Eureka - Adding an Option to a PushRow

Eureka-Updating-PushRowOptions.swift

import Eureka
import UIKit

// This particular example assumes the view controller is embedded in a navigation controller 
// (but the option can be added any number of ways)

class ViewController: FormViewController {

  var options = ["first", "second"]
  
  var pushRow: PushRow<String>! {
    return form.rowBy(tag: "PushRow") as! PushRow<String>
  }
  
  override func viewDidLoad() {
    super.viewDidLoad()
    
    let button = UIBarButtonItem(title: "Add", style: .plain, target: self, action: #selector(presentAlertWithTextField(_:)))
    navigationItem.rightBarButtonItem = button
    
    // Form
    let section = Section()
    section <<< PushRow<String>("PushRow") {
      $0.title = "Options"
      $0.cellUpdate { cell, row in
        row.options = self.options
      }
    }
    
    form +++ section
  }

  func presentAlertWithTextField(_ sender: Any) {
    
    let alert = UIAlertController(title: "Add Option", message: "Enter Option Below", preferredStyle: .alert)
    
    alert.addTextField()
    
    let alertAction = UIAlertAction(title: "Add to Push Row", style: .default) { [weak self] action in
      
      guard let sself = self,
        let textField = alert.textFields?[0],
        let text = textField.text else {
        return
      }
      
      sself.options.append(text)
      
      sself.pushRow.updateCell()
    }
    
    alert.addAction(alertAction)
    
    navigationController?.present(alert, animated: true)
  }
}