| /* |
| * Copyright 2019-present Open Networking Foundation |
| * |
| * 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. |
| */ |
| import { |
| ChangeDetectionStrategy, |
| ChangeDetectorRef, |
| Component, |
| EventEmitter, |
| HostListener, |
| Input, |
| OnChanges, OnDestroy, |
| OnInit, |
| Output, |
| QueryList, |
| SimpleChange, |
| SimpleChanges, |
| ViewChildren |
| } from '@angular/core'; |
| import {LocMeta, LogService, MetaUi, WebSocketService, ZoomUtils} from 'gui2-fw-lib/public_api'; |
| import { |
| Badge, |
| Device, DeviceHighlight, |
| DeviceProps, |
| ForceDirectedGraph, |
| Host, HostHighlight, |
| HostLabelToggle, |
| LabelToggle, |
| LayerType, |
| Link, |
| LinkHighlight, |
| Location, |
| ModelEventMemo, |
| ModelEventType, |
| Node, |
| Options, |
| Region, |
| RegionLink, |
| SubRegion, |
| UiElement |
| } from './models'; |
| import {LocationType} from '../backgroundsvg/backgroundsvg.component'; |
| import {DeviceNodeSvgComponent} from './visuals/devicenodesvg/devicenodesvg.component'; |
| import {HostNodeSvgComponent} from './visuals/hostnodesvg/hostnodesvg.component'; |
| import {LinkSvgComponent} from './visuals/linksvg/linksvg.component'; |
| import {SelectedEvent} from './visuals/nodevisual'; |
| |
| interface UpdateMeta { |
| id: string; |
| class: string; |
| memento: MetaUi; |
| } |
| |
| const SVGCANVAS = <Options>{ |
| width: 1000, |
| height: 1000 |
| }; |
| |
| interface ChangeSummary { |
| numChanges: number; |
| locationChanged: boolean; |
| } |
| |
| /** |
| * ONOS GUI -- Topology Forces Graph Layer View. |
| * |
| * The regionData is set by Topology Service on WebSocket topo2CurrentRegion callback |
| * This drives the whole Force graph |
| */ |
| @Component({ |
| selector: '[onos-forcesvg]', |
| templateUrl: './forcesvg.component.html', |
| styleUrls: ['./forcesvg.component.css'], |
| changeDetection: ChangeDetectionStrategy.OnPush, |
| }) |
| export class ForceSvgComponent implements OnInit, OnDestroy, OnChanges { |
| @Input() deviceLabelToggle: LabelToggle.Enum = LabelToggle.Enum.NONE; |
| @Input() hostLabelToggle: HostLabelToggle.Enum = HostLabelToggle.Enum.NONE; |
| @Input() showHosts: boolean = false; |
| @Input() showAlarms: boolean = false; |
| @Input() highlightPorts: boolean = true; |
| @Input() onosInstMastership: string = ''; |
| @Input() visibleLayer: LayerType = LayerType.LAYER_DEFAULT; |
| @Input() selectedLink: RegionLink = null; |
| @Input() scale: number = 1; |
| @Input() regionData: Region = <Region>{devices: [ [], [], [] ], hosts: [ [], [], [] ], links: []}; |
| @Output() linkSelected = new EventEmitter<RegionLink>(); |
| @Output() selectedNodeEvent = new EventEmitter<UiElement[]>(); |
| public graph: ForceDirectedGraph; |
| private selectedNodes: UiElement[] = []; |
| viewInitialized: boolean = false; |
| |
| // References to the children of this component - these are created in the |
| // template view with the *ngFor and we get them by a query here |
| @ViewChildren(DeviceNodeSvgComponent) devices: QueryList<DeviceNodeSvgComponent>; |
| @ViewChildren(HostNodeSvgComponent) hosts: QueryList<HostNodeSvgComponent>; |
| @ViewChildren(LinkSvgComponent) links: QueryList<LinkSvgComponent>; |
| |
| constructor( |
| protected log: LogService, |
| private ref: ChangeDetectorRef, |
| protected wss: WebSocketService |
| ) { |
| this.selectedLink = null; |
| this.log.debug('ForceSvgComponent constructed'); |
| } |
| |
| /** |
| * Utility for extracting a node name from an endpoint string |
| * In some cases - have to remove the port number from the end of a device |
| * name |
| * @param endPtStr The end point name |
| */ |
| static extractNodeName(endPtStr: string, portStr: string): string { |
| if (portStr === undefined || endPtStr === undefined) { |
| return endPtStr; |
| } else if (endPtStr.includes('/')) { |
| return endPtStr.substr(0, endPtStr.length - portStr.length - 1); |
| } |
| return endPtStr; |
| } |
| |
| /** |
| * Recursive method to compare 2 objects attribute by attribute and update |
| * the first where a change is detected |
| * @param existingNode 1st object |
| * @param updatedNode 2nd object |
| */ |
| private static updateObject(existingNode: Object, updatedNode: Object): ChangeSummary { |
| const changed = <ChangeSummary>{numChanges: 0, locationChanged: false}; |
| for (const key of Object.keys(updatedNode)) { |
| const o = updatedNode[key]; |
| if (['id', 'x', 'y', 'fx', 'fy', 'vx', 'vy', 'index'].some(k => k === key)) { |
| continue; |
| } else if (o && typeof o === 'object' && o.constructor === Object) { |
| const subChanged = ForceSvgComponent.updateObject(existingNode[key], updatedNode[key]); |
| changed.numChanges += subChanged.numChanges; |
| changed.locationChanged = subChanged.locationChanged ? true : changed.locationChanged; |
| } else if (existingNode === undefined) { |
| // Copy the whole object |
| existingNode = updatedNode; |
| changed.locationChanged = true; |
| changed.numChanges++; |
| } else if (existingNode[key] !== updatedNode[key]) { |
| if (['locType', 'latOrY', 'longOrX', 'latitude', 'longitude', 'gridX', 'gridY'].some(k => k === key)) { |
| changed.locationChanged = true; |
| } |
| changed.numChanges++; |
| existingNode[key] = updatedNode[key]; |
| } |
| } |
| return changed; |
| } |
| |
| @HostListener('window:resize', ['$event']) |
| onResize(event) { |
| this.graph.restartSimulation(); |
| this.log.debug('Simulation restart after resize', event); |
| } |
| |
| /** |
| * After the component is initialized create the Force simulation |
| * The list of devices, hosts and links will not have been receieved back |
| * from the WebSocket yet as this time - they will be updated later through |
| * ngOnChanges() |
| */ |
| ngOnInit() { |
| // Receiving an initialized simulated graph from our custom d3 service |
| this.graph = new ForceDirectedGraph(SVGCANVAS, this.log); |
| |
| /** Binding change detection check on each tick |
| * This along with an onPush change detection strategy should enforce |
| * checking only when relevant! This improves scripting computation |
| * duration in a couple of tests I've made, consistently. Also, it makes |
| * sense to avoid unnecessary checks when we are dealing only with |
| * simulations data binding. |
| */ |
| this.graph.ticker.subscribe((simulation) => { |
| // this.log.debug("Force simulation has ticked. Alpha", |
| // Math.round(simulation.alpha() * 1000) / 1000); |
| this.ref.markForCheck(); |
| }); |
| |
| this.log.debug('ForceSvgComponent initialized - waiting for nodes and links'); |
| |
| } |
| |
| /** |
| * When any one of the inputs get changed by a containing component, this |
| * gets called automatically. In addition this is called manually by |
| * topology.service when a response is received from the WebSocket from the |
| * server |
| * |
| * The Devices, Hosts and SubRegions are all added to the Node list for the simulation |
| * The Links are added to the Link list of the simulation. |
| * Before they are added the Links are associated with Nodes based on their endPt |
| * |
| * @param changes - a list of changed @Input(s) |
| */ |
| ngOnChanges(changes: SimpleChanges) { |
| if (changes['regionData']) { |
| const devices: Device[] = |
| changes['regionData'].currentValue.devices[this.visibleLayerIdx()]; |
| const hosts: Host[] = |
| changes['regionData'].currentValue.hosts[this.visibleLayerIdx()]; |
| const subRegions: SubRegion[] = changes['regionData'].currentValue.subRegion; |
| this.graph.nodes = []; |
| if (devices) { |
| this.graph.nodes = devices; |
| } |
| if (hosts) { |
| this.graph.nodes = this.graph.nodes.concat(hosts); |
| } |
| if (subRegions) { |
| this.graph.nodes = this.graph.nodes.concat(subRegions); |
| } |
| |
| this.graph.nodes.forEach((n) => this.fixPosition(n)); |
| |
| // Associate the endpoints of each link with a real node |
| this.graph.links = []; |
| for (const linkIdx of Object.keys(this.regionData.links)) { |
| const link = this.regionData.links[linkIdx]; |
| const epA = ForceSvgComponent.extractNodeName(link.epA, link.portA); |
| if (!this.graph.nodes.find((node) => node.id === epA)) { |
| this.log.error('ngOnChange Could not find endpoint A', epA, 'for', link); |
| continue; |
| } |
| const epB = ForceSvgComponent.extractNodeName( |
| link.epB, link.portB); |
| if (!this.graph.nodes.find((node) => node.id === epB)) { |
| this.log.error('ngOnChange Could not find endpoint B', epB, 'for', link); |
| continue; |
| } |
| this.regionData.links[linkIdx].source = |
| this.graph.nodes.find((node) => |
| node.id === epA); |
| this.regionData.links[linkIdx].target = |
| this.graph.nodes.find((node) => |
| node.id === epB); |
| this.regionData.links[linkIdx].index = Number(linkIdx); |
| } |
| |
| this.graph.links = this.regionData.links; |
| if (this.graph.nodes.length > 0) { |
| this.graph.reinitSimulation(); |
| } |
| this.log.debug('ForceSvgComponent input changed', |
| this.graph.nodes.length, 'nodes,', this.graph.links.length, 'links'); |
| if (!this.viewInitialized) { |
| this.viewInitialized = true; |
| if (this.showAlarms) { |
| this.wss.sendEvent('alarmTopovDisplayStart', {}); |
| } |
| } |
| } |
| |
| if (changes['showAlarms'] && this.viewInitialized) { |
| if (this.showAlarms) { |
| this.wss.sendEvent('alarmTopovDisplayStart', {}); |
| } else { |
| this.wss.sendEvent('alarmTopovDisplayStop', {}); |
| this.cancelAllDeviceHighlightsNow(); |
| } |
| } |
| } |
| |
| ngOnDestroy(): void { |
| if (this.showAlarms) { |
| this.wss.sendEvent('alarmTopovDisplayStop', {}); |
| this.cancelAllDeviceHighlightsNow(); |
| } |
| this.viewInitialized = false; |
| } |
| |
| /** |
| * If instance has a value then mute colors of devices not connected to it |
| * Otherwise if instance does not have a value unmute all |
| * @param instanceName name of the selected instance |
| */ |
| changeInstSelection(instanceName: string) { |
| this.log.debug('Mastership changed', instanceName); |
| this.devices.filter((d) => d.device.master !== instanceName) |
| .forEach((d) => { |
| const isMuted = Boolean(instanceName); |
| d.ngOnChanges({'colorMuted': new SimpleChange(!isMuted, isMuted, true)}); |
| } |
| ); |
| } |
| |
| /** |
| * If a node has a fixed location then assign it to fx and fy so |
| * that it doesn't get affected by forces |
| * @param graphNode The node whose location should be processed |
| */ |
| private fixPosition(graphNode: Node): void { |
| const loc: Location = <Location>graphNode['location']; |
| const props: DeviceProps = <DeviceProps>graphNode['props']; |
| const metaUi = <MetaUi>graphNode['metaUi']; |
| if (loc && loc.locType === LocationType.GEO) { |
| const position: MetaUi = |
| ZoomUtils.convertGeoToCanvas( |
| <LocMeta>{lng: loc.longOrX, lat: loc.latOrY}); |
| graphNode.fx = position.x; |
| graphNode.fy = position.y; |
| this.log.debug('Found node', graphNode.id, 'with', loc.locType); |
| } else if (loc && loc.locType === LocationType.GRID) { |
| graphNode.fx = loc.longOrX; |
| graphNode.fy = loc.latOrY; |
| this.log.debug('Found node', graphNode.id, 'with', loc.locType); |
| } else if (props && props.locType === LocationType.NONE && metaUi) { |
| graphNode.fx = metaUi.x; |
| graphNode.fy = metaUi.y; |
| this.log.debug('Found node', graphNode.id, 'with locType=none and metaUi'); |
| } else { |
| graphNode.fx = null; |
| graphNode.fy = null; |
| } |
| } |
| |
| /** |
| * Get the index of LayerType so it can drive the visibility of nodes and |
| * hosts on layers |
| */ |
| visibleLayerIdx(): number { |
| const layerKeys: string[] = Object.keys(LayerType); |
| for (const idx in layerKeys) { |
| if (LayerType[layerKeys[idx]] === this.visibleLayer) { |
| return Number(idx); |
| } |
| } |
| return -1; |
| } |
| |
| selectLink(link: RegionLink): void { |
| this.selectedLink = link; |
| this.linkSelected.emit(link); |
| } |
| |
| /** |
| * Iterate through all hosts and devices and links to deselect the previously selected |
| * node. The emit an event to the parent that lets it know the selection has |
| * changed. |
| * |
| * This function collates all of the nodes that have been selected and passes |
| * a collection of nodes up to the topology component |
| * |
| * @param selectedNode the newly selected node |
| */ |
| updateSelected(selectedNode: SelectedEvent): void { |
| this.log.debug('Node or link ', |
| selectedNode.uiElement ? selectedNode.uiElement.id : '--', |
| selectedNode.deselecting ? 'deselected' : 'selected', |
| selectedNode.isShift ? 'Multiple' : ''); |
| |
| if (selectedNode.isShift && selectedNode.deselecting) { |
| const idx = this.selectedNodes.findIndex((n) => |
| n.id === selectedNode.uiElement.id |
| ); |
| this.selectedNodes.splice(idx, 1); |
| this.log.debug('Removed node', idx); |
| |
| } else if (selectedNode.isShift) { |
| this.selectedNodes.push(selectedNode.uiElement); |
| |
| } else if (selectedNode.deselecting) { |
| this.devices |
| .forEach((d) => d.deselect()); |
| this.hosts |
| .forEach((h) => h.deselect()); |
| this.links |
| .forEach((l) => l.deselect()); |
| this.selectedNodes = []; |
| |
| } else { |
| const selNodeId = selectedNode.uiElement.id; |
| // Otherwise if shift was not pressed deselect previous |
| this.devices |
| .filter((d) => d.device.id !== selNodeId) |
| .forEach((d) => d.deselect()); |
| this.hosts |
| .filter((h) => h.host.id !== selNodeId) |
| .forEach((h) => h.deselect()); |
| |
| this.links |
| .filter((l) => l.link.id !== selNodeId) |
| .forEach((l) => l.deselect()); |
| |
| this.selectedNodes = [selectedNode.uiElement]; |
| } |
| // Push the changes back up to parent (Topology Component) |
| this.selectedNodeEvent.emit(this.selectedNodes); |
| } |
| |
| /** |
| * We want to filter links to show only those not related to hosts if the |
| * 'showHosts' flag has been switched off. If 'showHosts' is true, then |
| * display all links. |
| */ |
| filteredLinks(): Link[] { |
| return this.regionData.links.filter((h) => |
| this.showHosts || |
| ((<Host>h.source).nodeType !== 'host' && |
| (<Host>h.target).nodeType !== 'host')); |
| } |
| |
| /** |
| * When changes happen in the model, then model events are sent up through the |
| * Web Socket |
| * @param type - the type of the change |
| * @param memo - a qualifier on the type |
| * @param subject - the item that the update is for |
| * @param data - the new definition of the item |
| */ |
| handleModelEvent(type: ModelEventType, memo: ModelEventMemo, subject: string, data: UiElement): void { |
| switch (type) { |
| case ModelEventType.DEVICE_ADDED_OR_UPDATED: |
| if (memo === ModelEventMemo.ADDED) { |
| this.fixPosition(<Device>data); |
| this.graph.nodes.push(<Device>data); |
| this.regionData.devices[this.visibleLayerIdx()].push(<Device>data); |
| this.log.debug('Device added', (<Device>data).id); |
| } else if (memo === ModelEventMemo.UPDATED) { |
| const oldDevice: Device = |
| this.regionData.devices[this.visibleLayerIdx()] |
| .find((d) => d.id === subject); |
| const changes = ForceSvgComponent.updateObject(oldDevice, <Device>data); |
| if (changes.numChanges > 0) { |
| this.log.debug('Device ', oldDevice.id, memo, ' - ', changes, 'changes'); |
| if (changes.locationChanged) { |
| this.fixPosition(oldDevice); |
| } |
| const svgDevice: DeviceNodeSvgComponent = |
| this.devices.find((svgdevice) => svgdevice.device.id === subject); |
| svgDevice.ngOnChanges({'device': |
| new SimpleChange(<Device>{}, oldDevice, true) |
| }); |
| } |
| } else { |
| this.log.warn('Device ', memo, ' - not yet implemented', data); |
| } |
| break; |
| case ModelEventType.HOST_ADDED_OR_UPDATED: |
| if (memo === ModelEventMemo.ADDED) { |
| this.fixPosition(<Host>data); |
| this.graph.nodes.push(<Host>data); |
| this.regionData.hosts[this.visibleLayerIdx()].push(<Host>data); |
| this.log.debug('Host added', (<Host>data).id); |
| } else if (memo === ModelEventMemo.UPDATED) { |
| const oldHost: Host = this.regionData.hosts[this.visibleLayerIdx()] |
| .find((h) => h.id === subject); |
| const changes = ForceSvgComponent.updateObject(oldHost, <Host>data); |
| if (changes.numChanges > 0) { |
| this.log.debug('Host ', oldHost.id, memo, ' - ', changes, 'changes'); |
| if (changes.locationChanged) { |
| this.fixPosition(oldHost); |
| } |
| } |
| } else { |
| this.log.warn('Host change', memo, ' - unexpected'); |
| } |
| break; |
| case ModelEventType.DEVICE_REMOVED: |
| if (memo === ModelEventMemo.REMOVED || memo === undefined) { |
| const removeIdx: number = |
| this.regionData.devices[this.visibleLayerIdx()] |
| .findIndex((d) => d.id === subject); |
| this.regionData.devices[this.visibleLayerIdx()].splice(removeIdx, 1); |
| this.removeRelatedLinks(subject); |
| this.log.debug('Device ', subject, 'removed. Links', this.regionData.links); |
| } else { |
| this.log.warn('Device removed - unexpected memo', memo); |
| } |
| break; |
| case ModelEventType.HOST_REMOVED: |
| if (memo === ModelEventMemo.REMOVED || memo === undefined) { |
| const removeIdx: number = |
| this.regionData.hosts[this.visibleLayerIdx()] |
| .findIndex((h) => h.id === subject); |
| this.regionData.hosts[this.visibleLayerIdx()].splice(removeIdx, 1); |
| this.removeRelatedLinks(subject); |
| this.log.debug('Host ', subject, 'removed'); |
| } else { |
| this.log.warn('Host removed - unexpected memo', memo); |
| } |
| break; |
| case ModelEventType.LINK_ADDED_OR_UPDATED: |
| if (memo === ModelEventMemo.ADDED && |
| this.regionData.links.findIndex((l) => l.id === subject) === -1) { |
| const newLink = <RegionLink>data; |
| |
| |
| const epA = ForceSvgComponent.extractNodeName( |
| newLink.epA, newLink.portA); |
| if (!this.graph.nodes.find((node) => node.id === epA)) { |
| this.log.error('Could not find endpoint A', epA, 'of', newLink); |
| break; |
| } |
| const epB = ForceSvgComponent.extractNodeName( |
| newLink.epB, newLink.portB); |
| if (!this.graph.nodes.find((node) => node.id === epB)) { |
| this.log.error('Could not find endpoint B', epB, 'of link', newLink); |
| break; |
| } |
| |
| const listLen = this.regionData.links.push(<RegionLink>data); |
| this.regionData.links[listLen - 1].source = |
| this.graph.nodes.find((node) => node.id === epA); |
| this.regionData.links[listLen - 1].target = |
| this.graph.nodes.find((node) => node.id === epB); |
| this.log.debug('Link added', subject); |
| } else if (memo === ModelEventMemo.UPDATED) { |
| const oldLink = this.regionData.links.find((l) => l.id === subject); |
| const changes = ForceSvgComponent.updateObject(oldLink, <RegionLink>data); |
| this.log.debug('Link ', subject, '. Updated', changes, 'items'); |
| } else { |
| this.log.warn('Link event ignored', subject, data); |
| } |
| break; |
| case ModelEventType.LINK_REMOVED: |
| if (memo === ModelEventMemo.REMOVED) { |
| const removeIdx = this.regionData.links.findIndex((l) => l.id === subject); |
| this.regionData.links.splice(removeIdx, 1); |
| this.log.debug('Link ', subject, 'removed'); |
| } |
| break; |
| default: |
| this.log.error('Unexpected model event', type, 'for', subject, 'Data', data); |
| } |
| this.graph.links = this.regionData.links; |
| this.graph.reinitSimulation(); |
| } |
| |
| private removeRelatedLinks(subject: string) { |
| const len = this.regionData.links.length; |
| for (let i = 0; i < len; i++) { |
| const linkIdx = this.regionData.links.findIndex((l) => |
| (ForceSvgComponent.extractNodeName(l.epA, l.portA) === subject || |
| ForceSvgComponent.extractNodeName(l.epB, l.portB) === subject)); |
| if (linkIdx >= 0) { |
| this.regionData.links.splice(linkIdx, 1); |
| this.log.debug('Link ', linkIdx, 'removed on attempt', i); |
| } |
| } |
| } |
| |
| /** |
| * When traffic monitoring is turned on (A key) highlights will be sent back |
| * from the WebSocket through the Traffic Service |
| * Also handles Intent highlights in case one is selected |
| * @param devices - an array of device highlights |
| * @param hosts - an array of host highlights |
| * @param links - an array of link highlights |
| */ |
| handleHighlights(devices: DeviceHighlight[], hosts: HostHighlight[], links: LinkHighlight[], fadeMs: number = 0): void { |
| |
| if (devices.length > 0) { |
| this.log.debug(devices.length, 'Devices highlighted'); |
| devices.forEach((dh: DeviceHighlight) => { |
| this.devices.forEach((d: DeviceNodeSvgComponent) => { |
| if (d.device.id === dh.id) { |
| d.badge = dh.badge; |
| this.ref.markForCheck(); // Forces ngOnChange in the DeviceSvgComponent |
| this.log.debug('Highlighting device', dh.id); |
| } |
| }); |
| }); |
| } |
| if (hosts.length > 0) { |
| this.log.debug(hosts.length, 'Hosts highlighted'); |
| hosts.forEach((hh: HostHighlight) => { |
| this.hosts.forEach((h) => { |
| if (h.host.id === hh.id) { |
| h.badge = hh.badge; |
| this.ref.markForCheck(); // Forces ngOnChange in the HostSvgComponent |
| this.log.debug('Highlighting host', hh.id); |
| } |
| }); |
| }); |
| } |
| if (links.length > 0) { |
| this.log.debug(links.length, 'Links highlighted'); |
| links.forEach((lh: LinkHighlight) => { |
| if (fadeMs > 0) { |
| lh.fadems = fadeMs; |
| } |
| // Don't user .filter() above as it will create a copy of the component which will be discarded |
| this.links.forEach((l) => { |
| if (l.link.id === Link.linkIdFromShowHighlights(lh.id)) { |
| l.linkHighlight = lh; |
| this.ref.markForCheck(); // Forces ngOnChange in the LinkSvgComponent |
| } |
| }); |
| }); |
| } |
| } |
| |
| cancelAllHostHighlightsNow() { |
| this.hosts.forEach((host: HostNodeSvgComponent) => { |
| host.badge = undefined; |
| this.ref.markForCheck(); // Forces ngOnChange in the HostSvgComponent |
| }); |
| } |
| |
| cancelAllDeviceHighlightsNow() { |
| this.devices.forEach((device: DeviceNodeSvgComponent) => { |
| device.badge = undefined; |
| this.ref.markForCheck(); // Forces ngOnChange in the DeviceSvgComponent |
| }); |
| } |
| |
| cancelAllLinkHighlightsNow() { |
| this.links.forEach((link: LinkSvgComponent) => { |
| link.linkHighlight = <LinkHighlight>{}; |
| this.ref.markForCheck(); // Forces ngOnChange in the LinkSvgComponent |
| }); |
| } |
| |
| /** |
| * As nodes are dragged around the graph, their new location should be sent |
| * back to server |
| * @param klass The class of node e.g. 'host' or 'device' |
| * @param id - the ID of the node |
| * @param newLocation - the new Location of the node |
| */ |
| nodeMoved(klass: string, id: string, newLocation: MetaUi) { |
| this.wss.sendEvent('updateMeta2', <UpdateMeta>{ |
| id: id, |
| class: klass, |
| memento: newLocation |
| }); |
| this.log.debug(klass, id, 'has been moved to', newLocation); |
| } |
| |
| /** |
| * If any nodes with fixed positions had been dragged out of place |
| * then put back where they belong |
| * If there are some devices selected reset only these |
| */ |
| resetNodeLocations(): number { |
| let numbernodes = 0; |
| if (this.selectedNodes.length > 0) { |
| this.devices |
| .filter((d) => this.selectedNodes.some((s) => s.id === d.device.id)) |
| .forEach((dev) => { |
| Node.resetNodeLocation(<Node>dev.device); |
| numbernodes++; |
| }); |
| this.hosts |
| .filter((h) => this.selectedNodes.some((s) => s.id === h.host.id)) |
| .forEach((h) => { |
| Host.resetNodeLocation(<Host>h.host); |
| numbernodes++; |
| }); |
| } else { |
| this.devices.forEach((dev) => { |
| Node.resetNodeLocation(<Node>dev.device); |
| numbernodes++; |
| }); |
| this.hosts.forEach((h) => { |
| Host.resetNodeLocation(<Host>h.host); |
| numbernodes++; |
| }); |
| } |
| this.graph.reinitSimulation(); |
| return numbernodes; |
| } |
| |
| /** |
| * Toggle floating nodes between unpinned and frozen |
| * There may be frozen and unpinned in the selection |
| * |
| * If there are nodes selected toggle only these |
| */ |
| unpinOrFreezeNodes(freeze: boolean): number { |
| let numbernodes = 0; |
| if (this.selectedNodes.length > 0) { |
| this.devices |
| .filter((d) => this.selectedNodes.some((s) => s.id === d.device.id)) |
| .forEach((d) => { |
| Node.unpinOrFreezeNode(<Node>d.device, freeze); |
| numbernodes++; |
| }); |
| this.hosts |
| .filter((h) => this.selectedNodes.some((s) => s.id === h.host.id)) |
| .forEach((h) => { |
| Node.unpinOrFreezeNode(<Node>h.host, freeze); |
| numbernodes++; |
| }); |
| } else { |
| this.devices.forEach((d) => { |
| Node.unpinOrFreezeNode(<Node>d.device, freeze); |
| numbernodes++; |
| }); |
| this.hosts.forEach((h) => { |
| Node.unpinOrFreezeNode(<Node>h.host, freeze); |
| numbernodes++; |
| }); |
| } |
| this.graph.reinitSimulation(); |
| return numbernodes; |
| } |
| } |
| |