On 19 Dec 08, at 19:28, Ken Thomases wrote:
I think your only avenue is to implement explicit KVV methods for
your properties which have the necessary knowledge to test their
type. I suppose you could file a feature request to extend declared
properties so they can synthesize a
On 20 Dec 2008, at 8:05 pm, Andrew Farmer wrote:
However, I think you've overengineering things here. The standard
runtime introspection methods, like [NSObject class] and [NSObject
isKindOfClass:], should be more than enough to implement this sort
of functionality.
You might be right
On Sat, Dec 20, 2008 at 5:16 AM, Graham Cox graham@bigpond.com wrote:
KVV works pretty well for this - it also solves another related situation
where I can usefully convert objects to other types in some cases - but what
I still haven't quite worked out yet is how to *prevent* the situation
On 21 Dec 2008, at 4:07 am, Michael Ash wrote:
You could build a table, either manually or perhaps with the help of
some sort of crazy macro. But there is absolutely no way to get the
NSColor out of -(void)setColor:(NSColor*)c at runtime because that
info simply isn't there.
Yep, I've come
On 20 Dec 08, at 02:16, Graham Cox wrote:
On 20 Dec 2008, at 8:05 pm, Andrew Farmer wrote:
However, I think you've overengineering things here. The standard
runtime introspection methods, like [NSObject class] and [NSObject
isKindOfClass:], should be more than enough to implement this sort
In my app, I have an interface and code that allows the user to set up
different values that can be set as properties of an object. The user
is presented with a list of properties that can be set (suitably
converted for display in the UI) and then they can set up the values
of these
On Dec 19, 2008, at 6:53 PM, Graham Cox wrote:
In my app, I have an interface and code that allows the user to set
up different values that can be set as properties of an object. The
user is presented with a list of properties that can be set
(suitably converted for display in the UI) and
On 20 Dec 2008, at 2:28 pm, Ken Thomases wrote:
First of all, are you familiar with Key-Value Validation?
http://developer.apple.com/DOCUMENTATION/Cocoa/Conceptual/KeyValueCoding/Concepts/Validation.html
So I'm looking for a way to safely and reliably determine whether a
property will
