125 lines
3.8 KiB
C++
125 lines
3.8 KiB
C++
// SPDX-License-Identifier: LGPL-3.0-or-later
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright (C) 2013 - 2024, nymea GmbH
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* Copyright (C) 2024 - 2025, chargebyte austria GmbH
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*
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* This file is part of libnymea-app.
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*
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* libnymea-app is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3
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* of the License, or (at your option) any later version.
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*
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* libnymea-app is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libnymea-app. If not, see <https://www.gnu.org/licenses/>.
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef XYSERIESADAPTER_H
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#define XYSERIESADAPTER_H
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#include "logsmodel.h"
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#include <QObject>
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#include <QXYSeries>
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#if QT_VERSION < QT_VERSION_CHECK(6, 0 ,0)
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using namespace QtCharts;
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#endif
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class XYSeriesAdapter : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(LogsModel* logsModel READ logsModel WRITE setLogsModel NOTIFY logsModelChanged)
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Q_PROPERTY(QXYSeries* xySeries READ xySeries WRITE setXySeries NOTIFY xySeriesChanged)
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Q_PROPERTY(QXYSeries* baseSeries READ baseSeries WRITE setBaseSeries NOTIFY baseSeriesChanged)
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Q_PROPERTY(SampleRate sampleRate READ sampleRate WRITE setSampleRate NOTIFY sampleRateChanged)
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Q_PROPERTY(bool smooth READ smooth WRITE setSmooth NOTIFY smoothChanged)
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Q_PROPERTY(bool inverted READ inverted WRITE setInverted NOTIFY invertedChanged)
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Q_PROPERTY(qreal maxValue READ maxValue NOTIFY maxValueChanged)
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Q_PROPERTY(qreal minValue READ minValue NOTIFY minValueChanged)
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public:
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enum SampleRate {
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SampleRateSecond = 1,
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SampleRateMinute = 60,
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SampleRate10Minutes = 60 * 10,
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SampleRateHour = 60 * 60,
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SampleRateDays = 24 * 60 * 60
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};
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Q_ENUM(SampleRate)
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explicit XYSeriesAdapter(QObject *parent = nullptr);
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LogsModel* logsModel() const;
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void setLogsModel(LogsModel *logsModel);
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QXYSeries* xySeries() const;
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void setXySeries(QXYSeries *series);
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QXYSeries* baseSeries() const;
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void setBaseSeries(QXYSeries *series);
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SampleRate sampleRate() const;
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void setSampleRate(SampleRate sampleRate);
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bool smooth() const;
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void setSmooth(bool smooth);
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bool inverted() const;
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void setInverted(bool inverted);
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qreal maxValue() const;
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qreal minValue() const;
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Q_INVOKABLE void ensureSamples(const QDateTime &from, const QDateTime &to);
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signals:
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void xySeriesChanged();
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void logsModelChanged();
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void baseSeriesChanged();
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void sampleRateChanged();
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void smoothChanged();
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void invertedChanged();
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void maxValueChanged();
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void minValueChanged();
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private slots:
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void logEntryAdded(LogEntry *entry);
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private:
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qreal calculateSampleValue(int index);
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private:
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class Sample {
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public:
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QDateTime timestamp; // The timestamp where this sample *ends*
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QVector<LogEntry*> entries; // all log entries in this sample, that is, from timestamp - smaple size to timestamp
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LogEntry *startingPoint = nullptr; // the starting point for the sample. Normally the last entry of the previous sample
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};
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LogsModel* m_model = nullptr;
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QXYSeries* m_series = nullptr;
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QXYSeries* m_baseSeries = nullptr;
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SampleRate m_sampleRate = SampleRateSecond;
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bool m_smooth = true;
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bool m_inverted = false;
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QVector<Sample*> m_samples;
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QDateTime m_newestSample;
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QDateTime m_oldestSample;
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qreal m_maxValue = 0;
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qreal m_minValue = 0;
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};
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#endif // XYSERIESADAPTER_H
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