/**
* 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 $raw_to_pass The needed score to attain
* @return False on error, True if everything went well.
* @author Thanos Kyritsis <*****@*****.**>
* @author Amand Tihon <*****@*****.**>
*/
function prepareQuiz($quizId, $raw_to_pass = 50) {
global $langQuestion, $langOk, $langScore, $claro_stylesheet, $clarolineRepositorySys;
global $charset, $langExerciseDone;
// those two variables are needed by display_attached_file()
global $attachedFilePathWeb;
global $attachedFilePathSys;
$attachedFilePathWeb = 'Exercises';
$attachedFilePathSys = $this->destDir . '/Exercises';
// Generate standard page header
$pageHeader = '<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=' . $charset . '">
<meta http-equiv="expires" content="Tue, 05 DEC 2000 07:00:00 GMT">
<meta http-equiv="Pragma" content="no-cache">
<link rel="stylesheet" type="text/css" href="bootstrap-custom.css" />
<link rel="stylesheet" type="text/css" href="' . $claro_stylesheet . '" media="screen, projection, tv" />
<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 class="table-default"><tr><td>' . "\n";
// read the exercise
$quiz = new Exercise();
if (!$quiz->read($quizId)) {
$this->error[] = $GLOBALS['langErrorLoadingExercise'];
return false;
}
// Get the question list
$questionList = $quiz->selectQuestionList();
$questionCount = $quiz->selectNbrQuestions();
// Keep track of raw scores (ponderation) for each question
$questionPonderationList = array();
// Keep track of correct texts for fill-in type questions
$fillAnswerList = array();
// Counter used to generate the elements' id. Incremented after every <input> or <select>
$idCounter = 0;
// Display each question
$questionCount = 0;
foreach ($questionList as $questionId) {
// Update question number
$questionCount++;
// read the question, abort on error
$question = new Question();
if (!$question->read($questionId)) {
$this->error[] = $GLOBALS['langErrorLoadingQuestion'];
return false;
}
$qtype = $question->selectType();
$qtitle = $question->selectTitle();
$qdescription = $question->selectDescription();
$questionPonderationList[$questionId] = $question->selectWeighting();
// Generic display, valid for all kind of question
$pageBody .= '<table class="table-default">
<tr><th valign="top" colspan="2">' . $langQuestion . ' ' . $questionCount . '</th></tr>
<tfoot>
<tr><td valign="top" colspan="2">' . $qtitle . '</td></tr>
<tr><td valign="top" colspan="2"><i>' . parse_user_text($qdescription) . '</i></td></tr>' . "\n";
// Attached file, if it exists.
//$attachedFile = $question->selectAttachedFile();
if (!empty($attachedFile)) {
// copy the attached file
if (!claro_copy_file($this->srcDirExercise . '/' . $attachedFile, $this->destDir . '/Exercises')) {
$this->error[] = $GLOBALS['langErrorCopyAttachedFile'] . $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
*/
$answer = new Answer($questionId);
$answerCount = $answer->selectNbrAnswers();
// Used for matching:
$letterCounter = 'A';
$choiceCounter = 1;
$Select = array();
for ($answerId = 1; $answerId <= $answerCount; $answerId++) {
$answerText = $answer->selectAnswer($answerId);
$answerCorrect = $answer->isCorrect($answerId);
// Unique answer
if ($qtype == UNIQUE_ANSWER || $qtype == TRUE_FALSE) {
// Construct the identifier
$htmlQuestionId = 'unique_' . $questionCount . '_x';
$pageBody .= '<tr><td width="5%" align="center">
<input type="radio" name="' . $htmlQuestionId . '"
id="scorm_' . $idCounter . '"
value="' . $answer->selectWeighting($answerId) . '"></td>
<td width="95%"><label for="scorm_' . $idCounter . '">' . $answerText . '</label>
</td></tr>';
$idCounter++;
}
// Multiple answers
elseif ($qtype == MULTIPLE_ANSWER) {
// Construct the identifier
$htmlQuestionId = 'multiple_' . $questionCount . '_' . $answerId;
// Compute the score modifier if this answer is checked
$raw = $answer->selectWeighting($answerId);
$pageBody .= '<tr><td width="5%" align="center">
<input type="checkbox" name="' . $htmlQuestionId . '"
id="scorm_' . $idCounter . '"
value="' . $raw . '"></td>
<td width="95%"><label for="scorm_' . $idCounter . '">' . $answerText . '</label>
</td></tr>';
$idCounter++;
}
// Fill in blanks
elseif ($qtype == FILL_IN_BLANKS || $qtype == FILL_IN_BLANKS_TOLERANT) {
$pageBody .= '<tr><td colspan="2">';
// We must split the text, to be able to treat each input independently
// separate the text and the scorings
$explodedAnswer = explode('::', $answerText);
$phrase = (isset($explodedAnswer[0])) ? $explodedAnswer[0] : '';
$weighting = (isset($explodedAnswer[1])) ? $explodedAnswer[1] : '';
$fillType = (!empty($explodedAnswer[2])) ? $explodedAnswer[2] : 1;
// default value if value is invalid
if ($fillType != TEXTFIELD_FILL && $fillType != LISTBOX_FILL) {
$fillType = TEXTFIELD_FILL;
}
$wrongAnswers = (!empty($explodedAnswer[3])) ? explode('[', $explodedAnswer[3]) : array();
// get the scorings as a list
$fillScoreList = explode(',', $weighting);
$fillScoreCounter = 0;
//listbox
if ($fillType == LISTBOX_FILL) {
// get the list of propositions (good and wrong) to display in lists
// add wrongAnswers in the list
$answerList = $wrongAnswers;
// add good answers in the list
// we save the answer because it will be modified
$temp = $phrase;
while (1) {
// quits the loop if there are no more blanks
if (($pos = strpos($temp, '[')) === false) {
break;
}
// removes characters till '['
$temp = substr($temp, $pos + 1);
// quits the loop if there are no more blanks
if (($pos = strpos($temp, ']')) === false) {
break;
}
// stores the found blank into the array
$answerList[] = substr($temp, 0, $pos);
// removes the character ']'
$temp = substr($temp, $pos + 1);
}
// alphabetical sort of the array
natcasesort($answerList);
}
// Split after each blank
$responsePart = explode(']', $phrase);
$acount = 0;
foreach ($responsePart as $part) {
// Split between text and (possible) blank
if (strpos($part, '[') !== false) {
list($rawtext, $blankText) = explode('[', $part);
} else {
$rawtext = $part;
$blankText = "";
}
$pageBody .= $rawtext;
// If there's a blank to fill-in after the text (this is usually not the case at the end)
if (!empty($blankText)) {
// Build the element's name
$name = 'fill_' . $questionCount . '_' . $acount;
// Keep track of the correspondance between element's name and correct value + scoring
$fillAnswerList[$name] = array($blankText, $fillScoreList[$fillScoreCounter]);
if ($fillType == LISTBOX_FILL) {// listbox
$pageBody .= '<select name="' . $name . '" id="scorm_' . $idCounter . '">' . "\n"
. '<option value=""> </option>';
foreach ($answerList as $answer) {
$pageBody .= '<option value="' . htmlspecialchars($answer) . '">' . $answer . '</option>' . "\n";
}
$pageBody .= '</select>' . "\n";
} else {
$pageBody .= '<input type="text" name="' . $name . '" size="10" id="scorm_' . $idCounter . '">';
}
$fillScoreCounter++;
$idCounter++;
}
$acount++;
}
$pageBody .= '</td></tr>' . "\n";
}
// Matching
elseif ($qtype == MATCHING) {
if (!$answer->isCorrect($answerId)) {
// Add the option as a possible answer.
$Select[$answerId] = $answerText;
} else {
$pageBody .= '<tr><td colspan="2">
<table border="0" cellpadding="0" cellspacing="0" width="99%">
<tr>
<td width="40%" valign="top"><b>' . $choiceCounter . '.</b> ' . $answerText . '</td>
<td width="20%" valign="center"> <select name="matching_' . $questionCount . '_' .
$answerId . '" id="scorm_' . $idCounter . '">
<option value="0">--</option>';
$idCounter++;
// fills the list-box
$letter = 'A';
foreach ($Select as $key => $val) {
$scoreModifier = ( $key == $answer->isCorrect($answerId) ) ? $answer->selectWeighting($answerId) : 0;
$pageBody .= '<option value="' . $scoreModifier . '">' . $letter++ .
'</option>';
}
$pageBody .= '</select></td><td width="40%" valign="top">';
if (isset($Select[$choiceCounter])) {
$pageBody .= '<b>' . $letterCounter . '.</b> ' . $Select[$choiceCounter];
}
$pageBody .= ' </td></tr></table></td></tr>' . "\n";
// Done with this one
$letterCounter++;
$choiceCounter++;
// If the left side has been completely displayed :
if ($answerId == $answerCount) {
// Add all possibly remaining answers to the right
while (isset($Select[$choiceCounter])) {
$pageBody .= '<tr><td colspan="2">
<table border="0" cellpadding="0" cellspacing="0" width="99%">
<tr>
<td width="40%"> </td>
<td width="20%"> </td>
<td width="40%"><b>' . $letterCounter . '.</b> ' . $Select[$choiceCounter] . '</td>
</tr>
</table>
</td></tr>' . "\n";
$letterCounter++;
$choiceCounter++;
} // end while
} // end if
} // else
} // end if (MATCHING)
} // end for each answer
// End of the question
$pageBody .= '</tfoot></table>' . "\n\n";
} // foreach($questionList as $questionId)
// No more questions, add the button.
$pageEnd = '</td></tr>
<tr>
<td align="center"><br><input class="btn btn-primary" type="button" value="' . $langOk . '" 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";
// Add the data for fillAnswerList
foreach ($fillAnswerList as $key => $val) {
$pageHeader .= " fillAnswerList['" . $key . "'] = new Array('" . $val[0] . "', '" . $val[1] . "');\n";
}
// This is the actual code present in every exported exercise.
$pageHeader .= '
function calcScore()
{
if( !scoreCommited )
{
rawScore = CalculateRawScore(document, ' . $idCounter . ', fillAnswerList);
var score = Math.max(Math.round(rawScore * 100 / weighting), 0);
var oldScore = doGetValue("cmi.score.raw");
doSetValue("cmi.score.max", weighting);
doSetValue("cmi.score.min", 0);
computeTime();
if (score > oldScore) // Update only if score is better than the previous time.
{
doSetValue("cmi.score.raw", rawScore);
}
var oldStatus = doGetValue( "cmi.success_status" )
if (score >= raw_to_pass)
{
doSetValue("cmi.success_status", "passed");
}
else if (oldStatus != "passed" ) // If passed once, never mark it as failed.
{
doSetValue("cmi.success_status", "failed");
}
doCommit();
doTerminate();
scoreCommited = true;
if(showScore) alert(\'' . clean_str_for_javascript($langScore) . ' :\n\' + rawScore + \'/\' + weighting + \'\n\' + \'' . clean_str_for_javascript($langExerciseDone) . '\');
}
}
</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[] = $GLOBALS['langErrorCreatingFile'] . $filename;
return false;
}
fwrite($f, $pageContent);
fclose($f);
// Went well.
return True;
}
function display_my_documents($dialogBox, $style)
{
global $curDirName;
global $curDirPath;
global $parentDir;
global $langUp;
global $langName;
global $langSize;
global $langDate;
global $langAddModulesButton;
global $fileList;
global $themeimg;
global $langSelection, $langDirectory, $course_code;
$output = '';
/*
* DISPLAY
*/
$dspCurDirName = htmlspecialchars($curDirName);
// $cmdCurDirPath = rawurlencode($curDirPath);
$cmdParentDir = rawurlencode($parentDir);
$output .= '<form action="' . $_SERVER['SCRIPT_NAME'] . '?course=' . $course_code . '" method="POST">';
/* --------------------------------------
DIALOG BOX SECTION
-------------------------------------- */
$colspan = 5;
if (!empty($dialogBox)) {
$output .= disp_message_box($dialogBox, $style) . "<br />";
}
/* --------------------------------------
CURRENT DIRECTORY LINE
-------------------------------------- */
/* CURRENT DIRECTORY */
if ($curDirName) {
$output .= '
<table class="table-default">
<tr>
<td width="1" class="right">' . icon('fa-folder-o') . '</td>
<td>' . $langDirectory . ': <b>' . $dspCurDirName . '</b></td>';
/* GO TO PARENT DIRECTORY */
if ($curDirName) {
$linkup = "<a href='{$_SERVER['SCRIPT_NAME']}?course={$course_code}&openDir={$cmdParentDir}'>";
$output .= "<td width='1'>{$linkup}<img src='{$themeimg}/folder_up.png' " . "hspace='5' alt='{$langUp}' title='langUp' /></a></td>" . "<td width='10' class='right'><small>{$linkup}{$langUp}</a></small></td>";
}
$output .= '</tr></table>';
}
$output .= '
<div class="table-responsive">
<table class="table-default" >';
$output .= "\n <tr class='list-header'>\n <th colspan='2'><div align='left'> {$langName}</div></th>\n <th>{$langSize}</th>\n <th>{$langDate}</th>\n <th>{$langSelection}</th>\n </tr>";
/* --------------------------------------
DISPLAY FILE LIST
-------------------------------------- */
if ($fileList) {
$iterator = 0;
$ind = 1;
while (list($fileKey, $fileName) = each($fileList['name'])) {
if ($ind % 2 == 0) {
$style = 'class="even"';
} else {
$style = 'class="odd"';
}
$dspFileName = htmlspecialchars($fileList['filename'][$fileKey]);
$cmdFileName = str_replace("%2F", "/", rawurlencode($curDirPath . "/" . $fileName));
if ($fileList['visible'][$fileKey] == 0) {
continue;
// skip the display of this file
}
if ($fileList['type'][$fileKey] == A_FILE) {
$image = choose_image($fileName);
$size = format_file_size($fileList['size'][$fileKey]);
$date = nice_format($fileList['date'][$fileKey]);
$file_url = file_url($fileList['path'][$fileKey], $dspFileName);
$play_url = file_playurl($fileList['path'][$fileKey], $dspFileName);
$urlFileName = MultimediaHelper::chooseMediaAhrefRaw($file_url, $play_url, $dspFileName, $dspFileName);
} elseif ($fileList['type'][$fileKey] == A_DIRECTORY) {
$image = 'fa-folder';
$size = ' ';
$date = ' ';
$urlFileName = '<a href="' . $_SERVER['SCRIPT_NAME'] . '?course=' . $course_code . '&openDir=' . $cmdFileName . '">' . $dspFileName . '</a>';
}
$output .= '
<tr ' . $style . '>
<td class="center" width="1">' . icon($image, '') . '</td>
<td align="left">' . $urlFileName . '</td>
<td width="80" class="center">' . $size . '</td>
<td width="80" class="center">' . $date . '</td>';
if ($fileList['type'][$fileKey] == A_FILE) {
$iterator++;
$output .= '
<td width="10" class="center">
<input type="checkbox" name="insertDocument_' . $iterator . '" id="insertDocument_' . $iterator . '" value="' . $curDirPath . "/" . $fileName . '" />
<input type="hidden" name="filenameDocument_' . $iterator . '" id="filenameDocument_' . $iterator . '" value="' . $dspFileName . '" />
</td>';
} else {
$output .= '<td> </td>';
}
$output .= '</tr>';
/* COMMENTS */
if ($fileList['comment'][$fileKey] != "") {
$fileList['comment'][$fileKey] = htmlspecialchars($fileList['comment'][$fileKey]);
$fileList['comment'][$fileKey] = parse_user_text($fileList['comment'][$fileKey]);
$output .= '
<tr class="even">
<td> </td>
<td colspan="' . $colspan . '"><span class="comment">' . $fileList['comment'][$fileKey] . '</span></td>
</tr>';
}
$ind++;
}
// end each ($fileList)
// form button
$output .= '
<tr>
<th colspan="' . $colspan . '"><div class="pull-right">
<input type="hidden" name="openDir" value="' . $curDirPath . '" />
<input type="hidden" name="maxDocForm" value ="' . $iterator . '" />
<input class="btn btn-primary" type="submit" name="submitInsertedDocument" value="' . $langAddModulesButton . '">
</th>
</tr>';
} else {
$output .= '<tr><td colspan="4"> </td></tr>';
}
$output .= '</table></div></form>';
return $output;
}