update

src/base/single/button/button.basic.js

@@ -381,12 +381,18 @@ BI.BasicButton = BI.inherit(BI.Single, {
 
     setText: function (text) {
         this.options.text = text;
+        this.options.setText && this.options.setText.call(this, text);
     },
 
     getText: function () {
         return this.options.text;
     },
 
+    setValue: function (text) {
+        BI.BasicButton.superclass.setValue.apply(this, arguments);
+        this.options.setText && this.options.setText.call(this, text);
+    },
+
     _setEnable: function (enable) {
         BI.BasicButton.superclass._setEnable.apply(this, arguments);
         if (enable === true) {
@@ -404,10 +410,6 @@ BI.BasicButton = BI.inherit(BI.Single, {
     empty: function () {
         BI.Widget._renderEngine.createElement(document).unbind("mouseup." + this.getName());
         BI.BasicButton.superclass.empty.apply(this, arguments);
-    },
-
-    destroy: function () {
-        BI.BasicButton.superclass.destroy.apply(this, arguments);
     }
 });
 BI.BasicButton.EVENT_CHANGE = "BasicButton.EVENT_CHANGE";

src/case/segment/button.segment.js

@@ -41,10 +41,6 @@ BI.SegmentButton = BI.inherit(BI.BasicButton, {
     setText: function (text) {
         BI.SegmentButton.superclass.setText.apply(this, arguments);
         this.text.setText(text);
-    },
-
-    destroy: function () {
-        BI.SegmentButton.superclass.destroy.apply(this, arguments);
     }
 });
 BI.shortcut("bi.segment_button", BI.SegmentButton);