Lidarr/NzbDrone.Backbone/JsLibraries/jquery.tablesorter.pager.js

575 lines
26 KiB
JavaScript

/*!
* tablesorter pager plugin
* updated 2/20/2013
*/
/*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,
// 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.cssFirst + ',' + c.cssPrev, c.container)[ ( dis || c.page === 0 ) ? a : r ](d);
$(c.cssNext + ',' + c.cssLast, c.container)[ ( dis || c.page === tp - 1 ) ? a : r ](d);
}
},
updatePageDisplay = function(table, c) {
var i, p, s, t, out, f = $(table).hasClass('hasFilters') && !c.ajaxUrl;
c.filteredRows = (f) ? table.config.$tbodies.children('tr:not(.filtered,.remove-me)').length : c.totalRows;
c.filteredPages = (f) ? Math.ceil( c.filteredRows / c.size ) : c.totalPages;
if ( Math.min( c.totalPages, c.filteredPages ) > 0 ) {
t = (c.size * c.page > c.filteredRows);
c.startRow = (t) ? 1 : ( 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.cssPageDisplay, c.container);
// 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[0]) {
out[ (out[0].tagName === 'INPUT') ? 'val' : 'html' ](s);
if ( $(c.cssGoto, c.container).length ) {
t = '';
p = Math.min( c.totalPages, c.filteredPages );
for ( i = 1; i <= p; i++ ) {
t += '<option>' + i + '</option>';
}
$(c.cssGoto, c.container).html(t).val(c.page + 1);
}
}
}
pagerArrows(c);
if (c.initialized) { $(table).trigger('pagerComplete', c); }
},
fixHeight = function(table, c) {
var d, h, $b = $(table.tBodies[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('<tr class="pagerSavedHeightSpacer ' + table.config.selectorRemove.replace(/(tr)?\./g,'') + '" style="height:' + d + 'px;"></tr>');
}
}
}
},
changeHeight = function(table, c) {
var $b = $(table.tBodies[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,
rows = $(table.tBodies).children('tr:not(.' + table.config.cssChildRow + ')'),
l = rows.length,
s = ( c.page * c.size ),
e = s + c.size,
j = 0; // size counter
for ( i = 0; i < l; i++ ){
if (!/filtered/.test(rows[i].className)) {
rows[i].style.display = ( j >= s && j < e ) ? '' : 'none';
j++;
}
}
}
},
hideRowsSetup = function(table, c){
c.size = parseInt( $(c.cssPageSize, c.container).find('option[selected]').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, exception){
// process data
if ( typeof(c.ajaxProcessing) === "function" ) {
// ajaxProcessing result: [ total, rows, headers ]
var i, j, hsh, $f, $sh,
$t = $(table),
tc = table.config,
hl = $t.find('thead th').length, tds = '',
err = '<tr class="' + c.cssErrorRow + ' ' + tc.selectorRemove.replace(/(tr)?\./g,'') + '"><td style="text-align: center;" colspan="' + hl + '">' +
(exception ? exception.message + ' (' + exception.name + ')' : 'No rows found') + '</td></tr>',
result = c.ajaxProcessing(data) || [ 0, [] ],
d = result[1] || [],
l = d.length,
th = result[2];
if ( l > 0 ) {
for ( i = 0; i < l; i++ ) {
tds += '<tr>';
for ( j = 0; j < d[i].length; j++ ) {
// build tbody cells
tds += '<td>' + d[i][j] + '</td>';
}
tds += '</tr>';
}
}
// only add new header text if the length matches
if ( th && th.length === hl ) {
hsh = $t.hasClass('hasStickyHeaders');
$sh = $t.find('.' + ((tc.widgetOptions && tc.widgetOptions.stickyHeaders) || 'tablesorter-stickyheader'));
$f = $t.find('tfoot tr:first').children();
$t.find('th.' + tc.cssHeader).each(function(j){
var $t = $(this), icn;
// add new test within the first span it finds, or just in the header
if ( $t.find('.' + tc.cssIcon).length ) {
icn = $t.find('.' + tc.cssIcon).clone(true);
$t.find('.tablesorter-header-inner').html( th[j] ).append(icn);
if ( hsh && $sh.length ) {
icn = $sh.find('th').eq(j).find('.' + tc.cssIcon).clone(true);
$sh.find('th').eq(j).find('.tablesorter-header-inner').html( th[j] ).append(icn);
}
} else {
$t.find('.tablesorter-header-inner').html( th[j] );
$sh.find('th').eq(j).find('.tablesorter-header-inner').html( th[j] );
}
$f.eq(j).html( th[j] );
});
}
$t.find('thead tr.' + c.cssErrorRow).remove(); // Clean up any previous error.
if ( exception ) {
// add error row to thead instead of tbody, or clicking on the header will result in a parser error
$t.find('thead').append(err);
} else {
$(table.tBodies[0]).html( tds ); // add rows to first tbody
}
if (tc.showProcessing) {
$.tablesorter.isProcessing(table); // remove loading icon
}
$t.trigger('update');
c.totalRows = result[0] || 0;
c.totalPages = Math.ceil( c.totalRows / c.size );
updatePageDisplay(table, c);
fixHeight(table, c);
if (c.initialized) { $t.trigger('pagerChange', c); }
}
if (!c.initialized) {
c.initialized = true;
$(table).trigger('pagerInitialized', c);
}
},
getAjax = function(table, c){
var url = getAjaxUrl(table, c),
tc = table.config;
if ( url !== '' ) {
if (tc.showProcessing) {
$.tablesorter.isProcessing(table, true); // show loading icon
}
$(document).bind('ajaxError.pager', function(e, xhr, settings, exception) {
if (settings.url === url) {
renderAjax(null, table, c, exception);
$(document).unbind('ajaxError.pager');
}
});
$.getJSON(url, function(data) {
renderAjax(data, table, c);
$(document).unbind('ajaxError.pager');
});
}
},
getAjaxUrl = function(table, c) {
var url = (c.ajaxUrl) ? c.ajaxUrl.replace(/\{page\}/g, c.page).replace(/\{size\}/g, c.size) : '',
sl = table.config.sortList,
fl = c.currentFilters || [],
sortCol = url.match(/\{sortList[\s+]?:[\s+]?([^}]*)\}/),
filterCol = url.match(/\{filterList[\s+]?:[\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(/\{sortList[\s+]?:[\s+]?([^\}]*)\}/g, arry.length ? arry.join('&') : sortCol );
}
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(/\{filterList[\s+]?:[\s+]?([^\}]*)\}/g, arry.length ? arry.join('&') : filterCol );
}
return url;
},
renderTable = function(table, rows, c) {
c.isDisabled = false; // needed because sorting will change the page and re-enable the pager
var i, j, o,
f = document.createDocumentFragment(),
l = rows.length,
s = ( c.page * c.size ),
e = ( s + c.size );
if ( l < 1 ) { return; } // empty table, abort!
if (c.initialized) { $(table).trigger('pagerChange', c); }
if ( !c.removeRows ) {
hideRows(table, c);
} else {
if ( e > rows.length ) {
e = rows.length;
}
$(table.tBodies[0]).addClass('tablesorter-hidden');
$.tablesorter.clearTableBody(table);
for ( i = s; i < e; i++ ) {
o = rows[i];
l = o.length;
for ( j = 0; j < l; j++ ) {
f.appendChild(o[j]);
}
}
table.tBodies[0].appendChild(f);
$(table.tBodies[0]).removeClass('tablesorter-hidden');
}
if ( c.page >= c.totalPages ) {
moveToLastPage(table, c);
}
updatePageDisplay(table, c);
if ( !c.isDisabled ) { fixHeight(table, c); }
$(table).trigger('applyWidgets');
},
showAllRows = function(table, c){
if ( c.ajax ) {
pagerArrows(c, true);
} else {
c.isDisabled = true;
$.data(table, 'pagerLastPage', c.page);
$.data(table, 'pagerLastSize', c.size);
c.page = 0;
c.size = c.totalRows;
c.totalPages = 1;
$('tr.pagerSavedHeightSpacer', table.tBodies[0]).remove();
renderTable(table, table.config.rowsCopy, c);
}
// disable size selector
$(c.container).find(c.cssPageSize + ',' + c.cssGoto).each(function(){
$(this).addClass(c.cssDisabled)[0].disabled = true;
});
},
moveToPage = function(table, c) {
if ( c.isDisabled ) { return; }
var p = Math.min( c.totalPages, c.filteredPages );
if ( c.page < 0 ) { c.page = 0; }
if ( c.page > ( p - 1 ) && p !== 0 ) { c.page = p - 1; }
if (c.ajax) {
getAjax(table, c);
} else if (!c.ajax) {
renderTable(table, table.config.rowsCopy, c);
}
$.data(table, 'pagerLastPage', c.page);
$.data(table, 'pagerUpdateTriggered', true);
if (c.initialized) { $(table).trigger('pageMoved', c); }
},
setPageSize = function(table, size, c) {
c.size = size;
$.data(table, 'pagerLastPage', c.page);
$.data(table, 'pagerLastSize', c.size);
c.totalPages = Math.ceil( c.totalRows / c.size );
moveToPage(table, c);
},
moveToFirstPage = function(table, c) {
c.page = 0;
moveToPage(table, c);
},
moveToLastPage = function(table, c) {
c.page = ( Math.min( c.totalPages, c.filteredPages ) - 1 );
moveToPage(table, c);
},
moveToNextPage = function(table, c) {
c.page++;
if ( c.page >= ( Math.min( c.totalPages, c.filteredPages ) - 1 ) ) {
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.cssPageSize, c.container).removeClass(c.cssDisabled).removeAttr('disabled');
$(c.container).find(c.cssGoto).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),
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);