CURA-4870 Start showing the list of printers separating between local

and networked priters.

resources/qml/Menus/LocalPrinterMenu.qml

@@ -0,0 +1,26 @@
+// Copyright (c) 2018 Ultimaker B.V.
+// Cura is released under the terms of the LGPLv3 or higher.
+
+import QtQuick 2.2
+import QtQuick.Controls 1.4
+
+import UM 1.2 as UM
+import Cura 1.0 as Cura
+
+Instantiator
+{
+    model: UM.ContainerStacksModel
+    {
+        filter: {"type": "machine", "um_network_key": null}
+    }
+    MenuItem
+    {
+        text: model.name;
+        checkable: true;
+        checked: Cura.MachineManager.activeMachineId == model.id
+        exclusiveGroup: group;
+        onTriggered: Cura.MachineManager.setActiveMachine(model.id);
+    }
+    onObjectAdded: menu.insertItem(index, object)
+    onObjectRemoved: menu.removeItem(object)
+}