FactGroup.h

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#pragma once
 
#include <QtCore/QMap>
#include <QtCore/QStringList>
#include <QtCore/QTimer>
#include <QtQmlIntegration/QtQmlIntegration>
 
#include "Fact.h"
#include "MAVLinkMessageType.h"
 
class Vehicle;
 
class FactGroup : public QObject
{
    Q_OBJECT
    QML_ELEMENT
    QML_UNCREATABLE("")
    Q_PROPERTY(QStringList  factNames           READ factNames          NOTIFY factNamesChanged)
    Q_PROPERTY(QStringList  factGroupNames      READ factGroupNames     NOTIFY factGroupNamesChanged)
    Q_PROPERTY(bool         telemetryAvailable  READ telemetryAvailable NOTIFY telemetryAvailableChanged)   
 
public:
    explicit FactGroup(int updateRateMsecs, const QString &metaDataFile, QObject *parent = nullptr, bool ignoreCamelCase = false);
    explicit FactGroup(int updateRateMsecs, QObject *parent = nullptr, bool ignoreCamelCase = false);
    virtual ~FactGroup();
 
    Q_INVOKABLE bool factExists(const QString &name) const;
 
    Q_INVOKABLE Fact *getFact(const QString &name) const;
 
    Q_INVOKABLE FactGroup *getFactGroup(const QString &name) const;
 
    Q_INVOKABLE void setLiveUpdates(bool liveUpdates);
 
    QStringList factNames() const { return _factNames; }
    QStringList factGroupNames() const { return _nameToFactGroupMap.keys(); }
    bool telemetryAvailable() const { return _telemetryAvailable; }
    const QMap<QString, FactGroup*> &factGroups() const { return _nameToFactGroupMap; }
 
    virtual void handleMessage(Vehicle * /*vehicle*/, const mavlink_message_t & /*message*/) {}
 
signals:
    void factNamesChanged();
    void factGroupNamesChanged();
    void telemetryAvailableChanged(bool telemetryAvailable);
 
protected slots:
    virtual void _updateAllValues();
 
protected:
    void _addFact(Fact *fact, const QString &name);
    void _addFact(Fact *fact) { _addFact(fact, fact->name()); }
    void _addFactGroup(FactGroup *factGroup, const QString &name);
    void _addFactGroup(FactGroup *factGroup) { _addFactGroup(factGroup, factGroup->objectName()); }
    void _loadFromJsonArray(const QJsonArray &jsonArray);
    void _setTelemetryAvailable(bool telemetryAvailable);
 
    const int _updateRateMSecs = 0;   
 
    QMap<QString, Fact*> _nameToFactMap;
    QMap<QString, FactGroup*> _nameToFactGroupMap;
    QMap<QString, FactMetaData*> _nameToFactMetaDataMap;
    QStringList _factNames;
 
private:
    void _setupTimer();
    static QString _camelCase(const QString &text);
 
    QTimer _updateTimer;
    const bool _ignoreCamelCase = false;
    bool _telemetryAvailable = false;
};