class.assAnswerTrueFalse.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 ASS_AnswerTrueFalse extends ASS_AnswerSimple
{
    public $correctness;

    public function __construct($answertext = "", $points = 0.0, $order = 0, $correctness = false)
    {
        parent::__construct($answertext, $points, $order);

        // force $this->correctness to be a string
        // ilDB->quote makes 1 from true and saving it to ENUM('1','0') makes that '0'!!!
        // (maybe that only happens for certain mysql versions)
        $this->correctness = $correctness . "";
    }

    public function getCorrectness()
    {
        return $this->correctness;
    }

    public function isCorrect()
    {
        return $this->correctness;
    }

    public function isIncorrect()
    {
        return !$this->correctness;
    }

    public function isTrue()
    {
        return $this->correctness;
    }

    public function isFalse()
    {
        return !$this->correctness;
    }

    public function setCorrectness($correctness = false)
    {
        // force $this->correctness to be a string
        // ilDB->quote makes 1 from true and saving it to ENUM('1','0') makes that '0'!!!
        // (maybe that only happens for certain mysql versions)
        $this->correctness = $correctness . "";
    }

    public function setTrue()
    {
        $this->correctness = "1";
    }

    public function setFalse()
    {
        $this->correctness = "0";
    }
}