sort comments by favorites
当前为
// ==UserScript==
// @name thread win
// @namespace bperkins
// @description sort comments by favorites
// @include http://www.metafilter.com/*
// @include http://ask.metafilter.com/*
// @include http://metatalk.metafilter.com/*
// @version 1.4
// @grant none
// ==/UserScript==
var savedstuff;
var winNode;
var unwinNode;
var copy;
function sortFav(a,b) {
return (-(getFav(a)-getFav(b)));
}
function getFav(a)
{
var toplevel = a.getElementsByTagName("SPAN");
var notloggedin = 0;
if (toplevel.length ==0 ) {
return 1;
}
var bylinespan = toplevel[0].getElementsByTagName("SPAN");
if (bylinespan.length ==0) {
notloggedin =1
bylinespan = a.getElementsByTagName("SPAN");
}
if (bylinespan.length ==0 ) {
return 1;
}
var favspan;
if (bylinespan[0].getAttribute("class") == "staffp" ) {
favspan = bylinespan[2].getElementsByTagName("SPAN");
} else {
favspan = bylinespan[0].getElementsByTagName("SPAN");
}
if (favspan.length ==0) {
//No extra span layer in MeTalk
favspan=bylinespan
}
var fava = favspan[0].getElementsByTagName("A");
var fav =0;
re = new RegExp("\\d+")
if (fava.length > 0 &&fava[0] != undefined ) {
var m;
if (notloggedin) {
if (fava.length >2) {
m=re.exec(fava[2].innerHTML);
} else {
return 1
}
} else {
m=re.exec(fava[0].innerHTML);
}
fav=m[0];
}
return (1*fav)+1;
}
function unwin () {
copy.replaceChild(winNode,unwinNode);
var parent=getCommentParent ();
var newstuff = parent.childNodes;
while ( newstuff.length >0 ) {
parent.removeChild(newstuff[0]);
}
for (var j = 0; j < savedstuff.length; j++) {
parent.appendChild(savedstuff[j]);
}
}
function getCommentParent () {
page = document.evaluate(
"//div[@id='page']",
document,
null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
null);
for (var i = 0; i < page.snapshotLength; i++) {
stuff = page.snapshotItem(i).childNodes;
for (var j = 0; j < stuff.length; j++) {
if (stuff[j].nodeName.toUpperCase()=="DIV" &&
(stuff[j].getAttribute("class") == "comments" ||
stuff[j].getAttribute("class") == "comments bestleft"||
stuff[j].getAttribute("class") == "comments best")) {
return page.snapshotItem(i);
}
}
}
page = document.evaluate(
"//body[@id='body']",
document,
null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
null);
for (var i = 0; i < page.snapshotLength; i++) {
stuff = page.snapshotItem(i).childNodes;
for (var j = 0; j < stuff.length; j++) {
if (stuff[j].nodeName.toUpperCase()=="DIV" &&
(stuff[j].getAttribute("class") == "comments" ||
stuff[j].getAttribute("class") == "comments bestleft"||
stuff[j].getAttribute("class") == "comments best")) {
return page.snapshotItem(i);
}
}
}
}
function threadwin () {
copy.replaceChild(unwinNode,winNode);
var parent= getCommentParent();
var stuff = parent.childNodes;
var commentidxs = new Array;
var comments = new Array;
var objects = new Array ;
savedstuff=new Array;
var k=0;
var favs =""
for (var j = 0; j < stuff.length; j++) {
if (stuff[j].nodeName.toUpperCase()=="DIV" &&
(stuff[j].getAttribute("class") == "comments" ||
stuff[j].getAttribute("class") == "comments bestleft"||
stuff[j].getAttribute("class") == "comments best")) {
commentidxs.push(j);
comments.push(stuff[j]);
}
objects.push(stuff[j]);
savedstuff.push(stuff[j]);
}
comments.sort(sortFav);
for (var j = 0; j < comments.length; j++) {
objects[commentidxs[j]]=comments[j];
}
while ( stuff.length >0 ) {
parent.removeChild(stuff[0]);
}
for (var j = 0; j < objects.length; j++) {
parent.appendChild(objects[j]);
}
}
res = document.evaluate(
"//div[@class='copy']",
document,
null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
null);
copy=res.snapshotItem(0)
if (copy.parentNode.id == "page" ) {
winNode = document.createElement('a');
winNode.innerHTML = "<small>[threadwin]</small> ";
winNode.href ="#";
winNode.addEventListener("click", threadwin, true);
copy.appendChild( winNode );
unwinNode = document.createElement('a');
unwinNode.innerHTML = "<small>[unwin]</small>";
unwinNode.href ="#";
unwinNode.addEventListener("click", unwin, true);
}