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Glad you found what you are needing to do.
Java's JTree defaults won't match what you are looking to do visually. Using custom renderer's may help on that one, but after a quick test I can't get the little rotation icon to go away (or + sign, or whichever depending on your theme). So it looks like you may need to hit the actual paint of the TreeCellRenderer object in order to get around that and match what you are doing here.
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