/** * 下拉 * @class BI.Trigger * @extends BI.Single * @abstract */ BI.Trigger = BI.inherit(BI.Single, { _defaultConfig: function () { var conf = BI.Trigger.superclass._defaultConfig.apply(this, arguments); return BI.extend(conf, { _baseCls: (conf._baseCls || "") + " bi-trigger cursor-pointer", height: 24 }); }, _init: function () { BI.Trigger.superclass._init.apply(this, arguments); }, setKey: function () { }, getKey: function () { } });