/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#include "ColumnLineDataInterpreter.hxx"

#include <DataSeries.hxx>

#include <osl/diagnose.h>

#include <algorithm>

using namespace ::com::sun::star;

using namespace ::com::sun::star::chart2;

using ::com::sun::star::uno::Reference;

using ::com::sun::star::uno::Sequence;

namespace chart

{

// explicit

ColumnLineDataInterpreter::ColumnLineDataInterpreter(

    sal_Int32 nNumberOfLines ) :

        m_nNumberOfLines( nNumberOfLines )

{}

ColumnLineDataInterpreter::~ColumnLineDataInterpreter()

{}

// ____ DataInterpreter ____

InterpretedData ColumnLineDataInterpreter::interpretDataSource(

    const Reference< data::XDataSource >& xSource,

    const Sequence< beans::PropertyValue >& aArguments,

    const std::vector< rtl::Reference< DataSeries > >& aSeriesToReUse )

{

    InterpretedData aResult(  DataInterpreter::interpretDataSource( xSource, aArguments, aSeriesToReUse ));

    // the base class should return one group

    OSL_ASSERT( aResult.Series.size() == 1 );

    if( aResult.Series.size() == 1 )

    {

        sal_Int32 nNumberOfSeries = aResult.Series[0].size();

        // if we have more than one series put the last nNumOfLines ones into a new group

        if( nNumberOfSeries > 1 && m_nNumberOfLines > 0 )

        {

            sal_Int32 nNumOfLines = std::min( m_nNumberOfLines, nNumberOfSeries - 1 );

            aResult.Series.resize(2);

            std::vector< rtl::Reference< DataSeries > > & rColumnDataSeries = aResult.Series[0];

            std::vector< rtl::Reference< DataSeries > > & rLineDataSeries   = aResult.Series[1];

            rLineDataSeries.resize( nNumOfLines );

            std::copy( std::cbegin(rColumnDataSeries) + nNumberOfSeries - nNumOfLines,

                         std::cbegin(rColumnDataSeries) + nNumberOfSeries,

                         rLineDataSeries.begin() );

            rColumnDataSeries.resize( nNumberOfSeries - nNumOfLines );

        }

    }

    return aResult;

}

} // namespace chart

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */