% column_count ||= begin config = if nested? and (nested.singular_association? || action_name == 'index') active_scaffold_config_for(nested.parent_model) else active_scaffold_config end # increment in 1 for self-associations, parent_model config will have constraints too config.list.columns.count + 1 + (config == active_scaffold_config && action_name == 'index' ? 1 : 0) end %> <%# nested_id, allows us to remove a nested scaffold programmatically %>