erpsuiteios/RedAnt ERP Mobile/common/sort/SortButton.m

//
//  SortButton.m
//  iSales-NPD
//
//  Created by Jack on 16/9/6.
//  Copyright © 2016年 United Software Applications, Inc. All rights reserved.
//

#import "SortButton.h"

@implementation SortButton

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        [self addSubview:self.titleLabel];
        [self addSubview:self.imageView];
    }
    return self;
}

+ (SortButton*)sortButtonWithHeight:(CGFloat)height {
    SortButton *btn = [[SortButton alloc] initWithFrame:CGRectMake(10, 0, 85, height)];
    
    return btn;
}

- (UILabel *)titleLabel {
    if (!_titleLabel) {
        CGSize size = [self string:@"sort by" sizeWithSize:CGSizeMake(60, 22) font:[UIFont systemFontOfSize:17]];
        CGFloat h = CGRectGetHeight(self.bounds);
        _titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, (h - size.height) / 2, size.width, size.height)];
        _titleLabel.font = [UIFont systemFontOfSize:17];
        _titleLabel.textColor = [UIColor blackColor];
        _titleLabel.text = @"Sort By";
        [_titleLabel sizeToFit];
        
    }
    return _titleLabel;
}

- (UIImageView *)imageView {
    if (!_imageView) {
        CGFloat h = CGRectGetHeight(self.bounds);
        CGFloat x = CGRectGetMaxX(self.titleLabel.frame) + 5;
        CGFloat y = (h - 22) / 2;
        
        _imageView = [[UIImageView alloc] initWithFrame:CGRectMake(x, y, 22, 22)];
        _imageView.image = [UIImage imageNamed:@"DX_22"];
        
        _imageView.userInteractionEnabled = YES;
        
        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(clickImageView:)];
        [_imageView addGestureRecognizer:tap];
    }
    return _imageView;
}

-(CGSize)string:(NSString *)string sizeWithSize:(CGSize)size font:(UIFont *)font{
    if (!font) {
        font = [UIFont systemFontOfSize:15.0f];
    }
    NSDictionary *attribute = @{NSFontAttributeName: font};
    
    CGSize resSize = [string boundingRectWithSize:size
                                        options:(NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading)
                                     attributes:attribute
                                        context:nil].size;
    
    return resSize;
}

- (void)clickImageView:(id)recognizer {
    [self sendActionsForControlEvents:UIControlEventTouchUpInside];
}

@end