plotitem.h

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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 * DEALINGS IN THE SOFTWARE.
 **********************************************************************/

#pragma once

#include <memory>
#include <functional>
#include <boost/optional.hpp>
#include <QtGlobal>
#if QT_VERSION < 0x050000
#include <QDeclarativeItem>
#else
#include <QQuickPaintedItem>
#endif
#include "qmlconfig.h"

class QwtPlot;

namespace LeechCraft
{
namespace Util
{
    class UTIL_QML_API PlotItem : public QQuickPaintedItem
    {
        Q_OBJECT

        Q_PROPERTY (QList<QPointF> points READ GetPoints WRITE SetPoints NOTIFY pointsChanged)

        Q_PROPERTY (QVariant multipoints READ GetMultipoints WRITE SetMultipoints NOTIFY multipointsChanged)

        Q_PROPERTY (double minXValue READ GetMinXValue WRITE SetMinXValue NOTIFY minXValueChanged)
        Q_PROPERTY (double maxXValue READ GetMaxXValue WRITE SetMaxXValue NOTIFY maxXValueChanged)
        Q_PROPERTY (double minYValue READ GetMinYValue WRITE SetMinYValue NOTIFY minYValueChanged)
        Q_PROPERTY (double maxYValue READ GetMaxYValue WRITE SetMaxYValue NOTIFY maxYValueChanged)

        Q_PROPERTY (bool yGridEnabled READ GetYGridEnabled WRITE SetYGridEnabled NOTIFY yGridChanged)
        Q_PROPERTY (bool yMinorGridEnabled READ GetYMinorGridEnabled WRITE SetYMinorGridEnabled NOTIFY yMinorGridChanged)

        Q_PROPERTY (double alpha READ GetAlpha WRITE SetAlpha NOTIFY alphaChanged)
        Q_PROPERTY (QColor color READ GetColor WRITE SetColor NOTIFY colorChanged)
        Q_PROPERTY (bool leftAxisEnabled READ GetLeftAxisEnabled WRITE SetLeftAxisEnabled NOTIFY leftAxisEnabledChanged)
        Q_PROPERTY (bool bottomAxisEnabled READ GetBottomAxisEnabled WRITE SetBottomAxisEnabled NOTIFY bottomAxisEnabledChanged)
        Q_PROPERTY (QString leftAxisTitle READ GetLeftAxisTitle WRITE SetLeftAxisTitle NOTIFY leftAxisTitleChanged)
        Q_PROPERTY (QString bottomAxisTitle READ GetBottomAxisTitle WRITE SetBottomAxisTitle NOTIFY bottomAxisTitleChanged)

        Q_PROPERTY (QString plotTitle READ GetPlotTitle WRITE SetPlotTitle NOTIFY plotTitleChanged)

        Q_PROPERTY (QColor background READ GetBackground WRITE SetBackground NOTIFY backgroundChanged)
        Q_PROPERTY (QColor textColor READ GetTextColor WRITE SetTextColor NOTIFY textColorChanged)
        Q_PROPERTY (QColor gridLinesColor READ GetGridLinesColor WRITE SetGridLinesColor NOTIFY gridLinesColorChanged)

        Q_PROPERTY (int xExtent READ GetXExtent NOTIFY extentsChanged)
        Q_PROPERTY (int yExtent READ GetYExtent NOTIFY extentsChanged)

        QList<QPointF> Points_;

        struct PointsSet
        {
            QColor Color_;
            boost::optional<QColor> BrushColor_;
            QList<QPointF> Points_;
        };
        QList<PointsSet> Multipoints_;

        double MinXValue_ = -1;
        double MaxXValue_ = -1;
        double MinYValue_ = -1;
        double MaxYValue_ = -1;

        bool YGridEnabled_ = false;
        bool YMinorGridEnabled_ = false;

        double Alpha_ = 0.3;

        QColor Color_;

        bool LeftAxisEnabled_ = false;
        bool BottomAxisEnabled_ = false;

        QString LeftAxisTitle_;
        QString BottomAxisTitle_;

        QString PlotTitle_;

        QColor BackgroundColor_;
        QColor TextColor_;
        QColor GridLinesColor_;

        int XExtent_ = 0;
        int YExtent_ = 0;

        std::shared_ptr<QwtPlot> Plot_;
    public:
#if QT_VERSION < 0x050000
        PlotItem (QDeclarativeItem* = 0);
#else
        PlotItem (QQuickItem* = 0);
#endif

        QList<QPointF> GetPoints () const;
        void SetPoints (const QList<QPointF>&);

        QVariant GetMultipoints () const;
        void SetMultipoints (const QVariant&);

        double GetMinXValue () const;
        void SetMinXValue (double);
        double GetMaxXValue () const;
        void SetMaxXValue (double);
        double GetMinYValue () const;
        void SetMinYValue (double);
        double GetMaxYValue () const;
        void SetMaxYValue (double);

        bool GetYGridEnabled () const;
        void SetYGridEnabled (bool);
        bool GetYMinorGridEnabled () const;
        void SetYMinorGridEnabled (bool);

        double GetAlpha () const;
        void SetAlpha (double);

        QColor GetColor () const;
        void SetColor (const QColor&);

        bool GetLeftAxisEnabled () const;
        void SetLeftAxisEnabled (bool);
        bool GetBottomAxisEnabled () const;
        void SetBottomAxisEnabled (bool);

        QString GetLeftAxisTitle () const;
        void SetLeftAxisTitle (const QString&);
        QString GetBottomAxisTitle () const;
        void SetBottomAxisTitle (const QString&);

        QString GetPlotTitle () const;
        void SetPlotTitle (const QString&);

        QColor GetBackground () const;
        void SetBackground (const QColor&);
        QColor GetTextColor () const;
        void SetTextColor (const QColor&);
        QColor GetGridLinesColor () const;
        void SetGridLinesColor (const QColor&);

        int GetXExtent () const;
        int GetYExtent () const;

#if QT_VERSION < 0x050000
        void paint (QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;
#else
        void paint (QPainter*) override;
#endif
    private:
        template<typename T>
        void SetNewValue (T val, T& ourVal, const std::function<void ()>& notifier);

        int CalcXExtent (QwtPlot&) const;
        int CalcYExtent (QwtPlot&) const;
    signals:
        void pointsChanged ();
        void multipointsChanged ();

        void minXValueChanged ();
        void maxXValueChanged ();
        void minYValueChanged ();
        void maxYValueChanged ();

        void yGridChanged ();
        void yMinorGridChanged ();

        void alphaChanged ();

        void colorChanged ();

        void leftAxisEnabledChanged ();
        void bottomAxisEnabledChanged ();

        void leftAxisTitleChanged ();
        void bottomAxisTitleChanged ();

        void plotTitleChanged ();

        void backgroundChanged ();
        void textColorChanged ();
        void gridLinesColorChanged ();

        void extentsChanged ();
    };
}
}