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609 lines
25 KiB
609 lines
25 KiB
<?php
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/* For licensing terms, see /license.txt */
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use ChamiloSession as Session;
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/**
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* @package chamilo.exercise
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* @author Julio Montoya <gugli100@gmail.com>
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*/
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require_once __DIR__.'/../inc/global.inc.php';
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api_protect_course_script(false);
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require_once api_get_path(LIBRARY_PATH).'geometry.lib.php';
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Display::display_reduced_header();
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echo '<div id="delineation-container">';
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$message = null;
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$dbg_local = 0;
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$gradebook = null;
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$final_overlap = null;
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$final_missing = null;
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$final_excess = null;
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$threadhold1 = null;
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$threadhold2 = null;
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$threadhold3 = null;
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$exerciseResult = Session::read('exerciseResult');
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$exerciseResultCoordinates = isset($_REQUEST['exerciseResultCoordinates']) ? $_REQUEST['exerciseResultCoordinates'] : null;
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$origin = api_get_origin();
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// if origin is learnpath
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$learnpath_id = 0;
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if (isset($_REQUEST['learnpath_id'])) {
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$learnpath_id = intval($_REQUEST['learnpath_id']);
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}
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$learnpath_item_id = 0;
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if (isset($_REQUEST['learnpath_item_id'])) {
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$learnpath_item_id = intval($_REQUEST['learnpath_item_id']);
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}
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$_SESSION['hotspot_coord'] = array();
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$newquestionList = Session::read('newquestionList', []);
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$questionList = Session::read('questionList');
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$exerciseId = intval($_GET['exerciseId']);
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$exerciseType = intval($_GET['exerciseType']);
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$questionNum = intval($_GET['num']);
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$nbrQuestions = isset($_GET['nbrQuestions']) ? intval($_GET['nbrQuestions']) : null;
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//clean extra session variables
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Session::erase('objExerciseExtra'.$exerciseId);
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Session::erase('exerciseResultExtra'.$exerciseId);
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Session::erase('questionListExtra'.$exerciseId);
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// Round-up the coordinates
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$user_array = '';
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if (isset($_GET['hotspot'])) {
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$coords = explode('/', $_GET['hotspot']);
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if (is_array($coords) && count($coords) > 0) {
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foreach ($coords as $coord) {
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if (!empty($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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}
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}
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$choice_value = '';
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$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>
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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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if (f.elements[i].type=='radio' && f.elements[i].checked) {
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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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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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}
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}
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if (counter==0) {
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choice_js=-1; // this is an error
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}
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";
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// IMPORTANT
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//this is the real redirect function
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//echo 'window.location.href = "exercise_submit_modal.php?learnpath_id='.$learnpath_id.'&learnpath_item_id='.$learnpath_item_id.'&hotspotcoord="+ hotspotcoord + "&hotspot="+ hotspot + "&choice="+ choice_js + "&exerciseId='.$exerciseId.'&num='.$questionNum.'&exerciseType='.$exerciseType.'&origin='.$origin.'&gradebook='.$gradebook.'";';
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echo ' url = "exercise_submit_modal.php?learnpath_id='.$learnpath_id.'&learnpath_item_id='.$learnpath_item_id.'&hotspotcoord="+ hotspotcoord + "&hotspot="+ hotspot + "&choice="+ choice_js + "&exerciseId='.$exerciseId.'&num='.$questionNum.'&exerciseType='.$exerciseType.'&origin='.$origin.'&gradebook='.$gradebook.'";';
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echo "$('#global-modal .modal-body').load(url);";
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echo '</script>';
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exit;
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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[$questionid] = isset($choice_value) ? $choice_value : null;
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// initializing
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if (!is_array($exerciseResult)) {
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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 == EXERCISE_FEEDBACK_TYPE_DIRECT) {
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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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Session::write('exerciseResult', $exerciseResult);
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Session::write('exerciseResultCoordinates', $exerciseResultCoordinates);
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/*
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// if it is the last question (only for a sequential exercise)
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if($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=$learnpath_item_id");
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// echo 'location result';
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}*/
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// creates a temporary Question object
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if (in_array($questionid, $questionList)) {
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$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 = $objAnswerTmp->selectNbrAnswers();
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$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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$wrong_results = false;
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$hot_spot_load = false;
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$questionScore = 0;
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$totalScore = 0;
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if (!empty($choice_value)) {
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for ($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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$numAnswer = $objAnswerTmp->selectAutoId($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 == $numAnswer) ? 1 : 0;
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if ($studentChoice) {
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$questionScore += $answerWeighting;
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$totalScore += $answerWeighting;
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$newquestionList[] = $questionid;
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}
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break;
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case HOT_SPOT_DELINEATION:
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$studentChoice = $choice[$answerId];
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if ($studentChoice) {
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$newquestionList[] = $questionid;
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}
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if ($answerId === 1) {
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$questionScore += $answerWeighting;
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$totalScore += $answerWeighting;
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$_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 == UNIQUE_ANSWER || $answerType == MULTIPLE_ANSWER) {
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//display_unique_or_multiple_answer($answerType, $studentChoice, $answer, $answerComment, $answerCorrect);
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if ($studentChoice) {
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$destination = $answerDestination;
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$comment = $answerComment;
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}
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} elseif ($answerType == HOT_SPOT_DELINEATION) {
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if ($next) {
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if ($dbg_local > 0) { error_log(__LINE__.' - next', 0); }
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$hot_spot_load = true; //apparently the script is called twice
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$user_answer = $user_array;
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$_SESSION['exerciseResultCoordinates'][$questionid] = $user_answer; //needed for exercise_result.php
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// we compare only the delineation not the other points
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$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, $poly_answer);
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if (empty($_GET['hotspot'])) { //no user response
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$overlap = -2;
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} else {
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$poly_user_compiled = poly_compile($poly_user, $max_coord);
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$poly_answer_compiled = poly_compile(
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$poly_answer,
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$max_coord
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);
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$poly_results = poly_result(
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$poly_answer_compiled,
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$poly_user_compiled,
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$max_coord
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);
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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 = $poly_results['s2Only'];
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}
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//$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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//setting colors
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if ($final_overlap >= $threadhold1) {
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$overlap_color = true; //echo 'a';
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}
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if ($final_excess <= $threadhold2) {
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$excess_color = true; //echo 'b';
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}
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if ($final_missing <= $threadhold3) {
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$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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if ($final_overlap >= $threadhold1 && $final_missing <= $threadhold3 && $final_excess <= $threadhold2) {
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$next = 1; //go to the oars
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$result_comment = get_lang('Acceptable');
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} else {
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$next = 1; //Go to the oars. If $next = 0 we will show this message: "One (or more) area at risk has been hit" instead of the table resume with the results
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$wrong_results = true;
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$result_comment = get_lang('Unacceptable');
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$special_comment = $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 = $destination_items[4];
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}
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} elseif ($answerId > 1) {
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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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//$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
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$delineation_cord = $objAnswerTmp->selectHotspotCoordinates($answerId); //getting the oars coordinates
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$poly_answer = convert_coordinates($delineation_cord, '|');
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$max_coord = poly_get_max(
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$poly_user,
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$poly_answer
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); //getting max coordinates
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$test = false;
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// if ($answerId == 2 ){$test = true;} for test oars
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if (empty($_GET['hotspot'])) { //no user response
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$overlap = false;
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} else {
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// poly_compile really works tested with gnuplot
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$poly_user_compiled = poly_compile(
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$poly_user,
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$max_coord,
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$test
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); //$poly_user is already set when answerid = 1
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$poly_answer_compiled = poly_compile(
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$poly_answer,
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$max_coord,
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$test
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);
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$overlap = poly_touch(
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$poly_user_compiled,
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$poly_answer_compiled,
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$max_coord
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);
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}
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if ($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) {
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error_log(
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__LINE__.' - Overlap is '.$overlap.': OAR hit',
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0
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);
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}
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$organs_at_risk_hit++;
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//show the feedback
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$next = 1;
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$comment = $answerDestination = $objAnswerTmp->selectComment(
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$answerId
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);
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$answerDestination = $objAnswerTmp->selectDestination(
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$answerId
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);
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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 = $destination_items[4];
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}
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}
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} else {
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// the first delineation feedback
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if ($dbg_local > 0) { error_log(__LINE__.' first', 0); }
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}
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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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$excess_color = 'red';
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}
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if (!is_numeric($final_overlap)) {
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$final_overlap = 0;
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}
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if (!is_numeric($final_missing)) {
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$final_missing = 0;
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}
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if (!is_numeric($final_excess)) {
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$final_excess = 0;
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}
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if ($final_excess > 100) {
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$final_excess = 100;
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}
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$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('Requirements').'</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.'">'.(($final_overlap < 0) ? 0 : intval($final_overlap)).'</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.'">'.(($final_excess < 0) ? 0 : intval($final_excess)).'</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.'">'.(($final_missing < 0) ? 0 : intval($final_missing)).'</div></td>
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</tr>
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</table>';
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}
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Session::write('newquestionList', $newquestionList);
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$links = '';
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if (isset($choice_value) && $choice_value == -1) {
|
|
if ($answerType != HOT_SPOT_DELINEATION) {
|
|
$links .= '<a href="#" onclick="self.parent.tb_remove();">'.get_lang('ChooseAnAnswer').'</a><br />';
|
|
}
|
|
}
|
|
|
|
$destinationid = null;
|
|
|
|
if ($answerType != HOT_SPOT_DELINEATION) {
|
|
if (!empty($destination)) {
|
|
$item_list = explode('@@', $destination);
|
|
$try = $item_list[0];
|
|
$lp = $item_list[1];
|
|
$destinationid = $item_list[2];
|
|
$url = $item_list[3];
|
|
}
|
|
$table_resume = '';
|
|
} else {
|
|
$try = $try_hotspot;
|
|
$lp = $lp_hotspot;
|
|
$destinationid = $select_question_hotspot;
|
|
$url = $url_hotspot;
|
|
if ($organs_at_risk_hit == 0 && $wrong_results == false) {
|
|
// no error = no oar and no wrong result for delineation
|
|
//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];
|
|
$exerciseResult[$questionid] = 1;
|
|
} else {
|
|
$exerciseResult[$questionid] = 0;
|
|
}
|
|
}
|
|
|
|
// the link to retry the question
|
|
if (isset($try) && $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)) {
|
|
$lp_url = api_get_path(WEB_CODE_PATH).'lp/lp_controller.php?'.api_get_cidreq().'&action=view&lp_id='.$lp;
|
|
$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) {
|
|
$links .= Display:: return_icon(
|
|
'finish.gif',
|
|
'',
|
|
array('style' => 'width:22px; height:22px; padding-left:0px;padding-right:5px;')
|
|
).'<a onclick="SendEx(-1);" href="#">'.get_lang('EndActivity').'</a><br /><br />';
|
|
} else {
|
|
// the link to other question
|
|
if (in_array($destinationid, $questionList)) {
|
|
$objQuestionTmp = Question :: read($destinationid);
|
|
$questionName = $objQuestionTmp->selectTitle();
|
|
$num_value_array = (array_keys($questionList, $destinationid));
|
|
$links .= Display:: return_icon(
|
|
'quiz.png',
|
|
'',
|
|
array('style' => 'padding-left:0px;padding-right:5px;')
|
|
).'<a onclick="SendEx('.$num_value_array[0].');" href="#">'.get_lang('GoToQuestion').' '.$num_value_array[0].'</a><br /><br />';
|
|
}
|
|
}
|
|
|
|
echo '<script>
|
|
function SendEx(num) {
|
|
if (num == -1) {
|
|
self.parent.window.location.href = "exercise_result.php?take_session=1&exerciseId='.$exerciseId.'&num="+num+"&exerciseType='.$exerciseType.'&origin='.$origin.'&learnpath_item_id='.$learnpath_item_id.'&learnpath_id='.$learnpath_id.'";
|
|
self.parent.tb_remove();
|
|
} else {
|
|
num -= 1;
|
|
self.parent.window.location.href = "exercise_submit.php?tryagain=1&exerciseId='.$exerciseId.'&num="+num+"&exerciseType='.$exerciseType.'&origin='.$origin.'&learnpath_item_id='.$learnpath_item_id.'&learnpath_id='.$learnpath_id.'";
|
|
self.parent.tb_remove();
|
|
}
|
|
}
|
|
</script>';
|
|
|
|
if ($links != '') {
|
|
echo '<h1><div style="color:#333;">'.get_lang('Feedback').'</div></h1>';
|
|
if ($answerType == HOT_SPOT_DELINEATION) {
|
|
if ($organs_at_risk_hit > 0) {
|
|
//$message='<p>'.get_lang('YourDelineation').'</p>';
|
|
//$message.=$table_resume;
|
|
$message .= '<br />'.get_lang('ResultIs').' <b>'.get_lang('Unacceptable').'</b><br />';
|
|
//if ($wrong_results) { }
|
|
$message .= '<p style="color:#DC0A0A;"><b>'.get_lang('OARHit').'</b></p>';
|
|
$message .= '<p>'.$comment.'</p>';
|
|
} else {
|
|
$message = '<p>'.get_lang('YourDelineation').'</p>';
|
|
$message .= $table_resume;
|
|
$message .= '<br />'.get_lang('ResultIs').' <b>'.$result_comment.'</b><br />';
|
|
$message .= '<p>'.$comment.'</p>';
|
|
}
|
|
echo $message;
|
|
} else {
|
|
echo '<p>'.$comment.'</p>';
|
|
}
|
|
echo '<h3>'.$links.'</h3>';
|
|
echo '</div>';
|
|
|
|
Session::write('hot_spot_result', $message);
|
|
$_SESSION['hotspot_delineation_result'][$exerciseId][$questionid] = array($message, $exerciseResult[$questionid]);
|
|
//reseting the exerciseResult variable
|
|
Session::write('exerciseResult', $exerciseResult);
|
|
|
|
//save this variables just in case the exercise loads an LP with other exercise
|
|
$_SESSION['objExerciseExtra'.$exerciseId] = $_SESSION['objExercise'];
|
|
$_SESSION['exerciseResultExtra'.$exerciseId] = $_SESSION['exerciseResult'];
|
|
$_SESSION['questionListExtra'.$exerciseId] = $_SESSION['questionList'];
|
|
} else {
|
|
$questionNum++;
|
|
echo '<script>
|
|
self.parent.window.location.href = "exercise_submit.php?exerciseId='.$exerciseId.'&num='.$questionNum.'&exerciseType='.$exerciseType.'&origin='.$origin.'";
|
|
//self.parent.tb_remove();
|
|
</script>';
|
|
}
|
|
|
|
echo '</div>';
|
|
|
|
Display::display_footer();
|
|
|