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<?php
# Lifter002: TODO
# Lifter007: TODO
# Lifter003: TODO
# Lifter010: TODO
/**
* Beschreibung
*
* @author Alexander Willner <mail@AlexanderWillner.de>
* @copyright 2004 Stud.IP-Project
* @access public
* @package evaluation
* @modulegroup evaluation_modules
*
*/
// +--------------------------------------------------------------------------+
// This file is part of Stud.IP
// Copyright (C) 2001-2004 Stud.IP
// +--------------------------------------------------------------------------+
// 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 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.
// +--------------------------------------------------------------------------+
# Include all required files ================================================ #
require_once 'lib/evaluation/evaluation.config.php';
require_once EVAL_FILE_QUESTIONDB;
require_once EVAL_FILE_OBJECT;
require_once EVAL_FILE_ANSWER;
# ====================================================== end: including files #
# Define constants ========================================================== #
/**
* @const INSTANCEOF_EVALGROUP Is instance of an evaluationquestion object
* @access public
*/
define ("INSTANCEOF_EVALQUESTION", "EvaluationQuestion");
/**
* @const EVALQUESTION_TYPE_LIKERT Type of question is skala
* @access public
*/
define ("EVALQUESTION_TYPE_LIKERT", "likertskala");
/**
* @const EVALQUESTION_TYPE_MC Type of question is normal
* @access public
*/
define ("EVALQUESTION_TYPE_MC", "multiplechoice");
/**
* @const EVALQUESTION_TYPE_POL Type of question is pol
* @access public
*/
define ("EVALQUESTION_TYPE_POL", "polskala");
# ===================================================== end: define constants #
class EvaluationQuestion extends EvaluationObject {
# Define all required variables ============================================= #
/**
* Type of question (skala/normal) => see EVALQUESTION_TYPE_*
* @access private
* @var string $type
*/
var $type;
/**
* If set YES it is allowed to choose more than one answer
* @access private
* @var string $isMultiplechoice
*/
var $isMultiplechoice;
# ============================================================ end: variables #
# Define constructor and destructor ========================================= #
/**
* Constructor
* @access public
* @param string $objectID The ID of an existing question
* @param object $parentObject The parent object if exists
* @param integer $loadChildren See const EVAL_LOAD_*_CHILDREN
*/
function __construct($objectID = "", $parentObject = NULL,
$loadChildren = EVAL_LOAD_NO_CHILDREN) {
/* Set default values ------------------------------------------------- */
parent::__construct($objectID, $parentObject, $loadChildren);
$this->instanceof = INSTANCEOF_EVALQUESTION;
$this->type = EVALQUESTION_TYPE_MC;
$this->isMultiplechoice = NO;
$this->templateID = YES;
/* ------------------------------------------------------------------- */
/* Connect to database ------------------------------------------------- */
$this->db = new EvaluationQuestionDB ();
if ($this->db->isError ())
return $this->throwErrorFromClass ($this->db);
$this->init ($objectID);
/* --------------------------------------------------------------------- */
}
# =========================================== end: constructor and destructor #
# Define public functions =================================================== #
/**
* Sets the type of a question
* @access public
* @param string $type The type of the question. ('skala','normal','pol')
*/
function setType ($type) {
$this->type = $type;
}
/**
* Sets the type of a question
* @access public
* @return string The type of the question.('likert','multiplechoice','pol')
*/
function getType () {
return $this->type;
}
/**
* Sets multiplechoice value of a question
* @access public
* @param $tinyint The multiplechoice Value.
*/
function setMultiplechoice ($multiplechoice) {
$this->multiplechoice = $multiplechoice == YES ? YES : NO;
}
/**
* Checks for multiplechoice
* @access public
* @return boolean YES if it is an multiplechoice question
*/
function isMultiplechoice () {
return $this->multiplechoice == YES ? YES : NO;
}
/**
* Adds a child and sets the value to pos+1
* @access public
* @param object EvaluationObject &$child The child object
* @throws error
*/
function addChild (&$child) {
parent::addChild ($child);
if ($child->getValue () == 0)
$child->setValue ($child->getPosition () + 1);
}
# ===================================================== end: public functions #
# Define private functions ================================================== #
# ==================================================== end: private functions #
}
?>
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