It's nice and clean. But themain task, reload on the fly when locale is cha

It’s nice and clean. But themain task, reload on the fly when locale is changed is completely manual. And many times the message value is the result of computations when they where done, not later

I know, but I haven’t figured out a decent way of doing this without messing around with the Vaadin components themselves. Still trying to come up with a solution, though!