SwiftProject/MvpGoods/首页/View/YMTodayGroup...

//
//  YMTodayGroupCollectionCell.swift
//  MvpGoods
//
//  Created by 小花 on 2019/4/10.
//  Copyright © 2019 MVP. All rights reserved.
//

import UIKit

class YMTodayGroupCollectionCell: UICollectionViewCell {
    
    typealias ClickClosure = (_ model: YMMainGoodModel) -> Void
    var clickClosure: ClickClosure?
    
    let GoodIdentifier: String = "GoodIdentifier"
    
    var collection: UICollectionView?
    var dataArr: [YMMainGoodModel]?
    var bgImgView: UIImageView!
    
    convenience required init?(coder aDecoder: NSCoder) {
        self.init()
    }
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        self.backgroundColor = UIColor.clear
        configSubViews()
    }
    
    func configSubViews() {
        
        bgImgView = UIImageView(frame: self.bounds)
        bgImgView.contentMode = .scaleAspectFill
        self.bgImgView.backgroundColor = UIColor.white
        self.addSubview(self.bgImgView)
        
        
        let layout = UICollectionViewFlowLayout()
        layout.scrollDirection = .horizontal
        let collectionView = UICollectionView(frame: CGRect(x: 0, y: fitSize(x: 40), width: self.width, height: fitSize(x: 165)), collectionViewLayout:layout)
        collectionView.delegate = self
        collectionView.dataSource = self
        collectionView.showsHorizontalScrollIndicator = false
        collectionView.backgroundColor = UIColor.clear
        collectionView.register(YMGroupChildCollectionCell.self, forCellWithReuseIdentifier: GoodIdentifier)
        self.addSubview(collectionView)
        self.collection = collectionView
    }
    
    var model: YMTodayGoodModel? {
        didSet {
            dataArr = model?.goodsList
            self.collection?.reloadData()
            bgImgView.setFadeImage(with: model?.adv_background_img)
        }
    }
    
    
}




extension YMTodayGroupCollectionCell: UICollectionViewDelegate, UICollectionViewDataSource,UICollectionViewDelegateFlowLayout {
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return self.dataArr?.count ?? 0
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: GoodIdentifier, for: indexPath) as! YMGroupChildCollectionCell
        cell.model = dataArr?[indexPath.row]
        return cell
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {
        return UIEdgeInsetsMake(0, 10, 0, 10)
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
        return CGSize(width: fitSize(x: 115), height: fitSize(x: 160))
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat {
        return fitSize(x: 14)
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumInteritemSpacingForSectionAt section: Int) -> CGFloat {
        return 0
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        let model = self.dataArr?[indexPath.row]
        self.clickClosure?(model!)
    }
}