自定义btn，文字在左图片在右的 效果。
//
// TitleBtn.swift
// FlowerField
//
// Created by CJW on 17/6/7.
// Copyright © 2017年 cjw. All rights reserved.
//
import UIKit
class TitleBtn: UIButton {
override init(frame: CGRect) {
super.init(frame: frame)
setTitle("主题", forState: .Normal)
setImage(UIImage(named: "hp_arrow_down"), forState: .Normal)
setImage(UIImage(named: "hp_arrow_up"), forState: .Selected)
setTitleColor(UIColor.blackColor(), forState: .Normal)
titleLabel?.font = UIFont.systemFontOfSize(15)
sizeToFit()
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func layoutSubviews() {
if imageView?.frame.origin.x < titleLabel?.frame.origin.x{
titleLabel?.frame.origin.x = imageView!.frame.origin.x
imageView?.frame.origin.x = CGRectGetMaxX((titleLabel?.frame)!) + 10
}
}
}
