webui: implement vm-rename feature (ajax)

cloud/urls.py

@@ -80,6 +80,9 @@ urlpatterns = patterns('',
     url(r'^ajax/vm/status/(?P<iid>\d+)$',
             'one.views.vm_ajax_instance_status',
             name='vm_ajax_instance_status'),
+    url(r'^ajax/vm/rename/(?P<iid>\d+)/$',
+            'one.views.vm_ajax_rename',
+            name='vm_ajax_rename'),
     url(r'^language/(?P<lang>[-A-Za-z]+)/$', 'school.views.language',
             name='language'),
     url(r'^jsi18n/$', 'django.views.i18n.javascript_catalog', js_info_dict),

one/static/script/cloud.js

@@ -56,7 +56,17 @@ $(function() {
         $('#vm-' + id + '-name').find('input[type=submit]').click(function(f) {
             f.preventDefault();
             f.stopPropagation();
-            alert($(this).prev().val());
+            var newName = $(this).prev().val();
+            $.ajax({
+                type: 'POST',
+                data: 'name=' + newName,
+                dataType: 'json',
+                url: '/ajax/vm/rename/' + id + '/',
+                success: function(data) {
+                    $('#vm-' + id + '-name-details').show();
+                    $('#vm-' + id + '-name').html(data.name);
+                }
+            });
         })
     });
     $('.try-template-button').click(function(e) {

one/views.py

@@ -295,6 +295,13 @@ def vm_ajax_instance_status(request, iid):
     inst.update_state()
     return HttpResponse(json.dumps({'booting': not inst.active_since, 'state': inst.state}))
 
+@login_required
+def vm_ajax_rename(request, iid):
+    inst = get_object_or_404(Instance, id=iid, owner=request.user)
+    inst.name = request.POST['name']
+    inst.save()
+    return HttpResponse(json.dumps({'name': inst.name}))
+
 def boot_token(request, token):
     try:
         id = signing.loads(token, salt='activate')