Created
September 6, 2013 12:58
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A userscript for Greasemonkey to add Roman numerals to Facebook, intended for Latin users
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// ==UserScript== | |
// @name Roman numerals for Facebook | |
// @namespace http://userscripts.org | |
// @description Convert numbers on Facebook to Roman numerals (for Latin language setting) | |
// @include http*://*facebook.com/* | |
// @grant none | |
// @version 1 | |
// ==/UserScript== | |
// Tweaked from http://stackoverflow.com/questions/9083037/convert-a-number-into-a-roman-numeral-in-javascript | |
function toRoman(num) { | |
if (num > 3999999) { return num; } | |
var result = '', | |
ref = ['M', 'CM', 'D', 'CD', 'C', 'XC', 'L', 'XL', 'X', 'IX', 'V', 'IV', 'I'], | |
xis = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]; | |
if (num <= 3999999 && num >= 4000) { | |
result = '<span style="text-decoration: overline;">'+toRoman(num.substr(0, num.length - 3))+'</span>'; | |
num = num.substr(num.length - 3); | |
} | |
for (var x = 0; x < ref.length; x++) { | |
while (num >= xis[x]) { result = result + ref[x]; num = num - xis[x]; } | |
} | |
return result; | |
} | |
function fixRoman(num) { | |
num = num.replace('.', ''); | |
return toRoman(num); | |
} | |
var numberRE = new RegExp('\\b[\\d.]+\\b', 'g'); | |
// Based on code from http://userscripts.org/scripts/review/83753 | |
function replaceByClass(className, obj) { | |
if (obj.getElementsByClassName) { | |
var nodes = obj.getElementsByClassName(className); | |
for (i in nodes) { | |
if (typeof(nodes[i].innerHTML) == "string") { | |
nodes[i].innerHTML = nodes[i].innerHTML.replace(numberRE, fixRoman); | |
} | |
} | |
} | |
} | |
function fixup(obj) { | |
if (typeof(obj) == "object") { | |
replaceByClass('fsm', obj); | |
replaceByClass('item', obj); | |
replaceByClass('timestamp', obj); | |
replaceByClass('commentContent', obj); | |
replaceByClass('mobile_status', obj); | |
replaceByClass('uiStreamMessage', obj); | |
replaceByClass('GBThreadMessageRow_Body_Content', obj); | |
replaceByClass('UIStory_Message', obj); | |
} | |
} | |
function listener(event) { | |
fixup(event.target); | |
} | |
fixup(document); | |
document.addEventListener("DOMNodeInserted", listener, true); | |
//document.addEventListener("DOMCharacterDataModified", listener, true); |
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