Need to create tree-view page.

I'm trying to create a tree-view display using Oracle JDeveloper 10g Release 3, ADF and JSF.
I need to show a tree (folder names) and on a click of the last level folder to show table with File names that are related to the selected folder.
Data is stored in two tables:
1. contains Folder names and hierarchy relations;
2. contains File names.
These tables related by folder ID.
Using ADF Faces Component, I created a 3 level Tree that expends and collapses each level of Folder names but I don't know how to populate the View part (table with File names). Basically, I need to take an ID of the selected row in the Tree and pass it as a parameter to the View table query where clause.

Since this is not a hibernate forum i suggest you ask your question about hibernate somewhere else.

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