private static async Task <Solution> CreateFiles(Document document, SyntaxNode root,
SemanticModel model, ImmutableArray <TypeToRemove> typesToRemove,
Func <string, string> typeFolderGenerator,
CancellationToken token)
{
var project = document.Project;
var workspace = project.Solution.Workspace;
project = ExtractTypesToFilesCodeRefactoringProvider.MoveTypeNodes(
model, typesToRemove, typeFolderGenerator, project, token);
var newRoot = root.RemoveNodes(
typesToRemove.Select(_ => _.Declaration),
SyntaxRemoveOptions.AddElasticMarker);
var newSolution = project.Solution;
var projectId = project.Id;
newSolution = newSolution.WithDocumentSyntaxRoot(document.Id, newRoot);
var newDocument = newSolution.GetProject(project.Id).GetDocument(document.Id);
newRoot = await newDocument.GetSyntaxRootAsync(token);
var newModel = await newDocument.GetSemanticModelAsync(token);
var newUsings = newRoot.GenerateUsingDirectives(newModel);
newRoot = newRoot.RemoveNodes(
newRoot.DescendantNodes(_ => true).OfType <UsingDirectiveSyntax>(),
SyntaxRemoveOptions.AddElasticMarker);
newRoot = (newRoot as CompilationUnitSyntax)?.WithUsings(newUsings);
return(newSolution.WithDocumentSyntaxRoot(document.Id, newRoot));
}
public sealed override async Task ComputeRefactoringsAsync(
CodeRefactoringContext context)
{
var document = context.Document;
var documentFileNameWithoutExtension =
Path.GetFileNameWithoutExtension(document.FilePath);
var root = await document.GetSyntaxRootAsync(context.CancellationToken)
.ConfigureAwait(false);
var model = await document.GetSemanticModelAsync(context.CancellationToken)
.ConfigureAwait(false);
var typesToRemove = root.GetTypesToRemove(
model, documentFileNameWithoutExtension);
if (typesToRemove.Length > 1)
{
context.RegisterRefactoring(CodeAction.Create(
"Move types to files in folders",
async token => await ExtractTypesToFilesCodeRefactoringProvider.CreateFiles(
document, root, model, typesToRemove,
_ => _.Replace(".", "\\"), token)));
context.RegisterRefactoring(CodeAction.Create(
"Move types to files in current folder",
async token => await ExtractTypesToFilesCodeRefactoringProvider.CreateFiles(
document, root, model, typesToRemove,
_ => string.Empty, token)));
}
}