Фрагмент кода
class TemporaryViewController: UIViewController {
@IBOutlet weak var itemCollectionView: UICollectionView! // Main Collection View
private var footerView: DashboardBottomViewCollectionViewCell?
override func viewDidLoad() {
super.viewDidLoad()
self.itemCollectionView.delegate = self
self.itemCollectionView.dataSource = self
self.itemCollectionView.register(UINib(nibName: nibParameter.DASHBOARD_CENTER_NIB, bundle: nil), forCellWithReuseIdentifier: nibParameter.DASHBOARD_CENTER_NIB)
self.itemCollectionView.register(UINib(nibName: "DashboardBottomViewCollectionViewCell", bundle: nil), forSupplementaryViewOfKind: UICollectionView.elementKindSectionFooter, withReuseIdentifier: "DashboardBottomViewCollectionViewCell")
}}
extension TemporaryViewController: UICollectionViewDataSource, UICollectionViewDelegate, UICollectionViewDelegateFlowLayout {
func collectionView(_ collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, at indexPath: IndexPath) -> UICollectionReusableView {
switch kind {
case UICollectionView.elementKindSectionHeader:
return nil
case UICollectionView.elementKindSectionFooter:
let footerView = itemCollectionView.dequeueReusableSupplementaryView(ofKind: kind, withReuseIdentifier: "DashboardBottomViewCollectionViewCell", for: indexPath) as! DashboardBottomViewCollectionViewCell
self.footerView = footerView
self.footerView?.contentView?.clipsToBounds = true
footerView?.dashboardBottomDelegate = self
footerView?.clipsToBounds = true
return footerView!
default:
return headerView!
}
}
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForHeaderInSection section: Int) -> CGSize {
return CGSize(width: 600, height: 300.0)
}
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForFooterInSection section: Int) -> CGSize {
return CGSize(width: 100.0, height: 300.0)
}
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return 3
}
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
let width = -10 + (collectionView.frame.width)
return CGSize(width: width,
height: 90)
}
}
Класс нижнего колонтитула для отображения коллекции Просмотр
class DashboardBottomViewCollectionViewCell: UICollectionReusableView {
weak var dashboardBottomDelegate: DashboardBottomViewCollectionViewDelegate?
@IBOutlet weak var itemCollectionView: UICollectionView!
@IBOutlet weak var imageView: UIView!
var estimateWidth = 160.0
var cellMarginSize = 16.0
var contentView : DashboardBottomViewCollectionViewCell?
override init(frame: CGRect) {
super.init(frame: frame)
let contents = Bundle.main.loadNibNamed("DashboardBottomViewCollectionViewCell", owner: self, options: nil)?.first as! DashboardBottomViewCollectionViewCell
self.addSubview(contents)
contentView = contents
contents.itemCollectionView.register(UINib(nibName: nibParameter.DASHBOARD_PURCHASE_NIB, bundle: nil), forCellWithReuseIdentifier:nibParameter.DASHBOARD_PURCHASE_NIB)
contents.itemCollectionView.delegate = self
contents.itemCollectionView.dataSource = self
let flow = contents.itemCollectionView?.collectionViewLayout as! UICollectionViewFlowLayout
flow.minimumInteritemSpacing = CGFloat(self.cellMarginSize)
flow.minimumLineSpacing = CGFloat(self.cellMarginSize)
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
func reloadData() {
contentView?.itemCollectionView.reloadData()
}
}
extension DashboardBottomViewCollectionViewCell: UICollectionViewDataSource {
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return 15
}
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: nibParameter.DASHBOARD_PURCHASE_NIB, for: indexPath) as! RecentPurchaseCollectionViewCell
cell.purchaseLabel.text = "trainers.trainerName"
cell.imageView.sd_setImage(with: URL(string: "trainers.tarinerProfilePictureUrl" != nil ? "trainers.tarinerProfilePictureUrl" : ""), placeholderImage: UIImage.init(named: "tour_placeholder"), options: .handleCookies, completed: nil)
return cell
}
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
let width = 0 + (collectionView.frame.width / 1)
return CGSize(width: width,
height: 100)
}
}
extension DashboardBottomViewCollectionViewCell : UICollectionViewDelegate {
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
dashboardBottomDelegate?.didSelect(tem: indexPath.item)
}
}
Согласно коду, я вижу это:
Я могу видеть collectionView в Footer, но не могу изменить ориентацию на вертикальную вместо вида Grid следующим образом: 
Я застрял и не смог найти подсказки.Любой намек будет заметен.Спасибо