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//
// UIActionSheet+Blocks.m
// Shibui
//
// Created by Jiva DeVoe on 1/5/11.
// Copyright 2011 Random Ideas, LLC. All rights reserved.
//
#import "UIActionSheet+Blocks.h"
#import <objc/runtime.h>
static NSString *RI_BUTTON_ASS_KEY = @"com.random-ideas.BUTTONS";
static NSString *RI_DISMISSAL_ACTION_KEY = @"com.random-ideas.DISMISSAL_ACTION";
@implementation UIActionSheet (Blocks)
-(id)initWithTitle:(NSString *)inTitle cancelButtonItem:(RIButtonItem *)inCancelButtonItem destructiveButtonItem:(RIButtonItem *)inDestructiveItem otherButtonItems:(RIButtonItem *)inOtherButtonItems, ...
{
if((self = [self initWithTitle:inTitle delegate:self cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil]))
{
NSMutableArray *buttonsArray = [NSMutableArray array];
RIButtonItem *eachItem;
va_list argumentList;
if (inOtherButtonItems)
{
[buttonsArray addObject: inOtherButtonItems];
va_start(argumentList, inOtherButtonItems);
while((eachItem = va_arg(argumentList, RIButtonItem *)))
{
[buttonsArray addObject: eachItem];
}
va_end(argumentList);
}
for(RIButtonItem *item in buttonsArray)
{
[self addButtonWithTitle:item.label];
}
if(inDestructiveItem)
{
[buttonsArray addObject:inDestructiveItem];
NSInteger destIndex = [self addButtonWithTitle:inDestructiveItem.label];
[self setDestructiveButtonIndex:destIndex];
}
if(inCancelButtonItem)
{
[buttonsArray addObject:inCancelButtonItem];
NSInteger cancelIndex = [self addButtonWithTitle:inCancelButtonItem.label];
[self setCancelButtonIndex:cancelIndex];
}
objc_setAssociatedObject(self, (__bridge const void *)RI_BUTTON_ASS_KEY, buttonsArray, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
return self;
}
- (NSInteger)addButtonItem:(RIButtonItem *)item
{
NSMutableArray *buttonsArray = objc_getAssociatedObject(self, (__bridge const void *)RI_BUTTON_ASS_KEY);
NSInteger buttonIndex = [self addButtonWithTitle:item.label];
[buttonsArray addObject:item];
return buttonIndex;
}
- (void)setDismissalAction:(void(^)())dismissalAction
{
objc_setAssociatedObject(self, (__bridge const void *)RI_DISMISSAL_ACTION_KEY, nil, OBJC_ASSOCIATION_COPY);
objc_setAssociatedObject(self, (__bridge const void *)RI_DISMISSAL_ACTION_KEY, dismissalAction, OBJC_ASSOCIATION_COPY);
}
- (void(^)())dismissalAction
{
return objc_getAssociatedObject(self, (__bridge const void *)RI_DISMISSAL_ACTION_KEY);
}
- (void)actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger)buttonIndex
{
// Action sheets pass back -1 when they're cleared for some reason other than a button being
// pressed.
if (buttonIndex >= 0)
{
NSArray *buttonsArray = objc_getAssociatedObject(self, (__bridge const void *)RI_BUTTON_ASS_KEY);
RIButtonItem *item = [buttonsArray objectAtIndex:buttonIndex];
if(item.action)
item.action();
}
if (self.dismissalAction) self.dismissalAction();
objc_setAssociatedObject(self, (__bridge const void *)RI_BUTTON_ASS_KEY, nil, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
objc_setAssociatedObject(self, (__bridge const void *)RI_DISMISSAL_ACTION_KEY, nil, OBJC_ASSOCIATION_COPY);
}
@end