Hide back button and settings button during install (#2368)

* hide back button and settings button during install phase, so that user does not press back or settings( and then back to main screen again ) while a download thread still runs in th ebackground

* updated changelog

---------

Co-authored-by: Timothy Baldridge <tbaldridge@gmail.com>

CHANGELOG.md

@@ -3,6 +3,7 @@
 #### Version TBD
 * Fixed issues related to high RAM usage
   * The resumable downloads now reserve drive space to write to in advance instead of being managed in system RAM
+  * Fixed allowing back button during install which can result in multiple install processes
   * fixed search filter not applying when pressing back button and reaccessing gallery
   * Added more robust checking for protected location paths and subfolders for the launcher exe and install and download paths
   * Fixed readme double opening when modlist details are prepoulated

Wabbajack.App.Wpf/Views/Installers/InstallationView.xaml.cs

@@ -39,6 +39,11 @@ namespace Wabbajack
                     .BindToStrict(this, view => view.BackButton.Command)
                     .DisposeWith(disposables);
 
+                ViewModel.WhenAnyValue(vm => vm.InstallState)
+                    .Select(v => v == InstallState.Installing ? Visibility.Collapsed : Visibility.Visible)
+                    .BindToStrict(this, view => view.BackButton.Visibility)
+                    .DisposeWith(disposables);
+
                 ViewModel.WhenAnyValue(vm => vm.OpenReadmeCommand)
                     .BindToStrict(this, view => view.OpenReadmePreInstallButton.Command)
                     .DisposeWith(disposables);

Wabbajack.App.Wpf/Views/MainWindow.xaml.cs

@@ -118,7 +118,12 @@ namespace Wabbajack
 
                 ((MainWindowVM) DataContext).WhenAnyValue(vm => vm.OpenSettingsCommand)
                     .BindTo(this, view => view.SettingsButton.Command);
-                    
+
+                ((MainWindowVM)DataContext).WhenAnyValue(vm => vm.Installer.InstallState)
+                    .ObserveOn(RxApp.MainThreadScheduler)
+                    .Select(v => v == InstallState.Installing ? Visibility.Collapsed : Visibility.Visible)
+                    .BindTo(this, view => view.SettingsButton.Visibility);
+
             }
             catch (Exception ex)
             {