Rails spinoffs - Dec 2006 - Broken overflow support for droppables.

Ive seen this posted numerous times all over the web, but noone seems
to have a solution.

In short, if there are droppables inside a scrollable div (overflow
auto or scroll), all the ''hidden'' divs in that scroll (not
viewable
unless you scroll down to them) are still present as invisible drop
targets. Its kind of hard to explain, heres a simple example as i dont
know how to post code.

Theres a Scrolling div with height 1 line. It has 3 ''lines'' of
divs in
it. Like:
<div style="overflow:auto; height: 1em">
  <div id=l1> line1 </div>
  <div id=l2> line2 </div>
  <div id=l3> line3 </div>
</div>

<div id=dragme> Drag me </div>

So when it loads only "line1" is visible. Cool so far.
Then you make l1-l3 droppables and dragme a draggable.

The problem is "dragme" can be dropped onto line2 and line3, even when
they are not visible, just by letting go of the draggable underneath
the scrolling box.
You shouldnt be able to drop onto something that isn''t supposed to be
there!

Its incredibly frustrating, ive tried just about everything to make it
work.I love the d&d functionality otherwise, its a great enhancement to
my app.
Anyone have any ideas?


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Oh yeah, the same behaviour is shown in firefox 2.0 and ie 6


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That''s a bug. I don''t think there''s ticket for this,
can you create one?

It would be nice to have complete, simplified test case for this.

best,
thomas

Am 06.12.2006 um 02:56 schrieb dalyons-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org:
>
> Ive seen this posted numerous times all over the web, but noone seems
> to have a solution.
>
> In short, if there are droppables inside a scrollable div (overflow
> auto or scroll), all the ''hidden'' divs in that scroll
(not viewable
> unless you scroll down to them) are still present as invisible drop
> targets. Its kind of hard to explain, heres a simple example as i dont
> know how to post code.
>
> Theres a Scrolling div with height 1 line. It has 3
''lines'' of divs in
> it. Like:
> <div style="overflow:auto; height: 1em">
>   <div id=l1> line1 </div>
>   <div id=l2> line2 </div>
>   <div id=l3> line3 </div>
> </div>
>
> <div id=dragme> Drag me </div>
>
> So when it loads only "line1" is visible. Cool so far.
> Then you make l1-l3 droppables and dragme a draggable.
>
> The problem is "dragme" can be dropped onto line2 and line3, even
when
> they are not visible, just by letting go of the draggable underneath
> the scrolling box.
> You shouldnt be able to drop onto something that isn''t supposed to
be
> there!
>
> Its incredibly frustrating, ive tried just about everything to make it
> work.I love the d&d functionality otherwise, its a great  
> enhancement to
> my app.
> Anyone have any ideas?
>
>
> >
--
Thomas Fuchs
wollzelle

http://www.wollzelle.com

questentier on AIM
madrobby on irc.freenode.net

http://www.fluxiom.com :: online digital asset management
http://script.aculo.us :: Web 2.0 JavaScript
http://mir.aculo.us :: Where no web developer has gone before





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No worries, I can create one!
I even have a complete simple test case; I made it to duplicate the
problem and make sure it wasnt something else on my site.
I''ve never posted a bug before to RoR, but ill give it a go :)

http://dev.rubyonrails.org/ticket/6776

cool. now ill just attach my test html file.

Thomas Fuchs wrote:
> That''s a bug. I don''t think there''s ticket for
this, can you create one?
>
> It would be nice to have complete, simplified test case for this.
>
> best,
> thomas
>
> Am 06.12.2006 um 02:56 schrieb
dalyons-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org:
>
> >
> > Ive seen this posted numerous times all over the web, but noone seems
> > to have a solution.
> >
> > In short, if there are droppables inside a scrollable div (overflow
> > auto or scroll), all the ''hidden'' divs in that
scroll (not viewable
> > unless you scroll down to them) are still present as invisible drop
> > targets. Its kind of hard to explain, heres a simple example as i dont
> > know how to post code.
> >
> > Theres a Scrolling div with height 1 line. It has 3
''lines'' of divs in
> > it. Like:
> > <div style="overflow:auto; height: 1em">
> >   <div id=l1> line1 </div>
> >   <div id=l2> line2 </div>
> >   <div id=l3> line3 </div>
> > </div>
> >
> > <div id=dragme> Drag me </div>
> >
> > So when it loads only "line1" is visible. Cool so far.
> > Then you make l1-l3 droppables and dragme a draggable.
> >
> > The problem is "dragme" can be dropped onto line2 and line3,
even when
> > they are not visible, just by letting go of the draggable underneath
> > the scrolling box.
> > You shouldnt be able to drop onto something that isn''t
supposed to be
> > there!
> >
> > Its incredibly frustrating, ive tried just about everything to make it
> > work.I love the d&d functionality otherwise, its a great
> > enhancement to
> > my app.
> > Anyone have any ideas?
> >
> >
> > >
>
> --
> Thomas Fuchs
> wollzelle
>
> http://www.wollzelle.com
>
> questentier on AIM
> madrobby on irc.freenode.net
>
> http://www.fluxiom.com :: online digital asset management
> http://script.aculo.us :: Web 2.0 JavaScript
> http://mir.aculo.us :: Where no web developer has gone before

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