article-buttoncomponents5.swift

extension UIButton {
    func apply(style: ButtonStyle) {
        backgroundColor = nil

        titleLabel?.font = style.font
        contentEdgeInsets = style.insets

        setTitleColor(style.enabled.foreground, for: .normal)
        setTitleColor(style.highlighted.foreground, for: .highlighted)
        setTitleColor(style.disabled.foreground, for: .disabled)

        setBackgroundImage(style.enabled.background, for: .normal)
        setBackgroundImage(style.highlighted.background, for: .highlighted)
        setBackgroundImage(style.disabled.background, for: .disabled)
    }
}