/*

 Copyright (C) 2018 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Implements the UI of a calculator. Calls the Calculator class to implement the

         associated operation when pressing a character in the calculator.

*/

import Cocoa

import CalculatorKit

class CalcViewController: NSViewController {

    // MARK: - Properties

    @IBOutlet var display: NSTextField!

    var calculator = Calculator()

    // MARK: - View Life Cycle

    override func viewDidLoad() {

        super.viewDidLoad()

    }

     // MARK: - Handle Pressed Character

    @IBAction func press(_ sender: NSButton) {

        do {

            try calculator.input(sender.title)

            display.stringValue = calculator.displayValue

        } catch let error {

            print("\(error.localizedDescription)")

        }

    }

}