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/* IVLE - Informatics Virtual Learning Environment
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* Copyright (C) 2007-2008 The University of Melbourne
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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* Module: Group management system (client)
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serviceapp = 'userservice';
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function create(offeringid)
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/* TODO: Write this function */
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/* Displays the selected group in the group adminsitration area
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function manage_subject()
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/* Get the subject id from the select box */
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var subject_select = document.getElementById("subject_select");
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var subject_div = document.getElementById("subject_div");
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var subjectid = parseInt(subject_select.value);
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/* List active offerings */
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dom_removechildren(subject_div);
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var p = dom_make_text_elem("h2", "Active Offerings");
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subject_div.appendChild(p);
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var callback = function(xhr)
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var offerings = JSON.parse(xhr.responseText);
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for (var i=0; i<offerings.length; i++)
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var offering = offerings[i];
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var text = offering.subj_name + ", Semester " + offering.semester + " " + offering.year;
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var h3 = dom_make_text_elem("h3", text);
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subject_div.appendChild(h3);
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var div = document.createElement("div");
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subject_div.appendChild(div);
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manage_subject_offering(offering['offeringid'], div);
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ajax_call(callback, serviceapp, 'get_active_offerings', {'subjectid': subjectid}, 'GET');
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/* Manages the display of a single offerings groups
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* Takes a offeringid and element to attach the results to
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function manage_subject_offering(offeringid, elem)
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var callback = function(xhr)
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var projectsets = JSON.parse(xhr.responseText);
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var dl = document.createElement("dl");
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/* Add details for each project set */
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for (var i=0; i<projectsets.length; i++)
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var projectset = projectsets[i];
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var groups = projectset.groups;
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var dt = dom_make_text_elem("dt", "Project Set "+(i+1)+" ");
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var dd = document.createElement("dd");
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var ul = document.createElement("ul");
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/* Add each group in the project set */
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for (var j=0; j<groups.length; j++)
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var group = groups[j];
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var namespace = "project_group_" + group.groupid;
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var li = dom_make_text_elem("li", group['groupnm']+" ");
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var button = document.createElement("a");
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button.id = namespace+"_button";
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button.setAttribute("class", "choice");
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button.textContent = '(manage)';
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button.setAttribute("onclick",
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"manage_group("+offeringid+","+group.groupid+",'"+namespace+"')");
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li.appendChild(button);
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var li = dom_make_text_elem("li", "");
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var input = document.createElement("input");
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input.type = 'button';
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input.setAttribute("onclick", "create_new_group("+projectset['projectsetid']+")");
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li.appendChild(input);
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ajax_call(callback, serviceapp, 'get_project_groups', {'offeringid': offeringid}, 'GET');
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/* Creates a group */
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function create_new_group(projectsetid)
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groupnm = window.prompt('Please enter a name for the group');
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args = {'projectsetid': projectsetid, 'groupnm':groupnm, 'nick': groupnm};
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response = ajax_call(null, serviceapp, 'create_group', args, 'POST');
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if (response.status == 200)
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alert("Error: Could not add group. Does it already exist?");
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/* Reload the display */
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function manage_group(offeringid, groupid, namespace)
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var elem = document.getElementById(namespace);
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var button = document.getElementById(namespace+"_button");
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var manage_div = document.createElement("div")
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manage_div.id = namespace + "_contents";
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elem.insertBefore(manage_div, button);
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/* Refresh contents */
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list_projectgroup_contents(offeringid, groupid, manage_div.id);
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/* Remove the button element */
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elem.removeChild(button);
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/* Lists the information about a particular project group identified by groupid
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* in an offering identified by offeringid in the element with id elemnm. May
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* be called multiple times safely to refresh the displayed information.
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function list_projectgroup_contents(offeringid, groupid, elemnm)
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var contents = document.getElementById(elemnm);
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dom_removechildren(contents);
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var callback = function(xhr)
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var members = JSON.parse(xhr.responseText);
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var available = members.available;
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var groupmembers = members.groupmembers;
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/* Existing members */
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var ul = document.createElement("ul");
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for (var i=0; i<groupmembers.length; i++)
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var li = dom_make_text_elem("li", groupmembers[i].fullname + " (" +
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groupmembers[i].login + ")");
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var add_li = document.createElement("li");
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var select = document.createElement("select");
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for (var i=0; i<available.length; i++)
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var option = dom_make_text_elem("option", available[i].login);
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option.value = available[i].login;
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select.appendChild(option);
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var button = document.createElement("input");
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button.value = "Add";
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button.type = 'button';
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button.addEventListener("click", function()
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args = {'login': select.value, 'groupid': groupid};
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ajax_call(null, serviceapp, 'assign_group', args, 'POST');
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list_projectgroup_contents(offeringid, groupid, elemnm);
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add_li.appendChild(select);
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add_li.appendChild(button);
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ul.appendChild(add_li);
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contents.appendChild(ul);
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var args = {'offeringid': offeringid, 'groupid': groupid};
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ajax_call(callback, serviceapp, 'get_group_membership', args, 'GET');
added
removed
www/media/groups/groups.js
