From the looks of it, you have to re-create the models when you change these settings.

I went with the Binding solution in the end :)

Thanks for the feedback. I have a follow up question though. Where are QML's default role names documented? I couldn't see the list. It would save me a lot of time. EDIT Here they are: link.

@vmjafar Hi! Take a look at http://doc.qt.io/qt-5/model-view-programming.html