class.assAnswerCloze.php

Go to the documentation of this file.

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

require_once './Modules/TestQuestionPool/classes/class.assAnswerSimple.php';
require_once './Modules/Test/classes/inc.AssessmentConstants.php';

class assAnswerCloze extends ASS_AnswerSimple
{
    protected $lowerBound;

    protected $upperBound;

    protected $gap_size;
    

    public function __construct($answertext = "", $points = 0.0, $order = 0)
    {
        parent::__construct($answertext, $points, $order, -1);
        $this->lowerBound = null;
        $this->upperBound = null;
        $this->gap_size = 0;
    }

    // fau: fixGapFormula - allow formula evaluation when checking bounds, save bound text instead of number
    public function setLowerBound($bound)
    {
        $boundvalue = $this->getNumericValueFromText($bound);
        $value = $this->getNumericValueFromAnswerText();

        if ($boundvalue === false || $boundvalue > $value) {
            $this->lowerBound = $this->getAnswertext();
        } else {
            $this->lowerBound = $bound;
        }
    }

    public function setUpperBound($bound)
    {
        $boundvalue = $this->getNumericValueFromText($bound);
        $value = $this->getNumericValueFromAnswerText();
        
        if ($boundvalue === false || $boundvalue < $value) {
            $this->upperBound = $this->getAnswertext();
        } else {
            $this->upperBound = $bound;
        }
    }
    
    protected function getNumericValueFromAnswerText()
    {
        return $this->getNumericValueFromText($this->getAnswertext());
    }

    protected function getNumericValueFromText($text)
    {
        include_once("./Services/Math/classes/class.EvalMath.php");
        $eval = new EvalMath();
        $eval->suppress_errors = true;
        return $eval->e(str_replace(",", ".", ilUtil::stripSlashes($text, false)));
    }
    // fau.

    public function getLowerBound()
    {
        return $this->lowerBound;
    }

    public function getUpperBound()
    {
        return $this->upperBound;
    }

    public function setGapSize($gap_size)
    {
        $this->gap_size = $gap_size;
    }

    public function getGapSize()
    {
        return $this->gap_size;
    }
}