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<?php
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class Topic
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{
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var $table;
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var $topicName;
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var $topics;
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var $topicID;
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var $rawToPass;
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var $numOfQu;
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var $error;
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var $question;
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function Topic(){
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$this->table='topics';
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$this->topicName='';
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$this->topics = array();
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$this->topicID=0;
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$this->rawToPass=0;
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$this->numOfQu=0;
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$this->error='';
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$this->question=new Question ();
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}
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function setTopicName($topicName){
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$this->topicName=$topicName;
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}
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function setNumOfQu($numOfQu){
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$this->numOfQu=$numOfQu;
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if(is_numeric($this->numOfQu)==true && $this->numOfQu>0) return 0;
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else return 1;
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}
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function setrawToPass($rawToPass){
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$this->rawToPass=$rawToPass;
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if(is_numeric($this->rawToPass)==true && $this->rawToPass<=100 && $this->rawToPass>0) return 0;
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else return 1;
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}
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function setError($error){
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$this->error=$error;
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}
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function setTopic($t_id){
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$this->topicID=$t_id;
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$sql ="SELECT topic,numOfQu,percentage FROM topics WHERE t_id='".intval($t_id)."'"; // fehlt noch dass Variable genommen wird
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$query = mysql_query($sql)OR die(mysql_error());
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while($topic = mysql_fetch_array( $query,MYSQL_BOTH )){
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$this->topicName= $topic['topic'];
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$this->rawToPass=$topic['percentage'];
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$this->numOfQu=$topic['numOfQu'];
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}
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$this->setSession();
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}
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function setInactiveTopic() {
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$sql="UPDATE topics SET active=".intval(0)." WHERE t_id=".intval($this->topicID)."";
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$ok= mysql_query($sql)OR die(mysql_error());
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if (!$ok) {
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$error=mysql_errno() ;
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}
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}
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function setActiveTopic(){
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$sql="UPDATE topics SET active=".intval(1)." WHERE t_id=".intval($this->topicID)."";
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$ok= mysql_query($sql)OR die(mysql_error());
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if (!$ok){
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$error=mysql_errno() ;
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}
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}
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function getNumOfQu (){
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$sql ="SELECT numOfQu FROM topics WHERE t_id=".intval($this->topicID).""; // fehlt noch dass Variable genommen wird
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$query = mysql_query($sql)OR die(mysql_error());
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$numOfQu = mysql_fetch_assoc($query);
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return $numOfQu ['numOfQu'];
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}
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function getrawToPass (){
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$sql ="SELECT percentage FROM topics WHERE t_id=".intval($this->topicID).""; // fehlt noch dass Variable genommen wird
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$query = mysql_query($sql)OR die(mysql_error());
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$rawToPass = mysql_fetch_assoc($query);
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return $rawToPass ['percentage'];
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}
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function setTopicID($t_id){
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$this->topicID=$t_id;
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}
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function getTopicID(){
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return $this->topicID;
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}
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function getTopicName(){
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return $this->topicName ;
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}
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function saveTopic(){
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if($this->topicName!=null && $this->numOfQu!=null &&$this->rawToPass!=null){
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$sql = 'INSERT INTO topics (topic,active,numOfQu,percentage)VALUES ("'.mysql_real_escape_string($this->topicName).'","'.intval(1).'",'.intval($this->numOfQu).','.intval($this->rawToPass).') ';
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$ok= mysql_query($sql);
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if (!$ok){
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$error=mysql_errno() ;
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if($error=='1062') return "existing";
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}
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return "none";
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}
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else return "missing";
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}
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function getActiveTopic(){
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$sql ='SELECT * FROM topics WHERE active="'.intval(1).'"';
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$query = mysql_query($sql)OR die(mysql_error());
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if(!$query){ // Wenn Fehler
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$error=mysql_errno() ;
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}
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else{
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$i=1;
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while($topic =mysql_fetch_array($query,MYSQL_BOTH )){
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$this->topics[$i]['t_id']=$topic['t_id']; // in arra speichern
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$this->topics[$i]['topic']=$topic['topic'];
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$this->topics[$i]['rawToPass']=$topic['percentage'];
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$this->topics[$i]['numOfQu']=$topic['numOfQu'];
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$i++;
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}
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}
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}
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function getTopic(){
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$sql ='SELECT * FROM topics'; // fehlt noch dass Variable genommen wird
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$query = mysql_query($sql)OR die(mysql_error());
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if(!$query) { // Wenn Fehler
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$error=mysql_errno() ;
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}
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else{
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$i=1;
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while($topic =mysql_fetch_array($query,MYSQL_BOTH )){
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$this->topics[$i]['t_id']=$topic['t_id']; // in arra speichern
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$this->topics[$i]['topic']=$topic['topic'];
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$this->topics[$i]['rawToPass']=$topic['percentage'];
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$this->topics[$i]['numOfQu']=$topic['numOfQu'];
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$this->topics[$i]['active']=$topic['active'];
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$i++;
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}
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}
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}
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function getTopicArray(){ // Liefert das Array mit den Topics zur<75>ck
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return $this->topics;
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}
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function setSession(){
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$_SESSION['values']['topic']['t_id']= $this->topicID;
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$_SESSION['values']['topic']['topicName']= $this->topicName;
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$_SESSION['values']['topic']['numOfQu']=$this->numOfQu;
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$_SESSION['values']['topic']['rawToPass']=$this->rawToPass;
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}
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function unsetSession(){
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unset($_SESSION['values']['topic']);
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}
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function showTopicTable($number){ // Topics in Tabelle anzeigen
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echo"<table class='table table_standard '>";
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echo "<tr>";
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echo"<td class='th th_topicName'>".Class_Topic_01." </td>";
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echo"<td class='th th_number'>".Class_Topic_02." </td>";
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echo"<td class='th th_numOfQu'> ".Class_Topic_03." </td>";
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echo"<td class='th th_count'>".Class_Topic_04." </td>";
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echo" <td class='th th_buttons'></td>";
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echo" <td class='th th_buttons'></td>";
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echo" <td class='th th_buttons'></td>";
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echo"</tr>\n";
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for ($i=1;$i<=count($this->topics);$i++){ // Solange bis $ gr<67><72>er gleich Anzahl der Werte im Array
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echo "<tr>";
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if($this->topics[$i]['active']==0) echo"<td class='td_inactive'><a href=\"".$_SERVER['PHP_SELF']."?site=topic&action=getQuestions&t_id=".$this->topics[$i]['t_id']."\">".stripslashes($this->topics[$i]['topic'])."</a></td>";
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else echo"<td class='td_topics'><a href=\"".$_SERVER['PHP_SELF']."?site=topic&action=getQuestions&t_id=".$this->topics[$i]['t_id']."\">".stripslashes($this->topics[$i]['topic'])."</a></td>";
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echo"<td class='td'>".$number[$i]."</td>"; // array Werte ausgeben
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echo"<td class='td'>".$this->topics[$i]['numOfQu']." </td>";
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echo"<td class='td'>".$this->topics[$i]['rawToPass']." %</td>";
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echo"<td class='td'> <a href='?site=topic&action=editTopic&t_id=".$this->topics[$i]['t_id']."'><img src='images/edit.png' class='linkimage' title='".Class_Topic_05."' alt='".Class_Topic_05."' /></a></td>";
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if($this->topics[$i]['active']==0)echo"<td class='td'> <a href='?site=topic&action=setTopicAvtive&t_id=".$this->topics[$i]['t_id']."'><img src='images/setActive.png' class='linkimage' title='".Class_Topic_06."' alt='".Class_Topic_06."'/></a></td>";
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else echo"<td class='td'> <a href='?site=topic&action=setTopicInactive&t_id=".$this->topics[$i]['t_id']."'><img src='images/setInactive.png' class='linkimage' title='".Class_Topic_07."' alt='".Class_Topic_07."'/></a></td>";
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echo"<td class='td'> <a href='?site=topic&action=delTopic&t_id=".$this->topics[$i]['t_id']."'><img src='images/wrong.png' class='linkimage' title='".Class_Topic_08."' alt='".Class_Topic_08."' /></a></td>";
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echo "</tr>\n";
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}
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echo"</table>";
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}
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function newForm(){
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echo "<form action='index.php?site=topic&action=save' method='post'>";
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$this->showForm();
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}
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function updateForm(){
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echo "<form action='index.php?site=topic&action=updateTopic&t_id=$this->topicID' method='post'>";
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$this->showForm();
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}
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function showForm(){ // Form anzeigen um eine Formular zu erstellen
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if($this->error=='rawToPass')echo '<h5 class="centered">'.Class_Topic_09."</h5>";
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else if($this->error=='existing')echo '<h5 class="centered">'.Class_Topic_10."</h5>";
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else if($this->error=='numOfQu')echo '<h5 class="centered">'.Class_Topic_11."</h5>";
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echo "<fieldset >";
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echo " <legend>".Button_01." </legend> ";
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echo"<table class='table_new_topic'>";
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echo"<tr>";
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echo"<td class='name'>".Class_Topic_01."</td>";
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echo"<td class='left_point'> : </td>";
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if ($_SESSION['values']['topic']['topicName']==null && $this->error) {
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echo "<td class='text'><textarea class='TextField marked' name='new_topic' rows='1' cols='79' ></textarea></td>";
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} else {
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echo "<td class='text'><textarea class='TextField' name='new_topic' rows='1' cols='79'>".stripslashes($_SESSION['values']['topic']['topicName'])."</textarea></td>";
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}
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echo"</tr>";
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echo"<tr>";
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echo" <td class='name'>".Class_Topic_03."</td>";
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echo"<td class='left_point'> : </td>";
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if ($_SESSION['values']['topic']['numOfQu']==null && $this->error) {
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echo "<td class='text'><textarea class='TextField marked' name='questPerQuiz' rows='1' cols='79'></textarea></td>";
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} else {
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echo "<td class='text'><textarea class='TextField' name='questPerQuiz' rows='1' cols='79'>".$_SESSION['values']['topic']['numOfQu']."</textarea></td>";
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}
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echo"</tr>";
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echo"<tr>";
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echo"<td class='name'>".Class_Topic_12."</td>";
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echo"<td class='left_point'> : </td>";
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if ($_SESSION['values']['topic']['rawToPass']==null && $this->error) {
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echo "<td class='text'><textarea class='TextField marked' name='rawToPass' rows='1' cols='79'></textarea></td>";
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} else {
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echo "<td class='text'><textarea class='TextField' name='rawToPass' rows='1' cols='79'>".$_SESSION['values']['topic']['rawToPass']."</textarea></td>";
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}
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echo"</tr>";
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echo"<tr>";
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echo"<td class='name'></td>";
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echo"<td class='left_point'></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 delTopic(){
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// Frage ID's des Topics aus DB lesen
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$sqlGetQu=" SELECT q_id,qt_id,question,active FROM questions WHERE t_id =".intval($this->topicID)." ORDER BY q_id";
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$queryGetQu = mysql_query($sqlGetQu)OR die(mysql_error());
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$number=mysql_num_rows($queryGetQu ) ;
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if($number!=0){
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while($questions =mysql_fetch_array($queryGetQu ,MYSQL_BOTH )){
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// Antworten der Fragen l<>schen
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$sql_answers="DELETE FROM answers WHERE q_id=".intval($questions['q_id'])."";
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$query_answers = mysql_query($sql_answers);
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if (!$query_answers )$error=mysql_errno() ;
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}
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}
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// Fragen l<>schen
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$sql_question="DELETE FROM questions WHERE t_id=".intval($this->topicID)."";
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$ok_question=mysql_query($sql_question)OR die(mysql_error());
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// Thema l<>schen
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$sql= "DELETE FROM topics WHERE t_id=".intval($this->topicID)."";
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$ok= mysql_query($sql)OR die(mysql_error());
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// Lernfortschritte ebenfalls l<>schen
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$sql_del_lp="DELETE FROM learnprogress WHERE t_id=".intval($this->topicID)."";
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$ok_del_lp= mysql_query( $sql_del_lp)OR die(mysql_error());
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if (!$ok) {
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$error=mysql_errno() ;
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}
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}
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function updateTopic(){
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$sql=" UPDATE topics SET topic='".mysql_real_escape_string($this->topicName)."',numOfQu=".intval($this->numOfQu).",percentage= ".intval($this->rawToPass)." WHERE t_id=". intval($this->topicID)."";
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$ok= mysql_query( $sql);
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}
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}
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?>
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