Thanks. That makes sense and helps alot.
John
--- In flexcoders@yahoogroups.com, "Alex Harui" <[EMAIL PROTECTED]> wrote:
>
> For some xml:
>
>
>
> <node label="top">
>
> <node label="middle">
>
> <node label="leaf1" />
>
> <node label="leaf2" />
>
> </node>
>
> </node>
>
>
>
> You are essentially passing into the dataProvider property one node
> (top), and internally, the Tree opens a collection with length 1. As
> you call expandItems or change openNodes directly, the Tree's internal
> collection gets more nodes. If I call expandItem on 'top', the internal
> collection has length 2, and openNodes contains just 'top', and you can
> see both 'top' and 'middle' in the tree. If you then call expandItem on
> 'middle', the collection has length 4, openNodes contains both 'top' and
> 'middle', and you can see all four nodes in the Tree. Setting
> selectedIndex to 0 will select 'top', setting selectedIndex to 3 selects
> 'leaf2'.
>
>
>
> For some complex tree if you have to scan, having the correct set of
> openNodes by calling expandItem in the right sequence will let you walk
> the internal collection to determine the index of the node you want.
>
>
>
> ________________________________
>
> From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
> Behalf Of j_lentzz
> Sent: Monday, February 11, 2008 5:29 PM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] Re: How to programatically select a node in an
> XMLListCollection
>
>
>
> What is the difference between using openItems and collection?
> openItems seems to be like the collection.openNodes - only expanded.
> Also, how do you move through openNodes? It seems like XML structures
> still.
> Thanks,
>
> John
> --- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com>
> , "Alex Harui" <aharui@> wrote:
> >
> > openNodes doesn't work very well in Flex 2.
> >
> >
> >
> > You'll probably have to call expandItem in order from the top down so
> > each parent the nodes you want to see is opened before the child nodes
> > are opened.
> >
> >
> >
> > You can't use the .dataProvider property. You have to subclass and use
> > the collection property
> >
> >
> >
> > ________________________________
> >
> > From: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com>
> [mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com>
> ] On
> > Behalf Of j_lentzz
> > Sent: Monday, February 11, 2008 1:35 PM
> > To: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com>
> > Subject: [flexcoders] Re: How to programatically select a node in an
> > XMLListCollection
> >
> >
> >
> > I'm using Flex 2 (if that matters any). So I need to expand all of
> > the tree (or just to the nodes I want to select), then walk the
> > dataProvider to find the nodes?
> >
> > John
> > --- In flexcoders@yahoogroups.com
> <mailto:flexcoders%40yahoogroups.com>
> <mailto:flexcoders%40yahoogroups.com>
> > , "Alex Harui" <aharui@> wrote:
> > >
> > > In Flex 3, you can call expandItem or set openNodes to get all the
> > nodes
> > > to open, then I would subclass Tree and use the walk the collection
> > > which should then contain the nodes you want and find the index of
> > those
> > > items and set selectedIndex appropriately.
> > >
> > >
> > >
> > > ________________________________
> > >
> > > From: flexcoders@yahoogroups.com
> <mailto:flexcoders%40yahoogroups.com>
> <mailto:flexcoders%40yahoogroups.com>
> > [mailto:flexcoders@yahoogroups.com
> <mailto:flexcoders%40yahoogroups.com>
> <mailto:flexcoders%40yahoogroups.com>
> > ] On
> > > Behalf Of j_lentzz
> > > Sent: Monday, February 11, 2008 12:28 PM
> > > To: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com>
> <mailto:flexcoders%40yahoogroups.com>
> > > Subject: [flexcoders] Re: How to programatically select a node in an
> > > XMLListCollection
> > >
> > >
> > >
> > > I took a look at that post, but it doesn't address what I need to
> do.
> > > I can find the node using the XML navigation methods, however, I
> want
> > > to create a list of total nodes matched (there can be many) then
> allow
> > > the user to jump from match to match, so I need to be able to select
> a
> > > node and highlight it. Any thoughts?
> > >
> > > Thanks,
> > >
> > > John
> > > --- In flexcoders@yahoogroups.com
> <mailto:flexcoders%40yahoogroups.com>
> > <mailto:flexcoders%40yahoogroups.com>
> > <mailto:flexcoders%40yahoogroups.com>
> > > , "Brad Bueche" <brad@> wrote:
> > > >
> > > >
> > >
> >
> http://www.brucephillips.name/blog/index.cfm/2006/12/5/Processing-XML-in
> <http://www.brucephillips.name/blog/index.cfm/2006/12/5/Processing-XML-i
> n>
> >
> <http://www.brucephillips.name/blog/index.cfm/2006/12/5/Processing-XML-i
> <http://www.brucephillips.name/blog/index.cfm/2006/12/5/Processing-XML-i
> >
> > n>
> > >
> >
> <http://www.brucephillips.name/blog/index.cfm/2006/12/5/Processing-XML-i
> <http://www.brucephillips.name/blog/index.cfm/2006/12/5/Processing-XML-i
> >
> >
> <http://www.brucephillips.name/blog/index.cfm/2006/12/5/Processing-XML-i
> <http://www.brucephillips.name/blog/index.cfm/2006/12/5/Processing-XML-i
> >
> > >
> > > n>
> > > >
> > >
> >
> -Flex-20-Using-The-For-Each-Statement-And-The-Descendent-Accessor--Opera
> > > > tor
> > > >
> > > > That should give you most of what you need to know.
> > > >
> > > > brad
> > > >
> > > > -----Original Message-----
> > > > From: flexcoders@yahoogroups.com
> <mailto:flexcoders%40yahoogroups.com>
> > <mailto:flexcoders%40yahoogroups.com>
> > <mailto:flexcoders%40yahoogroups.com>
> > > [mailto:flexcoders@yahoogroups.com
> <mailto:flexcoders%40yahoogroups.com>
> > <mailto:flexcoders%40yahoogroups.com>
> > <mailto:flexcoders%40yahoogroups.com>
> > > ] On
> > > > Behalf Of j_lentzz
> > > > Sent: Monday, February 11, 2008 12:43 PM
> > > > To: flexcoders@yahoogroups.com
> <mailto:flexcoders%40yahoogroups.com>
> <mailto:flexcoders%40yahoogroups.com>
> > <mailto:flexcoders%40yahoogroups.com>
> > > > Subject: [flexcoders] How to programatically select a node in an
> > > > XMLListCollection
> > > >
> > > >
> > > >
> > > > Hi,
> > > >
> > > > I have a Tree with the dataProvider being an XMLListCollection.
> When
> > > > looking at the dataProvider with the debugger, all I see is a
> single
> > > > XMLList that contains the complete XML structure - that is all the
> > > > nodes and sub-nodes all in one element. I have a routine that will
> > > > traverse the tree and find nodes based on parameters I set - and
> it
> > > > will open those nodes. However, I want to be able to jump from
> found
> > > > item to found item, but I can't find a way to set the index to
> > > > highlight the item. Is there a way to do this that someone could
> > > > explain?
> > > >
> > > > Thanks,
> > > >
> > > > John
> > > >
> > >
> >
>
