protected Widget packageTree() {
TreeNode pkg = ExplorerNodeConfig.getPackageItemStructure(parentConf.name, snapInfo.uuid);
pkg.setUserObject(snapInfo);
TreeNode root = new TreeNode(snapInfo.name);
root.appendChild(pkg);
TreePanel tp = GenericPanel.genericExplorerWidget(root);
tp.setRootVisible(false);
tp.addListener(new TreePanelListenerAdapter() {
public void onClick(TreeNode node, EventObject e) {