this.tmpGroupRoot = tmpGroupRoot;
}
public boolean makeChange(BasePanel panel, BibtexDatabase secondary, NamedCompound undoEdit) {
final GroupTreeNode root = panel.getGroupSelector().getGroupTreeRoot();
final UndoableModifySubtree undo = new UndoableModifySubtree(
panel.getGroupSelector(), root, Globals.lang("Modified groups")); // JZTODO lyrics
root.removeAllChildren();
if (m_changedGroups == null) {
// I think setting root to null is not possible
root.setGroup(new AllEntriesGroup());