Perfect ....... thanks!
Wed Sep 20 12:22:58 EDT 2006
Michael Stuhr wrote:
>i think you have to do this manually.
>you either create a cellrenderer for your list and handle it this way (look in
>the help for
>cellRenderer API) or you could :
>
>var list:mx.controls.List;
>
>list.addItem({label:"Flash", data:{value:1, enabled:true}} );
>/**/
>list.addItem({label:"Dreamweaver", data:{value:2, enabled:false}} );
>
>list.addItem({label:"ColdFusion", data:{value:3, enabled:true}} );
> >
>function onListClick (evt:Object)
>{
> var list = evt.target;
> //
> if (!list.selectedItem.data.enabled)
> {
> list.selectedIndex = undefined;
> list.invalidate();
> trace ("this item is disabled")
> }
> else
> {
> trace ("you selected: " + list.selectedItem.label)
> }
>}
>function onListRollOver(evt:Object)
>{
> var list = evt.target;
>var ix = evt.index;
>var item = list.getItemAt(ix);
>var curCol = list.getStyle("backgroundColor"); // be aware of
>"alternatingRowColors", you'd
>have to check here if ix is odd or even, also you should check that there's no
>cutom
>cellrenderer here
> //
> if (!item.data.enabled)
> {
> list.setPropertiesAt(ix, {backgroundDisabledColor:curCol});
> list.invalidate();
> }
> else
> {
> trace ("you hovered: " + list.selectedItem.label);
> }
>}
>list.addEventListener ('change', onListClick)
>list.addEventListener ('itemRollOver', onListRollOver)
>
>
>cheers
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