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我有幾個問題，請幫助我。如何從單元格觸摸移動pageviewcontroller
我想移動UIPageViewController的viewcontroller，如果我觸摸了didSelectItemAt委託協議上的CollectionViewCell。 請幫助我如何編寫或修改下面的代碼。
謝謝。
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class ListPageViewController: UIViewController, UICollectionViewDelegate, UICollectionViewDataSource {
@IBOutlet weak var openSlideMenuButton: UIBarButtonItem!
@IBOutlet weak var menuCollectionView: UICollectionView!
let menuCell = menuViewCell()
let menuItemNames = ["menu1", "menu2", "menu3", "menu4"]
@IBAction func moveHomeVC(_ sender: UIBarButtonItem) {
self.navigationController?.popToRootViewController(animated: true)
}
override func viewDidLoad() {
super.viewDidLoad()
///////////////////////////////////////////////////////
// Define NavigationBar
self.navigationItem.hidesBackButton = true
self.navigationController?.navigationBar.tintColor = UIColor.black
self.navigationController?.navigationBar.barTintColor = UIColor.white
var nevigatorHeight: CGFloat = 0
nevigatorHeight = (self.navigationController?.navigationBar.frame.size.height)!
//print("Navigation Height : \(nevigatorHeight)")
///////////////////////////////////////////////////////
// Define Menu
menuCollectionView.delegate = self
menuCollectionView.dataSource = self
}
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return menuItemNames.count
}
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "menuCellId", for: indexPath) as! menuViewCell
cell.menuLabel.text = menuItemNames[indexPath.row]
return cell
}
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
//print("This page number is \(rootPage.viewControllerList.index(of: viewController)!).")
}
}
[PageView]
import UIKit
class RootPageViewController: UIPageViewController, UIPageViewControllerDataSource, UIPageViewControllerDelegate {
lazy var viewControllerList: [UIViewController] = {
let sb = UIStoryboard(name: "Main", bundle: nil)
let vc1 = sb.instantiateViewController(withIdentifier: "RedVC")
let vc2 = sb.instantiateViewController(withIdentifier: "BlueVC")
let vc3 = sb.instantiateViewController(withIdentifier: "YellowVC")
let vc4 = sb.instantiateViewController(withIdentifier: "GrayVC")
return [vc1, vc2, vc3, vc4]
}()
override func viewDidLoad() {
super.viewDidLoad()
self.dataSource = self
self.delegate = self
if let firstViewController = viewControllerList.last {
self.setViewControllers([firstViewController], direction: .forward, animated: true, completion: nil)
}
}
func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
let currentPage = viewControllerList.index(of: viewController)
print("This page number is \(currentPage!) on your before gesture.")
guard let vcIndex = currentPage else { return nil }
let previousIndex = vcIndex - 1
guard previousIndex >= 0 else { return nil }
guard viewControllerList.count > previousIndex else { return nil }
return viewControllerList[previousIndex]
}
func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
let currentPage = viewControllerList.index(of: viewController)
print("This page number is \(currentPage!) on your after gesture. ")
guard let vcIndex = currentPage else { return nil }
let nextIndex = vcIndex + 1
guard viewControllerList.count != nextIndex else { return nil }
guard viewControllerList.count > nextIndex else { return nil }
return viewControllerList[nextIndex]
}
}
