REPORT-73206 feat: 把BI和平台使用的表格组件封装成cbb - bi.icon_change_button的图标支持响应式

src/case/button/icon/icon.change.js

@@ -31,8 +31,11 @@ BI.IconChangeButton = BI.inherit(BI.Single, {
     },
 
     _init: function () {
-        BI.IconChangeButton.superclass._init.apply(this, arguments);
         var self = this, o = this.options;
+        o.iconCls = BI.isFunction(o.iconCls) ? this.__watch(o.iconCls, function (context, newValue) {
+            self.setIcon(newValue);
+        }) : o.iconCls;
+        BI.IconChangeButton.superclass._init.apply(this, arguments);
         this.button = BI.createWidget({
             type: "bi.icon_button",
             element: this,