SwiftProject/MvpGoods/首页/View/YMTodayRecom...

//
//  YMTodayRecomCell.swift
//  MvpGoods
//
//  Created by 小花 on 2019/4/11.
//  Copyright © 2019 MVP. All rights reserved.
//

import UIKit

protocol YMTodayRecomCellDelegate: NSObjectProtocol {
    
    func didSelectedItem(index: Int,model: YMMainGoodModel)
}

class YMTodayRecomCell: UICollectionViewCell {
    
    weak var delegate: YMTodayRecomCellDelegate!
    
    var cellID = "cellId"
    
    var collection: UICollectionView?
    var dataArr: [YMMainGoodModel]?
    
    required init?(coder aDecoder: NSCoder) {
        self.init()
    }
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        configSubViews()
    }
    
    func configSubViews() {
        
        let bg = UIImageView(frame: CGRect(x: 5, y: 5, width: SCREENW-10, height: fitSize(x: 129)))
        bg.backgroundColor = UIColor.gloadRedColor()
        bg.isUserInteractionEnabled = true
        bg.layer.cornerRadius = 5;
        self.addSubview(bg)
        
        let titleLb = UILabel(frame: CGRect(x: 19, y: fitSize(x: 7), width: 100, height: fitSize(x: 24)))
        titleLb.textColor = UIColor.white
        titleLb.font = UIFont.systemFont(ofSize: fitSize(x: 17))
        titleLb.text = "猜你喜欢"
        bg.addSubview(titleLb)
        
        let layout = UICollectionViewFlowLayout()
        layout.scrollDirection = .horizontal
        layout.itemSize = CGSize(width: fitSize(x: 118), height: fitSize(x: 187))
        layout.minimumLineSpacing = 10
        layout.minimumInteritemSpacing = 0
        
        let collectionView = UICollectionView(frame: CGRect(x: 0, y: fitSize(x: 38), width: self.width, height: fitSize(x: 190)), collectionViewLayout:layout)
        collectionView.delegate = self
        collectionView.dataSource = self
        collectionView.showsHorizontalScrollIndicator = false
        collectionView.backgroundColor = UIColor.clear
        collectionView.register(YMGroupChildCollectionCell.self, forCellWithReuseIdentifier: cellID)
        self.addSubview(collectionView)
        self.collection = collectionView
    }
    
    public func setDataArray(dataArr: [YMMainGoodModel]) {
        self.dataArr = dataArr
        self.collection?.reloadData()
    }
    
}


extension YMTodayRecomCell: 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: cellID, for: indexPath) as! YMGroupChildCollectionCell
        cell.model = self.dataArr?[indexPath.row]
        cell.imgView.layer.cornerRadius = fitSize(x: 118/2)
        cell.imgView.layer.masksToBounds = true
        cell.titleLabel.numberOfLines = 2
        cell.titleLabel.font = UIFont.systemFont(ofSize: 12)
        return cell
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {
        return UIEdgeInsetsMake(0, 10, 0, 20)
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        let model = self.dataArr?[indexPath.row]
        if (self.delegate != nil) {
            self.delegate?.didSelectedItem(index: indexPath.row, model: model!)
        }
    }
    
}