TreeModel

[Arun]

Hi,

My program starts by loading an xml file to a JTree. It does so by
building up a rootNode, adding this to a TreeModel to the JTree.
Like buildTree = new JTree(treeModel).

How do i go about loading a complete new xml file, which creates a
complete new rootNode etc, which will in turn change the contents of
the JTree.

I tried adding this new rootNode to the treemodel, but this doenst
update the JTree.

 

[Arun]

Ok i did it.
Just overwrote the treemodel then used jtree.setModel(model) to refresh.

 

[Michael Rauscher]

Hi,

My program starts by loading an xml file to a JTree. It does so by
building up a rootNode, adding this to a TreeModel to the JTree.
Like buildTree = new JTree(treeModel).

How do i go about loading a complete new xml file, which creates a
complete new rootNode etc, which will in turn change the contents of
the JTree.

I tried adding this new rootNode to the treemodel, but this doenst
update the JTree.

Your model would need a method like setRoot(...). This method will have
to inform the JTree about the change you made. This is done by notifying
the listeners via TreeModelListener#treeStructureChanged. The
corresponding TreeModelEvent must hold a reference to the new root node,
of course.

Bye
Michael