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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
import UIKit
/// Deprecated base button class that use content, image and title edge insets.
/// Should be replaced gradually with ``ResizableButton``, using UIButton.Configuration instead.
@available(*, deprecated, renamed: "ResizableButton",
message: "Should be replaced with ResizableButton, using UIButton.Configuration")
open class LegacyResizableButton: UIButton {
public struct UX {
public static let buttonEdgeSpacing: CGFloat = 8
}
public var buttonEdgeSpacing: CGFloat = UX.buttonEdgeSpacing {
didSet {
contentEdgeInsets = UIEdgeInsets(top: 0,
left: buttonEdgeSpacing,
bottom: 0,
right: buttonEdgeSpacing)
}
}
override public init(frame: CGRect) {
super.init(frame: frame)
commonInit()
}
public required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
fatalError("init(coder:) has not been implemented")
}
func commonInit() {
titleLabel?.numberOfLines = 0
titleLabel?.adjustsFontForContentSizeCategory = true
titleLabel?.lineBreakMode = .byWordWrapping
adjustsImageSizeForAccessibilityContentSizeCategory = true
contentEdgeInsets = UIEdgeInsets(top: 0,
left: buttonEdgeSpacing,
bottom: 0,
right: buttonEdgeSpacing)
}
override public var intrinsicContentSize: CGSize {
guard let title = titleLabel else {
return super.intrinsicContentSize
}
let widthTitleInset = titleEdgeInsets.left + titleEdgeInsets.right
let widthImageInset = imageEdgeInsets.left + imageEdgeInsets.right
let widthContentInset = contentEdgeInsets.left + contentEdgeInsets.right
var availableWidth = frame.width - widthTitleInset - widthImageInset - widthContentInset
if let imageWidth = image(for: [])?.size.width {
availableWidth = availableWidth - imageWidth
}
let size = title.sizeThatFits(CGSize(width: availableWidth, height: .greatestFiniteMagnitude))
return CGSize(width: size.width + widthContentInset,
height: size.height + contentEdgeInsets.top + contentEdgeInsets.bottom)
}
override public func layoutSubviews() {
super.layoutSubviews()
guard let title = titleLabel else { return }
titleLabel?.preferredMaxLayoutWidth = title.frame.size.width
}
}