// // NCMasterNavigationController.swift // Nextcloud // // Created by Marino Faggiana on 30/01/2020. // Copyright © 2020 Marino Faggiana. All rights reserved. // // Author Marino Faggiana // // 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 class NCMasterNavigationController: UINavigationController { let appDelegate = UIApplication.shared.delegate as! AppDelegate override func viewDidLoad() { super.viewDidLoad() self.delegate = self NotificationCenter.default.addObserver(self, selector: #selector(changeTheming), name: NSNotification.Name(rawValue: k_notificationCenter_changeTheming), object: nil) changeTheming() } override func viewWillLayoutSubviews() { super.viewWillLayoutSubviews() guard let splitViewController = self.splitViewController else { return } if let navigationController = splitViewController.viewControllers[splitViewController.viewControllers.count-1] as? UINavigationController { if splitViewController.isCollapsed { navigationController.topViewController?.navigationItem.backBarButtonItem = UIBarButtonItem(title: NSLocalizedString("_back_", comment: ""), style: UIBarButtonItem.Style.plain, target: nil, action: nil) } else { navigationController.topViewController?.navigationItem.leftBarButtonItem = splitViewController.displayModeButtonItem } } } @objc func changeTheming() { navigationBar.barTintColor = NCBrandColor.sharedInstance.backgroundView navigationBar.tintColor = NCBrandColor.sharedInstance.brand } } extension NCMasterNavigationController: UINavigationControllerDelegate { func navigationController(_ navigationController: UINavigationController, willShow viewController: UIViewController, animated: Bool) { if self.splitViewController?.isCollapsed == true { if (topViewController as? UITabBarController) != nil { self.isNavigationBarHidden = true } else { self.isNavigationBarHidden = false } } else { self.isNavigationBarHidden = true } } }