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app/assets/javascripts/tablesorter.min.js

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/*! tableSorter (FORK) 2.16+ widgets - updated 12/22/2014 (v2.18.4)
 *
 * Column Styles
 * Column Filters
 * Column Resizing
 * Sticky Header
 * UI Theme (generalized)
 * Save Sort
 * [ "columns", "filter", "resizable", "stickyHeaders", "uitheme", "saveSort" ]
 */
/*jshint browser:true, jquery:true, unused:false, loopfunc:true */
/*global jQuery: false, localStorage: false */
;(function ($, window) {
    "use strict";
    var ts = $.tablesorter = $.tablesorter || {};

    ts.themes = {
        "bootstrap" : {
            table      : 'table table-bordered table-striped',
            caption    : 'caption',
            header     : 'bootstrap-header', // give the header a gradient background
            footerRow  : '',
            footerCells: '',
            icons      : '', // add "icon-white" to make them white; this icon class is added to the <i> in the header
            sortNone   : 'bootstrap-icon-unsorted',
            sortAsc    : 'icon-chevron-up glyphicon glyphicon-chevron-up',
            sortDesc   : 'icon-chevron-down glyphicon glyphicon-chevron-down',
            active     : '', // applied when column is sorted
            hover      : '', // use custom css here - bootstrap class may not override it
            filterRow  : '', // filter row class
            even       : '', // even row zebra striping
            odd        : ''  // odd row zebra striping
        },
        "jui" : {
            table      : 'ui-widget ui-widget-content ui-corner-all', // table classes
            caption    : 'ui-widget-content',
            header     : 'ui-widget-header ui-corner-all ui-state-default', // header classes
            footerRow  : '',
            footerCells: '',
            icons      : 'ui-icon', // icon class added to the <i> in the header
            sortNone   : 'ui-icon-carat-2-n-s',
            sortAsc    : 'ui-icon-carat-1-n',
            sortDesc   : 'ui-icon-carat-1-s',
            active     : 'ui-state-active', // applied when column is sorted
            hover      : 'ui-state-hover',  // hover class
            filterRow  : '',
            even       : 'ui-widget-content', // even row zebra striping
            odd        : 'ui-state-default'   // odd row zebra striping
        }
    };

    $.extend(ts.css, {
        filterRow : 'tablesorter-filter-row',   // filter
        filter    : 'tablesorter-filter',
        wrapper   : 'tablesorter-wrapper',      // ui theme & resizable
        resizer   : 'tablesorter-resizer',      // resizable
        sticky    : 'tablesorter-stickyHeader', // stickyHeader
        stickyVis : 'tablesorter-sticky-visible',
        stickyWrap: 'tablesorter-sticky-wrapper'
    });

// *** Store data in local storage, with a cookie fallback ***
    /* IE7 needs JSON library for JSON.stringify - (http://caniuse.com/#search=json)
     if you need it, then include https://github.com/douglascrockford/JSON-js

     $.parseJSON is not available is jQuery versions older than 1.4.1, using older
     versions will only allow storing information for one page at a time

     // *** Save data (JSON format only) ***
     // val must be valid JSON... use http://jsonlint.com/ to ensure it is valid
     var val = { "mywidget" : "data1" }; // valid JSON uses double quotes
     // $.tablesorter.storage(table, key, val);
     $.tablesorter.storage(table, 'tablesorter-mywidget', val);

     // *** Get data: $.tablesorter.storage(table, key); ***
     v = $.tablesorter.storage(table, 'tablesorter-mywidget');
     // val may be empty, so also check for your data
     val = (v && v.hasOwnProperty('mywidget')) ? v.mywidget : '';
     alert(val); // "data1" if saved, or "" if not
     */
    ts.storage = function(table, key, value, options) {
        table = $(table)[0];
        var cookieIndex, cookies, date,
            hasLocalStorage = false,
            values = {},
            c = table.config,
            $table = $(table),
            id = options && options.id || $table.attr(options && options.group ||
                'data-table-group') || table.id || $('.tablesorter').index( $table ),
            url = options && options.url || $table.attr(options && options.page ||
                'data-table-page') || c && c.fixedUrl || window.location.pathname;
        // https://gist.github.com/paulirish/5558557
        if ("localStorage" in window) {
            try {
                window.localStorage.setItem('_tmptest', 'temp');
                hasLocalStorage = true;
                window.localStorage.removeItem('_tmptest');
            } catch(error) {}
        }
        // *** get value ***
        if ($.parseJSON) {
            if (hasLocalStorage) {
                values = $.parseJSON(localStorage[key] || '{}');
            } else {
                // old browser, using cookies
                cookies = document.cookie.split(/[;\s|=]/);
                // add one to get from the key to the value
                cookieIndex = $.inArray(key, cookies) + 1;
                values = (cookieIndex !== 0) ? $.parseJSON(cookies[cookieIndex] || '{}') : {};
            }
        }
        // allow value to be an empty string too
        if ((value || value === '') && window.JSON && JSON.hasOwnProperty('stringify')) {
            // add unique identifiers = url pathname > table ID/index on page > data
            if (!values[url]) {
                values[url] = {};
            }
            values[url][id] = value;
            // *** set value ***
            if (hasLocalStorage) {
                localStorage[key] = JSON.stringify(values);
            } else {
                date = new Date();
                date.setTime(date.getTime() + (31536e+6)); // 365 days
                document.cookie = key + '=' + (JSON.stringify(values)).replace(/\"/g,'\"') + '; expires=' + date.toGMTString() + '; path=/';
            }
        } else {
            return values && values[url] ? values[url][id] : '';
        }
    };

// Add a resize event to table headers
// **************************
    ts.addHeaderResizeEvent = function(table, disable, settings) {
        table = $(table)[0]; // make sure we're usig a dom element
        var headers,
            defaults = {
                timer : 250
            },
            options = $.extend({}, defaults, settings),
            c = table.config,
            wo = c.widgetOptions,
            checkSizes = function(triggerEvent) {
                wo.resize_flag = true;
                headers = [];
                c.$headers.each(function() {
                    var $header = $(this),
                        sizes = $header.data('savedSizes') || [0,0], // fixes #394
                        width = this.offsetWidth,
                        height = this.offsetHeight;
                    if (width !== sizes[0] || height !== sizes[1]) {
                        $header.data('savedSizes', [ width, height ]);
                        headers.push(this);
                    }
                });
                if (headers.length && triggerEvent !== false) {
                    c.$table.trigger('resize', [ headers ]);
                }
                wo.resize_flag = false;
            };
        checkSizes(false);
        clearInterval(wo.resize_timer);
        if (disable) {
            wo.resize_flag = false;
            return false;
        }
        wo.resize_timer = setInterval(function() {
            if (wo.resize_flag) { return; }
            checkSizes();
        }, options.timer);
    };

// Widget: General UI theme
// "uitheme" option in "widgetOptions"
// **************************
    ts.addWidget({
        id: "uitheme",
        priority: 10,
        format: function(table, c, wo) {
            var i, time, classes, $header, $icon, $tfoot, $h, oldtheme, oldremove,
                themesAll = ts.themes,
                $table = c.$table,
                $headers = c.$headers,
                theme = c.theme || 'jui',
                themes = themesAll[theme] || themesAll.jui,
                remove = [ themes.sortNone, themes.sortDesc, themes.sortAsc, themes.active ].join( ' ' );
            if (c.debug) { time = new Date(); }
            // initialization code - run once
            if (!$table.hasClass('tablesorter-' + theme) || c.theme !== c.appliedTheme || !table.hasInitialized) {
                oldtheme = themes[c.appliedTheme] || {};
                oldremove = oldtheme ? [ oldtheme.sortNone, oldtheme.sortDesc, oldtheme.sortAsc, oldtheme.active ].join( ' ' ) : '';
                if (oldtheme) {
                    wo.zebra[0] = wo.zebra[0].replace(' ' + oldtheme.even, '');
                    wo.zebra[1] = wo.zebra[1].replace(' ' + oldtheme.odd, '');
                }
                // update zebra stripes
                if (themes.even !== '') { wo.zebra[0] += ' ' + themes.even; }
                if (themes.odd !== '') { wo.zebra[1] += ' ' + themes.odd; }
                // add caption style
                $table.children('caption').removeClass(oldtheme.caption).addClass(themes.caption);
                // add table/footer class names
                $tfoot = $table
                    // remove other selected themes
                    .removeClass( c.appliedTheme ? 'tablesorter-' + ( c.appliedTheme || '' ) : '' )
                    .addClass('tablesorter-' + theme + ' ' + themes.table) // add theme widget class name
                    .children('tfoot');
                if ($tfoot.length) {
                    $tfoot
                        // if oldtheme.footerRow or oldtheme.footerCells are undefined, all class names are removed
                        .children('tr').removeClass(oldtheme.footerRow || '').addClass(themes.footerRow)
                        .children('th, td').removeClass(oldtheme.footerCells || '').addClass(themes.footerCells);
                }
                // update header classes
                $headers
                    .add(c.$extraHeaders)
                    .removeClass(oldtheme.header + ' ' + oldtheme.hover + ' ' + oldremove)
                    .addClass(themes.header)
                    .not('.sorter-false')
                    .bind('mouseenter.tsuitheme mouseleave.tsuitheme', function(event) {
                        // toggleClass with switch added in jQuery 1.3
                        $(this)[ event.type === 'mouseenter' ? 'addClass' : 'removeClass' ](themes.hover);
                    });
                if (!$headers.find('.' + ts.css.wrapper).length) {
                    // Firefox needs this inner div to position the resizer correctly
                    $headers.wrapInner('<div class="' + ts.css.wrapper + '" style="position:relative;height:100%;width:100%"></div>');
                }
                if (c.cssIcon) {
                    // if c.cssIcon is '', then no <i> is added to the header
                    $headers.find('.' + ts.css.icon).removeClass(oldtheme.icons + ' ' + oldremove).addClass(themes.icons);
                }
                if ($table.hasClass('hasFilters')) {
                    $table.children('thead').children('.' + ts.css.filterRow).removeClass(oldtheme.filterRow).addClass(themes.filterRow);
                }
                c.appliedTheme = c.theme;
            }
            for (i = 0; i < c.columns; i++) {
                $header = c.$headers.add(c.$extraHeaders).not('.sorter-false').filter('[data-column="' + i + '"]');
                $icon = (ts.css.icon) ? $header.find('.' + ts.css.icon) : $header;
                $h = $headers.not('.sorter-false').filter('[data-column="' + i + '"]:last');
                if ($h.length) {
                    if ($h[0].sortDisabled) {
                        // no sort arrows for disabled columns!
                        $header.removeClass(remove);
                        $icon.removeClass(remove + ' ' + themes.icons);
                    } else {
                        classes = ($header.hasClass(ts.css.sortAsc)) ?
                            themes.sortAsc :
                            ($header.hasClass(ts.css.sortDesc)) ? themes.sortDesc :
                                $header.hasClass(ts.css.header) ? themes.sortNone : '';
                        $header[classes === themes.sortNone ? 'removeClass' : 'addClass'](themes.active);
                        $icon.removeClass(remove).addClass(classes);
                    }
                }
            }
            if (c.debug) {
                ts.benchmark("Applying " + theme + " theme", time);
            }
        },
        remove: function(table, c) {
            var $table = c.$table,
                theme = c.theme || 'jui',
                themes = ts.themes[ theme ] || ts.themes.jui,
                $headers = $table.children('thead').children(),
                remove = themes.sortNone + ' ' + themes.sortDesc + ' ' + themes.sortAsc;
            $table
                .removeClass('tablesorter-' + theme + ' ' + themes.table)
                .find(ts.css.header).removeClass(themes.header);
            $headers
                .unbind('mouseenter.tsuitheme mouseleave.tsuitheme') // remove hover
                .removeClass(themes.hover + ' ' + remove + ' ' + themes.active)
                .find('.' + ts.css.filterRow)
                .removeClass(themes.filterRow);
            $headers.find('.' + ts.css.icon).removeClass(themes.icons);
        }
    });

// Widget: Column styles
// "columns", "columns_thead" (true) and
// "columns_tfoot" (true) options in "widgetOptions"
// **************************
    ts.addWidget({
        id: "columns",
        priority: 30,
        options : {
            columns : [ "primary", "secondary", "tertiary" ]
        },
        format: function(table, c, wo) {
            var $tbody, tbodyIndex, $rows, rows, $row, $cells, remove, indx,
                $table = c.$table,
                $tbodies = c.$tbodies,
                sortList = c.sortList,
                len = sortList.length,
            // removed c.widgetColumns support
                css = wo && wo.columns || [ "primary", "secondary", "tertiary" ],
                last = css.length - 1;
            remove = css.join(' ');
            // check if there is a sort (on initialization there may not be one)
            for (tbodyIndex = 0; tbodyIndex < $tbodies.length; tbodyIndex++ ) {
                $tbody = ts.processTbody(table, $tbodies.eq(tbodyIndex), true); // detach tbody
                $rows = $tbody.children('tr');
                // loop through the visible rows
                $rows.each(function() {
                    $row = $(this);
                    if (this.style.display !== 'none') {
                        // remove all columns class names
                        $cells = $row.children().removeClass(remove);
                        // add appropriate column class names
                        if (sortList && sortList[0]) {
                            // primary sort column class
                            $cells.eq(sortList[0][0]).addClass(css[0]);
                            if (len > 1) {
                                for (indx = 1; indx < len; indx++) {
                                    // secondary, tertiary, etc sort column classes
                                    $cells.eq(sortList[indx][0]).addClass( css[indx] || css[last] );
                                }
                            }
                        }
                    }
                });
                ts.processTbody(table, $tbody, false);
            }
            // add classes to thead and tfoot
            rows = wo.columns_thead !== false ? ['thead tr'] : [];
            if (wo.columns_tfoot !== false) {
                rows.push('tfoot tr');
            }
            if (rows.length) {
                $rows = $table.find( rows.join(',') ).children().removeClass(remove);
                if (len) {
                    for (indx = 0; indx < len; indx++) {
                        // add primary. secondary, tertiary, etc sort column classes
                        $rows.filter('[data-column="' + sortList[indx][0] + '"]').addClass(css[indx] || css[last]);
                    }
                }
            }
        },
        remove: function(table, c, wo) {
            var tbodyIndex, $tbody,
                $tbodies = c.$tbodies,
                remove = (wo.columns || [ "primary", "secondary", "tertiary" ]).join(' ');
            c.$headers.removeClass(remove);
            c.$table.children('tfoot').children('tr').children('th, td').removeClass(remove);
            for (tbodyIndex = 0; tbodyIndex < $tbodies.length; tbodyIndex++ ) {
                $tbody = ts.processTbody(table, $tbodies.eq(tbodyIndex), true); // remove tbody
                $tbody.children('tr').each(function() {
                    $(this).children().removeClass(remove);
                });
                ts.processTbody(table, $tbody, false); // restore tbody
            }
        }
    });

// Widget: filter
// **************************
    ts.addWidget({
        id: "filter",
        priority: 50,
        options : {
            filter_childRows     : false, // if true, filter includes child row content in the search
            filter_columnFilters : true,  // if true, a filter will be added to the top of each table column
            filter_cellFilter    : '',    // css class name added to the filter cell (string or array)
            filter_cssFilter     : '',    // css class name added to the filter row & each input in the row (tablesorter-filter is ALWAYS added)
            filter_defaultFilter : {},    // add a default column filter type "~{query}" to make fuzzy searches default; "{q1} AND {q2}" to make all searches use a logical AND.
            filter_excludeFilter : {},    // filters to exclude, per column
            filter_external      : '',    // jQuery selector string (or jQuery object) of external filters
            filter_filteredRow   : 'filtered', // class added to filtered rows; needed by pager plugin
            filter_formatter     : null,  // add custom filter elements to the filter row
            filter_functions     : null,  // add custom filter functions using this option
            filter_hideEmpty     : true,  // hide filter row when table is empty
            filter_hideFilters   : false, // collapse filter row when mouse leaves the area
            filter_ignoreCase    : true,  // if true, make all searches case-insensitive
            filter_liveSearch    : true,  // if true, search column content while the user types (with a delay)
            filter_onlyAvail     : 'filter-onlyAvail', // a header with a select dropdown & this class name will only show available (visible) options within the drop down
            filter_placeholder   : { search : '', select : '' }, // default placeholder text (overridden by any header "data-placeholder" setting)
            filter_reset         : null,  // jQuery selector string of an element used to reset the filters
            filter_saveFilters   : false, // Use the $.tablesorter.storage utility to save the most recent filters
            filter_searchDelay   : 300,   // typing delay in milliseconds before starting a search
            filter_searchFiltered: true,  // allow searching through already filtered rows in special circumstances; will speed up searching in large tables if true
            filter_selectSource  : null,  // include a function to return an array of values to be added to the column filter select
            filter_startsWith    : false, // if true, filter start from the beginning of the cell contents
            filter_useParsedData : false, // filter all data using parsed content
            filter_serversideFiltering : false, // if true, server-side filtering should be performed because client-side filtering will be disabled, but the ui and events will still be used.
            filter_defaultAttrib : 'data-value', // data attribute in the header cell that contains the default filter value
            filter_selectSourceSeparator : '|' // filter_selectSource array text left of the separator is added to the option value, right into the option text
        },
        format: function(table, c, wo) {
            if (!c.$table.hasClass('hasFilters')) {
                ts.filter.init(table, c, wo);
            }
        },
        remove: function(table, c, wo) {
            var tbodyIndex, $tbody,
                $table = c.$table,
                $tbodies = c.$tbodies;
            $table
                .removeClass('hasFilters')
                // add .tsfilter namespace to all BUT search
                .unbind('addRows updateCell update updateRows updateComplete appendCache filterReset filterEnd search '.split(' ').join(c.namespace + 'filter '))
                .find('.' + ts.css.filterRow).remove();
            for (tbodyIndex = 0; tbodyIndex < $tbodies.length; tbodyIndex++ ) {
                $tbody = ts.processTbody(table, $tbodies.eq(tbodyIndex), true); // remove tbody
                $tbody.children().removeClass(wo.filter_filteredRow).show();
                ts.processTbody(table, $tbody, false); // restore tbody
            }
            if (wo.filter_reset) {
                $(document).undelegate(wo.filter_reset, 'click.tsfilter');
            }
        }
    });

    ts.filter = {

        // regex used in filter "check" functions - not for general use and not documented
        regex: {
            regex     : /^\/((?:\\\/|[^\/])+)\/([mig]{0,3})?$/, // regex to test for regex
            child     : /tablesorter-childRow/, // child row class name; this gets updated in the script
            filtered  : /filtered/, // filtered (hidden) row class name; updated in the script
            type      : /undefined|number/, // check type
            exact     : /(^[\"\'=]+)|([\"\'=]+$)/g, // exact match (allow '==')
            nondigit  : /[^\w,. \-()]/g, // replace non-digits (from digit & currency parser)
            operators : /[<>=]/g, // replace operators
            query     : '(q|query)' // replace filter queries
        },
        // function( c, data ) { }
        // c = table.config
        // data.filter = array of filter input values;
        // data.iFilter = same array, except lowercase (if wo.filter_ignoreCase is true)
        // data.exact = table cell text (or parsed data if column parser enabled)
        // data.iExact = same as data.exact, except lowercase (if wo.filter_ignoreCase is true)
        // data.cache = table cell text from cache, so it has been parsed (& in all lower case if config.ignoreCase is true)
        // data.index = column index; table = table element (DOM)
        // data.parsed = array (by column) of boolean values (from filter_useParsedData or "filter-parsed" class)
        types: {
            // Look for regex
            regex: function( c, data ) {
                if ( ts.filter.regex.regex.test(data.iFilter) ) {
                    var matches,
                        regex = ts.filter.regex.regex.exec(data.iFilter);
                    try {
                        matches = new RegExp(regex[1], regex[2]).test( data.iExact );
                    } catch (error) {
                        matches = false;
                    }
                    return matches;
                }
                return null;
            },
            // Look for operators >, >=, < or <=
            operators: function( c, data ) {
                if ( /^[<>]=?/.test(data.iFilter) ) {
                    var cachedValue, result,
                        table = c.table,
                        index = data.index,
                        parsed = data.parsed[index],
                        query = ts.formatFloat( data.iFilter.replace(ts.filter.regex.operators, ''), table ),
                        parser = c.parsers[index],
                        savedSearch = query;
                    // parse filter value in case we're comparing numbers (dates)
                    if (parsed || parser.type === 'numeric') {
                        result = ts.filter.parseFilter(c, $.trim('' + data.iFilter.replace(ts.filter.regex.operators, '')), index, parsed, true);
                        query = ( typeof result === "number" && result !== '' && !isNaN(result) ) ? result : query;
                    }

                    // iExact may be numeric - see issue #149;
                    // check if cached is defined, because sometimes j goes out of range? (numeric columns)
                    cachedValue = ( parsed || parser.type === 'numeric' ) && !isNaN(query) && typeof data.cache !== 'undefined' ? data.cache :
                        isNaN(data.iExact) ? ts.formatFloat( data.iExact.replace(ts.filter.regex.nondigit, ''), table) :
                            ts.formatFloat( data.iExact, table );

                    if ( />/.test(data.iFilter) ) { result = />=/.test(data.iFilter) ? cachedValue >= query : cachedValue > query; }
                    if ( /</.test(data.iFilter) ) { result = /<=/.test(data.iFilter) ? cachedValue <= query : cachedValue < query; }
                    // keep showing all rows if nothing follows the operator
                    if ( !result && savedSearch === '' ) { result = true; }
                    return result;
                }
                return null;
            },
            // Look for a not match
            notMatch: function( c, data ) {
                if ( /^\!/.test(data.iFilter) ) {
                    var indx,
                        filter = ts.filter.parseFilter(c, data.iFilter.replace('!', ''), data.index, data.parsed[data.index]);
                    if (ts.filter.regex.exact.test(filter)) {
                        // look for exact not matches - see #628
                        filter = filter.replace(ts.filter.regex.exact, '');
                        return filter === '' ? true : $.trim(filter) !== data.iExact;
                    } else {
                        indx = data.iExact.search( $.trim(filter) );
                        return filter === '' ? true : !(c.widgetOptions.filter_startsWith ? indx === 0 : indx >= 0);
                    }
                }
                return null;
            },
            // Look for quotes or equals to get an exact match; ignore type since iExact could be numeric
            exact: function( c, data ) {
                /*jshint eqeqeq:false */
                if (ts.filter.regex.exact.test(data.iFilter)) {
                    var filter = ts.filter.parseFilter(c, data.iFilter.replace(ts.filter.regex.exact, ''), data.index, data.parsed[data.index]);
                    return data.anyMatch ? $.inArray(filter, data.rowArray) >= 0 : filter == data.iExact;
                }
                return null;
            },
            // Look for an AND or && operator (logical and)
            and : function( c, data ) {
                if ( ts.filter.regex.andTest.test(data.filter) ) {
                    var index = data.index,
                        parsed = data.parsed[index],
                        query = data.iFilter.split( ts.filter.regex.andSplit ),
                        result = data.iExact.search( $.trim( ts.filter.parseFilter(c, query[0], index, parsed) ) ) >= 0,
                        indx = query.length - 1;
                    while (result && indx) {
                        result = result && data.iExact.search( $.trim( ts.filter.parseFilter(c, query[indx], index, parsed) ) ) >= 0;
                        indx--;
                    }
                    return result;
                }
                return null;
            },
            // Look for a range (using " to " or " - ") - see issue #166; thanks matzhu!
            range : function( c, data ) {
                if ( ts.filter.regex.toTest.test(data.iFilter) ) {
                    var result, tmp,
                        table = c.table,
                        index = data.index,
                        parsed = data.parsed[index],
                    // make sure the dash is for a range and not indicating a negative number
                        query = data.iFilter.split( ts.filter.regex.toSplit ),
                        range1 = ts.formatFloat( ts.filter.parseFilter(c, query[0].replace(ts.filter.regex.nondigit, ''), index, parsed), table ),
                        range2 = ts.formatFloat( ts.filter.parseFilter(c, query[1].replace(ts.filter.regex.nondigit, ''), index, parsed), table );
                    // parse filter value in case we're comparing numbers (dates)
                    if (parsed || c.parsers[index].type === 'numeric') {
                        result = c.parsers[index].format('' + query[0], table, c.$headers.eq(index), index);
                        range1 = (result !== '' && !isNaN(result)) ? result : range1;
                        result = c.parsers[index].format('' + query[1], table, c.$headers.eq(index), index);
                        range2 = (result !== '' && !isNaN(result)) ? result : range2;
                    }
                    result = ( parsed || c.parsers[index].type === 'numeric' ) && !isNaN(range1) && !isNaN(range2) ? data.cache :
                        isNaN(data.iExact) ? ts.formatFloat( data.iExact.replace(ts.filter.regex.nondigit, ''), table) :
                            ts.formatFloat( data.iExact, table );
                    if (range1 > range2) { tmp = range1; range1 = range2; range2 = tmp; } // swap
                    return (result >= range1 && result <= range2) || (range1 === '' || range2 === '');
                }
                return null;
            },
            // Look for wild card: ? = single, * = multiple, or | = logical OR
            wild : function( c, data ) {
                if ( /[\?\*\|]/.test(data.iFilter) || ts.filter.regex.orReplace.test(data.filter) ) {
                    var index = data.index,
                        parsed = data.parsed[index],
                        query = ts.filter.parseFilter(c, data.iFilter.replace(ts.filter.regex.orReplace, "|"), index, parsed);
                    // look for an exact match with the "or" unless the "filter-match" class is found
                    if (!c.$headers.filter('[data-column="' + index + '"]:last').hasClass('filter-match') && /\|/.test(query)) {
                        // show all results while using filter match. Fixes #727
                        if (query[ query.length - 1 ] === '|') { query += '*'; }
                        query = data.anyMatch && $.isArray(data.rowArray) ? '(' + query + ')' : '^(' + query + ')$';
                    }
                    // parsing the filter may not work properly when using wildcards =/
                    return new RegExp( query.replace(/\?/g, '\\S{1}').replace(/\*/g, '\\S*') ).test(data.iExact);
                }
                return null;
            },
            // fuzzy text search; modified from https://github.com/mattyork/fuzzy (MIT license)
            fuzzy: function( c, data ) {
                if ( /^~/.test(data.iFilter) ) {
                    var indx,
                        patternIndx = 0,
                        len = data.iExact.length,
                        pattern = ts.filter.parseFilter(c, data.iFilter.slice(1), data.index, data.parsed[data.index]);
                    for (indx = 0; indx < len; indx++) {
                        if (data.iExact[indx] === pattern[patternIndx]) {
                            patternIndx += 1;
                        }
                    }
                    if (patternIndx === pattern.length) {
                        return true;
                    }
                    return false;
                }
                return null;
            }
        },
        init: function(table, c, wo) {
            // filter language options
            ts.language = $.extend(true, {}, {
                to  : 'to',
                or  : 'or',
                and : 'and'
            }, ts.language);

            var options, string, txt, $header, column, filters, val, fxn, noSelect,
                regex = ts.filter.regex;
            c.$table.addClass('hasFilters');

            // define timers so using clearTimeout won't cause an undefined error
            wo.searchTimer = null;
            wo.filter_initTimer = null;
            wo.filter_formatterCount = 0;
            wo.filter_formatterInit = [];
            wo.filter_anyColumnSelector = '[data-column="all"],[data-column="any"]';
            wo.filter_multipleColumnSelector = '[data-column*="-"],[data-column*=","]';

            txt = '\\{' + ts.filter.regex.query + '\\}';
            $.extend( regex, {
                child : new RegExp(c.cssChildRow),
                filtered : new RegExp(wo.filter_filteredRow),
                alreadyFiltered : new RegExp('(\\s+(' + ts.language.or + '|-|' + ts.language.to + ')\\s+)', 'i'),
                toTest : new RegExp('\\s+(-|' + ts.language.to + ')\\s+', 'i'),
                toSplit : new RegExp('(?:\\s+(?:-|' + ts.language.to + ')\\s+)' ,'gi'),
                andTest : new RegExp('\\s+(' + ts.language.and + '|&&)\\s+', 'i'),
                andSplit : new RegExp('(?:\\s+(?:' + ts.language.and + '|&&)\\s+)', 'gi'),
                orReplace : new RegExp('\\s+(' + ts.language.or + ')\\s+', 'gi'),
                iQuery : new RegExp(txt, 'i'),
                igQuery : new RegExp(txt, 'ig')
            });

            // don't build filter row if columnFilters is false or all columns are set to "filter-false" - issue #156
            if (wo.filter_columnFilters !== false && c.$headers.filter('.filter-false, .parser-false').length !== c.$headers.length) {
                // build filter row
                ts.filter.buildRow(table, c, wo);
            }

            c.$table.bind('addRows updateCell update updateRows updateComplete appendCache filterReset filterEnd search '.split(' ').join(c.namespace + 'filter '), function(event, filter) {
                c.$table.find('.' + ts.css.filterRow).toggle( !(wo.filter_hideEmpty && $.isEmptyObject(c.cache) && !(c.delayInit && event.type === 'appendCache')) ); // fixes #450
                if ( !/(search|filter)/.test(event.type) ) {
                    event.stopPropagation();
                    ts.filter.buildDefault(table, true);
                }
                if (event.type === 'filterReset') {
                    c.$table.find('.' + ts.css.filter).add(wo.filter_$externalFilters).val('');
                    ts.filter.searching(table, []);
                } else if (event.type === 'filterEnd') {
                    ts.filter.buildDefault(table, true);
                } else {
                    // send false argument to force a new search; otherwise if the filter hasn't changed, it will return
                    filter = event.type === 'search' ? filter : event.type === 'updateComplete' ? c.$table.data('lastSearch') : '';
                    if (/(update|add)/.test(event.type) && event.type !== "updateComplete") {
                        // force a new search since content has changed
                        c.lastCombinedFilter = null;
                        c.lastSearch = [];
                    }
                    // pass true (skipFirst) to prevent the tablesorter.setFilters function from skipping the first input
                    // ensures all inputs are updated when a search is triggered on the table $('table').trigger('search', [...]);
                    ts.filter.searching(table, filter, true);
                }
                return false;
            });

            // reset button/link
            if (wo.filter_reset) {
                if (wo.filter_reset instanceof $) {
                    // reset contains a jQuery object, bind to it
                    wo.filter_reset.click(function(){
                        c.$table.trigger('filterReset');
                    });
                } else if ($(wo.filter_reset).length) {
                    // reset is a jQuery selector, use event delegation
                    $(document)
                        .undelegate(wo.filter_reset, 'click.tsfilter')
                        .delegate(wo.filter_reset, 'click.tsfilter', function() {
                            // trigger a reset event, so other functions (filter_formatter) know when to reset
                            c.$table.trigger('filterReset');
                        });
                }
            }
            if (wo.filter_functions) {
                for (column = 0; column < c.columns; column++) {
                    fxn = ts.getColumnData( table, wo.filter_functions, column );
                    if (fxn) {
                        // remove "filter-select" from header otherwise the options added here are replaced with all options
                        $header = c.$headers.filter('[data-column="' + column + '"]:last').removeClass('filter-select');
                        // don't build select if "filter-false" or "parser-false" set
                        noSelect = !($header.hasClass('filter-false') || $header.hasClass('parser-false'));
                        options = '';
                        if ( fxn === true && noSelect ) {
                            ts.filter.buildSelect(table, column);
                        } else if ( typeof fxn === 'object' && noSelect ) {
                            // add custom drop down list
                            for (string in fxn) {
                                if (typeof string === 'string') {
                                    options += options === '' ?
                                        '<option value="">' + ($header.data('placeholder') || $header.attr('data-placeholder') || wo.filter_placeholder.select || '') + '</option>' : '';
                                    val = string;
                                    txt = string;
                                    if (string.indexOf(wo.filter_selectSourceSeparator) >= 0) {
                                        val = string.split(wo.filter_selectSourceSeparator);
                                        txt = val[1];
                                        val = val[0];
                                    }
                                    options += '<option ' + (txt === val ? '' : 'data-function-name="' + string + '" ') + 'value="' + val + '">' + txt + '</option>';
                                }
                            }
                            c.$table.find('thead').find('select.' + ts.css.filter + '[data-column="' + column + '"]').append(options);
                        }
                    }
                }
            }
            // not really updating, but if the column has both the "filter-select" class & filter_functions set to true,
            // it would append the same options twice.
            ts.filter.buildDefault(table, true);

            ts.filter.bindSearch( table, c.$table.find('.' + ts.css.filter), true );
            if (wo.filter_external) {
                ts.filter.bindSearch( table, wo.filter_external );
            }

            if (wo.filter_hideFilters) {
                ts.filter.hideFilters(table, c);
            }

            // show processing icon
            if (c.showProcessing) {
                c.$table.bind('filterStart' + c.namespace + 'filter filterEnd' + c.namespace + 'filter', function(event, columns) {
                    // only add processing to certain columns to all columns
                    $header = (columns) ? c.$table.find('.' + ts.css.header).filter('[data-column]').filter(function() {
                        return columns[$(this).data('column')] !== '';
                    }) : '';
                    ts.isProcessing(table, event.type === 'filterStart', columns ? $header : '');
                });
            }

            // set filtered rows count (intially unfiltered)
            c.filteredRows = c.totalRows;

            // add default values
            c.$table.bind('tablesorter-initialized pagerBeforeInitialized', function() {
                // redefine "wo" as it does not update properly inside this callback
                var wo = this.config.widgetOptions;
                filters = ts.filter.setDefaults(table, c, wo) || [];
                if (filters.length) {
                    // prevent delayInit from triggering a cache build if filters are empty
                    if ( !(c.delayInit && filters.join('') === '') ) {
                        ts.setFilters(table, filters, true);
                    }
                }
                c.$table.trigger('filterFomatterUpdate');
                // trigger init after setTimeout to prevent multiple filterStart/End/Init triggers
                setTimeout(function(){
                    if (!wo.filter_initialized) {
                        ts.filter.filterInitComplete(c);
                    }
                }, 100);
            });
            // if filter widget is added after pager has initialized; then set filter init flag
            if (c.pager && c.pager.initialized && !wo.filter_initialized) {
                c.$table.trigger('filterFomatterUpdate');
                setTimeout(function(){
                    ts.filter.filterInitComplete(c);
                }, 100);
            }
        },
        // $cell parameter, but not the config, is passed to the
        // filter_formatters, so we have to work with it instead
        formatterUpdated: function($cell, column) {
            var wo = $cell.closest('table')[0].config.widgetOptions;
            if (!wo.filter_initialized) {
                // add updates by column since this function
                // may be called numerous times before initialization
                wo.filter_formatterInit[column] = 1;
            }
        },
        filterInitComplete: function(c){
            var wo = c.widgetOptions,
                count = 0,
                completed = function(){
                    wo.filter_initialized = true;
                    c.$table.trigger('filterInit', c);
                    ts.filter.findRows(c.table, c.$table.data('lastSearch') || []);
                };
            if ( $.isEmptyObject( wo.filter_formatter ) ) {
                completed();
            } else {
                $.each( wo.filter_formatterInit, function(i, val) {
                    if (val === 1) {
                        count++;
                    }
                });
                clearTimeout(wo.filter_initTimer);
                if (!wo.filter_initialized && count === wo.filter_formatterCount) {
                    // filter widget initialized
                    completed();
                } else if (!wo.filter_initialized) {
                    // fall back in case a filter_formatter doesn't call
                    // $.tablesorter.filter.formatterUpdated($cell, column), and the count is off
                    wo.filter_initTimer = setTimeout(function(){
                        completed();
                    }, 500);
                }
            }
        },

        setDefaults: function(table, c, wo) {
            var isArray, saved, indx,
            // get current (default) filters
                filters = ts.getFilters(table) || [];
            if (wo.filter_saveFilters && ts.storage) {
                saved = ts.storage( table, 'tablesorter-filters' ) || [];
                isArray = $.isArray(saved);
                // make sure we're not just getting an empty array
                if ( !(isArray && saved.join('') === '' || !isArray) ) { filters = saved; }
            }
            // if no filters saved, then check default settings
            if (filters.join('') === '') {
                for (indx = 0; indx < c.columns; indx++) {
                    filters[indx] = c.$headers.filter('[data-column="' + indx + '"]:last').attr(wo.filter_defaultAttrib) || filters[indx];
                }
            }
            c.$table.data('lastSearch', filters);
            return filters;
        },
        parseFilter: function(c, filter, column, parsed, forceParse){
            return forceParse || parsed ?
                c.parsers[column].format( filter, c.table, [], column ) :
                filter;
        },
        buildRow: function(table, c, wo) {
            var col, column, $header, buildSelect, disabled, name, ffxn,
            // c.columns defined in computeThIndexes()
                columns = c.columns,
                arry = $.isArray(wo.filter_cellFilter),
                buildFilter = '<tr role="row" class="' + ts.css.filterRow + '">';
            for (column = 0; column < columns; column++) {
                if (arry) {
                    buildFilter += '<td' + ( wo.filter_cellFilter[column] ? ' class="' + wo.filter_cellFilter[column] + '"' : '' ) + '></td>';
                } else {
                    buildFilter += '<td' + ( wo.filter_cellFilter !== '' ? ' class="' + wo.filter_cellFilter + '"' : '' ) + '></td>';
                }
            }
            c.$filters = $(buildFilter += '</tr>').appendTo( c.$table.children('thead').eq(0) ).find('td');
            // build each filter input
            for (column = 0; column < columns; column++) {
                disabled = false;
                // assuming last cell of a column is the main column
                $header = c.$headers.filter('[data-column="' + column + '"]:last');
                ffxn = ts.getColumnData( table, wo.filter_functions, column );
                buildSelect = (wo.filter_functions && ffxn && typeof ffxn !== "function" ) ||
                    $header.hasClass('filter-select');
                // get data from jQuery data, metadata, headers option or header class name
                col = ts.getColumnData( table, c.headers, column );
                disabled = ts.getData($header[0], col, 'filter') === 'false' || ts.getData($header[0], col, 'parser') === 'false';

                if (buildSelect) {
                    buildFilter = $('<select>').appendTo( c.$filters.eq(column) );
                } else {
                    ffxn = ts.getColumnData( table, wo.filter_formatter, column );
                    if (ffxn) {
                        wo.filter_formatterCount++;
                        buildFilter = ffxn( c.$filters.eq(column), column );
                        // no element returned, so lets go find it
                        if (buildFilter && buildFilter.length === 0) {
                            buildFilter = c.$filters.eq(column).children('input');
                        }
                        // element not in DOM, so lets attach it
                        if ( buildFilter && (buildFilter.parent().length === 0 ||
                            (buildFilter.parent().length && buildFilter.parent()[0] !== c.$filters[column])) ) {
                            c.$filters.eq(column).append(buildFilter);
                        }
                    } else {
                        buildFilter = $('<input type="search">').appendTo( c.$filters.eq(column) );
                    }
                    if (buildFilter) {
                        buildFilter.attr('placeholder', $header.data('placeholder') || $header.attr('data-placeholder') || wo.filter_placeholder.search || '');
                    }
                }
                if (buildFilter) {
                    // add filter class name
                    name = ( $.isArray(wo.filter_cssFilter) ?
                        (typeof wo.filter_cssFilter[column] !== 'undefined' ? wo.filter_cssFilter[column] || '' : '') :
                        wo.filter_cssFilter ) || '';
                    buildFilter.addClass( ts.css.filter + ' ' + name ).attr('data-column', column);
                    if (disabled) {
                        buildFilter.attr('placeholder', '').addClass('disabled')[0].disabled = true; // disabled!
                    }
                }
            }
        },
        bindSearch: function(table, $el, internal) {
            table = $(table)[0];
            $el = $($el); // allow passing a selector string
            if (!$el.length) { return; }
            var c = table.config,
                wo = c.widgetOptions,
                $ext = wo.filter_$externalFilters;
            if (internal !== true) {
                // save anyMatch element
                wo.filter_$anyMatch = $el.filter(wo.filter_anyColumnSelector + ',' + wo.filter_multipleColumnSelector);
                if ($ext && $ext.length) {
                    wo.filter_$externalFilters = wo.filter_$externalFilters.add( $el );
                } else {
                    wo.filter_$externalFilters = $el;
                }
                // update values (external filters added after table initialization)
                ts.setFilters(table, c.$table.data('lastSearch') || [], internal === false);
            }
            $el
                // use data attribute instead of jQuery data since the head is cloned without including the data/binding
                .attr('data-lastSearchTime', new Date().getTime())
                .unbind('keypress keyup search change '.split(' ').join(c.namespace + 'filter '))
                // include change for select - fixes #473
                .bind('keyup' + c.namespace + 'filter', function(event) {
                    $(this).attr('data-lastSearchTime', new Date().getTime());
                    // emulate what webkit does.... escape clears the filter
                    if (event.which === 27) {
                        this.value = '';
                        // live search
                    } else if ( wo.filter_liveSearch === false ) {
                        return;
                        // don't return if the search value is empty (all rows need to be revealed)
                    } else if ( this.value !== '' && (
                        // liveSearch can contain a min value length; ignore arrow and meta keys, but allow backspace
                        ( typeof wo.filter_liveSearch === 'number' && this.value.length < wo.filter_liveSearch ) ||
                            // let return & backspace continue on, but ignore arrows & non-valid characters
                            ( event.which !== 13 && event.which !== 8 && ( event.which < 32 || (event.which >= 37 && event.which <= 40) ) ) ) ) {
                        return;
                    }
                    // change event = no delay; last true flag tells getFilters to skip newest timed input
                    ts.filter.searching( table, true, true );
                })
                .bind('search change keypress '.split(' ').join(c.namespace + 'filter '), function(event){
                    var column = $(this).data('column');
                    // don't allow "change" event to process if the input value is the same - fixes #685
                    if (event.which === 13 || event.type === 'search' || event.type === 'change' && this.value !== c.lastSearch[column]) {
                        event.preventDefault();
                        // init search with no delay
                        $(this).attr('data-lastSearchTime', new Date().getTime());
                        ts.filter.searching( table, false, true );
                    }
                });
        },
        searching: function(table, filter, skipFirst) {
            var wo = table.config.widgetOptions;
            clearTimeout(wo.searchTimer);
            if (typeof filter === 'undefined' || filter === true) {
                // delay filtering
                wo.searchTimer = setTimeout(function() {
                    ts.filter.checkFilters(table, filter, skipFirst );
                }, wo.filter_liveSearch ? wo.filter_searchDelay : 10);
            } else {
                // skip delay
                ts.filter.checkFilters(table, filter, skipFirst);
            }
        },
        checkFilters: function(table, filter, skipFirst) {
            var c = table.config,
                wo = c.widgetOptions,
                filterArray = $.isArray(filter),
                filters = (filterArray) ? filter : ts.getFilters(table, true),
                combinedFilters = (filters || []).join(''); // combined filter values
            // prevent errors if delay init is set
            if ($.isEmptyObject(c.cache)) {
                // update cache if delayInit set & pager has initialized (after user initiates a search)
                if (c.delayInit && c.pager && c.pager.initialized) {
                    c.$table.trigger('updateCache', [function(){
                        ts.filter.checkFilters(table, false, skipFirst);
                    }] );
                }
                return;
            }
            // add filter array back into inputs
            if (filterArray) {
                ts.setFilters( table, filters, false, skipFirst !== true );
                if (!wo.filter_initialized) { c.lastCombinedFilter = ''; }
            }
            if (wo.filter_hideFilters) {
                // show/hide filter row as needed
                c.$table.find('.' + ts.css.filterRow).trigger( combinedFilters === '' ? 'mouseleave' : 'mouseenter' );
            }
            // return if the last search is the same; but filter === false when updating the search
            // see example-widget-filter.html filter toggle buttons
            if (c.lastCombinedFilter === combinedFilters && filter !== false) {
                return;
            } else if (filter === false) {
                // force filter refresh
                c.lastCombinedFilter = null;
                c.lastSearch = [];
            }
            if (wo.filter_initialized) { c.$table.trigger('filterStart', [filters]); }
            if (c.showProcessing) {
                // give it time for the processing icon to kick in
                setTimeout(function() {
                    ts.filter.findRows(table, filters, combinedFilters);
                    return false;
                }, 30);
            } else {
                ts.filter.findRows(table, filters, combinedFilters);
                return false;
            }
        },
        hideFilters: function(table, c) {
            var $filterRow, $filterRow2, timer;
            $(table)
                .find('.' + ts.css.filterRow)
                .addClass('hideme')
                .bind('mouseenter mouseleave', function(e) {
                    // save event object - http://bugs.jquery.com/ticket/12140
                    var event = e;
                    $filterRow = $(this);
                    clearTimeout(timer);
                    timer = setTimeout(function() {
                        if ( /enter|over/.test(event.type) ) {
                            $filterRow.removeClass('hideme');
                        } else {
                            // don't hide if input has focus
                            // $(':focus') needs jQuery 1.6+
                            if ( $(document.activeElement).closest('tr')[0] !== $filterRow[0] ) {
                                // don't hide row if any filter has a value
                                if (c.lastCombinedFilter === '') {
                                    $filterRow.addClass('hideme');
                                }
                            }
                        }
                    }, 200);
                })
                .find('input, select').bind('focus blur', function(e) {
                    $filterRow2 = $(this).closest('tr');
                    clearTimeout(timer);
                    var event = e;
                    timer = setTimeout(function() {
                        // don't hide row if any filter has a value
                        if (ts.getFilters(c.$table).join('') === '') {
                            $filterRow2[ event.type === 'focus' ? 'removeClass' : 'addClass']('hideme');
                        }
                    }, 200);
                });
        },
        defaultFilter: function(filter, mask){
            if (filter === '') { return filter; }
            var regex = ts.filter.regex.iQuery,
                maskLen = mask.match( ts.filter.regex.igQuery ).length,
                query = maskLen > 1 ? $.trim(filter).split(/\s/) : [ $.trim(filter) ],
                len = query.length - 1,
                indx = 0,
                val = mask;
            if ( len < 1 && maskLen > 1 ) {
                // only one "word" in query but mask has >1 slots
                query[1] = query[0];
            }
            // replace all {query} with query words...
            // if query = "Bob", then convert mask from "!{query}" to "!Bob"
            // if query = "Bob Joe Frank", then convert mask "{q} OR {q}" to "Bob OR Joe OR Frank"
            while (regex.test(val)) {
                val = val.replace(regex, query[indx++] || '');
                if (regex.test(val) && indx < len && (query[indx] || '') !== '') {
                    val = mask.replace(regex, val);
                }
            }
            return val;
        },
        getLatestSearch: function( $input ) {
            return $input.sort(function(a, b) {
                return $(b).attr('data-lastSearchTime') - $(a).attr('data-lastSearchTime');
            });
        },
        multipleColumns: function( c, $input ) {
            // look for multiple columns "1-3,4-6,8" in data-column
            var ranges, singles, indx,
                wo = c.widgetOptions,
            // only target "all" column inputs on initialization
            // & don't target "all" column inputs if they don't exist
                targets = wo.filter_initialized || !$input.filter(wo.filter_anyColumnSelector).length,
                columns = [],
                val = $.trim( ts.filter.getLatestSearch( $input ).attr('data-column') );
            // process column range
            if ( targets && /-/.test( val ) ) {
                ranges = val.match( /(\d+)\s*-\s*(\d+)/g );
                $.each(ranges, function(i,v){
                    var t,
                        range = v.split( /\s*-\s*/ ),
                        start = parseInt( range[0], 10 ) || 0,
                        end = parseInt( range[1], 10 ) || ( c.columns - 1 );
                    if ( start > end ) { t = start; start = end; end = t; } // swap
                    if ( end >= c.columns ) { end = c.columns - 1; }
                    for ( ; start <= end; start++ ) {
                        columns.push(start);
                    }
                    // remove processed range from val
                    val = val.replace( v, '' );
                });
            }
            // process single columns
            if ( targets && /,/.test( val ) ) {
                singles = val.split( /\s*,\s*/ );
                $.each( singles, function(i,v) {
                    if (v !== '') {
                        indx = parseInt( v, 10 );
                        if ( indx < c.columns ) {
                            columns.push( indx );
                        }
                    }
                });
            }
            // return all columns
            if (!columns.length) {
                for ( indx = 0; indx < c.columns; indx++ ) {
                    columns.push( indx );
                }
            }
            return columns;
        },
        findRows: function(table, filters, combinedFilters) {
            if (table.config.lastCombinedFilter === combinedFilters || !table.config.widgetOptions.filter_initialized) { return; }
            var len, $rows, rowIndex, tbodyIndex, $tbody, $cells, $cell, columnIndex,
                childRow, lastSearch, hasSelect, matches, result, showRow, time, val, indx,
                notFiltered, searchFiltered, filterMatched, excludeMatch, fxn, ffxn,
                regex = ts.filter.regex,
                c = table.config,
                wo = c.widgetOptions,
                $tbodies = c.$table.children('tbody'), // target all tbodies #568
            // data object passed to filters; anyMatch is a flag for the filters
                data = { anyMatch: false },
            // anyMatch really screws up with these types of filters
                noAnyMatch = [ 'range', 'notMatch',  'operators' ];

            // parse columns after formatter, in case the class is added at that point
            data.parsed = c.$headers.map(function(columnIndex) {
                return c.parsers && c.parsers[columnIndex] && c.parsers[columnIndex].parsed ||
                    // getData won't return "parsed" if other "filter-" class names exist (e.g. <th class="filter-select filter-parsed">)
                    ts.getData && ts.getData(c.$headers.filter('[data-column="' + columnIndex + '"]:last'), ts.getColumnData( table, c.headers, columnIndex ), 'filter') === 'parsed' ||
                    $(this).hasClass('filter-parsed');
            }).get();

            if (c.debug) {
                ts.log('Starting filter widget search', filters);
                time = new Date();
            }
            // filtered rows count
            c.filteredRows = 0;
            c.totalRows = 0;
            // combindedFilters are undefined on init
            combinedFilters = (filters || []).join('');

            for (tbodyIndex = 0; tbodyIndex < $tbodies.length; tbodyIndex++ ) {
                if ($tbodies.eq(tbodyIndex).hasClass(c.cssInfoBlock || ts.css.info)) { continue; } // ignore info blocks, issue #264
                $tbody = ts.processTbody(table, $tbodies.eq(tbodyIndex), true);
                // skip child rows & widget added (removable) rows - fixes #448 thanks to @hempel!
                // $rows = $tbody.children('tr').not(c.selectorRemove);
                columnIndex = c.columns;
                // convert stored rows into a jQuery object
                $rows = $( $.map(c.cache[tbodyIndex].normalized, function(el){ return el[columnIndex].$row.get(); }) );

                if (combinedFilters === '' || wo.filter_serversideFiltering) {
                    $rows.removeClass(wo.filter_filteredRow).not('.' + c.cssChildRow).show();
                } else {
                    // filter out child rows
                    $rows = $rows.not('.' + c.cssChildRow);
                    len = $rows.length;
                    // optimize searching only through already filtered rows - see #313
                    searchFiltered = wo.filter_searchFiltered;
                    lastSearch = c.lastSearch || c.$table.data('lastSearch') || [];
                    if (searchFiltered) {
                        // cycle through all filters; include last (columnIndex + 1 = match any column). Fixes #669
                        for (indx = 0; indx < columnIndex + 1; indx++) {
                            val = filters[indx] || '';
                            // break out of loop if we've already determined not to search filtered rows
                            if (!searchFiltered) { indx = columnIndex; }
                            // search already filtered rows if...
                            searchFiltered = searchFiltered && lastSearch.length &&
                                // there are no changes from beginning of filter
                                val.indexOf(lastSearch[indx] || '') === 0 &&
                                // if there is NOT a logical "or", or range ("to" or "-") in the string
                                !regex.alreadyFiltered.test(val) &&
                                // if we are not doing exact matches, using "|" (logical or) or not "!"
                                !/[=\"\|!]/.test(val) &&
                                // don't search only filtered if the value is negative ('> -10' => '> -100' will ignore hidden rows)
                                !(/(>=?\s*-\d)/.test(val) || /(<=?\s*\d)/.test(val)) &&
                                // if filtering using a select without a "filter-match" class (exact match) - fixes #593
                                !( val !== '' && c.$filters && c.$filters.eq(indx).find('select').length && !c.$headers.filter('[data-column="' + indx + '"]:last').hasClass('filter-match') );
                        }
                    }
                    notFiltered = $rows.not('.' + wo.filter_filteredRow).length;
                    // can't search when all rows are hidden - this happens when looking for exact matches
                    if (searchFiltered && notFiltered === 0) { searchFiltered = false; }
                    if (c.debug) {
                        ts.log( "Searching through " + ( searchFiltered && notFiltered < len ? notFiltered : "all" ) + " rows" );
                    }
                    if ((wo.filter_$anyMatch && wo.filter_$anyMatch.length) || filters[c.columns]) {
                        data.anyMatchFlag = true;
                        data.anyMatchFilter = wo.filter_$anyMatch && ts.filter.getLatestSearch( wo.filter_$anyMatch ).val() || filters[c.columns] || '';
                        if (c.sortLocaleCompare) {
                            // replace accents
                            data.anyMatchFilter = ts.replaceAccents(data.anyMatchFilter);
                        }
                        if (wo.filter_defaultFilter && regex.iQuery.test( ts.getColumnData( table, wo.filter_defaultFilter, c.columns, true ) || '')) {
                            data.anyMatchFilter = ts.filter.defaultFilter( data.anyMatchFilter, ts.getColumnData( table, wo.filter_defaultFilter, c.columns, true ) );
                            // clear search filtered flag because default filters are not saved to the last search
                            searchFiltered = false;
                        }
                        // make iAnyMatchFilter lowercase unless both filter widget & core ignoreCase options are true
                        // when c.ignoreCase is true, the cache contains all lower case data
                        data.iAnyMatchFilter = !(wo.filter_ignoreCase && c.ignoreCase) ? data.anyMatchFilter : data.anyMatchFilter.toLocaleLowerCase();
                    }

                    // loop through the rows
                    for (rowIndex = 0; rowIndex < len; rowIndex++) {

                        data.cacheArray = c.cache[tbodyIndex].normalized[rowIndex];

                        childRow = $rows[rowIndex].className;
                        // skip child rows & already filtered rows
                        if ( regex.child.test(childRow) || (searchFiltered && regex.filtered.test(childRow)) ) { continue; }
                        showRow = true;
                        // *** nextAll/nextUntil not supported by Zepto! ***
                        childRow = $rows.eq(rowIndex).nextUntil('tr:not(.' + c.cssChildRow + ')');
                        // so, if "table.config.widgetOptions.filter_childRows" is true and there is
                        // a match anywhere in the child row, then it will make the row visible
                        // checked here so the option can be changed dynamically
                        data.childRowText = (childRow.length && wo.filter_childRows) ? childRow.text() : '';
                        data.childRowText = wo.filter_ignoreCase ? data.childRowText.toLocaleLowerCase() : data.childRowText;
                        $cells = $rows.eq(rowIndex).children();
                        if (data.anyMatchFlag) {
                            // look for multiple columns "1-3,4-6,8"
                            columnIndex = ts.filter.multipleColumns( c, wo.filter_$anyMatch );
                            data.anyMatch = true;
                            data.rowArray = $cells.map(function(i){
                                if ( $.inArray(i, columnIndex) > -1 ) {
                                    var txt;
                                    if (data.parsed[i]) {
                                        txt = data.cacheArray[i];
                                    } else {
                                        txt = wo.filter_ignoreCase ? $(this).text().toLowerCase() : $(this).text();
                                        if (c.sortLocaleCompare) {
                                            txt = ts.replaceAccents(txt);
                                        }
                                    }
                                    return txt;
                                }
                            }).get();
                            data.filter = data.anyMatchFilter;
                            data.iFilter = data.iAnyMatchFilter;
                            data.exact = data.rowArray.join(' ');
                            data.iExact = wo.filter_ignoreCase ? data.exact.toLowerCase() : data.exact;
                            data.cache = data.cacheArray.slice(0,-1).join(' ');
                            filterMatched = null;
                            $.each(ts.filter.types, function(type, typeFunction) {
                                if ($.inArray(type, noAnyMatch) < 0) {
                                    matches = typeFunction( c, data );
                                    if (matches !== null) {
                                        filterMatched = matches;
                                        return false;
                                    }
                                }
                            });
                            if (filterMatched !== null) {
                                showRow = filterMatched;
                            } else {
                                if (wo.filter_startsWith) {
                                    showRow = false;
                                    columnIndex = c.columns;
                                    while (!showRow && columnIndex > 0) {
                                        columnIndex--;
                                        showRow = showRow || data.rowArray[columnIndex].indexOf(data.iFilter) === 0;
                                    }
                                } else {
                                    showRow = (data.iExact + data.childRowText).indexOf(data.iFilter) >= 0;
                                }
                            }
                            data.anyMatch = false;
                        }

                        for (columnIndex = 0; columnIndex < c.columns; columnIndex++) {
                            data.filter = filters[columnIndex];
                            data.index = columnIndex;

                            // filter types to exclude, per column
                            excludeMatch = ( ts.getColumnData( table, wo.filter_excludeFilter, columnIndex, true ) || '' ).split(/\s+/);

                            // ignore if filter is empty or disabled
                            if (data.filter) {
                                data.cache = data.cacheArray[columnIndex];
                                // check if column data should be from the cell or from parsed data
                                if (wo.filter_useParsedData || data.parsed[columnIndex]) {
                                    data.exact = data.cache;
                                } else {
                                    // using older or original tablesorter
                                    data.exact = $.trim( $cells.eq(columnIndex).text() );
                                    data.exact = c.sortLocaleCompare ? ts.replaceAccents(data.exact) : data.exact; // issue #405
                                }
                                data.iExact = !regex.type.test(typeof data.exact) && wo.filter_ignoreCase ? data.exact.toLocaleLowerCase() : data.exact;
                                result = showRow; // if showRow is true, show that row

                                // in case select filter option has a different value vs text "a - z|A through Z"
                                ffxn = wo.filter_columnFilters ?
                                    c.$filters.add(c.$externalFilters).filter('[data-column="'+ columnIndex + '"]').find('select option:selected').attr('data-function-name') || '' : '';

                                // replace accents - see #357
                                data.filter = c.sortLocaleCompare ? ts.replaceAccents(data.filter) : data.filter;

                                val = true;
                                if (wo.filter_defaultFilter && regex.iQuery.test( ts.getColumnData( table, wo.filter_defaultFilter, columnIndex ) || '')) {
                                    data.filter = ts.filter.defaultFilter( data.filter, ts.getColumnData( table, wo.filter_defaultFilter, columnIndex ) );
                                    // val is used to indicate that a filter select is using a default filter; so we override the exact & partial matches
                                    val = false;
                                }
                                // data.iFilter = case insensitive (if wo.filter_ignoreCase is true), data.filter = case sensitive
                                data.iFilter = wo.filter_ignoreCase ? (data.filter || '').toLocaleLowerCase() : data.filter;
                                fxn = ts.getColumnData( table, wo.filter_functions, columnIndex );
                                $cell = c.$headers.filter('[data-column="' + columnIndex + '"]:last');
                                hasSelect = $cell.hasClass('filter-select');
                                if ( fxn || ( hasSelect && val ) ) {
                                    if (fxn === true || hasSelect) {
                                        // default selector uses exact match unless "filter-match" class is found
                                        result = ($cell.hasClass('filter-match')) ? data.iExact.search(data.iFilter) >= 0 : data.filter === data.exact;
                                    } else if (typeof fxn === 'function') {
                                        // filter callback( exact cell content, parser normalized content, filter input value, column index, jQuery row object )
                                        result = fxn(data.exact, data.cache, data.filter, columnIndex, $rows.eq(rowIndex));
                                    } else if (typeof fxn[ffxn || data.filter] === 'function') {
                                        // selector option function
                                        result = fxn[ffxn || data.filter](data.exact, data.cache, data.filter, columnIndex, $rows.eq(rowIndex));
                                    }
                                } else {
                                    filterMatched = null;
                                    // cycle through the different filters
                                    // filters return a boolean or null if nothing matches
                                    $.each(ts.filter.types, function(type, typeFunction) {
                                        if ($.inArray(type, excludeMatch) < 0) {
                                            matches = typeFunction( c, data );
                                            if (matches !== null) {
                                                filterMatched = matches;
                                                return false;
                                            }
                                        }
                                    });
                                    if (filterMatched !== null) {
                                        result = filterMatched;
                                        // Look for match, and add child row data for matching
                                    } else {
                                        data.exact = (data.iExact + data.childRowText).indexOf( ts.filter.parseFilter(c, data.iFilter, columnIndex, data.parsed[columnIndex]) );
                                        result = ( (!wo.filter_startsWith && data.exact >= 0) || (wo.filter_startsWith && data.exact === 0) );
                                    }
                                }
                                showRow = (result) ? showRow : false;
                            }
                        }
                        $rows.eq(rowIndex)
                            .toggle(showRow)
                            .toggleClass(wo.filter_filteredRow, !showRow);
                        if (childRow.length) {
                            childRow.toggleClass(wo.filter_filteredRow, !showRow);
                        }
                    }
                }
                c.filteredRows += $rows.not('.' + wo.filter_filteredRow).length;
                c.totalRows += $rows.length;
                ts.processTbody(table, $tbody, false);
            }
            c.lastCombinedFilter = combinedFilters; // save last search
            c.lastSearch = filters;
            c.$table.data('lastSearch', filters);
            if (wo.filter_saveFilters && ts.storage) {
                ts.storage( table, 'tablesorter-filters', filters );
            }
            if (c.debug) {
                ts.benchmark("Completed filter widget search", time);
            }
            if (wo.filter_initialized) { c.$table.trigger('filterEnd', c ); }
            setTimeout(function(){
                c.$table.trigger('applyWidgets'); // make sure zebra widget is applied
            }, 0);
        },
        getOptionSource: function(table, column, onlyAvail) {
            var cts,
                c = table.config,
                wo = c.widgetOptions,
                parsed = [],
                arry = false,
                source = wo.filter_selectSource,
                last = c.$table.data('lastSearch') || [],
                fxn = $.isFunction(source) ? true : ts.getColumnData( table, source, column );

            if (onlyAvail && last[column] !== '') {
                onlyAvail = false;
            }

            // filter select source option
            if (fxn === true) {
                // OVERALL source
                arry = source(table, column, onlyAvail);
            } else if ( fxn instanceof $ || ($.type(fxn) === 'string' && fxn.indexOf('</option>') >= 0) ) {
                // selectSource is a jQuery object or string of options
                return fxn;
            } else if ($.isArray(fxn)) {
                arry = fxn;
            } else if ($.type(source) === 'object' && fxn) {
                // custom select source function for a SPECIFIC COLUMN
                arry = fxn(table, column, onlyAvail);
            }
            if (arry === false) {
                // fall back to original method
                arry = ts.filter.getOptions(table, column, onlyAvail);
            }

            // get unique elements and sort the list
            // if $.tablesorter.sortText exists (not in the original tablesorter),
            // then natural sort the list otherwise use a basic sort
            arry = $.grep(arry, function(value, indx) {
                return $.inArray(value, arry) === indx;
            });

            if (c.$headers.filter('[data-column="' + column + '"]:last').hasClass('filter-select-nosort')) {
                // unsorted select options
                return arry;
            } else {
                // parse select option values
                $.each(arry, function(i, v){
                    // parse array data using set column parser; this DOES NOT pass the original
                    // table cell to the parser format function
                    parsed.push({ t : v, p : c.parsers && c.parsers[column].format( v, table, [], column ) });
                });

                // sort parsed select options
                cts = c.textSorter || '';
                parsed.sort(function(a, b){
                    // sortNatural breaks if you don't pass it strings
                    var x = a.p.toString(), y = b.p.toString();
                    if ($.isFunction(cts)) {
                        // custom OVERALL text sorter
                        return cts(x, y, true, column, table);
                    } else if (typeof(cts) === 'object' && cts.hasOwnProperty(column)) {
                        // custom text sorter for a SPECIFIC COLUMN
                        return cts[column](x, y, true, column, table);
                    } else if (ts.sortNatural) {
                        // fall back to natural sort
                        return ts.sortNatural(x, y);
                    }
                    // using an older version! do a basic sort
                    return true;
                });
                // rebuild arry from sorted parsed data
                arry = [];
                $.each(parsed, function(i, v){
                    arry.push(v.t);
                });
                return arry;
            }
        },
        getOptions: function(table, column, onlyAvail) {
            var rowIndex, tbodyIndex, len, row, cache, cell,
                c = table.config,
                wo = c.widgetOptions,
                $tbodies = c.$table.children('tbody'),
                arry = [];
            for (tbodyIndex = 0; tbodyIndex < $tbodies.length; tbodyIndex++ ) {
                if (!$tbodies.eq(tbodyIndex).hasClass(c.cssInfoBlock)) {
                    cache = c.cache[tbodyIndex];
                    len = c.cache[tbodyIndex].normalized.length;
                    // loop through the rows
                    for (rowIndex = 0; rowIndex < len; rowIndex++) {
                        // get cached row from cache.row (old) or row data object (new; last item in normalized array)
                        row = cache.row ? cache.row[rowIndex] : cache.normalized[rowIndex][c.columns].$row[0];
                        // check if has class filtered
                        if (onlyAvail && row.className.match(wo.filter_filteredRow)) { continue; }
                        // get non-normalized cell content
                        if (wo.filter_useParsedData || c.parsers[column].parsed || c.$headers.filter('[data-column="' + column + '"]:last').hasClass('filter-parsed')) {
                            arry.push( '' + cache.normalized[rowIndex][column] );
                        } else {
                            cell = row.cells[column];
                            if (cell) {
                                arry.push( $.trim( cell.textContent || cell.innerText || $(cell).text() ) );
                            }
                        }
                    }
                }
            }
            return arry;
        },
        buildSelect: function(table, column, arry, updating, onlyAvail) {
            table = $(table)[0];
            column = parseInt(column, 10);
            if (!table.config.cache || $.isEmptyObject(table.config.cache)) { return; }
            var indx, val, txt, t, $filters, $filter,
                c = table.config,
                wo = c.widgetOptions,
                node = c.$headers.filter('[data-column="' + column + '"]:last'),
            // t.data('placeholder') won't work in jQuery older than 1.4.3
                options = '<option value="">' + ( node.data('placeholder') || node.attr('data-placeholder') || wo.filter_placeholder.select || '' ) + '</option>',
            // Get curent filter value
                currentValue = c.$table.find('thead').find('select.' + ts.css.filter + '[data-column="' + column + '"]').val();
            // nothing included in arry (external source), so get the options from filter_selectSource or column data
            if (typeof arry === 'undefined' || arry === '') {
                arry = ts.filter.getOptionSource(table, column, onlyAvail);
            }

            if ($.isArray(arry)) {
                // build option list
                for (indx = 0; indx < arry.length; indx++) {
                    txt = arry[indx] = ('' + arry[indx]).replace(/\"/g, "&quot;");
                    val = txt;
                    // allow including a symbol in the selectSource array
                    // "a-z|A through Z" so that "a-z" becomes the option value
                    // and "A through Z" becomes the option text
                    if (txt.indexOf(wo.filter_selectSourceSeparator) >= 0) {
                        t = txt.split(wo.filter_selectSourceSeparator);
                        val = t[0];
                        txt = t[1];
                    }
                    // replace quotes - fixes #242 & ignore empty strings - see http://stackoverflow.com/q/14990971/145346
                    options += arry[indx] !== '' ? '<option ' + (val === txt ? '' : 'data-function-name="' + arry[indx] + '" ') + 'value="' + val + '">' + txt + '</option>' : '';
                }
                // clear arry so it doesn't get appended twice
                arry = [];
            }

            // update all selects in the same column (clone thead in sticky headers & any external selects) - fixes 473
            $filters = ( c.$filters ? c.$filters : c.$table.children('thead') ).find('.' + ts.css.filter);
            if (wo.filter_$externalFilters) {
                $filters = $filters && $filters.length ? $filters.add(wo.filter_$externalFilters) : wo.filter_$externalFilters;
            }
            $filter = $filters.filter('select[data-column="' + column + '"]');

            // make sure there is a select there!
            if ($filter.length) {
                $filter[ updating ? 'html' : 'append' ](options);
                if (!$.isArray(arry)) {
                    // append options if arry is provided externally as a string or jQuery object
                    // options (default value) was already added
                    $filter.append(arry).val(currentValue);
                }
                $filter.val(currentValue);
            }
        },
        buildDefault: function(table, updating) {
            var columnIndex, $header, noSelect,
                c = table.config,
                wo = c.widgetOptions,
                columns = c.columns;
            // build default select dropdown
            for (columnIndex = 0; columnIndex < columns; columnIndex++) {
                $header = c.$headers.filter('[data-column="' + columnIndex + '"]:last');
                noSelect = !($header.hasClass('filter-false') || $header.hasClass('parser-false'));
                // look for the filter-select class; build/update it if found
                if (($header.hasClass('filter-select') || ts.getColumnData( table, wo.filter_functions, columnIndex ) === true) && noSelect) {
                    ts.filter.buildSelect(table, columnIndex, '', updating, $header.hasClass(wo.filter_onlyAvail));
                }
            }
        }
    };

    ts.getFilters = function(table, getRaw, setFilters, skipFirst) {
        var i, $filters, $column, cols,
            filters = false,
            c = table ? $(table)[0].config : '',
            wo = c ? c.widgetOptions : '';
        if (getRaw !== true && wo && !wo.filter_columnFilters) {
            return $(table).data('lastSearch');
        }
        if (c) {
            if (c.$filters) {
                $filters = c.$filters.find('.' + ts.css.filter);
            }
            if (wo.filter_$externalFilters) {
                $filters = $filters && $filters.length ? $filters.add(wo.filter_$externalFilters) : wo.filter_$externalFilters;
            }
            if ($filters && $filters.length) {
                filters = setFilters || [];
                for (i = 0; i < c.columns + 1; i++) {
                    cols = ( i === c.columns ?
                        // "all" columns can now include a range or set of columms (data-column="0-2,4,6-7")
                        wo.filter_anyColumnSelector + ',' + wo.filter_multipleColumnSelector :
                        '[data-column="' + i + '"]' );
                    $column = $filters.filter(cols);
                    if ($column.length) {
                        // move the latest search to the first slot in the array
                        $column = ts.filter.getLatestSearch( $column );
                        if ($.isArray(setFilters)) {
                            // skip first (latest input) to maintain cursor position while typing
                            if (skipFirst) { $column.slice(1); }
                            if (i === c.columns) {
                                // prevent data-column="all" from filling data-column="0,1" (etc)
                                cols = $column.filter(wo.filter_anyColumnSelector);
                                $column = cols.length ? cols : $column;
                            }
                            $column
                                .val( setFilters[i] )
                                .trigger('change.tsfilter');
                        } else {
                            filters[i] = $column.val() || '';
                            // don't change the first... it will move the cursor
                            if (i === c.columns) {
                                // don't update range columns from "all" setting
                                $column.slice(1).filter('[data-column*="' + $column.attr('data-column') + '"]').val( filters[i] );
                            } else {
                                $column.slice(1).val( filters[i] );
                            }
                        }
                        // save any match input dynamically
                        if (i === c.columns && $column.length) {
                            wo.filter_$anyMatch = $column;
                        }
                    }
                }
            }
        }
        if (filters.length === 0) {
            filters = false;
        }
        return filters;
    };

    ts.setFilters = function(table, filter, apply, skipFirst) {
        var c = table ? $(table)[0].config : '',
            valid = ts.getFilters(table, true, filter, skipFirst);
        if (c && apply) {
            // ensure new set filters are applied, even if the search is the same
            c.lastCombinedFilter = null;
            c.lastSearch = [];
            ts.filter.searching(c.$table[0], filter, skipFirst);
            c.$table.trigger('filterFomatterUpdate');
        }
        return !!valid;
    };

// Widget: Sticky headers
// based on this awesome article:
// http://css-tricks.com/13465-persistent-headers/
// and https://github.com/jmosbech/StickyTableHeaders by Jonas Mosbech
// **************************
    ts.addWidget({
        id: "stickyHeaders",
        priority: 60, // sticky widget must be initialized after the filter widget!
        options: {
            stickyHeaders : '',       // extra class name added to the sticky header row
            stickyHeaders_attachTo : null, // jQuery selector or object to attach sticky header to
            stickyHeaders_xScroll : null, // jQuery selector or object to monitor horizontal scroll position (defaults: xScroll > attachTo > window)
            stickyHeaders_yScroll : null, // jQuery selector or object to monitor vertical scroll position (defaults: yScroll > attachTo > window)
            stickyHeaders_offset : 0, // number or jquery selector targeting the position:fixed element
            stickyHeaders_filteredToTop: true, // scroll table top into view after filtering
            stickyHeaders_cloneId : '-sticky', // added to table ID, if it exists
            stickyHeaders_addResizeEvent : true, // trigger "resize" event on headers
            stickyHeaders_includeCaption : true, // if false and a caption exist, it won't be included in the sticky header
            stickyHeaders_zIndex : 2 // The zIndex of the stickyHeaders, allows the user to adjust this to their needs
        },
        format: function(table, c, wo) {
            // filter widget doesn't initialize on an empty table. Fixes #449
            if ( c.$table.hasClass('hasStickyHeaders') || ($.inArray('filter', c.widgets) >= 0 && !c.$table.hasClass('hasFilters')) ) {
                return;
            }
            var $table = c.$table,
                $attach = $(wo.stickyHeaders_attachTo),
                namespace = c.namespace + 'stickyheaders ',
            // element to watch for the scroll event
                $yScroll = $(wo.stickyHeaders_yScroll || wo.stickyHeaders_attachTo || window),
                $xScroll = $(wo.stickyHeaders_xScroll || wo.stickyHeaders_attachTo || window),
                $thead = $table.children('thead:first'),
                $header = $thead.children('tr').not('.sticky-false').children(),
                $tfoot = $table.children('tfoot'),
                $stickyOffset = isNaN(wo.stickyHeaders_offset) ? $(wo.stickyHeaders_offset) : '',
                stickyOffset = $attach.length ? 0 : $stickyOffset.length ?
                    $stickyOffset.height() || 0 : parseInt(wo.stickyHeaders_offset, 10) || 0,
            // is this table nested? If so, find parent sticky header wrapper (div, not table)
                $nestedSticky = $table.parent().closest('.' + ts.css.table).hasClass('hasStickyHeaders') ?
                    $table.parent().closest('table.tablesorter')[0].config.widgetOptions.$sticky.parent() : [],
                nestedStickyTop = $nestedSticky.length ? $nestedSticky.height() : 0,
            // clone table, then wrap to make sticky header
                $stickyTable = wo.$sticky = $table.clone()
                    .addClass('containsStickyHeaders ' + ts.css.sticky + ' ' + wo.stickyHeaders)
                    .wrap('<div class="' + ts.css.stickyWrap + '">'),
                $stickyWrap = $stickyTable.parent().css({
                    position   : $attach.length ? 'absolute' : 'fixed',
                    padding    : parseInt( $stickyTable.parent().parent().css('padding-left'), 10 ),
                    top        : stickyOffset + nestedStickyTop,
                    left       : 0,
                    visibility : 'hidden',
                    zIndex     : wo.stickyHeaders_zIndex || 2
                }),
                $stickyThead = $stickyTable.children('thead:first'),
                $stickyCells,
                laststate = '',
                spacing = 0,
                setWidth = function($orig, $clone){
                    $orig.filter(':visible').each(function(i) {
                        var width, border,
                            $cell = $clone.filter(':visible').eq(i),
                            $this = $(this);
                        // code from https://github.com/jmosbech/StickyTableHeaders
                        if ($this.css('box-sizing') === 'border-box') {
                            width = $this.outerWidth();
                        } else {
                            if ($cell.css('border-collapse') === 'collapse') {
                                if (window.getComputedStyle) {
                                    width = parseFloat( window.getComputedStyle(this, null).width );
                                } else {
                                    // ie8 only
                                    border = parseFloat( $this.css('border-width') );
                                    width = $this.outerWidth() - parseFloat( $this.css('padding-left') ) - parseFloat( $this.css('padding-right') ) - border;
                                }
                            } else {
                                width = $this.width();
                            }
                        }
                        $cell.css({
                            'min-width': width,
                            'max-width': width
                        });
                    });
                },
                resizeHeader = function() {
                    stickyOffset = $stickyOffset.length ? $stickyOffset.height() || 0 : parseInt(wo.stickyHeaders_offset, 10) || 0;
                    spacing = 0;
                    $stickyWrap.css({
                        left : $attach.length ? parseInt($attach.css('padding-left'), 10) || 0 :
                            $table.offset().left - parseInt($table.css('margin-left'), 10) - $xScroll.scrollLeft() - spacing,
                        width: $table.outerWidth()
                    });
                    setWidth( $table, $stickyTable );
                    setWidth( $header, $stickyCells );
                };
            // fix clone ID, if it exists - fixes #271
            if ($stickyTable.attr('id')) { $stickyTable[0].id += wo.stickyHeaders_cloneId; }
            // clear out cloned table, except for sticky header
            // include caption & filter row (fixes #126 & #249) - don't remove cells to get correct cell indexing
            $stickyTable.find('thead:gt(0), tr.sticky-false').hide();
            $stickyTable.find('tbody, tfoot').remove();
            $stickyTable.find('caption').toggle(wo.stickyHeaders_includeCaption);
            // issue #172 - find td/th in sticky header
            $stickyCells = $stickyThead.children().children();
            $stickyTable.css({ height:0, width:0, margin: 0 });
            // remove resizable block
            $stickyCells.find('.' + ts.css.resizer).remove();
            // update sticky header class names to match real header after sorting
            $table
                .addClass('hasStickyHeaders')
                .bind('pagerComplete' + namespace, function() {
                    resizeHeader();
                });

            ts.bindEvents(table, $stickyThead.children().children('.tablesorter-header'));

            // add stickyheaders AFTER the table. If the table is selected by ID, the original one (first) will be returned.
            $table.after( $stickyWrap );

            // onRenderHeader is defined, we need to do something about it (fixes #641)
            if (c.onRenderHeader) {
                $stickyThead.children('tr').children().each(function(index){
                    // send second parameter
                    c.onRenderHeader.apply( $(this), [ index, c, $stickyTable ] );
                });
            }

            // make it sticky!
            $xScroll.add($yScroll)
                .unbind('scroll resize '.split(' ').join( namespace ) )
                .bind('scroll resize '.split(' ').join( namespace ), function(event) {
                    if (!$table.is(':visible')) { return; } // fixes #278
                    // Detect nested tables - fixes #724
                    nestedStickyTop = $nestedSticky.length ? $nestedSticky.offset().top - $yScroll.scrollTop() + $nestedSticky.height() : 0;
                    var prefix = 'tablesorter-sticky-',
                        offset = $table.offset(),
                        yWindow = $.isWindow( $yScroll[0] ), // $.isWindow needs jQuery 1.4.3
                        xWindow = $.isWindow( $xScroll[0] ),
                    // scrollTop = ( $attach.length ? $attach.offset().top : $yScroll.scrollTop() ) + stickyOffset + nestedStickyTop,
                        scrollTop = ( $attach.length ? ( yWindow ? $yScroll.scrollTop() : $yScroll.offset().top ) : $yScroll.scrollTop() ) + stickyOffset + nestedStickyTop,
                        tableHeight = $table.height() - ($stickyWrap.height() + ($tfoot.height() || 0)),
                        isVisible = ( scrollTop > offset.top ) && ( scrollTop < offset.top + tableHeight ) ? 'visible' : 'hidden',
                        cssSettings = { visibility : isVisible };

                    if ($attach.length) {
                        cssSettings.top = yWindow ? scrollTop : $attach.scrollTop();
                    }
                    if (xWindow) {
                        // adjust when scrolling horizontally - fixes issue #143
                        cssSettings.left = $table.offset().left - parseInt($table.css('margin-left'), 10) - $xScroll.scrollLeft() - spacing;
                    }
                    if ($nestedSticky.length) {
                        cssSettings.top = ( cssSettings.top || 0 ) + stickyOffset + nestedStickyTop;
                    }
                    $stickyWrap
                        .removeClass(prefix + 'visible ' + prefix + 'hidden')
                        .addClass(prefix + isVisible)
                        .css(cssSettings);
                    if (isVisible !== laststate || event.type === 'resize') {
                        // make sure the column widths match
                        resizeHeader();
                        laststate = isVisible;
                    }
                });
            if (wo.stickyHeaders_addResizeEvent) {
                ts.addHeaderResizeEvent(table);
            }

            // look for filter widget
            if ($table.hasClass('hasFilters') && wo.filter_columnFilters) {
                // scroll table into view after filtering, if sticky header is active - #482
                $table.bind('filterEnd' + namespace, function() {
                    // $(':focus') needs jQuery 1.6+
                    var $td = $(document.activeElement).closest('td'),
                        column = $td.parent().children().index($td);
                    // only scroll if sticky header is active
                    if ($stickyWrap.hasClass(ts.css.stickyVis) && wo.stickyHeaders_filteredToTop) {
                        // scroll to original table (not sticky clone)
                        window.scrollTo(0, $table.position().top);
                        // give same input/select focus; check if c.$filters exists; fixes #594
                        if (column >= 0 && c.$filters) {
                            c.$filters.eq(column).find('a, select, input').filter(':visible').focus();
                        }
                    }
                });
                ts.filter.bindSearch( $table, $stickyCells.find('.' + ts.css.filter) );
                // support hideFilters
                if (wo.filter_hideFilters) {
                    ts.filter.hideFilters($stickyTable, c);
                }
            }

            $table.trigger('stickyHeadersInit');

        },
        remove: function(table, c, wo) {
            var namespace = c.namespace + 'stickyheaders ';
            c.$table
                .removeClass('hasStickyHeaders')
                .unbind( 'pagerComplete filterEnd '.split(' ').join(namespace) )
                .next('.' + ts.css.stickyWrap).remove();
            if (wo.$sticky && wo.$sticky.length) { wo.$sticky.remove(); } // remove cloned table
            // don't unbind if any table on the page still has stickyheaders applied
            if (!$('.hasStickyHeaders').length) {
                $(window).add(wo.stickyHeaders_xScroll).add(wo.stickyHeaders_yScroll).add(wo.stickyHeaders_attachTo)
                    .unbind( 'scroll resize '.split(' ').join(namespace) );
            }
            ts.addHeaderResizeEvent(table, false);
        }
    });

// Add Column resizing widget
// this widget saves the column widths if
// $.tablesorter.storage function is included
// **************************
    ts.addWidget({
        id: "resizable",
        priority: 40,
        options: {
            resizable : true,
            resizable_addLastColumn : false,
            resizable_widths : [],
            resizable_throttle : false // set to true (5ms) or any number 0-10 range
        },
        format: function(table, c, wo) {
            if (c.$table.hasClass('hasResizable')) { return; }
            c.$table.addClass('hasResizable');
            ts.resizableReset(table, true); // set default widths
            var $rows, $columns, $column, column, timer,
                storedSizes = {},
                $table = c.$table,
                $wrap = $table.parent(),
                overflow = $table.parent().css('overflow') === 'auto',
                mouseXPosition = 0,
                $target = null,
                $next = null,
                fullWidth = Math.abs($table.parent().width() - $table.width()) < 20,
                mouseMove = function(event){
                    if (mouseXPosition === 0 || !$target) { return; }
                    // resize columns
                    var leftEdge = event.pageX - mouseXPosition,
                        targetWidth = $target.width();
                    $target.width( targetWidth + leftEdge );
                    if ($target.width() !== targetWidth && fullWidth) {
                        $next.width( $next.width() - leftEdge );
                    } else if (overflow) {
                        $table.width(function(i, w){
                            return w + leftEdge;
                        });
                        if (!$next.length) {
                            // if expanding right-most column, scroll the wrapper
                            $wrap[0].scrollLeft = $table.width();
                        }
                    }
                    mouseXPosition = event.pageX;
                },
                stopResize = function() {
                    if (ts.storage && $target && $next) {
                        storedSizes = {};
                        storedSizes[$target.index()] = $target.width();
                        storedSizes[$next.index()] = $next.width();
                        $target.width( storedSizes[$target.index()] );
                        $next.width( storedSizes[$next.index()] );
                        if (wo.resizable !== false) {
                            // save all column widths
                            ts.storage(table, 'tablesorter-resizable', c.$headers.map(function(){ return $(this).width(); }).get() );
                        }
                    }
                    mouseXPosition = 0;
                    $target = $next = null;
                    $(window).trigger('resize'); // will update stickyHeaders, just in case
                };
            storedSizes = (ts.storage && wo.resizable !== false) ? ts.storage(table, 'tablesorter-resizable') : {};
            // process only if table ID or url match
            if (storedSizes) {
                for (column in storedSizes) {
                    if (!isNaN(column) && column < c.$headers.length) {
                        c.$headers.eq(column).width(storedSizes[column]); // set saved resizable widths
                    }
                }
            }
            $rows = $table.children('thead:first').children('tr');
            // add resizable-false class name to headers (across rows as needed)
            $rows.children().each(function() {
                var canResize,
                    $column = $(this);
                column = $column.attr('data-column');
                canResize = ts.getData( $column, ts.getColumnData( table, c.headers, column ), 'resizable') === "false";
                $rows.children().filter('[data-column="' + column + '"]')[canResize ? 'addClass' : 'removeClass']('resizable-false');
            });
            // add wrapper inside each cell to allow for positioning of the resizable target block
            $rows.each(function() {
                $column = $(this).children().not('.resizable-false');
                if (!$(this).find('.' + ts.css.wrapper).length) {
                    // Firefox needs this inner div to position the resizer correctly
                    $column.wrapInner('<div class="' + ts.css.wrapper + '" style="position:relative;height:100%;width:100%"></div>');
                }
                // don't include the last column of the row
                if (!wo.resizable_addLastColumn) { $column = $column.slice(0,-1); }
                $columns = $columns ? $columns.add($column) : $column;
            });
            $columns
                .each(function() {
                    var $column = $(this),
                        padding = parseInt($column.css('padding-right'), 10) + 10; // 10 is 1/2 of the 20px wide resizer
                    $column
                        .find('.' + ts.css.wrapper)
                        .append('<div class="' + ts.css.resizer + '" style="cursor:w-resize;position:absolute;z-index:1;right:-' +
                            padding + 'px;top:0;height:100%;width:20px;"></div>');
                })
                .find('.' + ts.css.resizer)
                .bind('mousedown', function(event) {
                    // save header cell and mouse position
                    $target = $(event.target).closest('th');
                    var $header = c.$headers.filter('[data-column="' + $target.attr('data-column') + '"]');
                    if ($header.length > 1) { $target = $target.add($header); }
                    // if table is not as wide as it's parent, then resize the table
                    $next = event.shiftKey ? $target.parent().find('th').not('.resizable-false').filter(':last') : $target.nextAll(':not(.resizable-false)').eq(0);
                    mouseXPosition = event.pageX;
                });
            $(document)
                .bind('mousemove.tsresize', function(event) {
                    // ignore mousemove if no mousedown
                    if (mouseXPosition === 0 || !$target) { return; }
                    if (wo.resizable_throttle) {
                        clearTimeout(timer);
                        timer = setTimeout(function(){
                            mouseMove(event);
                        }, isNaN(wo.resizable_throttle) ? 5 : wo.resizable_throttle );
                    } else {
                        mouseMove(event);
                    }
                })
                .bind('mouseup.tsresize', function() {
                    stopResize();
                });

            // right click to reset columns to default widths
            $table.find('thead:first').bind('contextmenu.tsresize', function() {
                ts.resizableReset(table);
                // $.isEmptyObject() needs jQuery 1.4+; allow right click if already reset
                var allowClick = $.isEmptyObject ? $.isEmptyObject(storedSizes) : true;
                storedSizes = {};
                return allowClick;
            });
        },
        remove: function(table, c) {
            c.$table
                .removeClass('hasResizable')
                .children('thead')
                .unbind('mouseup.tsresize mouseleave.tsresize contextmenu.tsresize')
                .children('tr').children()
                .unbind('mousemove.tsresize mouseup.tsresize')
                // don't remove "tablesorter-wrapper" as uitheme uses it too
                .find('.' + ts.css.resizer).remove();
            ts.resizableReset(table);
        }
    });
    ts.resizableReset = function(table, nosave) {
        $(table).each(function(){
            var $t,
                c = this.config,
                wo = c && c.widgetOptions;
            if (table && c) {
                c.$headers.each(function(i){
                    $t = $(this);
                    if (wo.resizable_widths[i]) {
                        $t.css('width', wo.resizable_widths[i]);
                    } else if (!$t.hasClass('resizable-false')) {
                        // don't clear the width of any column that is not resizable
                        $t.css('width','');
                    }
                });
                if (ts.storage && !nosave) { ts.storage(this, 'tablesorter-resizable', {}); }
            }
        });
    };

// Save table sort widget
// this widget saves the last sort only if the
// saveSort widget option is true AND the
// $.tablesorter.storage function is included
// **************************
    ts.addWidget({
        id: 'saveSort',
        priority: 20,
        options: {
            saveSort : true
        },
        init: function(table, thisWidget, c, wo) {
            // run widget format before all other widgets are applied to the table
            thisWidget.format(table, c, wo, true);
        },
        format: function(table, c, wo, init) {
            var stored, time,
                $table = c.$table,
                saveSort = wo.saveSort !== false, // make saveSort active/inactive; default to true
                sortList = { "sortList" : c.sortList };
            if (c.debug) {
                time = new Date();
            }
            if ($table.hasClass('hasSaveSort')) {
                if (saveSort && table.hasInitialized && ts.storage) {
                    ts.storage( table, 'tablesorter-savesort', sortList );
                    if (c.debug) {
                        ts.benchmark('saveSort widget: Saving last sort: ' + c.sortList, time);
                    }
                }
            } else {
                // set table sort on initial run of the widget
                $table.addClass('hasSaveSort');
                sortList = '';
                // get data
                if (ts.storage) {
                    stored = ts.storage( table, 'tablesorter-savesort' );
                    sortList = (stored && stored.hasOwnProperty('sortList') && $.isArray(stored.sortList)) ? stored.sortList : '';
                    if (c.debug) {
                        ts.benchmark('saveSort: Last sort loaded: "' + sortList + '"', time);
                    }
                    $table.bind('saveSortReset', function(event) {
                        event.stopPropagation();
                        ts.storage( table, 'tablesorter-savesort', '' );
                    });
                }
                // init is true when widget init is run, this will run this widget before all other widgets have initialized
                // this method allows using this widget in the original tablesorter plugin; but then it will run all widgets twice.
                if (init && sortList && sortList.length > 0) {
                    c.sortList = sortList;
                } else if (table.hasInitialized && sortList && sortList.length > 0) {
                    // update sort change
                    $table.trigger('sorton', [sortList]);
                }
            }
        },
        remove: function(table) {
            // clear storage
            if (ts.storage) { ts.storage( table, 'tablesorter-savesort', '' ); }
        }
    });

})(jQuery, window);