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/* #define taken from http://ios-blog.co.uk/tutorials/cleaner-properties-implementation-in-categories/ */ |
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/* generic applicable to all objects and primitive types */ |
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#define JESynthesize(ownership, type, getter, setter) \ |
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static const void *_JESynthesizeKey_##getter = &_JESynthesizeKey_##getter; \ |
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- (type)getter \ |
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{ \ |
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return _JESynthesize_get_##ownership(type, getter); \ |
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} \ |
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- (void)setter:(type)getter \ |
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{ \ |
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_JESynthesize_set_##ownership(type, getter); \ |
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} |
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/* Specific to primitive types like BOOL, int */ |
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#define _JESynthesize_get_assign(type, getter) \ |
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({ \ |
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typeof(type) _je_value[1] = {}; \ |
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[(NSValue *)objc_getAssociatedObject(self, _JESynthesizeKey_##getter) getValue:_je_value]; \ |
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_je_value[0]; \ |
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}) |
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#define _JESynthesize_set_assign(type, getter) \ |
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objc_setAssociatedObject(self, \ |
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_JESynthesizeKey_##getter, \ |
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[[NSValue alloc] initWithBytes:&getter objCType:@encode(type)], \ |
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OBJC_ASSOCIATION_RETAIN_NONATOMIC); |
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#import "UIButton+Animation.h" |
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#import "POP/POP.h" |
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#import <objc/runtime.h> |
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@implementation UIButton (Animation) |
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JESynthesize(assign, BOOL, animateOnAppear, setAnimateOnAppear); |
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JESynthesize(assign, BOOL, animateOnTap, setAnimateOnTap); |
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-(void)awakeFromNib{ |
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if(self.animateOnAppear){ |
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[self bounce]; |
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} |
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if(self.animateOnTap){ |
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[self addTarget:self action:@selector(scaleToSmall) |
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forControlEvents:UIControlEventTouchDown | UIControlEventTouchDragEnter]; |
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[self addTarget:self action:@selector(bounce) |
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forControlEvents:UIControlEventTouchUpInside | UIControlEventTouchDragExit | UIControlEventTouchDragOutside]; |
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} |
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} |
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- (void)scaleToSmall{ |
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POPBasicAnimation *scaleAnimation = [POPBasicAnimation animationWithPropertyNamed:kPOPLayerScaleXY]; |
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scaleAnimation.toValue = [NSValue valueWithCGSize:CGSizeMake(0.95f, 0.95f)]; |
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scaleAnimation.duration = 0.1; |
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[self.layer pop_addAnimation:scaleAnimation forKey:@"layerScaleSmallAnimation"]; |
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} |
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- (void)bounce{ |
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POPSpringAnimation *scaleAnimation = [POPSpringAnimation animationWithPropertyNamed:kPOPLayerScaleXY]; |
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scaleAnimation.velocity = [NSValue valueWithCGSize:CGSizeMake(3.f, 3.f)]; |
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scaleAnimation.toValue = [NSValue valueWithCGSize:CGSizeMake(1.f, 1.f)]; |
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scaleAnimation.springBounciness = 18.0f; |
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[self.layer pop_addAnimation:scaleAnimation forKey:@"layerScaleSpringAnimation"]; |
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} |
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@end |
