duoshoubang/FirstLink/Compoments/订阅模块/我的订阅/View/FKBookTitleB...

//
//  FKBookTitleBtn.m
//  FirstLink
//
//  Created by jack on 16/4/28.
//  Copyright © 2016年 FirstLink. All rights reserved.
//

#import "FKBookTitleBtn.h"

@interface FKBookTitleBtn ()
@property (nonatomic, strong) UIImageView *arrowImgView;
@end
@implementation FKBookTitleBtn

- (instancetype)initWithFrame:(CGRect)frame{
    if (self = [super initWithFrame:frame]) {
        [self addAllSubviews];
    }
    return self;
}

- (void)addAllSubviews{
    
    [self addSubview:self.arrowImgView];
    [self addSubview:self.titleLabel];
    
    [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self).offset(- 10);
        make.centerY.equalTo(self);
    }];
    
    [self.arrowImgView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerY.equalTo(self.titleLabel);
        make.left.equalTo(self.titleLabel.mas_right).offset(5);
    }];
}

- (void)setSelected:(BOOL)selected{
    [super setSelected:selected];
    if (selected){
        self.arrowImgView.transform = CGAffineTransformMakeRotation(M_PI);
    }else{
        self.arrowImgView.transform = CGAffineTransformIdentity;
    }
}

- (UIImageView *)arrowImgView{
    if (_arrowImgView == nil) {
        _arrowImgView = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"book_red_arrow"]];
    }
    return _arrowImgView;
}

- (UILabel *)titleLabel{
    if (_titleLabel == nil) {
        _titleLabel = [[UILabel alloc]init];
        _titleLabel.textColor = UIColorFromRGB(0x4a4a4a);
        _titleLabel.font = [UIFont systemFontOfSize:18];
        _titleLabel.text = @"我的订阅";
    }
    return _titleLabel;
}
@end