network: host edit fixes

circle/network/static/js/network.js

@@ -8,8 +8,13 @@ $('i[class="icon-remove"]').click(function() {
     host = $('.page-header').children('h2').text()
     group = $(this).closest('h4').text();
 
-    text = gettext('Are you sure you want to remove host group <strong>"%(group)s"</strong> from <strong>"%(host)s"</strong>?');
-    s = interpolate(text, {'group': group, 'host': host}, true);
+    if(group.length > 0) {
+        text = gettext('Are you sure you want to remove host group <strong>"%(group)s"</strong> from <strong>"%(host)s"</strong>?');
+        s = interpolate(text, {'group': group, 'host': host}, true);
+    } else {
+        s = gettext('Are you sure you want to delete this rule?');
+    }
+
     bootbox.dialog({
         message: s,
         buttons: {

circle/network/templates/network/host-edit.html

@@ -28,7 +28,8 @@
         <div class="page-header">
             <h3>{% trans "Groups" %}</h3>
         </div>
-        {% for group in group_rule_list %}
+        {% if group_rule_list|length > 0 %}
+            {% for group in group_rule_list %}
             <div>
                 <h4 id="{{ group.pk }}_group_pk">{{ group.name }} 
                     <a href="{% url "network.remove_host_group" pk=host_pk group_pk=group.pk %}?from={{ request.path }}">
@@ -38,7 +39,10 @@
                 </h4>
                 {% render_table group.table %}
             </div>
-        {% endfor %}
+            {% endfor %}
+        {% else %}
+            {% trans "This host is not added to any host groups!" %}
+        {% endif %}
 
     <div class="page-header">
         <h3>Add host group</h3>