class.ilSCORM2004Chapter.php

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<?php

/* Copyright (c) 1998-2011 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once("./Modules/Scorm2004/classes/class.ilSCORM2004Node.php");

class ilSCORM2004Chapter extends ilSCORM2004Node
{
        var $tree;

        function __construct($a_slm_object, $a_id = 0)
        {
                parent::__construct($a_slm_object, $a_id);
                $this->setType("chap");
        }

        function delete($a_delete_meta_data = true)
        {
                $node_data = $this->tree->getNodeData($this->getId());
                $this->delete_rec($a_delete_meta_data);
                $this->tree->deleteTree($node_data);
                parent::deleteSeqInfo();
        }

        private function delete_rec($a_delete_meta_data = true)
        {
                $childs = $this->tree->getChilds($this->getId());
                foreach ($childs as $child)
                {
                        $obj = ilSCORM2004NodeFactory::getInstance($this->slm_object, $child["obj_id"], false);
                        if (is_object($obj))
                        {
                                if ($obj->getType() == "chap")
                                {
                                        $obj->delete_rec($a_tree, $a_delete_meta_data);
                                }
                                if ($obj->getType() == "sco")
                                {
                                        $obj->delete($a_delete_meta_data);
                                }
                        }
                        unset($obj);
                }
                parent::delete($a_delete_meta_data);
        }

        function create($a_upload = false, $a_template = false)
        {
                include_once("./Modules/Scorm2004/classes/seq_editor/class.ilSCORM2004Item.php");
                include_once("./Modules/Scorm2004/classes/seq_editor/class.ilSCORM2004Objective.php");
                parent::create($a_upload);
                if (!$a_template) {
                        $this->insertDefaultSequencingItem();
                }
        }

        function insertDefaultSequencingItem()
        {
                $seq_item = new ilSCORM2004Item($this->getId());
                $seq_item->setDefaultXml(true);
                $seq_item->insert();
        }

        function copy($a_target_slm)
        {
                $chap = new ilSCORM2004Chapter($a_target_slm);
                $chap->setTitle($this->getTitle());
                if ($this->getSLMId() != $a_target_slm->getId())
                {
                        $chap->setImportId("il__chap_".$this->getId());
                }
                $chap->setSLMId($a_target_slm->getId());
                $chap->setType($this->getType());
                $chap->setDescription($this->getDescription());
                $chap->create(true);
                $a_copied_nodes[$this->getId()] = $chap->getId();
                
                // copy meta data
                include_once("Services/MetaData/classes/class.ilMD.php");
                $md = new ilMD($this->getSLMId(), $this->getId(), $this->getType());
                $new_md = $md->cloneMD($a_target_slm->getId(), $chap->getId(), $this->getType());
                
                return $chap;
        }

        function exportXML(&$a_xml_writer, $a_inst, &$expLog)
        {
// @todo
        }


        function exportXMLMetaData(&$a_xml_writer)
        {
                include_once("Services/MetaData/classes/class.ilMD2XML.php");
                $md2xml = new ilMD2XML($this->getSLMId(), $this->getId(), $this->getType());
                $md2xml->setExportMode(true);
                $md2xml->startExport();
                $a_xml_writer->appendXML($md2xml->getXML());
        }
}
?>