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579 lines
23 KiB
579 lines
23 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Question Pool
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* This script allows administrators to manage questions and add them into their exercises.
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* One question can be in several exercises
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* @package chamilo.exercise
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* @author Olivier Brouckaert
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* @author Julio Montoya adding support to query all questions from all session, courses, exercises
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*/
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// name of the language file that needs to be included
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$language_file='exercice';
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require_once 'exercise.class.php';
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require_once 'exercise.lib.php';
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require_once 'question.class.php';
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require_once 'answer.class.php';
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require_once '../inc/global.inc.php';
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require_once api_get_path(LIBRARY_PATH).'course.lib.php';
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require_once api_get_path(LIBRARY_PATH).'sessionmanager.lib.php';
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$this_section=SECTION_COURSES;
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$is_allowedToEdit=api_is_allowed_to_edit(null,true);
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if ( empty ( $delete ) ) {
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$delete = intval($_GET['delete']);
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}
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if ( empty ( $recup ) ) {
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$recup = intval($_GET['recup']);
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}
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if ( empty ( $fromExercise ) ) {
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$fromExercise = intval($_GET['fromExercise']);
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}
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if(isset($_GET['exerciseId'])){
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$exerciseId = intval($_GET['exerciseId']);
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}
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if(isset($_GET['exerciseLevel'])){
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$exerciseLevel = intval($_REQUEST['exerciseLevel']);
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}
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if(isset($_GET['answerType'])){
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$answerType = intval($_REQUEST['answerType']);
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}
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$page = 0;
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if(!empty($_GET['page'])){
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$page = intval($_GET['page']);
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}
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$copy_question = 0;
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if(!empty($_GET['copy_question'])){
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$copy_question = intval($_GET['copy_question']);
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}
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//only that type of question
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if(!empty($_GET['type'])){
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$type = intval($_GET['type']);
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}
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$session_id = intval($_GET['session_id']);
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$selected_course = intval($_GET['selected_course']);
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// maximum number of questions on a same page
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$limitQuestPage=50;
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// document path
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$documentPath=api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
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// picture path
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$picturePath=$documentPath.'/images';
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if(!($objExcercise instanceOf Exercise) && !empty($fromExercise)) {
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$objExercise = new Exercise();
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$objExercise->read($fromExercise);
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}
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if(!($objExcercise instanceOf Exercise) && !empty($exerciseId)) {
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$objExercise = new Exercise();
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$objExercise->read($exerciseId);
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}
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if ($is_allowedToEdit) {
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//Duplicating a Question
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if ($copy_question != 0 && isset($fromExercise)) {
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$origin_course_id = intval($_GET['course_id']);
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$origin_course_info = api_get_course_info_by_id($origin_course_id);
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$current_course = api_get_course_info();
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$old_question_id = $copy_question;
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//Reading the source question
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$old_question_obj = Question::read($old_question_id, $origin_course_id);
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$old_question_obj->updateTitle($old_question_obj->selectTitle().' - '.get_lang('Copy'));
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//Duplicating the source question, in the current course
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$new_id = $old_question_obj->duplicate($current_course);
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//Reading new question
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$new_question_obj = Question::read($new_id);
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$new_question_obj->addToList($fromExercise);
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//Reading Answers obj of the current course
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$new_answer_obj = new Answer($old_question_id, $origin_course_id);
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$new_answer_obj->read();
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//Duplicating the Answers in the current course
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$new_answer_obj->duplicate($new_id, $current_course);
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// destruction of the Question object
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unset($new_question_obj);
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unset($old_question_obj);
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if(!$objExcercise instanceOf Exercise) {
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$objExercise = new Exercise();
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$objExercise->read($fromExercise);
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}
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// adds the question ID represented by $recup into the list of questions for the current exercise
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//$objExercise->addToList($new_id);
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api_session_register('objExercise');
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header("Location: admin.php?".api_get_cidreq()."&exerciseId=$fromExercise");
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exit();
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}
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// deletes a question from the data base and all exercises
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if($delete) {
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// construction of the Question object
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// if the question exists
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if($objQuestionTmp = Question::read($delete))
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{
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// deletes the question from all exercises
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$objQuestionTmp->delete();
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}
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// destruction of the Question object
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unset($objQuestionTmp);
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} elseif($recup && $fromExercise) {
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// gets an existing question and copies it into a new exercise
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$objQuestionTmp = Question :: read($recup);
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// if the question exists
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if($objQuestionTmp = Question :: read($recup)) {
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// adds the exercise ID represented by $fromExercise into the list of exercises for the current question
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$objQuestionTmp->addToList($fromExercise);
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}
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// destruction of the Question object
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unset($objQuestionTmp);
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if(!$objExcercise instanceOf Exercise) {
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$objExercise = new Exercise();
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$objExercise->read($fromExercise);
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}
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// adds the question ID represented by $recup into the list of questions for the current exercise
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$objExercise->addToList($recup);
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api_session_register('objExercise');
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header("Location: admin.php?".api_get_cidreq()."&exerciseId=$fromExercise");
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exit();
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} else if( isset($_POST['recup']) && is_array($_POST['recup']) && $fromExercise) {
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$list_recup = $_POST['recup'];
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foreach ($list_recup as $recup) {
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$recup = intval($recup);
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// if the question exists
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if($objQuestionTmp = Question :: read($recup)) {
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// adds the exercise ID represented by $fromExercise into the list of exercises for the current question
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$objQuestionTmp->addToList($fromExercise);
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}
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// destruction of the Question object
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unset($objQuestionTmp);
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if(!$objExcercise instanceOf Exercise) {
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$objExercise = new Exercise();
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$objExercise->read($fromExercise);
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}
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// adds the question ID represented by $recup into the list of questions for the current exercise
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$objExercise->addToList($recup);
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}
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api_session_register('objExercise');
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header("Location: admin.php?".api_get_cidreq()."&exerciseId=$fromExercise");
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exit();
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}
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}
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if (isset($_SESSION['gradebook'])){
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$gradebook= $_SESSION['gradebook'];
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}
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if (!empty($gradebook) && $gradebook=='view') {
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$interbreadcrumb[]= array ('url' => '../gradebook/'.Security::remove_XSS($_SESSION['gradebook_dest']),'name' => get_lang('ToolGradebook'));
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}
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$nameTools=get_lang('QuestionPool');
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$interbreadcrumb[]=array("url" => "exercice.php","name" => get_lang('Exercices'));
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// if admin of course
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if (!$is_allowedToEdit) {
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api_not_allowed(true);
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}
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$htmlHeadXtra[] = ' <script type="text/javascript">
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function submit_form(obj) {
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document.question_pool.submit();
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}
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</script>';
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Display::display_header($nameTools,'Exercise');
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echo '<h3>'.$nameTools.'</h3>';
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echo '<div class="actions">';
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if (isset($type)) {
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$url = api_get_self().'?type=1';
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} else {
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$url = api_get_self();
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}
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echo '<form name="question_pool" method="GET" action="'.$url.'" style="display:inline;">';
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echo '<a href="admin.php?'.api_get_cidreq().'&exerciseId='.$fromExercise.'">'.Display::return_icon('back.png', get_lang('GoBackToQuestionList'),'','32').'</a>';
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/*if(!empty($fromExercise)) {
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echo '<a href="admin.php?',api_get_cidreq(),'&exerciseId=',$fromExercise,'">'.Display::return_icon('back.png', get_lang('GoBackToQuestionList')),get_lang('GoBackToQuestionList'),'</a>';
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} else {
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echo '<a href="admin.php?'.api_get_cidreq().'&newQuestion=yes">'.Display::return_icon('more.png'),get_lang('NewQu').'</a>';
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}*/
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if (isset($type)) {
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echo '<input type="hidden" name="type" value="1">';
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}
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//echo '<input type="hidden" name="cidReq" value="'.api_get_cidreq().'">';
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echo '<input type="hidden" name="fromExercise" value="'.$fromExercise.'">';
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//Session list
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$session_list = SessionManager::get_sessions_by_coach(api_get_user_id());
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$session_select_list = array();
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foreach($session_list as $item) {
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$session_select_list[$item['id']] = $item['name'];
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}
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echo get_lang('Session').' ';
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echo Display::select('session_id', $session_select_list, $session_id, array('onchange'=>'submit_form(this);'));
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//Course list
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if (!empty($session_id) && $session_id != '-1') {
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$course_list = SessionManager::get_course_list_by_session_id($session_id);
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} else {
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$course_list = CourseManager::get_course_list_of_user_as_course_admin(api_get_user_id());
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}
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$course_select_list = array();
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foreach ($course_list as $item) {
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$course_select_list[$item['id']] = $item['title'];
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}
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echo ' '.get_lang('Course').' ';
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echo Display::select('selected_course', $course_select_list, $selected_course, array('onchange'=>'submit_form(this);'));
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if (empty($selected_course) || $selected_course == '-1') {
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$course_info = api_get_course_info();
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$db_name = $course_info['db_name'];
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} else {
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$course_info = CourseManager::get_course_information_by_id($selected_course);
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$db_name = $course_info['db_name'];
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}
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//Redefining table calls
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$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION, $db_name);
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$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST, $db_name);
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$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION, $db_name);
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$TBL_REPONSES = Database::get_course_table(TABLE_QUIZ_ANSWER, $db_name);
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$exercise_list = get_all_exercises($course_info, $session_id);
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echo '<input type="hidden" name="fromExercise" value="'.$fromExercise.'">';
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echo '<br/>';
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//Exercise List
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echo ' '.get_lang('Exercice').' ';
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$my_exercise_list = array();
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$my_exercise_list['0'] = get_lang('AllExercises');
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$my_exercise_list['-1'] = get_lang('OrphanQuestions');
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if (is_array($exercise_list)) {
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foreach($exercise_list as $row) {
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if ($row['id'] != $fromExercise) {
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$my_exercise_list[$row['id']] = $row['title'];
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}
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}
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}
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echo Display::select('exerciseId', $my_exercise_list, $exerciseId, array('onchange'=>'submit_form(this);'), false);
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echo ' '.get_lang('Difficulty').' ';
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//Difficulty list (only from 1 to 5)
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echo Display::select('exerciseLevel', array(1=>1,2=>2,3=>3,4=>4,5=>5), $exerciseLevel, array('onchange'=>'submit_form(this);'));
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$question_list = Question::get_types_information();
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$new_question_list = array();
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foreach($question_list as $key=>$item) {
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$new_question_list[$key] = get_lang($item[1]);
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}
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//Answer type list
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echo ' '.get_lang('AnswerType').' ';
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echo Display::select('answerType', $new_question_list, $answerType, array('onchange'=>'submit_form(this);'));
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?>
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<button class="save" type="submit" name="name" value="<?php echo get_lang('Ok') ?>"><?php echo get_lang('Filter') ?></button>
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</form>
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</div>
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<form method="post" action="<?php echo $url.'?'.api_get_cidreq().'&fromExercise='.$fromExercise; ?>" >
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<?php
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echo '<table class="data_table">';
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$from=$page*$limitQuestPage;
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// if we have selected an exercise in the list-box 'Filter'
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if ($exerciseId > 0) {
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//$sql="SELECT id,question,type FROM $TBL_EXERCICE_QUESTION,$TBL_QUESTIONS WHERE question_id=id AND exercice_id='".Database::escape_string($exerciseId)."' ORDER BY question_order LIMIT $from, ".($limitQuestPage + 1);
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$where = '';
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if (isset($type) && $type==1) {
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$where = ' type = 1 AND ';
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}
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if (isset($exerciseLevel) && $exerciseLevel != -1) {
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$where .= ' level='.$exerciseLevel.' AND ';
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}
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if (isset($answerType) && $answerType != -1) {
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$where .= ' type='.$answerType.' AND ';
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}
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$sql="SELECT id,question,type,level
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FROM $TBL_EXERCICE_QUESTION,$TBL_QUESTIONS
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WHERE $where question_id=id AND exercice_id='".Database::escape_string($exerciseId)."'
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ORDER BY question_order";
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$result=Database::query($sql);
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while($row = Database::fetch_array($result, 'ASSOC')) {
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$main_question_list[] = $row;
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}
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} elseif($exerciseId == -1) {
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// if we have selected the option 'Orphan questions' in the list-box 'Filter'
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// 1. Old logic: When a test is deleted, the correspondent records in 'quiz' and 'quiz_rel_question' tables are deleted.
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//$sql='SELECT id, question, type, exercice_id FROM '.$TBL_QUESTIONS.' as questions LEFT JOIN '.$TBL_EXERCICE_QUESTION.' as quizz_questions ON questions.id=quizz_questions.question_id WHERE exercice_id IS NULL LIMIT $from, '.($limitQuestPage + 1);
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// 2. New logic: When a test is deleted, the field 'active' takes value -1 (it is in the correspondent record in 'quiz' table).
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//$sql='SELECT questions.id, questions.question, questions.type, quizz_questions.exercice_id FROM '.$TBL_QUESTIONS.
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// ' as questions LEFT JOIN '.$TBL_EXERCICE_QUESTION.' as quizz_questions ON questions.id=quizz_questions.question_id LEFT JOIN '.$TBL_EXERCICES.
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// ' as exercices ON exercice_id=exercices.id WHERE exercices.active = -1 LIMIT $from, '.($limitQuestPage + 1);
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// 3. This is more safe to changes, it is a mix between old and new logic.
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/*$sql='SELECT questions.id, questions.question, questions.type, quizz_questions.exercice_id FROM '.$TBL_QUESTIONS.
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' as questions LEFT JOIN '.$TBL_EXERCICE_QUESTION.' as quizz_questions ON questions.id=quizz_questions.question_id LEFT JOIN '.$TBL_EXERCICES.
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' as exercices ON exercice_id=exercices.id WHERE quizz_questions.exercice_id IS NULL OR exercices.active = -1 LIMIT '.$from.', '.($limitQuestPage + 1);
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*/
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/* 4. Query changed because of the Level feature implemented
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$sql='SELECT id, question, type, exercice_id,level FROM '.$TBL_QUESTIONS.' as questions LEFT JOIN '.$TBL_EXERCICE_QUESTION.' as quizz_questions
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ON questions.id=quizz_questions.question_id AND exercice_id IS NULL '.
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(!is_null($exerciseLevel) && $exerciseLevel >= 0 ? 'WHERE level=\''.$exerciseLevel.'\' ' : '');
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*/
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// 5. this is the combination of the 3 and 4 query because of the level feature implementation
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// we filter the type of question, because in the DirectFeedback we can only add questions with type=1 = UNIQUE_ANSWER
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$type_where= '';
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if (isset($type) && $type==1) {
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$type_where = ' AND questions.type = 1 ';
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}
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$level_where = '';
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if (isset($exerciseLevel) && $exerciseLevel!= -1 ) {
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$level_where = ' level='.$exerciseLevel.' AND ';
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}
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$answer_where = '';
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if (isset($answerType) && $answerType!= -1 ) {
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$answer_where = ' questions.type='.$answerType.' AND ';
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}
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$sql='SELECT questions.id, questions.question, questions.type, quizz_questions.exercice_id , level, session_id
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FROM '.$TBL_QUESTIONS.' as questions LEFT JOIN '.$TBL_EXERCICE_QUESTION.' as quizz_questions
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ON questions.id=quizz_questions.question_id LEFT JOIN '.$TBL_EXERCICES.' as exercices
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ON exercice_id=exercices.id
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WHERE '.$answer_where.' '.$level_where.' (quizz_questions.exercice_id IS NULL OR exercices.active = -1 ) '.$type_where.'
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LIMIT '.$from.', '.($limitQuestPage + 1);
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} else {
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// if we have not selected any option in the list-box 'Filter'
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//$sql="SELECT id,question,type FROM $TBL_QUESTIONS LIMIT $from, ".($limitQuestPage + 1);
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$filter = '';
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if (isset($type) && $type==1){
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$filter .= ' AND qu.type = 1 ';
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}
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if (isset($exerciseLevel) && $exerciseLevel != -1) {
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$filter .= ' AND level='.$exerciseLevel.' ';
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}
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if (isset($answerType) && $answerType != -1) {
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$filter .= ' AND qu.type='.$answerType.' ';
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}
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$new_limit_page = $limitQuestPage + 1;
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if ($session_id != 0) {
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$main_question_list = array();
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if (!empty($course_list))
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foreach ($course_list as $course_item) {
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if (!empty($selected_course) && $selected_course != '-1') {
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if ($selected_course != $course_item['id']) {
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continue;
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}
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}
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$exercise_list = get_all_exercises($course_item, $session_id);
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//var_dump($exercise_list );
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if (!empty($exercise_list)) {
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foreach ($exercise_list as $exercise) {
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$my_exercise = new Exercise($course_item['id']);
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$my_exercise->read($exercise['id']);
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if (!empty($my_exercise)) {
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if (!empty($my_exercise->questionList)) {
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foreach ($my_exercise->questionList as $question_id) {
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$question_obj = Question::read($question_id, $course_item['id']);
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if ($exerciseLevel != '-1')
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if ($exerciseLevel != $question_obj->level) {
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continue;
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}
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if ($answerType != '-1')
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if ($answerType != $question_obj->type) {
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continue;
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}
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$question_row = array('id'=>$question_obj->id, 'question'=>$question_obj->question, 'type'=>$question_obj->type, 'level'=>$question_obj->level, 'exercise_id'=>$exercise['id']);
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$main_question_list[] = $question_row;
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}
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}
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}
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}
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}
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}
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} else {
|
|
//By default
|
|
$sql="SELECT qu.id, question, qu.type, level, q.session_id FROM $TBL_QUESTIONS as qu, $TBL_EXERCICE_QUESTION as qt, $TBL_EXERCICES as q
|
|
WHERE q.id=qt.exercice_id AND qu.id=qt.question_id AND qt.exercice_id<>".$fromExercise." $filter ORDER BY session_id ASC LIMIT $from, $new_limit_page";
|
|
}
|
|
// forces the value to 0
|
|
//echo $sql;
|
|
$exerciseId=0;
|
|
}
|
|
|
|
$result=Database::query($sql);
|
|
//$nbrQuestions=Database::num_rows($result);
|
|
$nbrQuestions=count($main_question_list);
|
|
|
|
echo '<tr>',
|
|
'<td colspan="',($fromExercise?4:4),'">',
|
|
'<table border="0" cellpadding="0" cellspacing="0" width="100%">',
|
|
'<tr>',
|
|
'<td>';
|
|
echo '</td>',
|
|
'<td align="right">';
|
|
|
|
if(!empty($page)) {
|
|
echo '<a href="',api_get_self(),'?',api_get_cidreq(),'&exerciseId=',$exerciseId,'&fromExercise=',$fromExercise,'&page=',($page-1),'&answerType=',$answerType,'&exerciseLevel='.$exerciseLevel.'">';
|
|
echo Display::return_icon('action_prev.png');
|
|
echo ' '.get_lang('PreviousPage'),'</a> | ';
|
|
|
|
} elseif($nbrQuestions > $limitQuestPage) {
|
|
echo Display::return_icon('action_prev_na.png');
|
|
echo ' '.get_lang('PreviousPage'),' | ';
|
|
}
|
|
|
|
if($nbrQuestions > $limitQuestPage) {
|
|
echo '<a href="',api_get_self(),'?',api_get_cidreq(),'&exerciseId=',$exerciseId,'&fromExercise=',$fromExercise,'&page=',($page+1),'&answerType=',$answerType,'&exerciseLevel='.$exerciseLevel.'">',get_lang('NextPage').' ';
|
|
echo Display::return_icon('action_next.png');
|
|
echo '</a>';
|
|
|
|
} elseif($page) {
|
|
echo get_lang('NextPage');
|
|
echo ' '.Display::return_icon('action_next_na.png');
|
|
}
|
|
echo '</td>
|
|
</tr>
|
|
</table>
|
|
</td>
|
|
</tr>
|
|
<tr bgcolor="#e6e6e6">';
|
|
|
|
if(!empty($fromExercise)) {
|
|
if (api_get_session_id() == 0 ){
|
|
echo '<th width="4%"> </th>';
|
|
}
|
|
echo '<th>',get_lang('Question'),'</th>',
|
|
'<th>',get_lang('Level'),'</th>',
|
|
'<th>',get_lang('Reuse'),'</th>';
|
|
} else {
|
|
echo '<td width="60%" align="center">',get_lang('Question'),'</td>',
|
|
'<td width="20%" align="center">',get_lang('Modify'),'</td>',
|
|
'<td width="16%" align="center">',get_lang('Delete'),'</td>';
|
|
}
|
|
echo '</tr>';
|
|
$i=1;
|
|
|
|
$session_id = api_get_session_id();
|
|
if (!empty($main_question_list))
|
|
foreach ($main_question_list as $row) {
|
|
|
|
|
|
// if we come from the exercise administration to get a question,
|
|
// don't show the questions already used by that exercise
|
|
|
|
/*if (!$fromExercise) {echo '1'; }
|
|
if (!isset($objExercise)){echo '2';}
|
|
if (!($objExercise instanceOf Exercise)){echo '3';}
|
|
if (!$objExercise->isInList($row['id'])) {echo '4';}
|
|
*/
|
|
|
|
// original recipe -
|
|
//if (!$fromExercise || !isset($objExercise) || !($objExercise instanceOf Exercise) || (!$objExercise->isInList($row['id'])))
|
|
if (!$fromExercise || !isset($objExercise) || !($objExercise instanceOf Exercise) || (is_array($objExercise->questionList)) ) {
|
|
echo '<tr ',($i%2==0?'class="row_odd"':'class="row_even"'),'>';
|
|
if (api_get_session_id() == 0 ){
|
|
echo '<td align="center"> <input type="checkbox" value="'.$row['id'].'" name="recup[]"/></td>';
|
|
}
|
|
echo ' <td><a href="admin.php?',api_get_cidreq(),'&editQuestion=',$row['id'],'&fromExercise='.$fromExercise.'&answerType='.$row['type'].'">',$row['question'],'</a></td>';
|
|
echo ' <td align="center" >';
|
|
if (empty($fromExercise)) {
|
|
echo '<a href="admin.php?'.api_get_cidreq().'&editQuestion=',$row['id'],'"><img src="../img/edit.gif" border="0" alt="',get_lang('Modify'),'"></a>',
|
|
'</td>',
|
|
'<td align="center">',
|
|
'<a href="',api_get_self(),'?',api_get_cidreq(),'&exerciseId=',$exerciseId,'&delete=',$row['id'],'" onclick="javascript:if(!confirm(\'',addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)),'\')) return false;"><img src="../img/delete.gif" border="0" alt="',get_lang('Delete'),'"></a>';
|
|
//'<a href="',api_get_self(),'?',api_get_cidreq(),'&exerciseId=',$exerciseId,'&delete=',$row['id'],'" onclick="javascript:if(!confirm(\'',addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)),'\')) return false;"><img src="../img/delete.gif" border="0" alt="',get_lang('Delete'),'"></a>';
|
|
} else {
|
|
echo $row['level'],'</td>',
|
|
'<td align="center">';
|
|
echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&copy_question='.$row['id'].'&course_id='.$selected_course.'&fromExercise=',$fromExercise,'">';
|
|
echo ' '.Display::return_icon('cd.gif', get_lang('ReUseACopyInCurrentTest'));
|
|
echo '</a> ';
|
|
if ($row['session_id'] == $session_id) {
|
|
if ($selected_course == api_get_course_int_id()) {
|
|
echo '<a href="',api_get_self(),'?',api_get_cidreq(),'&recup=',$row['id'],'&fromExercise=',$fromExercise,'"><img src="../img/view_more_stats.gif" border="0" title="'.get_lang('InsertALinkToThisQuestionInTheExercise').'" alt="'.get_lang('InsertALinkToThisQuestionInTheExercise').'"></a>';
|
|
}
|
|
}
|
|
|
|
}
|
|
echo '</td>';
|
|
echo '</tr>';
|
|
|
|
// skips the last question, that is only used to know if we have or not to create a link "Next page"
|
|
if($i == $limitQuestPage) {
|
|
break;
|
|
}
|
|
$i++;
|
|
}
|
|
}
|
|
|
|
if (!$nbrQuestions) {
|
|
echo '<tr>',
|
|
'<td colspan="',($fromExercise?4:4),'">',get_lang('NoQuestion'),'</td>',
|
|
'</tr>';
|
|
}
|
|
echo '</table>';
|
|
|
|
if (api_get_session_id() == 0 ){
|
|
echo '<div style="width:100%; border-top:1px dotted #4171B5;">
|
|
<button class="save" type="submit">'.get_lang('Reuse').'</button>
|
|
</div></form>';
|
|
}
|
|
Display::display_footer();
|
|
|