我正在使用CollectionView构建一个菜单，并以编程方式尝试附加5个按钮。我无法弄清楚如何将按钮连接到segues。这些按钮激活容器视图，然后在该视图中切换内容。这是我到目前为止所拥有的MenuContainerViewController，它嵌入在MainMenuViewController中。任何帮助将不胜感激。
import UIKit
class MenuContainerViewController: UIViewController {
var firstVC: MainMenuViewController?
enum SegueIdentifier: String {
case SegueToTravelViewIdentifier = "SegueToTravelViewIdentifier"
case SegueToHistoryViewIdentifier = "SegueToHistoryViewIdentifier"
case SegueToLimitsViewIdentifier = "SegueToLimitsViewIdentifier"
case SegueToBalanceViewIdentifier = "SegueToBalanceViewIdentifier"
case SegueToEditViewIdentifier = "SegueToEditViewIdentifier"
case SegueToHelpViewIdentifier = "SegueToHelpViewIdentifier"
init?(optionalRawValue: String?) {
if let value = optionalRawValue {
switch value {
case "SegueToTravelViewIdentifier": self = .SegueToTravelViewIdentifier
case "SegueToHistoryViewIdentifier": self = .SegueToHistoryViewIdentifier
case "SegueToLimitsViewIdentifier": self = .SegueToLimitsViewIdentifier
case "SegueToBalanceViewIdentifier": self = .SegueToBalanceViewIdentifier
case "SegueToEditViewIdentifier": self = .SegueToEditViewIdentifier
case "SegueToHelpViewIdentifier": self = .SegueToHelpViewIdentifier
default: return nil
}
}
return nil
}
}
var vc : UIViewController!
var segueIdentifier : String!
var lastViewController: UIViewController!
override func viewDidLoad() {
super.viewDidLoad()
segueIdentifierReceivedFromParent("mainButton")
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func segueIdentifierReceivedFromParent(button: String){
if button == "mainButton"
{
self.segueIdentifier = "main"
self.performSegueWithIdentifier(self.segueIdentifier, sender: nil)
}
else if button == "travelButton"
{
self.segueIdentifier = "travel"
self.performSegueWithIdentifier(self.segueIdentifier, sender: nil)
}
else if button == "balanceButton"
{
self.segueIdentifier = "balance"
self.performSegueWithIdentifier(self.segueIdentifier, sender: nil)
}
else if button == "limitsButton"
{
self.segueIdentifier = "limits"
self.performSegueWithIdentifier(self.segueIdentifier, sender: nil)
}
else if button == "historyButton"
{
self.segueIdentifier = "history"
self.performSegueWithIdentifier(self.segueIdentifier, sender: nil)
}
else if button == "helpButton"
{
self.segueIdentifier = "help"
self.performSegueWithIdentifier(self.segueIdentifier, sender: nil)
}
}
/*
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
if segue.identifier == segueIdentifier{
if lastViewController != nil{
lastViewController.view.removeFromSuperview()
}
vc = segue.destinationViewController
self.addChildViewController(vc)
vc.view.frame = CGRect(x: 0,y: 0, width: self.view.frame.width,height: self.view.frame.height)
self.view.addSubview(vc.view)
vc.didMoveToParentViewController(self)
lastViewController = vc
}
}
*/
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
if let segueIdentifierValue = SegueIdentifier(rawValue: segue.identifier!) {
if lastViewController != nil {
lastViewController.view.removeFromSuperview()
}
vc = segue.destinationViewController
self.addChildViewController(vc)
vc.didMoveToParentViewController(self)
lastViewController = vc
switch segueIdentifierValue {
case .SegueToTravelViewIdentifier:
print("travel")
case .SegueToHistoryViewIdentifier:
print("history")
case .SegueToLimitsViewIdentifier:
print("limits")
case .SegueToBalanceViewIdentifier:
print("balance")
case .SegueToEditViewIdentifier:
print("edit")
case .SegueToHelpViewIdentifier:
print("help")
}
}
}
}
这是MainMenuViewController：
class MainMenuViewController: UIViewController, UICollectionViewDelegateFlowLayout, UICollectionViewDataSource, UICollectionViewDelegate {
//Container View
@IBOutlet weak var contain: UIView!
//Slide Menu Collection View
let reuseIdentifier = "cell"
var menus = Array<String>()
var containerView: MenuContainerViewController?
@IBOutlet weak var collectionView: UICollectionView!
@IBAction func menuButtonPressed(sender: AnyObject) {
self.performSegueWithIdentifier("travel", sender: nil)
}
override func viewDidLoad() {
super.viewDidLoad()
//Button names
menus = ["button_instore", "button_atm", "button_online", "button_travel", "button_balance", "button_limits", "button_history", "button_edit", "button_help"]
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
@IBAction func travel(sender: AnyObject) {
containerView!.segueIdentifierReceivedFromParent("travelButton")
}
@IBAction func balance(sender: AnyObject) {
containerView!.segueIdentifierReceivedFromParent("balanceButton")
}
@IBAction func limits(sender: AnyObject) {
containerView!.segueIdentifierReceivedFromParent("limitsButton")
}
@IBAction func history(sender: AnyObject) {
containerView!.segueIdentifierReceivedFromParent("historyButton")
}
@IBAction func help(sender: AnyObject) {
containerView!.segueIdentifierReceivedFromParent("helpButton")
}
@IBAction func main(sender: AnyObject) {
containerView!.segueIdentifierReceivedFromParent("mainButton")
}
/*override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
if segue.identifier == "container"{
containerView = segue.destinationViewController as? MenuContainerViewController
}
}
* /
override func viewDidAppear(animated: Bool) {
super.viewDidAppear(animated)
self.navigationController?.navigationBar.translucent = true
}
func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return self.menus.count
}
func numberOfSectionsInCollectionView(collectionView: UICollectionView) -> Int {
return 1
}
/*
func MenuContainerViewController(sender : UIButton) {
let selectedButtonCell = sender.superview as! UICollectionViewCell
let indexPath = collectionView.indexPathForCell(selectedButtonCell)
if indexPath!.row == 0 {
}
}
*/
func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCellWithReuseIdentifier(reuseIdentifier, forIndexPath: indexPath) as! CollectionViewCell
//cell.menuLabel.text = self.menus[indexPath.item]
cell.menuButton?.image = UIImage(named: menus[indexPath.row])
cell.menuButtonPressed.tag = indexPath.row
//cell.menuButtonPressed.addTarget(self, action: #selector(MenuContainerViewController), forControlEvents: UIControlEvents.TouchUpInside)
return cell
}
func collectionView(collectionView: UICollectionView, didSelectItemAtIndexPath indexPath: NSIndexPath) {
print("You selected cell #\(indexPath.item)!")
}
}