[Qt-interest] QAbstractItemModel

[Arnold Krille]

On Sunday 29 March 2009 18:46:41 TP wrote:
> But there remains a problem with top-level items, and all the items below
> the top-level items:
> * they never appear (neither the top-level items nor their children),
> whereas I do beginInsertRows(), etc.
> * when additionnally to beginInsertRows(), etc., I emit layoutChanged(),
> the added top-level items appear, but not their children.

Is your model empty when showing the view? I had/have the effect that when the 
model is empty, the top-level is folded. And the very top-level element 
doesn't have a button to unfold. So you have to call expand(...) or 
expandAll() after the first items in the tree appear...

Have fun,

Arnold
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