Comrades:
I am working on a file-handling Cocoa app that (at this point) has a
single window. We are adding a second window (really sort of a non-
modal dialog) to do some extra processing of the target files. The
interface for the new window is already built (with IB), but is not
hooked up yet.
So, the way this started was as a AppController(ExtraCategory) thing,
with the NIB file having a single controller object. I don't like
that method, because there is a lot of data and code that would need
to be replicated in the main AppController to handle the work that
the ExtraCategory does. What I would like to do is put all the
ExtraCategory stuff into its own class, but I am not sure how. My
inclination is toward making the ExtraCategory into a
NSWindowResponder, but the documentation I have read so far makes it
look like that is more intended for document-based apps, which this
is not. Also, I don't quite see (looking at some example code) how an
extra controller is instantiated by the main app controller.
< A simplified example of the current code >
@interface AppController {
NSString* srcDir; // the original stuff
NSString destDir; // original
// there is a bunch more
NSString* srcDirForExtraCategory; // needed for new window/dialog/
category
NSString destDirForExtraCategory; // needed for new
// more stuff needed here
}
-(void)setSrc; // implemented in the .m file, of course
-(void)setDest;
@end
<and in AppController(ExtraCtegory)>
@interface AppController(ExtraCategory)
-(void)setSrcForExtraCategory; // special handling
-(void)setDestForExtraCategory; // special handling
@end
It seems funky to me that I can declare extra functions for the
ExtraCategory, but I can't add member data. I understand there is a
difference between the class/subclass and the class/category
paradigms. I guess what I am trying to do is turn this new window
category into a standalone class, instantiate it (in the NIB, I
suppose), and control its availability from the original main app
controller instance.
Any advice?
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