Re: [Gnumed-devel] inter-module communication

[Karsten Hilbert]

> To go back to your question regarding "initial state": the initial state of a 
> widget is usually blank, or otherwise defined in the widgets constructor. 
> When constructed, a widget simply registers it's interest in certain data 
> with the dispatcher. On notification by dispatcher, it then either queries 
> the backend directly or an abstract cache object in order to get the data to 
> update itself.
Or it does same without waiting for notification. Which only
works for the abstract cache object approach, though, since a
widget need not have a way to know which, say, patient to get
from the backend.

Karsten
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