jquery.quickpaginate.js

gistfile1.txt

jQuery.fn.quickpaginate = function (settings) {
    settings = jQuery.extend({
        perpage: 6,
        pager: null,
        showcounter: true,
        prev: "qp_next",
        next: "qp_prev",
        pagenumber: "qp_pagenumber",
        totalnumber: "qp_totalnumber",
        counter: "qp_counter"
    }, settings);
    var cm;
    var total;
    var last = false;
    var first = true;
    var items = jQuery(this);
    var nextbut;
    var prevbut;
    var init = function () {
            items.show();
            total = items.size();
            if (items.size() > settings.perpage) {
                items.filter(":gt(" + (settings.perpage - 1) + ")").hide();
                cm = settings.perpage;
                setNav();
            }
        };
    var goNext = function () {
            if (!last) {
                var nm = cm + settings.perpage;
                items.hide();
                items.slice(cm, nm).show();
                cm = nm;
                if (cm >= total) {
                    last = true;
                    nextbut.addClass("qp_disabled");
                }
                if (settings.showcounter) settings.pager.find("." + settings.pagenumber).text(cm / settings.perpage);
                prevbut.removeClass("qp_disabled");
                first = false;
            }
        };
    var goPrev = function () {
            if (!first) {
                var nm = cm - settings.perpage;
                items.hide();
                items.slice((nm - settings.perpage), nm).show();
                cm = nm;
                if (cm == settings.perpage) {
                    first = true;
                    prevbut.addClass("qp_disabled");
                }
                if (settings.showcounter) settings.pager.find("." + settings.pagenumber).text(cm / settings.perpage);
                nextbut.removeClass("qp_disabled");
                last = false;
            }
        };
    var setNav = function () {
            if (settings.pager === null) {
                settings.pager = jQuery('<div class="qc_pager"></div>');
                items.eq(items.size() - 1).after(settings.pager);
            }
            var pagerNav = $('<a class="' + settings.prev + '" href="#">&laquo; Previous</a><a class="' + settings.next + '" href="#">Next &raquo;</a>');
            jQuery(settings.pager).append(pagerNav);
            if (settings.showcounter) {
                var counter = '<span class="' + settings.counter + '"><span class="' + settings.pagenumber + '"></span> / <span class="' + settings.totalnumber + '"></span></span>';
                settings.pager.find("." + settings.prev).after(counter);
                settings.pager.find("." + settings.pagenumber).text(1);
                settings.pager.find("." + settings.totalnumber).text(Math.ceil(total / settings.perpage));
            }
            nextbut = settings.pager.find("." + settings.next);
            prevbut = settings.pager.find("." + settings.prev);
            prevbut.addClass("qp_disabled");
            nextbut.click(function () {
                goNext();
                return false;
            });
            prevbut.click(function () {
                goPrev();
                return false;
            });
        };
    init();
};