Implemented first procedure code editor loading block progress.

1 files changed, 21 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/ScriptEditor.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/ScriptEditor.cs
index 8cf615a7c..3c27118e2 100644
--- a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/ScriptEditor.cs
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/ScriptEditor.cs
@@ -65,6 +65,7 @@ namespace Tango.Scripting.Editors
         private static List<CachedUsing> _cachedUsings;
         private static bool _isLoadingCachedAssemblies;
         private static bool _isCacheAssembliesLoaded;
+        private static bool _isUsingsLoadingStarted;
         private static object _loadUsingsLock = new object();
         private static List<SnippetCompletionItem> snippets;
 
@@ -72,6 +73,8 @@ namespace Tango.Scripting.Editors
         public static event EventHandler LoadingSymbolsStarted;
         public static event EventHandler LoadingSymbolsCompleted;
         private static event EventHandler KnownTypesAvailable;
+        public static event EventHandler UsingsLoadingStarted;
+        public static event EventHandler UsingsLoadingCompleted;
 
         #region Mini Classes
 
@@ -302,6 +305,13 @@ namespace Tango.Scripting.Editors
             errorMarkerService = new TextMarkerService(Document);
             TextArea.TextView.BackgroundRenderers.Add(errorMarkerService);
             TextArea.TextView.LineTransformers.Add(errorMarkerService);
+
+            Unloaded += ScriptEditor_Unloaded;
+        }
+
+        private void ScriptEditor_Unloaded(object sender, RoutedEventArgs e)
+        {
+            _update_timer.Stop();
         }
 
         private void ScriptEditor_KnownTypesAvailable(object sender, EventArgs e)
@@ -1394,6 +1404,12 @@ namespace Tango.Scripting.Editors
                 {
                     if (!_cachedUsings.Exists(x => x.Namespace == use))
                     {
+                        if (!_isUsingsLoadingStarted)
+                        {
+                            _isUsingsLoadingStarted = true;
+                            UsingsLoadingStarted?.Invoke(this, new EventArgs());
+                        }
+
                         var useFileName = System.IO.Path.Combine(KNOWN_TYPES_CACHE_FOLDER, use + ".json");
 
                         if (File.Exists(useFileName))
@@ -1485,6 +1501,11 @@ namespace Tango.Scripting.Editors
                                 File.WriteAllText(useFileName, json);
                             });
                         }
+
+                        if (_isUsingsLoadingStarted)
+                        {
+                            UsingsLoadingCompleted?.Invoke(this, new EventArgs());
+                        }
                     }
                 }