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https://github.com/kgn/bblock

Objective-c block categories and subclasses
https://github.com/kgn/bblock

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Objective-c block categories and subclasses

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##BBNSButton.h



###@interface BBNSButton : NSButton



Set the callback block to be called when the mouse **enters** the button.



```obj-c

- (void)setInCallback:(BBNSButtonCallback)block;

```



Set the callback block to be called when the mouse **exits** the button.



```obj-c

- (void)setOutCallback:(BBNSButtonCallback)block;

```



Set both the **enter* and **exit** callback blocks.



```obj-c

- (void)setInCallback:(BBNSButtonCallback)inBlock andOutCallback:(BBNSButtonCallback)outBlock;

```



##BBlock.h



###@interface BBlock : NSObject



For when you need a weak reference of an object, example: `BBlockWeakObject(obj) wobj = obj;`



For when you need a weak reference to self, example: `BBlockWeakSelf wself = self;`



Execute the block on the main thread



```obj-c

+ (void)dispatchOnMainThread:(void (^)())block;

```



Exectute the block on a background thread but in a synchronous queue



```obj-c

+ (void)dispatchOnSynchronousQueue:(void (^)())block;

```



Exectute the block on a background thread but in a synchronous queue,



This queue should only be used for writing files to disk.



```obj-c

+ (void)dispatchOnSynchronousFileQueue:(void (^)())block;

```



```obj-c

+ (void)dispatchOnDefaultPriorityConcurrentQueue:(void (^)())block;

```



```obj-c

+ (void)dispatchOnLowPriorityConcurrentQueue:(void (^)())block;

```



```obj-c

+ (void)dispatchOnHighPriorityConcurrentQueue:(void (^)())block;

```



##NSApplication+BBlock.h



###@interface NSApplication (BBlock)



```obj-c

- (void)beginSheet:(NSWindow*)sheet modalForWindow:(NSWindow*)modalWindow completionHandler:(void (^)(NSInteger returnCode))handler;

```



##NSArray+BBlock.h



###@interface NSArray(BBlock)



Enumerate each object in the array.



```obj-c

- (void)enumerateEachObjectUsingBlock:(void(^)(id obj))block;

```



Apply the block to each object in the array and return an array of resulting objects



```obj-c

- (NSArray *)arrayWithObjectsMappedWithBlock:(id(^)(id obj))block;

```



##NSButton+BBlock.h



###@interface NSButton(BBlock)



**WARNING**: This category is still in early development.

Currently the order of calling these methods is important:



1. `setImage`

2. `setAlternateBackgroundImage`

3. `setBackgroundImage`



Tries to mimic `UIButton` by exposing a method to set the background image.

The image set with `setImage` is composited on-top of the background image. 



```obj-c

- (void)setBackgroundImage:(NSImage *)backgroundImage;

```



Tries to mimic `UIButton` by exposing a method to set the alternate background image.

The image set with `setAlternateImage` is composited on-top of the alternate background image.

If no `alternateImage` is set `image` will be used instead. 



```obj-c

- (void)setAlternateBackgroundImage:(NSImage *)alternateBackgroundImage;

```



##NSDictionary+BBlock.h



###@interface NSDictionary(BBlock)



Enumerate each key and object in the dictioanry.



```obj-c

- (void)enumerateEachKeyAndObjectUsingBlock:(void(^)(id key, id obj))block;

```



```obj-c

- (void)enumerateEachSortedKeyAndObjectUsingBlock:(void(^)(id key, id obj, NSUInteger idx))block;

```



##NSImage+BBlock.h



###@interface NSImage(BBlock)



Returns a `NSImage` rendered with the drawing code in the block.

This method does not cache the image object. 



```obj-c

+ (NSImage *)imageForSize:(NSSize)size withDrawingBlock:(void(^)())drawingBlock;

```



Returns a cached `NSImage` rendered with the drawing code in the block.

The `NSImage` is cached in an `NSCache` with the identifier provided. 



```obj-c

+ (NSImage *)imageWithIdentifier:(NSString *)identifier forSize:(NSSize)size andDrawingBlock:(void(^)())drawingBlock;

```



##NSObject+BBlock.h



###@interface NSObject(BBlock)



```obj-c

- (NSString *)addObserverForKeyPath:(NSString *)keyPath options:(NSKeyValueObservingOptions)options block:(NSObjectBBlock)block;

```



```obj-c

- (void)removeObserverForToken:(NSString *)identifier;

```



##NSTimer+BBlock.h



###@interface NSTimer(BBlock)



```obj-c

+ (id)timerWithTimeInterval:(NSTimeInterval)timeInterval andBlock:(void (^)())block;

```



```obj-c

+ (id)timerRepeats:(BOOL)repeats withTimeInterval:(NSTimeInterval)timeInterval andBlock:(void (^)())block;

```



```obj-c

+ (id)scheduledTimerWithTimeInterval:(NSTimeInterval)timeInterval andBlock:(void (^)())block;

```



```obj-c

+ (id)scheduledTimerRepeats:(BOOL)repeats withTimeInterval:(NSTimeInterval)timeInterval andBlock:(void (^)())block;

```



##NSURL+BBlock.h



###@interface NSURL(BBlock)



Access a security scoped bookmark for sandboxed mac apps.



This method starts the access, runs the block, then stops the access.



```obj-c

-(void)accessSecurityScopedResourceWithBlock:(void (^)())block;

```



##NSAlert+BBlock.h



###@interface NSAlert(BBlock)



Run NSAlert as sheet for window with completion handler block.



```obj-c

-(void)beginSheetModalForWindow:(NSWindow *)window completionHandler:(void (^)(NSInteger returnCode))handler contextInfo:(void *)contextInfo;

```



##SKProductsRequest+BBlock.h



###@interface SKProductsRequest(BBlock)



Request a StoreKit response for a set of product identifiers



```obj-c

+ (id)requestWithProductIdentifiers:(NSSet *)productIdentifiers andBlock:(SKProductsRequestBBlock)block;

```



```obj-c

- (id)initWithProductIdentifiers:(NSSet *)productIdentifiers andBlock:(SKProductsRequestBBlock)block;

```



##UIActionSheet+BBlock.h



###@interface UIActionSheet(BBlock)



```obj-c

- (void)setCompletionBlock:(UIActionSheetBBlock)block;

```



```obj-c

- (id)initWithTitle:(NSString *)title cancelButtonTitle:(NSString *)cancelTitle destructiveButtonTitle:(NSString *)destructiveTitle otherButtonTitle:(NSString *)otherTitle completionBlock:(UIActionSheetBBlock)block;

```



##UIAlertView+BBlock.h



###@interface UIAlertView(BBlock)



```obj-c

- (void)setCompletionBlock:(UIAlertViewBBlock)block;

```



```obj-c

- (id)initWithTitle:(NSString *)title message:(NSString *)message cancelButtonTitle:(NSString *)cancelTitle otherButtonTitle:(NSString *)otherButtonTitle completionBlock:(UIAlertViewBBlock)block;

```



##UIButton+BBlock.h



###@interface UIButton(BBlock)



```obj-c

- (void)addActionForControlEvents:(UIControlEvents)events withBlock:(BBlockUIButtonBlock)block;

```



##UIGestureRecognizer+BBlock.h



###@interface UISwipeGestureRecognizer(BBlock)



```obj-c

- (id)initWithDirection:(UISwipeGestureRecognizerDirection)direction andBlock:(UIGestureRecognizerBBlock)block;

```



```obj-c

+ (id)gestureWithDirection:(UISwipeGestureRecognizerDirection)direction andBlock:(UIGestureRecognizerBBlock)block;

```



###@interface UIGestureRecognizer(BBlock)



```obj-c

- (id)initWithBlock:(UIGestureRecognizerBBlock)block;

```



```obj-c

+ (id)gestureWithBlock:(UIGestureRecognizerBBlock)block;

```



##UIImage+BBlock.h



###@interface UIImage(BBlock)



Returns a `UIImage` rendered with the drawing code in the block.

This method does not cache the image object. 



```obj-c

+ (UIImage *)imageForSize:(CGSize)size withDrawingBlock:(void(^)())drawingBlock;

```



```obj-c

+ (UIImage *)imageForSize:(CGSize)size opaque:(BOOL)opaque withDrawingBlock:(void(^)())drawingBlock;

```



Returns a cached `UIImage` rendered with the drawing code in the block.

The `UIImage` is cached in an `NSCache` with the identifier provided. 



```obj-c

+ (UIImage *)imageWithIdentifier:(NSString *)identifier forSize:(CGSize)size andDrawingBlock:(void(^)())drawingBlock;

```



```obj-c

+ (UIImage *)imageWithIdentifier:(NSString *)identifier opaque:(BOOL)opaque forSize:(CGSize)size andDrawingBlock:(void(^)())drawingBlock;

```