Only make host editable if original cfg available

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Changed
+
+- Host parameters are read-only if there isn't an original configuration to revert to.
+
 ## 1.0 beta 1084 (2018-10-24)
 
 ### Fixed

Passepartout-iOS/Scenes/ConfigurationViewController.swift

@@ -38,21 +38,22 @@ class ConfigurationViewController: UIViewController, TableModelHost {
     
     private lazy var configuration: SessionProxy.ConfigurationBuilder = initialConfiguration.builder()
     
-    var isEditable = false
-    
     var originalConfigurationURL: URL?
 
+    private var isEditable: Bool {
+        return originalConfigurationURL != nil
+    }
+        
     weak var delegate: ConfigurationModificationDelegate?
     
     // MARK: TableModelHost
 
     lazy var model: TableModel<SectionType, RowType> = {
         let model: TableModel<SectionType, RowType> = TableModel()
-        let hasConfigurationURL = isEditable && (originalConfigurationURL != nil)
         
         // sections
         model.add(.communication)
-        if hasConfigurationURL {
+        if isEditable {
             model.add(.reset)
         }
         model.add(.tls)
@@ -64,15 +65,13 @@ class ConfigurationViewController: UIViewController, TableModelHost {
         model.setHeader(L10n.Configuration.Sections.Other.header, for: .other)
 
         // footers
-        if hasConfigurationURL {
+        if isEditable {
             model.setFooter(L10n.Configuration.Sections.Reset.footer, for: .reset)
-        } else if isEditable {
-            model.setFooter(L10n.Configuration.Sections.Communication.Footer.editable, for: .communication)
         }
         
         // rows
         model.set([.cipher, .digest, .compressionFrame], in: .communication)
-        if hasConfigurationURL {
+        if isEditable {
             model.set([.resetOriginal], in: .reset)
         }
         model.set([.client, .tlsWrapping], in: .tls)
@@ -94,7 +93,7 @@ class ConfigurationViewController: UIViewController, TableModelHost {
     
     override func viewDidLoad() {
         super.viewDidLoad()
-
+        
         guard let _ = initialConfiguration else {
             fatalError("Initial configuration not set")
         }

Passepartout-iOS/Scenes/ServiceViewController.swift

@@ -154,7 +154,6 @@ class ServiceViewController: UIViewController, TableModelHost {
             let vc = destination as? ConfigurationViewController
             vc?.title = L10n.Service.Cells.Host.Parameters.caption
             vc?.initialConfiguration = uncheckedHostProfile.parameters.sessionConfiguration
-            vc?.isEditable = true
             vc?.originalConfigurationURL = ProfileConfigurationFactory.shared.configurationURL(for: uncheckedHostProfile)
             vc?.delegate = self
             

Passepartout/Resources/en.lproj/Localizable.strings

@@ -126,7 +126,6 @@
 //"provider.preset.sections.main.footer" = "Tap info button to disclose technical details.";
 
 "configuration.sections.communication.header" = "Communication";
-"configuration.sections.communication.footer.editable" = "Make sure to match server communication parameters, otherwise you will end up with broken connectivity.";
 "configuration.sections.reset.footer" = "If you ended up with broken connectivity after changing the communication parameters, tap to revert to the original configuration.";
 "configuration.sections.tls.header" = "TLS";
 "configuration.sections.other.header" = "Other";

Passepartout/Sources/SwiftGen+Strings.swift

@@ -205,11 +205,6 @@ internal enum L10n {
       internal enum Communication {
         /// Communication
         internal static let header = L10n.tr("Localizable", "configuration.sections.communication.header")
-
-        internal enum Footer {
-          /// Make sure to match server communication parameters, otherwise you will end up with broken connectivity.
-          internal static let editable = L10n.tr("Localizable", "configuration.sections.communication.footer.editable")
-        }
       }
 
       internal enum Other {