private ExecuteCommandCreateNewFilterFromCatalogue(IActivateItems itemActivator, ICatalogue catalogue) : base(itemActivator)
{
if (catalogue == null)
{
SetImpossible("No Catalogue found");
return;
}
_filters = catalogue.GetAllFilters();
if (!_filters.Any())
{
SetImpossible("There are no Filters declared in Catalogue '" + catalogue + "'");
}
}