Pull request #2767: 无jira任务 接受布局属性

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

* commit 'dded079abb0c4e5e9181910551334582308147cf':
  无jira任务 接受布局属性

src/base/list/virtualgrouplist.js

@@ -14,6 +14,7 @@ BI.VirtualGroupList = BI.inherit(BI.Widget, {
             scrollTop: 0,
             rowHeight: "auto",
             items: [],
+            el: {},
             itemFormatter: function (item, index) {
                 return item;
             }
@@ -39,10 +40,10 @@ BI.VirtualGroupList = BI.inherit(BI.Widget, {
                 ref: function () {
                     self.container = this;
                 },
-                layouts: [{
+                layouts: [BI.extend({
                     type: "bi.vertical",
                     scrolly: false
-                }]
+                }, o.el)]
             }, {
                 type: "bi.layout",
                 ref: function () {