Import: Minor refactoring

Signed-off-by: Roopesh Chander <roop@roopc.net>

WireGuard/WireGuard/UI/iOS/TunnelsListTableViewController.swift

@@ -118,28 +118,9 @@ class TunnelsListTableViewController: UITableViewController {
 
         self.present(alert, animated: true, completion: nil)
     }
-}
 
-// MARK: TunnelEditTableViewControllerDelegate
+    func importFromFile(url: URL) {
-
+        // Import configurations from a .conf or a .zip file
-extension TunnelsListTableViewController: TunnelEditTableViewControllerDelegate {
-    func tunnelSaved(tunnel: TunnelContainer) {
-        guard let tunnelsManager = tunnelsManager else { return }
-        let tunnelDetailVC = TunnelDetailTableViewController(tunnelsManager: tunnelsManager,
-                                                             tunnel: tunnel)
-        let tunnelDetailNC = UINavigationController(rootViewController: tunnelDetailVC)
-        showDetailViewController(tunnelDetailNC, sender: self) // Shall get propagated up to the split-vc
-    }
-    func tunnelEditingCancelled() {
-        // Nothing to do here
-    }
-}
-
-// MARK: UIDocumentPickerDelegate
-
-extension TunnelsListTableViewController: UIDocumentPickerDelegate {
-    func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
-        if let url = urls.first {
         if (url.pathExtension == "conf") {
             let fileBaseName = url.deletingPathExtension().lastPathComponent
             if let fileContents = try? String(contentsOf: url),
@@ -182,6 +163,30 @@ extension TunnelsListTableViewController: UIDocumentPickerDelegate {
             }
         }
     }
+}
+
+// MARK: TunnelEditTableViewControllerDelegate
+
+extension TunnelsListTableViewController: TunnelEditTableViewControllerDelegate {
+    func tunnelSaved(tunnel: TunnelContainer) {
+        guard let tunnelsManager = tunnelsManager else { return }
+        let tunnelDetailVC = TunnelDetailTableViewController(tunnelsManager: tunnelsManager,
+                                                             tunnel: tunnel)
+        let tunnelDetailNC = UINavigationController(rootViewController: tunnelDetailVC)
+        showDetailViewController(tunnelDetailNC, sender: self) // Shall get propagated up to the split-vc
+    }
+    func tunnelEditingCancelled() {
+        // Nothing to do here
+    }
+}
+
+// MARK: UIDocumentPickerDelegate
+
+extension TunnelsListTableViewController: UIDocumentPickerDelegate {
+    func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
+        if let url = urls.first {
+            importFromFile(url: url)
+        }
     }
 }