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<?php
# Lifter002: TODO
# Lifter007: TODO
# Lifter003: TODO
# Lifter010: TODO
// +--------------------------------------------------------------------------+
// 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_GROUPDB;
require_once EVAL_FILE_OBJECT;
require_once EVAL_FILE_QUESTION;
# ====================================================== end: including files #
# Define constants ========================================================== #
/**
* @const INSTANCEOF_EVALGROUP Is instance of an evaluationgroup object
* @access public
*/
define ("INSTANCEOF_EVALGROUP", "EvaluationGroup");
# ===================================================== end: define constants #
/**
* This class provides a group for an evaluation for the Stud.IP-project.
*
* @author Alexander Willner <mail@AlexanderWillner.de>
* @copyright 2004 Stud.IP-Project
* @access public
* @package evaluation
*
*/
class EvaluationGroup extends EvaluationObject {
#Define all required variables ============================================= #
/**
* Possible Type of thechildren
* @access private
* @var string $childType
*/
var $childType;
/**
* Is it mandatory to answer sub questions
* @access private
* @var boolean $mandatory
*/
var $mandatory;
/**
* ID of the templateID for the childs
* @access private
* @var string $templateID
*/
var $templateID;
# ============================================================ end: variables #
# Define constructor and destructor ========================================= #
/**
* Constructor
* @access public
* @param string $objectID The ID of an existing group
* @param EvaluationObject $parentObject The parent object if exists
* @param string $loadChildren See const EVAL_LOAD_*_CHILDREN
*/
function __construct($objectID = "", $parentObject = null,
$loadChildren = EVAL_LOAD_NO_CHILDREN) {
/* Set default values ------------------------------------------------- */
parent::__construct($objectID, $parentObject, $loadChildren);
$this->instanceof = INSTANCEOF_EVALGROUP;
$this->childType = NULL;
$this->mandatory = NO;
/* --------------------------------------------------------------------- */
/* Connect to database ------------------------------------------------- */
$this->db = new EvaluationGroupDB ();
if ($this->db->isError ())
return $this->throwErrorFromClass ($this->db);
$this->init ($objectID);
/* --------------------------------------------------------------------- */
}
# =========================================== end: constructor and destructor #
# Define public functions =================================================== #
/**
* Returns wheter the childs are groups or questions
* @access public
*/
function getChildType () {
return $this->childType;
}
/**
* Adds a child
* @access public
* @param object EvaluationObject &$child The child object
*/
function addChild (&$child) {
parent::addChild ($child);
$this->childType = $child->x_instanceof ();
}
/**
* Defines which type of childs the group have
* @access public
* @param string $childType The child type
*/
function setChildType ($childType) {
$this->childType = $childType;
}
/**
* Is it mandatory to answer sub questions
* @access public
* @param boolean $boolean true if it is mandatory
*/
function setMandatory ($boolean) {
$this->mandatory = $boolean == YES ? YES : NO;
}
/**
* Is it mandatory to answer sub questions?
* @access public
* @return boolean YES if it is true, else NO
*/
function isMandatory () {
return $this->mandatory == YES ? YES : NO;
}
/**
* Gets the template id
* @access public
* @return string The template id
*/
function getTemplateID () {
return $this->templateID;
}
/**
* Sets the template id
* @access public
* @param string $templateID The template id
*/
function setTemplateID ($templateID) {
$newQuestionTexts = [];
# if ($templateID == $this->templateID)
# return; // for performance reasons
$this->templateID = $templateID;
while ($child = &$this->getChild ()) {
array_push ($newQuestionTexts, $child->getText ());
$child->delete ();
}
while ($text = array_pop ($newQuestionTexts)) {
$template = new EvaluationQuestion ($templateID, NULL,
EVAL_LOAD_ALL_CHILDREN);
$child = &$template->duplicate ();
$child->setText ($text);
$this->addChild ($child);
}
}
# ======================================================= end: public nctions #
# Define private functions ================================================== #
# ==================================================== end: private functions #
}
?>
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