platform-ios/RainbowPlanet/RainbowPlanet/Modules/CommunityModule/Community/View/Cell/FeaturedTopics/FeaturedTopicsTableViewCell.swift

//
//  FeaturedTopicsTableViewCell.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2019/6/16.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
// 精选话题cell

import UIKit
import SwiftyMediator

class FeaturedTopicsTableViewCell: UITableViewCell {

    class func cellWith(tableView:UITableView,indexPath:IndexPath) -> FeaturedTopicsTableViewCell {
        let ID = "FeaturedTopicsTableViewCell"
        tableView.register(FeaturedTopicsTableViewCell.self, forCellReuseIdentifier: ID)
        let cell : FeaturedTopicsTableViewCell = tableView.dequeueReusableCell(withIdentifier: ID, for: indexPath) as! FeaturedTopicsTableViewCell
        cell.indexPath = indexPath
        return cell
    }
    
    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        setupViews()
        setupLayouts()
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    var indexPath: IndexPath? {
        didSet {
            
        }
    }
    //MRAK: - 设置View
    private func setupViews() {
        self.selectionStyle = .none
        addSubview(collectionView)
    }
    
    private func setupLayouts() {
        collectionView.snp.makeConstraints { (make) in
            make.top.left.right.bottom.equalToSuperview()
        }
    }
    
    private lazy var collectionView: UICollectionView = {
        let collectionView = UICollectionView.init(frame: CGRect.zero, collectionViewLayout: collectionViewLayout)
        collectionView.backgroundColor = kf7f8faColor
        collectionView.delegate = self;
        collectionView.dataSource = self;
        collectionView.showsVerticalScrollIndicator = false
        collectionView.showsHorizontalScrollIndicator = false
        return collectionView
    }()
    
    private lazy var collectionViewLayout: UICollectionViewFlowLayout = {
        let collectionViewLayout = UICollectionViewFlowLayout.init()
        collectionViewLayout.minimumLineSpacing = 10
        collectionViewLayout.minimumInteritemSpacing = 0
        collectionViewLayout.scrollDirection = .horizontal
        return collectionViewLayout
    }()
    
    var communityRecommendTypeDataModels: Array<CommunityRecommendTypeDataModel>? {
        didSet {
            collectionView.reloadData()
        }
    }

}

extension FeaturedTopicsTableViewCell: UICollectionViewDelegateFlowLayout,UICollectionViewDataSource {
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        
        return communityRecommendTypeDataModels?.isEmpty ?? true ? 0 : 1
    }
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return communityRecommendTypeDataModels?.isEmpty ?? true ? 0 : communityRecommendTypeDataModels?.count ?? 0
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = FeaturedTopicsCollectionViewCell.cellWith(collectionView: collectionView, indexPath: indexPath)
        cell.communityRecommendTypeDataModel = communityRecommendTypeDataModels?[indexPath.row]

        return cell
        
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        let communityRecommendTypeDataModel = communityRecommendTypeDataModels?[indexPath.row]
        Mediator.push(CommunityRouterModuleType.pushFeaturedTopics(id: communityRecommendTypeDataModel?.id ?? 0))


    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
        return CGSize(width:231, height: 163)
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {
        return UIEdgeInsets(top: 0, left: 14, bottom: 10, right: 14)
    }
    
}