Jason A. Donenfeld
56 lines
1.9 KiB
Swift
56 lines
1.9 KiB
Swift
// SPDX-License-Identifier: MIT
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// Copyright © 2018 WireGuard LLC. All Rights Reserved.
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import UIKit
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class CopyableLabelTableViewCell: UITableViewCell {
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var copyableGesture = true
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var textToCopy: String? {
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fatalError("textToCopy must be implemented by subclass")
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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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override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
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super.init(style: style, reuseIdentifier: reuseIdentifier)
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let gestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleTapGesture(_:)))
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self.addGestureRecognizer(gestureRecognizer)
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self.isUserInteractionEnabled = true
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}
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// MARK: - UIGestureRecognizer
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@objc func handleTapGesture(_ recognizer: UIGestureRecognizer) {
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if !self.copyableGesture {
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return
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}
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guard recognizer.state == .recognized else { return }
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if let recognizerView = recognizer.view,
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let recognizerSuperView = recognizerView.superview, recognizerView.becomeFirstResponder() {
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let menuController = UIMenuController.shared
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menuController.setTargetRect(self.detailTextLabel?.frame ?? recognizerView.frame, in: self.detailTextLabel?.superview ?? recognizerSuperView)
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menuController.setMenuVisible(true, animated: true)
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}
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}
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override var canBecomeFirstResponder: Bool {
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return true
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}
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override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
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return (action == #selector(UIResponderStandardEditActions.copy(_:)))
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}
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override func copy(_ sender: Any?) {
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UIPasteboard.general.string = textToCopy
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}
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override func prepareForReuse() {
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super.prepareForReuse()
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self.copyableGesture = true
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}
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}
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