How to get data from jquery callback to parent function -

I am using jquery ui drag / drop code. A getJSON request on one drop is executed to check for new data and update the database. It works fine, as long as my backend did not return any errors, because I can not cancel the drop from within the anonymous function.

If there is an error, the backend returns to JSN which looks like this:

  {"result": 0}  

< P> This drop downing code:

  $ ('. Droppable'). Droppable ({drop: function} ($ .getJSON ('/ roster / save', 'location_id = 1', function () {if (data.result == 0) {// now cancel the drop But it can not be canceled with an anonymous function}}; // If the data was available here i get the result and cancel it if (data.result == 0) return false; // it will end // drop Drop ui.draggable.appendTo ($ ('ul', this));}});  

I hope this is a bit obvious, any thoughts? :)

OK, until I found less ugly solution I found a synchronous Ajax JQuery .data Call in conjunction with the () method, therefore instead of .getJSON () call:

  $. Data type: 'Jason', success: $. Proxy (data) {$ ($ (async: false, type: "post", url: "/ roster / add", data: 'location_id = 1' ). Data ('TMP', data)}, $ (this))}}  

Then I can check the value of the data stored and if necessary I can return false:

  if (this) .data ('tmp') results! = 1) {return false; }  

Hope this helps someone.