in QuizDemo/QuizDemo/Controllers/SourceViewController.swift [67:76]
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
selectedUrl = textField.text ?? ""
if videoSourceEntities.filter({ $0.urlString == selectedUrl }).count == 0 {
videoSourceEntities.append(SourceEntity(selectedUrl, selectedUrl))
saveData()
sourceEntitiesTableView.reloadData()
}
performSegue(withIdentifier: "toPlayerView", sender: self)
return true
}