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Viewing changes to www/media/browser/specialhome.js

  • Committer: chadnickbok
  • Date: 2009-01-22 02:14:14 UTC
  • Revision ID: svn-v3-trunk0:2b9c9e99-6f39-0410-b283-7f802c844ae2:trunk:1173
Fixes Issue #14

When uploading files, students will now be shown an
error message if there upload would replace already existing
files.

This upload will not be performed until it will not clobber
any old files.

Note that there is currently a way to change this behaviour in
the code in action.py, to allow files to be overwritten. However
there is no way this flag can be set through the browser interface
(yet).

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added added

removed removed

Lines of Context:
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++)
64
 
    {
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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
71
 
         * about which offering we are talking about */
72
 
        if (subject.state != "current")
73
 
        {
74
 
            h3.find('.semester').text(" (" + subject.year + ", semester "
75
 
                                      + subject.semester + ")");
76
 
        }
77
 
        h3.find('a').attr('href', subject.url);
78
 
        $(specialhomediv).append(h3);
79
 
    
80
 
        /* Print the file listing */
 
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        /* Create the contents */
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        ul = document.createElement("ul");
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        // Stuff
83
 
        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++)
90
 
        {
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            var group = subject.groups[j];
92
 
            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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        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 */
124
 
    /* Create the header row */
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    if (obj_length(listing) > 0)
 
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    else
126
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    {
127
 
        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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        }
214
 
        else
215
 
        {
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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");
225
 
            li.appendChild(span);
226
 
        }
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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)
269
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{
270
 
    len = 0;
 
258
    length = 0;
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    for (prop in obj)
272
 
        len++;
273
 
    return len;
 
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        length++;
 
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    return length;
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}