/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef SPREADSHEETITEM_H
#define SPREADSHEETITEM_H

#include <QTableWidgetItem>
#include <QtGui>
#include "spreadsheet.h"

class SpreadSheetItem : public QTableWidgetItem
{
public:
    SpreadSheetItem();
    SpreadSheetItem(const QString &text);

    QTableWidgetItem *clone() const;

    QVariant data(int role) const;
    void setData(int role, const QVariant &value);
    QVariant display() const;

    inline QString formula() const
    { return QTableWidgetItem::data(Qt::DisplayRole).toString(); }

    static QVariant computeFormula(const QString &formula,
                                   const QTableWidget *widget,
                                   const QTableWidgetItem *self = 0);

private:
    mutable bool isResolving;
};

#endif // SPREADSHEETITEM_H

