<link rel="stylesheet" href="/libs/tocbot/tocbot.css">
<style>
    #articleContent h1,
    #articleContent h2,
    #articleContent h3,
    #articleContent h4,
    #articleContent h5,
    #articleContent h6 {
        padding-top: 76px;
        margin-top: -76px;
    }

    #articleContent h1 {
        line-height: 3.5rem;
    }

    #articleContent h2 {
        line-height: 3.2rem;
    }

    #articleContent h3 {
        line-height: 2.8rem;
    }

    #articleContent h4 {
        line-height: 2.5rem;
    }

    #articleContent h5 {
        line-height: 2.2rem;
    }

    #articleContent h6 {
        line-height: 1.9rem;
    }

    #articleContent :focus {
        outline: none;
    }

    .toc-fixed {
        position: fixed;
        top: 64px;
    }

    .toc-widget {
        padding-left: 20px;
    }

    .toc-widget .toc-title {
        margin: 35px 0 15px 0;
        padding-left: 17px;
        font-size: 1.5rem;
        font-weight: bold;
        line-height: 1.5rem;
    }

    .toc-widget ol {
        padding: 0;
        list-style: none;
    }

    #toc-content ol {
        padding-left: 10px;
    }

    #toc-content ol li {
        padding-left: 10px;
    }

    #toc-content .toc-link:hover {
        color: #42b983;
        font-weight: 700;
        text-decoration: underline;
    }

    #toc-content .toc-link::before {
        background-color: transparent;
        max-height: 25px;
    }

    #toc-content .is-active-link {
        color: #42b983;
    }

    #toc-content .is-active-link::before {
        background-color: #42b983;
    }
</style>
<div class="row">
    <div class="col s12 m12 l9">
        <%- partial('_partial/post-detail.ejs') %>
    </div>
    <div class="col l3 hide-on-med-and-down">
        <div class="toc-widget">
            <div class="toc-title"><i class="fa fa-list-alt"></i>&nbsp;&nbsp;<%- __('toc') %></div>
            <div id="toc-content"></div>
        </div>
    </div>
</div>

<script src="/libs/tocbot/tocbot.min.js"></script>
<script>
    $(function () {
        tocbot.init({
            tocSelector: '#toc-content',
            contentSelector: '#articleContent',
            headingSelector: '<%- theme.toc.heading %>'
        });

        // modify the toc link href to support Chinese.
        let i = 0;
        let tocHeading = 'toc-heading-';
        $('#toc-content a').each(function () {
            $(this).attr('href', '#' + tocHeading + (++i));
        });

        // modify the heading title id to support Chinese.
        i = 0;
        $('#articleContent').children('<%- theme.toc.heading %>').each(function () {
            $(this).attr('id', tocHeading + (++i));
        });

        // Set scroll toc fixed.
        let tocHeight = parseInt($(window).height() * 0.4 - 64);
        let $tocWidget = $('.toc-widget');
        $(window).scroll(function () {
            let scroll = $(window).scrollTop();
            /* add post toc fixed. */
            if (scroll > tocHeight) {
                $tocWidget.addClass('toc-fixed');
            } else {
                $tocWidget.removeClass('toc-fixed');
            }
        });
    });
</script>