element-ios/Riot/Modules/Common/Views/CopyableLabel.swift

63 lines
1.5 KiB
Swift

//
// Copyright 2021-2024 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only
// Please see LICENSE in the repository root for full details.
//
import UIKit
/// Enables to copy text content of the label
/// https://stackoverflow.com/a/62978837
class CopyableLabel: UILabel {
// MARK: - Setup
override init(frame: CGRect) {
super.init(frame: frame)
self.sharedInit()
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
self.sharedInit()
}
func sharedInit() {
self.isUserInteractionEnabled = true
self.addGestureRecognizer(UILongPressGestureRecognizer(target: self, action: #selector(self.showMenu)))
}
// MARK: - Public
@objc func showMenu(sender: AnyObject?) {
self.becomeFirstResponder()
let menu = UIMenuController.shared
if !menu.isMenuVisible {
if #available(iOS 13.0, *) {
menu.showMenu(from: self, rect: self.bounds)
}
}
}
// MARK: - Overrides
override func copy(_ sender: Any?) {
let board = UIPasteboard.general
board.string = self.text
// Note that the UIMenuController will be dismissed by itself after copying the text
}
override var canBecomeFirstResponder: Bool {
return true
}
override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
return action == #selector(UIResponderStandardEditActions.copy)
}
}