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