Programatically expanding a JTree
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Programatically expanding a JTree...
Sun Jun 24, 2012 06:19 AM


I have a JTree on a ScrollPane with multiple nodes and sub-nodes. The user can choose any of them directly.
Besides this I have a list of recently accessed nodes, when the user selects an entry from the list, the tree should expand the path to this node and select it.

I store a path for every node of the tree in a separate database so when a user selects an entry from the list I can immediately have its tree path. Then I use scrollPathToVisible(treepath) but it does not expand the tree.
I also tried expandPath(treepath) or even a combination of both but the tree does not expand at all.

What am I doing wrong ? whats the preferred method to programatically expand a tree path ?


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