Habr Percentage Ring

Percentage Rings around numbers which show grades (for with userstyles)

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @id HabrPercentageRing
// @name Habr Percentage Ring
// @version 11.2014.11.11
// @namespace github.com/spmbt
// @author spmbt0
// @contributor KOLANICH
// @description Percentage Rings around numbers which show grades (for with userstyles)
// @icon http://habrahabr.ru/favicon.ico
// @update 0.81 bug + подгонка эллипсов
// @include /^https?://(m\.|webcache\.googleusercontent\.com\/search\?q=cache(:|%3A|%3a)(http(:|%3A|%3a)(\/|%2F|%2f)(\/|%2F|%2f))?)?(habrahabr|geektimes).ru(?!\/special|\/api)/
// @include http://habrahabr.ru*
// @exclude http://habrahabr.ru/api*
// @radius 14
// @magic_offsets [46, 99, 26, 56, 14, 18, 9, 12, 17, 43, 11, 4]
// @delay 2999
// @pos_vote_color #1b1
// @neg_vote_color #a24
// ==/UserScript==
// работает автономно или как модуль для HabrAjax
"use strict";
const mo=new Int8Array(JSON.parse(GM_getMetadata("magic_offsets")[0]));
const r2=GM_getMetadata("radius")[0];
const baseOpacity=0.25;
const pvc=GM_getMetadata("pos_vote_color")[0];
const nvc=GM_getMetadata("neg_vote_color")[0];

function writePercRound(aP, aM) {
	var aPM = Number(aP) + Number(aM);
	if (aPM == 0)
		return document.createElement('div');
	var c = document.createElement('canvas'), ell = 1 - 1 / 3.6;
	c.width = c.height = r2 * 2;
	c.style.backgroundColor = 'transparent';
	c.style.position = 'absolute';
	c.style.left = (-r2 + mo[7]) + 'px';
	c.style.top = (-r2 + 1 + 8) + 'px';
	var q = c.getContext("2d"),
	log = Math.log(aPM) / 1.6 + 1;
	c.style.opacity = baseOpacity + log * 0.1;
	c.style.zIndex = 1;
	
	q.lineWidth = log;
	q.strokeStyle = pvc;
	var perc = (0.5 - aM / aPM) * Math.PI, perc2 = (0.5 + aM / aPM) * Math.PI;
	q.beginPath();
	q.scale(1, ell);
	q.arc(r2, r2 / ell, r2 - 1, perc, perc2 + 2 * (perc == perc2 && aP != 0) * Math.PI, aP == 0 || aM != 0);
	q.stroke();
	q.beginPath();
	q.strokeStyle = nvc;
	q.arc(r2, r2 / ell, r2 - 1, perc, perc2 + 2 * (perc == perc2 && aM != 0) * Math.PI, !1);
	q.stroke();
	return c;
}

function setUpdateHandlers (oP,oPM, oPP) {
	var ff = function () {
		setTimeout(function () {
			habrPercentageRing(oP)
		}, GM_getMetadata("delay")[0])
	};
	oPM && oPM.addEventListener('click', ff, !1);
	oPP && oPP.addEventListener('click', ff, !1);
};
function getPositionCenter(obj) { //
	var x = 0,
	y = 0,
	w2 = Math.floor(obj.offsetWidth / 2),
	h2 = Math.floor(obj.offsetHeight / 2);
	while (obj) {
		x += obj.offsetLeft;
		y += obj.offsetTop;
		obj = obj.offsetParent;
	}
	return {x : x, y : y, w2 : w2, h2 : h2};
};


function habrPercentageRing(blck) {
	var marks = blck && blck.childNodes && blck.querySelectorAll('.mark'),
	isC2 = blck && / c2/.test(blck.className),
	isQa = /\/qa\//.test(location.href);
	function $q(q, f) {
		return (f || document).querySelector(q)
	};
	if (!marks)
		return;
	for (var i in marks) {
		var o = marks[i],
		oP = o.parentNode;
		if (!o || !o.attributes)
			continue;
		o.style.position = 'relative';
		if (/\/users\//.test(location.href)) {
			oP.style.marginRight = mo[4]+'px';
			oP.style.marginTop = '2px';
		}
		var oXS = $q('span', o);
		if (oXS && oXS.getAttribute('title')) {
			let oXSt = oXS.getAttribute('title').match(/[\d\.]+/g),
			oC = $q('canvas', o);
			if (oC)
				oC.parentNode.removeChild(oC);
			if (oXSt && oXSt.length && !$q('canvas', o)) {
				var aP = oXSt[1], aM = oXSt[2];
				let c = writePercRound(aP, aM);
				//getPositionCenter(o);
				var oPM = $q('.minus', oP), oPP = $q('.plus', oP), oPPI = /infopanel/.test(oP.parentNode.className);
				if (oPM && (-aP - aM))
					oPM.style.left = (oPPI ? mo[0] : mo[2] + 6 * (Math.abs(aP - aM) > mo[6])) + 'px';
				oXS.style.left = '-1px';
				if (oPPI) { //new layout
					c.style.left = (Math.abs(aP - aM) > mo[1] ? -r2 + mo[8] : (aP == aM ? -r2 + 3 : -r2 + mo[10] - mo[11] * (Math.abs(aP - aM) <= mo[6]))) + 'px';
					c.style.top = '-5px';
				} else if (oP.parentNode.parentNode.className == 'entry-info vote_holder') { //old layout
					c.style.left = (Math.abs(aP - aM) > mo[1] ? -r2 + mo[3] : (aP == aM ? -r2 + mo[9] : -r2 + mo[0] + mo[11] * (Math.abs(aP - aM) > mo[6]))) + 'px';
					c.style.top = isC2 ? '-6px' : '-4px';
				} else { //comments
					c.style.left = (Math.abs(aP - aM) > mo[1] ? -r2 + mo[5] : (aP == aM ? -r2 + 8 : -r2 + mo[6] + mo[11] * (Math.abs(aP - aM) > mo[6]))) - (isC2 && !isQa ? 3 : 0) + 'px';
					oXS.style.top = 0;
					oXS.style.left = (aP == aM ? 7 : -1) + 'px';
					c.style.top = isC2 ? '-8px' : '-6px';
				}
				oXS.style.position = 'relative';
				o.insertBefore(c, oXS);
				if (oPPI && Math.abs(aP - aM) > mo[1])
					o.style.left = (-mo[6])+'px';
				oXS.style.zIndex = 2;
				setUpdateHandlers(oP,oPM, oPP);
			}
		}
	}
};
habrPercentageRing(document);

window.addEventListener('chgDom', function (ev) { //проверить блок по событию от модулей (Fx6+, Chrome,Safari)
	habrPercentageRing(ev.detail);
}, !1);