Sorry, haven't had a chance to look into this proposal in detail.
Remind me sometime next week if I still haven't responded. I am
anxious to improve tree2 but the reorg is taking all of my spare time
at the moment.
sean
On 6/28/05, Martin Marinschek <[EMAIL PROTECTED]> wrote:
> I think that sounds quite nice as functionality goes, I am no expert
> on the tree2, though.
>
> Sean having any thoughts on that?
>
> regards,
>
> Martin
>
> On 6/28/05, CONNER, BRENDAN (SBCSI) <[EMAIL PROTECTED]> wrote:
> > I'm assuming that, since no one has answered this, that there isn't an
> > easy way to do it as written. Therefore, I'm looking into extending the
> > Tree2 component so its action takes another parameter:
> > toggleActionListener="#{myListener}"
> >
> > Behind the scenes, if this parameter is specified, the tree component
> > would execute addAction() on the expandControl, thus allowing the
> > application developer the ability to intercept the expand or collapse
> > events and do other things, such as read the database for more data
> > beneath that node.
> >
> > Does this sound like a reasonable approach, or is the equivalent
> > functionality already there, and I'm just missing it?
> >
> > - Brendan
> >
> > -------------------
> >
> > When a use clicks the "expand" icon in a serverside Tree2 component, I
> > would like my application to go out and grab more data from the database
> > to fill in the details of that node's children. What's the hook in
> > Tree2 that I can use to do that? Should I override one of the methods?
> > Should I intercept some sort of action?
> >
> > At first, I tried subclassing TreeNodeBase and overriding the
> > getChildren method so it calls a routine in my application to get more
> > data. However, this results in having all the data in the entire tree
> > retrieved after just clicking on the root, which is not what I want. I
> > want just the data for the immediate children retrieved from the
> > database when a parent node's "expand" icon is clicked.
> >
> > Any usage help would be much appreciated!
> >
> > - Brendan
> >
> >
>
