Posted By

gerhardsletten on 10/23/10

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iphone

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Last Edited at 10/23/10 08:44am

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Generic Objective-C Delegation template

/ Published in: Objective C

Delegate is the object that are listning to Delegatior.

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//  Delegatior.h

#import <Foundation/Foundation.h>

@protocol SaveActionDelegate;

@interface Delegatior : NSObject {
	id <SaveActionDelegate> delegate;
}

@property (nonatomic, assign) id <SaveActionDelegate> delegate;

- (IBAction)cancel:(id)sender;
- (IBAction)save:(id)sender;

@end

@protocol SaveActionDelegate
- (void)delegationObject:(Delegatior *)obj didSave:(BOOL)save;
@end

//  Delegatior.m

#import "Delegatior.h"

@implementation Delegatior

@synthesize delegate;

- (IBAction)cancel:(id)sender {
	[delegate delegationObject:self didFinishWithSave:NO];
}

- (IBAction)save:(id)sender {
	[delegate delegationObject:self didFinishWithSave:YES];
}

- (void)dealloc {
    [delegate release];
    [super dealloc];
}

@end

//  Delegate.h
#import <Foundation/Foundation.h>
#import "Delegatior.h"

@interface Delegate : NSObject <SaveActionDelegate> {

}

- (void)delegationObject:(Delegatior *)obj didSave:(BOOL)save;

@end

//  Delegate.m
#import "Delegate.h"

@implementation Delegate

- (void)viewDidLoad {
	[super viewDidLoad];
	Delegatior *delegatior = [[Delegatior alloc] init];
	delegatior.delegate = self;
}

- (void)delegationObject:(Delegatior *)obj didSave:(BOOL)save {
	[self doStuff];
}

@end

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Generic Objective-C Delegation template

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