1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
/****************************************************************************
*
* (c) 2009-2020 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)
{
_setupTimer();
_nameToFactMetaDataMap = FactMetaData::createMapFromJsonFile(metaDataFile, this);
}
FactGroup::FactGroup(int updateRateMsecs, QObject* parent)
: QObject(parent)
, _updateRateMSecs(updateRateMsecs)
{
_setupTimer();
}
void FactGroup::_loadFromJsonArray(const QJsonArray jsonArray)
{
QMap<QString, QString> defineMap;
_nameToFactMetaDataMap = FactMetaData::createMapFromJsonArray(jsonArray, defineMap, this);
}
void FactGroup::_setupTimer()
{
if (_updateRateMSecs > 0) {
connect(&_updateTimer, &QTimer::timeout, this, &FactGroup::_updateAllValues);
_updateTimer.setSingleShot(false);
_updateTimer.setInterval(_updateRateMSecs);
_updateTimer.start();
}
}
Fact* FactGroup::getFact(const QString& name)
{
if (name.contains(".")) {
QStringList parts = name.split(".");
if (parts.count() != 2) {
qWarning() << "Only single level of hierarchy supported";
return nullptr;
}
FactGroup * factGroup = getFactGroup(parts[0]);
if (!factGroup) {
qWarning() << "Unknown FactGroup" << parts[0];
return nullptr;
}
return factGroup->getFact(parts[1]);
}
Fact* fact = nullptr;
QString camelCaseName = _camelCase(name);
if (_nameToFactMap.contains(camelCaseName)) {
fact = _nameToFactMap[camelCaseName];
QQmlEngine::setObjectOwnership(fact, QQmlEngine::CppOwnership);
} else {
qWarning() << "Unknown Fact" << camelCaseName;
}
return fact;
}
FactGroup* FactGroup::getFactGroup(const QString& name)
{
FactGroup* factGroup = nullptr;
QString camelCaseName = _camelCase(name);
if (_nameToFactGroupMap.contains(camelCaseName)) {
factGroup = _nameToFactGroupMap[camelCaseName];
QQmlEngine::setObjectOwnership(factGroup, QQmlEngine::CppOwnership);
} else {
qWarning() << "Unknown FactGroup" << camelCaseName;
}
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;
_factNames.append(name);
}
void FactGroup::_addFactGroup(FactGroup* factGroup, const QString& name)
{
if (_nameToFactGroupMap.contains(name)) {
qWarning() << "Duplicate FactGroup" << name;
return;
}
_nameToFactGroupMap[name] = factGroup;
}
void FactGroup::_updateAllValues(void)
{
for(Fact* fact: _nameToFactMap) {
fact->sendDeferredValueChangedSignal();
}
}
void FactGroup::setLiveUpdates(bool liveUpdates)
{
if (_updateTimer.interval() == 0) {
return;
}
if (liveUpdates) {
_updateTimer.stop();
} else {
_updateTimer.start();
}
for(Fact* fact: _nameToFactMap) {
fact->setSendValueChangedSignals(liveUpdates);
}
}
QString FactGroup::_camelCase(const QString& text)
{
return text[0].toLower() + text.right(text.length() - 1);
}