Radarr/NzbDrone.Backbone/JsLibraries/jquery.tablesorter.js

/*!
 * TableSorter 2.7.12 - Client-side table sorting with ease!
 * @requires jQuery v1.2.6+
 *
 * Copyright (c) 2007 Christian Bach
 * Examples and docs at: http://tablesorter.com
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 * @type jQuery
 * @name tablesorter
 * @cat Plugins/Tablesorter
 * @author Christian Bach/christian.bach@polyester.se
 * @contributor Rob Garrison/https://github.com/Mottie/tablesorter
 */
/*jshint browser:true, jquery:true, unused:false, expr: true */
/*global console:false, alert:false */
!(function($) {
    "use strict";
    $.extend({
        /*jshint supernew:true */
        tablesorter: new function() {

            var ts = this;

            ts.version = "2.7.12";

            ts.parsers = [];
            ts.widgets = [];
            ts.defaults = {

                // *** appearance
                theme            : 'default',  // adds tablesorter-{theme} to the table for styling
                widthFixed       : false,      // adds colgroup to fix widths of columns
                showProcessing   : false,      // show an indeterminate timer icon in the header when the table is sorted or filtered.

                headerTemplate   : '{content}',// header layout template (HTML ok); {content} = innerHTML, {icon} = <i/> (class from cssIcon)
                onRenderTemplate : null,       // function(index, template){ return template; }, (template is a string)
                onRenderHeader   : null,       // function(index){}, (nothing to return)

                // *** functionality
                cancelSelection  : true,       // prevent text selection in the header
                dateFormat       : 'mmddyyyy', // other options: "ddmmyyy" or "yyyymmdd"
                sortMultiSortKey : 'shiftKey', // key used to select additional columns
                sortResetKey     : 'ctrlKey',  // key used to remove sorting on a column
                usNumberFormat   : true,       // false for German "1.234.567,89" or French "1 234 567,89"
                delayInit        : false,      // if false, the parsed table contents will not update until the first sort
                serverSideSorting: false,      // if true, server-side sorting should be performed because client-side sorting will be disabled, but the ui and events will still be used.

                // *** sort options
                headers          : {},         // set sorter, string, empty, locked order, sortInitialOrder, filter, etc.
                ignoreCase       : true,       // ignore case while sorting
                sortForce        : null,       // column(s) first sorted; always applied
                sortList         : [],         // Initial sort order; applied initially; updated when manually sorted
                sortAppend       : null,       // column(s) sorted last; always applied

                sortInitialOrder : 'asc',      // sort direction on first click
                sortLocaleCompare: false,      // replace equivalent character (accented characters)
                sortReset        : false,      // third click on the header will reset column to default - unsorted
                sortRestart      : false,      // restart sort to "sortInitialOrder" when clicking on previously unsorted columns

                emptyTo          : 'bottom',   // sort empty cell to bottom, top, none, zero
                stringTo         : 'max',      // sort strings in numerical column as max, min, top, bottom, zero
                textExtraction   : 'simple',   // text extraction method/function - function(node, table, cellIndex){}
                textSorter       : null,       // use custom text sorter - function(a,b){ return a.sort(b); } // basic sort

                // *** widget options
                widgets: [],                   // method to add widgets, e.g. widgets: ['zebra']
                widgetOptions    : {
                    zebra : [ 'even', 'odd' ]    // zebra widget alternating row class names
                },
                initWidgets      : true,       // apply widgets on tablesorter initialization

                // *** callbacks
                initialized      : null,       // function(table){},

                // *** css class names
                tableClass       : 'tablesorter',
                cssAsc           : 'tablesorter-headerAsc',
                cssChildRow      : 'tablesorter-childRow', // previously "expand-child"
                cssDesc          : 'tablesorter-headerDesc',
                cssHeader        : 'tablesorter-header',
                cssHeaderRow     : 'tablesorter-headerRow',
                cssIcon          : 'tablesorter-icon', //  if this class exists, a <i> will be added to the header automatically
                cssInfoBlock     : 'tablesorter-infoOnly', // don't sort tbody with this class name
                cssProcessing    : 'tablesorter-processing', // processing icon applied to header during sort/filter

                // *** selectors
                selectorHeaders  : '> thead th, > thead td',
                selectorSort     : 'th, td',   // jQuery selector of content within selectorHeaders that is clickable to trigger a sort
                selectorRemove   : '.remove-me',

                // *** advanced
                debug            : false,

                // *** Internal variables
                headerList: [],
                empties: {},
                strings: {},
                parsers: []

                // deprecated; but retained for backwards compatibility
                // widgetZebra: { css: ["even", "odd"] }

            };

            /* debuging utils */
            function log(s) {
                if (typeof console !== "undefined" && typeof console.log !== "undefined") {
                    console.log(s);
                } else {
                    alert(s);
                }
            }

            function benchmark(s, d) {
                log(s + " (" + (new Date().getTime() - d.getTime()) + "ms)");
            }

            ts.benchmark = benchmark;

            function getElementText(table, node, cellIndex) {
                if (!node) { return ""; }
                var c = table.config,
                    t = c.textExtraction, text = "";
                if (t === "simple") {
                    if (c.supportsTextContent) {
                        text = node.textContent; // newer browsers support this
                    } else {
                        text = $(node).text();
                    }
                } else {
                    if (typeof(t) === "function") {
                        text = t(node, table, cellIndex);
                    } else if (typeof(t) === "object" && t.hasOwnProperty(cellIndex)) {
                        text = t[cellIndex](node, table, cellIndex);
                    } else {
                        text = c.supportsTextContent ? node.textContent : $(node).text();
                    }
                }
                return $.trim(text);
            }

            function detectParserForColumn(table, rows, rowIndex, cellIndex) {
                var i, l = ts.parsers.length,
                    node = false,
                    nodeValue = '',
                    keepLooking = true;
                while (nodeValue === '' && keepLooking) {
                    rowIndex++;
                    if (rows[rowIndex]) {
                        node = rows[rowIndex].cells[cellIndex];
                        nodeValue = getElementText(table, node, cellIndex);
                        if (table.config.debug) {
                            log('Checking if value was empty on row ' + rowIndex + ', column: ' + cellIndex + ': ' + nodeValue);
                        }
                    } else {
                        keepLooking = false;
                    }
                }
                for (i = 1; i < l; i++) {
                    if (ts.parsers[i].is && ts.parsers[i].is(nodeValue, table, node)) {
                        return ts.parsers[i];
                    }
                }
                // 0 is always the generic parser (text)
                return ts.parsers[0];
            }

            function buildParserCache(table) {
                var c = table.config,
                // update table bodies in case we start with an empty table
                    tb = c.$tbodies = c.$table.children('tbody:not(.' + c.cssInfoBlock + ')'),
                    rows, list, l, i, h, ch, p, parsersDebug = "";
                if ( tb.length === 0) {
                    return c.debug ? log('*Empty table!* Not building a parser cache') : '';
                }
                rows = tb[0].rows;
                if (rows[0]) {
                    list = [];
                    l = rows[0].cells.length;
                    for (i = 0; i < l; i++) {
                        // tons of thanks to AnthonyM1229 for working out the following selector (issue #74) to make this work in IE8!
                        // More fixes to this selector to work properly in iOS and jQuery 1.8+ (issue #132 & #174)
                        h = c.$headers.filter(':not([colspan])');
                        h = h.add( c.$headers.filter('[colspan="1"]') ) // ie8 fix
                            .filter('[data-column="' + i + '"]:last');
                        ch = c.headers[i];
                        // get column parser
                        p = ts.getParserById( ts.getData(h, ch, 'sorter') );
                        // empty cells behaviour - keeping emptyToBottom for backwards compatibility
                        c.empties[i] = ts.getData(h, ch, 'empty') || c.emptyTo || (c.emptyToBottom ? 'bottom' : 'top' );
                        // text strings behaviour in numerical sorts
                        c.strings[i] = ts.getData(h, ch, 'string') || c.stringTo || 'max';
                        if (!p) {
                            p = detectParserForColumn(table, rows, -1, i);
                        }
                        if (c.debug) {
                            parsersDebug += "column:" + i + "; parser:" + p.id + "; string:" + c.strings[i] + '; empty: ' + c.empties[i] + "\n";
                        }
                        list.push(p);
                    }
                }
                if (c.debug) {
                    log(parsersDebug);
                }
                return list;
            }

            /* utils */
            function buildCache(table) {
                var b = table.tBodies,
                    tc = table.config,
                    totalRows,
                    totalCells,
                    parsers = tc.parsers,
                    t, v, i, j, k, c, cols, cacheTime, colMax = [];
                tc.cache = {};
                // if no parsers found, return - it's an empty table.
                if (!parsers) {
                    return tc.debug ? log('*Empty table!* Not building a cache') : '';
                }
                if (tc.debug) {
                    cacheTime = new Date();
                }
                // processing icon
                if (tc.showProcessing) {
                    ts.isProcessing(table, true);
                }
                for (k = 0; k < b.length; k++) {
                    tc.cache[k] = { row: [], normalized: [] };
                    // ignore tbodies with class name from css.cssInfoBlock
                    if (!$(b[k]).hasClass(tc.cssInfoBlock)) {
                        totalRows = (b[k] && b[k].rows.length) || 0;
                        totalCells = (b[k].rows[0] && b[k].rows[0].cells.length) || 0;
                        for (i = 0; i < totalRows; ++i) {
                            /** Add the table data to main data array */
                            c = $(b[k].rows[i]);
                            cols = [];
                            // if this is a child row, add it to the last row's children and continue to the next row
                            if (c.hasClass(tc.cssChildRow)) {
                                tc.cache[k].row[tc.cache[k].row.length - 1] = tc.cache[k].row[tc.cache[k].row.length - 1].add(c);
                                // go to the next for loop
                                continue;
                            }
                            tc.cache[k].row.push(c);
                            for (j = 0; j < totalCells; ++j) {
                                t = getElementText(table, c[0].cells[j], j);
                                // allow parsing if the string is empty, previously parsing would change it to zero,
                                // in case the parser needs to extract data from the table cell attributes
                                v = parsers[j].format(t, table, c[0].cells[j], j);
                                cols.push(v);
                                if ((parsers[j].type || '').toLowerCase() === "numeric") {
                                    colMax[j] = Math.max(Math.abs(v), colMax[j] || 0); // determine column max value (ignore sign)
                                }
                            }
                            cols.push(tc.cache[k].normalized.length); // add position for rowCache
                            tc.cache[k].normalized.push(cols);
                        }
                        tc.cache[k].colMax = colMax;
                    }
                }
                if (tc.showProcessing) {
                    ts.isProcessing(table); // remove processing icon
                }
                if (tc.debug) {
                    benchmark("Building cache for " + totalRows + " rows", cacheTime);
                }
            }

            // init flag (true) used by pager plugin to prevent widget application
            function appendToTable(table, init) {
                var c = table.config,
                    b = table.tBodies,
                    rows = [],
                    c2 = c.cache,
                    r, n, totalRows, checkCell, $bk, $tb,
                    i, j, k, l, pos, appendTime;
                if (!c2[0]) { return; } // empty table - fixes #206
                if (c.debug) {
                    appendTime = new Date();
                }
                for (k = 0; k < b.length; k++) {
                    $bk = $(b[k]);
                    if (!$bk.hasClass(c.cssInfoBlock)) {
                        // get tbody
                        $tb = ts.processTbody(table, $bk, true);
                        r = c2[k].row;
                        n = c2[k].normalized;
                        totalRows = n.length;
                        checkCell = totalRows ? (n[0].length - 1) : 0;
                        for (i = 0; i < totalRows; i++) {
                            pos = n[i][checkCell];
                            rows.push(r[pos]);
                            // removeRows used by the pager plugin
                            if (!c.appender || !c.removeRows) {
                                l = r[pos].length;
                                for (j = 0; j < l; j++) {
                                    $tb.append(r[pos][j]);
                                }
                            }
                        }
                        // restore tbody
                        ts.processTbody(table, $tb, false);
                    }
                }
                if (c.appender) {
                    c.appender(table, rows);
                }
                if (c.debug) {
                    benchmark("Rebuilt table", appendTime);
                }
                // apply table widgets
                if (!init) { ts.applyWidget(table); }
                // trigger sortend
                $(table).trigger("sortEnd", table);
            }

            // computeTableHeaderCellIndexes from:
            // http://www.javascripttoolbox.com/lib/table/examples.php
            // http://www.javascripttoolbox.com/temp/table_cellindex.html
            function computeThIndexes(t) {
                var matrix = [],
                    lookup = {},
                    cols = 0, // determine the number of columns
                    trs = $(t).find('thead:eq(0), tfoot').children('tr'), // children tr in tfoot - see issue #196
                    i, j, k, l, c, cells, rowIndex, cellId, rowSpan, colSpan, firstAvailCol, matrixrow;
                for (i = 0; i < trs.length; i++) {
                    cells = trs[i].cells;
                    for (j = 0; j < cells.length; j++) {
                        c = cells[j];
                        rowIndex = c.parentNode.rowIndex;
                        cellId = rowIndex + "-" + c.cellIndex;
                        rowSpan = c.rowSpan || 1;
                        colSpan = c.colSpan || 1;
                        if (typeof(matrix[rowIndex]) === "undefined") {
                            matrix[rowIndex] = [];
                        }
                        // Find first available column in the first row
                        for (k = 0; k < matrix[rowIndex].length + 1; k++) {
                            if (typeof(matrix[rowIndex][k]) === "undefined") {
                                firstAvailCol = k;
                                break;
                            }
                        }
                        lookup[cellId] = firstAvailCol;
                        cols = Math.max(firstAvailCol, cols);
                        // add data-column
                        $(c).attr({ 'data-column' : firstAvailCol }); // 'data-row' : rowIndex
                        for (k = rowIndex; k < rowIndex + rowSpan; k++) {
                            if (typeof(matrix[k]) === "undefined") {
                                matrix[k] = [];
                            }
                            matrixrow = matrix[k];
                            for (l = firstAvailCol; l < firstAvailCol + colSpan; l++) {
                                matrixrow[l] = "x";
                            }
                        }
                    }
                }
                t.config.columns = cols; // may not be accurate if # header columns !== # tbody columns
                return lookup;
            }

            function formatSortingOrder(v) {
                // look for "d" in "desc" order; return true
                return (/^d/i.test(v) || v === 1);
            }

            function buildHeaders(table) {
                var header_index = computeThIndexes(table), ch, $t,
                    h, i, t, lock, time, $tableHeaders, c = table.config;
                c.headerList = [], c.headerContent = [];
                if (c.debug) {
                    time = new Date();
                }
                i = c.cssIcon ? '<i class="' + c.cssIcon + '"></i>' : ''; // add icon if cssIcon option exists
                $tableHeaders = $(table).find(c.selectorHeaders).each(function(index) {
                    $t = $(this);
                    ch = c.headers[index];
                    c.headerContent[index] = this.innerHTML; // save original header content
                    // set up header template
                    t = c.headerTemplate.replace(/\{content\}/g, this.innerHTML).replace(/\{icon\}/g, i);
                    if (c.onRenderTemplate) {
                        h = c.onRenderTemplate.apply($t, [index, t]);
                        if (h && typeof h === 'string') { t = h; } // only change t if something is returned
                    }
                    this.innerHTML = '<div class="tablesorter-header-inner">' + t + '</div>'; // faster than wrapInner

                    if (c.onRenderHeader) { c.onRenderHeader.apply($t, [index]); }

                    this.column = header_index[this.parentNode.rowIndex + "-" + this.cellIndex];
                    this.order = formatSortingOrder( ts.getData($t, ch, 'sortInitialOrder') || c.sortInitialOrder ) ? [1,0,2] : [0,1,2];
                    this.count = -1; // set to -1 because clicking on the header automatically adds one
                    if (ts.getData($t, ch, 'sorter') === 'false') {
                        this.sortDisabled = true;
                        $t.addClass('sorter-false');
                    } else {
                        $t.removeClass('sorter-false');
                    }
                    this.lockedOrder = false;
                    lock = ts.getData($t, ch, 'lockedOrder') || false;
                    if (typeof(lock) !== 'undefined' && lock !== false) {
                        this.order = this.lockedOrder = formatSortingOrder(lock) ? [1,1,1] : [0,0,0];
                    }
                    $t.addClass( (this.sortDisabled ? 'sorter-false ' : ' ') + c.cssHeader );
                    // add cell to headerList
                    c.headerList[index] = this;
                    // add to parent in case there are multiple rows
                    $t.parent().addClass(c.cssHeaderRow);
                });
                if (table.config.debug) {
                    benchmark("Built headers:", time);
                    log($tableHeaders);
                }
                return $tableHeaders;
            }

            function setHeadersCss(table) {
                var f, i, j, l,
                    c = table.config,
                    list = c.sortList,
                    css = [c.cssAsc, c.cssDesc],
                // find the footer
                    $t = $(table).find('tfoot tr').children().removeClass(css.join(' '));
                // remove all header information
                c.$headers.removeClass(css.join(' '));
                l = list.length;
                for (i = 0; i < l; i++) {
                    // direction = 2 means reset!
                    if (list[i][1] !== 2) {
                        // multicolumn sorting updating - choose the :last in case there are nested columns
                        f = c.$headers.not('.sorter-false').filter('[data-column="' + list[i][0] + '"]' + (l === 1 ? ':last' : '') );
                        if (f.length) {
                            for (j = 0; j < f.length; j++) {
                                if (!f[j].sortDisabled) {
                                    f.eq(j).addClass(css[list[i][1]]);
                                    // add sorted class to footer, if it exists
                                    if ($t.length) {
                                        $t.filter('[data-column="' + list[i][0] + '"]').eq(j).addClass(css[list[i][1]]);
                                    }
                                }
                            }
                        }
                    }
                }
            }

            // automatically add col group, and column sizes if set
            function fixColumnWidth(table) {
                if (table.config.widthFixed && $(table).find('colgroup').length === 0) {
                    var colgroup = $('<colgroup>'),
                        overallWidth = $(table).width();
                    $(table.tBodies[0]).find("tr:first").children("td").each(function() {
                        colgroup.append($('<col>').css('width', parseInt(($(this).width()/overallWidth)*1000, 10)/10 + '%'));
                    });
                    $(table).prepend(colgroup);
                }
            }

            function updateHeaderSortCount(table, list) {
                var s, t, o, c = table.config,
                    sl = list || c.sortList;
                c.sortList = [];
                $.each(sl, function(i,v){
                    // ensure all sortList values are numeric - fixes #127
                    s = [ parseInt(v[0], 10), parseInt(v[1], 10) ];
                    // make sure header exists
                    o = c.headerList[s[0]];
                    if (o) { // prevents error if sorton array is wrong
                        c.sortList.push(s);
                        t = $.inArray(s[1], o.order); // fixes issue #167
                        o.count = t >= 0 ? t : s[1] % (c.sortReset ? 3 : 2);
                    }
                });
            }

            function getCachedSortType(parsers, i) {
                return (parsers && parsers[i]) ? parsers[i].type || '' : '';
            }

            // sort multiple columns
            function multisort(table) { /*jshint loopfunc:true */
                var dynamicExp, sortWrapper, col, mx = 0, dir = 0, tc = table.config,
                    sortList = tc.sortList, l = sortList.length, bl = table.tBodies.length,
                    sortTime, i, j, k, c, colMax, cache, lc, s, e, order, orgOrderCol;
                if (tc.serverSideSorting || !tc.cache[0]) { // empty table - fixes #206
                    return;
                }
                if (tc.debug) { sortTime = new Date(); }
                for (k = 0; k < bl; k++) {
                    colMax = tc.cache[k].colMax;
                    cache = tc.cache[k].normalized;
                    lc = cache.length;
                    orgOrderCol = (cache && cache[0]) ? cache[0].length - 1 : 0;
                    cache.sort(function(a, b) {
                        // cache is undefined here in IE, so don't use it!
                        for (i = 0; i < l; i++) {
                            c = sortList[i][0];
                            order = sortList[i][1];
                            // fallback to natural sort since it is more robust
                            s = /n/i.test(getCachedSortType(tc.parsers, c)) ? "Numeric" : "Text";
                            s += order === 0 ? "" : "Desc";
                            if (/Numeric/.test(s) && tc.strings[c]) {
                                // sort strings in numerical columns
                                if (typeof (tc.string[tc.strings[c]]) === 'boolean') {
                                    dir = (order === 0 ? 1 : -1) * (tc.string[tc.strings[c]] ? -1 : 1);
                                } else {
                                    dir = (tc.strings[c]) ? tc.string[tc.strings[c]] || 0 : 0;
                                }
                            }
                            var sort = $.tablesorter["sort" + s](table, a[c], b[c], c, colMax[c], dir);
                            if (sort) { return sort; }
                        }
                        return a[orgOrderCol] - b[orgOrderCol];
                    });
                }
                if (tc.debug) { benchmark("Sorting on " + sortList.toString() + " and dir " + order + " time", sortTime); }
            }

            function resortComplete($table, callback){
                $table.trigger('updateComplete');
                if (typeof callback === "function") {
                    callback($table[0]);
                }
            }

            function checkResort($table, flag, callback) {
                if (flag !== false) {
                    $table.trigger("sorton", [$table[0].config.sortList, function(){
                        resortComplete($table, callback);
                    }]);
                } else {
                    resortComplete($table, callback);
                }
            }

            /* public methods */
            ts.construct = function(settings) {
                return this.each(function() {
                    // if no thead or tbody, or tablesorter is already present, quit
                    if (!this.tHead || this.tBodies.length === 0 || this.hasInitialized === true) {
                        return (this.config && this.config.debug) ? log('stopping initialization! No thead, tbody or tablesorter has already been initialized') : '';
                    }
                    // declare
                    var $cell, $this = $(this), $t0 = this,
                        c, i, j, k = '', a, s, o, downTime,
                        m = $.metadata;
                    // initialization flag
                    $t0.hasInitialized = false;
                    // new blank config object
                    $t0.config = {};
                    // merge and extend
                    c = $.extend(true, $t0.config, ts.defaults, settings);
                    // save the settings where they read
                    $.data($t0, "tablesorter", c);
                    if (c.debug) { $.data( $t0, 'startoveralltimer', new Date()); }
                    // constants
                    c.supportsTextContent = $('<span>x</span>')[0].textContent === 'x';
                    c.supportsDataObject = parseFloat($.fn.jquery) >= 1.4;
                    // digit sort text location; keeping max+/- for backwards compatibility
                    c.string = { 'max': 1, 'min': -1, 'max+': 1, 'max-': -1, 'zero': 0, 'none': 0, 'null': 0, 'top': true, 'bottom': false };
                    // add table theme class only if there isn't already one there
                    if (!/tablesorter\-/.test($this.attr('class'))) {
                        k = (c.theme !== '' ? ' tablesorter-' + c.theme : '');
                    }
                    c.$table = $this.addClass(c.tableClass + k);
                    c.$tbodies = $this.children('tbody:not(.' + c.cssInfoBlock + ')');
                    // build headers
                    c.$headers = buildHeaders($t0);
                    // fixate columns if the users supplies the fixedWidth option
                    // do this after theme has been applied
                    fixColumnWidth($t0);
                    // try to auto detect column type, and store in tables config
                    c.parsers = buildParserCache($t0);
                    // build the cache for the tbody cells
                    // delayInit will delay building the cache until the user starts a sort
                    if (!c.delayInit) { buildCache($t0); }
                    // apply event handling to headers
                    // this is to big, perhaps break it out?
                    c.$headers
                        // http://stackoverflow.com/questions/5312849/jquery-find-self; andSelf() deprecated in jQuery 1.8
                        .find('*')[ $.fn.addBack ? 'addBack': 'andSelf' ]().filter(c.selectorSort)
                        .unbind('mousedown.tablesorter mouseup.tablesorter')
                        .bind('mousedown.tablesorter mouseup.tablesorter', function(e, external) {
                            // jQuery v1.2.6 doesn't have closest()
                            var $cell = this.tagName.match('TH|TD') ? $(this) : $(this).parents('th, td').filter(':last'), cell = $cell[0];
                            // only recognize left clicks
                            if ((e.which || e.button) !== 1) { return false; }
                            // set timer on mousedown
                            if (e.type === 'mousedown') {
                                downTime = new Date().getTime();
                                return e.target.tagName === "INPUT" ? '' : !c.cancelSelection;
                            }
                            // ignore long clicks (prevents resizable widget from initializing a sort)
                            if (external !== true && (new Date().getTime() - downTime > 250)) { return false; }
                            if (c.delayInit && !c.cache) { buildCache($t0); }
                            if (!cell.sortDisabled) {
                                // Only call sortStart if sorting is enabled
                                $this.trigger("sortStart", $t0);
                                // store exp, for speed
                                // $cell = $(this);
                                k = !e[c.sortMultiSortKey];
                                // get current column sort order
                                cell.count = e[c.sortResetKey] ? 2 : (cell.count + 1) % (c.sortReset ? 3 : 2);
                                // reset all sorts on non-current column - issue #30
                                if (c.sortRestart) {
                                    i = cell;
                                    c.$headers.each(function() {
                                        // only reset counts on columns that weren't just clicked on and if not included in a multisort
                                        if (this !== i && (k || !$(this).is('.' + c.cssDesc + ',.' + c.cssAsc))) {
                                            this.count = -1;
                                        }
                                    });
                                }
                                // get current column index
                                i = cell.column;
                                // user only wants to sort on one column
                                if (k) {
                                    // flush the sort list
                                    c.sortList = [];
                                    if (c.sortForce !== null) {
                                        a = c.sortForce;
                                        for (j = 0; j < a.length; j++) {
                                            if (a[j][0] !== i) {
                                                c.sortList.push(a[j]);
                                            }
                                        }
                                    }
                                    // add column to sort list
                                    o = cell.order[cell.count];
                                    if (o < 2) {
                                        c.sortList.push([i, o]);
                                        // add other columns if header spans across multiple
                                        if (cell.colSpan > 1) {
                                            for (j = 1; j < cell.colSpan; j++) {
                                                c.sortList.push([i + j, o]);
                                            }
                                        }
                                    }
                                    // multi column sorting
                                } else {
                                    // get rid of the sortAppend before adding more - fixes issue #115
                                    if (c.sortAppend && c.sortList.length > 1) {
                                        if (ts.isValueInArray(c.sortAppend[0][0], c.sortList)) {
                                            c.sortList.pop();
                                        }
                                    }
                                    // the user has clicked on an already sorted column
                                    if (ts.isValueInArray(i, c.sortList)) {
                                        // reverse the sorting direction for all tables
                                        for (j = 0; j < c.sortList.length; j++) {
                                            s = c.sortList[j];
                                            o = c.headerList[s[0]];
                                            if (s[0] === i) {
                                                s[1] = o.order[o.count];
                                                if (s[1] === 2) {
                                                    c.sortList.splice(j,1);
                                                    o.count = -1;
                                                }
                                            }
                                        }
                                    } else {
                                        // add column to sort list array
                                        o = cell.order[cell.count];
                                        if (o < 2) {
                                            c.sortList.push([i, o]);
                                            // add other columns if header spans across multiple
                                            if (cell.colSpan > 1) {
                                                for (j = 1; j < cell.colSpan; j++) {
                                                    c.sortList.push([i + j, o]);
                                                }
                                            }
                                        }
                                    }
                                }
                                if (c.sortAppend !== null) {
                                    a = c.sortAppend;
                                    for (j = 0; j < a.length; j++) {
                                        if (a[j][0] !== i) {
                                            c.sortList.push(a[j]);
                                        }
                                    }
                                }
                                // sortBegin event triggered immediately before the sort
                                $this.trigger("sortBegin", $t0);
                                // setTimeout needed so the processing icon shows up
                                setTimeout(function(){
                                    // set css for headers
                                    setHeadersCss($t0);
                                    multisort($t0);
                                    appendToTable($t0);
                                }, 1);
                            }
                        });
                    if (c.cancelSelection) {
                        // cancel selection
                        c.$headers.each(function() {
                            this.onselectstart = function() {
                                return false;
                            };
                        });
                    }
                    // apply easy methods that trigger boundd events
                    $this
                        .unbind('sortReset update updateCell addRows sorton appendCache applyWidgetId applyWidgets refreshWidgets destroy mouseup mouseleave '.split(' ').join('.tablesorter '))
                        .bind("sortReset.tablesorter", function(){
                            c.sortList = [];
                            setHeadersCss($t0);
                            multisort($t0);
                            appendToTable($t0);
                        })
                        .bind("update.tablesorter updateRows.tablesorter", function(e, resort, callback) {
                            // remove rows/elements before update
                            $this.find(c.selectorRemove).remove();
                            // rebuild parsers
                            c.parsers = buildParserCache($t0);
                            // rebuild the cache map
                            buildCache($t0);
                            checkResort($this, resort, callback);
                        })
                        .bind("updateCell.tablesorter", function(e, cell, resort, callback) {
                            $this.find(c.selectorRemove).remove();
                            // get position from the dom
                            var l, row, icell,
                                $tb = $this.find('tbody'),
                            // update cache - format: function(s, table, cell, cellIndex)
                            // no closest in jQuery v1.2.6 - tbdy = $tb.index( $(cell).closest('tbody') ),$row = $(cell).closest('tr');
                                tbdy = $tb.index( $(cell).parents('tbody').filter(':last') ),
                                $row = $(cell).parents('tr').filter(':last');
                            cell = $(cell)[0]; // in case cell is a jQuery object
                            // tbody may not exist if update is initialized while tbody is removed for processing
                            if ($tb.length && tbdy >= 0) {
                                row = $tb.eq(tbdy).find('tr').index( $row );
                                icell = cell.cellIndex;
                                l = c.cache[tbdy].normalized[row].length - 1;
                                c.cache[tbdy].row[$t0.config.cache[tbdy].normalized[row][l]] = $row;
                                c.cache[tbdy].normalized[row][icell] = c.parsers[icell].format( getElementText($t0, cell, icell), $t0, cell, icell );
                                checkResort($this, resort, callback);
                            }
                        })
                        .bind("addRows.tablesorter", function(e, $row, resort, callback) {
                            var i, rows = $row.filter('tr').length,
                                dat = [], l = $row[0].cells.length,
                                tbdy = $this.find('tbody').index( $row.closest('tbody') );
                            // fixes adding rows to an empty table - see issue #179
                            if (!c.parsers) {
                                c.parsers = buildParserCache($t0);
                            }
                            // add each row
                            for (i = 0; i < rows; i++) {
                                // add each cell
                                for (j = 0; j < l; j++) {
                                    dat[j] = c.parsers[j].format( getElementText($t0, $row[i].cells[j], j), $t0, $row[i].cells[j], j );
                                }
                                // add the row index to the end
                                dat.push(c.cache[tbdy].row.length);
                                // update cache
                                c.cache[tbdy].row.push([$row[i]]);
                                c.cache[tbdy].normalized.push(dat);
                                dat = [];
                            }
                            // resort using current settings
                            checkResort($this, resort, callback);
                        })
                        .bind("sorton.tablesorter", function(e, list, callback, init) {
                            $this.trigger("sortStart", this);
                            // update header count index
                            updateHeaderSortCount($t0, list);
                            // set css for headers
                            setHeadersCss($t0);
                            // sort the table and append it to the dom
                            multisort($t0);
                            appendToTable($t0, init);
                            if (typeof callback === "function") {
                                callback($t0);
                            }
                        })
                        .bind("appendCache.tablesorter", function(e, callback, init) {
                            appendToTable($t0, init);
                            if (typeof callback === "function") {
                                callback($t0);
                            }
                        })
                        .bind("applyWidgetId.tablesorter", function(e, id) {
                            ts.getWidgetById(id).format($t0, c, c.widgetOptions);
                        })
                        .bind("applyWidgets.tablesorter", function(e, init) {
                            // apply widgets
                            ts.applyWidget($t0, init);
                        })
                        .bind("refreshWidgets.tablesorter", function(e, all, dontapply){
                            ts.refreshWidgets($t0, all, dontapply);
                        })
                        .bind("destroy.tablesorter", function(e, c, cb){
                            ts.destroy($t0, c, cb);
                        });

                    // get sort list from jQuery data or metadata
                    // in jQuery < 1.4, an error occurs when calling $this.data()
                    if (c.supportsDataObject && typeof $this.data().sortlist !== 'undefined') {
                        c.sortList = $this.data().sortlist;
                    } else if (m && ($this.metadata() && $this.metadata().sortlist)) {
                        c.sortList = $this.metadata().sortlist;
                    }
                    // apply widget init code
                    ts.applyWidget($t0, true);
                    // if user has supplied a sort list to constructor
                    if (c.sortList.length > 0) {
                        $this.trigger("sorton", [c.sortList, {}, !c.initWidgets]);
                    } else if (c.initWidgets) {
                        // apply widget format
                        ts.applyWidget($t0);
                    }

                    // show processesing icon
                    if (c.showProcessing) {
                        $this
                            .unbind('sortBegin.tablesorter sortEnd.tablesorter')
                            .bind('sortBegin.tablesorter sortEnd.tablesorter', function(e) {
                                ts.isProcessing($t0, e.type === 'sortBegin');
                            });
                    }

                    // initialized
                    $t0.hasInitialized = true;
                    if (c.debug) {
                        ts.benchmark("Overall initialization time", $.data( $t0, 'startoveralltimer'));
                    }
                    $this.trigger('tablesorter-initialized', $t0);
                    if (typeof c.initialized === 'function') { c.initialized($t0); }
                });
            };

            // *** Process table ***
            // add processing indicator
            ts.isProcessing = function(table, toggle, $ths) {
                var c = table.config,
                // default to all headers
                    $h = $ths || $(table).find('.' + c.cssHeader);
                if (toggle) {
                    if (c.sortList.length > 0) {
                        // get headers from the sortList
                        $h = $h.filter(function(){
                            // get data-column from attr to keep  compatibility with jQuery 1.2.6
                            return this.sortDisabled ? false : ts.isValueInArray( parseFloat($(this).attr('data-column')), c.sortList);
                        });
                    }
                    $h.addClass(c.cssProcessing);
                } else {
                    $h.removeClass(c.cssProcessing);
                }
            };

            // detach tbody but save the position
            // don't use tbody because there are portions that look for a tbody index (updateCell)
            ts.processTbody = function(table, $tb, getIt){
                var t, holdr;
                if (getIt) {
                    $tb.before('<span class="tablesorter-savemyplace"/>');
                    holdr = ($.fn.detach) ? $tb.detach() : $tb.remove();
                    return holdr;
                }
                holdr = $(table).find('span.tablesorter-savemyplace');
                $tb.insertAfter( holdr );
                holdr.remove();
            };

            ts.clearTableBody = function(table) {
                table.config.$tbodies.empty();
            };

            ts.destroy = function(table, removeClasses, callback){
                if (!table.hasInitialized) { return; }
                // remove all widgets
                ts.refreshWidgets(table, true, true);
                var $t = $(table), c = table.config,
                    $h = $t.find('thead:first'),
                    $r = $h.find('tr.' + c.cssHeaderRow).removeClass(c.cssHeaderRow),
                    $f = $t.find('tfoot:first > tr').children('th, td');
                // remove widget added rows, just in case
                $h.find('tr').not($r).remove();
                // disable tablesorter
                $t
                    .removeData('tablesorter')
                    .unbind('sortReset update updateCell addRows sorton appendCache applyWidgetId applyWidgets refreshWidgets destroy mouseup mouseleave sortBegin sortEnd '.split(' ').join('.tablesorter '));
                c.$headers.add($f)
                    .removeClass(c.cssHeader + ' ' + c.cssAsc + ' ' + c.cssDesc)
                    .removeAttr('data-column');
                $r.find(c.selectorSort).unbind('mousedown.tablesorter mouseup.tablesorter');
                // restore headers
                $r.children().each(function(i){
                    $(this).html( c.headerContent[i] );
                });
                if (removeClasses !== false) {
                    $t.removeClass(c.tableClass + ' tablesorter-' + c.theme);
                }
                // clear flag in case the plugin is initialized again
                table.hasInitialized = false;
                if (typeof callback === 'function') {
                    callback(table);
                }
            };

            // *** sort functions ***
            // regex used in natural sort
            ts.regex = [
                /(^([+\-]?(?:0|[1-9]\d*)(?:\.\d*)?(?:[eE][+\-]?\d+)?)?$|^0x[0-9a-f]+$|\d+)/gi, // chunk/tokenize numbers & letters
                /(^([\w ]+,?[\w ]+)?[\w ]+,?[\w ]+\d+:\d+(:\d+)?[\w ]?|^\d{1,4}[\/\-]\d{1,4}[\/\-]\d{1,4}|^\w+, \w+ \d+, \d{4})/, //date
                /^0x[0-9a-f]+$/i // hex
            ];

            // Natural sort - https://github.com/overset/javascript-natural-sort
            ts.sortText = function(table, a, b, col) {
                if (a === b) { return 0; }
                var c = table.config, e = c.string[ (c.empties[col] || c.emptyTo ) ],
                    r = ts.regex, xN, xD, yN, yD, xF, yF, i, mx;
                if (a === '' && e !== 0) { return (typeof(e) === 'boolean') ? (e ? -1 : 1) : -e || -1; }
                if (b === '' && e !== 0) { return (typeof(e) === 'boolean') ? (e ? 1 : -1) : e || 1; }
                if (typeof c.textSorter === 'function') { return c.textSorter(a, b, table, col); }
                // chunk/tokenize
                xN = a.replace(r[0], '\\0$1\\0').replace(/\\0$/, '').replace(/^\\0/, '').split('\\0');
                yN = b.replace(r[0], '\\0$1\\0').replace(/\\0$/, '').replace(/^\\0/, '').split('\\0');
                // numeric, hex or date detection
                xD = parseInt(a.match(r[2]),16) || (xN.length !== 1 && a.match(r[1]) && Date.parse(a));
                yD = parseInt(b.match(r[2]),16) || (xD && b.match(r[1]) && Date.parse(b)) || null;
                // first try and sort Hex codes or Dates
                if (yD) {
                    if ( xD < yD ) { return -1; }
                    if ( xD > yD ) { return 1; }
                }
                mx = Math.max(xN.length, yN.length);
                // natural sorting through split numeric strings and default strings
                for (i = 0; i < mx; i++) {
                    // find floats not starting with '0', string or 0 if not defined
                    xF = isNaN(xN[i]) ? xN[i] || 0 : parseFloat(xN[i]) || 0;
                    yF = isNaN(yN[i]) ? yN[i] || 0 : parseFloat(yN[i]) || 0;
                    // handle numeric vs string comparison - number < string - (Kyle Adams)
                    if (isNaN(xF) !== isNaN(yF)) { return (isNaN(xF)) ? 1 : -1; }
                    // rely on string comparison if different types - i.e. '02' < 2 != '02' < '2'
                    if (typeof xF !== typeof yF) {
                        xF += '';
                        yF += '';
                    }
                    if (xF < yF) { return -1; }
                    if (xF > yF) { return 1; }
                }
                return 0;
            };

            ts.sortTextDesc = function(table, a, b, col) {
                if (a === b) { return 0; }
                var c = table.config, e = c.string[ (c.empties[col] || c.emptyTo ) ];
                if (a === '' && e !== 0) { return (typeof(e) === 'boolean') ? (e ? -1 : 1) : e || 1; }
                if (b === '' && e !== 0) { return (typeof(e) === 'boolean') ? (e ? 1 : -1) : -e || -1; }
                if (typeof c.textSorter === 'function') { return c.textSorter(b, a, table, col); }
                return ts.sortText(table, b, a);
            };

            // return text string value by adding up ascii value
            // so the text is somewhat sorted when using a digital sort
            // this is NOT an alphanumeric sort
            ts.getTextValue = function(a, mx, d) {
                if (mx) {
                    // make sure the text value is greater than the max numerical value (mx)
                    var i, l = a ? a.length : 0, n = mx + d;
                    for (i = 0; i < l; i++) {
                        n += a.charCodeAt(i);
                    }
                    return d * n;
                }
                return 0;
            };

            ts.sortNumeric = function(table, a, b, col, mx, d) {
                if (a === b) { return 0; }
                var c = table.config, e = c.string[ (c.empties[col] || c.emptyTo ) ];
                if (a === '' && e !== 0) { return (typeof(e) === 'boolean') ? (e ? -1 : 1) : -e || -1; }
                if (b === '' && e !== 0) { return (typeof(e) === 'boolean') ? (e ? 1 : -1) : e || 1; }
                if (isNaN(a)) { a = ts.getTextValue(a, mx, d); }
                if (isNaN(b)) { b = ts.getTextValue(b, mx, d); }
                return a - b;
            };

            ts.sortNumericDesc = function(table, a, b, col, mx, d) {
                if (a === b) { return 0; }
                var c = table.config, e = c.string[ (c.empties[col] || c.emptyTo ) ];
                if (a === '' && e !== 0) { return (typeof(e) === 'boolean') ? (e ? -1 : 1) : e || 1; }
                if (b === '' && e !== 0) { return (typeof(e) === 'boolean') ? (e ? 1 : -1) : -e || -1; }
                if (isNaN(a)) { a = ts.getTextValue(a, mx, d); }
                if (isNaN(b)) { b = ts.getTextValue(b, mx, d); }
                return b - a;
            };

            // used when replacing accented characters during sorting
            ts.characterEquivalents = {
                "a" : "\u00e1\u00e0\u00e2\u00e3\u00e4\u0105\u00e5", // áàâãäąå
                "A" : "\u00c1\u00c0\u00c2\u00c3\u00c4\u0104\u00c5", // ÁÀÂÃÄĄÅ
                "c" : "\u00e7\u0107\u010d", // çćč
                "C" : "\u00c7\u0106\u010c", // ÇĆČ
                "e" : "\u00e9\u00e8\u00ea\u00eb\u011b\u0119", // éèêëěę
                "E" : "\u00c9\u00c8\u00ca\u00cb\u011a\u0118", // ÉÈÊËĚĘ
                "i" : "\u00ed\u00ec\u0130\u00ee\u00ef\u0131", // íìİîïı
                "I" : "\u00cd\u00cc\u0130\u00ce\u00cf", // ÍÌİÎÏ
                "o" : "\u00f3\u00f2\u00f4\u00f5\u00f6", // óòôõö
                "O" : "\u00d3\u00d2\u00d4\u00d5\u00d6", // ÓÒÔÕÖ
                "ss": "\u00df", // ß (s sharp)
                "SS": "\u1e9e", // ẞ (Capital sharp s)
                "u" : "\u00fa\u00f9\u00fb\u00fc\u016f", // úùûüů
                "U" : "\u00da\u00d9\u00db\u00dc\u016e" // ÚÙÛÜŮ
            };
            ts.replaceAccents = function(s) {
                var a, acc = '[', eq = ts.characterEquivalents;
                if (!ts.characterRegex) {
                    ts.characterRegexArray = {};
                    for (a in eq) {
                        if (typeof a === 'string') {
                            acc += eq[a];
                            ts.characterRegexArray[a] = new RegExp('[' + eq[a] + ']', 'g');
                        }
                    }
                    ts.characterRegex = new RegExp(acc + ']');
                }
                if (ts.characterRegex.test(s)) {
                    for (a in eq) {
                        if (typeof a === 'string') {
                            s = s.replace( ts.characterRegexArray[a], a );
                        }
                    }
                }
                return s;
            };

            // *** utilities ***
            ts.isValueInArray = function(v, a) {
                var i, l = a.length;
                for (i = 0; i < l; i++) {
                    if (a[i][0] === v) {
                        return true;
                    }
                }
                return false;
            };

            ts.addParser = function(parser) {
                var i, l = ts.parsers.length, a = true;
                for (i = 0; i < l; i++) {
                    if (ts.parsers[i].id.toLowerCase() === parser.id.toLowerCase()) {
                        a = false;
                    }
                }
                if (a) {
                    ts.parsers.push(parser);
                }
            };

            ts.getParserById = function(name) {
                var i, l = ts.parsers.length;
                for (i = 0; i < l; i++) {
                    if (ts.parsers[i].id.toLowerCase() === (name.toString()).toLowerCase()) {
                        return ts.parsers[i];
                    }
                }
                return false;
            };

            ts.addWidget = function(widget) {
                ts.widgets.push(widget);
            };

            ts.getWidgetById = function(name) {
                var i, w, l = ts.widgets.length;
                for (i = 0; i < l; i++) {
                    w = ts.widgets[i];
                    if (w && w.hasOwnProperty('id') && w.id.toLowerCase() === name.toLowerCase()) {
                        return w;
                    }
                }
            };

            ts.applyWidget = function(table, init) {
                var c = table.config,
                    wo = c.widgetOptions,
                    ws = c.widgets.sort().reverse(), // ensure that widgets are always applied in a certain order
                    time, i, w, l = ws.length;
                // make zebra last
                i = $.inArray('zebra', c.widgets);
                if (i >= 0) {
                    c.widgets.splice(i,1);
                    c.widgets.push('zebra');
                }
                if (c.debug) {
                    time = new Date();
                }
                // add selected widgets
                for (i = 0; i < l; i++) {
                    w = ts.getWidgetById(ws[i]);
                    if ( w ) {
                        if (init === true && w.hasOwnProperty('init')) {
                            w.init(table, w, c, wo);
                        } else if (!init && w.hasOwnProperty('format')) {
                            w.format(table, c, wo);
                        }
                    }
                }
                if (c.debug) {
                    benchmark("Completed " + (init === true ? "initializing" : "applying") + " widgets", time);
                }
            };

            ts.refreshWidgets = function(table, doAll, dontapply) {
                var i, c = table.config,
                    cw = c.widgets,
                    w = ts.widgets, l = w.length;
                // remove previous widgets
                for (i = 0; i < l; i++){
                    if ( w[i] && w[i].id && (doAll || $.inArray( w[i].id, cw ) < 0) ) {
                        if (c.debug) { log( 'Refeshing widgets: Removing ' + w[i].id  ); }
                        if (w[i].hasOwnProperty('remove')) { w[i].remove(table, c, c.widgetOptions); }
                    }
                }
                if (dontapply !== true) {
                    ts.applyWidget(table, doAll);
                }
            };

            // get sorter, string, empty, etc options for each column from
            // jQuery data, metadata, header option or header class name ("sorter-false")
            // priority = jQuery data > meta > headers option > header class name
            ts.getData = function(h, ch, key) {
                var val = '', $h = $(h), m, cl;
                if (!$h.length) { return ''; }
                m = $.metadata ? $h.metadata() : false;
                cl = ' ' + ($h.attr('class') || '');
                if (typeof $h.data(key) !== 'undefined' || typeof $h.data(key.toLowerCase()) !== 'undefined'){
                    // "data-lockedOrder" is assigned to "lockedorder"; but "data-locked-order" is assigned to "lockedOrder"
                    // "data-sort-initial-order" is assigned to "sortInitialOrder"
                    val += $h.data(key) || $h.data(key.toLowerCase());
                } else if (m && typeof m[key] !== 'undefined') {
                    val += m[key];
                } else if (ch && typeof ch[key] !== 'undefined') {
                    val += ch[key];
                } else if (cl !== ' ' && cl.match(' ' + key + '-')) {
                    // include sorter class name "sorter-text", etc
                    val = cl.match( new RegExp(' ' + key + '-(\\w+)') )[1] || '';
                }
                return $.trim(val);
            };

            ts.formatFloat = function(s, table) {
                if (typeof(s) !== 'string' || s === '') { return s; }
                // allow using formatFloat without a table; defaults to US number format
                var i,
                    t = table && table.config ? table.config.usNumberFormat !== false :
                        typeof table !== "undefined" ? table : true;
                if (t) {
                    // US Format - 1,234,567.89 -> 1234567.89
                    s = s.replace(/,/g,'');
                } else {
                    // German Format = 1.234.567,89 -> 1234567.89
                    // French Format = 1 234 567,89 -> 1234567.89
                    s = s.replace(/[\s|\.]/g,'').replace(/,/g,'.');
                }
                if(/^\s*\([.\d]+\)/.test(s)) {
                    // make (#) into a negative number -> (10) = -10
                    s = s.replace(/^\s*\(/,'-').replace(/\)/,'');
                }
                i = parseFloat(s);
                // return the text instead of zero
                return isNaN(i) ? $.trim(s) : i;
            };

            ts.isDigit = function(s) {
                // replace all unwanted chars and match
                return isNaN(s) ? (/^[\-+(]?\d+[)]?$/).test(s.toString().replace(/[,.'"\s]/g, '')) : true;
            };

        }()
    });

    // make shortcut
    var ts = $.tablesorter;

    // extend plugin scope
    $.fn.extend({
        tablesorter: ts.construct
    });

    // add default parsers
    ts.addParser({
        id: "text",
        is: function(s, table, node) {
            return true;
        },
        format: function(s, table, cell, cellIndex) {
            var c = table.config;
            s = $.trim( c.ignoreCase ? s.toLocaleLowerCase() : s );
            return c.sortLocaleCompare ? ts.replaceAccents(s) : s;
        },
        type: "text"
    });

    ts.addParser({
        id: "currency",
        is: function(s) {
            return (/^\(?\d+[\u00a3$\u20ac\u00a4\u00a5\u00a2?.]|[\u00a3$\u20ac\u00a4\u00a5\u00a2?.]\d+\)?$/).test((s || '').replace(/[,. ]/g,'')); // £$€¤¥¢
        },
        format: function(s, table) {
            return ts.formatFloat(s.replace(/[^\w,. \-()]/g, ""), table);
        },
        type: "numeric"
    });

    ts.addParser({
        id: "ipAddress",
        is: function(s) {
            return (/^\d{1,3}[\.]\d{1,3}[\.]\d{1,3}[\.]\d{1,3}$/).test(s);
        },
        format: function(s, table) {
            var i, a = s.split("."),
                r = "",
                l = a.length;
            for (i = 0; i < l; i++) {
                r += ("00" + a[i]).slice(-3);
            }
            return ts.formatFloat(r, table);
        },
        type: "numeric"
    });

    ts.addParser({
        id: "url",
        is: function(s) {
            return (/^(https?|ftp|file):\/\//).test(s);
        },
        format: function(s) {
            return $.trim(s.replace(/(https?|ftp|file):\/\//, ''));
        },
        type: "text"
    });

    ts.addParser({
        id: "isoDate",
        is: function(s) {
            return (/^\d{4}[\/\-]\d{1,2}[\/\-]\d{1,2}/).test(s);
        },
        format: function(s, table) {
            return ts.formatFloat((s !== "") ? (new Date(s.replace(/-/g, "/")).getTime() || "") : "", table);
        },
        type: "numeric"
    });

    ts.addParser({
        id: "percent",
        is: function(s) {
            return (/(\d\s?%|%\s?\d)/).test(s);
        },
        format: function(s, table) {
            return ts.formatFloat(s.replace(/%/g, ""), table);
        },
        type: "numeric"
    });

    ts.addParser({
        id: "usLongDate",
        is: function(s) {
            // two digit years are not allowed cross-browser
            // Jan 01, 2013 12:34:56 PM or 01 Jan 2013
            return (/^[A-Z]{3,10}\.?\s+\d{1,2},?\s+(\d{4})(\s+\d{1,2}:\d{2}(:\d{2})?(\s+[AP]M)?)?$/i).test(s) || (/^\d{1,2}\s+[A-Z]{3,10}\s+\d{4}/i).test(s);
        },
        format: function(s, table) {
            return ts.formatFloat( (new Date(s.replace(/(\S)([AP]M)$/i, "$1 $2")).getTime() || ''), table);
        },
        type: "numeric"
    });

    ts.addParser({
        id: "shortDate", // "mmddyyyy", "ddmmyyyy" or "yyyymmdd"
        is: function(s) {
            // testing for ####-##-####, so it's not perfect
            return (/^(\d{1,2}|\d{4})[\/\-\,\.\s+]\d{1,2}[\/\-\.\,\s+](\d{1,2}|\d{4})$/).test(s);
        },
        format: function(s, table, cell, cellIndex) {
            var c = table.config, ci = c.headerList[cellIndex],
                format = ci.shortDateFormat;
            if (typeof format === 'undefined') {
                // cache header formatting so it doesn't getData for every cell in the column
                format = ci.shortDateFormat = ts.getData( ci, c.headers[cellIndex], 'dateFormat') || c.dateFormat;
            }
            s = s.replace(/\s+/g," ").replace(/[\-|\.|\,]/g, "/");
            if (format === "mmddyyyy") {
                s = s.replace(/(\d{1,2})[\/\s](\d{1,2})[\/\s](\d{4})/, "$3/$1/$2");
            } else if (format === "ddmmyyyy") {
                s = s.replace(/(\d{1,2})[\/\s](\d{1,2})[\/\s](\d{4})/, "$3/$2/$1");
            } else if (format === "yyyymmdd") {
                s = s.replace(/(\d{4})[\/\s](\d{1,2})[\/\s](\d{1,2})/, "$1/$2/$3");
            }
            return ts.formatFloat( (new Date(s).getTime() || ''), table);
        },
        type: "numeric"
    });

    ts.addParser({
        id: "time",
        is: function(s) {
            return (/^(([0-2]?\d:[0-5]\d)|([0-1]?\d:[0-5]\d\s?([AP]M)))$/i).test(s);
        },
        format: function(s, table) {
            return ts.formatFloat( (new Date("2000/01/01 " + s.replace(/(\S)([AP]M)$/i, "$1 $2")).getTime() || ""), table);
        },
        type: "numeric"
    });

    ts.addParser({
        id: "digit",
        is: function(s) {
            return ts.isDigit(s);
        },
        format: function(s, table) {
            return ts.formatFloat(s.replace(/[^\w,. \-()]/g, ""), table);
        },
        type: "numeric"
    });

    ts.addParser({
        id: "metadata",
        is: function(s) {
            return false;
        },
        format: function(s, table, cell) {
            var c = table.config,
                p = (!c.parserMetadataName) ? 'sortValue' : c.parserMetadataName;
            return $(cell).metadata()[p];
        },
        type: "numeric"
    });

    // add default widgets
    ts.addWidget({
        id: "zebra",
        format: function(table, c, wo) {
            var $tb, $tv, $tr, row, even, time, k, l,
                child = new RegExp(c.cssChildRow, 'i'),
                b = c.$tbodies;
            if (c.debug) {
                time = new Date();
            }
            for (k = 0; k < b.length; k++ ) {
                // loop through the visible rows
                $tb = b.eq(k);
                l = $tb.children('tr').length;
                if (l > 1) {
                    row = 0;
                    $tv = $tb.children('tr:visible');
                    // revered back to using jQuery each - strangely it's the fastest method
                    /*jshint loopfunc:true */
                    $tv.each(function(){
                        $tr = $(this);
                        // style children rows the same way the parent row was styled
                        if (!child.test(this.className)) { row++; }
                        even = (row % 2 === 0);
                        $tr.removeClass(wo.zebra[even ? 1 : 0]).addClass(wo.zebra[even ? 0 : 1]);
                    });
                }
            }
            if (c.debug) {
                ts.benchmark("Applying Zebra widget", time);
            }
        },
        remove: function(table, c, wo){
            var k, $tb,
                b = c.$tbodies,
                rmv = (c.widgetOptions.zebra || [ "even", "odd" ]).join(' ');
            for (k = 0; k < b.length; k++ ){
                $tb = $.tablesorter.processTbody(table, b.eq(k), true); // remove tbody
                $tb.children().removeClass(rmv);
                $.tablesorter.processTbody(table, $tb, false); // restore tbody
            }
        }
    });

})(jQuery);