sort comments by favorites
Per
// ==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 1.3
// @grant none
// ==/UserScript==
var savedstuff;
var winNode;
var unwinNode;
var copy;
function sortFav(a,b) {
return (-(getFav(a)-getFav(b)));
}
function getFav(a)
{
var thing = a.getElementsByTagName("SPAN");
if (thing.length ==0 ) {
return 1;
}
thing = thing[0].getElementsByTagName("SPAN");
if (thing.length ==0) {
thing = a.getElementsByTagName("SPAN");
if (thing.length ==0 ) {
return 1;
}
thing =thing[0].getElementsByTagName("A");
thing =new Array(thing[2]);
if (thing == undefined) {
thing= new Array();
}
} else {
var thing2
thing2 = thing[0].getElementsByTagName("SPAN");
if (thing2.length ==0) {
//No extra span layer in MeTalk
thing2=thing
}
thing = thing2[0].getElementsByTagName("A");
}
var fav =0;
re = new RegExp("\\d+")
if (thing.length > 0 &&thing[0] != undefined ) {
var m =re.exec(thing[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);
}