Fixed SD2-1379: When opening files, compile errors are not highlighted

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2738 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/TextEditor/Gui/Editor/ErrorDrawer.cs

@@ -50,7 +50,6 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 			TaskService.Removed += new TaskEventHandler(OnRemoved);
 			TaskService.Cleared += new EventHandler(OnCleared);
 			TaskService.InUpdateChanged += OnInUpdateChanged;
-			textEditor.FileNameChanged += new EventHandler(SetErrors);
 			DebuggerService.DebugStarted += OnDebugStarted;
 			DebuggerService.DebugStopped += OnDebugStopped;
 		}
@@ -88,7 +87,6 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 			TaskService.Removed -= new TaskEventHandler(OnRemoved);
 			TaskService.Cleared -= new EventHandler(OnCleared);
 			TaskService.InUpdateChanged -= OnInUpdateChanged;
-			textEditor.FileNameChanged -= new EventHandler(SetErrors);
 			DebuggerService.DebugStarted -= OnDebugStarted;
 			DebuggerService.DebugStopped -= OnDebugStopped;
 			ClearErrors();
@@ -182,7 +180,10 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 			}
 		}
 		
-		void SetErrors(object sender, EventArgs e)
+		/// <summary>
+		/// Clears all errors and adds them again.
+		/// </summary>
+		public void UpdateErrors()
 		{
 			ClearErrors();
 			foreach (Task task in TaskService.Tasks) {

src/Main/Base/Project/Src/TextEditor/Gui/Editor/SharpDevelopTextAreaControl.cs

@@ -193,6 +193,13 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 			}
 		}
 		
+		internal void FileLoaded()
+		{
+			if (errorDrawer != null) {
+				errorDrawer.UpdateErrors();
+			}
+		}
+		
 		void GenerateEditActions()
 		{
 			#if DEBUG

src/Main/Base/Project/Src/TextEditor/Gui/Editor/TextEditorDisplayBinding.cs

@@ -231,6 +231,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor
 			
 			bool autodetectEncoding = true;
 			textEditorControl.LoadFile(file.FileName, stream, true, autodetectEncoding);
+			textEditorControl.FileLoaded();
 			foreach (Bookmarks.SDBookmark mark in Bookmarks.BookmarkManager.GetBookmarks(file.FileName)) {
 				mark.Document = textEditorControl.Document;
 				textEditorControl.Document.BookmarkManager.Marks.Add(mark);