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source: extensions/LCAS/tags/2.3.0/admin/template/js/jquery.tablesorter.pager.js @ 27186

Last change on this file since 27186 was 27186, checked in by LucMorizur, 10 years ago
Version 2.3.0, compatibility with Piwigo 2.6
Property svn:eol-style set to `LF`
File size: 25.1 KB

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1	/*!
2	* tablesorter pager plugin
3	* updated 12/16/2013 (v2.14.5)
4	*/
5	/jshint browser:true, jquery:true, unused:false /
6	;(function($) {
7	"use strict";
8	/jshint supernew:true /
9	var ts = $.tablesorter;
10
11	$.extend({ tablesorterPager: new function() {
12
13	this.defaults = {
14	// target the pager markup
15	container: null,
16
17	// use this format: "http://mydatabase.com?page={page}&size={size}&{sortList:col}&{filterList:fcol}"
18	// where {page} is replaced by the page number, {size} is replaced by the number of records to show,
19	// {sortList:col} adds the sortList to the url into a "col" array, and {filterList:fcol} adds
20	// the filterList to the url into an "fcol" array.
21	// So a sortList = [[2,0],[3,0]] becomes "&col[2]=0&col[3]=0" in the url
22	// and a filterList = [[2,Blue],[3,13]] becomes "&fcol[2]=Blue&fcol[3]=13" in the url
23	ajaxUrl: null,
24
25	// modify the url after all processing has been applied
26	customAjaxUrl: function(table, url) { return url; },
27
28	// modify the $.ajax object to allow complete control over your ajax requests
29	ajaxObject: {
30	dataType: 'json'
31	},
32
33	// set this to false if you want to block ajax loading on init
34	processAjaxOnInit: true,
35
36	// process ajax so that the following information is returned:
37	// [ total_rows (number), rows (array of arrays), headers (array; optional) ]
38	// example:
39	// [
40	// 100, // total rows
41	// [
42	// [ "row1cell1", "row1cell2", ... "row1cellN" ],
43	// [ "row2cell1", "row2cell2", ... "row2cellN" ],
44	// ...
45	// [ "rowNcell1", "rowNcell2", ... "rowNcellN" ]
46	// ],
47	// [ "header1", "header2", ... "headerN" ] // optional
48	// ]
49	ajaxProcessing: function(ajax){ return [ 0, [], null ]; },
50
51	// output default: '{page}/{totalPages}'
52	// possible variables: {page}, {totalPages}, {filteredPages}, {startRow}, {endRow}, {filteredRows} and {totalRows}
53	output: '{startRow} to {endRow} of {totalRows} rows', // '{page}/{totalPages}'
54
55	// apply disabled classname to the pager arrows when the rows at either extreme is visible
56	updateArrows: true,
57
58	// starting page of the pager (zero based index)
59	page: 0,
60
61	// Number of visible rows
62	size: 10,
63
64	// Save pager page & size if the storage script is loaded (requires $.tablesorter.storage in jquery.tablesorter.widgets.js)
65	savePages: true,
66
67	// if true, the table will remain the same height no matter how many records are displayed. The space is made up by an empty
68	// table row set to a height to compensate; default is false
69	fixedHeight: false,
70
71	// count child rows towards the set page size? (set true if it is a visible table row within the pager)
72	// if true, child row(s) may not appear to be attached to its parent row, may be split across pages or
73	// may distort the table if rowspan or cellspans are included.
74	countChildRows: false,
75
76	// remove rows from the table to speed up the sort of large tables.
77	// setting this to false, only hides the non-visible rows; needed if you plan to add/remove rows with the pager enabled.
78	removeRows: false, // removing rows in larger tables speeds up the sort
79
80	// css class names of pager arrows
81	cssFirst: '.first', // go to first page arrow
82	cssPrev: '.prev', // previous page arrow
83	cssNext: '.next', // next page arrow
84	cssLast: '.last', // go to last page arrow
85	cssGoto: '.gotoPage', // go to page selector - select dropdown that sets the current page
86	cssPageDisplay: '.pagedisplay', // location of where the "output" is displayed
87	cssPageSize: '.pagesize', // page size selector - select dropdown that sets the "size" option
88	cssErrorRow: 'tablesorter-errorRow', // error information row
89
90	// class added to arrows when at the extremes (i.e. prev/first arrows are "disabled" when on the first page)
91	cssDisabled: 'disabled', // Note there is no period "." in front of this class name
92
93	// stuff not set by the user
94	totalRows: 0,
95	totalPages: 0,
96	filteredRows: 0,
97	filteredPages: 0,
98	ajaxCounter: 0,
99	currentFilters: [],
100	startRow: 0,
101	endRow: 0,
102	$size: null,
103	last: {}
104
105	};
106
107	var $this = this,
108
109	// hide arrows at extremes
110	pagerArrows = function(p, disable) {
111	var a = 'addClass',
112	r = 'removeClass',
113	d = p.cssDisabled,
114	dis = !!disable,
115	tp = Math.min( p.totalPages, p.filteredPages );
116	if ( p.updateArrows ) {
117	p.$container.find(p.cssFirst + ',' + p.cssPrev)[ ( dis \|\| p.page === 0 ) ? a : r ](d);
118	p.$container.find(p.cssNext + ',' + p.cssLast)[ ( dis \|\| p.page === tp - 1 \|\| p.totalPages === 0 ) ? a : r ](d);
119	}
120	},
121
122	updatePageDisplay = function(table, p, flag) {
123	var i, pg, s, out,
124	c = table.config,
125	f = c.$table.hasClass('hasFilters') && !p.ajaxUrl,
126	t = (c.widgetOptions && c.widgetOptions.filter_filteredRow \|\| 'filtered') + ',' + c.selectorRemove +
127	(p.countChildRows ? '' : ',.' + c.cssChildRow),
128	sz = p.size \|\| 10; // don't allow dividing by zero
129	p.totalPages = Math.ceil( p.totalRows / sz ); // needed for "pageSize" method
130	p.filteredRows = (f) ? c.$tbodies.eq(0).children('tr').not('.' + t ).length : p.totalRows;
131	p.filteredPages = (f) ? Math.ceil( p.filteredRows / sz ) \|\| 1 : p.totalPages;
132	if ( Math.min( p.totalPages, p.filteredPages ) >= 0 ) {
133	t = (p.size * p.page > p.filteredRows);
134	p.startRow = (t) ? 1 : (p.filteredRows === 0 ? 0 : p.size * p.page + 1);
135	p.page = (t) ? 0 : p.page;
136	p.endRow = Math.min( p.filteredRows, p.totalRows, p.size * ( p.page + 1 ) );
137	out = p.$container.find(p.cssPageDisplay);
138	// form the output string (can now get a new output string from the server)
139	s = ( p.ajaxData && p.ajaxData.output ? p.ajaxData.output \|\| p.output : p.output )
140	// {page} = one-based index; {page+#} = zero based index +/- value
141	.replace(/\{page([\-+]\d+)?\}/gi, function(m,n){
142	return p.totalPages ? p.page + (n ? parseInt(n, 10) : 1) : 0;
143	})
144	// {totalPages}, {extra}, {extra:0} (array) or {extra : key} (object)
145	.replace(/\{\w+(\s:\s\w+)?\}/gi, function(m){
146	var str = m.replace(/[{}\s]/g,''),
147	extra = str.split(':'),
148	data = p.ajaxData,
149	// return zero for default page/row numbers
150	deflt = /(rows?\|pages?)$/i.test(str) ? 0 : '';
151	return extra.length > 1 && data && data[extra[0]] ? data[extra[0]][extra[1]] : p[str] \|\| (data ? data[str] : deflt) \|\| deflt;
152	});
153	if (out.length) {
154	out[ (out[0].tagName === 'INPUT') ? 'val' : 'html' ](s);
155	if ( p.$goto.length ) {
156	t = '';
157	pg = Math.min( p.totalPages, p.filteredPages );
158	for ( i = 1; i <= pg; i++ ) {
159	t += '<option>' + i + '</option>';
160	}
161	p.$goto.html(t).val( p.page + 1 );
162	}
163	}
164	}
165	pagerArrows(p);
166	if (p.initialized && flag !== false) {
167	c.$table.trigger('pagerComplete', p);
168	// save pager info to storage
169	if (p.savePages && ts.storage) {
170	ts.storage(table, 'tablesorter-pager', {
171	page : p.page,
172	size : p.size
173	});
174	}
175	}
176	},
177
178	fixHeight = function(table, p) {
179	var d, h,
180	c = table.config,
181	$b = c.$tbodies.eq(0);
182	if (p.fixedHeight) {
183	$b.find('tr.pagerSavedHeightSpacer').remove();
184	h = $.data(table, 'pagerSavedHeight');
185	if (h) {
186	d = h - $b.height();
187	if ( d > 5 && $.data(table, 'pagerLastSize') === p.size && $b.children('tr:visible').length < p.size ) {
188	$b.append('<tr class="pagerSavedHeightSpacer ' + c.selectorRemove.replace(/(tr)?\./g,'') + '" style="height:' + d + 'px;"></tr>');
189	}
190	}
191	}
192	},
193
194	changeHeight = function(table, p) {
195	var $b = table.config.$tbodies.eq(0);
196	$b.find('tr.pagerSavedHeightSpacer').remove();
197	$.data(table, 'pagerSavedHeight', $b.height());
198	fixHeight(table, p);
199	$.data(table, 'pagerLastSize', p.size);
200	},
201
202	hideRows = function(table, p){
203	if (!p.ajaxUrl) {
204	var i,
205	c = table.config,
206	rows = c.$tbodies.eq(0).children(),
207	l = rows.length,
208	s = ( p.page * p.size ),
209	e = s + p.size,
210	f = c.widgetOptions && c.widgetOptions.filter_filteredRow \|\| 'filtered',
211	j = 0; // size counter
212	for ( i = 0; i < l; i++ ){
213	if ( !rows[i].className.match(f) ) {
214	rows[i].style.display = ( j >= s && j < e ) ? '' : 'none';
215	// don't count child rows
216	j += rows[i].className.match(c.cssChildRow + '\|' + c.selectorRemove.slice(1)) && !p.countChildRows ? 0 : 1;
217	}
218	}
219	}
220	},
221
222	hideRowsSetup = function(table, p){
223	p.size = parseInt( p.$size.val(), 10 ) \|\| p.size;
224	$.data(table, 'pagerLastSize', p.size);
225	pagerArrows(p);
226	if ( !p.removeRows ) {
227	hideRows(table, p);
228	$(table).bind('sortEnd.pager filterEnd.pager', function(){
229	hideRows(table, p);
230	});
231	}
232	},
233
234	renderAjax = function(data, table, p, xhr, exception){
235	// process data
236	if ( typeof(p.ajaxProcessing) === "function" ) {
237	// ajaxProcessing result: [ total, rows, headers ]
238	var i, j, hsh, $f, $sh, t, th, d, l, $err, rr_count,
239	c = table.config,
240	$t = c.$table,
241	tds = '',
242	result = p.ajaxProcessing(data, table) \|\| [ 0, [] ],
243	hl = $t.find('thead th').length;
244
245	$t.find('thead tr.' + p.cssErrorRow).remove(); // Clean up any previous error.
246
247	if ( exception ) {
248	if (c.debug) {
249	ts.log('Ajax Error', xhr, exception);
250	}
251	$err = $('<tr class="' + p.cssErrorRow + '"><td style="text-align:center;" colspan="' + hl + '">' + (
252	xhr.status === 0 ? 'Not connected, verify Network' :
253	xhr.status === 404 ? 'Requested page not found [404]' :
254	xhr.status === 500 ? 'Internal Server Error [500]' :
255	exception === 'parsererror' ? 'Requested JSON parse failed' :
256	exception === 'timeout' ? 'Time out error' :
257	exception === 'abort' ? 'Ajax Request aborted' :
258	'Uncaught error: ' + xhr.statusText + ' [' + xhr.status + ']' ) + '</td></tr>')
259	.click(function(){
260	$(this).remove();
261	})
262	// add error row to thead instead of tbody, or clicking on the header will result in a parser error
263	.appendTo( $t.find('thead:first') );
264	c.$tbodies.eq(0).empty();
265	} else {
266	// process ajax object
267	if (!$.isArray(result)) {
268	p.ajaxData = result;
269	p.totalRows = result.total;
270	th = result.headers;
271	d = result.rows;
272	} else {
273	// allow [ total, rows, headers ] or [ rows, total, headers ]
274	t = isNaN(result[0]) && !isNaN(result[1]);
275	//ensure a zero returned row count doesn't fail the logical \|\|
276	rr_count = result[t ? 1 : 0];
277	p.totalRows = isNaN(rr_count) ? p.totalRows \|\| 0 : rr_count;
278	d = p.totalRows === 0 ? [""] : result[t ? 0 : 1] \|\| []; // row data
279	th = result[2]; // headers
280	}
281	l = d.length;
282	if (d instanceof jQuery) {
283	// append jQuery object
284	c.$tbodies.eq(0).empty().append(d);
285	} else if (l) {
286	// build table from array
287	for ( i = 0; i < l; i++ ) {
288	tds += '<tr>';
289	for ( j = 0; j < d[i].length; j++ ) {
290	// build tbody cells; watch for data containing HTML markup - see #434
291	tds += /^\s*<td/.test(d[i][j]) ? $.trim(d[i][j]) : '<td>' + d[i][j] + '</td>';
292	}
293	tds += '</tr>';
294	}
295	// add rows to first tbody
296	p.processAjaxOnInit ? c.$tbodies.eq(0).html( tds ) : p.processAjaxOnInit = true;
297	}
298	// only add new header text if the length matches
299	if ( th && th.length === hl ) {
300	hsh = $t.hasClass('hasStickyHeaders');
301	$sh = hsh ? c.widgetOptions.$sticky.children('thead:first').children().children() : '';
302	$f = $t.find('tfoot tr:first').children();
303	// don't change td headers (may contain pager)
304	c.$headers.filter('th').each(function(j){
305	var $t = $(this), icn;
306	// add new test within the first span it finds, or just in the header
307	if ( $t.find('.' + ts.css.icon).length ) {
308	icn = $t.find('.' + ts.css.icon).clone(true);
309	$t.find('.tablesorter-header-inner').html( th[j] ).append(icn);
310	if ( hsh && $sh.length ) {
311	icn = $sh.eq(j).find('.' + ts.css.icon).clone(true);
312	$sh.eq(j).find('.tablesorter-header-inner').html( th[j] ).append(icn);
313	}
314	} else {
315	$t.find('.tablesorter-header-inner').html( th[j] );
316	if (hsh && $sh.length) {
317	$sh.eq(j).find('.tablesorter-header-inner').html( th[j] );
318	}
319	}
320	$f.eq(j).html( th[j] );
321	});
322	}
323	}
324	if (c.showProcessing) {
325	ts.isProcessing(table); // remove loading icon
326	}
327	// make sure last pager settings are saved, prevents multiple server side calls with
328	// the same parameters
329	p.last.totalPages = p.totalPages = Math.ceil( p.totalRows / ( p.size \|\| 10 ) );
330	p.last.currentFilters = p.currentFilters;
331	p.last.sortList = (c.sortList \|\| []).join(',');
332	updatePageDisplay(table, p);
333	fixHeight(table, p);
334	// apply widgets after table has rendered
335	$t.trigger('applyWidgets');
336	$t.trigger('update', [false, function(){
337	if (p.initialized) {
338	$t.trigger('updateComplete');
339	$t.trigger('pagerChange', p);
340	}
341	}]);
342	}
343	if (!p.initialized) {
344	p.initialized = true;
345	$(table).trigger('pagerInitialized', p);
346	}
347	},
348
349	getAjax = function(table, p){
350	var url = getAjaxUrl(table, p),
351	$doc = $(document),
352	counter,
353	c = table.config;
354	if ( url !== '' ) {
355	if (c.showProcessing) {
356	ts.isProcessing(table, true); // show loading icon
357	}
358	$doc.bind('ajaxError.pager', function(e, xhr, settings, exception) {
359	renderAjax(null, table, p, xhr, exception);
360	$doc.unbind('ajaxError.pager');
361	});
362
363	counter = ++p.ajaxCounter;
364
365	p.ajaxObject.url = url; // from the ajaxUrl option and modified by customAjaxUrl
366	p.ajaxObject.success = function(data) {
367	// Refuse to process old ajax commands that were overwritten by new ones - see #443
368	if (counter < p.ajaxCounter){
369	return;
370	}
371	renderAjax(data, table, p);
372	$doc.unbind('ajaxError.pager');
373	if (typeof p.oldAjaxSuccess === 'function') {
374	p.oldAjaxSuccess(data);
375	}
376	};
377	if (c.debug) {
378	ts.log('ajax initialized', p.ajaxObject);
379	}
380	$.ajax(p.ajaxObject);
381	}
382	},
383
384	getAjaxUrl = function(table, p) {
385	var c = table.config,
386	url = (p.ajaxUrl) ? p.ajaxUrl
387	// allow using "{page+1}" in the url string to switch to a non-zero based index
388	.replace(/\{page([\-+]\d+)?\}/, function(s,n){ return p.page + (n ? parseInt(n, 10) : 0); })
389	.replace(/\{size\}/g, p.size) : '',
390	sl = c.sortList,
391	fl = p.currentFilters \|\| $(table).data('lastSearch') \|\| [],
392	sortCol = url.match(/\{\ssort(?:List)?\s:\s(\w)\s*\}/),
393	filterCol = url.match(/\{\sfilter(?:List)?\s:\s(\w)\s*\}/),
394	arry = [];
395	if (sortCol) {
396	sortCol = sortCol[1];
397	$.each(sl, function(i,v){
398	arry.push(sortCol + '[' + v[0] + ']=' + v[1]);
399	});
400	// if the arry is empty, just add the col parameter... "&{sortList:col}" becomes "&col"
401	url = url.replace(/\{\ssort(?:List)?\s:\s(\w)\s*\}/g, arry.length ? arry.join('&') : sortCol );
402	arry = [];
403	}
404	if (filterCol) {
405	filterCol = filterCol[1];
406	$.each(fl, function(i,v){
407	if (v) {
408	arry.push(filterCol + '[' + i + ']=' + encodeURIComponent(v));
409	}
410	});
411	// if the arry is empty, just add the fcol parameter... "&{filterList:fcol}" becomes "&fcol"
412	url = url.replace(/\{\sfilter(?:List)?\s:\s(\w)\s*\}/g, arry.length ? arry.join('&') : filterCol );
413	p.currentFilters = fl;
414	}
415	if ( typeof(p.customAjaxUrl) === "function" ) {
416	url = p.customAjaxUrl(table, url);
417	}
418	if (c.debug) {
419	ts.log('Pager ajax url: ' + url);
420	}
421	return url;
422	},
423
424	renderTable = function(table, rows, p) {
425	var i, $tb,
426	l = rows && rows.length \|\| 0, // rows may be undefined
427	s = ( p.page * p.size ),
428	e = ( s + p.size );
429	if ( l < 1 ) { return; } // empty table, abort!
430	if ( p.page >= p.totalPages ) {
431	// lets not render the table more than once
432	moveToLastPage(table, p);
433	}
434	p.isDisabled = false; // needed because sorting will change the page and re-enable the pager
435	if (p.initialized) { $(table).trigger('pagerChange', p); }
436
437	if ( !p.removeRows ) {
438	hideRows(table, p);
439	} else {
440	if ( e > rows.length ) {
441	e = rows.length;
442	}
443	ts.clearTableBody(table);
444	$tb = ts.processTbody(table, table.config.$tbodies.eq(0), true);
445	for ( i = s; i < e; i++ ) {
446	$tb.append(rows[i]);
447	}
448	ts.processTbody(table, $tb, false);
449	}
450
451	updatePageDisplay(table, p);
452	if ( !p.isDisabled ) { fixHeight(table, p); }
453	$(table).trigger('applyWidgets');
454	},
455
456	showAllRows = function(table, p){
457	if ( p.ajax ) {
458	pagerArrows(p, true);
459	} else {
460	p.isDisabled = true;
461	$.data(table, 'pagerLastPage', p.page);
462	$.data(table, 'pagerLastSize', p.size);
463	p.page = 0;
464	p.size = p.totalRows;
465	p.totalPages = 1;
466	$(table).addClass('pagerDisabled').find('tr.pagerSavedHeightSpacer').remove();
467	renderTable(table, table.config.rowsCopy, p);
468	if (table.config.debug) {
469	ts.log('pager disabled');
470	}
471	}
472	// disable size selector
473	p.$size.add(p.$goto).each(function(){
474	$(this).addClass(p.cssDisabled)[0].disabled = true;
475	});
476	},
477
478	moveToPage = function(table, p, flag) {
479	if ( p.isDisabled ) { return; }
480	var c = table.config,
481	l = p.last,
482	pg = Math.min( p.totalPages, p.filteredPages );
483	if ( p.page < 0 ) { p.page = 0; }
484	if ( p.page > ( pg - 1 ) && pg !== 0 ) { p.page = pg - 1; }
485	// don't allow rendering multiple times on the same page/size/totalpages/filters/sorts
486	if ( l.page === p.page && l.size === p.size && l.totalPages === p.totalPages &&
487	(l.currentFilters \|\| []).join(',') === (p.currentFilters \|\| []).join(',') &&
488	l.sortList === (c.sortList \|\| []).join(',') ) { return; }
489	if (c.debug) {
490	ts.log('Pager changing to page ' + p.page);
491	}
492	p.last = {
493	page : p.page,
494	size : p.size,
495	// fixes #408; modify sortList otherwise it auto-updates
496	sortList : (c.sortList \|\| []).join(','),
497	totalPages : p.totalPages,
498	currentFilters : p.currentFilters \|\| []
499	};
500	if (p.ajax) {
501	getAjax(table, p);
502	} else if (!p.ajax) {
503	renderTable(table, table.config.rowsCopy, p);
504	}
505	$.data(table, 'pagerLastPage', p.page);
506	if (p.initialized && flag !== false) {
507	c.$table.trigger('pageMoved', p);
508	c.$table.trigger('applyWidgets');
509	}
510	},
511
512	setPageSize = function(table, size, p) {
513	p.size = size \|\| p.size \|\| 10;
514	p.$size.val(p.size);
515	$.data(table, 'pagerLastPage', p.page);
516	$.data(table, 'pagerLastSize', p.size);
517	p.totalPages = Math.ceil( p.totalRows / p.size );
518	moveToPage(table, p);
519	},
520
521	moveToFirstPage = function(table, p) {
522	p.page = 0;
523	moveToPage(table, p);
524	},
525
526	moveToLastPage = function(table, p) {
527	p.page = ( Math.min( p.totalPages, p.filteredPages ) - 1 );
528	moveToPage(table, p);
529	},
530
531	moveToNextPage = function(table, p) {
532	p.page++;
533	if ( p.page >= ( Math.min( p.totalPages, p.filteredPages ) - 1 ) ) {
534	p.page = ( Math.min( p.totalPages, p.filteredPages ) - 1 );
535	}
536	moveToPage(table, p);
537	},
538
539	moveToPrevPage = function(table, p) {
540	p.page--;
541	if ( p.page <= 0 ) {
542	p.page = 0;
543	}
544	moveToPage(table, p);
545	},
546
547	destroyPager = function(table, p){
548	showAllRows(table, p);
549	p.$container.hide(); // hide pager
550	table.config.appender = null; // remove pager appender function
551	p.initialized = false;
552	$(table).unbind('destroy.pager sortEnd.pager filterEnd.pager enable.pager disable.pager');
553	if (ts.storage) {
554	ts.storage(table, 'tablesorter-pager', '');
555	}
556	},
557
558	enablePager = function(table, p, triggered){
559	var pg = p.$size.removeClass(p.cssDisabled).removeAttr('disabled');
560	p.$goto.removeClass(p.cssDisabled).removeAttr('disabled');
561	p.isDisabled = false;
562	p.page = $.data(table, 'pagerLastPage') \|\| p.page \|\| 0;
563	p.size = $.data(table, 'pagerLastSize') \|\| parseInt(pg.find('option[selected]').val(), 10) \|\| p.size \|\| 10;
564	pg.val(p.size); // set page size
565	p.totalPages = Math.ceil( Math.min( p.totalPages, p.filteredPages ) / p.size );
566	if ( triggered ) {
567	$(table).trigger('update');
568	setPageSize(table, p.size, p);
569	hideRowsSetup(table, p);
570	fixHeight(table, p);
571	if (table.config.debug) {
572	ts.log('pager enabled');
573	}
574	}
575	};
576
577	$this.appender = function(table, rows) {
578	var c = table.config,
579	p = c.pager;
580	if ( !p.ajax ) {
581	c.rowsCopy = rows;
582	p.totalRows = p.countChildRows ? c.$tbodies.eq(0).children().length : rows.length;
583	p.size = $.data(table, 'pagerLastSize') \|\| p.size \|\| 10;
584	p.totalPages = Math.ceil( p.totalRows / p.size );
585	renderTable(table, rows, p);
586	}
587	};
588
589	$this.construct = function(settings) {
590	return this.each(function() {
591	// check if tablesorter has initialized
592	if (!(this.config && this.hasInitialized)) { return; }
593	var t, ctrls, fxn,
594	table = this,
595	c = table.config,
596	p = c.pager = $.extend( {}, $.tablesorterPager.defaults, settings ),
597	$t = c.$table,
598	// added in case the pager is reinitialized after being destroyed.
599	pager = p.$container = $(p.container).addClass('tablesorter-pager').show();
600	if (c.debug) {
601	ts.log('Pager initializing');
602	}
603	p.oldAjaxSuccess = p.oldAjaxSuccess \|\| p.ajaxObject.success;
604	c.appender = $this.appender;
605	if (ts.filter && $.inArray('filter', c.widgets) >= 0) {
606	// get any default filter settings (data-value attribute) fixes #388
607	p.currentFilters = c.$table.data('lastSearch') \|\| ts.filter.setDefaults(table, c, c.widgetOptions) \|\| [];
608	// set, but don't apply current filters
609	ts.setFilters(table, p.currentFilters, false);
610	}
611	if (p.savePages && ts.storage) {
612	t = ts.storage(table, 'tablesorter-pager') \|\| {}; // fixes #387
613	p.page = isNaN(t.page) ? p.page : t.page;
614	p.size = ( isNaN(t.size) ? p.size : t.size ) \|\| 10;
615	$.data(table, 'pagerLastSize', p.size);
616	}
617
618	$t
619	.unbind('filterStart filterEnd sortEnd disable enable destroy update updateRows updateAll addRows pageSize '.split(' ').join('.pager '))
620	.bind('filterStart.pager', function(e, filters) {
621	p.currentFilters = filters;
622	p.page = 0; // fixes #456
623	})
624	// update pager after filter widget completes
625	.bind('filterEnd.pager sortEnd.pager', function() {
626	if (p.initialized) {
627	moveToPage(table, p, false);
628	updatePageDisplay(table, p, false);
629	fixHeight(table, p);
630	}
631	})
632	.bind('disable.pager', function(e){
633	e.stopPropagation();
634	showAllRows(table, p);
635	})
636	.bind('enable.pager', function(e){
637	e.stopPropagation();
638	enablePager(table, p, true);
639	})
640	.bind('destroy.pager', function(e){
641	e.stopPropagation();
642	destroyPager(table, p);
643	})
644	.bind('update updateRows updateAll addRows '.split(' ').join('.pager '), function(e){
645	e.stopPropagation();
646	hideRows(table, p);
647	})
648	.bind('pageSize.pager', function(e,v){
649	e.stopPropagation();
650	setPageSize(table, parseInt(v, 10) \|\| 10, p);
651	hideRows(table, p);
652	updatePageDisplay(table, p, false);
653	if (p.$size.length) { p.$size.val(p.size); } // twice?
654	})
655	.bind('pageSet.pager', function(e,v){
656	e.stopPropagation();
657	p.page = (parseInt(v, 10) \|\| 1) - 1;
658	if (p.$goto.length) { p.$goto.val(p.size); } // twice?
659	moveToPage(table, p);
660	updatePageDisplay(table, p, false);
661	});
662
663	// clicked controls
664	ctrls = [ p.cssFirst, p.cssPrev, p.cssNext, p.cssLast ];
665	fxn = [ moveToFirstPage, moveToPrevPage, moveToNextPage, moveToLastPage ];
666	pager.find(ctrls.join(','))
667	.unbind('click.pager')
668	.bind('click.pager', function(e){
669	e.stopPropagation();
670	var i, $t = $(this), l = ctrls.length;
671	if ( !$t.hasClass(p.cssDisabled) ) {
672	for (i = 0; i < l; i++) {
673	if ($t.is(ctrls[i])) {
674	fxn[i](table, p);
675	break;
676	}
677	}
678	}
679	});
680
681	// goto selector
682	p.$goto = pager.find(p.cssGoto);
683	if ( p.$goto.length ) {
684	p.$goto
685	.unbind('change')
686	.bind('change', function(){
687	p.page = $(this).val() - 1;
688	moveToPage(table, p);
689	updatePageDisplay(table, p, false);
690	});
691	}
692
693	// page size selector
694	p.$size = pager.find(p.cssPageSize);
695	if ( p.$size.length ) {
696	p.$size.unbind('change.pager').bind('change.pager', function() {
697	p.$size.val( $(this).val() ); // in case there are more than one pagers
698	if ( !$(this).hasClass(p.cssDisabled) ) {
699	setPageSize(table, parseInt( $(this).val(), 10 ), p);
700	changeHeight(table, p);
701	}
702	return false;
703	});
704	}
705
706	// clear initialized flag
707	p.initialized = false;
708	// before initialization event
709	$t.trigger('pagerBeforeInitialized', p);
710
711	enablePager(table, p, false);
712
713	if ( typeof(p.ajaxUrl) === 'string' ) {
714	// ajax pager; interact with database
715	p.ajax = true;
716	//When filtering with ajax, allow only custom filtering function, disable default filtering since it will be done server side.
717	c.widgetOptions.filter_serversideFiltering = true;
718	c.serverSideSorting = true;
719	moveToPage(table, p);
720	} else {
721	p.ajax = false;
722	// Regular pager; all rows stored in memory
723	$(this).trigger("appendCache", true);
724	hideRowsSetup(table, p);
725	}
726
727	changeHeight(table, p);
728
729	// pager initialized
730	if (!p.ajax) {
731	p.initialized = true;
732	$(table).trigger('pagerInitialized', p);
733	}
734	});
735	};
736
737	}()
738	});
739	// extend plugin scope
740	$.fn.extend({
741	tablesorterPager: $.tablesorterPager.construct
742	});
743
744	})(jQuery);

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