resources/src/jquery/jquery.tablesorter.js

   1 /*!
   2  * TableSorter for MediaWiki
   3  *
   4  * Written 2011 Leo Koppelkamm
   5  * Based on tablesorter.com plugin, written (c) 2007 Christian Bach.
   6  *
   7  * Dual licensed under the MIT and GPL licenses:
   8  * http://www.opensource.org/licenses/mit-license.php
   9  * http://www.gnu.org/licenses/gpl.html
  10  *
  11  * Depends on mw.config (wgDigitTransformTable, wgDefaultDateFormat, wgPageContentLanguage)
  12  * and mw.language.months.
  13  *
  14  * Uses 'tableSorterCollation' in mw.config (if available)
  15  *
  16  * Create a sortable table with multi-column sorting capabilities
  17  *
  18  *      // Create a simple tablesorter interface
  19  *      $( 'table' ).tablesorter();
  20  *
  21  *      // Create a tablesorter interface, initially sorting on the first and second column
  22  *      $( 'table' ).tablesorter( { sortList: [ { 0: 'desc' }, { 1: 'asc' } ] } );
  23  *
  24  * @param {string} [cssHeader="header"] A string of the class name to be appended to sortable
  25  *         tr elements in the thead of the table.
  26  *
  27  * @param {string} [cssAsc="headerSortUp"] A string of the class name to be appended to
  28  *         sortable tr elements in the thead on a ascending sort.
  29  *
  30  * @param {string} [cssDesc="headerSortDown"] A string of the class name to be appended to
  31  *         sortable tr elements in the thead on a descending sort.
  32  *
  33  * @param {string} [sortMultisortKey="shiftKey"] A string of the multi-column sort key.
  34  *
  35  * @param {boolean} [cancelSelection=true] Boolean flag indicating iftablesorter should cancel
  36  *         selection of the table headers text.
  37  *
  38  * @param {Array} [sortList] An array containing objects specifying sorting. By passing more
  39  *         than one object, multi-sorting will be applied. Object structure:
  40  *         { <Integer column index>: <String 'asc' or 'desc'> }
  41  *
  42  * @event sortEnd.tablesorter: Triggered as soon as any sorting has been applied.
  43  *
  44  * @author Christian Bach/christian.bach@polyester.se
  45  */
  46 ( function ( $, mw ) {
  47         var ts,
  48                 parsers = [];
  49
  50         /* Parser utility functions */
  51
  52         function getParserById( name ) {
  53                 var i;
  54                 for ( i = 0; i < parsers.length; i++ ) {
  55                         if ( parsers[ i ].id.toLowerCase() === name.toLowerCase() ) {
  56                                 return parsers[ i ];
  57                         }
  58                 }
  59                 return false;
  60         }
  61
  62         function getElementSortKey( node ) {
  63                 var $node = $( node ),
  64                         // Use data-sort-value attribute.
  65                         // Use data() instead of attr() so that live value changes
  66                         // are processed as well (T40152).
  67                         data = $node.data( 'sortValue' );
  68
  69                 if ( data !== null && data !== undefined ) {
  70                         // Cast any numbers or other stuff to a string, methods
  71                         // like charAt, toLowerCase and split are expected.
  72                         return String( data );
  73                 }
  74                 if ( !node ) {
  75                         return $node.text();
  76                 }
  77                 if ( node.tagName.toLowerCase() === 'img' ) {
  78                         return $node.attr( 'alt' ) || ''; // handle undefined alt
  79                 }
  80                 return $.map( $.makeArray( node.childNodes ), function ( elem ) {
  81                         if ( elem.nodeType === Node.ELEMENT_NODE ) {
  82                                 return getElementSortKey( elem );
  83                         }
  84                         return $.text( elem );
  85                 } ).join( '' );
  86         }
  87
  88         function detectParserForColumn( table, rows, column ) {
  89                 var l = parsers.length,
  90                         config = $( table ).data( 'tablesorter' ).config,
  91                         cellIndex,
  92                         nodeValue,
  93                         nextRow = false,
  94                         // Start with 1 because 0 is the fallback parser
  95                         i = 1,
  96                         lastRowIndex = -1,
  97                         rowIndex = 0,
  98                         concurrent = 0,
  99                         empty = 0,
 100                         needed = ( rows.length > 4 ) ? 5 : rows.length;
 101
 102                 while ( i < l ) {
 103                         // if this is a child row, continue to the next row (as buildCache())
 104                         if ( rows[ rowIndex ] && !$( rows[ rowIndex ] ).hasClass( config.cssChildRow ) ) {
 105                                 if ( rowIndex !== lastRowIndex ) {
 106                                         lastRowIndex = rowIndex;
 107                                         cellIndex = $( rows[ rowIndex ] ).data( 'columnToCell' )[ column ];
 108                                         nodeValue = $.trim( getElementSortKey( rows[ rowIndex ].cells[ cellIndex ] ) );
 109                                 }
 110                         } else {
 111                                 nodeValue = '';
 112                         }
 113
 114                         if ( nodeValue !== '' ) {
 115                                 if ( parsers[ i ].is( nodeValue, table ) ) {
 116                                         concurrent++;
 117                                         nextRow = true;
 118                                         if ( concurrent >= needed ) {
 119                                                 // Confirmed the parser for multiple cells, let's return it
 120                                                 return parsers[ i ];
 121                                         }
 122                                 } else if ( parsers[ i ].id.match( /isoDate/ ) && /^\D*(\d{1,4}) ?(\[.+\])?$/.test( nodeValue ) ) {
 123                                         // For 1-4 digits and maybe reference(s) parser "isoDate" or "number" is possible, check next row
 124                                         empty++;
 125                                         nextRow = true;
 126                                 } else {
 127                                         // Check next parser, reset rows
 128                                         i++;
 129                                         rowIndex = 0;
 130                                         concurrent = 0;
 131                                         empty = 0;
 132                                         nextRow = false;
 133                                 }
 134                         } else {
 135                                 // Empty cell
 136                                 empty++;
 137                                 nextRow = true;
 138                         }
 139
 140                         if ( nextRow ) {
 141                                 nextRow = false;
 142                                 rowIndex++;
 143                                 if ( rowIndex >= rows.length ) {
 144                                         if ( concurrent > 0 && concurrent >= rows.length - empty ) {
 145                                                 // Confirmed the parser for all filled cells
 146                                                 return parsers[ i ];
 147                                         }
 148                                         // Check next parser, reset rows
 149                                         i++;
 150                                         rowIndex = 0;
 151                                         concurrent = 0;
 152                                         empty = 0;
 153                                 }
 154                         }
 155                 }
 156
 157                 // 0 is always the generic parser (text)
 158                 return parsers[ 0 ];
 159         }
 160
 161         function buildParserCache( table, $headers ) {
 162                 var sortType, len, j, parser,
 163                         rows = table.tBodies[ 0 ].rows,
 164                         config = $( table ).data( 'tablesorter' ).config,
 165                         parsers = [];
 166
 167                 if ( rows[ 0 ] ) {
 168                         len = config.columns;
 169                         for ( j = 0; j < len; j++ ) {
 170                                 parser = false;
 171                                 sortType = $headers.eq( config.columnToHeader[ j ] ).data( 'sortType' );
 172                                 if ( sortType !== undefined ) {
 173                                         parser = getParserById( sortType );
 174                                 }
 175
 176                                 if ( parser === false ) {
 177                                         parser = detectParserForColumn( table, rows, j );
 178                                 }
 179
 180                                 parsers.push( parser );
 181                         }
 182                 }
 183                 return parsers;
 184         }
 185
 186         /* Other utility functions */
 187
 188         function buildCache( table ) {
 189                 var i, j, $row, cols,
 190                         totalRows = ( table.tBodies[ 0 ] && table.tBodies[ 0 ].rows.length ) || 0,
 191                         config = $( table ).data( 'tablesorter' ).config,
 192                         parsers = config.parsers,
 193                         len = parsers.length,
 194                         cellIndex,
 195                         cache = {
 196                                 row: [],
 197                                 normalized: []
 198                         };
 199
 200                 for ( i = 0; i < totalRows; i++ ) {
 201
 202                         // Add the table data to main data array
 203                         $row = $( table.tBodies[ 0 ].rows[ i ] );
 204                         cols = [];
 205
 206                         // if this is a child row, add it to the last row's children and
 207                         // continue to the next row
 208                         if ( $row.hasClass( config.cssChildRow ) ) {
 209                                 cache.row[ cache.row.length - 1 ] = cache.row[ cache.row.length - 1 ].add( $row );
 210                                 // go to the next for loop
 211                                 continue;
 212                         }
 213
 214                         cache.row.push( $row );
 215
 216                         for ( j = 0; j < len; j++ ) {
 217                                 cellIndex = $row.data( 'columnToCell' )[ j ];
 218                                 cols.push( parsers[ j ].format( getElementSortKey( $row[ 0 ].cells[ cellIndex ] ) ) );
 219                         }
 220
 221                         cols.push( cache.normalized.length ); // add position for rowCache
 222                         cache.normalized.push( cols );
 223                         cols = null;
 224                 }
 225
 226                 return cache;
 227         }
 228
 229         function appendToTable( table, cache ) {
 230                 var i, pos, l, j,
 231                         row = cache.row,
 232                         normalized = cache.normalized,
 233                         totalRows = normalized.length,
 234                         checkCell = ( normalized[ 0 ].length - 1 ),
 235                         fragment = document.createDocumentFragment();
 236
 237                 for ( i = 0; i < totalRows; i++ ) {
 238                         pos = normalized[ i ][ checkCell ];
 239
 240                         l = row[ pos ].length;
 241                         for ( j = 0; j < l; j++ ) {
 242                                 fragment.appendChild( row[ pos ][ j ] );
 243                         }
 244
 245                 }
 246                 table.tBodies[ 0 ].appendChild( fragment );
 247
 248                 $( table ).trigger( 'sortEnd.tablesorter' );
 249         }
 250
 251         /**
 252          * Find all header rows in a thead-less table and put them in a <thead> tag.
 253          * This only treats a row as a header row if it contains only <th>s (no <td>s)
 254          * and if it is preceded entirely by header rows. The algorithm stops when
 255          * it encounters the first non-header row.
 256          *
 257          * After this, it will look at all rows at the bottom for footer rows
 258          * And place these in a tfoot using similar rules.
 259          *
 260          * @param {jQuery} $table object for a <table>
 261          */
 262         function emulateTHeadAndFoot( $table ) {
 263                 var $thead, $tfoot, i, len,
 264                         $rows = $table.find( '> tbody > tr' );
 265                 if ( !$table.get( 0 ).tHead ) {
 266                         $thead = $( '<thead>' );
 267                         $rows.each( function () {
 268                                 if ( $( this ).children( 'td' ).length ) {
 269                                         // This row contains a <td>, so it's not a header row
 270                                         // Stop here
 271                                         return false;
 272                                 }
 273                                 $thead.append( this );
 274                         } );
 275                         $table.find( ' > tbody:first' ).before( $thead );
 276                 }
 277                 if ( !$table.get( 0 ).tFoot ) {
 278                         $tfoot = $( '<tfoot>' );
 279                         len = $rows.length;
 280                         for ( i = len - 1; i >= 0; i-- ) {
 281                                 if ( $( $rows[ i ] ).children( 'td' ).length ) {
 282                                         break;
 283                                 }
 284                                 $tfoot.prepend( $( $rows[ i ] ) );
 285                         }
 286                         $table.append( $tfoot );
 287                 }
 288         }
 289
 290         function uniqueElements( array ) {
 291                 var uniques = [];
 292                 $.each( array, function ( i, elem ) {
 293                         if ( elem !== undefined && $.inArray( elem, uniques ) === -1 ) {
 294                                 uniques.push( elem );
 295                         }
 296                 } );
 297                 return uniques;
 298         }
 299
 300         function buildHeaders( table, msg ) {
 301                 var config = $( table ).data( 'tablesorter' ).config,
 302                         maxSeen = 0,
 303                         colspanOffset = 0,
 304                         columns,
 305                         k,
 306                         $cell,
 307                         rowspan,
 308                         colspan,
 309                         headerCount,
 310                         longestTR,
 311                         headerIndex,
 312                         exploded,
 313                         $tableHeaders = $( [] ),
 314                         $tableRows = $( 'thead:eq(0) > tr', table );
 315
 316                 if ( $tableRows.length <= 1 ) {
 317                         $tableHeaders = $tableRows.children( 'th' );
 318                 } else {
 319                         exploded = [];
 320
 321                         // Loop through all the dom cells of the thead
 322                         $tableRows.each( function ( rowIndex, row ) {
 323                                 $.each( row.cells, function ( columnIndex, cell ) {
 324                                         var matrixRowIndex,
 325                                                 matrixColumnIndex;
 326
 327                                         rowspan = Number( cell.rowSpan );
 328                                         colspan = Number( cell.colSpan );
 329
 330                                         // Skip the spots in the exploded matrix that are already filled
 331                                         while ( exploded[ rowIndex ] && exploded[ rowIndex ][ columnIndex ] !== undefined ) {
 332                                                 ++columnIndex;
 333                                         }
 334
 335                                         // Find the actual dimensions of the thead, by placing each cell
 336                                         // in the exploded matrix rowspan times colspan times, with the proper offsets
 337                                         for ( matrixColumnIndex = columnIndex; matrixColumnIndex < columnIndex + colspan; ++matrixColumnIndex ) {
 338                                                 for ( matrixRowIndex = rowIndex; matrixRowIndex < rowIndex + rowspan; ++matrixRowIndex ) {
 339                                                         if ( !exploded[ matrixRowIndex ] ) {
 340                                                                 exploded[ matrixRowIndex ] = [];
 341                                                         }
 342                                                         exploded[ matrixRowIndex ][ matrixColumnIndex ] = cell;
 343                                                 }
 344                                         }
 345                                 } );
 346                         } );
 347                         // We want to find the row that has the most columns (ignoring colspan)
 348                         $.each( exploded, function ( index, cellArray ) {
 349                                 headerCount = $( uniqueElements( cellArray ) ).filter( 'th' ).length;
 350                                 if ( headerCount >= maxSeen ) {
 351                                         maxSeen = headerCount;
 352                                         longestTR = index;
 353                                 }
 354                         } );
 355                         // We cannot use $.unique() here because it sorts into dom order, which is undesirable
 356                         $tableHeaders = $( uniqueElements( exploded[ longestTR ] ) ).filter( 'th' );
 357                 }
 358
 359                 // as each header can span over multiple columns (using colspan=N),
 360                 // we have to bidirectionally map headers to their columns and columns to their headers
 361                 config.columnToHeader = [];
 362                 config.headerToColumns = [];
 363                 config.headerList = [];
 364                 headerIndex = 0;
 365                 $tableHeaders.each( function () {
 366                         $cell = $( this );
 367                         columns = [];
 368
 369                         if ( !$cell.hasClass( config.unsortableClass ) ) {
 370                                 $cell
 371                                         .addClass( config.cssHeader )
 372                                         .prop( 'tabIndex', 0 )
 373                                         .attr( {
 374                                                 role: 'columnheader button',
 375                                                 title: msg[ 1 ]
 376                                         } );
 377
 378                                 for ( k = 0; k < this.colSpan; k++ ) {
 379                                         config.columnToHeader[ colspanOffset + k ] = headerIndex;
 380                                         columns.push( colspanOffset + k );
 381                                 }
 382
 383                                 config.headerToColumns[ headerIndex ] = columns;
 384
 385                                 $cell.data( {
 386                                         headerIndex: headerIndex,
 387                                         order: 0,
 388                                         count: 0
 389                                 } );
 390
 391                                 // add only sortable cells to headerList
 392                                 config.headerList[ headerIndex ] = this;
 393                                 headerIndex++;
 394                         }
 395
 396                         colspanOffset += this.colSpan;
 397                 } );
 398
 399                 // number of columns with extended colspan, inclusive unsortable
 400                 // parsers[j], cache[][j], columnToHeader[j], columnToCell[j] have so many elements
 401                 config.columns = colspanOffset;
 402
 403                 return $tableHeaders.not( '.' + config.unsortableClass );
 404         }
 405
 406         function isValueInArray( v, a ) {
 407                 var i;
 408                 for ( i = 0; i < a.length; i++ ) {
 409                         if ( a[ i ][ 0 ] === v ) {
 410                                 return true;
 411                         }
 412                 }
 413                 return false;
 414         }
 415
 416         /**
 417          * Sets the sort count of the columns that are not affected by the sorting to have them sorted
 418          * in default (ascending) order when their header cell is clicked the next time.
 419          *
 420          * @param {jQuery} $headers
 421          * @param {Array} sortList 2D number array
 422          * @param {Array} headerToColumns 2D number array
 423          */
 424         function setHeadersOrder( $headers, sortList, headerToColumns ) {
 425                 // Loop through all headers to retrieve the indices of the columns the header spans across:
 426                 $.each( headerToColumns, function ( headerIndex, columns ) {
 427
 428                         $.each( columns, function ( i, columnIndex ) {
 429                                 var header = $headers[ headerIndex ],
 430                                         $header = $( header );
 431
 432                                 if ( !isValueInArray( columnIndex, sortList ) ) {
 433                                         // Column shall not be sorted: Reset header count and order.
 434                                         $header.data( {
 435                                                 order: 0,
 436                                                 count: 0
 437                                         } );
 438                                 } else {
 439                                         // Column shall be sorted: Apply designated count and order.
 440                                         $.each( sortList, function ( j, sortColumn ) {
 441                                                 if ( sortColumn[ 0 ] === i ) {
 442                                                         $header.data( {
 443                                                                 order: sortColumn[ 1 ],
 444                                                                 count: sortColumn[ 1 ] + 1
 445                                                         } );
 446                                                         return false;
 447                                                 }
 448                                         } );
 449                                 }
 450                         } );
 451
 452                 } );
 453         }
 454
 455         function setHeadersCss( table, $headers, list, css, msg, columnToHeader ) {
 456                 var i, len;
 457                 // Remove all header information and reset titles to default message
 458                 $headers.removeClass( css[ 0 ] ).removeClass( css[ 1 ] ).attr( 'title', msg[ 1 ] );
 459
 460                 for ( i = 0, len = list.length; i < len; i++ ) {
 461                         $headers
 462                                 .eq( columnToHeader[ list[ i ][ 0 ] ] )
 463                                 .addClass( css[ list[ i ][ 1 ] ] )
 464                                 .attr( 'title', msg[ list[ i ][ 1 ] ] );
 465                 }
 466         }
 467
 468         function sortText( a, b ) {
 469                 return ( ( a < b ) ? -1 : ( ( a > b ) ? 1 : 0 ) );
 470         }
 471
 472         function sortTextDesc( a, b ) {
 473                 return ( ( b < a ) ? -1 : ( ( b > a ) ? 1 : 0 ) );
 474         }
 475
 476         function multisort( table, sortList, cache ) {
 477                 var i,
 478                         sortFn = [];
 479
 480                 for ( i = 0; i < sortList.length; i++ ) {
 481                         sortFn[ i ] = ( sortList[ i ][ 1 ] ) ? sortTextDesc : sortText;
 482                 }
 483                 cache.normalized.sort( function ( array1, array2 ) {
 484                         var i, col, ret;
 485                         for ( i = 0; i < sortList.length; i++ ) {
 486                                 col = sortList[ i ][ 0 ];
 487                                 ret = sortFn[ i ].call( this, array1[ col ], array2[ col ] );
 488                                 if ( ret !== 0 ) {
 489                                         return ret;
 490                                 }
 491                         }
 492                         // Fall back to index number column to ensure stable sort
 493                         return sortText.call( this, array1[ array1.length - 1 ], array2[ array2.length - 1 ] );
 494                 } );
 495                 return cache;
 496         }
 497
 498         function buildTransformTable() {
 499                 var ascii, localised, i, digitClass,
 500                         digits = '0123456789,.'.split( '' ),
 501                         separatorTransformTable = mw.config.get( 'wgSeparatorTransformTable' ),
 502                         digitTransformTable = mw.config.get( 'wgDigitTransformTable' );
 503
 504                 if ( separatorTransformTable === null || ( separatorTransformTable[ 0 ] === '' && digitTransformTable[ 2 ] === '' ) ) {
 505                         ts.transformTable = false;
 506                 } else {
 507                         ts.transformTable = {};
 508
 509                         // Unpack the transform table
 510                         ascii = separatorTransformTable[ 0 ].split( '\t' ).concat( digitTransformTable[ 0 ].split( '\t' ) );
 511                         localised = separatorTransformTable[ 1 ].split( '\t' ).concat( digitTransformTable[ 1 ].split( '\t' ) );
 512
 513                         // Construct regexes for number identification
 514                         for ( i = 0; i < ascii.length; i++ ) {
 515                                 ts.transformTable[ localised[ i ] ] = ascii[ i ];
 516                                 digits.push( mw.RegExp.escape( localised[ i ] ) );
 517                         }
 518                 }
 519                 digitClass = '[' + digits.join( '', digits ) + ']';
 520
 521                 // We allow a trailing percent sign, which we just strip. This works fine
 522                 // if percents and regular numbers aren't being mixed.
 523                 ts.numberRegex = new RegExp(
 524                         '^(' +
 525                                 '[-+\u2212]?[0-9][0-9,]*(\\.[0-9,]*)?(E[-+\u2212]?[0-9][0-9,]*)?' + // Fortran-style scientific
 526                                 '|' +
 527                                 '[-+\u2212]?' + digitClass + '+[\\s\\xa0]*%?' + // Generic localised
 528                         ')$',
 529                         'i'
 530                 );
 531         }
 532
 533         function buildDateTable() {
 534                 var i, name,
 535                         regex = [];
 536
 537                 ts.monthNames = {};
 538
 539                 for ( i = 0; i < 12; i++ ) {
 540                         name = mw.language.months.names[ i ].toLowerCase();
 541                         ts.monthNames[ name ] = i + 1;
 542                         regex.push( mw.RegExp.escape( name ) );
 543                         name = mw.language.months.genitive[ i ].toLowerCase();
 544                         ts.monthNames[ name ] = i + 1;
 545                         regex.push( mw.RegExp.escape( name ) );
 546                         name = mw.language.months.abbrev[ i ].toLowerCase().replace( '.', '' );
 547                         ts.monthNames[ name ] = i + 1;
 548                         regex.push( mw.RegExp.escape( name ) );
 549                 }
 550
 551                 // Build piped string
 552                 regex = regex.join( '|' );
 553
 554                 // Build RegEx
 555                 // Any date formated with . , ' - or /
 556                 ts.dateRegex[ 0 ] = new RegExp( /^\s*(\d{1,2})[,.\-/'\s]{1,2}(\d{1,2})[,.\-/'\s]{1,2}(\d{2,4})\s*?/i );
 557
 558                 // Written Month name, dmy
 559                 ts.dateRegex[ 1 ] = new RegExp(
 560                         '^\\s*(\\d{1,2})[\\,\\.\\-\\/\'\\s]+(' +
 561                                 regex +
 562                         ')' +
 563                         '[\\,\\.\\-\\/\'\\s]+(\\d{2,4})\\s*$',
 564                         'i'
 565                 );
 566
 567                 // Written Month name, mdy
 568                 ts.dateRegex[ 2 ] = new RegExp(
 569                         '^\\s*(' + regex + ')' +
 570                         '[\\,\\.\\-\\/\'\\s]+(\\d{1,2})[\\,\\.\\-\\/\'\\s]+(\\d{2,4})\\s*$',
 571                         'i'
 572                 );
 573
 574         }
 575
 576         /**
 577          * Replace all rowspanned cells in the body with clones in each row, so sorting
 578          * need not worry about them.
 579          *
 580          * @param {jQuery} $table jQuery object for a <table>
 581          */
 582         function explodeRowspans( $table ) {
 583                 var spanningRealCellIndex, rowSpan, colSpan,
 584                         cell, cellData, i, $tds, $clone, $nextRows,
 585                         rowspanCells = $table.find( '> tbody > tr > [rowspan]' ).get();
 586
 587                 // Short circuit
 588                 if ( !rowspanCells.length ) {
 589                         return;
 590                 }
 591
 592                 // First, we need to make a property like cellIndex but taking into
 593                 // account colspans. We also cache the rowIndex to avoid having to take
 594                 // cell.parentNode.rowIndex in the sorting function below.
 595                 $table.find( '> tbody > tr' ).each( function () {
 596                         var i,
 597                                 col = 0,
 598                                 len = this.cells.length;
 599                         for ( i = 0; i < len; i++ ) {
 600                                 $( this.cells[ i ] ).data( 'tablesorter', {
 601                                         realCellIndex: col,
 602                                         realRowIndex: this.rowIndex
 603                                 } );
 604                                 col += this.cells[ i ].colSpan;
 605                         }
 606                 } );
 607
 608                 // Split multi row cells into multiple cells with the same content.
 609                 // Sort by column then row index to avoid problems with odd table structures.
 610                 // Re-sort whenever a rowspanned cell's realCellIndex is changed, because it
 611                 // might change the sort order.
 612                 function resortCells() {
 613                         var cellAData,
 614                                 cellBData,
 615                                 ret;
 616                         rowspanCells = rowspanCells.sort( function ( a, b ) {
 617                                 cellAData = $.data( a, 'tablesorter' );
 618                                 cellBData = $.data( b, 'tablesorter' );
 619                                 ret = cellAData.realCellIndex - cellBData.realCellIndex;
 620                                 if ( !ret ) {
 621                                         ret = cellAData.realRowIndex - cellBData.realRowIndex;
 622                                 }
 623                                 return ret;
 624                         } );
 625                         $.each( rowspanCells, function () {
 626                                 $.data( this, 'tablesorter' ).needResort = false;
 627                         } );
 628                 }
 629                 resortCells();
 630
 631                 function filterfunc() {
 632                         return $.data( this, 'tablesorter' ).realCellIndex >= spanningRealCellIndex;
 633                 }
 634
 635                 function fixTdCellIndex() {
 636                         $.data( this, 'tablesorter' ).realCellIndex += colSpan;
 637                         if ( this.rowSpan > 1 ) {
 638                                 $.data( this, 'tablesorter' ).needResort = true;
 639                         }
 640                 }
 641
 642                 while ( rowspanCells.length ) {
 643                         if ( $.data( rowspanCells[ 0 ], 'tablesorter' ).needResort ) {
 644                                 resortCells();
 645                         }
 646
 647                         cell = rowspanCells.shift();
 648                         cellData = $.data( cell, 'tablesorter' );
 649                         rowSpan = cell.rowSpan;
 650                         colSpan = cell.colSpan;
 651                         spanningRealCellIndex = cellData.realCellIndex;
 652                         cell.rowSpan = 1;
 653                         $nextRows = $( cell ).parent().nextAll();
 654                         for ( i = 0; i < rowSpan - 1; i++ ) {
 655                                 $tds = $( $nextRows[ i ].cells ).filter( filterfunc );
 656                                 $clone = $( cell ).clone();
 657                                 $clone.data( 'tablesorter', {
 658                                         realCellIndex: spanningRealCellIndex,
 659                                         realRowIndex: cellData.realRowIndex + i,
 660                                         needResort: true
 661                                 } );
 662                                 if ( $tds.length ) {
 663                                         $tds.each( fixTdCellIndex );
 664                                         $tds.first().before( $clone );
 665                                 } else {
 666                                         $nextRows.eq( i ).append( $clone );
 667                                 }
 668                         }
 669                 }
 670         }
 671
 672         /**
 673          * Build index to handle colspanned cells in the body.
 674          * Set the cell index for each column in an array,
 675          * so that colspaned cells set multiple in this array.
 676          * columnToCell[collumnIndex] point at the real cell in this row.
 677          *
 678          * @param {jQuery} $table object for a <table>
 679          */
 680         function manageColspans( $table ) {
 681                 var i, j, k, $row,
 682                         $rows = $table.find( '> tbody > tr' ),
 683                         totalRows = $rows.length || 0,
 684                         config = $table.data( 'tablesorter' ).config,
 685                         columns = config.columns,
 686                         columnToCell, cellsInRow, index;
 687
 688                 for ( i = 0; i < totalRows; i++ ) {
 689
 690                         $row = $rows.eq( i );
 691                         // if this is a child row, continue to the next row (as buildCache())
 692                         if ( $row.hasClass( config.cssChildRow ) ) {
 693                                 // go to the next for loop
 694                                 continue;
 695                         }
 696
 697                         columnToCell = [];
 698                         cellsInRow = ( $row[ 0 ].cells.length ) || 0; // all cells in this row
 699                         index = 0; // real cell index in this row
 700                         for ( j = 0; j < columns; index++ ) {
 701                                 if ( index === cellsInRow ) {
 702                                         // Row with cells less than columns: add empty cell
 703                                         $row.append( '<td>' );
 704                                         cellsInRow++;
 705                                 }
 706                                 for ( k = 0; k < $row[ 0 ].cells[ index ].colSpan; k++ ) {
 707                                         columnToCell[ j++ ] = index;
 708                                 }
 709                         }
 710                         // Store it in $row
 711                         $row.data( 'columnToCell', columnToCell );
 712                 }
 713         }
 714
 715         function buildCollationTable() {
 716                 var key, keys = [];
 717                 ts.collationTable = mw.config.get( 'tableSorterCollation' );
 718                 ts.collationRegex = null;
 719                 if ( ts.collationTable ) {
 720                         // Build array of key names
 721                         for ( key in ts.collationTable ) {
 722                                 // Check hasOwn to be safe
 723                                 if ( ts.collationTable.hasOwnProperty( key ) ) {
 724                                         keys.push( mw.RegExp.escape( key ) );
 725                                 }
 726                         }
 727                         if ( keys.length ) {
 728                                 ts.collationRegex = new RegExp( keys.join( '|' ), 'ig' );
 729                         }
 730                 }
 731         }
 732
 733         function cacheRegexs() {
 734                 if ( ts.rgx ) {
 735                         return;
 736                 }
 737                 ts.rgx = {
 738                         IPAddress: [
 739                                 new RegExp( /^\d{1,3}[.]\d{1,3}[.]\d{1,3}[.]\d{1,3}$/ )
 740                         ],
 741                         currency: [
 742                                 new RegExp( /(^[£$€¥]|[£$€¥]$)/ ),
 743                                 new RegExp( /[£$€¥]/g )
 744                         ],
 745                         url: [
 746                                 new RegExp( /^(https?|ftp|file):\/\/$/ ),
 747                                 new RegExp( /(https?|ftp|file):\/\// )
 748                         ],
 749                         isoDate: [
 750                                 new RegExp( /^[^-\d]*(-?\d{1,4})-(0\d|1[0-2])(-([0-3]\d))?([T\s]([01]\d|2[0-4]):?(([0-5]\d):?(([0-5]\d|60)([.,]\d{1,3})?)?)?([zZ]|([-+])([01]\d|2[0-3]):?([0-5]\d)?)?)?/ ),
 751                                 new RegExp( /^[^-\d]*(-?\d{1,4})-?(\d\d)?(-?(\d\d))?([T\s](\d\d):?((\d\d)?:?((\d\d)?([.,]\d{1,3})?)?)?([zZ]|([-+])(\d\d):?(\d\d)?)?)?/ )
 752                         ],
 753                         usLongDate: [
 754                                 new RegExp( /^[A-Za-z]{3,10}\.? [0-9]{1,2}, ([0-9]{4}|'?[0-9]{2}) (([0-2]?[0-9]:[0-5][0-9])|([0-1]?[0-9]:[0-5][0-9]\s(AM|PM)))$/ )
 755                         ],
 756                         time: [
 757                                 new RegExp( /^(([0-2]?[0-9]:[0-5][0-9])|([0-1]?[0-9]:[0-5][0-9]\s(am|pm)))$/ )
 758                         ]
 759                 };
 760         }
 761
 762         /**
 763          * Converts sort objects [ { Integer: String }, ... ] to the internally used nested array
 764          * structure [ [ Integer , Integer ], ... ]
 765          *
 766          * @param {Array} sortObjects List of sort objects.
 767          * @return {Array} List of internal sort definitions.
 768          */
 769         function convertSortList( sortObjects ) {
 770                 var sortList = [];
 771                 $.each( sortObjects, function ( i, sortObject ) {
 772                         $.each( sortObject, function ( columnIndex, order ) {
 773                                 var orderIndex = ( order === 'desc' ) ? 1 : 0;
 774                                 sortList.push( [ parseInt( columnIndex, 10 ), orderIndex ] );
 775                         } );
 776                 } );
 777                 return sortList;
 778         }
 779
 780         /* Public scope */
 781
 782         $.tablesorter = {
 783                 defaultOptions: {
 784                         cssHeader: 'headerSort',
 785                         cssAsc: 'headerSortUp',
 786                         cssDesc: 'headerSortDown',
 787                         cssChildRow: 'expand-child',
 788                         sortMultiSortKey: 'shiftKey',
 789                         unsortableClass: 'unsortable',
 790                         parsers: [],
 791                         cancelSelection: true,
 792                         sortList: [],
 793                         headerList: [],
 794                         headerToColumns: [],
 795                         columnToHeader: [],
 796                         columns: 0
 797                 },
 798
 799                 dateRegex: [],
 800                 monthNames: {},
 801
 802                 /**
 803                  * @param {jQuery} $tables
 804                  * @param {Object} [settings]
 805                  * @return {jQuery}
 806                  */
 807                 construct: function ( $tables, settings ) {
 808                         return $tables.each( function ( i, table ) {
 809                                 // Declare and cache.
 810                                 var $headers, cache, config, sortCSS, sortMsg,
 811                                         $table = $( table ),
 812                                         firstTime = true;
 813
 814                                 // Quit if no tbody
 815                                 if ( !table.tBodies ) {
 816                                         return;
 817                                 }
 818                                 if ( !table.tHead ) {
 819                                         // No thead found. Look for rows with <th>s and
 820                                         // move them into a <thead> tag or a <tfoot> tag
 821                                         emulateTHeadAndFoot( $table );
 822
 823                                         // Still no thead? Then quit
 824                                         if ( !table.tHead ) {
 825                                                 return;
 826                                         }
 827                                 }
 828                                 $table.addClass( 'jquery-tablesorter' );
 829
 830                                 // Merge and extend
 831                                 config = $.extend( {}, $.tablesorter.defaultOptions, settings );
 832
 833                                 // Save the settings where they read
 834                                 $.data( table, 'tablesorter', { config: config } );
 835
 836                                 // Get the CSS class names, could be done elsewhere
 837                                 sortCSS = [ config.cssAsc, config.cssDesc ];
 838                                 // Messages tell the the user what the *next* state will be
 839                                 // so are in reverse order to the CSS classes.
 840                                 sortMsg = [ mw.msg( 'sort-descending' ), mw.msg( 'sort-ascending' ) ];
 841
 842                                 // Build headers
 843                                 $headers = buildHeaders( table, sortMsg );
 844
 845                                 // Grab and process locale settings.
 846                                 buildTransformTable();
 847                                 buildDateTable();
 848
 849                                 // Precaching regexps can bring 10 fold
 850                                 // performance improvements in some browsers.
 851                                 cacheRegexs();
 852
 853                                 function setupForFirstSort() {
 854                                         var $tfoot, $sortbottoms;
 855
 856                                         firstTime = false;
 857
 858                                         // Defer buildCollationTable to first sort. As user and site scripts
 859                                         // may customize tableSorterCollation but load after $.ready(), other
 860                                         // scripts may call .tablesorter() before they have done the
 861                                         // tableSorterCollation customizations.
 862                                         buildCollationTable();
 863
 864                                         // Legacy fix of .sortbottoms
 865                                         // Wrap them inside a tfoot (because that's what they actually want to be)
 866                                         // and put the <tfoot> at the end of the <table>
 867                                         $sortbottoms = $table.find( '> tbody > tr.sortbottom' );
 868                                         if ( $sortbottoms.length ) {
 869                                                 $tfoot = $table.children( 'tfoot' );
 870                                                 if ( $tfoot.length ) {
 871                                                         $tfoot.eq( 0 ).prepend( $sortbottoms );
 872                                                 } else {
 873                                                         $table.append( $( '<tfoot>' ).append( $sortbottoms ) );
 874                                                 }
 875                                         }
 876
 877                                         explodeRowspans( $table );
 878                                         manageColspans( $table );
 879
 880                                         // Try to auto detect column type, and store in tables config
 881                                         config.parsers = buildParserCache( table, $headers );
 882                                 }
 883
 884                                 // Apply event handling to headers
 885                                 // this is too big, perhaps break it out?
 886                                 $headers.on( 'keypress click', function ( e ) {
 887                                         var cell, $cell, columns, newSortList, i,
 888                                                 totalRows,
 889                                                 j, s, o;
 890
 891                                         if ( e.type === 'click' && e.target.nodeName.toLowerCase() === 'a' ) {
 892                                                 // The user clicked on a link inside a table header.
 893                                                 // Do nothing and let the default link click action continue.
 894                                                 return true;
 895                                         }
 896
 897                                         if ( e.type === 'keypress' && e.which !== 13 ) {
 898                                                 // Only handle keypresses on the "Enter" key.
 899                                                 return true;
 900                                         }
 901
 902                                         if ( firstTime ) {
 903                                                 setupForFirstSort();
 904                                         }
 905
 906                                         // Build the cache for the tbody cells
 907                                         // to share between calculations for this sort action.
 908                                         // Re-calculated each time a sort action is performed due to possiblity
 909                                         // that sort values change. Shouldn't be too expensive, but if it becomes
 910                                         // too slow an event based system should be implemented somehow where
 911                                         // cells get event .change() and bubbles up to the <table> here
 912                                         cache = buildCache( table );
 913
 914                                         totalRows = ( $table[ 0 ].tBodies[ 0 ] && $table[ 0 ].tBodies[ 0 ].rows.length ) || 0;
 915                                         if ( totalRows > 0 ) {
 916                                                 cell = this;
 917                                                 $cell = $( cell );
 918
 919                                                 // Get current column sort order
 920                                                 $cell.data( {
 921                                                         order: $cell.data( 'count' ) % 2,
 922                                                         count: $cell.data( 'count' ) + 1
 923                                                 } );
 924
 925                                                 cell = this;
 926                                                 // Get current column index
 927                                                 columns = config.headerToColumns[ $cell.data( 'headerIndex' ) ];
 928                                                 newSortList = $.map( columns, function ( c ) {
 929                                                         // jQuery "helpfully" flattens the arrays...
 930                                                         return [ [ c, $cell.data( 'order' ) ] ];
 931                                                 } );
 932                                                 // Index of first column belonging to this header
 933                                                 i = columns[ 0 ];
 934
 935                                                 if ( !e[ config.sortMultiSortKey ] ) {
 936                                                         // User only wants to sort on one column set
 937                                                         // Flush the sort list and add new columns
 938                                                         config.sortList = newSortList;
 939                                                 } else {
 940                                                         // Multi column sorting
 941                                                         // It is not possible for one column to belong to multiple headers,
 942                                                         // so this is okay - we don't need to check for every value in the columns array
 943                                                         if ( isValueInArray( i, config.sortList ) ) {
 944                                                                 // The user has clicked on an already sorted column.
 945                                                                 // Reverse the sorting direction for all tables.
 946                                                                 for ( j = 0; j < config.sortList.length; j++ ) {
 947                                                                         s = config.sortList[ j ];
 948                                                                         o = config.headerList[ config.columnToHeader[ s[ 0 ] ] ];
 949                                                                         if ( isValueInArray( s[ 0 ], newSortList ) ) {
 950                                                                                 $( o ).data( 'count', s[ 1 ] + 1 );
 951                                                                                 s[ 1 ] = $( o ).data( 'count' ) % 2;
 952                                                                         }
 953                                                                 }
 954                                                         } else {
 955                                                                 // Add columns to sort list array
 956                                                                 config.sortList = config.sortList.concat( newSortList );
 957                                                         }
 958                                                 }
 959
 960                                                 // Reset order/counts of cells not affected by sorting
 961                                                 setHeadersOrder( $headers, config.sortList, config.headerToColumns );
 962
 963                                                 // Set CSS for headers
 964                                                 setHeadersCss( $table[ 0 ], $headers, config.sortList, sortCSS, sortMsg, config.columnToHeader );
 965                                                 appendToTable(
 966                                                         $table[ 0 ], multisort( $table[ 0 ], config.sortList, cache )
 967                                                 );
 968
 969                                                 // Stop normal event by returning false
 970                                                 return false;
 971                                         }
 972
 973                                 // Cancel selection
 974                                 } ).mousedown( function () {
 975                                         if ( config.cancelSelection ) {
 976                                                 this.onselectstart = function () {
 977                                                         return false;
 978                                                 };
 979                                                 return false;
 980                                         }
 981                                 } );
 982
 983                                 /**
 984                                  * Sorts the table. If no sorting is specified by passing a list of sort
 985                                  * objects, the table is sorted according to the initial sorting order.
 986                                  * Passing an empty array will reset sorting (basically just reset the headers
 987                                  * making the table appear unsorted).
 988                                  *
 989                                  * @param {Array} [sortList] List of sort objects.
 990                                  */
 991                                 $table.data( 'tablesorter' ).sort = function ( sortList ) {
 992
 993                                         if ( firstTime ) {
 994                                                 setupForFirstSort();
 995                                         }
 996
 997                                         if ( sortList === undefined ) {
 998                                                 sortList = config.sortList;
 999                                         } else if ( sortList.length > 0 ) {
1000                                                 sortList = convertSortList( sortList );
1001                                         }
1002
1003                                         // Set each column's sort count to be able to determine the correct sort
1004                                         // order when clicking on a header cell the next time
1005                                         setHeadersOrder( $headers, sortList, config.headerToColumns );
1006
1007                                         // re-build the cache for the tbody cells
1008                                         cache = buildCache( table );
1009
1010                                         // set css for headers
1011                                         setHeadersCss( table, $headers, sortList, sortCSS, sortMsg, config.columnToHeader );
1012
1013                                         // sort the table and append it to the dom
1014                                         appendToTable( table, multisort( table, sortList, cache ) );
1015                                 };
1016
1017                                 // sort initially
1018                                 if ( config.sortList.length > 0 ) {
1019                                         config.sortList = convertSortList( config.sortList );
1020                                         $table.data( 'tablesorter' ).sort();
1021                                 }
1022
1023                         } );
1024                 },
1025
1026                 addParser: function ( parser ) {
1027                         if ( !getParserById( parser.id ) ) {
1028                                 parsers.push( parser );
1029                         }
1030                 },
1031
1032                 formatDigit: function ( s ) {
1033                         var out, c, p, i;
1034                         if ( ts.transformTable !== false ) {
1035                                 out = '';
1036                                 for ( p = 0; p < s.length; p++ ) {
1037                                         c = s.charAt( p );
1038                                         if ( c in ts.transformTable ) {
1039                                                 out += ts.transformTable[ c ];
1040                                         } else {
1041                                                 out += c;
1042                                         }
1043                                 }
1044                                 s = out;
1045                         }
1046                         i = parseFloat( s.replace( /[, ]/g, '' ).replace( '\u2212', '-' ) );
1047                         return isNaN( i ) ? -Infinity : i;
1048                 },
1049
1050                 formatFloat: function ( s ) {
1051                         var i = parseFloat( s );
1052                         return isNaN( i ) ? -Infinity : i;
1053                 },
1054
1055                 formatInt: function ( s ) {
1056                         var i = parseInt( s, 10 );
1057                         return isNaN( i ) ? -Infinity : i;
1058                 },
1059
1060                 clearTableBody: function ( table ) {
1061                         $( table.tBodies[ 0 ] ).empty();
1062                 },
1063
1064                 getParser: function ( id ) {
1065                         buildTransformTable();
1066                         buildDateTable();
1067                         cacheRegexs();
1068                         buildCollationTable();
1069
1070                         return getParserById( id );
1071                 },
1072
1073                 getParsers: function () { // for table diagnosis
1074                         return parsers;
1075                 }
1076         };
1077
1078         // Shortcut
1079         ts = $.tablesorter;
1080
1081         // Register as jQuery prototype method
1082         $.fn.tablesorter = function ( settings ) {
1083                 return ts.construct( this, settings );
1084         };
1085
1086         // Add default parsers
1087         ts.addParser( {
1088                 id: 'text',
1089                 is: function () {
1090                         return true;
1091                 },
1092                 format: function ( s ) {
1093                         var tsc;
1094                         s = $.trim( s.toLowerCase() );
1095                         if ( ts.collationRegex ) {
1096                                 tsc = ts.collationTable;
1097                                 s = s.replace( ts.collationRegex, function ( match ) {
1098                                         var r = tsc[ match ] ? tsc[ match ] : tsc[ match.toUpperCase() ];
1099                                         return r.toLowerCase();
1100                                 } );
1101                         }
1102                         return s;
1103                 },
1104                 type: 'text'
1105         } );
1106
1107         ts.addParser( {
1108                 id: 'IPAddress',
1109                 is: function ( s ) {
1110                         return ts.rgx.IPAddress[ 0 ].test( s );
1111                 },
1112                 format: function ( s ) {
1113                         var i, item,
1114                                 a = s.split( '.' ),
1115                                 r = '';
1116                         for ( i = 0; i < a.length; i++ ) {
1117                                 item = a[ i ];
1118                                 if ( item.length === 1 ) {
1119                                         r += '00' + item;
1120                                 } else if ( item.length === 2 ) {
1121                                         r += '0' + item;
1122                                 } else {
1123                                         r += item;
1124                                 }
1125                         }
1126                         return $.tablesorter.formatFloat( r );
1127                 },
1128                 type: 'numeric'
1129         } );
1130
1131         ts.addParser( {
1132                 id: 'currency',
1133                 is: function ( s ) {
1134                         return ts.rgx.currency[ 0 ].test( s );
1135                 },
1136                 format: function ( s ) {
1137                         return $.tablesorter.formatDigit( s.replace( ts.rgx.currency[ 1 ], '' ) );
1138                 },
1139                 type: 'numeric'
1140         } );
1141
1142         ts.addParser( {
1143                 id: 'url',
1144                 is: function ( s ) {
1145                         return ts.rgx.url[ 0 ].test( s );
1146                 },
1147                 format: function ( s ) {
1148                         return $.trim( s.replace( ts.rgx.url[ 1 ], '' ) );
1149                 },
1150                 type: 'text'
1151         } );
1152
1153         ts.addParser( {
1154                 id: 'isoDate',
1155                 is: function ( s ) {
1156                         return ts.rgx.isoDate[ 0 ].test( s );
1157                 },
1158                 format: function ( s ) {
1159                         var match, i, isodate, ms, hOffset, mOffset;
1160                         match = s.match( ts.rgx.isoDate[ 0 ] );
1161                         if ( match === null ) {
1162                                 // Otherwise a signed number with 1-4 digit is parsed as isoDate
1163                                 match = s.match( ts.rgx.isoDate[ 1 ] );
1164                         }
1165                         if ( !match ) {
1166                                 return -Infinity;
1167                         }
1168                         // Month and day
1169                         for ( i = 2; i <= 4; i += 2 ) {
1170                                 if ( !match[ i ] || match[ i ].length === 0 ) {
1171                                         match[ i ] = 1;
1172                                 }
1173                         }
1174                         // Time
1175                         for ( i = 6; i <= 15; i++ ) {
1176                                 if ( !match[ i ] || match[ i ].length === 0 ) {
1177                                         match[ i ] = '0';
1178                                 }
1179                         }
1180                         ms = parseFloat( match[ 11 ].replace( /,/, '.' ) ) * 1000;
1181                         hOffset = $.tablesorter.formatInt( match[ 13 ] + match[ 14 ] );
1182                         mOffset = $.tablesorter.formatInt( match[ 13 ] + match[ 15 ] );
1183
1184                         isodate = new Date( 0 );
1185                         // Because Date constructor changes year 0-99 to 1900-1999, use setUTCFullYear()
1186                         isodate.setUTCFullYear( match[ 1 ], match[ 2 ] - 1, match[ 4 ] );
1187                         isodate.setUTCHours( match[ 6 ] - hOffset, match[ 8 ] - mOffset, match[ 10 ], ms );
1188                         return isodate.getTime();
1189                 },
1190                 type: 'numeric'
1191         } );
1192
1193         ts.addParser( {
1194                 id: 'usLongDate',
1195                 is: function ( s ) {
1196                         return ts.rgx.usLongDate[ 0 ].test( s );
1197                 },
1198                 format: function ( s ) {
1199                         return $.tablesorter.formatFloat( new Date( s ).getTime() );
1200                 },
1201                 type: 'numeric'
1202         } );
1203
1204         ts.addParser( {
1205                 id: 'date',
1206                 is: function ( s ) {
1207                         return ( ts.dateRegex[ 0 ].test( s ) || ts.dateRegex[ 1 ].test( s ) || ts.dateRegex[ 2 ].test( s ) );
1208                 },
1209                 format: function ( s ) {
1210                         var match, y;
1211                         s = $.trim( s.toLowerCase() );
1212
1213                         if ( ( match = s.match( ts.dateRegex[ 0 ] ) ) !== null ) {
1214                                 if ( mw.config.get( 'wgDefaultDateFormat' ) === 'mdy' || mw.config.get( 'wgPageContentLanguage' ) === 'en' ) {
1215                                         s = [ match[ 3 ], match[ 1 ], match[ 2 ] ];
1216                                 } else if ( mw.config.get( 'wgDefaultDateFormat' ) === 'dmy' ) {
1217                                         s = [ match[ 3 ], match[ 2 ], match[ 1 ] ];
1218                                 } else {
1219                                         // If we get here, we don't know which order the dd-dd-dddd
1220                                         // date is in. So return something not entirely invalid.
1221                                         return '99999999';
1222                                 }
1223                         } else if ( ( match = s.match( ts.dateRegex[ 1 ] ) ) !== null ) {
1224                                 s = [ match[ 3 ], String( ts.monthNames[ match[ 2 ] ] ), match[ 1 ] ];
1225                         } else if ( ( match = s.match( ts.dateRegex[ 2 ] ) ) !== null ) {
1226                                 s = [ match[ 3 ], String( ts.monthNames[ match[ 1 ] ] ), match[ 2 ] ];
1227                         } else {
1228                                 // Should never get here
1229                                 return '99999999';
1230                         }
1231
1232                         // Pad Month and Day
1233                         if ( s[ 1 ].length === 1 ) {
1234                                 s[ 1 ] = '0' + s[ 1 ];
1235                         }
1236                         if ( s[ 2 ].length === 1 ) {
1237                                 s[ 2 ] = '0' + s[ 2 ];
1238                         }
1239
1240                         if ( ( y = parseInt( s[ 0 ], 10 ) ) < 100 ) {
1241                                 // Guestimate years without centuries
1242                                 if ( y < 30 ) {
1243                                         s[ 0 ] = 2000 + y;
1244                                 } else {
1245                                         s[ 0 ] = 1900 + y;
1246                                 }
1247                         }
1248                         while ( s[ 0 ].length < 4 ) {
1249                                 s[ 0 ] = '0' + s[ 0 ];
1250                         }
1251                         return parseInt( s.join( '' ), 10 );
1252                 },
1253                 type: 'numeric'
1254         } );
1255
1256         ts.addParser( {
1257                 id: 'time',
1258                 is: function ( s ) {
1259                         return ts.rgx.time[ 0 ].test( s );
1260                 },
1261                 format: function ( s ) {
1262                         return $.tablesorter.formatFloat( new Date( '2000/01/01 ' + s ).getTime() );
1263                 },
1264                 type: 'numeric'
1265         } );
1266
1267         ts.addParser( {
1268                 id: 'number',
1269                 is: function ( s ) {
1270                         return $.tablesorter.numberRegex.test( $.trim( s ) );
1271                 },
1272                 format: function ( s ) {
1273                         return $.tablesorter.formatDigit( s );
1274                 },
1275                 type: 'numeric'
1276         } );
1277
1278 }( jQuery, mediaWiki ) );