DiagramList.h

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
 
#include <QColor>
#include <QDateTime>
#include <QPainterPath>
#include <QPoint>
#include <vector>
 
class SensorData;

class DiagramList
{
public:
    DiagramList();
    ~DiagramList();

    QColor getColor() const {   return _colour; }

    float height()    const { return _maxY - _minY;  }

    float minXValue() const { return _minX; }

    float maxXValue() const { return _maxX; }

    float minYValue() const { return _minY; }

    float maxYValue() const { return _maxY; }

    const QDateTime getStartDate() const { return _startDate; }

    QString getName() const { return _name; }

    bool getPath(QPainterPath &path, float scaleX, float scaleY);

    bool getPoint(QPointF &p, std::size_t i);

    QString getXLabel() const { return _xLabel; }

    QString getYLabel() const { return _yLabel; }

    QString getXUnit() const { return _xUnit; }

    QString getYUnit() const { return _yUnit; }

    static int readList(const QString &path, std::vector<DiagramList*> &list);
 
    static int readList(const SensorData* data, std::vector<DiagramList*> &list);

    void setColor(QColor c) { _colour = c; }

    void setName(QString name) { _name = name; }

    void addNextPoint(float x, float y) { _coords.emplace_back(x, y); }

    void truncateToRange(QDateTime const& start, QDateTime const& end);

    void setStartDate(QDateTime date) { _startDate = date; }

    void setXLabel(QString label) { _xLabel = label; }

    void setYLabel(QString label) { _yLabel = label; }

    void setList(std::vector<std::pair<float, float>> const& coords);

    void setList(std::vector<std::pair<QDateTime, float>> const& coords);

    void setXUnit(QString unit) { _xUnit = unit; }

    void setYUnit(QString unit) { _yUnit = unit; }

    std::size_t size() const;

    double width() const { return _maxX - _minX; }
 
private:
    float calcMinXValue();

    float calcMaxXValue();

    float calcMinYValue();

    float calcMaxYValue();

    int readLine(std::ifstream inFile, QDateTime &cDate, float &cValue);

    void update();
 
    float _maxX{0};
    float _maxY{0};
    float _minX{0};
    float _minY{0};
    std::vector< std::pair<float, float> > _coords;
    QString _name;
    QString _xLabel;
    QString _yLabel;
    QString _xUnit;
    QString _yUnit;
    QColor _colour;
    QDateTime _startDate;
};