Trouble passing the data from multiple selected tableview cells initially populated from Realm into another VC tableview. Swift - ios

Question

I have been at this for a few days now, what I am trying to do is to be able to select 5 cells (previous populated by a realm database). Any help on this would be really appreciated.
Thanks Mark
The following is my current code as is relates to the Segue to pass the data. I think I have edited the code down to the key elements. Let me know if you need any other information.
Edits Made - based on the suggestion made below. I took a step back and approached the problem differently, and developed a solution. I have updated the code below to reflect my working solution. Hope this helps someone else in the future. Cheers Mark
Primary VC
import UIKit
import RealmSwift
class ExercisesSelectionTimed: UITableViewController{
var realm = try! Realm()
var exercises : Results<ExercisesModel>?
#IBOutlet weak var tableview: UITableView!
override func viewDidLoad() {
super.viewDidLoad()
//populates the Realm Data with the default list
exercises = realm.objects(ExercisesModel.self)
tableView.allowsMultipleSelection = true
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return exercises?.count ?? 0
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "ExercisesAddedTableViewCell", for: indexPath) as! ExercisesAddedTableViewCell
// get the specific exercise in the array
let exercise = exercises?[indexPath.row]
cell.exercisenameLabel.text = exercise?.name
cell.equipmentnameLabel.text = exercise?.equipment
return cell
}
private func registerTableViewCells() {
let textFieldCell = UINib(nibName: "ExercisesAddedTableViewCell",bundle: nil)
self.tableview.register(textFieldCell,forCellReuseIdentifier: "ExercisesAddedTableViewCell")
}
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
switch (timerSelected) {
case "FGB":
//User needs to select 5 exercises to populate the FGB timer on the next VC
if let selectedRows = tableView.indexPathsForSelectedRows {
//lets the user select 5 cells
if selectedRows.count == 5 {
performSegue(withIdentifier: K.FGB, sender: self)
}
}
default : print ("error")
}
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
switch (timerSelected) {
case "FGB":
if let selectedRows = tableView.indexPathsForSelectedRows {
let selected = selectedRows.map{exercises?[$0.row]}
let destinationVC = segue.destination as! FBGTimerVCTable
destinationVC.selectedExercise = selected
}
default : print ("error")
}
}
}//last bracket in Class
The target for the data
import UIKit
import RealmSwift
class FBGTimerVCTable: HeartRateMonitorBrain{
var realm = try! Realm()
var selectedExercise = [ExercisesModel?]()
#IBOutlet weak var tableview: UITableView!
override func viewDidLoad() {
super.viewDidLoad()
}
}//last bracket in Class
extension FBGTimerVCTable: UITableViewDataSource{
//setup tableview
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return 5
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "ExercisesAddedTableViewCell", for: indexPath) as! ExercisesAddedTableViewCell
//get the specific 5 exercises selected in the ExercisesSelectionTimed VC
cell.exercisenameLabel.text = selectedExercise[indexPath.row]?.name
cell.equipmentnameLabel.text = selectedExercise[indexPath.row]?.equipment
return cell
}
private func registerTableViewCells() {
let textFieldCell = UINib(nibName: "ExercisesAddedTableViewCell",bundle: nil)
self.tableview.register(textFieldCell,forCellReuseIdentifier: "ExercisesAddedTableViewCell")
}
}//last bracket in Class Extension
Realm
import RealmSwift
class ExercisesModel : Object {
#objc dynamic var name : String = ""
#objc dynamic var equipment : String = ""
}