Hi all,
I have a non-trivial om app which has discrete areas of functionality and I am
um'ing and arr'ing about how to structure it.
My hackathon has produced a number of fairly course grained components which
represent each "page" in the app. These components create and manage the
channels which are passed to finer grained components (e.g. trees and tables),
and update app-state in response to messages from those finer grained
components.
In a more "traditional" app I would have separate controllers for this and have
a central event bus upon which the components put messages. The fine grained
components do this but these large components act as the controllers.
I can't really see where I am going to go wrong with this approach, and having
coarse things which happen to be om/components but encapsulate a large discrete
chunk of functionality is nice.
But then I keep waking up thinking "yeah, let's get those controllers written"
and I can't decide if it is just legacy thinking pushing me or intuition which
I should pay attention to :).
To be clear, imagine I have a menu with page1, page2 and page3. In app-state I
have {:page-1 {..} :page-2 {..} :page-3 {..} :reference-data {..}}. page-1.cljs
*is* page-1 and will assemble a number of components and lay them out. It
consumes (:page-1 app-state). Same for page-2 and so on. There are no separate
controllers. The only other bit is some machinery around sente/message passing
to the server and navigation.
What lessons have you all learnt - do you have separate controllers and keep
the om/components strictly read-only?
Who handles the "branch-expanded" event when the user expands a branch in the
generic tree we have all written :)? The tree component, the top-level
containing component or a separate controller?
Thanks!
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