// // UIControl+Extension.swift // Nextcloud // // Created by Marino Faggiana on 16/08/21. // Copyright © 2021 Marino Faggiana. All rights reserved. // // Author Marino Faggiana // Found in Internet // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . // import Foundation import UIKit public class ActionClosure { public let selector: Selector private let closure: (_ sendersender: Any?) -> Void init(_ attachObj: AnyObject, closure: @escaping (_ sender: Any?) -> Void) { self.closure = closure self.selector = #selector(target(_ :)) objc_setAssociatedObject(attachObj, UUID().uuidString, self, .OBJC_ASSOCIATION_RETAIN) } @objc func target(_ sender: Any?) { closure(sender) } } public extension UIControl { func action(for event: UIControl.Event, _ closure: @escaping (_ object: Any?) -> Void) { let actionClosure = ActionClosure(self, closure: closure) self.addTarget(actionClosure, action: actionClosure.selector, for: event) } }