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Javascript Tree Views That Support Multiple Item Drag/drop

We are currently using the ExtJS tree view in an application - a requirement has arisen requiring a user to select multiple nodes (which the tree view supports currently through a pluggable selection model) - but you can not then drag the multiple selections to another part of the tree.

Does anyone know of an ajax control (commercial or non-commercial) that supports multiple-selection drag / drop - or a example of enabling this functionality in ExtJS?

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Answer

Got the same issue. I just found the solution :

..new Ext.tree.TreePanel({
  ...
  selModel : new Ext.tree.MultiSelectionModel()
  ...
})
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source: stackoverflow.com
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