MonoDevelop.Refactoring.Rename.RenameRefactoring.Rename C# (CSharp) Méthode

		public async Task Rename (ISymbol symbol)
		{
			var solution = IdeApp.ProjectOperations.CurrentSelectedSolution;
			var ws = TypeSystemService.GetWorkspace (solution);

			var currentSolution = ws.CurrentSolution;
			var cts = new CancellationTokenSource ();
			var newSolution = await MessageService.ExecuteTaskAndShowWaitDialog (Task.Run (() => Renamer.RenameSymbolAsync (currentSolution, symbol, "_" + symbol.Name + "_", ws.Options, cts.Token)), GettextCatalog.GetString ("Looking for all references"), cts);
			var projectChanges = currentSolution.GetChanges (newSolution).GetProjectChanges ().ToList ();
			var changedDocuments = new HashSet<string> ();
			foreach (var change in projectChanges) {
				foreach (var changedDoc in change.GetChangedDocuments ()) {
					changedDocuments.Add (ws.CurrentSolution.GetDocument (changedDoc).FilePath);
				}
			}

			if (changedDocuments.Count > 1) {
				using (var dlg = new RenameItemDialog (symbol, this))
					MessageService.ShowCustomDialog (dlg);
				return;
			}

			var projectChange = projectChanges [0];
			var changes = projectChange.GetChangedDocuments ().ToList ();
			if (changes.Count != 1 || symbol.Kind == SymbolKind.NamedType) {
				using (var dlg = new RenameItemDialog (symbol, this))
					MessageService.ShowCustomDialog (dlg);
				return;
			}
			var doc = IdeApp.Workbench.ActiveDocument;
			var editor = doc.Editor;
			
			var links = new List<TextLink> ();
			var link = new TextLink ("name");

			var cd = changes [0];
			var oldDoc = projectChange.OldProject.GetDocument (cd);
			var newDoc = projectChange.NewProject.GetDocument (cd);
			var oldVersion = editor.Version;
			foreach (var textChange in await oldDoc.GetTextChangesAsync (newDoc)) {
				var segment = new TextSegment (textChange.Span.Start, textChange.Span.Length);
				if (segment.Offset <= editor.CaretOffset && editor.CaretOffset <= segment.EndOffset) {
					link.Links.Insert (0, segment); 
				} else {
					link.AddLink (segment);
				}
			}

			links.Add (link);
			editor.StartTextLinkMode (new TextLinkModeOptions (links, (arg) => {
				//If user cancel renaming revert changes
				if (!arg.Success) {
					var textChanges = editor.Version.GetChangesTo (oldVersion).ToList ();
					foreach (var v in textChanges) {
						editor.ReplaceText (v.Offset, v.RemovalLength, v.InsertedText);
					}
				}
			}));
		}