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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 longest,
291 realCellIndex = 0,
292 $tableHeaders = $( [] ),
293 $tableRows = $( 'thead:eq(0) > tr', table );
294 if ( $tableRows.length <= 1 ) {
295 $tableHeaders = $tableRows.children( 'th' );
296 } else {
297 // We need to find the cells of the row containing the most columns
298 var rowspan,
299 i,
300 headersIndex = [];
301 $tableRows.each( function ( rowIndex ) {
302 $.each( this.cells, function( index2, cell ) {
303 rowspan = Number( cell.rowSpan );
304 for ( i = 0; i < rowspan; i++ ) {
305 if ( headersIndex[rowIndex+i] === undefined ) {
306 headersIndex[rowIndex+i] = $( [] );
307 }
308 headersIndex[rowIndex+i].push( cell );
309 }
310 } );
311 } );
312 $.each( headersIndex, function ( index, cellArray ) {
313 if ( cellArray.length >= maxSeen ) {
314 maxSeen = cellArray.length;
315 longest = index;
316 }
317 } );
318 $tableHeaders = headersIndex[longest];
319 }
320 $tableHeaders.each( function ( index ) {
321 this.column = realCellIndex;
322
323 var colspan = this.colspan;
324 colspan = colspan ? parseInt( colspan, 10 ) : 1;
325 realCellIndex += colspan;
326
327 this.order = 0;
328 this.count = 0;
329
330 if ( $( this ).is( '.unsortable' ) ) {
331 this.sortDisabled = true;
332 }
333
334 if ( !this.sortDisabled ) {
335 $( this ).addClass( table.config.cssHeader ).attr( 'title', msg[1] );
336 }
337
338 // add cell to headerList
339 table.config.headerList[index] = this;
340 } );
341
342 return $tableHeaders;
343
344 }
345
346 /**
347 * Sets the sort count of the columns that are not affected by the sorting to have them sorted
348 * in default (ascending) order when their header cell is clicked the next time.
349 *
350 * @param {jQuery} $headers
351 * @param {Number[][]} sortList
352 * @param {Number[][]} headerToColumns
353 */
354 function setHeadersOrder( $headers, sortList, headerToColumns ) {
355 // Loop through all headers to retrieve the indices of the columns the header spans across:
356 $.each( headerToColumns, function( headerIndex, columns ) {
357
358 $.each( columns, function( i, columnIndex ) {
359 var header = $headers[headerIndex];
360
361 if ( !isValueInArray( columnIndex, sortList ) ) {
362 // Column shall not be sorted: Reset header count and order.
363 header.order = 0;
364 header.count = 0;
365 } else {
366 // Column shall be sorted: Apply designated count and order.
367 $.each( sortList, function( j, sortColumn ) {
368 if ( sortColumn[0] === i ) {
369 header.order = sortColumn[1];
370 header.count = sortColumn[1] + 1;
371 return false;
372 }
373 } );
374 }
375 } );
376
377 } );
378 }
379
380 function isValueInArray( v, a ) {
381 var l = a.length;
382 for ( var i = 0; i < l; i++ ) {
383 if ( a[i][0] === v ) {
384 return true;
385 }
386 }
387 return false;
388 }
389
390 function setHeadersCss( table, $headers, list, css, msg, columnToHeader ) {
391 // Remove all header information and reset titles to default message
392 $headers.removeClass( css[0] ).removeClass( css[1] ).attr( 'title', msg[1] );
393
394 for ( var i = 0; i < list.length; i++ ) {
395 $headers.eq( columnToHeader[ list[i][0] ] )
396 .addClass( css[ list[i][1] ] )
397 .attr( 'title', msg[ list[i][1] ] );
398 }
399 }
400
401 function sortText( a, b ) {
402 return ( (a < b) ? -1 : ((a > b) ? 1 : 0) );
403 }
404
405 function sortTextDesc( a, b ) {
406 return ( (b < a) ? -1 : ((b > a) ? 1 : 0) );
407 }
408
409 function multisort( table, sortList, cache ) {
410 var sortFn = [];
411 var len = sortList.length;
412 for ( var i = 0; i < len; i++ ) {
413 sortFn[i] = ( sortList[i][1] ) ? sortTextDesc : sortText;
414 }
415 cache.normalized.sort( function ( array1, array2 ) {
416 var col, ret;
417 for ( var i = 0; i < len; i++ ) {
418 col = sortList[i][0];
419 ret = sortFn[i].call( this, array1[col], array2[col] );
420 if ( ret !== 0 ) {
421 return ret;
422 }
423 }
424 // Fall back to index number column to ensure stable sort
425 return sortText.call( this, array1[array1.length - 1], array2[array2.length - 1] );
426 } );
427 return cache;
428 }
429
430 function buildTransformTable() {
431 var digits = '0123456789,.'.split( '' );
432 var separatorTransformTable = mw.config.get( 'wgSeparatorTransformTable' );
433 var digitTransformTable = mw.config.get( 'wgDigitTransformTable' );
434 if ( separatorTransformTable === null || ( separatorTransformTable[0] === '' && digitTransformTable[2] === '' ) ) {
435 ts.transformTable = false;
436 } else {
437 ts.transformTable = {};
438
439 // Unpack the transform table
440 var ascii = separatorTransformTable[0].split( '\t' ).concat( digitTransformTable[0].split( '\t' ) );
441 var localised = separatorTransformTable[1].split( '\t' ).concat( digitTransformTable[1].split( '\t' ) );
442
443 // Construct regex for number identification
444 for ( var i = 0; i < ascii.length; i++ ) {
445 ts.transformTable[localised[i]] = ascii[i];
446 digits.push( $.escapeRE( localised[i] ) );
447 }
448 }
449 var digitClass = '[' + digits.join( '', digits ) + ']';
450
451 // We allow a trailing percent sign, which we just strip. This works fine
452 // if percents and regular numbers aren't being mixed.
453 ts.numberRegex = new RegExp('^(' + '[-+\u2212]?[0-9][0-9,]*(\\.[0-9,]*)?(E[-+\u2212]?[0-9][0-9,]*)?' + // Fortran-style scientific
454 '|' + '[-+\u2212]?' + digitClass + '+[\\s\\xa0]*%?' + // Generic localised
455 ')$', 'i');
456 }
457
458 function buildDateTable() {
459 var regex = [];
460 ts.monthNames = {};
461
462 for ( var i = 1; i < 13; i++ ) {
463 var name = mw.config.get( 'wgMonthNames' )[i].toLowerCase();
464 ts.monthNames[name] = i;
465 regex.push( $.escapeRE( name ) );
466 name = mw.config.get( 'wgMonthNamesShort' )[i].toLowerCase().replace( '.', '' );
467 ts.monthNames[name] = i;
468 regex.push( $.escapeRE( name ) );
469 }
470
471 // Build piped string
472 regex = regex.join( '|' );
473
474 // Build RegEx
475 // Any date formated with . , ' - or /
476 ts.dateRegex[0] = new RegExp( /^\s*(\d{1,2})[\,\.\-\/'\s]{1,2}(\d{1,2})[\,\.\-\/'\s]{1,2}(\d{2,4})\s*?/i);
477
478 // Written Month name, dmy
479 ts.dateRegex[1] = new RegExp( '^\\s*(\\d{1,2})[\\,\\.\\-\\/\'\\s]+(' + regex + ')' + '[\\,\\.\\-\\/\'\\s]+(\\d{2,4})\\s*$', 'i' );
480
481 // Written Month name, mdy
482 ts.dateRegex[2] = new RegExp( '^\\s*(' + regex + ')' + '[\\,\\.\\-\\/\'\\s]+(\\d{1,2})[\\,\\.\\-\\/\'\\s]+(\\d{2,4})\\s*$', 'i' );
483
484 }
485
486 /**
487 * Replace all rowspanned cells in the body with clones in each row, so sorting
488 * need not worry about them.
489 *
490 * @param $table jQuery object for a <table>
491 */
492 function explodeRowspans( $table ) {
493 var rowspanCells = $table.find( '> tbody > tr > [rowspan]' ).get();
494
495 // Short circuit
496 if ( !rowspanCells.length ) {
497 return;
498 }
499
500 // First, we need to make a property like cellIndex but taking into
501 // account colspans. We also cache the rowIndex to avoid having to take
502 // cell.parentNode.rowIndex in the sorting function below.
503 $table.find( '> tbody > tr' ).each( function () {
504 var col = 0;
505 var l = this.cells.length;
506 for ( var i = 0; i < l; i++ ) {
507 this.cells[i].realCellIndex = col;
508 this.cells[i].realRowIndex = this.rowIndex;
509 col += this.cells[i].colSpan;
510 }
511 } );
512
513 // Split multi row cells into multiple cells with the same content.
514 // Sort by column then row index to avoid problems with odd table structures.
515 // Re-sort whenever a rowspanned cell's realCellIndex is changed, because it
516 // might change the sort order.
517 function resortCells() {
518 rowspanCells = rowspanCells.sort( function ( a, b ) {
519 var ret = a.realCellIndex - b.realCellIndex;
520 if ( !ret ) {
521 ret = a.realRowIndex - b.realRowIndex;
522 }
523 return ret;
524 } );
525 $.each( rowspanCells, function () {
526 this.needResort = false;
527 } );
528 }
529 resortCells();
530
531 var spanningRealCellIndex, rowSpan, colSpan;
532 function filterfunc() {
533 return this.realCellIndex >= spanningRealCellIndex;
534 }
535
536 function fixTdCellIndex() {
537 this.realCellIndex += colSpan;
538 if ( this.rowSpan > 1 ) {
539 this.needResort = true;
540 }
541 }
542
543 while ( rowspanCells.length ) {
544 if ( rowspanCells[0].needResort ) {
545 resortCells();
546 }
547
548 var cell = rowspanCells.shift();
549 rowSpan = cell.rowSpan;
550 colSpan = cell.colSpan;
551 spanningRealCellIndex = cell.realCellIndex;
552 cell.rowSpan = 1;
553 var $nextRows = $( cell ).parent().nextAll();
554 for ( var i = 0; i < rowSpan - 1; i++ ) {
555 var $tds = $( $nextRows[i].cells ).filter( filterfunc );
556 var $clone = $( cell ).clone();
557 $clone[0].realCellIndex = spanningRealCellIndex;
558 if ( $tds.length ) {
559 $tds.each( fixTdCellIndex );
560 $tds.first().before( $clone );
561 } else {
562 $nextRows.eq( i ).append( $clone );
563 }
564 }
565 }
566 }
567
568 function buildCollationTable() {
569 ts.collationTable = mw.config.get( 'tableSorterCollation' );
570 ts.collationRegex = null;
571 if ( ts.collationTable ) {
572 var keys = [];
573
574 // Build array of key names
575 for ( var key in ts.collationTable ) {
576 if ( ts.collationTable.hasOwnProperty(key) ) { //to be safe
577 keys.push(key);
578 }
579 }
580 if (keys.length) {
581 ts.collationRegex = new RegExp( '[' + keys.join( '' ) + ']', 'ig' );
582 }
583 }
584 }
585
586 function cacheRegexs() {
587 if ( ts.rgx ) {
588 return;
589 }
590 ts.rgx = {
591 IPAddress: [
592 new RegExp( /^\d{1,3}[\.]\d{1,3}[\.]\d{1,3}[\.]\d{1,3}$/)
593 ],
594 currency: [
595 new RegExp( /(^[£$€¥]|[£$€¥]$)/),
596 new RegExp( /[£$€¥]/g)
597 ],
598 url: [
599 new RegExp( /^(https?|ftp|file):\/\/$/),
600 new RegExp( /(https?|ftp|file):\/\//)
601 ],
602 isoDate: [
603 new RegExp( /^\d{4}[\/\-]\d{1,2}[\/\-]\d{1,2}$/)
604 ],
605 usLongDate: [
606 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)))$/)
607 ],
608 time: [
609 new RegExp( /^(([0-2]?[0-9]:[0-5][0-9])|([0-1]?[0-9]:[0-5][0-9]\s(am|pm)))$/)
610 ]
611 };
612 }
613
614 /**
615 * Converts sort objects [ { Integer: String }, ... ] to the internally used nested array
616 * structure [ [ Integer , Integer ], ... ]
617 *
618 * @param sortObjects {Array} List of sort objects.
619 * @return {Array} List of internal sort definitions.
620 */
621
622 function convertSortList( sortObjects ) {
623 var sortList = [];
624 $.each( sortObjects, function( i, sortObject ) {
625 $.each ( sortObject, function( columnIndex, order ) {
626 var orderIndex = ( order === 'desc' ) ? 1 : 0;
627 sortList.push( [parseInt( columnIndex, 10 ), orderIndex] );
628 } );
629 } );
630 return sortList;
631 }
632
633 /* Public scope */
634
635 $.tablesorter = {
636
637 defaultOptions: {
638 cssHeader: 'headerSort',
639 cssAsc: 'headerSortUp',
640 cssDesc: 'headerSortDown',
641 cssChildRow: 'expand-child',
642 sortInitialOrder: 'asc',
643 sortMultiSortKey: 'shiftKey',
644 sortLocaleCompare: false,
645 parsers: {},
646 widgets: [],
647 headers: {},
648 cancelSelection: true,
649 sortList: [],
650 headerList: [],
651 selectorHeaders: 'thead tr:eq(0) th',
652 debug: false
653 },
654
655 dateRegex: [],
656 monthNames: {},
657
658 /**
659 * @param $tables {jQuery}
660 * @param settings {Object} (optional)
661 */
662 construct: function ( $tables, settings ) {
663 return $tables.each( function ( i, table ) {
664 // Declare and cache.
665 var $headers, cache, config,
666 headerToColumns, columnToHeader, colspanOffset,
667 $table = $( table ),
668 firstTime = true;
669
670 // Quit if no tbody
671 if ( !table.tBodies ) {
672 return;
673 }
674 if ( !table.tHead ) {
675 // No thead found. Look for rows with <th>s and
676 // move them into a <thead> tag or a <tfoot> tag
677 emulateTHeadAndFoot( $table );
678
679 // Still no thead? Then quit
680 if ( !table.tHead ) {
681 return;
682 }
683 }
684 $table.addClass( 'jquery-tablesorter' );
685
686 // FIXME config should probably not be stored in the plain table node
687 // New config object.
688 table.config = {};
689
690 // Merge and extend.
691 config = $.extend( table.config, $.tablesorter.defaultOptions, settings );
692
693 // Save the settings where they read
694 $.data( table, 'tablesorter', { config: config } );
695
696 // Get the CSS class names, could be done else where.
697 var sortCSS = [ config.cssDesc, config.cssAsc ];
698 var sortMsg = [ mw.msg( 'sort-descending' ), mw.msg( 'sort-ascending' ) ];
699
700 // Build headers
701 $headers = buildHeaders( table, sortMsg );
702
703 // Grab and process locale settings
704 buildTransformTable();
705 buildDateTable();
706 buildCollationTable();
707
708 // Precaching regexps can bring 10 fold
709 // performance improvements in some browsers.
710 cacheRegexs();
711
712 function setupForFirstSort() {
713 firstTime = false;
714
715 // Legacy fix of .sortbottoms
716 // Wrap them inside inside a tfoot (because that's what they actually want to be) &
717 // and put the <tfoot> at the end of the <table>
718 var $sortbottoms = $table.find( '> tbody > tr.sortbottom' );
719 if ( $sortbottoms.length ) {
720 var $tfoot = $table.children( 'tfoot' );
721 if ( $tfoot.length ) {
722 $tfoot.eq(0).prepend( $sortbottoms );
723 } else {
724 $table.append( $( '<tfoot>' ).append( $sortbottoms ) );
725 }
726 }
727
728 explodeRowspans( $table );
729
730 // try to auto detect column type, and store in tables config
731 table.config.parsers = buildParserCache( table, $headers );
732 }
733
734 // as each header can span over multiple columns (using colspan=N),
735 // we have to bidirectionally map headers to their columns and columns to their headers
736 headerToColumns = [];
737 columnToHeader = [];
738 colspanOffset = 0;
739 $headers.each( function ( headerIndex ) {
740 var columns = [];
741 for ( var i = 0; i < this.colSpan; i++ ) {
742 columnToHeader[ colspanOffset + i ] = headerIndex;
743 columns.push( colspanOffset + i );
744 }
745
746 headerToColumns[ headerIndex ] = columns;
747 colspanOffset += this.colSpan;
748 } );
749
750 // Apply event handling to headers
751 // this is too big, perhaps break it out?
752 $headers.filter( ':not(.unsortable)' ).click( function ( e ) {
753 if ( e.target.nodeName.toLowerCase() === 'a' ) {
754 // The user clicked on a link inside a table header
755 // Do nothing and let the default link click action continue
756 return true;
757 }
758
759 if ( firstTime ) {
760 setupForFirstSort();
761 }
762
763 // Build the cache for the tbody cells
764 // to share between calculations for this sort action.
765 // Re-calculated each time a sort action is performed due to possiblity
766 // that sort values change. Shouldn't be too expensive, but if it becomes
767 // too slow an event based system should be implemented somehow where
768 // cells get event .change() and bubbles up to the <table> here
769 cache = buildCache( table );
770
771 var totalRows = ( $table[0].tBodies[0] && $table[0].tBodies[0].rows.length ) || 0;
772 if ( !table.sortDisabled && totalRows > 0 ) {
773 // Get current column sort order
774 this.order = this.count % 2;
775 this.count++;
776
777 var cell = this;
778 // Get current column index
779 var columns = headerToColumns[this.column];
780 var newSortList = $.map( columns, function (c) {
781 // jQuery "helpfully" flattens the arrays...
782 return [[c, cell.order]];
783 });
784 // Index of first column belonging to this header
785 var i = columns[0];
786
787 if ( !e[config.sortMultiSortKey] ) {
788 // User only wants to sort on one column set
789 // Flush the sort list and add new columns
790 config.sortList = newSortList;
791 } else {
792 // Multi column sorting
793 // It is not possible for one column to belong to multiple headers,
794 // so this is okay - we don't need to check for every value in the columns array
795 if ( isValueInArray( i, config.sortList ) ) {
796 // The user has clicked on an already sorted column.
797 // Reverse the sorting direction for all tables.
798 for ( var j = 0; j < config.sortList.length; j++ ) {
799 var s = config.sortList[j],
800 o = config.headerList[s[0]];
801 if ( isValueInArray( s[0], newSortList ) ) {
802 o.count = s[1];
803 o.count++;
804 s[1] = o.count % 2;
805 }
806 }
807 } else {
808 // Add columns to sort list array
809 config.sortList = config.sortList.concat( newSortList );
810 }
811 }
812
813 // Reset order/counts of cells not affected by sorting
814 setHeadersOrder( $headers, config.sortList, headerToColumns );
815
816 // Set CSS for headers
817 setHeadersCss( $table[0], $headers, config.sortList, sortCSS, sortMsg, columnToHeader );
818 appendToTable(
819 $table[0], multisort( $table[0], config.sortList, cache )
820 );
821
822 // Stop normal event by returning false
823 return false;
824 }
825
826 // Cancel selection
827 } ).mousedown( function () {
828 if ( config.cancelSelection ) {
829 this.onselectstart = function () {
830 return false;
831 };
832 return false;
833 }
834 } );
835
836 /**
837 * Sorts the table. If no sorting is specified by passing a list of sort
838 * objects, the table is sorted according to the initial sorting order.
839 * Passing an empty array will reset sorting (basically just reset the headers
840 * making the table appear unsorted).
841 *
842 * @param sortList {Array} (optional) List of sort objects.
843 */
844 $table.data( 'tablesorter' ).sort = function( sortList ) {
845
846 if ( firstTime ) {
847 setupForFirstSort();
848 }
849
850 if ( sortList === undefined ) {
851 sortList = config.sortList;
852 } else if ( sortList.length > 0 ) {
853 sortList = convertSortList( sortList );
854 }
855
856 // Set each column's sort count to be able to determine the correct sort
857 // order when clicking on a header cell the next time
858 setHeadersOrder( $headers, sortList, headerToColumns );
859
860 // re-build the cache for the tbody cells
861 cache = buildCache( table );
862
863 // set css for headers
864 setHeadersCss( table, $headers, sortList, sortCSS, sortMsg, columnToHeader );
865
866 // sort the table and append it to the dom
867 appendToTable( table, multisort( table, sortList, cache ) );
868 };
869
870 // sort initially
871 if ( config.sortList.length > 0 ) {
872 setupForFirstSort();
873 config.sortList = convertSortList( config.sortList );
874 $table.data( 'tablesorter' ).sort();
875 }
876
877 } );
878 },
879
880 addParser: function ( parser ) {
881 var l = parsers.length,
882 a = true;
883 for ( var i = 0; i < l; i++ ) {
884 if ( parsers[i].id.toLowerCase() === parser.id.toLowerCase() ) {
885 a = false;
886 }
887 }
888 if ( a ) {
889 parsers.push( parser );
890 }
891 },
892
893 formatDigit: function ( s ) {
894 var out, c, p, i;
895 if ( ts.transformTable !== false ) {
896 out = '';
897 for ( p = 0; p < s.length; p++ ) {
898 c = s.charAt(p);
899 if ( c in ts.transformTable ) {
900 out += ts.transformTable[c];
901 } else {
902 out += c;
903 }
904 }
905 s = out;
906 }
907 i = parseFloat( s.replace( /[, ]/g, '' ).replace( '\u2212', '-' ) );
908 return isNaN( i ) ? 0 : i;
909 },
910
911 formatFloat: function ( s ) {
912 var i = parseFloat(s);
913 return isNaN( i ) ? 0 : i;
914 },
915
916 formatInt: function ( s ) {
917 var i = parseInt( s, 10 );
918 return isNaN( i ) ? 0 : i;
919 },
920
921 clearTableBody: function ( table ) {
922 $( table.tBodies[0] ).empty();
923 }
924 };
925
926 // Shortcut
927 ts = $.tablesorter;
928
929 // Register as jQuery prototype method
930 $.fn.tablesorter = function ( settings ) {
931 return ts.construct( this, settings );
932 };
933
934 // Add default parsers
935 ts.addParser( {
936 id: 'text',
937 is: function () {
938 return true;
939 },
940 format: function ( s ) {
941 s = $.trim( s.toLowerCase() );
942 if ( ts.collationRegex ) {
943 var tsc = ts.collationTable;
944 s = s.replace( ts.collationRegex, function ( match ) {
945 var r = tsc[match] ? tsc[match] : tsc[match.toUpperCase()];
946 return r.toLowerCase();
947 } );
948 }
949 return s;
950 },
951 type: 'text'
952 } );
953
954 ts.addParser( {
955 id: 'IPAddress',
956 is: function ( s ) {
957 return ts.rgx.IPAddress[0].test(s);
958 },
959 format: function ( s ) {
960 var a = s.split( '.' ),
961 r = '',
962 l = a.length;
963 for ( var i = 0; i < l; i++ ) {
964 var item = a[i];
965 if ( item.length === 1 ) {
966 r += '00' + item;
967 } else if ( item.length === 2 ) {
968 r += '0' + item;
969 } else {
970 r += item;
971 }
972 }
973 return $.tablesorter.formatFloat(r);
974 },
975 type: 'numeric'
976 } );
977
978 ts.addParser( {
979 id: 'currency',
980 is: function ( s ) {
981 return ts.rgx.currency[0].test(s);
982 },
983 format: function ( s ) {
984 return $.tablesorter.formatDigit( s.replace( ts.rgx.currency[1], '' ) );
985 },
986 type: 'numeric'
987 } );
988
989 ts.addParser( {
990 id: 'url',
991 is: function ( s ) {
992 return ts.rgx.url[0].test(s);
993 },
994 format: function ( s ) {
995 return $.trim( s.replace( ts.rgx.url[1], '' ) );
996 },
997 type: 'text'
998 } );
999
1000 ts.addParser( {
1001 id: 'isoDate',
1002 is: function ( s ) {
1003 return ts.rgx.isoDate[0].test(s);
1004 },
1005 format: function ( s ) {
1006 return $.tablesorter.formatFloat((s !== '') ? new Date(s.replace(
1007 new RegExp( /-/g), '/')).getTime() : '0' );
1008 },
1009 type: 'numeric'
1010 } );
1011
1012 ts.addParser( {
1013 id: 'usLongDate',
1014 is: function ( s ) {
1015 return ts.rgx.usLongDate[0].test(s);
1016 },
1017 format: function ( s ) {
1018 return $.tablesorter.formatFloat( new Date(s).getTime() );
1019 },
1020 type: 'numeric'
1021 } );
1022
1023 ts.addParser( {
1024 id: 'date',
1025 is: function ( s ) {
1026 return ( ts.dateRegex[0].test(s) || ts.dateRegex[1].test(s) || ts.dateRegex[2].test(s ));
1027 },
1028 format: function ( s ) {
1029 var match;
1030 s = $.trim( s.toLowerCase() );
1031
1032 if ( ( match = s.match( ts.dateRegex[0] ) ) !== null ) {
1033 if ( mw.config.get( 'wgDefaultDateFormat' ) === 'mdy' || mw.config.get( 'wgContentLanguage' ) === 'en' ) {
1034 s = [ match[3], match[1], match[2] ];
1035 } else if ( mw.config.get( 'wgDefaultDateFormat' ) === 'dmy' ) {
1036 s = [ match[3], match[2], match[1] ];
1037 } else {
1038 // If we get here, we don't know which order the dd-dd-dddd
1039 // date is in. So return something not entirely invalid.
1040 return '99999999';
1041 }
1042 } else if ( ( match = s.match( ts.dateRegex[1] ) ) !== null ) {
1043 s = [ match[3], '' + ts.monthNames[match[2]], match[1] ];
1044 } else if ( ( match = s.match( ts.dateRegex[2] ) ) !== null ) {
1045 s = [ match[3], '' + ts.monthNames[match[1]], match[2] ];
1046 } else {
1047 // Should never get here
1048 return '99999999';
1049 }
1050
1051 // Pad Month and Day
1052 if ( s[1].length === 1 ) {
1053 s[1] = '0' + s[1];
1054 }
1055 if ( s[2].length === 1 ) {
1056 s[2] = '0' + s[2];
1057 }
1058
1059 var y;
1060 if ( ( y = parseInt( s[0], 10) ) < 100 ) {
1061 // Guestimate years without centuries
1062 if ( y < 30 ) {
1063 s[0] = 2000 + y;
1064 } else {
1065 s[0] = 1900 + y;
1066 }
1067 }
1068 while ( s[0].length < 4 ) {
1069 s[0] = '0' + s[0];
1070 }
1071 return parseInt( s.join( '' ), 10 );
1072 },
1073 type: 'numeric'
1074 } );
1075
1076 ts.addParser( {
1077 id: 'time',
1078 is: function ( s ) {
1079 return ts.rgx.time[0].test(s);
1080 },
1081 format: function ( s ) {
1082 return $.tablesorter.formatFloat( new Date( '2000/01/01 ' + s ).getTime() );
1083 },
1084 type: 'numeric'
1085 } );
1086
1087 ts.addParser( {
1088 id: 'number',
1089 is: function ( s ) {
1090 return $.tablesorter.numberRegex.test( $.trim( s ));
1091 },
1092 format: function ( s ) {
1093 return $.tablesorter.formatDigit(s);
1094 },
1095 type: 'numeric'
1096 } );
1097
1098 }( jQuery, mediaWiki ) );
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