/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2016-     Statoil ASA
//
//  ResInsight 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.
//
//  ResInsight 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.
//
/////////////////////////////////////////////////////////////////////////////////

#pragma once

#include "RiuInterfaceToViewWindow.h"

#include "RimRiuQwtPlotOwnerInterface.h"

#include "cafPdmPointer.h"

#include "qwt_plot.h"

#include <QPointer>

class RiuQwtPlotZoomer;

class QwtPlotCurve;
class QwtPlotGrid;
class QwtInterval;
class QwtPicker;
class QwtPlotMarker;
class QwtScaleWidget;

//==================================================================================================
//
//
//
//==================================================================================================
class RiuQwtPlot : public QwtPlot, public RiuInterfaceToViewWindow
{
    Q_OBJECT;

public:
    RiuQwtPlot( RimViewWindow* viewWindow, QWidget* parent = nullptr );
    ~RiuQwtPlot() override;

    RimRiuQwtPlotOwnerInterface* ownerPlotDefinition() const;
    RimViewWindow*               ownerViewWindow() const override;

    QwtInterval currentAxisRange( QwtPlot::Axis axis );

protected:
    bool eventFilter( QObject* watched, QEvent* event ) override;

    QSize sizeHint() const override;
    QSize minimumSizeHint() const override;

    virtual void selectSample( QwtPlotCurve* curve, int sampleNumber );
    virtual void clearSampleSelection();

    virtual void hideEvent( QHideEvent* event ) override;

private:
    void selectClosestCurve( const QPoint& pos );

    void highlightCurve( const QwtPlotCurve* closestCurve );
    void resetCurveHighlighting();
private slots:
    void onZoomedSlot();
    void onAxisClicked( int axis, double value );

private:
    struct CurveColors
    {
        QColor lineColor;
        QColor symbolColor;
        QColor symbolLineColor;
    };
    caf::PdmPointer<RimViewWindow> m_ownerViewWindow;

    QPointer<RiuQwtPlotZoomer> m_zoomerLeft;
    QPointer<RiuQwtPlotZoomer> m_zoomerRight;

    std::map<QwtPlotCurve*, CurveColors> m_originalCurveColors;
    std::map<QwtPlotCurve*, double>      m_originalZValues;
};