Comments for Flexponential

Comment on Zoom in on items in a List with a TileLayout by Steven Shongrunden

Steven Shongrunden — Mon, 08 Mar 2010 01:19:50 +0000

@Jason – If you look at mx.geom.TransformOffsets you will see that you can control rotation, scale, and position in postLayoutTransformOffsets. You could build some logic into your renderer that would set the position to the center of the List but that will get tricky pretty fast and I wouldn’t recommend that approach. Also moving something in the hovered state might not work as you expect since it will no longer be hovered if it moves enough such that it is no longer under the mouse. This will cause a flickering.

Comment on Learn how to create a simple virtual layout in Flex 4 by Steven Shongrunden

Steven Shongrunden — Sun, 07 Mar 2010 20:57:15 +0000

@anon – Thanks for the feedback. This post was designed to use the simplest custom layout I could think of in order to demonstrate the process of taking a non-virtual custom layout and making it virtual.

You should be able to start with a non-virtual CoverFlow layout and after following the steps laid out above make it capable of handling the virtual case. If you find that this process doesn’t work for you then please leave a comment with what didn’t work so I can update this post. I would also look at Evtim’s blog for some 3D layout tips.

Comment on Learn how to create a simple virtual layout in Flex 4 by anon

anon — Sun, 07 Mar 2010 18:54:36 +0000

Is there way to tweak this example to achieve a cover-flow like layout?

Comment on Learn how to create a simple virtual layout in Flex 4 by anon

anon — Sun, 07 Mar 2010 00:45:15 +0000

This is awesome! I have been looking for an article like this, since first learning about the new Spark architecture. Thanks for putting this up.

Comment on Adding a background color to a spark Group by David Salahi

David Salahi — Tue, 02 Mar 2010 05:21:32 +0000

Ah, that explains it! I was wondering how to get rid of that gray-green color. And why there was no background color property. Makes perfect sense now.

Thanks,
David Salahi

Comment on Performance implications of the List itemRenderer vs. itemRendererFunction properties by Franto

Franto — Tue, 23 Feb 2010 10:42:24 +0000

I’ve found one problem with virtual layout:

There is problem with correct size of Spark List when useVirtualLayout is used for VerticalLayout. Here is ADobe bug ticket:

http://bugs.adobe.com/jira/browse/SDK-25605

please vote for it. Thank you

Comment on Zoom in on items in a List with a TileLayout by Jason

Jason — Thu, 18 Feb 2010 23:07:07 +0000

Great post! How would you go about moving all the hovered objects to the center of the list component? So if I hover over item0 I would like it to move to the center of the list component and do the scale up at that point.

Comment on Zoom in on items in a List with a TileLayout by johans

johans — Thu, 18 Feb 2010 05:45:52 +0000

Very nice. Thanks.

Comment on List with truncation instead of a horizontal scroll bar by Rodislav Moldovan

Rodislav Moldovan — Tue, 16 Feb 2010 11:08:32 +0000

cool!

Comment on Binding warnings when using Object in a List dataProvider by Steven Shongrunden

Steven Shongrunden — Sun, 14 Feb 2010 23:29:41 +0000

@johans – Thanks for the link, I had not thought of that approach before.

But this might not work as you would expect in spark. In general a spark ItemRenderer should never have logic waiting on the creationComplete event. This is because of item renderer recycling. If you do use the ObjectProxy approach you will still need to override the data setter (or handle the dataChange event) rather than having that logic in creationComplete.

I’ve added an extra code snippet to option 1 above to demonstrate keying off of the dataChange event instead of overriding set data since some find that more convenient.