Hi Rodney,
I can think of 2 possible ways to handle this based on my experience with
combo boxes.
1) Fill the data provider in the focusIn event (should work, don't know if
it's appropriate for your app.)
2) Create a composite control based on Canvas with a transparent Box over
the top of the ComboBox. Then use the click event of the Box to fill the
combo's data-provider and call combobox.open()
Kind of like:
---------------
<mx:Canvas xmlns:mx="...">
<mx:Script>
public function get selectedItem():Object {
return cbo.selectedItem;
}
private function rpcFillComplete(event:ResultEvent) {
cbo.dataProvider = event.result;
cbo.open();
}
</mx:Script>
<mx:ComboBox id="cbo" x="0" y="0" width="100%" height="100%"
editable="false" />
<mx:Box id="trickBox" x="0" y="0" width="100%" height="100%"
alpha="0.0" click="callRpcFill()" />
</mx:Canvas>
---------------
(above psudo-code will be close, not perfect)
I have NOT actually tried this, but I think it will work. This is of course
assuming that your combo is not editable. There would be a bit more code
than this depending on what you want your combo to do.
- Kelly
-----Original Message-----
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Tim Hoff
Sent: Friday, June 30, 2006 11:17 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: adding a service to open for ComboBox
Hi Rodney,
I had a similar problem with a combo box not staying open before. I was
using the render event to set focus to another control. It was taking the
focus away from the combo box. The combo box ould open and close
immediately. Maybe you are doing something similar.
-TH
--- In flexcoders@yahoogroups.com, Phil Marston <[EMAIL PROTECTED]>
wrote:
>
> Hi Rodney,
>
> I'm doing something similar, but I'm using a different even to
trigger
> the population of the dataprovider - I'm guessing this might
resolve
> your issue.
>
> If it helps - I find using the creationComplete attribute of the
> application tag to call a method (such as initApp()) that
populates the
> dataprovider works fine for me.
>
> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml";
> creationComplete="initApplication()">
> <mx:Script>
> <![CDATA[
> // import this and that
>
> public var myDataProvider : ArrayCollection;
>
> public function initApplication(): void
> {
> //remote service call where myDataProvider = result
> }
> ]]>
> </mx:Script>
>
> <mx:HBox>
> <mx:ComboBox id="cb" dataProvider="{myDataProvider}" />
> </mx:HBox>
>
> </mx:Application>
>
> HTH
>
> Phil
>
>
> rodneyjlucas wrote:
> > Hello,
> >
> > I would like to use a comboBox whos contents will be filled in
> > dynamically. The open command would trigger a remote call and
fill in
> > the data provider of the comboBox. This all works fine except
that
> > when you click on the pulldown it will close it before you get a
> > chance to select anything.
> >
> > I have tried executing an the combobox.open() method but it still
> > won't stay open. Does anyone know what I might be missing?
> >
> > Rodney
> >
> >
> >
> >
> >
> >
> > --
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> >
> >
> >
> >
> >
> >
>
> --
> ______________________________________________________________
> Phil Marston
> Learning Technologist
> Learning Technology Unit
> Edward Wright G33, University of Aberdeen, Aberdeen, AB24 3QY, UK
> [EMAIL PROTECTED] Tel: +44(0)1224 273329 / +44(0)7798 723660
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> http://www.abdn.ac.uk/diss/ltu/
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>
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