/* Pager widget for TableSorter 8/1/2014 (v2.17.6) */ /*jshint browser:true, jquery:true, unused:false */ ;(function($){ "use strict"; var tsp, ts = $.tablesorter; ts.addWidget({ id: "pager", priority: 55, // load pager after filter widget options : { // output default: '{page}/{totalPages}' // possible variables: {page}, {totalPages}, {filteredPages}, {startRow}, {endRow}, {filteredRows} and {totalRows} pager_output: '{startRow} to {endRow} of {totalRows} rows', // '{page}/{totalPages}' // apply disabled classname to the pager arrows when the rows at either extreme is visible pager_updateArrows: true, // starting page of the pager (zero based index) pager_startPage: 0, // reset pager after filtering; set to desired page # // set to false to not change page at filter start pager_pageReset: 0, // Number of visible rows pager_size: 10, // Save pager page & size if the storage script is loaded (requires $.tablesorter.storage in jquery.tablesorter.widgets.js) pager_savePages: true, //defines custom storage key pager_storageKey: 'tablesorter-pager', // if true, the table will remain the same height no matter how many records are displayed. The space is made up by an empty // table row set to a height to compensate; default is false pager_fixedHeight: false, // count child rows towards the set page size? (set true if it is a visible table row within the pager) // if true, child row(s) may not appear to be attached to its parent row, may be split across pages or // may distort the table if rowspan or cellspans are included. pager_countChildRows: false, // remove rows from the table to speed up the sort of large tables. // setting this to false, only hides the non-visible rows; needed if you plan to add/remove rows with the pager enabled. pager_removeRows: false, // removing rows in larger tables speeds up the sort // use this format: "http://mydatabase.com?page={page}&size={size}&{sortList:col}&{filterList:fcol}" // where {page} is replaced by the page number, {size} is replaced by the number of records to show, // {sortList:col} adds the sortList to the url into a "col" array, and {filterList:fcol} adds // the filterList to the url into an "fcol" array. // So a sortList = [[2,0],[3,0]] becomes "&col[2]=0&col[3]=0" in the url // and a filterList = [[2,Blue],[3,13]] becomes "&fcol[2]=Blue&fcol[3]=13" in the url pager_ajaxUrl: null, // modify the url after all processing has been applied pager_customAjaxUrl: function(table, url) { return url; }, // modify the $.ajax object to allow complete control over your ajax requests pager_ajaxObject: { dataType: 'json' }, // set this to false if you want to block ajax loading on init pager_processAjaxOnInit: true, // process ajax so that the following information is returned: // [ total_rows (number), rows (array of arrays), headers (array; optional) ] // example: // [ // 100, // total rows // [ // [ "row1cell1", "row1cell2", ... "row1cellN" ], // [ "row2cell1", "row2cell2", ... "row2cellN" ], // ... // [ "rowNcell1", "rowNcell2", ... "rowNcellN" ] // ], // [ "header1", "header2", ... "headerN" ] // optional // ] pager_ajaxProcessing: function(ajax){ return [ 0, [], null ]; }, // css class names of pager arrows pager_css: { container : 'tablesorter-pager', errorRow : 'tablesorter-errorRow', // error information row (don't include period at beginning) disabled : 'disabled' // class added to arrows @ extremes (i.e. prev/first arrows "disabled" on first page) }, // jQuery selectors pager_selectors: { container : '.pager', // target the pager markup first : '.first', // go to first page arrow prev : '.prev', // previous page arrow next : '.next', // next page arrow last : '.last', // go to last page arrow gotoPage : '.gotoPage', // go to page selector - select dropdown that sets the current page pageDisplay : '.pagedisplay', // location of where the "output" is displayed pageSize : '.pagesize' // page size selector - select dropdown that sets the "size" option } }, init: function(table){ tsp.init(table); }, // only update to complete sorter initialization format: function(table, c){ if (!(c.pager && c.pager.initialized)){ return tsp.initComplete(table, c); } tsp.moveToPage(table, c.pager, false); }, remove: function(table, c){ tsp.destroyPager(table, c); } }); /* pager widget functions */ tsp = ts.pager = { init: function(table) { // check if tablesorter has initialized if (table.hasInitialized && table.config.pager.initialized) { return; } var t, c = table.config, wo = c.widgetOptions, s = wo.pager_selectors, // save pager variables p = c.pager = $.extend({ totalPages: 0, filteredRows: 0, filteredPages: 0, currentFilters: [], page: wo.pager_startPage, startRow: 0, endRow: 0, ajaxCounter: 0, $size: null, last: {} }, c.pager); // pager initializes multiple times before table has completed initialization if (p.isInitializing) { return; } p.isInitializing = true; if (c.debug) { ts.log('Pager initializing'); } p.size = $.data(table, 'pagerLastSize') || wo.pager_size; // added in case the pager is reinitialized after being destroyed. p.$container = $(s.container).addClass(wo.pager_css.container).show(); // goto selector p.$goto = p.$container.find(s.gotoPage); // goto is a reserved word #657 // page size selector p.$size = p.$container.find(s.pageSize); p.totalRows = c.$tbodies.eq(0).children('tr').not( c.widgetOptions.pager_countChildRows ? '' : '.' + c.cssChildRow ).length; p.oldAjaxSuccess = p.oldAjaxSuccess || wo.pager_ajaxObject.success; c.appender = tsp.appender; if (ts.filter && $.inArray('filter', c.widgets) >= 0) { // get any default filter settings (data-value attribute) fixes #388 p.currentFilters = c.$table.data('lastSearch') || ts.filter.setDefaults(table, c, wo) || []; // set, but don't apply current filters ts.setFilters(table, p.currentFilters, false); } if (wo.pager_savePages && ts.storage) { t = ts.storage(table, wo.pager_storageKey) || {}; // fixes #387 p.page = isNaN(t.page) ? p.page : t.page; p.size = ( isNaN(t.size) ? p.size : t.size ) || 10; $.data(table, 'pagerLastSize', p.size); } // skipped rows p.regexRows = new RegExp('(' + (wo.filter_filteredRow || 'filtered') + '|' + c.selectorRemove.replace(/^(\w+\.)/g,'') + '|' + c.cssChildRow + ')'); // clear initialized flag p.initialized = false; // before initialization event c.$table.trigger('pagerBeforeInitialized', c); tsp.enablePager(table, c, false); if ( typeof(wo.pager_ajaxUrl) === 'string' ) { // ajax pager; interact with database p.ajax = true; // When filtering with ajax, allow only custom filtering function, disable default filtering since it will be done server side. wo.filter_serversideFiltering = true; c.serverSideSorting = true; tsp.moveToPage(table, p); } else { p.ajax = false; // Regular pager; all rows stored in memory c.$table.trigger("appendCache", [{}, true]); tsp.hideRowsSetup(table, c); } }, initComplete: function(table, c){ var p = c.pager; tsp.changeHeight(table, c); tsp.bindEvents(table, c); tsp.setPageSize(table, 0, c); // page size 0 is ignored // pager initialized p.initialized = true; p.isInitializing = false; c.$table.trigger('pagerInitialized', c); tsp.updatePageDisplay(table, c); }, bindEvents: function(table, c){ var ctrls, fxn, p = c.pager, wo = c.widgetOptions, s = wo.pager_selectors; c.$table .unbind('filterStart filterEnd sortEnd disable enable destroy updateComplete pageSize '.split(' ').join('.pager ')) .bind('filterStart.pager', function(e, filters) { p.currentFilters = filters; // don't change page is filters are the same (pager updating, etc) if (wo.pager_pageReset !== false && (c.lastCombinedFilter || '') !== (filters || []).join('')) { p.page = wo.pager_pageReset; // fixes #456 & #565 } }) // update pager after filter widget completes .bind('filterEnd.pager sortEnd.pager', function() { if (p.initialized) { if (c.delayInit && c.rowsCopy && c.rowsCopy.length === 0) { // make sure we have a copy of all table rows once the cache has been built tsp.updateCache(table); } // update page display first, so we update p.filteredPages tsp.updatePageDisplay(table, c, false); // tsp.moveToPage(table, p, false); <-- called when applyWidgets is triggered c.pager.last.page = -1; c.$table.trigger('applyWidgets'); tsp.fixHeight(table, c); } }) .bind('disable.pager', function(e){ e.stopPropagation(); tsp.showAllRows(table, c); }) .on('enable.pager', function(e){ e.stopPropagation(); tsp.enablePager(table, c, true); }) .on('destroy.pager', function(e){ e.stopPropagation(); tsp.destroyPager(table, c); }) .on('updateComplete.pager', function(e, table, triggered){ e.stopPropagation(); // table can be unintentionally undefined in tablesorter v2.17.7 and earlier if (!table || triggered) { return; } tsp.fixHeight(table, c); var $rows = c.$tbodies.eq(0).children('tr').not(c.selectorRemove); p.totalRows = $rows.length - ( c.widgetOptions.pager_countChildRows ? 0 : $rows.filter('.' + c.cssChildRow).length ); p.totalPages = Math.ceil( p.totalRows / p.size ); if ($rows.length && c.rowsCopy && c.rowsCopy.length === 0) { // make a copy of all table rows once the cache has been built tsp.updateCache(table); } tsp.updatePageDisplay(table, c); tsp.hideRows(table, c); // make sure widgets are applied - fixes #450 c.$table.trigger('applyWidgets'); }) .on('pageSize.pager', function(e,v){ e.stopPropagation(); tsp.setPageSize(table, parseInt(v, 10) || 10, c); tsp.hideRows(table, c); tsp.updatePageDisplay(table, c, false); if (p.$size.length) { p.$size.val(p.size); } // twice? }) .on('pageSet.pager', function(e,v){ e.stopPropagation(); p.page = (parseInt(v, 10) || 1) - 1; if (p.$goto.length) { p.$goto.val(c.size); } // twice? tsp.moveToPage(table, p, true); tsp.updatePageDisplay(table, c, false); }); // clicked controls ctrls = [ s.first, s.prev, s.next, s.last ]; fxn = [ 'moveToFirstPage', 'moveToPrevPage', 'moveToNextPage', 'moveToLastPage' ]; p.$container.find(ctrls.join(',')) .attr("tabindex", 0) .unbind('click.pager') .bind('click.pager', function(e){ e.stopPropagation(); var i, $c = $(this), l = ctrls.length; if ( !$c.hasClass(wo.pager_css.disabled) ) { for (i = 0; i < l; i++) { if ($c.is(ctrls[i])) { tsp[fxn[i]](table, p); break; } } } }); if ( p.$goto.length ) { p.$goto .unbind('change') .bind('change', function(){ p.page = $(this).val() - 1; tsp.moveToPage(table, p, true); tsp.updatePageDisplay(table, c, false); }); } if ( p.$size.length ) { // setting an option as selected appears to cause issues with initial page size p.$size.find('option').removeAttr('selected'); p.$size .unbind('change.pager') .bind('change.pager', function() { p.$size.val( $(this).val() ); // in case there are more than one pagers if ( !$(this).hasClass(wo.pager_css.disabled) ) { tsp.setPageSize(table, parseInt( $(this).val(), 10 ), c); tsp.changeHeight(table, c); } return false; }); } }, // hide arrows at extremes pagerArrows: function(c, disable) { var p = c.pager, dis = !!disable, first = dis || p.page === 0, tp = Math.min( p.totalPages, p.filteredPages ), last = dis || p.page === tp - 1 || tp === 0, wo = c.widgetOptions, s = wo.pager_selectors; if ( wo.pager_updateArrows ) { p.$container.find(s.first + ',' + s.prev).toggleClass(wo.pager_css.disabled, first).attr('aria-disabled', first); p.$container.find(s.next + ',' + s.last).toggleClass(wo.pager_css.disabled, last).attr('aria-disabled', last); } }, updatePageDisplay: function(table, c, completed) { var i, pg, s, $out, regex, wo = c.widgetOptions, p = c.pager, f = c.$table.hasClass('hasFilters'), t = [], sz = p.size || 10; // don't allow dividing by zero t = [ wo && wo.filter_filteredRow || 'filtered', c.selectorRemove.replace(/^(\w+\.)/g,'') ]; if (wo.pager_countChildRows) { t.push(c.cssChildRow); } regex = new RegExp( '(' + t.join('|') + ')' ); p.$size.add(p.$goto).removeClass(wo.pager_css.disabled).removeAttr('disabled').attr('aria-disabled', 'false'); if (f && !wo.pager_ajaxUrl) { if ($.isEmptyObject(c.cache)) { // delayInit: true so nothing is in the cache p.filteredRows = p.totalRows = c.$tbodies.eq(0).children('tr').not( c.widgetOptions.pager_countChildRows ? '' : '.' + c.cssChildRow ).length; } else { p.filteredRows = 0; $.each(c.cache[0].normalized, function(i, el) { p.filteredRows += p.regexRows.test(el[c.columns].$row[0].className) ? 0 : 1; }); } } else if (!f) { p.filteredRows = p.totalRows; } p.totalPages = Math.ceil( p.totalRows / sz ); // needed for "pageSize" method c.totalRows = p.totalRows; c.filteredRows = p.filteredRows; p.filteredPages = Math.ceil( p.filteredRows / sz ) || 0; if ( Math.min( p.totalPages, p.filteredPages ) >= 0 ) { t = (p.size * p.page > p.filteredRows); p.startRow = (t) ? 1 : (p.filteredRows === 0 ? 0 : p.size * p.page + 1); p.page = (t) ? 0 : p.page; p.endRow = Math.min( p.filteredRows, p.totalRows, p.size * ( p.page + 1 ) ); $out = p.$container.find(wo.pager_selectors.pageDisplay); // form the output string (can now get a new output string from the server) s = ( p.ajaxData && p.ajaxData.output ? p.ajaxData.output || wo.pager_output : wo.pager_output ) // {page} = one-based index; {page+#} = zero based index +/- value .replace(/\{page([\-+]\d+)?\}/gi, function(m,n){ return p.totalPages ? p.page + (n ? parseInt(n, 10) : 1) : 0; }) // {totalPages}, {extra}, {extra:0} (array) or {extra : key} (object) .replace(/\{\w+(\s*:\s*\w+)?\}/gi, function(m){ var len, indx, str = m.replace(/[{}\s]/g,''), extra = str.split(':'), data = p.ajaxData, // return zero for default page/row numbers deflt = /(rows?|pages?)$/i.test(str) ? 0 : ''; if (/(startRow|page)/.test(extra[0]) && extra[1] === 'input') { len = ('' + (extra[0] === 'page' ? p.totalPages : p.totalRows)).length; indx = extra[0] === 'page' ? p.page + 1 : p.startRow; return ''; } return extra.length > 1 && data && data[extra[0]] ? data[extra[0]][extra[1]] : p[str] || (data ? data[str] : deflt) || deflt; }); if ($out.length) { $out[ ($out[0].tagName === 'INPUT') ? 'val' : 'html' ](s); if ( p.$goto.length ) { t = ''; pg = Math.min( p.totalPages, p.filteredPages ); for ( i = 1; i <= pg; i++ ) { t += ''; } p.$goto[0].innerHTML = t; p.$goto[0].value = p.page + 1; } // rebind startRow/page inputs $out.find('.ts-startRow, .ts-page').unbind('change').bind('change', function(){ var v = $(this).val(), pg = $(this).hasClass('ts-startRow') ? Math.floor( v/p.size ) + 1 : v; c.$table.trigger('pageSet.pager', [ pg ]); }); } } tsp.pagerArrows(c); if (p.initialized && completed !== false) { c.$table.trigger('pagerComplete', c); // save pager info to storage if (wo.pager_savePages && ts.storage) { ts.storage(table, wo.pager_storageKey, { page : p.page, size : p.size }); } } }, fixHeight: function(table, c) { var d, h, p = c.pager, wo = c.widgetOptions, $b = c.$tbodies.eq(0); if (wo.pager_fixedHeight) { $b.find('tr.pagerSavedHeightSpacer').remove(); h = $.data(table, 'pagerSavedHeight'); if (h) { d = h - $b.height(); if ( d > 5 && $.data(table, 'pagerLastSize') === p.size && $b.children('tr:visible').length < p.size ) { $b.append(''); } } } }, changeHeight: function(table, c) { var $b = c.$tbodies.eq(0); $b.find('tr.pagerSavedHeightSpacer').remove(); $.data(table, 'pagerSavedHeight', $b.height()); tsp.fixHeight(table, c); $.data(table, 'pagerLastSize', c.pager.size); }, hideRows: function(table, c){ if (!c.widgetOptions.pager_ajaxUrl) { var i, lastIndex = 0, p = c.pager, wo = c.widgetOptions, rows = c.$tbodies.eq(0).children('tr'), l = rows.length, s = ( p.page * p.size ), e = s + p.size, f = wo && wo.filter_filteredRow || 'filtered', j = 0; // size counter for ( i = 0; i < l; i++ ){ if ( !rows[i].className.match(f) ) { if (j === s && rows[i].className.match(c.cssChildRow)) { // hide child rows @ start of pager (if already visible) rows[i].style.display = 'none'; } else { rows[i].style.display = ( j >= s && j < e ) ? '' : 'none'; // don't count child rows j += rows[i].className.match(c.cssChildRow + '|' + c.selectorRemove.replace(/^(\w+\.)/g,'')) && !wo.pager_countChildRows ? 0 : 1; if ( j === e && rows[i].style.display !== 'none' && rows[i].className.match(ts.css.cssHasChild) ) { lastIndex = i; } } } } // add any attached child rows to last row of pager. Fixes part of issue #396 if ( lastIndex > 0 && rows[lastIndex].className.match(ts.css.cssHasChild) ) { while ( ++lastIndex < l && rows[lastIndex].className.match(c.cssChildRow) ) { rows[lastIndex].style.display = ''; } } } }, hideRowsSetup: function(table, c){ var p = c.pager; p.size = parseInt( p.$size.val(), 10 ) || p.size; $.data(table, 'pagerLastSize', p.size); tsp.pagerArrows(c); if ( !c.widgetOptions.pager_removeRows ) { tsp.hideRows(table, c); c.$table.on('sortEnd.pager filterEnd.pager', function(){ tsp.hideRows(table, c); }); } }, renderAjax: function(data, table, c, xhr, exception){ var p = c.pager, wo = c.widgetOptions; // process data if ( $.isFunction(wo.pager_ajaxProcessing) ) { // ajaxProcessing result: [ total, rows, headers ] var i, j, t, hsh, $f, $sh, th, d, l, rr_count, $t = c.$table, tds = '', result = wo.pager_ajaxProcessing(data, table, xhr) || [ 0, [] ], hl = $t.find('thead th').length; // Clean up any previous error. ts.showError(table); if ( exception ) { if (c.debug) { ts.log('Ajax Error', xhr, exception); } ts.showError(table, exception.message + ' (' + xhr.status + ')'); c.$tbodies.eq(0).children('tr').detach(); p.totalRows = 0; } else { // process ajax object if (!$.isArray(result)) { p.ajaxData = result; c.totalRows = p.totalRows = result.total; c.filteredRows = p.filteredRows = typeof result.filteredRows !== 'undefined' ? result.filteredRows : result.total; th = result.headers; d = result.rows; } else { // allow [ total, rows, headers ] or [ rows, total, headers ] t = isNaN(result[0]) && !isNaN(result[1]); // ensure a zero returned row count doesn't fail the logical || rr_count = result[t ? 1 : 0]; p.totalRows = isNaN(rr_count) ? p.totalRows || 0 : rr_count; // can't set filtered rows when returning an array c.totalRows = c.filteredRows = p.filteredRows = p.totalRows; d = p.totalRows === 0 ? [""] : result[t ? 0 : 1] || []; // row data th = result[2]; // headers } l = d && d.length; if (d instanceof jQuery) { if (wo.pager_processAjaxOnInit) { // append jQuery object c.$tbodies.eq(0).children('tr').detach(); c.$tbodies.eq(0).append(d); } } else if (l) { // build table from array for ( i = 0; i < l; i++ ) { tds += ''; for ( j = 0; j < d[i].length; j++ ) { // build tbody cells; watch for data containing HTML markup - see #434 tds += /^\s*' + d[i][j] + ''; } tds += ''; } // add rows to first tbody if (wo.pager_processAjaxOnInit) { c.$tbodies.eq(0).html( tds ); } } wo.pager_processAjaxOnInit = true; // only add new header text if the length matches if ( th && th.length === hl ) { hsh = $t.hasClass('hasStickyHeaders'); $sh = hsh ? wo.$sticky.children('thead:first').children('tr').children() : ''; $f = $t.find('tfoot tr:first').children(); // don't change td headers (may contain pager) c.$headers.filter('th').each(function(j){ var $t = $(this), icn; // add new test within the first span it finds, or just in the header if ( $t.find('.' + ts.css.icon).length ) { icn = $t.find('.' + ts.css.icon).clone(true); $t.find('.tablesorter-header-inner').html( th[j] ).append(icn); if ( hsh && $sh.length ) { icn = $sh.eq(j).find('.' + ts.css.icon).clone(true); $sh.eq(j).find('.tablesorter-header-inner').html( th[j] ).append(icn); } } else { $t.find('.tablesorter-header-inner').html( th[j] ); if (hsh && $sh.length) { $sh.eq(j).find('.tablesorter-header-inner').html( th[j] ); } } $f.eq(j).html( th[j] ); }); } } if (c.showProcessing) { ts.isProcessing(table); // remove loading icon } // make sure last pager settings are saved, prevents multiple server side calls with // the same parameters p.totalPages = Math.ceil( p.totalRows / ( p.size || 10 ) ); p.last.totalRows = p.totalRows; p.last.currentFilters = p.currentFilters; p.last.sortList = (c.sortList || []).join(','); tsp.updatePageDisplay(table, c); tsp.fixHeight(table, c); $t.trigger('updateCache', [function(){ if (p.initialized) { // apply widgets after table has rendered & after a delay to prevent // multiple applyWidget blocking code from blocking this trigger setTimeout(function(){ $t .trigger('applyWidgets') .trigger('pagerChange', p); }, 0); } }]); } if (!p.initialized) { c.$table.trigger('applyWidgets'); } }, getAjax: function(table, c){ var counter, url = tsp.getAjaxUrl(table, c), $doc = $(document), wo = c.widgetOptions, p = c.pager; if ( url !== '' ) { if (c.showProcessing) { ts.isProcessing(table, true); // show loading icon } $doc.on('ajaxError.pager', function(e, xhr, settings, exception) { tsp.renderAjax(null, table, c, xhr, exception); $doc.unbind('ajaxError.pager'); }); counter = ++p.ajaxCounter; wo.pager_ajaxObject.url = url; // from the ajaxUrl option and modified by customAjaxUrl wo.pager_ajaxObject.success = function(data, status, jqxhr) { // Refuse to process old ajax commands that were overwritten by new ones - see #443 if (counter < p.ajaxCounter){ return; } tsp.renderAjax(data, table, c, jqxhr); $doc.unbind('ajaxError.pager'); if (typeof p.oldAjaxSuccess === 'function') { p.oldAjaxSuccess(data); } }; if (c.debug) { ts.log('ajax initialized', wo.pager_ajaxObject); } $.ajax(wo.pager_ajaxObject); } }, getAjaxUrl: function(table, c) { var p = c.pager, wo = c.widgetOptions, url = (wo.pager_ajaxUrl) ? wo.pager_ajaxUrl // allow using "{page+1}" in the url string to switch to a non-zero based index .replace(/\{page([\-+]\d+)?\}/, function(s,n){ return p.page + (n ? parseInt(n, 10) : 0); }) .replace(/\{size\}/g, p.size) : '', sl = c.sortList, fl = p.currentFilters || $(table).data('lastSearch') || [], sortCol = url.match(/\{\s*sort(?:List)?\s*:\s*(\w*)\s*\}/), filterCol = url.match(/\{\s*filter(?:List)?\s*:\s*(\w*)\s*\}/), arry = []; if (sortCol) { sortCol = sortCol[1]; $.each(sl, function(i,v){ arry.push(sortCol + '[' + v[0] + ']=' + v[1]); }); // if the arry is empty, just add the col parameter... "&{sortList:col}" becomes "&col" url = url.replace(/\{\s*sort(?:List)?\s*:\s*(\w*)\s*\}/g, arry.length ? arry.join('&') : sortCol ); arry = []; } if (filterCol) { filterCol = filterCol[1]; $.each(fl, function(i,v){ if (v) { arry.push(filterCol + '[' + i + ']=' + encodeURIComponent(v)); } }); // if the arry is empty, just add the fcol parameter... "&{filterList:fcol}" becomes "&fcol" url = url.replace(/\{\s*filter(?:List)?\s*:\s*(\w*)\s*\}/g, arry.length ? arry.join('&') : filterCol ); p.currentFilters = fl; } if ( $.isFunction(wo.pager_customAjaxUrl) ) { url = wo.pager_customAjaxUrl(table, url); } if (c.debug) { ts.log('Pager ajax url: ' + url); } return url; }, renderTable: function(table, rows) { var $tb, index, count, added, c = table.config, p = c.pager, wo = c.widgetOptions, f = c.$table.hasClass('hasFilters'), l = rows && rows.length || 0, // rows may be undefined s = ( p.page * p.size ), e = p.size; if ( l < 1 ) { if (c.debug) { ts.log('Pager: no rows for pager to render'); } // empty table, abort! return; } if ( p.page >= p.totalPages ) { // lets not render the table more than once return tsp.moveToLastPage(table, p); } p.isDisabled = false; // needed because sorting will change the page and re-enable the pager if (p.initialized) { c.$table.trigger('pagerChange', c); } if ( !wo.pager_removeRows ) { tsp.hideRows(table, c); } else { ts.clearTableBody(table); $tb = ts.processTbody(table, c.$tbodies.eq(0), true); // not filtered, start from the calculated starting point (s) // if filtered, start from zero index = f ? 0 : s; count = f ? 0 : s; added = 0; while (added < e && index < rows.length) { if (!f || !/filtered/.test(rows[index][0].className)){ count++; if (count > s && added <= e) { added++; $tb.append(rows[index]); } } index++; } ts.processTbody(table, $tb, false); } tsp.updatePageDisplay(table, c); if ( !p.isDisabled ) { tsp.fixHeight(table, c); } wo.pager_startPage = p.page; wo.pager_size = p.size; if (table.isUpdating) { c.$table.trigger('updateComplete', [ table, true ]); } }, showAllRows: function(table, c){ var p = c.pager, wo = c.widgetOptions; if ( p.ajax ) { tsp.pagerArrows(c, true); } else { p.isDisabled = true; $.data(table, 'pagerLastPage', p.page); $.data(table, 'pagerLastSize', p.size); p.page = 0; p.size = p.totalRows; p.totalPages = 1; c.$table .addClass('pagerDisabled') .removeAttr('aria-describedby') .find('tr.pagerSavedHeightSpacer').remove(); tsp.renderTable(table, c.rowsCopy); c.$table.trigger('applyWidgets'); if (c.debug) { ts.log('pager disabled'); } } // disable size selector p.$size.add(p.$goto).each(function(){ $(this).attr('aria-disabled', 'true').addClass(wo.pager_css.disabled)[0].disabled = true; }); }, // updateCache if delayInit: true // this is normally done by "appendToTable" function in the tablesorter core AFTER a sort updateCache: function(table) { var c = table.config, p = c.pager; c.$table.trigger('updateCache', [ function(){ if ( !$.isEmptyObject(table.config.cache) ) { var i, rows = [], n = table.config.cache[0].normalized; p.totalRows = n.length; for (i = 0; i < p.totalRows; i++) { rows.push(n[i][c.columns].$row); } c.rowsCopy = rows; tsp.moveToPage(table, p, true); // clear out last search to force an update p.last.currentFilters = [' ']; } } ]); }, moveToPage: function(table, p, pageMoved) { if ( p.isDisabled ) { return; } if ( pageMoved !== false && p.initialized && $.isEmptyObject(table.config.cache)) { return tsp.updateCache(table); } var c = table.config, l = p.last, pg = Math.min( p.totalPages, p.filteredPages ); if ( p.page < 0 ) { p.page = 0; } if ( p.page > ( pg - 1 ) && pg !== 0 ) { p.page = pg - 1; } // fixes issue where one current filter is [] and the other is ['','',''], // making the next if comparison think the filters as different. Fixes #202. l.currentFilters = (l.currentFilters || []).join('') === '' ? [] : l.currentFilters; p.currentFilters = (p.currentFilters || []).join('') === '' ? [] : p.currentFilters; // don't allow rendering multiple times on the same page/size/totalRows/filters/sorts if ( l.page === p.page && l.size === p.size && l.totalRows === p.totalRows && (l.currentFilters || []).join(',') === (p.currentFilters || []).join(',') && l.sortList === (c.sortList || []).join(',') ) { return; } if (c.debug) { ts.log('Pager changing to page ' + p.page); } p.last = { page : p.page, size : p.size, // fixes #408; modify sortList otherwise it auto-updates sortList : (c.sortList || []).join(','), totalRows : p.totalRows, currentFilters : p.currentFilters || [] }; if (p.ajax) { tsp.getAjax(table, c); } else if (!p.ajax) { tsp.renderTable(table, c.rowsCopy); } $.data(table, 'pagerLastPage', p.page); if (p.initialized && pageMoved !== false) { c.$table .trigger('pageMoved', c) .trigger('applyWidgets'); if (!p.ajax && table.isUpdating) { c.$table.trigger('updateComplete', [ table, true ]); } } }, setPageSize: function(table, size, c) { var p = c.pager; p.size = size || p.size || 10; p.$size.val(p.size); $.data(table, 'pagerLastPage', p.page); $.data(table, 'pagerLastSize', p.size); p.totalPages = Math.ceil( p.totalRows / p.size ); p.filteredPages = Math.ceil( p.filteredRows / p.size ); tsp.moveToPage(table, p, true); }, moveToFirstPage: function(table, p) { p.page = 0; tsp.moveToPage(table, p, true); }, moveToLastPage: function(table, p) { p.page = ( Math.min( p.totalPages, p.filteredPages ) - 1 ); tsp.moveToPage(table, p, true); }, moveToNextPage: function(table, p) { p.page++; if ( p.page >= ( Math.min( p.totalPages, p.filteredPages ) - 1 ) ) { p.page = ( Math.min( p.totalPages, p.filteredPages ) - 1 ); } tsp.moveToPage(table, p, true); }, moveToPrevPage: function(table, p) { p.page--; if ( p.page <= 0 ) { p.page = 0; } tsp.moveToPage(table, p, true); }, destroyPager: function(table, c){ var p = c.pager; tsp.showAllRows(table, c); p.$container.hide(); // hide pager c.appender = null; // remove pager appender function p.initialized = false; delete table.config.rowsCopy; c.$table.unbind('destroy.pager sortEnd.pager filterEnd.pager enable.pager disable.pager'); if (ts.storage) { ts.storage(table, c.widgetOptions.pager_storageKey, ''); } }, enablePager: function(table, c, triggered){ var info, p = c.pager; p.isDisabled = false; p.page = $.data(table, 'pagerLastPage') || p.page || 0; p.size = $.data(table, 'pagerLastSize') || parseInt(p.$size.find('option[selected]').val(), 10) || p.size || 10; p.$size.val(p.size); // set page size p.totalPages = Math.ceil( Math.min( p.totalRows, p.filteredRows ) / p.size ); c.$table.removeClass('pagerDisabled'); // if table id exists, include page display with aria info if ( table.id ) { info = table.id + '_pager_info'; p.$container.find(c.widgetOptions.pager_selectors.pageDisplay).attr('id', info); c.$table.attr('aria-describedby', info); } if ( triggered ) { c.$table.trigger('updateRows'); tsp.setPageSize(table, p.size, c); tsp.hideRowsSetup(table, c); tsp.fixHeight(table, c); if (c.debug) { ts.log('pager enabled'); } } }, appender: function(table, rows) { var c = table.config, wo = c.widgetOptions, p = c.pager; if ( !p.ajax ) { c.rowsCopy = rows; p.totalRows = c.widgetOptions.pager_countChildRows ? c.$tbodies.eq(0).children('tr').length : rows.length; p.size = $.data(table, 'pagerLastSize') || p.size || wo.pager_size || 10; p.totalPages = Math.ceil( p.totalRows / p.size ); tsp.moveToPage(table, p); // update display here in case all rows are removed tsp.updatePageDisplay(table, c, false); } else { tsp.moveToPage(table, p, true); } } }; // see #486 ts.showError = function(table, message){ $(table).each(function(){ var $row, c = this.config, errorRow = c.pager && c.pager.cssErrorRow || c.widgetOptions.pager_css && c.widgetOptions.pager_css.errorRow || 'tablesorter-errorRow'; if (c) { if (typeof message === 'undefined') { c.$table.find('thead').find(c.selectorRemove).remove(); } else { $row = ( /tr\>/.test(message) ? $(message) : $('' + message + '') ) .click(function(){ $(this).remove(); }) // add error row to thead instead of tbody, or clicking on the header will result in a parser error .appendTo( c.$table.find('thead:first') ) .addClass( errorRow + ' ' + c.selectorRemove.replace(/^(\w+\.)/g,'') ) .attr({ role : 'alert', 'aria-live' : 'assertive' }); } } }); }; })(jQuery);