// rootNode.appendChild(globalRootNode);
final TreePanel panel = genericExplorerWidget(rootNode);
panel.setRootVisible(false);
TreePanelListener treePanelListener = new TreePanelListenerAdapter() {
public void onClick(TreeNode node, EventObject e) {
if (node.getUserObject() instanceof PackageConfigData
&& !"global".equals(((PackageConfigData) node.getUserObject()).name)) {
PackageConfigData pc = (PackageConfigData) node.getUserObject();
RulePackageSelector.currentlySelectedPackage = pc.name;