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Article #12686

Re: JTree update problems

#12686
From: Tom Kückelhahn Nilson
Date: Wed, 25 Nov 1998 00:00
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Will Sargent wrote:

> Martin Steger wrote:
>
> > Hi there
> >
> > I've a big Problem with updating my JTree from the swing Package. I've
> > created my own Treemodel and with this Treemodel I've createt my JTree.
> > My big Problem is, to make the changes in the model visible in the
> > JTree. I tried a view methods from JTree, but nothing works. When a
> > change is made in the model, I'm fireing a Event to a AbstractTreeModel
> > and this one passes this to a TreeModelListener. This one try to update
> > the tree, but with no result. I tried to do that since two days.
> >
> > Has anybody a good example, or the solution for this problem.
>

I have a problem with JTree that looks like the same:
In a class I have a JTree that is constructed with it's TreeModel as parameter
in the constructor. When this tree is constructed and displayed the
TreeModel's data is changed (some more nodes are added).
Simply having the JTree to repaint isn't enough. It is only painted correctly
if the node with the updated branch hasn't been showing yet.

Tom
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From: Tom Kückelhahn Nilson <tom@krause.dk>
Subject: Re: JTree update problems
Date: 1998/11/25
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