Proceed to different view controllers based on boolean value - ios

Question

When a table cell is selected, I am trying to proceed to a view controller if the value of a boolean is true, else (if it is false), proceed to a different view controller. Any help would be great!
(The boolean is isAdmin and if true proceed to eventViewController, else proceed to UserEventTableViewController)
link to project:
https://www.dropbox.com/s/1d4d8opuxzpcuk4/TicketekApp.zip?dl=0
Code:
import UIKit
class EventTableViewController: UITableViewController {
// MARK: Properties
var events = [Event]()
var isAdmin = false
override func viewDidLoad() {
super.viewDidLoad()
// Use the edit button item provided by the table view controller.
navigationItem.leftBarButtonItem = editButtonItem()
// Load any saved events, otherwise load sample data.
if let savedEvents = loadEvents() {
events += savedEvents
} else {
// Load the sample data.
loadSampleEvents()
}
}
func loadSampleEvents() {
let photo1 = UIImage(named: "event1")!
let event1 = Event(name: "ACDC", photo: photo1, rating: 4, price: 500.0, eventDescription: "Album", album: "Album1")!
let photo2 = UIImage(named: "event2")!
let event2 = Event(name: "Cold Play", photo: photo2, rating: 5, price: 500.0, eventDescription: "Album", album: "Album1")!
let photo3 = UIImage(named: "event3")!
let event3 = Event(name: "One Direction", photo: photo3, rating: 3, price: 500.0, eventDescription: "Album", album: "Album1")!
events += [event1, event2, event3]
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
// MARK: - Table view data source
override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return events.count
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
// Table view cells are reused and should be dequeued using a cell identifier.
let cellIdentifier = "EventTableViewCell"
let cell = tableView.dequeueReusableCellWithIdentifier(cellIdentifier, forIndexPath: indexPath) as! EventTableViewCell
// Fetches the appropriate event for the data source layout.
let event = events[indexPath.row]
cell.nameLabel.text = event.name
cell.photoImageView.image = event.photo
cell.ratingControl.rating = event.rating
cell.priceLabel.text = event.album
return cell
}
// Override to support conditional editing of the table view.
override func tableView(tableView: UITableView, canEditRowAtIndexPath indexPath: NSIndexPath) -> Bool {
// Return false if you do not want item to be editable.
return true
}
// Override to support editing the table view.
override func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {
if editingStyle == .Delete {
// Delete the row from the data source
events.removeAtIndex(indexPath.row)
saveEvents()
tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Fade)
} else if editingStyle == .Insert {
// Create new instance of class, add to the array, and add a new row to the table
}
}
/*
// Override to support rearranging the table view.
override func tableView(tableView: UITableView, moveRowAtIndexPath fromIndexPath: NSIndexPath, toIndexPath: NSIndexPath) {
}
*/
/*
// Override to support conditional rearranging of the table view.
override func tableView(tableView: UITableView, canMoveRowAtIndexPath indexPath: NSIndexPath) -> Bool {
// Return false if you do not want the item to be re-orderable.
return true
}
*/
// MARK: - Navigation
// preparation before navigation
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
if segue.identifier == "ShowDetail" {
let eventDetailViewController = segue.destinationViewController as! EventViewController
// Get the cell that generated this segue.
if let selectedEventCell = sender as? EventTableViewCell {
let indexPath = tableView.indexPathForCell(selectedEventCell)!
let selectedEvent = events[indexPath.row]
eventDetailViewController.event = selectedEvent
print(selectedEventCell)
}
}
else if segue.identifier == "AddItem" {
print("Adding new event.")
}
}
#IBAction func unwindToMealList(sender: UIStoryboardSegue) {
if let sourceViewController = sender.sourceViewController as? EventViewController, event = sourceViewController.event {
if let selectedIndexPath = tableView.indexPathForSelectedRow {
// Update an existing event.
events[selectedIndexPath.row] = event
tableView.reloadRowsAtIndexPaths([selectedIndexPath], withRowAnimation: .None)
} else {
// Add a new event.
let newIndexPath = NSIndexPath(forRow: events.count, inSection: 0)
events.append(event)
tableView.insertRowsAtIndexPaths([newIndexPath], withRowAnimation: .Bottom)
}
// Save the events.
saveEvents()
}
}
// MARK: NSCoding
func saveEvents() {
let isSuccessfulSave = NSKeyedArchiver.archiveRootObject(events, toFile: Event.ArchiveURL.path!)
if !isSuccessfulSave {
print("Failed to save events...")
}
}
func loadEvents() -> [Event]? {
return NSKeyedUnarchiver.unarchiveObjectWithFile(Event.ArchiveURL.path!) as? [Event]
}
}

Answer 1

You have to implement the tableView delegate method didSelectRowAtIndexPath.
example as follows:
override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
let index = self.tableView.indexPathForSelectedRow?.row
//use the index to know which cell you selected
//check for your condition here something like
if isAdmin {
performSegueWithIdentifier("eventViewControllerSegue", sender: self)
} else {
performSegueWithIdentifier("userEventTableViewControllerSegue", sender: self)
}
}
note the following:
In your story board, draw segues to the different view controllers and assign the segue ID respectively.
In your code you are not changing the value of isAdmin boolean. Check that too.
Regards.
Image on how to segue from ViewController for your reference

Answer 2

I believe you can accomplish what you are seeking by using tableView:didSelectRowAtIndexPath: from the UITableViewDelegate protocol.
Add this to your view controller
func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
and handle your logic within that function.
When you are ready to go to the next view controller, use
performSegueWithIdentifier(identifier: String, sender: AnyObject?)
Here is an example:
if isAdmin {
performSegueWithIdentifier(identifier: "segueToAdminView", sender: self)
} else {
performSegueWithIdentifier(identifier: "segueToUserEventView", sender: self)
}