我知道这是一个旧线程，但考虑到 cjbarth 指出的内容，我已经对代码做了几个 tweeks，它现在可以与最新的 jquery 1.9.0 库一起使用。
希望这可以帮助某人:)。
jquery.dcdrilldown.1.2.1 源码
/*
* DC jQuery Drill Down Menu - jQuery drill down ipod menu
* Copyright (c) 2011 Design Chemical
*
* Patched for jQuery version 1.9.0
* By Tay - StackOverflow
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
*/
(function($){
//define the new for the plugin ans how to call it
$.fn.dcDrilldown = function(options) {
//set default options
var defaults = {
classWrapper : 'dd-wrapper',
classMenu : 'dd-menu',
classParent : 'dd-parent',
classParentLink : 'dd-parent-a',
classActive : 'active',
classHeader : 'dd-header',
eventType : 'click',
hoverDelay : 300,
speed : 'slow',
saveState : true,
showCount : true,
classCount : 'dd-count',
classIcon : 'dd-icon',
linkType : 'backlink',
resetText : 'All',
headerTag : 'h3',
defaultText : 'Select Option',
includeHdr : true
};
//call in the default options
var options = $.extend(defaults, options);
//act upon the element that is passed into the design
return this.each(function(options){
var $dcDrilldownObj = this;
$($dcDrilldownObj).addClass(defaults.classMenu);
var $wrapper = '<div class="'+defaults.classWrapper+'" />';
$($dcDrilldownObj).wrap($wrapper);
var $dcWrapper = $($dcDrilldownObj).parent();
var objIndex = $($dcWrapper).index('.'+defaults.classWrapper);
var idHeader = defaults.classHeader+'-'+objIndex;
var idWrapper = defaults.classWrapper+'-'+objIndex;
$($dcWrapper).attr('id',idWrapper);
var $header = '<div id="'+idHeader+'" class="'+defaults.classHeader+'"></div>';
setUpDrilldown();
if(defaults.saveState == true){
var cookieId = defaults.classWrapper+'-'+objIndex;
checkCookie(cookieId, $dcDrilldownObj);
}
resetDrilldown($dcDrilldownObj, $dcWrapper);
$('li a',$dcDrilldownObj).click(function(e){
$link = this;
$activeLi = $(this).parent('li').stop();
$siblingsLi = $($activeLi).siblings();
// Drilldown action
if($('> ul',$activeLi).length){
if($($link).hasClass(defaults.classActive)){
$('ul a',$activeLi).removeClass(defaults.classActive);
resetDrilldown($dcDrilldownObj, $dcWrapper);
} else {
actionDrillDown($activeLi, $dcWrapper, $dcDrilldownObj);
}
}
// Prevent browsing to link if has child links
if($(this).next('ul').length > 0){
e.preventDefault();
}
});
// Set up accordion
function setUpDrilldown(){
$arrow = '<span class="'+defaults.classIcon+'"></span>';
$($dcDrilldownObj).before($header);
// Get width of menu container & height of list item
var totalWidth = $($dcDrilldownObj).outerWidth();
totalWidth += 'px';
var itemHeight = $('li',$dcDrilldownObj).outerHeight(true);
// Get height of largest sub menu
var objUl = $('ul',$dcDrilldownObj);
var maxItems = findMaxHeight(objUl);
// Get level of largest sub menu
var maxUl = objUl.parent().find('[rel=' + maxItems + ']');
var getIndex = findMaxIndex(maxUl);
// Set menu container height
if(defaults.linkType == 'link'){
menuHeight = itemHeight * (maxItems + getIndex);
} else {
menuHeight = itemHeight * maxItems;
}
$($dcDrilldownObj).css({height: menuHeight+'px', width: totalWidth});
// Set sub menu width and offset
$('li',$dcDrilldownObj).each(function(){
$(this).css({width: totalWidth});
$('ul',this).css({width: totalWidth, marginRight: '-'+totalWidth, marginTop: '0'});
if($('> ul',this).length){
$(this).addClass(defaults.classParent);
$('> a',this).addClass(defaults.classParentLink).append($arrow);
if(defaults.showCount == true){
var parentLink = $('a:not(.'+defaults.classParentLink+')',this);
var countParent = parseInt($(parentLink).length);
getCount = countParent;
$('> a',this).append(' <span class="'+defaults.classCount+'">('+getCount+')</span>');
}
}
});
// Add css class
$('ul',$dcWrapper).each(function(){
$('li:last',this).addClass('last');
});
$('> ul > li:last',$dcWrapper).addClass('last');
if(defaults.linkType == 'link'){
$(objUl).css('top',itemHeight+'px');
}
}
// Breadcrumbs
$('#'+idHeader).on('click', 'a', function(e){
if($(this).hasClass('link-back')){
linkIndex = $('#'+idWrapper+' .'+defaults.classParentLink+'.active').length;
linkIndex = linkIndex-2;
$('a.'+defaults.classActive+':last', $dcDrilldownObj).removeClass(defaults.classActive);
} else {
// Get link index
var linkIndex = parseInt($(this).index('#'+idHeader+' a'));
if(linkIndex == 0){
$('a',$dcDrilldownObj).removeClass(defaults.classActive);
} else {
// Select equivalent active link
linkIndex = linkIndex-1;
$('a.'+defaults.classActive+':gt('+linkIndex+')',$dcDrilldownObj).removeClass(defaults.classActive);
}
}
resetDrilldown($dcDrilldownObj, $dcWrapper);
e.preventDefault();
});
});
function findMaxHeight(element){
var maxIndex = undefined;
$(element).each(function(){
var val = parseInt($('> li',this).length);
$(this).attr('rel',val);
if (maxIndex === undefined || maxIndex < val){
maxIndex = val;
}
});
if ($(element).find('li').length > maxIndex) {
//the longest 'submenu' could be the root menu
return 1
} else {
return maxIndex;
}
}
function findMaxIndex(element){
var maxIndex = undefined;
$(element).each(function(){
var val = parseInt($(this).parents('li').length);
if (maxIndex === undefined || maxIndex < val) {
maxIndex = val;
}
});
return maxIndex;
}
// Retrieve cookie value and set active items
function checkCookie(cookieId, obj){
var cookieVal = $.cookie(cookieId);
if(cookieVal != null){
// create array from cookie string
var activeArray = cookieVal.split(',');
$.each(activeArray, function(index,value){
var $cookieLi = $('li:eq('+value+')',obj);
$('> a',$cookieLi).addClass(defaults.classActive);
});
}
}
// Drill Down
function actionDrillDown(element, wrapper, obj){
// Declare header
var $header = $('.'+defaults.classHeader, wrapper);
// Get new breadcrumb and header text
var getNewBreadcrumb = $('h3',$header).html();
var getNewHeaderText = $('> a',element).html();
// Add new breadcrumb
if(defaults.linkType == 'breadcrumb'){
if(!$('ul',$header).length){
$($header).prepend('<ul></ul>');
}
if(getNewBreadcrumb == defaults.defaultText){
$('ul',$header).append('<li><a href="#" class="first">'+defaults.resetText+'</a></li>');
} else {
$('ul',$header).append('<li><a href="#">'+getNewBreadcrumb+'</a></li>');
}
}
if(defaults.linkType == 'backlink'){
if(!$('a',$header).length){
$($header).prepend('<a href="#" class="link-back">'+getNewBreadcrumb+'</a>');
} else {
$('.link-back',$header).html(getNewBreadcrumb);
}
}
if(defaults.linkType == 'link'){
if(!$('a',$header).length){
$($header).prepend('<ul><li><a href="#" class="first">'+defaults.resetText+'</a></li></ul>');
}
}
// Update header text
updateHeader($header, getNewHeaderText);
// declare child link
var activeLink = $('> a',element);
// add active class to link
$(activeLink).addClass(defaults.classActive);
$('> ul li',element).show();
$('> ul',element).animate({"margin-right": 0}, defaults.speed);
// Find all sibling items & hide
var $siblingsLi = $(element).siblings();
$($siblingsLi).hide();
// If using breadcrumbs hide this element
if(defaults.linkType != 'link'){
$(activeLink).hide();
}
// Write cookie if save state is on
if(defaults.saveState == true){
var cookieId = $(wrapper).attr('id');
createCookie(cookieId, obj);
}
}
// Drill Up
function actionDrillUp(element, obj, wrapper){
// Declare header
var $header = $('.'+defaults.classHeader, wrapper);
var activeLink = $('> a',element);
var checklength = $('.'+defaults.classActive, wrapper).length;
var activeIndex = $(activeLink).index('.'+defaults.classActive, wrapper);
// Get width of menu for animating right
var totalWidth = $(obj).outerWidth(true);
$('ul',element).css('margin-right',-totalWidth+'px');
// Show all elements
$(activeLink).addClass(defaults.classActive);
$('> ul li',element).show();
$('a',element).show();
// Get new header text from clicked link
var getNewHeaderText = $('> a',element).html();
$('h3',$header).html(getNewHeaderText);
if(defaults.linkType == 'breadcrumb'){
var breadcrumbIndex = activeIndex-1;
$('a:gt('+activeIndex+')',$header).remove();
}
}
function updateHeader(obj, html){
if(defaults.includeHdr == true){
if($('h3',obj).length){
$('h3',obj).html(html);
} else {
$(obj).append('<'+defaults.headerTag+'>'+html+'</'+defaults.headerTag+'>');
}
}
}
// Reset accordion using active links
function resetDrilldown(obj, wrapper){
var $header = $('.'+defaults.classHeader, wrapper);
$('ul',$header).remove();
$('a',$header).remove();
$('li',obj).show();
$('a',obj).show();
var totalWidth = $(obj).outerWidth(true);
if(defaults.linkType == "link"){
if($('a.'+defaults.classActive+':last',obj).parent('li').length){
var lastActive = $('a.'+defaults.classActive+':last',obj).parent('li');
$('ul',lastActive).css('margin-right',-totalWidth+'px');
}else {
$('ul',obj).css('margin-right',-totalWidth+'px');
}
} else {
$('ul',obj).css('margin-right',-totalWidth+'px');
}
updateHeader($header, defaults.defaultText);
// Write cookie if save state is on
if(defaults.saveState == true){
var cookieId = $(wrapper).attr('id');
createCookie(cookieId, obj);
}
$('a.'+defaults.classActive,obj).each(function(i){
var $activeLi = $(this).parent('li').stop();
actionDrillDown($activeLi, wrapper, obj);
});
}
// Write cookie
function createCookie(cookieId, obj){
var activeIndex = [];
// Create array of active items index value
$('a.'+defaults.classActive,obj).each(function(i){
var $arrayItem = $(this).parent('li');
var itemIndex = $('li',obj).index($arrayItem);
activeIndex.push(itemIndex);
});
// Store in cookie
$.cookie(cookieId, activeIndex, { path: '/' });
}
};
})(jQuery);