From 5bdc17e9ceebb8cdcea3f084b31eca374c6e48f3 Mon Sep 17 00:00:00 2001
From: dankito <git@dankito.net>
Date: Mon, 24 Aug 2020 17:37:52 +0200
Subject: [PATCH] Added extensions to get current AppDelegate,
 rootNavigationController, currentViewController, ...

---
 .../persistence/Extensions.swift              | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/ui/BankingiOSApp/BankingiOSApp/persistence/Extensions.swift b/ui/BankingiOSApp/BankingiOSApp/persistence/Extensions.swift
index 3a97d99b..882fc8ea 100644
--- a/ui/BankingiOSApp/BankingiOSApp/persistence/Extensions.swift
+++ b/ui/BankingiOSApp/BankingiOSApp/persistence/Extensions.swift
@@ -3,6 +3,39 @@ import SwiftUI
 import BankingUiSwift
 
 
+extension AppDelegate {
+
+    public static var current: AppDelegate { UIApplication.shared.delegate as! AppDelegate }
+
+}
+
+extension SceneDelegate {
+
+    public static var currentWindow: UIWindow? {
+        UIApplication.shared.windows.first(where: { (window) -> Bool in window.isKeyWindow})
+    }
+
+    public static var currentScene: UIWindowScene? { currentWindow?.windowScene }
+    
+    public static var rootViewController: UIViewController? {
+        currentWindow?.rootViewController
+    }
+    
+    public static var rootNavigationController: UINavigationController? {
+        rootViewController as? UINavigationController
+    }
+    
+    public static var currentViewController: UIViewController? {
+        rootNavigationController?.visibleViewController ?? rootViewController
+    }
+    
+    public static var currentNavigationItem: UINavigationItem? {
+        currentViewController?.navigationItem
+    }
+
+}
+
+
 extension Customer : Identifiable {
 
     public var id: UUID { UUID() }