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-rw-r--r--WireGuard/WireGuard/UI/iOS/View/EditableTextCell.swift64
1 files changed, 64 insertions, 0 deletions
diff --git a/WireGuard/WireGuard/UI/iOS/View/EditableTextCell.swift b/WireGuard/WireGuard/UI/iOS/View/EditableTextCell.swift
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+++ b/WireGuard/WireGuard/UI/iOS/View/EditableTextCell.swift
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+// SPDX-License-Identifier: MIT
+// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
+
+import UIKit
+
+class EditableTextCell: UITableViewCell {
+ var message: String {
+ get { return valueTextField.text ?? "" }
+ set(value) { valueTextField.text = value }
+ }
+
+ let valueTextField: UITextField = {
+ let valueTextField = UITextField()
+ valueTextField.textAlignment = .left
+ valueTextField.isEnabled = true
+ valueTextField.font = UIFont.preferredFont(forTextStyle: .body)
+ valueTextField.adjustsFontForContentSizeCategory = true
+ valueTextField.autocapitalizationType = .none
+ valueTextField.autocorrectionType = .no
+ valueTextField.spellCheckingType = .no
+ return valueTextField
+ }()
+
+ var onValueBeingEdited: ((String) -> Void)?
+
+ override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
+ super.init(style: style, reuseIdentifier: reuseIdentifier)
+
+ valueTextField.delegate = self
+ contentView.addSubview(valueTextField)
+ valueTextField.translatesAutoresizingMaskIntoConstraints = false
+ let bottomAnchorConstraint = contentView.layoutMarginsGuide.bottomAnchor.constraint(equalToSystemSpacingBelow: valueTextField.bottomAnchor, multiplier: 1)
+ bottomAnchorConstraint.priority = .defaultLow
+ NSLayoutConstraint.activate([
+ valueTextField.leadingAnchor.constraint(equalToSystemSpacingAfter: contentView.layoutMarginsGuide.leadingAnchor, multiplier: 1),
+ contentView.layoutMarginsGuide.trailingAnchor.constraint(equalToSystemSpacingAfter: valueTextField.trailingAnchor, multiplier: 1),
+ valueTextField.topAnchor.constraint(equalToSystemSpacingBelow: contentView.layoutMarginsGuide.topAnchor, multiplier: 1),
+ bottomAnchorConstraint
+ ])
+ }
+
+ required init?(coder aDecoder: NSCoder) {
+ fatalError("init(coder:) has not been implemented")
+ }
+
+ func beginEditing() {
+ valueTextField.becomeFirstResponder()
+ }
+
+ override func prepareForReuse() {
+ super.prepareForReuse()
+ message = ""
+ }
+}
+
+extension EditableTextCell: UITextFieldDelegate {
+ func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
+ if let onValueBeingEdited = onValueBeingEdited {
+ let modifiedText = ((textField.text ?? "") as NSString).replacingCharacters(in: range, with: string)
+ onValueBeingEdited(modifiedText)
+ }
+ return true
+ }
+}