/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Components project.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
**     the names of its contributors may be used to endorse or promote
**     products derived from this software without specific prior written
**     permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QRANGEMODEL_H
#define QRANGEMODEL_H

#include <QObject>

namespace Plasma
{

class QRangeModelPrivate;

class QRangeModel : public QObject
{
    Q_OBJECT

    Q_PROPERTY(qreal value READ value WRITE setValue NOTIFY valueChanged USER true)
    Q_PROPERTY(qreal minimumValue READ minimum WRITE setMinimum NOTIFY minimumChanged)
    Q_PROPERTY(qreal maximumValue READ maximum WRITE setMaximum NOTIFY maximumChanged)
    Q_PROPERTY(qreal stepSize READ stepSize WRITE setStepSize NOTIFY stepSizeChanged)
    Q_PROPERTY(qreal position READ position WRITE setPosition NOTIFY positionChanged)
    Q_PROPERTY(qreal positionAtMinimum READ positionAtMinimum WRITE setPositionAtMinimum NOTIFY positionAtMinimumChanged)
    Q_PROPERTY(qreal positionAtMaximum READ positionAtMaximum WRITE setPositionAtMaximum NOTIFY positionAtMaximumChanged)
    Q_PROPERTY(bool inverted READ inverted WRITE setInverted NOTIFY invertedChanged)

public:
    QRangeModel(QObject *parent = 0);
    virtual ~QRangeModel();

    void setRange(qreal min, qreal max);
    void setPositionRange(qreal min, qreal max);

    void setStepSize(qreal stepSize);
    qreal stepSize() const;

    void setMinimum(qreal min);
    qreal minimum() const;

    void setMaximum(qreal max);
    qreal maximum() const;

    void setPositionAtMinimum(qreal posAtMin);
    qreal positionAtMinimum() const;

    void setPositionAtMaximum(qreal posAtMax);
    qreal positionAtMaximum() const;

    void setInverted(bool inverted);
    bool inverted() const;

    qreal value() const;
    qreal position() const;

    Q_INVOKABLE qreal valueForPosition(qreal position) const;
    Q_INVOKABLE qreal positionForValue(qreal value) const;

public Q_SLOTS:
    void toMinimum();
    void toMaximum();
    void setValue(qreal value);
    void setPosition(qreal position);

Q_SIGNALS:
    void valueChanged(qreal value);
    void positionChanged(qreal position);

    void stepSizeChanged(qreal stepSize);

    void invertedChanged(bool inverted);

    void minimumChanged(qreal min);
    void maximumChanged(qreal max);
    void positionAtMinimumChanged(qreal min);
    void positionAtMaximumChanged(qreal max);

protected:
    QRangeModel(QRangeModelPrivate &dd, QObject *parent);
    QRangeModelPrivate* d_ptr;

private:
    Q_DISABLE_COPY(QRangeModel)
    Q_DECLARE_PRIVATE(QRangeModel)

};

} // Plasma namespace

#endif // QRANGEMODEL_H
