191 lines
8.0 KiB
JavaScript
191 lines
8.0 KiB
JavaScript
(function ($, w, undefined) {
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if (w.footable === undefined || w.footable === null)
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throw new Error('Please check and make sure footable.js is included in the page and is loaded prior to this script.');
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var defaults = {
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sort: true,
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sorters: {
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alpha: function (a, b) {
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if (typeof(a) === 'string') { a = a.toLowerCase(); }
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if (typeof(b) === 'string') { b = b.toLowerCase(); }
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if (a === b) return 0;
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if (a < b) return -1;
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return 1;
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},
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numeric: function (a, b) {
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return a - b;
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}
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},
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classes: {
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sort: {
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sortable: 'footable-sortable',
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sorted: 'footable-sorted',
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descending: 'footable-sorted-desc',
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indicator: 'footable-sort-indicator'
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}
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},
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events: {
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sort: {
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sorting: 'footable_sorting',
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sorted: 'footable_sorted'
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}
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}
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};
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function Sort() {
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var p = this;
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p.name = 'Footable Sortable';
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p.init = function (ft) {
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p.footable = ft;
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if (ft.options.sort === true) {
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$(ft.table)
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.unbind('.sorting')
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.bind({
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'footable_initialized.sorting': function (e) {
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var $table = $(ft.table),
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$tbody = $table.find('> tbody'),
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cls = ft.options.classes.sort,
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column, $th;
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if ($table.data('sort') === false) return;
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$table.find('> thead > tr:last-child > th, > thead > tr:last-child > td').each(function (ec) {
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var $th = $(this), column = ft.columns[$th.index()];
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if (column.sort.ignore !== true && !$th.hasClass(cls.sortable)) {
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$th.addClass(cls.sortable);
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$('<span />').addClass(cls.indicator).appendTo($th);
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}
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});
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$table.find('> thead > tr:last-child > th.' + cls.sortable + ', > thead > tr:last-child > td.' + cls.sortable).unbind('click.footable').bind('click.footable', function (ec) {
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ec.preventDefault();
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$th = $(this);
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var ascending = !$th.hasClass(cls.sorted);
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p.doSort($th.index(), ascending);
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return false;
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});
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var didSomeSorting = false;
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for (var c in ft.columns) {
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column = ft.columns[c];
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if (column.sort.initial) {
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var ascending = (column.sort.initial !== 'descending');
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p.doSort(column.index, ascending);
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break;
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}
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}
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if (didSomeSorting) {
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ft.bindToggleSelectors();
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}
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},
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'footable_redrawn.sorting': function(e) {
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var $table = $(ft.table),
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cls = ft.options.classes.sort;
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if ($table.data('sorted') >= 0) {
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$table.find('> thead > tr:last-child > th').each(function(i){
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var $th = $(this);
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if ($th.hasClass(cls.sorted) || $th.hasClass(cls.descending)) {
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p.doSort(i);
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return;
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}
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});
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}
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},
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'footable_column_data.sorting': function (e) {
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var $th = $(e.column.th);
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e.column.data.sort = e.column.data.sort || {};
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e.column.data.sort.initial = $th.data('sort-initial') || false;
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e.column.data.sort.ignore = $th.data('sort-ignore') || false;
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e.column.data.sort.selector = $th.data('sort-selector') || null;
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var match = $th.data('sort-match') || 0;
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if (match >= e.column.data.matches.length) match = 0;
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e.column.data.sort.match = e.column.data.matches[match];
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}
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})
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//save the sort object onto the table so we can access it later
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.data('footable-sort', p);
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}
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};
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p.doSort = function(columnIndex, ascending) {
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var ft = p.footable;
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if ($(ft.table).data('sort') === false) return;
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var $table = $(ft.table),
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$tbody = $table.find('> tbody'),
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column = ft.columns[columnIndex],
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$th = $table.find('> thead > tr:last-child > th:eq(' + columnIndex + ')'),
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cls = ft.options.classes.sort,
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evt = ft.options.events.sort;
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ascending = (ascending === undefined) ? $th.hasClass(cls.sorted) :
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(ascending === 'toggle') ? !$th.hasClass(cls.sorted) : ascending;
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if (column.sort.ignore === true) return true;
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//raise a pre-sorting event so that we can cancel the sorting if needed
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var event = ft.raise(evt.sorting, { column: column, direction: ascending ? 'ASC' : 'DESC' });
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if (event && event.result === false) return;
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$table.data('sorted', column.index);
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$table.find('> thead > tr:last-child > th, > thead > tr:last-child > td').not($th).removeClass(cls.sorted + ' ' + cls.descending);
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if (ascending === undefined) {
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ascending = $th.hasClass(cls.sorted);
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}
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if (ascending) {
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$th.removeClass(cls.descending).addClass(cls.sorted);
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} else {
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$th.removeClass(cls.sorted).addClass(cls.descending);
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}
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p.sort(ft, $tbody, column, ascending);
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ft.bindToggleSelectors();
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ft.raise(evt.sorted, { column: column, direction: ascending ? 'ASC' : 'DESC' });
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};
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p.rows = function (ft, tbody, column) {
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var rows = [];
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tbody.find('> tr').each(function () {
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var $row = $(this), $next = null;
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if ($row.hasClass(ft.options.classes.detail)) return true;
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if ($row.next().hasClass(ft.options.classes.detail)) {
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$next = $row.next().get(0);
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}
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var row = { 'row': $row, 'detail': $next };
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if (column !== undefined) {
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row.value = ft.parse(this.cells[column.sort.match], column);
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}
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rows.push(row);
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return true;
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}).detach();
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return rows;
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};
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p.sort = function (ft, tbody, column, ascending) {
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var rows = p.rows(ft, tbody, column);
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var sorter = ft.options.sorters[column.type] || ft.options.sorters.alpha;
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rows.sort(function (a, b) {
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if (ascending) {
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return sorter(a.value, b.value);
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} else {
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return sorter(b.value, a.value);
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}
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});
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for (var j = 0; j < rows.length; j++) {
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tbody.append(rows[j].row);
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if (rows[j].detail !== null) {
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tbody.append(rows[j].detail);
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}
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}
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};
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}
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w.footable.plugins.register(Sort, defaults);
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})(jQuery, window);
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