Tracy, Thanks for the valueCommit suggestion. You shed a new light on that event: a lot less code your way. :)
-TH --- In [email protected], Daniel Wabyick <[EMAIL PROTECTED]> wrote: > > > So, I got both the valueCommit and the <Observe /> tag to work when > manually setting list.selectedIndex, but not the list.selectedItem property. > > You can check out either version ... For those without the <Observe /> > tag, just remove those two ... They appear to be functionally equivalent > in this case. > > <?xml version="1.0"?> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; > xmlns:local="*" xmlns:ac="com.adobe.ac.*"> > > > <mx:Script> > <![CDATA[ > import mx.collections.ArrayCollection; > [Bindable] > private var dp : ArrayCollection = new ArrayCollection ( [{ > name:"test1" }, { name:"test2" }, { name:"test3" }, { name:"test4" }, { > name:"test5" }, { name:"test6" }, { name:"test7" }, { name:"test8" }, { > name:"test9" }] ); > ]]> > </mx:Script> > > <mx:NumericStepper id="stepper" minimum="1" maximum="10" /> > > <mx:List id="scrollList" selectedIndex="{ stepper.value }" > dataProvider="{ dp }" width="150" valueCommit="{ > scrollList.scrollToIndex( scrollList.selectedIndex ) }" labelField="name"/> > <!--<mx:List id="scrollList" selectedItem="{ dp.getItemAt( > stepper.value ) }" dataProvider="{ dp }" width="150" valueCommit="{ > scrollList.scrollToIndex( scrollList.selectedIndex ) }" labelField="name"/> > --> > > <mx:List id="scrollList2" selectedIndex="{ stepper.value }" > dataProvider="{ dp }" width="150" labelField="name" /> > <!--<mx:List id="scrollList2" selectedItem="{ dp.getItemAt( > stepper.value ) }" dataProvider="{ dp }" width="150" labelField="name" > />--> > <ac:Observe source="{ scrollList2.selectedIndex }" handler="{ > function() : void { scrollList2.scrollToIndex( scrollList2.selectedIndex > ) } }" /> > > <mx:Button click="{ scrollList.selectedIndex = 10; > scrollList2.selectedIndex = 10 }" label="Scroll to end" /> > </mx:Application> > > > > Tracy Spratt wrote: > > > > Did you try the commitValue event? > > > > > > > > Tracy > > > > > > > > ----------------------------------------------------------------- ------- > > > > *From:* [email protected] [mailto:[EMAIL PROTECTED] > > *On Behalf Of *Tim Hoff > > *Sent:* Thursday, October 12, 2006 6:23 PM > > *To:* [email protected] > > *Subject:* [flexcoders] Re: Binding scroll position to the selected index > > > > > > > > Ok, subclass yes. Or, you could watch for the change of the > > selectedIndex with the Observe tag. Alex Uhlmann has a good article here: > > > > http://weblogs.macromedia.com/auhlmann/archives/2006/09/using_binding _s.cfm#more > > <http://weblogs.macromedia.com/auhlmann/archives/2006/09/using_bindin g_s.cfm#more> > > > > -TH > > > > --- In [email protected], Daniel Wabyick <daniel@> wrote: > > > > > > > > > Ah, that was a good idea, but it doesn't work in my case. > > > > > > The list is being filtered and the selectedItem is being set via other > > > code. Thus the need to bind to selectedItem, as the "change" handler > > > won't be called. > > > > > > I should be able to whip something up fairly easily via a subclass ... > > > > > > -D > > > > > > > > > > > > > > > Tim Hoff wrote: > > > > > > > > Hi Daniel, > > > > > > > > On a click or change event you could use this: > > > > > > > > myList.scrollToIndex(myList.selectedIndex); > > > > > > > > -TH > > > > > > > > --- In [email protected] > > > > <mailto:flexcoders%40yahoogroups.com>, Daniel Wabyick daniel@ wrote: > > > > > > > > > > > > > > > I would like to configure a List class so that it will automatically > > > > > scroll to show the selected item whenever the selected index/item > > > > > changes. I can't see anyway to bind that using the standard List > > > > class, > > > > > and it seems like I will have to subclass it in order to work. Am I > > > > > missing an easier solution? > > > > > > > > > > Thanks, > > > > > -D > > > > > > > > > > > > > > > > > > > > > -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/flexcoders/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
