// the add button
header.add(new BookmarkablePageLink("addNew", StyleNewPage.class));
// the removal button
header.add(removal = new SelectionRemovalLink("removeSelected", table, dialog) {
@Override
protected StringResourceModel canRemove(CatalogInfo object) {
StyleInfo s = (StyleInfo) object;
if ( StyleInfo.DEFAULT_POINT.equals( s.getName() ) ||
StyleInfo.DEFAULT_LINE.equals( s.getName() ) ||