mirror of
https://github.com/CAcertOrg/cats.git
synced 2024-11-03 04:34:04 +00:00
487 lines
17 KiB
PHP
Executable file
487 lines
17 KiB
PHP
Executable file
<?php
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class Answer {
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var $answerList;
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var $type;
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var $changedAnswers;
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var $answersCorrect;
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var $missing;
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var $action;
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function Answer(){ // Konstruktor
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$this->answerList=0;
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$this->type=0;
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$this->changedAnswers=0;
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$this->answersCorrect=0;
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$this->missing=0;
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$this->answerList = array();
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$this->action="index.php?site=collect_question&action=setAnswers";
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}
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function setChangedAnswers($changed_answers){
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$this->changedAnswers=$changed_answers;
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}
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function setQuestionType($type) {
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$this->type=$type;
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}
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function setMissing() {
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$this->missing=true;
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}
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function setAnswerType($type) {
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$this->type=$type;
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}
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function setType(){
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switch ($this->type) {
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case 1 : { // Einfachauswahl
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$this->formHead();
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$this->ShowFormSingleSelection();
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break;
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}
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case 2 : { // Mehrfachauswahl
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$this->formHead();
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$this->ShowFormMultipleChoice();
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break;
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}
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case 3 : { //Richtig/Falsch
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$this->formHead();
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$this->ShowFormCorrectWrong();
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break;
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}
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case 4 : { //Lückentext mit Auswahl
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$this->ShowFormFillInTheBlanks();
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break;
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}
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}
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}
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function showAnswers() {
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echo"<form action='index.php?site=topic&action=updateAnswers&q_id=".$_SESSION['values']['question']['q_id']."&type=".$this->type."' method='post'>";
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echo "<fieldset >";
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echo " <legend>".Class_Answer_01." </legend> ";
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echo "<table class='table_show_answers'>";
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for ($i=0;$i<count($this->answerList);$i++){
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echo "<tr>";
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echo "<td class='leftColumn'>";
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if ($this->answerList[$i]['correct']==1)echo "<a class='showStatus' href='?site=topic&action=updateAnswers&q_id=".$_SESSION['values']['question']['q_id']."&a_id=".$this->answerList[$i]['a_id']."'><img src='images/correct_small.png' class='linkimage' alt='' /></a>";
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else echo "<a class='showStatus' href='?site=topic&action=updateAnswers&q_id=".$_SESSION['values']['question']['q_id']."&a_id=".$this->answerList[$i]['a_id']."'><img src='images/wrong_small.png' class='linkimage' alt='' /></a>";
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echo "</td>";
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echo" <td class='answers'><textarea name='change[$i]' readonly='readonly' class='TextField' rows='1' cols='79' >".stripslashes($this->answerList[$i]['answer'])."</textarea> </td>";
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echo"</tr>";
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}
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echo "<tr >";
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echo "<td class='leftColumn'></td>";
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if($this->type!=3)echo"<td class='Button_row'><input type='submit' class='Button_rightColumn' name='editAnsw' value='".Button_13."'/></td>";
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echo "</tr>";
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echo "</table>";
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echo "</fieldset>";
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echo"</form>";
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}
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function setAnswersCorrect($correctAnswers){
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$this->answersCorrect=$correctAnswers;
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}
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function setQuestionID($q_id){
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$this->quID= $q_id;
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}
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function getAnswers(){
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$sql="SELECT a_id, answer, correct FROM answers WHERE q_id=".intval($_SESSION['values']['question']['q_id'])."";
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$query= mysql_query($sql);
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$i=0; // zähler
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while($answers =mysql_fetch_array($query ,MYSQL_BOTH )){
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$this->answerList[$i]['a_id']=$answers['a_id']; // in arra speichern
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$this->answerList[$i]['answer']=$answers['answer'];
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$this->answerList[$i]['correct']=$answers['correct'];
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$i++;
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}
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$_SESSION['values']['answerList']=$this->answerList;
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}
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function setAnswerList(){
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$this->answerList=$_SESSION ['values']['answerList'];
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}
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function changeCorrect($a_id){
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switch ($this->type){
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case 1 : { // Einfachauswahl nur eine Antwort darf richtig sein
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for ($i=0;$i<count($this->answerList);$i++){
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if($this->answerList[$i]['a_id']==$a_id){
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$this->answerList[$i] ['correct']=1;
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}
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else $this->answerList [$i] ['correct']=0;
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}
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$_SESSION ['values']['answerList']=$this->answerList;
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break;
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}
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case 2: { // Mehrfachauswahl mehrere Antworten können richtig sein
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$copy=$this->answerList;
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for ($i=0;$i<count($this->answerList);$i++){
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if($copy [$i]['a_id']==$a_id){
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if($copy[$i]['correct']==1) $copy [$i] ['correct']=0;
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else $copy [$i] ['correct']=1;
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}
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}
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for ($i=0;$i<count($this->answerList);$i++){
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if($copy[$i]['correct']==1)$check[$i]=1;
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else $check[$i]=0;
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}
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$check_answers_true = in_array(1,$check);
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$check_answers_false= in_array (0,$check);
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if(($check_answers_true) && ($check_answers_false)) $this->answerList=$copy;
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else echo " <h4>".Class_Answer_08."</h4> ";
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break;
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}
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case 3: { // Richtig Falsch
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for ($i=0;$i<count($this->answerList);$i++){
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if($this->answerList[$i]['a_id']==$a_id){
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if( $this->answerList[$i] ['correct']==1) $this->answerList[$i] ['correct']=0;
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else $this->answerList[$i] ['correct']=1;
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}
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else{
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if( $this->answerList[$i] ['correct']==1) $this->answerList[$i] ['correct']=0;
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else $this->answerList[$i] ['correct']=1;
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}
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}
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break;
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}
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}
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}
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function updateChangedAnswers() {
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$this->answerList=$_SESSION['values']['answerList'];
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for ($i=0;$i<count($this->answerList);$i++){
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$help = strcmp($this->answerList [$i] ['answer'],$this->changedAnswers[$i] ); // Vergleich der Antworten
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if($help!=0) { // wenn ein Unterschied besteht dann Update
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$this->answerList [$i] ['answer']=$this->changedAnswers[$i]; // Zur späteren korrekten Anzeige Wert überschreiben
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$sql="UPDATE answers SET answer='".mysql_real_escape_string($this->changedAnswers[$i])."', correct='".intval($this->answerList [$i] ['correct'])."' WHERE a_id=".intval($this->answerList [$i] ['a_id'])."";
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$query = mysql_query($sql);
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}
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}
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}
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function updateTruthFalse(){
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for ($i=0;$i<count($this->answerList);$i++){
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$sql="UPDATE answers SET answer='".mysql_real_escape_string($this->answerList [$i] ['answer'])."', correct='".intval($this->answerList [$i] ['correct'])."' WHERE a_id=".intval($this->answerList [$i] ['a_id'])."";
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$query = mysql_query($sql);
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}
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}
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function delAllAnswers($questionArray) {
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for ($i=0;$i<count($questionArray);$i++){
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$q_id=$questionArray[$i+1]['q_id'];
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$this->delAnswers ($q_id);
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}
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}
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function delAnswers ($q_id){
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$sql="DELETE FROM answers WHERE q_id=".intval($q_id)."";
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$query = mysql_query($sql);
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if (!$query){
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$error=mysql_errno() ;
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}
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}
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function addAnswer() {
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$addAnswer = array( 'id' => 0, 'answer' => '','correct' => 0);
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$this->answerList[] = $addAnswer;
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}
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function minusAnswer(){
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if(count($this->answerList)>2){ // Prüfen ob mindestens 2 Antwortmöglichkeiten
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$delAnswer = array_pop($this->answerList);
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}
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}
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function formHead(){
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echo "<form action='".$this->action."' method='post'>";
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echo "<fieldset >";
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echo"<legend>".Class_Answer_02." </legend>";
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echo "<table class='table_show_answers'>";
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echo "<tr>";
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echo"<td class='leftColumn'>".Global_03." </td>";
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echo"<td class='answers'>".Class_Answer_03." </td>";
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echo "</tr>";
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}
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function ShowFormSingleSelection(){
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for($i=0;$i<count($this->answerList);$i++){
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echo "<tr>";
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echo"<td class='leftColumn'>";
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if (isset($this->answerList[$i]['id'])) {
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printf('<input type="hidden" name="id[]" value="%s" />',
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$this->answerList[$i]['id']);
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} else {
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printf('<input type="hidden" name="id[]" value="" />');
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}
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if ($this->missing) {
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$extrastyle = ' marked';
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} else {
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$extrastyle = '';
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}
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if ($this->answerList[$i]['correct'] == 1) {
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printf("<input class='left_answer_small%s' type='radio' checked='checked' value='%s' name='correct[]' />", $extrastyle, $i);
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} else {
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printf('<input class="left_answer_small%s" type="radio" value="%s" name="correct[]" />', $extrastyle, $i);
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}
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echo "</td>";
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printf("<td class='answers'><textarea name='answer[]' class='TextField%s' rows='1' cols='79' >%s</textarea></td>", $extrastyle, stripslashes($this->answerList[$i]['answer']));
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echo"</tr>";
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}
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$_SESSION ['values']['answerList']=$this->answerList;
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echo "<tr>";
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echo"<td class='leftColumn'></td>";
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echo"<td class='Button_row'><input type='submit' class='Button_left' name='addAnsw' value='".Button_14."'/>";
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echo"<input type='submit' class='Button_rightColumn' name='minAnsw' value='".Button_15."'/></td>";
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echo "</tr>";
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echo "<tr>";
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echo"<td class='leftColumn'></td>";
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echo" <td class='Button_row'><input name='submit' class='Button_rightColumn' type='submit' value='".Button_11."'/> </td>";
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echo "</tr>";
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echo"</table>";
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echo"</fieldset>";
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echo"</form>";
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}
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function ShowFormMultipleChoice(){
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$i = 0;
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foreach( $this->answerList as $answer ){
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echo "<tr><td class='leftColumn'>";
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if (isset($this->answerList[$i]['id'])) {
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printf('<input type="hidden" name="id[]" value="%s" />',
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$this->answerList[$i]['id']);
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} else {
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printf('<input type="hidden" name="id[]" value="" />');
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}
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if ($this->missing == true) {
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$extrastyle = ' marked';
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} else {
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$extrastyle = '';
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}
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if ($this->answerList[$i]['correct'] == 1) {
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printf("<input class='left_answer_small%s' type='checkbox' checked='checked' value='%s' name='correct[]' />", $extrastyle, $i);
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} else {
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printf("<input class='left_answer_small%s' type='checkbox' value='%s' name='correct[]' />", $extrastyle, $i);
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}
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echo "</td>";
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printf("<td class='answers'><textarea name='answer[]' class='TextField%s' rows='1' cols='79' >%s</textarea></td>", $extrastyle, stripslashes($this->answerList[$i]['answer']));
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echo"</tr>";
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$i++;
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}
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echo "<tr>";
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echo"<td class='leftColumn'></td>";
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echo"<td class='Button_row'><input name='addAnsw' class='Button_rightColumn' type='submit' value='".Button_14."'/> ";
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echo"<input type='submit' class='Button' name='minAnsw' value='".Button_15."'/></td>";
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echo"</tr>";
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echo "<tr>";
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echo"<td class='leftColumn'></td>";
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echo"<td class='Button_row'><input name='submit' class='Button_rightColumn' type='submit' value='".Button_11."' /></td> ";
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echo "</tr></table>";
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echo "</fieldset>";
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echo"</form>";
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}
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function ShowFormCorrectWrong(){
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$answerPossible=array("".Class_Answer_09."", "".Class_Answer_10."");
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$i = 0;
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foreach( $this->answerList as $answer ) {
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echo "<tr><td class='leftColumn'>";
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printf('<input type="hidden" name="id[]" value="%s" />',
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$this->answerList[$i]['id']);
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if ($this->missing==true) {
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$extrastyle = ' marked';
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} else {
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$extrastyle = '';
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}
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if ($this->answerList[$i]['correct']==1) {
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printf("<input class='left_answer_small%s' type='radio' checked='checked' value='%s' name='correct[]' />", $extrastyle, $i);
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} else {
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printf("<input class='left_answer_small%s' type='radio' value='%s' name='correct[]' />", $extrastyle, $i);
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}
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echo "</td>";
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printf("<td class='answers'><textarea name='answer[]' class='TextField' rows='1' cols='79' >%s</textarea></td>", stripslashes($answerPossible[$i]));
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echo "</tr>";
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$i++;
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}
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echo "<tr>";
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echo"<td class='leftColumn'></td>";
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echo" <td class='Button_row'><input name='submit' class='Button_rightColumn' type='submit' value='".Button_11."'/> </td>";
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echo "</tr>";
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echo"</table>";
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echo "</fieldset>";
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echo"</form>";
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}
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function ShowFormFillInTheBlanks(){
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echo "<form action='index.php?site=collect_question&action=setAnswers&questionId=".$_SESSION['values']['question']['q_id']."' method='post'>";
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echo "<fieldset >";
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echo"<legend>".Antworten." </legend>";
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echo "<table class='table_show_answers'>";
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$i = 0;
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foreach($this->answerList as $answer ){
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echo "<tr>";
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echo"<td class='leftColumn'>";
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printf('<input type="hidden" name="id[]" value="%s" />',
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$this->answerList[$i]['id']);
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echo"</td>";
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if($this->missing==true){
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echo" <td class='answers'><textarea name='answer[]' class='TextField marked' rows='1' cols='79' >".stripslashes($this->answerList[$i]['answer'])."</textarea> </td>";
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}
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else {
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echo" <td class='answers'><textarea name='answer[]' class='TextField' rows='1' cols='79' >".stripslashes($this->answerList[$i]['answer'])."</textarea> </td>";
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}
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$i++;
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echo"</tr>";
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}
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echo "<tr>";
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echo"<td class='leftColumn'></td>";
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echo" <td class='Button_row'><input type='submit' class='Button_left' name='addAnsw' value='".Button_14."'/>";
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echo"<input type='submit' class='Button' name='minAnsw' value='".Button_15."'/></td>";
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echo "</tr>";
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echo "<tr>";
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echo"<td class='leftColumn'></td>";
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echo" <td class='Button_row'><input name='submit' class='Button_rightColumn' type='submit' value='".Button_11."'/></td> ";
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echo"</tr>";
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echo"</table>";
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echo "</fieldset>";
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echo"</form>";
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}
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function controlAnswers(){
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for($i=0;$i<count( $this->answerList);$i++){
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for($j=1;$j<=count($this->answersCorrect);$j++){
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$compare=$this->answersCorrect[$j]['answer'];
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$help=strcmp($this->answerList[$i]['answer'], $compare) ;
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if($help==0){
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$this->answerList[$i]['answer']='';
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$foundIncorrect[]=1;
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}
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}
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}
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if(count($foundIncorrect)>0) {
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return false;
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}
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else return true;
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}
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function checkNumberOfAnswers(){
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for($i=0;$i<count( $this->answerList);$i++){
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$help=strcmp($this->answerList[$i]['answer'],'');
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if($help!=0)$check[]=1;
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}
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if(count($check)>=2)return true;
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else return false;
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}
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function checkAnswer(){
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if(($this->type==4) && ($this->controlAnswers()==true)||$this->type!=4){
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if(($this->pruefungCorrect()==true) || ($this->type==4)){ // pruefung ob eine Frage als richtig markiert wurde außer bei Lückentext
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if($this->checkNumberOfAnswers()==true) {
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return 1;
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}
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else {
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echo"<h5><br />".Class_Answer_04."<br /></h5>";
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if($this->type==4)echo"<h5>".Class_Answer_04."<br /></h5>";
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$this->setMissing();
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$this->setType();
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}
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}
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else{
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if( $this->type !=3)echo"<h5>".Class_Answer_05." <br /></h5>";
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else echo"<h5>".Class_Answer_06."</h5> ";
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$this->setMissing();
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$this->setType(); // wenn Antwort nicht ausgefüllt dann zurück zur Maske
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}
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}else {
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echo"<h5>".Class_Answer_07."<br /></h5>";
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$this->setMissing();
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$this->setType();}
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return 0;
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}
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function saveAnswer(){ // Fehlt noch Prüfung nach Fragetyp etc // correct wird noch nicht gescheit angezeigt
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if(($this->type==4) && ($this->controlAnswers()==true)||$this->type!=4){
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if(($this->pruefungCorrect()==true) || ($this->type==4)){ // pruefung ob eine Frage als richtig markiert wurde außer bei Lückentext
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if($this->checkNumberOfAnswers()==true) {
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$sql_del="DELETE FROM answers WHERE q_id=".intval($_SESSION['values']['question']['q_id'])."";
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$ok_del= mysql_query($sql_del);
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for ($i=0;$i<count($this->answerList);$i++){
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$answer=$this->answerList[$i]['answer'];
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$correct=$this->answerList[$i]['correct'];
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if($answer!=''){ // wenn in antwort was drin steht
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if($answer == Class_Answer_09)$answer='true';
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else if($answer == Class_Answer_10) $answer='false';
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$sql="INSERT INTO answers (q_id,answer,correct) VALUES (".intval($_SESSION['values']['question']['q_id']).",'".mysql_real_escape_string($answer)."',".intval($correct).")";
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$ok= mysql_query($sql);
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}
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}
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unset ($_SESSION ['values']['answerList']);
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return true;
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}
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else {
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echo"<h5><br />".Class_Answer_04."<br /></h5>";
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if($this->type==4)echo"<h5>".Class_Answer_04."<br /></h5>";
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$this->setMissing();
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$this->setType();
|
|
|
|
}
|
|
}
|
|
else{
|
|
if( $this->type !=3)echo"<h5>".Class_Answer_05." <br /></h5>";
|
|
else echo"<h5>".Class_Answer_06."</h5> ";
|
|
|
|
$this->setMissing();
|
|
$this->setType(); // wenn Antwort nicht ausgefüllt dann zurück zur Maske
|
|
|
|
|
|
}
|
|
}else {
|
|
echo"<h5>".Class_Answer_07."<br /></h5>";
|
|
|
|
$this->setMissing();
|
|
$this->setType();}
|
|
return false;
|
|
|
|
}
|
|
|
|
function pruefungCorrect(){
|
|
$this->answerList=$_SESSION['values']['answerList'];
|
|
for ($i=0;$i<=count($this->answerList);$i++) {
|
|
if($this->answerList[$i]['correct']==1){
|
|
return true; // wenn mindestens eine Frage als korrekt markiert ist dann speichere
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function updateAnswers($q_id) {
|
|
for($i=0;$i<count($this->answerList);$i++){
|
|
$sql="INSERT INTO answers (q_id,answer,correct) VALUES (".intval($q_id).",'".mysql_real_escape_string($this->answerList[$i]['answer'])."','".intval($this->answerList[$i]['correct'])."')";
|
|
$ok= mysql_query($sql);
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|