cats/classes/progress.class.php

<?php
class Progress
{
  var $topic;
  var $progress;
  var $lp_id;
  var $incorrect_answers;
  var $percentArray;
  var $maximum;
  var $passed;
  var $totalresult=array();

    function Progress() {
      $this->progress=array();
      $this->incorrect_answers=array();
      $this->maximum=5;
      $this->topic=0;
      $this->lp_id=0;
      $this->percentArray=array();
      $this->passed=0;
    }

    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(){
      $sql= "SELECT lp_id,date,number,correct,wrong, passed FROM learnprogress WHERE user_id='".mysql_real_escape_string($_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'];
        $this->progress[$i]['passed']=$progress['passed'];
        $i++;
      }

    }

    function count() {
      $numberOfTests=count($this->progress);
      return $numberOfTests;
    }

    function showTable() {
      $this->totalresult['count']=0;
      $this->totalresult['passed']=0;
      if(count($this->progress)==0) echo "<div class='h8'>".Global_07."</div>";
      else {
        echo"<br /> <br />";
        echo"<table class='table table_progress'>";
        echo "<tr>";
        echo"<td class='th th_pos'>".Global_10."</td>";
        echo"<td class='th th_pos_date'>".Global_04."</td>";
        echo"<td class='th th_count'>".Class_Progress_01."</td>";
        echo"<td class='th th_count'>".Global_03."</td>";
        echo"<td class='th th_count'>".Statistic_04."</td>";
        echo "<td class='th th_buttons'></td>";
        echo"</tr>";
        for ($i=1;$i<=count($this->progress);$i++){
          if (1==$this->progress[$i]['passed']) {
            $this->totalresult['passed']+=1;
          }
          echo "<tr>";
          echo"<td class='td'>$i</td>";
          echo"<td class='td'>".$this->progress[$i]['date']."</td>";
          echo"<td class='td'>".$this->progress[$i]['number']."</td>";
          if ($this->progress[$i]['number'] > 0) {
            $percent=($this->progress[$i]['correct']/$this->progress[$i]['number'])*100;
          } else {
            $percent = 0;
          }
          $percent=round ($percent,2);
          echo "<td class='td'>$percent %</td>";
          echo "<td class='td'>".$this->getPassedImage($this->progress[$i]['passed'])."</td>";
          echo "<td class='td'> <a href='?site=progress&amp;action=showIncorrectAnswers&amp;lp_id=";
          echo $this->progress[$i]['lp_id']."&amp;t_id=$this->topic'><img src='images/details.png' class='linkimage' alt='' /></a></td>";
          echo "</tr>";
        }
        $this->totalresult['count']=$i-1;
        echo "<tr>";
        echo "<td class='td' colspan='6' align='center'>".Statistic_04.' '.$this->totalresult['passed'].'/'.$this->totalresult['count']."</td>";
        echo "</tr>\n";
        echo"</table>";
        if ($this->totalresult['passed'] > 0) {
          echo "<form class='info' action='index.php?site=start_test&amp;action=requestCert' method='post'>";
          echo "<input type='hidden' name='t_id' value='$this->topic' />";
          echo "<input name='submit' class='Button_middle' type='submit' value='".Class_Quiz_11_RequestCert."' />";
          echo "</form>";
        }
      }
    }

    function checkProgressData(){
      if(count($this->progress)==0) echo "<div class='h8'>".Global_07."</div>";
      else {
        $percentArray=array();
        $limit=count($this->progress);
        if($limit>$this->maximum){
          $k=($limit-$this->maximum)+1;
          $limit=($k+$this->maximum)-1;
          echo '<h5 class="centered">'.Class_Progress_02." ".Class_Progress_03." $this->maximum ".Class_Progress_04.".</h5>";
        } 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;
      $titlex=Global_04;
      echo "  <div id=\"learnprogress\">\n";
      echo "<img src='includes/graph_bib/bar.php?data=$this->percentArray&amp;learnpath=true&amp;titley=$titley&amp;titlex=$titlex' alt='' />";
      echo "</div>\n";

    }
    function showGraph(){
      $this->checkProgressData();
      $this->percentArray= serialize($this->percentArray);
      $this->percentArray=base64_encode ($this->percentArray);
      $titley=Global_15;
      $titlex=Global_04;
        echo "  <div id=\"learnprogress\">\n";
        echo "<img src='includes/graph_bib/curve.php?percentArray=$this->percentArray&amp;learnpath=true&amp;titley=$titley&amp;titlex=$titlex' alt='' />";
        echo "</div>\n";

    }

    function showPie(){
      echo "  <div id=\"learnprogress\">\n";
      echo "<img src='includes/graph_bib/pie.php' alt='' />";
      echo "</div>\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 "<form action='?site=progress&amp;action=showTable&amp;t_id=$this->topic' method='post'>";
      echo "<fieldset  >";
      echo " <legend class='table_show_incorrect'>".Class_Progress_08." </legend> ";
      echo "<table class='table_show_incorrect'>";


      for ($i=1;$i<=count($this->incorrect_answers);$i++){
        echo"<tr>";
        echo "<td class='nr_incorrect' valign='top'> $i.) </td>";
        $sql="SELECT question,qt_id FROM questions WHERE q_id=".intval($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"<td class='question_incorrect' valign='top'>".$questionText."</td>";

          } else {
            echo "<td class='question_incorrect' valign='top'>". $question['question']."</td>";
          }
        }
        echo"</tr>";
      }
      if($this->progress [$this->lp_id]['wrong']>count($this->incorrect_answers)) {
        $number=$this->progress [$this->lp_id]['wrong']-count($this->incorrect_answers);
        echo"<tr>";
        echo "<td class='nr_incorrect' valign='top'>  </td>";
        echo"<td class='question_incorrect' valign='top' >".Class_Progress_06." $number  ".Class_Progress_07."</td>";
        echo"</tr>";
      }
      echo"<tr>";
      echo "<td class='nr_incorrect'>  </td>";
      echo"<td class='Button_row' > <input name='submit' class='Button_rightColumn' type='submit' value='".Global_02."'/></td> ";
      echo"</tr>";
      echo"</table>";
      echo "</fieldset>";
      echo "</form>";
    }

    function getFIBQuestion($question){
      $addSlashes= preg_quote( $question, '[^]'); // Slash hinzuf<75>gen 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) ; // L<>nge der Strings ermitteln
          $answer=substr ($questionText,$beginPos,$length );// den String zwischen den Klammern suchen
          $questionText=str_replace($answer,'(xxx)', $questionText); // gespeicherten Wert aus string l<>schen
          $answer=str_replace("]",'', $answer); // Klammer entfernen
          $key = array_search($answer, $array);
          $answer=str_replace("[",'', $answer); // Klammer entfernen
        }
      }
      return $questionText;
    }

    function getPassedImage($passed){
    // returns the image depending on the status of a test result
      $img="<img src='images/details.png' alt='' />";
      if (0==$passed) {
         $img="<img src='images/wrong.png' alt='' />";
      }
      if (1==$passed) {
         $img="<img src='images/correct.png' alt='' />";
      }
      return $img;
    }
 }
?>