--- /dev/null
+/*
+ Copyright 2020 TATA ELXSI
+
+ 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.
+
+ Author: KUMARAN M (kumaran.m@tataelxsi.co.in), RAJESH S (rajesh.s@tataelxsi.co.in), BARATH KUMAR R (barath.r@tataelxsi.co.in)
+ */
+/**
+ * @file NS Topology Component
+ */
+/* tslint:disable:no-increment-decrement */
+import { Component, ElementRef, Injector, ViewChild, ViewEncapsulation } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Router } from '@angular/router';
+import { TranslateService } from '@ngx-translate/core';
+import { ERRORDATA } from 'CommonModel';
+import * as d3 from 'd3';
+import { environment } from 'environment';
+import * as HttpStatus from 'http-status-codes';
+import { VNFDCONNECTIONPOINTREF } from 'NSDModel';
+import { COMPOSERNODES, CONNECTIONPOINT, NSD, NSDVLD, NSINFO, NSInstanceDetails, NSINSTANCENODES, VLINFO, VNFRINFO } from 'NSInstanceModel';
+import { GRAPHDETAILS, Tick, TickPath } from 'NSTopologyModel';
+import { RestService } from 'src/services/RestService';
+import { isNullOrUndefined } from 'util';
+
+/**
+ * Creating component
+ * @Component takes NSTopologyComponent.html as template url
+ */
+@Component({
+ selector: 'app-ns-topology',
+ templateUrl: './NSTopologyComponent.html',
+ styleUrls: ['./NSTopologyComponent.scss'],
+ encapsulation: ViewEncapsulation.None
+})
+/** Exporting a class @exports NSTopologyComponent */
+export class NSTopologyComponent {
+ /** Injector to invoke other services @public */
+ public injector: Injector;
+ /** View child contains graphContainer ref @public */
+ @ViewChild('graphContainer', { static: true }) public graphContainer: ElementRef;
+ /** Holds the basic information of NS @public */
+ public nsInfo: NSINFO;
+ /** Contains tranlsate instance @private */
+ public translateService: TranslateService;
+ /** Add the activeclass for the selected @public */
+ public activeClass: string = 'active';
+ /** Add the fixed class for the freeze @public */
+ public fixedClass: string = 'fixed';
+ /** Check the loading results @public */
+ public isLoadingResults: boolean = true;
+ /** Give the message for the loading @public */
+ public message: string = 'PLEASEWAIT';
+ /** Assign the forcesimulation active @public */
+ public forceSimulationActive: boolean = false;
+ /** Assign pinned class for the button when freezed @public */
+ public classApplied: boolean = false;
+ /** Contains sidebar open status @public */
+ public sideBarOpened: boolean = true;
+ /** Need to show the NS Details @public */
+ public isShowNSDetails: boolean = true;
+ /** Need to show the VL Details @public */
+ public isShowVLetails: boolean = false;
+ /** Need to show the VNFR Details @public */
+ public isShowVNFRDetails: boolean = false;
+ /** Show right side info of Virtual Link @public */
+ public virtualLink: VLINFO;
+ /** Show right side info of Virtual Link @public */
+ public vnfr: VNFRINFO;
+
+ /** Contains lastkeypressed instance @private */
+ private lastKeyDown: number = -1;
+ /** Instance of the rest service @private */
+ private restService: RestService;
+ /** Holds the instance of AuthService class of type AuthService @private */
+ private activatedRoute: ActivatedRoute;
+ /** Holds the NS Id @private */
+ private nsIdentifier: string;
+ /** Contains SVG attributes @private */
+ // tslint:disable-next-line:no-any
+ private svg: any;
+ /** Contains forced node animations @private */
+ // tslint:disable-next-line:no-any
+ private force: any;
+ /** Contains path information of the node */
+ // tslint:disable-next-line:no-any
+ private path: any;
+ /** Contains node network @private */
+ // tslint:disable-next-line:no-any
+ private network: any;
+ /** Contains node square @private */
+ // tslint:disable-next-line:no-any
+ private square: any;
+ /** Contains node circle @private */
+ // tslint:disable-next-line:no-any
+ private circle: any;
+ /** Contains the NS information @private */
+ private nsData: NSInstanceDetails;
+ /** Contains NDS information of a descriptors */
+ private nsdData: NSD;
+ /** Contains node information @private */
+ private nodes: NSINSTANCENODES[] = [];
+ /** Contains links information @private */
+ private links: {}[] = [];
+ /** holds cp count/iteration @private */
+ private cpCount: number;
+ /** VNFD nodes @private */
+ private vnfdNodes: {}[] = [];
+ /** VLD nodes @private */
+ private vldNodes: {}[] = [];
+ /** Connection CP nodes @private */
+ private cpNodes: {}[] = [];
+ /** Set timeout @private */
+ private TIMEOUT: number = 2000;
+ /** Rendered nodes represent vnf @private */
+ // tslint:disable-next-line:no-any
+ private gSquare: any;
+ /** Rendered nodes represent network @private */
+ // tslint:disable-next-line:no-any
+ private gNetwork: any;
+ /** Rendered nodes represent network @private */
+ // tslint:disable-next-line:no-any
+ private gCircle: any;
+ /** Service holds the router information @private */
+ private router: Router;
+
+ constructor(injector: Injector) {
+ this.injector = injector;
+ this.restService = this.injector.get(RestService);
+ this.activatedRoute = this.injector.get(ActivatedRoute);
+ this.translateService = this.injector.get(TranslateService);
+ this.router = this.injector.get(Router);
+ }
+
+ /**
+ * Lifecyle Hooks the trigger before component is instantiate @public
+ */
+ public ngOnInit(): void {
+ // tslint:disable-next-line:no-backbone-get-set-outside-model
+ this.nsIdentifier = this.activatedRoute.snapshot.paramMap.get('id');
+ this.generateData();
+ }
+ /** Event to freeze the animation @public */
+ public onFreeze(): void {
+ this.classApplied = !this.classApplied;
+ const alreadyFixedIsActive: boolean = d3.select('svg#graphContainer').classed(this.fixedClass);
+ d3.select('svg#graphContainer').classed(this.fixedClass, !alreadyFixedIsActive);
+ if (alreadyFixedIsActive) {
+ this.force.stop();
+ }
+ this.forceSimulationActive = alreadyFixedIsActive;
+ this.nodes.forEach((d: COMPOSERNODES) => {
+ d.fx = (alreadyFixedIsActive) ? null : d.x;
+ d.fy = (alreadyFixedIsActive) ? null : d.y;
+ });
+ if (alreadyFixedIsActive) {
+ this.force.restart();
+ }
+ }
+ /** Events handles when dragended @public */
+ public toggleSidebar(): void {
+ this.sideBarOpened = !this.sideBarOpened;
+ this.deselectAllNodes();
+ this.showRightSideInfo(true, false, false);
+ }
+ /** Get the default Configuration of containers @private */
+ private getGraphContainerAttr(): GRAPHDETAILS {
+ return {
+ width: 700,
+ height: 400,
+ nodeHeight: 50,
+ nodeWidth: 35,
+ textX: -35,
+ textY: 30,
+ radius: 5,
+ distance: 50,
+ strength: -500,
+ forcex: 2,
+ forcey: 2,
+ sourcePaddingYes: 17,
+ sourcePaddingNo: 12,
+ targetPaddingYes: 4,
+ targetPaddingNo: 3,
+ alphaTarget: 0.3,
+ imageX: -25,
+ imageY: -25,
+ shiftKeyCode: 17
+ };
+ }
+ /** Show the right-side information @private */
+ private showRightSideInfo(nsDetails: boolean, vlDetails: boolean, vnfrDeails: boolean): void {
+ this.isShowNSDetails = nsDetails;
+ this.isShowVLetails = vlDetails;
+ this.isShowVNFRDetails = vnfrDeails;
+ }
+ /** De-select all the selected nodes @private */
+ private deselectAllNodes(): void {
+ this.square.select('image').classed(this.activeClass, false);
+ this.network.select('image').classed(this.activeClass, false);
+ this.circle.select('image').classed(this.activeClass, false);
+ }
+ /** Prepare all the information for node creation @private */
+ private generateData(): void {
+ this.restService.getResource(environment.NSINSTANCESCONTENT_URL + '/' + this.nsIdentifier).subscribe((nsData: NSInstanceDetails) => {
+ this.nsData = nsData;
+ this.nsInfo = {
+ nsInstanceID: nsData._id,
+ nsName: nsData.name,
+ nsOperationalStatus: nsData['operational-status'],
+ nsConfigStatus: nsData['config-status'],
+ nsDetailedStatus: nsData['detailed-status'],
+ nsResourceOrchestrator: nsData['resource-orchestrator']
+ };
+ if (this.nsData['constituent-vnfr-ref'] !== undefined) {
+ this.generateVNFRCPNodes();
+ }
+ if (this.nsData.vld !== undefined) {
+ this.generateVLDNetworkNodes();
+ }
+ setTimeout(() => {
+ this.pushAllNodes();
+ this.generateVNFDCP();
+ this.generateVLDCP();
+ this.isLoadingResults = false;
+ this.createNode(this.nodes, this.links);
+ }, this.TIMEOUT);
+ }, (error: ERRORDATA) => {
+ this.isLoadingResults = false;
+ if (error.error.status === HttpStatus.NOT_FOUND || error.error.status === HttpStatus.UNAUTHORIZED) {
+ this.router.navigateByUrl('404', { skipLocationChange: true }).catch();
+ } else {
+ this.restService.handleError(error, 'get');
+ }
+ });
+ }
+
+ /** Fetching all the VNFR Information @private */
+ private generateVNFRCPNodes(): void {
+ this.nsData['constituent-vnfr-ref'].forEach((vnfdrID: string) => {
+ this.restService.getResource(environment.VNFINSTANCES_URL + '/' + vnfdrID).subscribe((vndfrDetail: NSD) => {
+ this.nodes.push({
+ id: vndfrDetail['vnfd-ref'] + ':' + vndfrDetail['member-vnf-index-ref'],
+ nodeTypeRef: 'vnfd',
+ cp: vndfrDetail['connection-point'],
+ vdur: vndfrDetail.vdur,
+ vld: vndfrDetail.vld,
+ nsID: vndfrDetail['nsr-id-ref'],
+ vnfdID: vndfrDetail['vnfd-id'],
+ vimID: vndfrDetail['vim-account-id'],
+ vndfrID: vndfrDetail.id,
+ ipAddress: vndfrDetail['ip-address'],
+ memberIndex: vndfrDetail['member-vnf-index-ref'],
+ vnfdRef: vndfrDetail['vnfd-ref'],
+ selectorId: 'nsInst-' + vndfrDetail.id
+ });
+ // Fetching all the connection point of VNF & Interface
+ vndfrDetail['connection-point'].forEach((cp: CONNECTIONPOINT) => {
+ this.nodes.push({
+ id: cp.name + ':' + vndfrDetail['member-vnf-index-ref'],
+ vndfCPRef: vndfrDetail['vnfd-ref'] + ':' + vndfrDetail['member-vnf-index-ref'],
+ nodeTypeRef: 'cp',
+ name: cp.name
+ });
+ });
+ }, (error: ERRORDATA) => {
+ this.restService.handleError(error, 'get');
+ });
+ });
+ }
+
+ /** Fetching all the VLD/Network Information @private */
+ private generateVLDNetworkNodes(): void {
+ this.nsdData = this.nsData.nsd;
+ this.nsdData.vld.forEach((ref: NSDVLD) => {
+ this.nodes.push({
+ id: ref.id,
+ nodeTypeRef: 'vld',
+ name: ref.name,
+ type: ref.type,
+ vnfdCP: ref['vnfd-connection-point-ref'],
+ vimNetworkName: ref['vim-network-name'],
+ shortName: ref['short-name'],
+ selectorId: 'nsInst-' + ref.id
+ });
+ });
+ }
+
+ /** Pushing connection points of path/links nodes @private */
+ private pushAllNodes(): void {
+ this.nodes.forEach((nodeList: NSINSTANCENODES) => {
+ if (nodeList.nodeTypeRef === 'vnfd') {
+ this.vnfdNodes.push(nodeList);
+ } else if (nodeList.nodeTypeRef === 'vld') {
+ this.vldNodes.push(nodeList);
+ } else if (nodeList.nodeTypeRef === 'cp') {
+ this.cpNodes.push(nodeList);
+ }
+ });
+ }
+
+ /** Get CP position based on vndf @private */
+ private generateVNFDCP(): void {
+ this.vnfdNodes.forEach((list: NSINSTANCENODES) => {
+ const vndfPos: number = this.nodes.map((e: NSINSTANCENODES) => { return e.id; }).indexOf(list.id);
+ this.cpCount = 0;
+ this.nodes.forEach((res: NSINSTANCENODES) => {
+ if (res.nodeTypeRef === 'cp' && res.vndfCPRef === list.id) {
+ this.links.push({ source: this.nodes[vndfPos], target: this.nodes[this.cpCount] });
+ }
+ this.cpCount++;
+ });
+ });
+ }
+
+ /** Get CP position based on vld @private */
+ private generateVLDCP(): void {
+ let vldPos: number = 0;
+ this.vldNodes.forEach((list: NSINSTANCENODES) => {
+ if (!isNullOrUndefined(list.vnfdCP)) {
+ list.vnfdCP.forEach((cpRef: VNFDCONNECTIONPOINTREF) => {
+ this.cpCount = 0;
+ this.nodes.forEach((res: NSINSTANCENODES) => {
+ if (res.nodeTypeRef === 'cp' && res.id === cpRef['vnfd-connection-point-ref'] + ':' + cpRef['member-vnf-index-ref']) {
+ this.links.push({ source: this.nodes[vldPos], target: this.nodes[this.cpCount] });
+ }
+ this.cpCount++;
+ });
+ });
+ vldPos++;
+ }
+ });
+ }
+
+ /** Node is created and render at D3 region @private */
+ private createNode(nodes: NSINSTANCENODES[], links: {}[]): void {
+ const graphContainerAttr: GRAPHDETAILS = this.getGraphContainerAttr();
+ d3.selectAll('svg#graphContainer > *').remove();
+ d3.select(window).on('keydown', () => { this.keyDown(); });
+ d3.select(window).on('keyup', () => { this.keyUp(); });
+ this.svg = d3.select('#graphContainer')
+ .attr('oncontextmenu', 'return false;')
+ .attr('width', graphContainerAttr.width)
+ .attr('height', graphContainerAttr.height);
+ this.force = d3.forceSimulation()
+ .force('charge', d3.forceManyBody().strength(graphContainerAttr.strength))
+ .force('link', d3.forceLink().id((d: TickPath) => d.id).distance(graphContainerAttr.distance))
+ .force('center', d3.forceCenter(graphContainerAttr.width / graphContainerAttr.forcex,
+ graphContainerAttr.height / graphContainerAttr.forcey))
+ .force('x', d3.forceX(graphContainerAttr.width / graphContainerAttr.forcex))
+ .force('y', d3.forceY(graphContainerAttr.height / graphContainerAttr.forcey))
+ .on('tick', () => { this.tick(); });
+ // handles to link and node element groups
+ this.path = this.svg.append('svg:g').selectAll('path');
+ this.network = this.svg.append('svg:g').selectAll('network');
+ this.square = this.svg.append('svg:g').selectAll('rect');
+ this.circle = this.svg.append('svg:g').selectAll('circle');
+ this.restart(nodes, links);
+ }
+
+ /** Update force layout (called automatically each iteration) @private */
+ private tick(): void {
+ const graphContainerAttr: GRAPHDETAILS = this.getGraphContainerAttr();
+ // draw directed edges with proper padding from node centers
+ this.path.attr('class', 'link').attr('d', (d: Tick) => {
+ const deltaX: number = d.target.x - d.source.x;
+ const deltaY: number = d.target.y - d.source.y;
+ const dist: number = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
+ const normX: number = deltaX / dist;
+ const normY: number = deltaY / dist;
+ const sourcePadding: number = d.left ? graphContainerAttr.sourcePaddingYes : graphContainerAttr.sourcePaddingNo;
+ const targetPadding: number = d.right ? graphContainerAttr.targetPaddingYes : graphContainerAttr.targetPaddingNo;
+ const sourceX: number = d.source.x + (sourcePadding * normX);
+ const sourceY: number = d.source.y + (sourcePadding * normY);
+ const targetX: number = d.target.x - (targetPadding * normX);
+ const targetY: number = d.target.y - (targetPadding * normY);
+ return `M${sourceX},${sourceY}L${targetX},${targetY}`;
+ });
+ this.network.attr('transform', (t: TickPath) => `translate(${t.x},${t.y})`);
+ this.square.attr('transform', (t: TickPath) => `translate(${t.x},${t.y})`);
+ this.circle.attr('transform', (t: TickPath) => `translate(${t.x},${t.y})`);
+ }
+
+ /** Update graph (called when needed) @private */
+ private restart(nodes: NSINSTANCENODES[], links: {}[]): void {
+ const graphContainerAttr: GRAPHDETAILS = this.getGraphContainerAttr();
+ this.path = this.path.data(links);
+ const vnfdNodes: {}[] = []; const vldNodes: {}[] = []; const cpNodes: {}[] = []; // NB: Nodes are known by id, not by index!
+ nodes.forEach((nodeList: NSINSTANCENODES) => {
+ if (nodeList.nodeTypeRef === 'vnfd') { vnfdNodes.push(nodeList); }
+ else if (nodeList.nodeTypeRef === 'vld') { vldNodes.push(nodeList); }
+ else if (nodeList.nodeTypeRef === 'cp') { cpNodes.push(nodeList); }
+ });
+ this.square = this.square.data(vnfdNodes, (d: { id: number }) => d.id);
+ this.network = this.network.data(vldNodes, (d: { id: number }) => d.id);
+ this.circle = this.circle.data(cpNodes, (d: { id: number }) => d.id);
+ this.resetAndCreateNodes();
+ this.force.nodes(nodes).force('link').links(links); //Set the graph in motion
+ this.force.alphaTarget(graphContainerAttr.alphaTarget).restart();
+ }
+
+ /** Rest and create nodes @private */
+ private resetAndCreateNodes(): void {
+ this.path.exit().remove();
+ this.square.exit().remove();
+ this.network.exit().remove();
+ this.circle.exit().remove();
+ // tslint:disable-next-line:no-any
+ const gPath: any = this.path.enter().append('svg:path').attr('class', 'link');
+ this.getgSquare();
+ this.getgNetwork();
+ this.getgCircle();
+ this.square = this.gSquare.merge(this.square);
+ this.network = this.gNetwork.merge(this.network);
+ this.path = gPath.merge(this.path);
+ this.circle = this.gCircle.merge(this.circle);
+ }
+
+ /** Events handles when Shift Click to perform create cp @private */
+ // tslint:disable-next-line: no-any
+ private singleClick(nodeSelected: any, d: COMPOSERNODES): void {
+ this.selectNodeExclusive(nodeSelected, d);
+ }
+ /** Selected nodes @private */
+ // tslint:disable-next-line: no-any
+ private selectNodeExclusive(nodeSelected: any, d: COMPOSERNODES): void {
+ const alreadyIsActive: boolean = nodeSelected.select('#' + d.selectorId).classed(this.activeClass);
+ this.deselectAllNodes();
+ nodeSelected.select('#' + d.selectorId).classed(this.activeClass, !alreadyIsActive);
+ if (d.nodeTypeRef === 'vld' && !alreadyIsActive) {
+ this.virtualLink = {
+ id: d.id,
+ name: d.name,
+ type: d.type,
+ shortName: d.shortName,
+ vimNetworkName: d.vimNetworkName
+ };
+ this.showRightSideInfo(false, true, false);
+ } else if (d.nodeTypeRef === 'vnfd' && !alreadyIsActive) {
+ this.vnfr = {
+ vimID: d.vimID,
+ _id: d.vndfrID,
+ ip: d.ipAddress,
+ nsrID: d.nsID,
+ id: d.selectorId,
+ vnfdRef: d.vnfdRef,
+ vnfdId: d.vnfdID,
+ memberIndex: d.memberIndex
+ };
+ this.showRightSideInfo(false, false, true);
+ } else {
+ this.showRightSideInfo(true, false, false);
+ }
+ }
+ /** Setting all the square/vnf attributes of nodes @private */
+ private getgSquare(): void {
+ const graphContainerAttr: GRAPHDETAILS = this.getGraphContainerAttr();
+ this.gSquare = this.square.enter().append('svg:g');
+ this.gSquare.append('svg:circle').attr('r', graphContainerAttr.radius).style('fill', '#eeeeee');
+ this.gSquare.append('svg:image')
+ .style('opacity', 1)
+ .attr('x', graphContainerAttr.imageX)
+ .attr('y', graphContainerAttr.imageY)
+ .attr('id', (d: COMPOSERNODES) => { return d.selectorId; })
+ .attr('class', 'node').attr('width', graphContainerAttr.nodeWidth).attr('height', graphContainerAttr.nodeHeight)
+ .attr('xlink:href', 'assets/images/VNFD.svg')
+ .on('click', (d: COMPOSERNODES) => { this.singleClick(this.gSquare, d); this.onNodeClickToggleSidebar(); });
+ this.gSquare.append('svg:text')
+ .attr('class', 'node_text')
+ .attr('y', graphContainerAttr.textY)
+ .text((d: COMPOSERNODES) => d.id);
+ }
+
+ /** Settings all the network attributes of nodes @private */
+ private getgNetwork(): void {
+ const graphContainerAttr: GRAPHDETAILS = this.getGraphContainerAttr();
+ this.gNetwork = this.network.enter().append('svg:g');
+ this.gNetwork.append('svg:circle').attr('r', graphContainerAttr.radius).style('fill', '#eeeeee');
+ this.gNetwork.append('svg:image')
+ .style('opacity', 1)
+ .attr('x', graphContainerAttr.imageX)
+ .attr('y', graphContainerAttr.imageY)
+ .attr('id', (d: COMPOSERNODES) => { return d.selectorId; })
+ .attr('class', 'node').attr('width', graphContainerAttr.nodeWidth).attr('height', graphContainerAttr.nodeHeight)
+ .attr('xlink:href', 'assets/images/VL.svg')
+ .on('click', (d: COMPOSERNODES) => { this.singleClick(this.gNetwork, d); this.onNodeClickToggleSidebar(); });
+ this.gNetwork.append('svg:text')
+ .attr('class', 'node_text')
+ .attr('y', graphContainerAttr.textY)
+ .text((d: COMPOSERNODES) => d.name);
+ }
+
+ /** Settings all the connection point attributes of nodes @private */
+ private getgCircle(): void {
+ const graphContainerAttr: GRAPHDETAILS = this.getGraphContainerAttr();
+ this.gCircle = this.circle.enter().append('svg:g');
+ this.gCircle.append('svg:circle').attr('r', graphContainerAttr.radius).style('fill', '#eeeeee');
+ this.gCircle.append('svg:image')
+ .style('opacity', 1)
+ .attr('x', graphContainerAttr.imageX)
+ .attr('y', graphContainerAttr.imageY)
+ .attr('class', 'node').attr('width', graphContainerAttr.nodeWidth).attr('height', graphContainerAttr.nodeHeight)
+ .attr('xlink:href', 'assets/images/CP.svg');
+ this.gCircle.append('svg:text')
+ .attr('class', 'node_text')
+ .attr('y', graphContainerAttr.textY)
+ .text((d: COMPOSERNODES) => d.name);
+ }
+
+ /** Key press event @private */
+ private keyDown(): void {
+ const graphContainerAttr: GRAPHDETAILS = this.getGraphContainerAttr();
+ if (this.lastKeyDown !== -1) { return; }
+ this.lastKeyDown = d3.event.keyCode;
+ if (d3.event.keyCode === graphContainerAttr.shiftKeyCode) {
+ this.gSquare.call(d3.drag()
+ .on('start', this.dragstarted).on('drag', this.dragged).on('end', this.dragended)
+ );
+ this.gNetwork.call(d3.drag()
+ .on('start', this.dragstarted).on('drag', this.dragged).on('end', this.dragended)
+ );
+ this.gCircle.call(d3.drag()
+ .on('start', this.dragstarted).on('drag', this.dragged).on('end', this.dragended)
+ );
+ this.svg.classed('ctrl', true);
+ }
+ }
+ /** Key realse event @private */
+ private keyUp(): void {
+ const graphContainerAttr: GRAPHDETAILS = this.getGraphContainerAttr();
+ this.lastKeyDown = -1;
+ if (d3.event.keyCode === graphContainerAttr.shiftKeyCode) {
+ this.gSquare.on('.drag', null);
+ this.gNetwork.on('.drag', null);
+ this.gCircle.on('.drag', null);
+ this.svg.classed('ctrl', false);
+ }
+ }
+ /** Events handles when dragstarted @private */
+ private dragstarted(d: COMPOSERNODES): void {
+ d.fx = d.x;
+ d.fy = d.y;
+ }
+ /** Events handles when dragged @private */
+ private dragged(d: COMPOSERNODES): void {
+ d.fx = d.x = d3.event.x;
+ d.fy = d.y = d3.event.y;
+ }
+ /** Events handles when dragended @private */
+ private dragended(d: COMPOSERNODES): void {
+ if (this.forceSimulationActive) {
+ d.fx = null;
+ d.fy = null;
+ } else {
+ d.fx = d.x;
+ d.fy = d.y;
+ this.forceSimulationActive = false;
+ }
+ }
+ /** Events handles when node single click @private */
+ private onNodeClickToggleSidebar(): void {
+ this.sideBarOpened = true;
+ }
+}