that would be great to take a look at.
thanks!
--- In flexcoders@yahoogroups.com, "Josh McDonald" <[EMAIL PROTECTED]> wrote:
>
> Got something that does this, it's almost done. I'll post it online
> somewhere soon and post a link on the list.
>
> It's a helper class rather than an extension of ArrayCollection
though, coz
> that's more useful to me.
>
> -J
>
> On Thu, Jun 5, 2008 at 3:00 AM, Tracy Spratt <[EMAIL PROTECTED]> wrote:
>
> > Depending on how you will use this, you might consider
extending
> > ArrayCollection and adding getItemByKey support.
> >
> >
> >
> > I have not done this, but would probably try maintaining an
associative
> > array in the extended AC.
> >
> >
> >
> > Come to think of it one of our component gurus might already have
done such
> > a thing, or know why not to try! Do a search.
> >
> >
> >
> > Tracy
> >
> >
> > ------------------------------
> >
> > *From:* flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] *On
> > Behalf Of *Tim Hoff
> > *Sent:* Tuesday, June 03, 2008 9:42 PM
> > *To:* flexcoders@yahoogroups.com
> > *Subject:* [flexcoders] Re: replacing items in an arraycollection?
> >
> >
> >
> >
> > If you're rolling your own, that's the way.
> >
> > -TH
> >
> > --- In flexcoders@yahoogroups.com <flexcoders%
40yahoogroups.com>, "blc187"
> > <blc187@> wrote:
> > >
> > > I have an ArrayCollection of objects that I am receiving
updates on.
> > > On update, I get the updated item as an argument and I need to
> > > replace the old item in the list.
> > > Right now I am cycling through the ArrayCollection until i find
the
> > > id of the item and returning the index, then replacing the item
at
> > > that index.
> > > Any thoughts on a better way to do this?
> > >
> > >
> > > public var itemCollection:ArrayCollection;
> > >
> > > public function onUpdateReceived(newItem:Object):void {
> > > findIndex(newItem);
> > > if(index > -1)
> > > itemCollection.setItemAt(newItem, index);
> > > }
> > >
> > > public function findIndex(newItem:Object):Number {
> > >
> > > for each(var itemInCollection:Object in itemCollection){
> > > if(itemInCollection.id == newItem.id) return
> > > itemCollection.getItemIndex(itemInCollection);
> > > }
> > >
> > > return -1;
> > > }
> > >
> >
> >
> >
>
>
>
> --
> "Therefore, send not to know For whom the bell tolls. It tolls for
thee."
>
> :: Josh 'G-Funk' McDonald
> :: 0437 221 380 :: [EMAIL PROTECTED]
>
