assessment/classes/class.ilTestEvaluationData.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

class ilTestEvaluationData
{
        var $questionTitles;

        var $participants;

        var $statistics;

        function ilTestEvaluationData($test_id)
        {
                $this->participants = array();
                $this->questionTitles = array();
        }
        
        function addQuestionTitle($question_id, $question_title)
        {
                $this->questionTitles[$question_id] = $question_title;
        }
        
        function getQuestionTitles()
        {
                return $this->questionTitles;
        }
        
        function getQuestionTitle($question_id)
        {
                if (array_key_exists($question_id, $this->questionTitles))
                {
                        return $this->questionTitles[$question_id];
                }
                else
                {
                        return "";
                }
        }
        
        function &getParticipants()
        {
                return $this->participants;
        }

        function addQuestionForParticipant($active_id, $question_id, $max_points, $sequence = NULL, $pass = 0, $type = "", $copy_id = "")
        {
                if (array_key_exists($active_id, $this->participants))
                {
                        $this->participants[$active_id]->addQuestion($question_id, $max_points, $sequence, $pass, $type, $copy_id);
                }
        }
        
        function getLastPassOfParticipant($active_id)
        {
                if (array_key_exists($active_id, $this->participants))
                {
                        return $this->participants[$active_id]->getLastPass();
                }
                else
                {
                        return 0;
                }
        }
        
        function getParticipantIds()
        {
                return array_keys($this->participants);
        }
        
        function addParticipant($active_id, $participant)
        {
                $this->participants[$active_id] = $participant;
        }
        
        function &getParticipant($active_id)
        {
                if ($this->participantExists($active_id))
                {
                        return $this->participants[$active_id];
                }
                else
                {
                        return null;
                }
        }
        
        function participantExists($active_id)
        {
                return array_key_exists($active_id, $this->participants);
        }
        
        function &getStatistics()
        {
                return $this->statistics;
        }

        function calculateStatistics()
        {
                include_once "./assessment/classes/class.ilTestStatistics.php";
                $this->statistics = new ilTestStatistics($this);
        }

        function sortParticipants($order)
        {
                function sortAscending($a, $b) 
                {
                        $result = strcmp($a->getName(), $b->getName());
                        return $result;
                }

                function sortDescending($b, $a) 
                {
                        $result = strcmp($a->getName(), $b->getName());
                        return $result;
                }
                if (strcmp(strtolower($order), "asc") == 0)
                {
                        uasort($this->participants, "sortAscending");
                }
                else
                {
                        uasort($this->participants, "sortDescending");
                }
        }
} // END ilTestEvaluationData

?>