GUI -- TopoView - added skeleton topoFilter.js (WIP)
- fixed broken unit tests.

Change-Id: Ibeb85d2724d460b7e681ea2b247e5429ba3d5d7e
diff --git a/web/gui/src/main/webapp/app/view/topo/topoFilter.js b/web/gui/src/main/webapp/app/view/topo/topoFilter.js
new file mode 100644
index 0000000..eba31ae
--- /dev/null
+++ b/web/gui/src/main/webapp/app/view/topo/topoFilter.js
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ ONOS GUI -- Topology layer filtering Module.
+ Provides functionality to visually differentiate between the packet and
+ optical layers of the topology.
+ */
+
+(function () {
+    'use strict';
+
+    // injected refs
+    var $log, fs, flash, tps, tts;
+
+    // api to topoForce
+    var api;
+    /*
+     node()                         // get ref to D3 selection of nodes
+     */
+
+    // internal state
+
+
+    // === -----------------------------------------------------
+    // === MODULE DEFINITION ===
+
+    angular.module('ovTopo')
+        .factory('TopoFilterService',
+        ['$log', 'FnService',
+            'FlashService',
+            'TopoPanelService',
+            'TopoTrafficService',
+
+            function (_$log_, _fs_, _flash_, _tps_, _tts_) {
+                $log = _$log_;
+                fs = _fs_;
+                flash = _flash_;
+                tps = _tps_;
+                tts = _tts_;
+
+                function initFilter(_api_) {
+                    api = _api_;
+                }
+
+                function destroyFilter() { }
+
+                return {
+                    initFilter: initFilter,
+                    destroyFilter: destroyFilter
+                };
+            }]);
+}());