/*

See LICENSE folder for this sample’s licensing information.

Abstract:

View controller demonstrating accessibility provided by AppKit for NSButton.

*/

import Cocoa

class CustomCheckBoxViewController: NSViewController {

    // MARK: - View Controller Lifecycle

    @IBOutlet var currentValueLabel: NSTextField!

    @IBOutlet var customCheckbox: CustomCheckBoxView!

    override func viewDidLoad() {

        super.viewDidLoad()

        // Allow the CustomCheckBoxView to call our own action function.

        customCheckbox.actionHandler = { self.changeCheckBoxValue(self) }

    }

    func changeCheckBoxValue(_ sender: Any) {

        currentValueLabel.stringValue = NSString(format: "(State = %@)", customCheckbox.checked ? "checked" : "unchecked") as String

    }

}