//
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2012      Shou Ya <shouyatf@gmail.com>
//

#include "KmlTimeSpanWriter.h"

#include "GeoDataTimeSpan.h"
#include "GeoDataTypes.h"
#include "GeoWriter.h"
#include "KmlElementDictionary.h"
#include "KmlTimeStampTagWriter.h"
#include "KmlObjectTagWriter.h"

namespace Marble
{

static GeoTagWriterRegistrar s_writerLookAt(
    GeoTagWriter::QualifiedName( GeoDataTypes::GeoDataTimeSpanType,
				 kml::kmlTag_nameSpaceOgc22 ),
    new KmlTimeSpanWriter );

bool KmlTimeSpanWriter::write( const GeoNode *node,
			       GeoWriter& writer ) const
{
    const GeoDataTimeSpan *timespan = geodata_cast<GeoDataTimeSpan>(node);
    Q_ASSERT(timespan);

    writer.writeStartElement( kml::kmlTag_TimeSpan );
    KmlObjectTagWriter::writeIdentifiers( writer, timespan );

    writer.writeTextElement( "begin", KmlTimeStampTagWriter::toString( timespan->begin() ) );
    writer.writeTextElement( "end", KmlTimeStampTagWriter::toString( timespan->end() ) );

    writer.writeEndElement();

    return true;
}

}

