Thanks, I'll look into that later. Of course, any list can be larger than the container. In fact, that's why I'm using Repeater, rather than an itemRenderer, because of the fractional scrolling limitation.
On 9/25/07, Alex Harui <[EMAIL PROTECTED]> wrote: > > > > > > > > I think you find the y of a list and set verticalscrollpos to min of it or > maxvertscrollpos > > ________________________________ > From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On > Behalf Of Richard Rodseth > Sent: Tuesday, September 25, 2007 6:57 AM > > To: flexcoders@yahoogroups.com > Subject: Re: [flexcoders] Setting selectedIndex > > > > > > Yes, the latter. As I mentioned the lists have rowCount set so that > they don't have scrollbars (by design). But I still need the selection > to scroll into view (within the contain-of-lists) when the arrow keys > are used or I set the selection programmatically. > > On 9/24/07, Alex Harui <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > > > > > Not sure what nested has to do with it. Given that you can reference one > of > > the repeated lists, you can call scrollToIndex on it. > > > > Or is your issue how to scroll the container full of repeated lists? > > > > ________________________________ > > From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On > > Behalf Of Richard Rodseth > > Sent: Sunday, September 23, 2007 10:32 PM > > > > To: flexcoders@yahoogroups.com > > Subject: Re: [flexcoders] Setting selectedIndex > > > > > > > > > > > > I finally got around to trying scrollToIndex(). No dice. > > > > Recall that my list is repeated, and the instances have no scrollbars > > because their rowcount gets set to the number of items. I'm looking > > for a scrollSelectionIntoView recipe that works even if the list is > > nested. > > > > Thanks. > > > > On 9/19/07, Alex Harui <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Good. Try scrollToIndex() > > > > > > > > > > > > ________________________________ > > > > > > > > > From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On > > > Behalf Of Richard Rodseth > > > Sent: Wednesday, September 19, 2007 5:04 PM > > > > > > To: flexcoders@yahoogroups.com > > > Subject: Re: [flexcoders] Setting selectedIndex > > > > > > > > > > > > > > > > > > > > > > > > It did the trick, and designating uniqueness of my proxies by > > > implementing IUID makes perfect sense. I half expected something like > > > this to happen, but I did the proxy list early on, and had not had any > > > other issues with it. > > > > > > Now I just need to figure out how to scroll the selection into view. > > > > > > Thanks again. > > > > > > On 9/19/07, Alex Harui <[EMAIL PROTECTED]> wrote: > > > > > > > We use UID for selection mgmt, but there still might be issues in > > setting > > > > selectedItem, selectedIndex, so no guarantees > > > > > > > > > > > > > > > > ________________________________ > > > > > > > > > > > > From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] > On > > > > Behalf Of Richard Rodseth > > > > Sent: Wednesday, September 19, 2007 3:28 PM > > > > > > > > To: flexcoders@yahoogroups.com > > > > Subject: Re: [flexcoders] Setting selectedIndex > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Excellent. I see this is explained here: > > > > > > > > > > > > > > http://livedocs.adobe.com/flex/201/html/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Book_Parts&file=about_dataproviders_057_02.html > > > > > > > > I'll look into implementing IUID. Many thanks. > > > > > > > > On 9/19/07, Alex Harui <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > The list relies on uids, If your proxy has the same uid for an index > > > that > > > > > might help > > > > > > > > > > > > > > > > > > > > ________________________________ > > > > > > > > > > > > > > > From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] > > On > > > > > Behalf Of Richard Rodseth > > > > > Sent: Wednesday, September 19, 2007 3:11 PM > > > > > To: flexcoders@yahoogroups.com > > > > > Subject: Re: [flexcoders] Setting selectedIndex > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Thanks Alex. I narrowed it down to my ProxyList, which returns a new > > > > > (small) object each time getItemAt is called. I figured these would > > > > > get garbage collected (and that getItemAt would only get called for > > > > > visible items), but if the List component is hanging onto them and > > > > > using them, that's not going to work. Is that the case? Or does List > > > > > rely on IList methods (willTrigger perhaps?) that I may not have > > > > > implemented correctly. > > > > > > > > > > I'd hate to give up my proxy list, unless there is a better way to > > > > > handle large data sets. > > > > > > > > > > On 9/19/07, Alex Harui <[EMAIL PROTECTED]> wrote: > > > > > > > > > > > Should just work, but you can try calling invalidateList() (not > > > > > > invalidateDisplayList()). > > > > > > > > > > > > > > > > > > > > > > > > I'd try it on a List outside of a Repeater. If that makes a > > > difference, > > > > > > check the recycling options on Repeater. > > > > > > > > > > > > > > > > > > > > > > > > ________________________________ > > > > > > > > > > > > > > > > > > From: flexcoders@yahoogroups.com > [mailto:[EMAIL PROTECTED] > > > On > > > > > > Behalf Of Richard Rodseth > > > > > > Sent: Wednesday, September 19, 2007 1:29 PM > > > > > > To: flexcoders@yahoogroups.com > > > > > > Subject: [flexcoders] Setting selectedIndex > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > I am able to clear the selection of a list programmatically, by > > > > setting: > > > > > > > > > > > > myList.selectedIndex = -1 > > > > > > > > > > > > but setting the selection to a specific index is not working. The > > > > > > previous highlighting goes away, and based on watching the list in > > > the > > > > > > debugger, the property does seem to change, but the new selection > is > > > > > > not highlighted. Do I need to invalidate something in addition to > > > just > > > > > > setting the property? > > > > > > > > > > > > In case it matters > > > > > > - the list is inside a component which is repeated in a Repeater. > > > > > > - there is an item renderer > > > > > > - the data provider is a custom IList implementation. > > > > > > > > > > > > But all other use cases (user click, up-down arrows, clearing > > > > > > selection programmatically) work perfectly. > > > > > > > > > > > > Thanks. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >
