private void markNodeAsValid(Node node) {
TreeItem<Node> validItem = findItem(node);
if (validItem != null && validItem.getGraphic() != null) {
validItem.getGraphic().setVisible(false);
}
}
private void setupGraphic() {
TreeItem<DbTreeValue> treeItem = getTreeItem();
if (treeItem != null && treeItem.getGraphic() != null) {
setGraphic(treeItem.getGraphic());
} else {
setGraphic(null);
}
}