class.ilSCORMObject.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | 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 (at your option) 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. |
        +-----------------------------------------------------------------------------+
*/
 
 
class ilSCORMObject
{
        var $id;
        var $title;
        var $type;
        var $slm_id;
 
 
        function ilSCORMObject($a_id = 0)
        {
                global $ilias;
 
                $this->ilias =& $ilias;
                $this->id = $a_id;
                if ($a_id > 0)
                {
                        $this->read();
                }
        }
 
        function getId()
        {
                return $this->id;
        }
 
        function setId($a_id)
        {
                $this->id = $a_id;
        }
 
        function getType()
        {
                return $this->type;
        }
 
        function setType($a_type)
        {
                $this->type = $a_type;
        }
 
        function getTitle()
        {
                return $this->title;
        }
 
        function setTitle($a_title)
        {
                $this->title = $a_title;
        }
 
        function getSLMId()
        {
                return $this->slm_id;
        }
 
        function setSLMId($a_slm_id)
        {
                $this->slm_id = $a_slm_id;
        }
 
        function read()
        {
                global $ilDB;
                
                $obj_set = $ilDB->queryF('SELECT * FROM scorm_object WHERE obj_id = %s', 
                        array('integer'),array($this->getId()));
                $obj_rec = $ilDB->fetchAssoc($obj_set);
                $this->setTitle($obj_rec["title"]);
                $this->setType($obj_rec["c_type"]);
                $this->setSLMId($obj_rec["slm_id"]);
        }
        
        function _lookupPresentableItems($a_slm_id)
        {
                global $ilDB;
                
                $set = $ilDB->queryF("
                        SELECT sit.obj_id id 
                        FROM scorm_object sob, sc_item sit
                        WHERE sob.slm_id = %s
                        AND sob.obj_id = sit.obj_id
                        AND sit.identifierref IS NOT NULL",
                        array('integer'),
                        array($a_slm_id)
                );
                $items = array();
                while ($rec = $ilDB->fetchAssoc($set))
                {
                        $items[] = $rec["id"];
                }
                
                return $items;
        }
 
    function create()
    {
        global $ilDB;
      
       $nextId = $ilDB->nextId('scorm_object');
       $this->setId($nextId);
         
        $ilDB->manipulateF('
        INSERT INTO scorm_object (obj_id,title, c_type, slm_id) 
        VALUES (%s,%s,%s,%s) ',
        array('integer','text','text','integer'),
        array($nextId, $this->getTitle(),$this->getType(), $this->getSLMId()));       
        
        
    }
 
    function update()
    {
        global $ilDB;
        
        $ilDB->manipulateF('
        UPDATE scorm_object 
        SET title = %s,
                c_type = %s,
                slm_id = %s
        WHERE obj_id = %s',
        array('text','text','integer','integer'),
        array($this->getTitle(),$this->getType(), $this->getSLMId(),$this->getId())
        );      
        
    } 
 
        function delete()
        {
                global $ilDB;
                $ilDB->manipulateF('DELETE FROM scorm_object WHERE obj_id = %s',
                array('integer'),array($this->getId()) );
 
        }
 
        function &_getInstance($a_id, $a_slm_id)
        {
                global $ilDB;
 
                $sc_set = $ilDB->queryF('
                        SELECT c_type FROM scorm_object 
                        WHERE obj_id = %s
                        AND slm_id = %s',
                        array('integer','integer'),
                        array($a_id, $a_slm_id)
                );
                $sc_rec = $ilDB->fetchAssoc($sc_set);
                        
                switch($sc_rec["c_type"])
                {
                        case "sit":                                     // item
                                include_once("./Modules/ScormAicc/classes/SCORM/class.ilSCORMItem.php");
                                $item =& new ilSCORMItem($a_id);
                                return $item;
                                break;
 
                        case "sos":                                     // organizations
                                include_once("./Modules/ScormAicc/classes/SCORM/class.ilSCORMOrganizations.php");
                                $sos =& new ilSCORMOrganizations($a_id);
                                return $sos;
                                break;
 
                        case "sor":                                     // organization
                                include_once("./Modules/ScormAicc/classes/SCORM/class.ilSCORMOrganization.php");
                                $sor =& new ilSCORMOrganization($a_id);
                                return $sor;
                                break;
 
                        case "sma":                                     // manifest
                                include_once("./Modules/ScormAicc/classes/SCORM/class.ilSCORMManifest.php");
                                $sma =& new ilSCORMManifest($a_id);
                                return $sma;
                                break;
 
                        case "srs":                                     // resources
                                include_once("./Modules/ScormAicc/classes/SCORM/class.ilSCORMResources.php");
                                $srs =& new ilSCORMResources($a_id);
                                return $srs;
                                break;
 
                        case "sre":                                     // resource
                                include_once("./Modules/ScormAicc/classes/SCORM/class.ilSCORMResource.php");
                                $sre =& new ilSCORMResource($a_id);
                                return $sre;
                                break;
                }
        }
 
}
?>