| /* |
| * 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 Overlay Module. |
| |
| Provides overlay capabilities, allowing ONOS apps to provide additional |
| custom data/behavior for the topology view. |
| |
| */ |
| |
| (function () { |
| 'use strict'; |
| |
| // constants |
| var tos = 'TopoOverlayService: '; |
| |
| // injected refs |
| var $log, fs, gs, wss; |
| |
| // internal state |
| var overlays = {}, |
| current = null; |
| |
| function error(fn, msg) { |
| $log.error(tos + fn + '(): ' + msg); |
| } |
| |
| function warn(fn, msg) { |
| $log.warn(tos + fn + '(): ' + msg); |
| } |
| |
| function handleGlyph(o) { |
| var gdata = fs.isO(o.glyph), |
| oid, |
| data = {}; |
| |
| if (!gdata) { |
| o._glyphId = 'unknown'; |
| } else { |
| if (gdata.id) { |
| o._glyphId = gdata.id; |
| } else if (gdata.vb && gdata.d) { |
| oid = o.overlayId; |
| data['_' + oid] = gdata.vb; |
| data[oid] = gdata.d; |
| gs.registerGlyphs(data); |
| o._glyphId = oid; |
| $log.debug('registered overlay glyph:', oid); |
| } else { |
| warn('registerGlyph', 'problem with glyph data'); |
| } |
| } |
| } |
| |
| function register(overlay) { |
| var r = 'register', |
| over = fs.isO(overlay), |
| id = over ? over.overlayId : ''; |
| |
| if (!id) { |
| return error(r, 'not a recognized overlay'); |
| } |
| if (overlays[id]) { |
| return warn(r, 'already registered: "' + id + '"'); |
| } |
| overlays[id] = overlay; |
| handleGlyph(overlay); |
| $log.debug(tos + 'registered overlay: ' + id, overlay); |
| } |
| |
| // NOTE: unregister needs to be called if an app is ever |
| // deactivated/uninstalled via the applications view |
| function unregister(overlay) { |
| var u = 'unregister', |
| over = fs.isO(overlay), |
| id = over ? over.overlayId : ''; |
| |
| if (!id) { |
| return error(u, 'not a recognized overlay'); |
| } |
| if (!overlays[id]) { |
| return warn(u, 'not registered: "' + id + "'") |
| } |
| delete overlays[id]; |
| $log.debug(tos + 'unregistered overlay: ' + id); |
| // TODO: rebuild the toolbar overlay radio button set |
| } |
| |
| function list() { |
| return d3.map(overlays).keys(); |
| } |
| |
| function overlay(id) { |
| return overlays[id]; |
| } |
| |
| // an overlay was selected via toolbar radio button press from user |
| function tbSelection(id) { |
| var same = current && current.overlayId === id, |
| payload = {}; |
| |
| function doop(op) { |
| var oid = current.overlayId; |
| $log.debug('Overlay:', op, oid); |
| current[op](); |
| payload[op] = oid; |
| } |
| |
| if (!same) { |
| current && doop('deactivate'); |
| current = overlay(id); |
| current && doop('activate'); |
| wss.sendEvent('topoSelectOverlay', payload); |
| |
| // TODO: refactor to emit "flush on overlay change" messages |
| wss.sendEvent('requestSummary'); |
| } |
| } |
| |
| angular.module('ovTopo') |
| .factory('TopoOverlayService', |
| ['$log', 'FnService', 'GlyphService', 'WebSocketService', |
| |
| function (_$log_, _fs_, _gs_, _wss_) { |
| $log = _$log_; |
| fs = _fs_; |
| gs = _gs_; |
| wss = _wss_; |
| |
| return { |
| register: register, |
| unregister: unregister, |
| list: list, |
| overlay: overlay, |
| tbSelection: tbSelection |
| } |
| }]); |
| |
| }()); |