ihealth_ios/Inhealth/IHFloorListVCtr.swift

//
//  IHFloorListVCtr.swift
//  Inhealth
//
//  Created by weclouds on 2020/1/6.
//  Copyright © 2020 weclouds. All rights reserved.
//

import UIKit
import SwiftPopup
import IBAnimatable
class IHFloorListVCtr: AnimatableModalViewController {
//默认选择
    var selected_def : Int? = 0
    var selectedCallback :((Int)->Void)?
    
    var floorList :[RoomListData]?{
        didSet{
            self.collectionView.reloadData()
        }
    }
    @IBOutlet weak var contentview: UIView!
    
    lazy var collectionView: UICollectionView = {
        let layout = UICollectionViewFlowLayout()
        layout.itemSize = CGSize(width:  (UIScreen.main.bounds.width - 40) / 4, height: 45)//设置cell的大小
        layout.minimumLineSpacing = 0 //上下距离
        layout.minimumInteritemSpacing = 0 //左右距离
        layout.scrollDirection = .vertical

        let collectionView = UICollectionView(frame: CGRect(x: 20, y: 25, width: UIScreen.main.bounds.width - 40, height: KSCREENHEIGHT - 225), collectionViewLayout: layout)
        collectionView.isPagingEnabled = true // 允许分页
        collectionView.backgroundColor = UIColor.white
        collectionView.delegate = self
        collectionView.dataSource = self
        collectionView.showsHorizontalScrollIndicator = false
        collectionView.showsHorizontalScrollIndicator = false
        collectionView.register(UINib(nibName: "IHFloorListCell", bundle:nil), forCellWithReuseIdentifier: "cell")
        return collectionView
    }()
    
    override func viewDidLoad() {
        super.viewDidLoad()
//        self.showAnimation = nil
//        self.dismissAnimation = nil

        contentview.addSubview(collectionView)
    }


    @IBAction func cancelAction(_ sender: Any) {
        self.dismiss(animated: true)
    }
}
extension IHFloorListVCtr: UICollectionViewDelegate,UICollectionViewDataSource{
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return self.floorList?.count ?? 0
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath) as! IHFloorListCell
       let model =   self.floorList![indexPath.row]
        cell.floorName = model.name
        if indexPath.row == selected_def{
            cell.isSelected = true
        }
        return cell
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        cancellSelelcted()
        if let callback = self.selectedCallback {
            callback(indexPath.row)
        }
        self.dismiss(animated: true)
    }
    //取消所有选择
   private  func cancellSelelcted()  {
      let numSections = self.collectionView.numberOfSections
      for section in 0..<numSections {
          let numItems = self.collectionView.numberOfItems(inSection: section)
          for numItem in 0..<numItems {
            selectedCell(IndexPath(row: numItem, section: section))
         }
      }
    }
    
   private func selectedCell(_ indexPath :IndexPath)  {
        if self.collectionView.cellForItem(at: indexPath) != nil {
            let cell = self.collectionView.cellForItem(at: indexPath)
            cell?.isSelected = false
        }
        
        
    }
    
}