} else if (isParameter(editItem) && isAggregate()) {
// can edit name and description, but not Type (set from override)
ConfigurationParameter existingCP = getCorrespondingModelParm(editItem);
AddParameterDialog dialog = new AddParameterDialog(this, existingCP);
if (dialog.open() == Window.CANCEL)
return;
alterExistingConfigurationParameter(dialog, editItem);
// TODO consequences of changes in rest of model?
commonActionFinishDirtyIfChange();