ihealth_ios/Inhealth/IHAreaItem.swift

//
//  IHAreaItem.swift
//  Inhealth
//
//  Created by weclouds on 2019/12/26.
//  Copyright © 2019 weclouds. All rights reserved.
//

import UIKit

fileprivate class IHAreaItemButton: UIButton {
    override func layoutSubviews() {
        super.layoutSubviews()
        let titleLabelFrame = titleLabel?.frame
        let imageViewFrame = imageView?.frame
        let totleWidth = (titleLabelFrame?.size.width)! + (imageViewFrame?.size.width)! + 2
        titleLabel?.frame.origin.x =  ( self.frame.size.width - totleWidth ) / 2
        imageView?.frame.origin.x = (titleLabel?.frame.origin.x)! + (titleLabelFrame?.size.width)! + 2
        
    }
}

class IHAreaItem: UIView {
    var defaultDesc:String?{
        didSet{
            if let desc = self.defaultDesc {
                button.setTitle(desc, for: .normal)
            }

        }
    }
    
    var titleArray :[String]?{
        didSet{
            buttonTitle = self.titleArray?.first
        }
    }
    
    var confirmBlock:((Int)->Void)?
    
    private  var buttonTitle : String?{
        didSet{
            if let buttonTitle = self.buttonTitle {
                button.setTitle(buttonTitle, for: .normal)
            }
        }
    }
    
  private  lazy var button: IHAreaItemButton = {
        let btn = IHAreaItemButton(type: .custom)
        btn.setImage(UIImage(named: "itemxiala"), for: .normal)
        btn.setTitle("Building", for: .normal)
        btn.setTitleColor(UIColor(hexString: "333333"), for: .normal)
        btn.titleLabel?.font = UIFont(name: PingFangSC_Semibold, size: 13)
        btn.addTarget(self, action: #selector(btnClick), for: .touchUpInside)
        return btn
    }()
    override init(frame: CGRect) {
        super.init(frame: frame)
        self.backgroundColor =  UIColor(hexString: "#F6F8FA")
        
        createUI()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    @objc private func btnClick(sennder: UIButton)  {
        if self.titleArray?.count == 0 {
            g_showHUD("无数据!")
            button.setTitle("Building", for: .normal)
            return
        }
        let pick = THScrollChooseView(question: self.titleArray, withDefaultDesc:  self.defaultDesc ?? self.titleArray?.first)
        pick?.confirmBlock = {(selectedIndex) in
            log.debug(" title =  \(self.titleArray?[selectedIndex])")
            let title = self.titleArray?[selectedIndex]
            self.buttonTitle = title
            if let confirm = self.confirmBlock {
                confirm(selectedIndex)
            }
        }
    
        pick?.show()
    }
    
    func createUI()  {
        let line = UIView(frame: CGRect(x: self.width - 1, y: 8, width: 1, height: 17))
        line.backgroundColor = UIColor(hexString: "E2E2E2")
        addSubview(line)
        button.frame = CGRect(x: 0, y: 0, width: self.width - 1, height: self.height)
        addSubview(button)

    }
}