SettingsFact.cc

Go to the documentation of this file.

#include "SettingsFact.h"
#include "QGCApplication.h"
#include "QGCCorePlugin.h"
#include "QGCLoggingCategory.h"
#include "SettingsManager.h"
 
#include <QtCore/QSettings>
 
QGC_LOGGING_CATEGORY(SettingsFactLog, "FactSystem.SettingsFact")
 
SettingsFact::SettingsFact(QObject *parent)
    : Fact(parent)
{
    // qCDebug(SettingsFactLog) << Q_FUNC_INFO << this;
}
 
SettingsFact::SettingsFact(const QString &settingsGroup, FactMetaData *metaData, QObject *parent)
    : Fact(0, metaData->name(), metaData->type(), parent)
    , _settingsGroup(settingsGroup)
{
    // qCDebug(SettingsFactLog) << Q_FUNC_INFO << this;
    QSettings settings;
 
    if (!_settingsGroup.isEmpty()) {
        settings.beginGroup(_settingsGroup);
    }
 
    // Allow core plugin a chance to override the default value
    SettingsManager::adjustSettingMetaData(settingsGroup, *metaData, _visible);
    setMetaData(metaData);
 
    if (metaData->defaultValueAvailable()) {
        const QVariant rawDefaultValue = metaData->rawDefaultValue();
        QVariant resolvedValue;
 
        if (qgcApp()->runningUnitTests()) {
            // Don't use saved settings
            resolvedValue = rawDefaultValue;
        } else if (_visible) {
            QVariant typedValue;
            QString errorString;
            (void) metaData->convertAndValidateRaw(settings.value(_name, rawDefaultValue), true /* conertOnly */, typedValue, errorString);
            resolvedValue = typedValue;
        } else {
            // Setting is not visible, force to default value always
            // Note that we specifically do not save this back to QSettings such that a Settings Override file change is not a permanent change
            resolvedValue = rawDefaultValue;
        }
 
        QMutexLocker<QRecursiveMutex> locker(&_rawValueMutex);
        _rawValue = resolvedValue;
    }
 
    (void) connect(this, &Fact::rawValueChanged, this, &SettingsFact::_rawValueChanged);
}
 
SettingsFact::SettingsFact(const SettingsFact &other, QObject *parent)
    : Fact(other, parent)
{
    // qCDebug(SettingsFactLog) << Q_FUNC_INFO << this;
    *this = other;
}
 
SettingsFact::~SettingsFact()
{
    // qCDebug(SettingsFactLog) << Q_FUNC_INFO << this;
}
 
const SettingsFact &SettingsFact::operator=(const SettingsFact &other)
{
    Fact::operator=(other);
 
    _settingsGroup = other._settingsGroup;
 
    return *this;
}
 
void SettingsFact::_rawValueChanged(const QVariant &value)
{
    QSettings settings;
 
    if (!_settingsGroup.isEmpty()) {
        settings.beginGroup(_settingsGroup);
    }
 
    settings.setValue(_name, value);
}