Greasemonkey script to add a systray at the bottom of Tuleap in order to have a shortcut to the agile dashboard of the current project.

systray.user.js

// ==UserScript==
// @name        systray
// @namespace   tuleap
// @include     http://tuleap.net/*
// @include     https://tuleap.net/*
// @version     2
// @grant       none
// @require     http://tuleap.net/scripts/prototype/prototype.js
// ==/UserScript==
function addCss(cssString) {
  var head = document.getElementsByTagName('head')[0];
  var newCss = document.createElement('style');
  newCss.type = "text/css";
  newCss.innerHTML = cssString;
  head.appendChild(newCss);
}
addCss (' \
.systray { \
    position: fixed; \
    bottom: 0; \
    width: 100%; \
} \
.systray_content { \
    margin: 0 1em; \
    border-top-left-radius: 4px; \
    border-top-right-radius: 4px; \
    background: #1B1B1B linear-gradient(to bottom, #222222, #111111) repeat-x; \
    border: 1px solid #252525; \
    color: #999999; \
    borderBottom: none; \
    padding: 0.5em 1em; \
    text-align: right; \
    box-shadow: 0 0 5px #888; \
} \
.systray_content a:link, \
.systray_content a:visited { \
  color: #999999; \
} \
.systray_content a:hover { \
  color: white; \
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25); \
  text-decoration: none; \
}'); 

var cache_duration = 2 * 3600; // Two hour

// http://blog.anhangzhu.com/2011/07/20/html-5-local-storage-with-expiration/
var AZHU = { }
AZHU.storage = {
  save: function(key, jsonData, expirationSec){
    var expirationMS = expirationSec * 1000;
    var record = {value: JSON.stringify(jsonData), timestamp: new Date().getTime() + expirationMS}
    localStorage.setItem(key, JSON.stringify(record));
    return jsonData;
  },
  load: function(key){
    var record = JSON.parse(localStorage.getItem(key));
    if (!record){return false;}
    return (new Date().getTime() < record.timestamp && JSON.parse(record.value));
  }
}

function display_systray(info) {
  var systray = new Element('div').addClassName('systray').update(
    new Element('div').addClassName('systray_content').update(
      new Element('a', {
	href: info.href
      }).update(info.label)
    )
  )
  document.body.appendChild(systray)
}

var agile_dashboard_link = $('navigation').down('a[href^="/plugins/agiledashboard/?group_id="]')
  , href
  , systray
if (agile_dashboard_link) {
  href = agile_dashboard_link.href
  systray = AZHU.storage.load('systray_' + href)
  if (systray) {
    display_systray(systray)
  } else {
    new Ajax.Request(href, {
      onSuccess: function (transport) {
        var div = new Element('div').update(transport.responseText)
          , current_sprint = div.down('.ad_index_planning:last > ul > li:first')
        if (current_sprint) {
          var label = current_sprint.textContent.trim()
            , a     = current_sprint.down('.ad_index_planning_icons > a:last')
	    , info  = {label: label, href: a.href}
	  AZHU.storage.save('systray_' + href, info, cache_duration)
	  display_systray(info)
	}
      }
    })
  }
}