//##################################################################################################
//
//   Custom Visualization Core library
//   Copyright (C) 2011-2013 Ceetron AS
//
//   This library may be used under the terms of either the GNU General Public License or
//   the GNU Lesser General Public License as follows:
//
//   GNU General Public License Usage
//   This library is free software: you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation, either version 3 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 General Public License at <<http://www.gnu.org/licenses/gpl.html>>
//   for more details.
//
//   GNU Lesser General Public License Usage
//   This library is free software; you can redistribute it and/or modify
//   it under the terms of the GNU Lesser General Public License as published by
//   the Free Software Foundation; either version 2.1 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 Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
//   for more details.
//
//##################################################################################################


#pragma once
#include "cafPdmUiFieldEditorHandle.h"

#include <QString>
#include <QLabel>
#include <QWidget>
#include <QPointer>
#include <QLineEdit>
#include <QGroupBox>
#include <QSlider>


namespace caf 
{

//==================================================================================================
/// 
//==================================================================================================

class PdmUiDoubleSliderEditorAttribute : public PdmUiEditorAttribute
{
public:
    PdmUiDoubleSliderEditorAttribute()
    {
        m_minimum = 0;
        m_maximum = 10;
        m_decimals = 6;
        m_sliderTickCount = 2000;
    }

public:
    double  m_minimum;
    double  m_maximum;
    int     m_decimals;
    int     m_sliderTickCount;
};


class PdmUiDoubleSliderEditor : public PdmUiFieldEditorHandle
{
    Q_OBJECT
    CAF_PDM_UI_FIELD_EDITOR_HEADER_INIT;

public:
    PdmUiDoubleSliderEditor()          {} 
    virtual ~PdmUiDoubleSliderEditor() {} 

protected:
    virtual void        configureAndUpdateUi(const QString& uiConfigName);
    virtual QWidget*    createEditorWidget(QWidget * parent);
    virtual QWidget*    createLabelWidget(QWidget * parent);

protected slots:
    void                slotEditingFinished();
    void                slotSliderValueChanged(int value);

private:
    void                updateSliderPosition();
    void                writeValueToField();

    int                 convertToSliderValue(double value);
    double              convertFromSliderValue(int sliderValue);

private:
    QPointer<QLineEdit> m_lineEdit;
    QPointer<QSlider>   m_slider;
    QPointer<QLabel>    m_label;

    PdmUiDoubleSliderEditorAttribute m_attributes;
};


} // end namespace caf