增加一个可以外部暴露的方法

src/base/combination/combo.js

@@ -1,3 +1,5 @@
+!(function () {
+    var needHideWhenAnotherComboOpen = {};
     /**
      * @class BI.Combo
      * @extends BI.Widget
@@ -16,6 +18,7 @@ BI.Combo = BI.inherit(BI.Widget, {
                 container: null, // popupview放置的容器，默认为this.element
                 isDefaultInit: false,
                 destroyWhenHide: false,
+                hideWhenAnotherComboOpen: false,
                 isNeedAdjustHeight: true, // 是否需要高度调整
                 isNeedAdjustWidth: true,
                 stopEvent: false,
@@ -291,6 +294,7 @@ BI.Combo = BI.inherit(BI.Widget, {
                 this.popupView && this.popupView.invisible();
             }
             this.element.removeClass(this.options.comboClass);
+            delete needHideWhenAnotherComboOpen[this.getName()];
 
             BI.Widget._renderEngine.createElement(document).unbind("mousedown." + this.getName()).unbind("mousewheel." + this.getName());
             this.fireEvent(BI.Combo.EVENT_AFTER_HIDEVIEW);
@@ -301,6 +305,11 @@ BI.Combo = BI.inherit(BI.Widget, {
             this.fireEvent(BI.Combo.EVENT_BEFORE_POPUPVIEW);
 
             this.popupView.visible();
+            BI.each(needHideWhenAnotherComboOpen, function(i, combo){
+                combo && combo.hideView();
+            });
+            needHideWhenAnotherComboOpen = {};
+            this.options.hideWhenAnotherComboOpen && (needHideWhenAnotherComboOpen[this.getName()] = this);
             this.adjustWidth(e);
             this.adjustHeight(e);
 
@@ -519,6 +528,7 @@ BI.Combo = BI.inherit(BI.Widget, {
                 .unbind("mouseleave." + this.getName());
             BI.Resizers.remove(this.getName());
             this.popupView && this.popupView._destroy();
+            delete needHideWhenAnotherComboOpen[this.getName()];
         }
     });
     BI.Combo.EVENT_TRIGGER_CHANGE = "EVENT_TRIGGER_CHANGE";
@@ -534,3 +544,4 @@ BI.Combo.EVENT_BEFORE_HIDEVIEW = "EVENT_BEFORE_HIDEVIEW";
     BI.Combo.EVENT_AFTER_HIDEVIEW = "EVENT_AFTER_HIDEVIEW";
 
     BI.shortcut("bi.combo", BI.Combo);
+}());