Show status bar hint when using View File

Factor out `EnableNavigateStatusBarMessage` method.

Author: jcansdale

src/GitHub.App/Services/PullRequestEditorService.cs

@@ -466,29 +466,37 @@ void AddBufferTag(
 
         void EnableNavigateToEditor(ITextView textView, IPullRequestSession session, IPullRequestSessionFile file)
         {
-            var view = vsEditorAdaptersFactory.GetViewAdapter(textView);
-            EnableNavigateToEditor(view, session, file);
-
-            var statusMessage = session.IsCheckedOut ?
-                App.Resources.NavigateToEditorStatusMessage : App.Resources.NavigateToEditorNotCheckedOutStatusMessage;
-            textView.GotAggregateFocus += (s, e) =>
-                statusBar.ShowMessage(statusMessage);
-
-            textView.LostAggregateFocus += (s, e) =>
-                statusBar.ShowMessage(string.Empty);
+            var vsTextView = vsEditorAdaptersFactory.GetViewAdapter(textView);
+            EnableNavigateToEditor(vsTextView, session, file);
         }
 
-        void EnableNavigateToEditor(IVsTextView textView, IPullRequestSession session, IPullRequestSessionFile file)
+        void EnableNavigateToEditor(IVsTextView vsTextView, IPullRequestSession session, IPullRequestSessionFile file)
         {
             var commandGroup = VSConstants.CMDSETID.StandardCommandSet2K_guid;
             var commandId = (int)VSConstants.VSStd2KCmdID.RETURN;
-            new TextViewCommandDispatcher(textView, commandGroup, commandId).Exec +=
+            new TextViewCommandDispatcher(vsTextView, commandGroup, commandId).Exec +=
                 async (s, e) => await DoNavigateToEditor(session, file);
 
             var contextMenuCommandGroup = new Guid(Guids.guidContextMenuSetString);
             var goToCommandId = PkgCmdIDList.openFileInSolutionCommand;
-            new TextViewCommandDispatcher(textView, contextMenuCommandGroup, goToCommandId).Exec +=
+            new TextViewCommandDispatcher(vsTextView, contextMenuCommandGroup, goToCommandId).Exec +=
                 async (s, e) => await DoNavigateToEditor(session, file);
+
+            EnableNavigateStatusBarMessage(vsTextView, session);
+        }
+
+        void EnableNavigateStatusBarMessage(IVsTextView vsTextView, IPullRequestSession session)
+        {
+            var textView = vsEditorAdaptersFactory.GetWpfTextView(vsTextView);
+
+            var statusMessage = session.IsCheckedOut ?
+                App.Resources.NavigateToEditorStatusMessage : App.Resources.NavigateToEditorNotCheckedOutStatusMessage;
+
+            textView.GotAggregateFocus += (s, e) =>
+                statusBar.ShowMessage(statusMessage);
+
+            textView.LostAggregateFocus += (s, e) =>
+                statusBar.ShowMessage(string.Empty);
         }
 
         async Task DoNavigateToEditor(IPullRequestSession session, IPullRequestSessionFile file)