On Oct 18, 2010, at 4:42 PM, Trygve Inda wrote:
> So is "weapons" only defined in IB under the Array binding's model key path?
Yep, and Cocoa can automatically generate an array from it for
NSArrayController.
#import <Foundation/Foundation.h>
@interface Combatant : NSObject {
@private
id weapon1;
id weapon2;
id weapon3;
}
- (NSUInteger)countOfWeapons;
- (id)objectInWeaponsAtIndex:(NSUInteger)index;
@end
@implementation Combatant
- (id)init {
self = [super init];
if(self) {
weapon1 = [@"Nerf gun" copy];
weapon2 = [@"Super Soaker" copy];
weapon3 = [@"Rubber Band" copy];
}
return self;
}
- (void)dealloc {
[weapon1 release];
[weapon2 release];
[weapon3 release];
[super dealloc];
}
- (NSUInteger)countOfWeapons {
return 3;
}
- (id)objectInWeaponsAtIndex:(NSUInteger)index {
switch (index) {
case 0:
return weapon1;
case 1:
return weapon2;
case 2:
return weapon3;
default:
return nil;
}
}
@end
int main (int argc, const char * argv[]) {
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
Combatant *combatant = [[Combatant alloc] init];
NSLog(@"%@", [combatant valueForKey:@"weapons"]);
[combatant release];
[pool drain];
return 0;
}
-----------------------
Running this produces the following output:
2010-10-18 16:52:26.336 proptest[58175:a0f] (
"Nerf gun",
"Super Soaker",
"Rubber Band”
)
Charles_______________________________________________
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