set_working_on.user.js

// ==UserScript==
// @name           Set Working On
// @namespace      tghw
// @description    Adds a Working On button to FogBugz's list page
// @include        *fogbugz.com/*
// ==/UserScript==

// Change this to true for FogBugz6
var IS_FOGBUGZ_6 = false;

// Icons
var HG = "http://media.hicks-wright.net/img/hourglass.png";
var FHG = "http://media.hicks-wright.net/img/fullhourglass.png";

// This is where we'll store the old function
var oldChangeIxWorkingOn = null;

// This is the new changeIxWorkingOn, which sets icons properly
function newChangeIxWorkingOn(ix)
{
    $('img[src='+FHG+']').attr('src', HG);
    oldChangeIxWorkingOn(ix);
    $('tr[ix='+ix+']').find('.swo img').attr('src', FHG);
}

function main()
{
    oldChangeIxWorkingOn = unsafeWindow.changeIxWorkingOn;
    unsafeWindow.changeIxWorkingOn = newChangeIxWorkingOn;

    $('table#bugGrid th.col_0').each(function(){
        $(this).clone().insertAfter(this);
    });

    $('table#bugGrid td.col_0').each(function(){
        var ix = $(this).parent().attr('ix');
        var wo = $('<TD>');
        wo.addClass('swo');
        wo.html('<div><span><img width="16" height="16" class="catIcon" title="Set Working On to ' + ix + '" src="' + HG + '"/></span></div>');
        wo.find('div').click(function(){unsafeWindow.changeIxWorkingOn(ix);return false;});
        wo.css('cursor', 'pointer');
        wo.insertAfter(this);
    });

    // If we're working on something, set the icon appropriately
    var m = $('#Menu_Working_On').text().match(/\d+/);;
    if(m)
    {
        var ixOld = m[0];
        $('tr[ix='+ixOld+']').find('.swo img').attr('src', FHG);
    }
}

// Add jQuery
if(IS_FOGBUGZ_6)
{
    var GM_JQ = document.createElement('script');
    GM_JQ.src = 'http://jquery.com/src/jquery-latest.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; main(); }
}
GM_wait();