/*

 Copyright (C) 2016 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 A basic model class representation that contains the actual image data and some meta data about the image.

*/

import Cocoa

class Photo : NSObject, NSCoding {

    var title = ""

    var image: NSImage?

    /// Initialize a Photo object with no title and no image

    override init() {

    }

    /// Initialize a Photo object with a particular title and image

    init(title: String, image: NSImage) {

        self.title = title

        self.image = image

    }

    required init?(coder: NSCoder) {

        precondition(coder.allowsKeyedCoding, "Non-keyed coding is not supported")

        if let title = coder.decodeObject(forKey: "PhotoTitle") as? String {

            self.title = title

        }

        self.image = coder.decodeObject(forKey: "PhotoImage") as? NSImage

    }

    func encode(with coder: NSCoder) {

        precondition(coder.allowsKeyedCoding, "Non-keyed coding is not supported")

        coder.encode(title, forKey: "PhotoTitle")

        coder.encode(image, forKey: "PhotoImage")

    }

}