Hi Daniel,
On Sunday 18 October 2009 Daniel Hirtzbruch wrote:
> I got an app containing several selectboxes. The first one contains static
> data which is never changed. When the selection on this first selectbox is
> changed, I make a request to get serverside data which adds a dynamic
> number of ListItems to 2 other selectboxes.
>
> Now I need to add an event to the 2nd and 3rd selectbox which is fired once
> when the listitems are added. I'm not able to add the event to the
> request's finish as the event should only be fired in some cases and is
> added lateron in the app when some other things happen.
> I already tried using the createChildControl Event on the 2nd and 3rd
> selectbox but this event never seems to be fired in my app.
The SelectBox widget uses a "qx.ui.form.List" widget as child control to
display the entries. This widget offers a "addItem" event which you can use to
get informed.
--snip--
selectBoxInstance.getChildControl("list").addListenerOnce("addItem",
function(e) { // your code here });
--snip--
> I think there should be an event which is fired when the listItems are
> changed, is there?
Yes, the "addItem" as described above if items are added and the
"changeSelection" if the user has selected an item.
cheers,
Alex
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