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/*=====================================================================
QGroundControl Open Source Ground Control Station
(c) 2009 - 2014 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
This file is part of the QGROUNDCONTROL project
QGROUNDCONTROL is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
QGROUNDCONTROL is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
======================================================================*/
#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;
static const char* _propertiesJsonKey;
static const char* _nameJsonKey;
static const char* _decimalPlacesJsonKey;
static const char* _typeJsonKey;
static const char* _versionJsonKey;
static const char* _shortDescriptionJsonKey;
static const char* _unitsJsonKey;
static const char* _defaultValueJsonKey;
static const char* _minJsonKey;
static const char* _maxJsonKey;