57 lines
1.5 KiB
Mathematica
57 lines
1.5 KiB
Mathematica
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//
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// UIView+BlocksKit.m
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// BlocksKit
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//
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#import "UIView+BlocksKit.h"
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#import "UIGestureRecognizer+BlocksKit.h"
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@implementation UIView (BlocksKit)
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- (void)bk_whenTouches:(NSUInteger)numberOfTouches tapped:(NSUInteger)numberOfTaps handler:(void (^)(UIGestureRecognizer *sender))block
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{
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if (!block) return;
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UITapGestureRecognizer *gesture = [UITapGestureRecognizer bk_recognizerWithHandler:^(UIGestureRecognizer *sender, UIGestureRecognizerState state, CGPoint location) {
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block(sender);
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}];
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gesture.numberOfTouchesRequired = numberOfTouches;
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gesture.numberOfTapsRequired = numberOfTaps;
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[self.gestureRecognizers enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
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if (![obj isKindOfClass:[UITapGestureRecognizer class]]) return;
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UITapGestureRecognizer *tap = obj;
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BOOL rightTouches = (tap.numberOfTouchesRequired == numberOfTouches);
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BOOL rightTaps = (tap.numberOfTapsRequired == numberOfTaps);
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if (rightTouches && rightTaps) {
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[gesture requireGestureRecognizerToFail:tap];
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}
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}];
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self.userInteractionEnabled = YES;
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[self addGestureRecognizer:gesture];
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}
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- (void)bk_whenTapped:(void (^)(UIGestureRecognizer *sender))block
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{
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[self bk_whenTouches:1 tapped:1 handler:block];
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}
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- (void)bk_whenDoubleTapped:(void (^)(UIGestureRecognizer *sender))block
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{
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[self bk_whenTouches:1 tapped:2 handler:block];
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}
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- (void)bk_eachSubview:(void (^)(UIView *subview))block
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{
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NSParameterAssert(block != nil);
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[self.subviews enumerateObjectsUsingBlock:^(UIView *subview, NSUInteger idx, BOOL *stop) {
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block(subview);
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}];
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}
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@end
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