update

src/base/context.js

@@ -16,12 +16,12 @@ BI.Context = BI.inherit(BI.Widget, {
     render: function () {
         var self = this, o = this.options;
         if (o.context) {
-            this.$context = BI.useContext(o.context);
+            this.context = BI.useContext(o.context);
         }
-        this.context = BI.createWidget((o.items[0] || o.el)(this.$context), {
+        this.widget = BI.createWidget((o.items[0] || o.el)(this.context), {
             element: this,
         });
-        this.context.on(BI.Controller.EVENT_CHANGE, function () {
+        this.widget.on(BI.Controller.EVENT_CHANGE, function () {
             self.fireEvent(BI.Controller.EVENT_CHANGE, arguments);
         });
     },
@@ -29,19 +29,19 @@ BI.Context = BI.inherit(BI.Widget, {
     __initWatch: function () {
         BI.Context.superclass.__initWatch.call(this);
         var o = this.options;
-        BI.watch(this.$context, o.context, o.watch);
+        BI.watch(this.context, o.context, o.watch);
     },
 
     setValue: function (v) {
-        this.context.setValue(v);
+        this.widget.setValue(v);
     },
 
     getValue: function () {
-        return this.context.getValue();
+        return this.widget.getValue();
     },
 
     populate: function () {
-        this.context.populate.apply(this, arguments);
+        this.widget.populate.apply(this, arguments);
     },
 });
 BI.shortcut("bi.context", BI.Context);