From ddc0ac3aafa71944c69110ba0bcb17aeaa71cde7 Mon Sep 17 00:00:00 2001
From: Alex Bardanov <dnbard@gmail.com>
Date: Mon, 25 Aug 2014 13:36:35 +0300
Subject: [PATCH] fix tabs drag and drop behavior, #8

---
 bindings/drag.js | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/bindings/drag.js b/bindings/drag.js
index 1e42190..12b176f 100644
--- a/bindings/drag.js
+++ b/bindings/drag.js
@@ -34,9 +34,18 @@ define(function(require, exports){
                         })),
                         whereIndex = _.indexOf(workingSet, _.find(workingSet, function(el){
                             return el._path === where;
-                        }));
+                        })),
+                        diff = whereIndex - whoIndex,
+                        direction = diff / Math.abs(diff);
 
-                    DocumentManager.swapWorkingSetIndexes(whoIndex, whereIndex);
+                    if (Math.abs(diff) <= 1){
+                        DocumentManager.swapWorkingSetIndexes(whoIndex, whereIndex);
+                    } else {
+                        while(whoIndex !== whereIndex){
+                            DocumentManager.swapWorkingSetIndexes(whoIndex, whereIndex);
+                            whereIndex -= direction;
+                        }
+                    }
 
                     dragWho = null;
                     dragWhere = null;