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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.
*
****************************************************************************/
#include "FactGroup.h"
#include "JsonHelper.h"
#include <QJsonDocument>
#include <QJsonParseError>
#include <QJsonArray>
#include <QDebug>
#include <QFile>
#include <QQmlEngine>
QGC_LOGGING_CATEGORY(FactGroupLog, "FactGroupLog")
FactGroup::FactGroup(int updateRateMsecs, const QString& metaDataFile, QObject* parent)
: QObject(parent)
, _updateRateMSecs(updateRateMsecs)
{
if (_updateRateMSecs > 0) {
connect(&_updateTimer, &QTimer::timeout, this, &FactGroup::_updateAllValues);
_updateTimer.setSingleShot(false);
_updateTimer.start(_updateRateMSecs);
}
_loadMetaData(metaDataFile);
}
Fact* FactGroup::getFact(const QString& name)
{
Fact* fact = NULL;
if (name.contains(".")) {
QStringList parts = name.split(".");
if (parts.count() != 2) {
qWarning() << "Only single level of hierarchy supported";
return NULL;
}
FactGroup * factGroup = getFactGroup(parts[0]);
if (!factGroup) {
qWarning() << "Unknown FactGroup" << parts[0];
return NULL;
}
return factGroup->getFact(parts[1]);
}
if (_nameToFactMap.contains(name)) {
fact = _nameToFactMap[name];
QQmlEngine::setObjectOwnership(fact, QQmlEngine::CppOwnership);
} else {
qWarning() << "Unknown Fact" << name;
}
return fact;
}
FactGroup* FactGroup::getFactGroup(const QString& name)
{
FactGroup* factGroup = NULL;
if (_nameToFactGroupMap.contains(name)) {
factGroup = _nameToFactGroupMap[name];
QQmlEngine::setObjectOwnership(factGroup, QQmlEngine::CppOwnership);
} else {
qWarning() << "Unknown FactGroup" << name;
}
return factGroup;
}
void FactGroup::_addFact(Fact* fact, const QString& name)
{
if (_nameToFactMap.contains(name)) {
qWarning() << "Duplicate Fact" << name;
return;
}
fact->setSendValueChangedSignals(_updateRateMSecs == 0);
if (_nameToFactMetaDataMap.contains(name)) {
fact->setMetaData(_nameToFactMetaDataMap[name]);
}
_nameToFactMap[name] = fact;
}
void FactGroup::_addFactGroup(FactGroup* factGroup, const QString& name)
{
if (_nameToFactGroupMap.contains(name)) {
qWarning() << "Duplicate FactGroup" << name;
return;
}
_nameToFactGroupMap[name] = factGroup;
}
void FactGroup::_updateAllValues(void)
{
foreach(Fact* fact, _nameToFactMap) {
fact->sendDeferredValueChangedSignal();
}
}
void FactGroup::_loadMetaData(const QString& jsonFilename)
{
_nameToFactMetaDataMap = FactMetaData::createMapFromJsonFile(jsonFilename, this);
}