static void OnCodeCellEvent(ICodeCellEvent codeCellEvent)
{
// NOTE: events may post to cells "out of order" from evaluation in
// special cases such as reactive/IObservable integrations. This is
// not handled at all in this simple console client since we just
// append to stdout. Because of this, ignore "out of order" cell
// events entirely. A real UI would render them in the correct place.
if (lastCodeCellId != default && codeCellEvent.CodeCellId != lastCodeCellId)
{
return;
}
switch (codeCellEvent)
{
// a full UI would set cell state to show a spinner and
// enable a button to abort the running evaluation here
case CodeCellEvaluationStartedEvent _:
break;
// and would then hide the spinner and button here
case CodeCellEvaluationFinishedEvent finishedEvent:
lastCellEvaluationStatus = finishedEvent.Status;
switch (finishedEvent.Status)
{
case CodeCellEvaluationStatus.Disconnected:
RenderError("Agent was disconnected while evaluating cell");
break;
case CodeCellEvaluationStatus.Interrupted:
RenderError("Evaluation was aborted");
break;
case CodeCellEvaluationStatus.EvaluationException:
RenderError("An exception was thrown while evaluating cell");
break;
}
foreach (var diagnostic in finishedEvent.Diagnostics)
{
RenderDiagnostic(diagnostic);
}
break;
// and would render console output and results on the cell itself
// instead of just appending to the screen (see "out of order" note)
case CapturedOutputSegment output:
RenderOutput(output);
break;
case CodeCellResultEvent result:
RenderResult(result);
break;
}
}
public CodeCellEvaluationFinishedEvent(
CodeCellId codeCellId,
CodeCellEvaluationStatus status,
bool shouldStartNewCell,
IReadOnlyList <Diagnostic> diagnostics)
{
CodeCellId = codeCellId;
Status = status;
ShouldStartNewCell = shouldStartNewCell;
Diagnostics = diagnostics;
}
public CodeCellEvaluationFinishedEvent(CodeCellId codeCellId, CodeCellEvaluationStatus status, bool shouldStartNewCell, IReadOnlyList <Diagnostic> diagnostics);
