nymea-app/libnymea-app/models/xyseriesadapter.h

97 lines
2.8 KiB
C++

#ifndef XYSERIESADAPTER_H
#define XYSERIESADAPTER_H
#include "logsmodel.h"
#include <QObject>
#include <QXYSeries>
class XYSeriesAdapter : public QObject
{
Q_OBJECT
Q_PROPERTY(LogsModel* logsModel READ logsModel WRITE setLogsModel NOTIFY logsModelChanged)
Q_PROPERTY(QtCharts::QXYSeries* xySeries READ xySeries WRITE setXySeries NOTIFY xySeriesChanged)
Q_PROPERTY(QtCharts::QXYSeries* baseSeries READ baseSeries WRITE setBaseSeries NOTIFY baseSeriesChanged)
Q_PROPERTY(SampleRate sampleRate READ sampleRate WRITE setSampleRate NOTIFY sampleRateChanged)
Q_PROPERTY(bool smooth READ smooth WRITE setSmooth NOTIFY smoothChanged)
Q_PROPERTY(bool inverted READ inverted WRITE setInverted NOTIFY invertedChanged)
Q_PROPERTY(qreal maxValue READ maxValue NOTIFY maxValueChanged)
Q_PROPERTY(qreal minValue READ minValue NOTIFY minValueChanged)
public:
enum SampleRate {
SampleRateSecond = 1,
SampleRateMinute = 60,
SampleRate10Minutes = 60 * 10,
SampleRateHour = 60 * 60,
SampleRateDays = 24 * 60 * 60
};
Q_ENUM(SampleRate)
explicit XYSeriesAdapter(QObject *parent = nullptr);
LogsModel* logsModel() const;
void setLogsModel(LogsModel *logsModel);
QtCharts::QXYSeries* xySeries() const;
void setXySeries(QtCharts::QXYSeries *series);
QtCharts::QXYSeries* baseSeries() const;
void setBaseSeries(QtCharts::QXYSeries *series);
SampleRate sampleRate() const;
void setSampleRate(SampleRate sampleRate);
bool smooth() const;
void setSmooth(bool smooth);
bool inverted() const;
void setInverted(bool inverted);
qreal maxValue() const;
qreal minValue() const;
Q_INVOKABLE void ensureSamples(const QDateTime &from, const QDateTime &to);
signals:
void xySeriesChanged();
void logsModelChanged();
void baseSeriesChanged();
void sampleRateChanged();
void smoothChanged();
void invertedChanged();
void maxValueChanged();
void minValueChanged();
private slots:
void logEntryAdded(LogEntry *entry);
private:
qreal calculateSampleValue(int index);
private:
class Sample {
public:
QDateTime timestamp; // The timestamp where this sample *ends*
QVector<LogEntry*> entries; // all log entries in this sample, that is, from timestamp - smaple size to timestamp
LogEntry *startingPoint = nullptr; // the starting point for the sample. Normally the last entry of the previous sample
};
LogsModel* m_model = nullptr;
QtCharts::QXYSeries* m_series = nullptr;
QtCharts::QXYSeries* m_baseSeries = nullptr;
SampleRate m_sampleRate = SampleRateSecond;
bool m_smooth = true;
bool m_inverted = false;
QVector<Sample*> m_samples;
QDateTime m_newestSample;
QDateTime m_oldestSample;
qreal m_maxValue = 0;
qreal m_minValue = 0;
};
#endif // XYSERIESADAPTER_H