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

571 lines
21 KiB

<?php
$language_file=array('exercice');
include_once('../inc/global.inc.php');
include api_get_path(INCLUDE_PATH) . 'reduced_header.inc.php';
include_once(api_get_path(LIBRARY_PATH).'geometry.lib.php');
$dbg_local = 0;
// answer types
define('UNIQUE_ANSWER', 1);
define('MULTIPLE_ANSWER', 2);
define('FILL_IN_BLANKS', 3);
define('MATCHING', 4);
define('FREE_ANSWER', 5);
define('HOT_SPOT', 6);
define('HOT_SPOT_ORDER', 7);
define('HOT_SPOT_DELINEATION', 8);
require_once('exercise.class.php');
require_once('question.class.php');
require_once('answer.class.php');
require_once('exercise.lib.php');
if ( empty ( $exerciseResult ) ) {
$exerciseResult = $_SESSION['exerciseResult'];
}
if ( empty ( $exerciseResultCoordinates ) ) {
$exerciseResultCoordinates = $_REQUEST['exerciseResultCoordinates'];
}
if ( empty ( $origin ) ) {
$origin = $_REQUEST['origin'];
}
$_SESSION['hotspot_coord']=array();
$newquestionList=$_SESSION['newquestionList'];
$questionList = $_SESSION['questionList'];
$exerciseId=$_GET['exerciseId'];
$exerciseType=$_GET['exerciseType'];
$questionNum=$_GET['questionnum'];
$nbrQuestions=$_GET['nbrQuestions'];
//round-up the coordinates
$coords = explode('/',$_GET['hotspot']);
$user_array = '';
foreach ($coords as $coord) {
list($x,$y) = explode(';',$coord);
$user_array .= round($x).';'.round($y).'/';
}
$user_array = substr($user_array,0,-1);
if ( isset ( $_GET['choice'] ) )
{
$choice_value = $_GET['choice'];
}
// getting the options by js
if (empty($choice_value) )
{
echo '<script type="text/javascript">'."
// this works for only radio buttons
var f= self.parent.window.document.frm_exercise;
var choice_js='';
var hotspot = new Array();
var hotspotcoord = new Array();
var counter=0;
for( var i = 0; i < f.elements.length; i++ )
{
if (f.elements[i].type=='radio' && f.elements[i].checked)
{
//alert( f.elements[i].name);
choice_js = f.elements[i].value;
counter ++;
}
if (f.elements[i].type=='hidden' )
{
name = f.elements[i].name;
if (name.substr(0,7)=='hotspot')
hotspot.push(f.elements[i].value);
if (name.substr(0,20)=='hotspot_coordinates')
hotspotcoord.push(f.elements[i].value);
//hotspot = f.elements[i].value;
}
}
if (counter==0)
{
choice_js=-1; // this is an error
}
//alert(choice_js);
";
echo 'window.location.href = "exercise_submit_modal.php?hotspotcoord="+ hotspotcoord + "&hotspot="+ hotspot + "&choice="+ choice_js + "&exerciseId='.$exerciseId.'&questionnum='.$questionNum.'&exerciseType='.$exerciseType.'&origin='.$origin.'gradebook='.$gradebook.'";</script>';
}
$choice=array();
$questionid= $questionList[$questionNum];
// $choice_value => value of the user selection
$choice[$questionid]=$choice_value;
// initializing
if(!is_array($exerciseResult))
{
$exerciseResult=array();
}
// if the user has answered at least one question
if(is_array($choice))
{
if($exerciseType == 1)
{
// $exerciseResult receives the content of the form.
// Each choice of the student is stored into the array $choice
$exerciseResult=$choice;
}
else
{
// gets the question ID from $choice. It is the key of the array
list($key)=array_keys($choice);
// if the user didn't already answer this question
if(!isset($exerciseResult[$key]))
{
// stores the user answer into the array
$exerciseResult[$key]=$choice[$key];
}
}
}
// the script "exercise_result.php" will take the variable $exerciseResult from the session
api_session_register('exerciseResult');
api_session_register('exerciseResultCoordinates');
/*
// if it is the last question (only for a sequential exercise)
if($questionNum >= $nbrQuestions)
{
if($debug>0){echo str_repeat('&nbsp;',0).'Redirecting to exercise_result.php - Remove debug option to let this happen'."<br />\n";}
// goes to the script that will show the result of the exercise
// header("Location: exercise_result.php?origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id");
// echo 'location result';
}*/
// gets the student choice for this question
//print_r($choice); echo "<br>";
// creates a temporary Question object
if (in_array($questionid,$questionList))
{
$objQuestionTmp = Question :: read($questionid);
$questionName=$objQuestionTmp->selectTitle();
$questionDescription=$objQuestionTmp->selectDescription();
$questionWeighting=$objQuestionTmp->selectWeighting();
$answerType=$objQuestionTmp->selectType();
$quesId =$objQuestionTmp->selectId(); //added by priya saini
}
$objAnswerTmp=new Answer($questionid);
$nbrAnswers=$objAnswerTmp->selectNbrAnswers();
//echo 'answe_type '.$answerType;echo '<br />';
if($answerType == FREE_ANSWER)
$nbrAnswers = 1;
$choice=$exerciseResult[$questionid];
$destination=array();
$comment='';
$next=1;
$_SESSION['hotspot_coord']=array();
$_SESSION['hotspot_dest']=array();
$overlap_color=$missing_color=$excess_color=false;
$organs_at_risk_hit=0;
if (!empty($choice_value))
{
for($answerId=1;$answerId <= $nbrAnswers;$answerId++) {
$answer=$objAnswerTmp->selectAnswer($answerId);
$answerComment=$objAnswerTmp->selectComment($answerId);
$answerDestination=$objAnswerTmp->selectDestination($answerId);
$answerCorrect=$objAnswerTmp->isCorrect($answerId);
$answerWeighting=$objAnswerTmp->selectWeighting($answerId);
//delineation
$delineation_cord=$objAnswerTmp->selectHotspotCoordinates(1);
$answer_delineation_destination=$objAnswerTmp->selectDestination(1);
if ($dbg_local>0) { error_log(__LINE__.' answerId: '.$answerId.'('.$answerType.') - user delineation_cord: '.$delineation_cord.' - $answer_delineation_destination: '.$answer_delineation_destination,0);}
switch($answerType) {
// for unique answer
case UNIQUE_ANSWER :
$studentChoice=($choice_value == $answerId)?1:0;
if($studentChoice) {
$questionScore+=$answerWeighting;
$totalScore+=$answerWeighting;
$newquestionList[]=$questionid;
}
break;
case HOT_SPOT_DELINEATION : $studentChoice=$choice[$answerId];
if($studentChoice) {
$questionScore+=$answerWeighting;
$totalScore+=$answerWeighting;
$newquestionList[]=$questionid;
}
if ($answerId===1) {
$_SESSION['hotspot_coord'][1]=$delineation_cord;
$_SESSION['hotspot_dest'][1]=$answer_delineation_destination;
}
break;
}
if($answerType != MATCHING || $answerCorrect)
{
if($answerType == UNIQUE_ANSWER || $answerType == MULTIPLE_ANSWER)
{
//display_unique_or_multiple_answer($answerType, $studentChoice, $answer, $answerComment, $answerCorrect);
//echo $questionScore;
if ($studentChoice)
{
$destination=$answerDestination;
$comment=$answerComment;
}
}
elseif($answerType == HOT_SPOT_DELINEATION)
{
if ($next)
{
if ($dbg_local>0) { error_log(__LINE__.' - next',0);}
$tbl_track_e_hotspot = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
// Save into db
$sql = "INSERT INTO $tbl_track_e_hotspot (hotspot_user_id, hotspot_course_code, hotspot_exe_id, hotspot_question_id, hotspot_answer_id, hotspot_correct, hotspot_coordinate )
VALUES ('".Database::escape_string($_user['user_id'])."', '".Database::escape_string($_course['id'])."', '".Database::escape_string($exeId)."', '".Database::escape_string($questionId)."', '".Database::escape_string($answerId)."', '".Database::escape_string($studentChoice)."', '".Database::escape_string($user_array)."')";
$result = api_sql_query($sql,__FILE__,__LINE__);
$user_answer = $user_array;
//$_SESSION['exerciseResultCoordinates'][$questionId]=$exerciseResultCoordinates;
// we compare only the delineation not the other points
$answer_question= $_SESSION['hotspot_coord'][1];
$answerDestination= $_SESSION['hotspot_dest'][1];
$poly_user = convert_coordinates($user_answer,'/');
$poly_answer = convert_coordinates($answer_question,'|');
$max_coord = poly_get_max($poly_user,$poly_answer);
$poly_user_compiled = poly_compile($poly_user,$max_coord);
$poly_answer_compiled = poly_compile($poly_answer,$max_coord);
$poly_results = poly_result($poly_answer_compiled,$poly_user_compiled,$max_coord);
$overlap = $poly_results['both'];
$poly_answer_area = $poly_results['s1'];
$poly_user_area = $poly_results['s2'];
$missing = $poly_results['s1Only'];
$excess = $poly_results['s2Only'];
//$overlap = round(polygons_overlap($poly_answer,$poly_user)); //this is an area in pixels
if ($dbg_local>0) { error_log(__LINE__.' - Polygons results are '.print_r($poly_results,1),0);}
if ($overlap < 1) {
//shortcut to avoid complicated calculations
$final_overlap = 0;
$final_missing = 100;
$final_excess = 100;
} else {
// the final overlap is the percentage of the initial polygon that is overlapped by the user's polygon
$final_overlap = round(((float)$overlap / (float)$poly_answer_area)*100);
if ($dbg_local>1) { error_log(__LINE__.' - Final overlap is '.$final_overlap,0);}
// the final missing area is the percentage of the initial polygon that is not overlapped by the user's polygon
$final_missing = 100 - $final_overlap;
if ($dbg_local>1) { error_log(__LINE__.' - Final missing is '.$final_missing,0);}
// the final excess area is the percentage of the initial polygon's size that is covered by the user's polygon outside of the initial polygon
$final_excess = round((((float)$poly_user_area-(float)$overlap)/(float)$poly_answer_area)*100);
if ($dbg_local>1) { error_log(__LINE__.' - Final excess is '.$final_excess,0);}
}
$destination_items= explode('@@', $answerDestination);
$threadhold_total = $destination_items[0];
$threadhold_items=explode(';',$threadhold_total);
$threadhold1 = $threadhold_items[0]; // overlap
$threadhold2 = $threadhold_items[1]; // excess
$threadhold3 = $threadhold_items[2]; //missing
// if is delineation
if ($answerId===1)
{
//setting colors
if ($final_overlap>=$threadhold1)
{
$overlap_color=true; //echo 'a';
}
//echo $excess.'-'.$threadhold2;
if ($final_excess<=$threadhold2)
{
$excess_color=true; //echo 'b';
}
//echo '--------'.$missing.'-'.$threadhold3;
if ($final_missing<=$threadhold3)
{
$missing_color=true; //echo 'c';
}
// if pass
if ($final_overlap>=$threadhold1 && $final_missing<=$threadhold2 && $final_excess<=$threadhold3)
{
$next=1; //go to the oars
$result_comment=get_lang('Acceptable');
}
else
{
$next=0;
$result_comment=get_lang('Unacceptable');
$comment=$answerDestination=$objAnswerTmp->selectComment(1);
$answerDestination=$objAnswerTmp->selectDestination(1);
$destination_items= explode('@@', $answerDestination);
$try_hotspot=$destination_items[1];
$lp_hotspot=$destination_items[2];
$select_question_hotspot=$destination_items[3];
$url_hotspot=$destination_items[4];
//echo 'show the feedback';
}
}
elseif($answerId>1)
{
if ($objAnswerTmp->selectHotspotType($answerId) == 'noerror') {
if ($dbg_local>0) { error_log(__LINE__.' - answerId is of type noerror',0);}
//type no error shouldn't be treated
$next = 1;
continue;
}
if ($dbg_local>0) { error_log(__LINE__.' - answerId is >1 so we\'re probably in OAR',0);}
//check the intersection between the oar and the user
//echo 'user'; print_r($x_user_list); print_r($y_user_list);
//echo 'official';print_r($x_list);print_r($y_list);
//$result = get_intersection_data($x_list,$y_list,$x_user_list,$y_user_list);
$inter= $result['success'];
//$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
$poly_answer = convert_coordinates($delineation_cord,'|');
$max_coord = poly_get_max($poly_user,$poly_answer);
$poly_answer_compiled = poly_compile($poly_answer,$max_coord);
$overlap = poly_touch($poly_user_compiled, $poly_answer_compiled,$max_coord);
if ($overlap == false) {
//all good, no overlap
$next = 1;
continue;
} else {
if ($dbg_local>0) { error_log(__LINE__.' - Overlap is '.$overlap.': OAR hit',0);}
$organs_at_risk_hit++;
//show the feedback
$next=0;
$comment=$answerDestination=$objAnswerTmp->selectComment($answerId);
$answerDestination=$objAnswerTmp->selectDestination($answerId);
$destination_items= explode('@@', $answerDestination);
$try_hotspot=$destination_items[1];
$lp_hotspot=$destination_items[2];
$select_question_hotspot=$destination_items[3];
$url_hotspot=$destination_items[4];
}
}
}
else
{ // the first delineation feedback
if ($dbg_local>0) { error_log(__LINE__.' first',0);}
//we send the error
}
}
}
}
if ($overlap_color) {
$overlap_color='green';
} else {
$overlap_color='red';
}
if ($missing_color) {
$missing_color='green';
} else {
$missing_color='red';
}
if ($excess_color) {
$excess_color='green';
} else {
$excess_color='red';
}
$table_resume='<table class="data_table" >
<tr class="row_odd" >
<td></td>
<td ><b>'.get_lang('Required').'</b></td>
<td><b>'.get_lang('YourAnswer').'</b></td>
</tr>
<tr class="row_even">
<td><b>'.get_lang('Overlap').'</b></td>
<td>'.get_lang('Min').' '.$threadhold1.'</td>
<td><div style="color:'.$overlap_color.'">'.$final_overlap.'</div></td>
</tr>
<tr class="row_even">
<td><b>'.get_lang('Missing').'</b></td>
<td>'.get_lang('Max').' '.$threadhold3.'</td>
<td><div style="color:'.$missing_color.'">'.$final_missing.'</div></td>
</tr>
<tr>
<td><b>'.get_lang('Excess').'</b></td>
<td>'.get_lang('Max').' '.$threadhold2.'</td>
<td><div style="color:'.$excess_color.'">'.$final_excess.'</div></td>
</tr>
</table>';
}
$_SESSION['newquestionList']=$newquestionList;
if ($choice_value==-1)
{
$links. '<a href="#" onclick="self.parent.tb_remove();">'.get_lang('ChooseAnAnswer').'</a>';
}
if ($answerType!= HOT_SPOT_DELINEATION)
{
$item_list=explode('@@',$destination);
//print_R($item_list);
$try = $item_list[0];
$lp = $item_list[1];
$destinationid= $item_list[2];
$url=$item_list[3];
$table_resume='';
}
else
{
if ($next==0) {
$try = $try_hotspot;
$lp = $lp_hotspot;
$destinationid= $select_question_hotspot;
$url=$url_hotspot;
} else {
//show if no error
//echo 'no error';
$comment=$answerComment=$objAnswerTmp->selectComment($nbrAnswers);
$answerDestination=$objAnswerTmp->selectDestination($nbrAnswers);
//we send the error
$destination_items= explode('@@', $answerDestination);
$try=$destination_items[1];
$lp=$destination_items[2];
$destinationid=$destination_items[3];
$url=$destination_items[4];
}
}
//$pre_list_destination=explode(';',$list_dest);
/*
$destination_list=array();
foreach($pre_list_destination as $value)
{
if ($value!='')
$destination_list[]=$value;
}*/
//echo '<pre>';print_r($destination);
$links='';
// the link to retry the question
if ($try==1)
{
$num_value_array= (array_keys($questionList, $questionid));
$links.= Display :: return_icon('reload.gif', '', array ('style' => 'padding-left:0px;padding-right:5px;')).'<a onclick="SendEx('.$num_value_array[0].');" href="#">'.get_lang('TryAgain').'</a><br /><br />';
}
// the link to theory (a learning path)
if (!empty($lp))
{
$lp_url= api_get_path(WEB_CODE_PATH).'newscorm/lp_controller.php?'.api_get_cidreq().'&action=view&lp_id='.$lp;
require_once('../newscorm/learnpathList.class.php');
$list = new LearnpathList(api_get_user_id());
$flat_list = $list->get_flat_list();
$links.= Display :: return_icon('theory.gif', '', array ('style' => 'padding-left:0px;padding-right:5px;')).'<a target="_blank" href="'.$lp_url.'">'.get_lang('SeeTheory').'</a><br />';
}
$links.='<br />';
// the link to an external website or link
if (!empty($url)) {
$links.= Display :: return_icon('link.gif', '', array ('style' => 'padding-left:0px;padding-right:5px;')).'<a target="_blank" href="'.$url.'">'.get_lang('VisitUrl').'</a><br /><br />';
}
// the link to finish the test
if ($destinationid==-1)
{
$links.= Display :: return_icon('finish.gif', '', array ('style' => 'width:22px; height:22px; padding-left:0px;padding-right:5px;')).'<a onclick="SendEx(-1);" href="#">'.get_lang('EndActivity').'</a><br /><br />';
}
// the link to other question
else
{
if (in_array($destinationid,$questionList))
{
$objQuestionTmp = Question :: read($destinationid);
$questionName=$objQuestionTmp->selectTitle();
$num_value_array= (array_keys($questionList, $destinationid));
$links.= Display :: return_icon('quiz.gif', '', array ('style' => 'padding-left:0px;padding-right:5px;')).'<a onclick="SendEx('.$num_value_array[0].');" href="#">'.get_lang('GoToQuestion').' '.$num_value_array[0].'</a><br /><br />';
}
}
echo '<script> function SendEx(num)
{
if (num==-1)
{
self.parent.window.location.href = "exercise_result.php?origin='.$origin.'";
self.parent.tb_remove();
}
else
{
self.parent.window.location.href = "exercice_submit.php?tryagain=1&exerciseId='.$exerciseId.'&questionNum="+num+"&exerciseType='.$exerciseType.'&origin='.$origin.'";
self.parent.tb_remove();
}
}
</script>';
api_protect_course_script();
if ($links!='')
{
echo '<div id="ModalContent" style="padding-bottom:30px;padding-top:10px;padding-left:20px;padding-right:20px;">
<a onclick="self.parent.tb_remove();" href="#" style="float:right; margin-top:-10px;" id="exercise_close_link">'.get_lang('Close').'</a>
<h1><div style="color:#333;">'.get_lang('Feedback').'</div></h1>
<p style="text-align:center">';
if ($answerType == HOT_SPOT_DELINEATION)
{
$message='<p>'.get_lang('YourDelineation').'</p>';
$message.=$table_resume;
$message.='<br />'.get_lang('ResultIs').' '.$result_comment.'<br />';
if ($organs_at_risk_hit>0)
$message.='<p><b>'.get_lang('OARHit').'</b></p>';
$message.='<p>'.$comment.'</p>';
echo $message;
}
else
{
echo '<p>'.$comment.'</p>';
}
echo '<h3>'.$links.'</h3>';
//echo '<a onclick="self.parent.tb_remove();" href="#" style="float:right;">'.get_lang('Close').'</a>';
echo '</div>';
$_SESSION['hot_spot_result']=$message;
}
else
{
$questionNum++;
echo '<script>
self.parent.window.location.href = "exercice_submit.php?exerciseId='.$exerciseId.'&questionNum='.$questionNum.'&exerciseType='.$exerciseType.'&origin='.$origin.'";
//self.parent.tb_remove();
</script>';
}
?>