Pull request #2328: 无jira任务 virtualgroup layouts

Merge in VISUAL/fineui from ~IMP/fineui_fui:master to master

* commit 'd25385b4f349c4af141c7e206b0f8650b10de4ee':
  无jira任务 virtualgroup layouts

src/base/combination/group.virtual.js

@@ -22,12 +22,13 @@ BI.VirtualGroup = BI.inherit(BI.Widget, {
     _packageBtns: function (items) {
         var o = this.options;
         var map = this.buttonMap = {};
-        for (var i = o.layouts.length - 1; i > 0; i--) {
+        var layouts = BI.isArray(o.layouts) ? o.layouts : [o.layouts];
+        for (var i = layouts.length - 1; i > 0; i--) {
             items = BI.map(items, function (k, it) {
                 var el = BI.stripEL(it);
-                return BI.extend({}, o.layouts[i], {
+                return BI.extend({}, layouts[i], {
                     items: [
-                        BI.extend({}, o.layouts[i].el, {
+                        BI.extend({}, layouts[i].el, {
                             el: BI.extend({
                                 ref: function (_ref) {
                                     if (BI.isKey(map[el.value])) {
@@ -44,7 +45,9 @@ BI.VirtualGroup = BI.inherit(BI.Widget, {
     },
 
     _packageLayout: function (items) {
-        var o = this.options, layout = BI.deepClone(o.layouts[0]);
+        var o = this.options;
+        var layouts = BI.isArray(o.layouts) ? o.layouts : [o.layouts];
+        var layout = BI.deepClone(layouts[0]);
 
         var lay = BI.formatEL(layout).el;
         while (lay && lay.items && !BI.isEmpty(lay.items)) {
@@ -100,7 +103,6 @@ BI.VirtualGroup = BI.inherit(BI.Widget, {
     },
 
     populate: function (items) {
-        var self = this;
         items = items || [];
         this.options.items = items;
         items = this._packageBtns(items);