public UpdaterTreeState(AbstractTreeUi ui, boolean isEmpty) {
myUi = ui;
if (!isEmpty) {
final JTree tree = myUi.getTree();
putAll(addPaths(tree.getSelectionPaths()), myToSelect);
putAll(
addPaths(tree.getExpandedDescendants(new TreePath(tree.getModel().getRoot()))),
myToExpand);
}
}
private void saveExpansionState() {
Object root = companionsTable.getTreeTableModel().getRoot();
Enumeration<TreePath> paths = tree.getExpandedDescendants(new TreePath(root));
expandedPaths = Collections.list(paths);
}