DiscuzX/upload/static/js/autoloadpage.js

104 lines
3.3 KiB
JavaScript

/*
[Discuz!] (C)2001-2099 Comsenz Inc.
This is NOT a freeware, use is subject to license terms
$Id: autoloadpage.js 33246 2013-05-09 02:07:17Z kamichen $
*/
(function() {
var autopbn = $('autopbn');
var nextpageurl = autopbn.getAttribute('rel').valueOf();
var curpage = parseInt(autopbn.getAttribute('curpage').valueOf());
var totalpage = parseInt(autopbn.getAttribute('totalpage').valueOf());
var picstyle = parseInt(autopbn.getAttribute('picstyle').valueOf());
var forumdefstyle = parseInt(autopbn.getAttribute('forumdefstyle').valueOf());
picstyle = picstyle && !forumdefstyle;
var autopagenum = 0;
var maxpage = (curpage + autopagenum) > totalpage ? totalpage : (curpage + autopagenum);
var loadstatus = 0;
autopbn.onclick = function() {
var oldloadstatus = loadstatus;
loadstatus = 2;
autopbn.innerHTML = '正在加载, 请稍后...';
getnextpagecontent();
loadstatus = oldloadstatus;
};
if(autopagenum > 0) {
window.onscroll = function () {
var curtop = Math.max(document.documentElement.scrollTop, document.body.scrollTop);
if(curtop + document.documentElement.clientHeight + 500 >= document.documentElement.scrollHeight && !loadstatus) {
loadstatus = 1;
autopbn.innerHTML = '正在加载, 请稍后...';
setTimeout(getnextpagecontent, 1000);
}
};
}
function getnextpagecontent() {
if(curpage + 1 > totalpage) {
window.onscroll = null;
autopbn.style.display = 'none';
return;
}
if(loadstatus != 2 && curpage + 1 > maxpage) {
autopbn.innerHTML = '下一页 »';
if(curpage + 1 > maxpage) {
window.onscroll = null;
}
return;
}
curpage++;
var url = nextpageurl + '&t=' + parseInt((+new Date()/1000)/(Math.random()*1000));
var x = new Ajax('HTML');
x.get(url, function (s) {
s = s.replace(/\n|\r/g, '');
if(s.indexOf("id=\"autopbn\"") == -1) {
$("autopbn").style.display = "none";
window.onscroll = null;
}
if(!picstyle) {
var tableobj = $('threadlisttableid');
var nexts = s.match(/\<tbody id="normalthread_(\d+)"\>(.+?)\<\/tbody>/g);
for(i in nexts) {
if(i == 'index' || i == 'lastIndex') {
continue;
}
var insertid = nexts[i].match(/<tbody id="normalthread_(\d+)"\>/);
if(!$('normalthread_' + insertid[1])) {
var newbody = document.createElement('tbody');
tableobj.appendChild(newbody);
var div = document.createElement('div');
div.innerHTML = '<table>' + nexts[i] + '</table>';
tableobj.replaceChild(div.childNodes[0].childNodes[0], tableobj.lastChild);
}
}
} else {
var nexts = s.match(/\<li style="width:\d+px;" id="picstylethread_(\d+)"\>(.+?)\<\/li\>/g);
for(i in nexts) {
var insertid = nexts[i].match(/id="picstylethread_(\d+)"\>/);
if(!$('picstylethread_' + insertid[1])) {
$('threadlist_picstyle').innerHTML += nexts[i];
}
}
}
var pageinfo = s.match(/\<span id="fd_page_bottom"\>(.+?)\<\/span\>/);
nextpageurl = nextpageurl.replace(/&page=\d+/, '&page=' + (curpage + 1));
$('fd_page_bottom').innerHTML = pageinfo[1];
if(curpage + 1 > totalpage) {
autopbn.style.display = 'none';
} else {
autopbn.innerHTML = '下一页 &raquo;';
}
loadstatus = 0;
});
}
})();