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Re: DnD JTree

On Tuesday, Jul 8, 2003, at 18:18 Europe/Bucharest, email@hidden wrote:

| Second: I have no idea how enable dragging more than one node ...

Include more than one node to whatever it is you're using as the dragged data. Usually, that would mean adding all the currently-selected nodes (which requires that your tree allow multiple selection).


There is a problem with multiple selection in a tree and DnD, because if the user selects more than one node in the tree and starts a drag, only the node that was under the mouse pointer remains selected.
What we did to enable multiple selection DnD was to remember the currently selected nodes in the tree (register as a selection listener in the tree) and when a drag is initiated, manually select the nodes if the mouse was pressed on one of the previous selected nodes.


Catalin Bratu
Software Development Manager

ADCON TELEMETRY srl
Bd. Ion Ionescu de la
Brad No. 8, Bucharest
R-71592, Romania
Tel.: +40 (21) 490-6083
Fax.: +40 (21) 490-6086
eMail: email@hidden
http://www.adcon.com
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