duoshoubang/FirstLink/General/FLImageTextB...

//
//  FLImageTextButton.m
//  FirstLink
//
//  Created by Lemon on 15/5/8.
//  Copyright (c) 2015年 FirstLink. All rights reserved.
//

#import "FLImageTextButton.h"

@implementation FLImageTextButton

- (id)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        self.userInteractionEnabled = YES;
        [self layoutAllCompoments];
    }
    return self;
}

#pragma mark - Properties

- (UIImageView *)imageView {
    if (!_imageView) {
        _imageView = [[UIImageView alloc] init];
    }
    return _imageView;
}

- (UILabel *)textLabel {
    if (!_textLabel) {
        _textLabel = [[UILabel alloc] init];
        _textLabel.textColor = UIColorFromRGB(0xbbbbbb);
        _textLabel.font = [UIFont systemFontOfSize:14];
        _textLabel.textAlignment = NSTextAlignmentCenter;
        _textLabel.numberOfLines = 0;
    }
    return _textLabel;
}

#pragma mark - Layout

- (void)layoutAllCompoments {
    [self addSubview:self.imageView];
    self.imageView.translatesAutoresizingMaskIntoConstraints =  NO;
    [self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"|-0-[_imageView]-0-|"
                                                                             options:0
                                                                             metrics:nil
                                                                               views:NSDictionaryOfVariableBindings(_imageView)]];
    [self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|-0-[_imageView]"
                                                                             options:0
                                                                             metrics:nil
                                                                               views:NSDictionaryOfVariableBindings(_imageView)]];
    
    [self addSubview:self.textLabel];
    self.textLabel.translatesAutoresizingMaskIntoConstraints =  NO;
    [self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"|-0-[_textLabel]-0-|"
                                                                 options:0
                                                                 metrics:nil
                                                                   views:NSDictionaryOfVariableBindings(_textLabel)]];
    [self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:[_imageView]-10-[_textLabel(16)]"
                                                                 options:0
                                                                 metrics:nil
                                                                   views:NSDictionaryOfVariableBindings(_imageView, _textLabel)]];
}

@end