/* -*- 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/.

 *

 */

#include <memory>

#include <reffact.hxx>

#include <TableFillingAndNavigationTools.hxx>

#include <MovingAverageDialog.hxx>

#include <scresid.hxx>

#include <strings.hrc>

ScMovingAverageDialog::ScMovingAverageDialog(

                    SfxBindings* pSfxBindings, SfxChildWindow* pChildWindow,

                    weld::Window* pParent, ScViewData& rViewData )

    : ScStatisticsInputOutputDialog(

            pSfxBindings, pChildWindow, pParent, rViewData,

            u"modules/scalc/ui/movingaveragedialog.ui"_ustr,

            u"MovingAverageDialog"_ustr)

    , mxTrimRangeCheck(m_xBuilder->weld_check_button(u"trimrange-check"_ustr))

    , mxIntervalSpin(m_xBuilder->weld_spin_button(u"interval-spin"_ustr))

{

}

ScMovingAverageDialog::~ScMovingAverageDialog()

{

}

void ScMovingAverageDialog::Close()

{

    DoClose( ScMovingAverageDialogWrapper::GetChildWindowId() );

}

TranslateId ScMovingAverageDialog::GetUndoNameId()

{

    return STR_MOVING_AVERAGE_UNDO_NAME;

}

ScRange ScMovingAverageDialog::ApplyOutput(ScDocShell& rDocShell)

{

    AddressWalkerWriter output(mOutputAddress, rDocShell, mDocument,

            formula::FormulaGrammar::mergeToGrammar( formula::FormulaGrammar::GRAM_ENGLISH, mAddressDetails.eConv));

    FormulaTemplate aTemplate(&mDocument);

    if (mxTrimRangeCheck->get_active())

        mDocument.GetDataAreaSubrange(mInputRange);

    std::unique_ptr<DataRangeIterator> pIterator;

    if (mGroupedBy == BY_COLUMN)

        pIterator.reset(new DataRangeByColumnIterator(mInputRange));

    else

        pIterator.reset(new DataRangeByRowIterator(mInputRange));

    sal_Int32 aIntervalSize = mxIntervalSpin->get_value();

    const bool aCentral = true; //to-do add support to change this to the dialog

    for( ; pIterator->hasNext(); pIterator->next() )

    {

        output.resetRow();

        // Write label

        if (mGroupedBy == BY_COLUMN)

            aTemplate.setTemplate(ScResId(STR_COLUMN_LABEL_TEMPLATE));

        else

            aTemplate.setTemplate(ScResId(STR_ROW_LABEL_TEMPLATE));

        aTemplate.applyNumber(u"%NUMBER%", pIterator->index() + 1);

        output.writeBoldString(aTemplate.getTemplate());

        output.nextRow();

        DataCellIterator aDataCellIterator = pIterator->iterateCells();

        std::vector<OUString> aFormulas;

        for (; aDataCellIterator.hasNext(); aDataCellIterator.next())

        {

            ScAddress aIntervalStart;

            ScAddress aIntervalEnd;

            if (aCentral)

            {

                sal_Int32 aHalf = aIntervalSize / 2;

                sal_Int32 aHalfRemainder = aIntervalSize % 2;

                aIntervalStart = aDataCellIterator.getRelative(-aHalf);

                aIntervalEnd = aDataCellIterator.getRelative(aHalf - 1 + aHalfRemainder);

            }

            else

            {

                aIntervalStart = aDataCellIterator.getRelative(-aIntervalSize);

                aIntervalEnd = aDataCellIterator.getRelative(0);

            }

            if(aIntervalStart.IsValid() && aIntervalEnd.IsValid())

            {

                aTemplate.setTemplate("=AVERAGE(%RANGE%)");

                aTemplate.applyRange(u"%RANGE%", ScRange(aIntervalStart, aIntervalEnd));

                aFormulas.push_back(aTemplate.getTemplate());

            }

            else

            {

                aFormulas.push_back(u"=#N/A"_ustr);

            }

        }

        output.writeFormulas(aFormulas);

        output.nextColumn();

    }

    return ScRange(output.mMinimumAddress, output.mMaximumAddress);

}

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