Improved performance of "Replace all".

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@528 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/TextEditor/SearchAndReplace/Engine/SearchReplaceManager.cs

@@ -7,6 +7,7 @@
 
 using System;
 using System.Collections;
+using System.Collections.Generic;
 using System.Diagnostics;
 
 using ICSharpCode.SharpDevelop.Gui;
@@ -89,34 +90,38 @@ namespace SearchAndReplace
 		public static void ReplaceAll()
 		{
 			SetSearchOptions();
-			TextEditorControl textArea = null;
 			if (WorkbenchSingleton.Workbench.ActiveWorkbenchWindow != null) {
-				textArea = ((ITextEditorControlProvider)WorkbenchSingleton.Workbench.ActiveWorkbenchWindow.ViewContent).TextEditorControl;
+				TextEditorControl textArea = ((ITextEditorControlProvider)WorkbenchSingleton.Workbench.ActiveWorkbenchWindow.ViewContent).TextEditorControl;
 				textArea.ActiveTextAreaControl.TextArea.SelectionManager.ClearSelection();
 			}
 			find.Reset();
 			find.SearchStrategy.CompilePattern();
 			
+			List<TextEditorControl> textAreas = new List<TextEditorControl>();
 			while (true) {
 				SearchResult result = SearchReplaceManager.find.FindNext();
 				
 				if (result == null) {
-					
+					foreach (TextEditorControl textArea in textAreas) {
+						textArea.EndUpdate();
+						textArea.Refresh();
+					}
 					MessageService.ShowMessage("${res:ICSharpCode.TextEditor.Document.SearchReplaceManager.ReplaceAllDone}", "${res:Global.FinishedCaptionText}");
 					find.Reset();
 					return;
 				} else {
-					textArea = OpenTextArea(result.FileName); 
+					TextEditorControl textArea = OpenTextArea(result.FileName);
 					
+					if (!textAreas.Contains(textArea)) {
 						textArea.BeginUpdate();
 						textArea.ActiveTextAreaControl.TextArea.SelectionManager.SelectionCollection.Clear();
+						textAreas.Add(textArea);
+					}
 					
 					string transformedPattern = result.TransformReplacePattern(SearchOptions.ReplacePattern);
 					find.Replace(result.Offset,
 					             result.Length,
 					             transformedPattern);
-					textArea.EndUpdate();
-					textArea.Refresh();
 				}
 			}
 		}