summaryrefslogtreecommitdiff
path: root/resources/jquery/jquery.tablesorter.js
blob: 5af27cc40c3948ece423fa0191a8be679b9f541b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
/**
 * TableSorter for MediaWiki
 *
 * Written 2011 Leo Koppelkamm
 * Based on tablesorter.com plugin, written (c) 2007 Christian Bach.
 *
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 * @depends on mw.config (wgDigitTransformTable, wgMonthNames, wgMonthNamesShort,
 * wgDefaultDateFormat, wgContentLanguage)
 */
/**
 *
 * @description Create a sortable table with multi-column sorting capabilitys
 *
 * @example $( 'table' ).tablesorter();
 * @desc Create a simple tablesorter interface.
 *
 * @option String cssHeader ( optional ) A string of the class name to be appended
 *         to sortable tr elements in the thead of the table. Default value:
 *         "header"
 *
 * @option String cssAsc ( optional ) A string of the class name to be appended to
 *         sortable tr elements in the thead on a ascending sort. Default value:
 *         "headerSortUp"
 *
 * @option String cssDesc ( optional ) A string of the class name to be appended
 *         to sortable tr elements in the thead on a descending sort. Default
 *         value: "headerSortDown"
 *
 * @option String sortInitialOrder ( optional ) A string of the inital sorting
 *         order can be asc or desc. Default value: "asc"
 *
 * @option String sortMultisortKey ( optional ) A string of the multi-column sort
 *         key. Default value: "shiftKey"
 *
 * @option Boolean sortLocaleCompare ( optional ) Boolean flag indicating whatever
 *         to use String.localeCampare method or not. Set to false.
 *
 * @option Boolean cancelSelection ( optional ) Boolean flag indicating if
 *         tablesorter should cancel selection of the table headers text.
 *         Default value: true
 *
 * @option Boolean debug ( optional ) Boolean flag indicating if tablesorter
 *         should display debuging information usefull for development.
 *
 * @type jQuery
 *
 * @name tablesorter
 *
 * @cat Plugins/Tablesorter
 *
 * @author Christian Bach/christian.bach@polyester.se
 */

( function( $ ) {

	/* Local scope */

	var	ts,
		parsers = [];

	/* Parser utility functions */

	function getParserById( name ) {
		var len = parsers.length;
		for ( var i = 0; i < len; i++ ) {
			if ( parsers[i].id.toLowerCase() === name.toLowerCase() ) {
				return parsers[i];
			}
		}
		return false;
	}

	function getElementText( node ) {
		var $node = $( node ),
			data = $node.attr( 'data-sort-value' );
		if ( data !== undefined ) {
			return data;
		} else {
			return $node.text();
		}
	}

	function getTextFromRowAndCellIndex( rows, rowIndex, cellIndex ) {
		if ( rows[rowIndex] && rows[rowIndex].cells[cellIndex] ) {
			return $.trim( getElementText( rows[rowIndex].cells[cellIndex] ) );
		} else {
			return '';
		}
	}

	function detectParserForColumn( table, rows, cellIndex ) {
		var	l = parsers.length,
			nodeValue,
			// Start with 1 because 0 is the fallback parser
			i = 1,
			rowIndex = 0,
			concurrent = 0,
			needed = ( rows.length > 4 ) ? 5 : rows.length;

		while( i < l ) {
			nodeValue = getTextFromRowAndCellIndex( rows, rowIndex, cellIndex );
			if ( nodeValue !== '') {
				if ( parsers[i].is( nodeValue, table ) ) {
					concurrent++;
					rowIndex++;
					if ( concurrent >= needed ) {
						// Confirmed the parser for multiple cells, let's return it
						return parsers[i];
					}
				} else {
					// Check next parser, reset rows
					i++;
					rowIndex = 0;
					concurrent = 0;
				}
			} else {
				// Empty cell
				rowIndex++;
				if ( rowIndex > rows.length ) {
					rowIndex = 0;
					i++;
				}
			}
		}

		// 0 is always the generic parser (text)
		return parsers[0];
	}

	function buildParserCache( table, $headers ) {
		var	rows = table.tBodies[0].rows,
			sortType,
			parsers = [];

		if ( rows[0] ) {

			var	cells = rows[0].cells,
				len = cells.length,
				i, parser;

			for ( i = 0; i < len; i++ ) {
				parser = false;
				sortType = $headers.eq( i ).data( 'sort-type' );
				if ( sortType !== undefined ) {
					parser = getParserById( sortType );
				}

				if ( parser === false ) {
					parser = detectParserForColumn( table, rows, i );
				}

				parsers.push( parser );
			}
		}
		return parsers;
	}

	/* Other utility functions */

	function buildCache( table ) {
		var	totalRows = ( table.tBodies[0] && table.tBodies[0].rows.length ) || 0,
			totalCells = ( table.tBodies[0].rows[0] && table.tBodies[0].rows[0].cells.length ) || 0,
			parsers = table.config.parsers,
			cache = {
				row: [],
				normalized: []
			};

		for ( var i = 0; i < totalRows; ++i ) {

			// Add the table data to main data array
			var	$row = $( table.tBodies[0].rows[i] ),
				cols = [];

			// if this is a child row, add it to the last row's children and
			// continue to the next row
			if ( $row.hasClass( table.config.cssChildRow ) ) {
				cache.row[cache.row.length - 1] = cache.row[cache.row.length - 1].add( $row );
				// go to the next for loop
				continue;
			}

			cache.row.push( $row );

			for ( var j = 0; j < totalCells; ++j ) {
				cols.push( parsers[j].format( getElementText( $row[0].cells[j] ), table, $row[0].cells[j] ) );
			}

			cols.push( cache.normalized.length ); // add position for rowCache
			cache.normalized.push( cols );
			cols = null;
		}

		return cache;
	}

	function appendToTable( table, cache ) {
		var	row = cache.row,
			normalized = cache.normalized,
			totalRows = normalized.length,
			checkCell = ( normalized[0].length - 1 ),
			fragment = document.createDocumentFragment();

		for ( var i = 0; i < totalRows; i++ ) {
			var pos = normalized[i][checkCell];

			var l = row[pos].length;

			for ( var j = 0; j < l; j++ ) {
				fragment.appendChild( row[pos][j] );
			}

		}
		table.tBodies[0].appendChild( fragment );
	}
	
	/**
	 * Find all header rows in a thead-less table and put them in a <thead> tag.
	 * This only treats a row as a header row if it contains only <th>s (no <td>s)
	 * and if it is preceded entirely by header rows. The algorithm stops when
	 * it encounters the first non-header row.
	 * 
	 * After this, it will look at all rows at the bottom for footer rows
	 * And place these in a tfoot using similar rules.
	 * @param $table jQuery object for a <table>
	 */ 
	function emulateTHeadAndFoot( $table ) {
		var $rows = $table.find( '> tbody > tr' );
		if( !$table.get(0).tHead ) {
			var $thead = $( '<thead>' );
			$rows.each( function() {
				if ( $(this).children( 'td' ).length > 0 ) {
					// This row contains a <td>, so it's not a header row
					// Stop here
					return false;
				}
				$thead.append( this );
			} );
			$table.children('tbody').before( $thead );
		}
		if( !$table.get(0).tFoot ) {
			var $tfoot = $( '<tfoot>' );
			var len = $rows.length;
			for ( var i = len-1; i >= 0; i-- ) {
				if( $( $rows[i] ).children( 'td' ).length > 0 ){
					break;
				}
				$tfoot.prepend( $( $rows[i] ));
			} 
			$table.append( $tfoot );
		}
	}

	function buildHeaders( table, msg ) {
		var	maxSeen = 0,
			longest,
			realCellIndex = 0,
			$tableHeaders = $( 'thead:eq(0) tr', table );
		if ( $tableHeaders.length > 1 ) {
			$tableHeaders.each(function() {
				if ( this.cells.length > maxSeen ) {
					maxSeen = this.cells.length;
					longest = this;
				}
			});
			$tableHeaders = $( longest );
		}
		$tableHeaders = $tableHeaders.children( 'th' ).each( function( index ) {
			this.column = realCellIndex;

			var colspan = this.colspan;
			colspan = colspan ? parseInt( colspan, 10 ) : 1;
			realCellIndex += colspan;

			this.order = 0;
			this.count = 0;

			if ( $( this ).is( '.unsortable' ) ) {
				this.sortDisabled = true;
			}

			if ( !this.sortDisabled ) {
				var $th = $( this ).addClass( table.config.cssHeader ).attr( 'title', msg[1] );
			}

			// add cell to headerList
			table.config.headerList[index] = this;
		} );

		return $tableHeaders;

	}

	function isValueInArray( v, a ) {
		var l = a.length;
		for ( var i = 0; i < l; i++ ) {
			if ( a[i][0] == v ) {
				return true;
			}
		}
		return false;
	}

	function setHeadersCss( table, $headers, list, css, msg ) {
		// Remove all header information
		$headers.removeClass( css[0] ).removeClass( css[1] );

		var h = [];
		$headers.each( function( offset ) {
			if ( !this.sortDisabled ) {
				h[this.column] = $( this );
			}
		} );

		var l = list.length;
		for ( var i = 0; i < l; i++ ) {
			h[ list[i][0] ].addClass( css[ list[i][1] ] ).attr( 'title', msg[ list[i][1] ] );
		}
	}

	function sortText( a, b ) {
		return ( (a < b) ? false : ((a > b) ? true : 0) );
	}

	function sortTextDesc( a, b ) {
		return ( (b < a) ? false : ((b > a) ? true : 0) );
	}

	function checkSorting( array1, array2, sortList ) {
		var col, fn, ret;
		for ( var i = 0, len = sortList.length; i < len; i++ ) {
			col = sortList[i][0];
			fn = ( sortList[i][1] ) ? sortTextDesc : sortText;
			ret = fn.call( this, array1[col], array2[col] );
			if ( ret !== 0 ) {
				return ret;
			}
		}
		return ret;
	}

	// Merge sort algorithm
	// Based on http://en.literateprograms.org/Merge_sort_(JavaScript)
	function mergeSortHelper( array, begin, beginRight, end, sortList ) {
		for ( ; begin < beginRight; ++begin ) {
			if ( checkSorting( array[begin], array[beginRight], sortList ) ) {
				var v = array[begin];
				array[begin] = array[beginRight];
				var begin2 = beginRight;
				while ( begin2 + 1 < end && checkSorting( v, array[begin2 + 1], sortList ) ) {
					var tmp = array[begin2];
					array[begin2] = array[begin2 + 1];
					array[begin2 + 1] = tmp;
					++begin2;
				}
				array[begin2] = v;
			}
		}
	}

	function mergeSort(array, begin, end, sortList) {
		var size = end - begin;
		if ( size < 2 ) {
			return;
		}

		var beginRight = begin + Math.floor(size / 2);

		mergeSort( array, begin, beginRight, sortList );
		mergeSort( array, beginRight, end, sortList );
		mergeSortHelper( array, begin, beginRight, end, sortList );
	}

	function multisort( table, sortList, cache ) {
		var i = sortList.length;
		mergeSort( cache.normalized, 0, cache.normalized.length, sortList );

		return cache;
	}

	function buildTransformTable() {
		var digits = '0123456789,.'.split( '' );
		var separatorTransformTable = mw.config.get( 'wgSeparatorTransformTable' );
		var digitTransformTable = mw.config.get( 'wgDigitTransformTable' );
		if ( separatorTransformTable === null || ( separatorTransformTable[0] === '' && digitTransformTable[2] === '' ) ) {
			ts.transformTable = false;
		} else {
			ts.transformTable = {};

			// Unpack the transform table
			var ascii = separatorTransformTable[0].split( "\t" ).concat( digitTransformTable[0].split( "\t" ) );
			var localised = separatorTransformTable[1].split( "\t" ).concat( digitTransformTable[1].split( "\t" ) );

			// Construct regex for number identification
			for ( var i = 0; i < ascii.length; i++ ) {
				ts.transformTable[localised[i]] = ascii[i];
				digits.push( $.escapeRE( localised[i] ) );
			}
		}
		var digitClass = '[' + digits.join( '', digits ) + ']';

		// We allow a trailing percent sign, which we just strip. This works fine
		// if percents and regular numbers aren't being mixed.
		ts.numberRegex = new RegExp("^(" + "[-+\u2212]?[0-9][0-9,]*(\\.[0-9,]*)?(E[-+\u2212]?[0-9][0-9,]*)?" + // Fortran-style scientific
		"|" + "[-+\u2212]?" + digitClass + "+[\\s\\xa0]*%?" + // Generic localised
		")$", "i");
	}

	function buildDateTable() {
		var regex = [];
		ts.monthNames = [
			[],
			[]
		];

		for ( var i = 1; i < 13; i++ ) {
			ts.monthNames[0][i] = mw.config.get( 'wgMonthNames' )[i].toLowerCase();
			ts.monthNames[1][i] = mw.config.get( 'wgMonthNamesShort' )[i].toLowerCase().replace( '.', '' );
			regex.push( $.escapeRE( ts.monthNames[0][i] ) );
			regex.push( $.escapeRE( ts.monthNames[1][i] ) );
		}

		// Build piped string
		regex = regex.join( '|' );

		// Build RegEx
		// Any date formated with . , ' - or /
		ts.dateRegex[0] = new RegExp( /^\s*\d{1,2}[\,\.\-\/'\s]{1,2}\d{1,2}[\,\.\-\/'\s]{1,2}\d{2,4}\s*?/i);

		// Written Month name, dmy
		ts.dateRegex[1] = new RegExp( '^\\s*\\d{1,2}[\\,\\.\\-\\/\'\\s]*(' + regex + ')' + '[\\,\\.\\-\\/\'\\s]*\\d{2,4}\\s*$', 'i' );

		// Written Month name, mdy
		ts.dateRegex[2] = new RegExp( '^\\s*(' + regex + ')' + '[\\,\\.\\-\\/\'\\s]*\\d{1,2}[\\,\\.\\-\\/\'\\s]*\\d{2,4}\\s*$', 'i' );

	}

	function explodeRowspans( $table ) {
		// Split multi row cells into multiple cells with the same content
		$table.find( '> tbody > tr > [rowspan]' ).each(function() {
			var rowSpan = this.rowSpan;
			this.rowSpan = 1;
			var cell = $( this );
			var next = cell.parent().nextAll();
			for ( var i = 0; i < rowSpan - 1; i++ ) {
				var td = next.eq( i ).children( 'td' );
				if ( !td.length ) {
					next.eq( i ).append( cell.clone() );
				} else if ( this.cellIndex === 0 ) {
					td.eq( this.cellIndex ).before( cell.clone() );
				} else {
					td.eq( this.cellIndex - 1 ).after( cell.clone() );
				}
			}
		});
	}

	function buildCollationTable() {
		ts.collationTable = mw.config.get( 'tableSorterCollation' );
		ts.collationRegex = null;
		if ( ts.collationTable ) {
			var keys = [];

			// Build array of key names
			for ( var key in ts.collationTable ) {
				if ( ts.collationTable.hasOwnProperty(key) ) { //to be safe
					keys.push(key);
				}
			}
			if (keys.length) {
				ts.collationRegex = new RegExp( '[' + keys.join( '' ) + ']', 'ig' );
			}
		}
	}

	function cacheRegexs() {
		if ( ts.rgx ) {
			return;
		}
		ts.rgx = {
			IPAddress: [
				new RegExp( /^\d{1,3}[\.]\d{1,3}[\.]\d{1,3}[\.]\d{1,3}$/)
			],
			currency: [
				new RegExp( /^[£$€?.]/),
				new RegExp( /[£$€]/g)
			],
			url: [
				new RegExp( /^(https?|ftp|file):\/\/$/),
				new RegExp( /(https?|ftp|file):\/\//)
			],
			isoDate: [
				new RegExp( /^\d{4}[\/\-]\d{1,2}[\/\-]\d{1,2}$/)
			],
			usLongDate: [
				new RegExp( /^[A-Za-z]{3,10}\.? [0-9]{1,2}, ([0-9]{4}|'?[0-9]{2}) (([0-2]?[0-9]:[0-5][0-9])|([0-1]?[0-9]:[0-5][0-9]\s(AM|PM)))$/)
			],
			time: [
				new RegExp( /^(([0-2]?[0-9]:[0-5][0-9])|([0-1]?[0-9]:[0-5][0-9]\s(am|pm)))$/)
			]
		};
	}

	/* Public scope */

	$.tablesorter = {

			defaultOptions: {
				cssHeader: 'headerSort',
				cssAsc: 'headerSortUp',
				cssDesc: 'headerSortDown',
				cssChildRow: 'expand-child',
				sortInitialOrder: 'asc',
				sortMultiSortKey: 'shiftKey',
				sortLocaleCompare: false,
				parsers: {},
				widgets: [],
				headers: {},
				cancelSelection: true,
				sortList: [],
				headerList: [],
				selectorHeaders: 'thead tr:eq(0) th',
				debug: false
			},

			dateRegex: [],
			monthNames: [],

			/**
			 * @param $tables {jQuery}
			 * @param settings {Object} (optional)
			 */
			construct: function( $tables, settings ) {
				return $tables.each( function( i, table ) {
					// Declare and cache.
					var	$document, $headers, cache, config, sortOrder,
						$table = $( table ),
						shiftDown = 0,
						firstTime = true;

					// Quit if no tbody
					if ( !table.tBodies ) {
						return;
					}
					if ( !table.tHead ) {
						// No thead found. Look for rows with <th>s and
						// move them into a <thead> tag or a <tfoot> tag
						emulateTHeadAndFoot( $table );
						
						// Still no thead? Then quit
						if ( !table.tHead ) {
							return;
						}
					}
					$table.addClass( "jquery-tablesorter" );

					// New config object.
					table.config = {};

					// Merge and extend.
					config = $.extend( table.config, $.tablesorter.defaultOptions, settings );

					// Save the settings where they read
					$.data( table, 'tablesorter', config );

					// Get the CSS class names, could be done else where.
					var sortCSS = [ config.cssDesc, config.cssAsc ];
					var sortMsg = [ mw.msg( 'sort-descending' ), mw.msg( 'sort-ascending' ) ];

					// Build headers
					$headers = buildHeaders( table, sortMsg );

					// Grab and process locale settings
					buildTransformTable();
					buildDateTable();
					buildCollationTable();

					// Precaching regexps can bring 10 fold
					// performance improvements in some browsers.
					cacheRegexs();

					// Apply event handling to headers
					// this is too big, perhaps break it out?
					$headers.click( function( e ) {
						if ( e.target.nodeName.toLowerCase() == 'a' ) {
							// The user clicked on a link inside a table header
							// Do nothing and let the default link click action continue
							return true;
						}

						if ( firstTime ) {
							firstTime = false;
							
							// Legacy fix of .sortbottoms
							// Wrap them inside inside a tfoot (because that's what they actually want to be) &
							// and put the <tfoot> at the end of the <table>
							var $sortbottoms = $table.find( '> tbody > tr.sortbottom' );
							if ( $sortbottoms.length ) {
								var $tfoot = $table.children( 'tfoot' );
								if ( $tfoot.length ) {
									$tfoot.eq(0).prepend( $sortbottoms );
								} else {
									$table.append( $( '<tfoot>' ).append( $sortbottoms ) )
								}
							}
							
							explodeRowspans( $table );
							// try to auto detect column type, and store in tables config
							table.config.parsers = buildParserCache( table, $headers );
							// build the cache for the tbody cells
							cache = buildCache( table );
						}
						var totalRows = ( $table[0].tBodies[0] && $table[0].tBodies[0].rows.length ) || 0;
						if ( !table.sortDisabled && totalRows > 0 ) {

							// Cache jQuery object
							var $cell = $( this );

							// Get current column index
							var i = this.column;

							// Get current column sort order
							this.order = this.count % 2;
							this.count++;

							// User only wants to sort on one column
							if ( !e[config.sortMultiSortKey] ) {
								// Flush the sort list
								config.sortList = [];
								// Add column to sort list
								config.sortList.push( [i, this.order] );

							// Multi column sorting
							} else {
								// The user has clicked on an already sorted column.
								if ( isValueInArray( i, config.sortList ) ) {
									// Reverse the sorting direction for all tables.
									for ( var j = 0; j < config.sortList.length; j++ ) {
										var s = config.sortList[j],
											o = config.headerList[s[0]];
										if ( s[0] == i ) {
											o.count = s[1];
											o.count++;
											s[1] = o.count % 2;
										}
									}
								} else {
									// Add column to sort list array
									config.sortList.push( [i, this.order] );
								}
							}

							// Set CSS for headers
							setHeadersCss( $table[0], $headers, config.sortList, sortCSS, sortMsg );
							appendToTable(
								$table[0], multisort( $table[0], config.sortList, cache )
							);

							// Stop normal event by returning false
							return false;
						}

					// Cancel selection
					} ).mousedown( function() {
						if ( config.cancelSelection ) {
							this.onselectstart = function() {
								return false;
							};
							return false;
						}
					} );
				} );
			},

			addParser: function( parser ) {
				var	l = parsers.length,
					a = true;
				for ( var i = 0; i < l; i++ ) {
					if ( parsers[i].id.toLowerCase() == parser.id.toLowerCase() ) {
						a = false;
					}
				}
				if ( a ) {
					parsers.push( parser );
				}
			},

			formatDigit: function( s ) {
				if ( ts.transformTable !== false ) {
					var	out = '',
						c;
					for ( var p = 0; p < s.length; p++ ) {
						c = s.charAt(p);
						if ( c in ts.transformTable ) {
							out += ts.transformTable[c];
						} else {
							out += c;
						}
					}
					s = out;
				}
				var i = parseFloat( s.replace( /[, ]/g, '' ).replace( "\u2212", '-' ) );
				return ( isNaN(i)) ? 0 : i;
			},

			formatFloat: function( s ) {
				var i = parseFloat(s);
				return ( isNaN(i)) ? 0 : i;
			},

			formatInt: function( s ) {
				var i = parseInt( s, 10 );
				return ( isNaN(i)) ? 0 : i;
			},

			clearTableBody: function( table ) {
				if ( $.browser.msie ) {
					var empty = function( el ) {
						while ( el.firstChild ) {
							el.removeChild( el.firstChild );
						}
					};
					empty( table.tBodies[0] );
				} else {
					table.tBodies[0].innerHTML = '';
				}
			}
		};

	// Shortcut
	ts = $.tablesorter;

	// Register as jQuery prototype method
	$.fn.tablesorter = function( settings ) {
		return ts.construct( this, settings );
	};

	// Add default parsers
	ts.addParser( {
		id: 'text',
		is: function( s ) {
			return true;
		},
		format: function( s ) {
			s = $.trim( s.toLowerCase() );
			if ( ts.collationRegex ) {
				var tsc = ts.collationTable;
				s = s.replace( ts.collationRegex, function( match ) {
					var r = tsc[match] ? tsc[match] : tsc[match.toUpperCase()];
					return r.toLowerCase();
				} );
			}
			return s;
		},
		type: 'text'
	} );

	ts.addParser( {
		id: 'IPAddress',
		is: function( s ) {
			return ts.rgx.IPAddress[0].test(s);
		},
		format: function( s ) {
			var	a = s.split( '.' ),
				r = '',
				l = a.length;
			for ( var i = 0; i < l; i++ ) {
				var item = a[i];
				if ( item.length == 1 ) {
					r += '00' + item;
				} else if ( item.length == 2 ) {
					r += '0' + item;
				} else {
					r += item;
				}
			}
			return $.tablesorter.formatFloat(r);
		},
		type: 'numeric'
	} );

	ts.addParser( {
		id: 'currency',
		is: function( s ) {
			return ts.rgx.currency[0].test(s);
		},
		format: function( s ) {
			return $.tablesorter.formatDigit( s.replace( ts.rgx.currency[1], '' ) );
		},
		type: 'numeric'
	} );

	ts.addParser( {
		id: 'url',
		is: function( s ) {
			return ts.rgx.url[0].test(s);
		},
		format: function( s ) {
			return $.trim( s.replace( ts.rgx.url[1], '' ) );
		},
		type: 'text'
	} );

	ts.addParser( {
		id: 'isoDate',
		is: function( s ) {
			return ts.rgx.isoDate[0].test(s);
		},
		format: function( s ) {
			return $.tablesorter.formatFloat((s !== '') ? new Date(s.replace(
			new RegExp( /-/g), '/')).getTime() : '0' );
		},
		type: 'numeric'
	} );

	ts.addParser( {
		id: 'usLongDate',
		is: function( s ) {
			return ts.rgx.usLongDate[0].test(s);
		},
		format: function( s ) {
			return $.tablesorter.formatFloat( new Date(s).getTime() );
		},
		type: 'numeric'
	} );

	ts.addParser( {
		id: 'date',
		is: function( s ) {
			return ( ts.dateRegex[0].test(s) || ts.dateRegex[1].test(s) || ts.dateRegex[2].test(s ));
		},
		format: function( s, table ) {
			s = $.trim( s.toLowerCase() );

			for ( var i = 1, j = 0; i < 13 && j < 2; i++ ) {
				s = s.replace( ts.monthNames[j][i], i );
				if ( i == 12 ) {
					j++;
					i = 0;
				}
			}

			s = s.replace( /[\-\.\,' ]/g, '/' );

			// Replace double slashes
			s = s.replace( /\/\//g, '/' );
			s = s.replace( /\/\//g, '/' );
			s = s.split( '/' );

			// Pad Month and Day
			if ( s[0] && s[0].length == 1 ) {
				s[0] = '0' + s[0];
			}
			if ( s[1] && s[1].length == 1 ) {
				s[1] = '0' + s[1];
			}
			var y;

			if ( !s[2] ) {
				// Fix yearless dates
				s[2] = 2000;
			} else if ( ( y = parseInt( s[2], 10) ) < 100 ) {
				// Guestimate years without centuries
				if ( y < 30 ) {
					s[2] = 2000 + y;
				} else {
					s[2] = 1900 + y;
				}
			}
			// Resort array depending on preferences
			if ( mw.config.get( 'wgDefaultDateFormat' ) == 'mdy' || mw.config.get( 'wgContentLanguage' ) == 'en' ) {
				s.push( s.shift() );
				s.push( s.shift() );
			} else if ( mw.config.get( 'wgDefaultDateFormat' ) == 'dmy' ) {
				var d = s.shift();
				s.push( s.shift() );
				s.push(d);
			}
			return parseInt( s.join( '' ), 10 );
		},
		type: 'numeric'
	} );

	ts.addParser( {
		id: 'time',
		is: function( s ) {
			return ts.rgx.time[0].test(s);
		},
		format: function( s ) {
			return $.tablesorter.formatFloat( new Date( '2000/01/01 ' + s ).getTime() );
		},
		type: 'numeric'
	} );

	ts.addParser( {
		id: 'number',
		is: function( s, table ) {
			return $.tablesorter.numberRegex.test( $.trim( s ));
		},
		format: function( s ) {
			return $.tablesorter.formatDigit(s);
		},
		type: 'numeric'
	} );

} )( jQuery );