user_info['firstname'], $msg1);
- $msg1 = str_replace("#lastName#", $user_info['lastname'], $msg);
- $msg = str_replace("#mail#", $user_info['email'], $msg1);
- $msg = str_replace("#course#", $course_info['name'], $msg1);
- if ($origin != 'learnpath') {
- $msg .= get_lang('ClickToCommentAndGiveFeedback').', <br />
- <a href="#url#">#url#</a>';
- }
- $msg1 = str_replace("#url#", $url_email, $msg);
- $mail_content = $msg1;
- $subject = get_lang('OralQuestionsAttempted');
- if (api_get_session_id()) {
- $teachers = CourseManager::get_coach_list_from_course_code($course_info['real_id'], api_get_session_id());
- } else {
- $teachers = CourseManager::get_teacher_list_from_course_code($course_info['real_id']);
- }
- if (!empty($teachers)) {
- foreach ($teachers as $user_id => $teacher_data) {
- MessageManager::send_message_simple($user_id, $subject, $mail_content);
- }
- }
- }
- }
- /**
- * @param string $user_data
- * @param string $start_date
- * @param int $duration
- * @return string
- */
- function show_exercise_result_header($user_data, $start_date = null, $duration = null)
- {
- $array = array();
- if (!empty($user_data)) {
- $array[] = array('title' => get_lang("User"), 'content' => $user_data);
- }
- // Description can be very long and is generally meant to explain
- // rules *before* the exam. Leaving here to make display easier if
- // necessary
- /*
- if (!empty($this->description)) {
- $array[] = array('title' => get_lang("Description"), 'content' => $this->description);
- }
- */
- if (!empty($start_date)) {
- $array[] = array('title' => get_lang("StartDate"), 'content' => $start_date);
- }
- if (!empty($duration)) {
- $array[] = array('title' => get_lang("Duration"), 'content' => $duration);
- }
- $html = Display::page_subheader(
- Display::return_icon('quiz_big.png', get_lang('Result')).' '.$this->exercise.' : '.get_lang('Result')
- );
- $html .= Display::description($array);
- return $html;
- }
- /**
- * Create a quiz from quiz data
- * @param string Title
- * @param int Time before it expires (in minutes)
- * @param int Type of exercise
- * @param int Whether it's randomly picked questions (1) or not (0)
- * @param int Whether the exercise is visible to the user (1) or not (0)
- * @param int Whether the results are show to the user (0) or not (1)
- * @param int Maximum number of attempts (0 if no limit)
- * @param int Feedback type
- * @todo this was function was added due the import exercise via CSV
- * @return int New exercise ID
- */
- function create_quiz($title, $expired_time = 0, $type = 2, $random = 0, $active = 1, $results_disabled = 0, $max_attempt = 0, $feedback = 3) {
- $this->updateTitle($title);
- $this->updateActive($active);
- $this->updateAttempts($max_attempt);
- $this->updateFeedbackType($feedback);
- $this->updateType($type);
- $this->setRandom($random);
- //$this->updateRandomAnswers($form->getSubmitValue('randomAnswers'));
- $this->updateResultsDisabled($results_disabled);
- $this->updateExpiredTime($expired_time);
- /*$this->updatePropagateNegative($form->getSubmitValue('propagate_neg'));
- $this->updateRandomByCat($form->getSubmitValue('randomByCat'));
- $this->updateTextWhenFinished($form->getSubmitValue('text_when_finished'));
- $this->updateDisplayCategoryName($form->getSubmitValue('display_category_name'));
- $this->updateReviewAnswers($form->getSubmitValue('review_answers'));
- $this->updatePassPercentage($form->getSubmitValue('pass_percentage'));
- $this->updateCategories($form->getSubmitValue('category'));*/
- $this->save();
- $quiz_id = $this->selectId();
- return $quiz_id;
- }
- function process_geometry()
- {
- }
- /**
- * Returns the exercise result
- * @param int attempt id
- * @return float exercise result
- */
- public function get_exercise_result($exe_id)
- {
- $result = array();
- $track_exercise_info = ExerciseLib::get_exercise_track_exercise_info($exe_id);
- $totalScore = 0;
- if (!empty($track_exercise_info)) {
- $objExercise = new Exercise();
- $objExercise->read($track_exercise_info['exe_exo_id']);
- if (!empty($track_exercise_info['data_tracking'])) {
- $question_list = explode(',', $track_exercise_info['data_tracking']);
- }
- foreach ($question_list as $questionId) {
- $question_result = $objExercise->manageAnswers(
- $exe_id,
- $questionId,
- '',
- 'exercise_show',
- array(),
- false,
- true,
- false
- );
- // $questionScore = $question_result['score'];
- $totalScore += $question_result['score'];
- }
- if ($objExercise->selectPropagateNeg() == 0 && $totalScore < 0) {
- $totalScore = 0;
- }
- $result = array(
- 'score' => $totalScore,
- 'weight' => $track_exercise_info['exe_weighting']
- );
- }
- return $result;
- }
- /**
- * Checks if the exercise is visible due a lot of conditions - visibility, time limits, student attempts
- *
- * @param int $lp_id
- * @param int $lp_item_id
- * @param int $lp_item_view_id
- * @param bool $filter_by_admin
- * @return array
- */
- public function is_visible($lp_id = 0, $lp_item_id = 0, $lp_item_view_id = 0, $filter_by_admin = true)
- {
- //1. By default the exercise is visible
- $is_visible = true;
- $message = null;
- //1.1 Admins and teachers can access to the exercise
- if ($filter_by_admin) {
- if (api_is_platform_admin() || api_is_course_admin()) {
- return array('value' => true, 'message' => '');
- }
- }
- //Checking visibility in the item_property table
- $visibility = api_get_item_visibility(api_get_course_info(), TOOL_QUIZ, $this->id, api_get_session_id());
- if ($visibility == 0) {
- $this->active = 0;
- }
- //2. If the exercise is not active
- if (empty($lp_id)) {
- //2.1 LP is OFF
- if ($this->active == 0) {
- return array(
- 'value' => false,
- 'message' => Display::return_message(get_lang('ExerciseNotFound'), 'warning', false)
- );
- }
- } else {
- //2.1 LP is loaded
- if ($this->active == 0 AND !learnpath::is_lp_visible_for_student($lp_id, api_get_user_id())) {
- return array(
- 'value' => false,
- 'message' => Display::return_message(get_lang('ExerciseNotFound'), 'warning', false)
- );
- }
- }
- //3. We check if the time limits are on
- $limit_time_exists = ((!empty($this->start_time) && $this->start_time != '0000-00-00 00:00:00') || (!empty($this->end_time) && $this->end_time != '0000-00-00 00:00:00')) ? true : false;
- if ($limit_time_exists) {
- $time_now = time();
- if (!empty($this->start_time) && $this->start_time != '0000-00-00 00:00:00') {
- $is_visible = (($time_now - api_strtotime($this->start_time, 'UTC')) > 0) ? true : false;
- }
- if ($is_visible == false) {
- $message = sprintf(get_lang('ExerciseAvailableFromX'), api_convert_and_format_date($this->start_time));
- }
- if ($is_visible == true) {
- if ($this->end_time != '0000-00-00 00:00:00') {
- $is_visible = ((api_strtotime($this->end_time, 'UTC') > $time_now) > 0) ? true : false;
- if ($is_visible == false) {
- $message = sprintf(
- get_lang('ExerciseAvailableUntilX'),
- api_convert_and_format_date($this->end_time)
- );
- }
- }
- }
- if ($is_visible == false && $this->start_time != '0000-00-00 00:00:00' && $this->end_time != '0000-00-00 00:00:00') {
- $message = sprintf(
- get_lang('ExerciseWillBeActivatedFromXToY'),
- api_convert_and_format_date($this->start_time),
- api_convert_and_format_date($this->end_time)
- );
- }
- }
- // 4. We check if the student have attempts
- if ($is_visible) {
- if ($this->selectAttempts() > 0) {
- $attempt_count = get_attempt_count_not_finished(
- api_get_user_id(),
- $this->id,
- $lp_id,
- $lp_item_id,
- $lp_item_view_id
- );
- if ($attempt_count >= $this->selectAttempts()) {
- $message = sprintf(get_lang('ReachedMaxAttempts'), $this->name, $this->selectAttempts());
- $is_visible = false;
- }
- }
- }
- if (!empty($message)) {
- $message = Display :: return_message($message, 'warning', false);
- }
- return array('value' => $is_visible, 'message' => $message);
- }
- /**
- * @return bool
- */
- function added_in_lp()
- {
- $TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
- $sql = "SELECT max_score FROM $TBL_LP_ITEM WHERE c_id = ".$this->course_id." AND item_type = '".TOOL_QUIZ."' AND path = '".$this->id."'";
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0) {
- return true;
- }
- return false;
- }
- /**
- * Returns an array with the media list
- * @param array question list
- * @example there's 1 question with iid 5 that belongs to the media question with iid = 100
- * <code>
- * array (size=2)
- * 999 =>
- * array (size=3)
- * 0 => int 7
- * 1 => int 6
- * 2 => int 3254
- * 100 =>
- * array (size=1)
- * 0 => int 5
- * </code>
- * @return array
- */
- private function setMediaList($questionList)
- {
- $mediaList= array();
- if (!empty($questionList)) {
- foreach ($questionList as $questionId) {
- $objQuestionTmp = Question::read($questionId);
- // If a media question exists
- if (isset($objQuestionTmp->parent_id) && $objQuestionTmp->parent_id != 0) {
- $mediaList[$objQuestionTmp->parent_id][] = $objQuestionTmp->id;
- } else {
- // Always the last item
- $mediaList[999][] = $objQuestionTmp->id;
- }
- }
- }
- $this->mediaList = $mediaList;
- }
- /**
- * Returns an array with this form
- * @example
- * <code>
- * array (size=3)
- 999 =>
- array (size=3)
- 0 => int 3422
- 1 => int 3423
- 2 => int 3424
- 100 =>
- array (size=2)
- 0 => int 3469
- 1 => int 3470
- 101 =>
- array (size=1)
- 0 => int 3482
- * </code>
- * The array inside the key 999 means the question list that belongs to the media id = 999,
- * this case is special because 999 means "no media".
- * @return array
- */
- public function getMediaList()
- {
- return $this->mediaList;
- }
- /**
- * Is media question activated?
- * @return bool
- */
- public function mediaIsActivated()
- {
- $mediaQuestions = $this->getMediaList();
- $active = false;
- if (isset($mediaQuestions) && !empty($mediaQuestions)) {
- $media_count = count($mediaQuestions);
- if ($media_count > 1) {
- return true;
- } elseif ($media_count == 1) {
- if (isset($mediaQuestions[999])) {
- return false;
- } else {
- return true;
- }
- }
- }
- return $active;
- }
- /**
- * Gets question list from the exercise
- *
- * @return array
- */
- public function getQuestionList()
- {
- return $this->questionList;
- }
- /**
- * Question list with medias compressed like this
- * @example
- * <code>
- * array(
- * question_id_1,
- * question_id_2,
- * media_id, <- this media id contains question ids
- * question_id_3,
- * )
- * </code>
- * @return array
- */
- public function getQuestionListWithMediasCompressed()
- {
- return $this->questionList;
- }
- /**
- * Question list with medias uncompressed like this
- * @example
- * <code>
- * array(
- * question_id,
- * question_id,
- * question_id, <- belongs to a media id
- * question_id, <- belongs to a media id
- * question_id,
- * )
- * </code>
- * @return array
- */
- public function getQuestionListWithMediasUncompressed()
- {
- return $this->questionListUncompressed;
- }
- /**
- * Sets the question list when the exercise->read() is executed
- */
- public function setQuestionList()
- {
- // Getting question list.
- $questionList = $this->selectQuestionList(true);
- $this->setMediaList($questionList);
- $this->questionList = $this->transformQuestionListWithMedias($questionList, false);
- $this->questionListUncompressed = $this->transformQuestionListWithMedias($questionList, true);
- }
- /**
- *
- * @params array question list
- * @params bool expand or not question list (true show all questions, false show media question id instead of the question ids)
- *
- **/
- public function transformQuestionListWithMedias($question_list, $expand_media_questions = false)
- {
- $new_question_list = array();
- if (!empty($question_list)) {
- $media_questions = $this->getMediaList();
- $media_active = $this->mediaIsActivated($media_questions);
- if ($media_active) {
- $counter = 1;
- foreach ($question_list as $question_id) {
- $add_question = true;
- foreach ($media_questions as $media_id => $question_list_in_media) {
- if ($media_id != 999 && in_array($question_id, $question_list_in_media)) {
- $add_question = false;
- if (!in_array($media_id, $new_question_list)) {
- $new_question_list[$counter] = $media_id;
- $counter++;
- }
- break;
- }
- }
- if ($add_question) {
- $new_question_list[$counter] = $question_id;
- $counter++;
- }
- }
- if ($expand_media_questions) {
- $media_key_list = array_keys($media_questions);
- foreach ($new_question_list as &$question_id) {
- if (in_array($question_id, $media_key_list)) {
- $question_id = $media_questions[$question_id];
- }
- }
- $new_question_list = ArrayClass::array_flatten($new_question_list);
- }
- } else {
- $new_question_list = $question_list;
- }
- }
- return $new_question_list;
- }
- /**
- * @param int $exe_id
- * @return array
- */
- public function getStatTrackExerciseInfoByExeId($exe_id)
- {
- $track_exercises = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $exe_id = intval($exe_id);
- $sql_track = "SELECT * FROM $track_exercises WHERE exe_id = $exe_id ";
- $result = Database::query($sql_track);
- $new_array = array();
- if (Database::num_rows($result) > 0) {
- $new_array = Database::fetch_array($result, 'ASSOC');
- $new_array['duration'] = null;
- $start_date = api_get_utc_datetime($new_array['start_date'], true);
- $end_date = api_get_utc_datetime($new_array['exe_date'], true);
- if (!empty($start_date) && !empty($end_date)) {
- $start_date = api_strtotime($start_date, 'UTC');
- $end_date = api_strtotime($end_date, 'UTC');
- if ($start_date && $end_date) {
- $mytime = $end_date - $start_date;
- $new_learnpath_item = new learnpathItem(null);
- $time_attemp = $new_learnpath_item->get_scorm_time('js', $mytime);
- $h = get_lang('h');
- $time_attemp = str_replace('NaN', '00'.$h.'00\'00"', $time_attemp);
- $new_array['duration'] = $time_attemp;
- }
- }
- }
- return $new_array;
- }
- /**
- * @param int $exe_id
- * @param int $question_id
- * @param string $action
- */
- public function edit_question_to_remind($exe_id, $question_id, $action = 'add')
- {
- $exercise_info = self::getStatTrackExerciseInfoByExeId($exe_id);
- $question_id = intval($question_id);
- $exe_id = intval($exe_id);
- $track_exercises = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- if ($exercise_info) {
- if (empty($exercise_info['questions_to_check'])) {
- if ($action == 'add') {
- $sql = "UPDATE $track_exercises SET questions_to_check = '$question_id' WHERE exe_id = $exe_id ";
- Database::query($sql);
- }
- } else {
- $remind_list = explode(',', $exercise_info['questions_to_check']);
- $remind_list_string = '';
- if ($action == 'add') {
- if (!in_array($question_id, $remind_list)) {
- $remind_list[] = $question_id;
- if (!empty($remind_list)) {
- sort($remind_list);
- array_filter($remind_list);
- }
- $remind_list_string = implode(',', $remind_list);
- }
- } elseif ($action == 'delete') {
- if (!empty($remind_list)) {
- if (in_array($question_id, $remind_list)) {
- $remind_list = array_flip($remind_list);
- unset($remind_list[$question_id]);
- $remind_list = array_flip($remind_list);
- if (!empty($remind_list)) {
- sort($remind_list);
- array_filter($remind_list);
- $remind_list_string = implode(',', $remind_list);
- }
- }
- }
- }
- $remind_list_string = Database::escape_string($remind_list_string);
- $sql = "UPDATE $track_exercises SET questions_to_check = '$remind_list_string' WHERE exe_id = $exe_id ";
- Database::query($sql);
- }
- }
- }
- /**
- * @param string $answer
- * @return mixed
- */
- public function fill_in_blank_answer_to_array($answer)
- {
- api_preg_match_all('/\[[^]]+\]/', $answer, $teacher_answer_list);
- $teacher_answer_list = $teacher_answer_list[0];
- return $teacher_answer_list;
- }
- /**
- * @param $answer
- * @return string
- */
- public function fill_in_blank_answer_to_string($answer)
- {
- $teacher_answer_list = $this->fill_in_blank_answer_to_array($answer);
- $result = '';
- if (!empty($teacher_answer_list)) {
- foreach ($teacher_answer_list as $teacher_item) {
- $value = null;
- //Cleaning student answer list
- $value = strip_tags($teacher_item);
- $value = api_substr($value, 1, api_strlen($value) - 2);
- $value = explode('/', $value);
- if (!empty($value[0])) {
- $value = trim($value[0]);
- $value = str_replace(' ', '', $value);
- $result .= $value;
- }
- }
- }
- return $result;
- }
- /**
- * Returns a time limit message
- * @return string
- */
- public function returnTimeLeftDiv()
- {
- $message = Display::return_message(
- get_lang('ReachedTimeLimit'), 'warning' ).' '.sprintf(get_lang('YouWillBeRedirectedInXSeconds'),
- '<span id="counter_to_redirect" class="red_alert"></span>'
- );
- $html = '<div id="clock_warning" style="display:none">'.$message.'</div>';
- $html .= '<div class="row"><div class="pull-right"><div id="exercise_clock_warning" class="well count_down"></div></div></div>';
- return $html;
- }
- /**
- * @param string $url
- * @return string
- */
- public function returnWarningJs($url)
- {
- $condition = "
- var dialog = $('#dialog-confirm');
- if (dialog.data('question_list') != '' && dialog.data('question_list') != undefined) {
- saveQuestionList(dialog.data('question_list'));
- } else {
- saveNow(dialog.data('question_id'), dialog.data('url_extra'), dialog.data('redirect'));
- }
- $(this).dialog('close');
- ";
- if (!empty($url)) {
- $condition = 'window.location = "'.$url.'&" + lp_data;';
- }
- return '<script>
- $(function() {
- $("#dialog-confirm").dialog({
- autoOpen: false,
- resizable: false,
- height:200,
- width:550,
- modal: true,
- buttons: {
- "cancel": {
- click: function() {
- $(this).dialog("close");
- },
- text : "'.get_lang("NoIWantToTurnBack").'",
- class : "btn btn-danger"
- },
- "ok": {
- click : function() {
- '.$condition.'
- },
- text: "'.get_lang("YesImSure").'",
- class : "btn btn-success"
- }
- }
- });
- });
- </script>';
- }
- /**
- * @return string
- */
- public function returnWarningHtml()
- {
- return '<div id="dialog-confirm" title="'.get_lang('Exercise').'" style="display:none">
- <p><span class="ui-icon ui-icon-alert" style="float: left; margin: 0 7px 20px 0;"></span>
- '.get_lang('IfYouContinueYourAnswerWillBeSavedAnyChangeWillBeNotAllowed').'
- </p>
- </div>';
- }
- /**
- * Get question list (including question ids of the media)
- * @return int
- */
- public function getCountUncompressedQuestionList()
- {
- $question_count = 0;
- $questionList = $this->questionList;
- if (!empty($questionList)) {
- $question_count = count($questionList);
- }
- return $question_count;
- }
- /**
- * Get question list (excluding question ids of the media)
- * @return int
- */
- public function getCountCompressedQuestionList()
- {
- $mediaQuestions = $this->getMediaList();
- $questionCount = 0;
- foreach ($mediaQuestions as $mediaKey => $questionList) {
- if ($mediaKey == 999) {
- $questionCount += count($questionList);
- } else {
- $questionCount++;
- }
- }
- return $questionCount;
- }
- /**
- * Gets the position of a questionId in the question list
- * @param $questionId
- * @return int
- */
- public function getPositionInCompressedQuestionList($questionId)
- {
- $questionList = $this->getQuestionListWithMediasCompressed();
- $mediaQuestions = $this->getMediaList();
- $position = 1;
- foreach ($questionList as $id) {
- if (isset($mediaQuestions[$id]) && in_array($questionId, $mediaQuestions[$id])) {
- $mediaQuestionList = $mediaQuestions[$id];
- if (in_array($questionId, $mediaQuestionList)) {
- return $position;
- } else {
- $position++;
- }
- } else {
- if ($id == $questionId) {
- return $position;
- } else {
- $position++;
- }
- }
- }
- return 1;
- }
- /**
- * Get question list (excluding question ids of the media)
- * @return int
- */
- public function getPositionOfQuestionInCompresedQuestionList()
- {
- $mediaQuestions = $this->getMediaList();
- $questionCount = 0;
- foreach ($mediaQuestions as $mediaKey => $questionList) {
- if ($mediaKey == 999) {
- $questionCount += count($questionList);
- } else {
- $questionCount++;
- }
- }
- return $questionCount;
- }
- /**
- * @return array
- */
- function get_exercise_list_ordered()
- {
- $table_exercise_order = Database::get_course_table(TABLE_QUIZ_ORDER);
- $course_id = api_get_course_int_id();
- $session_id = api_get_session_id();
- $sql = "SELECT exercise_id, exercise_order FROM $table_exercise_order
- WHERE c_id = $course_id AND session_id = $session_id ORDER BY exercise_order";
- $result = Database::query($sql);
- $list = array();
- if (Database::num_rows($result)) {
- while ($row = Database::fetch_array($result, 'ASSOC')) {
- $list[$row['exercise_order']] = $row['exercise_id'];
- }
- }
- return $list;
- }
- /**
- * Get categories added in the exercise--category matrix
- * @return bool
- */
- public function get_categories_in_exercise()
- {
- $table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
- if (!empty($this->id)) {
- $sql = "SELECT * FROM $table WHERE exercise_id = {$this->id} AND c_id = {$this->course_id} ";
- $result = Database::query($sql);
- $list = array();
- if (Database::num_rows($result)) {
- while ($row = Database::fetch_array($result, 'ASSOC')) {
- $list[$row['category_id']] = $row;
- }
- return $list;
- }
- }
- return false;
- }
- /**
- * @param null $order
- * @return bool
- */
- public function get_categories_with_name_in_exercise($order = null)
- {
- $table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
- $table_category = Database::get_course_table(TABLE_QUIZ_CATEGORY);
- $sql = "SELECT * FROM $table qc INNER JOIN $table_category c ON (category_id = c.iid)
- WHERE exercise_id = {$this->id} AND qc.c_id = {$this->course_id} ";
- if (!empty($order)) {
- $sql .= "ORDER BY $order ";
- }
- $result = Database::query($sql);
- if (Database::num_rows($result)) {
- while ($row = Database::fetch_array($result, 'ASSOC')) {
- $list[$row['category_id']] = $row;
- }
- return $list;
- }
- return false;
- }
- /**
- * Get total number of question that will be parsed when using the category/exercise
- */
- public function getNumberQuestionExerciseCategory()
- {
- $table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
- if (!empty($this->id)) {
- $sql = "SELECT SUM(count_questions) count_questions FROM $table
- WHERE exercise_id = {$this->id} AND c_id = {$this->course_id}";
- $result = Database::query($sql);
- if (Database::num_rows($result)) {
- $row = Database::fetch_array($result);
- return $row['count_questions'];
- }
- }
- return 0;
- }
- /**
- * Save categories in the TABLE_QUIZ_REL_CATEGORY table
- * @param array $categories
- */
- public function save_categories_in_exercise($categories)
- {
- if (!empty($categories) && !empty($this->id)) {
- $table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
- $sql = "DELETE FROM $table WHERE exercise_id = {$this->id} AND c_id = {$this->course_id}";
- Database::query($sql);
- if (!empty($categories)) {
- foreach ($categories as $category_id => $count_questions) {
- $params = array(
- 'c_id' => $this->course_id,
- 'exercise_id' => $this->id,
- 'category_id' => $category_id,
- 'count_questions' => $count_questions
- );
- Database::insert($table, $params);
- }
- }
- }
- }
- /**
- * Returns a HTML link when the exercise ends (exercise result page)
- * @return string
- */
- public function returnEndButtonHTML()
- {
- $endButtonSetting = $this->selectEndButton();
- $html = '';
- switch ($endButtonSetting) {
- case '0':
- $html = Display::url(get_lang('ReturnToCourseHomepage'), api_get_course_url(), array('class' => 'btn btn-large'));
- break;
- case '1':
- $html = Display::url(get_lang('ReturnToExerciseList'), api_get_path(WEB_CODE_PATH).'exercice/exercice.php?'.api_get_cidreq(), array('class' => 'btn btn-large'));
- break;
- case '2':
- global $app;
- $url = $app['url_generator']->generate('logout');
- $html = Display::url(get_lang('Logout'), $url, array('class' => 'btn btn-large'));
- break;
- case '3':
- break;
- }
- return $html;
- }
- /**
- * Gets a list of numbers with links to the questions, like a pagination. If there are categories associated,
- * the list is organized by categories.
- *
- * @param int $exe_id
- * @param array $questionList
- * @param array $questionListFlatten
- * @param array $remindList
- * @param int $reminder
- * @param int $remindQuestionId
- * @param string $url
- * @param int $current_question
- * @return string
- */
- public function getProgressPagination(
- $exe_id,
- $questionList,
- $questionListFlatten,
- $remindList,
- $reminder,
- $remindQuestionId,
- $url,
- $current_question
- ) {
- $exercise_result = getAnsweredQuestionsFromAttempt($exe_id, $this);
- $fixedRemindList = array();
- if (!empty($remindList)) {
- foreach ($questionListFlatten as $questionId) {
- if (in_array($questionId, $remindList)) {
- $fixedRemindList[] = $questionId;
- }
- }
- }
- if (isset($reminder) && $reminder == 2) {
- $values = array_flip($questionListFlatten);
- if (!empty($current_question)) {
- $current_question = isset($values[$remindQuestionId]) ? $values[$remindQuestionId] + 1 : $values[$fixedRemindList[0]] +1;
- }
- }
- $categoryList = Session::read('categoryList');
- $categoryList = null;
- if (empty($categoryList)) {
- $categoryList = $this->getListOfCategoriesWithQuestionForTest();
- Session::write('categoryList', $categoryList);
- }
- $conditions = array();
- $conditions[] = array("class" => 'answered', 'items' => $exercise_result);
- $conditions[] = array("class" => 'remind', 'mode' => 'overwrite', 'items' => $remindList);
- $link = $url.'&num=';
- $html = '<div class="row" id="exercise_progress_block">';
- $html .= '<div class="span10" id="exercise_progress_bars">';
- if (!empty($categoryList)) {
- $html .= $this->progressExercisePaginationBarWithCategories($categoryList, $current_question, $conditions, $link);
- } else {
- $html .= $this->progressExercisePaginationBar($questionList, $current_question, $conditions, $link);
- }
- $html .= '</div>';
- $html .= '<div class="span2" id="exercise_progress_legend"><div class="legend_static">';
- $reviewAnswerLabel = null;
- if ($this->review_answers) {
- $reviewAnswerLabel = Display::label(sprintf(get_lang('ToReviewZ'),'c'), 'warning').'<br />';
- }
- $currentAnswerLabel = null;
- if (!empty($current_question)) {
- $currentAnswerLabel = Display::label(sprintf(get_lang('CurrentQuestionZ'),'d'), 'info');
- }
- // Count the number of answered, unanswered and 'for review' questions - see BT#6523
- $numa = count(array_flip(array_merge($exercise_result,$remindList)));
- $numu = count($questionListFlatten)-$numa;
- $numr = count($remindList);
- $html .= Display::label(sprintf(get_lang('AnsweredZ'),'a'), 'success').'<br />'.Display::label(sprintf(get_lang('UnansweredZ'),'b')).'<br />'.
- $reviewAnswerLabel.$currentAnswerLabel.
- '</div><div class="legend_dynamic">'.
- sprintf(get_lang('AnsweredXYZ'),str_pad($numa,2,'0',STR_PAD_LEFT),'a','c').'<br />'.
- sprintf(get_lang('UnansweredXYZ'),str_pad($numu,2,'0',STR_PAD_LEFT),'b').'<br />'.
- sprintf(get_lang('ToReviewXYZ'),str_pad($numr,2,'0',STR_PAD_LEFT),'c').'</div>'.
- '</div>';
- $html .= '</div>';
- return $html;
- }
- /**
- * @param array media question array
- * @return array question list (flatten not grouped by Medias)
- */
- public function getListOfCategoriesWithQuestionForTest()
- {
- $newMediaList = array();
- $mediaQuestions = $this->getMediaList();
- foreach ($mediaQuestions as $mediaId => $questionMediaList) {
- foreach ($questionMediaList as $questionId) {
- $newMediaList[$questionId] = $mediaId;
- }
- }
- $categoryList = $this->categoryWithQuestionList;
- $categoriesWithQuestion = array();
- if (!empty($categoryList)) {
- foreach ($categoryList as $categoryId => $category) {
- $categoriesWithQuestion[$categoryId] = $category['category'];
- $categoriesWithQuestion[$categoryId]['question_list'] = $category['question_list'];
- if (!empty($newMediaList)) {
- foreach ($category['question_list'] as $questionId) {
- if (isset($newMediaList[$questionId])) {
- $categoriesWithQuestion[$categoryId]['media_question'] = $newMediaList[$questionId];
- } else {
- $categoriesWithQuestion[$categoryId]['media_question'] = 999;
- }
- }
- }
- }
- }
- return $categoriesWithQuestion;
- }
- /**
- * @param array $questionList
- * @param int $currentQuestion
- * @param array $conditions
- * @param string $link
- * @return string
- */
- public function progressExercisePaginationBar($questionList, $currentQuestion, $conditions, $link)
- {
- $mediaQuestions = $this->getMediaList();
- $html = '<div class="exercise_pagination pagination pagination-mini"><ul>';
- $counter = 0;
- $nextValue = 0;
- $wasMedia = false;
- $before = 0;
- $counterNoMedias = 0;
- foreach ($questionList as $questionId) {
- $isCurrent = $currentQuestion == ($counterNoMedias + 1) ? true : false;
- if (!empty($nextValue)) {
- if ($wasMedia) {
- $nextValue = $nextValue - $before + 1;
- }
- }
- if (isset($mediaQuestions) && isset($mediaQuestions[$questionId])) {
- $fixedValue = $counterNoMedias;
- $html .= Display::progressPaginationBar(
- $nextValue,
- $mediaQuestions[$questionId],
- $currentQuestion,
- $fixedValue,
- $conditions,
- $link,
- true,
- true
- );
- $counter += count($mediaQuestions[$questionId]) - 1 ;
- $before = count($questionList);
- $wasMedia = true;
- $nextValue += count($questionList);
- } else {
- $html .= Display::parsePaginationItem($questionId, $isCurrent, $conditions, $link, $counter);
- $counter++;
- $nextValue++;
- $wasMedia = false;
- }
- $counterNoMedias++;
- }
- $html .= '</ul></div>';
- return $html;
- }
- /**
- * Shows a list of numbers that represents the question to answer in a exercise
- *
- * @param array $categories
- * @param int $current
- * @param array $conditions
- * @param string $link
- * @return string
- */
- public function progressExercisePaginationBarWithCategories(
- $categories,
- $current,
- $conditions = array(),
- $link = null
- ) {
- $html = null;
- $counterNoMedias = 0;
- $nextValue = 0;
- $wasMedia = false;
- $before = 0;
- if (!empty($categories)) {
- $selectionType = $this->getQuestionSelectionType();
- $useRootAsCategoryTitle = false;
- // Grouping questions per parent category see BT#6540
- if (in_array(
- $selectionType,
- array(
- EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_ORDERED,
- EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_RANDOM
- )
- )) {
- $useRootAsCategoryTitle = true;
- }
- // If the exercise is set to only show the titles of the categories
- // at the root of the tree, then pre-order the categories tree by
- // removing children and summing their questions into the parent
- // categories
- if ($useRootAsCategoryTitle) {
- // The new categories list starts empty
- $newCategoryList = array();
- foreach ($categories as $category) {
- $rootElement = $category['root'];
- if (isset($category['parent_info'])) {
- $rootElement = $category['parent_info']['id'];
- }
- //$rootElement = $category['id'];
- // If the current category's ancestor was never seen
- // before, then declare it and assign the current
- // category to it.
- if (!isset($newCategoryList[$rootElement])) {
- $newCategoryList[$rootElement] = $category;
- } else {
- // If it was already seen, then merge the previous with
- // the current category
- $oldQuestionList = $newCategoryList[$rootElement]['question_list'];
- $category['question_list'] = array_merge($oldQuestionList , $category['question_list']);
- $newCategoryList[$rootElement] = $category;
- }
- }
- // Now use the newly built categories list, with only parents
- $categories = $newCategoryList;
- }
- foreach ($categories as $category) {
- $questionList = $category['question_list'];
- // Check if in this category there questions added in a media
- $mediaQuestionId = $category['media_question'];
- $isMedia = false;
- $fixedValue = null;
- // Media exists!
- if ($mediaQuestionId != 999) {
- $isMedia = true;
- $fixedValue = $counterNoMedias;
- }
- //$categoryName = $category['path']; << show the path
- $categoryName = $category['name'];
- if ($useRootAsCategoryTitle) {
- if (isset($category['parent_info'])) {
- $categoryName = $category['parent_info']['title'];
- }
- }
- $html .= '<div class="row">';
- $html .= '<div class="span2">'.$categoryName.'</div>';
- $html .= '<div class="span8">';
- if (!empty($nextValue)) {
- if ($wasMedia) {
- $nextValue = $nextValue - $before + 1;
- }
- }
- $html .= Display::progressPaginationBar(
- $nextValue,
- $questionList,
- $current,
- $fixedValue,
- $conditions,
- $link,
- $isMedia,
- true
- );
- $html .= '</div>';
- $html .= '</div>';
- if ($mediaQuestionId == 999) {
- $counterNoMedias += count($questionList);
- } else {
- $counterNoMedias++;
- }
- $nextValue += count($questionList);
- $before = count($questionList);
- if ($mediaQuestionId != 999) {
- $wasMedia = true;
- } else {
- $wasMedia = false;
- }
- }
- }
- return $html;
- }
- /**
- * Renders a question list
- *
- * @param array $questionList (with media questions compressed)
- * @param int $currentQuestion
- * @param array $exerciseResult
- * @param array $attemptList
- * @param array $remindList
- */
- public function renderQuestionList($questionList, $currentQuestion, $exerciseResult, $attemptList, $remindList)
- {
- $mediaQuestions = $this->getMediaList();
- $i = 0;
- // Normal question list render (medias compressed)
- foreach ($questionList as $questionId) {
- $i++;
- // For sequential exercises
- if ($this->type == ONE_PER_PAGE) {
- // If it is not the right question, goes to the next loop iteration
- if ($currentQuestion != $i) {
- continue;
- } else {
- if ($this->feedback_type != EXERCISE_FEEDBACK_TYPE_DIRECT) {
- // if the user has already answered this question
- if (isset($exerciseResult[$questionId])) {
- Display::display_normal_message(get_lang('AlreadyAnswered'));
- break;
- }
- }
- }
- }
- // The $questionList contains the media id we check if this questionId is a media question type
- if (isset($mediaQuestions[$questionId]) && $mediaQuestions[$questionId] != 999) {
- // The question belongs to a media
- $mediaQuestionList = $mediaQuestions[$questionId];
- $objQuestionTmp = Question::read($questionId);
- $counter = 1;
- if ($objQuestionTmp->type == MEDIA_QUESTION) {
- echo $objQuestionTmp->show_media_content();
- $countQuestionsInsideMedia = count($mediaQuestionList);
- // Show questions that belongs to a media
- if (!empty($mediaQuestionList)) {
- // In order to parse media questions we use letters a, b, c, etc.
- $letterCounter = 97;
- foreach ($mediaQuestionList as $questionIdInsideMedia) {
- $isLastQuestionInMedia = false;
- if ($counter == $countQuestionsInsideMedia) {
- $isLastQuestionInMedia = true;
- }
- $this->renderQuestion(
- $questionIdInsideMedia,
- $attemptList,
- $remindList,
- chr($letterCounter),
- $currentQuestion,
- $mediaQuestionList,
- $isLastQuestionInMedia,
- $questionList
- );
- $letterCounter++;
- $counter++;
- }
- }
- } else {
- $this->renderQuestion(
- $questionId,
- $attemptList,
- $remindList,
- $i,
- $currentQuestion,
- null,
- null,
- $questionList
- );
- $i++;
- }
- } else {
- // Normal question render.
- $this->renderQuestion($questionId, $attemptList, $remindList, $i, $currentQuestion, null, null, $questionList);
- }
- // For sequential exercises.
- if ($this->type == ONE_PER_PAGE) {
- // quits the loop
- break;
- }
- }
- // end foreach()
- if ($this->type == ALL_ON_ONE_PAGE) {
- $exercise_actions = $this->show_button($questionId, $currentQuestion);
- echo Display::div($exercise_actions, array('class'=>'exercise_actions'));
- }
- }
- /**
- * @param int $questionId
- * @param array $attemptList
- * @param array $remindList
- * @param int $i
- * @param int $current_question
- * @param array $questions_in_media
- * @param bool $last_question_in_media
- * @param array $realQuestionList
- * @param bool $generateJS
- * @return null
- */
- public function renderQuestion(
- $questionId,
- $attemptList,
- $remindList,
- $i,
- $current_question,
- $questions_in_media = array(),
- $last_question_in_media = false,
- $realQuestionList,
- $generateJS = true
- ) {
- // With this option on the question is loaded via AJAX
- //$generateJS = true;
- //$this->loadQuestionAJAX = true;
- if ($generateJS && $this->loadQuestionAJAX) {
- $url = api_get_path(WEB_AJAX_PATH).'exercise.ajax.php?a=get_question&id='.$questionId;
- $params = array(
- 'questionId' => $questionId,
- 'attemptList'=> $attemptList,
- 'remindList' => $remindList,
- 'i' => $i,
- 'current_question' => $current_question,
- 'questions_in_media' => $questions_in_media,
- 'last_question_in_media' => $last_question_in_media
- );
- $params = json_encode($params);
- $script = '<script>
- $(function(){
- var params = '.$params.';
- $.ajax({
- type: "GET",
- async: false,
- data: params,
- url: "'.$url.'",
- success: function(return_value) {
- $("#ajaxquestiondiv'.$questionId.'").html(return_value);
- }
- });
- });
- </script>
- <div id="ajaxquestiondiv'.$questionId.'"></div>';
- echo $script;
- } else {
- global $origin;
- $question_obj = Question::read($questionId);
- $user_choice = isset($attemptList[$questionId]) ? $attemptList[$questionId] : null;
- $remind_highlight = null;
- //Hides questions when reviewing a ALL_ON_ONE_PAGE exercise see #4542 no_remind_highlight class hide with jquery
- if ($this->type == ALL_ON_ONE_PAGE && isset($_GET['reminder']) && $_GET['reminder'] == 2) {
- $remind_highlight = 'no_remind_highlight';
- if (in_array($question_obj->type, Question::question_type_no_review())) {
- return null;
- }
- }
- $attributes = array('id' =>'remind_list['.$questionId.']');
- if (is_array($remindList) && in_array($questionId, $remindList)) {
- //$attributes['checked'] = 1;
- //$remind_highlight = ' remind_highlight ';
- }
- // Showing the question
- $exercise_actions = null;
- echo '<a id="questionanchor'.$questionId.'"></a><br />';
- echo '<div id="question_div_'.$questionId.'" class="main_question '.$remind_highlight.'" >';
- // Shows the question + possible answers
- $showTitle = $this->getHideQuestionTitle() == 1 ? false : true;
- echo $this->showQuestion($question_obj, false, $origin, $i, $showTitle, false, $user_choice, false, null, false, $this->getModelType(), $this->categoryMinusOne);
- // Button save and continue
- switch ($this->type) {
- case ONE_PER_PAGE:
- $exercise_actions .= $this->show_button($questionId, $current_question, null, $remindList);
- break;
- case ALL_ON_ONE_PAGE:
- $button = '<a href="javascript://" class="btn" onclick="save_now(\''.$questionId.'\', null, true, 1); ">'.get_lang('SaveForNow').'</a>';
- $button .= '<span id="save_for_now_'.$questionId.'" class="exercise_save_mini_message"></span> ';
- $exercise_actions .= Display::div($button, array('class'=>'exercise_save_now_button'));
- break;
- }
- if (!empty($questions_in_media)) {
- $count_of_questions_inside_media = count($questions_in_media);
- if ($count_of_questions_inside_media > 1) {
- $button = '<a href="javascript://" class="btn" onclick="save_now(\''.$questionId.'\', false, false, 0); ">'.get_lang('SaveForNow').'</a>';
- $button .= '<span id="save_for_now_'.$questionId.'" class="exercise_save_mini_message"></span> ';
- $exercise_actions = Display::div($button, array('class'=>'exercise_save_now_button'));
- }
- if ($last_question_in_media && $this->type == ONE_PER_PAGE) {
- $exercise_actions = $this->show_button($questionId, $current_question, $questions_in_media);
- }
- }
- // Checkbox review answers
- if ($this->review_answers && !in_array($question_obj->type, Question::question_type_no_review())) {
- $remind_question_div = Display::tag('label', Display::input('checkbox', 'remind_list['.$questionId.']', '', $attributes).get_lang('ReviewQuestionLater'), array('class' => 'checkbox', 'for' =>'remind_list['.$questionId.']'));
- $exercise_actions .= Display::div($remind_question_div, array('class'=>'exercise_save_now_button'));
- }
- echo Display::div(' ', array('class'=>'clear'));
- $paginationCounter = null;
- if ($this->type == ONE_PER_PAGE) {
- if (empty($questions_in_media)) {
- $paginationCounter = Display::paginationIndicator($current_question, count($realQuestionList));
- } else {
- if ($last_question_in_media) {
- $paginationCounter = Display::paginationIndicator($current_question, count($realQuestionList));
- }
- }
- }
- echo '<div class="row"><div class="pull-right">'.$paginationCounter.'</div></div>';
- echo Display::div($exercise_actions, array('class'=>'form-actions'));
- echo '</div>';
- }
- }
- /**
- * @param int $exeId
- * @return array
- */
- public function returnQuestionListByAttempt($exeId)
- {
- return $this->displayQuestionListByAttempt($exeId, false, true);
- }
- /**
- * Display the exercise results
- * @param int $exe_id
- * @param bool $saveUserResult save users results (true) or just show the results (false)
- * @param bool $returnExerciseResult return array with exercise result info
- * @return mixed
- */
- public function displayQuestionListByAttempt($exe_id, $saveUserResult = false, $returnExerciseResult = false)
- {
- global $origin, $debug;
- //Getting attempt info
- $exercise_stat_info = $this->getStatTrackExerciseInfoByExeId($exe_id);
- //Getting question list
- $question_list = array();
- if (!empty($exercise_stat_info['data_tracking'])) {
- $question_list = explode(',', $exercise_stat_info['data_tracking']);
- } else {
- //Try getting the question list only if save result is off
- if ($saveUserResult == false) {
- $question_list = $this->selectQuestionList();
- }
- error_log("Data tracking is empty! exe_id: $exe_id");
- }
- $counter = 1;
- $total_score = 0;
- $total_weight = 0;
- $exercise_content = null;
- //Hide results
- $show_results = false;
- $show_only_score = false;
- if ($this->results_disabled == RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS) {
- $show_results = true;
- }
- if (in_array($this->results_disabled, array(RESULT_DISABLE_SHOW_SCORE_ONLY, RESULT_DISABLE_SHOW_FINAL_SCORE_ONLY_WITH_CATEGORIES))) {
- $show_only_score = true;
- }
- if ($show_results || $show_only_score) {
- $user_info = api_get_user_info($exercise_stat_info['exe_user_id']);
- // Shows exercise header.
- echo $this->show_exercise_result_header(
- $user_info['complete_name'],
- api_convert_and_format_date($exercise_stat_info['start_date'], DATE_TIME_FORMAT_LONG),
- $exercise_stat_info['duration']
- );
- }
- // Display text when test is finished #4074 and for LP #4227
- $end_of_message = $this->selectTextWhenFinished();
- if (!empty($end_of_message)) {
- Display::display_normal_message($end_of_message, false);
- echo "<div class='clear'> </div>";
- }
- $question_list_answers = array();
- $media_list = array();
- $category_list = array();
- $tempParentId = null;
- $mediaCounter = 0;
- $exerciseResultInfo = array();
- // Loop over all question to show results for each of them, one by one
- if (!empty($question_list)) {
- if ($debug) {
- error_log('Looping question_list '.print_r($question_list, 1));
- }
- foreach ($question_list as $questionId) {
- // Creates a temporary Question object
- $objQuestionTmp = Question::read($questionId);
- // This variable commes from exercise_submit_modal.php
- ob_start();
- $hotspot_delineation_result = null;
- // We're inside *one* question. Go through each possible answer for this question
- $result = $this->manageAnswers(
- $exercise_stat_info['exe_id'],
- $questionId,
- null,
- 'exercise_result',
- array(),
- $saveUserResult,
- true,
- $show_results,
- $hotspot_delineation_result
- );
- if (empty($result)) {
- continue;
- }
- $total_score += $result['score'];
- $total_weight += $result['weight'];
- $question_list_answers[] = array(
- 'question' => $result['open_question'],
- 'answer' => $result['open_answer'],
- 'answer_type' => $result['answer_type']
- );
- $my_total_score = $result['score'];
- $my_total_weight = $result['weight'];
- // Category report
- $category_was_added_for_this_test = false;
- $categoryExerciseList = $this->getListOfCategoriesWithQuestionForTest();
- $category_list = array();
- if (isset($categoryExerciseList) && !empty($categoryExerciseList)) {
- foreach ($categoryExerciseList as $category_id => $categoryInfo) {
- if (!isset($category_list[$category_id])) {
- $category_list[$category_id] = array();
- $category_list[$category_id]['score'] = 0;
- $category_list[$category_id]['total'] = 0;
- }
- $category_list[$category_id]['score'] += $my_total_score;
- $category_list[$category_id]['total'] += $my_total_weight;
- $category_was_added_for_this_test = true;
- }
- }
- // No category for this question!
- if ($category_was_added_for_this_test == false) {
- if (!isset($category_list['none'])) {
- $category_list['none'] = array();
- $category_list['none']['score'] = 0;
- $category_list['none']['total'] = 0;
- }
- $category_list['none']['score'] += $my_total_score;
- $category_list['none']['total'] += $my_total_weight;
- }
- if ($this->selectPropagateNeg() == 0 && $my_total_score < 0) {
- $my_total_score = 0;
- }
- $comnt = null;
- if ($show_results) {
- $comnt = get_comments($exe_id, $questionId);
- if (!empty($comnt)) {
- echo '<b>'.get_lang('Feedback').'</b>';
- echo '<div id="question_feedback">'.$comnt.'</div>';
- }
- }
- $score = array();
- $score['result'] = get_lang('Score')." : ".ExerciseLib::show_score($my_total_score, $my_total_weight, false, true);
- $score['pass'] = $my_total_score >= $my_total_weight ? true : false;
- $score['score'] = $my_total_score;
- $score['weight'] = $my_total_weight;
- $score['comments'] = $comnt;
- $exerciseResultInfo[$questionId]['score'] = $score;
- $exerciseResultInfo[$questionId]['details'] = $result;
- // If no results we hide the results
- if ($show_results == false) {
- $score = array();
- }
- $contents = ob_get_clean();
- $question_content = '<div class="question_row">';
- if ($show_results) {
- $show_media = false;
- $counterToShow = $counter;
- if ($objQuestionTmp->parent_id != 0) {
- if (!in_array($objQuestionTmp->parent_id, $media_list)) {
- $media_list[] = $objQuestionTmp->parent_id;
- $show_media = true;
- }
- if ($tempParentId == $objQuestionTmp->parent_id) {
- $mediaCounter++;
- } else {
- $mediaCounter = 0;
- }
- $counterToShow = chr(97 + $mediaCounter);
- $tempParentId = $objQuestionTmp->parent_id;
- }
- // Shows question title an description.
- $question_content .= $objQuestionTmp->return_header(null, $counterToShow, $score, $show_media, $this->getHideQuestionTitle());
- // display question category, if any
- $question_content .= Testcategory::getCategoryNamesForQuestion($questionId, null, true, $this->categoryMinusOne);
- }
- $counter++;
- $question_content .= $contents;
- $question_content .= '</div>';
- $exercise_content .= $question_content;
- } // end foreach() block that loops over all questions
- }
- $total_score_text = null;
- if ($returnExerciseResult) {
- return $exerciseResultInfo;
- }
- if ($origin != 'learnpath') {
- if ($show_results || $show_only_score) {
- $total_score_text .= $this->get_question_ribbon($total_score, $total_weight, true);
- }
- }
- if (!empty($category_list) && ($show_results || $show_only_score)) {
- //Adding total
- $category_list['total'] = array('score' => $total_score, 'total' => $total_weight);
- echo Testcategory::get_stats_table_by_attempt($this->id, $category_list, $this->categoryMinusOne);
- }
- echo $total_score_text;
- echo $exercise_content;
- if (!$show_only_score) {
- echo $total_score_text;
- }
- if ($saveUserResult) {
- // Tracking of results
- $learnpath_id = $exercise_stat_info['orig_lp_id'];
- $learnpath_item_id = $exercise_stat_info['orig_lp_item_id'];
- $learnpath_item_view_id = $exercise_stat_info['orig_lp_item_view_id'];
- if (api_is_allowed_to_session_edit()) {
- update_event_exercise(
- $exercise_stat_info['exe_id'],
- $this->selectId(),
- $total_score,
- $total_weight,
- api_get_session_id(),
- $learnpath_id,
- $learnpath_item_id,
- $learnpath_item_view_id,
- $exercise_stat_info['exe_duration'],
- '',
- array()
- );
- }
- // Send notification.
- if (!api_is_allowed_to_edit(null, true)) {
- $isSuccess = ExerciseLib::is_success_exercise_result($total_score, $total_weight, $this->selectPassPercentage());
- $this->sendCustomNotification($exe_id, $exerciseResultInfo, $isSuccess);
- $this->sendNotificationForOpenQuestions($question_list_answers, $origin, $exe_id);
- $this->sendNotificationForOralQuestions($question_list_answers, $origin, $exe_id);
- }
- }
- }
- /**
- * Returns an HTML ribbon to show on top of the exercise result, with
- * colouring depending on the success or failure of the student
- * @param $score
- * @param $weight
- * @param bool $check_pass_percentage
- * @return string
- */
- public function get_question_ribbon($score, $weight, $check_pass_percentage = false)
- {
- $eventMessage = null;
- $ribbon = '<div class="question_row">';
- $ribbon .= '<div class="ribbon">';
- if ($check_pass_percentage) {
- $is_success = ExerciseLib::is_success_exercise_result($score, $weight, $this->selectPassPercentage());
- // Color the final test score if pass_percentage activated
- $ribbon_total_success_or_error = "";
- if (ExerciseLib::is_pass_pourcentage_enabled($this->selectPassPercentage())) {
- if ($is_success) {
- $eventMessage = $this->getOnSuccessMessage();
- $ribbon_total_success_or_error = ' ribbon-total-success';
- } else {
- $eventMessage = $this->getOnFailedMessage();
- $ribbon_total_success_or_error = ' ribbon-total-error';
- }
- }
- $ribbon .= '<div class="rib rib-total '.$ribbon_total_success_or_error.'">';
- } else {
- $ribbon .= '<div class="rib rib-total">';
- }
- $ribbon .= '<h3>'.get_lang('YourTotalScore').": ";
- $ribbon .= ExerciseLib::show_score($score, $weight, false, true);
- $ribbon .= '</h3>';
- $ribbon .= '</div>';
- if ($check_pass_percentage) {
- $ribbon .= ExerciseLib::show_success_message($score, $weight, $this->selectPassPercentage());
- }
- $ribbon .= '</div>';
- $ribbon .= '</div>';
- $ribbon .= $eventMessage;
- return $ribbon;
- }
- /**
- * Returns an array of categories details for the questions of the current
- * exercise.
- * @return array
- */
- public function getQuestionWithCategories()
- {
- $categoryTable = Database::get_course_table(TABLE_QUIZ_CATEGORY);
- $categoryRelTable = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
- $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
- $sql = "SELECT DISTINCT cat.*
- FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
- ON (e.question_id = q.iid and e.c_id = {$this->course_id})
- INNER JOIN $categoryRelTable catRel
- ON (catRel.question_id = e.question_id)
- INNER JOIN $categoryTable cat
- ON (cat.iid = catRel.category_id)
- WHERE e.c_id = {$this->course_id} AND e.exercice_id = ".Database::escape_string($this->id);
- $result = Database::query($sql);
- $categoriesInExercise = array();
- if (Database::num_rows($result)) {
- $categoriesInExercise = Database::store_result($result, 'ASSOC');
- }
- return $categoriesInExercise;
- }
- /**
- * Shows a question
- * @param Question $objQuestionTmp
- * @param bool $only_questions if true only show the questions, no exercise title
- * @param bool $origin origin i.e = learnpath
- * @param string $current_item current item from the list of questions
- * @param bool $show_title
- * @param bool $freeze
- * @param array $user_choice
- * @param bool $show_comment
- * @param null $exercise_feedback
- * @param bool $show_answers
- * @param null $modelType
- * @param bool $categoryMinusOne
- * @return bool|null|string
- */
- public function showQuestion(
- Question $objQuestionTmp,
- $only_questions = false,
- $origin = false,
- $current_item = '',
- $show_title = true,
- $freeze = false,
- $user_choice = array(),
- $show_comment = false,
- $exercise_feedback = null,
- $show_answers = false,
- $modelType = null,
- $categoryMinusOne = true
- ) {
- // Text direction for the current language
- //$is_ltr_text_direction = api_get_text_direction() != 'rtl';
- // Change false to true in the following line to enable answer hinting
- $debug_mark_answer = $show_answers; //api_is_allowed_to_edit() && false;
- // Reads question information
- if (!$objQuestionTmp) {
- // Question not found
- return false;
- }
- $html = null;
- $questionId = $objQuestionTmp->id;
- if ($exercise_feedback != EXERCISE_FEEDBACK_TYPE_END) {
- $show_comment = false;
- }
- $answerType = $objQuestionTmp->selectType();
- $pictureName = $objQuestionTmp->selectPicture();
- $s = null;
- $form = new FormValidator('question');
- $renderer = $form->defaultRenderer();
- $form_template = '{content}';
- $renderer->setFormTemplate($form_template);
- if ($answerType != HOT_SPOT && $answerType != HOT_SPOT_DELINEATION) {
- // Question is not a hotspot
- if (!$only_questions) {
- $questionDescription = $objQuestionTmp->selectDescription();
- if ($show_title) {
- $categoryName = Testcategory::getCategoryNamesForQuestion($objQuestionTmp->id, null, true, $categoryMinusOne);
- $html .= $categoryName;
- $html .= Display::div($current_item.'. '.$objQuestionTmp->selectTitle(), array('class' => 'question_title'));
- if (!empty($questionDescription)) {
- $html .= Display::div($questionDescription, array('class' => 'question_description'));
- }
- } else {
- $html .= '<div class="media">';
- $html .= '<div class="pull-left">';
- $html .= '<div class="media-object">';
- $html .= Display::div($current_item, array('class' => 'question_no_title'));
- $html .= '</div>';
- $html .= '</div>';
- $html .= '<div class="media-body">';
- if (!empty($questionDescription)) {
- $html .= Display::div($questionDescription, array('class' => 'question_description'));
- }
- $html .= '</div>';
- $html .= '</div>';
- }
- }
- if (in_array($answerType, array(FREE_ANSWER, ORAL_EXPRESSION)) && $freeze) {
- return null;
- }
- $html .= '<div class="question_options">';
- // construction of the Answer object (also gets all answers details)
- $objAnswerTmp = new Answer($questionId, null, $this);
- $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
- $course_id = api_get_course_int_id();
- $quiz_question_options = Question::readQuestionOption($questionId, $course_id);
- // For "matching" type here, we need something a little bit special
- // because the match between the suggestions and the answers cannot be
- // done easily (suggestions and answers are in the same table), so we
- // have to go through answers first (elems with "correct" value to 0).
- $select_items = array();
- //This will contain the number of answers on the left side. We call them
- // suggestions here, for the sake of comprehensions, while the ones
- // on the right side are called answers
- $num_suggestions = 0;
- if ($answerType == MATCHING || $answerType == DRAGGABLE) {
- if ($answerType == DRAGGABLE) {
- $s .= '<div class="ui-widget ui-helper-clearfix">
- <ul class="drag_question ui-helper-reset ui-helper-clearfix">';
- } else {
- $s .= '<div id="drag'.$questionId.'_question" class="drag_question">';
- $s .= '<table class="data_table">';
- }
- $j = 1; //iterate through answers
- $letter = 'A'; //mark letters for each answer
- $answer_matching = array();
- $capital_letter = array();
- //for ($answerId=1; $answerId <= $nbrAnswers; $answerId++) {
- foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
- $answerCorrect = $objAnswerTmp->isCorrect($answerId);
- $answer = $objAnswerTmp->selectAnswer($answerId);
- if ($answerCorrect == 0) {
- // options (A, B, C, ...) that will be put into the list-box
- // have the "correct" field set to 0 because they are answer
- $capital_letter[$j] = $letter;
- //$answer_matching[$j]=$objAnswerTmp->selectAnswerByAutoId($numAnswer);
- $answer_matching[$j] = array('id' => $answerId, 'answer' => $answer);
- $j++;
- $letter++;
- }
- }
- $i = 1;
- $select_items[0]['id'] = 0;
- $select_items[0]['letter'] = '--';
- $select_items[0]['answer'] = '';
- foreach ($answer_matching as $id => $value) {
- $select_items[$i]['id'] = $value['id'];
- $select_items[$i]['letter'] = $capital_letter[$id];
- $select_items[$i]['answer'] = $value['answer'];
- $i++;
- }
- $num_suggestions = ($nbrAnswers - $j) + 1;
- } elseif ($answerType == FREE_ANSWER) {
- $content = isset($user_choice[0]) && !empty($user_choice[0]['answer']) ? $user_choice[0]['answer'] : null;
- $toolBar = 'TestFreeAnswer';
- if ($modelType == EXERCISE_MODEL_TYPE_COMMITTEE) {
- $toolBar = 'TestFreeAnswerStrict';
- }
- $form->addElement('html_editor', "choice[".$questionId."]", null, array('id' => "choice[".$questionId."]"), array('ToolbarSet' => $toolBar));
- $form->setDefaults(array("choice[".$questionId."]" => $content));
- $s .= $form->return_form();
- } elseif ($answerType == ORAL_EXPRESSION) {
- // Add nanogong
- if (api_get_setting('enable_nanogong') == 'true') {
- //@todo pass this as a parameter
- global $exercise_stat_info, $exerciseId;
- if (!empty($exercise_stat_info)) {
- $params = array(
- 'exercise_id' => $exercise_stat_info['exe_exo_id'],
- 'exe_id' => $exercise_stat_info['exe_id'],
- 'question_id' => $questionId
- );
- } else {
- $params = array(
- 'exercise_id' => $exerciseId,
- 'exe_id' => 'temp_exe',
- 'question_id' => $questionId
- );
- }
- $nano = new Nanogong($params);
- $s .= $nano->show_button();
- }
- $form->addElement('html_editor', "choice[".$questionId."]", null, array('id' => "choice[".$questionId."]"), array('ToolbarSet' => 'TestFreeAnswer'));
- //$form->setDefaults(array("choice[".$questionId."]" => $content));
- $s .= $form->return_form();
- }
- // Now navigate through the possible answers, using the max number of
- // answers for the question as a limiter
- $lines_count = 1; // a counter for matching-type answers
- if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
- $header = Display::tag('th', get_lang('Options'));
- foreach ($objQuestionTmp->options as $item) {
- $header .= Display::tag('th', $item);
- }
- if ($show_comment) {
- $header .= Display::tag('th', get_lang('Feedback'));
- }
- $s .= '<table class="data_table">';
- $s .= Display::tag('tr', $header, array('style' => 'text-align:left;'));
- }
- if ($show_comment) {
- if (in_array($answerType, array(MULTIPLE_ANSWER, MULTIPLE_ANSWER_COMBINATION, UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, GLOBAL_MULTIPLE_ANSWER))) {
- $header = Display::tag('th', get_lang('Options'));
- if ($exercise_feedback == EXERCISE_FEEDBACK_TYPE_END) {
- $header .= Display::tag('th', get_lang('Feedback'));
- }
- $s .= '<table class="data_table">';
- $s.= Display::tag('tr', $header, array('style' => 'text-align:left;'));
- }
- }
- $matching_correct_answer = 0;
- $user_choice_array = array();
- if (!empty($user_choice)) {
- foreach ($user_choice as $item) {
- $user_choice_array[] = $item['answer'];
- }
- }
- foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
- $answer = $objAnswerTmp->selectAnswer($answerId);
- $answerCorrect = $objAnswerTmp->isCorrect($answerId);
- $comment = $objAnswerTmp->selectComment($answerId);
- //$numAnswer = $objAnswerTmp->selectAutoId($answerId);
- $numAnswer = $answerId;
- $attributes = array();
- // Unique answer
- if (in_array($answerType, array(UNIQUE_ANSWER, UNIQUE_ANSWER_IMAGE, UNIQUE_ANSWER_NO_OPTION))) {
- $input_id = 'choice-'.$questionId.'-'.$answerId;
- if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
- $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
- } else {
- $attributes = array('id' => $input_id);
- }
- if ($debug_mark_answer) {
- if ($answerCorrect) {
- $attributes['checked'] = 1;
- $attributes['selected'] = 1;
- }
- }
- $answer = Security::remove_XSS($answer);
- $s .= Display::input('hidden', 'choice2['.$questionId.']', '0');
- $answer_input = null;
- if ($answerType == UNIQUE_ANSWER_IMAGE) {
- $attributes['style'] = 'display:none';
- $answer_input .= '<div id="answer'.$questionId.$numAnswer.'" style="float:left" class="highlight_image_default highlight_image">';
- }
- $answer_input .= '<label class="radio">';
- $answer_input .= Display::input('radio', 'choice['.$questionId.']', $numAnswer, $attributes);
- $answer_input .= $answer;
- $answer_input .= '</label>';
- if ($answerType == UNIQUE_ANSWER_IMAGE) {
- $answer_input .= "</div>";
- }
- if ($show_comment) {
- $s .= '<tr><td>';
- $s .= $answer_input;
- $s .= '</td>';
- $s .= '<td>';
- $s .= $comment;
- $s .= '</td>';
- $s .= '</tr>';
- } else {
- $s .= $answer_input;
- }
- } elseif (in_array($answerType, array(MULTIPLE_ANSWER, MULTIPLE_ANSWER_TRUE_FALSE, GLOBAL_MULTIPLE_ANSWER))) {
- $input_id = 'choice-'.$questionId.'-'.$answerId;
- $answer = Security::remove_XSS($answer);
- if (in_array($numAnswer, $user_choice_array)) {
- $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
- } else {
- $attributes = array('id' => $input_id);
- }
- if ($debug_mark_answer) {
- if ($answerCorrect) {
- $attributes['checked'] = 1;
- $attributes['selected'] = 1;
- }
- }
- if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
- $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
- $answer_input = '<label class="checkbox">';
- $answer_input .= Display::input('checkbox', 'choice['.$questionId.']['.$numAnswer.']', $numAnswer, $attributes);
- $answer_input .= $answer;
- $answer_input .= '</label>';
- if ($show_comment) {
- $s .= '<tr><td>';
- $s .= $answer_input;
- $s .= '</td>';
- $s .= '<td>';
- $s .= $comment;
- $s .= '</td>';
- $s .='</tr>';
- } else {
- $s .= $answer_input;
- }
- } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
- $my_choice = array();
- if (!empty($user_choice_array)) {
- foreach ($user_choice_array as $item) {
- $item = explode(':', $item);
- $my_choice[$item[0]] = $item[1];
- }
- }
- $s .='<tr>';
- $s .= Display::tag('td', $answer);
- if (!empty($quiz_question_options)) {
- foreach ($quiz_question_options as $id => $item) {
- $id = $item['iid'];
- if (isset($my_choice[$numAnswer]) && $id == $my_choice[$numAnswer]) {
- $attributes = array('checked' => 1, 'selected' => 1);
- } else {
- $attributes = array();
- }
- if ($debug_mark_answer) {
- if ($id == $answerCorrect) {
- $attributes['checked'] = 1;
- $attributes['selected'] = 1;
- }
- }
- $s .= Display::tag('td', Display::input('radio', 'choice['.$questionId.']['.$numAnswer.']', $id, $attributes), array('style' => ''));
- }
- }
- if ($show_comment) {
- $s .= '<td>';
- $s .= $comment;
- $s .= '</td>';
- }
- $s.='</tr>';
- }
- } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
- // multiple answers
- $input_id = 'choice-'.$questionId.'-'.$answerId;
- if (in_array($numAnswer, $user_choice_array)) {
- $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
- } else {
- $attributes = array('id' => $input_id);
- }
- if ($debug_mark_answer) {
- if ($answerCorrect) {
- $attributes['checked'] = 1;
- $attributes['selected'] = 1;
- }
- }
- $answer = Security::remove_XSS($answer);
- $answer_input = '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
- $answer_input .= '<label class="checkbox">';
- $answer_input .= Display::input('checkbox', 'choice['.$questionId.']['.$numAnswer.']', 1, $attributes);
- $answer_input .= $answer;
- $answer_input .= '</label>';
- if ($show_comment) {
- $s.= '<tr>';
- $s .= '<td>';
- $s.= $answer_input;
- $s .= '</td>';
- $s .= '<td>';
- $s .= $comment;
- $s .= '</td>';
- $s.= '</tr>';
- } else {
- $s.= $answer_input;
- }
- } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
- $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
- $my_choice = array();
- if (!empty($user_choice_array)) {
- foreach ($user_choice_array as $item) {
- $item = explode(':', $item);
- $my_choice[$item[0]] = $item[1];
- }
- }
- $answer = Security::remove_XSS($answer);
- $s .='<tr>';
- $s .= Display::tag('td', $answer);
- foreach ($objQuestionTmp->options as $key => $item) {
- if (isset($my_choice[$numAnswer]) && $key == $my_choice[$numAnswer]) {
- $attributes = array('checked' => 1, 'selected' => 1);
- } else {
- $attributes = array();
- }
- if ($debug_mark_answer) {
- if ($key == $answerCorrect) {
- $attributes['checked'] = 1;
- $attributes['selected'] = 1;
- }
- }
- $s .= Display::tag('td', Display::input('radio', 'choice['.$questionId.']['.$numAnswer.']', $key, $attributes));
- }
- if ($show_comment) {
- $s .= '<td>';
- $s .= $comment;
- $s .= '</td>';
- }
- $s.='</tr>';
- } elseif ($answerType == FILL_IN_BLANKS) {
- list($answer) = explode('::', $answer);
- //Correct answer
- api_preg_match_all('/\[[^]]+\]/', $answer, $correct_answer_list);
- //Student's answezr
- if (isset($user_choice[0]['answer'])) {
- api_preg_match_all('/\[[^]]+\]/', $user_choice[0]['answer'], $student_answer_list);
- $student_answer_list = $student_answer_list[0];
- }
- //If debug
- if ($debug_mark_answer) {
- $student_answer_list = $correct_answer_list[0];
- }
- if (!empty($correct_answer_list) && !empty($student_answer_list)) {
- $correct_answer_list = $correct_answer_list[0];
- $i = 0;
- foreach ($correct_answer_list as $correct_item) {
- $value = null;
- if (isset($student_answer_list[$i]) && !empty($student_answer_list[$i])) {
- //Cleaning student answer list
- $value = strip_tags($student_answer_list[$i]);
- $value = api_substr($value, 1, api_strlen($value) - 2);
- $value = explode('/', $value);
- if (!empty($value[0])) {
- $value = str_replace(' ', '', trim($value[0]));
- }
- $correct_item = preg_quote($correct_item);
- $correct_item = api_preg_replace('|/|', '\/', $correct_item); // to prevent error if there is a / in the text to find
- $answer = api_preg_replace('/'.$correct_item.'/', Display::input('text', "choice[$questionId][]", $value), $answer, 1);
- }
- $i++;
- }
- } else {
- $answer = api_preg_replace('/\[[^]]+\]/', Display::input('text', "choice[$questionId][]", '', $attributes), $answer);
- }
- $s .= $answer;
- } elseif ($answerType == MATCHING) {
- // matching type, showing suggestions and answers
- // TODO: replace $answerId by $numAnswer
- if ($lines_count == 1) {
- $s .= $objAnswerTmp->getJs();
- }
- if ($answerCorrect != 0) {
- // only show elements to be answered (not the contents of
- // the select boxes, who are correct = 0)
- $s .= '<tr><td width="45%">';
- $parsed_answer = $answer;
- $windowId = $questionId.'_'.$lines_count;
- //left part questions
- $s .= ' <div id="window_'.$windowId.'" class="window window_left_question window'.$questionId.'_question">
- <b>'.$lines_count.'</b>. '.$parsed_answer.'
- </div>
- </td>';
- // middle part (matches selects)
- $s .= '<td width="10%" align="center"> ';
- $s .= '<div style="display:block">';
- $s .= '<select id="window_'.$windowId.'_select" name="choice['.$questionId.']['.$numAnswer.']">';
- $selectedValue = 0;
- // fills the list-box
- $item = 0;
- foreach ($select_items as $val) {
- // set $debug_mark_answer to true at public static function start to
- // show the correct answer with a suffix '-x'
- $selected = '';
- if ($debug_mark_answer) {
- if ($val['id'] == $answerCorrect) {
- $selected = 'selected="selected"';
- $selectedValue = $val['id'];
- }
- }
- if (isset($user_choice[$matching_correct_answer]) && $val['id'] == $user_choice[$matching_correct_answer]['answer']) {
- $selected = 'selected="selected"';
- $selectedValue = $val['id'];
- }
- //$s .= '<option value="'.$val['id'].'" '.$selected.'>'.$val['letter'].'</option>';
- $s .= '<option value="'.$item.'" '.$selected.'>'.$val['letter'].'</option>';
- $item++;
- }
- if (!empty($answerCorrect) && !empty($selectedValue)) {
- $s.= '<script>
- jsPlumb.ready(function() {
- jsPlumb.connect({
- source: "window_'.$windowId.'",
- target: "window_'.$questionId.'_'.$selectedValue.'_answer",
- endpoint:["Blank", { radius:15 }],
- anchor:["RightMiddle","LeftMiddle"],
- paintStyle:{ strokeStyle:"#8a8888" , lineWidth:8 },
- connector: [connectorType, { curviness: curvinessValue } ],
- })
- });
- </script>';
- }
- $s .= '</select></div></td>';
- $s.='<td width="45%" valign="top" >';
- if (isset($select_items[$lines_count])) {
- $s.= '<div id="window_'.$windowId.'_answer" class="window window_right_question">
- <b>'.$select_items[$lines_count]['letter'].'.</b> '.$select_items[$lines_count]['answer'].'
- </div>';
- } else {
- $s.=' ';
- }
- $s .= '</td>';
- $s .= '</tr>';
- $lines_count++;
- //if the left side of the "matching" has been completely
- // shown but the right side still has values to show...
- if (($lines_count - 1) == $num_suggestions) {
- // if it remains answers to shown at the right side
- while (isset($select_items[$lines_count])) {
- $s .= '<tr>
- <td colspan="2"></td>
- <td valign="top">';
- $s.='<b>'.$select_items[$lines_count]['letter'].'.</b>';
- $s .= $select_items[$lines_count]['answer'];
- $s.="</td>
- </tr>";
- $lines_count++;
- } // end while()
- } // end if()
- $matching_correct_answer++;
- }
- } elseif ($answerType == DRAGGABLE) {
- // matching type, showing suggestions and answers
- // TODO: replace $answerId by $numAnswer
- if ($answerCorrect != 0) {
- // only show elements to be answered (not the contents of
- // the select boxes, who are correct = 0)
- $s .= '<td>';
- $parsed_answer = $answer;
- $windowId = $questionId.'_'.$numAnswer; //67_293 - 67_294
- //left part questions
- $s .= '<li class="ui-state-default" id="'.$windowId.'">';
- $s .= ' <div id="window_'.$windowId.'" class="window'.$questionId.'_question_draggable question_draggable">
- '.$parsed_answer.'
- </div>';
- $s .= '<div style="display:none">';
- $s .= '<select id="window_'.$windowId.'_select" name="choice['.$questionId.']['.$numAnswer.']" class="select_option">';
- $selectedValue = 0;
- // fills the list-box
- $item = 0;
- foreach ($select_items as $val) {
- // set $debug_mark_answer to true at function start to
- // show the correct answer with a suffix '-x'
- $selected = '';
- if ($debug_mark_answer) {
- if ($val['id'] == $answerCorrect) {
- $selected = 'selected="selected"';
- $selectedValue = $val['id'];
- }
- }
- if (isset($user_choice[$matching_correct_answer]) && $val['id'] == $user_choice[$matching_correct_answer]['answer']) {
- $selected = 'selected="selected"';
- $selectedValue = $val['id'];
- }
- //$s .= '<option value="'.$val['id'].'" '.$selected.'>'.$val['letter'].'</option>';
- $s .= '<option value="'.$item.'" '.$selected.'>'.$val['letter'].'</option>';
- $item++;
- }
- $s .= '</select>';
- if (!empty($answerCorrect) && !empty($selectedValue)) {
- $s.= '<script>
- $(function() {
- deleteItem($("#'.$questionId.'_'.$selectedValue.'"), $("#drop_'.$windowId.'"));
- });
- </script>';
- }
- if (isset($select_items[$lines_count])) {
- $s.= '<div id="window_'.$windowId.'_answer" class="">
- <b>'.$select_items[$lines_count]['letter'].'.</b> '.$select_items[$lines_count]['answer'].'
- </div>';
- } else {
- $s.=' ';
- }
- $lines_count++;
- //if the left side of the "matching" has been completely
- // shown but the right side still has values to show...
- if (($lines_count - 1) == $num_suggestions) {
- // if it remains answers to shown at the right side
- while (isset($select_items[$lines_count])) {
- $s.='<b>'.$select_items[$lines_count]['letter'].'.</b>';
- $s .= $select_items[$lines_count]['answer'];
- $lines_count++;
- }
- }
- $s .= '</div>';
- $matching_correct_answer++;
- $s .= '</li>';
- }
- }
- } // end for()
- if ($show_comment) {
- $s .= '</table>';
- } else {
- if ($answerType == MATCHING || $answerType == UNIQUE_ANSWER_NO_OPTION || $answerType == MULTIPLE_ANSWER_TRUE_FALSE ||
- $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
- $s .= '</table>';
- }
- }
- if ($answerType == DRAGGABLE) {
- $s .= '</ul><div class="clear"></div>';
- $counterAnswer = 1;
- foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
- $answerCorrect = $objAnswerTmp->isCorrect($answerId);
- $windowId = $questionId.'_'.$counterAnswer;
- if ($answerCorrect == 0) {
- $s .= '<div id="drop_'.$windowId.'" class="droppable ui-state-default">'.$counterAnswer.'</div>';
- $counterAnswer++;
- }
- }
- }
- if ($answerType == MATCHING) {
- $s .= '</div>';
- }
- $s .= '</div>';
- // destruction of the Answer object
- unset($objAnswerTmp);
- // destruction of the Question object
- unset($objQuestionTmp);
- $html .= $s;
- return $html;
- } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
- // Question is a HOT_SPOT
- //checking document/images visibility
- if (api_is_platform_admin() || api_is_course_admin()) {
- $course = api_get_course_info();
- $doc_id = DocumentManager::get_document_id($course, '/images/'.$pictureName);
- if (is_numeric($doc_id)) {
- $images_folder_visibility = api_get_item_visibility($course, 'document', $doc_id, api_get_session_id());
- if (!$images_folder_visibility) {
- //This message is shown only to the course/platform admin if the image is set to visibility = false
- Display::display_warning_message(get_lang('ChangeTheVisibilityOfTheCurrentImage'));
- }
- }
- }
- $questionName = $objQuestionTmp->selectTitle();
- $questionDescription = $objQuestionTmp->selectDescription();
- if ($freeze) {
- $s .= Display::img($objQuestionTmp->selectPicturePath());
- $html .= $s;
- return $html;
- }
- // Get the answers, make a list
- $objAnswerTmp = new Answer($questionId);
- // get answers of hotpost
- $answers_hotspot = array();
- foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
- //$answers = $objAnswerTmp->selectAnswerByAutoId($objAnswerTmp->selectAutoId($answerId));
- $answers_hotspot[$answerId] = $objAnswerTmp->selectAnswer($answerId);
- }
- // display answers of hotpost order by id
- $answer_list = '<div style="padding: 10px; margin-left: 0px; border: 1px solid #A4A4A4; height: 408px; width: 200px;"><b>'.get_lang('HotspotZones').'</b><dl>';
- if (!empty($answers_hotspot)) {
- ksort($answers_hotspot);
- foreach ($answers_hotspot as $key => $value) {
- $answer_list .= '<dt>'.$key.'.- '.$value.'</dt><br />';
- }
- }
- $answer_list .= '</dl></div>';
- if ($answerType == HOT_SPOT_DELINEATION) {
- $answer_list = '';
- $swf_file = 'hotspot_delineation_user';
- $swf_height = 405;
- } else {
- $swf_file = 'hotspot_user';
- $swf_height = 436;
- }
- if (!$only_questions) {
- if ($show_title) {
- $html .= Testcategory::getCategoryNamesForQuestion($objQuestionTmp->id);
- $html .= '<div class="question_title">'.$current_item.'. '.$questionName.'</div>';
- $html .= $questionDescription;
- } else {
- $html .= '<div class="media">';
- $html .= '<div class="pull-left">';
- $html .= '<div class="media-object">';
- $html .= Display::div($current_item.'. ', array('class' => 'question_no_title'));
- $html .= '</div>';
- $html .= '</div>';
- $html .= '<div class="media-body">';
- if (!empty($questionDescription)) {
- $html .= Display::div($questionDescription, array('class' => 'question_description'));
- }
- $html .= '</div>';
- $html .= '</div>';
- }
- //@todo I need to the get the feedback type
- $html .= '<input type="hidden" name="hidden_hotspot_id" value="'.$questionId.'" />';
- $html .= '<table class="exercise_questions">
- <tr>
- <td valign="top" colspan="2">';
- $html .= '</td></tr>';
- }
- $canClick = isset($_GET['editQuestion']) ? '0' : (isset($_GET['modifyAnswers']) ? '0' : '1');
- $s .= ' <script type="text/javascript" src="../plugin/hotspot/JavaScriptFlashGateway.js"></script>
- <script src="../plugin/hotspot/hotspot.js" type="text/javascript" ></script>
- <script type="text/javascript">
- <!--
- // Globals
- // Major version of Flash required
- var requiredMajorVersion = 7;
- // Minor version of Flash required
- var requiredMinorVersion = 0;
- // Minor version of Flash required
- var requiredRevision = 0;
- // the version of javascript supported
- var jsVersion = 1.0;
- // -->
- </script>
- <script language="VBScript" type="text/vbscript">
- <!-- // Visual basic helper required to detect Flash Player ActiveX control version information
- Function VBGetSwfVer(i)
- on error resume next
- Dim swControl, swVersion
- swVersion = 0
- set swControl = CreateObject("ShockwaveFlash.ShockwaveFlash." + CStr(i))
- if (IsObject(swControl)) then
- swVersion = swControl.GetVariable("$version")
- end if
- VBGetSwfVer = swVersion
- End Function
- // -->
- </script>
- <script language="JavaScript1.1" type="text/javascript">
- <!-- // Detect Client Browser type
- var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
- var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
- var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
- jsVersion = 1.1;
- // JavaScript helper required to detect Flash Player PlugIn version information
- function JSGetSwfVer(i) {
- // NS/Opera version >= 3 check for Flash plugin in plugin array
- if (navigator.plugins != null && navigator.plugins.length > 0) {
- if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
- var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
- var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
- descArray = flashDescription.split(" ");
- tempArrayMajor = descArray[2].split(".");
- versionMajor = tempArrayMajor[0];
- versionMinor = tempArrayMajor[1];
- if ( descArray[3] != "" ) {
- tempArrayMinor = descArray[3].split("r");
- } else {
- tempArrayMinor = descArray[4].split("r");
- }
- versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
- flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
- } else {
- flashVer = -1;
- }
- }
- // MSN/WebTV 2.6 supports Flash 4
- else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
- // WebTV 2.5 supports Flash 3
- else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
- // older WebTV supports Flash 2
- else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
- // Can\'t detect in all other cases
- else {
- flashVer = -1;
- }
- return flashVer;
- }
- // When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
- function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) {
- reqVer = parseFloat(reqMajorVer + "." + reqRevision);
- // loop backwards through the versions until we find the newest version
- for (i=25;i>0;i--) {
- if (isIE && isWin && !isOpera) {
- versionStr = VBGetSwfVer(i);
- } else {
- versionStr = JSGetSwfVer(i);
- }
- if (versionStr == -1 ) {
- return false;
- } else if (versionStr != 0) {
- if(isIE && isWin && !isOpera) {
- tempArray = versionStr.split(" ");
- tempString = tempArray[1];
- versionArray = tempString .split(",");
- } else {
- versionArray = versionStr.split(".");
- }
- versionMajor = versionArray[0];
- versionMinor = versionArray[1];
- versionRevision = versionArray[2];
- versionString = versionMajor + "." + versionRevision; // 7.0r24 == 7.24
- versionNum = parseFloat(versionString);
- // is the major.revision >= requested major.revision AND the minor version >= requested minor
- if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
- return true;
- } else {
- return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );
- }
- }
- }
- }
- // -->
- </script>';
- $s .= '<tr><td valign="top" colspan="2" width="520"><table><tr><td width="520">
- <script>
- // Version check based upon the values entered above in "Globals"
- var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
- // Check to see if the version meets the requirements for playback
- if (hasReqestedVersion) { // if we\'ve detected an acceptable version
- var oeTags = \'<object type="application/x-shockwave-flash" data="../plugin/hotspot/'.$swf_file.'.swf?modifyAnswers='.$questionId.'&canClick:'.$canClick.'" width="600" height="'.$swf_height.'">\'
- + \'<param name="wmode" value="transparent">\'
- + \'<param name="movie" value="../plugin/hotspot/'.$swf_file.'.swf?modifyAnswers='.$questionId.'&canClick:'.$canClick.'" />\'
- + \'<\/object>\';
- document.write(oeTags); // embed the Flash Content SWF when all tests are passed
- } else { // flash is too old or we can\'t detect the plugin
- var alternateContent = "Error<br \/>"
- + "Hotspots requires Macromedia Flash 7.<br \/>"
- + "<a href=\"http://www.macromedia.com/go/getflash/\">Get Flash<\/a>";
- document.write(alternateContent); // insert non-flash content
- }
- </script>
- </td>
- <td valign="top" align="left">'.$answer_list.'</td></tr>
- </table>
- </td></tr>';
- $html .= $s;
- $html .= '</table>';
- return $html;
- }
- return $nbrAnswers;
- }
- /**
- * @param $exeId
- * @param $exercise_stat_info
- * @param $remindList
- * @param $currentQuestion
- * @return int|null
- */
- public static function getNextQuestionId($exeId, $exercise_stat_info, $remindList, $currentQuestion)
- {
- $result = get_exercise_results_by_attempt($exeId, 'incomplete');
- if (isset($result[$exeId])) {
- $result = $result[$exeId];
- } else {
- return null;
- }
- $data_tracking = $exercise_stat_info['data_tracking'];
- $data_tracking = explode(',', $data_tracking);
- // if this is the final question do nothing.
- if ($currentQuestion == count($data_tracking)) {
- return null;
- }
- $currentQuestion = $currentQuestion - 1;
- if (!empty($result['question_list'])) {
- $answeredQuestions = array();
- foreach ($result['question_list'] as $question) {
- if (!empty($question['answer'])) {
- $answeredQuestions[] = $question['question_id'];
- }
- }
- // Checking answered questions
- $counterAnsweredQuestions = 0;
- foreach ($data_tracking as $questionId) {
- if (!in_array($questionId, $answeredQuestions)) {
- if ($currentQuestion != $counterAnsweredQuestions) {
- break;
- }
- }
- $counterAnsweredQuestions++;
- }
- $counterRemindListQuestions = 0;
- // Checking questions saved in the reminder list
- if (!empty($remindList)) {
- foreach ($data_tracking as $questionId) {
- if (in_array($questionId, $remindList)) {
- // Skip the current question
- if ($currentQuestion != $counterRemindListQuestions) {
- break;
- }
- }
- $counterRemindListQuestions++;
- }
- if ($counterRemindListQuestions < $currentQuestion) {
- return null;
- }
- if (!empty($counterRemindListQuestions)) {
- if ($counterRemindListQuestions > $counterAnsweredQuestions) {
- return $counterAnsweredQuestions;
- } else {
- return $counterRemindListQuestions;
- }
- }
- }
- return $counterAnsweredQuestions;
- }
- }
- }
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