On Sun, Jul 23, 2006 at 10:58:54PM -0700, Peter Michaux wrote: # On 7/23/06, Em Te <[EMAIL PROTECTED]> wrote: # >Good day, # >I am using Scriptaculous' drag and drop library in my project and I find # >that if I have more than 4 Droppables on a page that contains many nested # >elements, the motion of any draggable seem to be bumpy instead of smooth. # # There has been a lot of talk about this lately on the Yahoo! UI # mailing list. The Yahoo! solution was to cache the positions at the # start of the drag. This could still cause trouble when scrolling # elements are involved and they automatically scroll during the drag. # # No matter what, a scheme that uses coordinates to determine whether or # not the cursor is over a droppable during a drag will always get # slower as the number of droppables grows. # # I discovered a novel solution that doesn't get slower regardless of # the number of droppables because it uses native browser events to # determine when a draggable is over a droppable. I have an article # about it and a proof of prinicple demo on my blog # # http://peter.michaux.ca/articles/2006/06/16/donut-dragdrop # # By using native browser events, you also get the expected behavior for # activating the appropriate droppable when nested and overlapping # droppables exisit. This is something I haven't seen handled well in # any dragdrop implementation i've tried.
This is a very cool idea! Kudos! Any chance of it being integrated into the existing drag&drop stuff from Scriptaculous? _______________________________________________ Rails-spinoffs mailing list Rails-spinoffs@lists.rubyonrails.org http://lists.rubyonrails.org/mailman/listinfo/rails-spinoffs
