Coinmine Enhancements v0.5

// ==UserScript==
// @name       CoinMine.pw Enhancements
// @namespace  http://www.dasbiersec.com
// @version    0.5
// @description  Add some enhancements to CoinMine.pw
// @include      http://*coinmine.pw/account.php
// @copyright  2012+, You
// ==/UserScript==

// a function that loads jQuery and calls a callback function when jQuery has finished loading
function addJQuery(callback) {
    var script = document.createElement("script");
    script.setAttribute("src", "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js");
    script.addEventListener('load', function() {
        var script = document.createElement("script");
        script.textContent = "window.jQ=jQuery.noConflict(true);(" + callback.toString() + ")();";
        document.body.appendChild(script);
    }, false);
    document.body.appendChild(script);
}


// the guts of this userscript
function main()
{   
    // Cookie helper functions, stolen from W3C page
    function getCookie(cname)
    {
        var name = cname + "=";
        var ca = document.cookie.split(';');
        for(var i=0; i<ca.length; i++) 
        {
            var c = ca[i].trim();
            if (c.indexOf(name)==0) return c.substring(name.length,c.length);
        }
        return "";
    }
    
    function setCookie(cname,cvalue,minutes)
    {
        var d = new Date();
        d.setTime(d.getTime()+(minutes*60*1000));
        var expires = "expires="+d.toGMTString();
        document.cookie = cname + "=" + cvalue + "; " + expires;
    }
    
    // Main UI building method
    function buildUI(cryptsyPrice)
    {
        // Resize account list page to be wider
        jQ('body div:nth-child(3) div').first().css('width', '1200px');
        
        // Move LTC/USD estimates out from tooltip
        jQ('input[value=payaccounts]').parent().find('table').each(function (index, element) {
            
            
            jQ(this).attr('width', '99%');
            var details = jQ(this).find('td:nth-child(2)').find("b > a").attr('title').split("\n");
            
            var confirmedBalance = parseFloat(jQ(this).find('td:nth-child(2)').find("b > a").text());
            var coinName = jQ(this).find('td:first-child').find('b').text();
            
            // big of regex to get min payout amounts
            var minPayoutAmount = parseFloat(jQ(this).find('small').text().match(/([\d.]+)/)[0]);
            
            // Highlight any balances over the min amount
            if (confirmedBalance >= minPayoutAmount)
            {
                console.log('Coin: ' + coinName + ' Confirmed: ' + confirmedBalance + ' Min Payout: ' + minPayoutAmount);    
                
                jQ(this).parent("div").css('background-color', '#ADEBAD');
            }            
            
            // Move tooltip price details out to a column and add in LTC/BTC prices
            var html = '<td style="width: 440px" valign="top">';
            
            for (var i = 0; i < details.length; i++)
            {
                html = html + details[i] + "<br />";
                
                // BTC price
                if (i == details.length - 1)
                {
                    var data = details[i].split(" ");
                    var price = 0;
                    
                    if (parseFloat(data[1]) > 0)
                    {
                        price = (parseFloat(data[1]) * cryptsyPrice).toFixed(8);
                    }
                    
                    
                    html = html + "BTC: " + price + "<br />";
                }
            }
            
            jQ(this).find('tr').append(html);
            
        });
        
        
        // Find auto payouts > 0 and add a Enable Payout/Disable Payout button that auto sets min amount
        jQ('.coinpayout').each(function (index, element) {
            var poField = jQ(this).attr("name");
            
            if (jQ(this).val() > 0)
            {
                jQ(this).parent().append('<br /><button class="disablepayout" style="background-color: green; color: white;" pofield="' + poField + '">Disable Payout</button>');
            }
            else
            {
                // add quick toggle button
                jQ(this).parent().append('<br /><button class="enablepayout" pofield="' + poField + '">Enable Payout</button>');
            }
        });
        
        jQ('.disablepayout').on('click', function (event) {
            var poField = jQ(this).attr("pofield");
            jQ("input[name='" + poField + "']").val("0");
            
            jQ(this).css('background-color', '').css('color', '').text('Disabled!!').attr('disabled', 'disabled');
            
            event.preventDefault();
        });
        
        jQ('.enablepayout').on('click', function (event) {
            var poField = jQ(this).attr("pofield");
            jQ("input[name='" + poField + "']").val("0.1");
            
            jQ(this).css('background-color', 'green').css('color', 'white').text('Enabled!!').attr('disabled', 'disabled');
            
            event.preventDefault();
        });
    }
    

    // Get BTC price details, cache BTC price in cookie for 5 minutes so that we don't have to reach out to cryptsy every time.
    if (getCookie("cryptsyPrice") != "")
    {
        console.log("Setting BTC price from cookie");
        var cryptsyPrice = getCookie("cryptsyPrice");
        buildUI(cryptsyPrice);
    }
    else
    {  
        console.log("Fetching BTC price from Cryptsy");
        
        jQ.get('http://jsonp.jit.su/?url=http%3A%2F%2Fpubapi.cryptsy.com%2Fapi.php%3Fmethod%3Dsinglemarketdata%26marketid%3D3', function (data) {
            
            console.log(data.return.markets.LTC.lasttradeprice);
            var cryptsyPrice = data.return.markets.LTC.lasttradeprice;
            setCookie("cryptsyPrice", cryptsyPrice, 5);
            
            buildUI(cryptsyPrice);
            
        })
        .fail(function () {
            alert("Problem loading cryptsy data... (shocker)");
            return false;
        });
    }
    
    
}


// load jQuery and execute the main function
addJQuery(main);