闭包：掌厨 Î 实例二 ，闭包 ＋ 属性 ，各种 传值

响应链的 运用。 闭包的 传递， 依据 响应链

应该是 三层 layer

CBRecommendView, 这是中间层

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class CBRecommendView: UIView {
    
    //点击事件
    //MARK:-   还有 这里。       1   D     闭包 的 传递
    var clickClosure: ((String?, String) -> Void)?
    

    //表格
    private var tbView: UITableView?
    
    
    //显示数据
    var model: CBRecommendModel? {
        
        didSet {
            //刷新表格
            tbView?.reloadData()
        }
    }
    
    
    init() {
        
        super.init(frame: CGRectZero)
        
        //创建表格视图
        tbView = UITableView(frame: CGRectZero, style: .Plain)
        tbView?.delegate = self
        tbView?.dataSource = self
        
        //去掉分割线
        tbView?.separatorStyle = .None
        
        addSubview(tbView!)
        
        //约束
        tbView?.snp_makeConstraints(closure: {
            [weak self]
            (make) in
            make.edges.equalTo(self!)
        })
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    
    
    

}

//MARK: UITableView代理
extension CBRecommendView: UITableViewDelegate, UITableViewDataSource {
    
    func numberOfSectionsInTableView(tableView: UITableView) -> Int {
        //广告数据显示一个分组
        var sectionNum = 1
        
        if model?.data?.widgetList?.count > 0 {
            sectionNum += (model?.data?.widgetList?.count)!
        }

        return sectionNum
    }
    
    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        
        var rowNum = 0
        
        if section == 0 {
            //广告的数据
            if model?.data?.banner?.count > 0 {
                rowNum = 1
            }
        }else{
        
            //其他的情况
            let listModel = model?.data?.widgetList![section-1]
            if listModel?.widget_type?.integerValue == WidgetType.GuessYourLike.rawValue {
                //猜你喜欢
                rowNum = 1
            }else if listModel?.widget_type?.integerValue == WidgetType.RedPackage.rawValue {
                //红包入口
                rowNum = 1
            }else if listModel?.widget_type?.integerValue == WidgetType.NewProduct.rawValue {
                //今日新品
                rowNum = 1
            }else if listModel?.widget_type?.integerValue == WidgetType.Special.rawValue {
                //早餐日记、健康100岁等
                rowNum = 1
            }else if listModel?.widget_type?.integerValue == WidgetType.Scene.rawValue {
                //全部场景
                rowNum = 1
            }else if listModel?.widget_type?.integerValue == WidgetType.Talent.rawValue {
                //推荐达人
                rowNum = (listModel?.widget_data?.count)! / 4
            }else if listModel?.widget_type?.integerValue == WidgetType.Works.rawValue {
                //精选作品
                rowNum = 1
            }else if listModel?.widget_type?.integerValue == WidgetType.Subject.rawValue {
                //专题
                rowNum = (listModel?.widget_data?.count)!/3
            }
        
        }
        
        return rowNum
    }
    
    
    func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
        
        var height: CGFloat = 0
        
        if indexPath.section == 0 {
            //广告的高度
            if model?.data?.banner?.count > 0 {
                height = 160
            }
        }else{
            
            //其他情况
            let listModel = model?.data?.widgetList![indexPath.section-1]
            if listModel?.widget_type?.integerValue == WidgetType.GuessYourLike.rawValue {
                //猜你喜欢
                height = 80
            }else if listModel?.widget_type?.integerValue == WidgetType.RedPackage.rawValue {
                //红包入口
                height = 100
            }else if listModel?.widget_type?.integerValue == WidgetType.NewProduct.rawValue {
                //今日新品
                height = 300
            }else if listModel?.widget_type?.integerValue == WidgetType.Special.rawValue {
                //早餐日记、健康100岁等
                height = 200
            }else if listModel?.widget_type?.integerValue == WidgetType.Scene.rawValue {
                //全部场景
                height = 60
            }else if listModel?.widget_type?.integerValue == WidgetType.Talent.rawValue {
                //推荐达人
                height = 80
            }else if listModel?.widget_type?.integerValue == WidgetType.Works.rawValue {
                //精选作品
                height = 240
            }else if listModel?.widget_type?.integerValue == WidgetType.Subject.rawValue {
                //专题
                height = 180
            }
        }
        
        return height
    }
    
    
    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
        
        var cell = UITableViewCell()
        
        if indexPath.section == 0 {
            //广告
            if model?.data?.banner?.count > 0 {
                cell = CBRecommendADCell.createAdCellFor(tableView, atIndexPath: indexPath, withModel: model!, cellClosure: clickClosure)
                
                
                //MARK: -  好 4    E   闭包的 传递
                
            }
        }else{
            
            //其他情况
            let listModel = model?.data?.widgetList![indexPath.section-1]
            if listModel?.widget_type?.integerValue == WidgetType.GuessYourLike.rawValue {
                //猜你喜欢
                cell = CBRecommendLikeCell.createLikeCellFor(tableView, atIndexPath: indexPath, withListModel: listModel!)
            }else if listModel?.widget_type?.integerValue == WidgetType.RedPackage.rawValue {
                //红包入口
                cell = CBRedPacketCell.createRedPackageCellFor(tableView, atIndexPath: indexPath, withListModel: listModel!)
            }else if listModel?.widget_type?.integerValue == WidgetType.NewProduct.rawValue {
                //今日新品
                cell = CBRecommendNewCell.createNewCellFor(tableView, atIndexPath: indexPath, withListModel: listModel!)
            }else if listModel?.widget_type?.integerValue == WidgetType.Special.rawValue {
                //早餐日记、健康100岁
                cell = CBSpecialCell.createSpecialCellFor(tableView, atIndexPath: indexPath, withListModel: listModel!)
            }else if listModel?.widget_type?.integerValue == WidgetType.Scene.rawValue {
                //全部场景
                cell = CBSceneCell.createSceneCellFor(tableView, atIndexPath: indexPath, withListModel: listModel!)
            }else if listModel?.widget_type?.integerValue == WidgetType.Talent.rawValue {
                //推荐达人
                cell = CBTalentCell.createTalentCellFor(tableView, atIndexPath: indexPath, withListModel: listModel!)
            }else if listModel?.widget_type?.integerValue == WidgetType.Works.rawValue {
                //精选作品
                cell = CBWorksCell.createWorksCellFor(tableView, atIndexPath: indexPath, withListModel: listModel!)
            }else if listModel?.widget_type?.integerValue == WidgetType.Subject.rawValue {
                //专题
                cell = CBSubjectCell.createSubjectCellFor(tableView, atIndexPath: indexPath, withListModel: listModel!)
            }
        }
        
        
        return cell
    }
    
    
    func tableView(tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        
        var headView: UIView? = nil
        if section > 0 {
            //其他情况
            let listModel = model?.data?.widgetList![section-1]
            if listModel?.widget_type?.integerValue == WidgetType.GuessYourLike.rawValue {
                //猜你喜欢
                headView = CBSearchHeaderView(frame: CGRectMake(0,0,kScreenWidth,44))
            }else if listModel?.widget_type?.integerValue == WidgetType.NewProduct.rawValue || listModel?.widget_type?.integerValue == WidgetType.Special.rawValue || listModel?.widget_type?.integerValue == WidgetType.Talent.rawValue || listModel?.widget_type?.integerValue == WidgetType.Works.rawValue || listModel?.widget_type?.integerValue == WidgetType.Subject.rawValue{
                //今日新品 --> NewProduct
                //早餐日记、健康100岁 -> Special
                //推荐达人 --> Talent
                //精选作品 --> Works
                //专题 --> Subject
                let tmpView = CBHeaderView(frame: CGRectMake(0,0,kScreenWidth,44))
                tmpView.configTitle((listModel?.title)!)
                headView = tmpView
            }
        }
        
        return headView
    }
    
    
    func tableView(tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        
        var height: CGFloat = 0
        if section > 0 {
            //其他情况
            let listModel = model?.data?.widgetList![section-1]
            if (listModel?.widget_type?.integerValue == WidgetType.GuessYourLike.rawValue) || (listModel?.widget_type?.integerValue == WidgetType.NewProduct.rawValue) || (listModel?.widget_type?.integerValue == WidgetType.Special.rawValue) || (listModel?.widget_type?.integerValue == WidgetType.Talent.rawValue || (listModel?.widget_type?.integerValue == WidgetType.Works.rawValue) || (listModel?.widget_type?.integerValue == WidgetType.Subject.rawValue)) {
                //猜你喜欢 -- GuessYourLike
                //今日新品 -- NewProduct
                //早餐日记、健康100岁 -- Special
                //推荐达人 -- Talent
                //精选作品 -- Works
                //专题 -- Subject
                height = 44
            }
        }
        
        return height
    }
    
    //去掉粘滞性
    func scrollViewDidScroll(scrollView: UIScrollView) {
        let h: CGFloat = 44
        
        if scrollView.contentOffset.y > h {
            scrollView.contentInset = UIEdgeInsetsMake(-h, 0, 0, 0)
        }else if scrollView.contentOffset.y > 0 {
            scrollView.contentInset = UIEdgeInsetsMake(-scrollView.contentOffset.y, 0, 0, 0)
        }
        
    }
    
    
}