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[lhc/web/wiklou.git] / 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 * @example $( 'table' ).tablesorter( { sortList: [ { 0: 'desc' }, { 1: 'asc' } ] } );
23 * @desc Create a tablesorter interface initially sorting on the first and second column.
24 *
25 * @option String cssHeader ( optional ) A string of the class name to be appended
26 * to sortable tr elements in the thead of the table. Default value:
27 * "header"
28 *
29 * @option String cssAsc ( optional ) A string of the class name to be appended to
30 * sortable tr elements in the thead on a ascending sort. Default value:
31 * "headerSortUp"
32 *
33 * @option String cssDesc ( optional ) A string of the class name to be appended
34 * to sortable tr elements in the thead on a descending sort. Default
35 * value: "headerSortDown"
36 *
37 * @option String sortInitialOrder ( optional ) A string of the inital sorting
38 * order can be asc or desc. Default value: "asc"
39 *
40 * @option String sortMultisortKey ( optional ) A string of the multi-column sort
41 * key. Default value: "shiftKey"
42 *
43 * @option Boolean sortLocaleCompare ( optional ) Boolean flag indicating whatever
44 * to use String.localeCampare method or not. Set to false.
45 *
46 * @option Boolean cancelSelection ( optional ) Boolean flag indicating if
47 * tablesorter should cancel selection of the table headers text.
48 * Default value: true
49 *
50 * @option Array sortList ( optional ) An array containing objects specifying sorting.
51 * By passing more than one object, multi-sorting will be applied. Object structure:
52 * { <Integer column index>: <String 'asc' or 'desc'> }
53 * Default value: []
54 *
55 * @option Boolean debug ( optional ) Boolean flag indicating if tablesorter
56 * should display debuging information usefull for development.
57 *
58 * @event sortEnd.tablesorter: Triggered as soon as any sorting has been applied.
59 *
60 * @type jQuery
61 *
62 * @name tablesorter
63 *
64 * @cat Plugins/Tablesorter
65 *
66 * @author Christian Bach/christian.bach@polyester.se
67 */
68
69 ( function ( $, mw ) {
70 /*jshint onevar:false */
71
72 /* Local scope */
73
74 var ts,
75 parsers = [];
76
77 /* Parser utility functions */
78
79 function getParserById( name ) {
80 var len = parsers.length;
81 for ( var i = 0; i < len; i++ ) {
82 if ( parsers[i].id.toLowerCase() === name.toLowerCase() ) {
83 return parsers[i];
84 }
85 }
86 return false;
87 }
88
89 function getElementSortKey( node ) {
90 var $node = $( node ),
91 // Use data-sort-value attribute.
92 // Use data() instead of attr() so that live value changes
93 // are processed as well (bug 38152).
94 data = $node.data( 'sortValue' );
95
96 if ( data !== null && data !== undefined ) {
97 // Cast any numbers or other stuff to a string, methods
98 // like charAt, toLowerCase and split are expected.
99 return String( data );
100 } else {
101 if ( !node ) {
102 return $node.text();
103 } else if ( node.tagName.toLowerCase() === 'img' ) {
104 return $node.attr( 'alt' ) || ''; // handle undefined alt
105 } else {
106 return $.map( $.makeArray( node.childNodes ), function( elem ) {
107 // 1 is for document.ELEMENT_NODE (the constant is undefined on old browsers)
108 if ( elem.nodeType === 1 ) {
109 return getElementSortKey( elem );
110 } else {
111 return $.text( elem );
112 }
113 } ).join( '' );
114 }
115 }
116 }
117
118 function detectParserForColumn( table, rows, cellIndex ) {
119 var l = parsers.length,
120 nodeValue,
121 // Start with 1 because 0 is the fallback parser
122 i = 1,
123 rowIndex = 0,
124 concurrent = 0,
125 needed = ( rows.length > 4 ) ? 5 : rows.length;
126
127 while ( i < l ) {
128 if ( rows[rowIndex] && rows[rowIndex].cells[cellIndex] ) {
129 nodeValue = $.trim( getElementSortKey( rows[rowIndex].cells[cellIndex] ) );
130 } else {
131 nodeValue = '';
132 }
133
134 if ( nodeValue !== '') {
135 if ( parsers[i].is( nodeValue, table ) ) {
136 concurrent++;
137 rowIndex++;
138 if ( concurrent >= needed ) {
139 // Confirmed the parser for multiple cells, let's return it
140 return parsers[i];
141 }
142 } else {
143 // Check next parser, reset rows
144 i++;
145 rowIndex = 0;
146 concurrent = 0;
147 }
148 } else {
149 // Empty cell
150 rowIndex++;
151 if ( rowIndex > rows.length ) {
152 rowIndex = 0;
153 i++;
154 }
155 }
156 }
157
158 // 0 is always the generic parser (text)
159 return parsers[0];
160 }
161
162 function buildParserCache( table, $headers ) {
163 var rows = table.tBodies[0].rows,
164 sortType,
165 parsers = [];
166
167 if ( rows[0] ) {
168
169 var cells = rows[0].cells,
170 len = cells.length,
171 i, parser;
172
173 for ( i = 0; i < len; i++ ) {
174 parser = false;
175 sortType = $headers.eq( i ).data( 'sortType' );
176 if ( sortType !== undefined ) {
177 parser = getParserById( sortType );
178 }
179
180 if ( parser === false ) {
181 parser = detectParserForColumn( table, rows, i );
182 }
183
184 parsers.push( parser );
185 }
186 }
187 return parsers;
188 }
189
190 /* Other utility functions */
191
192 function buildCache( table ) {
193 var totalRows = ( table.tBodies[0] && table.tBodies[0].rows.length ) || 0,
194 totalCells = ( table.tBodies[0].rows[0] && table.tBodies[0].rows[0].cells.length ) || 0,
195 parsers = table.config.parsers,
196 cache = {
197 row: [],
198 normalized: []
199 };
200
201 for ( var i = 0; i < totalRows; ++i ) {
202
203 // Add the table data to main data array
204 var $row = $( table.tBodies[0].rows[i] ),
205 cols = [];
206
207 // if this is a child row, add it to the last row's children and
208 // continue to the next row
209 if ( $row.hasClass( table.config.cssChildRow ) ) {
210 cache.row[cache.row.length - 1] = cache.row[cache.row.length - 1].add( $row );
211 // go to the next for loop
212 continue;
213 }
214
215 cache.row.push( $row );
216
217 for ( var j = 0; j < totalCells; ++j ) {
218 cols.push( parsers[j].format( getElementSortKey( $row[0].cells[j] ), table, $row[0].cells[j] ) );
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 row = cache.row,
231 normalized = cache.normalized,
232 totalRows = normalized.length,
233 checkCell = ( normalized[0].length - 1 ),
234 fragment = document.createDocumentFragment();
235
236 for ( var i = 0; i < totalRows; i++ ) {
237 var pos = normalized[i][checkCell];
238
239 var l = row[pos].length;
240
241 for ( var 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 * @param $table jQuery object for a <table>
260 */
261 function emulateTHeadAndFoot( $table ) {
262 var $rows = $table.find( '> tbody > tr' );
263 if( !$table.get(0).tHead ) {
264 var $thead = $( '<thead>' );
265 $rows.each( function () {
266 if ( $(this).children( 'td' ).length > 0 ) {
267 // This row contains a <td>, so it's not a header row
268 // Stop here
269 return false;
270 }
271 $thead.append( this );
272 } );
273 $table.find(' > tbody:first').before( $thead );
274 }
275 if( !$table.get(0).tFoot ) {
276 var $tfoot = $( '<tfoot>' );
277 var len = $rows.length;
278 for ( var i = len-1; i >= 0; i-- ) {
279 if( $( $rows[i] ).children( 'td' ).length > 0 ){
280 break;
281 }
282 $tfoot.prepend( $( $rows[i] ));
283 }
284 $table.append( $tfoot );
285 }
286 }
287
288 function buildHeaders( table, msg ) {
289 var maxSeen = 0,
290 colspanOffset = 0,
291 longest,
292 columns,
293 i,
294 $tableHeaders = $( [] ),
295 $tableRows = $( 'thead:eq(0) > tr', table );
296 if ( $tableRows.length <= 1 ) {
297 $tableHeaders = $tableRows.children( 'th' );
298 } else {
299 // We need to find the cells of the row containing the most columns
300 var rowspan,
301 headersIndex = [];
302 $tableRows.each( function ( rowIndex ) {
303 $.each( this.cells, function( index2, cell ) {
304 rowspan = Number( cell.rowSpan );
305 for ( i = 0; i < rowspan; i++ ) {
306 if ( headersIndex[rowIndex+i] === undefined ) {
307 headersIndex[rowIndex+i] = $( [] );
308 }
309 headersIndex[rowIndex+i].push( cell );
310 }
311 } );
312 } );
313 $.each( headersIndex, function ( index, cellArray ) {
314 if ( cellArray.length >= maxSeen ) {
315 maxSeen = cellArray.length;
316 longest = index;
317 }
318 } );
319 $tableHeaders = headersIndex[longest];
320 }
321
322 // as each header can span over multiple columns (using colspan=N),
323 // we have to bidirectionally map headers to their columns and columns to their headers
324 table.headerToColumns = [];
325 table.columnToHeader = [];
326
327 $tableHeaders.each( function ( headerIndex ) {
328 columns = [];
329 for ( i = 0; i < this.colSpan; i++ ) {
330 table.columnToHeader[ colspanOffset + i ] = headerIndex;
331 columns.push( colspanOffset + i );
332 }
333
334 table.headerToColumns[ headerIndex ] = columns;
335 colspanOffset += this.colSpan;
336
337 this.headerIndex = headerIndex;
338 this.order = 0;
339 this.count = 0;
340
341 if ( $( this ).hasClass( table.config.unsortableClass ) ) {
342 this.sortDisabled = true;
343 }
344
345 if ( !this.sortDisabled ) {
346 $( this )
347 .addClass( table.config.cssHeader )
348 .prop( 'tabIndex', 0 )
349 .attr( {
350 role: 'columnheader button',
351 title: msg[1]
352 } );
353 }
354
355 // add cell to headerList
356 table.config.headerList[headerIndex] = this;
357 } );
358
359 return $tableHeaders;
360
361 }
362
363 /**
364 * Sets the sort count of the columns that are not affected by the sorting to have them sorted
365 * in default (ascending) order when their header cell is clicked the next time.
366 *
367 * @param {jQuery} $headers
368 * @param {Number[][]} sortList
369 * @param {Number[][]} headerToColumns
370 */
371 function setHeadersOrder( $headers, sortList, headerToColumns ) {
372 // Loop through all headers to retrieve the indices of the columns the header spans across:
373 $.each( headerToColumns, function( headerIndex, columns ) {
374
375 $.each( columns, function( i, columnIndex ) {
376 var header = $headers[headerIndex];
377
378 if ( !isValueInArray( columnIndex, sortList ) ) {
379 // Column shall not be sorted: Reset header count and order.
380 header.order = 0;
381 header.count = 0;
382 } else {
383 // Column shall be sorted: Apply designated count and order.
384 $.each( sortList, function( j, sortColumn ) {
385 if ( sortColumn[0] === i ) {
386 header.order = sortColumn[1];
387 header.count = sortColumn[1] + 1;
388 return false;
389 }
390 } );
391 }
392 } );
393
394 } );
395 }
396
397 function isValueInArray( v, a ) {
398 var l = a.length;
399 for ( var i = 0; i < l; i++ ) {
400 if ( a[i][0] === v ) {
401 return true;
402 }
403 }
404 return false;
405 }
406
407 function setHeadersCss( table, $headers, list, css, msg, columnToHeader ) {
408 // Remove all header information and reset titles to default message
409 $headers.removeClass( css[0] ).removeClass( css[1] ).attr( 'title', msg[1] );
410
411 for ( var i = 0; i < list.length; i++ ) {
412 $headers.eq( columnToHeader[ list[i][0] ] )
413 .addClass( css[ list[i][1] ] )
414 .attr( 'title', msg[ list[i][1] ] );
415 }
416 }
417
418 function sortText( a, b ) {
419 return ( (a < b) ? -1 : ((a > b) ? 1 : 0) );
420 }
421
422 function sortTextDesc( a, b ) {
423 return ( (b < a) ? -1 : ((b > a) ? 1 : 0) );
424 }
425
426 function multisort( table, sortList, cache ) {
427 var sortFn = [];
428 var len = sortList.length;
429 for ( var i = 0; i < len; i++ ) {
430 sortFn[i] = ( sortList[i][1] ) ? sortTextDesc : sortText;
431 }
432 cache.normalized.sort( function ( array1, array2 ) {
433 var col, ret;
434 for ( var i = 0; i < len; i++ ) {
435 col = sortList[i][0];
436 ret = sortFn[i].call( this, array1[col], array2[col] );
437 if ( ret !== 0 ) {
438 return ret;
439 }
440 }
441 // Fall back to index number column to ensure stable sort
442 return sortText.call( this, array1[array1.length - 1], array2[array2.length - 1] );
443 } );
444 return cache;
445 }
446
447 function buildTransformTable() {
448 var digits = '0123456789,.'.split( '' );
449 var separatorTransformTable = mw.config.get( 'wgSeparatorTransformTable' );
450 var digitTransformTable = mw.config.get( 'wgDigitTransformTable' );
451 if ( separatorTransformTable === null || ( separatorTransformTable[0] === '' && digitTransformTable[2] === '' ) ) {
452 ts.transformTable = false;
453 } else {
454 ts.transformTable = {};
455
456 // Unpack the transform table
457 var ascii = separatorTransformTable[0].split( '\t' ).concat( digitTransformTable[0].split( '\t' ) );
458 var localised = separatorTransformTable[1].split( '\t' ).concat( digitTransformTable[1].split( '\t' ) );
459
460 // Construct regex for number identification
461 for ( var i = 0; i < ascii.length; i++ ) {
462 ts.transformTable[localised[i]] = ascii[i];
463 digits.push( $.escapeRE( localised[i] ) );
464 }
465 }
466 var digitClass = '[' + digits.join( '', digits ) + ']';
467
468 // We allow a trailing percent sign, which we just strip. This works fine
469 // if percents and regular numbers aren't being mixed.
470 ts.numberRegex = new RegExp('^(' + '[-+\u2212]?[0-9][0-9,]*(\\.[0-9,]*)?(E[-+\u2212]?[0-9][0-9,]*)?' + // Fortran-style scientific
471 '|' + '[-+\u2212]?' + digitClass + '+[\\s\\xa0]*%?' + // Generic localised
472 ')$', 'i');
473 }
474
475 function buildDateTable() {
476 var regex = [];
477 ts.monthNames = {};
478
479 for ( var i = 1; i < 13; i++ ) {
480 var name = mw.config.get( 'wgMonthNames' )[i].toLowerCase();
481 ts.monthNames[name] = i;
482 regex.push( $.escapeRE( name ) );
483 name = mw.config.get( 'wgMonthNamesShort' )[i].toLowerCase().replace( '.', '' );
484 ts.monthNames[name] = i;
485 regex.push( $.escapeRE( name ) );
486 }
487
488 // Build piped string
489 regex = regex.join( '|' );
490
491 // Build RegEx
492 // Any date formated with . , ' - or /
493 ts.dateRegex[0] = new RegExp( /^\s*(\d{1,2})[\,\.\-\/'\s]{1,2}(\d{1,2})[\,\.\-\/'\s]{1,2}(\d{2,4})\s*?/i);
494
495 // Written Month name, dmy
496 ts.dateRegex[1] = new RegExp( '^\\s*(\\d{1,2})[\\,\\.\\-\\/\'\\s]+(' + regex + ')' + '[\\,\\.\\-\\/\'\\s]+(\\d{2,4})\\s*$', 'i' );
497
498 // Written Month name, mdy
499 ts.dateRegex[2] = new RegExp( '^\\s*(' + regex + ')' + '[\\,\\.\\-\\/\'\\s]+(\\d{1,2})[\\,\\.\\-\\/\'\\s]+(\\d{2,4})\\s*$', 'i' );
500
501 }
502
503 /**
504 * Replace all rowspanned cells in the body with clones in each row, so sorting
505 * need not worry about them.
506 *
507 * @param $table jQuery object for a <table>
508 */
509 function explodeRowspans( $table ) {
510 var rowspanCells = $table.find( '> tbody > tr > [rowspan]' ).get();
511
512 // Short circuit
513 if ( !rowspanCells.length ) {
514 return;
515 }
516
517 // First, we need to make a property like cellIndex but taking into
518 // account colspans. We also cache the rowIndex to avoid having to take
519 // cell.parentNode.rowIndex in the sorting function below.
520 $table.find( '> tbody > tr' ).each( function () {
521 var col = 0;
522 var l = this.cells.length;
523 for ( var i = 0; i < l; i++ ) {
524 this.cells[i].realCellIndex = col;
525 this.cells[i].realRowIndex = this.rowIndex;
526 col += this.cells[i].colSpan;
527 }
528 } );
529
530 // Split multi row cells into multiple cells with the same content.
531 // Sort by column then row index to avoid problems with odd table structures.
532 // Re-sort whenever a rowspanned cell's realCellIndex is changed, because it
533 // might change the sort order.
534 function resortCells() {
535 rowspanCells = rowspanCells.sort( function ( a, b ) {
536 var ret = a.realCellIndex - b.realCellIndex;
537 if ( !ret ) {
538 ret = a.realRowIndex - b.realRowIndex;
539 }
540 return ret;
541 } );
542 $.each( rowspanCells, function () {
543 this.needResort = false;
544 } );
545 }
546 resortCells();
547
548 var spanningRealCellIndex, rowSpan, colSpan;
549 function filterfunc() {
550 return this.realCellIndex >= spanningRealCellIndex;
551 }
552
553 function fixTdCellIndex() {
554 this.realCellIndex += colSpan;
555 if ( this.rowSpan > 1 ) {
556 this.needResort = true;
557 }
558 }
559
560 while ( rowspanCells.length ) {
561 if ( rowspanCells[0].needResort ) {
562 resortCells();
563 }
564
565 var cell = rowspanCells.shift();
566 rowSpan = cell.rowSpan;
567 colSpan = cell.colSpan;
568 spanningRealCellIndex = cell.realCellIndex;
569 cell.rowSpan = 1;
570 var $nextRows = $( cell ).parent().nextAll();
571 for ( var i = 0; i < rowSpan - 1; i++ ) {
572 var $tds = $( $nextRows[i].cells ).filter( filterfunc );
573 var $clone = $( cell ).clone();
574 $clone[0].realCellIndex = spanningRealCellIndex;
575 if ( $tds.length ) {
576 $tds.each( fixTdCellIndex );
577 $tds.first().before( $clone );
578 } else {
579 $nextRows.eq( i ).append( $clone );
580 }
581 }
582 }
583 }
584
585 function buildCollationTable() {
586 ts.collationTable = mw.config.get( 'tableSorterCollation' );
587 ts.collationRegex = null;
588 if ( ts.collationTable ) {
589 var keys = [];
590
591 // Build array of key names
592 for ( var key in ts.collationTable ) {
593 if ( ts.collationTable.hasOwnProperty(key) ) { //to be safe
594 keys.push(key);
595 }
596 }
597 if (keys.length) {
598 ts.collationRegex = new RegExp( '[' + keys.join( '' ) + ']', 'ig' );
599 }
600 }
601 }
602
603 function cacheRegexs() {
604 if ( ts.rgx ) {
605 return;
606 }
607 ts.rgx = {
608 IPAddress: [
609 new RegExp( /^\d{1,3}[\.]\d{1,3}[\.]\d{1,3}[\.]\d{1,3}$/)
610 ],
611 currency: [
612 new RegExp( /(^[£$€¥]|[£$€¥]$)/),
613 new RegExp( /[£$€¥]/g)
614 ],
615 url: [
616 new RegExp( /^(https?|ftp|file):\/\/$/),
617 new RegExp( /(https?|ftp|file):\/\//)
618 ],
619 isoDate: [
620 new RegExp( /^\d{4}[\/\-]\d{1,2}[\/\-]\d{1,2}$/)
621 ],
622 usLongDate: [
623 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)))$/)
624 ],
625 time: [
626 new RegExp( /^(([0-2]?[0-9]:[0-5][0-9])|([0-1]?[0-9]:[0-5][0-9]\s(am|pm)))$/)
627 ]
628 };
629 }
630
631 /**
632 * Converts sort objects [ { Integer: String }, ... ] to the internally used nested array
633 * structure [ [ Integer , Integer ], ... ]
634 *
635 * @param sortObjects {Array} List of sort objects.
636 * @return {Array} List of internal sort definitions.
637 */
638
639 function convertSortList( sortObjects ) {
640 var sortList = [];
641 $.each( sortObjects, function( i, sortObject ) {
642 $.each ( sortObject, function( columnIndex, order ) {
643 var orderIndex = ( order === 'desc' ) ? 1 : 0;
644 sortList.push( [parseInt( columnIndex, 10 ), orderIndex] );
645 } );
646 } );
647 return sortList;
648 }
649
650 /* Public scope */
651
652 $.tablesorter = {
653
654 defaultOptions: {
655 cssHeader: 'headerSort',
656 cssAsc: 'headerSortUp',
657 cssDesc: 'headerSortDown',
658 cssChildRow: 'expand-child',
659 sortInitialOrder: 'asc',
660 sortMultiSortKey: 'shiftKey',
661 sortLocaleCompare: false,
662 unsortableClass: 'unsortable',
663 parsers: {},
664 widgets: [],
665 headers: {},
666 cancelSelection: true,
667 sortList: [],
668 headerList: [],
669 selectorHeaders: 'thead tr:eq(0) th',
670 debug: false
671 },
672
673 dateRegex: [],
674 monthNames: {},
675
676 /**
677 * @param $tables {jQuery}
678 * @param settings {Object} (optional)
679 */
680 construct: function ( $tables, settings ) {
681 return $tables.each( function ( i, table ) {
682 // Declare and cache.
683 var $headers, cache, config,
684 $table = $( table ),
685 firstTime = true;
686
687 // Quit if no tbody
688 if ( !table.tBodies ) {
689 return;
690 }
691 if ( !table.tHead ) {
692 // No thead found. Look for rows with <th>s and
693 // move them into a <thead> tag or a <tfoot> tag
694 emulateTHeadAndFoot( $table );
695
696 // Still no thead? Then quit
697 if ( !table.tHead ) {
698 return;
699 }
700 }
701 $table.addClass( 'jquery-tablesorter' );
702
703 // FIXME config should probably not be stored in the plain table node
704 // New config object.
705 table.config = {};
706
707 // Merge and extend.
708 config = $.extend( table.config, $.tablesorter.defaultOptions, settings );
709
710 // Save the settings where they read
711 $.data( table, 'tablesorter', { config: config } );
712
713 // Get the CSS class names, could be done else where.
714 var sortCSS = [ config.cssDesc, config.cssAsc ];
715 var sortMsg = [ mw.msg( 'sort-descending' ), mw.msg( 'sort-ascending' ) ];
716
717 // Build headers
718 $headers = buildHeaders( table, sortMsg );
719
720 // Grab and process locale settings
721 buildTransformTable();
722 buildDateTable();
723 buildCollationTable();
724
725 // Precaching regexps can bring 10 fold
726 // performance improvements in some browsers.
727 cacheRegexs();
728
729 function setupForFirstSort() {
730 firstTime = false;
731
732 // Legacy fix of .sortbottoms
733 // Wrap them inside inside a tfoot (because that's what they actually want to be) &
734 // and put the <tfoot> at the end of the <table>
735 var $sortbottoms = $table.find( '> tbody > tr.sortbottom' );
736 if ( $sortbottoms.length ) {
737 var $tfoot = $table.children( 'tfoot' );
738 if ( $tfoot.length ) {
739 $tfoot.eq(0).prepend( $sortbottoms );
740 } else {
741 $table.append( $( '<tfoot>' ).append( $sortbottoms ) );
742 }
743 }
744
745 explodeRowspans( $table );
746
747 // try to auto detect column type, and store in tables config
748 table.config.parsers = buildParserCache( table, $headers );
749 }
750
751 // Apply event handling to headers
752 // this is too big, perhaps break it out?
753 $headers.not( '.' + table.config.unsortableClass ).on( 'keypress click', function ( e ) {
754 if ( e.type === 'click' && e.target.nodeName.toLowerCase() === 'a' ) {
755 // The user clicked on a link inside a table header.
756 // Do nothing and let the default link click action continue.
757 return true;
758 }
759
760 if ( e.type === 'keypress' && e.which !== 13 ) {
761 // Only handle keypresses on the "Enter" key.
762 return true;
763 }
764
765 if ( firstTime ) {
766 setupForFirstSort();
767 }
768
769 // Build the cache for the tbody cells
770 // to share between calculations for this sort action.
771 // Re-calculated each time a sort action is performed due to possiblity
772 // that sort values change. Shouldn't be too expensive, but if it becomes
773 // too slow an event based system should be implemented somehow where
774 // cells get event .change() and bubbles up to the <table> here
775 cache = buildCache( table );
776
777 var totalRows = ( $table[0].tBodies[0] && $table[0].tBodies[0].rows.length ) || 0;
778 if ( !table.sortDisabled && totalRows > 0 ) {
779 // Get current column sort order
780 this.order = this.count % 2;
781 this.count++;
782
783 var cell = this;
784 // Get current column index
785 var columns = table.headerToColumns[ this.headerIndex ];
786 var newSortList = $.map( columns, function (c) {
787 // jQuery "helpfully" flattens the arrays...
788 return [[c, cell.order]];
789 });
790 // Index of first column belonging to this header
791 var i = columns[0];
792
793 if ( !e[config.sortMultiSortKey] ) {
794 // User only wants to sort on one column set
795 // Flush the sort list and add new columns
796 config.sortList = newSortList;
797 } else {
798 // Multi column sorting
799 // It is not possible for one column to belong to multiple headers,
800 // so this is okay - we don't need to check for every value in the columns array
801 if ( isValueInArray( i, config.sortList ) ) {
802 // The user has clicked on an already sorted column.
803 // Reverse the sorting direction for all tables.
804 for ( var j = 0; j < config.sortList.length; j++ ) {
805 var s = config.sortList[j],
806 o = config.headerList[s[0]];
807 if ( isValueInArray( s[0], newSortList ) ) {
808 o.count = s[1];
809 o.count++;
810 s[1] = o.count % 2;
811 }
812 }
813 } else {
814 // Add columns to sort list array
815 config.sortList = config.sortList.concat( newSortList );
816 }
817 }
818
819 // Reset order/counts of cells not affected by sorting
820 setHeadersOrder( $headers, config.sortList, table.headerToColumns );
821
822 // Set CSS for headers
823 setHeadersCss( $table[0], $headers, config.sortList, sortCSS, sortMsg, table.columnToHeader );
824 appendToTable(
825 $table[0], multisort( $table[0], config.sortList, cache )
826 );
827
828 // Stop normal event by returning false
829 return false;
830 }
831
832 // Cancel selection
833 } ).mousedown( function () {
834 if ( config.cancelSelection ) {
835 this.onselectstart = function () {
836 return false;
837 };
838 return false;
839 }
840 } );
841
842 /**
843 * Sorts the table. If no sorting is specified by passing a list of sort
844 * objects, the table is sorted according to the initial sorting order.
845 * Passing an empty array will reset sorting (basically just reset the headers
846 * making the table appear unsorted).
847 *
848 * @param sortList {Array} (optional) List of sort objects.
849 */
850 $table.data( 'tablesorter' ).sort = function( sortList ) {
851
852 if ( firstTime ) {
853 setupForFirstSort();
854 }
855
856 if ( sortList === undefined ) {
857 sortList = config.sortList;
858 } else if ( sortList.length > 0 ) {
859 sortList = convertSortList( sortList );
860 }
861
862 // Set each column's sort count to be able to determine the correct sort
863 // order when clicking on a header cell the next time
864 setHeadersOrder( $headers, sortList, table.headerToColumns );
865
866 // re-build the cache for the tbody cells
867 cache = buildCache( table );
868
869 // set css for headers
870 setHeadersCss( table, $headers, sortList, sortCSS, sortMsg, table.columnToHeader );
871
872 // sort the table and append it to the dom
873 appendToTable( table, multisort( table, sortList, cache ) );
874 };
875
876 // sort initially
877 if ( config.sortList.length > 0 ) {
878 setupForFirstSort();
879 config.sortList = convertSortList( config.sortList );
880 $table.data( 'tablesorter' ).sort();
881 }
882
883 } );
884 },
885
886 addParser: function ( parser ) {
887 var l = parsers.length,
888 a = true;
889 for ( var i = 0; i < l; i++ ) {
890 if ( parsers[i].id.toLowerCase() === parser.id.toLowerCase() ) {
891 a = false;
892 }
893 }
894 if ( a ) {
895 parsers.push( parser );
896 }
897 },
898
899 formatDigit: function ( s ) {
900 var out, c, p, i;
901 if ( ts.transformTable !== false ) {
902 out = '';
903 for ( p = 0; p < s.length; p++ ) {
904 c = s.charAt(p);
905 if ( c in ts.transformTable ) {
906 out += ts.transformTable[c];
907 } else {
908 out += c;
909 }
910 }
911 s = out;
912 }
913 i = parseFloat( s.replace( /[, ]/g, '' ).replace( '\u2212', '-' ) );
914 return isNaN( i ) ? 0 : i;
915 },
916
917 formatFloat: function ( s ) {
918 var i = parseFloat(s);
919 return isNaN( i ) ? 0 : i;
920 },
921
922 formatInt: function ( s ) {
923 var i = parseInt( s, 10 );
924 return isNaN( i ) ? 0 : i;
925 },
926
927 clearTableBody: function ( table ) {
928 $( table.tBodies[0] ).empty();
929 }
930 };
931
932 // Shortcut
933 ts = $.tablesorter;
934
935 // Register as jQuery prototype method
936 $.fn.tablesorter = function ( settings ) {
937 return ts.construct( this, settings );
938 };
939
940 // Add default parsers
941 ts.addParser( {
942 id: 'text',
943 is: function () {
944 return true;
945 },
946 format: function ( s ) {
947 s = $.trim( s.toLowerCase() );
948 if ( ts.collationRegex ) {
949 var tsc = ts.collationTable;
950 s = s.replace( ts.collationRegex, function ( match ) {
951 var r = tsc[match] ? tsc[match] : tsc[match.toUpperCase()];
952 return r.toLowerCase();
953 } );
954 }
955 return s;
956 },
957 type: 'text'
958 } );
959
960 ts.addParser( {
961 id: 'IPAddress',
962 is: function ( s ) {
963 return ts.rgx.IPAddress[0].test(s);
964 },
965 format: function ( s ) {
966 var a = s.split( '.' ),
967 r = '',
968 l = a.length;
969 for ( var i = 0; i < l; i++ ) {
970 var item = a[i];
971 if ( item.length === 1 ) {
972 r += '00' + item;
973 } else if ( item.length === 2 ) {
974 r += '0' + item;
975 } else {
976 r += item;
977 }
978 }
979 return $.tablesorter.formatFloat(r);
980 },
981 type: 'numeric'
982 } );
983
984 ts.addParser( {
985 id: 'currency',
986 is: function ( s ) {
987 return ts.rgx.currency[0].test(s);
988 },
989 format: function ( s ) {
990 return $.tablesorter.formatDigit( s.replace( ts.rgx.currency[1], '' ) );
991 },
992 type: 'numeric'
993 } );
994
995 ts.addParser( {
996 id: 'url',
997 is: function ( s ) {
998 return ts.rgx.url[0].test(s);
999 },
1000 format: function ( s ) {
1001 return $.trim( s.replace( ts.rgx.url[1], '' ) );
1002 },
1003 type: 'text'
1004 } );
1005
1006 ts.addParser( {
1007 id: 'isoDate',
1008 is: function ( s ) {
1009 return ts.rgx.isoDate[0].test(s);
1010 },
1011 format: function ( s ) {
1012 return $.tablesorter.formatFloat((s !== '') ? new Date(s.replace(
1013 new RegExp( /-/g), '/')).getTime() : '0' );
1014 },
1015 type: 'numeric'
1016 } );
1017
1018 ts.addParser( {
1019 id: 'usLongDate',
1020 is: function ( s ) {
1021 return ts.rgx.usLongDate[0].test(s);
1022 },
1023 format: function ( s ) {
1024 return $.tablesorter.formatFloat( new Date(s).getTime() );
1025 },
1026 type: 'numeric'
1027 } );
1028
1029 ts.addParser( {
1030 id: 'date',
1031 is: function ( s ) {
1032 return ( ts.dateRegex[0].test(s) || ts.dateRegex[1].test(s) || ts.dateRegex[2].test(s ));
1033 },
1034 format: function ( s ) {
1035 var match;
1036 s = $.trim( s.toLowerCase() );
1037
1038 if ( ( match = s.match( ts.dateRegex[0] ) ) !== null ) {
1039 if ( mw.config.get( 'wgDefaultDateFormat' ) === 'mdy' || mw.config.get( 'wgContentLanguage' ) === 'en' ) {
1040 s = [ match[3], match[1], match[2] ];
1041 } else if ( mw.config.get( 'wgDefaultDateFormat' ) === 'dmy' ) {
1042 s = [ match[3], match[2], match[1] ];
1043 } else {
1044 // If we get here, we don't know which order the dd-dd-dddd
1045 // date is in. So return something not entirely invalid.
1046 return '99999999';
1047 }
1048 } else if ( ( match = s.match( ts.dateRegex[1] ) ) !== null ) {
1049 s = [ match[3], '' + ts.monthNames[match[2]], match[1] ];
1050 } else if ( ( match = s.match( ts.dateRegex[2] ) ) !== null ) {
1051 s = [ match[3], '' + ts.monthNames[match[1]], match[2] ];
1052 } else {
1053 // Should never get here
1054 return '99999999';
1055 }
1056
1057 // Pad Month and Day
1058 if ( s[1].length === 1 ) {
1059 s[1] = '0' + s[1];
1060 }
1061 if ( s[2].length === 1 ) {
1062 s[2] = '0' + s[2];
1063 }
1064
1065 var y;
1066 if ( ( y = parseInt( s[0], 10) ) < 100 ) {
1067 // Guestimate years without centuries
1068 if ( y < 30 ) {
1069 s[0] = 2000 + y;
1070 } else {
1071 s[0] = 1900 + y;
1072 }
1073 }
1074 while ( s[0].length < 4 ) {
1075 s[0] = '0' + s[0];
1076 }
1077 return parseInt( s.join( '' ), 10 );
1078 },
1079 type: 'numeric'
1080 } );
1081
1082 ts.addParser( {
1083 id: 'time',
1084 is: function ( s ) {
1085 return ts.rgx.time[0].test(s);
1086 },
1087 format: function ( s ) {
1088 return $.tablesorter.formatFloat( new Date( '2000/01/01 ' + s ).getTime() );
1089 },
1090 type: 'numeric'
1091 } );
1092
1093 ts.addParser( {
1094 id: 'number',
1095 is: function ( s ) {
1096 return $.tablesorter.numberRegex.test( $.trim( s ));
1097 },
1098 format: function ( s ) {
1099 return $.tablesorter.formatDigit(s);
1100 },
1101 type: 'numeric'
1102 } );
1103
1104 }( jQuery, mediaWiki ) );
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