feat(handle): fixed retrieving after-button for previous and next splitbars

Author: widmoser

src/ui-layout.js

@@ -425,7 +425,7 @@ angular.module('ui.layout', [])
         el = splitter.element[0].children[0];
       } else {
         splitter = ctrl.containers[index - 1];
-        el = splitter.element[0].children[1];
+        el = splitter.element[0].children[2];
       }
 
       $timeout(function(){
@@ -717,7 +717,7 @@ angular.module('ui.layout', [])
 
           if(previousSplitbar !== null) {
             prevSplitbarBeforeButton = angular.element(previousSplitbar.element.children()[0]);
-            prevSplitbarAfterButton = angular.element(previousSplitbar.element.children()[1]);
+            prevSplitbarAfterButton = angular.element(previousSplitbar.element.children()[2]);
           }
 
           if(ctrl.isUsingColumnFlow) {
@@ -777,7 +777,7 @@ angular.module('ui.layout', [])
 
           if(nextSplitbar !== null) {
             nextSplitbarBeforeButton = angular.element(nextSplitbar.element.children()[0]);
-            nextSplitbarAfterButton = angular.element(nextSplitbar.element.children()[1]);
+            nextSplitbarAfterButton = angular.element(nextSplitbar.element.children()[2]);
           }
 
           if(ctrl.isUsingColumnFlow) {

test/layout-scenar.spec.js

@@ -141,7 +141,7 @@ function splitMoveTests(description, startEvent, moveEvent, endEvent) {
 
         beforeEach(function() {
           toggleBeforeButton = $splitbar.children()[0];
-          toggleAfterButton = $splitbar.children()[1];
+          toggleAfterButton = $splitbar.children()[2];
         });
 
         it('should exist', function() {