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/* IVLE - Informatics Virtual Learning Environment
* 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: Settings (Client-side JavaScript)
* Author: Matt Giuca
* Date: 25/2/2008
*/
var user_data;
/* Fetch the user's details from the server, and populate the page.
* Returns false. */
function revert_settings()
{
var callback = function(xhr)
{
user = JSON.parse(xhr.responseText);
populate(user);
}
/* Just get details for the logged in user */
ajax_call(callback, "userservice", "get_user", {"login": settings_login}, "GET");
return false;
}
/* Populate the page with the given user's account details */
function populate(user)
{
user_data = user;
/* Plain text elements (non-editable) */
var login = document.getElementById("login");
var admin = document.getElementById("admin");
var changepassword = document.getElementById("changepassword");
var notices = document.getElementById("notices");
/* Textbox (input) elements */
var nick = document.getElementById("nick");
var email = document.getElementById("email");
var text;
var p;
var b;
var table;
var tbody;
var tr;
var td;
var inputbox;
/* Clear things */
dom_removechildren(login);
dom_removechildren(admin);
dom_removechildren(changepassword);
dom_removechildren(notices);
/* Construct the page */
/* "login" : Full Name (<b>login</b> / studentid) */
text = user.fullname + " (";
login.appendChild(document.createTextNode(text));
text = user.login
b = document.createElement("b");
b.appendChild(document.createTextNode(text));
login.appendChild(b);
if (user.studentid != null)
text = " / " + user.studentid + ")"
else
text = ")"
login.appendChild(document.createTextNode(text));
/* "admin" : <p>Privilege: <strong>administrator</strong></p>
*/
if (user.admin)
{
text = "Privilege: ";
admin.appendChild(document.createTextNode(text));
strong = document.createElement("strong");
strong.appendChild(document.createTextNode("IVLE administrator"));
admin.appendChild(strong);
}
/* "nick" and "email" boxes */
nick.value = user.nick;
email.value = user.email;
/* Password change box */
/* (Only if this user has a local password) */
if (user.local_password)
{
p = document.createElement("h3");
p.appendChild(document.createTextNode("Change password"))
changepassword.appendChild(p);
p = document.createElement("p");
p.appendChild(document.createTextNode("Please type your old password, "
+ "and new password twice, for verification."));
changepassword.appendChild(p);
table = document.createElement("table");
tbody = document.createElement("tbody");
tr = document.createElement("tr");
td = document.createElement("td");
td.appendChild(document.createTextNode("Old password:"))
tr.appendChild(td);
td = document.createElement("td");
inputbox = document.createElement("input");
inputbox.setAttribute("type", "password");
inputbox.setAttribute("name", "oldpass");
inputbox.setAttribute("id", "oldpass");
inputbox.setAttribute("size", "40");
td.appendChild(inputbox)
tr.appendChild(td);
tbody.appendChild(tr);
tr = document.createElement("tr");
td = document.createElement("td");
td.appendChild(document.createTextNode("New password:"))
tr.appendChild(td);
td = document.createElement("td");
inputbox = document.createElement("input");
inputbox.setAttribute("type", "password");
inputbox.setAttribute("name", "newpass");
inputbox.setAttribute("id", "newpass");
inputbox.setAttribute("size", "40");
td.appendChild(inputbox)
tr.appendChild(td);
tbody.appendChild(tr);
tr = document.createElement("tr");
td = document.createElement("td");
td.appendChild(document.createTextNode("Retype password:"))
tr.appendChild(td);
td = document.createElement("td");
inputbox = document.createElement("input");
inputbox.setAttribute("type", "password");
inputbox.setAttribute("name", "repeatpass");
inputbox.setAttribute("id", "repeatpass");
inputbox.setAttribute("size", "40");
td.appendChild(inputbox)
tr.appendChild(td);
tbody.appendChild(tr);
table.appendChild(tbody);
changepassword.appendChild(table);
}
if (user.pass_exp != null || user.acct_exp != null)
{
p = document.createElement("h3");
text = "Notices";
p.appendChild(document.createTextNode(text));
notices.appendChild(p);
if (user.pass_exp != null)
{
p = document.createElement("p");
/* TODO: Nice passexp */
var pass_exp = user.pass_exp.toString()
text = "Your password will expire on " + pass_exp
+ ". You should change it before then to avoid having your "
+ "account disabled.";
p.appendChild(document.createTextNode(text));
notices.appendChild(p);
}
if (user.acct_exp != null)
{
p = document.createElement("p");
/* TODO: Nice acct_exp */
var acct_exp = user.acct_exp.toString()
text = "Your IVLE account will expire on " + acct_exp + ".";
p.appendChild(document.createTextNode(text));
notices.appendChild(p);
}
}
}
/* Sets the "result" text.
* iserror (bool) determines the styling.
*/
function set_result(text, iserror)
{
var p = document.getElementById("result");
dom_removechildren(p);
p.appendChild(document.createTextNode(text));
if (iserror)
p.setAttribute("class", "error");
else
p.removeAttribute("class");
}
/* Writes the settings to the server.
* Returns false. */
function save_settings()
{
/* Button (input) elements */
var save = document.getElementById("save");
/* Textbox (input) elements */
try
{
var oldpass = document.getElementById("oldpass");
var newpass = document.getElementById("newpass");
var repeatpass = document.getElementById("repeatpass");
}
catch (e)
{
var newpass = null;
var repeatpass = null;
}
var nick = document.getElementById("nick");
var email = document.getElementById("email");
/* Check */
oldpassval = oldpass == null ? null : oldpass.value;
newpassval = newpass == null ? null : newpass.value;
repeatpassval = repeatpass == null ? null : repeatpass.value;
nickval = nick.value;
emailval = email.value;
/* Clear the password boxes, even if there are errors later */
try
{
newpass.value = "";
repeatpass.value = "";
}
catch (e)
{
}
if (nickval == "")
{
set_result("Display name is empty.", true);
return false;
}
if (newpassval != repeatpassval)
{
set_result("Passwords do not match.", true);
return false;
}
/* Disable the heavy-duty supercolliding super button */
save.setAttribute("disabled", "disabled");
save.setAttribute("value", "Saving...");
var callback = function(xhr)
{
save.removeAttribute("disabled");
save.setAttribute("value", "Save");
if (xhr.status == 200)
{
set_result("Successfully updated details.");
user_data.nick = nickval;
user_data.email = emailval;
/* Now a little hack - update the user's nick display
* in the heading bar, so they are sure it has been changed.
*/
var usernick = document.getElementById("usernick");
dom_removechildren(usernick);
usernick.appendChild(document.createTextNode(nickval));
}
else if (xhr.getResponseHeader("X-IVLE-Action-Error"))
{
set_result(decodeURIComponent(xhr.getResponseHeader(
"X-IVLE-Action-Error").toString()), true);
}
else
{
set_result("There was a problem updating the details."
+ " Your changes have not been saved.", true);
}
}
data = {
"login": user_data.login,
"nick": nickval,
"email": emailval,
"oldpass": oldpassval,
}
if (newpassval != null && newpassval != "")
data['password'] = newpassval;
ajax_call(callback, "userservice", "update_user", data, "POST");
return false;
}
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