tags

protocol TagView {
    var view: UIView { get }
}

protocol ViewConvertible {
    func getView() -> UIView
}

struct ViewModel<T: ViewConvertible>: TagView {

    let data: T
    let view: UIView

    init(data: T) {
        self.data = data
        self.view = data.getView()
    }
}

extension Bool: ViewConvertible {
    func getView() -> UIView {
        let view = UIView(frame: CGRectMake(0, 0, 100, 100))
        view.backgroundColor = self ? UIColor.redColor() : UIColor.blueColor()
        return view
    }
}

extension String: ViewConvertible {
    func getView() -> UIView {
        let view = UIView(frame: CGRectMake(0, 0, 100, 100))
        view.backgroundColor = UIColor.blackColor()
        return view
    }
}


class ViewContainer: UIView {

    var tagViews = [TagView]()

    func add(tagView: TagView) {
        let view = tagView.view
        if let lastView = tagViews.last {
            view.frame.origin.x = lastView.view.frame.origin.x + lastView.view.frame.size.width
        }
        tagViews.append(tagView)
        addSubview(view)
    }
}


let container = ViewContainer(frame: CGRectMake(0, 0, 400, 100))
container.add(ViewModel(data: true))
container.add(ViewModel(data: "Hello"))
container.add(ViewModel(data: false))
container.add(ViewModel(data: true))