Really? Nobody has ever built a dynamic list of images before ? Thank You Dan Vega [email protected] http://www.danvega.org/
On Tue, Mar 30, 2010 at 2:01 PM, Alex Harui <[email protected]> wrote: > > > I think list does a bit more thinking. I think it computes a typicalItem > and uses that as the default size. One of the issues with Image-based > renderers is that they have no size until the image loads. If you know the > size upfront, set that on the renderer. > > > > On 3/30/10 6:29 AM, "Dan Vega" <[email protected]> wrote: > > > > > > > Take the following example. On the left you have a list that loads data > from another file. The data is a basically a set of typed objects that have > a src attribute that points to an image. Don't worry to much about that, > just know that we are getting a list of images. The list on the left shows > an initial list with some scrollbars and about 5 images. The list looks like > it can only scroll 1 or 2 more images but in fact there are about 20 images. > As you start scrolling the list figures out that there are more and adjusts > the scroll bars. It keeps doing this until we reach the last images and > finally the scroll bars work as expected. > > What I don't understand is the data group next to it works exactly how I > expect the list to work. I thought the list was basically using the data > group in the end anyways? What am I missing / doing wrong? If you need the > full example I can email it to you, just ping me. > > <?xml version="1.0" encoding="utf-8"?> > <s:Application > xmlns:fx="http://ns.adobe.com/mxml/2009"; > xmlns:s="library://ns.adobe.com/flex/spark <http://ns.adobe.com/flex/spark> > " > xmlns:mx="library://ns.adobe.com/flex/mx <http://ns.adobe.com/flex/mx> " > > initialize="GalleryService.loadData()" > > <s:layout> > <s:HorizontalLayout paddingTop="20" paddingRight="20" paddingBottom="20" > paddingLeft="20"/> > </s:layout> > <s:List > height="100%" > dataProvider="{GalleryService.results}" > itemRenderer="GalleryImageRenderer" > dragEnabled="true" > > > <s:layout> > <s:VerticalLayout horizontalAlign="justify"/> > </s:layout> > </s:List> > <s:Scroller height="100%"> > <s:DataGroup dataProvider="{GalleryService.results}" > itemRenderer="GalleryImageRenderer"> > <s:layout> > <s:VerticalLayout horizontalAlign="justify"/> > </s:layout> > </s:DataGroup> > </s:Scroller> > --> > </s:Application> > > > Thank You > Dan Vega > [email protected] > http://www.danvega.org/ > > > > > > -- > Alex Harui > Flex SDK Team > Adobe System, Inc. > http://blogs.adobe.com/aharui > > >
