novr
114 lines
2.8 KiB
Swift
114 lines
2.8 KiB
Swift
import UIKit
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protocol HeaderViewDelegate: AnyObject {
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func headerView(_ headerView: HeaderView, didPressDeleteButton deleteButton: UIButton)
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func headerView(_ headerView: HeaderView, didPressCloseButton closeButton: UIButton)
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}
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open class HeaderView: UIView {
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open fileprivate(set) lazy var closeButton: UIButton = { [unowned self] in
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let title = NSAttributedString(
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string: LightboxConfig.CloseButton.text,
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attributes: LightboxConfig.CloseButton.textAttributes)
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let button = UIButton(type: .system)
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button.setAttributedTitle(title, for: UIControl.State())
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if let size = LightboxConfig.CloseButton.size {
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button.frame.size = size
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} else {
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button.sizeToFit()
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}
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button.addTarget(self, action: #selector(closeButtonDidPress(_:)),
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for: .touchUpInside)
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if let image = LightboxConfig.CloseButton.image {
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button.setBackgroundImage(image, for: UIControl.State())
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}
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button.isHidden = !LightboxConfig.CloseButton.enabled
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return button
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}()
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open fileprivate(set) lazy var deleteButton: UIButton = { [unowned self] in
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let title = NSAttributedString(
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string: LightboxConfig.DeleteButton.text,
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attributes: LightboxConfig.DeleteButton.textAttributes)
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let button = UIButton(type: .system)
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button.setAttributedTitle(title, for: .normal)
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if let size = LightboxConfig.DeleteButton.size {
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button.frame.size = size
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} else {
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button.sizeToFit()
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}
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button.addTarget(self, action: #selector(deleteButtonDidPress(_:)),
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for: .touchUpInside)
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if let image = LightboxConfig.DeleteButton.image {
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button.setBackgroundImage(image, for: UIControl.State())
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}
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button.isHidden = !LightboxConfig.DeleteButton.enabled
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return button
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}()
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weak var delegate: HeaderViewDelegate?
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// MARK: - Initializers
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public init() {
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super.init(frame: CGRect.zero)
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backgroundColor = UIColor.clear
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[closeButton, deleteButton].forEach { addSubview($0) }
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}
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public required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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// MARK: - Actions
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@objc func deleteButtonDidPress(_ button: UIButton) {
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delegate?.headerView(self, didPressDeleteButton: button)
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}
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@objc func closeButtonDidPress(_ button: UIButton) {
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delegate?.headerView(self, didPressCloseButton: button)
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}
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}
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// MARK: - LayoutConfigurable
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extension HeaderView: LayoutConfigurable {
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@objc public func configureLayout() {
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let topPadding: CGFloat
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if #available(iOS 11, *) {
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topPadding = safeAreaInsets.top
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} else {
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topPadding = 0
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}
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closeButton.frame.origin = CGPoint(
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x: bounds.width - closeButton.frame.width - 17,
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y: topPadding
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)
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deleteButton.frame.origin = CGPoint(
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x: 17,
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y: topPadding
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)
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}
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}
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