The older tree, which is in extensions now, did use the TreeModel more
extensively it seems. Imo, implementing your custom treenodes is the
way to go for dynamic nodes anyway, but I'm not sure why Matej skips
the TreeModel. Matej?
Eelco
On 5/2/07, Mats Norén <[EMAIL PROTECTED]> wrote:
> Just a quick question/clarification about the current Tree in 1.3.
>
> Is it correct that the AbstractTree only uses a TreeModel to gain
> access to the root TreeNode?
>
> Looking at the code in AbstractTree.java line 499:
>
> // is root item created? (root item is null if the items have not
> // been created yet, or the whole tree was dirty and
> clearAllITem
> // has been called
> if (rootItem == null)
> {
> TreeNode rootNode =
> (TreeNode)((TreeModel)getModelObject()).getRoot(); <!-- look here
> if (rootNode != null)
> {
> if (isRootLess())
> {
> rootItem =
> newTreeItem(rootNode, -1);
> }
> else
> {
> rootItem =
> newTreeItem(rootNode, 0);
> }
> itemContainer.add(rootItem);
> buildItemChildren(rootItem);
> }
> }
>
> I tried to implement my own TreeModel but noticed that it only called
> getRoot() and nothing else...
>
> Is this the intended behavior?
>
> Does this mean that I have to implement my own TreeNode to build a dynamic
> tree?
>
> /Regards Mats
>
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