多界面开发

多界面开发 顶部滑动标签使用UICollectionView ,界面使用UIPageviewController控制器

//

//  YLJSpecialViewController.swift

//  ShopNC B2B2C

//

//  Created by 鱼老九 on 2019/1/30.

//  Copyright © 2019年 ShopNC. All rights reserved.

//

/**

 专题模版

 */

import UIKit

importSnapKit

importAlamofire

importSwiftyJSON

classYLJNavSpecialDataFrame:NSObject{

    vartitle :String!

    varisHiddenLine :Bool=true

    vartitleFrame :CGRect!

}

class YLJSpecialViewController: UIViewController,UIScrollViewDelegate,UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout,UIPageViewControllerDelegate,UIPageViewControllerDataSource{

    lettitles =  ["查看0","管理理1","优化优化2","收藏收藏藏3","管理管理管理4","管理管理管理管5","收藏管理管理管理管理6","收藏收藏藏7","管理管理管理8","收藏收藏藏9","管理管理管理10","收藏收藏藏11","管理管理管理12"]

    var navspecialFrames : Array<YLJNavSpecialDataFrame> = Array<YLJNavSpecialDataFrame>()

    letUICollectionViewCellID ="UICollectionViewCellID"

    let screenWidth : CGFloat = UIScreen.main.bounds.size.width

    let screenHeight : CGFloat = UIScreen.main.bounds.size.height

    varnavSelectedindexPath :IndexPath?//被选中的cell的indexpatch

    let pageViewController : UIPageViewController = UIPageViewController.init(transitionStyle: UIPageViewControllerTransitionStyle.scroll, navigationOrientation: UIPageViewControllerNavigationOrientation.horizontal, options: nil)

    var ArrayVc : Array<UIViewController> = Array<UIViewController>()//子控制器数组

    varcollectionView :UICollectionView!//导航条标签

    varcurrentVCIndex :Int!//当前控制器索引

    overridefuncviewDidLoad() {

        super.viewDidLoad()

        for(key,item)intitles.enumerated() {

            letnavSpecialdataFrame =YLJNavSpecialDataFrame()

            navSpecialdataFrame.title= item

           // 标题的frame

            letfont:UIFont! =UIFont.systemFont(ofSize:CGFloat(10*ScreenMultiple))

            letattributes1 = [NSFontAttributeName:font]as[String:Any]

            let option = NSStringDrawingOptions.usesLineFragmentOrigin

            letsize = item.boundingRect(with:CGSize(width:screenWidth, height:500), options: option, attributes: attributes1, context:nil).size

             navSpecialdataFrame.titleFrame=CGRect(x:0, y:0, width:CGFloat(size.width) +CGFloat(10*ScreenMultiple), height:44)

            //是否显示横线

            ifkey ==0{

                navSpecialdataFrame.isHiddenLine=false

            }

            navspecialFrames.append(navSpecialdataFrame)

            letVc =UIViewController.init()

            letlabel =UILabel()

            label.textColor=UIColor.black

            label.textAlignment= .center

            label.text=String(key)

            label.frame=CGRect(x:0, y:100, width:screenWidth, height:300)

            Vc.view.addSubview(label)

            ifkey%2==0{

                Vc.view.backgroundColor = UIColor.white

            }else{

                Vc.view.backgroundColor = UIColor.green

            }

            self.ArrayVc.append(Vc)

        }

        let flowLayout = UICollectionViewFlowLayout()

        flowLayout.scrollDirection= .horizontal

        flowLayout.minimumInteritemSpacing = 10;

         collectionView=UICollectionView(frame:CGRect(x:0, y:0, width:screenWidth, height:44), collectionViewLayout: flowLayout)

        collectionView.showsVerticalScrollIndicator = false

        collectionView.showsHorizontalScrollIndicator = false

        collectionView.delegate = self

        collectionView.dataSource = self

        collectionView.backgroundColor = UIColor.white

        collectionView.register(YLJNavSpecialCell.self, forCellWithReuseIdentifier: UICollectionViewCellID)

        self.navigationItem.titleView = collectionView

        //单个视图控制器多个标签页切换使用

        pageViewController.delegate = self

        pageViewController.dataSource = self

        self.addChildViewController(pageViewController)

        self.view.addSubview(pageViewController.view)

        ifISIPHONEX{

            pageViewController.view.frame=CGRect(x:0, y:0, width:screenWidth, height:screenHeight-83)

        }else{

            pageViewController.view.frame=CGRect(x:0, y:0, width:screenWidth, height:screenHeight  -49)

        }

        self.pageViewController.setViewControllers([self.ArrayVc[0]], direction:UIPageViewControllerNavigationDirection.forward, animated:true, completion:nil)

        //http://192.168.0.133/mobile/index.php?act=index&op=get_special

        let url = "\(API_URL)index.php?act=index&op=get_special"

//        Alamofire.request(url).response(queue: DispatchQueue.global()) { (returnResult) in

//            if  let data = returnResult.data {

//                let json = JSON.init(data)

//                print("专题数据:",json)

//                var imgUrls : Array = Array()

//                for (key,item) in json["datas"].arrayValue.enumerated() {

//                    //special_title

//                    let specialDataFrame = YLJNavSpecialDataFrame()

//                    specialDataFrame.title = item["special_title"].stringValue

//                    let font:UIFont! = UIFont.systemFont(ofSize: CGFloat(10*ScreenMultiple))

//                    let attributes1 = [NSFontAttributeName:font] as [String : Any]

//                    let option = NSStringDrawingOptions.usesLineFragmentOrigin

//                    let size = item["special_title"].stringValue.boundingRect(with: CGSize(width: self.screenWidth, height: 500), options: option, attributes: attributes1, context: nil).size

//                    specialDataFrame.titleFrame = CGRect(x: 0, y: 0, width: CGFloat(size.width) + CGFloat(10*ScreenMultiple), height: 44)

//                    //是否显示横线

//                    if key == 0 {

//                        specialDataFrame.isHiddenLine = false

//                    }

//

//                    //let jsons = JSON.init(item["special_content"].string)

//

//                    //print("专题图片信息:",)

//                    var array = Array()

//                    for j in JSON.init(parseJSON: item["special_content"].stringValue)["app"]["img"] .arrayValue {

//                      print("专题图片信息:",j)

//                        let urlinfo = YLJImagsUrl()

//                        urlinfo.url = j["src"].stringValue

//                        urlinfo.goods_id = j["id"].stringValue

//                        array.append(urlinfo)

//                    }

//                    imgUrls.append(array)

//                    self.navspecialFrames.append(specialDataFrame)

//                }

//                DispatchQueue.main.async {

//

//                    for key in 0 ..< self.navspecialFrames.count {

//                        let subVC = YLJSpecialSubOneViewController()

//                        subVC.url_strs = imgUrls[key] as! Array

//

//                        self.ArrayVc.append(subVC)

//                    }

//                    self.collectionView.reloadData()

//                    if self.ArrayVc.count > 0 {

//                        self.pageViewController.setViewControllers([self.ArrayVc[0]], direction: UIPageViewControllerNavigationDirection.forward, animated: true, completion: nil)

//                    }

//                }

//            }

//        }

    }

    funccollectionView(_collectionView:UICollectionView, numberOfItemsInSection section:Int) ->Int{

        return self.navspecialFrames.count

    }

    funccollectionView(_collectionView:UICollectionView, cellForItemAt indexPath:IndexPath) ->UICollectionViewCell{

        letcell = collectionView.dequeueReusableCell(withReuseIdentifier:UICollectionViewCellID, for: indexPath)as!YLJNavSpecialCell

        //cell.backgroundColor = UIColor.white

        cell.titleLabel.text = navspecialFrames[indexPath.item].title

        cell.lineLabel.isHidden = navspecialFrames[indexPath.item].isHiddenLine

        ifself.navSelectedindexPath==nil&& indexPath.item==0{

            self.navSelectedindexPath= indexPath

        }

        returncell

    }

    funccollectionView(_collectionView:UICollectionView, layout collectionViewLayout:UICollectionViewLayout, sizeForItemAt indexPath:IndexPath) ->CGSize{

        return navspecialFrames[indexPath.item].titleFrame.size

    }

    funccollectionView(_collectionView:UICollectionView, didSelectItemAt indexPath:IndexPath) {

        print("点击了第几个cell",indexPath.item)

        //对选中的indexpath 的cell 进行恢复

        letcell = collectionView.cellForItem(at:self.navSelectedindexPath!)as?YLJNavSpecialCell

        cell?.lineLabel.isHidden=true

        //对数据进行恢复

        let dataFrame = self.navspecialFrames[(self.navSelectedindexPath?.item)!]

        dataFrame.isHiddenLine=true

        //对当前选中的cell界面进行更新

        letcurrentCell = collectionView.cellForItem(at: indexPath)as?YLJNavSpecialCell

        currentCell?.lineLabel.isHidden=false

        //对数据进行刷新

        letcurrentDataFrame =self.navspecialFrames[indexPath.item]

        currentDataFrame.isHiddenLine=false

        // self.pageViewController

        //对pageviewcontroller进行设置

        letisDirection = (self.navSelectedindexPath?.item)! > indexPath.item?1:0

        pageViewController.setViewControllers([ArrayVc[indexPath.item]], direction: isDirection ==1?  UIPageViewControllerNavigationDirection.reverse:UIPageViewControllerNavigationDirection.forward, animated:true, completion:nil)

        self.navSelectedindexPath= indexPath

    }

    //MARK:UIPageViewControllerDelegate

    funcpageViewController(_pageViewController:UIPageViewController, didFinishAnimating finished:Bool, previousViewControllers: [UIViewController], transitionCompleted completed:Bool) {

        ifcompleted {

            ifcurrentVCIndex!=ArrayVc.index(of: previousViewControllers[0]) {

             print("当前控制器索引",currentVCIndex)

                collectionView.scrollToItem(at:IndexPath(item:currentVCIndex!, section:0), at:UICollectionViewScrollPosition.centeredHorizontally, animated:true)

                collectionView(collectionView, didSelectItemAt:IndexPath(item:currentVCIndex, section:0))

            }

        }

    }

    funcpageViewController(_pageViewController:UIPageViewController, willTransitionTo pendingViewControllers: [UIViewController]) {

        currentVCIndex=ArrayVc.index(of: pendingViewControllers[0])

    }

    //MARK:UIPageViewControllerDataSource

    funcpageViewController(_pageViewController:UIPageViewController, viewControllerBefore viewController:UIViewController) ->UIViewController? {

        guardletviewControllerIndex =ArrayVc.index(of: viewController)else{

            returnnil

        }

        letpreviousIndex = viewControllerIndex -1

        guardpreviousIndex >=0else{

            returnnil

        }

        guardArrayVc.count> previousIndexelse{

            returnnil

        }

        returnArrayVc[previousIndex]

    }

    funcpageViewController(_pageViewController:UIPageViewController,viewControllerAfter viewController:UIViewController) ->UIViewController? {

        guardletviewControllerIndex =ArrayVc.index(of: viewController)else{

            returnnil

        }

        letnextIndex = viewControllerIndex +1

        letorderedViewControllersCount =ArrayVc.count

        guardorderedViewControllersCount != nextIndexelse{

            returnnil

        }

        guardorderedViewControllersCount > nextIndexelse{

            returnnil

        }

        returnArrayVc[nextIndex]

}

    overridefuncdidReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

    overridefuncviewWillAppear(_animated:Bool) {

        super.viewWillAppear(animated)

        self.navigationController?.navigationBar.barTintColor = NAVI_BAR_COLOR

        self.navigationController?.navigationBar.isTranslucent = false

        // self.navigationController?.navigationBar.setBackgroundImage(UIImage(), for: UIBarMetrics.default)

        self.navigationController?.navigationBar.barStyle = UIBarStyle.default

//        self.navigationController?.navigationBar.isHidden = true

        self.tabBarController?.tabBar.tintColor=UIColor(red:255/255, green:80/255, blue:57/255, alpha:1.0)

        self.navigationController?.tabBarItem.selectedImage = self.navigationController?.tabBarItem.selectedImage?.withRenderingMode(UIImageRenderingMode.alwaysOriginal)

    }

    overridefuncviewWillDisappear(_animated:Bool) {

        super.viewWillDisappear(animated)

    }

}