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Port ivle.webapp.admin.user's media to the new framework.

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www/media/browser/specialhome.js
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/* LAYOUT FUNCTIONS */
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/** Present special home directory. This is only called if in the top level.
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 * Subjects must not be null.
 
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/** Present home directory 
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 */
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function special_home_listing(listing, subjects, path)
 
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function home_listing(listing, subjects, path)
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{
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    /* Nav through the top-level of the JSON to the actual listing object. */
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    var listing = listing.listing;
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    var li;
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    var div;
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    /* Wrap all this "special" stuff in a div, for styling purposes */
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    specialhomediv = document.createElement("div");
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    specialhomediv.setAttribute("id", "specialhome");
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    filetablediv.appendChild(specialhomediv);
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    /* SUBJECTS Section
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    /* Create the header row */
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    if (subjects.length > 0)
 
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    /* Only show special headings if we get subject listings */
 
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    if (subjects != null)
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    {
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        h2 = dom_make_text_elem("h2", "Subjects");
 
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        /* Wrap all this "special" stuff in a div, for styling purposes */
 
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        specialhomediv = document.createElement("div");
 
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        specialhomediv.setAttribute("id", "specialhome");
 
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        filetablediv.appendChild(specialhomediv);
 
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        /* SUBJECTS Section
 
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        /* Create the header row */
 
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        if (subjects.length > 0)
 
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        {
 
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            h2 = dom_make_text_elem("h2", "Subjects");
 
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            specialhomediv.appendChild(h2);
 
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        }
 
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        /* Create the contents */
 
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        for (var i=0; i<subjects.length; i++)
 
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        {
 
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            var subject = subjects[i];
 
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            var subjpath = subject.subj_short_name;
 
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            // Header
 
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            h3 = dom_make_text_elem("h3", subject.subj_name);
 
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            specialhomediv.appendChild(h3);
 
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            /* Print the file listing */
 
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            ul = document.createElement("ul");
 
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            // Stuff
 
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            ul.appendChild(make_subject_item(subjpath,
 
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                path_join("users", username, subjpath), PERSONALDIR,
 
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                "Your own files in this subject"));
 
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            // Groups
 
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            var groups = subject.groups;
 
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            for (var j=0; j<subject.groups.length; j++)
 
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            {
 
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                var group = subject.groups[j];
 
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                ul.appendChild(make_subject_item(subjpath,
 
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                    path_join("groups", subject.subj_short_name + "_" +
 
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                              subject.year + "_" + subject.semester + "_" +
 
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                              group.name),
 
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                    group.name,
 
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                    "This group's files in this subject"));
 
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            }
 
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            specialhomediv.appendChild(ul);
 
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            /* Remove it from listing */
 
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            if (subject.subj_short_name in listing)
 
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                delete listing[subject.subj_short_name];
 
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        }
 
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        /* FIXME: Old Subjects? */
 
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        /* STUFF Section -- For the stuff directory */
 
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        /* Create the header */
 
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        h2 = dom_make_text_elem("h2", "Stuff");
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        specialhomediv.appendChild(h2);
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    }
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    /* Create the contents */
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    for (var i=0; i<subjects.length; i++)
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    {
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        var subject = subjects[i];
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        var subjpath = subject.subj_short_name;
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        // Header, with link to offering home page.
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        h3 = $('<h3><span class="subjname"></span><span style="font-weight: normal"><span class="semester"></span> &ndash; <a class="subjectaction">Subject home</a></span></h3>');
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        h3.find('.subjname').text(subject.subj_name);
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        /* Non-current offerings need to show the semester, to avoid confusion
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         * about which offering we are talking about */
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        if (subject.state != "current")
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        {
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            h3.find('.semester').text(" (" + subject.year + " " + subject.semester_display + ")");
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        }
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        h3.find('a').attr('href', subject.url);
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        $(specialhomediv).append(h3);
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        /* Print the file listing */
 
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        /* Create the contents */
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        ul = document.createElement("ul");
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        // Stuff
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        ul.appendChild(make_subject_item(subjpath,
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            path_join("users", username, subjpath), PERSONALDIR,
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            "Your own files in this subject"));
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        // Groups
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        var groups = subject.groups;
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        for (var j=0; j<subject.groups.length; j++)
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        {
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            var group = subject.groups[j];
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            ul.appendChild(make_subject_item(subjpath,
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                path_join("groups", subject.subj_short_name + "_" +
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                          subject.year + "_" + subject.semester_url + "_" +
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                          group.name),
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                group.name,
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                "This group's files in this subject"));
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        }
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        ul.appendChild(make_subject_item("",
 
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              path_join("users", username, "stuff"), "stuff",
 
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              "Your own files not related to a subject"));
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        specialhomediv.appendChild(ul);
 
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        /* Remove stuff from the listing */
 
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        if ("stuff" in listing)
 
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            delete listing["stuff"];
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        /* Remove it from listing */
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        if (subject.subj_short_name in listing)
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            delete listing[subject.subj_short_name];
 
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        /* JUNK Section -- All the rest */
 
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        /* Create the header row */
 
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        if (obj_length(listing) > 0)
 
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        {
 
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            h2 = dom_make_text_elem("h2", "Junk");
 
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            specialhomediv.appendChild(h2);
 
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            handle_dir_listing(path, listing);
 
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        }
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    }
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    /* FIXME: Old Subjects? */
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    /* STUFF Section -- For the stuff directory */
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    /* Create the header */
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    h2 = dom_make_text_elem("h2", "Stuff");
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    specialhomediv.appendChild(h2);
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    /* Create the contents */
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    ul = document.createElement("ul");
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    ul.appendChild(make_subject_item("",
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          path_join("users", username, "stuff"), "stuff",
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          "Your own files not related to a subject"));
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    specialhomediv.appendChild(ul);
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    /* Remove stuff from the listing */
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    if ("stuff" in listing)
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        delete listing["stuff"];
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    /* JUNK Section -- All the rest */
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    /* Create the header row */
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    if (obj_length(listing) > 0)
 
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    else
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    {
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        h2 = dom_make_text_elem("h2", "Junk");
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        specialhomediv.appendChild(h2);
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        handle_dir_listing(path, listing);
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    }
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}
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                li.appendChild(span);
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                var button = document.createElement("input");
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                $(button).click(function(event)
 
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                button.addEventListener("click", function(event)
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                {
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                    action_rename(path_join(path, name));
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                });
 
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                },
 
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                false);
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                button.setAttribute("type", "button");
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                button.setAttribute("value", "Rename");
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                span.appendChild(button);
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            }
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        }
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        else if (response.status == 404)
 
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        else
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        {
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            // Missing: Try to check out or create the repository
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            li.appendChild(dom_make_text_elem("span", name, description));
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            li.appendChild(span);
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            var button = document.createElement("input");
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            $(button).click(function(event)
 
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            button.addEventListener("click", function(event)
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            {
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                li.setAttribute("class", "listing-loading");
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                if (create_if_needed(repopath))
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                {
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                    // Try a checkout
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                    do_act("svncheckout", {"path": [repopath, localpath]});
 
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                    do_action("svncheckout", current_path, {"path":
 
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                        [repopath, localpath]});
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                }
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                else
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                {
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                    li.setAttribute("class", "listing-dir");
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                }
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            });
 
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            },
 
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            false);
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            button.setAttribute("type", "button");
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            button.setAttribute("value", "Checkout");
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            span.appendChild(button);
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        }
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        else
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        {
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            // Error: The directory listing could not be retrieved
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            // Make a link in case the user wants to investigate
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            li.appendChild(dom_make_link_elem("span", name, description,
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                app_path(this_app, username, path, name)));
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            span = dom_make_text_elem("span",
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                  " (error \u2013 contact system administrator)",
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                  "There was an error retrieving information about this "
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                  + "directory.");
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            span.setAttribute("class", "status");
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            li.appendChild(span);
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        }
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    }
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    /* Are we working in a subdirectory or parent? */
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 */
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function obj_length(obj)
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{
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    len = 0;
 
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    length = 0;
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    for (prop in obj)
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        len++;
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    return len;
 
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        length++;
 
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    return length;
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}