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

// CustomCell.swift

protocol CustomCellDelegate {
    func tapDeleteButton(at cell: CustomCell)
}

class CustomCell: UICollectionViewCell {
    
    var delegate: CustomCellDelegate?
    
    fileprivate let deleteButton: UIButton = {
        let button = UIButton(frame: .zero)
        button.setImage(UIImage(named: "delete"), for: .normal)
        button.addTarget(self, action: #selector(deleteButtonTapped(_:)), for: .touchUpInside)
        button.translatesAutoresizingMaskIntoConstraints = false
        return button
    }()
    
    @objc fileprivate func deleteButtonTapped(_sender: UIButton) {
        delegate?.tapDeleteButton(at: self)
    }
    
}

//  ViewController.swift

extension ViewController: UICollectionViewDataSource {

    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        guard let cell = collectionView.dequeueReusableCell(withReuseIdentifier: customCellIdentifier, for: indexPath) as? CustomCell else {
            fatalError("Unexpected cell instead of CustomCell")
        }
        cell.delegate = self
        return cell
    }

}

extension ViewController: CustomCellDelegate {

    func tapDeleteButton(at cell: CustomCell) {
        // Here we get the indexPath of the cell what we tapped on.
        let indexPath = collectionView.indexPath(for: cell)
    }

}