Pull request #2779: 无JIRA任务 icon默认状态没有变化

Merge in VISUAL/fineui from ~WINDY/fui:master to master

* commit '8d092b55b7f02eb94b3ec78b9df6747ae1ba888b':
  无JIRA任务 icon默认状态没有变化

src/case/checkbox/check.arrownode.js

@@ -3,13 +3,13 @@
  * 右与下箭头切换的树节点
  */
 BI.ArrowTreeGroupNodeCheckbox = BI.inherit(BI.IconButton, {
-    _defaultConfig: function () {
-        var conf = BI.ArrowTreeGroupNodeCheckbox.superclass._defaultConfig.apply(this, arguments);
-        return BI.extend(conf, {
+
+    props: function (conf) {
+        return {
             extraCls: "bi-arrow-group-node-checkbox " + (conf.collapseIcon ||  "expander-right-font"),
             expandIcon: "expander-down-font",
             collapseIcon: "expander-right-font"
-        });
+        };
     },
 
     setSelected: function (v) {