public override async void Execute(EditorRefactoringContext context) { SyntaxTree st = await context.GetSyntaxTreeAsync().ConfigureAwait(false); ICompilation compilation = await context.GetCompilationAsync().ConfigureAwait(false); CSharpFullParseInformation info = await context.GetParseInformationAsync().ConfigureAwait(false) as CSharpFullParseInformation; EntityDeclaration node = (EntityDeclaration)st.GetNodeAt(context.CaretLocation, n => n is TypeDeclaration || n is DelegateDeclaration); IDocument document = context.Editor.Document; FileName newFileName = FileName.Create(Path.Combine(Path.GetDirectoryName(context.FileName), MakeValidFileName(node.Name))); string header = CopyFileHeader(document, info); string footer = CopyFileEnd(document, info); AstNode newNode = node.Clone(); foreach (var ns in node.Ancestors.OfType <NamespaceDeclaration>()) { var newNS = new NamespaceDeclaration(ns.Name); newNS.Members.AddRange(ns.Children.Where(ch => ch is UsingDeclaration || ch is UsingAliasDeclaration || ch is ExternAliasDeclaration).Select(usingDecl => usingDecl.Clone())); newNS.AddMember(newNode); newNode = newNS; } var topLevelUsings = st.Children.Where(ch => ch is UsingDeclaration || ch is UsingAliasDeclaration || ch is ExternAliasDeclaration); StringBuilder newCode = new StringBuilder(header); CSharpOutputVisitor visitor = new CSharpOutputVisitor(new StringWriter(newCode), FormattingOptionsFactory.CreateSharpDevelop()); foreach (var topLevelUsing in topLevelUsings) { topLevelUsing.AcceptVisitor(visitor); } newNode.AcceptVisitor(visitor); newCode.AppendLine(footer); IViewContent viewContent = FileService.NewFile(newFileName, newCode.ToString()); viewContent.PrimaryFile.SaveToDisk(newFileName); // now that the code is saved in the other file, remove it from the original document RemoveExtractedNode(context, node); IProject project = (IProject)compilation.GetProject(); if (project != null) { FileProjectItem projectItem = new FileProjectItem(project, ItemType.Compile); projectItem.FileName = newFileName; ProjectService.AddProjectItem(project, projectItem); FileService.FireFileCreated(newFileName, false); project.Save(); ProjectBrowserPad.RefreshViewAsync(); } }
static EntityDeclaration CloneNodeWithoutBodies(EntityDeclaration node) { EntityDeclaration newNode; var custom = node as CustomEventDeclaration; if (custom == null) { newNode = (EntityDeclaration)node.Clone(); if (newNode is PropertyDeclaration || node is IndexerDeclaration) { var getter = newNode.GetChildByRole(PropertyDeclaration.GetterRole); if (!getter.IsNull) { getter.Body.Remove(); } var setter = newNode.GetChildByRole(PropertyDeclaration.SetterRole); if (!setter.IsNull) { setter.Body.Remove(); } } else { newNode.GetChildByRole(Roles.Body).Remove(); } } else { newNode = new EventDeclaration { Modifiers = custom.Modifiers, ReturnType = custom.ReturnType.Clone(), Variables = { new VariableInitializer { Name = custom.Name } } }; } return(newNode); }