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#include "globalsettings.h"
#include <QFileInfo>
#include <QSettings>
#include <QtDebug>
/***********************************************************************************************************
* GlobalSettings
* Singleton class to be used from anywhere to allow global access to any configuration values
* Also handles reading and writing of files using QSettings API to allow for standardized file formats
************************************************************************************************************/
//initialization of static instance variable
GlobalSettings* GlobalSettings::m_instance = NULL;
//private constructor so class must be instantiated through getInstance function
GlobalSettings::GlobalSettings()
{
}
GlobalSettings::~GlobalSettings()
{
}
//FUNCTION: getInstance()
//
// Checks to see if static instance member variable points to anything,
// if not, creates instance of settings class, loads the data from a file,
// then returns the pointer to the instance
GlobalSettings* GlobalSettings::getInstance()
{
if(m_instance == NULL)
{
m_instance = new GlobalSettings;
m_instance->load();
}
return m_instance;
}
//FUNCTION: save()
//
// Uses standard QSettings Qt API to store the settings in a file that is easily
// user editable.
bool GlobalSettings::save()
{
QSettings settingsObject("ti", "thermostat");
settingsObject.setValue("proxy-host", proxyHost());
settingsObject.setValue("proxy-port", proxyPort());
settingsObject.setValue("current-city", currentCity());
settingsObject.setValue("temperature-format", temperatureFormat());
settingsObject.setValue("time-format", timeFormat());
if(settingsObject.status() == QSettings::NoError)
return true;
else
return false;
}
//FUNCTION: load()
//
// Uses QSettings API to load config values from a previously written file and also can set default values if
// no configuration file is present
bool GlobalSettings::load()
{
QSettings settingsObject("ti", "thermostat");
setProxyInfo(settingsObject.value("proxy-host", "").toString(), settingsObject.value("proxy-port", 0).toInt());
setCurrentCity(settingsObject.value("current-city", "Dallas,TX").toString());
setTemperatureFormat(static_cast<GlobalSettings::TemperatureFormat>(settingsObject.value("temperature-format", GlobalSettings::TempFormatF).toInt()));
setTimeFormat(static_cast<GlobalSettings::TimeFormat>(settingsObject.value("time-format", GlobalSettings::TimeFormat12h).toInt()));
setDataPath(QFileInfo(settingsObject.fileName()).absolutePath());
//qDebug() << "Data Path: " << dataPath();
if(settingsObject.status() == QSettings::NoError)
return true;
else
return false;
}
void GlobalSettings::setProxyInfo(QString proxyHost, qint16 proxyPort)
{
m_proxyHost = proxyHost;
m_proxyPort = proxyPort;
}
void GlobalSettings::setCurrentCity(QString currentCity)
{
m_currentCity = currentCity;
}
QString GlobalSettings::proxyHost()
{
return m_proxyHost;
}
qint16 GlobalSettings::proxyPort()
{
return m_proxyPort;
}
QString GlobalSettings::currentCity()
{
return m_currentCity;
}
void GlobalSettings::setTemperatureFormat(TemperatureFormat temperatureFormat)
{
m_temperatureFormat = temperatureFormat;
}
GlobalSettings::TemperatureFormat GlobalSettings::temperatureFormat()
{
return m_temperatureFormat;
}
void GlobalSettings::setTimeFormat(TimeFormat timeFormat)
{
m_timeFormat = timeFormat;
}
GlobalSettings::TimeFormat GlobalSettings::timeFormat()
{
return m_timeFormat;
}
void GlobalSettings::setDataPath(QString dataPath)
{
m_dataPath = dataPath;
}
QString GlobalSettings::dataPath()
{
return m_dataPath;
}
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