// SPDX-License-Identifier: LGPL-2.1-or-later

/***************************************************************************
 *   Copyright (c) 2015 Eivind Kvedalen <eivind@kvedalen.name>             *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  is distributed in the hope that it will be useful,      *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/

#ifndef SHEETMODEL_H
#define SHEETMODEL_H

#include <QAbstractTableModel>

#include <App/Range.h>


namespace Spreadsheet
{
class Sheet;
}

namespace SpreadsheetGui
{

class SheetModel: public QAbstractTableModel
{
    Q_OBJECT
public:
    explicit SheetModel(Spreadsheet::Sheet* _sheet, QObject* parent = nullptr);
    ~SheetModel() override;

    explicit SheetModel(QObject* parent);
    int rowCount(const QModelIndex& parent = QModelIndex()) const override;
    int columnCount(const QModelIndex& parent = QModelIndex()) const override;
    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
    bool setData(const QModelIndex& index, const QVariant& value, int role) override;
    Qt::ItemFlags flags(const QModelIndex&) const override;

private Q_SLOTS:
    void setCellData(QModelIndex index, QString str);

private:
    void cellUpdated(App::CellAddress address);
    void rangeUpdated(const App::Range& range);

    fastsignals::scoped_connection cellUpdatedConnection;
    fastsignals::scoped_connection rangeUpdatedConnection;
    Spreadsheet::Sheet* sheet;
    QColor aliasBgColor;
    QColor textFgColor;
    QColor positiveFgColor;
    QColor negativeFgColor;

    QVariantList columnLabels, rowLabels;

    static constexpr int maxRowCount = 16384, maxColumnCount = 26 + 26 * 26;
};

}  // namespace SpreadsheetGui

#endif  // SHEETMODEL_H