public bool Delete(DataRepository observedData)
{
var usersOfObservedData = allUsersOfObservedData(observedData).ToList();
if (usersOfObservedData.Any())
{
throw new CannotDeleteObservedDataException(observedData.Name, usersOfObservedData.Select(typeNamed).ToList());
}
var viewResult = _dialogCreator.MessageBoxYesNo(Captions.ReallyDeleteObservedData(observedData.Name));
if (viewResult == ViewResult.No)
{
return(false);
}
var removeCommand = new RemoveObservedDataFromProjectCommand(observedData).Run(_executionContext);
_executionContext.AddToHistory(removeCommand);
return(true);
}