redraw perf w/short circuits

gistfile1.txt

ft.redraw = function () {

            var start = new Date();
            //add the toggler to each row
            ft.addRowToggle();

            //bind the toggle selector click events
            ft.bindToggleSelectors();

            //set any cell classes defined for the columns
            ft.setColumnClasses();

            var $table = $(ft.table),
                breakpointName = $table.data('breakpoint'),
                hasBreakpointFired = ft.hasBreakpointColumn(breakpointName);

            $table
                .find('> tbody > tr:not(.' + cls.detail + ')').data('detail_created', false).end()
                .find('> thead > tr:last-child > th')
                .each(function () {
                    var data = ft.columns[$(this).index()], selector = '', first = true;
                    if (data.hide[breakpointName]){
                    $.each(data.matches, function (m, match) {
                        if (!first) {
                            selector += ', ';
                        }
                        var count = match + 1;
                        //selector += '> tbody > tr:not(.' + cls.detail + ') > td:nth-child(' + count + ')';
                        selector += '> tbody > td:nth-child(' + count + ')';
                        //selector += ', > tfoot > tr:not(.' + cls.detail + ') > td:nth-child(' + count + ')';
                        //selector += ', > colgroup > col:nth-child(' + count + ')';
                        first = false;
                    });

                    selector += ', > thead > tr[data-group-row="true"] > th[data-group="' + data.group + '"]';
                    
                        var $column = $table.find(selector).add(this);
                        $column.hide();
                    }

                    /*if ($table.find('> thead > tr.footable-group-row').length === 1) {
                        var $groupcols = $table.find('> thead > tr:last-child > th[data-group="' + data.group + '"]:visible, > thead > tr:last-child > th[data-group="' + data.group + '"]:visible'),
                            $group = $table.find('> thead > tr.footable-group-row > th[data-group="' + data.group + '"], > thead > tr.footable-group-row > td[data-group="' + data.group + '"]'),
                            groupspan = 0;

                        $.each($groupcols, function () {
                            groupspan += parseInt($(this).attr('colspan') || 1, 10);
                        });

                        if (groupspan > 0) $group.attr('colspan', groupspan).show();
                        else $group.hide();
                    }*/
                });
                /*.end()
                .find('> tbody > tr.' + cls.detailShow).each(function () {
                    ft.createOrUpdateDetailRow(this);
                });*/

            /*$table.find('> tbody > tr.' + cls.detailShow + ':visible').each(function () {
                var $next = $(this).next();
                if ($next.hasClass(cls.detail)) {
                    if (!hasBreakpointFired) $next.hide();
                    else $next.show();
                }
            });*/

            // adding .footable-first-column and .footable-last-column to the first and last th and td of each row in order to allow
            // for styling if the first or last column is hidden (which won't work using :first-child or :last-child)
            /*$table.find('> thead > tr > th.footable-last-column, > tbody > tr > td.footable-last-column').removeClass('footable-last-column');
            $table.find('> thead > tr > th.footable-first-column, > tbody > tr > td.footable-first-column').removeClass('footable-first-column');
            $table.find('> thead > tr, > tbody > tr')
                .find('> th:visible:last, > td:visible:last')
                .addClass('footable-last-column')
                .end()
                .find('> th:visible:first, > td:visible:first')
                .addClass('footable-first-column');*/
            ft.raise(evt.redrawn);
        };