File Source for answer

<?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 des Palais 44 Paleizenstraat
B-1030 Brussels - Belgium
Tel. +32 (2) 211 34 56
*/
/**
* This script allows to manage answers. It is included from the script admin.php
* @package dokeos.exercise
* @author Olivier Brouckaert
* @version $Id: answer_admin.inc.php 13301 2007-09-27 03:47:39Z yannoo $
*/
// ALLOWED_TO_INCLUDE is defined in admin.php
if(!defined('ALLOWED_TO_INCLUDE'))
{
exit();
}
if(!is_object($objQuestion))
{
$objQuestion = Question :: read($_GET['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);
}
if($answerType == UNIQUE_ANSWER || $answerType == MULTIPLE_ANSWER)
{
$correct=unserialize($correct);
$reponse=unserialize($reponse);
$comment=unserialize($comment);
$weighting=unserialize($weighting);
}
//matching
elseif($answerType == MATCHING)
{
$option=unserialize($option);
$match=unserialize($match);
$sel=unserialize($sel);
$weighting=unserialize($weighting);
}
//free answer
elseif($answerType == FREE_ANSWER )
{
$reponse=unserialize($reponse);
$comment=unserialize($comment);
$free_comment=$comment;
$weighting=unserialize($weighting);
}
elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER)
{
$color=unserialize($color);
$reponse=unserialize($reponse);
$comment=unserialize($comment);
$weighting=unserialize($weighting);
$hotspot_coordinates=unserialize($hotspot_coordinates);
$hotspot_type=unserialize($hotspot_type);
}
//fill in blanks
else
{
$reponse=unserialize($reponse);
$comment=unserialize($comment);
$blanks=unserialize($blanks);
$weighting=unserialize($weighting);
}
unset($buttonBack);
}
// the answer form has been submitted
if($submitAnswers || $buttonBack)
{
if($debug>0){echo '$submitAnswers or $buttonBack was set'."<br />\n";}
if($answerType == UNIQUE_ANSWER || $answerType == MULTIPLE_ANSWER)
{
if($debug>0){echo '  $answerType is UNIQUE_ANSWER or MULTIPLE_ANSWER'."<br />\n";}
$questionWeighting=$nbrGoodAnswers=0;
for($i=1;$i <= $nbrAnswers;$i++)
{
$reponse[$i]=trim($reponse[$i]);
$comment[$i]=trim($comment[$i]);
$weighting[$i]=intval($weighting[$i]);
if($answerType == UNIQUE_ANSWER)
{
if($debug>0){echo str_repeat(' ',4).'$answerType is UNIQUE_ANSWER'."<br />\n";}
$goodAnswer=($correct == $i)?1:0;
}
else
{
$goodAnswer=$correct[$i];
}
if($goodAnswer)
{
$nbrGoodAnswers++;
// a good answer can't have a negative weighting
$weighting[$i]=abs($weighting[$i]);
// calculates the sum of answer weighting only if it is different from 0 and the answer is good
if($weighting[$i])
{
$questionWeighting+=$weighting[$i];
}
}
elseif($answerType == MULTIPLE_ANSWER)
{
if($debug>0){echo str_repeat(' ',4).'$answerType is MULTIPLE_ANSWER'."<br />\n";}
// a bad answer can't have a positive weighting
$weighting[$i]=0-abs($weighting[$i]);
}
// checks if field is empty
if(empty($reponse[$i]) && $reponse[$i] != '0')
{
$msgErr=get_lang('GiveAnswers');
// clears answers already recorded into the Answer object
$objAnswer->cancel();
break;
}
else
{
// adds the answer into the object
$objAnswer->createAnswer($reponse[$i],$goodAnswer,$comment[$i],$weighting[$i],$i);
//added
//if($_REQUEST['myid']==1)
$mainurl="admin.php";
// else
// $mainurl="question_pool.php";
?>
<script>
window.location.href='<?php echo $mainurl;?>';
</script>
<?php
}
} // end for()
if(empty($msgErr))
{
if(!$nbrGoodAnswers)
{
$msgErr=($answerType == UNIQUE_ANSWER)?get_lang('ChooseGoodAnswer'):get_lang('ChooseGoodAnswers');
// clears answers already recorded into the Answer object
$objAnswer->cancel();
}
// checks if the question is used in several exercises
elseif($exerciseId && !$modifyIn && $objQuestion->selectNbrExercises() > 1)
{
$usedInSeveralExercises=1;
}
else
{
// 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($modifyAnswers);
}
}
}
elseif($answerType == FILL_IN_BLANKS)
{
if($debug>0){echo str_repeat(' ',2).'$answerType is FILL_IN_BLANKS'."<br />\n";}
$reponse=trim($reponse);
if(!$buttonBack)
{
if($debug>0){echo str_repeat(' ',4).'$buttonBack is not set'."<br />\n";}
if($setWeighting)
{
$blanks=unserialize($blanks);
// checks if the question is used in several exercises
if($exerciseId && !$modifyIn && $objQuestion->selectNbrExercises() > 1)
{
$usedInSeveralExercises=1;
}
else
{
// separates text and weightings by '::'
$reponse.='::';
$questionWeighting=0;
foreach($weighting as $val)
{
// a blank can't have a negative weighting
$val=abs($val);
$questionWeighting+=$val;
// adds blank weighting at the end of the text
$reponse.=$val.',';
}
$reponse=substr($reponse,0,-1);
$objAnswer->createAnswer($reponse,0,'',0,'');
$objAnswer->save();
//added
//if($_REQUEST['myid']==1)
$mainurl="admin.php";
// else
// $mainurl="question_pool.php";
?>
<script>
window.location.href='<?php echo $mainurl;?>';
</script>
<?php
// sets the total weighting of the question
$objQuestion->updateWeighting($questionWeighting);
$objQuestion->save($exerciseId);
$editQuestion=$questionId;
unset($modifyAnswers);
}
}
// if no text has been typed or the text contains no blank
elseif(empty($reponse))
{
$msgErr=get_lang('GiveText');
}
elseif(!ereg('\[.+\]',$reponse))
{
$msgErr=get_lang('DefineBlanks');
}
else
{
// now we're going to give a weighting to each blank
$setWeighting=1;
unset($submitAnswers);
// removes character '::' possibly inserted by the user in the text
$reponse=str_replace('::','',$reponse);
// we save the answer because it will be modified
$temp=$reponse;
// 1. find everything between the [tex] and [/tex] tags
$startlocations=strpos($temp,'[tex]');
$endlocations=strpos($temp,'[/tex]');
if($startlocations !== false && $endlocations !== false)
{
$texstring=substr($temp,$startlocations,$endlocations-$startlocations+6);
// 2. replace this by {texcode}
$temp=str_replace($texstring,"{texcode}",$temp);
}
// blanks will be put into an array
$blanks=Array();
$i=1;
// the loop will stop at the end of the text
while(1)
{
// quits the loop if there are no more blanks
if(($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
$blanks[$i++]=substr($temp,0,$pos);
// removes the character ']'
$temp=substr($temp,$pos+1);
}
}
}
else
{
unset($setWeighting);
}
}
elseif($answerType == FREE_ANSWER)
{
if($debug>0){echo str_repeat(' ',2).'$answerType is FREE_ANSWER'."<br />\n";}
if ( empty ( $free_comment ) ) {
$free_comment = $_POST['comment'];
}
if ( empty ( $weighting ) ) {
$weighting = $_POST['weighting'];
$weightingtemp = $_POST['weighting'];
}
if(!$buttonBack)
{
if($debug>0){echo str_repeat(' ',4).'$buttonBack is not set'."<br />\n";}
if($setWeighting)
{
if($debug>0){echo str_repeat(' ',6).'$setWeighting is set'."<br />\n";}
// checks if the question is used in several exercises
if($exerciseId && !$modifyIn && $objQuestion->selectNbrExercises() > 1)
{
$usedInSeveralExercises=1;
}
else
{
$objAnswer->createAnswer('',0,$free_comment,$weighting,'');
$objAnswer->save();
// sets the total weighting of the question
$objQuestion->updateWeighting($weighting);
$objQuestion->save($exerciseId);
$editQuestion=$questionId;
unset($modifyAnswers);//added
//if($_REQUEST['myid']==1)
$mainurl="admin.php";
// else
// $mainurl="question_pool.php";
?>
<script>
window.location.href='<?php echo $mainurl;?>';
</script>
<?php
}
}
// if no text has been typed or the text contains no blank
elseif(empty($free_comment))
{
if($debug>0){echo str_repeat(' ',6).'$free_comment is empty'."<br />\n";}
$msgErr=get_lang('GiveText');
}
/*elseif(!ereg('\[.+\]',$reponse))
{
$msgErr=get_lang('DefineBlanks');
}*/
else
{
if($debug>0){echo str_repeat(' ',6).'$setWeighting is not set and $free_comment is not empty'."<br />\n";}
// now we're going to give a weighting to each blank
$setWeighting=1;
unset($submitAnswers);
}
}
else
{
unset($setWeighting);
}
}
elseif($answerType == MATCHING)
{
if($debug>0){echo str_repeat(' ',2).'$answerType is MATCHING'."<br />\n";}
for($i=1;$i <= $nbrOptions;$i++)
{
$option[$i]=trim($option[$i]);
// checks if field is empty
if(empty($option[$i]) && $option[$i] != '0')
{
$msgErr=get_lang('FillLists');
// clears options already recorded into the Answer object
$objAnswer->cancel();
break;
}
else
{
// adds the option into the object
$objAnswer->createAnswer($option[$i],0,'',0,$i);
}
}
$questionWeighting=0;
if(empty($msgErr))
{
for($j=1;$j <= $nbrMatches;$i++,$j++)
{
$match[$i]=trim($match[$i]);
$weighting[$i]=abs(intval($weighting[$i]));
$questionWeighting+=$weighting[$i];
// checks if field is empty
if(empty($match[$i]) && $match[$i] != '0')
{
$msgErr=get_lang('FillLists');
// clears matches already recorded into the Answer object
$objAnswer->cancel();
break;
}
// check if correct number
else
{
// adds the answer into the object
$objAnswer->createAnswer($match[$i],$sel[$i],'',$weighting[$i],$i);
//added
//if($_REQUEST['myid']==1)
$mainurl="admin.php";
//else
//$mainurl="question_pool.php";
?>
<script>
window.location.href='<?php echo $mainurl;?>';
</script>
<?php
}
}
}
if(empty($msgErr))
{
// checks if the question is used in several exercises
if($exerciseId && !$modifyIn && $objQuestion->selectNbrExercises() > 1)
{
$usedInSeveralExercises=1;
}
else
{
// all answers have been recorded, so we save them into the data base
$objAnswer->save();
// sets the total weighting of the question
$objQuestion->updateWeighting($questionWeighting);
$objQuestion->save($exerciseId);
$editQuestion=$questionId;
unset($modifyAnswers);
}
}
}
elseif($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER)
{
$questionWeighting=$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))
{
if($exerciseId && !$modifyIn && $objQuestion->selectNbrExercises() > 1)
{
$usedInSeveralExercises=1;
}
else
{
for($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($modifyAnswers);
}
}
}
if($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
$objAnswer=new Answer($questionId);
api_session_register('objAnswer');
if($answerType == UNIQUE_ANSWER || $answerType == MULTIPLE_ANSWER)
{
if($debug>0){echo str_repeat(' ',2).'$answerType is UNIQUE_ANSWER or MULTIPLE_ANSWER'."<br />\n";}
if(!$nbrAnswers)
{
$nbrAnswers=$objAnswer->selectNbrAnswers();
$reponse=Array();
$comment=Array();
$weighting=Array();
// initializing
if($answerType == MULTIPLE_ANSWER)
{
$correct=Array();
}
else
{
$correct=0;
}
for($i=1;$i <= $nbrAnswers;$i++)
{
$reponse[$i]=$objAnswer->selectAnswer($i);
$comment[$i]=$objAnswer->selectComment($i);
$weighting[$i]=$objAnswer->selectWeighting($i);
if($answerType == MULTIPLE_ANSWER)
{
$correct[$i]=$objAnswer->isCorrect($i);
}
elseif($objAnswer->isCorrect($i))
{
$correct=$i;
}
}
}
if($lessAnswers)
{
$nbrAnswers--;
}
if($moreAnswers)
{
$nbrAnswers++;
}
// minimum 2 answers
if($nbrAnswers < 2)
{
$nbrAnswers=2;
}
}
elseif($answerType == FILL_IN_BLANKS)
{
if($debug>0){echo str_repeat(' ',2).'$answerType is FILL_IN_BLANKS'."<br />\n";}
if(!$submitAnswers && !$buttonBack)
{
if(!$setWeighting)
{
$reponse=$objAnswer->selectAnswer(1);
list($reponse,$weighting)=explode('::',$reponse);
$weighting=explode(',',$weighting);
$temp=Array();
// keys of the array go from 1 to N and not from 0 to N-1
for($i=0;$i < sizeof($weighting);$i++)
{
$temp[$i+1]=$weighting[$i];
}
$weighting=$temp;
}
elseif(!$modifyIn)
{
$weighting=unserialize($weighting);
}
}
}
elseif($answerType == FREE_ANSWER)
{
if($debug>0){echo str_repeat(' ',2).'$answerType is FREE_ANSWER'."<br />\n";}
if(!$submitAnswers && !$buttonBack)
{
if($debug>0){echo str_repeat(' ',4).'$submitAnswers && $buttonsBack are unset'."<br />\n";}
if(!$setWeighting)
{
if($debug>0){echo str_repeat(' ',6).'$setWeighting is unset'."<br />\n";}
//YW: not quite sure about whether the comment has already been recovered,
// but as we have passed into the submitAnswers loop, this should be in the
// objAnswer object.
$free_comment = $objAnswer->selectComment(1);
$weighting=$objAnswer->selectWeighting(1); //added
}
elseif(!$modifyIn)
{
if($debug>0){echo str_repeat(' ',6).'$setWeighting is set and $modifyIn is unset'."<br />\n";}
$weighting=unserialize($weighting);
}
}
}
elseif($answerType == MATCHING)
{
if($debug>0){echo str_repeat(' ',2).'$answerType is MATCHING'."<br />\n";}
if(!$nbrOptions || !$nbrMatches)
{
$option=Array();
$match=Array();
$sel=Array();
$nbrOptions=$nbrMatches=0;
// fills arrays with data from de data base
for($i=1;$i <= $objAnswer->selectNbrAnswers();$i++)
{
// it is a match
if($objAnswer->isCorrect($i))
{
$match[$i]=$objAnswer->selectAnswer($i);
$sel[$i]=$objAnswer->isCorrect($i);
$weighting[$i]=$objAnswer->selectWeighting($i);
$nbrMatches++;
}
// it is an option
else
{
$option[$i]=$objAnswer->selectAnswer($i);
$nbrOptions++;
}
}
}
if($lessOptions)
{
// keeps the correct sequence of array keys when removing an option from the list
for($i=$nbrOptions+1,$j=1;$nbrOptions > 2 && $j <= $nbrMatches;$i++,$j++)
{
$match[$i-1]=$match[$i];
$sel[$i-1]=$sel[$i];
$weighting[$i-1]=$weighting[$i];
}
unset($match[$i-1]);
unset($sel[$i-1]);
$nbrOptions--;
}
if($moreOptions)
{
// keeps the correct sequence of array keys when adding an option into the list
for($i=$nbrMatches+$nbrOptions;$i > $nbrOptions;$i--)
{
$match[$i+1]=$match[$i];
$sel[$i+1]=$sel[$i];
$weighting[$i+1]=$weighting[$i];
}
unset($match[$i+1]);
unset($sel[$i+1]);
$nbrOptions++;
}
if($lessMatches)
{
$nbrMatches--;
}
if($moreMatches)
{
$nbrMatches++;
}
// minimum 2 options
if($nbrOptions < 2)
{
$nbrOptions=2;
}
// minimum 2 matches
if($nbrMatches < 2)
{
$nbrMatches=2;
}
}
elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER)
{
if($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
{
$msgErr=get_lang('MaxHotspot');
}
}
}
if(!$usedInSeveralExercises)
{
if($debug>0){echo str_repeat(' ',2).'$usedInSeveralExercises is untrue'."<br />\n";}
if($answerType == UNIQUE_ANSWER || $answerType == MULTIPLE_ANSWER)
{
if($debug>0){echo str_repeat(' ',4).'$answerType is UNIQUE_ANSWER or MULTIPLE_ANSWER'."<br />\n";}
?>
<h3>
<?php echo $questionName; ?>
</h3>
<?php
/*if ($exerciseId==0){
?>
<form method="post" action="<?php echo api_get_self(); ?>?modifyAnswers=<?php echo $modifyAnswers; ?>">
<?php }
else
{
?>
<form method="post" action="<?php echo api_get_self(); ?>?exerciseId=<?php echo $exerciseId; ?>">
<?php
}*/
?>
<form method="post" action="<?php echo api_get_self(); ?>?modifyAnswers=<?php echo $modifyAnswers; ?>">
<input type="hidden" name="formSent" value="1">
<input type="hidden" name="nbrAnswers" value="<?php echo $nbrAnswers; ?>">
<input type="hidden" name="myid" value="<?php echo $_REQUEST['myid']; ?>">
<table width="650" border="0" cellpadding="5">
<?php
if($okPicture)
{
?>
<tr>
<td colspan="5" align="center"><img src="../document/download.php?doc_url=%2Fimages%2F<?php echo $pictureName; ?>" border="0"></td>
</tr>
<?php
}
if(!empty($msgErr))
{
?>
<tr>
<td colspan="5">
<?php
Display::display_normal_message($msgErr); //main API
?>
</td>
</tr>
<?php
}
?>
<tr>
<td colspan="5"><?php echo get_lang('Answers'); ?> :</td>
</tr>
<tr bgcolor="#E6E6E6">
<td>N�</td>
<td><?php echo get_lang('True'); ?></td>
<td><?php echo get_lang('Answer'); ?></td>
<td><?php echo get_lang('Comment'); ?></td>
<td><?php echo get_lang('QuestionWeighting'); ?></td>
</tr>
<?php
for($i=1;$i <= $nbrAnswers;$i++)
{
?>
<tr>
<td valign="top"><?php echo $i; ?></td>
<?php
if($answerType == UNIQUE_ANSWER)
{
?>
<td valign="top"><input class="checkbox" type="radio" value="<?php echo $i; ?>" name="correct" <?php if($correct == $i) echo 'checked="checked"'; ?>></td>
<?php
}
else
{
?>
<td valign="top"><input class="checkbox" type="checkbox" value="1" name="correct[<?php echo $i; ?>]" <?php if($correct[$i]) echo 'checked="checked"'; ?>></td>
<?php
}
?>
<td align="left"><textarea wrap="virtual" rows="7" cols="25" name="reponse[<?php echo $i; ?>]"><?php echo htmlentities($reponse[$i],ENT_QUOTES,$charset); ?></textarea></td>
<td align="left"><textarea wrap="virtual" rows="7" cols="25" name="comment[<?php echo $i; ?>]"><?php echo htmlentities($comment[$i],ENT_QUOTES,$charset); ?></textarea></td>
<td valign="top"><input type="text" name="weighting[<?php echo $i; ?>]" size="5" value="<?php echo isset($weighting[$i])?$weighting[$i]:0; ?>"></td>
</tr>
<?php
}
?>
<tr>
<td colspan="5">
<input type="submit" name="submitAnswers" value="<?php echo get_lang('Ok'); ?>">
  <input type="submit" name="lessAnswers" value="<?php echo get_lang('LessAnswers'); ?>">
  <input type="submit" name="moreAnswers" value="<?php echo get_lang('MoreAnswers'); ?>">
</td>
</tr>
</table>
</form>
<?php
}
elseif($answerType == FILL_IN_BLANKS)
{
if($debug>0){echo str_repeat(' ',4).'$answerType is FILL_IN_BLANKS'."<br />\n";}
?>
<h3>
<?php echo $questionName; ?>
</h3>
<form name="formulaire" method="post" action="<?php echo api_get_self(); ?>?modifyAnswers=<?php echo $modifyAnswers; ?>">
<input type="hidden" name="formSent" value="1">
<input type="hidden" name="setWeighting" value="<?php echo $setWeighting; ?>">
<input type="hidden" name="myid" value="<?php echo $_REQUEST['myid']; ?>">
<?php
if(!$setWeighting)
{
?>
<input type="hidden" name="weighting" value="<?php echo $submitAnswers?htmlentities($weighting,ENT_QUOTES,$charset):htmlentities(serialize($weighting),ENT_QUOTES,$charset); ?>">
<table border="0" cellpadding="5" width="500">
<?php
if($okPicture)
{
?>
<tr>
<td align="center"><img src="../document/download.php?doc_url=%2Fimages%2F<?php echo $pictureName; ?>" border="0"></td>
</tr>
<?php
}
if(!empty($msgErr))
{
?>
<tr>
<td colspan="2">
<?php
Display::display_normal_message($msgErr); //main API
?>
</td>
</tr>
<?php
}
?>
<tr>
<td><?php echo get_lang('TypeTextBelow').', '.get_lang('And').' '.get_lang('UseTagForBlank'); ?> :</td>
</tr>
<tr>
<td><textarea wrap="virtual" name="reponse" cols="65" rows="6"><?php if(!$submitAnswers && empty($reponse)) echo get_lang('DefaultTextInBlanks'); else echo htmlentities($reponse,ENT_QUOTES,$charset); ?></textarea></td>
</tr>
<tr>
<td colspan="5">
<!-- <input type="submit" name="cancelAnswers" value="<?php echo get_lang('Cancel'); ?>" onclick="javascript:if(!confirm('<?php echo addslashes(htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)); ?>')) return false;">
   //--> <input type="submit" name="submitAnswers" value="<?php echo get_lang('Ok'); ?>">
</td>
</tr>
</table>
<?php
}
else
{
?>
<input type="hidden" name="blanks" value="<?php echo htmlentities(serialize($blanks),ENT_QUOTES,$charset); ?>">
<input type="hidden" name="reponse" value="<?php echo htmlentities($reponse,ENT_QUOTES,$charset); ?>">
<table border="0" cellpadding="5" width="500">
<?php
if(!empty($msgErr))
{
?>
<tr>
<td colspan="2">
<?php
Display::display_normal_message($msgErr); //main API
?>
</td>
</tr>
<?php
}
?>
<tr>
<td colspan="2"><?php echo get_lang('WeightingForEachBlank'); ?> :</td>
</tr>
<tr>
<td colspan="2"> </td>
</tr>
<?php
foreach($blanks as $i=>$blank)
{
?>
<tr>
<td width="50%"><?php echo $blank; ?> :</td>
<td width="50%"><input type="text" name="weighting[<?php echo $i; ?>]" size="5" value="<?php echo intval($weighting[$i]); ?>"></td>
</tr>
<?php
}
?>
<tr>
<td colspan="2"> </td>
</tr>
<tr>
<td colspan="2">
<input type="submit" name="buttonBack" value="< <?php echo get_lang('Back'); ?>">
  <input type="submit" name="submitAnswers" value="<?php echo get_lang('Ok'); ?>">
</td>
</tr>
</table>
<?php
}
?>
</form>
<?php
}
elseif($answerType == FREE_ANSWER) //edited by Priya Saini
{
if($debug>0){echo str_repeat(' ',4).'$answerType is FREE_ANSWER'."<br />\n";}
?>
<h3>
<?php echo $questionName;?></h3><?php
$sql = "select description from `".$TBL_QUESTIONS."` where id = '$questionId'";
$res = api_sql_query($sql,_FILE_,_LINE_);
?>
     
<?php
echo $desc = mysql_result($res,0,'description');
?>
<form name="formulaire" method="post" action="<?php echo api_get_self(); ?>?modifyAnswers=<?php echo $modifyAnswers; ?>">
<input type="hidden" name="formSent" value="1">
<input type="hidden" name="setWeighting" value="1">
<input type="hidden" name="myid" value="<?php echo $_REQUEST['myid'];?>">
<table border="0" cellpadding="5" width="500">
<?php
if($okPicture)
{ echo "Ok picture";
?>
<tr>
<td align="center"><img src="../document/download.php?doc_url=%2Fimages%2F<?php echo $pictureName; ?>" border="0"></td>
</tr>
<?php
}
if(!empty($msgErr))
{
?>
<tr>
<td colspan="2">
<?php
Display::display_normal_message($msgErr); //main API
?>
</td>
</tr>
<?php
}
if(!$submitAnswers && empty($free_comment))
echo '';
else
echo htmlentities($free_comment,ENT_QUOTES,$charset); ?>
<tr><td width="22%"><?php echo get_lang('QuestionWeighting'); ?></td>
<td width="78%"><input type="text" size="4" name="weighting" value="<?php if(!$submitAnswers && !isset($weighting)) echo '0'; else echo $weighting; ?>"></td>
</tr>
<tr>
<td colspan="5">
<input type="submit" name="submitAnswers" value="<?php echo get_lang('Ok'); ?>">
</td>
</tr>
</table>
<?php
}
//end of FREE_ANSWER type*/
elseif($answerType == MATCHING)
{
?>
<h3>
<?php echo $questionName; ?>
</h3>
<form method="post" action="<?php echo api_get_self(); ?>?modifyAnswers=<?php echo $modifyAnswers; ?>">
<input type="hidden" name="formSent" value="1">
<input type="hidden" name="nbrOptions" value="<?php echo $nbrOptions; ?>">
<input type="hidden" name="nbrMatches" value="<?php echo $nbrMatches; ?>">
<input type="hidden" name="myid" value="<?php echo $_REQUEST['myid'];?>">
<table border="0" cellpadding="5">
<?php
if($okPicture)
{
?>
<tr>
<td colspan="4" align="center"><img src="../document/download.php?doc_url=%2Fimages%2F<?php echo $pictureName; ?>" border="0"></td>
</tr>
<?php
}
if(!empty($msgErr))
{
?>
<tr>
<td colspan="4">
<?php
Display::display_normal_message($msgErr); //main API
?>
</td>
</tr>
<?php
}
$listeOptions=Array();
// creates an array with the option letters
for($i=1,$j='A';$i <= $nbrOptions;$i++,$j++)
{
$listeOptions[$i]=$j;
}
?>
<tr>
<td colspan="3"><?php echo get_lang('MakeCorrespond'); ?> :</td>
<td><?php echo get_lang('QuestionWeighting'); ?> :</td>
</tr>
<?php
for($j=1;$j <= $nbrMatches;$i++,$j++)
{
?>
<tr>
<td><?php echo $j; ?></td>
<td><input type="text" name="match[<?php echo $i; ?>]" size="58" value="<?php if(!$formSent && !isset($match[$i])) echo ${"langDefaultMakeCorrespond$j"}; else echo htmlentities($match[$i],ENT_QUOTES,$charset); ?>"></td>
<td align="center"><select name="sel[<?php echo $i; ?>]">
<?php
foreach($listeOptions as $key=>$val)
{
?>
<option value="<?php echo $key; ?>" <?php if((!$submitAnswers && !isset($sel[$i]) && $j == 2 && $val == 'B') || $sel[$i] == $key) echo 'selected="selected"'; ?>><?php echo $val; ?></option>
<?php
} // end foreach()
?>
</select></td>
<td align="center"><input type="text" size="8" name="weighting[<?php echo $i; ?>]" value="<?php if(!$submitAnswers && !isset($weighting[$i])) echo '5'; else echo $weighting[$i]; ?>"></td>
</tr>
<?php
} // end for()
?>
<tr>
<td colspan="4">
<input type="submit" name="lessMatches" value="<?php echo get_lang('LessElements'); ?>">
  <input type="submit" name="moreMatches" value="<?php echo get_lang('MoreElements'); ?>">
</td>
</tr>
<tr>
<td colspan="4"><?php echo get_lang('DefineOptions'); ?> :</td>
</tr>
<?php
foreach($listeOptions as $key=>$val)
{
?>
<tr>
<td><?php echo $val; ?></td>
<td colspan="3"><input type="text" name="option[<?php echo $key; ?>]" size="80" value="<?php if(!$formSent && !isset($option[$key])) echo get_lang("DefaultMatchingOpt$val"); else echo htmlentities($option[$key],ENT_QUOTES,$charset); ?>"></td>
</tr>
<?php
} // end foreach()
?>
<tr>
<td colspan="4">
<input type="submit" name="lessOptions" value="<?php echo get_lang('LessElements'); ?>">
  <input type="submit" name="moreOptions" value="<?php echo get_lang('MoreElements'); ?>">
</td>
</tr>
<tr>
<td colspan="4"> </td>
</tr>
<tr>
<td colspan="4">
<!-- <input type="submit" name="cancelAnswers" value="<?php echo get_lang('Cancel'); ?>" onclick="javascript:if(!confirm('<?php echo addslashes(htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)); ?>')) return false;">
   //--> <input type="submit" name="submitAnswers" value="<?php echo get_lang('Ok'); ?>">
</td>
</tr>
</table>
</form>
<?php
}
elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER)
{
if($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 api_get_self(); ?>?modifyAnswers=<?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[$i],ENT_QUOTES,$charset); ?>" 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[$i],ENT_QUOTES,$charset); ?></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'),ENT_QUOTES,$charset)); ?>')) return false;" />
</td>
</tr>
</table>
</form>
<table cellpadding="0" cellspacing="0">
<tr>
<td style="text-align:center; vertical-align:top; width:20px;">*</td>
<td style="width:auto;"><?php echo get_lang('HotspotRequired'); ?></td>
</tr>
</table>
</td>
</tr>
</table>
<?php
}
}
if($debug>0){echo str_repeat(' ',0).'$modifyAnswers was set - end'."<br />\n";}
}
?>

Source for file answer_admin.inc.php