LK.Shop.Web/Styles/Style1/JS/search_category_menu.js

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/**
 * --------------------------------------------------------------------
 * jQuery tree plugin
 * Author: Scott Jehl, scott@filamentgroup.com
 * Copyright (c) 2009 Filament Group 
 * licensed under MIT (filamentgroup.com/examples/mit-license.txt)
 * --------------------------------------------------------------------
 */
$.fn.tree = function(settings){
	var o = $.extend({
		expanded: ''
	},settings);
	
	return $(this).each(function(){
		if( !$(this).parents('.tree').length ){
		//save reference to tree UL
		var tree = $(this);
		
		//add the role and default state attributes
		if( !$('body').is('[role]') ){ $('body').attr('role','application'); }
		//add role and class of tree
		tree.attr({'role': 'tree'}).addClass('tree');
		//set first node's tabindex to 0
		tree.find('i:eq(0)').attr('tabindex','0');
		//set all others to -1
		tree.find('i:gt(0)').attr('tabindex','-1');
		//add group role and tree-group-collapsed class to all ul children
		tree.find('ul').attr('role','group').addClass('tree-group-collapsed');
		//add treeitem role to all li children
		tree.find('li').attr('role','treeitem');
		//find tree group parents
		tree.find('li:has(ul)')
				.attr('aria-expanded', 'false')
				.find('>i')
				.addClass('tree-parent tree-parent-collapsed');
	
		//expanded at load		
		tree
			.find(o.expanded)
			.attr('aria-expanded', 'true')
				.find('>i')
				.removeClass('tree-parent-collapsed')
				.nextAll('ul')
				.removeClass('tree-group-collapsed');
					
		
		//bind the custom events
		tree
			//expand a tree node
			.bind('expand',function(event){
				var target = $(event.target) || tree.find('i[tabindex=0]');
				target.removeClass('tree-parent-collapsed');
				target.nextAll('ul').hide().removeClass('tree-group-collapsed').slideDown(150, function(){
					$(this).removeAttr('style');
					target.parent().attr('aria-expanded', 'true');
				});
			})
			//collapse a tree node
			.bind('collapse',function(event){
				var target = $(event.target) || tree.find('i[tabindex=0]');