ihealth_ios/Inhealth/IHTPickerAreaCell.swift

//
//  IHTPickerAreaCell.swift
//  Inhealth
//
//  Created by weclouds on 2020/3/17.
//  Copyright © 2020 weclouds. All rights reserved.
//
//如果啥都没做，就点击保存？？？
//如果啥都没做
import UIKit

protocol IHTPickerAreaCellDelegate : NSObjectProtocol{
    func selectedCity(_ indexPath :IndexPath) 
}
class IHTPickerAreaCell: UITableViewCell {
    var cityCallback:((DropDownData)->Void)?
    var cityList :[DropDownData]?{
        didSet{
            if let citylist = self.cityList {
                if citylist.count > 0 {
                    self.scrollView?.removeSubviews()
                    self.scrollView?.addSubview(buttonView)
                    self.buttonView.frame = CGRect(x: 10, y: 0, width: KSCREENWIDTH - 20, height: culAreaCellHeight(citylist.count))
                    self.scrollView?.contentSize = CGSize(width: 0, height: culAreaCellHeight(citylist.count))
                    self.buttonView.reloadData()
                }
            }
        }
    }
 
    lazy var buttonView: IHButtonView = {
        let buttonView = IHButtonView()
        buttonView.delegate = self
        return buttonView
    }()
    
    var scrollView:UIScrollView?
    override func awakeFromNib() {
        super.awakeFromNib()
        scrollView = UIScrollView()
        self.contentView.addSubview(scrollView!)
    }

    override func setSelected(_ selected: Bool, animated: Bool) {
        super.setSelected(selected, animated: animated)  
    }
    
    override func layoutSubviews() {
        super.layoutSubviews()
        self.scrollView?.frame = self.bounds
    }
    //这里只处理大于0的情况 小于零不创建
    func culAreaCellHeight(_ cityCount: Int) ->CGFloat  {
           //计算行数
        let row : Int = cityCount / 4
        let contentViewHight = 30 * (row + 1) + 10 + 10 + 10 * row
        return CGFloat(contentViewHight)
     
    }
}

extension IHTPickerAreaCell:IHButtonViewDelegate{
    func numberofItem(in buttonView: IHButtonView) -> Int {
        return self.cityList?.count ?? 0
    }
    
    func buttonView(_ buttonView: IHButtonView, titleFor item: Int) -> String {
        return self.cityList![item].name!
    }
    
    
    func buttonView(_ buttonView: IHButtonView, didSelected item: Int) {
        log.debug(self.cityList![item].name!)
        let city = self.cityList![item]
        Intermediate.cityId = city.id!
        Intermediate.cityName = city.name!
        if let block = self.cityCallback {
            block(self.cityList![item])
            
        }
    }
    
    
}