public override async Task <bool> IsAvailableAsync(EditorRefactoringContext context, CancellationToken cancellationToken)
{
SyntaxTree st = await context.GetSyntaxTreeAsync().ConfigureAwait(false);
Identifier identifier = (Identifier)st.GetNodeAt(context.CaretLocation, node => node.Role == Roles.Identifier);
if (identifier == null)
{
return(false);
}
if (MakeValidFileName(identifier.Name).Equals(Path.GetFileName(context.FileName), StringComparison.OrdinalIgnoreCase))
{
return(false);
}
if (identifier.Parent.Parent is TypeDeclaration)
{
return(false);
}
ParseInformation info = await context.GetParseInformationAsync().ConfigureAwait(false);
if (info.UnresolvedFile.TopLevelTypeDefinitions.Count == 1)
{
return(false);
}
return(identifier.Parent is TypeDeclaration || identifier.Parent is DelegateDeclaration);
}
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();
}
}
public static async Task <SyntaxTree> GetSyntaxTreeAsync(this EditorRefactoringContext editorContext)
{
var parseInfo = (await editorContext.GetParseInformationAsync().ConfigureAwait(false)) as CSharpFullParseInformation;
if (parseInfo != null)
{
return(parseInfo.SyntaxTree);
}
else
{
return(new SyntaxTree());
}
}
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();
}
}
public override async Task<bool> IsAvailableAsync(EditorRefactoringContext context, CancellationToken cancellationToken)
{
SyntaxTree st = await context.GetSyntaxTreeAsync().ConfigureAwait(false);
Identifier identifier = (Identifier)st.GetNodeAt(context.CaretLocation, node => node.Role == Roles.Identifier);
if (identifier == null) return false;
if (MakeValidFileName(identifier.Name).Equals(Path.GetFileName(context.FileName), StringComparison.OrdinalIgnoreCase))
return false;
if (identifier.Parent.Parent is TypeDeclaration)
return false;
ParseInformation info = await context.GetParseInformationAsync().ConfigureAwait(false);
if (info.UnresolvedFile.TopLevelTypeDefinitions.Count == 1)
return false;
return identifier.Parent is TypeDeclaration || identifier.Parent is DelegateDeclaration;
}