/****************************************************************************
**
** https://www.qxorm.com/
** Copyright (C) 2013 XDL Team (ic-east.com)
**
** This file is part of the QxOrm library
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any
** damages arising from the use of this software
**
** Commercial Usage
** Licensees holding valid commercial QxOrm 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 XDL Team
**
** 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.gpl3.txt' 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
**
** If you are unsure which license is appropriate for your use, or
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****************************************************************************/

#ifndef _QX_CONSTRUCT_NULL_QVARIANT_H_
#define _QX_CONSTRUCT_NULL_QVARIANT_H_

#ifdef _MSC_VER
#pragma once
#endif

/*!
 * \file construct_null_qvariant.h
 * \author XDL Team
 * \ingroup QxTraits
 * \brief qx::trait::construct_null_qvariant<T>::get() : create a NULL QVariant which matches QVariant::Type with type T
 */

#include <QtCore/qvariant.h>

#include <QxDao/QxDateNeutral.h>
#include <QxDao/QxTimeNeutral.h>
#include <QxDao/QxDateTimeNeutral.h>

namespace qx
{
    namespace trait
    {

        /*!
         * \ingroup QxTraits
         * \brief qx::trait::construct_null_qvariant<T>::get() : create a NULL QVariant which matches QVariant::Type with type T
         */
        template <typename T>
        struct construct_null_qvariant
        {
            static inline QVariant get() { return QVariant(); }
        };

        template <>
        struct construct_null_qvariant<QBitArray>
        {
            static inline QVariant get() { return QVariant(QVariant::BitArray); }
        };
        template <>
        struct construct_null_qvariant<QBitArray &>
        {
            static inline QVariant get() { return QVariant(QVariant::BitArray); }
        };
        template <>
        struct construct_null_qvariant<const QBitArray>
        {
            static inline QVariant get() { return QVariant(QVariant::BitArray); }
        };
        template <>
        struct construct_null_qvariant<const QBitArray &>
        {
            static inline QVariant get() { return QVariant(QVariant::BitArray); }
        };

        template <>
        struct construct_null_qvariant<QByteArray>
        {
            static inline QVariant get() { return QVariant(QVariant::ByteArray); }
        };
        template <>
        struct construct_null_qvariant<QByteArray &>
        {
            static inline QVariant get() { return QVariant(QVariant::ByteArray); }
        };
        template <>
        struct construct_null_qvariant<const QByteArray>
        {
            static inline QVariant get() { return QVariant(QVariant::ByteArray); }
        };
        template <>
        struct construct_null_qvariant<const QByteArray &>
        {
            static inline QVariant get() { return QVariant(QVariant::ByteArray); }
        };

        template <>
        struct construct_null_qvariant<bool>
        {
            static inline QVariant get() { return QVariant(QVariant::Bool); }
        };
        template <>
        struct construct_null_qvariant<bool &>
        {
            static inline QVariant get() { return QVariant(QVariant::Bool); }
        };
        template <>
        struct construct_null_qvariant<const bool>
        {
            static inline QVariant get() { return QVariant(QVariant::Bool); }
        };
        template <>
        struct construct_null_qvariant<const bool &>
        {
            static inline QVariant get() { return QVariant(QVariant::Bool); }
        };

        template <>
        struct construct_null_qvariant<short>
        {
            static inline QVariant get() { return QVariant(QVariant::Int); }
        };
        template <>
        struct construct_null_qvariant<short &>
        {
            static inline QVariant get() { return QVariant(QVariant::Int); }
        };
        template <>
        struct construct_null_qvariant<const short>
        {
            static inline QVariant get() { return QVariant(QVariant::Int); }
        };
        template <>
        struct construct_null_qvariant<const short &>
        {
            static inline QVariant get() { return QVariant(QVariant::Int); }
        };

        template <>
        struct construct_null_qvariant<int>
        {
            static inline QVariant get() { return QVariant(QVariant::Int); }
        };
        template <>
        struct construct_null_qvariant<int &>
        {
            static inline QVariant get() { return QVariant(QVariant::Int); }
        };
        template <>
        struct construct_null_qvariant<const int>
        {
            static inline QVariant get() { return QVariant(QVariant::Int); }
        };
        template <>
        struct construct_null_qvariant<const int &>
        {
            static inline QVariant get() { return QVariant(QVariant::Int); }
        };

        template <>
        struct construct_null_qvariant<long>
        {
            static inline QVariant get() { return QVariant(QVariant::LongLong); }
        };
        template <>
        struct construct_null_qvariant<long &>
        {
            static inline QVariant get() { return QVariant(QVariant::LongLong); }
        };
        template <>
        struct construct_null_qvariant<const long>
        {
            static inline QVariant get() { return QVariant(QVariant::LongLong); }
        };
        template <>
        struct construct_null_qvariant<const long &>
        {
            static inline QVariant get() { return QVariant(QVariant::LongLong); }
        };

        template <>
        struct construct_null_qvariant<long long>
        {
            static inline QVariant get() { return QVariant(QVariant::LongLong); }
        };
        template <>
        struct construct_null_qvariant<long long &>
        {
            static inline QVariant get() { return QVariant(QVariant::LongLong); }
        };
        template <>
        struct construct_null_qvariant<const long long>
        {
            static inline QVariant get() { return QVariant(QVariant::LongLong); }
        };
        template <>
        struct construct_null_qvariant<const long long &>
        {
            static inline QVariant get() { return QVariant(QVariant::LongLong); }
        };

        template <>
        struct construct_null_qvariant<float>
        {
            static inline QVariant get() { return QVariant(QVariant::Double); }
        };
        template <>
        struct construct_null_qvariant<float &>
        {
            static inline QVariant get() { return QVariant(QVariant::Double); }
        };
        template <>
        struct construct_null_qvariant<const float>
        {
            static inline QVariant get() { return QVariant(QVariant::Double); }
        };
        template <>
        struct construct_null_qvariant<const float &>
        {
            static inline QVariant get() { return QVariant(QVariant::Double); }
        };

        template <>
        struct construct_null_qvariant<double>
        {
            static inline QVariant get() { return QVariant(QVariant::Double); }
        };
        template <>
        struct construct_null_qvariant<double &>
        {
            static inline QVariant get() { return QVariant(QVariant::Double); }
        };
        template <>
        struct construct_null_qvariant<const double>
        {
            static inline QVariant get() { return QVariant(QVariant::Double); }
        };
        template <>
        struct construct_null_qvariant<const double &>
        {
            static inline QVariant get() { return QVariant(QVariant::Double); }
        };

        template <>
        struct construct_null_qvariant<unsigned short>
        {
            static inline QVariant get() { return QVariant(QVariant::UInt); }
        };
        template <>
        struct construct_null_qvariant<unsigned short &>
        {
            static inline QVariant get() { return QVariant(QVariant::UInt); }
        };
        template <>
        struct construct_null_qvariant<const unsigned short>
        {
            static inline QVariant get() { return QVariant(QVariant::UInt); }
        };
        template <>
        struct construct_null_qvariant<const unsigned short &>
        {
            static inline QVariant get() { return QVariant(QVariant::UInt); }
        };

        template <>
        struct construct_null_qvariant<unsigned int>
        {
            static inline QVariant get() { return QVariant(QVariant::UInt); }
        };
        template <>
        struct construct_null_qvariant<unsigned int &>
        {
            static inline QVariant get() { return QVariant(QVariant::UInt); }
        };
        template <>
        struct construct_null_qvariant<const unsigned int>
        {
            static inline QVariant get() { return QVariant(QVariant::UInt); }
        };
        template <>
        struct construct_null_qvariant<const unsigned int &>
        {
            static inline QVariant get() { return QVariant(QVariant::UInt); }
        };

        template <>
        struct construct_null_qvariant<unsigned long>
        {
            static inline QVariant get() { return QVariant(QVariant::ULongLong); }
        };
        template <>
        struct construct_null_qvariant<unsigned long &>
        {
            static inline QVariant get() { return QVariant(QVariant::ULongLong); }
        };
        template <>
        struct construct_null_qvariant<const unsigned long>
        {
            static inline QVariant get() { return QVariant(QVariant::ULongLong); }
        };
        template <>
        struct construct_null_qvariant<const unsigned long &>
        {
            static inline QVariant get() { return QVariant(QVariant::ULongLong); }
        };

        template <>
        struct construct_null_qvariant<unsigned long long>
        {
            static inline QVariant get() { return QVariant(QVariant::ULongLong); }
        };
        template <>
        struct construct_null_qvariant<unsigned long long &>
        {
            static inline QVariant get() { return QVariant(QVariant::ULongLong); }
        };
        template <>
        struct construct_null_qvariant<const unsigned long long>
        {
            static inline QVariant get() { return QVariant(QVariant::ULongLong); }
        };
        template <>
        struct construct_null_qvariant<const unsigned long long &>
        {
            static inline QVariant get() { return QVariant(QVariant::ULongLong); }
        };

        template <>
        struct construct_null_qvariant<QString>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<QString &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const QString>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const QString &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };

        template <>
        struct construct_null_qvariant<QStringList>
        {
            static inline QVariant get() { return QVariant(QVariant::StringList); }
        };
        template <>
        struct construct_null_qvariant<QStringList &>
        {
            static inline QVariant get() { return QVariant(QVariant::StringList); }
        };
        template <>
        struct construct_null_qvariant<const QStringList>
        {
            static inline QVariant get() { return QVariant(QVariant::StringList); }
        };
        template <>
        struct construct_null_qvariant<const QStringList &>
        {
            static inline QVariant get() { return QVariant(QVariant::StringList); }
        };

        template <>
        struct construct_null_qvariant<QDate>
        {
            static inline QVariant get() { return QVariant(QVariant::Date); }
        };
        template <>
        struct construct_null_qvariant<QDate &>
        {
            static inline QVariant get() { return QVariant(QVariant::Date); }
        };
        template <>
        struct construct_null_qvariant<const QDate>
        {
            static inline QVariant get() { return QVariant(QVariant::Date); }
        };
        template <>
        struct construct_null_qvariant<const QDate &>
        {
            static inline QVariant get() { return QVariant(QVariant::Date); }
        };

        template <>
        struct construct_null_qvariant<QDateTime>
        {
            static inline QVariant get() { return QVariant(QVariant::DateTime); }
        };
        template <>
        struct construct_null_qvariant<QDateTime &>
        {
            static inline QVariant get() { return QVariant(QVariant::DateTime); }
        };
        template <>
        struct construct_null_qvariant<const QDateTime>
        {
            static inline QVariant get() { return QVariant(QVariant::DateTime); }
        };
        template <>
        struct construct_null_qvariant<const QDateTime &>
        {
            static inline QVariant get() { return QVariant(QVariant::DateTime); }
        };

        template <>
        struct construct_null_qvariant<QTime>
        {
            static inline QVariant get() { return QVariant(QVariant::Time); }
        };
        template <>
        struct construct_null_qvariant<QTime &>
        {
            static inline QVariant get() { return QVariant(QVariant::Time); }
        };
        template <>
        struct construct_null_qvariant<const QTime>
        {
            static inline QVariant get() { return QVariant(QVariant::Time); }
        };
        template <>
        struct construct_null_qvariant<const QTime &>
        {
            static inline QVariant get() { return QVariant(QVariant::Time); }
        };

        template <>
        struct construct_null_qvariant<QUuid>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<QUuid &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const QUuid>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const QUuid &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };

        template <>
        struct construct_null_qvariant<qx::QxDateNeutral>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<qx::QxDateNeutral &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const qx::QxDateNeutral>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const qx::QxDateNeutral &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };

        template <>
        struct construct_null_qvariant<qx::QxTimeNeutral>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<qx::QxTimeNeutral &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const qx::QxTimeNeutral>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const qx::QxTimeNeutral &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };

        template <>
        struct construct_null_qvariant<qx::QxDateTimeNeutral>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<qx::QxDateTimeNeutral &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const qx::QxDateTimeNeutral>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const qx::QxDateTimeNeutral &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };

        template <>
        struct construct_null_qvariant<std::string>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<std::string &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const std::string>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const std::string &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };

        template <>
        struct construct_null_qvariant<std::wstring>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<std::wstring &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const std::wstring>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };
        template <>
        struct construct_null_qvariant<const std::wstring &>
        {
            static inline QVariant get() { return QVariant(QVariant::String); }
        };

#ifdef _QX_ENABLE_QT_GUI

        template <>
        struct construct_null_qvariant<QBrush>
        {
            static inline QVariant get() { return QVariant(QVariant::Brush); }
        };
        template <>
        struct construct_null_qvariant<QBrush &>
        {
            static inline QVariant get() { return QVariant(QVariant::Brush); }
        };
        template <>
        struct construct_null_qvariant<const QBrush>
        {
            static inline QVariant get() { return QVariant(QVariant::Brush); }
        };
        template <>
        struct construct_null_qvariant<const QBrush &>
        {
            static inline QVariant get() { return QVariant(QVariant::Brush); }
        };

        template <>
        struct construct_null_qvariant<QColor>
        {
            static inline QVariant get() { return QVariant(QVariant::Color); }
        };
        template <>
        struct construct_null_qvariant<QColor &>
        {
            static inline QVariant get() { return QVariant(QVariant::Color); }
        };
        template <>
        struct construct_null_qvariant<const QColor>
        {
            static inline QVariant get() { return QVariant(QVariant::Color); }
        };
        template <>
        struct construct_null_qvariant<const QColor &>
        {
            static inline QVariant get() { return QVariant(QVariant::Color); }
        };

        template <>
        struct construct_null_qvariant<QFont>
        {
            static inline QVariant get() { return QVariant(QVariant::Font); }
        };
        template <>
        struct construct_null_qvariant<QFont &>
        {
            static inline QVariant get() { return QVariant(QVariant::Font); }
        };
        template <>
        struct construct_null_qvariant<const QFont>
        {
            static inline QVariant get() { return QVariant(QVariant::Font); }
        };
        template <>
        struct construct_null_qvariant<const QFont &>
        {
            static inline QVariant get() { return QVariant(QVariant::Font); }
        };

#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
        template <>
        struct construct_null_qvariant<QMatrix>
        {
            static inline QVariant get() { return QVariant(QVariant::Matrix); }
        };
        template <>
        struct construct_null_qvariant<QMatrix &>
        {
            static inline QVariant get() { return QVariant(QVariant::Matrix); }
        };
        template <>
        struct construct_null_qvariant<const QMatrix>
        {
            static inline QVariant get() { return QVariant(QVariant::Matrix); }
        };
        template <>
        struct construct_null_qvariant<const QMatrix &>
        {
            static inline QVariant get() { return QVariant(QVariant::Matrix); }
        };
#endif // (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))

        template <>
        struct construct_null_qvariant<QRegion>
        {
            static inline QVariant get() { return QVariant(QVariant::Region); }
        };
        template <>
        struct construct_null_qvariant<QRegion &>
        {
            static inline QVariant get() { return QVariant(QVariant::Region); }
        };
        template <>
        struct construct_null_qvariant<const QRegion>
        {
            static inline QVariant get() { return QVariant(QVariant::Region); }
        };
        template <>
        struct construct_null_qvariant<const QRegion &>
        {
            static inline QVariant get() { return QVariant(QVariant::Region); }
        };

        template <>
        struct construct_null_qvariant<QImage>
        {
            static inline QVariant get() { return QVariant(QVariant::Image); }
        };
        template <>
        struct construct_null_qvariant<QImage &>
        {
            static inline QVariant get() { return QVariant(QVariant::Image); }
        };
        template <>
        struct construct_null_qvariant<const QImage>
        {
            static inline QVariant get() { return QVariant(QVariant::Image); }
        };
        template <>
        struct construct_null_qvariant<const QImage &>
        {
            static inline QVariant get() { return QVariant(QVariant::Image); }
        };

        template <>
        struct construct_null_qvariant<QPixmap>
        {
            static inline QVariant get() { return QVariant(QVariant::Pixmap); }
        };
        template <>
        struct construct_null_qvariant<QPixmap &>
        {
            static inline QVariant get() { return QVariant(QVariant::Pixmap); }
        };
        template <>
        struct construct_null_qvariant<const QPixmap>
        {
            static inline QVariant get() { return QVariant(QVariant::Pixmap); }
        };
        template <>
        struct construct_null_qvariant<const QPixmap &>
        {
            static inline QVariant get() { return QVariant(QVariant::Pixmap); }
        };

#endif // _QX_ENABLE_QT_GUI

    } // namespace trait
} // namespace qx

#endif // _QX_CONSTRUCT_NULL_QVARIANT_H_
