Mark McDowall
11 years ago
parent
9af5dbdc05
commit
f662b5de8a
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/*!
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* tablesorter pager plugin
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* updated 2/20/2013
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*/
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/*jshint browser:true, jquery:true, unused:false */
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;(function($) {
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"use strict";
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/*jshint supernew:true */
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$.extend({ tablesorterPager: new function() {
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this.defaults = {
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// target the pager markup
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container: null,
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// use this format: "http://mydatabase.com?page={page}&size={size}&{sortList:col}&{filterList:fcol}"
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// where {page} is replaced by the page number, {size} is replaced by the number of records to show,
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// {sortList:col} adds the sortList to the url into a "col" array, and {filterList:fcol} adds
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// the filterList to the url into an "fcol" array.
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// So a sortList = [[2,0],[3,0]] becomes "&col[2]=0&col[3]=0" in the url
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// and a filterList = [[2,Blue],[3,13]] becomes "&fcol[2]=Blue&fcol[3]=13" in the url
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ajaxUrl: null,
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// process ajax so that the following information is returned:
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// [ total_rows (number), rows (array of arrays), headers (array; optional) ]
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// example:
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// [
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// 100, // total rows
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// [
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// [ "row1cell1", "row1cell2", ... "row1cellN" ],
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// [ "row2cell1", "row2cell2", ... "row2cellN" ],
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// ...
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// [ "rowNcell1", "rowNcell2", ... "rowNcellN" ]
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// ],
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// [ "header1", "header2", ... "headerN" ] // optional
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// ]
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ajaxProcessing: function(ajax){ return [ 0, [], null ]; },
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// output default: '{page}/{totalPages}'
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// possible variables: {page}, {totalPages}, {filteredPages}, {startRow}, {endRow}, {filteredRows} and {totalRows}
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output: '{startRow} to {endRow} of {totalRows} rows', // '{page}/{totalPages}'
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// apply disabled classname to the pager arrows when the rows at either extreme is visible
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updateArrows: true,
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// starting page of the pager (zero based index)
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page: 0,
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// Number of visible rows
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size: 10,
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// if true, the table will remain the same height no matter how many records are displayed. The space is made up by an empty
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// table row set to a height to compensate; default is false
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fixedHeight: false,
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// remove rows from the table to speed up the sort of large tables.
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// setting this to false, only hides the non-visible rows; needed if you plan to add/remove rows with the pager enabled.
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removeRows: false, // removing rows in larger tables speeds up the sort
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// css class names of pager arrows
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cssFirst: '.first', // go to first page arrow
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cssPrev: '.prev', // previous page arrow
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cssNext: '.next', // next page arrow
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cssLast: '.last', // go to last page arrow
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cssGoto: '.gotoPage', // go to page selector - select dropdown that sets the current page
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cssPageDisplay: '.pagedisplay', // location of where the "output" is displayed
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cssPageSize: '.pagesize', // page size selector - select dropdown that sets the "size" option
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cssErrorRow: 'tablesorter-errorRow', // error information row
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// class added to arrows when at the extremes (i.e. prev/first arrows are "disabled" when on the first page)
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cssDisabled: 'disabled', // Note there is no period "." in front of this class name
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// stuff not set by the user
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totalRows: 0,
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totalPages: 0,
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filteredRows: 0,
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filteredPages: 0
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};
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var $this = this,
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// hide arrows at extremes
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pagerArrows = function(c, disable) {
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var a = 'addClass',
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r = 'removeClass',
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d = c.cssDisabled,
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dis = !!disable,
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tp = Math.min( c.totalPages, c.filteredPages );
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if ( c.updateArrows ) {
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$(c.cssFirst + ',' + c.cssPrev, c.container)[ ( dis || c.page === 0 ) ? a : r ](d);
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$(c.cssNext + ',' + c.cssLast, c.container)[ ( dis || c.page === tp - 1 ) ? a : r ](d);
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}
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},
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updatePageDisplay = function(table, c) {
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var i, p, s, t, out, f = $(table).hasClass('hasFilters') && !c.ajaxUrl;
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c.filteredRows = (f) ? table.config.$tbodies.children('tr:not(.filtered,.remove-me)').length : c.totalRows;
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c.filteredPages = (f) ? Math.ceil( c.filteredRows / c.size ) : c.totalPages;
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if ( Math.min( c.totalPages, c.filteredPages ) > 0 ) {
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t = (c.size * c.page > c.filteredRows);
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c.startRow = (t) ? 1 : ( c.size * c.page ) + 1;
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c.page = (t) ? 0 : c.page;
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c.endRow = Math.min( c.filteredRows, c.totalRows, c.size * ( c.page + 1 ) );
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out = $(c.cssPageDisplay, c.container);
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// form the output string
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s = c.output.replace(/\{(page|filteredRows|filteredPages|totalPages|startRow|endRow|totalRows)\}/gi, function(m){
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return {
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'{page}' : c.page + 1,
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'{filteredRows}' : c.filteredRows,
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'{filteredPages}' : c.filteredPages,
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'{totalPages}' : c.totalPages,
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'{startRow}' : c.startRow,
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'{endRow}' : c.endRow,
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'{totalRows}' : c.totalRows
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}[m];
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});
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if (out[0]) {
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out[ (out[0].tagName === 'INPUT') ? 'val' : 'html' ](s);
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if ( $(c.cssGoto, c.container).length ) {
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t = '';
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p = Math.min( c.totalPages, c.filteredPages );
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for ( i = 1; i <= p; i++ ) {
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t += '<option>' + i + '</option>';
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}
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$(c.cssGoto, c.container).html(t).val(c.page + 1);
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}
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}
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}
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pagerArrows(c);
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if (c.initialized) { $(table).trigger('pagerComplete', c); }
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},
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fixHeight = function(table, c) {
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var d, h, $b = $(table.tBodies[0]);
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if (c.fixedHeight) {
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$b.find('tr.pagerSavedHeightSpacer').remove();
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h = $.data(table, 'pagerSavedHeight');
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if (h) {
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d = h - $b.height();
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if ( d > 5 && $.data(table, 'pagerLastSize') === c.size && $b.children('tr:visible').length < c.size ) {
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$b.append('<tr class="pagerSavedHeightSpacer ' + table.config.selectorRemove.replace(/(tr)?\./g,'') + '" style="height:' + d + 'px;"></tr>');
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}
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}
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}
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},
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changeHeight = function(table, c) {
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var $b = $(table.tBodies[0]);
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$b.find('tr.pagerSavedHeightSpacer').remove();
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$.data(table, 'pagerSavedHeight', $b.height());
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fixHeight(table, c);
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$.data(table, 'pagerLastSize', c.size);
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},
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hideRows = function(table, c){
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if (!c.ajaxUrl) {
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var i,
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rows = $(table.tBodies).children('tr:not(.' + table.config.cssChildRow + ')'),
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l = rows.length,
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s = ( c.page * c.size ),
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e = s + c.size,
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j = 0; // size counter
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for ( i = 0; i < l; i++ ){
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if (!/filtered/.test(rows[i].className)) {
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rows[i].style.display = ( j >= s && j < e ) ? '' : 'none';
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j++;
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}
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}
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}
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},
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hideRowsSetup = function(table, c){
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c.size = parseInt( $(c.cssPageSize, c.container).find('option[selected]').val(), 10 ) || c.size;
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$.data(table, 'pagerLastSize', c.size);
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pagerArrows(c);
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if ( !c.removeRows ) {
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hideRows(table, c);
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$(table).bind('sortEnd.pager filterEnd.pager', function(){
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hideRows(table, c);
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});
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}
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},
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renderAjax = function(data, table, c, exception){
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// process data
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if ( typeof(c.ajaxProcessing) === "function" ) {
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// ajaxProcessing result: [ total, rows, headers ]
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var i, j, hsh, $f, $sh,
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$t = $(table),
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tc = table.config,
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hl = $t.find('thead th').length, tds = '',
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err = '<tr class="' + c.cssErrorRow + ' ' + tc.selectorRemove.replace(/(tr)?\./g,'') + '"><td style="text-align: center;" colspan="' + hl + '">' +
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(exception ? exception.message + ' (' + exception.name + ')' : 'No rows found') + '</td></tr>',
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result = c.ajaxProcessing(data) || [ 0, [] ],
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d = result[1] || [],
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l = d.length,
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th = result[2];
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if ( l > 0 ) {
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for ( i = 0; i < l; i++ ) {
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tds += '<tr>';
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for ( j = 0; j < d[i].length; j++ ) {
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// build tbody cells
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tds += '<td>' + d[i][j] + '</td>';
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}
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tds += '</tr>';
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}
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}
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// only add new header text if the length matches
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if ( th && th.length === hl ) {
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hsh = $t.hasClass('hasStickyHeaders');
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$sh = $t.find('.' + ((tc.widgetOptions && tc.widgetOptions.stickyHeaders) || 'tablesorter-stickyheader'));
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$f = $t.find('tfoot tr:first').children();
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$t.find('th.' + tc.cssHeader).each(function(j){
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var $t = $(this), icn;
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// add new test within the first span it finds, or just in the header
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if ( $t.find('.' + tc.cssIcon).length ) {
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icn = $t.find('.' + tc.cssIcon).clone(true);
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$t.find('.tablesorter-header-inner').html( th[j] ).append(icn);
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if ( hsh && $sh.length ) {
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icn = $sh.find('th').eq(j).find('.' + tc.cssIcon).clone(true);
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$sh.find('th').eq(j).find('.tablesorter-header-inner').html( th[j] ).append(icn);
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}
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} else {
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$t.find('.tablesorter-header-inner').html( th[j] );
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$sh.find('th').eq(j).find('.tablesorter-header-inner').html( th[j] );
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}
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$f.eq(j).html( th[j] );
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});
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}
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$t.find('thead tr.' + c.cssErrorRow).remove(); // Clean up any previous error.
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if ( exception ) {
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// add error row to thead instead of tbody, or clicking on the header will result in a parser error
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$t.find('thead').append(err);
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} else {
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$(table.tBodies[0]).html( tds ); // add rows to first tbody
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}
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if (tc.showProcessing) {
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$.tablesorter.isProcessing(table); // remove loading icon
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}
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$t.trigger('update');
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c.totalRows = result[0] || 0;
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c.totalPages = Math.ceil( c.totalRows / c.size );
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updatePageDisplay(table, c);
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fixHeight(table, c);
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if (c.initialized) { $t.trigger('pagerChange', c); }
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}
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if (!c.initialized) {
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c.initialized = true;
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$(table).trigger('pagerInitialized', c);
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}
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},
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getAjax = function(table, c){
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var url = getAjaxUrl(table, c),
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tc = table.config;
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if ( url !== '' ) {
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if (tc.showProcessing) {
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$.tablesorter.isProcessing(table, true); // show loading icon
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}
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$(document).bind('ajaxError.pager', function(e, xhr, settings, exception) {
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if (settings.url === url) {
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renderAjax(null, table, c, exception);
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$(document).unbind('ajaxError.pager');
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}
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});
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$.getJSON(url, function(data) {
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renderAjax(data, table, c);
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$(document).unbind('ajaxError.pager');
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});
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}
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},
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getAjaxUrl = function(table, c) {
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var url = (c.ajaxUrl) ? c.ajaxUrl.replace(/\{page\}/g, c.page).replace(/\{size\}/g, c.size) : '',
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sl = table.config.sortList,
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fl = c.currentFilters || [],
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sortCol = url.match(/\{sortList[\s+]?:[\s+]?([^}]*)\}/),
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filterCol = url.match(/\{filterList[\s+]?:[\s+]?([^}]*)\}/),
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arry = [];
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if (sortCol) {
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sortCol = sortCol[1];
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$.each(sl, function(i,v){
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arry.push(sortCol + '[' + v[0] + ']=' + v[1]);
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});
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// if the arry is empty, just add the col parameter... "&{sortList:col}" becomes "&col"
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url = url.replace(/\{sortList[\s+]?:[\s+]?([^\}]*)\}/g, arry.length ? arry.join('&') : sortCol );
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}
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if (filterCol) {
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filterCol = filterCol[1];
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$.each(fl, function(i,v){
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if (v) {
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arry.push(filterCol + '[' + i + ']=' + encodeURIComponent(v));
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}
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});
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// if the arry is empty, just add the fcol parameter... "&{filterList:fcol}" becomes "&fcol"
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url = url.replace(/\{filterList[\s+]?:[\s+]?([^\}]*)\}/g, arry.length ? arry.join('&') : filterCol );
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}
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return url;
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},
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renderTable = function(table, rows, c) {
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c.isDisabled = false; // needed because sorting will change the page and re-enable the pager
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var i, j, o,
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f = document.createDocumentFragment(),
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l = rows.length,
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s = ( c.page * c.size ),
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e = ( s + c.size );
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if ( l < 1 ) { return; } // empty table, abort!
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if (c.initialized) { $(table).trigger('pagerChange', c); }
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if ( !c.removeRows ) {
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hideRows(table, c);
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} else {
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if ( e > rows.length ) {
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e = rows.length;
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}
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$(table.tBodies[0]).addClass('tablesorter-hidden');
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$.tablesorter.clearTableBody(table);
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for ( i = s; i < e; i++ ) {
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o = rows[i];
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l = o.length;
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for ( j = 0; j < l; j++ ) {
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f.appendChild(o[j]);
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}
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}
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table.tBodies[0].appendChild(f);
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$(table.tBodies[0]).removeClass('tablesorter-hidden');
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}
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if ( c.page >= c.totalPages ) {
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moveToLastPage(table, c);
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}
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updatePageDisplay(table, c);
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if ( !c.isDisabled ) { fixHeight(table, c); }
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$(table).trigger('applyWidgets');
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},
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showAllRows = function(table, c){
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if ( c.ajax ) {
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pagerArrows(c, true);
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} else {
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c.isDisabled = true;
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$.data(table, 'pagerLastPage', c.page);
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$.data(table, 'pagerLastSize', c.size);
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c.page = 0;
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c.size = c.totalRows;
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c.totalPages = 1;
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$('tr.pagerSavedHeightSpacer', table.tBodies[0]).remove();
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renderTable(table, table.config.rowsCopy, c);
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}
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// disable size selector
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$(c.container).find(c.cssPageSize + ',' + c.cssGoto).each(function(){
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$(this).addClass(c.cssDisabled)[0].disabled = true;
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});
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},
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moveToPage = function(table, c) {
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if ( c.isDisabled ) { return; }
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var p = Math.min( c.totalPages, c.filteredPages );
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if ( c.page < 0 ) { c.page = 0; }
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if ( c.page > ( p - 1 ) && p !== 0 ) { c.page = p - 1; }
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if (c.ajax) {
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getAjax(table, c);
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} else if (!c.ajax) {
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renderTable(table, table.config.rowsCopy, c);
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}
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$.data(table, 'pagerLastPage', c.page);
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$.data(table, 'pagerUpdateTriggered', true);
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if (c.initialized) { $(table).trigger('pageMoved', c); }
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},
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setPageSize = function(table, size, c) {
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c.size = size;
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$.data(table, 'pagerLastPage', c.page);
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$.data(table, 'pagerLastSize', c.size);
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c.totalPages = Math.ceil( c.totalRows / c.size );
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moveToPage(table, c);
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},
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moveToFirstPage = function(table, c) {
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c.page = 0;
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moveToPage(table, c);
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},
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moveToLastPage = function(table, c) {
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c.page = ( Math.min( c.totalPages, c.filteredPages ) - 1 );
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moveToPage(table, c);
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},
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moveToNextPage = function(table, c) {
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c.page++;
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if ( c.page >= ( Math.min( c.totalPages, c.filteredPages ) - 1 ) ) {
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c.page = ( Math.min( c.totalPages, c.filteredPages ) - 1 );
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}
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moveToPage(table, c);
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},
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moveToPrevPage = function(table, c) {
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c.page--;
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if ( c.page <= 0 ) {
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c.page = 0;
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}
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moveToPage(table, c);
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},
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destroyPager = function(table, c){
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showAllRows(table, c);
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$(c.container).hide(); // hide pager
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table.config.appender = null; // remove pager appender function
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$(table).unbind('destroy.pager sortEnd.pager filterEnd.pager enable.pager disable.pager');
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},
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enablePager = function(table, c, triggered){
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var p = $(c.cssPageSize, c.container).removeClass(c.cssDisabled).removeAttr('disabled');
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$(c.container).find(c.cssGoto).removeClass(c.cssDisabled).removeAttr('disabled');
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c.isDisabled = false;
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c.page = $.data(table, 'pagerLastPage') || c.page || 0;
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c.size = $.data(table, 'pagerLastSize') || parseInt(p.find('option[selected]').val(), 10) || c.size;
|
||||
p.val(c.size); // set page size
|
||||
c.totalPages = Math.ceil( Math.min( c.totalPages, c.filteredPages ) / c.size);
|
||||
if ( triggered ) {
|
||||
$(table).trigger('update');
|
||||
setPageSize(table, c.size, c);
|
||||
hideRowsSetup(table, c);
|
||||
fixHeight(table, c);
|
||||
}
|
||||
};
|
||||
|
||||
$this.appender = function(table, rows) {
|
||||
var c = table.config.pager;
|
||||
if ( !c.ajax ) {
|
||||
table.config.rowsCopy = rows;
|
||||
c.totalRows = rows.length;
|
||||
c.size = $.data(table, 'pagerLastSize') || c.size;
|
||||
c.totalPages = Math.ceil(c.totalRows / c.size);
|
||||
renderTable(table, rows, c);
|
||||
}
|
||||
};
|
||||
|
||||
$this.construct = function(settings) {
|
||||
return this.each(function() {
|
||||
// check if tablesorter has initialized
|
||||
if (!(this.config && this.hasInitialized)) { return; }
|
||||
var t, ctrls, fxn,
|
||||
config = this.config,
|
||||
c = config.pager = $.extend( {}, $.tablesorterPager.defaults, settings ),
|
||||
table = this,
|
||||
tc = table.config,
|
||||
$t = $(table),
|
||||
pager = $(c.container).addClass('tablesorter-pager').show(); // added in case the pager is reinitialized after being destroyed.
|
||||
config.appender = $this.appender;
|
||||
|
||||
$t
|
||||
.unbind('filterStart.pager filterEnd.pager sortEnd.pager disable.pager enable.pager destroy.pager update.pager pageSize.pager')
|
||||
.bind('filterStart.pager', function(e, filters) {
|
||||
$.data(table, 'pagerUpdateTriggered', false);
|
||||
c.currentFilters = filters;
|
||||
})
|
||||
// update pager after filter widget completes
|
||||
.bind('filterEnd.pager sortEnd.pager', function(e) {
|
||||
//Prevent infinite event loops from occuring by setting this in all moveToPage calls and catching it here.
|
||||
if ($.data(table, 'pagerUpdateTriggered')) {
|
||||
$.data(table, 'pagerUpdateTriggered', false);
|
||||
return;
|
||||
}
|
||||
if (e.type === 'filterEnd') { c.page = 0; }
|
||||
moveToPage(table, c);
|
||||
updatePageDisplay(table, c);
|
||||
fixHeight(table, c);
|
||||
})
|
||||
.bind('disable.pager', function(){
|
||||
showAllRows(table, c);
|
||||
})
|
||||
.bind('enable.pager', function(){
|
||||
enablePager(table, c, true);
|
||||
})
|
||||
.bind('destroy.pager', function(){
|
||||
destroyPager(table, c);
|
||||
})
|
||||
.bind('update.pager', function(){
|
||||
hideRows(table, c);
|
||||
})
|
||||
.bind('pageSize.pager', function(e,v){
|
||||
c.size = parseInt(v, 10) || 10;
|
||||
hideRows(table, c);
|
||||
updatePageDisplay(table, c);
|
||||
})
|
||||
.bind('pageSet.pager', function(e,v){
|
||||
c.page = (parseInt(v, 10) || 1) - 1;
|
||||
moveToPage(table, c);
|
||||
updatePageDisplay(table, c);
|
||||
});
|
||||
|
||||
// clicked controls
|
||||
ctrls = [c.cssFirst, c.cssPrev, c.cssNext, c.cssLast];
|
||||
fxn = [ moveToFirstPage, moveToPrevPage, moveToNextPage, moveToLastPage ];
|
||||
|
||||
pager.find(ctrls.join(','))
|
||||
.unbind('click.pager')
|
||||
.bind('click.pager', function(e){
|
||||
var i, $this = $(this), l = ctrls.length;
|
||||
if ( !$this.hasClass(c.cssDisabled) ) {
|
||||
for (i = 0; i < l; i++) {
|
||||
if ($this.is(ctrls[i])) {
|
||||
fxn[i](table, c);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return false;
|
||||
});
|
||||
|
||||
// goto selector
|
||||
if ( pager.find(c.cssGoto).length ) {
|
||||
pager.find(c.cssGoto)
|
||||
.unbind('change')
|
||||
.bind('change', function(){
|
||||
c.page = $(this).val() - 1;
|
||||
moveToPage(table, c);
|
||||
});
|
||||
updatePageDisplay(table, c);
|
||||
}
|
||||
|
||||
// page size selector
|
||||
t = pager.find(c.cssPageSize);
|
||||
if ( t.length ) {
|
||||
t.unbind('change.pager').bind('change.pager', function() {
|
||||
t.val( $(this).val() ); // in case there are more than one pagers
|
||||
if ( !$(this).hasClass(c.cssDisabled) ) {
|
||||
setPageSize(table, parseInt( $(this).val(), 10 ), c);
|
||||
changeHeight(table, c);
|
||||
}
|
||||
return false;
|
||||
});
|
||||
}
|
||||
|
||||
// clear initialized flag
|
||||
c.initialized = false;
|
||||
// before initialization event
|
||||
$t.trigger('pagerBeforeInitialized', c);
|
||||
|
||||
enablePager(table, c, false);
|
||||
|
||||
if ( typeof(c.ajaxUrl) === 'string' ) {
|
||||
// ajax pager; interact with database
|
||||
c.ajax = true;
|
||||
//When filtering with ajax, allow only custom filtering function, disable default filtering since it will be done server side.
|
||||
tc.widgetOptions.filter_serversideFiltering = true;
|
||||
tc.serverSideSorting = true;
|
||||
moveToPage(table, c);
|
||||
} else {
|
||||
c.ajax = false;
|
||||
// Regular pager; all rows stored in memory
|
||||
$(this).trigger("appendCache", true);
|
||||
hideRowsSetup(table, c);
|
||||
}
|
||||
|
||||
changeHeight(table, c);
|
||||
|
||||
// pager initialized
|
||||
if (!c.ajax) {
|
||||
c.initialized = true;
|
||||
$(table).trigger('pagerInitialized', c);
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
}()
|
||||
});
|
||||
// extend plugin scope
|
||||
$.fn.extend({
|
||||
tablesorterPager: $.tablesorterPager.construct
|
||||
});
|
||||
|
||||
})(jQuery);
|
||||
Loading…
Reference in new issue