SolarBT_iOS/SolarBT/Classes/Main/UI/历史数据/SBTFormView.swift

//
//  SBTFormView.swift
//  SolarBT
//
//  Created by weclouds on 2019/2/27.
//  Copyright © 2019 weclouds. All rights reserved.
//

import UIKit

class SheetLeftView: UITableView {
    override init(frame: CGRect, style: UITableView.Style) {
        super.init(frame: frame, style: style)
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
}

class SheetBottomView: UICollectionView {
    override init(frame: CGRect, collectionViewLayout layout: UICollectionViewLayout) {
        super.init(frame: frame, collectionViewLayout: layout)
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
}

class SheetContentView: UITableView {
    override init(frame: CGRect, style: UITableView.Style) {
        super.init(frame: frame, style: style)
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
}

protocol SBTFormViewDataSource : NSObjectProtocol {
    //返回表格有多少行
     func formView(_ formView:SBTFormView,numberOfRowsIn section:Int ) -> Int
    //返回表格有多少列
    func formView(_ formView:SBTFormView,numberOfColsIn section:Int) -> Int
    //返回表格某行某列外支商需要显示的内容
    func formView(_ formView:SBTFormView,cellForContentItemAt indexRow:IndexPath, indexCol:IndexPath) -> String
    //返回表格左侧标题列每行需要显示的内容
    func formView(_ formView:SBTFormView,cellForLeftColAt indexPath:IndexPath) -> String
    //返回表格下边标题行每列需要显示的内容
    func formView(_ formView:SBTFormView,cellForBottomRowAt indexPath:IndexPath) -> String
    //返回表格某行是否需要填充颜色
    func formView(_ formView:SBTFormView,cellWithColorAt indexRow:IndexPath) -> Bool
}


protocol SBTFormViewDelegate : NSObjectProtocol {
    //返回表格每行的高度
    func formView(_ formView:SBTFormView,heightForRowAt indexPath:IndexPath ) -> CGFloat
  //返回表格每列的宽度
    func formView(_ formView:SBTFormView,widthForColAt indexPath:IndexPath) -> CGFloat
    //返回表格某行某列外支商需要显示的内容
   // func formView(_ formView:SBTFormView,cellForContentItemAt indexRow:IndexPath) -> String
   //点击事件
    func formView(_ formView:SBTFormView,didSelectItemAt indexRow:IndexPath, indexCol: IndexPath)
}

class SBTFormView: UIView {
   
        var weekData : [OneDayData]? //一周数据
   weak  var dataSource : SBTFormViewDataSource?

    weak var delegate :SBTFormViewDelegate?
    
    let leftViewCellID = "left.tableview.cell"
    let bottomViewCellID = "top.collectionview.cell"
    let contentViewCellID = "content.tableview.cell"
    
    var sheetHead : String? // 第一行第一列格子j要显示的内容
    var titleColWidth : CGFloat? // 左侧标题列宽度 （必须设置）
    var titleRowHeight : CGFloat?// 下边标题行高度
    
    
    var leftView : SheetLeftView?
    var bottomView : SheetBottomView?
    var contentView : SheetContentView?

    var sheetHeadLabel : UILabel?
    
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        createUI()
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    open func reloadData(){
        self.leftView?.reloadData()
        self.bottomView?.reloadData()
        self.contentView?.reloadData()
    }
    
    override func layoutSubviews() {
        super.layoutSubviews()
        let sheetViewWidth  = self.frame.size.width
        let sheetViewHeight = self.frame.size.height
        self.leftView?.frame = CGRect(x: 0, y: 0, width: titleColWidth!, height: sheetViewHeight - titleRowHeight!)
        self.bottomView?.frame = CGRect(x: titleColWidth!, y: sheetViewHeight - titleRowHeight!, width: sheetViewWidth - titleColWidth!, height: titleRowHeight!)
        contentView?.frame = CGRect(x: titleColWidth!, y: 0, width: sheetViewWidth - titleColWidth!, height: sheetViewHeight - titleRowHeight!)

        
    }
    
}

extension SBTFormView{
    func createUI()  {
        self.layer.borderColor = UIColor.red.cgColor
        self.layer.cornerRadius = 1
        self.layer.borderWidth = 1
        
        leftView                                  = SheetLeftView(frame: CGRect.zero, style: .plain)
        leftView?.delegate                        = self
        leftView?.dataSource                      = self
        leftView?.showsVerticalScrollIndicator    = false
        leftView?.backgroundColor                 =   UIColor.clear
        leftView?.layer.borderColor               = UIColor.blue.cgColor
        leftView?.layer.borderWidth               = 1
        leftView?.separatorStyle                  = .none
        
        let layout = UICollectionViewFlowLayout()
        layout.minimumLineSpacing                  = 1
        layout.minimumInteritemSpacing             = 1
        layout.scrollDirection                     = .horizontal
        bottomView                                 = SheetBottomView(frame: CGRect.zero, collectionViewLayout: layout)
        bottomView?.delegate                       = self
        bottomView?.dataSource                     = self
        bottomView?.showsHorizontalScrollIndicator = false
        bottomView?.register(UICollectionViewCell.self, forCellWithReuseIdentifier: bottomViewCellID)
        bottomView?.backgroundColor                = UIColor.white
        bottomView?.layer.borderWidth              = 1
        bottomView?.layer.borderColor              = UIColor.lightGray.cgColor
        
        contentView                                = SheetContentView(frame: CGRect.zero, style: .plain)
        contentView?.delegate                      = self
        contentView?.dataSource                    = self
        contentView?.showsVerticalScrollIndicator  = false
        contentView?.separatorStyle                = .none
        contentView?.backgroundColor               = UIColor.white
        
        addSubview(leftView!)
        addSubview(bottomView!)
        addSubview(contentView!)
        
    }
}



extension SBTFormView:UITableViewDelegate,UITableViewDataSource,UICollectionViewDelegate,UICollectionViewDataSource{
    func scrollViewDidScroll(_ scrollView: UIScrollView) {
        if scrollView.isKind(of: SheetLeftView.self) {
            contentView?.contentOffset = (leftView?.contentOffset)!
        }
        if scrollView.isKind(of: SheetLeftView.self) {
            leftView?.contentOffset = (contentView?.contentOffset)!
        }
        if self.isKind(of: UICollectionView.self) {
            for cell  in (contentView?.visibleCells)! {
                let cell1 = cell as! SBTContentViewCell
                cell1.cellCollectionView?.contentOffset = scrollView.contentOffset
            }
        }
    }
    
    //MARK: -- UITableViewDelegate && UITableVIewDataSource
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return (delegate?.formView(self, heightForRowAt: indexPath))!
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return (self.dataSource?.formView(self, numberOfRowsIn: section))!
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        if tableView.isKind(of: SheetLeftView.self) {
            var cell = tableView.dequeueReusableCell(withIdentifier: leftViewCellID)
            if cell == nil{
                cell = UITableViewCell(style: .default, reuseIdentifier: leftViewCellID)
            }
            cell?.selectionStyle = .none
            for view in (cell?.contentView.subviews)!{
                view.removeFromSuperview()
            }
            cell?.backgroundColor = UIColor.white
            cell?.layer.borderColor = UIColor.blue.cgColor
            cell?.layer.borderWidth = 1
            
            let width = self.titleColWidth
            let height = self.delegate?.formView(self, heightForRowAt: indexPath)
            
            let rect = CGRect(x: 0, y: 0, width: width!, height: height!)
            let label = UILabel(frame: rect)
            label.text = self.dataSource?.formView(self, cellForLeftColAt: indexPath)
            label.textColor = UIColor.black
            label.textAlignment = .center
            cell?.contentView.addSubview(label)
            
            return cell!
        }
        var aCell = tableView.dequeueReusableCell(withIdentifier: contentViewCellID) as? SBTContentViewCell
        if aCell == nil {
            aCell = SBTContentViewCell(style: .default, reuseIdentifier: contentViewCellID)
        }
        aCell?.selectionStyle = .none
        aCell?.cellForItemAtIndexPathBlock = { (indexPathInner) in
           // return (self.dataSource?.formView(self, cellForLeftColAt: indexPathInner))!
            return (self.dataSource?.formView(self, cellForContentItemAt: indexPath, indexCol: indexPathInner))!
        }
        
        aCell?.numberOfItemsInSectionBlock = {(section) in
            return (self.dataSource?.formView(self, numberOfRowsIn: section))!
        }
        
        aCell?.sizeForItemAtIndexPathBlock = {(collectionViewLayout,indexPathInner) in
            let width = self.delegate?.formView(self, widthForColAt: indexPathInner)
            let height = self.delegate?.formView(self, heightForRowAt: indexPathInner)
            return CGSize(width: width!, height: height!)
        }
        aCell?.ContentViewCellDidScrollBlock = {(scroll) in
            for cell in (self.contentView?.visibleCells)! {
                let cell2 = cell as! SBTContentViewCell
                cell2.cellCollectionView?.contentOffset = scroll.contentOffset
            }
            self.bottomView?.contentOffset = scroll.contentOffset
        }
        aCell?.cellWithColorAtIndexPathBlock = {(indexPathInner) in
            return (self.dataSource?.formView(self, cellWithColorAt: indexPath))!
        }
        aCell?.didSelectItemBlock = {(indexPathInner) in
            self.delegate?.formView(self, didSelectItemAt: indexPath, indexCol: indexPathInner)
        }
    
        aCell?.backgroundColor = UIColor.clear
       aCell?.cellCollectionView?.frame = CGRect(x: 0, y: 0, width: self.frame.size.width, height: self.frame.size.height)
        aCell?.cellCollectionView?.reloadData()
        return aCell!
        
    }
    
    func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
        if tableView.isKind(of: SheetLeftView.self) {
            return
        }
        let willDisplayCell = cell as! SBTContentViewCell
        let didDisplayCell = tableView.visibleCells.first as! SBTContentViewCell
        if (willDisplayCell.cellCollectionView != nil)  && (didDisplayCell.cellCollectionView != nil) && willDisplayCell.cellCollectionView?.contentOffset.x != didDisplayCell.cellCollectionView?.contentOffset.x  {
            willDisplayCell.cellCollectionView?.contentOffset = (didDisplayCell.cellCollectionView?.contentOffset)!
        }
    }
    
    //MARK:pragma mark -- UICollectionViewDelegate && UICollectionViewDataSource
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return 1
    }
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return (self.dataSource?.formView(self, numberOfColsIn: section))!
    }
    
    func collectionView(_ collectionView: UICollectionView,
                        layout collectionViewLayout: UICollectionViewLayout,
                        sizeForItemAt indexPath: IndexPath) -> CGSize {
        let width = self.delegate?.formView(self, widthForColAt: indexPath)
        let height = self.titleRowHeight
        return CGSize(width: width!, height: height!)
    }
    
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let bottomCell = collectionView.dequeueReusableCell(withReuseIdentifier: bottomViewCellID, for: indexPath)
        if bottomCell != nil {
            for view in bottomCell.contentView.subviews{
                view.removeFromSuperview()
            }
            bottomCell.backgroundColor = UIColor.white
            bottomCell.layer.borderColor = UIColor.lightGray.cgColor
            bottomCell.layer.borderWidth = 1
            let width  = self.delegate?.formView(self, widthForColAt: indexPath)
            let height = self.titleRowHeight
            let rect = CGRect(x: 0, y: 0, width: width!, height: height!)
            let label = UILabel(frame: rect)
            label.text =  self.dataSource?.formView(self, cellForBottomRowAt: indexPath)
            label.textColor = UIColor.black
            label.textAlignment = .center
            bottomCell.contentView.addSubview(label)
        }
       return bottomCell
    }
}