progress=array(); $this->incorrect_answers=array(); $this->maximum=5; $this->topic=0; $this->lp_id=0; $this->percentArray=array(); } function setTopic($t_id){ $this->topic=$t_id; } function setLp_id($lp_id){ $this->lp_id=$lp_id; } function setData($value){ $this->progress=$value; } function getProgress(){ $sql= "SELECT lp_id,date,number,correct,wrong FROM learnprogress WHERE user_id='".mysql_real_escape_string($_SESSION['profile']['id'])."' AND t_id='".mysql_real_escape_string($this->topic)."' AND root ='".mysql_real_escape_string($_SESSION['profile']['root'])."' order by date"; $query = mysql_query($sql) OR die(mysql_error()); $i=1; while($progress =mysql_fetch_array($query,MYSQL_BOTH )){ $this->progress[$i]['lp_id']=$progress['lp_id']; $this->progress[$i]['date']=$progress['date']; $this->progress[$i]['number']=$progress['number']; // in arra speichern $this->progress[$i]['correct']=$progress['correct']; $this->progress[$i]['wrong']=$progress['wrong']; $i++; } } function count() { $numberOfTests=count($this->progress); return $numberOfTests; } function showTable() { if(count($this->progress)==0) echo "

".Global_07."

"; else { echo"

"; echo""; echo ""; echo""; echo""; echo""; echo""; echo ""; echo""; for ($i=1;$i<=count($this->progress);$i++){ echo ""; echo""; echo""; echo""; if ($this->progress[$i]['number'] > 0) { $percent=($this->progress[$i]['correct']/$this->progress[$i]['number'])*100; } else { $percent = 0; } $percent=round ($percent,2); echo""; echo""; echo ""; } echo"

".Global_10."	".Global_04."	".Class_Progress_01."	".Global_03."
$i	".$this->progress[$i]['date']."	".$this->progress[$i]['number']."	$percent %	topic'>

"; } } function checkProgressData(){ if(count($this->progress)==0) echo "

".Global_07."

"; else { $percentArray=array(); $limit=count($this->progress); if($limit>$this->maximum){ $k=($limit-$this->maximum)+1; $limit=($k+$this->maximum)-1; echo '

'.Class_Progress_02." ".Class_Progress_03." $this->maximum ".Class_Progress_04.".

"; } else $k=1; $j=0; for ($i=$k;$i<=$limit;$i++){ if ($this->progress[$i]['number'] > 0) { $percent=($this->progress[$i]['correct']/$this->progress[$i]['number'])*100; } else { $percent=0; } $this->percentArray[$j][]=$this->progress[$i]['date']; $this->percentArray[$j][]=$percent; $j++; } } } function showBalken(){ $this->checkProgressData(); $this->percentArray= serialize($this->percentArray); $this->percentArray=base64_encode ($this->percentArray); $titley=Global_15; $titlex=Global_04; echo "

\n"; echo "

"; echo "

\n"; } function showGraph(){ $this->checkProgressData(); $this->percentArray= serialize($this->percentArray); $this->percentArray=base64_encode ($this->percentArray); $titley=Global_15; $titlex=Global_04; echo "

\n"; echo "

"; echo "

\n"; } function showPie(){ echo "

\n"; echo "

"; echo "

\n"; } function getIncorrectAnswers() { $sql="SELECT q_id FROM answers_incorrect WHERE lp_id=".intval($this->lp_id).""; $query = mysql_query($sql); $i=1; while($incorrect_answers =mysql_fetch_array($query,MYSQL_BOTH )) { $this->incorrect_answers[$i]['q_id']=$incorrect_answers['q_id']; $i++; } $this->showIncorrectAnswers(); } function showIncorrectAnswers(){ echo "

"; echo "

"; echo " ".Class_Progress_08." "; echo ""; for ($i=1;$i<=count($this->incorrect_answers);$i++){ echo""; echo ""; $sql="SELECT question,qt_id FROM questions WHERE q_id=".intval($this->incorrect_answers[$i]['q_id']).""; $query = mysql_query($sql); while($question =mysql_fetch_array($query,MYSQL_BOTH )) { if( $question['qt_id']==4){ $questionText=$this->getFIBQuestion( $question['question']); echo""; } else{ echo ""; } } echo""; } if($this->progress [$this->lp_id]['wrong']>count($this->incorrect_answers)) { $number=$this->progress [$this->lp_id]['wrong']-count($this->incorrect_answers); echo""; echo ""; echo""; echo""; } echo""; echo ""; echo" "; echo""; echo"

$i.)	".$questionText."	". $question['question']."
	".Class_Progress_06." $number ".Class_Progress_07."

"; echo "

"; } function getFIBQuestion($question){ $addSlashes= preg_quote( $question, '[^]'); // Slash hinzufügen wenn KLammer gefunden wird $array=explode('\\',$addSlashes); // String teilen $questionText= $question; if(substr_count($question,"[")==substr_count($question,"]")) { // gleiche anzahl von Klammer auf und zu for($i=1;$i<=substr_count($question,"[");$i++){ // Wird solange durchlaufne wie Klammern vorhanden sind $beginPos = strpos($questionText, "["); // Anfangspunkt festlegen $endPos=strpos($questionText, "]"); // Endpunkt festlegen $length=(($endPos+1)-$beginPos) ; // Länge der Strings ermitteln $answer=substr ($questionText,$beginPos,$length );// den String zwischen den Klammern suchen $questionText=str_replace($answer,'(xxx)', $questionText); // gespeicherten Wert aus string löschen $answer=str_replace("]",'', $answer); // Klammer entfernen $key = array_search($answer, $array); $answer=str_replace("[",'', $answer); // Klammer entfernen } } return $questionText; } } ?>