/**
* Create files (quiz) needed in the export of this module
*
* @copyright (c) 2001-2011, Universite catholique de Louvain (UCL)
* @param int $quizId id of the Quiz
* @param object $item item of the path
* @param string $destDir path when the files need to be copied
* @param int $deepness deepness of the destinationd directory
* @return boolean
*/
public function prepareFiles($quizId, &$item, $destDir, $deepness)
{
$completionThresold = $item->getCompletionThreshold();
if (empty($completionThresold)) {
$completionThresold = 50;
}
$quizId = (int) $quizId;
$quiz = new Exercise();
if (!$quiz->load($quizId)) {
$this->error[] = get_lang('Unable to load the exercise');
return false;
}
$deep = '';
if ($deepness) {
for ($i = $deepness; $i > 0; $i--) {
$deep .= ' ../';
}
}
// Generate standard page header
$pageHeader = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>' . $quiz->getTitle() . '</title>
<meta http-equiv="expires" content="Tue, 05 DEC 2000 07:00:00 GMT">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Content-Type" content="text/HTML; charset=' . get_locale('charset') . '" />
<link rel="stylesheet" type="text/css" href="' . $deep . get_conf('claro_stylesheet') . '/main.css" media="screen, projection, tv" />
<script language="javascript" type="text/javascript" src="' . $deep . 'js/jquery.js"></script>
<script language="javascript" type="text/javascript" src="' . $deep . 'js/claroline.js"></script>
<script language="javascript" type="text/javascript" src="' . $deep . 'js/claroline.ui.js"></script>
<script language="javascript" type="text/javascript" src="' . $deep . 'js/APIWrapper.js"></script>
<script language="javascript" type="text/javascript" src="' . $deep . 'js/connector13.js"></script>
<script language="javascript" type="text/javascript" src="' . $deep . 'js/scores.js"></script>
</head>
' . "\n";
$pageBody = '<body onload="loadPage()">
<div id="claroBody"><form id="quiz">
<table width="100%" border="0" cellpadding="1" cellspacing="0" class="claroTable">' . "\n";
// Get the question list
$questionList = $quiz->getQuestionList();
$questionCount = count($questionList);
// Keep track of raw scores (ponderation) for each question
$questionPonderationList = array();
// Keep track of correct texts for fill-in type questions
// TODO La variable $fillAnswerList n'apparaît qu'une fois
$fillAnswerList = array();
// Display each question
$questionCount = 0;
foreach ($questionList as $question) {
// Update question number
$questionCount++;
// read the question, abort on error
$scormQuestion = new ScormQuestion();
if (!$scormQuestion->load($question['id'])) {
$this->error[] = get_lang('Unable to load exercise\'s question');
return false;
}
$questionPonderationList[] = $scormQuestion->getGrade();
$pageBody .= '<thead>' . "\n" . '<tr>' . "\n" . '<th>' . get_lang('Question') . ' ' . $questionCount . '</th>' . "\n" . '</tr>' . "\n" . '</thead>' . "\n";
$pageBody .= '<tr>' . "\n" . '<td>' . "\n" . $scormQuestion->export() . "\n" . '</td>' . "\n" . '</tr>' . "\n";
}
$pageEnd = '
<tr>
<td align="center"><br /><input type="button" value="' . get_lang('Ok') . '" onclick="calcScore()" /></td>
</tr>
</table>
</form>
</div></body></html>' . "\n";
/* Generate the javascript that'll calculate the score
* We have the following variables to help us :
* $idCounter : number of elements to check. their id are "scorm_XY"
* $raw_to_pass : score (on 100) needed to pass the quiz
* $fillAnswerList : a list of arrays (text, score) indexed on <input>'s names
*
*/
$pageHeader .= '
<script type="text/javascript" language="javascript">
var raw_to_pass = '******';
var weighting = ' . array_sum($questionPonderationList) . ';
var rawScore;
var scoreCommited = false;
var showScore = true;
var fillAnswerList = new Array();' . "\n";
// This is the actual code present in every exported exercise.
// use claro_html_entity_decode in output to prevent double encoding errors with some languages...
$pageHeader .= '
function calcScore()
{
if( !scoreCommited )
{
rawScore = CalculateRawScore(document, ' . getIdCounter() . ', fillAnswerList);
var score = Math.max(Math.round(rawScore * 100 / weighting), 0);
var oldScore = doLMSGetValue("cmi.score.raw");
doLMSSetValue("cmi.score.max", weighting);
doLMSSetValue("cmi.score.min", 0);
computeTime();
if (score > oldScore) // Update only if score is better than the previous time.
{
doLMSSetValue("cmi.raw", rawScore);
}
var oldStatus = doLMSGetValue( "cmi.completion_status" )
if (score >= raw_to_pass)
{
doLMSSetValue("cmi.completion_status", "completed");
}
else if (oldStatus != "completed" ) // If passed once, never mark it as failed.
{
doLMSSetValue("cmi.completion_status", "failed");
}
doLMSCommit();
doLMSFinish();
scoreCommited = true;
if(showScore) alert(\'' . clean_str_for_javascript(claro_html_entity_decode(get_lang('Score'))) . ' :\\n\' + rawScore + \'/\' + weighting );
}
}
</script>
';
// Construct the HTML file and save it.
$filename = "quiz_" . $quizId . ".html";
$pageContent = $pageHeader . $pageBody . $pageEnd;
if (!($f = fopen($destDir . '/' . $filename, 'w'))) {
$this->error = get_lang('Unable to create file : ') . $filename;
return false;
}
fwrite($f, $pageContent);
fclose($f);
return true;
}
/**
* Export the question part as a matrix-choice, with only one possible answer per line.
* @author Amand Tihon <*****@*****.**>
*/
function export()
{
// prepare list of right proposition to allow
// - easiest display
// - easiest randomisation if needed one day
// (here I use array_values to change array keys from $code1 $code2 ... to 0 1 ...)
$displayedRightList = array_values($this->rightList);
// get max length of displayed array
$arrayLength = max(count($this->leftList), count($this->rightList));
$out = '<table width="100%">' . "\n\n";
$leftCpt = 1;
$rightCpt = 'A';
for ($i = 0; $i < $arrayLength; $i++) {
if (isset($this->leftList[$i]['answer'])) {
// build html option list
$optionList = array();
$optionCpt = 'A';
$optionList[0] = '--';
foreach ($this->rightList as $rightElt) {
$optionList[$optionCpt] = $this->leftList[$i]['grade'];
$optionCpt++;
}
$leftHtml = $leftCpt . '. ' . $this->leftList[$i]['answer'];
$attr['id'] = 'scorm_' . getIdCounter();
$centerHtml = claro_html_form_select('matching_' . $this->questionId . '_' . $this->leftList[$i]['code'], $optionList, null, $attr);
} else {
$leftHtml = ' ';
$centerHtml = ' ';
}
if (isset($displayedRightList[$i]['answer'])) {
$rightHtml = $rightCpt . '. ' . $displayedRightList[$i]['answer'];
} else {
$rightHtml = ' ';
}
$out .= '<tr>' . "\n" . '<td valign="top" width="40%">' . "\n" . $leftHtml . "\n" . '</td>' . "\n" . '<td valign="top" width="20%">' . "\n" . $centerHtml . "\n" . '</td>' . "\n" . '<td valign="top" width="40%">' . "\n" . $rightHtml . "\n" . '</td>' . "\n" . '</tr>' . "\n\n";
$leftCpt++;
$rightCpt++;
}
$out .= '</table>' . "\n" . '<p><small>' . get_lang('Matching') . '</small></p>' . "\n";
return $out;
}
/**
* Exports an exercise as a SCO.
* This method is intended to be called from the prepare method.
*
*@note There's a lot of nearly cut-and-paste from exercise.lib.php here
* because of some little differences...
* Perhaps something that could be refactorised ?
*
* @see prepare
* @param $quizId The quiz
* @param $raw_to_pass The needed score to attain
* @return False on error, True if everything went well.
* @author Amand Tihon <*****@*****.**>
*/
public function prepareQuiz($quizId, $raw_to_pass = 50)
{
global $claro_stylesheet;
// those two variables are needed by display_attached_file()
global $attachedFilePathWeb;
global $attachedFilePathSys;
$attachedFilePathWeb = 'Exercises';
$attachedFilePathSys = $this->destDir . '/Exercises';
// read the exercise
$quiz = new Exercise();
if (!$quiz->load($quizId)) {
$this->error[] = get_lang('Unable to load the exercise');
return false;
}
// Generate standard page header
$pageHeader = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>' . $quiz->getTitle() . '</title>
<meta http-equiv="expires" content="Tue, 05 DEC 2000 07:00:00 GMT">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Content-Type" content="text/HTML; charset=' . get_locale('charset') . '" />
<link rel="stylesheet" type="text/css" href="' . get_conf('claro_stylesheet') . '/main.css" media="screen, projection, tv" />
<script language="javascript" type="text/javascript" src="jquery.js"></script>
<script language="javascript" type="text/javascript" src="claroline.js"></script>
<script language="javascript" type="text/javascript" src="claroline.ui.js"></script>
<script language="javascript" type="text/javascript" src="APIWrapper.js"></script>
<script language="javascript" type="text/javascript" src="scores.js"></script>
' . "\n";
$pageBody = '<body onload="loadPage()">
<div id="claroBody"><form id="quiz">
<table width="100%" border="0" cellpadding="1" cellspacing="0" class="claroTable">' . "\n";
// Get the question list
$questionList = $quiz->getQuestionList();
$questionCount = count($questionList);
// Keep track of raw scores (ponderation) for each question
$questionPonderationList = array();
// Keep track of correct texts for fill-in type questions
// TODO La variable $fillAnswerList n'appara�t qu'une fois
$fillAnswerList = array();
// Display each question
$questionCount = 0;
foreach ($questionList as $question) {
// Update question number
$questionCount++;
// read the question, abort on error
$scormQuestion = new ScormQuestion();
if (!$scormQuestion->load($question['id'])) {
$this->error[] = get_lang('Unable to load exercise\'s question');
return false;
}
$questionPonderationList[] = $scormQuestion->getGrade();
$pageBody .= '<tr class="headerX">' . "\n" . '<th>' . get_lang('Question') . ' ' . $questionCount . '</th>' . "\n" . '</tr>' . "\n";
$pageBody .= '<tr>' . "\n" . '<td>' . "\n" . $scormQuestion->export() . "\n" . '</td>' . "\n" . '</tr>' . "\n";
/*
if( !empty($scormQuestion->getAttachment()) )
{
// copy the attached file
if ( !claro_copy_file($this->srcDirExercise . '/' . $attachedFile, $this->destDir . '/Exercises') )
{
$this->error[] = get_lang('Unable to copy file : %filename', array ( '%filename' => $attachedFile ));
return false;
}
// Ok, if it was an mp3, we need to copy the flash mp3-player too.
$extension=substr(strrchr($attachedFile, '.'), 1);
if ( $extension == 'mp3') $this->mp3Found = true;
$pageBody .= '<tr><td colspan="2">' . display_attached_file($attachedFile) . '</td></tr>' . "\n";
}
*/
/*
* Display the possible answers
*/
// End of the question
}
// foreach($questionList as $questionId)
// No more questions, add the button.
$pageEnd = '
<tr>
<td align="center"><br /><input type="button" value="' . get_lang('Ok') . '" onclick="calcScore()" /></td>
</tr>
</table>
</form>
</div></body></html>' . "\n";
/* Generate the javascript that'll calculate the score
* We have the following variables to help us :
* $idCounter : number of elements to check. their id are "scorm_XY"
* $raw_to_pass : score (on 100) needed to pass the quiz
* $fillAnswerList : a list of arrays (text, score) indexed on <input>'s names
*
*/
$pageHeader .= '
<script type="text/javascript" language="javascript">
var raw_to_pass = '******';
var weighting = ' . array_sum($questionPonderationList) . ';
var rawScore;
var scoreCommited = false;
var showScore = true;
var fillAnswerList = new Array();' . "\n";
// This is the actual code present in every exported exercise.
// use claro_html_entity_decode in output to prevent double encoding errors with some languages...
$pageHeader .= '
function calcScore()
{
if( !scoreCommited )
{
rawScore = CalculateRawScore(document, ' . getIdCounter() . ', fillAnswerList);
var score = Math.max(Math.round(rawScore * 100 / weighting), 0);
var oldScore = doLMSGetValue("cmi.core.score.raw");
doLMSSetValue("cmi.core.score.max", weighting);
doLMSSetValue("cmi.core.score.min", 0);
computeTime();
if (score > oldScore) // Update only if score is better than the previous time.
{
doLMSSetValue("cmi.core.score.raw", rawScore);
}
var mode = doLMSGetValue( "cmi.core.lesson_mode" );
if ( mode != "review" && mode != "browse" )
{
var oldStatus = doLMSGetValue( "cmi.core.lesson_status" )
if (score >= raw_to_pass)
{
doLMSSetValue("cmi.core.lesson_status", "passed");
}
else if (oldStatus != "passed" ) // If passed once, never mark it as failed.
{
doLMSSetValue("cmi.core.lesson_status", "failed");
}
}
doLMSCommit();
doLMSFinish();
scoreCommited = true;
if(showScore) alert(\'' . clean_str_for_javascript(claro_html_entity_decode(get_lang('Score'))) . ' :\\n\' + rawScore + \'/\' + weighting );
}
}
</script>
';
// Construct the HTML file and save it.
$filename = "quiz_" . $quizId . ".html";
$pageContent = $pageHeader . $pageBody . $pageEnd;
if (!($f = fopen($this->destDir . '/' . $filename, 'w'))) {
$this->error[] = get_lang('Unable to create file : ') . $filename;
return false;
}
fwrite($f, $pageContent);
fclose($f);
// Went well.
return True;
}
