UIAlertView+BlockBased.h

//
//  Created by Alberto Pasca on 21/10/13.
//  Copyright (c) 2013 albertopasca.it. All rights reserved.
//

@interface UIAlertView (BlockBased)

typedef void (^SelectBlock)(int buttonIndex);
typedef void (^CancelBlock)();

+ (UIAlertView*) showAlertViewWithTitle:(NSString*) title
                                message:(NSString*) message
                      cancelButtonTitle:(NSString*) cancelButtonTitle
                      otherButtonTitles:(NSArray*) otherButtons
  														 onSelect:(SelectBlock) selected
                               onCancel:(CancelBlock) cancelled;

@end

UIAlertView+BlockBased.m

//
//  Created by Alberto Pasca on 21/10/13.
//  Copyright (c) 2013 albertopasca.it. All rights reserved.
//

@implementation UIAlertView (BlockBased)

static SelectBlock  _selectBlock;
static CancelBlock  _cancelBlock;

+ (UIAlertView*) showAlertViewWithTitle:(NSString*) title
                                message:(NSString*) message
                      cancelButtonTitle:(NSString*) cancelButtonTitle
                      otherButtonTitles:(NSArray*) otherButtons
  	  		       onSelect:(SelectBlock) selected
                               onCancel:(CancelBlock) cancelled
{
	_cancelBlock  =  [cancelled copy];
	_selectBlock  =  [selected  copy];


  UIAlertView *alert = [[UIAlertView alloc]
				initWithTitle:title
				message:message
				delegate:[self self]
				cancelButtonTitle:cancelButtonTitle
				otherButtonTitles:nil];
  
  for ( NSString *buttonTitle in otherButtons )
    [alert addButtonWithTitle:buttonTitle];
  
  [alert show];

  return alert;
}

+ (void)alertView:(UIAlertView*) alertView didDismissWithButtonIndex:(NSInteger) buttonIndex
{
  if ( buttonIndex == [alertView cancelButtonIndex] ) _cancelBlock();
  else _selectBlock (buttonIndex - 1);
}

@end