Get indexPath of UITextField in UITableViewCell with Swift

Question

So, I\'m building a Detail View Controller App that presents a Table with a two-part cell: the label and the Text Field.

I\'m trying to retrieve the Text Field value and

Answer 1

Using superview and typecasting isn't a preferred aaproach. The best practice is to use delegate pattern. If you have a textField in DemoTableViewCell which you are using in DemoTableViewController make a protocol DemoTableViewCellDelegate and assign delegate of DemoTableViewCell to DemoTableViewController so that viewcontroller is notified when eiditing ends in textfield.

protocol DemoTableViewCellDelegate: class {
  func didEndEditing(onCell cell: DemoTableViewCell)
}

class DemoTableViewCell: UITableViewCell {
  @IBOutlet var textField: UITextField!

  weak var delegate: DemoTableViewCellDelegate?

  override func awakeFromNib() {
    super.awakeFromNib()
    textField.delegate = self
  }
}

extension DemoTableViewCell: UITextFieldDelegate {
  func textFieldDidEndEditing(_ textField: UITextField) {
    delegate.didEndEditing(onCell: self)
  }
}

class DemoTableViewController: UITableViewController {

  override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { 
    let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: DemoTableViewCell.self, for: indexPath)
    cell.delegate = self
    return cell
  }

}

extension DemoTableViewController: DemoTableViewCellDelegate {
  func didEndEditing(onCell cell: DemoTableViewCell) {
    //Indexpath for the cell in which editing have ended.
    //Now do whatever you want to do with the text and indexpath.
    let indexPath = tableView.indexPath(for: cell)
    let text = cell.textField.text
  }
}