🚀 go-pugleaf

Hi,

additional information:
In JBuilder3 the code seem to work. VisualAge still uses JDK1.1.7 (?)
and imports com.sun.java.swing.tree.* instead of javax.swing.tree.*. Can
that be the problem?

Anyone got any ideas on how to solve this?

Regards
//Johan


In article <8ec3qm$pge$1@nnrp1.deja.com>,
  josa04@my-deja.com wrote:
> Hi,
>
> I'm trying to use a JTree and add nodes dynamically (I want to fetch
the
> data and add it to the tree dynamically when a node is expanded). I
> don't seem to get the tree to reflect th changes in the model.
>
> I define a JTree:
> rootNode = new DefaultMutableTreeNode("Root Node");
> treeModel = new DefaultTreeModel(rootNode);
> ivjJTree1 = new com.sun.java.swing.JTree(treeModel);
>
> I have a test function that adds a node:
> void addChild(String a)
> {
> 	DefaultMutableTreeNode childNode = new
> DefaultMutableTreeNode(a);
> 	treeModel.insertNodeInto(childNode, rootNode,
> rootNode.getChildCount());
> 	// Make sure the user can see the new node.
> 	ivjJTree1.expandPath(new TreePath(rootNode.getPath()));
> 	ivjJTree1.scrollPathToVisible(new
> TreePath(childNode.getPath()));
> }
>
> If this function is called BEFORE the tree is displayed on the screen
> the changes are visible,
> but if it is called when the tree is already visible the changes are
not
> reflected in the tree.
>
> I'm using Visual Age.
>
> Anyone got any ideas?
>
> Thanks in advance.
>
> Regards
> //Johan Samuelsson
>
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> Before you buy.
>


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