72 lines
2.7 KiB
Swift
72 lines
2.7 KiB
Swift
// SPDX-License-Identifier: MIT
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// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
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import UIKit
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class EditableTextCell: UITableViewCell {
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var message: String {
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get { return valueTextField.text ?? "" }
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set(value) { valueTextField.text = value }
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}
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var placeholder: String? {
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get { return valueTextField.placeholder }
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set(value) { valueTextField.placeholder = value }
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}
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let valueTextField: UITextField = {
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let valueTextField = UITextField()
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valueTextField.textAlignment = .left
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valueTextField.isEnabled = true
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valueTextField.font = UIFont.preferredFont(forTextStyle: .body)
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valueTextField.adjustsFontForContentSizeCategory = true
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valueTextField.autocapitalizationType = .none
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valueTextField.autocorrectionType = .no
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valueTextField.spellCheckingType = .no
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return valueTextField
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}()
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var onValueBeingEdited: ((String) -> Void)?
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override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
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super.init(style: style, reuseIdentifier: reuseIdentifier)
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valueTextField.delegate = self
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contentView.addSubview(valueTextField)
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valueTextField.translatesAutoresizingMaskIntoConstraints = false
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// Reduce the bottom margin by 0.5pt to maintain the default cell height (44pt)
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let bottomAnchorConstraint = contentView.layoutMarginsGuide.bottomAnchor.constraint(equalTo: valueTextField.bottomAnchor, constant: -0.5)
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bottomAnchorConstraint.priority = .defaultLow
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NSLayoutConstraint.activate([
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valueTextField.leadingAnchor.constraint(equalTo: contentView.layoutMarginsGuide.leadingAnchor),
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contentView.layoutMarginsGuide.trailingAnchor.constraint(equalTo: valueTextField.trailingAnchor),
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contentView.layoutMarginsGuide.topAnchor.constraint(equalTo: valueTextField.topAnchor),
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bottomAnchorConstraint
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])
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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func beginEditing() {
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valueTextField.becomeFirstResponder()
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}
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override func prepareForReuse() {
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super.prepareForReuse()
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message = ""
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placeholder = nil
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}
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}
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extension EditableTextCell: UITextFieldDelegate {
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func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
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if let onValueBeingEdited = onValueBeingEdited {
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let modifiedText = ((textField.text ?? "") as NSString).replacingCharacters(in: range, with: string)
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onValueBeingEdited(modifiedText)
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}
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return true
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}
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}
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