@IBOutlet weak var popupButton: NSPopUpButton!

@IBOutlet weak var contentView: NSView!

weak var savePanel: NSSavePanel?

override init(frame frameRect: NSRect) {

super.init(frame: frameRect)

setup()

}

required init?(coder decoder: NSCoder) {

super.init(coder: decoder)

setup()

}

private func setup() {

let bundle = Bundle(for: type(of: self))

let nib = NSNib(nibNamed: .init(String(describing: type(of: self))), bundle: bundle)!

nib.instantiate(withOwner: self, topLevelObjects: nil)

addSubview(contentView)

contentView.frame = self.bounds

contentView.autoresizingMask = [.width, .height]

}

@IBAction func formatChange(_ sender: NSPopUpButton) {

savePanel?.allowedFileTypes = [sender.indexOfSelectedItem == 0 ? "theme" : "css"]

}