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/assets/js/vendor/ -> jquery.tablesorter.js (source)

   1  (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){
   2  /*! TableSorter (FORK) v2.31.1 *//*
   3  * Client-side table sorting with ease!
   4  * @requires jQuery v1.2.6+
   5  *
   6  * Copyright (c) 2007 Christian Bach
   7  * fork maintained by Rob Garrison
   8  *
   9  * Examples and original docs at: http://tablesorter.com
  10  * Dual licensed under the MIT and GPL licenses:
  11  * http://www.opensource.org/licenses/mit-license.php
  12  * http://www.gnu.org/licenses/gpl.html
  13  *
  14  * @type jQuery
  15  * @name tablesorter (FORK)
  16  * @cat Plugins/Tablesorter
  17  * @author Christian Bach - christian.bach@polyester.se
  18  * @contributor Rob Garrison - https://github.com/Mottie/tablesorter
  19  * @docs (fork) - https://mottie.github.io/tablesorter/docs/
  20  */
  21  /*jshint browser:true, jquery:true, unused:false, expr: true */
  22  ;( function( $ ) {
  23      'use strict';
  24      var ts = $.tablesorter = {
  25  
  26          version : '2.31.1',
  27  
  28          parsers : [],
  29          widgets : [],
  30          defaults : {
  31  
  32              // *** appearance
  33              theme            : 'default',  // adds tablesorter-{theme} to the table for styling
  34              widthFixed       : false,      // adds colgroup to fix widths of columns
  35              showProcessing   : false,      // show an indeterminate timer icon in the header when the table is sorted or filtered.
  36  
  37              headerTemplate   : '{content}',// header layout template (HTML ok); {content} = innerHTML, {icon} = <i/> // class from cssIcon
  38              onRenderTemplate : null,       // function( index, template ) { return template; }, // template is a string
  39              onRenderHeader   : null,       // function( index ) {}, // nothing to return
  40  
  41              // *** functionality
  42              cancelSelection  : true,       // prevent text selection in the header
  43              tabIndex         : true,       // add tabindex to header for keyboard accessibility
  44              dateFormat       : 'mmddyyyy', // other options: 'ddmmyyy' or 'yyyymmdd'
  45              sortMultiSortKey : 'shiftKey', // key used to select additional columns
  46              sortResetKey     : 'ctrlKey',  // key used to remove sorting on a column
  47              usNumberFormat   : true,       // false for German '1.234.567,89' or French '1 234 567,89'
  48              delayInit        : false,      // if false, the parsed table contents will not update until the first sort
  49              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.
  50              resort           : true,       // default setting to trigger a resort after an 'update', 'addRows', 'updateCell', etc has completed
  51  
  52              // *** sort options
  53              headers          : {},         // set sorter, string, empty, locked order, sortInitialOrder, filter, etc.
  54              ignoreCase       : true,       // ignore case while sorting
  55              sortForce        : null,       // column(s) first sorted; always applied
  56              sortList         : [],         // Initial sort order; applied initially; updated when manually sorted
  57              sortAppend       : null,       // column(s) sorted last; always applied
  58              sortStable       : false,      // when sorting two rows with exactly the same content, the original sort order is maintained
  59  
  60              sortInitialOrder : 'asc',      // sort direction on first click
  61              sortLocaleCompare: false,      // replace equivalent character (accented characters)
  62              sortReset        : false,      // third click on the header will reset column to default - unsorted
  63              sortRestart      : false,      // restart sort to 'sortInitialOrder' when clicking on previously unsorted columns
  64  
  65              emptyTo          : 'bottom',   // sort empty cell to bottom, top, none, zero, emptyMax, emptyMin
  66              stringTo         : 'max',      // sort strings in numerical column as max, min, top, bottom, zero
  67              duplicateSpan    : true,       // colspan cells in the tbody will have duplicated content in the cache for each spanned column
  68              textExtraction   : 'basic',    // text extraction method/function - function( node, table, cellIndex ) {}
  69              textAttribute    : 'data-text',// data-attribute that contains alternate cell text (used in default textExtraction function)
  70              textSorter       : null,       // choose overall or specific column sorter function( a, b, direction, table, columnIndex ) [alt: ts.sortText]
  71              numberSorter     : null,       // choose overall numeric sorter function( a, b, direction, maxColumnValue )
  72  
  73              // *** widget options
  74              initWidgets      : true,       // apply widgets on tablesorter initialization
  75              widgetClass      : 'widget-{name}', // table class name template to match to include a widget
  76              widgets          : [],         // method to add widgets, e.g. widgets: ['zebra']
  77              widgetOptions    : {
  78                  zebra : [ 'even', 'odd' ]  // zebra widget alternating row class names
  79              },
  80  
  81              // *** callbacks
  82              initialized      : null,       // function( table ) {},
  83  
  84              // *** extra css class names
  85              tableClass       : '',
  86              cssAsc           : '',
  87              cssDesc          : '',
  88              cssNone          : '',
  89              cssHeader        : '',
  90              cssHeaderRow     : '',
  91              cssProcessing    : '', // processing icon applied to header during sort/filter
  92  
  93              cssChildRow      : 'tablesorter-childRow', // class name indiciating that a row is to be attached to its parent
  94              cssInfoBlock     : 'tablesorter-infoOnly', // don't sort tbody with this class name (only one class name allowed here!)
  95              cssNoSort        : 'tablesorter-noSort',   // class name added to element inside header; clicking on it won't cause a sort
  96              cssIgnoreRow     : 'tablesorter-ignoreRow',// header row to ignore; cells within this row will not be added to c.$headers
  97  
  98              cssIcon          : 'tablesorter-icon', // if this class does not exist, the {icon} will not be added from the headerTemplate
  99              cssIconNone      : '', // class name added to the icon when there is no column sort
 100              cssIconAsc       : '', // class name added to the icon when the column has an ascending sort
 101              cssIconDesc      : '', // class name added to the icon when the column has a descending sort
 102              cssIconDisabled  : '', // class name added to the icon when the column has a disabled sort
 103  
 104              // *** events
 105              pointerClick     : 'click',
 106              pointerDown      : 'mousedown',
 107              pointerUp        : 'mouseup',
 108  
 109              // *** selectors
 110              selectorHeaders  : '> thead th, > thead td',
 111              selectorSort     : 'th, td', // jQuery selector of content within selectorHeaders that is clickable to trigger a sort
 112              selectorRemove   : '.remove-me',
 113  
 114              // *** advanced
 115              debug            : false,
 116  
 117              // *** Internal variables
 118              headerList: [],
 119              empties: {},
 120              strings: {},
 121              parsers: [],
 122  
 123              // *** parser options for validator; values must be falsy!
 124              globalize: 0,
 125              imgAttr: 0
 126  
 127              // removed: widgetZebra: { css: ['even', 'odd'] }
 128  
 129          },
 130  
 131          // internal css classes - these will ALWAYS be added to
 132          // the table and MUST only contain one class name - fixes #381
 133          css : {
 134              table      : 'tablesorter',
 135              cssHasChild: 'tablesorter-hasChildRow',
 136              childRow   : 'tablesorter-childRow',
 137              colgroup   : 'tablesorter-colgroup',
 138              header     : 'tablesorter-header',
 139              headerRow  : 'tablesorter-headerRow',
 140              headerIn   : 'tablesorter-header-inner',
 141              icon       : 'tablesorter-icon',
 142              processing : 'tablesorter-processing',
 143              sortAsc    : 'tablesorter-headerAsc',
 144              sortDesc   : 'tablesorter-headerDesc',
 145              sortNone   : 'tablesorter-headerUnSorted'
 146          },
 147  
 148          // labels applied to sortable headers for accessibility (aria) support
 149          language : {
 150              sortAsc      : 'Ascending sort applied, ',
 151              sortDesc     : 'Descending sort applied, ',
 152              sortNone     : 'No sort applied, ',
 153              sortDisabled : 'sorting is disabled',
 154              nextAsc      : 'activate to apply an ascending sort',
 155              nextDesc     : 'activate to apply a descending sort',
 156              nextNone     : 'activate to remove the sort'
 157          },
 158  
 159          regex : {
 160              templateContent : /\{content\}/g,
 161              templateIcon    : /\{icon\}/g,
 162              templateName    : /\{name\}/i,
 163              spaces          : /\s+/g,
 164              nonWord         : /\W/g,
 165              formElements    : /(input|select|button|textarea)/i,
 166  
 167              // *** sort functions ***
 168              // regex used in natural sort
 169              // chunk/tokenize numbers & letters
 170              chunk  : /(^([+\-]?(?:\d*)(?:\.\d*)?(?:[eE][+\-]?\d+)?)?$|^0x[0-9a-f]+$|\d+)/gi,
 171              // replace chunks @ ends
 172              chunks : /(^\\0|\\0$)/,
 173              hex    : /^0x[0-9a-f]+$/i,
 174  
 175              // *** formatFloat ***
 176              comma                : /,/g,
 177              digitNonUS           : /[\s|\.]/g,
 178              digitNegativeTest    : /^\s*\([.\d]+\)/,
 179              digitNegativeReplace : /^\s*\(([.\d]+)\)/,
 180  
 181              // *** isDigit ***
 182              digitTest    : /^[\-+(]?\d+[)]?$/,
 183              digitReplace : /[,.'"\s]/g
 184  
 185          },
 186  
 187          // digit sort, text location
 188          string : {
 189              max      : 1,
 190              min      : -1,
 191              emptymin : 1,
 192              emptymax : -1,
 193              zero     : 0,
 194              none     : 0,
 195              'null'   : 0,
 196              top      : true,
 197              bottom   : false
 198          },
 199  
 200          keyCodes : {
 201              enter : 13
 202          },
 203  
 204          // placeholder date parser data (globalize)
 205          dates : {},
 206  
 207          // These methods can be applied on table.config instance
 208          instanceMethods : {},
 209  
 210          /*
 211          ▄█████ ██████ ██████ ██  ██ █████▄
 212          ▀█▄    ██▄▄     ██   ██  ██ ██▄▄██
 213             ▀█▄ ██▀▀     ██   ██  ██ ██▀▀▀
 214          █████▀ ██████   ██   ▀████▀ ██
 215          */
 216  
 217          setup : function( table, c ) {
 218              // if no thead or tbody, or tablesorter is already present, quit
 219              if ( !table || !table.tHead || table.tBodies.length === 0 || table.hasInitialized === true ) {
 220                  if ( ts.debug(c, 'core') ) {
 221                      if ( table.hasInitialized ) {
 222                          console.warn( 'Stopping initialization. Tablesorter has already been initialized' );
 223                      } else {
 224                          console.error( 'Stopping initialization! No table, thead or tbody', table );
 225                      }
 226                  }
 227                  return;
 228              }
 229  
 230              var tmp = '',
 231                  $table = $( table ),
 232                  meta = $.metadata;
 233              // initialization flag
 234              table.hasInitialized = false;
 235              // table is being processed flag
 236              table.isProcessing = true;
 237              // make sure to store the config object
 238              table.config = c;
 239              // save the settings where they read
 240              $.data( table, 'tablesorter', c );
 241              if ( ts.debug(c, 'core') ) {
 242                  console[ console.group ? 'group' : 'log' ]( 'Initializing tablesorter v' + ts.version );
 243                  $.data( table, 'startoveralltimer', new Date() );
 244              }
 245  
 246              // removing this in version 3 (only supports jQuery 1.7+)
 247              c.supportsDataObject = ( function( version ) {
 248                  version[ 0 ] = parseInt( version[ 0 ], 10 );
 249                  return ( version[ 0 ] > 1 ) || ( version[ 0 ] === 1 && parseInt( version[ 1 ], 10 ) >= 4 );
 250              })( $.fn.jquery.split( '.' ) );
 251              // ensure case insensitivity
 252              c.emptyTo = c.emptyTo.toLowerCase();
 253              c.stringTo = c.stringTo.toLowerCase();
 254              c.last = { sortList : [], clickedIndex : -1 };
 255              // add table theme class only if there isn't already one there
 256              if ( !/tablesorter\-/.test( $table.attr( 'class' ) ) ) {
 257                  tmp = ( c.theme !== '' ? ' tablesorter-' + c.theme : '' );
 258              }
 259  
 260              // give the table a unique id, which will be used in namespace binding
 261              if ( !c.namespace ) {
 262                  c.namespace = '.tablesorter' + Math.random().toString( 16 ).slice( 2 );
 263              } else {
 264                  // make sure namespace starts with a period & doesn't have weird characters
 265                  c.namespace = '.' + c.namespace.replace( ts.regex.nonWord, '' );
 266              }
 267  
 268              c.table = table;
 269              c.$table = $table
 270                  // add namespace to table to allow bindings on extra elements to target
 271                  // the parent table (e.g. parser-input-select)
 272                  .addClass( ts.css.table + ' ' + c.tableClass + tmp + ' ' + c.namespace.slice(1) )
 273                  .attr( 'role', 'grid' );
 274              c.$headers = $table.find( c.selectorHeaders );
 275  
 276              c.$table.children().children( 'tr' ).attr( 'role', 'row' );
 277              c.$tbodies = $table.children( 'tbody:not(.' + c.cssInfoBlock + ')' ).attr({
 278                  'aria-live' : 'polite',
 279                  'aria-relevant' : 'all'
 280              });
 281              if ( c.$table.children( 'caption' ).length ) {
 282                  tmp = c.$table.children( 'caption' )[ 0 ];
 283                  if ( !tmp.id ) { tmp.id = c.namespace.slice( 1 ) + 'caption'; }
 284                  c.$table.attr( 'aria-labelledby', tmp.id );
 285              }
 286              c.widgetInit = {}; // keep a list of initialized widgets
 287              // change textExtraction via data-attribute
 288              c.textExtraction = c.$table.attr( 'data-text-extraction' ) || c.textExtraction || 'basic';
 289              // build headers
 290              ts.buildHeaders( c );
 291              // fixate columns if the users supplies the fixedWidth option
 292              // do this after theme has been applied
 293              ts.fixColumnWidth( table );
 294              // add widgets from class name
 295              ts.addWidgetFromClass( table );
 296              // add widget options before parsing (e.g. grouping widget has parser settings)
 297              ts.applyWidgetOptions( table );
 298              // try to auto detect column type, and store in tables config
 299              ts.setupParsers( c );
 300              // start total row count at zero
 301              c.totalRows = 0;
 302              // only validate options while debugging. See #1528
 303              if (c.debug) {
 304                  ts.validateOptions( c );
 305              }
 306              // build the cache for the tbody cells
 307              // delayInit will delay building the cache until the user starts a sort
 308              if ( !c.delayInit ) { ts.buildCache( c ); }
 309              // bind all header events and methods
 310              ts.bindEvents( table, c.$headers, true );
 311              ts.bindMethods( c );
 312              // get sort list from jQuery data or metadata
 313              // in jQuery < 1.4, an error occurs when calling $table.data()
 314              if ( c.supportsDataObject && typeof $table.data().sortlist !== 'undefined' ) {
 315                  c.sortList = $table.data().sortlist;
 316              } else if ( meta && ( $table.metadata() && $table.metadata().sortlist ) ) {
 317                  c.sortList = $table.metadata().sortlist;
 318              }
 319              // apply widget init code
 320              ts.applyWidget( table, true );
 321              // if user has supplied a sort list to constructor
 322              if ( c.sortList.length > 0 ) {
 323                  // save sortList before any sortAppend is added
 324                  c.last.sortList = c.sortList;
 325                  ts.sortOn( c, c.sortList, {}, !c.initWidgets );
 326              } else {
 327                  ts.setHeadersCss( c );
 328                  if ( c.initWidgets ) {
 329                      // apply widget format
 330                      ts.applyWidget( table, false );
 331                  }
 332              }
 333  
 334              // show processesing icon
 335              if ( c.showProcessing ) {
 336                  $table
 337                  .unbind( 'sortBegin' + c.namespace + ' sortEnd' + c.namespace )
 338                  .bind( 'sortBegin' + c.namespace + ' sortEnd' + c.namespace, function( e ) {
 339                      clearTimeout( c.timerProcessing );
 340                      ts.isProcessing( table );
 341                      if ( e.type === 'sortBegin' ) {
 342                          c.timerProcessing = setTimeout( function() {
 343                              ts.isProcessing( table, true );
 344                          }, 500 );
 345                      }
 346                  });
 347              }
 348  
 349              // initialized
 350              table.hasInitialized = true;
 351              table.isProcessing = false;
 352              if ( ts.debug(c, 'core') ) {
 353                  console.log( 'Overall initialization time:' + ts.benchmark( $.data( table, 'startoveralltimer' ) ) );
 354                  if ( ts.debug(c, 'core') && console.groupEnd ) { console.groupEnd(); }
 355              }
 356              $table.triggerHandler( 'tablesorter-initialized', table );
 357              if ( typeof c.initialized === 'function' ) {
 358                  c.initialized( table );
 359              }
 360          },
 361  
 362          bindMethods : function( c ) {
 363              var $table = c.$table,
 364                  namespace = c.namespace,
 365                  events = ( 'sortReset update updateRows updateAll updateHeaders addRows updateCell updateComplete ' +
 366                      'sorton appendCache updateCache applyWidgetId applyWidgets refreshWidgets destroy mouseup ' +
 367                      'mouseleave ' ).split( ' ' )
 368                      .join( namespace + ' ' );
 369              // apply easy methods that trigger bound events
 370              $table
 371              .unbind( events.replace( ts.regex.spaces, ' ' ) )
 372              .bind( 'sortReset' + namespace, function( e, callback ) {
 373                  e.stopPropagation();
 374                  // using this.config to ensure functions are getting a non-cached version of the config
 375                  ts.sortReset( this.config, function( table ) {
 376                      if (table.isApplyingWidgets) {
 377                          // multiple triggers in a row... filterReset, then sortReset - see #1361
 378                          // wait to update widgets
 379                          setTimeout( function() {
 380                              ts.applyWidget( table, '', callback );
 381                          }, 100 );
 382                      } else {
 383                          ts.applyWidget( table, '', callback );
 384                      }
 385                  });
 386              })
 387              .bind( 'updateAll' + namespace, function( e, resort, callback ) {
 388                  e.stopPropagation();
 389                  ts.updateAll( this.config, resort, callback );
 390              })
 391              .bind( 'update' + namespace + ' updateRows' + namespace, function( e, resort, callback ) {
 392                  e.stopPropagation();
 393                  ts.update( this.config, resort, callback );
 394              })
 395              .bind( 'updateHeaders' + namespace, function( e, callback ) {
 396                  e.stopPropagation();
 397                  ts.updateHeaders( this.config, callback );
 398              })
 399              .bind( 'updateCell' + namespace, function( e, cell, resort, callback ) {
 400                  e.stopPropagation();
 401                  ts.updateCell( this.config, cell, resort, callback );
 402              })
 403              .bind( 'addRows' + namespace, function( e, $row, resort, callback ) {
 404                  e.stopPropagation();
 405                  ts.addRows( this.config, $row, resort, callback );
 406              })
 407              .bind( 'updateComplete' + namespace, function() {
 408                  this.isUpdating = false;
 409              })
 410              .bind( 'sorton' + namespace, function( e, list, callback, init ) {
 411                  e.stopPropagation();
 412                  ts.sortOn( this.config, list, callback, init );
 413              })
 414              .bind( 'appendCache' + namespace, function( e, callback, init ) {
 415                  e.stopPropagation();
 416                  ts.appendCache( this.config, init );
 417                  if ( $.isFunction( callback ) ) {
 418                      callback( this );
 419                  }
 420              })
 421              // $tbodies variable is used by the tbody sorting widget
 422              .bind( 'updateCache' + namespace, function( e, callback, $tbodies ) {
 423                  e.stopPropagation();
 424                  ts.updateCache( this.config, callback, $tbodies );
 425              })
 426              .bind( 'applyWidgetId' + namespace, function( e, id ) {
 427                  e.stopPropagation();
 428                  ts.applyWidgetId( this, id );
 429              })
 430              .bind( 'applyWidgets' + namespace, function( e, callback ) {
 431                  e.stopPropagation();
 432                  // apply widgets (false = not initializing)
 433                  ts.applyWidget( this, false, callback );
 434              })
 435              .bind( 'refreshWidgets' + namespace, function( e, all, dontapply ) {
 436                  e.stopPropagation();
 437                  ts.refreshWidgets( this, all, dontapply );
 438              })
 439              .bind( 'removeWidget' + namespace, function( e, name, refreshing ) {
 440                  e.stopPropagation();
 441                  ts.removeWidget( this, name, refreshing );
 442              })
 443              .bind( 'destroy' + namespace, function( e, removeClasses, callback ) {
 444                  e.stopPropagation();
 445                  ts.destroy( this, removeClasses, callback );
 446              })
 447              .bind( 'resetToLoadState' + namespace, function( e ) {
 448                  e.stopPropagation();
 449                  // remove all widgets
 450                  ts.removeWidget( this, true, false );
 451                  var tmp = $.extend( true, {}, c.originalSettings );
 452                  // restore original settings; this clears out current settings, but does not clear
 453                  // values saved to storage.
 454                  c = $.extend( true, {}, ts.defaults, tmp );
 455                  c.originalSettings = tmp;
 456                  this.hasInitialized = false;
 457                  // setup the entire table again
 458                  ts.setup( this, c );
 459              });
 460          },
 461  
 462          bindEvents : function( table, $headers, core ) {
 463              table = $( table )[ 0 ];
 464              var tmp,
 465                  c = table.config,
 466                  namespace = c.namespace,
 467                  downTarget = null;
 468              if ( core !== true ) {
 469                  $headers.addClass( namespace.slice( 1 ) + '_extra_headers' );
 470                  tmp = ts.getClosest( $headers, 'table' );
 471                  if ( tmp.length && tmp[ 0 ].nodeName === 'TABLE' && tmp[ 0 ] !== table ) {
 472                      $( tmp[ 0 ] ).addClass( namespace.slice( 1 ) + '_extra_table' );
 473                  }
 474              }
 475              tmp = ( c.pointerDown + ' ' + c.pointerUp + ' ' + c.pointerClick + ' sort keyup ' )
 476                  .replace( ts.regex.spaces, ' ' )
 477                  .split( ' ' )
 478                  .join( namespace + ' ' );
 479              // apply event handling to headers and/or additional headers (stickyheaders, scroller, etc)
 480              $headers
 481              // http://stackoverflow.com/questions/5312849/jquery-find-self;
 482              .find( c.selectorSort )
 483              .add( $headers.filter( c.selectorSort ) )
 484              .unbind( tmp )
 485              .bind( tmp, function( e, external ) {
 486                  var $cell, cell, temp,
 487                      $target = $( e.target ),
 488                      // wrap event type in spaces, so the match doesn't trigger on inner words
 489                      type = ' ' + e.type + ' ';
 490                  // only recognize left clicks
 491                  if ( ( ( e.which || e.button ) !== 1 && !type.match( ' ' + c.pointerClick + ' | sort | keyup ' ) ) ||
 492                      // allow pressing enter
 493                      ( type === ' keyup ' && e.which !== ts.keyCodes.enter ) ||
 494                      // allow triggering a click event (e.which is undefined) & ignore physical clicks
 495                      ( type.match( ' ' + c.pointerClick + ' ' ) && typeof e.which !== 'undefined' ) ) {
 496                      return;
 497                  }
 498                  // ignore mouseup if mousedown wasn't on the same target
 499                  if ( type.match( ' ' + c.pointerUp + ' ' ) && downTarget !== e.target && external !== true ) {
 500                      return;
 501                  }
 502                  // set target on mousedown
 503                  if ( type.match( ' ' + c.pointerDown + ' ' ) ) {
 504                      downTarget = e.target;
 505                      // preventDefault needed or jQuery v1.3.2 and older throws an
 506                      // "Uncaught TypeError: handler.apply is not a function" error
 507                      temp = $target.jquery.split( '.' );
 508                      if ( temp[ 0 ] === '1' && temp[ 1 ] < 4 ) { e.preventDefault(); }
 509                      return;
 510                  }
 511                  downTarget = null;
 512                  $cell = ts.getClosest( $( this ), '.' + ts.css.header );
 513                  // prevent sort being triggered on form elements
 514                  if ( ts.regex.formElements.test( e.target.nodeName ) ||
 515                      // nosort class name, or elements within a nosort container
 516                      $target.hasClass( c.cssNoSort ) || $target.parents( '.' + c.cssNoSort ).length > 0 ||
 517                      // disabled cell directly clicked
 518                      $cell.hasClass( 'sorter-false' ) ||
 519                      // elements within a button
 520                      $target.parents( 'button' ).length > 0 ) {
 521                      return !c.cancelSelection;
 522                  }
 523                  if ( c.delayInit && ts.isEmptyObject( c.cache ) ) {
 524                      ts.buildCache( c );
 525                  }
 526                  // use column index from data-attribute or index of current row; fixes #1116
 527                  c.last.clickedIndex = $cell.attr( 'data-column' ) || $cell.index();
 528                  cell = c.$headerIndexed[ c.last.clickedIndex ][0];
 529                  if ( cell && !cell.sortDisabled ) {
 530                      ts.initSort( c, cell, e );
 531                  }
 532              });
 533              if ( c.cancelSelection ) {
 534                  // cancel selection
 535                  $headers
 536                      .attr( 'unselectable', 'on' )
 537                      .bind( 'selectstart', false )
 538                      .css({
 539                          'user-select' : 'none',
 540                          'MozUserSelect' : 'none' // not needed for jQuery 1.8+
 541                      });
 542              }
 543          },
 544  
 545          buildHeaders : function( c ) {
 546              var $temp, icon, timer, indx;
 547              c.headerList = [];
 548              c.headerContent = [];
 549              c.sortVars = [];
 550              if ( ts.debug(c, 'core') ) {
 551                  timer = new Date();
 552              }
 553              // children tr in tfoot - see issue #196 & #547
 554              // don't pass table.config to computeColumnIndex here - widgets (math) pass it to "quickly" index tbody cells
 555              c.columns = ts.computeColumnIndex( c.$table.children( 'thead, tfoot' ).children( 'tr' ) );
 556              // add icon if cssIcon option exists
 557              icon = c.cssIcon ?
 558                  '<i class="' + ( c.cssIcon === ts.css.icon ? ts.css.icon : c.cssIcon + ' ' + ts.css.icon ) + '"></i>' :
 559                  '';
 560              // redefine c.$headers here in case of an updateAll that replaces or adds an entire header cell - see #683
 561              c.$headers = $( $.map( c.$table.find( c.selectorHeaders ), function( elem, index ) {
 562                  var configHeaders, header, column, template, tmp,
 563                      $elem = $( elem );
 564                  // ignore cell (don't add it to c.$headers) if row has ignoreRow class
 565                  if ( ts.getClosest( $elem, 'tr' ).hasClass( c.cssIgnoreRow ) ) { return; }
 566                  // transfer data-column to element if not th/td - #1459
 567                  if ( !/(th|td)/i.test( elem.nodeName ) ) {
 568                      tmp = ts.getClosest( $elem, 'th, td' );
 569                      $elem.attr( 'data-column', tmp.attr( 'data-column' ) );
 570                  }
 571                  // make sure to get header cell & not column indexed cell
 572                  configHeaders = ts.getColumnData( c.table, c.headers, index, true );
 573                  // save original header content
 574                  c.headerContent[ index ] = $elem.html();
 575                  // if headerTemplate is empty, don't reformat the header cell
 576                  if ( c.headerTemplate !== '' && !$elem.find( '.' + ts.css.headerIn ).length ) {
 577                      // set up header template
 578                      template = c.headerTemplate
 579                          .replace( ts.regex.templateContent, $elem.html() )
 580                          .replace( ts.regex.templateIcon, $elem.find( '.' + ts.css.icon ).length ? '' : icon );
 581                      if ( c.onRenderTemplate ) {
 582                          header = c.onRenderTemplate.apply( $elem, [ index, template ] );
 583                          // only change t if something is returned
 584                          if ( header && typeof header === 'string' ) {
 585                              template = header;
 586                          }
 587                      }
 588                      $elem.html( '<div class="' + ts.css.headerIn + '">' + template + '</div>' ); // faster than wrapInner
 589                  }
 590                  if ( c.onRenderHeader ) {
 591                      c.onRenderHeader.apply( $elem, [ index, c, c.$table ] );
 592                  }
 593                  column = parseInt( $elem.attr( 'data-column' ), 10 );
 594                  elem.column = column;
 595                  tmp = ts.getOrder( ts.getData( $elem, configHeaders, 'sortInitialOrder' ) || c.sortInitialOrder );
 596                  // this may get updated numerous times if there are multiple rows
 597                  c.sortVars[ column ] = {
 598                      count : -1, // set to -1 because clicking on the header automatically adds one
 599                      order : tmp ?
 600                          ( c.sortReset ? [ 1, 0, 2 ] : [ 1, 0 ] ) : // desc, asc, unsorted
 601                          ( c.sortReset ? [ 0, 1, 2 ] : [ 0, 1 ] ),  // asc, desc, unsorted
 602                      lockedOrder : false,
 603                      sortedBy : ''
 604                  };
 605                  tmp = ts.getData( $elem, configHeaders, 'lockedOrder' ) || false;
 606                  if ( typeof tmp !== 'undefined' && tmp !== false ) {
 607                      c.sortVars[ column ].lockedOrder = true;
 608                      c.sortVars[ column ].order = ts.getOrder( tmp ) ? [ 1, 1 ] : [ 0, 0 ];
 609                  }
 610                  // add cell to headerList
 611                  c.headerList[ index ] = elem;
 612                  $elem.addClass( ts.css.header + ' ' + c.cssHeader );
 613                  // add to parent in case there are multiple rows
 614                  ts.getClosest( $elem, 'tr' )
 615                      .addClass( ts.css.headerRow + ' ' + c.cssHeaderRow )
 616                      .attr( 'role', 'row' );
 617                  // allow keyboard cursor to focus on element
 618                  if ( c.tabIndex ) {
 619                      $elem.attr( 'tabindex', 0 );
 620                  }
 621                  return elem;
 622              }) );
 623              // cache headers per column
 624              c.$headerIndexed = [];
 625              for ( indx = 0; indx < c.columns; indx++ ) {
 626                  // colspan in header making a column undefined
 627                  if ( ts.isEmptyObject( c.sortVars[ indx ] ) ) {
 628                      c.sortVars[ indx ] = {};
 629                  }
 630                  // Use c.$headers.parent() in case selectorHeaders doesn't point to the th/td
 631                  $temp = c.$headers.filter( '[data-column="' + indx + '"]' );
 632                  // target sortable column cells, unless there are none, then use non-sortable cells
 633                  // .last() added in jQuery 1.4; use .filter(':last') to maintain compatibility with jQuery v1.2.6
 634                  c.$headerIndexed[ indx ] = $temp.length ?
 635                      $temp.not( '.sorter-false' ).length ?
 636                          $temp.not( '.sorter-false' ).filter( ':last' ) :
 637                          $temp.filter( ':last' ) :
 638                      $();
 639              }
 640              c.$table.find( c.selectorHeaders ).attr({
 641                  scope: 'col',
 642                  role : 'columnheader'
 643              });
 644              // enable/disable sorting
 645              ts.updateHeader( c );
 646              if ( ts.debug(c, 'core') ) {
 647                  console.log( 'Built headers:' + ts.benchmark( timer ) );
 648                  console.log( c.$headers );
 649              }
 650          },
 651  
 652          // Use it to add a set of methods to table.config which will be available for all tables.
 653          // This should be done before table initialization
 654          addInstanceMethods : function( methods ) {
 655              $.extend( ts.instanceMethods, methods );
 656          },
 657  
 658          /*
 659          █████▄ ▄████▄ █████▄ ▄█████ ██████ █████▄ ▄█████
 660          ██▄▄██ ██▄▄██ ██▄▄██ ▀█▄    ██▄▄   ██▄▄██ ▀█▄
 661          ██▀▀▀  ██▀▀██ ██▀██     ▀█▄ ██▀▀   ██▀██     ▀█▄
 662          ██     ██  ██ ██  ██ █████▀ ██████ ██  ██ █████▀
 663          */
 664          setupParsers : function( c, $tbodies ) {
 665              var rows, list, span, max, colIndex, indx, header, configHeaders,
 666                  noParser, parser, extractor, time, tbody, len,
 667                  table = c.table,
 668                  tbodyIndex = 0,
 669                  debug = ts.debug(c, 'core'),
 670                  debugOutput = {};
 671              // update table bodies in case we start with an empty table
 672              c.$tbodies = c.$table.children( 'tbody:not(.' + c.cssInfoBlock + ')' );
 673              tbody = typeof $tbodies === 'undefined' ? c.$tbodies : $tbodies;
 674              len = tbody.length;
 675              if ( len === 0 ) {
 676                  return debug ? console.warn( 'Warning: *Empty table!* Not building a parser cache' ) : '';
 677              } else if ( debug ) {
 678                  time = new Date();
 679                  console[ console.group ? 'group' : 'log' ]( 'Detecting parsers for each column' );
 680              }
 681              list = {
 682                  extractors: [],
 683                  parsers: []
 684              };
 685              while ( tbodyIndex < len ) {
 686                  rows = tbody[ tbodyIndex ].rows;
 687                  if ( rows.length ) {
 688                      colIndex = 0;
 689                      max = c.columns;
 690                      for ( indx = 0; indx < max; indx++ ) {
 691                          header = c.$headerIndexed[ colIndex ];
 692                          if ( header && header.length ) {
 693                              // get column indexed table cell; adding true parameter fixes #1362 but
 694                              // it would break backwards compatibility...
 695                              configHeaders = ts.getColumnData( table, c.headers, colIndex ); // , true );
 696                              // get column parser/extractor
 697                              extractor = ts.getParserById( ts.getData( header, configHeaders, 'extractor' ) );
 698                              parser = ts.getParserById( ts.getData( header, configHeaders, 'sorter' ) );
 699                              noParser = ts.getData( header, configHeaders, 'parser' ) === 'false';
 700                              // empty cells behaviour - keeping emptyToBottom for backwards compatibility
 701                              c.empties[colIndex] = (
 702                                  ts.getData( header, configHeaders, 'empty' ) ||
 703                                  c.emptyTo || ( c.emptyToBottom ? 'bottom' : 'top' ) ).toLowerCase();
 704                              // text strings behaviour in numerical sorts
 705                              c.strings[colIndex] = (
 706                                  ts.getData( header, configHeaders, 'string' ) ||
 707                                  c.stringTo ||
 708                                  'max' ).toLowerCase();
 709                              if ( noParser ) {
 710                                  parser = ts.getParserById( 'no-parser' );
 711                              }
 712                              if ( !extractor ) {
 713                                  // For now, maybe detect someday
 714                                  extractor = false;
 715                              }
 716                              if ( !parser ) {
 717                                  parser = ts.detectParserForColumn( c, rows, -1, colIndex );
 718                              }
 719                              if ( debug ) {
 720                                  debugOutput[ '(' + colIndex + ') ' + header.text() ] = {
 721                                      parser : parser.id,
 722                                      extractor : extractor ? extractor.id : 'none',
 723                                      string : c.strings[ colIndex ],
 724                                      empty  : c.empties[ colIndex ]
 725                                  };
 726                              }
 727                              list.parsers[ colIndex ] = parser;
 728                              list.extractors[ colIndex ] = extractor;
 729                              span = header[ 0 ].colSpan - 1;
 730                              if ( span > 0 ) {
 731                                  colIndex += span;
 732                                  max += span;
 733                                  while ( span + 1 > 0 ) {
 734                                      // set colspan columns to use the same parsers & extractors
 735                                      list.parsers[ colIndex - span ] = parser;
 736                                      list.extractors[ colIndex - span ] = extractor;
 737                                      span--;
 738                                  }
 739                              }
 740                          }
 741                          colIndex++;
 742                      }
 743                  }
 744                  tbodyIndex += ( list.parsers.length ) ? len : 1;
 745              }
 746              if ( debug ) {
 747                  if ( !ts.isEmptyObject( debugOutput ) ) {
 748                      console[ console.table ? 'table' : 'log' ]( debugOutput );
 749                  } else {
 750                      console.warn( '  No parsers detected!' );
 751                  }
 752                  console.log( 'Completed detecting parsers' + ts.benchmark( time ) );
 753                  if ( console.groupEnd ) { console.groupEnd(); }
 754              }
 755              c.parsers = list.parsers;
 756              c.extractors = list.extractors;
 757          },
 758  
 759          addParser : function( parser ) {
 760              var indx,
 761                  len = ts.parsers.length,
 762                  add = true;
 763              for ( indx = 0; indx < len; indx++ ) {
 764                  if ( ts.parsers[ indx ].id.toLowerCase() === parser.id.toLowerCase() ) {
 765                      add = false;
 766                  }
 767              }
 768              if ( add ) {
 769                  ts.parsers[ ts.parsers.length ] = parser;
 770              }
 771          },
 772  
 773          getParserById : function( name ) {
 774              /*jshint eqeqeq:false */ // eslint-disable-next-line eqeqeq
 775              if ( name == 'false' ) { return false; }
 776              var indx,
 777                  len = ts.parsers.length;
 778              for ( indx = 0; indx < len; indx++ ) {
 779                  if ( ts.parsers[ indx ].id.toLowerCase() === ( name.toString() ).toLowerCase() ) {
 780                      return ts.parsers[ indx ];
 781                  }
 782              }
 783              return false;
 784          },
 785  
 786          detectParserForColumn : function( c, rows, rowIndex, cellIndex ) {
 787              var cur, $node, row,
 788                  indx = ts.parsers.length,
 789                  node = false,
 790                  nodeValue = '',
 791                  debug = ts.debug(c, 'core'),
 792                  keepLooking = true;
 793              while ( nodeValue === '' && keepLooking ) {
 794                  rowIndex++;
 795                  row = rows[ rowIndex ];
 796                  // stop looking after 50 empty rows
 797                  if ( row && rowIndex < 50 ) {
 798                      if ( row.className.indexOf( ts.cssIgnoreRow ) < 0 ) {
 799                          node = rows[ rowIndex ].cells[ cellIndex ];
 800                          nodeValue = ts.getElementText( c, node, cellIndex );
 801                          $node = $( node );
 802                          if ( debug ) {
 803                              console.log( 'Checking if value was empty on row ' + rowIndex + ', column: ' +
 804                                  cellIndex + ': "' + nodeValue + '"' );
 805                          }
 806                      }
 807                  } else {
 808                      keepLooking = false;
 809                  }
 810              }
 811              while ( --indx >= 0 ) {
 812                  cur = ts.parsers[ indx ];
 813                  // ignore the default text parser because it will always be true
 814                  if ( cur && cur.id !== 'text' && cur.is && cur.is( nodeValue, c.table, node, $node ) ) {
 815                      return cur;
 816                  }
 817              }
 818              // nothing found, return the generic parser (text)
 819              return ts.getParserById( 'text' );
 820          },
 821  
 822          getElementText : function( c, node, cellIndex ) {
 823              if ( !node ) { return ''; }
 824              var tmp,
 825                  extract = c.textExtraction || '',
 826                  // node could be a jquery object
 827                  // http://jsperf.com/jquery-vs-instanceof-jquery/2
 828                  $node = node.jquery ? node : $( node );
 829              if ( typeof extract === 'string' ) {
 830                  // check data-attribute first when set to 'basic'; don't use node.innerText - it's really slow!
 831                  // http://www.kellegous.com/j/2013/02/27/innertext-vs-textcontent/
 832                  if ( extract === 'basic' && typeof ( tmp = $node.attr( c.textAttribute ) ) !== 'undefined' ) {
 833                      return $.trim( tmp );
 834                  }
 835                  return $.trim( node.textContent || $node.text() );
 836              } else {
 837                  if ( typeof extract === 'function' ) {
 838                      return $.trim( extract( $node[ 0 ], c.table, cellIndex ) );
 839                  } else if ( typeof ( tmp = ts.getColumnData( c.table, extract, cellIndex ) ) === 'function' ) {
 840                      return $.trim( tmp( $node[ 0 ], c.table, cellIndex ) );
 841                  }
 842              }
 843              // fallback
 844              return $.trim( $node[ 0 ].textContent || $node.text() );
 845          },
 846  
 847          // centralized function to extract/parse cell contents
 848          getParsedText : function( c, cell, colIndex, txt ) {
 849              if ( typeof txt === 'undefined' ) {
 850                  txt = ts.getElementText( c, cell, colIndex );
 851              }
 852              // if no parser, make sure to return the txt
 853              var val = '' + txt,
 854                  parser = c.parsers[ colIndex ],
 855                  extractor = c.extractors[ colIndex ];
 856              if ( parser ) {
 857                  // do extract before parsing, if there is one
 858                  if ( extractor && typeof extractor.format === 'function' ) {
 859                      txt = extractor.format( txt, c.table, cell, colIndex );
 860                  }
 861                  // allow parsing if the string is empty, previously parsing would change it to zero,
 862                  // in case the parser needs to extract data from the table cell attributes
 863                  val = parser.id === 'no-parser' ? '' :
 864                      // make sure txt is a string (extractor may have converted it)
 865                      parser.format( '' + txt, c.table, cell, colIndex );
 866                  if ( c.ignoreCase && typeof val === 'string' ) {
 867                      val = val.toLowerCase();
 868                  }
 869              }
 870              return val;
 871          },
 872  
 873          /*
 874          ▄████▄ ▄████▄ ▄████▄ ██  ██ ██████
 875          ██  ▀▀ ██▄▄██ ██  ▀▀ ██▄▄██ ██▄▄
 876          ██  ▄▄ ██▀▀██ ██  ▄▄ ██▀▀██ ██▀▀
 877          ▀████▀ ██  ██ ▀████▀ ██  ██ ██████
 878          */
 879          buildCache : function( c, callback, $tbodies ) {
 880              var cache, val, txt, rowIndex, colIndex, tbodyIndex, $tbody, $row,
 881                  cols, $cells, cell, cacheTime, totalRows, rowData, prevRowData,
 882                  colMax, span, cacheIndex, hasParser, max, len, index,
 883                  table = c.table,
 884                  parsers = c.parsers,
 885                  debug = ts.debug(c, 'core');
 886              // update tbody variable
 887              c.$tbodies = c.$table.children( 'tbody:not(.' + c.cssInfoBlock + ')' );
 888              $tbody = typeof $tbodies === 'undefined' ? c.$tbodies : $tbodies,
 889              c.cache = {};
 890              c.totalRows = 0;
 891              // if no parsers found, return - it's an empty table.
 892              if ( !parsers ) {
 893                  return debug ? console.warn( 'Warning: *Empty table!* Not building a cache' ) : '';
 894              }
 895              if ( debug ) {
 896                  cacheTime = new Date();
 897              }
 898              // processing icon
 899              if ( c.showProcessing ) {
 900                  ts.isProcessing( table, true );
 901              }
 902              for ( tbodyIndex = 0; tbodyIndex < $tbody.length; tbodyIndex++ ) {
 903                  colMax = []; // column max value per tbody
 904                  cache = c.cache[ tbodyIndex ] = {
 905                      normalized: [] // array of normalized row data; last entry contains 'rowData' above
 906                      // colMax: #   // added at the end
 907                  };
 908  
 909                  totalRows = ( $tbody[ tbodyIndex ] && $tbody[ tbodyIndex ].rows.length ) || 0;
 910                  for ( rowIndex = 0; rowIndex < totalRows; ++rowIndex ) {
 911                      rowData = {
 912                          // order: original row order #
 913                          // $row : jQuery Object[]
 914                          child: [], // child row text (filter widget)
 915                          raw: []    // original row text
 916                      };
 917                      /** Add the table data to main data array */
 918                      $row = $( $tbody[ tbodyIndex ].rows[ rowIndex ] );
 919                      cols = [];
 920                      // ignore "remove-me" rows
 921                      if ( $row.hasClass( c.selectorRemove.slice(1) ) ) {
 922                          continue;
 923                      }
 924                      // if this is a child row, add it to the last row's children and continue to the next row
 925                      // ignore child row class, if it is the first row
 926                      if ( $row.hasClass( c.cssChildRow ) && rowIndex !== 0 ) {
 927                          len = cache.normalized.length - 1;
 928                          prevRowData = cache.normalized[ len ][ c.columns ];
 929                          prevRowData.$row = prevRowData.$row.add( $row );
 930                          // add 'hasChild' class name to parent row
 931                          if ( !$row.prev().hasClass( c.cssChildRow ) ) {
 932                              $row.prev().addClass( ts.css.cssHasChild );
 933                          }
 934                          // save child row content (un-parsed!)
 935                          $cells = $row.children( 'th, td' );
 936                          len = prevRowData.child.length;
 937                          prevRowData.child[ len ] = [];
 938                          // child row content does not account for colspans/rowspans; so indexing may be off
 939                          cacheIndex = 0;
 940                          max = c.columns;
 941                          for ( colIndex = 0; colIndex < max; colIndex++ ) {
 942                              cell = $cells[ colIndex ];
 943                              if ( cell ) {
 944                                  prevRowData.child[ len ][ colIndex ] = ts.getParsedText( c, cell, colIndex );
 945                                  span = $cells[ colIndex ].colSpan - 1;
 946                                  if ( span > 0 ) {
 947                                      cacheIndex += span;
 948                                      max += span;
 949                                  }
 950                              }
 951                              cacheIndex++;
 952                          }
 953                          // go to the next for loop
 954                          continue;
 955                      }
 956                      rowData.$row = $row;
 957                      rowData.order = rowIndex; // add original row position to rowCache
 958                      cacheIndex = 0;
 959                      max = c.columns;
 960                      for ( colIndex = 0; colIndex < max; ++colIndex ) {
 961                          cell = $row[ 0 ].cells[ colIndex ];
 962                          if ( cell && cacheIndex < c.columns ) {
 963                              hasParser = typeof parsers[ cacheIndex ] !== 'undefined';
 964                              if ( !hasParser && debug ) {
 965                                  console.warn( 'No parser found for row: ' + rowIndex + ', column: ' + colIndex +
 966                                      '; cell containing: "' + $(cell).text() + '"; does it have a header?' );
 967                              }
 968                              val = ts.getElementText( c, cell, cacheIndex );
 969                              rowData.raw[ cacheIndex ] = val; // save original row text
 970                              // save raw column text even if there is no parser set
 971                              txt = ts.getParsedText( c, cell, cacheIndex, val );
 972                              cols[ cacheIndex ] = txt;
 973                              if ( hasParser && ( parsers[ cacheIndex ].type || '' ).toLowerCase() === 'numeric' ) {
 974                                  // determine column max value (ignore sign)
 975                                  colMax[ cacheIndex ] = Math.max( Math.abs( txt ) || 0, colMax[ cacheIndex ] || 0 );
 976                              }
 977                              // allow colSpan in tbody
 978                              span = cell.colSpan - 1;
 979                              if ( span > 0 ) {
 980                                  index = 0;
 981                                  while ( index <= span ) {
 982                                      // duplicate text (or not) to spanned columns
 983                                      // instead of setting duplicate span to empty string, use textExtraction to try to get a value
 984                                      // see http://stackoverflow.com/q/36449711/145346
 985                                      txt = c.duplicateSpan || index === 0 ?
 986                                          val :
 987                                          typeof c.textExtraction !== 'string' ?
 988                                              ts.getElementText( c, cell, cacheIndex + index ) || '' :
 989                                              '';
 990                                      rowData.raw[ cacheIndex + index ] = txt;
 991                                      cols[ cacheIndex + index ] = txt;
 992                                      index++;
 993                                  }
 994                                  cacheIndex += span;
 995                                  max += span;
 996                              }
 997                          }
 998                          cacheIndex++;
 999                      }
1000                      // ensure rowData is always in the same location (after the last column)
1001                      cols[ c.columns ] = rowData;
1002                      cache.normalized[ cache.normalized.length ] = cols;
1003                  }
1004                  cache.colMax = colMax;
1005                  // total up rows, not including child rows
1006                  c.totalRows += cache.normalized.length;
1007  
1008              }
1009              if ( c.showProcessing ) {
1010                  ts.isProcessing( table ); // remove processing icon
1011              }
1012              if ( debug ) {
1013                  len = Math.min( 5, c.cache[ 0 ].normalized.length );
1014                  console[ console.group ? 'group' : 'log' ]( 'Building cache for ' + c.totalRows +
1015                      ' rows (showing ' + len + ' rows in log) and ' + c.columns + ' columns' +
1016                      ts.benchmark( cacheTime ) );
1017                  val = {};
1018                  for ( colIndex = 0; colIndex < c.columns; colIndex++ ) {
1019                      for ( cacheIndex = 0; cacheIndex < len; cacheIndex++ ) {
1020                          if ( !val[ 'row: ' + cacheIndex ] ) {
1021                              val[ 'row: ' + cacheIndex ] = {};
1022                          }
1023                          val[ 'row: ' + cacheIndex ][ c.$headerIndexed[ colIndex ].text() ] =
1024                              c.cache[ 0 ].normalized[ cacheIndex ][ colIndex ];
1025                      }
1026                  }
1027                  console[ console.table ? 'table' : 'log' ]( val );
1028                  if ( console.groupEnd ) { console.groupEnd(); }
1029              }
1030              if ( $.isFunction( callback ) ) {
1031                  callback( table );
1032              }
1033          },
1034  
1035          getColumnText : function( table, column, callback, rowFilter ) {
1036              table = $( table )[0];
1037              var tbodyIndex, rowIndex, cache, row, tbodyLen, rowLen, raw, parsed, $cell, result,
1038                  hasCallback = typeof callback === 'function',
1039                  allColumns = column === 'all',
1040                  data = { raw : [], parsed: [], $cell: [] },
1041                  c = table.config;
1042              if ( ts.isEmptyObject( c ) ) {
1043                  if ( ts.debug(c, 'core') ) {
1044                      console.warn( 'No cache found - aborting getColumnText function!' );
1045                  }
1046              } else {
1047                  tbodyLen = c.$tbodies.length;
1048                  for ( tbodyIndex = 0; tbodyIndex < tbodyLen; tbodyIndex++ ) {
1049                      cache = c.cache[ tbodyIndex ].normalized;
1050                      rowLen = cache.length;
1051                      for ( rowIndex = 0; rowIndex < rowLen; rowIndex++ ) {
1052                          row = cache[ rowIndex ];
1053                          if ( rowFilter && !row[ c.columns ].$row.is( rowFilter ) ) {
1054                              continue;
1055                          }
1056                          result = true;
1057                          parsed = ( allColumns ) ? row.slice( 0, c.columns ) : row[ column ];
1058                          row = row[ c.columns ];
1059                          raw = ( allColumns ) ? row.raw : row.raw[ column ];
1060                          $cell = ( allColumns ) ? row.$row.children() : row.$row.children().eq( column );
1061                          if ( hasCallback ) {
1062                              result = callback({
1063                                  tbodyIndex : tbodyIndex,
1064                                  rowIndex : rowIndex,
1065                                  parsed : parsed,
1066                                  raw : raw,
1067                                  $row : row.$row,
1068                                  $cell : $cell
1069                              });
1070                          }
1071                          if ( result !== false ) {
1072                              data.parsed[ data.parsed.length ] = parsed;
1073                              data.raw[ data.raw.length ] = raw;
1074                              data.$cell[ data.$cell.length ] = $cell;
1075                          }
1076                      }
1077                  }
1078                  // return everything
1079                  return data;
1080              }
1081          },
1082  
1083          /*
1084          ██  ██ █████▄ █████▄ ▄████▄ ██████ ██████
1085          ██  ██ ██▄▄██ ██  ██ ██▄▄██   ██   ██▄▄
1086          ██  ██ ██▀▀▀  ██  ██ ██▀▀██   ██   ██▀▀
1087          ▀████▀ ██     █████▀ ██  ██   ██   ██████
1088          */
1089          setHeadersCss : function( c ) {
1090              var indx, column,
1091                  list = c.sortList,
1092                  len = list.length,
1093                  none = ts.css.sortNone + ' ' + c.cssNone,
1094                  css = [ ts.css.sortAsc + ' ' + c.cssAsc, ts.css.sortDesc + ' ' + c.cssDesc ],
1095                  cssIcon = [ c.cssIconAsc, c.cssIconDesc, c.cssIconNone ],
1096                  aria = [ 'ascending', 'descending' ],
1097                  updateColumnSort = function($el, index) {
1098                      $el
1099                          .removeClass( none )
1100                          .addClass( css[ index ] )
1101                          .attr( 'aria-sort', aria[ index ] )
1102                          .find( '.' + ts.css.icon )
1103                          .removeClass( cssIcon[ 2 ] )
1104                          .addClass( cssIcon[ index ] );
1105                  },
1106                  // find the footer
1107                  $extras = c.$table
1108                      .find( 'tfoot tr' )
1109                      .children( 'td, th' )
1110                      .add( $( c.namespace + '_extra_headers' ) )
1111                      .removeClass( css.join( ' ' ) ),
1112                  // remove all header information
1113                  $sorted = c.$headers
1114                      .add( $( 'thead ' + c.namespace + '_extra_headers' ) )
1115                      .removeClass( css.join( ' ' ) )
1116                      .addClass( none )
1117                      .attr( 'aria-sort', 'none' )
1118                      .find( '.' + ts.css.icon )
1119                      .removeClass( cssIcon.join( ' ' ) )
1120                      .end();
1121              // add css none to all sortable headers
1122              $sorted
1123                  .not( '.sorter-false' )
1124                  .find( '.' + ts.css.icon )
1125                  .addClass( cssIcon[ 2 ] );
1126              // add disabled css icon class
1127              if ( c.cssIconDisabled ) {
1128                  $sorted
1129                      .filter( '.sorter-false' )
1130                      .find( '.' + ts.css.icon )
1131                      .addClass( c.cssIconDisabled );
1132              }
1133              for ( indx = 0; indx < len; indx++ ) {
1134                  // direction = 2 means reset!
1135                  if ( list[ indx ][ 1 ] !== 2 ) {
1136                      // multicolumn sorting updating - see #1005
1137                      // .not(function() {}) needs jQuery 1.4
1138                      // filter(function(i, el) {}) <- el is undefined in jQuery v1.2.6
1139                      $sorted = c.$headers.filter( function( i ) {
1140                          // only include headers that are in the sortList (this includes colspans)
1141                          var include = true,
1142                              $el = c.$headers.eq( i ),
1143                              col = parseInt( $el.attr( 'data-column' ), 10 ),
1144                              end = col + ts.getClosest( $el, 'th, td' )[0].colSpan;
1145                          for ( ; col < end; col++ ) {
1146                              include = include ? include || ts.isValueInArray( col, c.sortList ) > -1 : false;
1147                          }
1148                          return include;
1149                      });
1150  
1151                      // choose the :last in case there are nested columns
1152                      $sorted = $sorted
1153                          .not( '.sorter-false' )
1154                          .filter( '[data-column="' + list[ indx ][ 0 ] + '"]' + ( len === 1 ? ':last' : '' ) );
1155                      if ( $sorted.length ) {
1156                          for ( column = 0; column < $sorted.length; column++ ) {
1157                              if ( !$sorted[ column ].sortDisabled ) {
1158                                  updateColumnSort( $sorted.eq( column ), list[ indx ][ 1 ] );
1159                              }
1160                          }
1161                      }
1162                      // add sorted class to footer & extra headers, if they exist
1163                      if ( $extras.length ) {
1164                          updateColumnSort( $extras.filter( '[data-column="' + list[ indx ][ 0 ] + '"]' ), list[ indx ][ 1 ] );
1165                      }
1166                  }
1167              }
1168              // add verbose aria labels
1169              len = c.$headers.length;
1170              for ( indx = 0; indx < len; indx++ ) {
1171                  ts.setColumnAriaLabel( c, c.$headers.eq( indx ) );
1172              }
1173          },
1174  
1175          getClosest : function( $el, selector ) {
1176              // jQuery v1.2.6 doesn't have closest()
1177              if ( $.fn.closest ) {
1178                  return $el.closest( selector );
1179              }
1180              return $el.is( selector ) ?
1181                  $el :
1182                  $el.parents( selector ).filter( ':first' );
1183          },
1184  
1185          // nextSort (optional), lets you disable next sort text
1186          setColumnAriaLabel : function( c, $header, nextSort ) {
1187              if ( $header.length ) {
1188                  var column = parseInt( $header.attr( 'data-column' ), 10 ),
1189                      vars = c.sortVars[ column ],
1190                      tmp = $header.hasClass( ts.css.sortAsc ) ?
1191                          'sortAsc' :
1192                          $header.hasClass( ts.css.sortDesc ) ? 'sortDesc' : 'sortNone',
1193                      txt = $.trim( $header.text() ) + ': ' + ts.language[ tmp ];
1194                  if ( $header.hasClass( 'sorter-false' ) || nextSort === false ) {
1195                      txt += ts.language.sortDisabled;
1196                  } else {
1197                      tmp = ( vars.count + 1 ) % vars.order.length;
1198                      nextSort = vars.order[ tmp ];
1199                      // if nextSort
1200                      txt += ts.language[ nextSort === 0 ? 'nextAsc' : nextSort === 1 ? 'nextDesc' : 'nextNone' ];
1201                  }
1202                  $header.attr( 'aria-label', txt );
1203                  if (vars.sortedBy) {
1204                      $header.attr( 'data-sortedBy', vars.sortedBy );
1205                  } else {
1206                      $header.removeAttr('data-sortedBy');
1207                  }
1208              }
1209          },
1210  
1211          updateHeader : function( c ) {
1212              var index, isDisabled, $header, col,
1213                  table = c.table,
1214                  len = c.$headers.length;
1215              for ( index = 0; index < len; index++ ) {
1216                  $header = c.$headers.eq( index );
1217                  col = ts.getColumnData( table, c.headers, index, true );
1218                  // add 'sorter-false' class if 'parser-false' is set
1219                  isDisabled = ts.getData( $header, col, 'sorter' ) === 'false' || ts.getData( $header, col, 'parser' ) === 'false';
1220                  ts.setColumnSort( c, $header, isDisabled );
1221              }
1222          },
1223  
1224          setColumnSort : function( c, $header, isDisabled ) {
1225              var id = c.table.id;
1226              $header[ 0 ].sortDisabled = isDisabled;
1227              $header[ isDisabled ? 'addClass' : 'removeClass' ]( 'sorter-false' )
1228                  .attr( 'aria-disabled', '' + isDisabled );
1229              // disable tab index on disabled cells
1230              if ( c.tabIndex ) {
1231                  if ( isDisabled ) {
1232                      $header.removeAttr( 'tabindex' );
1233                  } else {
1234                      $header.attr( 'tabindex', '0' );
1235                  }
1236              }
1237              // aria-controls - requires table ID
1238              if ( id ) {
1239                  if ( isDisabled ) {
1240                      $header.removeAttr( 'aria-controls' );
1241                  } else {
1242                      $header.attr( 'aria-controls', id );
1243                  }
1244              }
1245          },
1246  
1247          updateHeaderSortCount : function( c, list ) {
1248              var col, dir, group, indx, primary, temp, val, order,
1249                  sortList = list || c.sortList,
1250                  len = sortList.length;
1251              c.sortList = [];
1252              for ( indx = 0; indx < len; indx++ ) {
1253                  val = sortList[ indx ];
1254                  // ensure all sortList values are numeric - fixes #127
1255                  col = parseInt( val[ 0 ], 10 );
1256                  // prevents error if sorton array is wrong
1257                  if ( col < c.columns ) {
1258  
1259                      // set order if not already defined - due to colspan header without associated header cell
1260                      // adding this check prevents a javascript error
1261                      if ( !c.sortVars[ col ].order ) {
1262                          if ( ts.getOrder( c.sortInitialOrder ) ) {
1263                              order = c.sortReset ? [ 1, 0, 2 ] : [ 1, 0 ];
1264                          } else {
1265                              order = c.sortReset ? [ 0, 1, 2 ] : [ 0, 1 ];
1266                          }
1267                          c.sortVars[ col ].order = order;
1268                          c.sortVars[ col ].count = 0;
1269                      }
1270  
1271                      order = c.sortVars[ col ].order;
1272                      dir = ( '' + val[ 1 ] ).match( /^(1|d|s|o|n)/ );
1273                      dir = dir ? dir[ 0 ] : '';
1274                      // 0/(a)sc (default), 1/(d)esc, (s)ame, (o)pposite, (n)ext
1275                      switch ( dir ) {
1276                          case '1' : case 'd' : // descending
1277                              dir = 1;
1278                              break;
1279                          case 's' : // same direction (as primary column)
1280                              // if primary sort is set to 's', make it ascending
1281                              dir = primary || 0;
1282                              break;
1283                          case 'o' :
1284                              temp = order[ ( primary || 0 ) % order.length ];
1285                              // opposite of primary column; but resets if primary resets
1286                              dir = temp === 0 ? 1 : temp === 1 ? 0 : 2;
1287                              break;
1288                          case 'n' :
1289                              dir = order[ ( ++c.sortVars[ col ].count ) % order.length ];
1290                              break;
1291                          default : // ascending
1292                              dir = 0;
1293                              break;
1294                      }
1295                      primary = indx === 0 ? dir : primary;
1296                      group = [ col, parseInt( dir, 10 ) || 0 ];
1297                      c.sortList[ c.sortList.length ] = group;
1298                      dir = $.inArray( group[ 1 ], order ); // fixes issue #167
1299                      c.sortVars[ col ].count = dir >= 0 ? dir : group[ 1 ] % order.length;
1300                  }
1301              }
1302          },
1303  
1304          updateAll : function( c, resort, callback ) {
1305              var table = c.table;
1306              table.isUpdating = true;
1307              ts.refreshWidgets( table, true, true );
1308              ts.buildHeaders( c );
1309              ts.bindEvents( table, c.$headers, true );
1310              ts.bindMethods( c );
1311              ts.commonUpdate( c, resort, callback );
1312          },
1313  
1314          update : function( c, resort, callback ) {
1315              var table = c.table;
1316              table.isUpdating = true;
1317              // update sorting (if enabled/disabled)
1318              ts.updateHeader( c );
1319              ts.commonUpdate( c, resort, callback );
1320          },
1321  
1322          // simple header update - see #989
1323          updateHeaders : function( c, callback ) {
1324              c.table.isUpdating = true;
1325              ts.buildHeaders( c );
1326              ts.bindEvents( c.table, c.$headers, true );
1327              ts.resortComplete( c, callback );
1328          },
1329  
1330          updateCell : function( c, cell, resort, callback ) {
1331              // updateCell for child rows is a mess - we'll ignore them for now
1332              // eventually I'll break out the "update" row cache code to make everything consistent
1333              if ( $( cell ).closest( 'tr' ).hasClass( c.cssChildRow ) ) {
1334                  console.warn('Tablesorter Warning! "updateCell" for child row content has been disabled, use "update" instead');
1335                  return;
1336              }
1337              if ( ts.isEmptyObject( c.cache ) ) {
1338                  // empty table, do an update instead - fixes #1099
1339                  ts.updateHeader( c );
1340                  ts.commonUpdate( c, resort, callback );
1341                  return;
1342              }
1343              c.table.isUpdating = true;
1344              c.$table.find( c.selectorRemove ).remove();
1345              // get position from the dom
1346              var tmp, indx, row, icell, cache, len,
1347                  $tbodies = c.$tbodies,
1348                  $cell = $( cell ),
1349                  // update cache - format: function( s, table, cell, cellIndex )
1350                  // no closest in jQuery v1.2.6
1351                  tbodyIndex = $tbodies.index( ts.getClosest( $cell, 'tbody' ) ),
1352                  tbcache = c.cache[ tbodyIndex ],
1353                  $row = ts.getClosest( $cell, 'tr' );
1354              cell = $cell[ 0 ]; // in case cell is a jQuery object
1355              // tbody may not exist if update is initialized while tbody is removed for processing
1356              if ( $tbodies.length && tbodyIndex >= 0 ) {
1357                  row = $tbodies.eq( tbodyIndex ).find( 'tr' ).not( '.' + c.cssChildRow ).index( $row );
1358                  cache = tbcache.normalized[ row ];
1359                  len = $row[ 0 ].cells.length;
1360                  if ( len !== c.columns ) {
1361                      // colspan in here somewhere!
1362                      icell = 0;
1363                      tmp = false;
1364                      for ( indx = 0; indx < len; indx++ ) {
1365                          if ( !tmp && $row[ 0 ].cells[ indx ] !== cell ) {
1366                              icell += $row[ 0 ].cells[ indx ].colSpan;
1367                          } else {
1368                              tmp = true;
1369                          }
1370                      }
1371                  } else {
1372                      icell = $cell.index();
1373                  }
1374                  tmp = ts.getElementText( c, cell, icell ); // raw
1375                  cache[ c.columns ].raw[ icell ] = tmp;
1376                  tmp = ts.getParsedText( c, cell, icell, tmp );
1377                  cache[ icell ] = tmp; // parsed
1378                  if ( ( c.parsers[ icell ].type || '' ).toLowerCase() === 'numeric' ) {
1379                      // update column max value (ignore sign)
1380                      tbcache.colMax[ icell ] = Math.max( Math.abs( tmp ) || 0, tbcache.colMax[ icell ] || 0 );
1381                  }
1382                  tmp = resort !== 'undefined' ? resort : c.resort;
1383                  if ( tmp !== false ) {
1384                      // widgets will be reapplied
1385                      ts.checkResort( c, tmp, callback );
1386                  } else {
1387                      // don't reapply widgets is resort is false, just in case it causes
1388                      // problems with element focus
1389                      ts.resortComplete( c, callback );
1390                  }
1391              } else {
1392                  if ( ts.debug(c, 'core') ) {
1393                      console.error( 'updateCell aborted, tbody missing or not within the indicated table' );
1394                  }
1395                  c.table.isUpdating = false;
1396              }
1397          },
1398  
1399          addRows : function( c, $row, resort, callback ) {
1400              var txt, val, tbodyIndex, rowIndex, rows, cellIndex, len, order,
1401                  cacheIndex, rowData, cells, cell, span,
1402                  // allow passing a row string if only one non-info tbody exists in the table
1403                  valid = typeof $row === 'string' && c.$tbodies.length === 1 && /<tr/.test( $row || '' ),
1404                  table = c.table;
1405              if ( valid ) {
1406                  $row = $( $row );
1407                  c.$tbodies.append( $row );
1408              } else if (
1409                  !$row ||
1410                  // row is a jQuery object?
1411                  !( $row instanceof $ ) ||
1412                  // row contained in the table?
1413                  ( ts.getClosest( $row, 'table' )[ 0 ] !== c.table )
1414              ) {
1415                  if ( ts.debug(c, 'core') ) {
1416                      console.error( 'addRows method requires (1) a jQuery selector reference to rows that have already ' +
1417                          'been added to the table, or (2) row HTML string to be added to a table with only one tbody' );
1418                  }
1419                  return false;
1420              }
1421              table.isUpdating = true;
1422              if ( ts.isEmptyObject( c.cache ) ) {
1423                  // empty table, do an update instead - fixes #450
1424                  ts.updateHeader( c );
1425                  ts.commonUpdate( c, resort, callback );
1426              } else {
1427                  rows = $row.filter( 'tr' ).attr( 'role', 'row' ).length;
1428                  tbodyIndex = c.$tbodies.index( $row.parents( 'tbody' ).filter( ':first' ) );
1429                  // fixes adding rows to an empty table - see issue #179
1430                  if ( !( c.parsers && c.parsers.length ) ) {
1431                      ts.setupParsers( c );
1432                  }
1433                  // add each row
1434                  for ( rowIndex = 0; rowIndex < rows; rowIndex++ ) {
1435                      cacheIndex = 0;
1436                      len = $row[ rowIndex ].cells.length;
1437                      order = c.cache[ tbodyIndex ].normalized.length;
1438                      cells = [];
1439                      rowData = {
1440                          child : [],
1441                          raw : [],
1442                          $row : $row.eq( rowIndex ),
1443                          order : order
1444                      };
1445                      // add each cell
1446                      for ( cellIndex = 0; cellIndex < len; cellIndex++ ) {
1447                          cell = $row[ rowIndex ].cells[ cellIndex ];
1448                          txt = ts.getElementText( c, cell, cacheIndex );
1449                          rowData.raw[ cacheIndex ] = txt;
1450                          val = ts.getParsedText( c, cell, cacheIndex, txt );
1451                          cells[ cacheIndex ] = val;
1452                          if ( ( c.parsers[ cacheIndex ].type || '' ).toLowerCase() === 'numeric' ) {
1453                              // update column max value (ignore sign)
1454                              c.cache[ tbodyIndex ].colMax[ cacheIndex ] =
1455                                  Math.max( Math.abs( val ) || 0, c.cache[ tbodyIndex ].colMax[ cacheIndex ] || 0 );
1456                          }
1457                          span = cell.colSpan - 1;
1458                          if ( span > 0 ) {
1459                              cacheIndex += span;
1460                          }
1461                          cacheIndex++;
1462                      }
1463                      // add the row data to the end
1464                      cells[ c.columns ] = rowData;
1465                      // update cache
1466                      c.cache[ tbodyIndex ].normalized[ order ] = cells;
1467                  }
1468                  // resort using current settings
1469                  ts.checkResort( c, resort, callback );
1470              }
1471          },
1472  
1473          updateCache : function( c, callback, $tbodies ) {
1474              // rebuild parsers
1475              if ( !( c.parsers && c.parsers.length ) ) {
1476                  ts.setupParsers( c, $tbodies );
1477              }
1478              // rebuild the cache map
1479              ts.buildCache( c, callback, $tbodies );
1480          },
1481  
1482          // init flag (true) used by pager plugin to prevent widget application
1483          // renamed from appendToTable
1484          appendCache : function( c, init ) {
1485              var parsed, totalRows, $tbody, $curTbody, rowIndex, tbodyIndex, appendTime,
1486                  table = c.table,
1487                  $tbodies = c.$tbodies,
1488                  rows = [],
1489                  cache = c.cache;
1490              // empty table - fixes #206/#346
1491              if ( ts.isEmptyObject( cache ) ) {
1492                  // run pager appender in case the table was just emptied
1493                  return c.appender ? c.appender( table, rows ) :
1494                      table.isUpdating ? c.$table.triggerHandler( 'updateComplete', table ) : ''; // Fixes #532
1495              }
1496              if ( ts.debug(c, 'core') ) {
1497                  appendTime = new Date();
1498              }
1499              for ( tbodyIndex = 0; tbodyIndex < $tbodies.length; tbodyIndex++ ) {
1500                  $tbody = $tbodies.eq( tbodyIndex );
1501                  if ( $tbody.length ) {
1502                      // detach tbody for manipulation
1503                      $curTbody = ts.processTbody( table, $tbody, true );
1504                      parsed = cache[ tbodyIndex ].normalized;
1505                      totalRows = parsed.length;
1506                      for ( rowIndex = 0; rowIndex < totalRows; rowIndex++ ) {
1507                          rows[rows.length] = parsed[ rowIndex ][ c.columns ].$row;
1508                          // removeRows used by the pager plugin; don't render if using ajax - fixes #411
1509                          if ( !c.appender || ( c.pager && !c.pager.removeRows && !c.pager.ajax ) ) {
1510                              $curTbody.append( parsed[ rowIndex ][ c.columns ].$row );
1511                          }
1512                      }
1513                      // restore tbody
1514                      ts.processTbody( table, $curTbody, false );
1515                  }
1516              }
1517              if ( c.appender ) {
1518                  c.appender( table, rows );
1519              }
1520              if ( ts.debug(c, 'core') ) {
1521                  console.log( 'Rebuilt table' + ts.benchmark( appendTime ) );
1522              }
1523              // apply table widgets; but not before ajax completes
1524              if ( !init && !c.appender ) {
1525                  ts.applyWidget( table );
1526              }
1527              if ( table.isUpdating ) {
1528                  c.$table.triggerHandler( 'updateComplete', table );
1529              }
1530          },
1531  
1532          commonUpdate : function( c, resort, callback ) {
1533              // remove rows/elements before update
1534              c.$table.find( c.selectorRemove ).remove();
1535              // rebuild parsers
1536              ts.setupParsers( c );
1537              // rebuild the cache map
1538              ts.buildCache( c );
1539              ts.checkResort( c, resort, callback );
1540          },
1541  
1542          /*
1543          ▄█████ ▄████▄ █████▄ ██████ ██ █████▄ ▄████▄
1544          ▀█▄    ██  ██ ██▄▄██   ██   ██ ██  ██ ██ ▄▄▄
1545             ▀█▄ ██  ██ ██▀██    ██   ██ ██  ██ ██ ▀██
1546          █████▀ ▀████▀ ██  ██   ██   ██ ██  ██ ▀████▀
1547          */
1548          initSort : function( c, cell, event ) {
1549              if ( c.table.isUpdating ) {
1550                  // let any updates complete before initializing a sort
1551                  return setTimeout( function() {
1552                      ts.initSort( c, cell, event );
1553                  }, 50 );
1554              }
1555  
1556              var arry, indx, headerIndx, dir, temp, tmp, $header,
1557                  notMultiSort = !event[ c.sortMultiSortKey ],
1558                  table = c.table,
1559                  len = c.$headers.length,
1560                  th = ts.getClosest( $( cell ), 'th, td' ),
1561                  col = parseInt( th.attr( 'data-column' ), 10 ),
1562                  sortedBy = event.type === 'mouseup' ? 'user' : event.type,
1563                  order = c.sortVars[ col ].order;
1564              th = th[0];
1565              // Only call sortStart if sorting is enabled
1566              c.$table.triggerHandler( 'sortStart', table );
1567              // get current column sort order
1568              tmp = ( c.sortVars[ col ].count + 1 ) % order.length;
1569              c.sortVars[ col ].count = event[ c.sortResetKey ] ? 2 : tmp;
1570              // reset all sorts on non-current column - issue #30
1571              if ( c.sortRestart ) {
1572                  for ( headerIndx = 0; headerIndx < len; headerIndx++ ) {
1573                      $header = c.$headers.eq( headerIndx );
1574                      tmp = parseInt( $header.attr( 'data-column' ), 10 );
1575                      // only reset counts on columns that weren't just clicked on and if not included in a multisort
1576                      if ( col !== tmp && ( notMultiSort || $header.hasClass( ts.css.sortNone ) ) ) {
1577                          c.sortVars[ tmp ].count = -1;
1578                      }
1579                  }
1580              }
1581              // user only wants to sort on one column
1582              if ( notMultiSort ) {
1583                  $.each( c.sortVars, function( i ) {
1584                      c.sortVars[ i ].sortedBy = '';
1585                  });
1586                  // flush the sort list
1587                  c.sortList = [];
1588                  c.last.sortList = [];
1589                  if ( c.sortForce !== null ) {
1590                      arry = c.sortForce;
1591                      for ( indx = 0; indx < arry.length; indx++ ) {
1592                          if ( arry[ indx ][ 0 ] !== col ) {
1593                              c.sortList[ c.sortList.length ] = arry[ indx ];
1594                              c.sortVars[ arry[ indx ][ 0 ] ].sortedBy = 'sortForce';
1595                          }
1596                      }
1597                  }
1598                  // add column to sort list
1599                  dir = order[ c.sortVars[ col ].count ];
1600                  if ( dir < 2 ) {
1601                      c.sortList[ c.sortList.length ] = [ col, dir ];
1602                      c.sortVars[ col ].sortedBy = sortedBy;
1603                      // add other columns if header spans across multiple
1604                      if ( th.colSpan > 1 ) {
1605                          for ( indx = 1; indx < th.colSpan; indx++ ) {
1606                              c.sortList[ c.sortList.length ] = [ col + indx, dir ];
1607                              // update count on columns in colSpan
1608                              c.sortVars[ col + indx ].count = $.inArray( dir, order );
1609                              c.sortVars[ col + indx ].sortedBy = sortedBy;
1610                          }
1611                      }
1612                  }
1613                  // multi column sorting
1614              } else {
1615                  // get rid of the sortAppend before adding more - fixes issue #115 & #523
1616                  c.sortList = $.extend( [], c.last.sortList );
1617  
1618                  // the user has clicked on an already sorted column
1619                  if ( ts.isValueInArray( col, c.sortList ) >= 0 ) {
1620                      // reverse the sorting direction
1621                      c.sortVars[ col ].sortedBy = sortedBy;
1622                      for ( indx = 0; indx < c.sortList.length; indx++ ) {
1623                          tmp = c.sortList[ indx ];
1624                          if ( tmp[ 0 ] === col ) {
1625                              // order.count seems to be incorrect when compared to cell.count
1626                              tmp[ 1 ] = order[ c.sortVars[ col ].count ];
1627                              if ( tmp[1] === 2 ) {
1628                                  c.sortList.splice( indx, 1 );
1629                                  c.sortVars[ col ].count = -1;
1630                              }
1631                          }
1632                      }
1633                  } else {
1634                      // add column to sort list array
1635                      dir = order[ c.sortVars[ col ].count ];
1636                      c.sortVars[ col ].sortedBy = sortedBy;
1637                      if ( dir < 2 ) {
1638                          c.sortList[ c.sortList.length ] = [ col, dir ];
1639                          // add other columns if header spans across multiple
1640                          if ( th.colSpan > 1 ) {
1641                              for ( indx = 1; indx < th.colSpan; indx++ ) {
1642                                  c.sortList[ c.sortList.length ] = [ col + indx, dir ];
1643                                  // update count on columns in colSpan
1644                                  c.sortVars[ col + indx ].count = $.inArray( dir, order );
1645                                  c.sortVars[ col + indx ].sortedBy = sortedBy;
1646                              }
1647                          }
1648                      }
1649                  }
1650              }
1651              // save sort before applying sortAppend
1652              c.last.sortList = $.extend( [], c.sortList );
1653              if ( c.sortList.length && c.sortAppend ) {
1654                  arry = $.isArray( c.sortAppend ) ? c.sortAppend : c.sortAppend[ c.sortList[ 0 ][ 0 ] ];
1655                  if ( !ts.isEmptyObject( arry ) ) {
1656                      for ( indx = 0; indx < arry.length; indx++ ) {
1657                          if ( arry[ indx ][ 0 ] !== col && ts.isValueInArray( arry[ indx ][ 0 ], c.sortList ) < 0 ) {
1658                              dir = arry[ indx ][ 1 ];
1659                              temp = ( '' + dir ).match( /^(a|d|s|o|n)/ );
1660                              if ( temp ) {
1661                                  tmp = c.sortList[ 0 ][ 1 ];
1662                                  switch ( temp[ 0 ] ) {
1663                                      case 'd' :
1664                                          dir = 1;
1665                                          break;
1666                                      case 's' :
1667                                          dir = tmp;
1668                                          break;
1669                                      case 'o' :
1670                                          dir = tmp === 0 ? 1 : 0;
1671                                          break;
1672                                      case 'n' :
1673                                          dir = ( tmp + 1 ) % order.length;
1674                                          break;
1675                                      default:
1676                                          dir = 0;
1677                                          break;
1678                                  }
1679                              }
1680                              c.sortList[ c.sortList.length ] = [ arry[ indx ][ 0 ], dir ];
1681                              c.sortVars[ arry[ indx ][ 0 ] ].sortedBy = 'sortAppend';
1682                          }
1683                      }
1684                  }
1685              }
1686              // sortBegin event triggered immediately before the sort
1687              c.$table.triggerHandler( 'sortBegin', table );
1688              // setTimeout needed so the processing icon shows up
1689              setTimeout( function() {
1690                  // set css for headers
1691                  ts.setHeadersCss( c );
1692                  ts.multisort( c );
1693                  ts.appendCache( c );
1694                  c.$table.triggerHandler( 'sortBeforeEnd', table );
1695                  c.$table.triggerHandler( 'sortEnd', table );
1696              }, 1 );
1697          },
1698  
1699          // sort multiple columns
1700          multisort : function( c ) { /*jshint loopfunc:true */
1701              var tbodyIndex, sortTime, colMax, rows, tmp,
1702                  table = c.table,
1703                  sorter = [],
1704                  dir = 0,
1705                  textSorter = c.textSorter || '',
1706                  sortList = c.sortList,
1707                  sortLen = sortList.length,
1708                  len = c.$tbodies.length;
1709              if ( c.serverSideSorting || ts.isEmptyObject( c.cache ) ) {
1710                  // empty table - fixes #206/#346
1711                  return;
1712              }
1713              if ( ts.debug(c, 'core') ) { sortTime = new Date(); }
1714              // cache textSorter to optimize speed
1715              if ( typeof textSorter === 'object' ) {
1716                  colMax = c.columns;
1717                  while ( colMax-- ) {
1718                      tmp = ts.getColumnData( table, textSorter, colMax );
1719                      if ( typeof tmp === 'function' ) {
1720                          sorter[ colMax ] = tmp;
1721                      }
1722                  }
1723              }
1724              for ( tbodyIndex = 0; tbodyIndex < len; tbodyIndex++ ) {
1725                  colMax = c.cache[ tbodyIndex ].colMax;
1726                  rows = c.cache[ tbodyIndex ].normalized;
1727  
1728                  rows.sort( function( a, b ) {
1729                      var sortIndex, num, col, order, sort, x, y;
1730                      // rows is undefined here in IE, so don't use it!
1731                      for ( sortIndex = 0; sortIndex < sortLen; sortIndex++ ) {
1732                          col = sortList[ sortIndex ][ 0 ];
1733                          order = sortList[ sortIndex ][ 1 ];
1734                          // sort direction, true = asc, false = desc
1735                          dir = order === 0;
1736  
1737                          if ( c.sortStable && a[ col ] === b[ col ] && sortLen === 1 ) {
1738                              return a[ c.columns ].order - b[ c.columns ].order;
1739                          }
1740  
1741                          // fallback to natural sort since it is more robust
1742                          num = /n/i.test( ts.getSortType( c.parsers, col ) );
1743                          if ( num && c.strings[ col ] ) {
1744                              // sort strings in numerical columns
1745                              if ( typeof ( ts.string[ c.strings[ col ] ] ) === 'boolean' ) {
1746                                  num = ( dir ? 1 : -1 ) * ( ts.string[ c.strings[ col ] ] ? -1 : 1 );
1747                              } else {
1748                                  num = ( c.strings[ col ] ) ? ts.string[ c.strings[ col ] ] || 0 : 0;
1749                              }
1750                              // fall back to built-in numeric sort
1751                              // var sort = $.tablesorter['sort' + s]( a[col], b[col], dir, colMax[col], table );
1752                              sort = c.numberSorter ? c.numberSorter( a[ col ], b[ col ], dir, colMax[ col ], table ) :
1753                                  ts[ 'sortNumeric' + ( dir ? 'Asc' : 'Desc' ) ]( a[ col ], b[ col ], num, colMax[ col ], col, c );
1754                          } else {
1755                              // set a & b depending on sort direction
1756                              x = dir ? a : b;
1757                              y = dir ? b : a;
1758                              // text sort function
1759                              if ( typeof textSorter === 'function' ) {
1760                                  // custom OVERALL text sorter
1761                                  sort = textSorter( x[ col ], y[ col ], dir, col, table );
1762                              } else if ( typeof sorter[ col ] === 'function' ) {
1763                                  // custom text sorter for a SPECIFIC COLUMN
1764                                  sort = sorter[ col ]( x[ col ], y[ col ], dir, col, table );
1765                              } else {
1766                                  // fall back to natural sort
1767                                  sort = ts[ 'sortNatural' + ( dir ? 'Asc' : 'Desc' ) ]( a[ col ] || '', b[ col ] || '', col, c );
1768                              }
1769                          }
1770                          if ( sort ) { return sort; }
1771                      }
1772                      return a[ c.columns ].order - b[ c.columns ].order;
1773                  });
1774              }
1775              if ( ts.debug(c, 'core') ) {
1776                  console.log( 'Applying sort ' + sortList.toString() + ts.benchmark( sortTime ) );
1777              }
1778          },
1779  
1780          resortComplete : function( c, callback ) {
1781              if ( c.table.isUpdating ) {
1782                  c.$table.triggerHandler( 'updateComplete', c.table );
1783              }
1784              if ( $.isFunction( callback ) ) {
1785                  callback( c.table );
1786              }
1787          },
1788  
1789          checkResort : function( c, resort, callback ) {
1790              var sortList = $.isArray( resort ) ? resort : c.sortList,
1791                  // if no resort parameter is passed, fallback to config.resort (true by default)
1792                  resrt = typeof resort === 'undefined' ? c.resort : resort;
1793              // don't try to resort if the table is still processing
1794              // this will catch spamming of the updateCell method
1795              if ( resrt !== false && !c.serverSideSorting && !c.table.isProcessing ) {
1796                  if ( sortList.length ) {
1797                      ts.sortOn( c, sortList, function() {
1798                          ts.resortComplete( c, callback );
1799                      }, true );
1800                  } else {
1801                      ts.sortReset( c, function() {
1802                          ts.resortComplete( c, callback );
1803                          ts.applyWidget( c.table, false );
1804                      } );
1805                  }
1806              } else {
1807                  ts.resortComplete( c, callback );
1808                  ts.applyWidget( c.table, false );
1809              }
1810          },
1811  
1812          sortOn : function( c, list, callback, init ) {
1813              var indx,
1814                  table = c.table;
1815              c.$table.triggerHandler( 'sortStart', table );
1816              for (indx = 0; indx < c.columns; indx++) {
1817                  c.sortVars[ indx ].sortedBy = ts.isValueInArray( indx, list ) > -1 ? 'sorton' : '';
1818              }
1819              // update header count index
1820              ts.updateHeaderSortCount( c, list );
1821              // set css for headers
1822              ts.setHeadersCss( c );
1823              // fixes #346
1824              if ( c.delayInit && ts.isEmptyObject( c.cache ) ) {
1825                  ts.buildCache( c );
1826              }
1827              c.$table.triggerHandler( 'sortBegin', table );
1828              // sort the table and append it to the dom
1829              ts.multisort( c );
1830              ts.appendCache( c, init );
1831              c.$table.triggerHandler( 'sortBeforeEnd', table );
1832              c.$table.triggerHandler( 'sortEnd', table );
1833              ts.applyWidget( table );
1834              if ( $.isFunction( callback ) ) {
1835                  callback( table );
1836              }
1837          },
1838  
1839          sortReset : function( c, callback ) {
1840              c.sortList = [];
1841              var indx;
1842              for (indx = 0; indx < c.columns; indx++) {
1843                  c.sortVars[ indx ].count = -1;
1844                  c.sortVars[ indx ].sortedBy = '';
1845              }
1846              ts.setHeadersCss( c );
1847              ts.multisort( c );
1848              ts.appendCache( c );
1849              if ( $.isFunction( callback ) ) {
1850                  callback( c.table );
1851              }
1852          },
1853  
1854          getSortType : function( parsers, column ) {
1855              return ( parsers && parsers[ column ] ) ? parsers[ column ].type || '' : '';
1856          },
1857  
1858          getOrder : function( val ) {
1859              // look for 'd' in 'desc' order; return true
1860              return ( /^d/i.test( val ) || val === 1 );
1861          },
1862  
1863          // Natural sort - https://github.com/overset/javascript-natural-sort (date sorting removed)
1864          sortNatural : function( a, b ) {
1865              if ( a === b ) { return 0; }
1866              a = ( a || '' ).toString();
1867              b = ( b || '' ).toString();
1868              var aNum, bNum, aFloat, bFloat, indx, max,
1869                  regex = ts.regex;
1870              // first try and sort Hex codes
1871              if ( regex.hex.test( b ) ) {
1872                  aNum = parseInt( a.match( regex.hex ), 16 );
1873                  bNum = parseInt( b.match( regex.hex ), 16 );
1874                  if ( aNum < bNum ) { return -1; }
1875                  if ( aNum > bNum ) { return 1; }
1876              }
1877              // chunk/tokenize
1878              aNum = a.replace( regex.chunk, '\\0$1\\0' ).replace( regex.chunks, '' ).split( '\\0' );
1879              bNum = b.replace( regex.chunk, '\\0$1\\0' ).replace( regex.chunks, '' ).split( '\\0' );
1880              max = Math.max( aNum.length, bNum.length );
1881              // natural sorting through split numeric strings and default strings
1882              for ( indx = 0; indx < max; indx++ ) {
1883                  // find floats not starting with '0', string or 0 if not defined
1884                  aFloat = isNaN( aNum[ indx ] ) ? aNum[ indx ] || 0 : parseFloat( aNum[ indx ] ) || 0;
1885                  bFloat = isNaN( bNum[ indx ] ) ? bNum[ indx ] || 0 : parseFloat( bNum[ indx ] ) || 0;
1886                  // handle numeric vs string comparison - number < string - (Kyle Adams)
1887                  if ( isNaN( aFloat ) !== isNaN( bFloat ) ) { return isNaN( aFloat ) ? 1 : -1; }
1888                  // rely on string comparison if different types - i.e. '02' < 2 != '02' < '2'
1889                  if ( typeof aFloat !== typeof bFloat ) {
1890                      aFloat += '';
1891                      bFloat += '';
1892                  }
1893                  if ( aFloat < bFloat ) { return -1; }
1894                  if ( aFloat > bFloat ) { return 1; }
1895              }
1896              return 0;
1897          },
1898  
1899          sortNaturalAsc : function( a, b, col, c ) {
1900              if ( a === b ) { return 0; }
1901              var empty = ts.string[ ( c.empties[ col ] || c.emptyTo ) ];
1902              if ( a === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? -1 : 1 ) : -empty || -1; }
1903              if ( b === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? 1 : -1 ) : empty || 1; }
1904              return ts.sortNatural( a, b );
1905          },
1906  
1907          sortNaturalDesc : function( a, b, col, c ) {
1908              if ( a === b ) { return 0; }
1909              var empty = ts.string[ ( c.empties[ col ] || c.emptyTo ) ];
1910              if ( a === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? -1 : 1 ) : empty || 1; }
1911              if ( b === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? 1 : -1 ) : -empty || -1; }
1912              return ts.sortNatural( b, a );
1913          },
1914  
1915          // basic alphabetical sort
1916          sortText : function( a, b ) {
1917              return a > b ? 1 : ( a < b ? -1 : 0 );
1918          },
1919  
1920          // return text string value by adding up ascii value
1921          // so the text is somewhat sorted when using a digital sort
1922          // this is NOT an alphanumeric sort
1923          getTextValue : function( val, num, max ) {
1924              if ( max ) {
1925                  // make sure the text value is greater than the max numerical value (max)
1926                  var indx,
1927                      len = val ? val.length : 0,
1928                      n = max + num;
1929                  for ( indx = 0; indx < len; indx++ ) {
1930                      n += val.charCodeAt( indx );
1931                  }
1932                  return num * n;
1933              }
1934              return 0;
1935          },
1936  
1937          sortNumericAsc : function( a, b, num, max, col, c ) {
1938              if ( a === b ) { return 0; }
1939              var empty = ts.string[ ( c.empties[ col ] || c.emptyTo ) ];
1940              if ( a === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? -1 : 1 ) : -empty || -1; }
1941              if ( b === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? 1 : -1 ) : empty || 1; }
1942              if ( isNaN( a ) ) { a = ts.getTextValue( a, num, max ); }
1943              if ( isNaN( b ) ) { b = ts.getTextValue( b, num, max ); }
1944              return a - b;
1945          },
1946  
1947          sortNumericDesc : function( a, b, num, max, col, c ) {
1948              if ( a === b ) { return 0; }
1949              var empty = ts.string[ ( c.empties[ col ] || c.emptyTo ) ];
1950              if ( a === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? -1 : 1 ) : empty || 1; }
1951              if ( b === '' && empty !== 0 ) { return typeof empty === 'boolean' ? ( empty ? 1 : -1 ) : -empty || -1; }
1952              if ( isNaN( a ) ) { a = ts.getTextValue( a, num, max ); }
1953              if ( isNaN( b ) ) { b = ts.getTextValue( b, num, max ); }
1954              return b - a;
1955          },
1956  
1957          sortNumeric : function( a, b ) {
1958              return a - b;
1959          },
1960  
1961          /*
1962          ██ ██ ██ ██ █████▄ ▄████▄ ██████ ██████ ▄█████
1963          ██ ██ ██ ██ ██  ██ ██ ▄▄▄ ██▄▄     ██   ▀█▄
1964          ██ ██ ██ ██ ██  ██ ██ ▀██ ██▀▀     ██      ▀█▄
1965          ███████▀ ██ █████▀ ▀████▀ ██████   ██   █████▀
1966          */
1967          addWidget : function( widget ) {
1968              if ( widget.id && !ts.isEmptyObject( ts.getWidgetById( widget.id ) ) ) {
1969                  console.warn( '"' + widget.id + '" widget was loaded more than once!' );
1970              }
1971              ts.widgets[ ts.widgets.length ] = widget;
1972          },
1973  
1974          hasWidget : function( $table, name ) {
1975              $table = $( $table );
1976              return $table.length && $table[ 0 ].config && $table[ 0 ].config.widgetInit[ name ] || false;
1977          },
1978  
1979          getWidgetById : function( name ) {
1980              var indx, widget,
1981                  len = ts.widgets.length;
1982              for ( indx = 0; indx < len; indx++ ) {
1983                  widget = ts.widgets[ indx ];
1984                  if ( widget && widget.id && widget.id.toLowerCase() === name.toLowerCase() ) {
1985                      return widget;
1986                  }
1987              }
1988          },
1989  
1990          applyWidgetOptions : function( table ) {
1991              var indx, widget, wo,
1992                  c = table.config,
1993                  len = c.widgets.length;
1994              if ( len ) {
1995                  for ( indx = 0; indx < len; indx++ ) {
1996                      widget = ts.getWidgetById( c.widgets[ indx ] );
1997                      if ( widget && widget.options ) {
1998                          wo = $.extend( true, {}, widget.options );
1999                          c.widgetOptions = $.extend( true, wo, c.widgetOptions );
2000                          // add widgetOptions to defaults for option validator
2001                          $.extend( true, ts.defaults.widgetOptions, widget.options );
2002                      }
2003                  }
2004              }
2005          },
2006  
2007          addWidgetFromClass : function( table ) {
2008              var len, indx,
2009                  c = table.config,
2010                  // look for widgets to apply from table class
2011                  // don't match from 'ui-widget-content'; use \S instead of \w to include widgets
2012                  // with dashes in the name, e.g. "widget-test-2" extracts out "test-2"
2013                  regex = '^' + c.widgetClass.replace( ts.regex.templateName, '(\\S+)+' ) + '$',
2014                  widgetClass = new RegExp( regex, 'g' ),
2015                  // split up table class (widget id's can include dashes) - stop using match
2016                  // otherwise only one widget gets extracted, see #1109
2017                  widgets = ( table.className || '' ).split( ts.regex.spaces );
2018              if ( widgets.length ) {
2019                  len = widgets.length;
2020                  for ( indx = 0; indx < len; indx++ ) {
2021                      if ( widgets[ indx ].match( widgetClass ) ) {
2022                          c.widgets[ c.widgets.length ] = widgets[ indx ].replace( widgetClass, '$1' );
2023                      }
2024                  }
2025              }
2026          },
2027  
2028          applyWidgetId : function( table, id, init ) {
2029              table = $(table)[0];
2030              var applied, time, name,
2031                  c = table.config,
2032                  wo = c.widgetOptions,
2033                  debug = ts.debug(c, 'core'),
2034                  widget = ts.getWidgetById( id );
2035              if ( widget ) {
2036                  name = widget.id;
2037                  applied = false;
2038                  // add widget name to option list so it gets reapplied after sorting, filtering, etc
2039                  if ( $.inArray( name, c.widgets ) < 0 ) {
2040                      c.widgets[ c.widgets.length ] = name;
2041                  }
2042                  if ( debug ) { time = new Date(); }
2043  
2044                  if ( init || !( c.widgetInit[ name ] ) ) {
2045                      // set init flag first to prevent calling init more than once (e.g. pager)
2046                      c.widgetInit[ name ] = true;
2047                      if ( table.hasInitialized ) {
2048                          // don't reapply widget options on tablesorter init
2049                          ts.applyWidgetOptions( table );
2050                      }
2051                      if ( typeof widget.init === 'function' ) {
2052                          applied = true;
2053                          if ( debug ) {
2054                              console[ console.group ? 'group' : 'log' ]( 'Initializing ' + name + ' widget' );
2055                          }
2056                          widget.init( table, widget, c, wo );
2057                      }
2058                  }
2059                  if ( !init && typeof widget.format === 'function' ) {
2060                      applied = true;
2061                      if ( debug ) {
2062                          console[ console.group ? 'group' : 'log' ]( 'Updating ' + name + ' widget' );
2063                      }
2064                      widget.format( table, c, wo, false );
2065                  }
2066                  if ( debug ) {
2067                      if ( applied ) {
2068                          console.log( 'Completed ' + ( init ? 'initializing ' : 'applying ' ) + name + ' widget' + ts.benchmark( time ) );
2069                          if ( console.groupEnd ) { console.groupEnd(); }
2070                      }
2071                  }
2072              }
2073          },
2074  
2075          applyWidget : function( table, init, callback ) {
2076              table = $( table )[ 0 ]; // in case this is called externally
2077              var indx, len, names, widget, time,
2078                  c = table.config,
2079                  debug = ts.debug(c, 'core'),
2080                  widgets = [];
2081              // prevent numerous consecutive widget applications
2082              if ( init !== false && table.hasInitialized && ( table.isApplyingWidgets || table.isUpdating ) ) {
2083                  return;
2084              }
2085              if ( debug ) { time = new Date(); }
2086              ts.addWidgetFromClass( table );
2087              // prevent "tablesorter-ready" from firing multiple times in a row
2088              clearTimeout( c.timerReady );
2089              if ( c.widgets.length ) {
2090                  table.isApplyingWidgets = true;
2091                  // ensure unique widget ids
2092                  c.widgets = $.grep( c.widgets, function( val, index ) {
2093                      return $.inArray( val, c.widgets ) === index;
2094                  });
2095                  names = c.widgets || [];
2096                  len = names.length;
2097                  // build widget array & add priority as needed
2098                  for ( indx = 0; indx < len; indx++ ) {
2099                      widget = ts.getWidgetById( names[ indx ] );
2100                      if ( widget && widget.id ) {
2101                          // set priority to 10 if not defined
2102                          if ( !widget.priority ) { widget.priority = 10; }
2103                          widgets[ indx ] = widget;
2104                      } else if ( debug ) {
2105                          console.warn( '"' + names[ indx ] + '" was enabled, but the widget code has not been loaded!' );
2106                      }
2107                  }
2108                  // sort widgets by priority
2109                  widgets.sort( function( a, b ) {
2110                      return a.priority < b.priority ? -1 : a.priority === b.priority ? 0 : 1;
2111                  });
2112                  // add/update selected widgets
2113                  len = widgets.length;
2114                  if ( debug ) {
2115                      console[ console.group ? 'group' : 'log' ]( 'Start ' + ( init ? 'initializing' : 'applying' ) + ' widgets' );
2116                  }
2117                  for ( indx = 0; indx < len; indx++ ) {
2118                      widget = widgets[ indx ];
2119                      if ( widget && widget.id ) {
2120                          ts.applyWidgetId( table, widget.id, init );
2121                      }
2122                  }
2123                  if ( debug && console.groupEnd ) { console.groupEnd(); }
2124              }
2125              c.timerReady = setTimeout( function() {
2126                  table.isApplyingWidgets = false;
2127                  $.data( table, 'lastWidgetApplication', new Date() );
2128                  c.$table.triggerHandler( 'tablesorter-ready' );
2129                  // callback executed on init only
2130                  if ( !init && typeof callback === 'function' ) {
2131                      callback( table );
2132                  }
2133                  if ( debug ) {
2134                      widget = c.widgets.length;
2135                      console.log( 'Completed ' +
2136                          ( init === true ? 'initializing ' : 'applying ' ) + widget +
2137                          ' widget' + ( widget !== 1 ? 's' : '' ) + ts.benchmark( time ) );
2138                  }
2139              }, 10 );
2140          },
2141  
2142          removeWidget : function( table, name, refreshing ) {
2143              table = $( table )[ 0 ];
2144              var index, widget, indx, len,
2145                  c = table.config;
2146              // if name === true, add all widgets from $.tablesorter.widgets
2147              if ( name === true ) {
2148                  name = [];
2149                  len = ts.widgets.length;
2150                  for ( indx = 0; indx < len; indx++ ) {
2151                      widget = ts.widgets[ indx ];
2152                      if ( widget && widget.id ) {
2153                          name[ name.length ] = widget.id;
2154                      }
2155                  }
2156              } else {
2157                  // name can be either an array of widgets names,
2158                  // or a space/comma separated list of widget names
2159                  name = ( $.isArray( name ) ? name.join( ',' ) : name || '' ).toLowerCase().split( /[\s,]+/ );
2160              }
2161              len = name.length;
2162              for ( index = 0; index < len; index++ ) {
2163                  widget = ts.getWidgetById( name[ index ] );
2164                  indx = $.inArray( name[ index ], c.widgets );
2165                  // don't remove the widget from config.widget if refreshing
2166                  if ( indx >= 0 && refreshing !== true ) {
2167                      c.widgets.splice( indx, 1 );
2168                  }
2169                  if ( widget && widget.remove ) {
2170                      if ( ts.debug(c, 'core') ) {
2171                          console.log( ( refreshing ? 'Refreshing' : 'Removing' ) + ' "' + name[ index ] + '" widget' );
2172                      }
2173                      widget.remove( table, c, c.widgetOptions, refreshing );
2174                      c.widgetInit[ name[ index ] ] = false;
2175                  }
2176              }
2177              c.$table.triggerHandler( 'widgetRemoveEnd', table );
2178          },
2179  
2180          refreshWidgets : function( table, doAll, dontapply ) {
2181              table = $( table )[ 0 ]; // see issue #243
2182              var indx, widget,
2183                  c = table.config,
2184                  curWidgets = c.widgets,
2185                  widgets = ts.widgets,
2186                  len = widgets.length,
2187                  list = [],
2188                  callback = function( table ) {
2189                      $( table ).triggerHandler( 'refreshComplete' );
2190                  };
2191              // remove widgets not defined in config.widgets, unless doAll is true
2192              for ( indx = 0; indx < len; indx++ ) {
2193                  widget = widgets[ indx ];
2194                  if ( widget && widget.id && ( doAll || $.inArray( widget.id, curWidgets ) < 0 ) ) {
2195                      list[ list.length ] = widget.id;
2196                  }
2197              }
2198              ts.removeWidget( table, list.join( ',' ), true );
2199              if ( dontapply !== true ) {
2200                  // call widget init if
2201                  ts.applyWidget( table, doAll || false, callback );
2202                  if ( doAll ) {
2203                      // apply widget format
2204                      ts.applyWidget( table, false, callback );
2205                  }
2206              } else {
2207                  callback( table );
2208              }
2209          },
2210  
2211          /*
2212          ██  ██ ██████ ██ ██     ██ ██████ ██ ██████ ▄█████
2213          ██  ██   ██   ██ ██     ██   ██   ██ ██▄▄   ▀█▄
2214          ██  ██   ██   ██ ██     ██   ██   ██ ██▀▀      ▀█▄
2215          ▀████▀   ██   ██ ██████ ██   ██   ██ ██████ █████▀
2216          */
2217          benchmark : function( diff ) {
2218              return ( ' (' + ( new Date().getTime() - diff.getTime() ) + ' ms)' );
2219          },
2220          // deprecated ts.log
2221          log : function() {
2222              console.log( arguments );
2223          },
2224          debug : function(c, name) {
2225              return c && (
2226                  c.debug === true ||
2227                  typeof c.debug === 'string' && c.debug.indexOf(name) > -1
2228              );
2229          },
2230  
2231          // $.isEmptyObject from jQuery v1.4
2232          isEmptyObject : function( obj ) {
2233              /*jshint forin: false */
2234              for ( var name in obj ) {
2235                  return false;
2236              }
2237              return true;
2238          },
2239  
2240          isValueInArray : function( column, arry ) {
2241              var indx,
2242                  len = arry && arry.length || 0;
2243              for ( indx = 0; indx < len; indx++ ) {
2244                  if ( arry[ indx ][ 0 ] === column ) {
2245                      return indx;
2246                  }
2247              }
2248              return -1;
2249          },
2250  
2251          formatFloat : function( str, table ) {
2252              if ( typeof str !== 'string' || str === '' ) { return str; }
2253              // allow using formatFloat without a table; defaults to US number format
2254              var num,
2255                  usFormat = table && table.config ? table.config.usNumberFormat !== false :
2256                      typeof table !== 'undefined' ? table : true;
2257              if ( usFormat ) {
2258                  // US Format - 1,234,567.89 -> 1234567.89
2259                  str = str.replace( ts.regex.comma, '' );
2260              } else {
2261                  // German Format = 1.234.567,89 -> 1234567.89
2262                  // French Format = 1 234 567,89 -> 1234567.89
2263                  str = str.replace( ts.regex.digitNonUS, '' ).replace( ts.regex.comma, '.' );
2264              }
2265              if ( ts.regex.digitNegativeTest.test( str ) ) {
2266                  // make (#) into a negative number -> (10) = -10
2267                  str = str.replace( ts.regex.digitNegativeReplace, '-$1' );
2268              }
2269              num = parseFloat( str );
2270              // return the text instead of zero
2271              return isNaN( num ) ? $.trim( str ) : num;
2272          },
2273  
2274          isDigit : function( str ) {
2275              // replace all unwanted chars and match
2276              return isNaN( str ) ?
2277                  ts.regex.digitTest.test( str.toString().replace( ts.regex.digitReplace, '' ) ) :
2278                  str !== '';
2279          },
2280  
2281          // computeTableHeaderCellIndexes from:
2282          // http://www.javascripttoolbox.com/lib/table/examples.php
2283          // http://www.javascripttoolbox.com/temp/table_cellindex.html
2284          computeColumnIndex : function( $rows, c ) {
2285              var i, j, k, l, cell, cells, rowIndex, rowSpan, colSpan, firstAvailCol,
2286                  // total columns has been calculated, use it to set the matrixrow
2287                  columns = c && c.columns || 0,
2288                  matrix = [],
2289                  matrixrow = new Array( columns );
2290              for ( i = 0; i < $rows.length; i++ ) {
2291                  cells = $rows[ i ].cells;
2292                  for ( j = 0; j < cells.length; j++ ) {
2293                      cell = cells[ j ];
2294                      rowIndex = i;
2295                      rowSpan = cell.rowSpan || 1;
2296                      colSpan = cell.colSpan || 1;
2297                      if ( typeof matrix[ rowIndex ] === 'undefined' ) {
2298                          matrix[ rowIndex ] = [];
2299                      }
2300                      // Find first available column in the first row
2301                      for ( k = 0; k < matrix[ rowIndex ].length + 1; k++ ) {
2302                          if ( typeof matrix[ rowIndex ][ k ] === 'undefined' ) {
2303                              firstAvailCol = k;
2304                              break;
2305                          }
2306                      }
2307                      // jscs:disable disallowEmptyBlocks
2308                      if ( columns && cell.cellIndex === firstAvailCol ) {
2309                          // don't to anything
2310                      } else if ( cell.setAttribute ) {
2311                          // jscs:enable disallowEmptyBlocks
2312                          // add data-column (setAttribute = IE8+)
2313                          cell.setAttribute( 'data-column', firstAvailCol );
2314                      } else {
2315                          // remove once we drop support for IE7 - 1/12/2016
2316                          $( cell ).attr( 'data-column', firstAvailCol );
2317                      }
2318                      for ( k = rowIndex; k < rowIndex + rowSpan; k++ ) {
2319                          if ( typeof matrix[ k ] === 'undefined' ) {
2320                              matrix[ k ] = [];
2321                          }
2322                          matrixrow = matrix[ k ];
2323                          for ( l = firstAvailCol; l < firstAvailCol + colSpan; l++ ) {
2324                              matrixrow[ l ] = 'x';
2325                          }
2326                      }
2327                  }
2328              }
2329              ts.checkColumnCount($rows, matrix, matrixrow.length);
2330              return matrixrow.length;
2331          },
2332  
2333          checkColumnCount : function($rows, matrix, columns) {
2334              // this DOES NOT report any tbody column issues, except for the math and
2335              // and column selector widgets
2336              var i, len,
2337                  valid = true,
2338                  cells = [];
2339              for ( i = 0; i < matrix.length; i++ ) {
2340                  // some matrix entries are undefined when testing the footer because
2341                  // it is using the rowIndex property
2342                  if ( matrix[i] ) {
2343                      len = matrix[i].length;
2344                      if ( matrix[i].length !== columns ) {
2345                          valid = false;
2346                          break;
2347                      }
2348                  }
2349              }
2350              if ( !valid ) {
2351                  $rows.each( function( indx, el ) {
2352                      var cell = el.parentElement.nodeName;
2353                      if ( cells.indexOf( cell ) < 0 ) {
2354                          cells.push( cell );
2355                      }
2356                  });
2357                  console.error(
2358                      'Invalid or incorrect number of columns in the ' +
2359                      cells.join( ' or ' ) + '; expected ' + columns +
2360                      ', but found ' + len + ' columns'
2361                  );
2362              }
2363          },
2364  
2365          // automatically add a colgroup with col elements set to a percentage width
2366          fixColumnWidth : function( table ) {
2367              table = $( table )[ 0 ];
2368              var overallWidth, percent, $tbodies, len, index,
2369                  c = table.config,
2370                  $colgroup = c.$table.children( 'colgroup' );
2371              // remove plugin-added colgroup, in case we need to refresh the widths
2372              if ( $colgroup.length && $colgroup.hasClass( ts.css.colgroup ) ) {
2373                  $colgroup.remove();
2374              }
2375              if ( c.widthFixed && c.$table.children( 'colgroup' ).length === 0 ) {
2376                  $colgroup = $( '<colgroup class="' + ts.css.colgroup + '">' );
2377                  overallWidth = c.$table.width();
2378                  // only add col for visible columns - fixes #371
2379                  $tbodies = c.$tbodies.find( 'tr:first' ).children( ':visible' );
2380                  len = $tbodies.length;
2381                  for ( index = 0; index < len; index++ ) {
2382                      percent = parseInt( ( $tbodies.eq( index ).width() / overallWidth ) * 1000, 10 ) / 10 + '%';
2383                      $colgroup.append( $( '<col>' ).css( 'width', percent ) );
2384                  }
2385                  c.$table.prepend( $colgroup );
2386              }
2387          },
2388  
2389          // get sorter, string, empty, etc options for each column from
2390          // jQuery data, metadata, header option or header class name ('sorter-false')
2391          // priority = jQuery data > meta > headers option > header class name
2392          getData : function( header, configHeader, key ) {
2393              var meta, cl4ss,
2394                  val = '',
2395                  $header = $( header );
2396              if ( !$header.length ) { return ''; }
2397              meta = $.metadata ? $header.metadata() : false;
2398              cl4ss = ' ' + ( $header.attr( 'class' ) || '' );
2399              if ( typeof $header.data( key ) !== 'undefined' ||
2400                  typeof $header.data( key.toLowerCase() ) !== 'undefined' ) {
2401                  // 'data-lockedOrder' is assigned to 'lockedorder'; but 'data-locked-order' is assigned to 'lockedOrder'
2402                  // 'data-sort-initial-order' is assigned to 'sortInitialOrder'
2403                  val += $header.data( key ) || $header.data( key.toLowerCase() );
2404              } else if ( meta && typeof meta[ key ] !== 'undefined' ) {
2405                  val += meta[ key ];
2406              } else if ( configHeader && typeof configHeader[ key ] !== 'undefined' ) {
2407                  val += configHeader[ key ];
2408              } else if ( cl4ss !== ' ' && cl4ss.match( ' ' + key + '-' ) ) {
2409                  // include sorter class name 'sorter-text', etc; now works with 'sorter-my-custom-parser'
2410                  val = cl4ss.match( new RegExp( '\\s' + key + '-([\\w-]+)' ) )[ 1 ] || '';
2411              }
2412              return $.trim( val );
2413          },
2414  
2415          getColumnData : function( table, obj, indx, getCell, $headers ) {
2416              if ( typeof obj !== 'object' || obj === null ) {
2417                  return obj;
2418              }
2419              table = $( table )[ 0 ];
2420              var $header, key,
2421                  c = table.config,
2422                  $cells = ( $headers || c.$headers ),
2423                  // c.$headerIndexed is not defined initially
2424                  $cell = c.$headerIndexed && c.$headerIndexed[ indx ] ||
2425                      $cells.find( '[data-column="' + indx + '"]:last' );
2426              if ( typeof obj[ indx ] !== 'undefined' ) {
2427                  return getCell ? obj[ indx ] : obj[ $cells.index( $cell ) ];
2428              }
2429              for ( key in obj ) {
2430                  if ( typeof key === 'string' ) {
2431                      $header = $cell
2432                          // header cell with class/id
2433                          .filter( key )
2434                          // find elements within the header cell with cell/id
2435                          .add( $cell.find( key ) );
2436                      if ( $header.length ) {
2437                          return obj[ key ];
2438                      }
2439                  }
2440              }
2441              return;
2442          },
2443  
2444          // *** Process table ***
2445          // add processing indicator
2446          isProcessing : function( $table, toggle, $headers ) {
2447              $table = $( $table );
2448              var c = $table[ 0 ].config,
2449                  // default to all headers
2450                  $header = $headers || $table.find( '.' + ts.css.header );
2451              if ( toggle ) {
2452                  // don't use sortList if custom $headers used
2453                  if ( typeof $headers !== 'undefined' && c.sortList.length > 0 ) {
2454                      // get headers from the sortList
2455                      $header = $header.filter( function() {
2456                          // get data-column from attr to keep compatibility with jQuery 1.2.6
2457                          return this.sortDisabled ?
2458                              false :
2459                              ts.isValueInArray( parseFloat( $( this ).attr( 'data-column' ) ), c.sortList ) >= 0;
2460                      });
2461                  }
2462                  $table.add( $header ).addClass( ts.css.processing + ' ' + c.cssProcessing );
2463              } else {
2464                  $table.add( $header ).removeClass( ts.css.processing + ' ' + c.cssProcessing );
2465              }
2466          },
2467  
2468          // detach tbody but save the position
2469          // don't use tbody because there are portions that look for a tbody index (updateCell)
2470          processTbody : function( table, $tb, getIt ) {
2471              table = $( table )[ 0 ];
2472              if ( getIt ) {
2473                  table.isProcessing = true;
2474                  $tb.before( '<colgroup class="tablesorter-savemyplace"/>' );
2475                  return $.fn.detach ? $tb.detach() : $tb.remove();
2476              }
2477              var holdr = $( table ).find( 'colgroup.tablesorter-savemyplace' );
2478              $tb.insertAfter( holdr );
2479              holdr.remove();
2480              table.isProcessing = false;
2481          },
2482  
2483          clearTableBody : function( table ) {
2484              $( table )[ 0 ].config.$tbodies.children().detach();
2485          },
2486  
2487          // used when replacing accented characters during sorting
2488          characterEquivalents : {
2489              'a' : '\u00e1\u00e0\u00e2\u00e3\u00e4\u0105\u00e5', // áàâãäąå
2490              'A' : '\u00c1\u00c0\u00c2\u00c3\u00c4\u0104\u00c5', // ÁÀÂÃÄĄÅ
2491              'c' : '\u00e7\u0107\u010d', // çćč
2492              'C' : '\u00c7\u0106\u010c', // ÇĆČ
2493              'e' : '\u00e9\u00e8\u00ea\u00eb\u011b\u0119', // éèêëěę
2494              'E' : '\u00c9\u00c8\u00ca\u00cb\u011a\u0118', // ÉÈÊËĚĘ
2495              'i' : '\u00ed\u00ec\u0130\u00ee\u00ef\u0131', // íìİîïı
2496              'I' : '\u00cd\u00cc\u0130\u00ce\u00cf', // ÍÌİÎÏ
2497              'o' : '\u00f3\u00f2\u00f4\u00f5\u00f6\u014d', // óòôõöō
2498              'O' : '\u00d3\u00d2\u00d4\u00d5\u00d6\u014c', // ÓÒÔÕÖŌ
2499              'ss': '\u00df', // ß (s sharp)
2500              'SS': '\u1e9e', // ẞ (Capital sharp s)
2501              'u' : '\u00fa\u00f9\u00fb\u00fc\u016f', // úùûüů
2502              'U' : '\u00da\u00d9\u00db\u00dc\u016e' // ÚÙÛÜŮ
2503          },
2504  
2505          replaceAccents : function( str ) {
2506              var chr,
2507                  acc = '[',
2508                  eq = ts.characterEquivalents;
2509              if ( !ts.characterRegex ) {
2510                  ts.characterRegexArray = {};
2511                  for ( chr in eq ) {
2512                      if ( typeof chr === 'string' ) {
2513                          acc += eq[ chr ];
2514                          ts.characterRegexArray[ chr ] = new RegExp( '[' + eq[ chr ] + ']', 'g' );
2515                      }
2516                  }
2517                  ts.characterRegex = new RegExp( acc + ']' );
2518              }
2519              if ( ts.characterRegex.test( str ) ) {
2520                  for ( chr in eq ) {
2521                      if ( typeof chr === 'string' ) {
2522                          str = str.replace( ts.characterRegexArray[ chr ], chr );
2523                      }
2524                  }
2525              }
2526              return str;
2527          },
2528  
2529          validateOptions : function( c ) {
2530              var setting, setting2, typ, timer,
2531                  // ignore options containing an array
2532                  ignore = 'headers sortForce sortList sortAppend widgets'.split( ' ' ),
2533                  orig = c.originalSettings;
2534              if ( orig ) {
2535                  if ( ts.debug(c, 'core') ) {
2536                      timer = new Date();
2537                  }
2538                  for ( setting in orig ) {
2539                      typ = typeof ts.defaults[setting];
2540                      if ( typ === 'undefined' ) {
2541                          console.warn( 'Tablesorter Warning! "table.config.' + setting + '" option not recognized' );
2542                      } else if ( typ === 'object' ) {
2543                          for ( setting2 in orig[setting] ) {
2544                              typ = ts.defaults[setting] && typeof ts.defaults[setting][setting2];
2545                              if ( $.inArray( setting, ignore ) < 0 && typ === 'undefined' ) {
2546                                  console.warn( 'Tablesorter Warning! "table.config.' + setting + '.' + setting2 + '" option not recognized' );
2547                              }
2548                          }
2549                      }
2550                  }
2551                  if ( ts.debug(c, 'core') ) {
2552                      console.log( 'validate options time:' + ts.benchmark( timer ) );
2553                  }
2554              }
2555          },
2556  
2557          // restore headers
2558          restoreHeaders : function( table ) {
2559              var index, $cell,
2560                  c = $( table )[ 0 ].config,
2561                  $headers = c.$table.find( c.selectorHeaders ),
2562                  len = $headers.length;
2563              // don't use c.$headers here in case header cells were swapped
2564              for ( index = 0; index < len; index++ ) {
2565                  $cell = $headers.eq( index );
2566                  // only restore header cells if it is wrapped
2567                  // because this is also used by the updateAll method
2568                  if ( $cell.find( '.' + ts.css.headerIn ).length ) {
2569                      $cell.html( c.headerContent[ index ] );
2570                  }
2571              }
2572          },
2573  
2574          destroy : function( table, removeClasses, callback ) {
2575              table = $( table )[ 0 ];
2576              if ( !table.hasInitialized ) { return; }
2577              // remove all widgets
2578              ts.removeWidget( table, true, false );
2579              var events,
2580                  $t = $( table ),
2581                  c = table.config,
2582                  $h = $t.find( 'thead:first' ),
2583                  $r = $h.find( 'tr.' + ts.css.headerRow ).removeClass( ts.css.headerRow + ' ' + c.cssHeaderRow ),
2584                  $f = $t.find( 'tfoot:first > tr' ).children( 'th, td' );
2585              if ( removeClasses === false && $.inArray( 'uitheme', c.widgets ) >= 0 ) {
2586                  // reapply uitheme classes, in case we want to maintain appearance
2587                  $t.triggerHandler( 'applyWidgetId', [ 'uitheme' ] );
2588                  $t.triggerHandler( 'applyWidgetId', [ 'zebra' ] );
2589              }
2590              // remove widget added rows, just in case
2591              $h.find( 'tr' ).not( $r ).remove();
2592              // disable tablesorter - not using .unbind( namespace ) because namespacing was
2593              // added in jQuery v1.4.3 - see http://api.jquery.com/event.namespace/
2594              events = 'sortReset update updateRows updateAll updateHeaders updateCell addRows updateComplete sorton ' +
2595                  'appendCache updateCache applyWidgetId applyWidgets refreshWidgets removeWidget destroy mouseup mouseleave ' +
2596                  'keypress sortBegin sortEnd resetToLoadState '.split( ' ' )
2597                  .join( c.namespace + ' ' );
2598              $t
2599                  .removeData( 'tablesorter' )
2600                  .unbind( events.replace( ts.regex.spaces, ' ' ) );
2601              c.$headers
2602                  .add( $f )
2603                  .removeClass( [ ts.css.header, c.cssHeader, c.cssAsc, c.cssDesc, ts.css.sortAsc, ts.css.sortDesc, ts.css.sortNone ].join( ' ' ) )
2604                  .removeAttr( 'data-column' )
2605                  .removeAttr( 'aria-label' )
2606                  .attr( 'aria-disabled', 'true' );
2607              $r
2608                  .find( c.selectorSort )
2609                  .unbind( ( 'mousedown mouseup keypress '.split( ' ' ).join( c.namespace + ' ' ) ).replace( ts.regex.spaces, ' ' ) );
2610              ts.restoreHeaders( table );
2611              $t.toggleClass( ts.css.table + ' ' + c.tableClass + ' tablesorter-' + c.theme, removeClasses === false );
2612              $t.removeClass(c.namespace.slice(1));
2613              // clear flag in case the plugin is initialized again
2614              table.hasInitialized = false;
2615              delete table.config.cache;
2616              if ( typeof callback === 'function' ) {
2617                  callback( table );
2618              }
2619              if ( ts.debug(c, 'core') ) {
2620                  console.log( 'tablesorter has been removed' );
2621              }
2622          }
2623  
2624      };
2625  
2626      $.fn.tablesorter = function( settings ) {
2627          return this.each( function() {
2628              var table = this,
2629              // merge & extend config options
2630              c = $.extend( true, {}, ts.defaults, settings, ts.instanceMethods );
2631              // save initial settings
2632              c.originalSettings = settings;
2633              // create a table from data (build table widget)
2634              if ( !table.hasInitialized && ts.buildTable && this.nodeName !== 'TABLE' ) {
2635                  // return the table (in case the original target is the table's container)
2636                  ts.buildTable( table, c );
2637              } else {
2638                  ts.setup( table, c );
2639              }
2640          });
2641      };
2642  
2643      // set up debug logs
2644      if ( !( window.console && window.console.log ) ) {
2645          // access $.tablesorter.logs for browsers that don't have a console...
2646          ts.logs = [];
2647          /*jshint -W020 */
2648          console = {};
2649          console.log = console.warn = console.error = console.table = function() {
2650              var arg = arguments.length > 1 ? arguments : arguments[0];
2651              ts.logs[ ts.logs.length ] = { date: Date.now(), log: arg };
2652          };
2653      }
2654  
2655      // add default parsers
2656      ts.addParser({
2657          id : 'no-parser',
2658          is : function() {
2659              return false;
2660          },
2661          format : function() {
2662              return '';
2663          },
2664          type : 'text'
2665      });
2666  
2667      ts.addParser({
2668          id : 'text',
2669          is : function() {
2670              return true;
2671          },
2672          format : function( str, table ) {
2673              var c = table.config;
2674              if ( str ) {
2675                  str = $.trim( c.ignoreCase ? str.toLocaleLowerCase() : str );
2676                  str = c.sortLocaleCompare ? ts.replaceAccents( str ) : str;
2677              }
2678              return str;
2679          },
2680          type : 'text'
2681      });
2682  
2683      ts.regex.nondigit = /[^\w,. \-()]/g;
2684      ts.addParser({
2685          id : 'digit',
2686          is : function( str ) {
2687              return ts.isDigit( str );
2688          },
2689          format : function( str, table ) {
2690              var num = ts.formatFloat( ( str || '' ).replace( ts.regex.nondigit, '' ), table );
2691              return str && typeof num === 'number' ? num :
2692                  str ? $.trim( str && table.config.ignoreCase ? str.toLocaleLowerCase() : str ) : str;
2693          },
2694          type : 'numeric'
2695      });
2696  
2697      ts.regex.currencyReplace = /[+\-,. ]/g;
2698      ts.regex.currencyTest = /^\(?\d+[\u00a3$\u20ac\u00a4\u00a5\u00a2?.]|[\u00a3$\u20ac\u00a4\u00a5\u00a2?.]\d+\)?$/;
2699      ts.addParser({
2700          id : 'currency',
2701          is : function( str ) {
2702              str = ( str || '' ).replace( ts.regex.currencyReplace, '' );
2703              // test for £$€¤¥¢
2704              return ts.regex.currencyTest.test( str );
2705          },
2706          format : function( str, table ) {
2707              var num = ts.formatFloat( ( str || '' ).replace( ts.regex.nondigit, '' ), table );
2708              return str && typeof num === 'number' ? num :
2709                  str ? $.trim( str && table.config.ignoreCase ? str.toLocaleLowerCase() : str ) : str;
2710          },
2711          type : 'numeric'
2712      });
2713  
2714      // too many protocols to add them all https://en.wikipedia.org/wiki/URI_scheme
2715      // now, this regex can be updated before initialization
2716      ts.regex.urlProtocolTest = /^(https?|ftp|file):\/\//;
2717      ts.regex.urlProtocolReplace = /(https?|ftp|file):\/\/(www\.)?/;
2718      ts.addParser({
2719          id : 'url',
2720          is : function( str ) {
2721              return ts.regex.urlProtocolTest.test( str );
2722          },
2723          format : function( str ) {
2724              return str ? $.trim( str.replace( ts.regex.urlProtocolReplace, '' ) ) : str;
2725          },
2726          type : 'text'
2727      });
2728  
2729      ts.regex.dash = /-/g;
2730      ts.regex.isoDate = /^\d{4}[\/\-]\d{1,2}[\/\-]\d{1,2}/;
2731      ts.addParser({
2732          id : 'isoDate',
2733          is : function( str ) {
2734              return ts.regex.isoDate.test( str );
2735          },
2736          format : function( str ) {
2737              var date = str ? new Date( str.replace( ts.regex.dash, '/' ) ) : str;
2738              return date instanceof Date && isFinite( date ) ? date.getTime() : str;
2739          },
2740          type : 'numeric'
2741      });
2742  
2743      ts.regex.percent = /%/g;
2744      ts.regex.percentTest = /(\d\s*?%|%\s*?\d)/;
2745      ts.addParser({
2746          id : 'percent',
2747          is : function( str ) {
2748              return ts.regex.percentTest.test( str ) && str.length < 15;
2749          },
2750          format : function( str, table ) {
2751              return str ? ts.formatFloat( str.replace( ts.regex.percent, '' ), table ) : str;
2752          },
2753          type : 'numeric'
2754      });
2755  
2756      // added image parser to core v2.17.9
2757      ts.addParser({
2758          id : 'image',
2759          is : function( str, table, node, $node ) {
2760              return $node.find( 'img' ).length > 0;
2761          },
2762          format : function( str, table, cell ) {
2763              return $( cell ).find( 'img' ).attr( table.config.imgAttr || 'alt' ) || str;
2764          },
2765          parsed : true, // filter widget flag
2766          type : 'text'
2767      });
2768  
2769      ts.regex.dateReplace = /(\S)([AP]M)$/i; // used by usLongDate & time parser
2770      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;
2771      ts.regex.usLongDateTest2 = /^\d{1,2}\s+[A-Z]{3,10}\s+\d{4}/i;
2772      ts.addParser({
2773          id : 'usLongDate',
2774          is : function( str ) {
2775              // two digit years are not allowed cross-browser
2776              // Jan 01, 2013 12:34:56 PM or 01 Jan 2013
2777              return ts.regex.usLongDateTest1.test( str ) || ts.regex.usLongDateTest2.test( str );
2778          },
2779          format : function( str ) {
2780              var date = str ? new Date( str.replace( ts.regex.dateReplace, '$1 $2' ) ) : str;
2781              return date instanceof Date && isFinite( date ) ? date.getTime() : str;
2782          },
2783          type : 'numeric'
2784      });
2785  
2786      // testing for ##-##-#### or ####-##-##, so it's not perfect; time can be included
2787      ts.regex.shortDateTest = /(^\d{1,2}[\/\s]\d{1,2}[\/\s]\d{4})|(^\d{4}[\/\s]\d{1,2}[\/\s]\d{1,2})/;
2788      // escaped "-" because JSHint in Firefox was showing it as an error
2789      ts.regex.shortDateReplace = /[\-.,]/g;
2790      // XXY covers MDY & DMY formats
2791      ts.regex.shortDateXXY = /(\d{1,2})[\/\s](\d{1,2})[\/\s](\d{4})/;
2792      ts.regex.shortDateYMD = /(\d{4})[\/\s](\d{1,2})[\/\s](\d{1,2})/;
2793      ts.convertFormat = function( dateString, format ) {
2794          dateString = ( dateString || '' )
2795              .replace( ts.regex.spaces, ' ' )
2796              .replace( ts.regex.shortDateReplace, '/' );
2797          if ( format === 'mmddyyyy' ) {
2798              dateString = dateString.replace( ts.regex.shortDateXXY, '$3/$1/$2' );
2799          } else if ( format === 'ddmmyyyy' ) {
2800              dateString = dateString.replace( ts.regex.shortDateXXY, '$3/$2/$1' );
2801          } else if ( format === 'yyyymmdd' ) {
2802              dateString = dateString.replace( ts.regex.shortDateYMD, '$1/$2/$3' );
2803          }
2804          var date = new Date( dateString );
2805          return date instanceof Date && isFinite( date ) ? date.getTime() : '';
2806      };
2807  
2808      ts.addParser({
2809          id : 'shortDate', // 'mmddyyyy', 'ddmmyyyy' or 'yyyymmdd'
2810          is : function( str ) {
2811              str = ( str || '' ).replace( ts.regex.spaces, ' ' ).replace( ts.regex.shortDateReplace, '/' );
2812              return ts.regex.shortDateTest.test( str );
2813          },
2814          format : function( str, table, cell, cellIndex ) {
2815              if ( str ) {
2816                  var c = table.config,
2817                      $header = c.$headerIndexed[ cellIndex ],
2818                      format = $header.length && $header.data( 'dateFormat' ) ||
2819                          ts.getData( $header, ts.getColumnData( table, c.headers, cellIndex ), 'dateFormat' ) ||
2820                          c.dateFormat;
2821                  // save format because getData can be slow...
2822                  if ( $header.length ) {
2823                      $header.data( 'dateFormat', format );
2824                  }
2825                  return ts.convertFormat( str, format ) || str;
2826              }
2827              return str;
2828          },
2829          type : 'numeric'
2830      });
2831  
2832      // match 24 hour time & 12 hours time + am/pm - see http://regexr.com/3c3tk
2833      ts.regex.timeTest = /^(0?[1-9]|1[0-2]):([0-5]\d)(\s[AP]M)$|^((?:[01]\d|[2][0-4]):[0-5]\d)$/i;
2834      ts.regex.timeMatch = /(0?[1-9]|1[0-2]):([0-5]\d)(\s[AP]M)|((?:[01]\d|[2][0-4]):[0-5]\d)/i;
2835      ts.addParser({
2836          id : 'time',
2837          is : function( str ) {
2838              return ts.regex.timeTest.test( str );
2839          },
2840          format : function( str ) {
2841              // isolate time... ignore month, day and year
2842              var temp,
2843                  timePart = ( str || '' ).match( ts.regex.timeMatch ),
2844                  orig = new Date( str ),
2845                  // no time component? default to 00:00 by leaving it out, but only if str is defined
2846                  time = str && ( timePart !== null ? timePart[ 0 ] : '00:00 AM' ),
2847                  date = time ? new Date( '2000/01/01 ' + time.replace( ts.regex.dateReplace, '$1 $2' ) ) : time;
2848              if ( date instanceof Date && isFinite( date ) ) {
2849                  temp = orig instanceof Date && isFinite( orig ) ? orig.getTime() : 0;
2850                  // if original string was a valid date, add it to the decimal so the column sorts in some kind of order
2851                  // luckily new Date() ignores the decimals
2852                  return temp ? parseFloat( date.getTime() + '.' + orig.getTime() ) : date.getTime();
2853              }
2854              return str;
2855          },
2856          type : 'numeric'
2857      });
2858  
2859      ts.addParser({
2860          id : 'metadata',
2861          is : function() {
2862              return false;
2863          },
2864          format : function( str, table, cell ) {
2865              var c = table.config,
2866              p = ( !c.parserMetadataName ) ? 'sortValue' : c.parserMetadataName;
2867              return $( cell ).metadata()[ p ];
2868          },
2869          type : 'numeric'
2870      });
2871  
2872      /*
2873          ██████ ██████ █████▄ █████▄ ▄████▄
2874            ▄█▀  ██▄▄   ██▄▄██ ██▄▄██ ██▄▄██
2875          ▄█▀    ██▀▀   ██▀▀██ ██▀▀█  ██▀▀██
2876          ██████ ██████ █████▀ ██  ██ ██  ██
2877          */
2878      // add default widgets
2879      ts.addWidget({
2880          id : 'zebra',
2881          priority : 90,
2882          format : function( table, c, wo ) {
2883              var $visibleRows, $row, count, isEven, tbodyIndex, rowIndex, len,
2884                  child = new RegExp( c.cssChildRow, 'i' ),
2885                  $tbodies = c.$tbodies.add( $( c.namespace + '_extra_table' ).children( 'tbody:not(.' + c.cssInfoBlock + ')' ) );
2886              for ( tbodyIndex = 0; tbodyIndex < $tbodies.length; tbodyIndex++ ) {
2887                  // loop through the visible rows
2888                  count = 0;
2889                  $visibleRows = $tbodies.eq( tbodyIndex ).children( 'tr:visible' ).not( c.selectorRemove );
2890                  len = $visibleRows.length;
2891                  for ( rowIndex = 0; rowIndex < len; rowIndex++ ) {
2892                      $row = $visibleRows.eq( rowIndex );
2893                      // style child rows the same way the parent row was styled
2894                      if ( !child.test( $row[ 0 ].className ) ) { count++; }
2895                      isEven = ( count % 2 === 0 );
2896                      $row
2897                          .removeClass( wo.zebra[ isEven ? 1 : 0 ] )
2898                          .addClass( wo.zebra[ isEven ? 0 : 1 ] );
2899                  }
2900              }
2901          },
2902          remove : function( table, c, wo, refreshing ) {
2903              if ( refreshing ) { return; }
2904              var tbodyIndex, $tbody,
2905                  $tbodies = c.$tbodies,
2906                  toRemove = ( wo.zebra || [ 'even', 'odd' ] ).join( ' ' );
2907              for ( tbodyIndex = 0; tbodyIndex < $tbodies.length; tbodyIndex++ ) {
2908                  $tbody = ts.processTbody( table, $tbodies.eq( tbodyIndex ), true ); // remove tbody
2909                  $tbody.children().removeClass( toRemove );
2910                  ts.processTbody( table, $tbody, false ); // restore tbody
2911              }
2912          }
2913      });
2914  
2915  })( jQuery );
2916  return jQuery.tablesorter;}));


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