public void TestPreviewOpenCloseFile()
{
using var previewWorkspace = new PreviewWorkspace();
var solution = previewWorkspace.CurrentSolution;
var project = solution.AddProject("project", "project.dll", LanguageNames.CSharp);
var document = project.AddDocument("document", "");
Assert.True(previewWorkspace.TryApplyChanges(document.Project.Solution));
previewWorkspace.OpenDocument(document.Id);
Assert.Equal(1, previewWorkspace.GetOpenDocumentIds().Count());
Assert.True(previewWorkspace.IsDocumentOpen(document.Id));
previewWorkspace.CloseDocument(document.Id);
Assert.Equal(0, previewWorkspace.GetOpenDocumentIds().Count());
Assert.False(previewWorkspace.IsDocumentOpen(document.Id));
}
public void UpdatePreview(string text)
{
const string start = "//[";
const string end = "//]";
var service = MefV1HostServices.Create(_componentModel.DefaultExportProvider);
var workspace = new PreviewWorkspace(service);
var document = workspace.OpenDocument(DocumentId.CreateNewId("document"), SourceText.From(text), Language);
var formatted = Formatter.FormatAsync(document, this.Options).WaitAndGetResult(CancellationToken.None);
var textBuffer = _textBufferFactoryService.CreateTextBuffer(formatted.SourceText.ToString(), _contentType);
var container = textBuffer.AsTextContainer();
var documentBackedByTextBuffer = document.WithText(container.CurrentText);
var bufferText = textBuffer.CurrentSnapshot.GetText().ToString();
var startIndex = bufferText.IndexOf(start, StringComparison.Ordinal);
var endIndex = bufferText.IndexOf(end, StringComparison.Ordinal);
var startLine = textBuffer.CurrentSnapshot.GetLineNumberFromPosition(startIndex) + 1;
var endLine = textBuffer.CurrentSnapshot.GetLineNumberFromPosition(endIndex);
var projection = _projectionBufferFactory.CreateProjectionBufferWithoutIndentation(_contentTypeRegistryService,
_editorOptions.CreateOptions(),
textBuffer.CurrentSnapshot,
"",
LineSpan.FromBounds(startLine, endLine));
var textView = _textEditorFactoryService.CreateTextView(projection,
_textEditorFactoryService.CreateTextViewRoleSet());
this.TextViewHost = _textEditorFactoryService.CreateTextViewHost(textView, setFocus: false);
workspace.CloseDocument(document.Id);
workspace.OpenDocument(document.Id, documentBackedByTextBuffer.SourceText, Language);
//workspace.UpdateDocument(documentBackedByTextBuffer.Id, documentBackedByTextBuffer.SourceText);
}
