Re: Connecting Outlet on Derived Array Controller

2010-03-01 Thread Joanna Carter
Hi Quincey > With Objective-C 2.0, I can't think of any reason to stick with an informal > protocol. Formal protocols mean actual compile-time checking, and they rarely > blow up in your face any more. OK, so forget about informal protocols, otherwise known as categories without implementation

Re: Connecting Outlet on Derived Array Controller

2010-03-01 Thread Quincey Morris
On Mar 1, 2010, at 11:00, Joanna Carter wrote: > I have a brain the size of a planet and you still expect me to make cogent > sense of the English language? No, planet-brain wins. ;) > Can I just indulge by asking whether the protocol, in this situation, would > best be formal or informal?

Re: Connecting Outlet on Derived Array Controller

2010-03-01 Thread Joanna Carter
Hi Quincey > You want to "pass a property"? What does that mean? Never mind -- it's clear > from your second paragraph that you mean "pass a value". I'm rudely pointing > this out because using precise terms precisely is important, and you've led > yourself astray multiple times in this thread

Re: Connecting Outlet on Derived Array Controller

2010-03-01 Thread Quincey Morris
On Mar 1, 2010, at 08:48, Joanna Carter wrote: > Actually, I don't really want a "dependent" property. All I want is a way to > be able to pass a property on the main controller class to each of three > derived array controllers, so that they can use that value to set a property > on every new

Re: Connecting Outlet on Derived Array Controller

2010-03-01 Thread Joanna Carter
Hi Quincey > You need to clarify your thinking. What you want (it appears) is a KVO > derived property in a certain class -- in this case, one whose value is > dependent on a property in a different class. Actually, I don't really want a "dependent" property. All I want is a way to be able to

Re: Connecting Outlet on Derived Array Controller

2010-03-01 Thread Quincey Morris
On Mar 1, 2010, at 05:45, Joanna Carter wrote: > Does it help if I rephrase my question? > > How can I derive from an existing class and add a means of binding a property > on the derived class to a property of another object? > > It would seem, from Ken's response (and from common sense thinki

Re: Connecting Outlet on Derived Array Controller

2010-03-01 Thread Joanna Carter
Hi folks Does it help if I rephrase my question? How can I derive from an existing class and add a means of binding a property on the derived class to a property of another object? It would seem, from Ken's response (and from common sense thinking :-) ) that an outlet is not suitable as that c

Re: Connecting Outlet on Derived Array Controller

2010-03-01 Thread Joanna Carter
Hi Ken > Why do you think that? What aspect of your design leads you to that > conclusion? I have a one-to-many relationship between two classes but, with a slight twist... MasterObject 1..n DerivedDetailObject DerivedDetailObject inherits from BaseDetailObject BaseDetailObject n..1 MasterO

Re: Connecting Outlet on Derived Array Controller

2010-02-28 Thread Ken Thomases
On Feb 28, 2010, at 11:48 AM, Joanna Carter wrote: > I think I need to add an outlet to an array controller. Why do you think that? What aspect of your design leads you to that conclusion? > Thus I have created a derived class and added the outlet to the class. Normally, an outlet would be som

Connecting Outlet on Derived Array Controller

2010-02-28 Thread Joanna Carter
Hi Folks I think I need to add an outlet to an array controller. Thus I have created a derived class and added the outlet to the class. @interface AccountingPeriodArrayController : NSArrayController { } @property (nonatomic, retain) IBOutlet AccountingPeriod *accountingPeriod; @end Now, what