Added SettingsHandler class.

data/settingshandler.cpp

@@ -0,0 +1,43 @@
+#include "settingshandler.h"
+
+#include <QSettings>
+
+QVariantMap SettingsHandler::getSettings(QString group) {
+  QSettings settings;
+  QVariantMap result;
+
+  if (!group.isEmpty()) {
+    settings.beginGroup(group);
+  }
+
+  foreach (QString key, settings.allKeys()) {
+    result.insert(key, settings.value(key));
+  }
+
+  if (!group.isEmpty()) {
+    settings.endGroup();
+  }
+
+  return result;
+}
+
+void SettingsHandler::saveSettings(QVariantMap settingMap, QString group) {
+  qInfo() << "saving settings...";
+
+  QSettings settings;
+  if (!group.isEmpty()) {
+    settings.beginGroup(group);
+  }
+
+  foreach (QString key, settingMap.keys()) {
+    //    qDebug() << "saving:" << key << "-" << settingMap.value(key);
+    settings.setValue(key, settingMap.value(key));
+  }
+  if (!group.isEmpty()) {
+    settings.endGroup();
+  }
+
+  settings.sync();
+}
+
+SettingsHandler::SettingsHandler() {}