File Source for exercice.php

<?php
/*
DOKEOS - elearning and course management software
For a full list of contributors, see documentation/credits.html
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See "documentation/licence.html" more details.
Contact:
Dokeos
Rue du Corbeau, 108
B-1030 Brussels - Belgium
info@dokeos.com
*/
/**
* Exercise list: This script shows the list of exercises for administrators and students.
* @package dokeos.exercise
* @author Olivier Brouckaert, original author
* @author Denes Nagy, HotPotatoes integration
* @author Wolfgang Schneider, code/html cleanup
* @version $Id:exercice.php 12269 2007-05-03 14:17:37Z elixir_julian $
*/
// name of the language file that needs to be included
$language_file='exercice';
require_once('../inc/global.inc.php');
$this_section=SECTION_COURSES;
api_protect_course_script(true);
$show=(isset($_GET['show']) && $_GET['show'] == 'result')?'result':'test'; // moved down to fix bug: http://www.dokeos.com/forum/viewtopic.php?p=18609#18609
/*
-----------------------------------------------------------
Libraries
-----------------------------------------------------------
*/
require_once('exercise.class.php');
require_once('question.class.php');
require_once('answer.class.php');
require_once(api_get_path(LIBRARY_PATH).'fileManage.lib.php');
require_once(api_get_path(LIBRARY_PATH).'fileUpload.lib.php');
require_once('hotpotatoes.lib.php');
require_once(api_get_path(LIBRARY_PATH).'document.lib.php');
include(api_get_path(LIBRARY_PATH).'mail.lib.inc.php');
include(api_get_path(LIBRARY_PATH).'usermanager.lib.php');
/*
-----------------------------------------------------------
Constants and variables
-----------------------------------------------------------
*/
$is_allowedToEdit = api_is_allowed_to_edit();
$is_tutor = api_is_allowed_to_edit(true);
$TBL_USER = Database::get_main_table(TABLE_MAIN_USER);
$TBL_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
$TBL_ITEM_PROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY);
$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
$TBL_TRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$TBL_TRACK_HOTPOTATOES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
$TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
// document path
$documentPath= api_get_path(SYS_COURSE_PATH).$_course['path']."/document";
// picture path
$picturePath=$documentPath.'/images';
// audio path
$audioPath=$documentPath.'/audio';
// hotpotatoes
$uploadPath = DIR_HOTPOTATOES; //defined in main_api
$exercicePath = api_get_self();
$exfile = explode('/',$exercicePath);
$exfile = strtolower($exfile[sizeof($exfile)-1]);
$exercicePath = substr($exercicePath,0,strpos($exercicePath,$exfile));
$exercicePath = $exercicePath."exercice.php";
// maximum number of exercises on a same page
$limitExPage=50;
// Clear the exercise session
if(isset($_SESSION['objExercise'])) { api_session_unregister('objExercise'); }
if(isset($_SESSION['objQuestion'])) { api_session_unregister('objQuestion'); }
if(isset($_SESSION['objAnswer'])) { api_session_unregister('objAnswer'); }
if(isset($_SESSION['questionList'])) { api_session_unregister('questionList'); }
if(isset($_SESSION['exerciseResult'])) { api_session_unregister('exerciseResult'); }
//general POST/GET/SESSION/COOKIES parameters recovery
if ( empty ( $origin ) ) {
$origin = $_REQUEST['origin'];
}
if ( empty ($choice ) ) {
$choice = $_REQUEST['choice'];
}
if ( empty ( $hpchoice ) ) {
$hpchoice = $_REQUEST['hpchoice'];
}
if ( empty ($exerciseId ) ) {
$exerciseId = Database::escape_string($_REQUEST['exerciseId']);
}
if ( empty ( $file ) ) {
$file = Database::escape_string($_REQUEST['file']);
}
$learnpath_id = Database::escape_string($_REQUEST['learnpath_id']);
$learnpath_item_id = Database::escape_string($_REQUEST['learnpath_item_id']);
$page = Database::escape_string($_REQUEST['page']);
if($origin == 'learnpath'){
$show = 'result';
}
$htmlHeadXtra[]='<style type="text/css">
<!--
a.invisible
{
color: #999999;
}
a.invisible:visited
{
color: #999999;
}
a.invisible:active
{
color: #999999;
}
a.invisible:hover
{
color: #999999;
}
-->
</style>';
if ($show=='result' && $_REQUEST['comments']=='update' && ($is_allowedToEdit || $is_tutor))
{
$id = $_GET['exeid'];
$emailid = $_GET['emailid'];
$test = $_GET['test'];
$from = $_SESSION['_user']['mail'];
$from_name = $_SESSION['_user']['firstName']." ".$_SESSION['_user']['lastName'];
$url = api_get_path(WEB_CODE_PATH).'exercice/exercice.php?'.api_get_cidreq().'&show=result';
foreach ($_POST as $key=>$v)
{
$keyexp = explode('_',$key);
if ($keyexp[0] == "marks")
{
$sql = "select question from $TBL_QUESTIONS where id = '$keyexp[1]'";
$result =api_sql_query($sql, __FILE__, __LINE__);
$ques_name = mysql_result($result,0,"question");
$query = "update $TBL_TRACK_ATTEMPT set marks = '$v' where question_id = $keyexp[1] and exe_id=$id";
api_sql_query($query, __FILE__, __LINE__);
$qry = 'SELECT sum(marks) as tot
FROM '.$TBL_TRACK_ATTEMPT.' where exe_id = '.intval($id).'
GROUP BY question_id';
$res = api_sql_query($qry,__FILE__,__LINE__);
$tot = mysql_result($res,0,'tot');
$totquery = "update $TBL_TRACK_EXERCICES set exe_result = $tot where exe_Id=$id";
api_sql_query($totquery, __FILE__, __LINE__);
}
else
{
$query = "update $TBL_TRACK_ATTEMPT set teacher_comment = '$v' where question_id = $keyexp[1] and exe_id = $id ";
api_sql_query($query, __FILE__, __LINE__);
}
}
$qry = 'SELECT DISTINCT question_id, marks
FROM '.$TBL_TRACK_ATTEMPT.' where exe_id = '.intval($id).'
GROUP BY question_id';
$res = api_sql_query($qry,__FILE__,__LINE__);
$tot = 0;
while($row = Database::fetch_array($res,'ASSOC'))
{
$tot += $row ['marks'];
}
$totquery = "update $TBL_TRACK_EXERCICES set exe_result = $tot where exe_Id=$id";
api_sql_query($totquery, __FILE__, __LINE__);
$subject = get_lang('ExamSheetVCC');
$htmlmessage = '<html>'.
'<head>' .
'<style type="text/css">' .
'<!--' .
'.body{' .
'font-family: Verdana, Arial, Helvetica, sans-serif;' .
'font-weight: Normal;' .
'color: #000000;' .
'}' .
'.style8 {font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: bold; color: #006699; }' .
'.style10 {' .
' font-family: Verdana, Arial, Helvetica, sans-serif;' .
' font-size: 12px;' .
' font-weight: bold;' .
'}' .
'.style16 {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; }' .
'-->' .
'</style>' .
'</head>' .
'<body>' .
'<div>' .
' <p>'.get_lang('DearStudentEmailIntroduction').'</p>' .
' <p class="style10"> '.get_lang('AttemptVCC').' </p>' .
' <table width="417">' .
' <tr>' .
' <td width="229" valign="top" bgcolor="E5EDF8">  <span class="style10">'.get_lang('Question').'</span></td>' .
' <td width="469" valign="top" bgcolor="#F3F3F3"><span class="style16">#ques_name#</span></td>' .
' </tr>' .
' <tr>' .
' <td width="229" valign="top" bgcolor="E5EDF8">  <span class="style10">'.get_lang('Exercice').'</span></td>' .
' <td width="469" valign="top" bgcolor="#F3F3F3"><span class="style16">#test#</span></td>' .
' </tr>' .
' </table>' .
' <p>'.get_lang('ClickLinkToViewComment').' <a href="#url#">#url#</a><br />' .
' <br />' .
' '.get_lang('Regards').' </p>' .
' </div>' .
' </body>' .
' </html>';
$message = '<p>'.sprintf(get_lang('AttemptVCCLong'),$test).' <A href="#url#">#url#</A></p><br />';
$mess= str_replace("#test#",$test,$message);
//$message= str_replace("#ques_name#",$ques_name,$mess);
$message = str_replace("#url#",$url,$mess);
$mess = stripslashes($message);
$headers = " MIME-Version: 1.0 \r\n";
$headers .= "User-Agent: Dokeos/1.6";
$headers .= "Content-Transfer-Encoding: 7bit";
$headers .= 'From: '.$from_name.' <'.$from.'>' . "\r\n";
$headers="From:$from_name\r\nReply-to: $to\r\nContent-type: text/html; charset=".($charset?$charset:'ISO-8859-15');
//mail($emailid, $subject, $mess,$headers);
api_mail_html($emailid, $emailid, $subject, $mess, $from_name, $from);
if(in_array($origin, array('tracking_course','user_course'))){
//Redirect to the reporting
header('location: ../mySpace/myStudents.php?origin='.$origin.'&student='.$_GET['student'].'&details=true&course='.$_GET['course']);
}
}
if($show!='result')
{
$nameTools=get_lang('Exercices');
}
else
{
if($is_allowedToEdit || $is_tutor)
{
$nameTools=get_lang('StudentScore');
$interbreadcrumb[]=array("url" => "exercice.php","name" => get_lang('Exercices'));
}
else
{
$nameTools=get_lang('YourScore');
$interbreadcrumb[]=array("url" => "exercice.php","name" => get_lang('Exercices'));
}
}
// need functions of statsutils lib to display previous exercices scores
include_once(api_get_path(LIBRARY_PATH).'statsUtils.lib.inc.php');
if($is_allowedToEdit && !empty($choice) && $choice == 'exportqti2')
{
require_once('export/qti2/qti2_export.php');
$export = export_exercise($exerciseId,true);
require_once(api_get_path(LIBRARY_PATH).'pclzip/pclzip.lib.php');
$garbage_path = api_get_path(GARBAGE_PATH);
$temp_dir_short = uniqid();
$temp_zip_dir = $garbage_path."/".$temp_dir_short;
if(!is_dir($temp_zip_dir)) mkdir($temp_zip_dir);
$temp_zip_file = $temp_zip_dir."/".md5(time()).".zip";
$temp_xml_file = $temp_zip_dir."/qti2export_".$exerciseId.'.xml';
file_put_contents($temp_xml_file,$export);
$zip_folder=new PclZip($temp_zip_file);
$zip_folder->add($temp_zip_dir, PCLZIP_OPT_REMOVE_PATH, $temp_zip_dir);
$name = 'qti2_export_'.$exerciseId.'.zip';
//DocumentManager::string_send_for_download($export,true,'qti2export_'.$exerciseId.'.xml');
DocumentManager::file_send_for_download($temp_zip_file,true,$name);
unlink($temp_zip_file);
unlink($temp_xml_file);
rmdir($temp_zip_dir);
exit(); //otherwise following clicks may become buggy
}
if(!empty($_POST['export_user_fields']))
{
switch($_POST['export_user_fields'])
{
case 'export_user_fields':
$_SESSION['export_user_fields'] = true;
break;
case 'do_not_export_user_fields':
default:
$_SESSION['export_user_fields'] = false;
break;
}
}
if(!empty($_POST['export_report']) && $_POST['export_report'] == 'export_report')
{
if(api_is_platform_admin() || api_is_course_admin() || api_is_course_tutor() || api_is_course_coach())
{
$user_id = null;
if(empty($_SESSION['export_user_fields'])) $_SESSION['export_user_fields'] = false;
if(!$is_allowedToEdit and !$is_tutor)
{
$user_id = api_get_user_id();
}
require_once('exercise_result.class.php');
switch($_POST['export_format'])
{
case 'xls':
$export = new ExerciseResult();
$export->exportCompleteReportXLS($documentPath, $user_id, $_SESSION['export_user_fields']);
exit;
break;
case 'csv':
default:
$export = new ExerciseResult();
$export->exportCompleteReportCSV($documentPath, $user_id, $_SESSION['export_user_fields']);
exit;
break;
}
}
else
{
api_not_allowed(true);
}
}
if ($origin != 'learnpath')
{
//so we are not in learnpath tool
Display::display_header($nameTools,"Exercise");
if(isset($_GET['message']))
{
if (in_array($_GET['message'], array('ExerciseEdited')))
{
Display::display_confirmation_message(get_lang($_GET['message']));
}
}
}
else
{
echo '<link rel="stylesheet" type="text/css" href="'.api_get_path(WEB_CODE_PATH).'css/default.css"/>';
}
// used for stats
include_once(api_get_path(LIBRARY_PATH).'events.lib.inc.php');
event_access_tool(TOOL_QUIZ);
Display::display_introduction_section(TOOL_QUIZ);
// selects $limitExPage exercises at the same time
$from=$page*$limitExPage;
$sql="SELECT count(id) FROM $TBL_EXERCICES";
$res = api_sql_query($sql,__FILE__,__LINE__);
list($nbrexerc) = Database::fetch_array($res);
HotPotGCt($documentPath,1,$_user['user_id']);
// only for administrator
if($is_allowedToEdit)
{
if(!empty($choice))
{
// construction of Exercise
$objExerciseTmp=new Exercise();
if($objExerciseTmp->read($exerciseId))
{
switch($choice)
{
case 'delete': // deletes an exercise
$objExerciseTmp->delete();
Display::display_confirmation_message(get_lang('ExerciseDeleted'));
break;
case 'enable': // enables an exercise
$objExerciseTmp->enable();
$objExerciseTmp->save();
// "WHAT'S NEW" notification: update table item_property (previously last_tooledit)
api_item_property_update($_course, TOOL_QUIZ, $exerciseId, "QuizAdded", $_user['user_id']);
Display::display_confirmation_message(get_lang('VisibilityChanged'));
break;
case 'disable': // disables an exercise
$objExerciseTmp->disable();
$objExerciseTmp->save();
Display::display_confirmation_message(get_lang('VisibilityChanged'));
break;
case 'disable_results' : //disable the results for the learners
$objExerciseTmp->disable_results();
$objExerciseTmp->save();
Display::display_confirmation_message(get_lang('ResultsDisabled'));
break;
case 'enable_results' : //disable the results for the learners
$objExerciseTmp->enable_results();
$objExerciseTmp->save();
Display::display_confirmation_message(get_lang('ResultsEnabled'));
break;
}
}
// destruction of Exercise
unset($objExerciseTmp);
}
//$sql="SELECT id,title,type,active FROM $TBL_EXERCICES ORDER BY title LIMIT $from,".($limitExPage+1);
//$result=api_sql_query($sql,__FILE__,__LINE__);
if(!empty($hpchoice))
{
switch($hpchoice)
{
case 'delete': // deletes an exercise
$imgparams = array();
$imgcount = 0;
GetImgParams($file,$documentPath,$imgparams,$imgcount);
$fld = GetFolderName($file);
for($i=0;$i < $imgcount;$i++)
{
my_delete($documentPath.$uploadPath."/".$fld."/".$imgparams[$i]);
update_db_info("delete", $uploadPath."/".$fld."/".$imgparams[$i]);
}
if ( my_delete($documentPath.$file))
{
update_db_info("delete", $file);
}
my_delete($documentPath.$uploadPath."/".$fld."/");
break;
case 'enable': // enables an exercise
$newVisibilityStatus = "1"; //"visible"
$query = "SELECT id FROM $TBL_DOCUMENT WHERE path='$file'";
$res = api_sql_query($query,__FILE__,__LINE__);
$row = Database::fetch_array($res, 'ASSOC');
api_item_property_update($_course, TOOL_DOCUMENT, $row['id'], 'visible', $_user['user_id']);
//$dialogBox = get_lang('ViMod');
break;
case 'disable': // disables an exercise
$newVisibilityStatus = "0"; //"invisible"
$query = "SELECT id FROM $TBL_DOCUMENT WHERE path='$file'";
$res = api_sql_query($query,__FILE__,__LINE__);
$row = Database::fetch_array($res, 'ASSOC');
api_item_property_update($_course, TOOL_DOCUMENT, $row['id'], 'invisible', $_user['user_id']);
#$query = "UPDATE $TBL_DOCUMENT SET visibility='$newVisibilityStatus' WHERE path=\"".$file."\""; //added by Toon
#api_sql_query($query,__FILE__,__LINE__);
//$dialogBox = get_lang('ViMod');
break;
default:
break;
}
}
if($show == 'test')
{
$sql="SELECT id,title,type,active,description, results_disabled FROM $TBL_EXERCICES WHERE active<>'-1' ORDER BY title LIMIT $from,".($limitExPage+1);
$result=api_sql_query($sql,__FILE__,__LINE__);
}
}
// only for students
elseif($show == 'test')
{
$sql="SELECT id,title,type,description, results_disabled FROM $TBL_EXERCICES WHERE active='1' ORDER BY title LIMIT $from,".($limitExPage+1);
$result=api_sql_query($sql,__FILE__,__LINE__);
}
if($show == 'test'){
$nbrExercises=Database::num_rows($result);
echo '<table border="0" align="center" cellpadding="2" cellspacing="2" width="100%">'.
'<tr>';
if (($is_allowedToEdit) and ($origin != 'learnpath'))
{
echo '<td width="50%" nowrap="nowrap">'.
'<img src="../img/new_test.gif" alt="new test" align="absbottom"> <a href="exercise_admin.php?'.api_get_cidreq().'">'.get_lang('NewEx').'</a>'.
' | <img src="../img/jqz.jpg" alt="HotPotatoes" valign="ABSMIDDLE"> <a href="hotpotatoes.php">'.get_lang('ImportHotPotatoesQuiz').'</a>'.
'</td>'.
'<td width="50%" align="right">';
}
else
{
echo '<td align="right">';
}
//get HotPotatoes files (active and inactive)
$res = api_sql_query ("SELECT *
FROM $TBL_DOCUMENT
WHERE
path LIKE '".$uploadPath."/%/%'",__FILE__,__LINE__);
$nbrTests = Database::num_rows($res);
$res = api_sql_query ("SELECT *
FROM $TBL_DOCUMENT d, $TBL_ITEM_PROPERTY ip
WHERE d.id = ip.ref
AND ip.tool = '".TOOL_DOCUMENT."'
AND d.path LIKE '".$uploadPath."/%/%'
AND ip.visibility='1'", __FILE__,__LINE__);
$nbrActiveTests = Database::num_rows($res);
if($is_allowedToEdit)
{//if user is allowed to edit, also show hidden HP tests
$nbrHpTests = $nbrTests;
}else
{
$nbrHpTests = $nbrActiveTests;
}
$nbrNextTests = $nbrexerc-$nbrHpTests-(($page*$limitExPage));
//show pages navigation link for previous page
if($page)
{
echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&page=".($page-1)."\"><< ",get_lang("PreviousPage")."</a> | ";
}
elseif($nbrExercises+$nbrNextTests > $limitExPage)
{
echo "<< ",get_lang("PreviousPage")." | ";
}
//show pages navigation link for previous page
if($nbrExercises+$nbrNextTests > $limitExPage)
{
echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&page=".($page+1)."\">>> ",get_lang("NextPage")."</a>";
}
elseif($page)
{
echo get_lang("NextPage") . " >>";
}
echo '</td>',
'</tr>',
'</table>';
?>
<table class="data_table">
<?php
if (($is_allowedToEdit) and ($origin != 'learnpath'))
{
?>
<tr class="row_odd">
<th colspan="2"><?php echo get_lang("ExerciseName");?></th>
<th><?php echo get_lang("Description");?></th>
<th><?php echo get_lang('Export');?></th>
<th><?php echo get_lang("Modify");?></th>
</tr>
<?php
}
else
{
?> <tr bgcolor="#e6e6e6">
<th><?php echo get_lang("ExerciseName");?></th>
<th><?php echo get_lang("Description");?></th>
<th><?php echo get_lang("State");?></th>
</tr>
<?php }
// show message if no HP test to show
if(!($nbrExercises+$nbrHpTests) )
{
?>
<tr>
<td <?php echo ($is_allowedToEdit?'colspan="5"':'colspan="3"'); ?>><?php echo get_lang("NoEx"); ?></td>
</tr>
<?php
}
$i=1;
// while list exercises
if ($origin != 'learnpath')
{
//avoid sending empty parameters
$myorigin = (empty($origin)?'':'&origin='.$origin);
$mylpid = (empty($learnpath_id)?'':'&learnpath_id='.$learnpath_id);
$mylpitemid = (empty($learnpath_item_id)?'':'&learnpath_item_id='.$learnpath_item_id);
while($row=Database::fetch_array($result))
{
if($i%2==0) $s_class="row_odd"; else $s_class="row_even";
echo '<tr class="'.$s_class.'">'."\n";
// prof only
if($is_allowedToEdit)
{
?>
<td width="27%" colspan="2">
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td width="30" align="left"><img src="../img/quiz.gif"></td>
<td width="15" valign="left" align="center"><?php echo ($i+($page*$limitExPage)).'.'; ?></td>
<?php $row['title']=api_parse_tex($row['title']); ?>
<td>
<a href="exercice_submit.php?<?php echo api_get_cidreq().$myorigin.$mylpid.$mylpitemid; ?>&exerciseId=<?php echo $row['id']; ?>" <?php if(!$row['active']) echo 'class="invisible"'; ?>><?php echo $row['title']; ?></a>
</td>
</tr>
</table>
</td>
<td width="8%" align="center"> <?php
$exid = $row['id'];
$sqlquery = "SELECT count(*) FROM $TBL_EXERCICE_QUESTION WHERE exercice_id = '$exid'";
$sqlresult =api_sql_query($sqlquery);
$rowi = mysql_result($sqlresult,0);
echo $rowi.' '.strtolower(get_lang(($rowi>1?'Questions':'Question'))).'</td>';
echo '<td width="5%" align="center"><a href="exercice.php?choice=exportqti2&exerciseId='.$row['id'].'"><img src="../img/export.png" border="0" title="IMS/QTI" /></a></td>';
?>
<td width="12%" align="center">
<a href="exercise_admin.php?modifyExercise=yes&exerciseId=<?php echo $row['id']; ?>"> <img src="../img/edit.gif" border="0" title="<?php echo htmlentities(get_lang('Modify'),ENT_QUOTES,$charset); ?>" alt="<?php echo htmlentities(get_lang('Modify'),ENT_QUOTES,$charset); ?>" /></a>
<a href="admin.php?exerciseId=<?php echo $row['id']; ?>"><img src="../img/wizard_small.gif" border="0" title="<?php echo htmlentities(get_lang('Build'),ENT_QUOTES,$charset); ?>" alt="<?php echo htmlentities(get_lang('Build'),ENT_QUOTES,$charset); ?>" /></a>
<a href="exercice.php?choice=delete&exerciseId=<?php echo $row['id']; ?>" onclick="javascript:if(!confirm('<?php echo addslashes(htmlentities(get_lang('AreYouSureToDelete'),ENT_QUOTES,$charset)); echo " ".$row['title']; echo "?"; ?>')) return false;"> <img src="../img/delete.gif" border="0" alt="<?php echo htmlentities(get_lang('Delete'),ENT_QUOTES,$charset); ?>" /></a>
<?php
// if active
if($row['active'])
{
?>
<a href="exercice.php?choice=disable&page=<?php echo $page; ?>&exerciseId=<?php echo $row['id']; ?>"> <img src="../img/visible.gif" border="0" alt="<?php echo htmlentities(get_lang('Deactivate'),ENT_QUOTES,$charset); ?>" /></a>
<?php
}
// else if not active
else
{
?>
<a href="exercice.php?choice=enable&page=<?php echo $page; ?>&exerciseId=<?php echo $row['id']; ?>"> <img src="../img/invisible.gif" border="0" alt="<?php echo htmlentities(get_lang('Activate'),ENT_QUOTES,$charset); ?>" /></a>
<?php
}
if($row['results_disabled'])
echo '<a href="exercice.php?choice=enable_results&page='.$page.'&exerciseId='.$row['id'].'" title="'.get_lang('EnableResults').'" alt="'.get_lang('EnableResults').'"><img src="../img/lp_quiz_na.gif" border="0" alt="'.htmlentities(get_lang('EnableResults'),ENT_QUOTES,$charset).'" /></a>';
else
echo '<a href="exercice.php?choice=disable_results&page='.$page.'&exerciseId='.$row['id'].'" title="'.get_lang('DisableResults').'" alt="'.get_lang('DisableResults').'"><img src="../img/lp_quiz.gif" border="0" alt="'.htmlentities(get_lang('DisableResults'),ENT_QUOTES,$charset).'" /></a>';
echo "</td>";
echo "</tr>\n";
}
// student only
else
{
?>
<td width="40%"><table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td width="20" valign="top" align="right"><?php echo ($i+($page*$limitExPage)).'.'; ?></td>
<td width="1"> </td>
<?php $row['title']=api_parse_tex($row['title']);?>
<td><a href="exercice_submit.php?<?php echo api_get_cidreq().$myorigin.$mylpid.$myllpitemid; ?>&exerciseId=<?php echo $row['id']; ?>"><?php echo $row['title']; ?></a></td>
</tr>
</table></td>
<td align="center"> <?php
$exid = $row['id'];
$sqlquery = "SELECT count(*) FROM $TBL_EXERCICE_QUESTION WHERE exercice_id = '$exid'";
$sqlresult =api_sql_query($sqlquery);
$rowi = mysql_result($sqlresult,0);
echo ($rowi>1?get_lang('Questions'):get_lang('Question')); ?> </td>
<td align="center"><?php
$eid = $row['id'];
$uid= api_get_user_id();
//this query might be improved later on by ordering by the new "tms" field rather than by exe_id
$qry = "select * from $TBL_TRACK_EXERCICES where exe_exo_id = $eid and exe_user_id = $uid and exe_cours_id = '".api_get_course_id()."' ORDER BY exe_id DESC";
$qryres = api_sql_query($qry);
$num = Database::num_rows($qryres);
if($num>0)
{
$row = Database::fetch_array($qryres);
$percentage = 0;
if($row['exe_weighting'] != 0)
{
$percentage = ($row['exe_result']/$row['exe_weighting'])*100;
}
echo get_lang('Attempted').' ('.get_lang('Score').':';
printf("%1.2f\n",$percentage);
echo " %)";
}
else
{
echo get_lang('NotAttempted');
}
?></td>
</tr>
<?php
}
// skips the last exercise, that is only used to know if we have or not to create a link "Next page"
if($i == $limitExPage)
{
break;
}
$i++;
} // end while()
$ind = $i;
if (($from+$limitExPage-1)>$nbrexerc)
{
if($from>$nbrexerc)
{
$from = $from - $nbrexerc;
$to = $limitExPage;
}
else
{
$to = $limitExPage-($nbrexerc-$from);
$from = 0;
}
}
else{
$to = $limitExPage;
}
if($is_allowedToEdit)
{
$sql = "SELECT d.path as path, d.comment as comment, ip.visibility as visibility
FROM $TBL_DOCUMENT d, $TBL_ITEM_PROPERTY ip
WHERE d.id = ip.ref AND ip.tool = '".TOOL_DOCUMENT."' AND
(d.path LIKE '%htm%')
AND d.path LIKE '".$uploadPath."/%/%' LIMIT $from,$to"; // only .htm or .html files listed
}
else
{
$sql = "SELECT d.path as path, d.comment as comment, ip.visibility as visibility
FROM $TBL_DOCUMENT d, $TBL_ITEM_PROPERTY ip
WHERE d.id = ip.ref AND ip.tool = '".TOOL_DOCUMENT."' AND
(d.path LIKE '%htm%')
AND d.path LIKE '".$uploadPath."/%/%' AND ip.visibility='1' LIMIT $from,$to";
}
$result = api_sql_query ($sql,__FILE__,__LINE__);
while($row = Database::fetch_array($result, 'ASSOC'))
{
$attribute['path' ][] = $row['path' ];
$attribute['visibility'][] = $row['visibility'];
$attribute['comment' ][] = $row['comment' ];
}
$nbrActiveTests = 0;
if(is_array($attribute['path']))
{
while(list($key,$path) = each($attribute['path']))
{
list($a,$vis)=each($attribute['visibility']);
if (strcmp($vis,"1")==0)
{ $active=1;}
else
{ $active=0;}
echo "<tr>\n";
$title = GetQuizName($path,$documentPath);
if ($title =='')
{
$title = GetFileName($path);
}
// prof only
if($is_allowedToEdit)
{
/************/
?>
<td width="27%" colspan="2">
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td width="30" align="left"><img src="../img/jqz.jpg" alt="HotPotatoes" /></td>
<td width="15" align="center"><?php echo ($ind+($page*$limitExPage)).'.'; ?></td>
<td><a href="showinframes.php?file=<?php echo $path?>&cid=<?php echo $_course['official_code'];?>&uid=<?php echo $_user['user_id'];?>" <?php if(!$active) echo 'class="invisible"'; ?>><?php echo $title?></a></td>
</tr>
</table></td>
<td></td><td></td>
<td width="12%" align="center"><a href="adminhp.php?hotpotatoesName=<?php echo $path; ?>"> <img src="../img/edit.gif" border="0" alt="<?php echo htmlentities(get_lang('Modify'),ENT_QUOTES,$charset); ?>" /></a>
<img src="../img/wizard_gray_small.gif" border="0" title="<?php echo htmlentities(get_lang('Build'),ENT_QUOTES,$charset); ?>" alt="<?php echo htmlentities(get_lang('Build'),ENT_QUOTES,$charset); ?>" />
<a href="<?php echo $exercicePath; ?>?hpchoice=delete&file=<?php echo $path; ?>" onclick="javascript:if(!confirm('<?php echo addslashes(htmlentities(get_lang('AreYouSure'),ENT_QUOTES,$charset).$title."?"); ?>')) return false;"><img src="../img/delete.gif" border="0" alt="<?php echo htmlentities(get_lang('Delete'),ENT_QUOTES,$charset); ?>" /></a>
<?php
// if active
if($active)
{
$nbrActiveTests = $nbrActiveTests + 1;
?>
<a href="<?php echo $exercicePath; ?>?hpchoice=disable&page=<?php echo $page; ?>&file=<?php echo $path; ?>"><img src="../img/visible.gif" border="0" alt="<?php echo htmlentities(get_lang('Deactivate'),ENT_QUOTES,$charset); ?>" /></a>
<?php
}
// else if not active
else
{
?>
<a href="<?php echo $exercicePath; ?>?hpchoice=enable&page=<?php echo $page; ?>&file=<?php echo $path; ?>"><img src="../img/invisible.gif" border="0" alt="<?php echo htmlentities(get_lang('Activate'),ENT_QUOTES,$charset); ?>" /></a>
<?php
}
echo '<img src="../img/lp_quiz_na.gif" border="0" alt="" />';
/****************/
?></td>
<?php }
// student only
else
{
if ($active==1)
{
$nbrActiveTests = $nbrActiveTests + 1;
?>
<td width="40%"><table border="0" cellpadding="0" cellspacing="0" width="100%">
<td width="20" align="right"><?php echo ($ind+($page*$limitExPage)).'.'; ?></td>
<td width="1"> </td>
<td><a href="showinframes.php?<?php echo api_get_cidreq()."&file=".$path."&cid=".$_course['official_code']."&uid=".$_user['user_id'].'"'; if(!$active) echo 'class="invisible"'; ?>"><?php echo $title;?></a></td>
</tr>
</table></td>
</tr>
<?php
}
}
?>
<?php
if($ind == $limitExPage)
{
break;
}
if($is_allowedToEdit)
{
$ind++;
}
else
{
if ($active==1)
{
$ind++;
}
}
}
}
} //end if ($origin != 'learnpath') {
?>
</table>
<?php
}else{
if($origin != 'learnpath'){
echo '<a href="'.api_add_url_param($_SERVER['REQUEST_URI'],'show=test').'"><< '.get_lang('Back').'</a>';
}
}// end if($show == 'test')
/*****************************************/
/* Exercise Results (uses tracking tool) */
/*****************************************/
// if tracking is enabled
if($_configuration['tracking_enabled'])
{
if($show == 'result')
{
// the form
if(api_is_platform_admin() || api_is_course_admin() || api_is_course_tutor() || api_is_course_coach())
{
echo '<form id="form1a" name="form1a" method="post" action="'.api_get_self().'?show='.Security::remove_XSS($_GET['show']).'">';
echo '<input type="hidden" name="export_report" value="export_report">';
echo '<input type="hidden" name="export_format" value="csv">';
echo '</form>';
echo '<form id="form1b" name="form1b" method="post" action="'.api_get_self().'?show='.Security::remove_XSS($_GET['show']).'">';
echo '<input type="hidden" name="export_report" value="export_report">';
echo '<input type="hidden" name="export_format" value="xls">';
echo '</form>';
echo '<form id="form1c" name="form1c" method="post" action="'.api_get_self().'?show='.Security::remove_XSS($_GET['show']).'">';
if($_SESSION['export_user_fields']==false)
{
$alt = get_lang('ExportWithUserFields');
echo '<input type="hidden" name="export_user_fields" value="export_user_fields">';
}
else
{
$alt = get_lang('ExportWithoutUserFields');
echo '<input type="hidden" name="export_user_fields" value="do_not_export_user_fields">';
}
echo '</form>';
echo '<a class="quiz_export_link" href="#" onclick="document.form1a.submit();"><img align="absbottom" src="'.api_get_path(WEB_IMG_PATH).'excel.gif" alt="'.get_lang('ExportAsCSV').'"> '.get_lang('ExportAsCSV').'</a>';
echo '<a class="quiz_export_link" href="#" onclick="document.form1b.submit();"><img align="absbottom" src="'.api_get_path(WEB_IMG_PATH).'excel.gif" alt="'.get_lang('ExportAsXLS').'"> '.get_lang('ExportAsXLS').'</a>';
echo '<a class="quiz_export_link" href="#" onclick="document.form1c.submit();"><img align="absbottom" src="'.api_get_path(WEB_IMG_PATH).'synthese_view.gif" alt="'.$alt.'"> '.$alt.'</a>';
echo '<br /><br />';
}
?>
<table class="data_table">
<tr class="row_odd">
<?php if($is_allowedToEdit || $is_tutor): ?>
<th><?php echo get_lang("User"); ?></th><?php endif; ?>
<th><?php echo get_lang("Exercice"); ?></th>
<th><?php echo get_lang("Date"); ?></th>
<th><?php echo get_lang("Result"); ?></th>
<th><?php echo (($is_allowedToEdit||$is_tutor)?get_lang("CorrectTest"):get_lang("ViewTest")); ?></th>
</tr>
<?php
if($is_allowedToEdit || $is_tutor)
{
//get all results (ourself and the others) as an admin should see them
//AND exe_user_id <> $_user['user_id'] clause has been removed
$sql="SELECT CONCAT(lastname,' ',firstname),ce.title, te.exe_result ,
te.exe_weighting, UNIX_TIMESTAMP(te.exe_date),te.exe_id,email
FROM $TBL_EXERCICES AS ce , $TBL_TRACK_EXERCICES AS te, $TBL_USER AS user
WHERE te.exe_exo_id = ce.id AND user_id=te.exe_user_id AND te.exe_cours_id='$_cid'
ORDER BY te.exe_cours_id ASC, ce.title ASC, te.exe_date ASC";
$hpsql="SELECT CONCAT(tu.lastname,' ',tu.firstname), tth.exe_name,
tth.exe_result , tth.exe_weighting, UNIX_TIMESTAMP(tth.exe_date)
FROM $TBL_TRACK_HOTPOTATOES tth, $TBL_USER tu
WHERE tu.user_id=tth.exe_user_id AND tth.exe_cours_id = '".$_cid."'
ORDER BY tth.exe_cours_id ASC, tth.exe_date ASC";
}
else
{ // get only this user's results
$sql="SELECT '',ce.title, te.exe_result , te.exe_weighting, UNIX_TIMESTAMP(te.exe_date),te.exe_id
FROM $TBL_EXERCICES AS ce , $TBL_TRACK_EXERCICES AS te
WHERE te.exe_exo_id = ce.id AND te.exe_user_id='".$_user['user_id']."' AND te.exe_cours_id='$_cid' AND results_disabled=0
ORDER BY te.exe_cours_id ASC, ce.title ASC, te.exe_date ASC";
$hpsql="SELECT '',exe_name, exe_result , exe_weighting, UNIX_TIMESTAMP(exe_date)
FROM $TBL_TRACK_HOTPOTATOES
WHERE exe_user_id = '".$_user['user_id']."' AND exe_cours_id = '".$_cid."'
ORDER BY exe_cours_id ASC, exe_date ASC";
}
$results=getManyResultsXCol($sql,7);
$hpresults=getManyResultsXCol($hpsql,5);
$NoTestRes = 0;
$NoHPTestRes = 0;
//Print the results of tests
if(is_array($results))
{
for($i = 0; $i < sizeof($results); $i++)
{
$id = $results[$i][5];
$mailid = $results[$i][6];
$user = $results[$i][0];
$test = $results[$i][1];
$dt = strftime($dateTimeFormatLong,$results[$i][4]);
$res = $results[$i][2];
echo '<tr';
if($i%2==0) echo 'class="row_odd"'; else echo 'class="row_even"';
echo '>';
if($is_allowedToEdit || $is_tutor)
{
$user = $results[$i][0];
echo '<td>'.$user.'</td>';
}
echo '<td>'.$test.'</td>';
echo '<td>'.format_locale_date(get_lang('dateTimeFormatLong'),$results[$i][4]).'</td>';
echo '<td>'.round(($res/($results[$i][3]!=0?$results[$i][3]:1))*100).'% ('.$res.' / '.$results[$i][3].')</td>';
echo '<td>'.(($is_allowedToEdit||$is_tutor)?"<a href='exercise_show.php?user=$user&dt=$dt&res=$res&id=$id&email=$mailid'>".get_lang("Edit")."</a>":"<a href='exercise_show.php?dt=$dt&res=$res&id=$id'>".get_lang('Show')."</a>").'</td>';
echo '</tr>';
}
}
else
{
$NoTestRes = 1;
}
// Print the Result of Hotpotatoes Tests
if(is_array($hpresults))
{
for($i = 0; $i < sizeof($hpresults); $i++)
{
$title = GetQuizName($hpresults[$i][1],$documentPath);
if ($title =='')
{
$title = GetFileName($hpresults[$i][1]);
}
echo '<tr>';
if($is_allowedToEdit)
{
echo '<td class="content">'.$hpresults[$i][0].'</td>';
}
echo '<td class="content">'.$title.'</td>';
echo '<td class="content">'.strftime($dateTimeFormatLong,$hpresults[$i][4]).'</td>';
echo '<td class="content">'.round(($hpresults[$i][2]/($hpresults[$i][3]!=0?$hpresults[$i][3]:1))*100).'% ('.$hpresults[$i][2].' / '.$hpresults[$i][3].')</td>';
echo '<td></td>'; //there is no possibility to edit the results of a Hotpotatoes test
echo '</tr>';
}
}
else
{
$NoHPTestRes = 1;
}
if ($NoTestRes==1 && $NoHPTestRes==1)
{
?>
<tr>
<td colspan="5"><?php echo get_lang("NoResult"); ?></td>
</tr>
<?php
}
?>
</table>
<?php
}else{
echo '<p><img src="'.api_get_path(WEB_IMG_PATH).'show_test_results.gif" align="absbottom"> <a href="'.api_add_url_param($_SERVER['REQUEST_URI'],'show=result').'">'.get_lang("Results").' >></a></p>';
}// end if($show == 'result')
}// end if tracking is enabled
if ($origin != 'learnpath') { //so we are not in learnpath tool
Display::display_footer();
}
else
{
?>
<link rel="stylesheet" type="text/css" href="<?php echo $clarolineRepositoryWeb ?>css/default.css" />
<?php
}
?>

Source for file exercice.php