// AJAX读取页面内容，并把BODY内容以外的数据删除，重写到指定DIV
function loadDemo(path) {
$.get(path, function(data) {
data = data.replace(/<script.*>.*<\/script>/ig,""); // Remove script tags
data = data.replace(/<\/?link.*>/ig,""); //Remove link tags
data = data.replace(/<\/?html.*>/ig,""); //Remove html tag
data = data.replace(/<\/?body.*>/ig,""); //Remove body tag
data = data.replace(/<head>.*<\/head>/ig,"");
data = data.replace(/<\/?head.*>/ig,""); //Remove head tag
data = data.replace(/<\/?!doctype.*>/ig,""); //Remove doctype
data = data.replace(/<title.*>.*<\/title>/ig,""); // Remove title tags
data = data.replace(/<meta.*>/ig,"");
data = $.trim(data);
$('style.demo-style').remove();
$('#demo-frame').empty().html(data);
$('#demo-frame style').appendTo('head').addClass('demo-style');
$('#demo-link a').attr('href', path);
});
}
$(document).ready(function() {
//Rewrite and prepare links of right-hand sub navigation
//重写菜单部分，处理菜单点击事件，点击后会跟据href提取内容并重写到指定DIV上
$('#demo-config-menu a').each(function() {
$(this).attr('target', 'demo-frame');
$(this).click(function(e) {
//更新菜单按钮的class，实现按钮高亮
$(this).parents('ul').find('li').removeClass('demo-config-on');
$(this).parent().addClass('demo-config-on');
//Set the hash to the actual page without ".html"
//重写地址栏，hash为#后面的字串
window.location.hash = this.getAttribute('href').match((/\/([^\/\\]+)\.html/))[1];
loadDemo(this.getAttribute('href'));
//默认点击事件实现
e.preventDefault();
});
});
//If a hash is available, select the right-hand menu item and load it
if(window.location.hash) {
loadHash();
}
});
// 截入页面后，检查地址的hash是否与菜单中的链接一致，如果一致直接重写DIV。实现了能通过直接地址访问方式来访问AJAX行为所显示的内容
function loadHash() {
$('#demo-config-menu a').each(function() {
if(this.getAttribute('href').indexOf('/'+window.location.hash.substr(1)+'.html') != -1) {
// 高亮
$(this).parents('ul').find('li').removeClass('demo-config-on');
$(this).parent().addClass('demo-config-on');
loadDemo(this.getAttribute('href'));
}
});
}