(function ($, w, undefined) {
if (w.footable === undefined || w.footable === null)
throw new Error('Please check and make sure footable.js is included in the page and is loaded prior to this script.');
var defaults = {
paginate: true,
pageSize: 10,
pageNavigation: '.pagination',
firstText: '«',
previousText: '‹',
nextText: '›',
lastText: '»',
limitNavigation: 0,
limitPreviousText: '...',
limitNextText: '...'
};
function pageInfo(ft) {
var $table = $(ft.table), data = $table.data();
this.pageNavigation = data.pageNavigation || ft.options.pageNavigation;
this.pageSize = data.pageSize || ft.options.pageSize;
this.firstText = data.firstText || ft.options.firstText;
this.previousText = data.previousText || ft.options.previousText;
this.nextText = data.nextText || ft.options.nextText;
this.lastText = data.lastText || ft.options.lastText;
this.limitNavigation = parseInt(data.limitNavigation || ft.options.limitNavigation || defaults.limitNavigation, 10);
this.limitPreviousText = data.limitPreviousText || ft.options.limitPreviousText;
this.limitNextText = data.limitNextText || ft.options.limitNextText;
this.limit = this.limitNavigation > 0;
this.currentPage = data.currentPage || 0;
this.pages = [];
this.control = false;
}
function Paginate() {
var p = this;
p.name = 'Footable Paginate';
p.init = function (ft) {
if (ft.options.paginate === true) {
if ($(ft.table).data('page') === false) return;
p.footable = ft;
$(ft.table)
.unbind('.paging')
.bind({
'footable_initialized.paging footable_row_removed.paging footable_redrawn.paging footable_sorted.paging footable_filtered.paging': function () {
p.setupPaging();
}
})
//save the filter object onto the table so we can access it later
.data('footable-paging', p);
}
};
p.setupPaging = function () {
var ft = p.footable,
$tbody = $(ft.table).find('> tbody');
ft.pageInfo = new pageInfo(ft);
p.createPages(ft, $tbody);
p.createNavigation(ft, $tbody);
p.fillPage(ft, $tbody, ft.pageInfo.currentPage);
};
p.createPages = function (ft, tbody) {
var pages = 1;
var info = ft.pageInfo;
var pageCount = pages * info.pageSize;
var page = [];
var lastPage = [];
info.pages = [];
var rows = tbody.find('> tr:not(.footable-filtered,.footable-row-detail)');
rows.each(function (i, row) {
page.push(row);
if (i === pageCount - 1) {
info.pages.push(page);
pages++;
pageCount = pages * info.pageSize;
page = [];
} else if (i >= rows.length - (rows.length % info.pageSize)) {
lastPage.push(row);
}
});
if (lastPage.length > 0) info.pages.push(lastPage);
if (info.currentPage >= info.pages.length) info.currentPage = info.pages.length - 1;
if (info.currentPage < 0) info.currentPage = 0;
if (info.pages.length === 1) {
//we only have a single page
$(ft.table).addClass('no-paging');
} else {
$(ft.table).removeClass('no-paging');
}
};
p.createNavigation = function (ft, tbody) {
var $nav = $(ft.table).find(ft.pageInfo.pageNavigation);
//if we cannot find the navigation control within the table, then try find it outside
if ($nav.length === 0) {
$nav = $(ft.pageInfo.pageNavigation);
//if the navigation control is inside another table, then get out
if ($nav.parents('table:first').length > 0 && $nav.parents('table:first') !== $(ft.table)) return;
//if we found more than one navigation control, write error to console
if ($nav.length > 1 && ft.options.debug === true) console.error('More than one pagination control was found!');
}
//if we still cannot find the control, then don't do anything
if ($nav.length === 0) return;
//if the nav is not a UL, then find or create a UL
if (!$nav.is('ul')) {
if ($nav.find('ul:first').length === 0) {
$nav.append('');
}
$nav = $nav.find('ul');
}
$nav.find('li').remove();
var info = ft.pageInfo;
info.control = $nav;
if (info.pages.length > 0) {
$nav.append('');
if (info.limit){
$nav.append('');
}
if (!info.limit){
$.each(info.pages, function (i, page) {
if (page.length > 0) {
$nav.append('');
}
});
}
if (info.limit){
$nav.append('');
p.createLimited($nav, info, 0);
}
$nav.append('');
$nav.append('');
}
$nav.off('click', 'a[data-page]').on('click', 'a[data-page]', function (e) {
e.preventDefault();
var page = $(this).data('page');
var newPage = info.currentPage;
if (page === 'first') {
newPage = 0;
} else if (page === 'prev') {
if (newPage > 0) newPage--;
} else if (page === 'next') {
if (newPage < info.pages.length - 1) newPage++;
} else if (page === 'last') {
newPage = info.pages.length - 1;
} else if (page === 'limit-prev') {
newPage = -1;
var first = $nav.find('.footable-page:first a').data('page');
p.createLimited($nav, info, first - info.limitNavigation);
p.setPagingClasses($nav, info.currentPage, info.pages.length);
} else if (page === 'limit-next') {
newPage = -1;
var last = $nav.find('.footable-page:last a').data('page');
p.createLimited($nav, info, last + 1);
p.setPagingClasses($nav, info.currentPage, info.pages.length);
} else {
newPage = page;
}
if (newPage >= 0){
if (info.limit && info.currentPage != newPage){
var start = newPage;
while (start % info.limitNavigation !== 0){ start -= 1; }
p.createLimited($nav, info, start);
}
p.paginate(ft, newPage);
}
});
p.setPagingClasses($nav, info.currentPage, info.pages.length);
};
p.createLimited = function(nav, info, start){
start = start || 0;
nav.find('li.footable-page').remove();
var i, page,
$prev = nav.find('li.footable-page-arrow > a[data-page="limit-prev"]').parent(),
$next = nav.find('li.footable-page-arrow > a[data-page="limit-next"]').parent();
for (i = info.pages.length - 1; i >=0 ; i--){
page = info.pages[i];
if (i >= start && i < start + info.limitNavigation && page.length > 0) {
$prev.after('');
}
}
if (start === 0){ $prev.hide(); }
else { $prev.show(); }
if (start + info.limitNavigation >= info.pages.length){ $next.hide(); }
else { $next.show(); }
};
p.paginate = function (ft, newPage) {
var info = ft.pageInfo;
if (info.currentPage !== newPage) {
var $tbody = $(ft.table).find('> tbody');
//raise a pre-pagin event so that we can cancel the paging if needed
var event = ft.raise('footable_paging', { page: newPage, size: info.pageSize });
if (event && event.result === false) return;
p.fillPage(ft, $tbody, newPage);
info.control.find('li').removeClass('active disabled');
p.setPagingClasses(info.control, info.currentPage, info.pages.length);
}
};
p.setPagingClasses = function (nav, currentPage, pageCount) {
nav.find('li.footable-page > a[data-page=' + currentPage + ']').parent().addClass('active');
if (currentPage >= pageCount - 1) {
nav.find('li.footable-page-arrow > a[data-page="next"]').parent().addClass('disabled');
nav.find('li.footable-page-arrow > a[data-page="last"]').parent().addClass('disabled');
}
if (currentPage < 1) {
nav.find('li.footable-page-arrow > a[data-page="first"]').parent().addClass('disabled');
nav.find('li.footable-page-arrow > a[data-page="prev"]').parent().addClass('disabled');
}
};
p.fillPage = function (ft, tbody, pageNumber) {
ft.pageInfo.currentPage = pageNumber;
$(ft.table).data('currentPage', pageNumber);
tbody.find('> tr').hide();
$(ft.pageInfo.pages[pageNumber]).each(function () {
p.showRow(this, ft);
});
ft.raise('footable_page_filled');
};
p.showRow = function (row, ft) {
var $row = $(row), $next = $row.next(), $table = $(ft.table);
if ($table.hasClass('breakpoint') && $row.hasClass('footable-detail-show') && $next.hasClass('footable-row-detail')) {
$row.add($next).show();
ft.createOrUpdateDetailRow(row);
}
else $row.show();
};
}
w.footable.plugins.register(Paginate, defaults);
})(jQuery, window);