/*!
* tablesorter pager plugin
* updated 5/27/2013
*/
/*jshint browser:true, jquery:true, unused:false */
;(function($) {
"use strict";
/*jshint supernew:true */
$.extend({ tablesorterPager: new function() {
this.defaults = {
// target the pager markup
container: null,
// 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
ajaxUrl: null,
// modify the url after all processing has been applied
customAjaxUrl: function(table, url) { return url; },
// modify the $.ajax object to allow complete control over your ajax requests
ajaxObject: {
dataType: 'json'
},
// 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
// ]
ajaxProcessing: function(ajax){ return [ 0, [], null ]; },
// output default: '{page}/{totalPages}'
// possible variables: {page}, {totalPages}, {filteredPages}, {startRow}, {endRow}, {filteredRows} and {totalRows}
output: '{startRow} to {endRow} of {totalRows} rows', // '{page}/{totalPages}'
// apply disabled classname to the pager arrows when the rows at either extreme is visible
updateArrows: true,
// starting page of the pager (zero based index)
page: 0,
// Number of visible rows
size: 10,
// 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
fixedHeight: 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.
removeRows: false, // removing rows in larger tables speeds up the sort
// css class names of pager arrows
cssFirst: '.first', // go to first page arrow
cssPrev: '.prev', // previous page arrow
cssNext: '.next', // next page arrow
cssLast: '.last', // go to last page arrow
cssGoto: '.gotoPage', // go to page selector - select dropdown that sets the current page
cssPageDisplay: '.pagedisplay', // location of where the "output" is displayed
cssPageSize: '.pagesize', // page size selector - select dropdown that sets the "size" option
cssErrorRow: 'tablesorter-errorRow', // error information row
// class added to arrows when at the extremes (i.e. prev/first arrows are "disabled" when on the first page)
cssDisabled: 'disabled', // Note there is no period "." in front of this class name
// stuff not set by the user
totalRows: 0,
totalPages: 0,
filteredRows: 0,
filteredPages: 0
};
var $this = this,
// hide arrows at extremes
pagerArrows = function(c, disable) {
var a = 'addClass',
r = 'removeClass',
d = c.cssDisabled,
dis = !!disable,
tp = Math.min( c.totalPages, c.filteredPages );
if ( c.updateArrows ) {
c.$container.find(c.cssFirst + ',' + c.cssPrev)[ ( dis || c.page === 0 ) ? a : r ](d);
c.$container.find(c.cssNext + ',' + c.cssLast)[ ( dis || c.page === tp - 1 ) ? a : r ](d);
}
},
updatePageDisplay = function(table, c, flag) {
var i, p, s, t, out,
tc = table.config,
f = $(table).hasClass('hasFilters') && !c.ajaxUrl;
c.totalPages = Math.ceil( c.totalRows / c.size ); // needed for "pageSize" method
c.filteredRows = (f) ? tc.$tbodies.eq(0).children('tr:not(.' + (tc.widgetOptions && tc.widgetOptions.filter_filteredRow || 'filtered') + ',' + tc.selectorRemove + ')').length : c.totalRows;
c.filteredPages = (f) ? Math.ceil( c.filteredRows / c.size ) || 1 : c.totalPages;
if ( Math.min( c.totalPages, c.filteredPages ) >= 0 ) {
t = (c.size * c.page > c.filteredRows);
c.startRow = (t) ? 1 : (c.filteredRows === 0 ? 0 : c.size * c.page + 1);
c.page = (t) ? 0 : c.page;
c.endRow = Math.min( c.filteredRows, c.totalRows, c.size * ( c.page + 1 ) );
out = c.$container.find(c.cssPageDisplay);
// form the output string
s = c.output.replace(/\{(page|filteredRows|filteredPages|totalPages|startRow|endRow|totalRows)\}/gi, function(m){
return {
'{page}' : c.page + 1,
'{filteredRows}' : c.filteredRows,
'{filteredPages}' : c.filteredPages,
'{totalPages}' : c.totalPages,
'{startRow}' : c.startRow,
'{endRow}' : c.endRow,
'{totalRows}' : c.totalRows
}[m];
});
if (out.length) {
out[ (out[0].tagName === 'INPUT') ? 'val' : 'html' ](s);
if ( c.$goto.length ) {
t = '';
p = Math.min( c.totalPages, c.filteredPages );
for ( i = 1; i <= p; i++ ) {
t += '';
}
c.$goto.html(t).val( c.page + 1 );
}
}
}
pagerArrows(c);
if (c.initialized && flag !== false) { $(table).trigger('pagerComplete', c); }
},
fixHeight = function(table, c) {
var d, h, $b = table.config.$tbodies.eq(0);
if (c.fixedHeight) {
$b.find('tr.pagerSavedHeightSpacer').remove();
h = $.data(table, 'pagerSavedHeight');
if (h) {
d = h - $b.height();
if ( d > 5 && $.data(table, 'pagerLastSize') === c.size && $b.children('tr:visible').length < c.size ) {
$b.append('
');
}
}
}
},
changeHeight = function(table, c) {
var $b = table.config.$tbodies.eq(0);
$b.find('tr.pagerSavedHeightSpacer').remove();
$.data(table, 'pagerSavedHeight', $b.height());
fixHeight(table, c);
$.data(table, 'pagerLastSize', c.size);
},
hideRows = function(table, c){
if (!c.ajaxUrl) {
var i,
tc = table.config,
rows = tc.$tbodies.eq(0).children('tr:not(.' + tc.cssChildRow + ')'),
l = rows.length,
s = ( c.page * c.size ),
e = s + c.size,
f = tc.widgetOptions && tc.widgetOptions.filter_filteredRow || 'filtered',
j = 0; // size counter
for ( i = 0; i < l; i++ ){
if ( !rows[i].className.match(f) ) {
rows[i].style.display = ( j >= s && j < e ) ? '' : 'none';
j++;
}
}
}
},
hideRowsSetup = function(table, c){
c.size = parseInt( c.$size.val(), 10 ) || c.size;
$.data(table, 'pagerLastSize', c.size);
pagerArrows(c);
if ( !c.removeRows ) {
hideRows(table, c);
$(table).bind('sortEnd.pager filterEnd.pager', function(){
hideRows(table, c);
});
}
},
renderAjax = function(data, table, c, xhr, exception){
// process data
if ( typeof(c.ajaxProcessing) === "function" ) {
// ajaxProcessing result: [ total, rows, headers ]
var i, j, hsh, $f, $sh, th, d, l, $err,
$t = $(table),
tc = table.config,
hl = $t.find('thead th').length, tds = '',
result = c.ajaxProcessing(data, table) || [ 0, [] ],
// allow [ total, rows, headers ] or [ rows, total, headers ]
t = isNaN(result[0]) && !isNaN(result[1]);
$t.find('thead tr.' + c.cssErrorRow).remove(); // Clean up any previous error.
if ( exception ) {
$err = $('