Topo2: Adding peer region node to the topology

Change-Id: I846d2f1ca27faa4602c772aba006f5be55da6106
diff --git a/web/gui/src/main/webapp/app/view/topo2/topo2PeerRegion.js b/web/gui/src/main/webapp/app/view/topo2/topo2PeerRegion.js
new file mode 100644
index 0000000..2ae8e64
--- /dev/null
+++ b/web/gui/src/main/webapp/app/view/topo2/topo2PeerRegion.js
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2017-present 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 PeerRegion Module.
+ Module that creates a peer region node for the topology
+ */
+
+(function () {
+    'use strict';
+
+    var Collection, Model;
+
+    var remappedDeviceTypes = {
+        virtual: 'cord'
+    };
+
+    function createCollection(data, region) {
+
+        var PeerRegionCollection = Collection.extend({
+            model: Model,
+            region: region
+        });
+
+        return new PeerRegionCollection(data);
+    }
+
+    angular.module('ovTopo2')
+        .factory('Topo2PeerRegionService', [
+            'WebSocketService', 'Topo2Collection', 'Topo2NodeModel',
+            'Topo2SubRegionPanelService',
+
+            function (wss, _c_, NodeModel, t2srp) {
+
+                Collection = _c_;
+
+                Model = NodeModel.extend({
+                    initialize: function () {
+                        this.super = this.constructor.__super__;
+                        this.super.initialize.apply(this, arguments);
+                    },
+                    events: {
+                        'dblclick': 'navigateToRegion',
+                        'click': 'onClick'
+                    },
+                    onChange: function () {
+                        // Update class names when the model changes
+                        if (this.el) {
+                            this.el.attr('class', this.svgClassName());
+                        }
+                    },
+                    nodeType: 'peer-region',
+                    icon: function () {
+                        var type = this.get('type');
+                        return remappedDeviceTypes[type] || type || 'm_cloud';
+                    },
+                    onClick: function () {
+                        var selected = this.select(d3.event);
+
+                        if (selected.length > 0) {
+                            t2srp.displayPanel(this);
+                        } else {
+                            t2srp.hide();
+                        }
+                    },
+                    navigateToRegion: function () {
+
+                        if (d3.event.defaultPrevented) return;
+
+                        wss.sendEvent('topo2navRegion', {
+                            dir: 'down',
+                            rid: this.get('id')
+                        });
+
+                        var layout = this.collection.region.layout;
+                        layout.createForceElements();
+                        layout.transitionDownRegion();
+
+                        t2srp.hide();
+                    }
+                });
+
+                return {
+                    createCollection: createCollection
+                };
+            }
+        ]);
+
+})();