☰

Konwerter $ do PLN w AliExpress

Konwertuje wartosci

  1. // ==UserScript==
  2. // @name            Konwerter $ do PLN w AliExpress
  3. // @description     Konwertuje wartosci
  4. // @author          Barricade
  5. // @namespace       https://greasyfork.org/pl/scripts/6940-konwerter-do-pln-w-aliexpress
  6. // @grant           GM_xmlhttpRequest
  7. // @include         http://www.aliexpress.com/*
  8. // @version 0.0.1.20141211230146
  9. // ==/UserScript==
  10.  
  11. GM_xmlhttpRequest ( {
  12.     method:     "GET",
  13.     url:        'http://rate-exchange.appspot.com/currency?from=USD&to=PLN',
  14.     //Google sends malformed response, not JSON.
  15.     //url:      'http://www.google.com/ig/calculator?hl=en&q=1usd=?inr',
  16.  
  17.     onload:     function (rsp){
  18.         var rspJSON     = JSON.parse (rsp.responseText);
  19.         var convRate    = rspJSON.rate;
  20.         console.log (rspJSON, convRate);
  21.  
  22.         changeDollarsToPln (document.body, convRate);
  23.     }
  24. } );
  25.  
  26. function changeDollarsToPln (node, convRate) {
  27.     if (node.nodeType === Node.TEXT_NODE) {
  28.         if (/\$/.test (node.nodeValue) ) {
  29.             processTextNode (node, convRate);
  30.         }
  31.     }
  32.     else if (node.nodeType === Node.ELEMENT_NODE) {
  33.         for (var K = 0, numNodes = node.childNodes.length;  K < numNodes;  ++K) {
  34.             changeDollarsToPln (node.childNodes[K], convRate);
  35.         }
  36.     }
  37. }
  38.  
  39. function processTextNode (node, convRate) {
  40.     /*-- Results like:
  41.         ["Three values: ", "$1.10", " ", "$2.20", " ", "$3.00.", ""]
  42.     */
  43.     var moneySplit  = node.nodeValue.split (/US ((?:\+|\-)?\$[0-9.,]+)/);
  44.     if (moneySplit  &&  moneySplit.length > 2) {
  45.         /*-- Money values will be odd array index, loop through
  46.             and convert all.
  47.         */
  48.         for (var J = 1, L = moneySplit.length;  J < L;  J += 2) {
  49.             var dolVal = parseFloat (moneySplit[J].replace (/\$|,|([.,]$)/g, "") );
  50.  
  51.             if (typeof dolVal === "number") {
  52.                 //var plnVal = Math.round (dolVal * convRate) + "zł";
  53.                 var plnVal = (dolVal * convRate).toFixed (2) + "zł";
  54.             }
  55.             else {
  56.                 var plnVal = moneySplit[J] + " *Err*";
  57.             }
  58.             moneySplit[J] = plnVal;
  59.         }
  60.         //-- Rebuild and replace the text node with the changed value (s).
  61.         var newTxt      = moneySplit.join ("");
  62.         node.nodeValue  = newTxt;
  63.     }
  64. }