class.ilCategoryExporter.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
 
include_once './Services/Export/classes/class.ilXmlExporter.php';
 
class ilCategoryExporter extends ilXmlExporter
{
        public function getXmlExportHeadDependencies($a_entity, $a_target_release, $a_ids)
        {
                // always trigger container because of co-page(s)
                return array(
                        array(
                                'component'             => 'Services/Container',
                                'entity'                => 'struct',
                                'ids'                   => $a_ids
                        )
                );
                
                /*
                include_once './Services/Export/classes/class.ilExportOptions.php';
                $eo = ilExportOptions::getInstance();
 
                $obj_id = end($a_ids);
 
 
                $GLOBALS['ilLog']->write(__METHOD__.': '.$obj_id);
                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();          
                */
        }
        
        function getXmlExportTailDependencies($a_entity, $a_target_release, $a_ids)
        {
                if ($a_entity == "cat")
                {
                        include_once("./Services/Taxonomy/classes/class.ilObjTaxonomy.php");
                        $tax_ids = array();
                        foreach ($a_ids as $id)
                        {
                                $t_ids = ilObjTaxonomy::getUsageOfObject($id);
                                if (count($t_ids) > 0)
                                {
                                        $tax_ids[$t_ids[0]] = $t_ids[0];
                                }
                        }
 
                        return array (
                                array(
                                        "component" => "Services/Taxonomy",
                                        "entity" => "tax",
                                        "ids" => $tax_ids)
                                );
                }
                return array();
        }
 
        public function getXmlRepresentation($a_entity, $a_schema_version, $a_id)
        {
                $cat_ref_id = end(ilObject::_getAllReferences($a_id));
                $category = ilObjectFactory::getInstanceByRefId($cat_ref_id,false);
 
                if(!$category instanceof ilObjCategory)
                {
                        $GLOBALS['ilLog']->write(__METHOD__. $a_id . ' is not instance of type category!');
                        return '';
                }
 
                include_once './Modules/Category/classes/class.ilCategoryXmlWriter.php';
 
                $writer = new ilCategoryXmlWriter($category);
                $writer->setMode(ilCategoryXmlWriter::MODE_EXPORT);
                $writer->export(false);
                return $writer->getXml();
        }
 
        public function getValidSchemaVersions($a_entity)
        {
                return array (
                        "4.3.0" => array(
                                "namespace" => "http://www.ilias.de/Modules/Category/cat/4_3",
                                "xsd_file" => "ilias_cat_4_3.xsd",
                                "uses_dataset" => false,
                                "min" => "4.3.0",
                                "max" => "")
                );
        }
 
        public function init() {
                
        }
 
}
?>