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/* IVLE
* Copyright (C) 2007-2008 The University of Melbourne
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Module: SpecialHome (File Browser, client)
* Author: David Coles
* Date: 23/7/2008
*/
/* This module implements the functionality to lay out a special home directory
* view on top of the normal listing
*/
/* The name of the personal file directory */
PERSONALDIR="mywork"
/* LAYOUT FUNCTIONS */
/** Present home directory
*/
function home_listing(listing, subjects, path)
{
/* Nav through the top-level of the JSON to the actual listing object. */
var listing = listing.listing;
var filetablediv = document.getElementById("filetablediv");
var specialhomediv;
var h2;
var h3;
var ul;
var li;
var div;
/* Only show special headings if we get subject listings */
if (subjects != null)
{
/* Wrap all this "special" stuff in a div, for styling purposes */
specialhomediv = document.createElement("div");
specialhomediv.setAttribute("id", "specialhome");
filetablediv.appendChild(specialhomediv);
/* SUBJECTS Section
/* Create the header row */
if (subjects.length > 0)
{
h2 = dom_make_text_elem("h2", "Subjects");
specialhomediv.appendChild(h2);
}
/* Create the contents */
for (var i=0; i<subjects.length; i++)
{
var subject = subjects[i];
var subjpath = subject.subj_short_name;
// Header
h3 = dom_make_text_elem("h3", subject.subj_name);
specialhomediv.appendChild(h3);
/* Print the file listing */
ul = document.createElement("ul");
// Stuff
ul.appendChild(make_subject_item(subjpath,
path_join("users", username, subjpath), PERSONALDIR,
"Your own files in this subject"));
// Groups
var groups = subject.groups;
for (var j=0; j<subject.groups.length; j++)
{
var group = subject.groups[j];
ul.appendChild(make_subject_item(subjpath,
path_join("groups", subject.subj_short_name + "_" +
subject.year + "_" + subject.semester + "_" +
group.name),
group.name,
"This group's files in this subject"));
}
specialhomediv.appendChild(ul);
/* Remove it from listing */
if (subject.subj_short_name in listing)
delete listing[subject.subj_short_name];
}
/* FIXME: Old Subjects? */
/* STUFF Section -- For the stuff directory */
/* Create the header */
h2 = dom_make_text_elem("h2", "Stuff");
specialhomediv.appendChild(h2);
/* Create the contents */
ul = document.createElement("ul");
ul.appendChild(make_subject_item("",
path_join("users", username, "stuff"), "stuff",
"Your own files not related to a subject"));
specialhomediv.appendChild(ul);
/* Remove stuff from the listing */
if ("stuff" in listing)
delete listing["stuff"];
/* JUNK Section -- All the rest */
/* Create the header row */
if (obj_length(listing) > 0)
{
h2 = dom_make_text_elem("h2", "Junk");
specialhomediv.appendChild(h2);
handle_dir_listing(path, listing);
}
}
else
{
handle_dir_listing(path, listing);
}
}
/* Does an series of AJAX requests to find out the properties of this folder
* and then updates the folder view
*/
function make_subject_item(path, repopath, name, description)
{
// Create the temporary item
var li = document.createElement("li");
var span;
li.setAttribute("class", "listing-loading");
li.appendChild(dom_make_text_elem("span", name, description));
span = dom_make_text_elem("loading...");
span.setAttribute("class","status");
li.appendChild(span);
// Set the callback function to update when we get the real details
var callback = function(response)
{
var sublisting = decode_response(response);
dom_removechildren(li);
li.setAttribute("class", "listing-dir");
// If we could find the file status...
if (sublisting != null)
{
var thisdir = sublisting.listing['.'];
var versioned = ("svnstatus" in thisdir) && (thisdir.svnstatus != "unversioned");
if (versioned)
{
// Default: Just offer a link to the directory
li.appendChild(dom_make_link_elem("span", name, description,
app_path(this_app, username, path, name)));
}
else
{
// Blocked: Offer to rename the directory
li.appendChild(dom_make_text_elem("span", name, description));
span = dom_make_text_elem("span", " (blocked) ",
"Another file or directory is in the way of this directory.");
span.setAttribute("class", "status");
li.appendChild(span);
var button = document.createElement("input");
$(button).click(function(event)
{
action_rename(path_join(path, name));
});
button.setAttribute("type", "button");
button.setAttribute("value", "Rename");
span.appendChild(button);
}
}
else
{
// Missing: Try to check out or create the repository
li.appendChild(dom_make_text_elem("span", name, description));
span = dom_make_text_elem("span", " (missing) ",
"This directory does not yet exist.");
span.setAttribute("class", "status");
li.appendChild(span);
var button = document.createElement("input");
$(button).click(function(event)
{
li.setAttribute("class", "listing-loading");
var localpath = path_join(path, name);
if (create_if_needed(repopath))
{
// Try a checkout
do_act("svncheckout", {"path": [repopath, localpath]});
}
else
{
li.setAttribute("class", "listing-dir");
}
});
button.setAttribute("type", "button");
button.setAttribute("value", "Checkout");
span.appendChild(button);
}
}
/* Are we working in a subdirectory or parent? */
ajax_call(callback, service_app, path_join(username, path, name), {}, "GET");
return li;
}
function create_if_needed(path)
{
response = ajax_call(null, service_app, current_path,
{
"action": "svnrepostat",
"path": path
}, "POST");
if (response.status == 200)
{
return true;
}
else if (response.status == 404)
{
// Try a mkdir
r2 = ajax_call(null, service_app, current_path,
{
"action": "svnrepomkdir",
"path": path,
"logmsg": "Automated creation of '" + path + "' work directory"
}, "POST");
if (r2.status == 200)
{
return true;
}
}
alert("Error: Could not create Subversion directory");
return false;
}
/** Finds the length (number of user defined properties) of an object
*/
function obj_length(obj)
{
len = 0;
for (prop in obj)
len++;
return len;
}
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