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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 ).is( '.unsortable' ) ) {
342 this.sortDisabled = true;
343 }
344
345 if ( !this.sortDisabled ) {
346 $( this )
347 .addClass( table.config.cssHeader )
348 .attr( 'title', msg[1] )
349 .prop( 'tabIndex', 0 ).attr( 'role', 'button' );
350 }
351
352 // add cell to headerList
353 table.config.headerList[headerIndex] = this;
354 } );
355
356 return $tableHeaders;
357
358 }
359
360 /**
361 * Sets the sort count of the columns that are not affected by the sorting to have them sorted
362 * in default (ascending) order when their header cell is clicked the next time.
363 *
364 * @param {jQuery} $headers
365 * @param {Number[][]} sortList
366 * @param {Number[][]} headerToColumns
367 */
368 function setHeadersOrder( $headers, sortList, headerToColumns ) {
369 // Loop through all headers to retrieve the indices of the columns the header spans across:
370 $.each( headerToColumns, function( headerIndex, columns ) {
371
372 $.each( columns, function( i, columnIndex ) {
373 var header = $headers[headerIndex];
374
375 if ( !isValueInArray( columnIndex, sortList ) ) {
376 // Column shall not be sorted: Reset header count and order.
377 header.order = 0;
378 header.count = 0;
379 } else {
380 // Column shall be sorted: Apply designated count and order.
381 $.each( sortList, function( j, sortColumn ) {
382 if ( sortColumn[0] === i ) {
383 header.order = sortColumn[1];
384 header.count = sortColumn[1] + 1;
385 return false;
386 }
387 } );
388 }
389 } );
390
391 } );
392 }
393
394 function isValueInArray( v, a ) {
395 var l = a.length;
396 for ( var i = 0; i < l; i++ ) {
397 if ( a[i][0] === v ) {
398 return true;
399 }
400 }
401 return false;
402 }
403
404 function setHeadersCss( table, $headers, list, css, msg, columnToHeader ) {
405 // Remove all header information and reset titles to default message
406 $headers.removeClass( css[0] ).removeClass( css[1] ).attr( 'title', msg[1] );
407
408 for ( var i = 0; i < list.length; i++ ) {
409 $headers.eq( columnToHeader[ list[i][0] ] )
410 .addClass( css[ list[i][1] ] )
411 .attr( 'title', msg[ list[i][1] ] );
412 }
413 }
414
415 function sortText( a, b ) {
416 return ( (a < b) ? -1 : ((a > b) ? 1 : 0) );
417 }
418
419 function sortTextDesc( a, b ) {
420 return ( (b < a) ? -1 : ((b > a) ? 1 : 0) );
421 }
422
423 function multisort( table, sortList, cache ) {
424 var sortFn = [];
425 var len = sortList.length;
426 for ( var i = 0; i < len; i++ ) {
427 sortFn[i] = ( sortList[i][1] ) ? sortTextDesc : sortText;
428 }
429 cache.normalized.sort( function ( array1, array2 ) {
430 var col, ret;
431 for ( var i = 0; i < len; i++ ) {
432 col = sortList[i][0];
433 ret = sortFn[i].call( this, array1[col], array2[col] );
434 if ( ret !== 0 ) {
435 return ret;
436 }
437 }
438 // Fall back to index number column to ensure stable sort
439 return sortText.call( this, array1[array1.length - 1], array2[array2.length - 1] );
440 } );
441 return cache;
442 }
443
444 function buildTransformTable() {
445 var digits = '0123456789,.'.split( '' );
446 var separatorTransformTable = mw.config.get( 'wgSeparatorTransformTable' );
447 var digitTransformTable = mw.config.get( 'wgDigitTransformTable' );
448 if ( separatorTransformTable === null || ( separatorTransformTable[0] === '' && digitTransformTable[2] === '' ) ) {
449 ts.transformTable = false;
450 } else {
451 ts.transformTable = {};
452
453 // Unpack the transform table
454 var ascii = separatorTransformTable[0].split( '\t' ).concat( digitTransformTable[0].split( '\t' ) );
455 var localised = separatorTransformTable[1].split( '\t' ).concat( digitTransformTable[1].split( '\t' ) );
456
457 // Construct regex for number identification
458 for ( var i = 0; i < ascii.length; i++ ) {
459 ts.transformTable[localised[i]] = ascii[i];
460 digits.push( $.escapeRE( localised[i] ) );
461 }
462 }
463 var digitClass = '[' + digits.join( '', digits ) + ']';
464
465 // We allow a trailing percent sign, which we just strip. This works fine
466 // if percents and regular numbers aren't being mixed.
467 ts.numberRegex = new RegExp('^(' + '[-+\u2212]?[0-9][0-9,]*(\\.[0-9,]*)?(E[-+\u2212]?[0-9][0-9,]*)?' + // Fortran-style scientific
468 '|' + '[-+\u2212]?' + digitClass + '+[\\s\\xa0]*%?' + // Generic localised
469 ')$', 'i');
470 }
471
472 function buildDateTable() {
473 var regex = [];
474 ts.monthNames = {};
475
476 for ( var i = 1; i < 13; i++ ) {
477 var name = mw.config.get( 'wgMonthNames' )[i].toLowerCase();
478 ts.monthNames[name] = i;
479 regex.push( $.escapeRE( name ) );
480 name = mw.config.get( 'wgMonthNamesShort' )[i].toLowerCase().replace( '.', '' );
481 ts.monthNames[name] = i;
482 regex.push( $.escapeRE( name ) );
483 }
484
485 // Build piped string
486 regex = regex.join( '|' );
487
488 // Build RegEx
489 // Any date formated with . , ' - or /
490 ts.dateRegex[0] = new RegExp( /^\s*(\d{1,2})[\,\.\-\/'\s]{1,2}(\d{1,2})[\,\.\-\/'\s]{1,2}(\d{2,4})\s*?/i);
491
492 // Written Month name, dmy
493 ts.dateRegex[1] = new RegExp( '^\\s*(\\d{1,2})[\\,\\.\\-\\/\'\\s]+(' + regex + ')' + '[\\,\\.\\-\\/\'\\s]+(\\d{2,4})\\s*$', 'i' );
494
495 // Written Month name, mdy
496 ts.dateRegex[2] = new RegExp( '^\\s*(' + regex + ')' + '[\\,\\.\\-\\/\'\\s]+(\\d{1,2})[\\,\\.\\-\\/\'\\s]+(\\d{2,4})\\s*$', 'i' );
497
498 }
499
500 /**
501 * Replace all rowspanned cells in the body with clones in each row, so sorting
502 * need not worry about them.
503 *
504 * @param $table jQuery object for a <table>
505 */
506 function explodeRowspans( $table ) {
507 var rowspanCells = $table.find( '> tbody > tr > [rowspan]' ).get();
508
509 // Short circuit
510 if ( !rowspanCells.length ) {
511 return;
512 }
513
514 // First, we need to make a property like cellIndex but taking into
515 // account colspans. We also cache the rowIndex to avoid having to take
516 // cell.parentNode.rowIndex in the sorting function below.
517 $table.find( '> tbody > tr' ).each( function () {
518 var col = 0;
519 var l = this.cells.length;
520 for ( var i = 0; i < l; i++ ) {
521 this.cells[i].realCellIndex = col;
522 this.cells[i].realRowIndex = this.rowIndex;
523 col += this.cells[i].colSpan;
524 }
525 } );
526
527 // Split multi row cells into multiple cells with the same content.
528 // Sort by column then row index to avoid problems with odd table structures.
529 // Re-sort whenever a rowspanned cell's realCellIndex is changed, because it
530 // might change the sort order.
531 function resortCells() {
532 rowspanCells = rowspanCells.sort( function ( a, b ) {
533 var ret = a.realCellIndex - b.realCellIndex;
534 if ( !ret ) {
535 ret = a.realRowIndex - b.realRowIndex;
536 }
537 return ret;
538 } );
539 $.each( rowspanCells, function () {
540 this.needResort = false;
541 } );
542 }
543 resortCells();
544
545 var spanningRealCellIndex, rowSpan, colSpan;
546 function filterfunc() {
547 return this.realCellIndex >= spanningRealCellIndex;
548 }
549
550 function fixTdCellIndex() {
551 this.realCellIndex += colSpan;
552 if ( this.rowSpan > 1 ) {
553 this.needResort = true;
554 }
555 }
556
557 while ( rowspanCells.length ) {
558 if ( rowspanCells[0].needResort ) {
559 resortCells();
560 }
561
562 var cell = rowspanCells.shift();
563 rowSpan = cell.rowSpan;
564 colSpan = cell.colSpan;
565 spanningRealCellIndex = cell.realCellIndex;
566 cell.rowSpan = 1;
567 var $nextRows = $( cell ).parent().nextAll();
568 for ( var i = 0; i < rowSpan - 1; i++ ) {
569 var $tds = $( $nextRows[i].cells ).filter( filterfunc );
570 var $clone = $( cell ).clone();
571 $clone[0].realCellIndex = spanningRealCellIndex;
572 if ( $tds.length ) {
573 $tds.each( fixTdCellIndex );
574 $tds.first().before( $clone );
575 } else {
576 $nextRows.eq( i ).append( $clone );
577 }
578 }
579 }
580 }
581
582 function buildCollationTable() {
583 ts.collationTable = mw.config.get( 'tableSorterCollation' );
584 ts.collationRegex = null;
585 if ( ts.collationTable ) {
586 var keys = [];
587
588 // Build array of key names
589 for ( var key in ts.collationTable ) {
590 if ( ts.collationTable.hasOwnProperty(key) ) { //to be safe
591 keys.push(key);
592 }
593 }
594 if (keys.length) {
595 ts.collationRegex = new RegExp( '[' + keys.join( '' ) + ']', 'ig' );
596 }
597 }
598 }
599
600 function cacheRegexs() {
601 if ( ts.rgx ) {
602 return;
603 }
604 ts.rgx = {
605 IPAddress: [
606 new RegExp( /^\d{1,3}[\.]\d{1,3}[\.]\d{1,3}[\.]\d{1,3}$/)
607 ],
608 currency: [
609 new RegExp( /(^[£$€¥]|[£$€¥]$)/),
610 new RegExp( /[£$€¥]/g)
611 ],
612 url: [
613 new RegExp( /^(https?|ftp|file):\/\/$/),
614 new RegExp( /(https?|ftp|file):\/\//)
615 ],
616 isoDate: [
617 new RegExp( /^\d{4}[\/\-]\d{1,2}[\/\-]\d{1,2}$/)
618 ],
619 usLongDate: [
620 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)))$/)
621 ],
622 time: [
623 new RegExp( /^(([0-2]?[0-9]:[0-5][0-9])|([0-1]?[0-9]:[0-5][0-9]\s(am|pm)))$/)
624 ]
625 };
626 }
627
628 /**
629 * Converts sort objects [ { Integer: String }, ... ] to the internally used nested array
630 * structure [ [ Integer , Integer ], ... ]
631 *
632 * @param sortObjects {Array} List of sort objects.
633 * @return {Array} List of internal sort definitions.
634 */
635
636 function convertSortList( sortObjects ) {
637 var sortList = [];
638 $.each( sortObjects, function( i, sortObject ) {
639 $.each ( sortObject, function( columnIndex, order ) {
640 var orderIndex = ( order === 'desc' ) ? 1 : 0;
641 sortList.push( [parseInt( columnIndex, 10 ), orderIndex] );
642 } );
643 } );
644 return sortList;
645 }
646
647 /* Public scope */
648
649 $.tablesorter = {
650
651 defaultOptions: {
652 cssHeader: 'headerSort',
653 cssAsc: 'headerSortUp',
654 cssDesc: 'headerSortDown',
655 cssChildRow: 'expand-child',
656 sortInitialOrder: 'asc',
657 sortMultiSortKey: 'shiftKey',
658 sortLocaleCompare: false,
659 parsers: {},
660 widgets: [],
661 headers: {},
662 cancelSelection: true,
663 sortList: [],
664 headerList: [],
665 selectorHeaders: 'thead tr:eq(0) th',
666 debug: false
667 },
668
669 dateRegex: [],
670 monthNames: {},
671
672 /**
673 * @param $tables {jQuery}
674 * @param settings {Object} (optional)
675 */
676 construct: function ( $tables, settings ) {
677 return $tables.each( function ( i, table ) {
678 // Declare and cache.
679 var $headers, cache, config,
680 $table = $( table ),
681 firstTime = true;
682
683 // Quit if no tbody
684 if ( !table.tBodies ) {
685 return;
686 }
687 if ( !table.tHead ) {
688 // No thead found. Look for rows with <th>s and
689 // move them into a <thead> tag or a <tfoot> tag
690 emulateTHeadAndFoot( $table );
691
692 // Still no thead? Then quit
693 if ( !table.tHead ) {
694 return;
695 }
696 }
697 $table.addClass( 'jquery-tablesorter' );
698
699 // FIXME config should probably not be stored in the plain table node
700 // New config object.
701 table.config = {};
702
703 // Merge and extend.
704 config = $.extend( table.config, $.tablesorter.defaultOptions, settings );
705
706 // Save the settings where they read
707 $.data( table, 'tablesorter', { config: config } );
708
709 // Get the CSS class names, could be done else where.
710 var sortCSS = [ config.cssDesc, config.cssAsc ];
711 var sortMsg = [ mw.msg( 'sort-descending' ), mw.msg( 'sort-ascending' ) ];
712
713 // Build headers
714 $headers = buildHeaders( table, sortMsg );
715
716 // Grab and process locale settings
717 buildTransformTable();
718 buildDateTable();
719 buildCollationTable();
720
721 // Precaching regexps can bring 10 fold
722 // performance improvements in some browsers.
723 cacheRegexs();
724
725 function setupForFirstSort() {
726 firstTime = false;
727
728 // Legacy fix of .sortbottoms
729 // Wrap them inside inside a tfoot (because that's what they actually want to be) &
730 // and put the <tfoot> at the end of the <table>
731 var $sortbottoms = $table.find( '> tbody > tr.sortbottom' );
732 if ( $sortbottoms.length ) {
733 var $tfoot = $table.children( 'tfoot' );
734 if ( $tfoot.length ) {
735 $tfoot.eq(0).prepend( $sortbottoms );
736 } else {
737 $table.append( $( '<tfoot>' ).append( $sortbottoms ) );
738 }
739 }
740
741 explodeRowspans( $table );
742
743 // try to auto detect column type, and store in tables config
744 table.config.parsers = buildParserCache( table, $headers );
745 }
746
747 // Apply event handling to headers
748 // this is too big, perhaps break it out?
749 $headers.filter( ':not(.unsortable)' ).on( 'keypress click', function ( e ) {
750 if ( e.type === 'click' && e.target.nodeName.toLowerCase() === 'a' ) {
751 // The user clicked on a link inside a table header.
752 // Do nothing and let the default link click action continue.
753 return true;
754 }
755
756 if ( e.type === 'keypress' && e.which !== 13 ) {
757 // Only handle keypresses on the "Enter" key.
758 return true;
759 }
760
761 if ( firstTime ) {
762 setupForFirstSort();
763 }
764
765 // Build the cache for the tbody cells
766 // to share between calculations for this sort action.
767 // Re-calculated each time a sort action is performed due to possiblity
768 // that sort values change. Shouldn't be too expensive, but if it becomes
769 // too slow an event based system should be implemented somehow where
770 // cells get event .change() and bubbles up to the <table> here
771 cache = buildCache( table );
772
773 var totalRows = ( $table[0].tBodies[0] && $table[0].tBodies[0].rows.length ) || 0;
774 if ( !table.sortDisabled && totalRows > 0 ) {
775 // Get current column sort order
776 this.order = this.count % 2;
777 this.count++;
778
779 var cell = this;
780 // Get current column index
781 var columns = table.headerToColumns[ this.headerIndex ];
782 var newSortList = $.map( columns, function (c) {
783 // jQuery "helpfully" flattens the arrays...
784 return [[c, cell.order]];
785 });
786 // Index of first column belonging to this header
787 var i = columns[0];
788
789 if ( !e[config.sortMultiSortKey] ) {
790 // User only wants to sort on one column set
791 // Flush the sort list and add new columns
792 config.sortList = newSortList;
793 } else {
794 // Multi column sorting
795 // It is not possible for one column to belong to multiple headers,
796 // so this is okay - we don't need to check for every value in the columns array
797 if ( isValueInArray( i, config.sortList ) ) {
798 // The user has clicked on an already sorted column.
799 // Reverse the sorting direction for all tables.
800 for ( var j = 0; j < config.sortList.length; j++ ) {
801 var s = config.sortList[j],
802 o = config.headerList[s[0]];
803 if ( isValueInArray( s[0], newSortList ) ) {
804 o.count = s[1];
805 o.count++;
806 s[1] = o.count % 2;
807 }
808 }
809 } else {
810 // Add columns to sort list array
811 config.sortList = config.sortList.concat( newSortList );
812 }
813 }
814
815 // Reset order/counts of cells not affected by sorting
816 setHeadersOrder( $headers, config.sortList, table.headerToColumns );
817
818 // Set CSS for headers
819 setHeadersCss( $table[0], $headers, config.sortList, sortCSS, sortMsg, table.columnToHeader );
820 appendToTable(
821 $table[0], multisort( $table[0], config.sortList, cache )
822 );
823
824 // Stop normal event by returning false
825 return false;
826 }
827
828 // Cancel selection
829 } ).mousedown( function () {
830 if ( config.cancelSelection ) {
831 this.onselectstart = function () {
832 return false;
833 };
834 return false;
835 }
836 } );
837
838 /**
839 * Sorts the table. If no sorting is specified by passing a list of sort
840 * objects, the table is sorted according to the initial sorting order.
841 * Passing an empty array will reset sorting (basically just reset the headers
842 * making the table appear unsorted).
843 *
844 * @param sortList {Array} (optional) List of sort objects.
845 */
846 $table.data( 'tablesorter' ).sort = function( sortList ) {
847
848 if ( firstTime ) {
849 setupForFirstSort();
850 }
851
852 if ( sortList === undefined ) {
853 sortList = config.sortList;
854 } else if ( sortList.length > 0 ) {
855 sortList = convertSortList( sortList );
856 }
857
858 // Set each column's sort count to be able to determine the correct sort
859 // order when clicking on a header cell the next time
860 setHeadersOrder( $headers, sortList, table.headerToColumns );
861
862 // re-build the cache for the tbody cells
863 cache = buildCache( table );
864
865 // set css for headers
866 setHeadersCss( table, $headers, sortList, sortCSS, sortMsg, table.columnToHeader );
867
868 // sort the table and append it to the dom
869 appendToTable( table, multisort( table, sortList, cache ) );
870 };
871
872 // sort initially
873 if ( config.sortList.length > 0 ) {
874 setupForFirstSort();
875 config.sortList = convertSortList( config.sortList );
876 $table.data( 'tablesorter' ).sort();
877 }
878
879 } );
880 },
881
882 addParser: function ( parser ) {
883 var l = parsers.length,
884 a = true;
885 for ( var i = 0; i < l; i++ ) {
886 if ( parsers[i].id.toLowerCase() === parser.id.toLowerCase() ) {
887 a = false;
888 }
889 }
890 if ( a ) {
891 parsers.push( parser );
892 }
893 },
894
895 formatDigit: function ( s ) {
896 var out, c, p, i;
897 if ( ts.transformTable !== false ) {
898 out = '';
899 for ( p = 0; p < s.length; p++ ) {
900 c = s.charAt(p);
901 if ( c in ts.transformTable ) {
902 out += ts.transformTable[c];
903 } else {
904 out += c;
905 }
906 }
907 s = out;
908 }
909 i = parseFloat( s.replace( /[, ]/g, '' ).replace( '\u2212', '-' ) );
910 return isNaN( i ) ? 0 : i;
911 },
912
913 formatFloat: function ( s ) {
914 var i = parseFloat(s);
915 return isNaN( i ) ? 0 : i;
916 },
917
918 formatInt: function ( s ) {
919 var i = parseInt( s, 10 );
920 return isNaN( i ) ? 0 : i;
921 },
922
923 clearTableBody: function ( table ) {
924 $( table.tBodies[0] ).empty();
925 }
926 };
927
928 // Shortcut
929 ts = $.tablesorter;
930
931 // Register as jQuery prototype method
932 $.fn.tablesorter = function ( settings ) {
933 return ts.construct( this, settings );
934 };
935
936 // Add default parsers
937 ts.addParser( {
938 id: 'text',
939 is: function () {
940 return true;
941 },
942 format: function ( s ) {
943 s = $.trim( s.toLowerCase() );
944 if ( ts.collationRegex ) {
945 var tsc = ts.collationTable;
946 s = s.replace( ts.collationRegex, function ( match ) {
947 var r = tsc[match] ? tsc[match] : tsc[match.toUpperCase()];
948 return r.toLowerCase();
949 } );
950 }
951 return s;
952 },
953 type: 'text'
954 } );
955
956 ts.addParser( {
957 id: 'IPAddress',
958 is: function ( s ) {
959 return ts.rgx.IPAddress[0].test(s);
960 },
961 format: function ( s ) {
962 var a = s.split( '.' ),
963 r = '',
964 l = a.length;
965 for ( var i = 0; i < l; i++ ) {
966 var item = a[i];
967 if ( item.length === 1 ) {
968 r += '00' + item;
969 } else if ( item.length === 2 ) {
970 r += '0' + item;
971 } else {
972 r += item;
973 }
974 }
975 return $.tablesorter.formatFloat(r);
976 },
977 type: 'numeric'
978 } );
979
980 ts.addParser( {
981 id: 'currency',
982 is: function ( s ) {
983 return ts.rgx.currency[0].test(s);
984 },
985 format: function ( s ) {
986 return $.tablesorter.formatDigit( s.replace( ts.rgx.currency[1], '' ) );
987 },
988 type: 'numeric'
989 } );
990
991 ts.addParser( {
992 id: 'url',
993 is: function ( s ) {
994 return ts.rgx.url[0].test(s);
995 },
996 format: function ( s ) {
997 return $.trim( s.replace( ts.rgx.url[1], '' ) );
998 },
999 type: 'text'
1000 } );
1001
1002 ts.addParser( {
1003 id: 'isoDate',
1004 is: function ( s ) {
1005 return ts.rgx.isoDate[0].test(s);
1006 },
1007 format: function ( s ) {
1008 return $.tablesorter.formatFloat((s !== '') ? new Date(s.replace(
1009 new RegExp( /-/g), '/')).getTime() : '0' );
1010 },
1011 type: 'numeric'
1012 } );
1013
1014 ts.addParser( {
1015 id: 'usLongDate',
1016 is: function ( s ) {
1017 return ts.rgx.usLongDate[0].test(s);
1018 },
1019 format: function ( s ) {
1020 return $.tablesorter.formatFloat( new Date(s).getTime() );
1021 },
1022 type: 'numeric'
1023 } );
1024
1025 ts.addParser( {
1026 id: 'date',
1027 is: function ( s ) {
1028 return ( ts.dateRegex[0].test(s) || ts.dateRegex[1].test(s) || ts.dateRegex[2].test(s ));
1029 },
1030 format: function ( s ) {
1031 var match;
1032 s = $.trim( s.toLowerCase() );
1033
1034 if ( ( match = s.match( ts.dateRegex[0] ) ) !== null ) {
1035 if ( mw.config.get( 'wgDefaultDateFormat' ) === 'mdy' || mw.config.get( 'wgContentLanguage' ) === 'en' ) {
1036 s = [ match[3], match[1], match[2] ];
1037 } else if ( mw.config.get( 'wgDefaultDateFormat' ) === 'dmy' ) {
1038 s = [ match[3], match[2], match[1] ];
1039 } else {
1040 // If we get here, we don't know which order the dd-dd-dddd
1041 // date is in. So return something not entirely invalid.
1042 return '99999999';
1043 }
1044 } else if ( ( match = s.match( ts.dateRegex[1] ) ) !== null ) {
1045 s = [ match[3], '' + ts.monthNames[match[2]], match[1] ];
1046 } else if ( ( match = s.match( ts.dateRegex[2] ) ) !== null ) {
1047 s = [ match[3], '' + ts.monthNames[match[1]], match[2] ];
1048 } else {
1049 // Should never get here
1050 return '99999999';
1051 }
1052
1053 // Pad Month and Day
1054 if ( s[1].length === 1 ) {
1055 s[1] = '0' + s[1];
1056 }
1057 if ( s[2].length === 1 ) {
1058 s[2] = '0' + s[2];
1059 }
1060
1061 var y;
1062 if ( ( y = parseInt( s[0], 10) ) < 100 ) {
1063 // Guestimate years without centuries
1064 if ( y < 30 ) {
1065 s[0] = 2000 + y;
1066 } else {
1067 s[0] = 1900 + y;
1068 }
1069 }
1070 while ( s[0].length < 4 ) {
1071 s[0] = '0' + s[0];
1072 }
1073 return parseInt( s.join( '' ), 10 );
1074 },
1075 type: 'numeric'
1076 } );
1077
1078 ts.addParser( {
1079 id: 'time',
1080 is: function ( s ) {
1081 return ts.rgx.time[0].test(s);
1082 },
1083 format: function ( s ) {
1084 return $.tablesorter.formatFloat( new Date( '2000/01/01 ' + s ).getTime() );
1085 },
1086 type: 'numeric'
1087 } );
1088
1089 ts.addParser( {
1090 id: 'number',
1091 is: function ( s ) {
1092 return $.tablesorter.numberRegex.test( $.trim( s ));
1093 },
1094 format: function ( s ) {
1095 return $.tablesorter.formatDigit(s);
1096 },
1097 type: 'numeric'
1098 } );
1099
1100 }( jQuery, mediaWiki ) );
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