Re: [Dynapi-Help] Lazy Tree

[Doug M. <do...@cr...>]

I built a tree much like this (Not DynAPI) for a commercial site.
They had 800+ items to load in their tree and this took WAY too long.
Assuming that any given branch does not exceed a couple dozen nodes then
rendering a branch on demand should not be too demanding.



----- Original Message -----
From: "Leif W" <war...@us...>
To: <dyn...@li...>
Sent: Monday, October 10, 2005 11:42 AM
Subject: Re: [Dynapi-Help] Lazy Tree


> >>> From: Julian Rath <jul...@gm...>
> >>> Received: Mon, 10 Oct 2005 09:31:37 AM EDT
> >>>
> >>> Hi Everybody,
> >>> how can i get this Explorer lazy, so it shoud only load that what i
need.
> >>
> >> 2005/10/10, Leif W <war...@us...>:
> >> Hi Julian,
> >>
> >> I am not sure what you mean.  Can you describe in more detail what you
mean
> by
> >> "Lazy Tree" or "Lazy Explorer" or "load only what you need".  Load what
> and
> >> not load what else?  What do you want to avoid loading?
> >
> > From: Julian Rath <jul...@gm...>
> > Received: Mon, 10 Oct 2005 10:16:04 AM EDT
> >
> > My Plan:
> > If you click on a node load only the childs of it not more of the tree
> > so a async one, i think
>
> Ok, I think I understand.  Is this what you mean?  For instance, let's use
>
http://dynapi.sourceforge.net/releases/dynapix/examples/dynapi.gui.explorer.
html
> for reference.
>
> I hit the page, and I see it takes a very long time to load, as it loads
> everything.  On the other hand, when it runs, it runs very quick.
>
> Say we load only the top level, then load only if required by expanding a
tab.
>  The downside is that the application might seem slow.
>
> So something aynchronous might be desireable.  Perhaps load the top level,
and
> display it, then continue to walk the tree breadth-first and load the data
for
> sub levels while waiting, and stop to handle any user actions?  That seems
> very complicated to me, but might be the right way to handle it for the
user
> experience.
>
> Any comments or ideas how to implement?  It's a feature request, so I'll
copy
> the results of the discussion there and refer to this thread.
>
> Leif
>
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by:
> Power Architecture Resource Center: Free content, downloads, discussions,
> and more. http://solutions.newsforge.com/ibmarch.tmpl
> _______________________________________________
> Dynapi-Help mailing list
> Dyn...@li...
> https://lists.sourceforge.net/lists/listinfo/dynapi-help
>
>
>
> --
> No virus found in this incoming message.
> Checked by AVG Anti-Virus.
> Version: 7.0.344 / Virus Database: 267.11.14/128 - Release Date:
10/10/2005
>
>