Hi Lance, I think I made some excellent progress tonight, however I seem to
be stuck at the Value Encoder and DAO. I apologize if these questions seem
simple. I specialize in UI, so this component tends to present a big
challenge for me.
I've implemented everything you outlined without issue.
Below is my page class containing the value encoder. I'm having a difficult
time getting the root nodes as well as the toValue node from the
CategoryNode. Do you think you could take a quick look at my code snippet
and offer a suggestion?
@Inject
private Session session;
private TreeModel<CategoryNode> selectModel;
@InjectComponent
private Tree tree;
public TreeModel<CategoryNode> getTreeModel() {
if (selectModel == null) {
ValueEncoder<CategoryNode> encoder = new
ValueEncoder<CategoryNode>() {
@Override
public String toClient(CategoryNode node) {
return node.getCategory().getId().toString();
}
@Override
public CategoryNode toValue(String nodeId) {
return;
}
};
//Haven't figured out how to obtain rootNodes.
selectModel = new DefaultTreeModel<CategoryNode>(encoder, new
CategoryTreeModelAdapter(session), rootNodes);
}
return selectModel;
}
Cheers,
George
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