dragging list items

[Richard Gaskin]

I'm about to build a window which has a list field, and I'd like to 
allow the user to Cmd-drag items in the list to re-order them.  Also, 
because this list includes items that act as groups, I need to allow 
items to also be dropped on other items to add them as a member of that 
item (they'll appear indented below the item dropped on).

Many moons ago I looked around for some examples, but the few I found at 
that time had either appearance or behavioral nuances that make them 
feel less like the re-ordering experience in other apps, and none that 
also had the ability to drop onto other items.

Anyone have such a thing they'd be willing to share?

-- 
  Richard Gaskin
  Fourth World Media Corporation
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