zuoyebang/tongxin/VC/WatchHome/View/ZZBadgeButton.m

//
//  ZZBadgeButton.m
//  zzjk
//
//  Created by 沙狐 on 2020/6/15.
//  Copyright © 2020 沙狐. All rights reserved.
//

#import "ZZBadgeButton.h"


@interface ZZBadgeButton ()

@property(nonatomic,weak) UIImageView *badgeImageView;
@property(nonatomic,weak) UILabel *badgeLabel;

@end

@implementation ZZBadgeButton

- (instancetype)init{
    self = [super init];
    if (self) {
        [self setupSubView];
    }
    return self;
}

- (void)setupSubView{
    UIImageView *badgeImageView = [[UIImageView alloc] init];
    self.badgeImageView = badgeImageView;
    [self addSubview:badgeImageView];
    
    UILabel *badgeLabel = [[UILabel alloc] init];
    badgeLabel.font = FontADA_(11);
    badgeLabel.textAlignment = NSTextAlignmentCenter;
    badgeLabel.textColor = KKWhiteColorColor;
    badgeLabel.layer.cornerRadius = Adapted(7);
    badgeLabel.layer.masksToBounds = YES;
    self.badgeLabel = badgeLabel;
    [badgeImageView addSubview:badgeLabel];
}

- (void)setBadge:(NSInteger)badge
{
    if (badge > 0)
    {
        NSString *string = (badge > 99) ? @"99+" : [NSString stringWithFormat:@"%zd", badge];
        self.badgeImageView.hidden = NO;
        self.badgeLabel.text = string;
        self.badgeLabel.backgroundColor = UIColor.redColor;
        CGFloat width = [string heightForFont:self.badgeLabel.font width:CGFLOAT_MAX];
        if (string.length > 1)
        {
            self.badgeImageView.image = [self resizedImageWithName:@"my_order_big_border"];
            self.badgeImageView.size = CGSizeMake(width + Adapted(10), Adapted(14));
        }
        else
        {
            self.badgeImageView.image = [UIImage imageNamed:@"my_order_small_border"];
            self.badgeImageView.size = CGSizeMake(Adapted(14), Adapted(14));
        }
        self.badgeLabel.size = self.badgeImageView.size;
    }
    else
    {
        self.badgeImageView.hidden = YES;
        self.badgeLabel.backgroundColor = UIColor.clearColor;
    }
}

- (void)layoutSubviews
{
    [super layoutSubviews];
    self.imageView.top = 0;
    self.imageView.centerX = self.width / 2;
    [self.titleLabel sizeToFit];
    self.titleLabel.top = self.imageView.bottom + 5;
    self.titleLabel.centerX = self.imageView.centerX;
    self.height = self.titleLabel.bottom;
    self.badgeImageView.centerY = self.imageView.top + Adapted(3);
    self.badgeImageView.centerX = self.imageView.right;
}


- (UIImage *)resizedImageWithName:(NSString *)name
{
    return [self resizedImageWithName:name left:0.5 top:0.5];
}

- (UIImage *)resizedImageWithName:(NSString *)name left:(CGFloat)left top:(CGFloat)top
{
    UIImage *image = [UIImage imageNamed:name];
    return [image stretchableImageWithLeftCapWidth:image.size.width * left topCapHeight:image.size.height * top];
}

/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/

@end