Can you please give me some directions? (It's not a "more Items than TotalLength" problem)
-----Ursprüngliche Nachricht----- Von: Tom Chiverton [mailto:[email protected]] Gesendet: Mittwoch, 9. Oktober 2013 18:31 An: [email protected] Betreff: Re: AsyncListView & DataGrid - Exception in GridViewLayout.as Did you try the modifications I outline on James blog ? Tom On 09/10/2013 16:48, Ulrich Andreas wrote: > Hello everyone, > > I'm using James Wards implementation of a virtual paged grid > (http://www.jamesward.com/2010/10/11/data-paging-in-flex-4/ > https://github.com/jamesward/DataPaging/blob/master/src/PagedList.as) > > It mostly works fine but I get an Exception in GridViewLayout.as when pulling > the vertical scrollbar right to the end resulting in loading the last > Datablock. > > It crashes in here: > > private function freeLinearElements ( > elements:Vector.<IVisualElement>, > oldIndices:Vector.<int>, > newIndices:Vector.<int>, > lastIndex:int):void > { > // TODO(hmuller): rewrite this, should be one pass (no indexOf) > for (var i:int = 0; i < elements.length; i++) > { > const offset:int = newIndices.indexOf(oldIndices[i]); > if ((oldIndices[i] == lastIndex) || (offset == -1)) > { > const elt:IVisualElement = elements[i]; > if (elt) > { > freeGridElement(elt); > elements[i] = null; > } > } > } > } > > The elements Vector (and thus the int i variable) is larger than the length > of the oldIndices Vector therefore access to oldIndices[i] throws an > exception at some point. > > I don't know how to catch this Exception in my Application Code - if this > would be possible at all. > To fix this issue I surrounded the loop with a try catch block and > built a new spark.swf - absolutely not the way I want to handle this > :( > > Should this be filed as a bug or is there any suggestion where I could tweak > my application code to prevent this exception? > > > Regards > Andi > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please visit http://www.symanteccloud.com > ______________________________________________________________________ > >
