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-rw-r--r--WireGuard/WireGuard/UI/iOS/SharedViews/KeyValueCell.swift107
1 files changed, 107 insertions, 0 deletions
diff --git a/WireGuard/WireGuard/UI/iOS/SharedViews/KeyValueCell.swift b/WireGuard/WireGuard/UI/iOS/SharedViews/KeyValueCell.swift
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+++ b/WireGuard/WireGuard/UI/iOS/SharedViews/KeyValueCell.swift
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+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import UIKit
+
+class KeyValueCell: CopyableLabelTableViewCell {
+ var key: String {
+ get { return keyLabel.text ?? "" }
+ set(value) { keyLabel.text = value }
+ }
+ var value: String {
+ get { return valueLabel.text }
+ set(value) { valueLabel.text = value }
+ }
+
+ override var textToCopy: String? {
+ return valueLabel.text
+ }
+
+ let keyLabel: UILabel = {
+ let keyLabel = UILabel()
+ keyLabel.font = UIFont.preferredFont(forTextStyle: .body)
+ keyLabel.adjustsFontForContentSizeCategory = true
+ keyLabel.textColor = .black
+ return keyLabel
+ }()
+
+ let valueLabel: ScrollableLabel = {
+ let valueLabel = ScrollableLabel()
+ valueLabel.label.font = UIFont.preferredFont(forTextStyle: .body)
+ valueLabel.label.adjustsFontForContentSizeCategory = true
+ valueLabel.textColor = .gray
+ return valueLabel
+ }()
+
+ var isStackedHorizontally = false
+ var isStackedVertically = false
+ var contentSizeBasedConstraints = [NSLayoutConstraint]()
+
+ override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
+ super.init(style: style, reuseIdentifier: reuseIdentifier)
+
+ contentView.addSubview(keyLabel)
+ keyLabel.translatesAutoresizingMaskIntoConstraints = false
+ keyLabel.textAlignment = .left
+ NSLayoutConstraint.activate([
+ keyLabel.leftAnchor.constraint(equalTo: contentView.layoutMarginsGuide.leftAnchor),
+ keyLabel.topAnchor.constraint(equalToSystemSpacingBelow: contentView.layoutMarginsGuide.topAnchor, multiplier: 0.5)
+ ])
+
+ contentView.addSubview(valueLabel)
+ valueLabel.translatesAutoresizingMaskIntoConstraints = false
+ NSLayoutConstraint.activate([
+ valueLabel.rightAnchor.constraint(equalTo: contentView.layoutMarginsGuide.rightAnchor),
+ contentView.layoutMarginsGuide.bottomAnchor.constraint(equalToSystemSpacingBelow: valueLabel.bottomAnchor, multiplier: 0.5)
+ ])
+
+ keyLabel.setContentCompressionResistancePriority(.defaultHigh + 1, for: .horizontal)
+ keyLabel.setContentHuggingPriority(.defaultHigh, for: .horizontal)
+ valueLabel.setContentHuggingPriority(.defaultLow, for: .horizontal)
+
+ configureForContentSize()
+ }
+
+ func configureForContentSize() {
+ var constraints = [NSLayoutConstraint]()
+ if traitCollection.preferredContentSizeCategory.isAccessibilityCategory {
+ // Stack vertically
+ if !isStackedVertically {
+ constraints = [
+ valueLabel.topAnchor.constraint(equalToSystemSpacingBelow: keyLabel.bottomAnchor, multiplier: 0.5),
+ valueLabel.leftAnchor.constraint(equalTo: contentView.layoutMarginsGuide.leftAnchor),
+ keyLabel.rightAnchor.constraint(equalTo: contentView.layoutMarginsGuide.rightAnchor)
+ ]
+ isStackedVertically = true
+ isStackedHorizontally = false
+ }
+ } else {
+ // Stack horizontally
+ if !isStackedHorizontally {
+ constraints = [
+ contentView.layoutMarginsGuide.bottomAnchor.constraint(equalToSystemSpacingBelow: keyLabel.bottomAnchor, multiplier: 0.5),
+ valueLabel.leftAnchor.constraint(equalToSystemSpacingAfter: keyLabel.rightAnchor, multiplier: 1),
+ valueLabel.topAnchor.constraint(equalToSystemSpacingBelow: contentView.layoutMarginsGuide.topAnchor, multiplier: 0.5)
+ ]
+ isStackedHorizontally = true
+ isStackedVertically = false
+ }
+ }
+ if !constraints.isEmpty {
+ NSLayoutConstraint.deactivate(contentSizeBasedConstraints)
+ NSLayoutConstraint.activate(constraints)
+ contentSizeBasedConstraints = constraints
+ }
+ }
+
+ required init?(coder aDecoder: NSCoder) {
+ fatalError("init(coder:) has not been implemented")
+ }
+
+ override func prepareForReuse() {
+ super.prepareForReuse()
+ key = ""
+ value = ""
+ configureForContentSize()
+ }
+}