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345 lines
12 KiB
345 lines
12 KiB
<?php //$id:$
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/* For licensing terms, see /dokeos_license.txt */
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//error_log(__FILE__);
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/**
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* This script allows to manage answers. It is included from the script admin.php
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* @package dokeos.exercise
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* @author Toon Keppens
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* @version $Id: admin.php 10680 2007-01-11 21:26:23Z pcool $
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*/
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require_once(api_get_path(LIBRARY_PATH).'text.lib.php');
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// ALLOWED_TO_INCLUDE is defined in admin.php
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if(!defined('ALLOWED_TO_INCLUDE')) {
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exit();
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}
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$modifyAnswers = $_GET['hotspotadmin'];
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if(!is_object($objQuestion)) {
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$objQuestion = Question :: read($modifyAnswers);
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}
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$questionName=$objQuestion->selectTitle();
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$answerType=$objQuestion->selectType();
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$pictureName=$objQuestion->selectPicture();
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$debug = 0; // debug variable to get where we are
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$okPicture=empty($pictureName)?false:true;
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// if we come from the warning box "this question is used in serveral exercises"
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if($modifyIn)
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{
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if($debug>0){echo '$modifyIn was set'."<br />\n";}
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// if the user has chosed to modify the question only in the current exercise
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if($modifyIn == 'thisExercise')
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{
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// duplicates the question
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$questionId=$objQuestion->duplicate();
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// deletes the old question
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$objQuestion->delete($exerciseId);
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// removes the old question ID from the question list of the Exercise object
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$objExercise->removeFromList($modifyAnswers);
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// adds the new question ID into the question list of the Exercise object
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$objExercise->addToList($questionId);
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// construction of the duplicated Question
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$objQuestion = Question :: read($questionId);
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// adds the exercise ID into the exercise list of the Question object
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$objQuestion->addToList($exerciseId);
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// copies answers from $modifyAnswers to $questionId
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$objAnswer->duplicate($questionId);
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// construction of the duplicated Answers
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$objAnswer=new Answer($questionId);
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}
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$color=unserialize($color);
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$reponse=unserialize($reponse);
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$comment=unserialize($comment);
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$weighting=unserialize($weighting);
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$hotspot_coordinates=unserialize($hotspot_coordinates);
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$hotspot_type=unserialize($hotspot_type);
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unset($buttonBack);
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}
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// the answer form has been submitted
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if($submitAnswers || $buttonBack)
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{
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if($debug>0){echo '$submitAnswers or $buttonBack was set'."<br />\n";}
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$questionWeighting=$nbrGoodAnswers=0;
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for($i=1;$i <= $nbrAnswers;$i++)
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{
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if($debug>0){echo str_repeat(' ',4).'$answerType is HOT_SPOT'."<br />\n";}
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$reponse[$i]=trim($reponse[$i]);
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$comment[$i]=trim($comment[$i]);
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$weighting[$i]=$weighting[$i]; // it can be float
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// checks if field is empty
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if(empty($reponse[$i]) && $reponse[$i] != '0') {
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$msgErr=get_lang('HotspotGiveAnswers');
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// clears answers already recorded into the Answer object
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$objAnswer->cancel();
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break;
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}
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if($weighting[$i] <= 0) {
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$msgErr=get_lang('HotspotWeightingError');
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// clears answers already recorded into the Answer object
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$objAnswer->cancel();
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break;
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}
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if($hotspot_coordinates[$i] == '0;0|0|0' || empty($hotspot_coordinates[$i])) {
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$msgErr=get_lang('HotspotNotDrawn');
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// clears answers already recorded into the Answer object
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$objAnswer->cancel();
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break;
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}
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} // end for()
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if(empty($msgErr)) {
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for($i=1;$i <= $nbrAnswers;$i++) {
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if($debug>0){echo str_repeat(' ',4).'$answerType is HOT_SPOT'."<br />\n";}
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$reponse[$i]=trim($reponse[$i]);
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$comment[$i]=addslashes(trim($comment[$i]));
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$weighting[$i]=($weighting[$i]); //it can be float
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if($weighting[$i]) {
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$questionWeighting+=$weighting[$i];
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}
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// creates answer
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$objAnswer->createAnswer($reponse[$i], '',$comment[$i],$weighting[$i],$i,$hotspot_coordinates[$i],$hotspot_type[$i]);
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} // end for()
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// saves the answers into the data base
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$objAnswer->save();
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// sets the total weighting of the question
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$objQuestion->updateWeighting($questionWeighting);
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$objQuestion->save($exerciseId);
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$editQuestion=$questionId;
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unset($modifyAnswers);
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echo '<script type="text/javascript">window.location.href="admin.php"</script>';
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}
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if($debug>0){echo '$modifyIn was set - end'."<br />\n";}
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}
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if($modifyAnswers)
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{
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if($debug>0){echo str_repeat(' ',0).'$modifyAnswers is set'."<br />\n";}
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// construction of the Answer object
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$objAnswer=new Answer($objQuestion -> id);
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api_session_register('objAnswer');
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if($debug>0){echo str_repeat(' ',2).'$answerType is HOT_SPOT'."<br />\n";}
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$TBL_ANSWERS = Database::get_course_table(TABLE_QUIZ_ANSWER);
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if(!$nbrAnswers)
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{
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$nbrAnswers=$objAnswer->selectNbrAnswers();
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$reponse=Array();
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$comment=Array();
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$weighting=Array();
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$hotspot_coordinates=Array();
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$hotspot_type=array();
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for($i=1;$i <= $nbrAnswers;$i++)
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{
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$reponse[$i]=$objAnswer->selectAnswer($i);
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$comment[$i]=$objAnswer->selectComment($i);
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$weighting[$i]=$objAnswer->selectWeighting($i);
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$hotspot_coordinates[$i]=$objAnswer->selectHotspotCoordinates($i);
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$hotspot_type[$i]=$objAnswer->selectHotspotType($i);
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}
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}
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$_SESSION['tmp_answers'] = array();
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$_SESSION['tmp_answers']['answer'] = $reponse;
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$_SESSION['tmp_answers']['comment'] = $comment;
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$_SESSION['tmp_answers']['weighting'] = $weighting;
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$_SESSION['tmp_answers']['hotspot_coordinates'] = $hotspot_coordinates;
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$_SESSION['tmp_answers']['hotspot_type'] = $hotspot_type;
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if($lessAnswers)
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{
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// At least 1 answer
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if ($nbrAnswers > 1) {
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$nbrAnswers--;
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// Remove the last answer
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$tmp = array_pop($_SESSION['tmp_answers']['answer']);
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$tmp = array_pop($_SESSION['tmp_answers']['comment']);
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$tmp = array_pop($_SESSION['tmp_answers']['weighting']);
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$tmp = array_pop($_SESSION['tmp_answers']['hotspot_coordinates']);
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$tmp = array_pop($_SESSION['tmp_answers']['hotspot_type']);
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}
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else
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{
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$msgErr=get_lang('MinHotspot');
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}
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}
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if($moreAnswers)
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{
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if ($nbrAnswers < 12)
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{
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$nbrAnswers++;
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// Add a new answer
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$_SESSION['tmp_answers']['answer'][]='';
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$_SESSION['tmp_answers']['comment'][]='';
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$_SESSION['tmp_answers']['weighting'][]='1';
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$_SESSION['tmp_answers']['hotspot_coordinates'][]='0;0|0|0';
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$_SESSION['tmp_answers']['hotspot_type'][]='square';
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}
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else
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{
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$msgErr=get_lang('MaxHotspot');
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}
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}
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if($debug>0){echo str_repeat(' ',2).'$usedInSeveralExercises is untrue'."<br />\n";}
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if($debug>0){echo str_repeat(' ',4).'$answerType is HOT_SPOT'."<br />\n";}
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$hotspot_colors = array("", // $i starts from 1 on next loop (ugly fix)
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"#4271B5",
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"#FE8E16",
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"#3B3B3B",
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"#BCD631",
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"#D63173",
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"#D7D7D7",
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"#90AFDD",
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"#AF8640",
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"#4F9242",
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"#F4EB24",
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"#ED2024",
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"#45C7F0",
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"#F7BDE2");
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?>
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<h3>
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<?php echo $langQuestion.": ".$questionName.' <img src="../img/info3.gif" title="'.strip_tags(get_lang('HotspotChoose')).'" alt="'.strip_tags(get_lang('HotspotChoose')).'" />'; ?>
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</h3>
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<?php
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if(!empty($msgErr))
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{
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Display::display_normal_message($msgErr); //main API
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}
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?>
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<form method="post" action="<?php echo api_get_self(); ?>?hotspotadmin=<?php echo $modifyAnswers; ?>" name="frm_exercise">
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<table border="0" cellpadding="0" cellspacing="2" width="100%">
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<tr>
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<td colspan="2" valign="bottom">
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<button type="submit" class="minus" name="lessAnswers" value="<?php echo get_lang('LessHotspots'); ?>" ><?php echo get_lang('LessHotspots'); ?></button>
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<button type="submit" class="plus" name="moreAnswers" value="<?php echo get_lang('MoreHotspots'); ?>" /><?php echo get_lang('langMoreHotspotsImage'); ?></button>
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<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>
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<button type="submit" class="save" name="submitAnswers" value="<?php echo get_lang('Ok'); ?>" /><?php echo get_lang('AddQuestionToExercise'); ?></button>
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</td>
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</tr>
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<tr>
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<td valign="top" style="border:1px solid #4271b5;border-top:none;border-bottom:none;border-right:none;" >
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<input type="hidden" name="formSent" value="1" />
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<input type="hidden" name="nbrAnswers" value="<?php echo $nbrAnswers; ?>" />
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<table class="data_table">
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<!--
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<tr>
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<td colspan="5"><?php echo get_lang('AnswerHotspot'); ?> :</td>
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</tr>
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-->
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<tr>
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<th width="5"> <?php /* echo get_lang('Hotspot'); */ ?></th>
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<th ><?php echo get_lang('HotspotDescription'); ?>*</th>
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<th ><?php echo get_lang('Comment'); ?></th>
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<th><?php echo get_lang('QuestionWeighting'); ?>*</th>
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</tr>
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<?php
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for($i=1;$i <= $nbrAnswers;$i++) {
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?>
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<tr>
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<td valign="top"><div style="height: 15px; width: 15px; background-color: <?php echo $hotspot_colors[$i]; ?>"> </div></td>
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<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>
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<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>
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<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); ?>" />
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<input type="hidden" name="hotspot_coordinates[<?php echo $i; ?>]" value="<?php echo (empty($hotspot_coordinates[$i]) ? '0;0|0|0' : $hotspot_coordinates[$i]); ?>" />
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<input type="hidden" name="hotspot_type[<?php echo $i; ?>]" value="<?php echo (empty($hotspot_type[$i]) ? 'square' : $hotspot_type[$i]); ?>" /></td>
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</tr>
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<?php
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}
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?>
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</table>
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</td>
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</tr>
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<tr>
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<td colspan="2" valign="top" style="border:1px solid #ccc;border-top:none">
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<script type="text/javascript">
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<!--
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// Version check based upon the values entered above in "Globals"
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var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
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// Check to see if the version meets the requirements for playback
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if (hasReqestedVersion) { // if we've detected an acceptable version
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var oeTags = '<object type="application/x-shockwave-flash" data="../plugin/hotspot/hotspot_admin.swf?modifyAnswers=<?php echo $modifyAnswers ?>" width="720" height="650">'
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+ '<param name="movie" value="../plugin/hotspot/hotspot_admin.swf?modifyAnswers=<?php echo $modifyAnswers ?>" />'
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+ '<param name="test" value="OOoowww fo shooww" />'
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+ '</object>';
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document.write(oeTags); // embed the Flash Content SWF when all tests are passed
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} else { // flash is too old or we can't detect the plugin
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var alternateContent = 'Error<br \/>'
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+ 'This content requires the Macromedia Flash Player.<br \/>'
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+ '<a href=http://www.macromedia.com/go/getflash/>Get Flash<\/a>';
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document.write(alternateContent); // insert non-flash content
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}
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// -->
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</script>
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</td>
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</tr>
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</table>
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</form>
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<?php
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if($debug>0){echo str_repeat(' ',0).'$modifyAnswers was set - end'."<br />\n";}
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}
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?>
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