48 lines
1.3 KiB
Swift
48 lines
1.3 KiB
Swift
// Label shows copy popup menu on tap or long tap.
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class CopyableLabel: UILabel {
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override init(frame: CGRect) {
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super.init(frame: frame)
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self.sharedInit()
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}
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required init?(coder aDecoder: NSCoder) {
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super.init(coder: aDecoder)
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self.sharedInit()
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}
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private func sharedInit() {
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self.isUserInteractionEnabled = true
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self.gestureRecognizers = [
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UILongPressGestureRecognizer(target: self, action: #selector(self.showMenu)),
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UITapGestureRecognizer(target: self, action: #selector(self.showMenu))
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]
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}
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@objc func showMenu(_ recognizer: UILongPressGestureRecognizer) {
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self.becomeFirstResponder()
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let menu = UIMenuController.shared
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let locationOfTouchInLabel = recognizer.location(in: self)
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if !menu.isMenuVisible {
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var rect = bounds
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rect.origin = locationOfTouchInLabel
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rect.size = CGSize(width: 1, height: 1)
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menu.showMenu(from: self, rect: rect)
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}
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}
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override func copy(_ sender: Any?) {
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UIPasteboard.general.string = text
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UIMenuController.shared.hideMenu()
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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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}
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