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" > <[EMAIL PROTECTED]> 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]
