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assets/js/tablesorter/js/jquery.tablesorter.js

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(function(factory){if (typeof define === 'function' && define.amd){define(['jquery'], factory);} else if (typeof module === 'object' && typeof module.exports === 'object'){module.exports = factory(require('jquery'));} else {factory(jQuery);}}(function(jQuery){
/*! TableSorter (FORK) v2.31.3 *//*
* Client-side table sorting with ease!
* @requires jQuery v1.2.6+
*
* Copyright (c) 2007 Christian Bach
* fork maintained by Rob Garrison
*
* Examples and original docs at: http://tablesorter.com
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* https://www.gnu.org/licenses/gpl.html
*
* @type jQuery
* @name tablesorter (FORK)
* @cat Plugins/Tablesorter
* @author Christian Bach - christian.bach@polyester.se
* @contributor Rob Garrison - https://github.com/Mottie/tablesorter
* @docs (fork) - https://mottie.github.io/tablesorter/docs/
*/
/*jshint browser:true, jquery:true, unused:false, expr: true */
;( function( $ ) {
    'use strict';
    var ts = $.tablesorter = {

        version : '2.31.3',

        parsers : [],
        widgets : [],
        defaults : {

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

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

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

            // *** sort options
            headers          : {},         // set sorter, string, empty, locked order, sortInitialOrder, filter, etc.
            ignoreCase       : true,       // ignore case while sorting
            sortForce        : null,       // column(s) first sorted; always applied
            sortList         : [],         // Initial sort order; applied initially; updated when manually sorted
            sortAppend       : null,       // column(s) sorted last; always applied
            sortStable       : false,      // when sorting two rows with exactly the same content, the original sort order is maintained

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

            emptyTo          : 'bottom',   // sort empty cell to bottom, top, none, zero, emptyMax, emptyMin
            stringTo         : 'max',      // sort strings in numerical column as max, min, top, bottom, zero
            duplicateSpan    : true,       // colspan cells in the tbody will have duplicated content in the cache for each spanned column
            textExtraction   : 'basic',    // text extraction method/function - function( node, table, cellIndex ) {}
            textAttribute    : 'data-text',// data-attribute that contains alternate cell text (used in default textExtraction function)
            textSorter       : null,       // choose overall or specific column sorter function( a, b, direction, table, columnIndex ) [alt: ts.sortText]
            numberSorter     : null,       // choose overall numeric sorter function( a, b, direction, maxColumnValue )

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

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

            // *** extra css class names
            tableClass       : '',
            cssAsc           : '',
            cssDesc          : '',
            cssNone          : '',
            cssHeader        : '',
            cssHeaderRow     : '',
            cssProcessing    : '', // processing icon applied to header during sort/filter

            cssChildRow      : 'tablesorter-childRow', // class name indiciating that a row is to be attached to its parent
            cssInfoBlock     : 'tablesorter-infoOnly', // don't sort tbody with this class name (only one class name allowed here!)
            cssNoSort        : 'tablesorter-noSort',   // class name added to element inside header; clicking on it won't cause a sort
            cssIgnoreRow     : 'tablesorter-ignoreRow',// header row to ignore; cells within this row will not be added to c.$headers

            cssIcon          : 'tablesorter-icon', // if this class does not exist, the {icon} will not be added from the headerTemplate
            cssIconNone      : '', // class name added to the icon when there is no column sort
            cssIconAsc       : '', // class name added to the icon when the column has an ascending sort
            cssIconDesc      : '', // class name added to the icon when the column has a descending sort
            cssIconDisabled  : '', // class name added to the icon when the column has a disabled sort

            // *** events
            pointerClick     : 'click',
            pointerDown      : 'mousedown',
            pointerUp        : 'mouseup',

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

            // *** advanced
            debug            : false,

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

            // *** parser options for validator; values must be falsy!
            globalize: 0,
            imgAttr: 0

            // removed: widgetZebra: { css: ['even', 'odd'] }

        },

        // internal css classes - these will ALWAYS be added to
        // the table and MUST only contain one class name - fixes #381
        css : {
            table      : 'tablesorter',
            cssHasChild: 'tablesorter-hasChildRow',
            childRow   : 'tablesorter-childRow',
            colgroup   : 'tablesorter-colgroup',
            header     : 'tablesorter-header',
            headerRow  : 'tablesorter-headerRow',
            headerIn   : 'tablesorter-header-inner',
            icon       : 'tablesorter-icon',
            processing : 'tablesorter-processing',
            sortAsc    : 'tablesorter-headerAsc',
            sortDesc   : 'tablesorter-headerDesc',
            sortNone   : 'tablesorter-headerUnSorted'
        },

        // labels applied to sortable headers for accessibility (aria) support
        language : {
            sortAsc      : 'Ascending sort applied, ',
            sortDesc     : 'Descending sort applied, ',
            sortNone     : 'No sort applied, ',
            sortDisabled : 'sorting is disabled',
            nextAsc      : 'activate to apply an ascending sort',
            nextDesc     : 'activate to apply a descending sort',
            nextNone     : 'activate to remove the sort'
        },

        regex : {
            templateContent : /\{content\}/g,
            templateIcon    : /\{icon\}/g,
            templateName    : /\{name\}/i,
            spaces          : /\s+/g,
            nonWord         : /\W/g,
            formElements    : /(input|select|button|textarea)/i,

            // *** sort functions ***
            // regex used in natural sort
            // chunk/tokenize numbers & letters
            chunk  : /(^([+\-]?(?:\d*)(?:\.\d*)?(?:[eE][+\-]?\d+)?)?$|^0x[0-9a-f]+$|\d+)/gi,
            // replace chunks @ ends
            chunks : /(^\\0|\\0$)/,
            hex    : /^0x[0-9a-f]+$/i,

            // *** formatFloat ***
            comma                : /,/g,
            digitNonUS           : /[\s|\.]/g,
            digitNegativeTest    : /^\s*\([.\d]+\)/,
            digitNegativeReplace : /^\s*\(([.\d]+)\)/,

            // *** isDigit ***
            digitTest    : /^[\-+(]?\d+[)]?$/,
            digitReplace : /[,.'"\s]/g

        },

        // digit sort, text location
        string : {
            max      : 1,
            min      : -1,
            emptymin : 1,
            emptymax : -1,
            zero     : 0,
            none     : 0,
            'null'   : 0,
            top      : true,
            bottom   : false
        },

        keyCodes : {
            enter : 13
        },

        // placeholder date parser data (globalize)
        dates : {},

        // These methods can be applied on table.config instance
        instanceMethods : {},

        /*
        ▄█████ ██████ ██████ ██  ██ █████▄
        ▀█▄    ██▄▄     ██   ██  ██ ██▄▄██
           ▀█▄ ██▀▀     ██   ██  ██ ██▀▀▀
        █████▀ ██████   ██   ▀████▀ ██
        */

        setup : function( table, c ) {
            // if no thead or tbody, or tablesorter is already present, quit
            if ( !table || !table.tHead || table.tBodies.length === 0 || table.hasInitialized === true ) {
                if ( ts.debug(c, 'core') ) {
                    if ( table.hasInitialized ) {
                        console.warn( 'Stopping initialization. Tablesorter has already been initialized' );
                    } else {
                        console.error( 'Stopping initialization! No table, thead or tbody', table );
                    }
                }
                return;
            }

            var tmp = '',
                $table = $( table ),
                meta = $.metadata;
            // initialization flag
            table.hasInitialized = false;
            // table is being processed flag
            table.isProcessing = true;
            // make sure to store the config object
            table.config = c;
            // save the settings where they read
            $.data( table, 'tablesorter', c );
            if ( ts.debug(c, 'core') ) {
                console[ console.group ? 'group' : 'log' ]( 'Initializing tablesorter v' + ts.version );
                $.data( table, 'startoveralltimer', new Date() );
            }

            // removing this in version 3 (only supports jQuery 1.7+)
            c.supportsDataObject = ( function( version ) {
                version[ 0 ] = parseInt( version[ 0 ], 10 );
                return ( version[ 0 ] > 1 ) || ( version[ 0 ] === 1 && parseInt( version[ 1 ], 10 ) >= 4 );
            })( $.fn.jquery.split( '.' ) );
            // ensure case insensitivity
            c.emptyTo = c.emptyTo.toLowerCase();
            c.stringTo = c.stringTo.toLowerCase();
            c.last = { sortList : [], clickedIndex : -1 };
            // add table theme class only if there isn't already one there
            if ( !/tablesorter\-/.test( $table.attr( 'class' ) ) ) {
                tmp = ( c.theme !== '' ? ' tablesorter-' + c.theme : '' );
            }

            // give the table a unique id, which will be used in namespace binding
            if ( !c.namespace ) {
                c.namespace = '.tablesorter' + Math.random().toString( 16 ).slice( 2 );
            } else {
                // make sure namespace starts with a period & doesn't have weird characters
                c.namespace = '.' + c.namespace.replace( ts.regex.nonWord, '' );
            }

            c.table = table;
            c.$table = $table
                // add namespace to table to allow bindings on extra elements to target
                // the parent table (e.g. parser-input-select)
                .addClass( ts.css.table + ' ' + c.tableClass + tmp + ' ' + c.namespace.slice(1) )
                .attr( 'role', 'grid' );
            c.$headers = $table.find( c.selectorHeaders );

            c.$table.children().children( 'tr' ).attr( 'role', 'row' );
            c.$tbodies = $table.children( 'tbody:not(.' + c.cssInfoBlock + ')' ).attr({
                'aria-live' : 'polite',
                'aria-relevant' : 'all'
            });
            if ( c.$table.children( 'caption' ).length ) {
                tmp = c.$table.children( 'caption' )[ 0 ];
                if ( !tmp.id ) { tmp.id = c.namespace.slice( 1 ) + 'caption'; }
                c.$table.attr( 'aria-labelledby', tmp.id );
            }
            c.widgetInit = {}; // keep a list of initialized widgets
            // change textExtraction via data-attribute
            c.textExtraction = c.$table.attr( 'data-text-extraction' ) || c.textExtraction || 'basic';
            // build headers
            ts.buildHeaders( c );
            // fixate columns if the users supplies the fixedWidth option
            // do this after theme has been applied
            ts.fixColumnWidth( table );
            // add widgets from class name
            ts.addWidgetFromClass( table );
            // add widget options before parsing (e.g. grouping widget has parser settings)
            ts.applyWidgetOptions( table );
            // try to auto detect column type, and store in tables config
            ts.setupParsers( c );
            // start total row count at zero
            c.totalRows = 0;
            // only validate options while debugging. See #1528
            if (c.debug) {
                ts.validateOptions( c );
            }
            // build the cache for the tbody cells
            // delayInit will delay building the cache until the user starts a sort
            if ( !c.delayInit ) { ts.buildCache( c ); }
            // bind all header events and methods
            ts.bindEvents( table, c.$headers, true );
            ts.bindMethods( c );
            // get sort list from jQuery data or metadata
            // in jQuery < 1.4, an error occurs when calling $table.data()
            if ( c.supportsDataObject && typeof $table.data().sortlist !== 'undefined' ) {
                c.sortList = $table.data().sortlist;
            } else if ( meta && ( $table.metadata() && $table.metadata().sortlist ) ) {
                c.sortList = $table.metadata().sortlist;
            }
            // apply widget init code
            ts.applyWidget( table, true );
            // if user has supplied a sort list to constructor
            if ( c.sortList.length > 0 ) {
                // save sortList before any sortAppend is added
                c.last.sortList = c.sortList;
                ts.sortOn( c, c.sortList, {}, !c.initWidgets );
            } else {
                ts.setHeadersCss( c );
                if ( c.initWidgets ) {
                    // apply widget format
                    ts.applyWidget( table, false );
                }
            }

            // show processesing icon
            if ( c.showProcessing ) {
                $table
                .unbind( 'sortBegin' + c.namespace + ' sortEnd' + c.namespace )
                .bind( 'sortBegin' + c.namespace + ' sortEnd' + c.namespace, function( e ) {
                    clearTimeout( c.timerProcessing );
                    ts.isProcessing( table );
                    if ( e.type === 'sortBegin' ) {
                        c.timerProcessing = setTimeout( function() {
                            ts.isProcessing( table, true );
                        }, 500 );
                    }
                });
            }

            // initialized
            table.hasInitialized = true;
            table.isProcessing = false;
            if ( ts.debug(c, 'core') ) {
                console.log( 'Overall initialization time:' + ts.benchmark( $.data( table, 'startoveralltimer' ) ) );
                if ( ts.debug(c, 'core') && console.groupEnd ) { console.groupEnd(); }
            }
            $table.triggerHandler( 'tablesorter-initialized', table );
            if ( typeof c.initialized === 'function' ) {
                c.initialized( table );
            }
        },

        bindMethods : function( c ) {
            var $table = c.$table,
                namespace = c.namespace,
                events = ( 'sortReset update updateRows updateAll updateHeaders addRows updateCell updateComplete ' +
                    'sorton appendCache updateCache applyWidgetId applyWidgets refreshWidgets destroy mouseup ' +
                    'mouseleave ' ).split( ' ' )
                    .join( namespace + ' ' );
            // apply easy methods that trigger bound events
            $table
            .unbind( events.replace( ts.regex.spaces, ' ' ) )
            .bind( 'sortReset' + namespace, function( e, callback ) {
                e.stopPropagation();
                // using this.config to ensure functions are getting a non-cached version of the config
                ts.sortReset( this.config, function( table ) {
                    if (table.isApplyingWidgets) {
                        // multiple triggers in a row... filterReset, then sortReset - see #1361
                        // wait to update widgets
                        setTimeout( function() {
                            ts.applyWidget( table, '', callback );
                        }, 100 );
                    } else {
                        ts.applyWidget( table, '', callback );
                    }
                });
            })
            .bind( 'updateAll' + namespace, function( e, resort, callback ) {
                e.stopPropagation();
                ts.updateAll( this.config, resort, callback );
            })
            .bind( 'update' + namespace + ' updateRows' + namespace, function( e, resort, callback ) {
                e.stopPropagation();
                ts.update( this.config, resort, callback );
            })
            .bind( 'updateHeaders' + namespace, function( e, callback ) {
                e.stopPropagation();
                ts.updateHeaders( this.config, callback );
            })
            .bind( 'updateCell' + namespace, function( e, cell, resort, callback ) {
                e.stopPropagation();
                ts.updateCell( this.config, cell, resort, callback );
            })
            .bind( 'addRows' + namespace, function( e, $row, resort, callback ) {
                e.stopPropagation();
                ts.addRows( this.config, $row, resort, callback );
            })
            .bind( 'updateComplete' + namespace, function() {
                this.isUpdating = false;
            })
            .bind( 'sorton' + namespace, function( e, list, callback, init ) {
                e.stopPropagation();
                ts.sortOn( this.config, list, callback, init );
            })
            .bind( 'appendCache' + namespace, function( e, callback, init ) {
                e.stopPropagation();
                ts.appendCache( this.config, init );
                if ( $.isFunction( callback ) ) {
                    callback( this );
                }
            })
            // $tbodies variable is used by the tbody sorting widget
            .bind( 'updateCache' + namespace, function( e, callback, $tbodies ) {
                e.stopPropagation();
                ts.updateCache( this.config, callback, $tbodies );
            })
            .bind( 'applyWidgetId' + namespace, function( e, id ) {
                e.stopPropagation();
                ts.applyWidgetId( this, id );
            })
            .bind( 'applyWidgets' + namespace, function( e, callback ) {
                e.stopPropagation();
                // apply widgets (false = not initializing)
                ts.applyWidget( this, false, callback );
            })
            .bind( 'refreshWidgets' + namespace, function( e, all, dontapply ) {
                e.stopPropagation();
                ts.refreshWidgets( this, all, dontapply );
            })
            .bind( 'removeWidget' + namespace, function( e, name, refreshing ) {
                e.stopPropagation();
                ts.removeWidget( this, name, refreshing );
            })
            .bind( 'destroy' + namespace, function( e, removeClasses, callback ) {
                e.stopPropagation();
                ts.destroy( this, removeClasses, callback );
            })
            .bind( 'resetToLoadState' + namespace, function( e ) {
                e.stopPropagation();
                // remove all widgets
                ts.removeWidget( this, true, false );
                var tmp = $.extend( true, {}, c.originalSettings );
                // restore original settings; this clears out current settings, but does not clear
                // values saved to storage.
                c = $.extend( true, {}, ts.defaults, tmp );
                c.originalSettings = tmp;
                this.hasInitialized = false;
                // setup the entire table again
                ts.setup( this, c );
            });
        },

        bindEvents : function( table, $headers, core ) {
            table = $( table )[ 0 ];
            var tmp,
                c = table.config,
                namespace = c.namespace,
                downTarget = null;
            if ( core !== true ) {
                $headers.addClass( namespace.slice( 1 ) + '_extra_headers' );
                tmp = ts.getClosest( $headers, 'table' );
                if ( tmp.length && tmp[ 0 ].nodeName === 'TABLE' && tmp[ 0 ] !== table ) {
                    $( tmp[ 0 ] ).addClass( namespace.slice( 1 ) + '_extra_table' );
                }
            }
            tmp = ( c.pointerDown + ' ' + c.pointerUp + ' ' + c.pointerClick + ' sort keyup ' )
                .replace( ts.regex.spaces, ' ' )
                .split( ' ' )
                .join( namespace + ' ' );
            // apply event handling to headers and/or additional headers (stickyheaders, scroller, etc)
            $headers
            // http://stackoverflow.com/questions/5312849/jquery-find-self;
            .find( c.selectorSort )
            .add( $headers.filter( c.selectorSort ) )
            .unbind( tmp )
            .bind( tmp, function( e, external ) {
                var $cell, cell, temp,
                    $target = $( e.target ),
                    // wrap event type in spaces, so the match doesn't trigger on inner words
                    type = ' ' + e.type + ' ';
                // only recognize left clicks
                if ( ( ( e.which || e.button ) !== 1 && !type.match( ' ' + c.pointerClick + ' | sort | keyup ' ) ) ||
                    // allow pressing enter
                    ( type === ' keyup ' && e.which !== ts.keyCodes.enter ) ||
                    // allow triggering a click event (e.which is undefined) & ignore physical clicks
                    ( type.match( ' ' + c.pointerClick + ' ' ) && typeof e.which !== 'undefined' ) ) {
                    return;
                }
                // ignore mouseup if mousedown wasn't on the same target
                if ( type.match( ' ' + c.pointerUp + ' ' ) && downTarget !== e.target && external !== true ) {
                    return;
                }
                // set target on mousedown
                if ( type.match( ' ' + c.pointerDown + ' ' ) ) {
                    downTarget = e.target;
                    // preventDefault needed or jQuery v1.3.2 and older throws an
                    // "Uncaught TypeError: handler.apply is not a function" error
                    temp = $target.jquery.split( '.' );
                    if ( temp[ 0 ] === '1' && temp[ 1 ] < 4 ) { e.preventDefault(); }
                    return;
                }
                downTarget = null;
                $cell = ts.getClosest( $( this ), '.' + ts.css.header );
                // prevent sort being triggered on form elements
                if ( ts.regex.formElements.test( e.target.nodeName ) ||
                    // nosort class name, or elements within a nosort container
                    $target.hasClass( c.cssNoSort ) || $target.parents( '.' + c.cssNoSort ).length > 0 ||
                    // disabled cell directly clicked
                    $cell.hasClass( 'sorter-false' ) ||
                    // elements within a button
                    $target.parents( 'button' ).length > 0 ) {
                    return !c.cancelSelection;
                }
                if ( c.delayInit && ts.isEmptyObject( c.cache ) ) {
                    ts.buildCache( c );
                }
                // use column index from data-attribute or index of current row; fixes #1116
                c.last.clickedIndex = $cell.attr( 'data-column' ) || $cell.index();
                cell = c.$headerIndexed[ c.last.clickedIndex ][0];
                if ( cell && !cell.sortDisabled ) {
                    ts.initSort( c, cell, e );
                }
            });
            if ( c.cancelSelection ) {
                // cancel selection
                $headers
                    .attr( 'unselectable', 'on' )
                    .bind( 'selectstart', false )
                    .css({
                        'user-select' : 'none',
                        'MozUserSelect' : 'none' // not needed for jQuery 1.8+
                    });
            }
        },

        buildHeaders : function( c ) {
            var $temp, icon, timer, indx;
            c.headerList = [];
            c.headerContent = [];
            c.sortVars = [];
            if ( ts.debug(c, 'core') ) {
                timer = new Date();
            }
            // children tr in tfoot - see issue #196 & #547
            // don't pass table.config to computeColumnIndex here - widgets (math) pass it to "quickly" index tbody cells
            c.columns = ts.computeColumnIndex( c.$table.children( 'thead, tfoot' ).children( 'tr' ) );
            // add icon if cssIcon option exists
            icon = c.cssIcon ?
                '<i class="' + ( c.cssIcon === ts.css.icon ? ts.css.icon : c.cssIcon + ' ' + ts.css.icon ) + '"></i>' :
                '';
            // redefine c.$headers here in case of an updateAll that replaces or adds an entire header cell - see #683
            c.$headers = $( $.map( c.$table.find( c.selectorHeaders ), function( elem, index ) {
                var configHeaders, header, column, template, tmp,
                    $elem = $( elem );
                // ignore cell (don't add it to c.$headers) if row has ignoreRow class
                if ( ts.getClosest( $elem, 'tr' ).hasClass( c.cssIgnoreRow ) ) { return; }
                // transfer data-column to element if not th/td - #1459
                if ( !/(th|td)/i.test( elem.nodeName ) ) {
                    tmp = ts.getClosest( $elem, 'th, td' );
                    $elem.attr( 'data-column', tmp.attr( 'data-column' ) );
                }
                // make sure to get header cell & not column indexed cell
                configHeaders = ts.getColumnData( c.table, c.headers, index, true );
                // save original header content
                c.headerContent[ index ] = $elem.html();
                // if headerTemplate is empty, don't reformat the header cell
                if ( c.headerTemplate !== '' && !$elem.find( '.' + ts.css.headerIn ).length ) {
                    // set up header template
                    template = c.headerTemplate
                        .replace( ts.regex.templateContent, $elem.html() )
                        .replace( ts.regex.templateIcon, $elem.find( '.' + ts.css.icon ).length ? '' : icon );
                    if ( c.onRenderTemplate ) {
                        header = c.onRenderTemplate.apply( $elem, [ index, template ] );
                        // only change t if something is returned
                        if ( header && typeof header === 'string' ) {
                            template = header;
                        }
                    }
                    $elem.html( '<div class="' + ts.css.headerIn + '">' + template + '</div>' ); // faster than wrapInner
                }
                if ( c.onRenderHeader ) {
                    c.onRenderHeader.apply( $elem, [ index, c, c.$table ] );
                }
                column = parseInt( $elem.attr( 'data-column' ), 10 );
                elem.column = column;
                tmp = ts.getOrder( ts.getData( $elem, configHeaders, 'sortInitialOrder' ) || c.sortInitialOrder );
                // this may get updated numerous times if there are multiple rows
                c.sortVars[ column ] = {
                    count : -1, // set to -1 because clicking on the header automatically adds one
                    order : tmp ?
                        ( c.sortReset ? [ 1, 0, 2 ] : [ 1, 0 ] ) : // desc, asc, unsorted
                        ( c.sortReset ? [ 0, 1, 2 ] : [ 0, 1 ] ),  // asc, desc, unsorted
                    lockedOrder : false,
                    sortedBy : ''
                };
                tmp = ts.getData( $elem, configHeaders, 'lockedOrder' ) || false;
                if ( typeof tmp !== 'undefined' && tmp !== false ) {
                    c.sortVars[ column ].lockedOrder = true;
                    c.sortVars[ column ].order = ts.getOrder( tmp ) ? [ 1, 1 ] : [ 0, 0 ];
                }
                // add cell to headerList
                c.headerList[ index ] = elem;
                $elem.addClass( ts.css.header + ' ' + c.cssHeader );
                // add to parent in case there are multiple rows
                ts.getClosest( $elem, 'tr' )
                    .addClass( ts.css.headerRow + ' ' + c.cssHeaderRow )
                    .attr( 'role', 'row' );
                // allow keyboard cursor to focus on element
                if ( c.tabIndex ) {
                    $elem.attr( 'tabindex', 0 );
                }
                return elem;
            }) );
            // cache headers per column
            c.$headerIndexed = [];
            for ( indx = 0; indx < c.columns; indx++ ) {
                // colspan in header making a column undefined
                if ( ts.isEmptyObject( c.sortVars[ indx ] ) ) {
                    c.sortVars[ indx ] = {};
                }
                // Use c.$headers.parent() in case selectorHeaders doesn't point to the th/td
                $temp = c.$headers.filter( '[data-column="' + indx + '"]' );
                // target sortable column cells, unless there are none, then use non-sortable cells
                // .last() added in jQuery 1.4; use .filter(':last') to maintain compatibility with jQuery v1.2.6
                c.$headerIndexed[ indx ] = $temp.length ?
                    $temp.not( '.sorter-false' ).length ?
                        $temp.not( '.sorter-false' ).filter( ':last' ) :
                        $temp.filter( ':last' ) :
                    $();
            }
            c.$table.find( c.selectorHeaders ).attr({
                scope: 'col',
                role : 'columnheader'
            });
            // enable/disable sorting
            ts.updateHeader( c );
            if ( ts.debug(c, 'core') ) {
                console.log( 'Built headers:' + ts.benchmark( timer ) );
                console.log( c.$headers );
            }
        },

        // Use it to add a set of methods to table.config which will be available for all tables.
        // This should be done before table initialization
        addInstanceMethods : function( methods ) {
            $.extend( ts.instanceMethods, methods );
        },

        /*
        █████▄ ▄████▄ █████▄ ▄█████ ██████ █████▄ ▄█████
        ██▄▄██ ██▄▄██ ██▄▄██ ▀█▄    ██▄▄   ██▄▄██ ▀█▄
        ██▀▀▀  ██▀▀██ ██▀██     ▀█▄ ██▀▀   ██▀██     ▀█▄
        ██     ██  ██ ██  ██ █████▀ ██████ ██  ██ █████▀
        */
        setupParsers : function( c, $tbodies ) {
            var rows, list, span, max, colIndex, indx, header, configHeaders,
                noParser, parser, extractor, time, tbody, len,
                table = c.table,
                tbodyIndex = 0,
                debug = ts.debug(c, 'core'),
                debugOutput = {};
            // update table bodies in case we start with an empty table
            c.$tbodies = c.$table.children( 'tbody:not(.' + c.cssInfoBlock + ')' );
            tbody = typeof $tbodies === 'undefined' ? c.$tbodies : $tbodies;
            len = tbody.length;
            if ( len === 0 ) {
                return debug ? console.warn( 'Warning: *Empty table!* Not building a parser cache' ) : '';
            } else if ( debug ) {
                time = new Date();
                console[ console.group ? 'group' : 'log' ]( 'Detecting parsers for each column' );
            }
            list = {
                extractors: [],
                parsers: []
            };
            while ( tbodyIndex < len ) {
                rows = tbody[ tbodyIndex ].rows;
                if ( rows.length ) {
                    colIndex = 0;
                    max = c.columns;
                    for ( indx = 0; indx < max; indx++ ) {
                        header = c.$headerIndexed[ colIndex ];
                        if ( header && header.length ) {
                            // get column indexed table cell; adding true parameter fixes #1362 but
                            // it would break backwards compatibility...
                            configHeaders = ts.getColumnData( table, c.headers, colIndex ); // , true );
                            // get column parser/extractor
                            extractor = ts.getParserById( ts.getData( header, configHeaders, 'extractor' ) );
                            parser = ts.getParserById( ts.getData( header, configHeaders, 'sorter' ) );
                            noParser = ts.getData( header, configHeaders, 'parser' ) === 'false';
                            // empty cells behaviour - keeping emptyToBottom for backwards compatibility
                            c.empties[colIndex] = (
                                ts.getData( header, configHeaders, 'empty' ) ||
                                c.emptyTo || ( c.emptyToBottom ? 'bottom' : 'top' ) ).toLowerCase();
                            // text strings behaviour in numerical sorts
                            c.strings[colIndex] = (
                                ts.getData( header, configHeaders, 'string' ) ||
                                c.stringTo ||
                                'max' ).toLowerCase();
                            if ( noParser ) {
                                parser = ts.getParserById( 'no-parser' );
                            }
                            if ( !extractor ) {
                                // For now, maybe detect someday
                                extractor = false;
                            }
                            if ( !parser ) {
                                parser = ts.detectParserForColumn( c, rows, -1, colIndex );
                            }
                            if ( debug ) {
                                debugOutput[ '(' + colIndex + ') ' + header.text() ] = {
                                    parser : parser.id,
                                    extractor : extractor ? extractor.id : 'none',
                                    string : c.strings[ colIndex ],
                                    empty  : c.empties[ colIndex ]
                                };
                            }
                            list.parsers[ colIndex ] = parser;
                            list.extractors[ colIndex ] = extractor;
                            span = header[ 0 ].colSpan - 1;
                            if ( span > 0 ) {
                                colIndex += span;
                                max += span;
                                while ( span + 1 > 0 ) {
                                    // set colspan columns to use the same parsers & extractors
                                    list.parsers[ colIndex - span ] = parser;
                                    list.extractors[ colIndex - span ] = extractor;
                                    span--;
                                }
                            }
                        }
                        colIndex++;
                    }
                }
                tbodyIndex += ( list.parsers.length ) ? len : 1;
            }
            if ( debug ) {
                if ( !ts.isEmptyObject( debugOutput ) ) {
                    console[ console.table ? 'table' : 'log' ]( debugOutput );
                } else {
                    console.warn( '  No parsers detected!' );
                }
                console.log( 'Completed detecting parsers' + ts.benchmark( time ) );
                if ( console.groupEnd ) { console.groupEnd(); }
            }
            c.parsers = list.parsers;
            c.extractors = list.extractors;
        },

        addParser : function( parser ) {
            var indx,
                len = ts.parsers.length,
                add = true;
            for ( indx = 0; indx < len; indx++ ) {
                if ( ts.parsers[ indx ].id.toLowerCase() === parser.id.toLowerCase() ) {
                    add = false;
                }
            }
            if ( add ) {
                ts.parsers[ ts.parsers.length ] = parser;
            }
        },

        getParserById : function( name ) {
            /*jshint eqeqeq:false */ // eslint-disable-next-line eqeqeq
            if ( name == 'false' ) { return false; }
            var indx,
                len = ts.parsers.length;
            for ( indx = 0; indx < len; indx++ ) {
                if ( ts.parsers[ indx ].id.toLowerCase() === ( name.toString() ).toLowerCase() ) {
                    return ts.parsers[ indx ];
                }
            }
            return false;
        },

        detectParserForColumn : function( c, rows, rowIndex, cellIndex ) {
            var cur, $node, row,
                indx = ts.parsers.length,
                node = false,
                nodeValue = '',
                debug = ts.debug(c, 'core'),
                keepLooking = true;
            while ( nodeValue === '' && keepLooking ) {
                rowIndex++;
                row = rows[ rowIndex ];
                // stop looking after 50 empty rows
                if ( row && rowIndex < 50 ) {
                    if ( row.className.indexOf( ts.cssIgnoreRow ) < 0 ) {
                        node = rows[ rowIndex ].cells[ cellIndex ];
                        nodeValue = ts.getElementText( c, node, cellIndex );
                        $node = $( node );
                        if ( debug ) {
                            console.log( 'Checking if value was empty on row ' + rowIndex + ', column: ' +
                                cellIndex + ': "' + nodeValue + '"' );
                        }
                    }
                } else {
                    keepLooking = false;
                }
            }
            while ( --indx >= 0 ) {
                cur = ts.parsers[ indx ];
                // ignore the default text parser because it will always be true
                if ( cur && cur.id !== 'text' && cur.is && cur.is( nodeValue, c.table, node, $node ) ) {
                    return cur;
                }
            }
            // nothing found, return the generic parser (text)
            return ts.getParserById( 'text' );
        },

        getElementText : function( c, node, cellIndex ) {
            if ( !node ) { return ''; }
            var tmp,
                extract = c.textExtraction || '',
                // node could be a jquery object
                // http://jsperf.com/jquery-vs-instanceof-jquery/2
                $node = node.jquery ? node : $( node );
            if ( typeof extract === 'string' ) {
                // check data-attribute first when set to 'basic'; don't use node.innerText - it's really slow!
                // http://www.kellegous.com/j/2013/02/27/innertext-vs-textcontent/
                if ( extract === 'basic' && typeof ( tmp = $node.attr( c.textAttribute ) ) !== 'undefined' ) {
                    return $.trim( tmp );
                }
                return $.trim( node.textContent || $node.text() );
            } else {
                if ( typeof extract === 'function' ) {
                    return $.trim( extract( $node[ 0 ], c.table, cellIndex ) );
                } else if ( typeof ( tmp = ts.getColumnData( c.table, extract, cellIndex ) ) === 'function' ) {
                    return $.trim( tmp( $node[ 0 ], c.table, cellIndex ) );
                }
            }
            // fallback
            return $.trim( $node[ 0 ].textContent || $node.text() );
        },

        // centralized function to extract/parse cell contents
        getParsedText : function( c, cell, colIndex, txt ) {
            if ( typeof txt === 'undefined' ) {
                txt = ts.getElementText( c, cell, colIndex );
            }
            // if no parser, make sure to return the txt
            var val = '' + txt,
                parser = c.parsers[ colIndex ],
                extractor = c.extractors[ colIndex ];
            if ( parser ) {
                // do extract before parsing, if there is one
                if ( extractor && typeof extractor.format === 'function' ) {
                    txt = extractor.format( txt, c.table, cell, colIndex );
                }
                // allow parsing if the string is empty, previously parsing would change it to zero,
                // in case the parser needs to extract data from the table cell attributes
                val = parser.id === 'no-parser' ? '' :
                    // make sure txt is a string (extractor may have converted it)
                    parser.format( '' + txt, c.table, cell, colIndex );
                if ( c.ignoreCase && typeof val === 'string' ) {
                    val = val.toLowerCase();
                }
            }
            return val;
        },

        /*
        ▄████▄ ▄████▄ ▄████▄ ██  ██ ██████
        ██  ▀▀ ██▄▄██ ██  ▀▀ ██▄▄██ ██▄▄
        ██  ▄▄ ██▀▀██ ██  ▄▄ ██▀▀██ ██▀▀
        ▀████▀ ██  ██ ▀████▀ ██  ██ ██████
        */
        buildCache : function( c, callback, $tbodies ) {
            var cache, val, txt, rowIndex, colIndex, tbodyIndex, $tbody, $row,
                cols, $cells, cell, cacheTime, totalRows, rowData, prevRowData,
                colMax, span, cacheIndex, hasParser, max, len, index,
                table = c.table,
                parsers = c.parsers,
                debug = ts.debug(c, 'core');
            // update tbody variable
            c.$tbodies = c.$table.children( 'tbody:not(.' + c.cssInfoBlock + ')' );
            $tbody = typeof $tbodies === 'undefined' ? c.$tbodies : $tbodies,
            c.cache = {};
            c.totalRows = 0;
            // if no parsers found, return - it's an empty table.
            if ( !parsers ) {
                return debug ? console.warn( 'Warning: *Empty table!* Not building a cache' ) : '';
            }
            if ( debug ) {
                cacheTime = new Date();
            }
            // processing icon
            if ( c.showProcessing ) {
                ts.isProcessing( table, true );
            }
            for ( tbodyIndex = 0; tbodyIndex < $tbody.length; tbodyIndex++ ) {
                colMax = []; // column max value per tbody
                cache = c.cache[ tbodyIndex ] = {
                    normalized: [] // array of normalized row data; last entry contains 'rowData' above
                    // colMax: #   // added at the end
                };

                totalRows = ( $tbody[ tbodyIndex ] && $tbody[ tbodyIndex ].rows.length ) || 0;
                for ( rowIndex = 0; rowIndex < totalRows; ++rowIndex ) {
                    rowData = {
                        // order: original row order #
                        // $row : jQuery Object[]
                        child: [], // child row text (filter widget)
                        raw: []    // original row text
                    };
                    /** Add the table data to main data array */
                    $row = $( $tbody[ tbodyIndex ].rows[ rowIndex ] );
                    cols = [];
                    // ignore "remove-me" rows
                    if ( $row.hasClass( c.selectorRemove.slice(1) ) ) {
                        continue;
                    }
                    // if this is a child row, add it to the last row's children and continue to the next row
                    // ignore child row class, if it is the first row
                    if ( $row.hasClass( c.cssChildRow ) && rowIndex !== 0 ) {
                        len = cache.normalized.length - 1;
                        prevRowData = cache.normalized[ len ][ c.columns ];
                        prevRowData.$row = prevRowData.$row.add( $row );
                        // add 'hasChild' class name to parent row
                        if ( !$row.prev().hasClass( c.cssChildRow ) ) {
                            $row.prev().addClass( ts.css.cssHasChild );
                        }
                        // save child row content (un-parsed!)
                        $cells = $row.children( 'th, td' );
                        len = prevRowData.child.length;
                        prevRowData.child[ len ] = [];
                        // child row content does not account for colspans/rowspans; so indexing may be off
                        cacheIndex = 0;
                        max = c.columns;
                        for ( colIndex = 0; colIndex < max; colIndex++ ) {
                            cell = $cells[ colIndex ];
                            if ( cell ) {
                                prevRowData.child[ len ][ colIndex ] = ts.getParsedText( c, cell, colIndex );
                                span = $cells[ colIndex ].colSpan - 1;
                                if ( span > 0 ) {
                                    cacheIndex += span;
                                    max += span;
                                }
                            }
                            cacheIndex++;
                        }
                        // go to the next for loop
                        continue;
                    }
                    rowData.$row = $row;
                    rowData.order = rowIndex; // add original row position to rowCache
                    cacheIndex = 0;
                    max = c.columns;
                    for ( colIndex = 0; colIndex < max; ++colIndex ) {
                        cell = $row[ 0 ].cells[ colIndex ];
                        if ( cell && cacheIndex < c.columns ) {
                            hasParser = typeof parsers[ cacheIndex ] !== 'undefined';
                            if ( !hasParser && debug ) {
                                console.warn( 'No parser found for row: ' + rowIndex + ', column: ' + colIndex +
                                    '; cell containing: "' + $(cell).text() + '"; does it have a header?' );
                            }
                            val = ts.getElementText( c, cell, cacheIndex );
                            rowData.raw[ cacheIndex ] = val; // save original row text
                            // save raw column text even if there is no parser set
                            txt = ts.getParsedText( c, cell, cacheIndex, val );
                            cols[ cacheIndex ] = txt;
                            if ( hasParser && ( parsers[ cacheIndex ].type || '' ).toLowerCase() === 'numeric' ) {
                                // determine column max value (ignore sign)
                                colMax[ cacheIndex ] = Math.max( Math.abs( txt ) || 0, colMax[ cacheIndex ] || 0 );
                            }
                            // allow colSpan in tbody
                            span = cell.colSpan - 1;
                            if ( span > 0 ) {
                                index = 0;
                                while ( index <= span ) {
                                    // duplicate text (or not) to spanned columns
                                    // instead of setting duplicate span to empty string, use textExtraction to try to get a value
                                    // see http://stackoverflow.com/q/36449711/145346
                                    txt = c.duplicateSpan || index === 0 ?
                                        txt :
                                        typeof c.textExtraction !== 'string' ?
                                            ts.getElementText( c, cell, cacheIndex + index ) || '' :
                                            '';
                                    rowData.raw[ cacheIndex + index ] = txt;
                                    cols[ cacheIndex + index ] = txt;
                                    index++;
                                }
                                cacheIndex += span;
                                max += span;
                            }
                        }
                        cacheIndex++;
                    }
                    // ensure rowData is always in the same location (after the last column)
                    cols[ c.columns ] = rowData;
                    cache.normalized[ cache.normalized.length ] = cols;
                }
                cache.colMax = colMax;
                // total up rows, not including child rows
                c.totalRows += cache.normalized.length;

            }
            if ( c.showProcessing ) {
                ts.isProcessing( table ); // remove processing icon
            }
            if ( debug ) {
                len = Math.min( 5, c.cache[ 0 ].normalized.length );
                console[ console.group ? 'group' : 'log' ]( 'Building cache for ' + c.totalRows +
                    ' rows (showing ' + len + ' rows in log) and ' + c.columns + ' columns' +
                    ts.benchmark( cacheTime ) );
                val = {};
                for ( colIndex = 0; colIndex < c.columns; colIndex++ ) {
                    for ( cacheIndex = 0; cacheIndex < len; cacheIndex++ ) {
                        if ( !val[ 'row: ' + cacheIndex ] ) {
                            val[ 'row: ' + cacheIndex ] = {};
                        }
                        val[ 'row: ' + cacheIndex ][ c.$headerIndexed[ colIndex ].text() ] =
                            c.cache[ 0 ].normalized[ cacheIndex ][ colIndex ];
                    }
                }
                console[ console.table ? 'table' : 'log' ]( val );
                if ( console.groupEnd ) { console.groupEnd(); }
            }
            if ( $.isFunction( callback ) ) {
                callback( table );
            }
        },

        getColumnText : function( table, column, callback, rowFilter ) {
            table = $( table )[0];
            var tbodyIndex, rowIndex, cache, row, tbodyLen, rowLen, raw, parsed, $cell, result,
                hasCallback = typeof callback === 'function',
                allColumns = column === 'all',
                data = { raw : [], parsed: [], $cell: [] },
                c = table.config;
            if ( ts.isEmptyObject( c ) ) {
                if ( ts.debug(c, 'core') ) {
                    console.warn( 'No cache found - aborting getColumnText function!' );
                }
            } else {
                tbodyLen = c.$tbodies.length;
                for ( tbodyIndex = 0; tbodyIndex < tbodyLen; tbodyIndex++ ) {
                    cache = c.cache[ tbodyIndex ].normalized;
                    rowLen = cache.length;
                    for ( rowIndex = 0; rowIndex < rowLen; rowIndex++ ) {
                        row = cache[ rowIndex ];
                        if ( rowFilter && !row[ c.columns ].$row.is( rowFilter ) ) {
                            continue;
                        }
                        result = true;
                        parsed = ( allColumns ) ? row.slice( 0, c.columns ) : row[ column ];
                        row = row[ c.columns ];
                        raw = ( allColumns ) ? row.raw : row.raw[ column ];
                        $cell = ( allColumns ) ? row.$row.children() : row.$row.children().eq( column );
                        if ( hasCallback ) {
                            result = callback({
                                tbodyIndex : tbodyIndex,
                                rowIndex : rowIndex,
                                parsed : parsed,
                                raw : raw,
                                $row : row.$row,
                                $cell : $cell
                            });
                        }
                        if ( result !== false ) {
                            data.parsed[ data.parsed.length ] = parsed;
                            data.raw[ data.raw.length ] = raw;
                            data.$cell[ data.$cell.length ] = $cell;
                        }
                    }
                }
                // return everything
                return data;
            }
        },

        /*
        ██  ██ █████▄ █████▄ ▄████▄ ██████ ██████
        ██  ██ ██▄▄██ ██  ██ ██▄▄██   ██   ██▄▄
        ██  ██ ██▀▀▀  ██  ██ ██▀▀██   ██   ██▀▀
        ▀████▀ ██     █████▀ ██  ██   ██   ██████
        */
        setHeadersCss : function( c ) {
            var indx, column,
                list = c.sortList,
                len = list.length,
                none = ts.css.sortNone + ' ' + c.cssNone,
                css = [ ts.css.sortAsc + ' ' + c.cssAsc, ts.css.sortDesc + ' ' + c.cssDesc ],
                cssIcon = [ c.cssIconAsc, c.cssIconDesc, c.cssIconNone ],
                aria = [ 'ascending', 'descending' ],
                updateColumnSort = function($el, index) {
                    $el
                        .removeClass( none )
                        .addClass( css[ index ] )
                        .attr( 'aria-sort', aria[ index ] )
                        .find( '.' + ts.css.icon )
                        .removeClass( cssIcon[ 2 ] )
                        .addClass( cssIcon[ index ] );
                },
                // find the footer
                $extras = c.$table
                    .find( 'tfoot tr' )
                    .children( 'td, th' )
                    .add( $( c.namespace + '_extra_headers' ) )
                    .removeClass( css.join( ' ' ) ),
                // remove all header information
                $sorted = c.$headers
                    .add( $( 'thead ' + c.namespace + '_extra_headers' ) )
                    .removeClass( css.join( ' ' ) )
                    .addClass( none )
                    .attr( 'aria-sort', 'none' )
                    .find( '.' + ts.css.icon )
                    .removeClass( cssIcon.join( ' ' ) )
                    .end();
            // add css none to all sortable headers
            $sorted
                .not( '.sorter-false' )
                .find( '.' + ts.css.icon )
                .addClass( cssIcon[ 2 ] );
            // add disabled css icon class
            if ( c.cssIconDisabled ) {
                $sorted
                    .filter( '.sorter-false' )
                    .find( '.' + ts.css.icon )
                    .addClass( c.cssIconDisabled );
            }
            for ( indx = 0; indx < len; indx++ ) {
                // direction = 2 means reset!
                if ( list[ indx ][ 1 ] !== 2 ) {
                    // multicolumn sorting updating - see #1005
                    // .not(function() {}) needs jQuery 1.4
                    // filter(function(i, el) {}) <- el is undefined in jQuery v1.2.6
                    $sorted = c.$headers.filter( function( i ) {
                        // only include headers that are in the sortList (this includes colspans)
                        var include = true,
                            $el = c.$headers.eq( i ),
                            col = parseInt( $el.attr( 'data-column' ), 10 ),
                            end = col + ts.getClosest( $el, 'th, td' )[0].colSpan;
                        for ( ; col < end; col++ ) {
                            include = include ? include || ts.isValueInArray( col, c.sortList ) > -1 : false;
                        }
                        return include;
                    });

                    // choose the :last in case there are nested columns
                    $sorted = $sorted
                        .not( '.sorter-false' )
                        .filter( '[data-column="' + list[ indx ][ 0 ] + '"]' + ( len === 1 ? ':last' : '' ) );
                    if ( $sorted.length ) {
                        for ( column = 0; column < $sorted.length; column++ ) {
                            if ( !$sorted[ column ].sortDisabled ) {
                                updateColumnSort( $sorted.eq( column ), list[ indx ][ 1 ] );
                            }
                        }
                    }
                    // add sorted class to footer & extra headers, if they exist
                    if ( $extras.length ) {
                        updateColumnSort( $extras.filter( '[data-column="' + list[ indx ][ 0 ] + '"]' ), list[ indx ][ 1 ] );
                    }
                }
            }
            // add verbose aria labels
            len = c.$headers.length;
            for ( indx = 0; indx < len; indx++ ) {
                ts.setColumnAriaLabel( c, c.$headers.eq( indx ) );
            }
        },

        getClosest : function( $el, selector ) {
            // jQuery v1.2.6 doesn't have closest()
            if ( $.fn.closest ) {
                return $el.closest( selector );
            }
            return $el.is( selector ) ?
                $el :
                $el.parents( selector ).filter( ':first' );
        },

        // nextSort (optional), let'syou disable next sort text
        setColumnAriaLabel : function( c, $header, nextSort ) {
            if ( $header.length ) {
                var column = parseInt( $header.attr( 'data-column' ), 10 ),
                    vars = c.sortVars[ column ],
                    tmp = $header.hasClass( ts.css.sortAsc ) ?
                        'sortAsc' :
                        $header.hasClass( ts.css.sortDesc ) ? 'sortDesc' : 'sortNone',
                    txt = $.trim( $header.text() ) + ': ' + ts.language[ tmp ];
                if ( $header.hasClass( 'sorter-false' ) || nextSort === false ) {
                    txt += ts.language.sortDisabled;
                } else {
                    tmp = ( vars.count + 1 ) % vars.order.length;
                    nextSort = vars.order[ tmp ];
                    // if nextSort
                    txt += ts.language[ nextSort === 0 ? 'nextAsc' : nextSort === 1 ? 'nextDesc' : 'nextNone' ];
                }
                $header.attr( 'aria-label', txt );
                if (vars.sortedBy) {
                    $header.attr( 'data-sortedBy', vars.sortedBy );
                } else {
                    $header.removeAttr('data-sortedBy');
                }
            }
        },

        updateHeader : function( c ) {
            var index, isDisabled, $header, col,
                table = c.table,
                len = c.$headers.length;
            for ( index = 0; index < len; index++ ) {
                $header = c.$headers.eq( index );
                col = ts.getColumnData( table, c.headers, index, true );
                // add 'sorter-false' class if 'parser-false' is set
                isDisabled = ts.getData( $header, col, 'sorter' ) === 'false' || ts.getData( $header, col, 'parser' ) === 'false';
                ts.setColumnSort( c, $header, isDisabled );
            }
        },

        setColumnSort : function( c, $header, isDisabled ) {
            var id = c.table.id;
            $header[ 0 ].sortDisabled = isDisabled;
            $header[ isDisabled ? 'addClass' : 'removeClass' ]( 'sorter-false' )
                .attr( 'aria-disabled', '' + isDisabled );
            // disable tab index on disabled cells
            if ( c.tabIndex ) {
                if ( isDisabled ) {
                    $header.removeAttr( 'tabindex' );
                } else {
                    $header.attr( 'tabindex', '0' );
                }
            }
            // aria-controls - requires table ID
            if ( id ) {
                if ( isDisabled ) {
                    $header.removeAttr( 'aria-controls' );
                } else {
                    $header.attr( 'aria-controls', id );
                }
            }
        },

        updateHeaderSortCount : function( c, list ) {
            var col, dir, group, indx, primary, temp, val, order,
                sortList = list || c.sortList,
                len = sortList.length;
            c.sortList = [];
            for ( indx = 0; indx < len; indx++ ) {
                val = sortList[ indx ];
                // ensure all sortList values are numeric - fixes #127
                col = parseInt( val[ 0 ], 10 );
                // prevents error if sorton array is wrong
                if ( col < c.columns ) {

                    // set order if not already defined - due to colspan header without associated header cell
                    // adding this check prevents a javascript error
                    if ( !c.sortVars[ col ].order ) {
                        if ( ts.getOrder( c.sortInitialOrder ) ) {
                            order = c.sortReset ? [ 1, 0, 2 ] : [ 1, 0 ];
                        } else {
                            order = c.sortReset ? [ 0, 1, 2 ] : [ 0, 1 ];
                        }
                        c.sortVars[ col ].order = order;
                        c.sortVars[ col ].count = 0;
                    }

                    order = c.sortVars[ col ].order;
                    dir = ( '' + val[ 1 ] ).match( /^(1|d|s|o|n)/ );
                    dir = dir ? dir[ 0 ] : '';
                    // 0/(a)sc (default), 1/(d)esc, (s)ame, (o)pposite, (n)ext
                    switch ( dir ) {
                        case '1' : case 'd' : // descending
                            dir = 1;
                            break;
                        case 's' : // same direction (as primary column)
                            // if primary sort is set to 's', make it ascending
                            dir = primary || 0;
                            break;
                        case 'o' :
                            temp = order[ ( primary || 0 ) % order.length ];
                            // opposite of primary column; but resets if primary resets
                            dir = temp === 0 ? 1 : temp === 1 ? 0 : 2;
                            break;
                        case 'n' :
                            dir = order[ ( ++c.sortVars[ col ].count ) % order.length ];
                            break;
                        default : // ascending
                            dir = 0;
                            break;
                    }
                    primary = indx === 0 ? dir : primary;
                    group = [ col, parseInt( dir, 10 ) || 0 ];
                    c.sortList[ c.sortList.length ] = group;
                    dir = $.inArray( group[ 1 ], order ); // fixes issue #167
                    c.sortVars[ col ].count = dir >= 0 ? dir : group[ 1 ] % order.length;
                }
            }
        },

        updateAll : function( c, resort, callback ) {
            var table = c.table;
            table.isUpdating = true;
            ts.refreshWidgets( table, true, true );
            ts.buildHeaders( c );
            ts.bindEvents( table, c.$headers, true );
            ts.bindMethods( c );
            ts.commonUpdate( c, resort, callback );
        },

        update : function( c, resort, callback ) {
            var table = c.table;
            table.isUpdating = true;
            // update sorting (if enabled/disabled)
            ts.updateHeader( c );
            ts.commonUpdate( c, resort, callback );
        },

        // simple header update - see #989
        updateHeaders : function( c, callback ) {
            c.table.isUpdating = true;
            ts.buildHeaders( c );
            ts.bindEvents( c.table, c.$headers, true );
            ts.resortComplete( c, callback );
        },

        updateCell : function( c, cell, resort, callback ) {
            // updateCell for child rows is a mess - we'll ignore them for now
            // eventually I'll break out the "update" row cache code to make everything consistent
            if ( $( cell ).closest( 'tr' ).hasClass( c.cssChildRow ) ) {
                console.warn('Tablesorter Warning! "updateCell" for child row content has been disabled, use "update" instead');
                return;
            }
            if ( ts.isEmptyObject( c.cache ) ) {
                // empty table, do an update instead - fixes #1099
                ts.updateHeader( c );
                ts.commonUpdate( c, resort, callback );
                return;
            }
            c.table.isUpdating = true;
            c.$table.find( c.selectorRemove ).remove();
            // get position from the dom
            var tmp, indx, row, icell, cache, len,
                $tbodies = c.$tbodies,
                $cell = $( cell ),
                // update cache - format: function( s, table, cell, cellIndex )
                // no closest in jQuery v1.2.6
                tbodyIndex = $tbodies.index( ts.getClosest( $cell, 'tbody' ) ),
                tbcache = c.cache[ tbodyIndex ],
                $row = ts.getClosest( $cell, 'tr' );
            cell = $cell[ 0 ]; // in case cell is a jQuery object
            // tbody may not exist if update is initialized while tbody is removed for processing
            if ( $tbodies.length && tbodyIndex >= 0 ) {
                row = $tbodies.eq( tbodyIndex ).find( 'tr' ).not( '.' + c.cssChildRow ).index( $row );
                cache = tbcache.normalized[ row ];
                len = $row[ 0 ].cells.length;
                if ( len !== c.columns ) {
                    // colspan in here somewhere!
                    icell = 0;
                    tmp = false;
                    for ( indx = 0; indx < len; indx++ ) {
                        if ( !tmp && $row[ 0 ].cells[ indx ] !== cell ) {
                            icell += $row[ 0 ].cells[ indx ].colSpan;
                        } else {
                            tmp = true;
                        }
                    }
                } else {
                    icell = $cell.index();
                }
                tmp = ts.getElementText( c, cell, icell ); // raw
                cache[ c.columns ].raw[ icell ] = tmp;
                tmp = ts.getParsedText( c, cell, icell, tmp );
                cache[ icell ] = tmp; // parsed
                if ( ( c.parsers[ icell ].type || '' ).toLowerCase() === 'numeric' ) {
                    // update column max value (ignore sign)
                    tbcache.colMax[ icell ] = Math.max( Math.abs( tmp ) || 0, tbcache.colMax[ icell ] || 0 );
                }
                tmp = resort !== 'undefined' ? resort : c.resort;
                if ( tmp !== false ) {
                    // widgets will be reapplied
                    ts.checkResort( c, tmp, callback );
                } else {
                    // don't reapply widgets is resort is false, just in case it causes
                    // problems with element focus
                    ts.resortComplete( c, callback );
                }
            } else {
                if ( ts.debug(c, 'core') ) {
                    console.error( 'updateCell aborted, tbody missing or not within the indicated table' );
                }
                c.table.isUpdating = false;
            }
        },

        addRows : function( c, $row, resort, callback ) {
            var txt, val, tbodyIndex, rowIndex, rows, cellIndex, len, order,
                cacheIndex, rowData, cells, cell, span,
                // allow passing a row string if only one non-info tbody exists in the table
                valid = typeof $row === 'string' && c.$tbodies.length === 1 && /<tr/.test( $row || '' ),
                table = c.table;
            if ( valid ) {
                $row = $( $row );
                c.$tbodies.append( $row );
            } else if (
                !$row ||
                // row is a jQuery object?
                !( $row instanceof $ ) ||
                // row contained in the table?
                ( ts.getClosest( $row, 'table' )[ 0 ] !== c.table )
            ) {
                if ( ts.debug(c, 'core') ) {
                    console.error( 'addRows method requires (1) a jQuery selector reference to rows that have already ' +
                        'been added to the table, or (2) row HTML string to be added to a table with only one tbody' );
                }
                return false;
            }
            table.isUpdating = true;
            if ( ts.isEmptyObject( c.cache ) ) {
                // empty table, do an update instead - fixes #450
                ts.updateHeader( c );
                ts.commonUpdate( c, resort, callback );
            } else {
                rows = $row.filter( 'tr' ).attr( 'role', 'row' ).length;
                tbodyIndex = c.$tbodies.index( $row.parents( 'tbody' ).filter( ':first' ) );
                // fixes adding rows to an empty table - see issue #179
                if ( !( c.parsers && c.parsers.length ) ) {
                    ts.setupParsers( c );
                }
                // add each row
                for ( rowIndex = 0; rowIndex < rows; rowIndex++ ) {
                    cacheIndex = 0;
                    len = $row[ rowIndex ].cells.length;
                    order = c.cache[ tbodyIndex ].normalized.length;
                    cells = [];
                    rowData = {
                        child : [],
                        raw : [],
                        $row : $row.eq( rowIndex ),
                        order : order
                    };
                    // add each cell
                    for ( cellIndex = 0; cellIndex < len; cellIndex++ ) {
                        cell = $row[ rowIndex ].cells[ cellIndex ];
                        txt = ts.getElementText( c, cell, cacheIndex );
                        rowData.raw[ cacheIndex ] = txt;
                        val = ts.getParsedText( c, cell, cacheIndex, txt );
                        cells[ cacheIndex ] = val;
                        if ( ( c.parsers[ cacheIndex ].type || '' ).toLowerCase() === 'numeric' ) {
                            // update column max value (ignore sign)
                            c.cache[ tbodyIndex ].colMax[ cacheIndex ] =
                                Math.max( Math.abs( val ) || 0, c.cache[ tbodyIndex ].colMax[ cacheIndex ] || 0 );
                        }
                        span = cell.colSpan - 1;
                        if ( span > 0 ) {
                            cacheIndex += span;
                        }
                        cacheIndex++;
                    }
                    // add the row data to the end
                    cells[ c.columns ] = rowData;
                    // update cache
                    c.cache[ tbodyIndex ].normalized[ order ] = cells;
                }
                // resort using current settings
                ts.checkResort( c, resort, callback );
            }
        },

        updateCache : function( c, callback, $tbodies ) {
            // rebuild parsers
            if ( !( c.parsers && c.parsers.length ) ) {
                ts.setupParsers( c, $tbodies );
            }
            // rebuild the cache map
            ts.buildCache( c, callback, $tbodies );
        },

        // init flag (true) used by pager plugin to prevent widget application
        // renamed from appendToTable
        appendCache : function( c, init ) {
            var parsed, totalRows, $tbody, $curTbody, rowIndex, tbodyIndex, appendTime,
                table = c.table,
                $tbodies = c.$tbodies,
                rows = [],
                cache = c.cache;
            // empty table - fixes #206/#346
            if ( ts.isEmptyObject( cache ) ) {
                // run pager appender in case the table was just emptied
                return c.appender ? c.appender( table, rows ) :
                    table.isUpdating ? c.$table.triggerHandler( 'updateComplete', table ) : ''; // Fixes #532
            }
            if ( ts.debug(c, 'core') ) {
                appendTime = new Date();
            }
            for ( tbodyIndex = 0; tbodyIndex < $tbodies.length; tbodyIndex++ ) {
                $tbody = $tbodies.eq( tbodyIndex );
                if ( $tbody.length ) {
                    // detach tbody for manipulation
                    $curTbody = ts.processTbody( table, $tbody, true );
                    parsed = cache[ tbodyIndex ].normalized;
                    totalRows = parsed.length;
                    for ( rowIndex = 0; rowIndex < totalRows; rowIndex++ ) {
                        rows[rows.length] = parsed[ rowIndex ][ c.columns ].$row;
                        // removeRows used by the pager plugin; don't render if using ajax - fixes #411
                        if ( !c.appender || ( c.pager && !c.pager.removeRows && !c.pager.ajax ) ) {
                            $curTbody.append( parsed[ rowIndex ][ c.columns ].$row );
                        }
                    }
                    // restore tbody
                    ts.processTbody( table, $curTbody, false );
                }
            }
            if ( c.appender ) {
                c.appender( table, rows );
            }
            if ( ts.debug(c, 'core') ) {
                console.log( 'Rebuilt table' + ts.benchmark( appendTime ) );
            }
            // apply table widgets; but not before ajax completes
            if ( !init && !c.appender ) {
                ts.applyWidget( table );
            }
            if ( table.isUpdating ) {
                c.$table.triggerHandler( 'updateComplete', table );
            }
        },

        commonUpdate : function( c, resort, callback ) {
            // remove rows/elements before update
            c.$table.find( c.selectorRemove ).remove();
            // rebuild parsers
            ts.setupParsers( c );
            // rebuild the cache map
            ts.buildCache( c );
            ts.checkResort( c, resort, callback );
        },

        /*
        ▄█████ ▄████▄ █████▄ ██████ ██ █████▄ ▄████▄
        ▀█▄    ██  ██ ██▄▄██   ██   ██ ██  ██ ██ ▄▄▄
           ▀█▄ ██  ██ ██▀██    ██   ██ ██  ██ ██ ▀██
        █████▀ ▀████▀ ██  ██   ██   ██ ██  ██ ▀████▀
        */
        initSort : function( c, cell, event ) {
            if ( c.table.isUpdating ) {
                // let any updates complete before initializing a sort
                return setTimeout( function() {
                    ts.initSort( c, cell, event );
                }, 50 );
            }

            var arry, indx, headerIndx, dir, temp, tmp, $header,
                notMultiSort = !event[ c.sortMultiSortKey ],
                table = c.table,
                len = c.$headers.length,
                th = ts.getClosest( $( cell ), 'th, td' ),
                col = parseInt( th.attr( 'data-column' ), 10 ),
                sortedBy = event.type === 'mouseup' ? 'user' : event.type,
                order = c.sortVars[ col ].order;
            th = th[0];
            // Only call sortStart if sorting is enabled
            c.$table.triggerHandler( 'sortStart', table );
            // get current column sort order
            tmp = ( c.sortVars[ col ].count + 1 ) % order.length;
            c.sortVars[ col ].count = event[ c.sortResetKey ] ? 2 : tmp;
            // reset all sorts on non-current column - issue #30
            if ( c.sortRestart ) {
                for ( headerIndx = 0; headerIndx < len; headerIndx++ ) {
                    $header = c.$headers.eq( headerIndx );
                    tmp = parseInt( $header.attr( 'data-column' ), 10 );
                    // only reset counts on columns that weren't just clicked on and if not included in a multisort
                    if ( col !== tmp && ( notMultiSort || $header.hasClass( ts.css.sortNone ) ) ) {
                        c.sortVars[ tmp ].count = -1;
                    }
                }
            }
            // user only wants to sort on one column
            if ( notMultiSort ) {
                $.each( c.sortVars, function( i ) {
                    c.sortVars[ i ].sortedBy = '';
                });
                // flush the sort list
                c.sortList = [];
                c.last.sortList = [];
                if ( c.sortForce !== null ) {
                    arry = c.sortForce;
                    for ( indx = 0; indx < arry.length; indx++ ) {
                        if ( arry[ indx ][ 0 ] !== col ) {
                            c.sortList[ c.sortList.length ] = arry[ indx ];
                            c.sortVars[ arry[ indx ][ 0 ] ].sortedBy = 'sortForce';
                        }
                    }
                }
                // add column to sort list
                dir = order[ c.sortVars[ col ].count ];
                if ( dir < 2 ) {
                    c.sortList[ c.sortList.length ] = [ col, dir ];
                    c.sortVars[ col ].sortedBy = sortedBy;
                    // add other columns if header spans across multiple
                    if ( th.colSpan > 1 ) {
                        for ( indx = 1; indx < th.colSpan; indx++ ) {
                            c.sortList[ c.sortList.length ] = [ col + indx, dir ];
                            // update count on columns in colSpan
                            c.sortVars[ col + indx ].count = $.inArray( dir, order );
                            c.sortVars[ col + indx ].sortedBy = sortedBy;
                        }
                    }
                }
                // multi column sorting
            } else {
                // get rid of the sortAppend before adding more - fixes issue #115 & #523
                c.sortList = $.extend( [], c.last.sortList );

                // the user has clicked on an already sorted column
                if ( ts.isValueInArray( col, c.sortList ) >= 0 ) {
                    // reverse the sorting direction
                    c.sortVars[ col ].sortedBy = sortedBy;
                    for ( indx = 0; indx < c.sortList.length; indx++ ) {
                        tmp = c.sortList[ indx ];
                        if ( tmp[ 0 ] === col ) {
                            // order.count seems to be incorrect when compared to cell.count
                            tmp[ 1 ] = order[ c.sortVars[ col ].count ];
                            if ( tmp[1] === 2 ) {
                                c.sortList.splice( indx, 1 );
                                c.sortVars[ col ].count = -1;
                            }
                        }
                    }
                } else {
                    // add column to sort list array
                    dir = order[ c.sortVars[ col ].count ];
                    c.sortVars[ col ].sortedBy = sortedBy;
                    if ( dir < 2 ) {
                        c.sortList[ c.sortList.length ] = [ col, dir ];
                        // add other columns if header spans across multiple
                        if ( th.colSpan > 1 ) {
                            for ( indx = 1; indx < th.colSpan; indx++ ) {
                                c.sortList[ c.sortList.length ] = [ col + indx, dir ];
                                // update count on columns in colSpan
                                c.sortVars[ col + indx ].count = $.inArray( dir, order );
                                c.sortVars[ col + indx ].sortedBy = sortedBy;
                            }
                        }
                    }
                }
            }
            // save sort before applying sortAppend
            c.last.sortList = $.extend( [], c.sortList );
            if ( c.sortList.length && c.sortAppend ) {
                arry = $.isArray( c.sortAppend ) ? c.sortAppend : c.sortAppend[ c.sortList[ 0 ][ 0 ] ];
                if ( !ts.isEmptyObject( arry ) ) {
                    for ( indx = 0; indx < arry.length; indx++ ) {
                        if ( arry[ indx ][ 0 ] !== col && ts.isValueInArray( arry[ indx ][ 0 ], c.sortList ) < 0 ) {
                            dir = arry[ indx ][ 1 ];
                            temp = ( '' + dir ).match( /^(a|d|s|o|n)/ );
                            if ( temp ) {
                                tmp = c.sortList[ 0 ][ 1 ];
                                switch ( temp[ 0 ] ) {
                                    case 'd' :
                                        dir = 1;
                                        break;
                                    case 's' :
                                        dir = tmp;
                                        break;
                                    case 'o' :
                                        dir = tmp === 0 ? 1 : 0;
                                        break;
                                    case 'n' :
                                        dir = ( tmp + 1 ) % order.length;
                                        break;
                                    default:
                                        dir = 0;
                                        break;
                                }
                            }
                            c.sortList[ c.sortList.length ] = [ arry[ indx ][ 0 ], dir ];
                            c.sortVars[ arry[ indx ][ 0 ] ].sortedBy = 'sortAppend';
                        }
                    }
                }
            }
            // sortBegin event triggered immediately before the sort
            c.$table.triggerHandler( 'sortBegin', table );
            // setTimeout needed so the processing icon shows up
            setTimeout( function() {
                // set css for headers
                ts.setHeadersCss( c );
                ts.multisort( c );
                ts.appendCache( c );
                c.$table.triggerHandler( 'sortBeforeEnd', table );
                c.$table.triggerHandler( 'sortEnd', table );
            }, 1 );
        },

        // sort multiple columns
        multisort : function( c ) { /*jshint loopfunc:true */
            var tbodyIndex, sortTime, colMax, rows, tmp,
                table = c.table,
                sorter = [],
                dir = 0,
                textSorter = c.textSorter || '',
                sortList = c.sortList,
                sortLen = sortList.length,
                len = c.$tbodies.length;
            if ( c.serverSideSorting || ts.isEmptyObject( c.cache ) ) {
                // empty table - fixes #206/#346
                return;
            }
            if ( ts.debug(c, 'core') ) { sortTime = new Date(); }
            // cache textSorter to optimize speed
            if ( typeof textSorter === 'object' ) {
                colMax = c.columns;
                while ( colMax-- ) {
                    tmp = ts.getColumnData( table, textSorter, colMax );
                    if ( typeof tmp === 'function' ) {
                        sorter[ colMax ] = tmp;
                    }
                }
            }
            for ( tbodyIndex = 0; tbodyIndex < len; tbodyIndex++ ) {
                colMax = c.cache[ tbodyIndex ].colMax;
                rows = c.cache[ tbodyIndex ].normalized;

                rows.sort( function( a, b ) {
                    var sortIndex, num, col, order, sort, x, y;
                    // rows is undefined here in IE, so don't use it!
                    for ( sortIndex = 0; sortIndex < sortLen; sortIndex++ ) {
                        col = sortList[ sortIndex ][ 0 ];
                        order = sortList[ sortIndex ][ 1 ];
                        // sort direction, true = asc, false = desc
                        dir = order === 0;

                        if ( c.sortStable && a[ col ] === b[ col ] && sortLen === 1 ) {
                            return a[ c.columns ].order - b[ c.columns ].order;
                        }

                        // fallback to natural sort since it is more robust
                        num = /n/i.test( ts.getSortType( c.parsers, col ) );
                        if ( num && c.strings[ col ] ) {
                            // sort strings in numerical columns
                            if ( typeof ( ts.string[ c.strings[ col ] ] ) === 'boolean' ) {
                                num = ( dir ? 1 : -1 ) * ( ts.string[ c.strings[ col ] ] ? -1 : 1 );
                            } else {
                                num = ( c.strings[ col ] ) ? ts.string[ c.strings[ col ] ] || 0 : 0;
                            }
                            // fall back to built-in numeric sort
                            // var sort = $.tablesorter['sort' + s]( a[col], b[col], dir, colMax[col], table );
                            sort = c.numberSorter ? c.numberSorter( a[ col ], b[ col ], dir, colMax[ col ], table ) :
                                ts[ 'sortNumeric' + ( dir ? 'Asc' : 'Desc' ) ]( a[ col ], b[ col ], num, colMax[ col ], col, c );
                        } else {
                            // set a & b depending on sort direction
                            x = dir ? a : b;
                            y = dir ? b : a;
                            // text sort function
                            if ( typeof textSorter === 'function' ) {
                                // custom OVERALL text sorter
                                sort = textSorter( x[ col ], y[ col ], dir, col, table );
                            } else if ( typeof sorter[ col ] === 'function' ) {
                                // custom text sorter for a SPECIFIC COLUMN
                                sort = sorter[ col ]( x[ col ], y[ col ], dir, col, table );
                            } else {
                                // fall back to natural sort
                                sort = ts[ 'sortNatural' + ( dir ? 'Asc' : 'Desc' ) ]( a[ col ] || '', b[ col ] || '', col, c );
                            }
                        }
                        if ( sort ) { return sort; }
                    }
                    return a[ c.columns ].order - b[ c.columns ].order;
                });
            }
            if ( ts.debug(c, 'core') ) {
                console.log( 'Applying sort ' + sortList.toString() + ts.benchmark( sortTime ) );
            }
        },

        resortComplete : function( c, callback ) {
            if ( c.table.isUpdating ) {
                c.$table.triggerHandler( 'updateComplete', c.table );
            }
            if ( $.isFunction( callback ) ) {
                callback( c.table );
            }
        },

        checkResort : function( c, resort, callback ) {
            var sortList = $.isArray( resort ) ? resort : c.sortList,
                // if no resort parameter is passed, fallback to config.resort (true by default)
                resrt = typeof resort === 'undefined' ? c.resort : resort;
            // don't try to resort if the table is still processing
            // this will catch spamming of the updateCell method
            if ( resrt !== false && !c.serverSideSorting && !c.table.isProcessing ) {
                if ( sortList.length ) {
                    ts.sortOn( c, sortList, function() {
                        ts.resortComplete( c, callback );
                    }, true );
                } else {
                    ts.sortReset( c, function() {
                        ts.resortComplete( c, callback );
                        ts.applyWidget( c.table, false );
                    } );
                }
            } else {
                ts.resortComplete( c, callback );
                ts.applyWidget( c.table, false );
            }
        },

        sortOn : function( c, list, callback, init ) {
            var indx,
                table = c.table;
            c.$table.triggerHandler( 'sortStart', table );
            for (indx = 0; indx < c.columns; indx++) {
                c.sortVars[ indx ].sortedBy = ts.isValueInArray( indx, list ) > -1 ? 'sorton' : '';
            }
            // update header count index
            ts.updateHeaderSortCount( c, list );
            // set css for headers
            ts.setHeadersCss( c );
            // fixes #346
            if ( c.delayInit && ts.isEmptyObject( c.cache ) ) {
                ts.buildCache( c );
            }
            c.$table.triggerHandler( 'sortBegin', table );
            // sort the table and append it to the dom
            ts.multisort( c );
            ts.appendCache( c, init );
            c.$table.triggerHandler( 'sortBeforeEnd', table );
            c.$table.triggerHandler( 'sortEnd', table );
            ts.applyWidget( table );
            if ( $.isFunction( callback ) ) {
                callback( table );
            }
        },

        sortReset : function( c, callback ) {
            c.sortList = [];
            var indx;
            for (indx = 0; indx < c.columns; indx++) {
                c.sortVars[ indx ].count = -1;
                c.sortVars[ indx ].sortedBy = '';
            }
            ts.setHeadersCss( c );
            ts.multisort( c );
            ts.appendCache( c );
            if ( $.isFunction( callback ) ) {
                callback( c.table );
            }
        },

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

        getOrder : function( val ) {
            // look for 'd' in 'desc' order; return true
            return ( /^d/i.test( val ) || val === 1 );
        },

        // Natural sort - https://github.com/overset/javascript-natural-sort (date sorting removed)
        sortNatural : function( a, b ) {
            if ( a === b ) { return 0; }
            a = ( a || '' ).toString();
            b = ( b || '' ).toString();
            var aNum, bNum, aFloat, bFloat, indx, max,
                regex = ts.regex;
            // first try and sort Hex codes
            if ( regex.hex.test( b ) ) {
                aNum = parseInt( a.match( regex.hex ), 16 );
                bNum = parseInt( b.match( regex.hex ), 16 );
                if ( aNum < bNum ) { return -1; }
                if ( aNum > bNum ) { return 1; }
            }
            // chunk/tokenize
            aNum = a.replace( regex.chunk, '\\0$1\\0' ).replace( regex.chunks, '' ).split( '\\0' );
            bNum = b.replace( regex.chunk, '\\0$1\\0' ).replace( regex.chunks, '' ).split( '\\0' );
            max = Math.max( aNum.length, bNum.length );
            // natural sorting through split numeric strings and default strings
            for ( indx = 0; indx < max; indx++ ) {
                // find floats not starting with '0', string or 0 if not defined
                aFloat = isNaN( aNum[ indx ] ) ? aNum[ indx ] || 0 : parseFloat( aNum[ indx ] ) || 0;
                bFloat = isNaN( bNum[ indx ] ) ? bNum[ indx ] || 0 : parseFloat( bNum[ indx ] ) || 0;
                // handle numeric vs string comparison - number < string - (Kyle Adams)
                if ( isNaN( aFloat ) !== isNaN( bFloat ) ) { return isNaN( aFloat ) ? 1 : -1; }
                // rely on string comparison if different types - i.e. '02' < 2 != '02' < '2'
                if ( typeof aFloat !== typeof bFloat ) {
                    aFloat += '';
                    bFloat += '';
                }
                if ( aFloat < bFloat ) { return -1; }
                if ( aFloat > bFloat ) { return 1; }
            }
            return 0;
        },

        sortNaturalAsc : function( a, b, col, c ) {
            if ( a === b ) { return 0; }
            var empty = ts.string[ ( c.empties[ col ] || c.emptyTo ) ];
            if ( a === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? -1 : 1 ) : -empty || -1; }
            if ( b === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? 1 : -1 ) : empty || 1; }
            return ts.sortNatural( a, b );
        },

        sortNaturalDesc : function( a, b, col, c ) {
            if ( a === b ) { return 0; }
            var empty = ts.string[ ( c.empties[ col ] || c.emptyTo ) ];
            if ( a === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? -1 : 1 ) : empty || 1; }
            if ( b === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? 1 : -1 ) : -empty || -1; }
            return ts.sortNatural( b, a );
        },

        // basic alphabetical sort
        sortText : function( a, b ) {
            return a > b ? 1 : ( a < b ? -1 : 0 );
        },

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

        sortNumericAsc : function( a, b, num, max, col, c ) {
            if ( a === b ) { return 0; }
            var empty = ts.string[ ( c.empties[ col ] || c.emptyTo ) ];
            if ( a === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? -1 : 1 ) : -empty || -1; }
            if ( b === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? 1 : -1 ) : empty || 1; }
            if ( isNaN( a ) ) { a = ts.getTextValue( a, num, max ); }
            if ( isNaN( b ) ) { b = ts.getTextValue( b, num, max ); }
            return a - b;
        },

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

        sortNumeric : function( a, b ) {
            return a - b;
        },

        /*
        ██ ██ ██ ██ █████▄ ▄████▄ ██████ ██████ ▄█████
        ██ ██ ██ ██ ██  ██ ██ ▄▄▄ ██▄▄     ██   ▀█▄
        ██ ██ ██ ██ ██  ██ ██ ▀██ ██▀▀     ██      ▀█▄
        ███████▀ ██ █████▀ ▀████▀ ██████   ██   █████▀
        */
        addWidget : function( widget ) {
            if ( widget.id && !ts.isEmptyObject( ts.getWidgetById( widget.id ) ) ) {
                console.warn( '"' + widget.id + '" widget was loaded more than once!' );
            }
            ts.widgets[ ts.widgets.length ] = widget;
        },

        hasWidget : function( $table, name ) {
            $table = $( $table );
            return $table.length && $table[ 0 ].config && $table[ 0 ].config.widgetInit[ name ] || false;
        },

        getWidgetById : function( name ) {
            var indx, widget,
                len = ts.widgets.length;
            for ( indx = 0; indx < len; indx++ ) {
                widget = ts.widgets[ indx ];
                if ( widget && widget.id && widget.id.toLowerCase() === name.toLowerCase() ) {
                    return widget;
                }
            }
        },

        applyWidgetOptions : function( table ) {
            var indx, widget, wo,
                c = table.config,
                len = c.widgets.length;
            if ( len ) {
                for ( indx = 0; indx < len; indx++ ) {
                    widget = ts.getWidgetById( c.widgets[ indx ] );
                    if ( widget && widget.options ) {
                        wo = $.extend( true, {}, widget.options );
                        c.widgetOptions = $.extend( true, wo, c.widgetOptions );
                        // add widgetOptions to defaults for option validator
                        $.extend( true, ts.defaults.widgetOptions, widget.options );
                    }
                }
            }
        },

        addWidgetFromClass : function( table ) {
            var len, indx,
                c = table.config,
                // look for widgets to apply from table class
                // don't match from 'ui-widget-content'; use \S instead of \w to include widgets
                // with dashes in the name, e.g. "widget-test-2" extracts out "test-2"
                regex = '^' + c.widgetClass.replace( ts.regex.templateName, '(\\S+)+' ) + '$',
                widgetClass = new RegExp( regex, 'g' ),
                // split up table class (widget id's can include dashes) - stop using match
                // otherwise only one widget gets extracted, see #1109
                widgets = ( table.className || '' ).split( ts.regex.spaces );
            if ( widgets.length ) {
                len = widgets.length;
                for ( indx = 0; indx < len; indx++ ) {
                    if ( widgets[ indx ].match( widgetClass ) ) {
                        c.widgets[ c.widgets.length ] = widgets[ indx ].replace( widgetClass, '$1' );
                    }
                }
            }
        },

        applyWidgetId : function( table, id, init ) {
            table = $(table)[0];
            var applied, time, name,
                c = table.config,
                wo = c.widgetOptions,
                debug = ts.debug(c, 'core'),
                widget = ts.getWidgetById( id );
            if ( widget ) {
                name = widget.id;
                applied = false;
                // add widget name to option list so it gets reapplied after sorting, filtering, etc
                if ( $.inArray( name, c.widgets ) < 0 ) {
                    c.widgets[ c.widgets.length ] = name;
                }
                if ( debug ) { time = new Date(); }

                if ( init || !( c.widgetInit[ name ] ) ) {
                    // set init flag first to prevent calling init more than once (e.g. pager)
                    c.widgetInit[ name ] = true;
                    if ( table.hasInitialized ) {
                        // don't reapply widget options on tablesorter init
                        ts.applyWidgetOptions( table );
                    }
                    if ( typeof widget.init === 'function' ) {
                        applied = true;
                        if ( debug ) {
                            console[ console.group ? 'group' : 'log' ]( 'Initializing ' + name + ' widget' );
                        }
                        widget.init( table, widget, c, wo );
                    }
                }
                if ( !init && typeof widget.format === 'function' ) {
                    applied = true;
                    if ( debug ) {
                        console[ console.group ? 'group' : 'log' ]( 'Updating ' + name + ' widget' );
                    }
                    widget.format( table, c, wo, false );
                }
                if ( debug ) {
                    if ( applied ) {
                        console.log( 'Completed ' + ( init ? 'initializing ' : 'applying ' ) + name + ' widget' + ts.benchmark( time ) );
                        if ( console.groupEnd ) { console.groupEnd(); }
                    }
                }
            }
        },

        applyWidget : function( table, init, callback ) {
            table = $( table )[ 0 ]; // in case this is called externally
            var indx, len, names, widget, time,
                c = table.config,
                debug = ts.debug(c, 'core'),
                widgets = [];
            // prevent numerous consecutive widget applications
            if ( init !== false && table.hasInitialized && ( table.isApplyingWidgets || table.isUpdating ) ) {
                return;
            }
            if ( debug ) { time = new Date(); }
            ts.addWidgetFromClass( table );
            // prevent "tablesorter-ready" from firing multiple times in a row
            clearTimeout( c.timerReady );
            if ( c.widgets.length ) {
                table.isApplyingWidgets = true;
                // ensure unique widget ids
                c.widgets = $.grep( c.widgets, function( val, index ) {
                    return $.inArray( val, c.widgets ) === index;
                });
                names = c.widgets || [];
                len = names.length;
                // build widget array & add priority as needed
                for ( indx = 0; indx < len; indx++ ) {
                    widget = ts.getWidgetById( names[ indx ] );
                    if ( widget && widget.id ) {
                        // set priority to 10 if not defined
                        if ( !widget.priority ) { widget.priority = 10; }
                        widgets[ indx ] = widget;
                    } else if ( debug ) {
                        console.warn( '"' + names[ indx ] + '" was enabled, but the widget code has not been loaded!' );
                    }
                }
                // sort widgets by priority
                widgets.sort( function( a, b ) {
                    return a.priority < b.priority ? -1 : a.priority === b.priority ? 0 : 1;
                });
                // add/update selected widgets
                len = widgets.length;
                if ( debug ) {
                    console[ console.group ? 'group' : 'log' ]( 'Start ' + ( init ? 'initializing' : 'applying' ) + ' widgets' );
                }
                for ( indx = 0; indx < len; indx++ ) {
                    widget = widgets[ indx ];
                    if ( widget && widget.id ) {
                        ts.applyWidgetId( table, widget.id, init );
                    }
                }
                if ( debug && console.groupEnd ) { console.groupEnd(); }
            }
            c.timerReady = setTimeout( function() {
                table.isApplyingWidgets = false;
                $.data( table, 'lastWidgetApplication', new Date() );
                c.$table.triggerHandler( 'tablesorter-ready' );
                // callback executed on init only
                if ( !init && typeof callback === 'function' ) {
                    callback( table );
                }
                if ( debug ) {
                    widget = c.widgets.length;
                    console.log( 'Completed ' +
                        ( init === true ? 'initializing ' : 'applying ' ) + widget +
                        ' widget' + ( widget !== 1 ? 's' : '' ) + ts.benchmark( time ) );
                }
            }, 10 );
        },

        removeWidget : function( table, name, refreshing ) {
            table = $( table )[ 0 ];
            var index, widget, indx, len,
                c = table.config;
            // if name === true, add all widgets from $.tablesorter.widgets
            if ( name === true ) {
                name = [];
                len = ts.widgets.length;
                for ( indx = 0; indx < len; indx++ ) {
                    widget = ts.widgets[ indx ];
                    if ( widget && widget.id ) {
                        name[ name.length ] = widget.id;
                    }
                }
            } else {
                // name can be either an array of widgets names,
                // or a space/comma separated list of widget names
                name = ( $.isArray( name ) ? name.join( ',' ) : name || '' ).toLowerCase().split( /[\s,]+/ );
            }
            len = name.length;
            for ( index = 0; index < len; index++ ) {
                widget = ts.getWidgetById( name[ index ] );
                indx = $.inArray( name[ index ], c.widgets );
                // don't remove the widget from config.widget if refreshing
                if ( indx >= 0 && refreshing !== true ) {
                    c.widgets.splice( indx, 1 );
                }
                if ( widget && widget.remove ) {
                    if ( ts.debug(c, 'core') ) {
                        console.log( ( refreshing ? 'Refreshing' : 'Removing' ) + ' "' + name[ index ] + '" widget' );
                    }
                    widget.remove( table, c, c.widgetOptions, refreshing );
                    c.widgetInit[ name[ index ] ] = false;
                }
            }
            c.$table.triggerHandler( 'widgetRemoveEnd', table );
        },

        refreshWidgets : function( table, doAll, dontapply ) {
            table = $( table )[ 0 ]; // see issue #243
            var indx, widget,
                c = table.config,
                curWidgets = c.widgets,
                widgets = ts.widgets,
                len = widgets.length,
                list = [],
                callback = function( table ) {
                    $( table ).triggerHandler( 'refreshComplete' );
                };
            // remove widgets not defined in config.widgets, unless doAll is true
            for ( indx = 0; indx < len; indx++ ) {
                widget = widgets[ indx ];
                if ( widget && widget.id && ( doAll || $.inArray( widget.id, curWidgets ) < 0 ) ) {
                    list[ list.length ] = widget.id;
                }
            }
            ts.removeWidget( table, list.join( ',' ), true );
            if ( dontapply !== true ) {
                // call widget init if
                ts.applyWidget( table, doAll || false, callback );
                if ( doAll ) {
                    // apply widget format
                    ts.applyWidget( table, false, callback );
                }
            } else {
                callback( table );
            }
        },

        /*
        ██  ██ ██████ ██ ██     ██ ██████ ██ ██████ ▄█████
        ██  ██   ██   ██ ██     ██   ██   ██ ██▄▄   ▀█▄
        ██  ██   ██   ██ ██     ██   ██   ██ ██▀▀      ▀█▄
        ▀████▀   ██   ██ ██████ ██   ██   ██ ██████ █████▀
        */
        benchmark : function( diff ) {
            return ( ' (' + ( new Date().getTime() - diff.getTime() ) + ' ms)' );
        },
        // deprecated ts.log
        log : function() {
            console.log( arguments );
        },
        debug : function(c, name) {
            return c && (
                c.debug === true ||
                typeof c.debug === 'string' && c.debug.indexOf(name) > -1
            );
        },

        // $.isEmptyObject from jQuery v1.4
        isEmptyObject : function( obj ) {
            /*jshint forin: false */
            for ( var name in obj ) {
                return false;
            }
            return true;
        },

        isValueInArray : function( column, arry ) {
            var indx,
                len = arry && arry.length || 0;
            for ( indx = 0; indx < len; indx++ ) {
                if ( arry[ indx ][ 0 ] === column ) {
                    return indx;
                }
            }
            return -1;
        },

        formatFloat : function( str, table ) {
            if ( typeof str !== 'string' || str === '' ) { return str; }
            // allow using formatFloat without a table; defaults to US number format
            var num,
                usFormat = table && table.config ? table.config.usNumberFormat !== false :
                    typeof table !== 'undefined' ? table : true;
            if ( usFormat ) {
                // US Format - 1,234,567.89 -> 1234567.89
                str = str.replace( ts.regex.comma, '' );
            } else {
                // German Format = 1.234.567,89 -> 1234567.89
                // French Format = 1 234 567,89 -> 1234567.89
                str = str.replace( ts.regex.digitNonUS, '' ).replace( ts.regex.comma, '.' );
            }
            if ( ts.regex.digitNegativeTest.test( str ) ) {
                // make (#) into a negative number -> (10) = -10
                str = str.replace( ts.regex.digitNegativeReplace, '-$1' );
            }
            num = parseFloat( str );
            // return the text instead of zero
            return isNaN( num ) ? $.trim( str ) : num;
        },

        isDigit : function( str ) {
            // replace all unwanted chars and match
            return isNaN( str ) ?
                ts.regex.digitTest.test( str.toString().replace( ts.regex.digitReplace, '' ) ) :
                str !== '';
        },

        // computeTableHeaderCellIndexes from:
        // http://www.javascripttoolbox.com/lib/table/examples.php
        // http://www.javascripttoolbox.com/temp/table_cellindex.html
        computeColumnIndex : function( $rows, c ) {
            var i, j, k, l, cell, cells, rowIndex, rowSpan, colSpan, firstAvailCol,
                // total columns has been calculated, use it to set the matrixrow
                columns = c && c.columns || 0,
                matrix = [],
                matrixrow = new Array( columns );
            for ( i = 0; i < $rows.length; i++ ) {
                cells = $rows[ i ].cells;
                for ( j = 0; j < cells.length; j++ ) {
                    cell = cells[ j ];
                    rowIndex = i;
                    rowSpan = cell.rowSpan || 1;
                    colSpan = cell.colSpan || 1;
                    if ( typeof matrix[ rowIndex ] === 'undefined' ) {
                        matrix[ rowIndex ] = [];
                    }
                    // Find first available column in the first row
                    for ( k = 0; k < matrix[ rowIndex ].length + 1; k++ ) {
                        if ( typeof matrix[ rowIndex ][ k ] === 'undefined' ) {
                            firstAvailCol = k;
                            break;
                        }
                    }
                    // jscs:disable disallowEmptyBlocks
                    if ( columns && cell.cellIndex === firstAvailCol ) {
                        // don't to anything
                    } else if ( cell.setAttribute ) {
                        // jscs:enable disallowEmptyBlocks
                        // add data-column (setAttribute = IE8+)
                        cell.setAttribute( 'data-column', firstAvailCol );
                    } else {
                        // remove once we drop support for IE7 - 1/12/2016
                        $( cell ).attr( 'data-column', firstAvailCol );
                    }
                    for ( k = rowIndex; k < rowIndex + rowSpan; k++ ) {
                        if ( typeof matrix[ k ] === 'undefined' ) {
                            matrix[ k ] = [];
                        }
                        matrixrow = matrix[ k ];
                        for ( l = firstAvailCol; l < firstAvailCol + colSpan; l++ ) {
                            matrixrow[ l ] = 'x';
                        }
                    }
                }
            }
            ts.checkColumnCount($rows, matrix, matrixrow.length);
            return matrixrow.length;
        },

        checkColumnCount : function($rows, matrix, columns) {
            // this DOES NOT report any tbody column issues, except for the math and
            // and column selector widgets
            var i, len,
                valid = true,
                cells = [];
            for ( i = 0; i < matrix.length; i++ ) {
                // some matrix entries are undefined when testing the footer because
                // it is using the rowIndex property
                if ( matrix[i] ) {
                    len = matrix[i].length;
                    if ( matrix[i].length !== columns ) {
                        valid = false;
                        break;
                    }
                }
            }
            if ( !valid ) {
                $rows.each( function( indx, el ) {
                    var cell = el.parentElement.nodeName;
                    if ( cells.indexOf( cell ) < 0 ) {
                        cells.push( cell );
                    }
                });
                console.error(
                    'Invalid or incorrect number of columns in the ' +
                    cells.join( ' or ' ) + '; expected ' + columns +
                    ', but found ' + len + ' columns'
                );
            }
        },

        // automatically add a colgroup with col elements set to a percentage width
        fixColumnWidth : function( table ) {
            table = $( table )[ 0 ];
            var overallWidth, percent, $tbodies, len, index,
                c = table.config,
                $colgroup = c.$table.children( 'colgroup' );
            // remove plugin-added colgroup, in case we need to refresh the widths
            if ( $colgroup.length && $colgroup.hasClass( ts.css.colgroup ) ) {
                $colgroup.remove();
            }
            if ( c.widthFixed && c.$table.children( 'colgroup' ).length === 0 ) {
                $colgroup = $( '<colgroup class="' + ts.css.colgroup + '">' );
                overallWidth = c.$table.width();
                // only add col for visible columns - fixes #371
                $tbodies = c.$tbodies.find( 'tr:first' ).children( ':visible' );
                len = $tbodies.length;
                for ( index = 0; index < len; index++ ) {
                    percent = parseInt( ( $tbodies.eq( index ).width() / overallWidth ) * 1000, 10 ) / 10 + '%';
                    $colgroup.append( $( '<col>' ).css( 'width', percent ) );
                }
                c.$table.prepend( $colgroup );
            }
        },

        // get sorter, string, empty, etc options for each column from
        // jQuery data, metadata, header option or header class name ('sorter-false')
        // priority = jQuery data > meta > headers option > header class name
        getData : function( header, configHeader, key ) {
            var meta, cl4ss,
                val = '',
                $header = $( header );
            if ( !$header.length ) { return ''; }
            meta = $.metadata ? $header.metadata() : false;
            cl4ss = ' ' + ( $header.attr( 'class' ) || '' );
            if ( typeof $header.data( key ) !== 'undefined' ||
                typeof $header.data( key.toLowerCase() ) !== 'undefined' ) {
                // 'data-lockedOrder' is assigned to 'lockedorder'; but 'data-locked-order' is assigned to 'lockedOrder'
                // 'data-sort-initial-order' is assigned to 'sortInitialOrder'
                val += $header.data( key ) || $header.data( key.toLowerCase() );
            } else if ( meta && typeof meta[ key ] !== 'undefined' ) {
                val += meta[ key ];
            } else if ( configHeader && typeof configHeader[ key ] !== 'undefined' ) {
                val += configHeader[ key ];
            } else if ( cl4ss !== ' ' && cl4ss.match( ' ' + key + '-' ) ) {
                // include sorter class name 'sorter-text', etc; now works with 'sorter-my-custom-parser'
                val = cl4ss.match( new RegExp( '\\s' + key + '-([\\w-]+)' ) )[ 1 ] || '';
            }
            return $.trim( val );
        },

        getColumnData : function( table, obj, indx, getCell, $headers ) {
            if ( typeof obj !== 'object' || obj === null ) {
                return obj;
            }
            table = $( table )[ 0 ];
            var $header, key,
                c = table.config,
                $cells = ( $headers || c.$headers ),
                // c.$headerIndexed is not defined initially
                $cell = c.$headerIndexed && c.$headerIndexed[ indx ] ||
                    $cells.find( '[data-column="' + indx + '"]:last' );
            if ( typeof obj[ indx ] !== 'undefined' ) {
                return getCell ? obj[ indx ] : obj[ $cells.index( $cell ) ];
            }
            for ( key in obj ) {
                if ( typeof key === 'string' ) {
                    $header = $cell
                        // header cell with class/id
                        .filter( key )
                        // find elements within the header cell with cell/id
                        .add( $cell.find( key ) );
                    if ( $header.length ) {
                        return obj[ key ];
                    }
                }
            }
            return;
        },

        // *** Process table ***
        // add processing indicator
        isProcessing : function( $table, toggle, $headers ) {
            $table = $( $table );
            var c = $table[ 0 ].config,
                // default to all headers
                $header = $headers || $table.find( '.' + ts.css.header );
            if ( toggle ) {
                // don't use sortList if custom $headers used
                if ( typeof $headers !== 'undefined' && c.sortList.length > 0 ) {
                    // get headers from the sortList
                    $header = $header.filter( function() {
                        // get data-column from attr to keep compatibility with jQuery 1.2.6
                        return this.sortDisabled ?
                            false :
                            ts.isValueInArray( parseFloat( $( this ).attr( 'data-column' ) ), c.sortList ) >= 0;
                    });
                }
                $table.add( $header ).addClass( ts.css.processing + ' ' + c.cssProcessing );
            } else {
                $table.add( $header ).removeClass( ts.css.processing + ' ' + c.cssProcessing );
            }
        },

        // detach tbody but save the position
        // don't use tbody because there are portions that look for a tbody index (updateCell)
        processTbody : function( table, $tb, getIt ) {
            table = $( table )[ 0 ];
            if ( getIt ) {
                table.isProcessing = true;
                $tb.before( '<colgroup class="tablesorter-savemyplace"/>' );
                return $.fn.detach ? $tb.detach() : $tb.remove();
            }
            var holdr = $( table ).find( 'colgroup.tablesorter-savemyplace' );
            $tb.insertAfter( holdr );
            holdr.remove();
            table.isProcessing = false;
        },

        clearTableBody : function( table ) {
            $( table )[ 0 ].config.$tbodies.children().detach();
        },

        // used when replacing accented characters during sorting
        characterEquivalents : {
            'a' : '\u00e1\u00e0\u00e2\u00e3\u00e4\u0105\u00e5', // áàâãäąå
            'A' : '\u00c1\u00c0\u00c2\u00c3\u00c4\u0104\u00c5', // ÁÀÂÃÄĄÅ
            'c' : '\u00e7\u0107\u010d', // çćč
            'C' : '\u00c7\u0106\u010c', // ÇĆČ
            'e' : '\u00e9\u00e8\u00ea\u00eb\u011b\u0119', // éèêëěę
            'E' : '\u00c9\u00c8\u00ca\u00cb\u011a\u0118', // ÉÈÊËĚĘ
            'i' : '\u00ed\u00ec\u0130\u00ee\u00ef\u0131', // íìİîïı
            'I' : '\u00cd\u00cc\u0130\u00ce\u00cf', // ÍÌİÎÏ
            'o' : '\u00f3\u00f2\u00f4\u00f5\u00f6\u014d', // óòôõöō
            'O' : '\u00d3\u00d2\u00d4\u00d5\u00d6\u014c', // ÓÒÔÕÖŌ
            'ss': '\u00df', // ß (s sharp)
            'SS': '\u1e9e', // ẞ (Capital sharp s)
            'u' : '\u00fa\u00f9\u00fb\u00fc\u016f', // úùûüů
            'U' : '\u00da\u00d9\u00db\u00dc\u016e' // ÚÙÛÜŮ
        },

        replaceAccents : function( str ) {
            var chr,
                acc = '[',
                eq = ts.characterEquivalents;
            if ( !ts.characterRegex ) {
                ts.characterRegexArray = {};
                for ( chr in eq ) {
                    if ( typeof chr === 'string' ) {
                        acc += eq[ chr ];
                        ts.characterRegexArray[ chr ] = new RegExp( '[' + eq[ chr ] + ']', 'g' );
                    }
                }
                ts.characterRegex = new RegExp( acc + ']' );
            }
            if ( ts.characterRegex.test( str ) ) {
                for ( chr in eq ) {
                    if ( typeof chr === 'string' ) {
                        str = str.replace( ts.characterRegexArray[ chr ], chr );
                    }
                }
            }
            return str;
        },

        validateOptions : function( c ) {
            var setting, setting2, typ, timer,
                // ignore options containing an array
                ignore = 'headers sortForce sortList sortAppend widgets'.split( ' ' ),
                orig = c.originalSettings;
            if ( orig ) {
                if ( ts.debug(c, 'core') ) {
                    timer = new Date();
                }
                for ( setting in orig ) {
                    typ = typeof ts.defaults[setting];
                    if ( typ === 'undefined' ) {
                        console.warn( 'Tablesorter Warning! "table.config.' + setting + '" option not recognized' );
                    } else if ( typ === 'object' ) {
                        for ( setting2 in orig[setting] ) {
                            typ = ts.defaults[setting] && typeof ts.defaults[setting][setting2];
                            if ( $.inArray( setting, ignore ) < 0 && typ === 'undefined' ) {
                                console.warn( 'Tablesorter Warning! "table.config.' + setting + '.' + setting2 + '" option not recognized' );
                            }
                        }
                    }
                }
                if ( ts.debug(c, 'core') ) {
                    console.log( 'validate options time:' + ts.benchmark( timer ) );
                }
            }
        },

        // restore headers
        restoreHeaders : function( table ) {
            var index, $cell,
                c = $( table )[ 0 ].config,
                $headers = c.$table.find( c.selectorHeaders ),
                len = $headers.length;
            // don't use c.$headers here in case header cells were swapped
            for ( index = 0; index < len; index++ ) {
                $cell = $headers.eq( index );
                // only restore header cells if it is wrapped
                // because this is also used by the updateAll method
                if ( $cell.find( '.' + ts.css.headerIn ).length ) {
                    $cell.html( c.headerContent[ index ] );
                }
            }
        },

        destroy : function( table, removeClasses, callback ) {
            table = $( table )[ 0 ];
            if ( !table.hasInitialized ) { return; }
            // remove all widgets
            ts.removeWidget( table, true, false );
            var events,
                $t = $( table ),
                c = table.config,
                $h = $t.find( 'thead:first' ),
                $r = $h.find( 'tr.' + ts.css.headerRow ).removeClass( ts.css.headerRow + ' ' + c.cssHeaderRow ),
                $f = $t.find( 'tfoot:first > tr' ).children( 'th, td' );
            if ( removeClasses === false && $.inArray( 'uitheme', c.widgets ) >= 0 ) {
                // reapply uitheme classes, in case we want to maintain appearance
                $t.triggerHandler( 'applyWidgetId', [ 'uitheme' ] );
                $t.triggerHandler( 'applyWidgetId', [ 'zebra' ] );
            }
            // remove widget added rows, just in case
            $h.find( 'tr' ).not( $r ).remove();
            // disable tablesorter - not using .unbind( namespace ) because namespacing was
            // added in jQuery v1.4.3 - see http://api.jquery.com/event.namespace/
            events = 'sortReset update updateRows updateAll updateHeaders updateCell addRows updateComplete sorton ' +
                'appendCache updateCache applyWidgetId applyWidgets refreshWidgets removeWidget destroy mouseup mouseleave ' +
                'keypress sortBegin sortEnd resetToLoadState '.split( ' ' )
                .join( c.namespace + ' ' );
            $t
                .removeData( 'tablesorter' )
                .unbind( events.replace( ts.regex.spaces, ' ' ) );
            c.$headers
                .add( $f )
                .removeClass( [ ts.css.header, c.cssHeader, c.cssAsc, c.cssDesc, ts.css.sortAsc, ts.css.sortDesc, ts.css.sortNone ].join( ' ' ) )
                .removeAttr( 'data-column' )
                .removeAttr( 'aria-label' )
                .attr( 'aria-disabled', 'true' );
            $r
                .find( c.selectorSort )
                .unbind( ( 'mousedown mouseup keypress '.split( ' ' ).join( c.namespace + ' ' ) ).replace( ts.regex.spaces, ' ' ) );
            ts.restoreHeaders( table );
            $t.toggleClass( ts.css.table + ' ' + c.tableClass + ' tablesorter-' + c.theme, removeClasses === false );
            $t.removeClass(c.namespace.slice(1));
            // clear flag in case the plugin is initialized again
            table.hasInitialized = false;
            delete table.config.cache;
            if ( typeof callback === 'function' ) {
                callback( table );
            }
            if ( ts.debug(c, 'core') ) {
                console.log( 'tablesorter has been removed' );
            }
        }

    };

    $.fn.tablesorter = function( settings ) {
        return this.each( function() {
            var table = this,
            // merge & extend config options
            c = $.extend( true, {}, ts.defaults, settings, ts.instanceMethods );
            // save initial settings
            c.originalSettings = settings;
            // create a table from data (build table widget)
            if ( !table.hasInitialized && ts.buildTable && this.nodeName !== 'TABLE' ) {
                // return the table (in case the original target is the table's container)
                ts.buildTable( table, c );
            } else {
                ts.setup( table, c );
            }
        });
    };

    // set up debug logs
    if ( !( window.console && window.console.log ) ) {
        // access $.tablesorter.logs for browsers that don't have a console...
        ts.logs = [];
        /*jshint -W020 */
        console = {};
        console.log = console.warn = console.error = console.table = function() {
            var arg = arguments.length > 1 ? arguments : arguments[0];
            ts.logs[ ts.logs.length ] = { date: Date.now(), log: arg };
        };
    }

    // add default parsers
    ts.addParser({
        id : 'no-parser',
        is : function() {
            return false;
        },
        format : function() {
            return '';
        },
        type : 'text'
    });

    ts.addParser({
        id : 'text',
        is : function() {
            return true;
        },
        format : function( str, table ) {
            var c = table.config;
            if ( str ) {
                str = $.trim( c.ignoreCase ? str.toLocaleLowerCase() : str );
                str = c.sortLocaleCompare ? ts.replaceAccents( str ) : str;
            }
            return str;
        },
        type : 'text'
    });

    ts.regex.nondigit = /[^\w,. \-()]/g;
    ts.addParser({
        id : 'digit',
        is : function( str ) {
            return ts.isDigit( str );
        },
        format : function( str, table ) {
            var num = ts.formatFloat( ( str || '' ).replace( ts.regex.nondigit, '' ), table );
            return str && typeof num === 'number' ? num :
                str ? $.trim( str && table.config.ignoreCase ? str.toLocaleLowerCase() : str ) : str;
        },
        type : 'numeric'
    });

    ts.regex.currencyReplace = /[+\-,. ]/g;
    ts.regex.currencyTest = /^\(?\d+[\u00a3$\u20ac\u00a4\u00a5\u00a2?.]|[\u00a3$\u20ac\u00a4\u00a5\u00a2?.]\d+\)?$/;
    ts.addParser({
        id : 'currency',
        is : function( str ) {
            str = ( str || '' ).replace( ts.regex.currencyReplace, '' );
            // test for £$€¤¥¢
            return ts.regex.currencyTest.test( str );
        },
        format : function( str, table ) {
            var num = ts.formatFloat( ( str || '' ).replace( ts.regex.nondigit, '' ), table );
            return str && typeof num === 'number' ? num :
                str ? $.trim( str && table.config.ignoreCase ? str.toLocaleLowerCase() : str ) : str;
        },
        type : 'numeric'
    });

    // too many protocols to add them all https://en.wikipedia.org/wiki/URI_scheme
    // now, this regex can be updated before initialization
    ts.regex.urlProtocolTest = /^(https?|ftp|file):\/\//;
    ts.regex.urlProtocolReplace = /(https?|ftp|file):\/\/(www\.)?/;
    ts.addParser({
        id : 'url',
        is : function( str ) {
            return ts.regex.urlProtocolTest.test( str );
        },
        format : function( str ) {
            return str ? $.trim( str.replace( ts.regex.urlProtocolReplace, '' ) ) : str;
        },
        type : 'text'
    });

    ts.regex.dash = /-/g;
    ts.regex.isoDate = /^\d{4}[\/\-]\d{1,2}[\/\-]\d{1,2}/;
    ts.addParser({
        id : 'isoDate',
        is : function( str ) {
            return ts.regex.isoDate.test( str );
        },
        format : function( str ) {
            var date = str ? new Date( str.replace( ts.regex.dash, '/' ) ) : str;
            return date instanceof Date && isFinite( date ) ? date.getTime() : str;
        },
        type : 'numeric'
    });

    ts.regex.percent = /%/g;
    ts.regex.percentTest = /(\d\s*?%|%\s*?\d)/;
    ts.addParser({
        id : 'percent',
        is : function( str ) {
            return ts.regex.percentTest.test( str ) && str.length < 15;
        },
        format : function( str, table ) {
            return str ? ts.formatFloat( str.replace( ts.regex.percent, '' ), table ) : str;
        },
        type : 'numeric'
    });

    // added image parser to core v2.17.9
    ts.addParser({
        id : 'image',
        is : function( str, table, node, $node ) {
            return $node.find( 'img' ).length > 0;
        },
        format : function( str, table, cell ) {
            return $( cell ).find( 'img' ).attr( table.config.imgAttr || 'alt' ) || str;
        },
        parsed : true, // filter widget flag
        type : 'text'
    });

    ts.regex.dateReplace = /(\S)([AP]M)$/i; // used by usLongDate & time parser
    ts.regex.usLongDateTest1 = /^[A-Z]{3,10}\.?\s+\d{1,2},?\s+(\d{4})(\s+\d{1,2}:\d{2}(:\d{2})?(\s+[AP]M)?)?$/i;
    ts.regex.usLongDateTest2 = /^\d{1,2}\s+[A-Z]{3,10}\s+\d{4}/i;
    ts.addParser({
        id : 'usLongDate',
        is : function( str ) {
            // two digit years are not allowed cross-browser
            // Jan 01, 2013 12:34:56 PM or 01 Jan 2013
            return ts.regex.usLongDateTest1.test( str ) || ts.regex.usLongDateTest2.test( str );
        },
        format : function( str ) {
            var date = str ? new Date( str.replace( ts.regex.dateReplace, '$1 $2' ) ) : str;
            return date instanceof Date && isFinite( date ) ? date.getTime() : str;
        },
        type : 'numeric'
    });

    // testing for ##-##-#### or ####-##-##, so it's not perfect; time can be included
    ts.regex.shortDateTest = /(^\d{1,2}[\/\s]\d{1,2}[\/\s]\d{4})|(^\d{4}[\/\s]\d{1,2}[\/\s]\d{1,2})/;
    // escaped "-" because JSHint in Firefox was showing it as an error
    ts.regex.shortDateReplace = /[\-.,]/g;
    // XXY covers MDY & DMY formats
    ts.regex.shortDateXXY = /(\d{1,2})[\/\s](\d{1,2})[\/\s](\d{4})/;
    ts.regex.shortDateYMD = /(\d{4})[\/\s](\d{1,2})[\/\s](\d{1,2})/;
    ts.convertFormat = function( dateString, format ) {
        dateString = ( dateString || '' )
            .replace( ts.regex.spaces, ' ' )
            .replace( ts.regex.shortDateReplace, '/' );
        if ( format === 'mmddyyyy' ) {
            dateString = dateString.replace( ts.regex.shortDateXXY, '$3/$1/$2' );
        } else if ( format === 'ddmmyyyy' ) {
            dateString = dateString.replace( ts.regex.shortDateXXY, '$3/$2/$1' );
        } else if ( format === 'yyyymmdd' ) {
            dateString = dateString.replace( ts.regex.shortDateYMD, '$1/$2/$3' );
        }
        var date = new Date( dateString );
        return date instanceof Date && isFinite( date ) ? date.getTime() : '';
    };

    ts.addParser({
        id : 'shortDate', // 'mmddyyyy', 'ddmmyyyy' or 'yyyymmdd'
        is : function( str ) {
            str = ( str || '' ).replace( ts.regex.spaces, ' ' ).replace( ts.regex.shortDateReplace, '/' );
            return ts.regex.shortDateTest.test( str );
        },
        format : function( str, table, cell, cellIndex ) {
            if ( str ) {
                var c = table.config,
                    $header = c.$headerIndexed[ cellIndex ],
                    format = $header.length && $header.data( 'dateFormat' ) ||
                        ts.getData( $header, ts.getColumnData( table, c.headers, cellIndex ), 'dateFormat' ) ||
                        c.dateFormat;
                // save format because getData can be slow...
                if ( $header.length ) {
                    $header.data( 'dateFormat', format );
                }
                return ts.convertFormat( str, format ) || str;
            }
            return str;
        },
        type : 'numeric'
    });

    // match 24 hour time & 12 hours time + am/pm - see http://regexr.com/3c3tk
    ts.regex.timeTest = /^(0?[1-9]|1[0-2]):([0-5]\d)(\s[AP]M)$|^((?:[01]\d|[2][0-4]):[0-5]\d)$/i;
    ts.regex.timeMatch = /(0?[1-9]|1[0-2]):([0-5]\d)(\s[AP]M)|((?:[01]\d|[2][0-4]):[0-5]\d)/i;
    ts.addParser({
        id : 'time',
        is : function( str ) {
            return ts.regex.timeTest.test( str );
        },
        format : function( str ) {
            // isolate time... ignore month, day and year
            var temp,
                timePart = ( str || '' ).match( ts.regex.timeMatch ),
                orig = new Date( str ),
                // no time component? default to 00:00 by leaving it out, but only if str is defined
                time = str && ( timePart !== null ? timePart[ 0 ] : '00:00 AM' ),
                date = time ? new Date( '2000/01/01 ' + time.replace( ts.regex.dateReplace, '$1 $2' ) ) : time;
            if ( date instanceof Date && isFinite( date ) ) {
                temp = orig instanceof Date && isFinite( orig ) ? orig.getTime() : 0;
                // if original string was a valid date, add it to the decimal so the column sorts in some kind of order
                // luckily new Date() ignores the decimals
                return temp ? parseFloat( date.getTime() + '.' + orig.getTime() ) : date.getTime();
            }
            return str;
        },
        type : 'numeric'
    });

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

    /*
        ██████ ██████ █████▄ █████▄ ▄████▄
          ▄█▀  ██▄▄   ██▄▄██ ██▄▄██ ██▄▄██
        ▄█▀    ██▀▀   ██▀▀██ ██▀▀█  ██▀▀██
        ██████ ██████ █████▀ ██  ██ ██  ██
        */
    // add default widgets
    ts.addWidget({
        id : 'zebra',
        priority : 90,
        format : function( table, c, wo ) {
            var $visibleRows, $row, count, isEven, tbodyIndex, rowIndex, len,
                child = new RegExp( c.cssChildRow, 'i' ),
                $tbodies = c.$tbodies.add( $( c.namespace + '_extra_table' ).children( 'tbody:not(.' + c.cssInfoBlock + ')' ) );
            for ( tbodyIndex = 0; tbodyIndex < $tbodies.length; tbodyIndex++ ) {
                // loop through the visible rows
                count = 0;
                $visibleRows = $tbodies.eq( tbodyIndex ).children( 'tr:visible' ).not( c.selectorRemove );
                len = $visibleRows.length;
                for ( rowIndex = 0; rowIndex < len; rowIndex++ ) {
                    $row = $visibleRows.eq( rowIndex );
                    // style child rows the same way the parent row was styled
                    if ( !child.test( $row[ 0 ].className ) ) { count++; }
                    isEven = ( count % 2 === 0 );
                    $row
                        .removeClass( wo.zebra[ isEven ? 1 : 0 ] )
                        .addClass( wo.zebra[ isEven ? 0 : 1 ] );
                }
            }
        },
        remove : function( table, c, wo, refreshing ) {
            if ( refreshing ) { return; }
            var tbodyIndex, $tbody,
                $tbodies = c.$tbodies,
                toRemove = ( wo.zebra || [ 'even', 'odd' ] ).join( ' ' );
            for ( tbodyIndex = 0; tbodyIndex < $tbodies.length; tbodyIndex++ ) {
                $tbody = ts.processTbody( table, $tbodies.eq( tbodyIndex ), true ); // remove tbody
                $tbody.children().removeClass( toRemove );
                ts.processTbody( table, $tbody, false ); // restore tbody
            }
        }
    });

})( jQuery );
return jQuery.tablesorter;}));