dashboard: add remove_trait js script, add data-pk to template

circle/dashboard/static/dashboard/node-list.js

@@ -196,6 +196,31 @@ $(function() {
   }
 
 
+  // remove trait
+  $('.node-details-remove-trait').click(function() {
+    var to_remove =  $(this).data("trait-pk");
+    var clicked = $(this);
+    $.ajax({
+      type: 'POST',
+      url: location.href,
+      headers: {"X-CSRFToken": getCookie('csrftoken')}, 
+      data: {'to_remove': to_remove},
+      success: function(re) {
+        if(re['message'].toLowerCase() == "success") {
+          $(clicked).closest(".label").fadeOut(500, function() {
+            $(this).remove();
+          });
+        }
+      },
+      error: function() {
+        addMessage(re['message'], 'danger');
+      }
+
+    });
+    return false;
+  });
+
+
 // refresh the given contents, parameter is the array of contents, in pair
   function contentrefresh(elements,callbacks){
   for (var i = 0; i < elements.length; i+=2) {

circle/dashboard/templates/dashboard/node-detail-home.html

@@ -14,7 +14,7 @@
           {% for t in node.traits.all %}
             <div class="label label-success label-tag" style="display: inline-block">
               {{ t }}
-              <a href="#" class="node-details-remove-trait"><i class="icon-remove"></i></a>
+	      <a data-trait-pk="{{ t.pk }}" href="#" class="node-details-remove-trait"><i class="icon-remove"></i></a>
             </div>
           {% endfor %}
         {% else %}

circle/dashboard/views.py

@@ -531,8 +531,7 @@ class NodeDetailView(LoginRequiredMixin, SuperuserRequiredMixin, DetailView):
         try:
             to_remove = request.POST.get('to_remove')
             self.object = self.get_object()
-
-            self.object.tags.remove(to_remove)
+            self.object.traits.remove(to_remove)
             message = u"Success"
         except:  # note this won't really happen
             message = u"Not success"