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Java Forum / GUI / February 2004

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VD - 20 Feb 2004 00:29 GMT
Suppose I have defined separate classes by extending JFrame, JTable and  and
JTree.  I want to place the JTable and JTree in the JFrame. When someone
clicks on an item in the JTree I want the JTable to be updated with some
information based on the selection.   What is the best way to do this?
Should a reference to the JFrame be passed to the constructors of JTable and
JTree when they are instantiated? Can a link be made between the JTree and
JTable without doing this?

Thanks.
ak - 20 Feb 2004 01:19 GMT
> Suppose I have defined separate classes by extending JFrame, JTable and  and
> JTree.  I want to place the JTable and JTree in the JFrame. When someone
[quoted text clipped - 3 lines]
> JTree when they are instantiated? Can a link be made between the JTree and
> JTable without doing this?

something like this:

class MyFrame extends JFrame {

   JTable table;
   JTree tree;

   public MyFrame() {
       table = new ...;
       tree = new ...;

       tree.getSelectionModel().addTreeSelectionListener(new
TreeSelectionListener() {
           //show data in JTable
       });
   }
}
--

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