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);
}
