/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtSql module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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**
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** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QSQLTABLEMODEL_P_H
#define QSQLTABLEMODEL_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of qsql*model.h .  This header file may change from version to version
// without notice, or even be removed.
//
// We mean it.
//

#include "QtCore/qmap.h"
#include "private/qsqlquerymodel_p.h"

QT_BEGIN_NAMESPACE

class QSqlTableModelPrivate: public QSqlQueryModelPrivate
{
    Q_DECLARE_PUBLIC(QSqlTableModel)

public:
    QSqlTableModelPrivate()
        : sortColumn(-1),
          sortOrder(Qt::AscendingOrder),
          strategy(QSqlTableModel::OnRowChange),
          busyInsertingRows(false)
    {}
    void clear();
    QSqlRecord primaryValues(int index) const;
    virtual void clearCache();
    QSqlRecord record(const QVector<QVariant> &values) const;

    bool exec(const QString &stmt, bool prepStatement,
              const QSqlRecord &rec, const QSqlRecord &whereValues);
    virtual void revertCachedRow(int row);
    virtual int nameToIndex(const QString &name) const;
    QString strippedFieldName(const QString &name) const;
    int insertCount(int maxRow = -1) const;
    void initRecordAndPrimaryIndex();

    QSqlDatabase db;

    int sortColumn;
    Qt::SortOrder sortOrder;

    QSqlTableModel::EditStrategy strategy;
    bool busyInsertingRows;

    QSqlQuery editQuery;
    QSqlIndex primaryIndex;
    QString tableName;
    QString filter;

    enum Op { None, Insert, Update, Delete };

    class ModifiedRow
    {
    public:
        inline ModifiedRow(Op o = None, const QSqlRecord &r = QSqlRecord())
            : m_op(o), m_rec(r), m_submitted(false)
        {
            for (int i = m_rec.count() - 1; i >= 0; --i)
                m_rec.setGenerated(i, false);
        }
        inline Op op() const { return m_op; }
        inline QSqlRecord rec() const { return m_rec; }
        inline QSqlRecord& recRef() { return m_rec; }
        inline void setValue(int c, const QVariant &v)
        {
            m_rec.setValue(c, v);
            m_rec.setGenerated(c, true);
        }
        inline bool submitted() const { return m_submitted; }
        inline void setSubmitted(bool b) { m_submitted = b; }
    private:
        Op m_op;
        QSqlRecord m_rec;
        bool m_submitted;
    };

    typedef QMap<int, ModifiedRow> CacheMap;
    CacheMap cache;
};

QT_END_NAMESPACE

#endif // QSQLTABLEMODEL_P_H