70 lines
1.6 KiB
Mathematica
70 lines
1.6 KiB
Mathematica
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// YUButton.m
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// AmountKeyboard
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//
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// Created by yeyu on 16/1/26.
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// Copyright © 2016年 yeyu. All rights reserved.
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//
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#import "YUButton.h"
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@interface YUButton ()
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@property (nonatomic, strong) UIView *effectView;
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@end;
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@implementation YUButton
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- (UIView *)effectView
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{
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if (!_effectView) {
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_effectView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
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_effectView.layer.cornerRadius = self.layer.cornerRadius;
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_effectView.layer.masksToBounds = self.layer.masksToBounds;
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_effectView.userInteractionEnabled = NO;
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_effectView.backgroundColor = [UIColor blackColor];
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[self addSubview:_effectView];
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}
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return _effectView;
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}
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- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
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{
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[super touchesBegan:touches withEvent:event];
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self.effectView.alpha = 0.15;
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}
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- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event
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{
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[super touchesEnded:touches withEvent:event];
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self.effectView.alpha = 0;
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}
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- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event
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{
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[super touchesCancelled:touches withEvent:event];
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self.effectView.alpha = 0;
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}
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- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
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{
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[super touchesMoved:touches withEvent:event];
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CGPoint touchPoint = [[touches anyObject] locationInView:self];
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float x = 60;
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if (!CGRectContainsPoint(CGRectMake(-x, -x, self.frame.size.width+2*x, self.frame.size.height+2*x), touchPoint))
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{
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self.effectView.alpha = 0;
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}else {
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self.effectView.alpha = 0.15;
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}
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}
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@end
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