On 2010-10-18, at 1:47 PM, David Avendasora wrote:

> 
> On Oct 18, 2010, at 4:23 PM, David Holt wrote:
> 
>> 
>> On 2010-10-18, at 1:11 PM, David Avendasora wrote:
>> 
>>> Hi all,
>>> 
>>> I'm using ERModernD2W and ERXNavigation. I've followed Dave L's example and 
>>> setup a NavController instead of putting all the navigation methods in the 
>>> session, but even with that my NavController is getting to be huge, with 
>>> lots of repeated methods that are identical except for which entity they 
>>> are for.
>> 
>>> 
>>> What I'd like to do is create a NavController for each tab. This is simple 
>>> enough, and I can easily target the entity-specific nav controller from the 
>>> Navigation.plist by setting the action binding to 
>>> session.myEntityNavController.action but I'd like to be able to define a 
>>> nav controller delegate with a rule and just have the action binding have 
>>> the action method name in it.
>>> 
>>> For example, for tabs that are basically for doing CRUD functions on an 
>>> Entity I'd have a GenericEntityNavController superclass that has some basic 
>>> stuff in it that all entity-focused tabs will want to be able to do (query, 
>>> list, inspect, etc) then subclass it with delegates for each entity that do 
>>> entity-specific things. I would create a rule that would define which 
>>> controller to use, similar to how I can specify a pageController.
>>> 
>>> Is this possible? Can the same functionality be achieved in a different way?
>> 
>> I'd take a closer look at BugTracker Factory class. This is where navigation 
>> tab actions get triggered in BugTracker. I think you'll find that the 
>> calling of the various methods for page creation is pretty efficient. There 
>> are some nice generic methods at the top of the code. It's still large and 
>> relatively convoluted to understand, but I'm imagining the resulting code is 
>> not quite as large as using a NavigationController style class might get 
>> you. You may be able to combine some of your ideas above with the coding 
>> style in Factory.
> 
> Wow. That looks like it does pretty much what I am trying to do, I 
> think...but it makes my brain hurt.

http://sourceforge.net/mailarchive/forum.php?thread_name=BB5A6915-149E-4CE6-A165-CC48A00B635D%40krank.net&forum_name=wonder-disc


> It's the D2W/ERNavigation equivalent to saying "Oh, you like that addition & 
> subtraction? You should try calculus, it's even more powerful."
> 
> I think I'll go back to my huge, monolithic NavController for now. Maybe I'll 
> work up to multiplication...
> 
> Dave

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