How to detect which table cell is clicked in swift 2 - ios

Question

I am developing app which users will choose one of the two pictures in one cell. My prototype cell looks like :
How can I detect when the user presses the vote button which cell is selected ?
My tableView Code :
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cellIdentifier = "NewTableViewCell"
let cell = tableView.dequeueReusableCellWithIdentifier(cellIdentifier, forIndexPath: indexPath) as! NewTableViewCell
//For left image
if let url:NSURL? = NSURL(string: self.polls[indexPath.row].poll_photo1 ){
cell.leftImage.sd_setImageWithURL(url)
}
//For right image
if let url:NSURL? = NSURL(string: self.polls[indexPath.row].poll_photo2 ){
cell.rightImage.sd_setImageWithURL(url)
}
//For user picture
if let url:NSURL? = NSURL(string: self.polls[indexPath.row].users[0].user_photo ){
cell.userPicture.sd_setImageWithURL(url)
}
// gets username and text
cell.userName.text=self.polls[indexPath.row].users[0].user_name
cell.description.text = self.polls[indexPath.row].poll_textfield
return cell
}
My web API:

Answer 1

I am assuming that your custom table view cell NewTableViewCell is having an outlet for your vote button.
Just tag your voteButton with indexPath.row and fetch the tag in its target function as shown below. You will get to know which cell's voteButton was tapped when you press your Vote Button
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("NewTableViewCell") as! NewTableViewCell
//Tagging with indexPath.row
cell.voteLeftButton.tag = indexPath.row
cell.voteRightButton.tag = indexPath.row
//This is the latest Swift 2.2 syntax for selector. If you are using the older version of Swift, Kindly check the selector syntax and make changes accordingly
cell.voteLeftButton.addTarget(self, action: #selector(voteLeftButtonPressed), forControlEvents: .TouchUpInside)
cell.voteRightButton.addTarget(self, action: #selector(voteRightButtonPressed), forControlEvents: .TouchUpInside)
return cell
}
func voteLeftButtonPressed(sender:UIButton){
print("Left Button Table cell clicked is \(sender.tag)")
}
func voteRightButtonPressed(sender:UIButton){
print("Right Button Table cell clicked is \(sender.tag)")
}

Answer 2

Add target/action to your button in cell configure method like this:
let tap : UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(YourController.tapAction(_:)))
Then implement tapAction method
func tapAction(sender : UITapGestureRecognizer)
{
if sender.state != UIGestureRecognizerState.Ended
{
return
}
let btn = sender.view as! UIButton
let pointTo : CGPoint = CGRectOffset(btn.bounds, btn.frame.size.width/2, btn.frame.size.height/2).origin;
let buttonPosition : CGPoint = btn.convertPoint(pointTo, toView: self.tableView)
let indexPath = self.tableView.indexPathForRowAtPoint(buttonPosition)
...
}