Multi-column WIP Limits with JIRA Agile in JIRA

// ==UserScript==
// @name Jira Rapid Board combined limits
// @namespace Jira
// @include https://jira.****.com/secure/RapidBoard.jspa*
// @version 1
// @grant none
// ==/UserScript==

(function jiraRapidBoardCombinedLimits($) {

function refreshLimits() {
var groups = {};
var classesForColumns = {};
var $header = $('ul#ghx-column-headers');
console.log("find headers");
console.log($header);
$header.find('li.ghx-column').each(function () {
min = 0;
var $column = $(this);
var groupKey = $column.children('h2').text().split(/ /)[0];
var min = parseInt($('.ghx-limits .ghx-busted-min', $column).text().replace("Min ", ""));
var max = parseInt($('.ghx-limits .ghx-busted-max', $column).text().replace("Max ", ""));
var current = parseInt($('.ghx-qty', $column).text());

if (!groups[groupKey]) {
groups[groupKey] = {
$columns: $(),
current: 0
};
}

var group = groups[groupKey];
group.$columns = group.$columns.add($column);
if (min) group.min = group.min ? group.min + min : min;
if (max) group.max = group.max ? group.max + max : max;
group.current = group.current + current;
//alert("hola");
});

for (var groupKey in groups) {
var group = groups[groupKey];

console.log("Limit group " + groupKey, group);

var $limit = $('

<div class="ghx-x-limit-combined"></div>

');
if (group.current && group.max) {
$limit.text('Combined: ' + group.current + ' of ' + group.max);

var addClass = null;
if (group.current == group.max) addClass = 'ghx-x-limit-warning';
if (group.current > group.max) addClass = 'ghx-x-limit-fail';

group.$columns.each(function () {
console.log(this);
classesForColumns[$(this).data().id] = addClass;
});
}

group.$columns.children('.ghx-x-limit-combined').remove();
group.$columns.append($limit);
}

console.log("Classes for columns: ", classesForColumns);
$('#ghx-pool .ghx-swimlane .ghx-column').each(function () {
var $cell = $(this);
group.$columns.removeClass("ghx-x-limit-warning ghx-x-limit-fail");
$cell.addClass(classesForColumns[$cell.data().columnId]);
});
}

$(function () {
var css = ".ghx-column.ghx-x-limit-warning { background-color: yellow; } " +
".ghx-column.ghx-x-limit-fail { background-color: #ff6666; } " +
".ghx-x-limit-combined { position: absolute; bottom: 0; font-size: 11px; color: #707070 }";
$('head').append($('

<style></style>

').html(css))

refreshLimits();

var handlerActive = false;
$("#ghx-pool").live("DOMNodeInserted", function (event) {
var $this = $(event.target);
console.log("jiraRapidBoardCombinedLimits: Caught " + event.type, $this);
if ($this.closest('#ghx-column-header-group').length > 0 && !handlerActive) {
handlerActive = true;
refreshLimits();
handlerActive = false;
}
});

});

}(jQuery));