Raw Source Toggle Dropdown

• Minified Source

admaxistrator / Sistemkoin++

// ==UserScript==
// @name         Sistemkoin++
// @namespace    https://openuserjs.org/users/admaxistrator
// @version      0.14
// @description  Adds USD columns to buy/sell order lists and hides chat widget.
// @license      MIT
// @author       Sebastian Ohme
// @match        https://sistemkoin.com/*
// @grant        none
// @run-at       document-end

// ==/UserScript==
//debugger;

var _monkey = {};

_monkey.addGlobalStyle = function(css)
{
    var head, style;
    head = document.getElementsByTagName('head')[0];
    if (!head) { return; }
    style = document.createElement('style');
    style.type = 'text/css';
    style.innerHTML = css;
    head.appendChild(style);
};

_monkey.update = function()
{
    _monkey.loadJson('https://sistemkoin.com/api/market/ticker', _monkey.onJson);
};

_monkey.removeChatWidget = function()
{
    var chat = document.getElementsByClassName("zopim");
    if (chat !== null && chat.length > 0)
    {
        for (var i = 0; i < chat.length; i++)
        {
            chat[i].parentElement.removeChild(chat[i]);
        }
    }
}

_monkey.onInterval = function()
{
    _monkey.removeChatWidget();

    var x = document.querySelector("#main-wrapper > div > div.container-fluid > ng-component > div.row.page-titles > div:nth-child(1) > h4 > b");
    var y = document.querySelector("#main-wrapper > div > div.container-fluid > ng-component > div.row.page-titles > div:nth-child(1) > h4 > small");

    if (x !== null && y !== null)
    {
        var pairSource = x.innerText;
        var pairTarget = y.innerText.split(' ').last();

        if (_monkey.pairSource == pairSource &&
            _monkey.pairTarget == pairTarget)
        {
            return;
        }

        _monkey.pairSource = pairSource;
        _monkey.pairTarget = pairTarget;

        if (_monkey.pairTarget == 'USD')
        {
            _monkey.removeAugmentation();
        }
        else
        {
            _monkey.update();
        }
    }
};

_monkey.loadJson = function(url, callback)
{
    var xobj = new XMLHttpRequest();
    xobj.overrideMimeType("application/json");
    xobj.open('GET', url, true);
    xobj.onreadystatechange = function () {
          if (xobj.readyState == 4 && xobj.status == "200") {
            // Required use of an anonymous callback as .open will NOT return a value but simply returns undefined in asynchronous mode
            callback(xobj.responseText);
          }
    };
    xobj.send(null);
};

_monkey.onJson = function(responseText)
{
    _monkey.json = JSON.parse(responseText);
    _monkey.addAugmentation();
};

_monkey.addAugmentation = function()
{
    _monkey.addListAugmentation('table-responsive sell-order-list');
    _monkey.addListAugmentation('table-responsive buy-order-list');
};

_monkey.removeAugmentation = function()
{
    _monkey.removeListAugmentation('table-responsive sell-order-list');
    _monkey.removeListAugmentation('table-responsive buy-order-list');
};

_monkey.addListAugmentation = function(tableClassName)
{
    var table = document.getElementsByClassName(tableClassName)[0];
    var thead = table.getElementsByTagName('thead')[0];
    if (thead !== undefined)
    {
        var tr = thead.getElementsByTagName('tr')[0];

        if (tr.childElementCount == 3)
        {
            var thRate = document.createElement('th');
            thRate.innerText = 'Rate';
            thRate.classList.add('monkey');
            tr.insertBefore(thRate, tr.firstElementChild);

            var thTotal = document.createElement('th');
            thTotal.innerText = 'Total';
            thTotal.classList.add('monkey');
            thTotal.classList.add('text-right');
            tr.insertBefore(thTotal, tr.lastElementChild);
        }
    }

    var tbody = table.getElementsByTagName('tbody')[0];
    var bodyRows = tbody.getElementsByTagName('tr');

    var conversionFactor = _monkey.getConversionFactor(_monkey.pairTarget, 'USD');

    for (var j = 0; j < bodyRows.length; j++)
    {
        var row = bodyRows[j];

        var targetRateCell = row.firstElementChild;
        var customRateCell = targetRateCell.cloneNode();
        customRateCell.innerText = '$' + (conversionFactor * parseFloat(targetRateCell.innerText)).toFixed(4);
        row.insertBefore(customRateCell, targetRateCell);

        var targetTotalCell = row.lastElementChild;
        var customTotalCell = targetTotalCell.cloneNode();
        customTotalCell.innerText = '$' + (conversionFactor * parseFloat(targetTotalCell.innerText)).toFixed(2);
        row.insertBefore(customTotalCell, targetTotalCell);
    }
};

_monkey.removeListAugmentation = function(tableClassName)
{
    var table = document.getElementsByClassName(tableClassName)[0];
    var thead = table.getElementsByTagName('thead')[0];
    if (thead !== undefined)
    {
        var tr = thead.getElementsByTagName('tr')[0];

        for (var i = 0; i < tr.childElementCount; i++)
        {
            var child = tr.children[i];
            if (child.classList !== undefined && child.classList.contains('monkey'))
            {
                tr.removeChild(child);
                i--;
            }
        }
    }
};

_monkey.getConversionFactor = function(source, target)
{
    var sourceData = _monkey.json.data[source];
    if (sourceData === undefined)
    {
        return 1.0;
    }

    for (var i = 0; i < sourceData.length; i++)
    {
        if (sourceData[i].currency == target)
        {
            return sourceData[i].current;
        }
    }
};

(function() {
    'use strict';

    if (!Array.prototype.last)
    {
        Array.prototype.last = function()
        {
            return this[this.length - 1];
        };
    }

    _monkey.addGlobalStyle('td { padding: 0 10px 0 0 !important; } .container-fluid { max-width: 1920px !important; }');
    _monkey.interval = setInterval(_monkey.onInterval, 500);
})();