tableScrollPane.setViewportView(jtable);
tablePanel.add(tableScrollPane);
// Listen for selections on the tree and update the right-hand table
// with the children for the currently selected node.
jtree.addAsyncTreeSelectionListener(new AsyncTreeSelectionListener() {
public void treeSelectionChanged(ContentNode node) {
treeSelectedNode = node;
if (node == null) {
jtable.setContentCollection(null);
} else if (node instanceof ContentCollection) {