mirror of
https://github.com/Mottie/tablesorter.git
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241 lines
8.3 KiB
JavaScript
241 lines
8.3 KiB
JavaScript
/*! tablesorter tbody sorting widget (BETA) - 11/07/2016 (v2.24.7)
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* Requires tablesorter v2.22.2+ and jQuery 1.4+
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* by Rob Garrison
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* Contributors: Chris Rogers
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*/
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/*jshint browser:true, jquery:true, unused:false */
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/*global jQuery: false */
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;( function( $ ) {
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'use strict';
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var ts = $.tablesorter;
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ts.sortTbodies = {
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init: function( c, wo ) {
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var index, rows, txt, max, $rows,
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namespace = c.namespace + 'sortTbody',
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$tbodies = c.$table.children( 'tbody' ),
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len = $tbodies.length;
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// save serverSideSorting value; use to toggle internal row sorting
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wo.sortTbody_original_serverSideSorting = c.serverSideSorting;
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// include info-only tbodies - we need parsed data from *all* tbodies
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wo.sortTbody_original_cssInfoBlock = c.cssInfoBlock;
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c.cssInfoBlock = wo.sortTbody_noSort;
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ts.sortTbodies.setTbodies( c, wo );
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// add original order index for stable sort
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for ( index = 0; index < len; index++ ) {
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$tbodies.eq( index ).attr( 'data-ts-original-order', index );
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}
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c.$table
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.unbind( 'sortBegin updateComplete '.split( ' ' ).join( namespace + ' ' ) )
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.bind( 'sortBegin' + namespace, function() {
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ts.sortTbodies.sorter( c );
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})
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.bind( 'updateComplete' + namespace, function() {
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// find parsers for each column
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ts.sortTbodies.setTbodies( c, wo );
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ts.updateCache( c, null, c.$tbodies );
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})
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.bind('sortEnd', function() {
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// Moves the head row back to the top of the tbody
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var primaryRow = wo.sortTbody_primaryRow;
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if ( wo.sortTbody_lockHead && primaryRow ) {
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c.$table.find( primaryRow ).each( function() {
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$( this ).parents( 'tbody' ).prepend( this );
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});
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}
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});
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// detect parsers - in case the table contains only info-only tbodies
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if ( $.isEmptyObject( c.parsers ) || c.$tbodies.length !== $tbodies.length ) {
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ts.sortTbodies.setTbodies( c, wo );
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ts.updateCache( c, null, c.$tbodies );
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}
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// find colMax; this only matter for numeric columns
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$rows = $tbodies.children( 'tr' );
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len = $rows.length;
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for ( index = 0; index < c.columns; index++ ) {
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max = 0;
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if ( c.parsers[ index ].type === 'numeric' ) {
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for ( rows = 0; rows < len; rows++ ) {
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// update column max value (ignore sign)
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txt = ts.getParsedText( c, $rows.eq( rows ).children()[ index ], index );
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max = Math.max( Math.abs( txt ) || 0, max );
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}
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}
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c.$headerIndexed[ index ].attr( 'data-ts-col-max-value', max );
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}
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},
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// make sure c.$tbodies is up-to-date (init & after updates)
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setTbodies: function( c, wo ) {
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c.$tbodies = c.$table.children( 'tbody' ).not( '.' + wo.sortTbody_noSort );
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},
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sorter: function( c ) {
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var $table = c.$table,
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wo = c.widgetOptions;
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// prevent multiple calls while processing
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if ( wo.sortTbody_busy !== true ) {
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wo.sortTbody_busy = true;
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var $tbodies = $table.children( 'tbody' ).not( '.' + wo.sortTbody_noSort ),
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primary = wo.sortTbody_primaryRow || 'tr:eq(0)',
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sortList = c.sortList || [],
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len = sortList.length;
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if ( len ) {
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// toggle internal row sorting
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c.serverSideSorting = !wo.sortTbody_sortRows;
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$tbodies.sort( function( a, b ) {
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var sortListIndex, txt, dir, num, colMax, sort, col, order, colA, colB, x, y,
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table = c.table,
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parsers = c.parsers,
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cts = c.textSorter || '',
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$tbodyA = $( a ),
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$tbodyB = $( b ),
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$a = $tbodyA.find( primary ).children( 'td, th' ),
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$b = $tbodyB.find( primary ).children( 'td, th' );
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for ( sortListIndex = 0; sortListIndex < len; sortListIndex++ ) {
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col = sortList[ sortListIndex ][0];
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order = sortList[ sortListIndex ][1];
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// sort direction, true = asc, false = desc
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dir = order === 0;
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// column txt - tbody A
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txt = ts.getElementText( c, $a.eq( col ), col );
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colA = parsers[ col ].format( txt, table, $a[ col ], col );
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// column txt - tbody B
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txt = ts.getElementText( c, $b.eq( col ), col );
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colB = parsers[ col ].format( txt, table, $b[ col ], col );
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if (c.sortStable && colA === colB && len === 1) {
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return $tbodyA.attr( 'data-ts-original-order' ) - $tbodyB.attr( 'data-ts-original-order' );
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}
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// fallback to natural sort since it is more robust
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num = /n/i.test( parsers && parsers[ col ] ? parsers[ col ].type || '' : '' );
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if ( num && c.strings[ col ] ) {
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colMax = c.$headerIndexed[ col ].attr( 'data-ts-col-max-value' ) ||
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1.79E+308; // close to Number.MAX_VALUE
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// sort strings in numerical columns
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if ( typeof ( ts.string[ c.strings[ col ] ] ) === 'boolean' ) {
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num = ( dir ? 1 : -1 ) * ( ts.string[ c.strings[ col ] ] ? -1 : 1 );
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} else {
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num = ( c.strings[ col ] ) ? ts.string[ c.strings[ col ] ] || 0 : 0;
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}
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// fall back to built-in numeric sort
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// var sort = $.tablesorter['sort' + s](a, b, dir, colMax, table);
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sort = c.numberSorter ? c.numberSorter( colA, colB, dir, colMax, table ) :
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ts[ 'sortNumeric' + ( dir ? 'Asc' : 'Desc' ) ]( colA, colB, num, colMax, col, c );
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} else {
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// set a & b depending on sort direction
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x = dir ? colA : colB;
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y = dir ? colB : colA;
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// text sort function
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if ( typeof ( cts ) === 'function' ) {
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// custom OVERALL text sorter
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sort = cts( x, y, dir, col, table );
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} else if ( typeof ( cts ) === 'object' && cts.hasOwnProperty( col ) ) {
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// custom text sorter for a SPECIFIC COLUMN
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sort = cts[ col ]( x, y, dir, col, table );
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} else {
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// fall back to natural sort
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sort = ts[ 'sortNatural' + ( dir ? 'Asc' : 'Desc' ) ]( colA, colB, col, c );
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}
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}
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if ( sort ) { return sort; }
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}
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return $tbodyA.attr( 'data-ts-original-order' ) - $tbodyB.attr( 'data-ts-original-order' );
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});
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ts.sortTbodies.restoreTbodies( c, wo, $tbodies );
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wo.sortTbody_busy = false;
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}
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}
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},
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restoreTbodies : function ( c, wo, $sortedTbodies ) {
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var $nosort, $tbodies, $thisTbody, tbLen, nsLen, index, targetIndex,
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$table = c.$table,
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hasShuffled = true,
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indx = 0;
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// hide entire table to improve sort performance
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$table.hide();
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$sortedTbodies.appendTo( $table );
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// reposition no-sort tbodies
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$tbodies = $table.children( 'tbody' );
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tbLen = $tbodies.length;
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$nosort = $tbodies.filter( '.' + wo.sortTbody_noSort ).appendTo( $table );
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nsLen = $nosort.length;
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if ( nsLen ) {
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// don't allow the while loop to cycle more times than the set number of no-sort tbodies
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while ( hasShuffled && indx < nsLen ) {
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hasShuffled = false;
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for ( index = 0; index < nsLen; index++ ) {
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targetIndex = parseInt( $nosort.eq( index ).attr( 'data-ts-original-order' ), 10 );
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// if target index > number of tbodies, make it last
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targetIndex = targetIndex >= tbLen ? tbLen : targetIndex < 0 ? 0 : targetIndex;
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if ( targetIndex !== $nosort.eq( index ).index() ) {
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hasShuffled = true;
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$thisTbody = $nosort.eq( index ).detach();
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if ( targetIndex >= tbLen ) {
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// Are we trying to be the last tbody?
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$thisTbody.appendTo( $table );
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} else if ( targetIndex === 0 ) {
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// Are we trying to be the first tbody?
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$thisTbody.prependTo( $table );
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} else {
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// No, we want to be somewhere in the middle!
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$thisTbody.insertBefore( $table.children( 'tbody:eq(' + targetIndex + ')' ) );
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}
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}
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}
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indx++;
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}
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}
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$table.show();
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}
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};
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ts.addWidget({
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id: 'sortTbody',
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// priority < 50 (filter widget), so c.$tbodies has the correct elements
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priority: 40,
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options: {
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// lock primary row as a header when sorting
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sortTbody_lockHead : false,
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// point to a row within the tbody that matches the number of header columns
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sortTbody_primaryRow : null,
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// sort tbody internal rows
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sortTbody_sortRows : false,
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// static tbodies (like static rows)
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sortTbody_noSort : 'tablesorter-no-sort-tbody'
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},
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init : function( table, thisWidget, c, wo ) {
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ts.sortTbodies.init( c, wo );
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},
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remove : function( table, c, wo, refreshing ) {
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c.$table.unbind( 'sortBegin updateComplete '.split( ' ' ).join( c.namespace + 'sortTbody ' ) );
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c.serverSideSorting = wo.sortTbody_original_serverSideSorting;
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c.cssInfoBlock = wo.sortTbody_original_cssInfoBlock;
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}
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});
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})( jQuery );
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