// Currency Convertion
// v0.5
// 2006-04-03
// Copyright (c) 2006-2008, Pierre Andrews.
// Released under the GPL license
// http://www.gnu.org/copyleft/gpl.html
//
// ==UserScript==
// @name Currency Convertion
// @namespace http://6v8.gamboni.org/Greasemonkey-Yahoo-Finance.html
// @description Convert currencies on the page with yahoo finance
// @source http://6v8.gamboni.org/Greasemonkey-Yahoo-Finance.html
// @identifier http://6v8.gamboni.org/IMG/js/CurrencyConverter.user.js
// @version 0.5
// @date 2008-04-03
// @creator Pierre Andrews (mortimer.pa@free.fr)
// @include *
// ==/UserScript==
(function () {
var SCRIPT = {
name: "Currency Convertion",
namespace: "http://6v8.gamboni.org/Greasemonkey-Yahoo-Finance.html",
description: "Convert currencies on the page with yahoo finance",
source: "http://6v8.gamboni.org/Greasemonkey-Yahoo-Finance.html", // script homepage/description URL
identifier: "http://6v8.gamboni.org/IMG/js/CurrencyConverter.user.js",
version: "0.5", // version
date: (new Date(2008, 4, 3)) // update date
.valueOf()
};
var numberRegexp = '\\d[\\d.,\']*[kK]?\\s*';
var currencies = ['USD','CAD','EUR','AFA','ALL','DZD','ARS','AWG','AUD','BSD','BHD','BDT','BBD','BYR','BZD','BMD','BTN','BOB','BWP','BRL','GBP','BND','BGN','BIF','KHR','CVE','KYD','XOF','XAF','CLP','CNY','COP','KMF','CRC','HRK','CUP','CYP','CZK','DKK','DJF','DOP','XCD','ECS','EGP','SVC','ERN','EEK','ETB','FKP','FJD','GMD','GHC','GIP','XAU','GTQ','GNF','GYD','HTG','HNL','HKD','HUF','ISK','INR','IDR','IRR','IQD','ILS','JMD','JPY','JOD','KZT','KES','KRW','KWD','LAK','LVL','LBP','LSL','LRD','LYD','LTL','MOP','MKD','MGF','MWK','MYR','MVR','MTL','MRO','MUR','MXN','MDL','MNT','MAD','MZM','MMK','NAD','NPR','ANG','NZD','NIO','NGN','KPW','NOK','OMR','XPF','PKR','XPD','PAB','PGK','PYG','PEN','PHP','XPT','PLN','QAR','ROL','RUB','RWF','WST','STD','SAR','SCR','SLL','XAG','SGD','SKK','SIT','SBD','SOS','ZAR','LKR','SHP','SDD','SRG','SZL','SEK','CHF','SYP','TWD','TZS','THB','TOP','TTD','TND','TRL','AED','UGX','UAH','UYU','VUV','VEB','VND','YER','YUM','ZMK','ZWD'];
var symbols = {
"\u0024":"USD", //us dollar
"\uFF04":"USD", //us dollar
//"\u0024":"RUB",
//"\u0024":"AUD",
//"\u0024":"CAD",
//"\u0024":"HKD",
//"\u0024":"SGD",
//"\u0024":"NZD",
"\u00A3":"GBP", //British pound
"\uFFE1":"GBP",
// "\u00A3":"CYP",
"\u20AC":"EUR", //EURO
"\u20A0":"EUR", //EURO
'.-':'CHF', //Swiss franc
"\u00A5":"JPY", //Japan yen
"\uFFE5":"JPY", //Japan yen
"\u5186":"JPY",
"\u5706":"JPY",
"\u570E":"JPY",
"\u571C":"JPY",
"\u006b\u0072":"DKK",
//"\u006b\u0072":"SEK",
"\u20A4":"MTL",
"\u5143":"CNY",
"\u20A9":"KRW",
"\u20B1":"PHP",
"\u0E3F":"THB",
"\u20A1":"CRC", //Costa Rica Colon
// "\u20A1":"SVC", //El Savador Colon
"\u20A4":"TRL", //Turkish lira
// "\u20A4":"MTL", // Maltese Lira
"\u20A6":"NGN", //Nigerian Naira
"\u20A8":"INR", //Indian Rupee
"\u09F2":"INR",
"\u09F3":"INR",
"\u0AF1":"INR",
"\u0BF9":"INR",
//"\u20A8":"MUR", //Mauritius Rupee
//"\u20A8":"NPR", //Nepalese Rupee
//"\u20A8":"PKR", //Pakistani Rupee
//"\u20A8":"SCR", //Seychelles Rupee
//"\u20A8":"LKR", //Sri Lanka Rupee
"\u20A9":"KPW", //North Korean Won
"\uFFE6":"KPW",
//"\u20AB":"VND", //Vietnam Dong
//"\u20AE":"MNT", //Mongolian Tugrik
//"\u20B1":"CLP", //Chilean Peso
//"\u20B1":"COP", //Colombian Peso
//"\u20B1":"CUP", //Cuban Peso
//"\u20B1":"DOP", //Dominican Peso
//"\u20B1":"MXN", //Mexican Peso
//"\u20B1":"PHP", //Philippine Peso
//"\u20B1":"UYU", //Uruguayan New Peso
"\u20B1":"ARS", //Argentine Peso
"\u0E3F":"THB", //Thai Baht
"\u17DB":"KHR", //Cambodia Riel
"\u3350":"CNY", //Chinese Yuan
"\u5143":"CNY", //Chinese Yuan
"\u5713":"CNY",
"\uFDFC":"IRR", //Iran Rial
//"\uFDFC":"OMR", //Omani Rial
//"\uFDFC":"QAR", //Qatar Rial
} //utf codes from http://www.alanwood.net/unicode/currency_symbols.html
var win = (unsafeWindow || window.wrappedJSObject || window);
win.CurrencyConverter = function() {;}
win.CurrencyConverter.prototype = {
init: function(toCurrency) {
if(GM_xmlhttpRequest) {
this.initCurrency(toCurrency);
this.waitForAjax(toCurrency,numberRegexp,symbols,0);
}
},
waitForAjax: function(toCurrency,numberRegexp,symbols,tries) {
var self = this;
if(this.exRateCnt > 0 && tries < 15) {
setTimeout(function() {self.waitForAjax(toCurrency,numberRegexp,symbols,tries+1)},1000);
} else {
this.findAndReplace(toCurrency,numberRegexp,symbols);
}
},
regexString: null,
exRate: new Array(),
exRateCnt: 0,
quotemeta: function(toquote) {
unsafe=/(\\|\.|\+|\*|\?|\[|\^|\]|\$|\(|\)|\{|\}|\=|\!|\<|\>|\ý|\||\:)/g;
var quoted=toquote.replace(unsafe,"\\$1");
return quoted;
},
initCurrency: function(toCurrency) {
var bodyHTML = document.body.textContent;
if (bodyHTML) {
this.regexString = '';
for (var i = 0; currencies[i]; i++) {
var re = new RegExp(this.quotemeta(currencies[i]),'i');
if ((currencies[i] != toCurrency) && re.test(bodyHTML)) {
this.regexString += "|(?:" + this.quotemeta(currencies[i]) + ")";
this.exRateCnt++;
this.getExRate(currencies[i],toCurrency);
}
}
for (var symbol in symbols) {
var re = new RegExp(this.quotemeta(symbol),'i');
if (symbols[symbol] != toCurrency && re.test(bodyHTML)) {
this.regexString += "|(?:" + this.quotemeta(symbol) + ")";
this.exRateCnt++;
this.getExRate(symbols[symbol],toCurrency);
}
}
this.regexString = this.regexString.substring(1);
}
},
findAndReplace: function(toCurrency,numberRegexp,symbols) {
var bodyHTML = document.body.textContent;
if (bodyHTML && this.regexString != null) {
var fullregexp = new RegExp("(?:\\s*|[\\.;,?!])(?:(" + this.regexString + ")\\s*("+numberRegexp+")|("+numberRegexp+")\\s*(" + this.regexString + "))(?:\\s*|[\\.;,?!])");
var allTextNodes = document.evaluate("//text()[not(ancestor::script) and not(parent::button) and not(parent::textarea) and not(parent::style) and not(ancestor::a[@href])]",
document.body,
null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
null);
for (var i = 0; i < allTextNodes.snapshotLength; i++) {
var thisTextNode = allTextNodes.snapshotItem(i);
var nodeText = thisTextNode.nodeValue;
var matches = fullregexp.exec(nodeText);
while (matches) {
var searchIndex = matches.index;
thisTextNode.splitText(searchIndex + matches[0].length);
thisTextNode = thisTextNode.nextSibling;
var from = matches[4];
var amt = matches[3];
if(!from || !amt) {
from = matches[1];
amt = matches[2];
}
var rate = this.exRate[from];
if(!rate) {
from = symbols[from];
rate = this.exRate[from];
}
var lastComa=amt.lastIndexOf(',');
if(lastComa != -1 && amt.indexOf(',') == lastComa && amt.substring(lastComa+1).length <= 2) {
amt=amt.replace(/\./g,'',amt) ;
amt=amt.replace(/,/g,'.',amt) ;
}
amt = amt.replace(/[,']/,'',amt);
amt = amt.replace(/k/i,'000',amt);
if(rate && (parseFloat(amt) > 0)) {
converted = parseInt(rate*parseFloat(amt)*100)/100; //approximation to have 2 digits after the .
var insert = document.createElement('a');
insert.href = 'http://finance.yahoo.com/currency/convert?amt='+amt+
'&from='+from+
'&to='+toCurrency+
'&submit=Convert';
insert.className="GM_CurrencyConvertion";
insert.appendChild(document.createTextNode('('+converted + " " +toCurrency+') '));
thisTextNode.parentNode.insertBefore(insert, thisTextNode);
}
nodeText = thisTextNode.nodeValue;
matches = fullregexp.exec(nodeText);
}
}
}
},
getExRate: function(from,to) {
var convertionURL = "http://finance.yahoo.com/d/quotes.csv?s="+encodeURIComponent(from+to+"=X")+"&f=l1";
var self = this;
GM_xmlhttpRequest({
method: 'GET',
url: convertionURL,
onload: function(responseDetails) {
if(responseDetails) self.storeResponse(responseDetails.responseText,from);
}
});
},
storeResponse: function(response,from) {
if(response.length > 0) {
var rate = parseFloat(response);
if(rate > 0) {
this.exRate[from] = rate;
}
this.exRateCnt--;
}
},
getConversionTo: function() {
//configuration from: http://dunck.us/code/greasemonkey/mypipstag.user.js
var conversionTo;
if (!(conversionTo = GM_getValue('conversionTo'))) {
conversionTo = prompt("What currency do you want to convert to?");
GM_setValue('conversionTo', conversionTo);
}
return conversionTo;
},
setConversionTo: function() {
conversionTo = prompt("What currency do you want to convert to?");
GM_setValue('conversionTo', conversionTo);
},
}
// update automatically (http://userscripts.org/scripts/show/2296)
try {
window.addEventListener("load", function () {
try {
win.UserScriptUpdates.requestAutomaticUpdates(SCRIPT);
} catch (ex) {}
var converter = new win.CurrencyConverter();
if(GM_registerMenuCommand && GM_getValue && GM_setValue) {
GM_registerMenuCommand("Change currency conversion", converter.setConversionTo);
converter.init(converter.getConversionTo());
} else {
//if you have an old version of greasemonkey, you will have to set the preference here:
converter.init('EUR');
}
}, false);
} catch (ex) {}
})();
