/* removes a subcategory - triggered by categories tab only */
public String btnRemoveSubCat_action() {
NonHumanCategory category = getCurrentlySelectedCategory();
if (category != null) {
if (category.removeSubCategory(_sb.getNhResourcesSubcategoryChoice())) {
_orgDataSet.updateNonHumanCategory(category);
_sb.setNhResourcesSubcategoryChoice("None");
} else _msgPanel.error("Failed to remove subcategory.");
}
return null;
}
