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https://github.com/Mottie/tablesorter.git
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632 lines
21 KiB
JavaScript
632 lines
21 KiB
JavaScript
/*!
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* tablesorter pager plugin
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* updated 5/27/2013
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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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// modify the url after all processing has been applied
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customAjaxUrl: function(table, url) { return url; },
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// modify the $.ajax object to allow complete control over your ajax requests
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ajaxObject: {
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dataType: 'json'
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},
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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 $this = this,
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// hide arrows at extremes
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pagerArrows = function(c, disable) {
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var a = 'addClass',
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r = 'removeClass',
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d = c.cssDisabled,
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dis = !!disable,
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tp = Math.min( c.totalPages, c.filteredPages );
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if ( c.updateArrows ) {
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c.$container.find(c.cssFirst + ',' + c.cssPrev)[ ( dis || c.page === 0 ) ? a : r ](d);
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c.$container.find(c.cssNext + ',' + c.cssLast)[ ( dis || c.page === tp - 1 ) ? a : r ](d);
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}
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},
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updatePageDisplay = function(table, c, flag) {
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var i, p, s, t, out,
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tc = table.config,
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f = $(table).hasClass('hasFilters') && !c.ajaxUrl;
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c.totalPages = Math.ceil( c.totalRows / c.size ); // needed for "pageSize" method
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c.filteredRows = (f) ? tc.$tbodies.eq(0).children('tr:not(.' + (tc.widgetOptions && tc.widgetOptions.filter_filteredRow || 'filtered') + ',' + tc.selectorRemove + ')').length : c.totalRows;
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c.filteredPages = (f) ? Math.ceil( c.filteredRows / c.size ) || 1 : 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.filteredRows === 0 ? 0 : 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.$container.find(c.cssPageDisplay);
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// form the output string
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s = c.output.replace(/\{(page|filteredRows|filteredPages|totalPages|startRow|endRow|totalRows)\}/gi, function(m){
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return {
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'{page}' : c.page + 1,
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'{filteredRows}' : c.filteredRows,
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'{filteredPages}' : c.filteredPages,
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'{totalPages}' : c.totalPages,
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'{startRow}' : c.startRow,
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'{endRow}' : c.endRow,
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'{totalRows}' : c.totalRows
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}[m];
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});
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if (out.length) {
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out[ (out[0].tagName === 'INPUT') ? 'val' : 'html' ](s);
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if ( c.$goto.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.$goto.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 && flag !== false) { $(table).trigger('pagerComplete', c); }
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},
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fixHeight = function(table, c) {
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var d, h, $b = table.config.$tbodies.eq(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 $b = table.config.$tbodies.eq(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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tc = table.config,
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rows = tc.$tbodies.eq(0).children('tr:not(.' + tc.cssChildRow + ')'),
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l = rows.length,
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s = ( c.page * c.size ),
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e = s + c.size,
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f = tc.widgetOptions && tc.widgetOptions.filter_filteredRow || 'filtered',
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j = 0; // size counter
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for ( i = 0; i < l; i++ ){
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if ( !rows[i].className.match(f) ) {
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rows[i].style.display = ( j >= s && j < e ) ? '' : 'none';
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j++;
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}
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}
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}
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},
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hideRowsSetup = function(table, c){
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c.size = parseInt( c.$size.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, xhr, 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, th, d, l, $err,
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$t = $(table),
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tc = table.config,
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hl = $t.find('thead th').length, tds = '',
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result = c.ajaxProcessing(data, table) || [ 0, [] ],
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// allow [ total, rows, headers ] or [ rows, total, headers ]
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t = isNaN(result[0]) && !isNaN(result[1]);
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$t.find('thead tr.' + c.cssErrorRow).remove(); // Clean up any previous error.
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if ( exception ) {
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$err = $('<tr class="' + c.cssErrorRow + '"><td style="text-align:center;" colspan="' + hl + '">' + (
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xhr.status === 0 ? 'Not connected, verify Network' :
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xhr.status === 404 ? 'Requested page not found [404]' :
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xhr.status === 500 ? 'Internal Server Error [500]' :
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exception === 'parsererror' ? 'Requested JSON parse failed' :
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exception === 'timeout' ? 'Time out error' :
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exception === 'abort' ? 'Ajax Request aborted' :
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'Uncaught error: ' + xhr.statusText + ' [' + xhr.status + ']' ) + '</td></tr>')
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.click(function(){
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$(this).remove();
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})
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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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.appendTo( $t.find('thead:first') );
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tc.$tbodies.eq(0).empty();
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} else {
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c.totalRows = result[t ? 1 : 0] || c.totalRows || 0;
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d = result[t ? 0 : 1] || []; // row data
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l = d.length;
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th = result[2]; // headers
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if (d instanceof jQuery) {
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// append jQuery object
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tc.$tbodies.eq(0).empty().append(d);
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} else if (d.length) {
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// build table from array
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if ( l > 0 ) {
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for ( i = 0; i < l; i++ ) {
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tds += '<tr>';
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for ( j = 0; j < d[i].length; j++ ) {
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// build tbody cells
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tds += '<td>' + d[i][j] + '</td>';
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}
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tds += '</tr>';
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}
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}
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// add rows to first tbody
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tc.$tbodies.eq(0).html( tds );
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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 = hsh ? tc.$sticky.children('thead:first').children().children() : '';
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$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 = $sh.eq(j).find('.' + tc.cssIcon).clone(true);
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$sh.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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if (hsh && $sh.length) {
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$sh.eq(j).find('.tablesorter-header-inner').html( th[j] );
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}
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}
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$f.eq(j).html( th[j] );
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});
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}
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}
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if (tc.showProcessing) {
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$.tablesorter.isProcessing(table); // remove loading icon
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}
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$t.trigger('update');
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c.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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$doc = $(document),
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tc = table.config;
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if ( url !== '' ) {
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if (tc.showProcessing) {
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$.tablesorter.isProcessing(table, true); // show loading icon
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}
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$doc.bind('ajaxError.pager', function(e, xhr, settings, exception) {
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if (url.match(settings.url)) {
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renderAjax(null, table, c, xhr, exception);
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$doc.unbind('ajaxError.pager');
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}
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});
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c.ajaxObject.url = url; // from the ajaxUrl option and modified by customAjaxUrl
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c.ajaxObject.success = function(data) {
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renderAjax(data, table, c);
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$doc.unbind('ajaxError.pager');
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if (typeof c.oldAjaxSuccess === 'function') {
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c.oldAjaxSuccess(data);
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}
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};
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$.ajax(c.ajaxObject);
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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
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// allow using "{page+1}" in the url string to switch to a non-zero based index
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.replace(/\{page([\-+]\d+)?\}/, function(s,n){ return c.page + (n ? parseInt(n, 10) : 0); })
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.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(/\{\s*sort(?:List)?\s*:\s*(\w*)\s*\}/),
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filterCol = url.match(/\{\s*filter(?:List)?\s*:\s*(\w*)\s*\}/),
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arry = [];
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if (sortCol) {
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sortCol = sortCol[1];
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$.each(sl, function(i,v){
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arry.push(sortCol + '[' + v[0] + ']=' + v[1]);
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});
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// if the arry is empty, just add the col parameter... "&{sortList:col}" becomes "&col"
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url = url.replace(/\{\s*sort(?:List)?\s*:\s*(\w*)\s*\}/g, arry.length ? arry.join('&') : sortCol );
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arry = [];
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}
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if (filterCol) {
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filterCol = filterCol[1];
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$.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(/\{\s*filter(?:List)?\s*:\s*(\w*)\s*\}/g, arry.length ? arry.join('&') : filterCol );
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}
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if ( typeof(c.customAjaxUrl) === "function" ) {
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url = c.customAjaxUrl(table, url);
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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, $tb,
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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) { $(table).trigger('pagerChange', c); }
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if ( !c.removeRows ) {
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hideRows(table, c);
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} else {
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if ( e > rows.length ) {
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e = rows.length;
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}
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$.tablesorter.clearTableBody(table);
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$tb = $.tablesorter.processTbody(table, table.config.$tbodies.eq(0), true);
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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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$tb.appendChild(o[j]);
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}
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}
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$.tablesorter.processTbody(table, $tb, false);
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}
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if ( c.page >= c.totalPages ) {
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moveToLastPage(table, c);
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}
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updatePageDisplay(table, c);
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if ( !c.isDisabled ) { fixHeight(table, c); }
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$(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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$(table).find('tr.pagerSavedHeightSpacer').remove();
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renderTable(table, table.config.rowsCopy, c);
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}
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// disable size selector
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c.$size.add(c.$goto).each(function(){
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$(this).addClass(c.cssDisabled)[0].disabled = true;
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});
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},
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moveToPage = function(table, c, flag) {
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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 && flag !== false) {
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$(table).trigger('pageMoved', c);
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}
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},
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setPageSize = function(table, size, c) {
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c.size = size;
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c.$size.val(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 );
|
|
}
|
|
moveToPage(table, c);
|
|
},
|
|
|
|
moveToPrevPage = function(table, c) {
|
|
c.page--;
|
|
if ( c.page <= 0 ) {
|
|
c.page = 0;
|
|
}
|
|
moveToPage(table, c);
|
|
},
|
|
|
|
destroyPager = function(table, c){
|
|
showAllRows(table, c);
|
|
c.$container.hide(); // hide pager
|
|
table.config.appender = null; // remove pager appender function
|
|
$(table).unbind('destroy.pager sortEnd.pager filterEnd.pager enable.pager disable.pager');
|
|
},
|
|
|
|
enablePager = function(table, c, triggered){
|
|
var p = c.$size.removeClass(c.cssDisabled).removeAttr('disabled');
|
|
c.$goto.removeClass(c.cssDisabled).removeAttr('disabled');
|
|
c.isDisabled = false;
|
|
c.page = $.data(table, 'pagerLastPage') || c.page || 0;
|
|
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 = $(table),
|
|
// added in case the pager is reinitialized after being destroyed.
|
|
pager = c.$container = $(c.container).addClass('tablesorter-pager').show();
|
|
c.oldAjaxSuccess = c.oldAjaxSuccess || c.ajaxObject.success;
|
|
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')) {
|
|
$.data(table, 'pagerUpdateTriggered', false);
|
|
return;
|
|
}
|
|
moveToPage(table, c, false);
|
|
updatePageDisplay(table, c, false);
|
|
fixHeight(table, c);
|
|
})
|
|
.bind('disable.pager', function(e){
|
|
e.stopPropagation();
|
|
showAllRows(table, c);
|
|
})
|
|
.bind('enable.pager', function(e){
|
|
e.stopPropagation();
|
|
enablePager(table, c, true);
|
|
})
|
|
.bind('destroy.pager', function(e){
|
|
e.stopPropagation();
|
|
destroyPager(table, c);
|
|
})
|
|
.bind('update.pager', function(e){
|
|
e.stopPropagation();
|
|
hideRows(table, c);
|
|
})
|
|
.bind('pageSize.pager', function(e,v){
|
|
e.stopPropagation();
|
|
setPageSize(table, parseInt(v, 10) || 10, c);
|
|
hideRows(table, c);
|
|
updatePageDisplay(table, c, false);
|
|
if (c.$size.length) { c.$size.val(c.size); } // twice?
|
|
})
|
|
.bind('pageSet.pager', function(e,v){
|
|
e.stopPropagation();
|
|
c.page = (parseInt(v, 10) || 1) - 1;
|
|
if (c.$goto.length) { c.$goto.val(c.size); } // twice?
|
|
moveToPage(table, c);
|
|
updatePageDisplay(table, c, false);
|
|
});
|
|
|
|
// 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, $t = $(this), l = ctrls.length;
|
|
if ( !$t.hasClass(c.cssDisabled) ) {
|
|
for (i = 0; i < l; i++) {
|
|
if ($t.is(ctrls[i])) {
|
|
fxn[i](table, c);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
});
|
|
|
|
// goto selector
|
|
c.$goto = pager.find(c.cssGoto);
|
|
if ( c.$goto.length ) {
|
|
c.$goto
|
|
.unbind('change')
|
|
.bind('change', function(){
|
|
c.page = $(this).val() - 1;
|
|
moveToPage(table, c);
|
|
});
|
|
updatePageDisplay(table, c, false);
|
|
}
|
|
|
|
// page size selector
|
|
c.$size = pager.find(c.cssPageSize);
|
|
if ( c.$size.length ) {
|
|
c.$size.unbind('change.pager').bind('change.pager', function() {
|
|
c.$size.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); |