public JsonTreeTableView(TreeNode rootNode, ColumnInfo[] columnInfos) {
super(new ListTreeTableModelOnColumns(rootNode, columnInfos));
this.columns = columnInfos;
final TreeTableTree tree = getTree();
tree.setShowsRootHandles(true);
tree.setRootVisible(false);
UIUtil.setLineStyleAngled(tree);
setTreeCellRenderer(new MongoKeyCellRenderer());
TreeUtil.expand(tree, 2);