resources/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, wgMonthNames, wgMonthNamesShort,
  12  * wgDefaultDateFormat, wgContentLanguage)
  13  * Uses 'tableSorterCollation' in mw.config (if available)
  14  */
  15 /**
  16  *
  17  * @description Create a sortable table with multi-column sorting capabilitys
  18  *
  19  * @example $( 'table' ).tablesorter();
  20  * @desc Create a simple tablesorter interface.
  21  *
  22  * @option String cssHeader ( optional ) A string of the class name to be appended
  23  *         to sortable tr elements in the thead of the table. Default value:
  24  *         "header"
  25  *
  26  * @option String cssAsc ( optional ) A string of the class name to be appended to
  27  *         sortable tr elements in the thead on a ascending sort. Default value:
  28  *         "headerSortUp"
  29  *
  30  * @option String cssDesc ( optional ) A string of the class name to be appended
  31  *         to sortable tr elements in the thead on a descending sort. Default
  32  *         value: "headerSortDown"
  33  *
  34  * @option String sortInitialOrder ( optional ) A string of the inital sorting
  35  *         order can be asc or desc. Default value: "asc"
  36  *
  37  * @option String sortMultisortKey ( optional ) A string of the multi-column sort
  38  *         key. Default value: "shiftKey"
  39  *
  40  * @option Boolean sortLocaleCompare ( optional ) Boolean flag indicating whatever
  41  *         to use String.localeCampare method or not. Set to false.
  42  *
  43  * @option Boolean cancelSelection ( optional ) Boolean flag indicating if
  44  *         tablesorter should cancel selection of the table headers text.
  45  *         Default value: true
  46  *
  47  * @option Boolean debug ( optional ) Boolean flag indicating if tablesorter
  48  *         should display debuging information usefull for development.
  49  *
  50  * @type jQuery
  51  *
  52  * @name tablesorter
  53  *
  54  * @cat Plugins/Tablesorter
  55  *
  56  * @author Christian Bach/christian.bach@polyester.se
  57  */
  58
  59 ( function( $ ) {
  60
  61         /* Local scope */
  62
  63         var     ts,
  64                 parsers = [];
  65
  66         /* Parser utility functions */
  67
  68         function getParserById( name ) {
  69                 var len = parsers.length;
  70                 for ( var i = 0; i < len; i++ ) {
  71                         if ( parsers[i].id.toLowerCase() === name.toLowerCase() ) {
  72                                 return parsers[i];
  73                         }
  74                 }
  75                 return false;
  76         }
  77
  78         function getElementText( node ) {
  79                 var $node = $( node ),
  80                         data = $node.attr( 'data-sort-value' );
  81                 if ( data !== undefined ) {
  82                         return data;
  83                 } else {
  84                         return $node.text();
  85                 }
  86         }
  87
  88         function getTextFromRowAndCellIndex( rows, rowIndex, cellIndex ) {
  89                 if ( rows[rowIndex] && rows[rowIndex].cells[cellIndex] ) {
  90                         return $.trim( getElementText( rows[rowIndex].cells[cellIndex] ) );
  91                 } else {
  92                         return '';
  93                 }
  94         }
  95
  96         function detectParserForColumn( table, rows, cellIndex ) {
  97                 var     l = parsers.length,
  98                         nodeValue,
  99                         // Start with 1 because 0 is the fallback parser
 100                         i = 1,
 101                         rowIndex = 0,
 102                         concurrent = 0,
 103                         needed = ( rows.length > 4 ) ? 5 : rows.length;
 104
 105                 while( i < l ) {
 106                         nodeValue = getTextFromRowAndCellIndex( rows, rowIndex, cellIndex );
 107                         if ( nodeValue !== '') {
 108                                 if ( parsers[i].is( nodeValue, table ) ) {
 109                                         concurrent++;
 110                                         rowIndex++;
 111                                         if ( concurrent >= needed ) {
 112                                                 // Confirmed the parser for multiple cells, let's return it
 113                                                 return parsers[i];
 114                                         }
 115                                 } else {
 116                                         // Check next parser, reset rows
 117                                         i++;
 118                                         rowIndex = 0;
 119                                         concurrent = 0;
 120                                 }
 121                         } else {
 122                                 // Empty cell
 123                                 rowIndex++;
 124                                 if ( rowIndex > rows.length ) {
 125                                         rowIndex = 0;
 126                                         i++;
 127                                 }
 128                         }
 129                 }
 130
 131                 // 0 is always the generic parser (text)
 132                 return parsers[0];
 133         }
 134
 135         function buildParserCache( table, $headers ) {
 136                 var     rows = table.tBodies[0].rows,
 137                         sortType,
 138                         parsers = [];
 139
 140                 if ( rows[0] ) {
 141
 142                         var     cells = rows[0].cells,
 143                                 len = cells.length,
 144                                 i, parser;
 145
 146                         for ( i = 0; i < len; i++ ) {
 147                                 parser = false;
 148                                 sortType = $headers.eq( i ).data( 'sort-type' );
 149                                 if ( sortType !== undefined ) {
 150                                         parser = getParserById( sortType );
 151                                 }
 152
 153                                 if ( parser === false ) {
 154                                         parser = detectParserForColumn( table, rows, i );
 155                                 }
 156
 157                                 parsers.push( parser );
 158                         }
 159                 }
 160                 return parsers;
 161         }
 162
 163         /* Other utility functions */
 164
 165         function buildCache( table ) {
 166                 var     totalRows = ( table.tBodies[0] && table.tBodies[0].rows.length ) || 0,
 167                         totalCells = ( table.tBodies[0].rows[0] && table.tBodies[0].rows[0].cells.length ) || 0,
 168                         parsers = table.config.parsers,
 169                         cache = {
 170                                 row: [],
 171                                 normalized: []
 172                         };
 173
 174                 for ( var i = 0; i < totalRows; ++i ) {
 175
 176                         // Add the table data to main data array
 177                         var     $row = $( table.tBodies[0].rows[i] ),
 178                                 cols = [];
 179
 180                         // if this is a child row, add it to the last row's children and
 181                         // continue to the next row
 182                         if ( $row.hasClass( table.config.cssChildRow ) ) {
 183                                 cache.row[cache.row.length - 1] = cache.row[cache.row.length - 1].add( $row );
 184                                 // go to the next for loop
 185                                 continue;
 186                         }
 187
 188                         cache.row.push( $row );
 189
 190                         for ( var j = 0; j < totalCells; ++j ) {
 191                                 cols.push( parsers[j].format( getElementText( $row[0].cells[j] ), table, $row[0].cells[j] ) );
 192                         }
 193
 194                         cols.push( cache.normalized.length ); // add position for rowCache
 195                         cache.normalized.push( cols );
 196                         cols = null;
 197                 }
 198
 199                 return cache;
 200         }
 201
 202         function appendToTable( table, cache ) {
 203                 var     row = cache.row,
 204                         normalized = cache.normalized,
 205                         totalRows = normalized.length,
 206                         checkCell = ( normalized[0].length - 1 ),
 207                         fragment = document.createDocumentFragment();
 208
 209                 for ( var i = 0; i < totalRows; i++ ) {
 210                         var pos = normalized[i][checkCell];
 211
 212                         var l = row[pos].length;
 213
 214                         for ( var j = 0; j < l; j++ ) {
 215                                 fragment.appendChild( row[pos][j] );
 216                         }
 217
 218                 }
 219                 table.tBodies[0].appendChild( fragment );
 220         }
 221
 222         /**
 223          * Find all header rows in a thead-less table and put them in a <thead> tag.
 224          * This only treats a row as a header row if it contains only <th>s (no <td>s)
 225          * and if it is preceded entirely by header rows. The algorithm stops when
 226          * it encounters the first non-header row.
 227          * @param $table jQuery object for a <table>
 228          */
 229         function emulateTHead( $table ) {
 230                 var $thead = $( '<thead>' );
 231                 $table.find( 'tr' ).each( function() {
 232                         if ( $(this).find( 'td' ).length > 0 ) {
 233                                 // This row contains a <td>, so it's not a header row
 234                                 // Stop here
 235                                 return false;
 236                         }
 237                         $thead.append( this );
 238                 } );
 239                 $table.prepend( $thead );
 240         }
 241
 242         function buildHeaders( table, msg ) {
 243                 var     maxSeen = 0,
 244                         longest,
 245                         realCellIndex = 0,
 246                         $tableHeaders = $( 'thead:eq(0) tr', table );
 247                 if ( $tableHeaders.length > 1 ) {
 248                         $tableHeaders.each( function() {
 249                                 if ( this.cells.length > maxSeen ) {
 250                                         maxSeen = this.cells.length;
 251                                         longest = this;
 252                                 }
 253                         });
 254                         $tableHeaders = $( longest );
 255                 }
 256                 $tableHeaders = $tableHeaders.find( 'th' ).each( function( index ) {
 257                         this.column = realCellIndex;
 258
 259                         var colspan = this.colspan;
 260                         colspan = colspan ? parseInt( colspan, 10 ) : 1;
 261                         realCellIndex += colspan;
 262
 263                         this.order = 0;
 264                         this.count = 0;
 265
 266                         if ( $( this ).is( '.unsortable' ) ) {
 267                                 this.sortDisabled = true;
 268                         }
 269
 270                         if ( !this.sortDisabled ) {
 271                                 var $th = $( this ).addClass( table.config.cssHeader ).attr( 'title', msg[1] );
 272                         }
 273
 274                         // add cell to headerList
 275                         table.config.headerList[index] = this;
 276                 } );
 277
 278                 return $tableHeaders;
 279
 280         }
 281
 282         function isValueInArray( v, a ) {
 283                 var l = a.length;
 284                 for ( var i = 0; i < l; i++ ) {
 285                         if ( a[i][0] == v ) {
 286                                 return true;
 287                         }
 288                 }
 289                 return false;
 290         }
 291
 292         function setHeadersCss( table, $headers, list, css, msg ) {
 293                 // Remove all header information
 294                 $headers.removeClass( css[0] ).removeClass( css[1] );
 295
 296                 var h = [];
 297                 $headers.each( function( offset ) {
 298                         if ( !this.sortDisabled ) {
 299                                 h[this.column] = $( this );
 300                         }
 301                 } );
 302
 303                 var l = list.length;
 304                 for ( var i = 0; i < l; i++ ) {
 305                         h[ list[i][0] ].addClass( css[ list[i][1] ] ).attr( 'title', msg[ list[i][1] ] );
 306                 }
 307         }
 308
 309         function sortText( a, b ) {
 310                 return ( (a < b) ? false : ((a > b) ? true : 0) );
 311         }
 312
 313         function sortTextDesc( a, b ) {
 314                 return ( (b < a) ? false : ((b > a) ? true : 0) );
 315         }
 316
 317         function checkSorting( array1, array2, sortList ) {
 318                 var col, fn, ret;
 319                 for ( var i = 0, len = sortList.length; i < len; i++ ) {
 320                         col = sortList[i][0];
 321                         fn = ( sortList[i][1] ) ? sortTextDesc : sortText;
 322                         ret = fn.call( this, array1[col], array2[col] );
 323                         if ( ret !== 0 ) {
 324                                 return ret;
 325                         }
 326                 }
 327                 return ret;
 328         }
 329
 330         // Merge sort algorithm
 331         // Based on http://en.literateprograms.org/Merge_sort_(JavaScript)
 332         function mergeSortHelper( array, begin, beginRight, end, sortList ) {
 333                 for ( ; begin < beginRight; ++begin ) {
 334                         if ( checkSorting( array[begin], array[beginRight], sortList ) ) {
 335                                 var v = array[begin];
 336                                 array[begin] = array[beginRight];
 337                                 var begin2 = beginRight;
 338                                 while ( begin2 + 1 < end && checkSorting( v, array[begin2 + 1], sortList ) ) {
 339                                         var tmp = array[begin2];
 340                                         array[begin2] = array[begin2 + 1];
 341                                         array[begin2 + 1] = tmp;
 342                                         ++begin2;
 343                                 }
 344                                 array[begin2] = v;
 345                         }
 346                 }
 347         }
 348
 349         function mergeSort(array, begin, end, sortList) {
 350                 var size = end - begin;
 351                 if ( size < 2 ) {
 352                         return;
 353                 }
 354
 355                 var beginRight = begin + Math.floor(size / 2);
 356
 357                 mergeSort( array, begin, beginRight, sortList );
 358                 mergeSort( array, beginRight, end, sortList );
 359                 mergeSortHelper( array, begin, beginRight, end, sortList );
 360         }
 361
 362         function multisort( table, sortList, cache ) {
 363                 var i = sortList.length;
 364                 mergeSort( cache.normalized, 0, cache.normalized.length, sortList );
 365
 366                 return cache;
 367         }
 368
 369         function buildTransformTable() {
 370                 var digits = '0123456789,.'.split( '' );
 371                 var separatorTransformTable = mw.config.get( 'wgSeparatorTransformTable' );
 372                 var digitTransformTable = mw.config.get( 'wgDigitTransformTable' );
 373                 if ( separatorTransformTable === null || ( separatorTransformTable[0] === '' && digitTransformTable[2] === '' ) ) {
 374                         ts.transformTable = false;
 375                 } else {
 376                         ts.transformTable = {};
 377
 378                         // Unpack the transform table
 379                         var ascii = separatorTransformTable[0].split( "\t" ).concat( digitTransformTable[0].split( "\t" ) );
 380                         var localised = separatorTransformTable[1].split( "\t" ).concat( digitTransformTable[1].split( "\t" ) );
 381
 382                         // Construct regex for number identification
 383                         for ( var i = 0; i < ascii.length; i++ ) {
 384                                 ts.transformTable[localised[i]] = ascii[i];
 385                                 digits.push( $.escapeRE( localised[i] ) );
 386                         }
 387                 }
 388                 var digitClass = '[' + digits.join( '', digits ) + ']';
 389
 390                 // We allow a trailing percent sign, which we just strip. This works fine
 391                 // if percents and regular numbers aren't being mixed.
 392                 ts.numberRegex = new RegExp("^(" + "[-+\u2212]?[0-9][0-9,]*(\\.[0-9,]*)?(E[-+\u2212]?[0-9][0-9,]*)?" + // Fortran-style scientific
 393                 "|" + "[-+\u2212]?" + digitClass + "+[\\s\\xa0]*%?" + // Generic localised
 394                 ")$", "i");
 395         }
 396
 397         function buildDateTable() {
 398                 var regex = [];
 399                 ts.monthNames = [
 400                         [],
 401                         []
 402                 ];
 403
 404                 for ( var i = 1; i < 13; i++ ) {
 405                         ts.monthNames[0][i] = mw.config.get( 'wgMonthNames' )[i].toLowerCase();
 406                         ts.monthNames[1][i] = mw.config.get( 'wgMonthNamesShort' )[i].toLowerCase().replace( '.', '' );
 407                         regex.push( $.escapeRE( ts.monthNames[0][i] ) );
 408                         regex.push( $.escapeRE( ts.monthNames[1][i] ) );
 409                 }
 410
 411                 // Build piped string
 412                 regex = regex.join( '|' );
 413
 414                 // Build RegEx
 415                 // Any date formated with . , ' - or /
 416                 ts.dateRegex[0] = new RegExp( /^\s*\d{1,2}[\,\.\-\/'\s]{1,2}\d{1,2}[\,\.\-\/'\s]{1,2}\d{2,4}\s*?/i);
 417
 418                 // Written Month name, dmy
 419                 ts.dateRegex[1] = new RegExp( '^\\s*\\d{1,2}[\\,\\.\\-\\/\'\\s]*(' + regex + ')' + '[\\,\\.\\-\\/\'\\s]*\\d{2,4}\\s*$', 'i' );
 420
 421                 // Written Month name, mdy
 422                 ts.dateRegex[2] = new RegExp( '^\\s*(' + regex + ')' + '[\\,\\.\\-\\/\'\\s]*\\d{1,2}[\\,\\.\\-\\/\'\\s]*\\d{2,4}\\s*$', 'i' );
 423
 424         }
 425
 426         function explodeRowspans( $table ) {
 427                 // Split multi row cells into multiple cells with the same content
 428                 $table.find( '[rowspan]' ).each(function() {
 429                         var rowSpan = this.rowSpan;
 430                         this.rowSpan = 1;
 431                         var cell = $( this );
 432                         var next = cell.parent().nextAll();
 433                         for ( var i = 0; i < rowSpan - 1; i++ ) {
 434                                 var td = next.eq( i ).find( 'td' );
 435                                 if ( !td.length ) {
 436                                         next.eq( i ).append( cell.clone() );
 437                                 } else if ( this.cellIndex === 0 ) {
 438                                         td.eq( this.cellIndex ).before( cell.clone() );
 439                                 } else {
 440                                         td.eq( this.cellIndex - 1 ).after( cell.clone() );
 441                                 }
 442                         }
 443                 });
 444         }
 445
 446         function buildCollationTable() {
 447                 ts.collationTable = mw.config.get( 'tableSorterCollation' );
 448                 ts.collationRegex = null;
 449                 if ( ts.collationTable ) {
 450                         var keys = [];
 451
 452                         // Build array of key names
 453                         for ( var key in ts.collationTable ) {
 454                                 if ( ts.collationTable.hasOwnProperty(key) ) { //to be safe
 455                                         keys.push(key);
 456                                 }
 457                         }
 458                         if (keys.length) {
 459                                 ts.collationRegex = new RegExp( '[' + keys.join( '' ) + ']', 'ig' );
 460                         }
 461                 }
 462         }
 463
 464         function cacheRegexs() {
 465                 if ( ts.rgx ) {
 466                         return;
 467                 }
 468                 ts.rgx = {
 469                         IPAddress: [
 470                                 new RegExp( /^\d{1,3}[\.]\d{1,3}[\.]\d{1,3}[\.]\d{1,3}$/)
 471                         ],
 472                         currency: [
 473                                 new RegExp( /^[£$€?.]/),
 474                                 new RegExp( /[£$€]/g)
 475                         ],
 476                         url: [
 477                                 new RegExp( /^(https?|ftp|file):\/\/$/),
 478                                 new RegExp( /(https?|ftp|file):\/\//)
 479                         ],
 480                         isoDate: [
 481                                 new RegExp( /^\d{4}[\/\-]\d{1,2}[\/\-]\d{1,2}$/)
 482                         ],
 483                         usLongDate: [
 484                                 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)))$/)
 485                         ],
 486                         time: [
 487                                 new RegExp( /^(([0-2]?[0-9]:[0-5][0-9])|([0-1]?[0-9]:[0-5][0-9]\s(am|pm)))$/)
 488                         ]
 489                 };
 490         }
 491
 492         /* Public scope */
 493
 494         $.tablesorter = {
 495
 496                         defaultOptions: {
 497                                 cssHeader: 'headerSort',
 498                                 cssAsc: 'headerSortUp',
 499                                 cssDesc: 'headerSortDown',
 500                                 cssChildRow: 'expand-child',
 501                                 sortInitialOrder: 'asc',
 502                                 sortMultiSortKey: 'shiftKey',
 503                                 sortLocaleCompare: false,
 504                                 parsers: {},
 505                                 widgets: [],
 506                                 headers: {},
 507                                 cancelSelection: true,
 508                                 sortList: [],
 509                                 headerList: [],
 510                                 selectorHeaders: 'thead tr:eq(0) th',
 511                                 debug: false
 512                         },
 513
 514                         dateRegex: [],
 515                         monthNames: [],
 516
 517                         /**
 518                          * @param $tables {jQuery}
 519                          * @param settings {Object} (optional)
 520                          */
 521                         construct: function( $tables, settings ) {
 522                                 return $tables.each( function( i, table ) {
 523                                         // Declare and cache.
 524                                         var     $document, $headers, cache, config, sortOrder,
 525                                                 $table = $( table ),
 526                                                 shiftDown = 0,
 527                                                 firstTime = true;
 528
 529                                         // Quit if no tbody
 530                                         if ( !table.tBodies ) {
 531                                                 return;
 532                                         }
 533                                         if ( !table.tHead ) {
 534                                                 // No thead found. Look for rows with <th>s and
 535                                                 // move them into a <thead> tag
 536                                                 emulateTHead( $table );
 537
 538                                                 // Still no thead? Then quit
 539                                                 if ( !table.tHead ) {
 540                                                         return;
 541                                                 }
 542                                         }
 543
 544                                         // New config object.
 545                                         table.config = {};
 546
 547                                         // Merge and extend.
 548                                         config = $.extend( table.config, $.tablesorter.defaultOptions, settings );
 549
 550                                         // Save the settings where they read
 551                                         $.data( table, 'tablesorter', config );
 552
 553                                         // Get the CSS class names, could be done else where.
 554                                         var sortCSS = [ config.cssDesc, config.cssAsc ];
 555                                         var sortMsg = [ mw.msg( 'sort-descending' ), mw.msg( 'sort-ascending' ) ];
 556
 557                                         // Build headers
 558                                         $headers = buildHeaders( table, sortMsg );
 559
 560                                         // Grab and process locale settings
 561                                         buildTransformTable();
 562                                         buildDateTable();
 563                                         buildCollationTable();
 564
 565                                         // Precaching regexps can bring 10 fold
 566                                         // performance improvements in some browsers.
 567                                         cacheRegexs();
 568
 569                                         // Apply event handling to headers
 570                                         // this is to big, perhaps break it out?
 571                                         $headers.click( function( e ) {
 572
 573                                                 if ( firstTime ) {
 574                                                         firstTime = false;
 575
 576                                                         // Legacy fix of .sortbottoms
 577                                                         // Wrap them inside inside a tfoot (because that's what they actually want to be) &
 578                                                         // and put the <tfoot> at the end of the <table>
 579                                                         var $sortbottoms = $table.find( 'tr.sortbottom' );
 580                                                         if ( $sortbottoms.length ) {
 581                                                                 $table.append( $( '<tfoot>' ).append( $sortbottoms ) )
 582                                                         }
 583
 584                                                         explodeRowspans( $table );
 585                                                         // try to auto detect column type, and store in tables config
 586                                                         table.config.parsers = buildParserCache( table, $headers );
 587                                                         // build the cache for the tbody cells
 588                                                         cache = buildCache( table );
 589                                                 }
 590                                                 var totalRows = ( $table[0].tBodies[0] && $table[0].tBodies[0].rows.length ) || 0;
 591                                                 if ( !table.sortDisabled && totalRows > 0 ) {
 592
 593                                                         // Cache jQuery object
 594                                                         var $cell = $( this );
 595
 596                                                         // Get current column index
 597                                                         var i = this.column;
 598
 599                                                         // Get current column sort order
 600                                                         this.order = this.count % 2;
 601                                                         this.count++;
 602
 603                                                         // User only wants to sort on one column
 604                                                         if ( !e[config.sortMultiSortKey] ) {
 605                                                                 // Flush the sort list
 606                                                                 config.sortList = [];
 607                                                                 // Add column to sort list
 608                                                                 config.sortList.push( [i, this.order] );
 609
 610                                                         // Multi column sorting
 611                                                         } else {
 612                                                                 // The user has clicked on an already sorted column.
 613                                                                 if ( isValueInArray( i, config.sortList ) ) {
 614                                                                         // Reverse the sorting direction for all tables.
 615                                                                         for ( var j = 0; j < config.sortList.length; j++ ) {
 616                                                                                 var s = config.sortList[j],
 617                                                                                         o = config.headerList[s[0]];
 618                                                                                 if ( s[0] == i ) {
 619                                                                                         o.count = s[1];
 620                                                                                         o.count++;
 621                                                                                         s[1] = o.count % 2;
 622                                                                                 }
 623                                                                         }
 624                                                                 } else {
 625                                                                         // Add column to sort list array
 626                                                                         config.sortList.push( [i, this.order] );
 627                                                                 }
 628                                                         }
 629
 630                                                         // Set CSS for headers
 631                                                         setHeadersCss( $table[0], $headers, config.sortList, sortCSS, sortMsg );
 632                                                         appendToTable(
 633                                                                 $table[0], multisort( $table[0], config.sortList, cache )
 634                                                         );
 635
 636                                                         // Stop normal event by returning false
 637                                                         return false;
 638                                                 }
 639
 640                                         // Cancel selection
 641                                         } ).mousedown( function() {
 642                                                 if ( config.cancelSelection ) {
 643                                                         this.onselectstart = function() {
 644                                                                 return false;
 645                                                         };
 646                                                         return false;
 647                                                 }
 648                                         } );
 649
 650                                 } );
 651                         },
 652
 653                         addParser: function( parser ) {
 654                                 var     l = parsers.length,
 655                                         a = true;
 656                                 for ( var i = 0; i < l; i++ ) {
 657                                         if ( parsers[i].id.toLowerCase() == parser.id.toLowerCase() ) {
 658                                                 a = false;
 659                                         }
 660                                 }
 661                                 if ( a ) {
 662                                         parsers.push( parser );
 663                                 }
 664                         },
 665
 666                         formatDigit: function( s ) {
 667                                 if ( ts.transformTable !== false ) {
 668                                         var     out = '',
 669                                                 c;
 670                                         for ( var p = 0; p < s.length; p++ ) {
 671                                                 c = s.charAt(p);
 672                                                 if ( c in ts.transformTable ) {
 673                                                         out += ts.transformTable[c];
 674                                                 } else {
 675                                                         out += c;
 676                                                 }
 677                                         }
 678                                         s = out;
 679                                 }
 680                                 var i = parseFloat( s.replace( /[, ]/g, '' ).replace( "\u2212", '-' ) );
 681                                 return ( isNaN(i)) ? 0 : i;
 682                         },
 683
 684                         formatFloat: function( s ) {
 685                                 var i = parseFloat(s);
 686                                 return ( isNaN(i)) ? 0 : i;
 687                         },
 688
 689                         formatInt: function( s ) {
 690                                 var i = parseInt( s, 10 );
 691                                 return ( isNaN(i)) ? 0 : i;
 692                         },
 693
 694                         clearTableBody: function( table ) {
 695                                 if ( $.browser.msie ) {
 696                                         var empty = function( el ) {
 697                                                 while ( el.firstChild ) {
 698                                                         el.removeChild( el.firstChild );
 699                                                 }
 700                                         };
 701                                         empty( table.tBodies[0] );
 702                                 } else {
 703                                         table.tBodies[0].innerHTML = '';
 704                                 }
 705                         }
 706                 };
 707
 708         // Shortcut
 709         ts = $.tablesorter;
 710
 711         // Register as jQuery prototype method
 712         $.fn.tablesorter = function( settings ) {
 713                 return ts.construct( this, settings );
 714         };
 715
 716         // Add default parsers
 717         ts.addParser( {
 718                 id: 'text',
 719                 is: function( s ) {
 720                         return true;
 721                 },
 722                 format: function( s ) {
 723                         s = $.trim( s.toLowerCase() );
 724                         if ( ts.collationRegex ) {
 725                                 var tsc = ts.collationTable;
 726                                 s = s.replace( ts.collationRegex, function( match ) {
 727                                         var r = tsc[match] ? tsc[match] : tsc[match.toUpperCase()];
 728                                         return r.toLowerCase();
 729                                 } );
 730                         }
 731                         return s;
 732                 },
 733                 type: 'text'
 734         } );
 735
 736         ts.addParser( {
 737                 id: 'IPAddress',
 738                 is: function( s ) {
 739                         return ts.rgx.IPAddress[0].test(s);
 740                 },
 741                 format: function( s ) {
 742                         var     a = s.split( '.' ),
 743                                 r = '',
 744                                 l = a.length;
 745                         for ( var i = 0; i < l; i++ ) {
 746                                 var item = a[i];
 747                                 if ( item.length == 1 ) {
 748                                         r += '00' + item;
 749                                 } else if ( item.length == 2 ) {
 750                                         r += '0' + item;
 751                                 } else {
 752                                         r += item;
 753                                 }
 754                         }
 755                         return $.tablesorter.formatFloat(r);
 756                 },
 757                 type: 'numeric'
 758         } );
 759
 760         ts.addParser( {
 761                 id: 'currency',
 762                 is: function( s ) {
 763                         return ts.rgx.currency[0].test(s);
 764                 },
 765                 format: function( s ) {
 766                         return $.tablesorter.formatDigit( s.replace( ts.rgx.currency[1], '' ) );
 767                 },
 768                 type: 'numeric'
 769         } );
 770
 771         ts.addParser( {
 772                 id: 'url',
 773                 is: function( s ) {
 774                         return ts.rgx.url[0].test(s);
 775                 },
 776                 format: function( s ) {
 777                         return $.trim( s.replace( ts.rgx.url[1], '' ) );
 778                 },
 779                 type: 'text'
 780         } );
 781
 782         ts.addParser( {
 783                 id: 'isoDate',
 784                 is: function( s ) {
 785                         return ts.rgx.isoDate[0].test(s);
 786                 },
 787                 format: function( s ) {
 788                         return $.tablesorter.formatFloat((s !== '') ? new Date(s.replace(
 789                         new RegExp( /-/g), '/')).getTime() : '0' );
 790                 },
 791                 type: 'numeric'
 792         } );
 793
 794         ts.addParser( {
 795                 id: 'usLongDate',
 796                 is: function( s ) {
 797                         return ts.rgx.usLongDate[0].test(s);
 798                 },
 799                 format: function( s ) {
 800                         return $.tablesorter.formatFloat( new Date(s).getTime() );
 801                 },
 802                 type: 'numeric'
 803         } );
 804
 805         ts.addParser( {
 806                 id: 'date',
 807                 is: function( s ) {
 808                         return ( ts.dateRegex[0].test(s) || ts.dateRegex[1].test(s) || ts.dateRegex[2].test(s ));
 809                 },
 810                 format: function( s, table ) {
 811                         s = $.trim( s.toLowerCase() );
 812
 813                         for ( var i = 1, j = 0; i < 13 && j < 2; i++ ) {
 814                                 s = s.replace( ts.monthNames[j][i], i );
 815                                 if ( i == 12 ) {
 816                                         j++;
 817                                         i = 0;
 818                                 }
 819                         }
 820
 821                         s = s.replace( /[\-\.\,' ]/g, '/' );
 822
 823                         // Replace double slashes
 824                         s = s.replace( /\/\//g, '/' );
 825                         s = s.replace( /\/\//g, '/' );
 826                         s = s.split( '/' );
 827
 828                         // Pad Month and Day
 829                         if ( s[0] && s[0].length == 1 ) {
 830                                 s[0] = '0' + s[0];
 831                         }
 832                         if ( s[1] && s[1].length == 1 ) {
 833                                 s[1] = '0' + s[1];
 834                         }
 835                         var y;
 836
 837                         if ( !s[2] ) {
 838                                 // Fix yearless dates
 839                                 s[2] = 2000;
 840                         } else if ( ( y = parseInt( s[2], 10) ) < 100 ) {
 841                                 // Guestimate years without centuries
 842                                 if ( y < 30 ) {
 843                                         s[2] = 2000 + y;
 844                                 } else {
 845                                         s[2] = 1900 + y;
 846                                 }
 847                         }
 848                         // Resort array depending on preferences
 849                         if ( mw.config.get( 'wgDefaultDateFormat' ) == 'mdy' || mw.config.get( 'wgContentLanguage' ) == 'en' ) {
 850                                 s.push( s.shift() );
 851                                 s.push( s.shift() );
 852                         } else if ( mw.config.get( 'wgDefaultDateFormat' ) == 'dmy' ) {
 853                                 var d = s.shift();
 854                                 s.push( s.shift() );
 855                                 s.push(d);
 856                         }
 857                         return parseInt( s.join( '' ), 10 );
 858                 },
 859                 type: 'numeric'
 860         } );
 861
 862         ts.addParser( {
 863                 id: 'time',
 864                 is: function( s ) {
 865                         return ts.rgx.time[0].test(s);
 866                 },
 867                 format: function( s ) {
 868                         return $.tablesorter.formatFloat( new Date( '2000/01/01 ' + s ).getTime() );
 869                 },
 870                 type: 'numeric'
 871         } );
 872
 873         ts.addParser( {
 874                 id: 'number',
 875                 is: function( s, table ) {
 876                         return $.tablesorter.numberRegex.test( $.trim( s ));
 877                 },
 878                 format: function( s ) {
 879                         return $.tablesorter.formatDigit(s);
 880                 },
 881                 type: 'numeric'
 882         } );
 883
 884 } )( jQuery );