treePanel = createTreePanel();
registerTreeController();
}
private CheckedTree createTree() {
CheckedTree tree = CheckedTree.createCheckedTree(protoTypeModel, new Renderer());
tree.setRootVisible(false);
tree.setShowsRootHandles(true);
tree.addCheckListener(container);
tree.setRowHeight(0);
tree.setVisibleRowCount(12);
tree.expandAll();
return tree;
}