class.SurveyMultipleChoiceQuestionEvaluation.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once "Modules/SurveyQuestionPool/classes/class.SurveyQuestionEvaluation.php";

class SurveyMultipleChoiceQuestionEvaluation extends SurveyQuestionEvaluation
{
        
        //
        // EXPORT
        //      
        
        public function getUserSpecificVariableTitles(array &$a_title_row, array &$a_title_row2, $a_do_title, $a_do_label)
        {               
                global $lng;
                
                $categories = $this->question->getCategories();         
                for ($i = 0; $i < $categories->getCategoryCount(); $i++)
                {
                        $cat = $categories->getCategory($i);
                        
                        $a_title_row[] = $cat->title." [".$cat->scale."]";
                        $a_title_row2[] = "";
                        
                        if ($cat->other)
                        {                               
                                $a_title_row[] = $cat->title." [".$cat->scale."]";
                                $a_title_row2[] = $lng->txt('other');                           
                        }
                }               
        }
        
        public function addUserSpecificResults(array &$a_row, $a_user_id, $a_results)
        {               
                $categories = $this->question->getCategories();         
                                
                $answers = $a_results->getUserResults($a_user_id);
                if($answers === null)
                {
                        $a_row[] = $this->getSkippedValue();
                        
                        for ($i = 0; $i < $categories->getCategoryCount(); $i++)
                        {
                                $cat = $categories->getCategory($i);
                                $a_row[] = "";  
                                
                                if($cat->other)
                                {
                                        $a_row[] = "";
                                }
                        }                               
                }
                else
                {       
                        $a_row[] = "";
                        
                        for ($i = 0; $i < $categories->getCategoryCount(); $i++)
                        {
                                $cat = $categories->getCategory($i);
                                $found = false;
                                foreach($answers as $answer)
                                {
                                        if($answer[2] == $cat->scale)
                                        {
                                                $a_row[] = $answer[2];
                                                if ($cat->other)
                                                {
                                                        $a_row[] = $answer[1];
                                                }
                                                $found = true;
                                        }
                                }
                                if(!$found)
                                {
                                        $a_row[] = ""; // "0" ?!
                                        if ($cat->other)
                                        {
                                                $a_row[] = "";
                                        }
                                }
                        }
                }                               
        }
}