public async Task <IInteractiveWindowVisualComponent> GetOrCreateVisualComponent(IInteractiveWindowComponentContainerFactory componentContainerFactory, int instanceId = 0)
{
Shell.AssertIsOnMainThread();
if (ActiveWindow != null)
{
// Right now only one instance of interactive window is allowed
if (instanceId != 0)
{
throw new InvalidOperationException("Right now only one instance of interactive window is allowed");
}
return(ActiveWindow);
}
var evaluator = RInstallationHelper.VerifyRIsInstalled(Shell, _settings.RBasePath)
? new RInteractiveEvaluator(RSession, History, Shell, _settings)
: (IInteractiveEvaluator) new NullInteractiveEvaluator();
ActiveWindow = componentContainerFactory.Create(instanceId, evaluator);
var interactiveWindow = ActiveWindow.InteractiveWindow;
interactiveWindow.TextView.Closed += (_, __) => evaluator.Dispose();
_operations.InteractiveWindow = interactiveWindow;
await interactiveWindow.InitializeAsync();
ActiveWindow.Container.UpdateCommandStatus(true);
return(ActiveWindow);
}
private string ValidateRBasePath(string path)
{
// If path is null, folder selector dialog was canceled
if (path != null)
{
path = RInstallation.NormalizeRPath(path);
bool valid = RInstallationHelper.VerifyRIsInstalled(VsAppShell.Current, path, showErrors: !_allowLoadingFromStorage);
if (!valid)
{
path = null; // Prevents assignment of bad values to the property.
}
}
return(path);
}
