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/****************************************************************************
*
* (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
*
* QGroundControl is licensed according to the terms in the file
* COPYING.md in the root of the source code directory.
*
****************************************************************************/
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#ifndef FactGroup_H
#define FactGroup_H
#include "Fact.h"
#include "QGCLoggingCategory.h"
#include <QStringList>
#include <QMap>
#include <QTimer>
Q_DECLARE_LOGGING_CATEGORY(VehicleLog)
/// Used to group Facts together into an object hierarachy.
class FactGroup : public QObject
{
Q_OBJECT
public:
FactGroup(int updateRateMsecs, const QString& metaDataFile, QObject* parent = NULL);
Q_PROPERTY(QStringList factNames READ factNames CONSTANT)
Q_PROPERTY(QStringList factGroupNames READ factGroupNames CONSTANT)
/// @return Fact for specified name, NULL if not found
Q_INVOKABLE Fact* getFact(const QString& name);
/// @return FactGroup for specified name, NULL if not found
Q_INVOKABLE FactGroup* getFactGroup(const QString& name);
QStringList factNames(void) const { return _nameToFactMap.keys(); }
QStringList factGroupNames(void) const { return _nameToFactGroupMap.keys(); }
protected:
void _addFact(Fact* fact, const QString& name);
void _addFactGroup(FactGroup* factGroup, const QString& name);
int _updateRateMSecs; ///< Update rate for Fact::valueChanged signals, 0: immediate update
private slots:
void _updateAllValues(void);
private:
void _loadMetaData(const QString& filename);
QMap<QString, Fact*> _nameToFactMap;
QMap<QString, FactGroup*> _nameToFactGroupMap;
QMap<QString, FactMetaData*> _nameToFactMetaDataMap;
QTimer _updateTimer;
};
#endif