Hi,
I have a *qx.ui.tree.VirtualTree* widget whose *hideRoot* property is set to
true.
- When I click on a button, I add a child to the selected item, it works
without problem.
- When I click on another button, I add a child to the root item of the
tree. But in this case, the new child does not appear.
If I set the *hideRoot* property to false, the new child appears
immediately.
I solved this problem by setting hideRoot to false before adding the child,
then setting hideRoot to true again.
It seems to work perfectly (you don't even see the root item appear) but I'm
wondering if this is the right way to do it.
Here's the code when I add a child to the selected item:
----------
var newNode = { id: 0, title: 'New Item', children: [] };
var selectedItem = tree.getSelection().getItem(0);
selectedItem.getChildren().push(qx.data.marshal.Json.createModel(newNode,
true));
----------
And here's the code when I add a child to the root item:
----------
var newNode = { id: 0, title: 'New Item', children: [] };
*tree.setHideRoot(false);*
var treeModel = tree.getModel();
treeModel.getChildren().push(qx.data.marshal.Json.createModel(newNode,
true));
*tree.setHideRoot(true);*
----------
Am I doing something wrong ?
Many thanks for your help :-)
Marc
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