Pull request #3098: KERNEL-12250 feat:简化一下combolist的api

Merge in VISUAL/fineui from ~TREECAT/fineui:master to master

* commit '8efb8ba0e84da26b555e832243fdc40a7b7c6708':
  KERNEL-12250 feat:简化一下combolist的api

demo/js/widget/downlist/demo.downlist.js

@@ -47,11 +47,9 @@ Demo.Downlist = BI.inherit(BI.Widget, {
                 width: 100,
                 items: [
                     [{
-                        el: {
                         text: "column 1111",
                         iconCls1: "dot-e-font",
-                            value: 12
-                        },
+                        value: 12,
                         children: [{
                             text: "column 1.1",
                             value: 21,
@@ -166,13 +164,11 @@ Demo.Downlist = BI.inherit(BI.Widget, {
                 }],
                 items: [
                     [{
-                        el: {
                         text: "选项一",
                         value: 1,
                         icon: {
                             type: "demo.downlist.icon",
                         },
-                        },
                         children: [{
                             text: "选项一",
                             value: 11,

src/widget/downlist/combo.downlist.js

@@ -1,3 +1,31 @@
+(function() {
+    function transformItems(items) {
+        if (!items) return items;
+        var result = BI.cloneDeep(items);
+        var isComplexItmes = BI.some(items, function (_, item) {
+            return BI.isArray(item);
+        });
+        // 传一维数组，帮转二维
+        if (!isComplexItmes) {
+            result = [result];
+        }
+        // 帮转 el
+        BI.each(result, function (_, arr) {
+            BI.each(arr, function (_, item) {
+                if (item.children && !item.el) {
+                    item.el = {
+                        text: item.text,
+                        icon: item.icon,
+                        cls: item.cls,
+                        iconCls1: item.iconCls1,    
+                        value: item.value
+                    };
+                }
+            });
+        });
+        return result;
+    }
+    
     /**
      * Created by roy on 15/8/14.
      */
@@ -47,7 +75,7 @@ BI.DownListCombo = BI.inherit(BI.Widget, {
                         ref: function (ref) {
                             self.popupView = ref;
                         },
-                    items: o.items,
+                        items: transformItems(o.items),
                         chooseType: o.chooseType,
                         value: o.value,
                         listeners: [{
@@ -108,3 +136,4 @@ BI.DownListCombo.EVENT_SON_VALUE_CHANGE = "EVENT_SON_VALUE_CHANGE";
     BI.DownListCombo.EVENT_BEFORE_POPUPVIEW = "EVENT_BEFORE_POPUPVIEW";
     
     BI.shortcut("bi.down_list_combo", BI.DownListCombo);
+}());