class.ilLOXmlWriter.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */


class ilLOXmlWriter
{
    const TYPE_TST_PO = 1;
    const TYPE_TST_ALL = 2;
    const TYPE_TST_RND = 3;

    private $ref_id = 0;
    private $obj_id = 0;
    private $writer = null;
    
    protected $log = null;
    
    public function __construct($a_ref_id)
    {
        $this->ref_id = $a_ref_id;
        $this->obj_id = ilObject::_lookupObjectId($a_ref_id);
        
        include_once './Services/Xml/classes/class.ilXmlWriter.php';
        $this->writer = new ilXmlWriter();
        
        $this->log = $GLOBALS['DIC']->logger()->crs();
    }
    
    protected function getWriter()
    {
        return $this->writer;
    }
    
    public function write()
    {
        global $ilSetting;
        
        $this->getWriter()->xmlStartTag('Objectives');
        
        // export settings
        include_once './Modules/Course/classes/Objectives/class.ilLOSettings.php';
        $settings = ilLOSettings::getInstanceByObjId($this->obj_id);
        $settings->toXml($this->getWriter());
        
        $factory = new ilObjectFactory();
        $course = $factory->getInstanceByRefId($this->ref_id, false);
        if (!$course instanceof ilObjCourse) {
            $this->log->warning('Cannot create course instance for ref_id: ' . $this->ref_id);
            return;
        }
        
        include_once './Modules/Course/classes/class.ilCourseObjective.php';
        
        $this->log->debug('Writing objective xml');
        foreach (ilCourseObjective::_getObjectiveIds($this->obj_id) as $objective_id) {
            $this->log->debug('Handling objective_id: ' . $objective_id);
            $objective = new ilCourseObjective($course, $objective_id);
            $objective->toXml($this->getWriter());
        }
        
        $this->getWriter()->xmlEndTag('Objectives');
    }
    
    public function getXml()
    {
        return $this->getWriter()->xmlDumpMem(false);
    }
}