public IEnumerable <SuggestedActionSet> GetSuggestedActions(ISuggestedActionCategorySet requestedActionCategories, SnapshotSpan range, CancellationToken cancellationToken)
{
if (IsDisposed || cancellationToken.IsCancellationRequested || _settings.AutomaticSync)
{
return(Enumerable.Empty <SuggestedActionSet>());
}
if (!range.Snapshot.TextBuffer.ContentType.TypeName.EqualsOrdinal(MdContentTypeDefinition.ContentType))
{
return(Enumerable.Empty <SuggestedActionSet>());
}
var codeBlock = TextView.GetCurrentRCodeBlock();
if (codeBlock == null)
{
return(Enumerable.Empty <SuggestedActionSet>());
}
var caretPosition = TextView.Caret.Position.BufferPosition;
var applicableSpan = codeBlock.ToSpan();
return(SuggestedActionProviders
.Where(ap => ap.HasSuggestedActions(TextView, TextBuffer, caretPosition))
.Select(ap => new SuggestedActionSet(ap.GetSuggestedActions(TextView, TextBuffer, caretPosition), applicableToSpan: applicableSpan)));
}
public IEnumerable <SuggestedActionSet> GetSuggestedActions(ISuggestedActionCategorySet requestedActionCategories, SnapshotSpan range, CancellationToken cancellationToken)
{
if (IsDisposed ||
cancellationToken.IsCancellationRequested ||
!range.Snapshot.TextBuffer.ContentType.TypeName.EqualsOrdinal(RContentTypeDefinition.ContentType))
{
return(Enumerable.Empty <SuggestedActionSet>());
}
var caretPosition = TextView.Caret.Position.BufferPosition;
var bufferPoint = TextView.MapDownToR(caretPosition);
if (!bufferPoint.HasValue)
{
return(Enumerable.Empty <SuggestedActionSet>());
}
var ast = _document?.EditorTree?.AstRoot;
var bufferPosition = bufferPoint.Value.Position;
_lastNode = ast?.GetNodeOfTypeFromPosition <TokenNode>(bufferPosition);
if (_lastNode == null)
{
return(Enumerable.Empty <SuggestedActionSet>());
}
var applicableSpan = _lastNode.ToSpan();
return(SuggestedActionProviders
.Where(ap => ap.HasSuggestedActions(TextView, TextBuffer, bufferPosition))
.Select(ap => new SuggestedActionSet(ap.GetSuggestedActions(TextView, TextBuffer, bufferPosition), applicableToSpan: applicableSpan)));
}
public Task <bool> HasSuggestedActionsAsync(ISuggestedActionCategorySet requestedActionCategories, SnapshotSpan range, CancellationToken cancellationToken)
{
if (TextView != null && !TextView.Caret.InVirtualSpace)
{
var rPosition = TextView.MapDownToR(TextView.Caret.Position.BufferPosition);
if (rPosition.HasValue && SuggestedActionProviders.Any(actionProvider => actionProvider.HasSuggestedActions(TextView, TextBuffer, rPosition.Value.Position)))
{
return(Task.FromResult(true));
}
}
return(Task.FromResult(false));
}
public Task <bool> HasSuggestedActionsAsync(ISuggestedActionCategorySet requestedActionCategories, SnapshotSpan range, CancellationToken cancellationToken)
=> Task.FromResult(
TextView != null &&
SuggestedActionProviders.Any(a => a.HasSuggestedActions(TextView, TextBuffer, PositionFromRange(range))));
