ihealth_ios/Inhealth/IHAddTitleAddressView.swift

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

import UIKit

protocol IHAddTitleAddressViewDelegate {
    func cancelClick(_ titleAddress :String,titleID:String)
    func cancel()
}
class IHAddTitleAddressView: UIView {
    var delegate:IHAddTitleAddressViewDelegate?
    var defaultHeight :CGFloat  = 200
    
    var title:String = "Please choose Hotel"
    
    var isclick:Bool = false //判断是滚动还是点击
    
    var addAddressView:UIView = UIView()
    
    lazy var countryMarr : [DropDownData] = [DropDownData]()//国家
    
    lazy var provinceArr :  [DropDownData] = [DropDownData]() //省份
    
    lazy var cityArr : [DropDownData] = [DropDownData]()//城市
    
    lazy var hotelArr : [DropDownData] = [DropDownData]()//酒店
    
    var titleScrollView :UIScrollView = UIScrollView()
    
    var contentScrollView :UIScrollView = UIScrollView()
    
    var radioBtn :UIButton = UIButton()
    
    var lineLabel : UILabel = UILabel()
    
    var titleScrollViewH : CGFloat = 37
    
    var titleArr :[String] = [String]()
    
    var titleIDArr :[String] = [String]()
    
    var tableViewArr:[UITableView] = [UITableView]()
    
    lazy var titleBtns : [UIButton] = [UIButton]()
   
    override init(frame: CGRect) {
        super.init(frame: frame)
        initAddressView()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

}


extension IHAddTitleAddressView {
    ///初始化UI
      func initAddressView()  {

          let tap  = UITapGestureRecognizer(target: self, action: #selector(tapBtnAndcancelBtnClick))
          tap.delegate = self
          addGestureRecognizer(tap)
        
         //添加地址的view
        addAddressView.frame = CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: defaultHeight)
        addAddressView.backgroundColor = .white
        addSubview(addAddressView)
        //标题
        let titleLabel = UILabel(frame: CGRect(x: 16, y:10 , width: KSCREENWIDTH - 80, height: 30))
        titleLabel.text = title
        titleLabel.textAlignment = .left
        titleLabel.textColor = UIColor(hexString: "333333")
        titleLabel.font = UIFont(name: PingFangSC_Semibold, size: 16)
        addAddressView.addSubview(titleLabel)
        let cancelBtn = UIButton(type: .custom)
        cancelBtn.frame = CGRect(x: addAddressView.frame.maxX - 40, y: 10, width: 30, height: 30)
        cancelBtn.setImage(UIImage(named: "ic_quxiao"), for: .normal)
        cancelBtn.addTarget(self, action: #selector(cancelAction), for: .touchUpInside)
        addAddressView.addSubview(cancelBtn)
        
        let tableView = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
        tableView.separatorStyle = .none
        tableView.tag = 1000000  + 0
        self.tableViewArr.append(tableView)
        titleArr.append("Please choose")
        //添加标题滚动视图
        setupTitleScrollView()
        //添加内容滚动视图
        setupContentScrollView()
        setupAllTitle(0)
        
      }
//取消操作
    @objc func cancelAction()  {
        if let delegate = self.delegate {
            delegate.cancel()
        }
    }
    ///收回的动画效果
   @objc func tapBtnAndcancelBtnClick()  {
   
        var titleAddress = ""
        var titleID = ""
        var count = 0
        let str = self.titleArr[self.titleArr.count - 1]
        if str == "Please choose"{
            count = self.titleArr.count - 1
        }else{
            count = self.titleArr.count
        }
        for i in 0..<count{
            
            if i == count - 1 {
                titleID = "\(titleID)\(self.titleIDArr[i])"
                titleAddress = "\(titleAddress)\(self.titleArr[i])"
            }else{
                titleID = "\(titleID)\(self.titleIDArr[i])="
                titleAddress = "\(titleAddress)\(self.titleArr[i])-"
            }
        }
        log.debug("名字列表 -- \(self.titleArr), id列表- -\(self.titleIDArr)")
    if self.titleArr.count > 0  &&  self.titleIDArr.count > 0{
        Intermediate.countryName = titleArr.first!
        Intermediate.countryId = titleIDArr.first!
    }
        self.delegate?.cancelClick(titleAddress, titleID: titleID)
    }
    
    private func stringForWidth(text: String, font: UIFont, height: CGFloat) -> CGFloat {
        let size = CGSize(width: CGFloat(MAXFLOAT), height: height)
        let rect = NSString(string: text).boundingRect(with: size, options: [.usesFontLeading, .usesLineFragmentOrigin], attributes: [.font: font], context: nil)
        return ceil(rect.width)
    }
}

extension IHAddTitleAddressView:UIScrollViewDelegate{
    func setupTitleScrollView()  {
        //TitleScrollView 和 分割线
        titleScrollView.frame = CGRect(x: 0, y: 50, width: KSCREENWIDTH, height: titleScrollViewH)
        addAddressView.addSubview(titleScrollView)
        let lineView = UIView(frame: CGRect(x: 0, y: titleScrollView.frame.maxY, width: KSCREENWIDTH, height: 0.5))
        lineView.backgroundColor = .gray
        addAddressView.addSubview(lineView)
    }
    func setupContentScrollView()  {
        let y = titleScrollView.frame.maxY + 1
        contentScrollView.frame = CGRect(x: 0, y: y, width: KSCREENWIDTH, height: defaultHeight - y)
        addAddressView.addSubview(contentScrollView)
        contentScrollView.delegate = self
        contentScrollView.bounces = false
        contentScrollView.isPagingEnabled = true
    }
    
    ///设置所有title
    func setupAllTitle(_ selectId :Int)  {
        for view in titleScrollView.subviews {
            view.removeSubviews()
        }
        
        self.titleBtns.removeAll()
        let btnH = self.titleScrollViewH
        // #05CFAB
        lineLabel.backgroundColor = UIColor(hexString: "#573F95")
        titleScrollView.addSubview(lineLabel)
        var x : CGFloat = 16
        for i  in 0..<titleArr.count {
            let title = titleArr[i]
            let titleBtn = UIButton(type: .custom)
            titleBtn.setTitle(title, for: .normal)
            let titlelenth : CGFloat = self.stringForWidth(text: title, font:  UIFont(name: PingFangSC_Medium, size: 13)!, height: btnH)
            titleBtn.setTitleColor(UIColor(hexString: "#657085"), for: .normal)
            // #05CFAB
            titleBtn.setTitleColor(UIColor(hexString: "#573F95"), for: .selected)
            titleBtn.tag = 23234234 + i
            titleBtn.isSelected = false
            titleBtn.titleLabel?.font = UIFont(name: PingFangSC_Medium, size: 13)
            titleBtn.frame = CGRect(x: x, y: 0, width: titlelenth, height: btnH)
            x += titlelenth + 10
            titleBtn.addTarget(self, action: #selector(titleBtnClick), for: .touchUpInside)

            self.titleBtns.append(titleBtn)
            if i == selectId {
                titleBtnClick(titleBtn: titleBtn)
            }
            titleScrollView.addSubview(titleBtn)
            titleScrollView.contentSize = CGSize(width: x, height: 0)
            titleScrollView.showsHorizontalScrollIndicator = false
            contentScrollView.contentSize = CGSize(width: CGFloat(self.titleArr.count) * KSCREENWIDTH, height: 0)
            contentScrollView.showsHorizontalScrollIndicator = false
        }
    }
    
    @objc func titleBtnClick(titleBtn:UIButton) {
        radioBtn.isSelected = false
        titleBtn.isSelected = true
        let index = titleBtn.tag - 23234234
        setupOneTableView(index)
        let x = CGFloat(index) * KSCREENWIDTH
        self.contentScrollView.contentOffset = CGPoint(x: x, y: 0)
        lineLabel.frame = CGRect(x: titleBtn.frame.minX, y: titleScrollViewH - 3, width: 50, height: 3)
        lineLabel.center.x = titleBtn.center.x
        
        radioBtn = titleBtn
        isclick = true
    }
    
    func setupOneTableView(_ index : Int)  {
        let contentView = self.tableViewArr[index]
        if index == 0 {
            //请求第一组数据
            getAddressMessageData(addressID: 1, countryIdOrProviceId: "0")
        }
        if contentView.superview != nil {
            return
        }
        let x = CGFloat(index) * KSCREENWIDTH
        contentView.frame = CGRect(x: x, y: 0, width: KSCREENWIDTH, height: contentScrollView.bounds.size.height)
        contentView.delegate = self
        contentView.dataSource = self
        self.contentScrollView.addSubview(contentView)

    }
    func scrollViewDidScroll(_ scrollView: UIScrollView) {
        let leftI : Int =  Int(scrollView.contentOffset.x / KSCREENWIDTH)
        if CGFloat(scrollView.contentOffset.x / KSCREENWIDTH) != CGFloat(leftI) {
            isclick = false
        }
        if isclick == false  {
            if CGFloat(scrollView.contentOffset.x / KSCREENWIDTH) == CGFloat(leftI) {
                  let titleBtn = titleBtns[leftI]
                titleBtnClick(titleBtn: titleBtn)
              }
        }
    }
}


extension IHAddTitleAddressView : UITableViewDelegate,UITableViewDataSource{
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        let index = tableView.tag - 1000000
        if index == 0 {
            return self.countryMarr.count
        }else if index == 1{
            return self.provinceArr.count
        }else if index == 2{
            return self.cityArr.count
        }else if index == 3{
            return self.hotelArr.count
        }
        return 0
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        var cell = tableView.dequeueReusableCell(withIdentifier: "cell")
        if cell == nil {
            cell = UITableViewCell(style: .default, reuseIdentifier: "cell")
        }
        let index = tableView.tag - 1000000
        if index == 0 {
            let country = self.countryMarr[indexPath.row]
            cell?.textLabel?.text = country.name
        }else if index == 1{
            let province = self.provinceArr[indexPath.row]
            cell?.textLabel?.text = province.name
        }else if index == 2{
            let city = self.cityArr[indexPath.row]
            cell?.textLabel?.text = city.name
        }else if index == 3{
            let hotel = self.hotelArr[indexPath.row]
            cell?.textLabel?.text = hotel.name
        }
        cell?.textLabel?.font = UIFont(name: PingFangSC_Regular, size: 13)
        cell?.textLabel?.textColor = .gray
        cell?.selectionStyle = .none
        return cell!
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        let index = tableView.tag - 1000000
       
            if index == 0 {
                let contry = self.countryMarr[indexPath.row]
                //1.修改选中的id
                if self.titleIDArr.count > 0  {
                    self.titleIDArr[index] = contry.id!
                }else{
                    self.titleIDArr.append(contry.id!)
                }
                //2.修改标题
                self.titleArr[index] = contry.name!
                log.debug("国家名称 --- \(contry.name!) ,国家id - \(contry.id!)")
                ///TODO : 请求网络，添加省份
                getAddressMessageData(addressID: 2, countryIdOrProviceId: contry.id!)
                
            }else if index == 1{
                    let province = self.provinceArr[indexPath.row]
                        //1.修改选中的id
                    if self.titleIDArr.count > 1  {
                        self.titleIDArr[index] = province.id!
                    }else{
                        self.titleIDArr.append(province.id!)
                    }
                    //2.修改标题
                    self.titleArr[index] = province.name!
                    ///TODO : 请求网络，添加城市
                    getAddressMessageData(addressID: 3, countryIdOrProviceId: province.id!)
            }
        else if index == 2 {
                    let city = self.cityArr[indexPath.row]
                    
                        //1.修改选中的id
                    if self.titleIDArr.count > 2  {
                        self.titleIDArr[index] = city.id!
                    }else{
                        self.titleIDArr.append(city.id!)
                    }
                    //2.修改标题
                    titleArr[index] = city.name!
                  //  getAddressMessageData(addressID: 4, countryIdOrProviceId: city.id!)
                getHotelMessage(4, code: city.id!)

            
        }else if index == 3{
                
            let hotel = self.hotelArr[indexPath.row]
                
            var hotelIndex = index
            if self.provinceArr.count == 0 {
                hotelIndex = 1
            }else if self.provinceArr.count > 0 && self.cityArr.count == 0{
                hotelIndex = 2
            }
            titleArr[hotelIndex] = hotel.name!
            if titleIDArr.count > hotelIndex {
                titleIDArr[hotelIndex] = hotel.id!
            } else {
                titleIDArr.append(hotel.id!)
            }
            setupAllTitle(index)
            self.tapBtnAndcancelBtnClick()
        }
    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return 40
    }
    
}


///防止手势冲突
extension IHAddTitleAddressView :UIGestureRecognizerDelegate{
    func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldReceive touch: UITouch) -> Bool {
        if NSStringFromClass(touch.view!.classForCoder) == "UITableViewCellContentView" || touch.view == addAddressView || touch.view == titleScrollView {
            return false
        }
        return true
    }
}
 

///网络请求
extension IHAddTitleAddressView{
    
    //
    func getHotelMessage(_ addressID: Int,code:String)  {
        
            IHAddressService.share.getHotelList(code, requestSuccess: { (hotellist) in
               // self.case4(hotellist)
                self.hotelCase(addressID, hotellist: hotellist)
                
              //  if self.tableViewArr.count >= addressID {
                for tableView1 in self.tableViewArr{
                    
                    if tableView1.tag == 1000000 + 3 {
                         tableView1.reloadData()
                    }
                }
                   // let tableView1 = self.tableViewArr[addressID - 1]
                   
                    
               // }
            }) {
                log.debug("失败了")
        }
    }
    
    func getAddressMessageData(addressID : Int,countryIdOrProviceId:String)  {
        switch addressID {
          case 1:
            
            IHAddressService.share.getContryList(requestSuccess: { (contrylist) in
                self.case1(contrylist)
                if self.tableViewArr.count >= addressID {
                    let tableView1 = self.tableViewArr[addressID - 1]
                    tableView1.reloadData()
                }
            }) {
                log.debug("失败了")
            }
            case 2:
             
              IHAddressService.share.getProvinceList(countryIdOrProviceId, requestSuccess: { (provincelist) in
                
                if provincelist!.count == 0{
                    
                    self.provinceArr.removeAll()
                     
                    let title1 = self.titleArr.first
                    let table1 = self.tableViewArr.first
                    self.tableViewArr.removeAll()
                    self.titleArr.removeAll()
                    
                    self.titleArr.append(title1!)
                    self.tableViewArr.append(table1!)
   
                    self.getHotelMessage(2, code: countryIdOrProviceId)
                    
                  
                    return
                }
                
                self.case2(provincelist!)
                
                if self.tableViewArr.count >= addressID {
                    
                    let tableView1 = self.tableViewArr[addressID - 1]
                   
                    
                    
                    tableView1.reloadData()
                }
               
              }) {
                  log.debug("失败了")
            }
            case 3:
             
              IHAddressService.share.getCityeList(countryIdOrProviceId, requestSuccess: { (citylist) in
                if citylist!.count == 0{
                    self.cityArr.removeAll()
                    let title1 = self.titleArr.first
                    let table1 = self.tableViewArr.first
                    let title2 = self.titleArr[1]
                    let table2 = self.tableViewArr[1]
                    self.tableViewArr.removeAll()
                    self.titleArr.removeAll()
                    
                    self.titleArr.append(title1!)
                    self.tableViewArr.append(table1!)
                    self.titleArr.append(title2)
                    self.tableViewArr.append(table2)

                    self.getHotelMessage(3, code: countryIdOrProviceId)
                      return
                  }
                self.case3(citylist!)
                if self.tableViewArr.count >= addressID {
                    let tableView1 = self.tableViewArr[addressID - 1]
                    tableView1.reloadData()
                }
          
          
              }) {
                log.debug("失败了")
            }
        default:
            break
        }

    }
    
    
    func case1(_ contrylist: [DropDownData])  {
        if contrylist.count > 0{
             self.countryMarr.removeAll()
             self.countryMarr = contrylist
         }else{
            log.debug("没有对应省分")
            // self.tapBtnAndcancelBtnClick()
         }
    }
    
    func case2(_ provincelist:[DropDownData])  {
              self.provinceArr.removeAll()
              self.provinceArr = provincelist
              if self.tableViewArr.count >= 2{
                
                self.titleArr[1] = "Please choose"
                if self.tableViewArr.count > 2 {
                    let conunt = self.tableViewArr.count - 2
                    for _ in 0..<conunt {
                        self.titleArr.removeLast()
                        self.tableViewArr.removeLast()
                    }
                    
                }else if  self.tableViewArr.count ==  2 {
                    for tableView in self.tableViewArr {
                        if tableView.tag ==  1000000 + 3 {
                            let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
                            tableView2.separatorStyle = .none
                            tableView2.tag = 1000000 + 1
                            self.tableViewArr[1] = tableView2
                        } else {
                            
                        }
                    }
                }
            }else{
                
                let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
                tableView2.separatorStyle = .none
                tableView2.tag = 1000000 + 1
                self.tableViewArr.append(tableView2)
                self.titleArr.append("Please choose")
            }
            self.setupAllTitle(1)
    }
    func case3(_ citylist:[DropDownData])  {
        if citylist.count > 0{
            self.cityArr.removeAll()
            self.cityArr = citylist
            if self.tableViewArr.count >= 3{
               self.titleArr[2]  = "Please choose"
                if tableViewArr.count > 3 {
                    self.titleArr.removeLast()
                    self.tableViewArr.removeLast()
                }else {
                    for tableView in self.tableViewArr {
                        if tableView.tag ==  1000000 + 3 {
                            let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
                            tableView2.separatorStyle = .none
                            tableView2.tag = 1000000 + 2
                            self.tableViewArr[2] = tableView2
                        } else {
                            
                        }
                    }
                }
            }else{
               let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
               tableView2.separatorStyle = .none
               tableView2.tag = 1000000 + 2
               self.tableViewArr.append(tableView2)
               self.titleArr.append("Please choose")
          }
          self.setupAllTitle(2)
        }else{
            //没有对应市
            if self.tableViewArr.count > 2{
                self.titleArr.removeLast()
                self.tableViewArr.removeLast()
            }
            self.setupAllTitle(1)
          //  self.tapBtnAndcancelBtnClick()
        }
    }
    
    
    func hotelCase(_ addressID :Int,hotellist: [DropDownData])  {
        
        switch addressID {
            
            case 2:
                
                  self.hotelArr.removeAll()
                  self.hotelArr = hotellist
                  if self.tableViewArr.count >= 2{
                    self.titleArr[1] = "Please choose"
                    if self.tableViewArr.count > 2 {

                        for i in 0..<self.tableViewArr.count {
                            let tableView = self.tableViewArr[i]
                            if tableView.tag == 1000003 {
                                self.tableViewArr[1] = tableView
                            }
                        }
                        self.tableViewArr.removeLast()
                        self.titleArr.removeLast()
                        self.titleIDArr.removeLast()
      
                    }else{
                        
                        for tableView in self.tableViewArr {
                            
                            if tableView.tag ==  1000000 + 1 {
                                let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
                                tableView2.separatorStyle = .none
                                tableView2.tag = 1000000 + 3
                                self.tableViewArr[1] = tableView2
                                
                            } else {
                                
                            }
                        }
                    }
                }else{
                    let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
                    tableView2.separatorStyle = .none
                    tableView2.tag = 1000000 + 3
                    self.tableViewArr.append(tableView2)
                    self.titleArr.append("Please choose")
                }
                self.setupAllTitle(1)
                  
                  
              
            case 3:
                  self.hotelArr.removeAll()
                  self.hotelArr = hotellist
                  if self.tableViewArr.count >= 3{
                     self.titleArr[2]  = "Please choose"
                      if tableViewArr.count > 3 {
                          self.titleArr.removeLast()
                          self.tableViewArr.removeLast()
                      }else{
                        for tableView in self.tableViewArr {
                            if tableView.tag ==  1000000 + 2 {
                                let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
                                tableView2.separatorStyle = .none
                                tableView2.tag = 1000000 + 3
                                self.tableViewArr[2] = tableView2
                            } else {
                                
                            }
                        }
                    }
                  }else{
                     let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
                     tableView2.separatorStyle = .none
                     tableView2.tag = 1000000 + 3
                     self.tableViewArr.append(tableView2)
                     self.titleArr.append("Please choose")
                }
                self.setupAllTitle(2)
              
            case 4 :
                self.hotelArr.removeAll()
                self.hotelArr = hotellist
               if self.tableViewArr.count > 3{
                 self.titleArr[3]  = "Please choose"
               }else{
                  let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
                  tableView2.separatorStyle = .none
                  tableView2.tag = 1000000 + 3
                  self.tableViewArr.append(tableView2)
                  self.titleArr.append("Please choose")
             }
               
             self.setupAllTitle(3)
        default:
            break
        }
       
    }
    func case4(_ hotellist:[DropDownData])  {
        
        if hotellist.count > 0 {
            self.hotelArr.removeAll()
            self.hotelArr = hotellist
             
            if self.provinceArr.count == 0 {
                
                if self.tableViewArr.count >= 2 {
                    self.titleArr[1] = "Please choose"
                    if self.tableViewArr.count > 2 {
                        
                    let conunt = self.tableViewArr.count - 2
                      for _ in 0..<conunt {
                          self.titleArr.removeLast()
                          self.tableViewArr.removeLast()
                      }
  
                    }
                } else {
                    let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
                    tableView2.separatorStyle = .none
                    tableView2.tag = 1000000 + 3
                    self.tableViewArr.append(tableView2)
                    self.titleArr.append("Please choose")
                }
                self.setupAllTitle(1)
                return
            } else if self.provinceArr.count > 0  && self.cityArr.count == 0  {
                            if self.tableViewArr.count >= 3{
                     self.titleArr[2]  = "Please choose"
                      if tableViewArr.count > 3 {
                          self.titleArr.removeLast()
                          self.tableViewArr.removeLast()
                      }
                  }else{
                     let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
                     tableView2.separatorStyle = .none
                     tableView2.tag = 1000000 + 3
                     self.tableViewArr.append(tableView2)
                     self.titleArr.append("Please choose")
                }
                self.setupAllTitle(2)
                return
            }else{
                
                  if self.tableViewArr.count > 3{
                    self.titleArr[3]  = "Please choose"
                  }else{
                     let tableView2 = UITableView(frame: CGRect(x: 0, y: 0, width: KSCREENWIDTH, height: 200), style: .plain)
                     tableView2.separatorStyle = .none
                     tableView2.tag = 1000000 + 3
                     self.tableViewArr.append(tableView2)
                     self.titleArr.append("Please choose")
                }
                self.setupAllTitle(3)
                return
            }
          
        }
    }
 
    
}



/*
 
 
 */