class.ilCourseExporter.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */
 
 
include_once './Modules/Course/classes/class.ilCourseXMLWriter.php';
include_once './Services/Export/classes/class.ilXmlExporter.php';
 
class ilCourseExporter extends ilXmlExporter
{
        private $writer = null;
 
        public function __construct()
        {
        }
        
        public function init()
        {
                
        }
        
        public function getXmlExportHeadDependencies($a_entity, $a_target_release, $a_ids)
        {
                include_once './Services/Export/classes/class.ilExportOptions.php';
                $eo = ilExportOptions::getInstance();
 
                $obj_id = end($a_ids);
                if($eo->getOption(ilExportOptions::KEY_ROOT) != $obj_id)
                {
                        return array();
                }
                if(count(ilExportOptions::getInstance()->getSubitemsForExport()) > 1)
                {
                        return array(
                                array(
                                        'component'             => 'Services/Container',
                                        'entity'                => 'struct',
                                        'ids'                   => $a_ids
                                )
                        );
                }
                return array();         
        }
        
        
        public function getXmlRepresentation($a_entity, $a_schema_version, $a_id)
        {
                $course_ref_id = end(ilObject::_getAllReferences($a_id));
                $course = ilObjectFactory::getInstanceByRefId($course_ref_id,false);
                
                if(!$course instanceof ilObjCourse)
                {
                        $GLOBALS['ilLog']->write(__METHOD__. $a_id . ' is not instance of type course');
                        return ''; 
                }
                
                $this->writer = new ilCourseXMLWriter($course);
                $this->writer->setMode(ilCourseXMLWriter::MODE_EXPORT);
                $this->writer->start();
                return $this->writer->xmlDumpMem(false);
        }
        
        public function getValidSchemaVersions($a_entity)
        {
                return array (
                        "4.1.0" => array(
                                "namespace" => "http://www.ilias.de/Modules/Course/crs/4_1",
                                "xsd_file" => "ilias_course_4_1.xsd",
                                "uses_dataset" => false,
                                "min" => "4.1.0",
                                "max" => "4.4.999"),
                        "5.0.0" => array(
                                "namespace" => "http://www.ilias.de/Modules/Course/crs/5_0",
                                "xsd_file" => "ilias_crs_5_0.xsd",
                                "uses_dataset" => false,
                                "min" => "5.0.0",
                                "max" => "")
                );
        }
}
?>