Connect UITableView cell to another UITableView - uitableview

Question

I am stucked with my project (written in Swift)
I have a UITableView, with a string which provide ten categories in the table.
The thing that I wanna do, is to select one of these categories touching it, and open a secondTableView with other categories. And, when you press on the secondTableView, open the description of that category.
This is my code, this works to have the first UITableView, but when touching nothing happens.
Now I'd like, for example, when I click "Most important places", it open another tableView with, for example, Empire State Building, Statue of Liberty, and when touching Empire State Building, open a Description page.
import UIKit
class Categories: UIViewController, UITableViewDelegate, UITableViewDataSource {
#IBOutlet var tableView: UITableView!
var MainCategories: [String] = ["Most important places", "Monuments", "Nature", "Churches", "Museums", "Streets", "Zones", "Weather", "Events", "Favourites"]
override func viewDidLoad() {
super.viewDidLoad()
self.tableView.registerClass(UITableViewCell.self, forCellReuseIdentifier: "cell")
}
func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return self.MainCategories.count;
}
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
var cell:UITableViewCell = self.tableView.dequeueReusableCellWithIdentifier("cell") as UITableViewCell
cell.textLabel?.text = self.MainCategories[indexPath.row]
return cell
}
func tableView(tableView: UITableView!, didSelectRowAtIndexPath indexPath: NSIndexPath!) {
}
}
What can I do? And in the storyboard?
Thanks you very much!

Answer 1

So far you have done nothing in didSelectRowAtIndexPath for the second UITableView, it would be easy for you to make use of another viewcontroller which contains the second uitableview and then a third viewcontroller for details.
But if you still want to have 2 uitableviews within same viewcontroller then please follow these steps to achieve the required result.
add another tableview and set its datasource and delegate
you have to add an if-else condition to differntiate between 2 tablieview in delegate and datasource methods, e.g. numberOfRowsInSection, cellForRowAtIndexPath, didSelectRowAtIndexPath, below is an example of the code if you use 2 uitableviews in one uiviewcontroller. you have to do this if-else for other delegate and datasource mehtos as well.
func tableView(tableView: UITableView, numberOfRowsInSection section:Int)->Int {
if tableview == self.tableView {
return self.MainCategories.count
}
else if tableView == subCategoryTableView {
return self.SubCategories.count
}
}
Hope it helps!

Answer 2

I have changed your code, hope this helps
import UIKit
class Categories: UIViewController, UITableViewDelegate, UITableViewDataSource {
#IBOutlet var tableView: UITableView!
**var selectedCategoryId = -1**
var MainCategories: [String] = ["Most important places", "Monuments", "Nature", "Churches", "Museums", "Streets", "Zones", "Weather", "Events", "Favourites"]
override func viewDidLoad() {
super.viewDidLoad()
self.tableView.registerClass(UITableViewCell.self, forCellReuseIdentifier: "cell")
}
func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return self.MainCategories.count;
}
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
var cell:UITableViewCell = self.tableView.dequeueReusableCellWithIdentifier("cell") as UITableViewCell
cell.textLabel?.text = self.MainCategories[indexPath.row]
return cell
}
func tableView(tableView: UITableView!, didSelectRowAtIndexPath indexPath: NSIndexPath!) {
**selectedCategoryId = indexPath.row**
}
func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject!) {
let vc = segue.destinationViewController as YOUR_SECOND_VIEW_CONTROLLER
vc.catId = selectedCategoryId
}
}