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<?php
# Lifter002: TODO
# Lifter007: TODO
# Lifter003: TODO
# Lifter010: TODO
/**
* The treeclass for an evaluation.
*
* @author mcohrs
*
* @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_EVAL;
require_once EVAL_FILE_GROUP;
# ====================================================== end: including files #
class EvaluationTree extends TreeAbstract {
# Define all required variables ============================================= #
/**
* Holds the Evaluation object
* @access public
* @var object Evaluation $eval
*/
var $eval;
/**
* Holds the Evaluation ID
* @access public
* @var string $evalID
*/
var $evalID;
/**
* Holds the eval constructor load mode
* @access public
* @var integer $load_mode
*/
var $load_mode;
var $root_content;
# ============================================================ end: variables #
# Define constructor and destructor ========================================= #
/**
* Constructor
* @access public
* @param array the eval's ID (optional - if not given, it must be in $_REQUEST).
*/
function __construct( $args ) {
if (isset($args['evalID']))
$this->evalID = $args['evalID'];
else
$this->evalID = Request::option("evalID");
$this->load_mode = ($args['load_mode'] ? $args['load_mode'] : EVAL_LOAD_NO_CHILDREN);
if (empty($this->evalID)){
print _("Fehler in EvaluationTree: Es wurde keine evalID übergeben");
exit ();
}
/* ------------------------------------------------------------------- */
parent::__construct();
}
# =========================================== end: constructor and destructor #
# Define public functions =================================================== #
/**
* initializes the tree
* store rows from evaluation tables in array $tree_data
* @access public
*/
function init() {
/* create the evaluation -------------------> */
$this->eval = new Evaluation( $this->evalID, NULL, $this->load_mode );
$this->root_name = $this->eval->getTitle();
$this->root_content = $this->eval->getText();
/* create the tree structure ---------------> */
parent::init();
foreach( $this->eval->getChildren() as $group ) {
$this->recursiveInit( $group );
$this->tree_data[$group->getObjectID()]["text"] = $group->getText();
$this->tree_data[$group->getObjectID()]["object"] = $group;
$this->storeItem( $group->getObjectID(), "root",
$group->getTitle(), $group->getPosition() );
}
/* <---------------------------------------- */
}
/**
* initialize the sub-groups.
*
* @access private
* @param object EvaluationGroup the current group to be initialized.
*/
function recursiveInit( $group ) {
// only groups are interesting here.
if( $group->x_instanceof() != INSTANCEOF_EVALGROUP )
return;
if( $children = $group->getChildren() ) {
foreach( $children as $child ) {
$this->recursiveInit( $child );
}
}
// store current object itself
$this->tree_data[$group->getObjectID()]["object"] = $group;
$this->storeItem( $group->getObjectID(), $group->getParentID(),
$group->getTitle(), $group->getPosition() );
}
function &getGroupObject($item_id, $renew = false){
if (isset($this->tree_data[$item_id]['object']) && is_object($this->tree_data[$item_id]['object'])) {
if ($renew) $this->recursiveInit(new EvaluationGroup($item_id,null,$this->load_mode));
return $this->tree_data[$item_id]['object'];
} else {
$evalGroup = new EvaluationGroup($item_id, null, $this->load_mode);
return $evalGroup;
}
}
# ===================================================== end: public functions #
}
?>
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