$(document).ready(function(){

    var $xmlButton = $("#xmlButton");
    var $javaButton = $("#javaButton");
    var $bothButton = $("#bothButton");

    var $xmlContent = $("*.xmlContent");
    var $xmlContentAll = $("*.xmlContent > *");

    var $javaContent = $("*.javaContent");
    var $javaContentAll = $("*.javaContent > *");

    setJava();

    // Initial cookie handler. This part remembers the reader's choice and sets the toggle
    // accordingly.
    var docToggleCookieString = Cookies.get("docToggle");
    if (docToggleCookieString != null) {
        if (docToggleCookieString === "xml") {
            $xmlButton.prop("checked", true);
            setXml();
        } else if (docToggleCookieString === "java") {
            $javaButton.prop("checked", true);
            setJava();
        } else if (docToggleCookieString === "both") {
            $bothButton.prop("checked", true);
            setBoth();
        }
    }

    // Click handlers
    $xmlButton.on("click", function() {
        setXml();
    });
    $javaButton.on("click", function() {
        setJava();
    });
    $bothButton.on("click", function() {
        setBoth();
    });

    // Functions to do the work of handling the reader's choice, whether through a click
    // or through a cookie. 3652 days is 10 years, give or take a leap day.
    function setXml() {
        $xmlContent.show();
        $javaContent.hide();
        $javaContentAll.addClass("js-toc-ignore");
        $xmlContentAll.removeClass("js-toc-ignore");
        window.dispatchEvent(new Event("tocRefresh"));
        tocbot.refresh();
        Cookies.set('docToggle', 'xml', { expires: 3652 });
    }

    function setJava() {
        $javaContent.show();
        $xmlContent.hide();
        $xmlContentAll.addClass("js-toc-ignore");
        $javaContentAll.removeClass("js-toc-ignore");
        window.dispatchEvent(new Event("tocRefresh"));
        tocbot.refresh();
        Cookies.set('docToggle', 'java', { expires: 3652 });
    }

    function setBoth() {
        $javaContent.show();
        $xmlContent.show();
        $javaContentAll.removeClass("js-toc-ignore");
        $xmlContentAll.removeClass("js-toc-ignore");
        window.dispatchEvent(new Event("tocRefresh"));
        tocbot.refresh();
        Cookies.set('docToggle', 'both', { expires: 3652 });
    }

});