/*
 * (c) Copyright Ascensio System SIA 2010-2023
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
 * street, Riga, Latvia, EU, LV-1050.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */

#include "xlsx_merge_cells.h"
#include "xlsx_utils.h"

#include <vector>
#include <xml/simple_xml_writer.h>

namespace cpdoccore {
namespace oox {

class xlsx_merge_cells::Impl
{
    struct merge
    {
        merge(size_t _c, size_t _r, size_t _cols, size_t _rows): 
            c(_c), r(_r), cols(_cols), rows(_rows)
            {}
        size_t c, r, cols, rows;
    };

public:
    void add_merge(size_t column, size_t row, size_t colsMerged, size_t rowsMerged)
    {
        merges_.push_back(merge(column, row, colsMerged, rowsMerged));
    }

    void xlsx_serialize(std::wostream & _Wostream)
    {
        if (!merges_.empty())
        {
            CP_XML_WRITER(_Wostream)
            {
                CP_XML_NODE(L"mergeCells")
                {
                    CP_XML_ATTR(L"count", merges_.size());

                    for (size_t i = 0 ; i < merges_.size(); i++)
                    {
						merge & m = merges_[i];

                        CP_XML_NODE(L"mergeCell")
                        {
                            CP_XML_ATTR(L"ref", getCellAddress(m.c, m.r) + L":" + getCellAddress(m.c + m.cols, m.r + m.rows));
                        } 
                    }
                }          
            }
        }
    }

private:
    std::vector<merge> merges_;
};

xlsx_merge_cells::xlsx_merge_cells(): impl_(new xlsx_merge_cells::Impl())
{}

xlsx_merge_cells::xlsx_merge_cells(const xlsx_merge_cells & m): impl_(new xlsx_merge_cells::Impl(*m.impl_))
{
}

const xlsx_merge_cells & xlsx_merge_cells::operator=(const xlsx_merge_cells & m)
{
    _CP_SCOPED_PTR(Impl) newImpl(new xlsx_merge_cells::Impl(*m.impl_));
    newImpl.swap(impl_);        
    return *this;
}

xlsx_merge_cells::~xlsx_merge_cells()
{}

void xlsx_merge_cells::add_merge(size_t column, size_t row, size_t colsMerged, size_t rowsMerged)
{
    return impl_->add_merge(column, row, colsMerged, rowsMerged);
}

void xlsx_merge_cells::xlsx_serialize(std::wostream & _Wostream)
{
    return impl_->xlsx_serialize(_Wostream);
}

}
}