public override void Commit() { var completion = CurrentCompletion.Completion as RoslynCompletion; if (completion == null) { base.Commit(); return; } var info = CompletionInfo.Create(ApplicableTo.TextBuffer.CurrentSnapshot); Debug.Assert(info != null); if (info == null) { return; } var change = completionService.GetChangeAsync(info.Value.Document, completion.CompletionItem, commitCharacter: null).GetAwaiter().GetResult(); var buffer = ApplicableTo.TextBuffer; var currentSnapshot = buffer.CurrentSnapshot; using (var ed = buffer.CreateEdit()) { foreach (var c in change.TextChanges) { Debug.Assert(c.Span.End <= originalSnapshot.Length); if (c.Span.End > originalSnapshot.Length) { return; } var span = new SnapshotSpan(originalSnapshot, c.Span.ToSpan()).TranslateTo(currentSnapshot, SpanTrackingMode.EdgeInclusive); if (!ed.Replace(span.Span, c.NewText)) { return; } } ed.Apply(); } if (change.NewPosition != null) { var snapshot = buffer.CurrentSnapshot; Debug.Assert(change.NewPosition.Value <= snapshot.Length); if (change.NewPosition.Value <= snapshot.Length) { textView.Caret.MoveTo(new SnapshotPoint(snapshot, change.NewPosition.Value)); textView.Caret.EnsureVisible(); } } }
public void AugmentCompletionSession(ICompletionSession session, IList<CompletionCollection> completionCollections) { var snapshot = session.TextView.TextSnapshot; var triggerPoint = session.GetTriggerPoint(snapshot); if (triggerPoint == null) return; var info = CompletionInfo.Create(snapshot); if (info == null) return; CompletionTrigger completionTrigger; session.Properties.TryGetProperty(typeof(CompletionTrigger), out completionTrigger); var completionList = info.Value.CompletionService.GetCompletionsAsync(info.Value.Document, triggerPoint.Value.Position, completionTrigger).GetAwaiter().GetResult(); if (completionList == null) return; Debug.Assert(completionList.DefaultSpan.End <= snapshot.Length); if (completionList.DefaultSpan.End > snapshot.Length) return; var trackingSpan = snapshot.CreateTrackingSpan(completionList.DefaultSpan.Start, completionList.DefaultSpan.Length, SpanTrackingMode.EdgeInclusive, TrackingFidelityMode.Forward); var completionCollection = RoslynCompletionCollection.Create(completionList, info.Value.CompletionService, session.TextView, trackingSpan); completionCollections.Add(completionCollection); }
bool TryStartSession(char c, bool isDelete) { if (HasSession) { return(false); } var info = CompletionInfo.Create(textView.TextSnapshot); if (info == null) { return(false); } int pos = textView.Caret.Position.BufferPosition.Position; var completionTrigger = isDelete ? CompletionTrigger.CreateDeletionTrigger(c) : CompletionTrigger.CreateInsertionTrigger(c); if (!info.Value.CompletionService.ShouldTriggerCompletion(info.Value.SourceText, pos, completionTrigger)) { return(false); } StartSession(info, completionTrigger); return(HasSession); }
CompletionService TryGetRoslynCompletionService() => CompletionInfo.Create(textView.TextSnapshot)?.CompletionService;