Hello, my question is simple : How could I call an action when, for exemple, i click on a TreeNode? The situation is 2 class, a tree in the first one, an empty panel in the second one. when i clik on a node, i want to open a Window, or Panel, or Portlet, or, etc... in the empty panel (that is done by a functio in the empty panel' class). but i dont know how to do. maybe using event?
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