assembla-changeset.js

// ==UserScript==
// @name           Assembla Changeset Navigator
// @namespace      echolibre
// @description    In assembla, navigate to previous and next changeset
// @include        https://code.assembla.com/*
// @date           2009-03-02
// @version        1.0
// ==/UserScript==

var GM_JQ = document.createElement('script');
GM_JQ.src = 'http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js';
GM_JQ.type = 'text/javascript';
document.getElementsByTagName('head')[0].appendChild(GM_JQ);

// Check if jQuery's loaded
function GM_wait() {

    if (typeof unsafeWindow.jQuery == 'undefined') { 
        window.setTimeout(GM_wait,100); 
    } else { 
        $ = unsafeWindow.jQuery; getCurrentCs(); 
    }
}

GM_wait();

function getCurrentCs() 
{
    var elm = $('.changeset h1').html();

    if (elm != null) {
        var cs  = (elm.replace(/<\/?[^>]+(>|$)/g, ""));
        var csNumber = cs.replace(/Changeset /g, '');

        var currentCs = parseInt(csNumber);

        addTableRow(currentCs);
    }
}

function addTableRow(currentCs)
{
    var previousCs = currentCs - 1;
    var nextCs     = currentCs + 1;

    var tr = $('<tr>');

    var th = $('<th>');
    th.html('Navigate');

    var td = $('<td>');
    td.attr('colspan', '6');

    var a1 = $('<a>');
    a1.attr('href', previousCs);
    a1.html('&laquo; Previous CS');

    var space = $('<span>');
    space.css({width: '30px;'});
    space.html('&nbsp;&nbsp;');

    var a2 = $('<a>');
    a2.attr('href', nextCs);
    a2.html('Next CS&raquo;');

    td.append(a1).append(space).append(a2);

    tr.append(th).append(td);

    var table = tr.appendTo('.changeset .internal-navigation table');
}