feature: 选中数据支持分页

src/widget/multiselect/loader.js

@@ -148,7 +148,10 @@ BI.MultiSelectInnerLoader = BI.inherit(BI.Widget, {
                 this.next.setEnd();
             }
         }
+        var renderEngine = BI.Widget._renderEngine;
+        BI.Widget.registerRenderEngine(BI.Element.renderEngine);
         this.cachGroup.addItems.apply(this.cachGroup, arguments);
+        BI.Widget.registerRenderEngine(renderEngine);
         this.button_group.addItems.apply(this.button_group, arguments);
     },
 
@@ -184,7 +187,10 @@ BI.MultiSelectInnerLoader = BI.inherit(BI.Widget, {
             if (items.length > 100) {
                 this.cachItems = items.slice(100);
             }
+            var renderEngine = BI.Widget._renderEngine;
+            BI.Widget.registerRenderEngine(BI.Element.renderEngine);
             this.cachGroup.populate.call(this.cachGroup, items, keyword);
+            BI.Widget.registerRenderEngine(renderEngine);
             this.button_group.populate.call(this.button_group, items.slice(0, 100), keyword);
         }
     },