Anyone reading this thread because they are experiencing issues with item renderers... READ ALEX's BLOG!!!
Great write-ups Alex. Thanks --- In [email protected], "Alex Harui" <[EMAIL PROTECTED]> wrote: > > Renderers get recycled so make sure your renderer can be refreshed w/o > being re-created. More info on my blog (blogs.adobe.com/aharui) > > ________________________________ > > From: [email protected] [mailto:[EMAIL PROTECTED] On > Behalf Of Matt Maher > Sent: Wednesday, December 26, 2007 11:26 AM > To: [email protected] > Subject: [flexcoders] ItemRenderer in TileList not redrawing? > > > > Setup: > I have a tilelist with a customer item renderer and an array > collection dataprovider. The array collection has 100 items. The list > can show 10 renerers on the screen. > > Problem: > When I change (filter) the underlying array collection to 5 items the > list redraws correctly in that there are only 5 items in it, but it's > just the 1st 5 which were on the list before the filter. > > Basically, the array is changing, the list is changing, but the 1st 5 > itemRenderers are not redrawing. Looking at the underlying array the > 5 elements are, in fact, different than what is being drawn on the > screen. It's as if they just are not being re-bound. > > Anonther example: > Since only 10 can show in the list, when I filter the collection to > 50 the scroll bar changes size (showing me that the list has changed) > but the 10 items showing are the same as they were before the filter. > > HOWEVER! > > If I scroll down, then back up (thus taking those 10 off the screen > and then bringing them back on) they are rendered correctly. In other > words, it is just that the items which were already drawn on the > screen are not being refreshed. > > I have tried list.executeBindings(); > list.invalidateDisplayList(); > list.invalidateList(); > list.invalidateProperties(); > > I have tried making a new array collection and changing the data > provider of the list, but nothing works. > > Is there a way to go into the items of the list and "refresh" or "re- > render" them? And what am I doing wrong to make this necesarry?? > > Please help >
