private void ApplyEdits(Document document, ITextView textView, ITextBuffer subjectBuffer,
ICommentSelectionService service, string title, CommentSelectionResult edits)
{
// Create tracking spans to track the text changes.
var currentSnapshot = subjectBuffer.CurrentSnapshot;
var trackingSpans = edits.TrackingSpans
.SelectAsArray(textSpan => (originalSpan: textSpan, trackingSpan: CreateTrackingSpan(edits.ResultOperation, currentSnapshot, textSpan.TrackingTextSpan)));
// Apply the text changes.
using (var transaction = new CaretPreservingEditTransaction(title, textView, _undoHistoryRegistry, _editorOperationsFactoryService))
{
document.Project.Solution.Workspace.ApplyTextChanges(document.Id, edits.TextChanges.Distinct(), CancellationToken.None);
transaction.Complete();
}
// Convert the tracking spans into snapshot spans for formatting and selection.
var trackingSnapshotSpans = trackingSpans.Select(s => CreateSnapshotSpan(subjectBuffer.CurrentSnapshot, s.trackingSpan, s.originalSpan));
if (trackingSnapshotSpans.Any())
{
if (edits.ResultOperation == Operation.Uncomment)
{
// Format the document only during uncomment operations. Use second transaction so it can be undone.
using var transaction = new CaretPreservingEditTransaction(title, textView, _undoHistoryRegistry, _editorOperationsFactoryService);
var formattedDocument = Format(service, subjectBuffer.CurrentSnapshot, trackingSnapshotSpans, CancellationToken.None);
if (formattedDocument != null)
{
formattedDocument.Project.Solution.Workspace.ApplyDocumentChanges(formattedDocument, CancellationToken.None);
transaction.Complete();
}
}
// Set the multi selection after edits have been applied.
textView.SetMultiSelection(trackingSnapshotSpans);
}
}
private void ApplyEdits(Document document, ITextView textView, ITextBuffer subjectBuffer, string title, CommentSelectionResult edits, CancellationToken cancellationToken)
{
var originalSnapshot = subjectBuffer.CurrentSnapshot;
// Apply the text changes.
using (var transaction = new CaretPreservingEditTransaction(title, textView, _undoHistoryRegistry, _editorOperationsFactoryService))
{
subjectBuffer.ApplyChanges(edits.TextChanges);
transaction.Complete();
}
if (edits.TrackingSpans.Any())
{
// Create tracking spans to track the text changes.
var trackingSpans = edits.TrackingSpans
.SelectAsArray(textSpan => (originalSpan: textSpan, trackingSpan: CreateTrackingSpan(edits.ResultOperation, originalSnapshot, textSpan.TrackingTextSpan)));
// Convert the tracking spans into snapshot spans for formatting and selection.
var trackingSnapshotSpans = trackingSpans.Select(s => CreateSnapshotSpan(subjectBuffer.CurrentSnapshot, s.trackingSpan, s.originalSpan));
if (edits.ResultOperation == Operation.Uncomment && document.SupportsSyntaxTree)
{
// Format the document only during uncomment operations. Use second transaction so it can be undone.
using var transaction = new CaretPreservingEditTransaction(title, textView, _undoHistoryRegistry, _editorOperationsFactoryService);
var newText = subjectBuffer.CurrentSnapshot.AsText();
var oldSyntaxTree = document.GetSyntaxTreeSynchronously(cancellationToken);
var newRoot = oldSyntaxTree.WithChangedText(newText).GetRoot(cancellationToken);
var formattingOptions = subjectBuffer.GetSyntaxFormattingOptions(_editorOptionsService, document.Project.LanguageServices, explicitFormat: false);
var formattingSpans = trackingSnapshotSpans.Select(change => CommonFormattingHelpers.GetFormattingSpan(newRoot, change.Span.ToTextSpan()));
var formattedChanges = Formatter.GetFormattedTextChanges(newRoot, formattingSpans, document.Project.Solution.Services, formattingOptions, rules: null, cancellationToken);
subjectBuffer.ApplyChanges(formattedChanges);
transaction.Complete();
}
// Set the multi selection after edits have been applied.
textView.SetMultiSelection(trackingSnapshotSpans);
}
}