Did you try it with Flex 2? Sorry if I didn't make that clear.
--- In flexcoders@yahoogroups.com, "Tim Hoff" <timh...@...> wrote:
>
>
> Hmm, ran your code and it worked fine. Clicked the add item button the
> first time and "1" showerd up. Maybe try adding
> filtered_stuff.refresh(); to the addItem function.
>
> -TH
>
> --- In flexcoders@yahoogroups.com, "bnjmnhggns" <bhiggins@> wrote:
> >
> > Hi all, I've been having weird problems involving Lists,
> dataProviders, ListCollectionViews with and ArrayCollections. I was able
> to reproduce one of my problems below.
> >
> > I have a ListCollectionView (filtered_stuff) that's viewing an
> ArrayCollection (stuff). stuff initially just has one element.
> filtered_stuff has a filterFunction that filters out this element.
> >
> > Here's the weird part. Clicking on Add item once does not show the
> added item in the List. Clicking on Add item again will result in TWO
> items showing up in the list. After that, clicking Add item behaves as
> you might expect.
> >
> > Why is it behaving this way?
> >
> > Thanks,
> >
> > Ben
> >
> > Code:
> >
> > <?xml version="1.0"?>
> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml";>
> > <mx:Panel title="List dataProvider test" creationComplete="onCreate()"
> > paddingTop="10" paddingBottom="10" paddingLeft="10" paddingRight="10">
> >
> > <mx:List id="list" width="100%" dataProvider="{filtered_stuff}"/>
> > <mx:Button click="addItem()" label="Add item"/>
> > </mx:Panel>
> >
> > <mx:Script>
> > <![CDATA[
> > import mx.collections.ListCollectionView;
> > import mx.collections.ArrayCollection;
> >
> > [Bindable] public var stuff:ArrayCollection;
> > [Bindable] public var filtered_stuff:ListCollectionView;
> >
> > public function addItem():void {
> > trace("adding item", stuff.length);
> > stuff.addItem({label: stuff.length});
> > }
> >
> > public function onCreate():void {
> > stuff = new ArrayCollection([{label: 0}]);
> > filtered_stuff = new ListCollectionView(stuff);
> > filtered_stuff.filterFunction = function(item:Object):Boolean {
> > return item.label > 0;
> > }
> > filtered_stuff.refresh();
> > }
> > ]]>
> > </mx:Script>
> > </mx:Application>
> >
>
