Re: JTrees -- how to programmatically expand one?

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#8065

From: Olivier Morris
Date: Mon, 23 Apr 2001 17:31

34 lines
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this works for me in a situation where I'm adding a node and then having the
list show its addition by expanding the tree...

TreeNode[] nodes = model.getPathToRoot(n); // where n = my new
DefaultMutableTreeNode
TreePath path = new TreePath(nodes);
tree.maekVisible(path);

HTH

Oli
"Ken Warner" <kwarner@cts.com> wrote in message
news:3AE43B8F.1729735A@cts.com...
> Hi,
>
> I have a JTree in a JScrollPane.  It is a three level pain -- ooops -- I
> mean tree.
>
> I want to expand to a particular node.  I know what node I want to
> expand to.
> How do I use that node to expand the tree?  The tree starts completely
> collapsed
> so that only the root node is showing.  There are 9 "middle" nodes and
> those
> 9 middle nodes can have from 0 to 200 leaf nodes.
>
> I want to expand the tree to a particular leaf node.
>
> Pointers? Thoughts? *CODE*?
>
> --
> Ken Warner
>
>

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From: "Olivier Morris" <Olivier.Morris@Ntlworld.com>
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Subject: Re: JTrees -- how to programmatically expand one?
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