/*** menu方法扩展* @param {Object} jq* @param {Object} itemEl*/
$.extend($.fn.menu.methods, {/*** 激活选项（覆盖重写）* @param {Object} jq* @param {Object} itemEl*/enableItem : function(jq, itemEl) {return jq.each(function(){var jqElements = $(itemEl);var state = $.data(this, 'menu');if (jqElements.length > 0) {jqElements.each(function(){if ($(this).hasClass('menu-item-disabled')) {for(var i=0; i<state._eventsStore.length; i++){var itemData = state._eventsStore[i];if(itemData.target == this){//恢复超链接if (itemData.href) {$(this).attr("href", itemData.href);}//回复点击事件if (itemData.onclicks) {for (var j = 0; j < itemData.onclicks.length; j++) {$(this).bind('click', itemData.onclicks[j]);}}//设置target为null，清空存储的事件处理程序itemData.target = null;itemData.onclicks = [];$(this).removeClass('menu-item-disabled');}}}});}});},/*** 禁用选项（覆盖重写）* @param {Object} jq* @param {Object} itemEl*/disableItem : function(jq, itemEl) {return jq.each(function() {var jqElements = $(itemEl);var state = $.data(this,'menu');if (jqElements.length > 0) {if (!state._eventsStore)state._eventsStore = [];jqElements.each(function(){if (!$(this).hasClass('menu-item-disabled')) {var backStore = {};backStore.target = this;backStore.onclicks = [];//处理超链接var strHref = $(this).attr("href");if (strHref) {backStore.href = strHref;$(this).attr("href", "javascript:void(0)");}//处理直接耦合绑定到onclick属性上的事件var onclickStr = $(this).attr("onclick");if (onclickStr && onclickStr != "") {backStore.onclicks[backStore.onclicks.length] = new Function(onclickStr);$(this).attr("onclick", "");}//处理使用jquery绑定的事件var eventDatas = $(this).data("events") || $._data(this, 'events');if (eventDatas["click"]) {var eventData = eventDatas["click"];for (var i = 0; i < eventData.length; i++) {if (eventData[i].namespace != "menu") {backStore.onclicks[backStore.onclicks.length] = eventData[i]["handler"];$(this).unbind('click', eventData[i]["handler"]);i--;}}}//遍历_eventsStore数组，如果有target为null的元素，则利用起来var isStored = false;for(var j=0; j<state._eventsStore.length; j++){var itemData = state._eventsStore[j];if(itemData.target==null){isStored = true;state._eventsStore[j] = backStore;}}//没有现成的，则push进去if(isStored==false){state._eventsStore[state._eventsStore.length] = backStore;}$(this).addClass('menu-item-disabled');}});}});}
});