How to Identify Delegating Object

Question

I am using delegation and am using the same class in two different ways.

    protocol ColorSwitchDelegate {
        func colorSwitched(picker: ColorSwitch, color: ColorChoice)
    }

    class ColorSwitch: UIView {    
        var delegate: ColorSwitchDelegate?

    func doSomething() {
    delegate?.colorSwitched(picker: self, color: color)
    }
    }

    class SettingsViewController: UIViewController, ColorSwitchDelegate {

    @IBOutlet weak var myView1: ColorSwitch!
    @IBOutlet weak var myView2: ColorSwitch!

    func viewWillAppear(_ animated: Bool) {

     myView1.delegate = self
     myView2.delegate = self
    }



  func colorSwitched(picker: ColorSwitch, color: ColorChoice) {
            // I want to find out if myView1 or myView2 is the delegating object
    }
    }

I want to identify which view (myView1 or myView2) is the delegator. I could add a tag in the ColorSwitch class but this seems inelegant. Is there a better way?

Answer 1

You can directly check in colorSwitched using identity opeartor === which test whether two object references both refer to the same object instance.

func colorSwitched(picker: ColorSwitch, color: ColorChoice) {
   if picker === self.myView1 { 

     //myView1
    } else {

     //myView2

    } 

}