23
23
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 input = document.createElement("input");
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input.value = "New Group";
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input.type = 'button';
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input.setAttribute("onclick", "create_new_group("+projectset['projectsetid']+")");
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dt.appendChild(input);
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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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ajax_call(callback, serviceapp, 'get_project_groups', {'offeringid': offeringid}, 'GET');
108
25
/* Creates a group */
109
26
function create_new_group(projectsetid)
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groupnm = window.prompt('Please enter a name for the group');
112
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 exits?");
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/* Reload the display */
28
groupnm = window.prompt('Please enter a name for the group','');
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/* If the provided name is empty, or the prompt is cancelled, stop. */
34
'projectsetid': projectsetid,
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response = ajax_call(null, serviceapp, 'create_group', args, 'POST');
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if (response.status == 200)
43
else if (response.status == 400)
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alert("Could not create group: " + response.getResponseHeader('X-IVLE-Error'));
49
alert("Error: Could not add group. Does it already exist?");
51
/* Reload the display */
52
window.location.href = window.location.href;
126
56
function manage_group(offeringid, groupid, namespace)
128
var elem = document.getElementById(namespace);
129
58
var button = document.getElementById(namespace+"_button");
130
59
var manage_div = document.createElement("div")
131
elem.insertBefore(manage_div, button);
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manage_div.id = namespace + "_contents";
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/* Get the td which is button's parent (the 'actions' column) */
63
button_td = button.parentNode;
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button_td.appendChild(manage_div);
66
/* Refresh contents */
67
list_projectgroup_contents(offeringid, groupid, manage_div.id);
69
/* Remove the button element */
70
button_td.removeChild(button);
73
/* Lists the information about a particular project group identified by groupid
74
* in an offering identified by offeringid in the element with id elemnm. May
75
* be called multiple times safely to refresh the displayed information.
77
function list_projectgroup_contents(offeringid, groupid, elemnm)
79
var contents = document.getElementById(elemnm);
80
dom_removechildren(contents);
133
81
var callback = function(xhr)
135
83
var members = JSON.parse(xhr.responseText);
136
84
var available = members.available;
137
85
var groupmembers = members.groupmembers;
87
/* Existing members */
88
var ul = document.createElement("ul");
89
for (var i=0; i<groupmembers.length; i++)
91
var member = groupmembers[i];
93
var li = dom_make_text_elem("li", member.fullname + " (" +
95
var rmbutton = document.createElement("input");
96
rmbutton.value = "Remove";
97
rmbutton.type = "image";
98
/* XXX: There must be a better way to do this! */
99
rmbutton.src = "/+media/ivle.webapp.core/images/interface/delete.png";
101
$(rmbutton).click(function(offeringid, login, groupid, elemnm)
104
if (!confirm("Are you sure want to revoke this user's membership?"))
106
this.disabled = true;
107
var args = {'login': login, 'groupid': groupid};
108
ajax_call(null, serviceapp, 'unassign_group', args, 'POST');
109
list_projectgroup_contents(offeringid, groupid, elemnm);
111
}(offeringid, member.login, groupid, elemnm));
113
li.appendChild(rmbutton);
139
117
/* Add member box */
118
var add_li = document.createElement("li");
140
119
var select = document.createElement("select");
141
120
for (var i=0; i<available.length; i++)
145
124
select.appendChild(option);
147
126
var button = document.createElement("input");
148
button.value = "Add new group member";
127
button.value = "Add";
149
128
button.type = 'button';
150
button.addEventListener("click", function()
129
$(button).click(function()
131
this.disabled = true;
152
132
args = {'login': select.value, 'groupid': groupid};
153
133
ajax_call(null, serviceapp, 'assign_group', args, 'POST');
155
manage_div.appendChild(select);
156
manage_div.appendChild(button);
158
/* Existing members */
159
manage_div.appendChild(dom_make_text_elem("p", "Group Members:"));
160
var ul = document.createElement("ul");
161
for (var i=0; i<groupmembers.length; i++)
163
var li = dom_make_text_elem("li", groupmembers[i].login);
166
manage_div.appendChild(ul);
134
list_projectgroup_contents(offeringid, groupid, elemnm);
136
add_li.appendChild(select);
137
add_li.appendChild(button);
138
ul.appendChild(add_li);
139
contents.appendChild(ul);
168
141
var args = {'offeringid': offeringid, 'groupid': groupid};
169
142
ajax_call(callback, serviceapp, 'get_group_membership', args, 'GET');
170
/* Remove the button element */
171
elem.removeChild(button);