--- In flexcoders@yahoogroups.com, "ilikeflex" <ilikef...@...> wrote:
>
> Few months back i have the same requirement. I created function
>
> getUniqueElements(workListErrorFlag,"flag").
>
> This function takes the XMLList and the xml node name for which you
> want the unique elements.In your case it should be "filter" .It may
> be possible that you have to make some small chnages.
>
>
> private function getUniqueElements
> (list:XMLList,xmlTag:String):XMLListCollection
> {
> var xmlCollection:XMLListCollection = new
> XMLListCollection();
> var uniqueEvents:ArrayCollection = new
> ArrayCollection();
>
> for each( var systemxml:XML in list)
> {
> var system:String = systemxml.children
> ().length() > 1 ? systemxml[xmlTag].toString():String
> (systemxml.toString());
> if ( !uniqueEvents.contains(system) )
> {
> uniqueEvents.addItem(system);
> xmlCollection.addItem(new XML
> (<{xmlTag}>{system}</{xmlTag}>));
> }
> }
> return xmlCollection;
>
> }
>
>
> HTH
> ilikeflex
Here's another take that uses an AS function in an e4X expression:
http://joshblog.net/2007/05/17/filter-xml-data-with-e4x-in-flash-part-
2/
