Ejemplo n.º 1
0
        public bool ExecuteCommand(GotoBraceCommandArgs args, VSCommanding.CommandExecutionContext executionContext)
        {
            var snapshot = args.SubjectBuffer.CurrentSnapshot;
            var document = snapshot.GetOpenDocumentInCurrentContextWithChanges();

            var caretPosition = args.TextView.Caret.Position.BufferPosition.Position;

            var task = _braceMatchingService.FindMatchingSpanAsync(document, caretPosition, executionContext.OperationContext.UserCancellationToken);
            var span = task.WaitAndGetResult(executionContext.OperationContext.UserCancellationToken);

            if (!span.HasValue)
            {
                return(false);
            }

            if (span.Value.Start < caretPosition)
            {
                args.TextView.TryMoveCaretToAndEnsureVisible(args.SubjectBuffer.CurrentSnapshot.GetPoint(span.Value.Start));
            }
            else if (span.Value.End > caretPosition)
            {
                args.TextView.TryMoveCaretToAndEnsureVisible(args.SubjectBuffer.CurrentSnapshot.GetPoint(span.Value.End));
            }

            return(true);
        }
        public bool ExecuteCommand(TypeCharCommandArgs args, VSCommanding.CommandExecutionContext executionContext)
        {
            if (args.TypedChar == '/')
            {
                var caret = args.TextView.GetCaretPoint(args.SubjectBuffer);
                if (caret != null)
                {
                    var(snapshot, position) = caret.Value;

                    // Check that the line is all whitespace ending with an asterisk and a single space (| marks caret position):
                    // * |
                    if (position >= 2 &&
                        snapshot[position - 1] == ' ' &&
                        snapshot[position - 2] == '*')
                    {
                        var line = snapshot.GetLineFromPosition(position);
                        if (line.End == position &&
                            line.IsEmptyOrWhitespace(0, line.Length - 2))
                        {
                            if (args.SubjectBuffer.GetFeatureOnOffOption(FeatureOnOffOptions.AutoInsertBlockCommentStartString) &&
                                BlockCommentEditingCommandHandler.IsCaretInsideBlockCommentSyntax(caret.Value))
                            {
                                args.SubjectBuffer.Replace(new VisualStudio.Text.Span(position - 1, 1), "/");
                                return(true);
                            }
                        }
                    }
                }
            }

            return(false);
        }
 public bool ExecuteCommand(VSEditorCommands.ReturnKeyCommandArgs args, VSCommanding.CommandExecutionContext context)
 {
     return(TryHandleReturnKey(args.SubjectBuffer, args.TextView));
 }