Draggable: Add a refresh method

[rdworth]

Draggable currently has two options for refreshing droppable positions:

• on drag start (option refreshPositions false)
• on every drag mousemove (option refreshPositions true)

It would be nice to have something in-between the two, by having a refresh method that could be called when the developer knows it's needed. See

​http://groups.google.com/group/jquery-ui/browse_thread/thread/5a1fbb37ab8ef1a9

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This should also update dimensions from any other options, such as containment (see #4781).

[Grioja]

Any word on this? It is very much needed in dynamic pages

[Scott González]

No new features will be added in 1.8.x, but in reality since interactions are being rewritten, no new features for interactions will land until 2.0.

[Jörn Zaefferer]

Should implement this as part of the 2.0.0 rewrite. Probably replacing the current refresh options.

[Scott González]

#4781 is a duplicate of this ticket.

[Scott González]

This should also affect containment.

[Scott González]

#10660 is a duplicate of this ticket.