/////////////////////////////////////////////////////////////////////////////////
//
//  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 "cafPdmPointer.h"

#include "qwt_plot.h"

#include <QPointer>

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

class RiuCvfOverlayItemWidget;

class RimSummaryPlot;
class RimEnsembleCurveSet;

//==================================================================================================
//
//
//
//==================================================================================================
class RiuSummaryQwtPlot : public QwtPlot, public RiuInterfaceToViewWindow
{
    Q_OBJECT;
public:
    RiuSummaryQwtPlot(RimSummaryPlot* plotDefinition, QWidget* parent = nullptr);
    ~RiuSummaryQwtPlot() override;

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

    void                            useDateBasedTimeAxis();
    void                            useTimeBasedTimeAxis();

    void                            currentVisibleWindow(QwtInterval* leftAxis,
                                                         QwtInterval* rightAxis,
                                                         QwtInterval* timeAxis) const;

    void                            addOrUpdateEnsembleCurveSetLegend(RimEnsembleCurveSet * curveSetToShowLegendFor);
    void                            removeEnsembleCurveSetLegend(RimEnsembleCurveSet * curveSetToShowLegendFor);

    static void                     setCommonPlotBehaviour(QwtPlot* plot);
    static void                     enableDateBasedBottomXAxis(QwtPlot* plot);

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

    QSize                   sizeHint() const override;
    QSize                   minimumSizeHint() const override;
    void                    contextMenuEvent(QContextMenuEvent *) override;
    void                    updateLayout() override;

private:
    void                            setDefaults();
    void                            selectClosestCurve(const QPoint& pos);
    void                            updateEnsembleLegendLayout();

private slots:
    void                            onZoomedSlot( );
    void                            onAxisClicked(int axis, double value);

private:
    caf::PdmPointer<RimSummaryPlot> m_plotDefinition;

    QPointer<QwtPlotZoomer>         m_zoomerLeft;
    QPointer<QwtPlotZoomer>         m_zoomerRight;

    std::map< caf::PdmPointer<RimEnsembleCurveSet>, QPointer<RiuCvfOverlayItemWidget> > m_ensembleLegendWidgets;

};