Demo.Center = BI.inherit(BI.Widget, { props: { baseCls: "demo-center" }, render: function () { var self = this; return { type: "bi.tab", ref: function () { self.tab = this; }, single: true, showIndex: Demo.showIndex, cardCreator: function (v) { return BI.createWidget({ type: v }); } }; }, setValue: function (v) { this.tab.setSelect(v); } }); BI.shortcut("demo.center", Demo.Center);