public void restore(BreakpointTree tree) {
final List<TreePath> pathsToExpand = getPaths(tree, myExpandedUserObjects);
if (!pathsToExpand.isEmpty()) {
TreeUtil.restoreExpandedPaths(tree, pathsToExpand);
}
final List<TreePath> pathsToSelect = getPaths(tree, mySelectedUserObjects);
if (!pathsToSelect.isEmpty()) {
tree.getSelectionModel().clearSelection();
tree.setSelectionPaths(pathsToSelect.toArray(new TreePath[pathsToSelect.size()]));
}
}
public TreeStateSnapshot(BreakpointTree tree) {
final List<TreePath> expandedPaths = TreeUtil.collectExpandedPaths(tree);
myExpandedUserObjects =
getUserObjects(expandedPaths.toArray(new TreePath[expandedPaths.size()]));
mySelectedUserObjects = getUserObjects(tree.getSelectionPaths());
}