Automatically save mappings when junction points are created

Related Work Items: #20

Author: NickLargen

Junctionizer/Model/FolderCollection.cs

@@ -103,6 +103,8 @@ private FolderCollection(Func<bool> isDesiredThread, PauseTokenSource pauseToken
         public bool BothCollectionsInitialized => Location != null && CorrespondingCollection.Location != null;
 
         [NotNull] private readonly FileSystemWatcher _directoryWatcher = new FileSystemWatcher();
+        
+        public event Action JunctionCreated;
 
         [CanBeNull] private PauseTokenSource PauseTokenSource { get; }
         private PauseToken PauseToken { get; }
@@ -313,6 +315,7 @@ public void CreateJunctionTo([NotNull] GameFolder junctionTarget)
                 if (junctionDirectory.Exists == false)
                 {
                     JunctionPoint.Create(junctionDirectory, junctionTarget.DirectoryInfo, false);
+                    JunctionCreated?.Invoke();
                 }
             }
             catch (Exception e) when (e is IOException || e is UnauthorizedAccessException)

Junctionizer/Properties/AssemblyInfo.cs

@@ -51,5 +51,5 @@
 // [assembly: AssemblyVersion("1.0.*")]
 
 [assembly: AssemblyVersion("0.0.0")]
-[assembly: AssemblyFileVersion("0.5.1")]
+[assembly: AssemblyFileVersion("0.6.0")]
 [assembly: AssemblyInformationalVersion("Alpha")]

Junctionizer/ViewModels/MainWindowViewModel.cs

@@ -37,6 +37,8 @@ public void Initialize()
         {
             (SourceCollection, DestinationCollection) = FolderCollection.Factory.CreatePair(() => SynchronizationContext.Current is DispatcherSynchronizationContext, UISettings.PauseTokenSource);
 
+            SourceCollection.JunctionCreated += () => SelectedMapping.IsSavedMapping = true;
+
             FolderPairCollection = new GameFolderPairEnumerable(SourceCollection, DestinationCollection, UISettings.PauseTokenSource);
 
             BindingOperations.EnableCollectionSynchronization(DisplayedMappings, new object());