Haven't looked at Swiz yet, but as I mentioned, I can certainly announce an event in the faultHandler and inject a listener for it in the PM.
On Fri, Jul 2, 2010 at 3:36 PM, turbo_vb <timh...@aol.com> wrote: > > > I agree, but it can; since the map knows about the PM anyway. This is where > Swiz has an advantage with the Mediate metadata. In that case the PM method > can just listens for an event; which can be dispatched on fault. > > -TH > > > --- In flexcoders@yahoogroups.com <flexcoders%40yahoogroups.com>, Richard > Rodseth <rrods...@...> wrote: > > > > The map shouldn't interact with the PM (other than building it with > > ObjectBuilder and injecting it into the view). > > I'm leaning towards a). That way it's centralized and manager properties > can > > potentially be injected into multiple presentation models. > > > > > > > > > > On Fri, Jul 2, 2010 at 1:56 PM, turbo_vb <timh...@...> wrote: > > > > > > > > > > > I usually use (b). For the error, you can call a public method in the > PM > > > from the faultHandler in the map; as one alternative. > > > > > > > > > --- In flexcoders@yahoogroups.com > > > <flexcoders%40yahoogroups.com><flexcoders% > 40yahoogroups.com>, Richard > > > > Rodseth <rrodseth@> wrote: > > > > > > > > Design question for any other Mate users out there. Will cross-post > to > > > Mate > > > > forum. > > > > > > > > I use Mate with the Manager + Presentation Model pattern. > > > > i.e. presentation model dispatches bubbling events. Mate event map > > > invokes > > > > services calls, sets result on manager. Properties are injected from > > > manager > > > > to presentation model. > > > > > > > > I find it very convenient to have a "data status" property in the > > > > presentation model for each service call, with values NOT_CURRENT, > > > LOADING, > > > > LOADED and ERROR. Then the view can display appropriate status and > > > progress > > > > indicators based on this property. > > > > > > > > One approach (a) is to have the event map set the status on the > manager > > > and > > > > have the map inject that status into the presentation model. > > > > > > > > Another (b) is to set the status in the presentation model just > before > > > > dispatching the event, and when receiving the result (i.e. in a > custom > > > > setter). > > > > > > > > I like the directness of (b), but it doesn't cover the error case > unless > > > the > > > > manager also has something like a faultevent property that also gets > > > > injected into the presentation model. > > > > > > > > A third approach (c) would use listener injectors. The map would > inject a > > > > listener into the presentation model and would announce a special > failure > > > > event. > > > > > > > > Thoughts? > > > > > > > > > > > > > > > > > >
