Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/exercice/hotspot_admin.inc.php

345 lines
12 KiB

<?php //$id:$
/* For licensing terms, see /dokeos_license.txt */
//error_log(__FILE__);
/**
* This script allows to manage answers. It is included from the script admin.php
* @package dokeos.exercise
* @author Toon Keppens
* @version $Id: admin.php 10680 2007-01-11 21:26:23Z pcool $
*/
require_once(api_get_path(LIBRARY_PATH).'text.lib.php');
// 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($debug>0){echo str_repeat('&nbsp;',4).'$answerType is HOT_SPOT'."<br />\n";}
$reponse[$i]=trim($reponse[$i]);
$comment[$i]=trim($comment[$i]);
$weighting[$i]=$weighting[$i]; // it can be float
// 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($debug>0){echo str_repeat('&nbsp;',4).'$answerType is HOT_SPOT'."<br />\n";}
$reponse[$i]=trim($reponse[$i]);
$comment[$i]=addslashes(trim($comment[$i]));
$weighting[$i]=($weighting[$i]); //it can be float
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($debug>0){echo str_repeat('&nbsp;',0).'$modifyAnswers is set'."<br />\n";}
// construction of the Answer object
$objAnswer=new Answer($objQuestion -> id);
api_session_register('objAnswer');
if($debug>0){echo str_repeat('&nbsp;',2).'$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('&nbsp;',2).'$usedInSeveralExercises is untrue'."<br />\n";}
if($debug>0){echo str_repeat('&nbsp;',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.' <img src="../img/info3.gif" title="'.strip_tags(get_lang('HotspotChoose')).'" alt="'.strip_tags(get_lang('HotspotChoose')).'" />'; ?>
</h3>
<?php
if(!empty($msgErr))
{
Display::display_normal_message($msgErr); //main API
}
?>
<form method="post" action="<?php echo api_get_self(); ?>?hotspotadmin=<?php echo $modifyAnswers; ?>" name="frm_exercise">
<table border="0" cellpadding="0" cellspacing="2" width="100%">
<tr>
<td colspan="2" valign="bottom">
<button type="submit" class="minus" name="lessAnswers" value="<?php echo get_lang('LessHotspots'); ?>" ><?php echo get_lang('LessHotspots'); ?></button>
<button type="submit" class="plus" name="moreAnswers" value="<?php echo get_lang('MoreHotspots'); ?>" /><?php echo get_lang('langMoreHotspotsImage'); ?></button>
<button type="submit" class="cancel" name="cancelAnswers" value="<?php echo get_lang('Cancel'); ?>" onclick="javascript:if(!confirm('<?php echo addslashes(htmlentities(get_lang('ConfirmYourChoice'))); ?>')) return false;" ><?php echo get_lang('Cancel'); ?></button>
<button type="submit" class="save" name="submitAnswers" value="<?php echo get_lang('Ok'); ?>" /><?php echo get_lang('AddQuestionToExercise'); ?></button>
</td>
</tr>
<tr>
<td valign="top" style="border:1px solid #4271b5;border-top:none;border-bottom:none;border-right:none;" >
<input type="hidden" name="formSent" value="1" />
<input type="hidden" name="nbrAnswers" value="<?php echo $nbrAnswers; ?>" />
<table class="data_table">
<!--
<tr>
<td colspan="5"><?php echo get_lang('AnswerHotspot'); ?> :</td>
</tr>
-->
<tr>
<th width="5">&nbsp;<?php /* echo get_lang('Hotspot'); */ ?></th>
<th ><?php echo get_lang('HotspotDescription'); ?>*</th>
<th ><?php echo get_lang('Comment'); ?></th>
<th><?php echo get_lang('QuestionWeighting'); ?>*</th>
</tr>
<?php
for($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 $i; ?>]" value="<?php echo api_htmlentities($reponse[$i], ENT_QUOTES, api_get_system_encoding()); ?>" size="45" /></td>
<td align="left"><textarea wrap="virtual" rows="1" cols="25" name="comment[<?php echo $i; ?>]" style="width: 100%"><?php echo stripslashes(api_htmlentities($comment[$i], ENT_QUOTES, api_get_system_encoding())); ?></textarea></td>
<td valign="top"><input type="text" name="weighting[<?php echo $i; ?>]" size="5" value="<?php echo (isset($weighting[$i]) ? float_format($weighting[$i],1) : 10); ?>" />
<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
}
?>
</table>
</td>
</tr>
<tr>
<td colspan="2" valign="top" style="border:1px solid #ccc;border-top:none">
<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="720" height="650">'
+ '<param name="movie" value="../plugin/hotspot/hotspot_admin.swf?modifyAnswers=<?php echo $modifyAnswers ?>" />'
+ '<param name="test" value="OOoowww fo shooww" />'
+ '</object>';
document.write(oeTags); // embed the Flash Content SWF when all tests are passed
} else { // flash is too old or we can't detect the plugin
var alternateContent = 'Error<br \/>'
+ 'This content requires the Macromedia Flash Player.<br \/>'
+ '<a href=http://www.macromedia.com/go/getflash/>Get Flash<\/a>';
document.write(alternateContent); // insert non-flash content
}
// -->
</script>
</td>
</tr>
</table>
</form>
<?php
if($debug>0){echo str_repeat('&nbsp;',0).'$modifyAnswers was set - end'."<br />\n";}
}
?>