disqus-gadget.xml

<?xml version="1.0" encoding="UTF-8"?>
<Module>
    <!-- based on gadget by SAN Gear http://gadgets-widgets.googlecode.com/svn/trunk/disqus/ -->
    <ModulePrefs
            title="Disqus for Google Sites"
            title_url="https://code.google.com/p/google-sites-disqus/"
            description="Add comments provided by Disqus service to your Google Site"
            directory_title="Disqus for Google Sites"
            thumbnail="https://google-sites-disqus.googlecode.com/git/gsd-logo.png"
            screenshot="https://google-sites-disqus.googlecode.com/git/screen.png"
            author="Serge Populov"
            author_aboutme="Software Developer"
            author_link="http://serge.populov.com/"
            author_quote="Simple. Fucking Good."
            author_photo="https://sites.google.com/a/populov.com/serge/home/photo.jpg"
            author_location="Russia"
            author_affiliation="Haunted Soft"
            height="70"
            scaling="false"
            scrolling="true"
            >
        <Require feature="dynamic-height"/>
    </ModulePrefs>

    <UserPref
            name="disqus_site_param"
            datatype="string"
            display_name="Disqus Shortname"
            default_value="Your site shortname (get at Disqus)"
            required="true"/>
    <UserPref
            name="disqus_url_param"
            datatype="string"
            display_name="Page URL - used only on thread creation (Strongly recommended)"
            default_value=""/>
    <UserPref
            name="disqus_id_param"
            datatype="string"
            display_name="Disqus ID - unique string, identifying discussion thread, invent yourself (Strongly recommended)"
            default_value=""/>
    <UserPref
            name="disqus_category_id_param"
            datatype="string"
            display_name="Category ID - used only on thread creation (optional)"
            default_value=""/>
    <UserPref
            name="disqus_ttl_param"
            datatype="string"
            display_name="Page Title - used only on thread creation (Recommended)"
            default_value=""/>
    <UserPref
            name="only_show_on_main_url"
            datatype="bool"
            display_name="Only show on main page URL (see above)"
            default_value="false"/>

    <Content type="html" >
        <![CDATA[

    <div id="disqus_thread"></div>
    <script type="text/javascript">

        var prefs = new gadgets.Prefs();

        var disqus_shortname = prefs.getString("disqus_site_param");
        var disqus_url = prefs.getString("disqus_url_param");
        var disqus_identifier = prefs.getString("disqus_id_param");
        var disqus_category_id = prefs.getString("disqus_category_id_param");
        var disqus_title = prefs.getString("disqus_ttl_param");

        var disqusGadget = (function () {
            function init() {
                var onlyShowOnMainUrl = prefs.getBool("only_show_on_main_url");
                var show = true;
                if (onlyShowOnMainUrl && disqus_url) {
                    var showOnUrl = disqus_url.toLowerCase().replace(/(http(s)?:\/\/)|([&|\/]$)/ig, "");
                    var parent = window.location.search.match(/parent=[^&]+/);
                    if (parent && parent.length > 0) {
                        var url = parent[0].toLowerCase().replace(/(^parent=)|(http(s)?:\/\/)|([&|\/]$)/ig, "");
                        if (url != showOnUrl)
                            show = false;
                    }
                }

                if (show) {
                    injectDisqusScript();
                    gadgets.util.registerOnLoadHandler(adjustHeight);
                }
                else {
                    var dsqComments = document.getElementById("dsqComments");
                    dsqComments.parentNode.removeChild(dsqComments);
                    adjustHeight(0);
                }
            }

            function injectDisqusScript() {
                var dsq = document.createElement('script');
                dsq.type = 'text/javascript';
                dsq.async = true;
                dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
                (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
            }

            function adjustHeight(height) {
                if (gadgets.window)
                    gadgets.window.adjustHeight(height);
            }

            return {
                adjustHeight: adjustHeight,
                init: init
            }
        })();

        function disqus_config() {
            this.callbacks.onReady = [ disqusGadget.adjustHeight ];
            this.callbacks.onNewComment = [ disqusGadget.adjustHeight ];
        }

        gadgets.util.registerOnLoadHandler(disqusGadget.init);
    </script>
    <noscript>Please enable JavaScript to view the <a href="http://disqus.com/?ref_noscript">comments powered by Disqus.</a></noscript>
    <a id="dsqComments" href="http://disqus.com" class="dsq-brlink">comments powered by <span class="logo-disqus">Disqus</span></a>
        ]]>
    </Content>
</Module>