<?php // $Id: answer_admin.inc.php 10285 2006-12-04 10:52:39 +0100 (lun., 04 déc. 2006) develop-it $
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004 Dokeos S.A.
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) Olivier Brouckaert
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
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 the GNU General Public License for more details.
Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
==============================================================================
*/
/*>>>>>>>>>>>>>>>>>>>> ANSWER ADMINISTRATION < < < < < < < < < < < < < < < < < < < < */
/**
==============================================================================
* This script allows to manage answers
*
* It is included from the script admin.php
* @author Olivier Brouckaert
* @package dokeos.exercise
==============================================================================
*/
// ALLOWED_TO_INCLUDE is defined in admin.php
if(!defined('ALLOWED_TO_INCLUDE'))
{
exit();
}
$modifyAnswers = $_GET['hotspotadmin'];
if(!is_object($objQuestion))
{
$objQuestion = Question :: read($modifyAnswers);
}
$questionName=$objQuestion->selectTitle();
$answerType=$objQuestion->selectType();
$pictureName=$objQuestion->selectPicture();
$debug = 0; // debug variable to get where we are
$okPicture=empty($pictureName)?false:true;
// if we come from the warning box "this question is used in serveral exercises"
if($modifyIn)
{
if($debug>0){echo '$modifyIn was set'."< br / > \n";}
// if the user has chosed to modify the question only in the current exercise
if($modifyIn == 'thisExercise')
{
// duplicates the question
$questionId=$objQuestion->duplicate();
// deletes the old question
$objQuestion->delete($exerciseId);
// removes the old question ID from the question list of the Exercise object
$objExercise->removeFromList($modifyAnswers);
// adds the new question ID into the question list of the Exercise object
$objExercise->addToList($questionId);
// construction of the duplicated Question
$objQuestion = Question :: read($questionId);
// adds the exercise ID into the exercise list of the Question object
$objQuestion->addToList($exerciseId);
// copies answers from $modifyAnswers to $questionId
$objAnswer->duplicate($questionId);
// construction of the duplicated Answers
$objAnswer=new Answer($questionId);
}
$color=unserialize($color);
$reponse=unserialize($reponse);
$comment=unserialize($comment);
$weighting=unserialize($weighting);
$hotspot_coordinates=unserialize($hotspot_coordinates);
$hotspot_type=unserialize($hotspot_type);
unset($buttonBack);
}
// the answer form has been submitted
if($submitAnswers || $buttonBack)
{
if($debug>0){echo '$submitAnswers or $buttonBack was set'."< br / > \n";}
$questionWeighting=$nbrGoodAnswers=0;
for($i=1;$i < = $nbrAnswers;$i++)
{
if($debug>0){echo str_repeat(' ',4).'$answerType is HOT_SPOT'."< br / > \n";}
$reponse[$i]=trim($reponse[$i]);
$comment[$i]=trim($comment[$i]);
$weighting[$i]=intval($weighting[$i]);
// checks if field is empty
if(empty($reponse[$i]) & & $reponse[$i] != '0')
{
$msgErr=get_lang('HotspotGiveAnswers');
// clears answers already recorded into the Answer object
$objAnswer->cancel();
break;
}
if($weighting[$i] < = 0)
{
$msgErr=get_lang('HotspotWeightingError');
// clears answers already recorded into the Answer object
$objAnswer->cancel();
break;
}
if($hotspot_coordinates[$i] == '0;0|0|0' || empty($hotspot_coordinates[$i]))
{
$msgErr=get_lang('HotspotNotDrawn');
// clears answers already recorded into the Answer object
$objAnswer->cancel();
break;
}
} // end for()
if(empty($msgErr))
{
for($i=1;$i < = $nbrAnswers;$i++)
{
if($debug>0){echo str_repeat(' ',4).'$answerType is HOT_SPOT'."< br / > \n";}
$reponse[$i]=trim($reponse[$i]);
$comment[$i]=addslashes(trim($comment[$i]));
$weighting[$i]=intval($weighting[$i]);
if($weighting[$i])
{
$questionWeighting+=$weighting[$i];
}
// creates answer
$objAnswer->createAnswer($reponse[$i], '',$comment[$i],$weighting[$i],$i,$hotspot_coordinates[$i],$hotspot_type[$i]);
} // end for()
// saves the answers into the data base
$objAnswer->save();
// sets the total weighting of the question
$objQuestion->updateWeighting($questionWeighting);
$objQuestion->save($exerciseId);
$editQuestion=$questionId;
unset($modifyAnswers);
echo '< script type = "text/javascript" > window . location . href = "admin.php" < / script > ';
}
if($debug>0){echo '$modifyIn was set - end'."< br / > \n";}
}
if($modifyAnswers)
{
if($debug>0){echo str_repeat(' ',0).'$modifyAnswers is set'."< br / > \n";}
// construction of the Answer object
$objAnswer=new Answer($objQuestion -> id);
api_session_register('objAnswer');
if($debug>0){echo str_repeat(' ',2).'$answerType is HOT_SPOT'."< br / > \n";}
$TBL_ANSWERS = Database::get_course_table(TABLE_QUIZ_ANSWER);
if(!$nbrAnswers)
{
$nbrAnswers=$objAnswer->selectNbrAnswers();
$reponse=Array();
$comment=Array();
$weighting=Array();
$hotspot_coordinates=Array();
$hotspot_type=array();
for($i=1;$i < = $nbrAnswers;$i++)
{
$reponse[$i]=$objAnswer->selectAnswer($i);
$comment[$i]=$objAnswer->selectComment($i);
$weighting[$i]=$objAnswer->selectWeighting($i);
$hotspot_coordinates[$i]=$objAnswer->selectHotspotCoordinates($i);
$hotspot_type[$i]=$objAnswer->selectHotspotType($i);
}
}
$_SESSION['tmp_answers'] = array();
$_SESSION['tmp_answers']['answer'] = $reponse;
$_SESSION['tmp_answers']['comment'] = $comment;
$_SESSION['tmp_answers']['weighting'] = $weighting;
$_SESSION['tmp_answers']['hotspot_coordinates'] = $hotspot_coordinates;
$_SESSION['tmp_answers']['hotspot_type'] = $hotspot_type;
if($lessAnswers)
{
// At least 1 answer
if ($nbrAnswers > 1) {
$nbrAnswers--;
// Remove the last answer
$tmp = array_pop($_SESSION['tmp_answers']['answer']);
$tmp = array_pop($_SESSION['tmp_answers']['comment']);
$tmp = array_pop($_SESSION['tmp_answers']['weighting']);
$tmp = array_pop($_SESSION['tmp_answers']['hotspot_coordinates']);
$tmp = array_pop($_SESSION['tmp_answers']['hotspot_type']);
}
else
{
$msgErr=get_lang('MinHotspot');
}
}
if($moreAnswers)
{
if ($nbrAnswers < 12 )
{
$nbrAnswers++;
// Add a new answer
$_SESSION['tmp_answers']['answer'][]='';
$_SESSION['tmp_answers']['comment'][]='';
$_SESSION['tmp_answers']['weighting'][]='1';
$_SESSION['tmp_answers']['hotspot_coordinates'][]='0;0|0|0';
$_SESSION['tmp_answers']['hotspot_type'][]='square';
}
else
{
$msgErr=get_lang('MaxHotspot');
}
}
if($debug>0){echo str_repeat(' ',2).'$usedInSeveralExercises is untrue'."< br / > \n";}
if($debug>0){echo str_repeat(' ',4).'$answerType is HOT_SPOT'."< br / > \n";}
$hotspot_colors = array("", // $i starts from 1 on next loop (ugly fix)
"#4271B5",
"#FE8E16",
"#3B3B3B",
"#BCD631",
"#D63173",
"#D7D7D7",
"#90AFDD",
"#AF8640",
"#4F9242",
"#F4EB24",
"#ED2024",
"#45C7F0",
"#F7BDE2");
?>
< h3 >
<?php echo $langQuestion . ": " . $questionName ; ?>
< / h3 >
<?php
if(!empty($msgErr))
{
Display::display_normal_message($msgErr); //main API
}
?>
< table border = "0" cellpadding = "0" cellspacing = "0" width = "100%" >
< tr >
< td colspan = "2" style = "border:1px solid #4271b5; border-bottom:none;" > <?php echo stripslashes ( get_lang ( 'HotspotChoose' )); ?> </ td >
< / tr >
< tr >
< td width = "550" valign = "top" >
< script type = "text/javascript" >
<!--
// Version check based upon the values entered above in "Globals"
var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
// Check to see if the version meets the requirements for playback
if (hasReqestedVersion) { // if we've detected an acceptable version
var oeTags = '< object type = "application/x-shockwave-flash" data = "../plugin/hotspot/hotspot_admin.swf?modifyAnswers= <?php echo $modifyAnswers ?> " width = "550" height = "377" > '
+ '< param name = "movie" value = "../plugin/hotspot/hotspot_admin.swf?modifyAnswers= <?php echo $modifyAnswers ?> " /> '
+ '< param name = "test" value = "OOoowww fo shooww" / > '
+ '< / object > ';
document.write(oeTags); // embed the Flash Content SWF when all tests are passed
} else { // flash is too old or we can't detect the plugin
var alternateContent = 'Error< br \ / > '
+ 'This content requires the Macromedia Flash Player.< br \ / > '
+ '< a href = http://www.macromedia.com/go/getflash/ > Get Flash< \/a>';
document.write(alternateContent); // insert non-flash content
}
// -->
< / script >
< / td >
< td valign = "top" >
< form method = "post" action = " <?php echo $_SERVER [ 'PHP_SELF' ]; ?> ?hotspotadmin= <?php echo $modifyAnswers ; ?> " name = "frm_exercise" >
< input type = "hidden" name = "formSent" value = "1" / >
< input type = "hidden" name = "nbrAnswers" value = " <?php echo $nbrAnswers ; ?> " />
< table border = "0" cellpadding = "3" cellspacing = "0" style = "border: 1px solid #4271b5; border-left:none; width: 100%; " >
<!--
< tr >
< td colspan = "5" > <?php echo get_lang ( 'AnswerHotspot' ); ?> :</ td >
< / tr >
-->
< tr style = "background-color: #E6E6E6; height: 37px" >
< td style = "width: 20px; border-bottom: 1px solid #4271b5" > <?php /* echo get_lang('Hotspot'); */ ?> </ td >
< td style = "width: 100px; border-bottom: 1px solid #4271b5" > <?php echo get_lang ( 'Description' ); ?> *</ td >
< td style = "border-bottom: 1px solid #4271b5" > <?php echo get_lang ( 'Comment' ); ?> </ td >
< td style = "width: 60px; border-bottom: 1px solid #4271b5" > <?php echo get_lang ( 'QuestionWeighting' ); ?> *</ td >
< / tr >
<?php
for($i=1;$i < = $nbrAnswers;$i++)
{
?>
< tr >
< td valign = "top" >< div style = "height: 15px; width: 15px; background-color: <?php echo $hotspot_colors [ $i ]; ?> " > </ div ></ td >
< td valign = "top" align = "left" >< input type = "text" name = "reponse[ <?php echo $i ; ?> ]" value = " <?php echo htmlentities ( $reponse [ $i ]); ?> " size = "12" /></ td >
< td align = "left" >< textarea wrap = "virtual" rows = "3" cols = "10" name = "comment[ <?php echo $i ; ?> ]" style = "width: 100%" > <?php echo htmlentities ( $comment [ $i ]); ?> </ textarea ></ td >
< td valign = "top" >< input type = "text" name = "weighting[ <?php echo $i ; ?> ]" size = "1" value = " <?php echo ( isset ( $weighting [ $i ]) ? $weighting [ $i ] : 1 ); ?> " />
< input type = "hidden" name = "hotspot_coordinates[ <?php echo $i ; ?> ]" value = " <?php echo ( empty ( $hotspot_coordinates [ $i ]) ? '0;0|0|0' : $hotspot_coordinates [ $i ]); ?> " />
< input type = "hidden" name = "hotspot_type[ <?php echo $i ; ?> ]" value = " <?php echo ( empty ( $hotspot_type [ $i ]) ? 'square' : $hotspot_type [ $i ]); ?> " /></ td >
< / tr >
<?php
}
?>
< tr >
< td colspan = "5" >
< input type = "submit" name = "lessAnswers" value = " <?php echo get_lang ( 'LessHotspots' ); ?> " />
< input type = "submit" name = "moreAnswers" value = " <?php echo get_lang ( 'MoreHotspots' ); ?> " />
< hr noshade = "noshade" size = "1" style = "color: #4271b5" / >
< input type = "submit" name = "submitAnswers" value = " <?php echo get_lang ( 'Ok' ); ?> " />
< input type = "submit" name = "cancelAnswers" value = " <?php echo get_lang ( 'Cancel' ); ?> " onclick = "javascript:if(!confirm(' <?php echo addslashes ( htmlentities ( get_lang ( 'ConfirmYourChoice' ))); ?> ')) return false;" />
< / td >
< / tr >
< / table >
< / form >
< table cellpadding = "0" cellspacing = "0" >
< tr >
< td style = "text-align:center; vertical-align:top; width:20px;" > *< / td >
< td style = "width:auto;" > <?php echo get_lang ( 'HotspotRequired' ); ?> </ td >
< / tr >
< / table >
< / td >
< / tr >
< / table >
<?php
if($debug>0){echo str_repeat(' ',0).'$modifyAnswers was set - end'."< br / > \n";}
}
?>