Adds the ability to re-order columns by dragging the headers. The layout is automatically saved in your browser and will be applied on each page load.
Versione datata
// ==UserScript==
// @name [Konachan / yande.re] Forum List: Re-order columns
// @namespace Zolxys
// @description Adds the ability to re-order columns by dragging the headers. The layout is automatically saved in your browser and will be applied on each page load.
// @include /^https?://konachan\.(com|net)/forum/?($|\?|#)/
// @include /^https?://yande\.re/forum/?($|\?|#)/
// @version 2.1
// ==/UserScript==
var h = document.getElementById('forum').getElementsByTagName('table')[0].getElementsByTagName('th');
var a = document.getElementById('forum').getElementsByTagName('table')[0].getElementsByTagName('tr');
var d = null, x = 0, y = 0, l = 0, r = 0;
function dragEnd() {
if (d == null)
return;
d.style.position = '';
d.style.marginLeft = '';
d.style.marginTop = '';
d = null;
var o = [];
o.length = h.length;
var t;
for (var i = 0; i < h.length; ++i)
if (/^\d+$/.test(t = h[i].getAttribute('zol_column_number')))
o[t] = i;
for (var i = 0; i < o.length; ++i)
if (o[i] == undefined)
o.splice(i--,1);
window.localStorage.Zolxys_ForumListColumnOrder = o.join();
}
function dragUpdate(e) {
if (d != null) {
var ml = (e.pageX - x);
d.style.marginLeft = ml + 'px';
d.style.marginTop = (e.pageY - y) + 'px';
var p = 0;
if (l < 0 && ml < l)
p = -1;
else if (r > 0 && ml > r)
p = 2;
else
return;
var n = 0;
for (; n < h.length; ++n)
if (d == h[n])
break;
p += n;
var cx = d.getBoundingClientRect().x;
for (var i = 0; i < a.length; ++i)
a[i].insertBefore(a[i].children[n], a[i].children[p]);
d.style.marginLeft = '';
x = e.pageX + d.getBoundingClientRect().x - cx;
d.style.marginLeft = (e.pageX - x) + 'px';
l = r = 0;
if (d.previousElementSibling != null)
l = d.previousElementSibling.getBoundingClientRect().width * -1;
if (d.nextElementSibling != null)
r = d.nextElementSibling.getBoundingClientRect().width;
dragUpdate(e);
}
}
for (var i = 0; i < h.length; ++i) {
h[i].setAttribute('zol_column_number', i);
h[i].addEventListener('mousedown', function (e) {
if (d != null || e.buttons != 1)
return dragEnd();
d = this;
d.style.position = 'absolute';
x = e.pageX;
y = e.pageY;
if (d.previousElementSibling != null)
l = d.previousElementSibling.getBoundingClientRect().width * -1;
if (d.nextElementSibling != null)
r = d.nextElementSibling.getBoundingClientRect().width;
e.stopPropagation();
e.preventDefault();
});
}
var co = window.localStorage.Zolxys_ForumListColumnOrder;
if (co)
if (/^\d[\d,]+\d$/.test(co)) {
co = co.split(',');
if (co.length > h.length)
co.length = h.length;
for (var i = 0; i < co.length; ++i)
co[i] = parseInt(co[i]);
for (var n = 0, x = -1; n < h.length; ++n)
if ((x = co.indexOf(n)) >= 0)
if (n != x) {
for (var i = 0; i < a.length; ++i)
a[i].insertBefore(a[i].children[x], a[i].children[n]);
co.splice(x,1);
co.unshift(-1);
}
}
document.addEventListener('mousemove', dragUpdate);
document.addEventListener('mouseup', dragEnd);