feat(draggable): pass previous position to the drag callback

ducksboard · Oct 26, 2013 · 055cc0e · 055cc0e
1 parent 91ca657
commit 055cc0e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/jquery.draggable.js b/src/jquery.draggable.js
@@ -289,10 +289,14 @@
             'top' : offset.top
         });
 
+        var last_position = this.last_position || data.position;
+        data.prev_position = last_position;
 
         if (this.options.drag) {
             this.options.drag.call(this.$player, e, data);
         }
+
+        this.last_position = data.position;
         return false;
     };