How to get the indexpath.row when an element is activated?

Question

I have a tableview with buttons and I want to use the indexpath.row when one of them is tapped. This is what I currently have, but it always is 0

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Answer 1

Swift 4 and 5

Method 1 using Protocol delegate

For example, you have a UITableViewCell with name MyCell

class MyCell: UITableViewCell {
    
    var delegate:MyCellDelegate!
    
    @IBAction private func myAction(_ sender: UIButton){
        delegate.didPressButton(cell: self)
    }
}

Now create a protocol

protocol MyCellDelegate {
    func didPressButton(cell: UITableViewCell)
}

Next step, create an Extension of UITableView

extension UITableView {
    func returnIndexPath(cell: UITableViewCell) -> IndexPath?{
        guard let indexPath = self.indexPath(for: cell) else {
            return nil
        }
        return indexPath
    }
}

In your UIViewController implement the protocol MyCellDelegate

class ViewController: UIViewController, MyCellDelegate {
     
    func didPressButton(cell: UITableViewCell) {
        if let indexpath = self.myTableView.returnIndexPath(cell: cell) {
              print(indexpath)
        }
    }
}

Method 2 using closures

In UIViewController

override func viewDidLoad() {
        super.viewDidLoad()
       //using the same `UITableView extension` get the IndexPath here
        didPressButton = { cell in
            if let indexpath = self.myTableView.returnIndexPath(cell: cell) {
                  print(indexpath)
            }
        }
    }

 var didPressButton: ((UITableViewCell) -> Void)

class MyCell: UITableViewCell {

    @IBAction private func myAction(_ sender: UIButton){
        didPressButton(self)
    }
}

Note:- if you want to get UICollectionView indexPath you can use this UICollectionView extension and repeat the above steps

extension UICollectionView {
    func returnIndexPath(cell: UICollectionViewCell) -> IndexPath?{
        guard let indexPath = self.indexPath(for: cell) else {
            return nil
        }
        return indexPath
    }
}