JSJP_Student/jiaPei/STButton.m

//
//  STButton.m
//  test12
//
//  Created by apple on 15/11/14.
//  Copyright (c) 2015年 JCZ. All rights reserved.
//

#import "STButton.h"
#import <UIKit/UIKit.h>

@interface STButton()
{
    UILabel* subLable;
}
@end

@implementation STButton

-(instancetype)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        [self setTitleColor:contentTextColor forState:UIControlStateNormal];
        [self.titleLabel setTextAlignment:NSTextAlignmentCenter];
        [self.imageView setContentMode:UIViewContentModeScaleAspectFit];
        self.titleLabel.numberOfLines = 0;
    }
    return self;
}

/**
 这里Y有2中，一种是wid较大的。一种是hei较大的。
 加入title占比。4.
 现在的问题是，当图片小时，Y差距过大。
 
 [lastBtn setContentHorizontalAlignment:UIControlContentHorizontalAlignmentLeft];
 [lastBtn setContentVerticalAlignment:UIControlContentVerticalAlignmentTop];
 
 */

/**其实有三种button。普通的。导航栏的。有子标题的。
 */
-(CGRect)imageRectForContentRect:(CGRect)contentRect
{
    CGFloat hei = self.frame.size.height;
    CGFloat wid = self.frame.size.width;
    CGFloat len = hei < wid ? hei:wid;
    CGFloat ivWH = len*.45;
    if (_style == 1) {
        
        return CGRectMake( (wid - ivWH)/2, hei*.1, ivWH, ivWH);
    }
    if (_style == 2) {
        return CGRectMake( 0, hei* .1, wid,hei* .6);
    }
    if (hei < wid && hei > 50) {
        ivWH = len* .3;
        return CGRectMake( (wid - ivWH)/2, hei*.2, ivWH, ivWH);
    }
    return CGRectMake( (wid - ivWH)/2, (hei - len)/2, ivWH, ivWH);
}

-(CGRect)titleRectForContentRect:(CGRect)contentRect
{
    CGFloat hei = self.frame.size.height;
    CGFloat wid = self.frame.size.width;
    CGFloat len = hei < wid ? hei:wid;
    if (1 == _style) {
        return CGRectMake( 0, len * .6, wid, len*.25);
    }
    if (2 == _style) {
        return CGRectMake( 0, hei*.75, wid, hei*.25);
    }
    return CGRectMake( 0, (hei - len)/2 + len*.5, wid, len*.3);
//    return CGRectMake( 0, (hei - len)/2 + len*.6, wid, len*.2);
}

-(void)setSubTitle:(NSString *)subTitle
{
    CGFloat hei = self.frame.size.height;
    CGFloat wid = self.frame.size.width;
    CGFloat len = hei < wid ? hei:wid;
    UILabel* label = [[UILabel alloc] init];
    
	[label setFrame:CGRectMake( 0, (hei - len)/2 + len*.8, wid, len*.2)];
    [label setTextAlignment:NSTextAlignmentCenter];
    [label setTextColor: contentTextColor];
    [label setText:subTitle];
    [self addSubview:label];
    
    if (self.titleLabel.font) {
        [label setFont:self.titleLabel.font];
    }else{
        [label setFont:[UIFont scaleSize:14]];
    }
    subLable = label;
}

- (void)setSubTitle:(NSString *)subTitle Font:(CGFloat)ft color:(UIColor *)col {
    [self setSubTitle:subTitle];
    [subLable setFont:[UIFont scaleSize:ft]];
    [subLable setTextColor:col];
}

@end