Merge pull request #2853 in VISUAL/fineui from DEC/fineui:feature/x to master

* commit '8e0fc6c1b19fb5791e55850d07014e7bad845837':
  REPORT-73699 fix: 允许编辑时外部传递进来的text可能是一个方法

src/widget/multiselect/multiselect.trigger.js

@@ -95,7 +95,12 @@ BI.MultiSelectTrigger = BI.inherit(BI.Trigger, {
                 el: {
                     type: "bi.text",
                     title: function () {
-                        return self.searcher.getState();
+                        /** 修正REPORT-73699引入，需要考虑到传递过来的值是方法的情况 */
+                        var state = self.searcher.getState();
+                        if (BI.isFunction(state)) {
+                            return state();
+                        }
+                        return state;
                     }
                 },
                 left: 0,