289 lines
11 KiB
Swift
289 lines
11 KiB
Swift
//
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// TooltipAlertViewController.swift
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// VDS
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//
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// Created by Matt Bruce on 4/14/23.
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//
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import Foundation
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import UIKit
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import Combine
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import VDSColorTokens
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open class TooltipAlertViewController: UIViewController, Surfaceable {
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/// Set of Subscribers for any Publishers for this Control
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public var subscribers = Set<AnyCancellable>()
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//--------------------------------------------------
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// MARK: - Private Properties
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//--------------------------------------------------
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private var onClickSubscriber: AnyCancellable? {
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willSet {
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if let onClickSubscriber {
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onClickSubscriber.cancel()
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}
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}
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}
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private let tooltipDialog = TooltipDialog()
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//--------------------------------------------------
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// MARK: - Public Properties
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//--------------------------------------------------
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open var surface: Surface = .light { didSet { updateView() }}
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open var titleText: String? { didSet { updateView() }}
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open var contentText: String? { didSet { updateView() }}
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open var contentView: UIView? { didSet { updateView() }}
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open var closeButtonText: String = "Close" { didSet { updateView() }}
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//--------------------------------------------------
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// MARK: - Configuration
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//--------------------------------------------------
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private let backgroundColorConfiguration = SurfaceColorConfiguration(VDSColor.backgroundPrimaryDark, VDSColor.backgroundPrimaryLight)
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//--------------------------------------------------
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// MARK: - Lifecycle
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//--------------------------------------------------
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open override func viewDidLoad() {
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super.viewDidLoad()
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isModalInPresentation = true
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setup()
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}
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open func setup() {
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//left-right swipe
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view.publisher(for: UISwipeGestureRecognizer().with{ $0.direction = .right })
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.sink { [weak self] swipe in
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guard let self else { return }
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self.dismiss(animated: true, completion: nil)
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}.store(in: &subscribers)
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//tapping in background
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view.publisher(for: UITapGestureRecognizer().with{ $0.numberOfTapsRequired = 1 })
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.sink { [weak self] swipe in
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guard let self else { return }
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self.dismiss(animated: true, completion: nil)
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}.store(in: &subscribers)
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//clicking button
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onClickSubscriber = tooltipDialog.closeButton.publisher(for: .touchUpInside)
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.sink {[weak self] button in
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guard let self else { return }
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self.dismiss(animated: true, completion: nil)
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}
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view.addSubview(tooltipDialog)
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// Activate constraints
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NSLayoutConstraint.activate([
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// Constraints for the floating modal view
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tooltipDialog.centerXAnchor.constraint(equalTo: view.centerXAnchor),
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tooltipDialog.centerYAnchor.constraint(equalTo: view.centerYAnchor),
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tooltipDialog.leadingAnchor.constraint(greaterThanOrEqualTo: view.leadingAnchor),
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tooltipDialog.trailingAnchor.constraint(lessThanOrEqualTo: view.trailingAnchor),
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tooltipDialog.topAnchor.constraint(greaterThanOrEqualTo: view.topAnchor),
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tooltipDialog.bottomAnchor.constraint(lessThanOrEqualTo: view.bottomAnchor)
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])
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}
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open func updateView() {
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view.backgroundColor = backgroundColorConfiguration.getColor(self).withAlphaComponent(0.3)
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tooltipDialog.surface = surface
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tooltipDialog.titleText = titleText
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tooltipDialog.contentText = contentText
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tooltipDialog.contentView = contentView
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}
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}
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open class TooltipDialog: View, UIScrollViewDelegate {
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private var scrollView = UIScrollView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.backgroundColor = .clear
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}
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private let contentStackView = UIStackView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.axis = .vertical
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$0.distribution = .fillProportionally
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$0.spacing = 0
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}
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private var line = Line().with { instance in
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instance.lineViewColorConfiguration = SurfaceColorConfiguration(VDSColor.elementsLowcontrastOnlight, VDSColor.elementsLowcontrastOndark).eraseToAnyColorable()
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}
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//--------------------------------------------------
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// MARK: - Public Properties
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//--------------------------------------------------
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open var titleText: String? { didSet { setNeedsUpdate() }}
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open var titleLabel = Label().with { label in
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label.textStyle = .boldTitleMedium
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}
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open var contentText: String? { didSet { setNeedsUpdate() }}
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open var contentLabel = Label().with { label in
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label.textStyle = .bodyLarge
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}
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open var contentView: UIView? = nil
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open var closeButtonText: String = "Close" { didSet { setNeedsUpdate() }}
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open lazy var closeButton: UIButton = {
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let button = UIButton(type: .system)
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button.backgroundColor = .clear
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button.setTitle("Close", for: .normal)
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button.titleLabel?.font = TextStyle.bodyLarge.font
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button.translatesAutoresizingMaskIntoConstraints = false
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return button
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}()
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//--------------------------------------------------
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// MARK: - Configuration
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//--------------------------------------------------
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private var closeButtonHeight: CGFloat = 44.0
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private var fullWidth: CGFloat = 296
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private var minHeight: CGFloat = 96.0
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private var maxHeight: CGFloat = 312.0
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private let containerViewInset = VDSLayout.Spacing.space4X.value
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private let backgroundColorConfiguration = SurfaceColorConfiguration(VDSColor.backgroundPrimaryLight, VDSColor.backgroundPrimaryDark)
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private let closeButtonTextColorConfiguration = SurfaceColorConfiguration(VDSColor.elementsPrimaryOnlight, VDSColor.elementsPrimaryOndark)
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private var contentStackViewBottomConstraint: NSLayoutConstraint?
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private var heightConstraint: NSLayoutConstraint?
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//--------------------------------------------------
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// MARK: - Lifecycle
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//--------------------------------------------------
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open override func setup() {
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super.setup()
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layer.cornerRadius = 8
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contentStackView.addArrangedSubview(titleLabel)
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contentStackView.addArrangedSubview(contentLabel)
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scrollView.addSubview(contentStackView)
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addSubview(scrollView)
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addSubview(line)
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addSubview(closeButton)
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// Activate constraints
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NSLayoutConstraint.activate([
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widthAnchor.constraint(equalToConstant: fullWidth),
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// Constraints for the scroll view
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scrollView.topAnchor.constraint(equalTo: topAnchor, constant: VDSLayout.Spacing.space4X.value),
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scrollView.leadingAnchor.constraint(equalTo: leadingAnchor),
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scrollView.trailingAnchor.constraint(equalTo: trailingAnchor),
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scrollView.bottomAnchor.constraint(equalTo: line.topAnchor),
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line.leadingAnchor.constraint(equalTo: leadingAnchor),
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line.trailingAnchor.constraint(equalTo: trailingAnchor),
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closeButton.topAnchor.constraint(equalTo: line.bottomAnchor),
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closeButton.leadingAnchor.constraint(equalTo: leadingAnchor),
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closeButton.trailingAnchor.constraint(equalTo: trailingAnchor),
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closeButton.bottomAnchor.constraint(equalTo: bottomAnchor),
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closeButton.heightAnchor.constraint(equalToConstant: closeButtonHeight),
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contentStackView.topAnchor.constraint(equalTo: scrollView.topAnchor),
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contentStackView.leadingAnchor.constraint(equalTo: scrollView.leadingAnchor, constant: containerViewInset),
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contentStackView.trailingAnchor.constraint(equalTo: scrollView.trailingAnchor, constant: -containerViewInset),
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contentStackView.widthAnchor.constraint(equalTo: scrollView.widthAnchor, constant: -(containerViewInset * 2)),
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])
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contentStackViewBottomConstraint = contentStackView.bottomAnchor.constraint(equalTo: scrollView.bottomAnchor)
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contentStackViewBottomConstraint?.activate()
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heightConstraint = heightAnchor.constraint(equalToConstant: minHeight)
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heightConstraint?.activate()
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}
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open override func updateView() {
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super.updateView()
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backgroundColor = backgroundColorConfiguration.getColor(self)
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scrollView.indicatorStyle = surface == .light ? .black : .white
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titleLabel.removeFromSuperview()
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contentLabel.removeFromSuperview()
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contentView?.removeFromSuperview()
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titleLabel.surface = surface
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contentLabel.surface = surface
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line.surface = surface
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titleLabel.text = titleText
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contentLabel.text = contentText
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titleLabel.sizeToFit()
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contentLabel.sizeToFit()
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var addedTitle = false
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if let titleText, !titleText.isEmpty {
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contentStackView.addArrangedSubview(titleLabel)
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addedTitle = true
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}
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var addedContent = false
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if let contentText, !contentText.isEmpty {
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contentStackView.addArrangedSubview(contentLabel)
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addedContent = true
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} else if let contentView {
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contentView.translatesAutoresizingMaskIntoConstraints = false
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if var surfaceable = contentView as? Surfaceable {
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surfaceable.surface = surface
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}
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let wrapper = View()
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wrapper.addSubview(contentView)
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contentView.pinTop()
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contentView.pinLeading()
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contentView.pinBottom()
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contentView.pinTrailingLessThanOrEqualTo()
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contentView.setNeedsLayout()
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contentStackView.addArrangedSubview(wrapper)
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addedContent = true
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}
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if addedTitle && addedContent {
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contentStackView.setCustomSpacing(VDSLayout.Spacing.space1X.value, after: titleLabel)
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}
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let closeButtonTextColor = closeButtonTextColorConfiguration.getColor(self)
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closeButton.setTitleColor(closeButtonTextColor, for: .normal)
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closeButton.setTitleColor(closeButtonTextColor, for: .highlighted)
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closeButton.setTitle(closeButtonText, for: .normal)
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contentStackView.setNeedsLayout()
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contentStackView.layoutIfNeeded()
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scrollView.setNeedsLayout()
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scrollView.layoutIfNeeded()
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//dealing with height
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//we can't really use the minMax height and set constraints for
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//greaterThan or lessThan on the heightAnchor due to scrollView/stackView intrinsic size
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//therefore we can do a little math and manually set the height based off all of the content
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var contentHeight = closeButtonHeight + scrollView.contentSize.height + (containerViewInset * 2)
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//reset the bottomConstraint
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contentStackViewBottomConstraint?.constant = 0
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if contentHeight < minHeight {
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contentHeight = minHeight
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} else if contentHeight > maxHeight {
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contentHeight = maxHeight
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//since we are now scrolling, add padding to the bottom of the
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//stackView between the bottom of the scrollView
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contentStackViewBottomConstraint?.constant = -containerViewInset
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}
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heightConstraint?.constant = contentHeight
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}
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}
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