Re: Core data model, bindings advice.

2008-05-15 Thread Steven Hamilton
Hmm, now I've done a bit more research (my heads puggled with it all ;) ) I believe none of those options are appropriate. Taking a more basic look at the issue the solution appears quite simple. I have an entity that contains data. I have a table that needs to display that data in a

Re: Core data model, bindings advice.

2008-05-14 Thread Steven Huey
Steven, On May 13, 2008, at 5:12 AM, Steven Hamilton wrote: How would I best handle translating the data from the entity model to the view model? I see two options; 1) Munge around with Valuetransformers. If toAccount = selected account then credit = amount, debit = blank, opposite if

Re: Core data model, bindings advice.

2008-05-13 Thread Steven Hamilton
I think I haven't explained myself properly. I already have the bindings worked out much as you have below however I can't achieve the functionality I'm after using the standard method. If my transaction entity has; memo (string) date (date) amount (NSNumber) fromAccount (reverse of debit)

re: Core data model, bindings advice.

2008-05-13 Thread Ben Trumbull
I must admit the bindings for this are really playing with my head. I struggled quite immensely getting the selection from the treecontroller and in the end it started working without me fully understanding why. I have further complications to come as I have the decide whether the transaction

Core data model, bindings advice.

2008-05-12 Thread Steven Hamilton
Hi folks, Continuing my learning into Cocoa I'm developing a personal finance application. An admirable project I believe since none available suit my purposes and it always pays to have a project that one would use to learn from. I have a simple core data model consisting of

Re: Core data model, bindings advice.

2008-05-12 Thread Steven Huey
Steven, In my app I have a similar setup, although without the detail view. I have the Table Column of my NSOutlineView bound to a NSTreeController using the Controller Key arrangedObjects and the Model Key Path set to the name of a method in the custom NSManagedObject subclass that my