Rails spinoffs - Mar 2008 - how to make a freely draggable element snap into a target element upon release

Hello all-

I''m trying to figure out how to make a freely draggable element (one
that can be dragged smoothly and freely over any spot on the screen)
snap into place once it is hovered and released over a target
element.  If anybody can help me on this I''d be super grateful. Thanks.
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Anyone? anyone?....... I can''t believe there is no facility for
this.........





On Mar 23, 9:45 pm, echobase
<bushbr...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hello all-
>
> I''m trying to figure out how to make a freely draggable element
(one
> that can be dragged smoothly and freely over any spot on the screen)
> snap into place once it is hovered and released over a target
> element.  If anybody can help me on this I''d be super grateful.
Thanks.
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prototype doesn''t offer this facility.
scriptaculous offers most of it.

using dragdrop.js (included via scriptaculous.js?load=dragdrop)

new Draggable(elementId);

Droppables.add(containerid, { onDrop: function() { alert(''Something was
dropped on me''); } });

I can''t remember what parameters are passed to onDrop, i think one is
the
element dropped, another is the droppable -class object-...
To ''snap'' like you''re suggesting, you can either do
some fancy move stuff or
just appendChild the draggable to the droppable, but if you do this,
remember to append it back to the original body when it gets moved, or
you''ll have z-index style problems due to the draw order.



On Mon, Mar 31, 2008 at 11:05 AM, echobase
<bushbrian-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> Anyone? anyone?....... I can''t believe there is no facility for
> this.........
>
>
>
>
>
> On Mar 23, 9:45 pm, echobase
<bushbr...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > Hello all-
> >
> > I''m trying to figure out how to make a freely draggable
element (one
> > that can be dragged smoothly and freely over any spot on the screen)
> > snap into place once it is hovered and released over a target
> > element.  If anybody can help me on this I''d be super
grateful. Thanks.
> >
>
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