}
$dialogBox = new DialogBox();
/*
* Execute commands
*/
// use question in exercise
if ($cmd == 'rqUse' && !is_null($quId) && !is_null($exId)) {
if ($exercise->addQuestion($quId)) {
// TODO show confirmation and back link
header('Location: ' . Url::Contextualize('edit_exercise.php?exId=' . $exId));
}
}
// delete question
if ($cmd == 'delQu' && !is_null($quId)) {
$question = new Question();
if ($question->load($quId)) {
if (!$question->delete()) {
// TODO show confirmation and list
}
}
}
// export question
if ($cmd == 'exExport' && get_conf('enableExerciseExportQTI')) {
require_once '../export/qti2/qti2_export.php';
require_once get_path('incRepositorySys') . '/lib/fileManage.lib.php';
require_once get_path('incRepositorySys') . '/lib/file.lib.php';
require_once get_path('incRepositorySys') . '/lib/thirdparty/pclzip/pclzip.lib.php';
$question = new Qti2Question();
$question->load($quId);
// contruction of XML flow
$xml = $question->export();
}
if (isset($_REQUEST['exId']) && is_numeric($_REQUEST['exId'])) {
$exId = (int) $_REQUEST['exId'];
} else {
$exId = null;
}
if (isset($_REQUEST['quId']) && is_numeric($_REQUEST['quId'])) {
$quId = (int) $_REQUEST['quId'];
} else {
$quId = null;
}
/*
* Init other vars
*/
$question = new Question();
if (is_null($quId) || !$question->load($quId)) {
header('Location: ' . Url::Contextualize('../exercise.php'));
exit;
}
if (!is_null($exId)) {
$exercise = new Exercise();
// if exercise cannot be load set exId to null , it probably don't exist
if (!$exercise->load($exId)) {
$exId = null;
}
}
$askDuplicate = false;
// do not duplicate when there is no $exId, it means that we modify the question from pool
// do not duplicate when there is no $quId, it means that question is a new one
// check that question is used in several exercises
if (count_exercise_using_question($quId) > 1 && !is_null($quId) && !is_null($exId)) {
/**
* @return string csv data or empty string
*/
function export_question_tracking($quId, $exId = '')
{
$question = new Question();
if (!$question->load($quId)) {
return "";
}
switch ($question->getType()) {
case 'TF':
$csvTrack = new CsvTrackTrueFalse($question, $exId);
break;
case 'MCUA':
case 'MCMA':
$csvTrack = new CsvTrackMultipleChoice($question, $exId);
break;
case 'FIB':
$csvTrack = new CsvTrackFIB($question, $exId);
break;
case 'MATCHING':
$csvTrack = new CsvTrackMatching($question, $exId);
break;
default:
break;
}
if (isset($csvTrack)) {
$csvTrack->buildRecords();
return $csvTrack->export();
} else {
return "";
}
}
}
unset($questionObj);
}
} elseif (isset($loadRandomQuestionsList) && is_array($loadRandomQuestionsList)) {
$questionList = array();
if (isset($loadRandomQuestionsList['questions']) && is_array($loadRandomQuestionsList['questions'])) {
$questions = $loadRandomQuestionsList['questions'];
} elseif (is_array($loadRandomQuestionsList)) {
$questions = $loadRandomQuestionsList;
} else {
$questions = array();
}
foreach ($questions as $question) {
$questionObj = new Question();
$questionObj->setExerciseId($exId);
if ($questionObj->load($question['id'])) {
$_SESSION['serializedQuestionList'][] = serialize($questionObj);
$questionList[] = $questionObj;
}
}
} else {
$questionList = array();
foreach ($_SESSION['serializedQuestionList'] as $serializedQuestion) {
$questionList[] = unserialize($serializedQuestion);
}
}
$questionCount = count($questionList);
$now = time();
if (!isset($_SESSION['exeStartTime'])) {
if ($startExercise) {
$_SESSION['exeStartTime'] = $now;
}
if (isset($_REQUEST['exId']) && is_numeric($_REQUEST['exId'])) {
$exId = (int) $_REQUEST['exId'];
} else {
$exId = null;
}
if (isset($_REQUEST['quId']) && is_numeric($_REQUEST['quId'])) {
$quId = (int) $_REQUEST['quId'];
} else {
$quId = null;
}
/*
* Init other vars
*/
$question = new Question();
if (!is_null($quId) && !$question->load($quId)) {
// question cannot be load, display new question creation form
$cmd = 'rqEdit';
$quId = null;
}
if (!is_null($exId)) {
$exercise = new Exercise();
// if exercise cannot be load set exId to null , it probably don't exist
if (!$exercise->load($exId)) {
$exId = null;
}
}
$askDuplicate = false;
// quId and exId have been specified and load operations worked
if (!is_null($quId) && !is_null($exId)) {
// do not duplicate when there is no $exId,
$titleTab['mainTitle'] = $nameTools;
// Command list
$cmdList = array();
$cmdList[] = array('img' => 'back', 'name' => get_lang('Back'), 'url' => claro_htmlspecialchars(Url::Contextualize('./track_exercises.php?exId=' . $exId . $src)));
$out .= claro_html_tool_title($titleTab, null, $cmdList);
// build back link
$backLink = "\n\n" . '<a class="backLink" href="' . claro_htmlspecialchars(Url::Contextualize('./track_exercises.php?exId=' . $exId . $src)) . '">' . get_lang('Back') . '</a>' . "\n\n";
if ($is_allowedToTrack && get_conf('is_trackingEnabled')) {
$out .= "\n" . '<table width="100%" border="0" cellpadding="1" cellspacing="0" class="claroTable">' . "\n";
if (count($questionIdsToShow) > 1) {
$questionIterator = 1;
}
foreach ($questionIdsToShow as $questionId) {
// get infos about the question
$question = new Question();
if (!$question->load($questionId)) {
break;
}
// prepare list to display
if ($question->getType() == 'MCUA' || $question->getType() == 'MCMA') {
// get the list of all possible answer and the number of times it was choose
$sql = "SELECT `TEA`.`answer`, COUNT(`TEA`.`answer`) as `nbr`\n FROM `" . $tbl_qwz_tracking . "` AS `TE`\n LEFT JOIN `" . $tbl_qwz_tracking_questions . "` AS `TED`\n ON `TED`.`exercise_track_id` = `TE`.`id`\n LEFT JOIN `" . $tbl_qwz_tracking_answers . "` AS `TEA`\n ON `TEA`.`details_id` = `TED`.`id`\n WHERE `TED`.`question_id` = " . (int) $questionId . "\n AND `TE`.`exo_id` = " . (int) $exId . "\n GROUP BY `TEA`.`answer`";
$trackedAnswers = claro_sql_query_fetch_all($sql);
// we need to know the total number of answer given
$multipleChoiceTotal = 0;
$i = 0;
foreach ($question->answer->answerList as $answer) {
$results[$i] = $answer;
$results[$i]['nbr'] = 0;
foreach ($trackedAnswers as $trackedAnswer) {
if ($results[$i]['answer'] == $trackedAnswer['answer']) {
