switched from qsettings to json added editng of actors

src/items/poweritem.cpp

@@ -0,0 +1,37 @@
+#include "poweritem.h"
+#include <QProcess>
+#include <QApplication>
+
+PowerItem::PowerItem(SensorStore* sensors, QApplication* a, uint32_t itemIdIn, QString name,  uint8_t value, QObject* parent): Item(sensors, itemIdIn, name, value, parent), a_(a)
+{
+    stateChanged(Sensor(Sensor::TYPE_SHUTDOWN_IMMINENT, 0, 0));
+    setValue(true);
+}
+
+void PowerItem::setValue(uint8_t value)
+{
+    Item::setValue(value);
+    if(!value)
+    {
+       QTimer::singleShot(5000, this, &PowerItem::timeout);
+       stateChanged(Sensor(Sensor::TYPE_SHUTDOWN_IMMINENT, 0, 1));
+    }
+}
+
+void PowerItem::timeout()
+{
+    QProcess::startDetached("syncoff");
+    a_->exit(0);
+}
+
+void PowerItem::store(QJsonObject& json)
+{
+    json["Type"] = "Power";
+    Item::store(json);
+}
+
+void PowerItem::store(QString subsecton, QSettings* settings)
+{
+    settings->setValue(subsecton + "Type", "Power");
+    Item::store(subsecton, settings);
+}