I am currently using the tree component to display hierarchical data, and now I'd like to have an Edit page that allows users to edit the data that is displayed in the tree. So, after the user saves the changes the tree view is displayed again, and the changes should be reflected in the tree.
setOptimizeItemRemoval to false should do the trick. Or maybe just
manually removeChildren when you suspect something changed (e.g. by
registring a listener).
Eelco
On 4/24/06, Steve Knight [EMAIL PROTECTED] wrote:
I am currently using the tree component to display hierarchical data, and
now
The data for the tree comes from a database. And the user may also move a node to a different part of the tree. I would like to rebuild the entire tree from the database on each page view, but I'd like it to maintain the expanded and selected states. How should I go about doing this?
SteveOn
That's the beauty of that Swing tree model. It should work as the
selection is held in the TreeState object. So if you set
OptimizeItemRemoval to false, it triggers redrawing the child
components everytime, but using the current tree state. So, just
setting that flag - btw the new method name for
