catalog-ui/src/app/ng2/pages/composition/graph/composition-graph.component.ts

   1 /**
   2  * Created by ob0695 on 4/24/2018.
   3  */
   4 import { AfterViewInit, Component, ElementRef, HostBinding, Input } from '@angular/core';
   5 import { Select, Store } from '@ngxs/store';
   6 import {
   7     ButtonModel,
   8     Component as TopologyTemplate,
   9     ComponentInstance,
  10     CompositionCiNodeBase,
  11     ConnectRelationModel,
  12     GroupInstance,
  13     LeftPaletteComponent,
  14     LinkMenu,
  15     Match,
  16     ModalModel,
  17     NodesFactory,
  18     Point,
  19     PolicyInstance,
  20     PropertyBEModel,
  21     Relationship,
  22     StepModel,
  23     Zone,
  24     ZoneInstance,
  25     ZoneInstanceAssignmentType,
  26     ZoneInstanceMode,
  27     ZoneInstanceType
  28 } from 'app/models';
  29 import { ForwardingPath } from 'app/models/forwarding-path';
  30 import { CompositionCiServicePathLink } from 'app/models/graph/graph-links/composition-graph-links/composition-ci-service-path-link';
  31 import { UIZoneInstanceObject } from 'app/models/ui-models/ui-zone-instance-object';
  32 import { CompositionService } from 'app/ng2/pages/composition/composition.service';
  33 import { CommonGraphUtils } from 'app/ng2/pages/composition/graph/common/common-graph-utils';
  34 import { ComponentInstanceNodesStyle } from 'app/ng2/pages/composition/graph/common/style/component-instances-nodes-style';
  35 import { ConnectionPropertiesViewComponent } from 'app/ng2/pages/composition/graph/connection-wizard/connection-properties-view/connection-properties-view.component';
  36 import { ConnectionWizardHeaderComponent } from 'app/ng2/pages/composition/graph/connection-wizard/connection-wizard-header/connection-wizard-header.component';
  37 import { ConnectionWizardService } from 'app/ng2/pages/composition/graph/connection-wizard/connection-wizard.service';
  38 import { FromNodeStepComponent } from 'app/ng2/pages/composition/graph/connection-wizard/from-node-step/from-node-step.component';
  39 import { PropertiesStepComponent } from 'app/ng2/pages/composition/graph/connection-wizard/properties-step/properties-step.component';
  40 import { ToNodeStepComponent } from 'app/ng2/pages/composition/graph/connection-wizard/to-node-step/to-node-step.component';
  41 import { WorkspaceService } from 'app/ng2/pages/workspace/workspace.service';
  42 import { ComponentInstanceServiceNg2 } from 'app/ng2/services/component-instance-services/component-instance.service';
  43 import { TopologyTemplateService } from 'app/ng2/services/component-services/topology-template.service';
  44 import { ModalService } from 'app/ng2/services/modal.service';
  45 import { ComponentGenericResponse } from 'app/ng2/services/responses/component-generic-response';
  46 import { ServiceGenericResponse } from 'app/ng2/services/responses/service-generic-response';
  47 import { WorkspaceState } from 'app/ng2/store/states/workspace.state';
  48 import { EventListenerService } from 'app/services';
  49 import { ComponentInstanceFactory, EVENTS, SdcElementType } from 'app/utils';
  50 import { ComponentType, GRAPH_EVENTS, GraphColors, DEPENDENCY_EVENTS } from 'app/utils/constants';
  51 import * as _ from 'lodash';
  52 import { DndDropEvent } from 'ngx-drag-drop/ngx-drag-drop';
  53 import { SdcUiServices } from 'onap-ui-angular';
  54 import { NotificationSettings } from 'onap-ui-angular/dist/notifications/utilities/notification.config';
  55 import { menuItem } from 'onap-ui-angular/dist/simple-popup-menu/menu-data.interface';
  56 import { CytoscapeEdgeEditation } from '../../../../../third-party/cytoscape.js-edge-editation/CytoscapeEdgeEditation.js';
  57 import { SelectedComponentType, SetSelectedComponentAction } from '../common/store/graph.actions';
  58 import { GraphState } from '../common/store/graph.state';
  59 import {
  60     CompositionGraphGeneralUtils,
  61     CompositionGraphNodesUtils,
  62     CompositionGraphZoneUtils,
  63     MatchCapabilitiesRequirementsUtils
  64 } from './utils';
  65 import { CompositionGraphLinkUtils } from './utils/composition-graph-links-utils';
  66 import { CompositionGraphPaletteUtils } from './utils/composition-graph-palette-utils';
  67 import { ServicePathGraphUtils } from './utils/composition-graph-service-path-utils';
  68
  69 declare const window: any;
  70
  71 @Component({
  72     selector: 'composition-graph',
  73     templateUrl: './composition-graph.component.html',
  74     styleUrls: ['./composition-graph.component.less']
  75 })
  76
  77 export class CompositionGraphComponent implements AfterViewInit {
  78
  79     @Select(WorkspaceState.isViewOnly) isViewOnly$: boolean;
  80     @Select(GraphState.withSidebar) withSidebar$: boolean;
  81     @Input() topologyTemplate: TopologyTemplate;
  82     @HostBinding('attr.data-tests-id') dataTestId: string;
  83     @Input() testId: string;
  84
  85     // tslint:disable:variable-name
  86     private _cy: Cy.Instance;
  87     private zoneTagMode: string;
  88     private activeZoneInstance: ZoneInstance;
  89     private zones: Zone[];
  90     private currentlyClickedNodePosition: Cy.Position;
  91     private dragElement: JQuery;
  92     private dragComponent: ComponentInstance;
  93     private componentInstanceNames: string[];
  94     private topologyTemplateId: string;
  95     private topologyTemplateType: string;
  96
  97     constructor(private elRef: ElementRef,
  98                 private nodesFactory: NodesFactory,
  99                 private eventListenerService: EventListenerService,
 100                 private compositionGraphZoneUtils: CompositionGraphZoneUtils,
 101                 private generalGraphUtils: CompositionGraphGeneralUtils,
 102                 private compositionGraphLinkUtils: CompositionGraphLinkUtils,
 103                 private nodesGraphUtils: CompositionGraphNodesUtils,
 104                 private connectionWizardService: ConnectionWizardService,
 105                 private commonGraphUtils: CommonGraphUtils,
 106                 private modalService: ModalService,
 107                 private compositionGraphPaletteUtils: CompositionGraphPaletteUtils,
 108                 private topologyTemplateService: TopologyTemplateService,
 109                 private componentInstanceService: ComponentInstanceServiceNg2,
 110                 private matchCapabilitiesRequirementsUtils: MatchCapabilitiesRequirementsUtils,
 111                 private store: Store,
 112                 private compositionService: CompositionService,
 113                 private loaderService: SdcUiServices.LoaderService,
 114                 private workspaceService: WorkspaceService,
 115                 private notificationService: SdcUiServices.NotificationsService,
 116                 private simplePopupMenuService: SdcUiServices.simplePopupMenuService,
 117                 private servicePathGraphUtils: ServicePathGraphUtils) {
 118     }
 119
 120     ngOnInit() {
 121         this.dataTestId = this.testId;
 122         this.topologyTemplateId = this.workspaceService.metadata.uniqueId;
 123         this.topologyTemplateType = this.workspaceService.metadata.componentType;
 124
 125         this.store.dispatch(new SetSelectedComponentAction({
 126             component: this.topologyTemplate,
 127             type: SelectedComponentType.TOPOLOGY_TEMPLATE
 128         }));
 129         this.eventListenerService.registerObserverCallback(EVENTS.ON_CHECKOUT, () => {
 130             this.loadGraphData();
 131         });
 132         this.loadCompositionData();
 133     }
 134
 135     ngAfterViewInit() {
 136         this.loadGraph();
 137     }
 138
 139     ngOnDestroy() {
 140         this._cy.destroy();
 141         _.forEach(GRAPH_EVENTS, (event) => {
 142             this.eventListenerService.unRegisterObserver(event);
 143         });
 144         this.eventListenerService.unRegisterObserver(EVENTS.ON_CHECKOUT);
 145         this.eventListenerService.unRegisterObserver(DEPENDENCY_EVENTS.ON_DEPENDENCY_CHANGE);
 146     }
 147
 148     public isViewOnly = (): boolean => {
 149         return this.store.selectSnapshot((state) => state.workspace.isViewOnly);
 150     }
 151
 152     public zoom = (zoomIn: boolean): void => {
 153         const currentZoom: number = this._cy.zoom();
 154         if (zoomIn) {
 155             this.generalGraphUtils.zoomGraphTo(this._cy, currentZoom + .1);
 156         } else {
 157             this.generalGraphUtils.zoomGraphTo(this._cy, currentZoom - .1);
 158         }
 159     }
 160
 161     public zoomAllWithoutSidebar = () => {
 162         setTimeout(() => { // wait for sidebar changes to take effect before zooming
 163             this.generalGraphUtils.zoomAll(this._cy);
 164         });
 165     }
 166
 167     public getAutoCompleteValues = (searchTerm: string) => {
 168         if (searchTerm.length > 1) { // US requirement: only display search results after 2nd letter typed.
 169             const nodes: Cy.CollectionNodes = this.nodesGraphUtils.getMatchingNodesByName(this._cy, searchTerm);
 170             this.componentInstanceNames = _.map(nodes, (node) => node.data('name'));
 171         } else {
 172             this.componentInstanceNames = [];
 173         }
 174     }
 175
 176     public highlightSearchMatches = (searchTerm: string) => {
 177         this.nodesGraphUtils.highlightMatchingNodesByName(this._cy, searchTerm);
 178         const matchingNodes: Cy.CollectionNodes = this.nodesGraphUtils.getMatchingNodesByName(this._cy, searchTerm);
 179         this.generalGraphUtils.zoomAll(this._cy, matchingNodes);
 180     }
 181
 182     public onDrop = (dndEvent: DndDropEvent) => {
 183         this.compositionGraphPaletteUtils.addNodeFromPalette(this._cy, dndEvent);
 184     }
 185
 186     public openServicePathMenu = ($event): void => {
 187
 188         const menuConfig: menuItem[] = [];
 189         if (!this.isViewOnly()) {
 190             menuConfig.push({
 191                 text: 'Create Service Flow',
 192                 action: () => this.servicePathGraphUtils.onCreateServicePath()
 193             });
 194         }
 195         menuConfig.push({
 196             text: 'Service Flows List',
 197             type: '',
 198             action: () => this.servicePathGraphUtils.onListServicePath()
 199         });
 200         const popup = this.simplePopupMenuService.openBaseMenu(menuConfig, {
 201             x: $event.x,
 202             y: $event.y
 203         });
 204
 205     }
 206
 207     public deletePathsOnCy = () => {
 208         this.servicePathGraphUtils.deletePathsFromGraph(this._cy);
 209     }
 210
 211     public drawPathOnCy = (data: ForwardingPath) => {
 212         this.servicePathGraphUtils.drawPath(this._cy, data);
 213     }
 214
 215     public onTapEnd = (event: Cy.EventObject) => {
 216         if (this.zoneTagMode) {
 217             return;
 218         }
 219         if (event.cyTarget === this._cy) { // On Background clicked
 220             if (this._cy.$('node:selected').length === 0) { // if the background click but not dragged
 221                 if (this.activeZoneInstance) {
 222                     this.unsetActiveZoneInstance();
 223                     this.selectTopologyTemplate();
 224                 } else {
 225                     this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_GRAPH_BACKGROUND_CLICKED);
 226                     this.selectTopologyTemplate();
 227                 }
 228
 229             }
 230         } else if (event.cyTarget[0].isEdge()) { // and Edge clicked
 231             this.compositionGraphLinkUtils.handleLinkClick(this._cy, event);
 232             if (event.cyTarget[0].data().type === CompositionCiServicePathLink.LINK_TYPE) {
 233                 return;
 234             }
 235             this.openModifyLinkMenu(this.compositionGraphLinkUtils.getModifyLinkMenu(event.cyTarget[0], event), event);
 236         } else { // On Node clicked
 237
 238             this._cy.nodes(':grabbed').style({'overlay-opacity': 0});
 239
 240             const newPosition = event.cyTarget[0].position();
 241             // node position changed (drop after drag event) - we need to update position
 242             if (this.currentlyClickedNodePosition.x !== newPosition.x || this.currentlyClickedNodePosition.y !== newPosition.y) {
 243                 const nodesMoved: Cy.CollectionNodes = this._cy.$(':grabbed');
 244                 this.nodesGraphUtils.onNodesPositionChanged(this._cy, this.topologyTemplate, nodesMoved);
 245             } else {
 246                 if (this.activeZoneInstance) {
 247                     this.unsetActiveZoneInstance();
 248                 }
 249                 this.selectComponentInstance(event.cyTarget[0].data().componentInstance);
 250             }
 251         }
 252     }
 253
 254     private registerCytoscapeGraphEvents() {
 255
 256         this._cy.on('addedgemouseup', (event, data) => {
 257             const connectRelationModel: ConnectRelationModel = this.compositionGraphLinkUtils.onLinkDrawn(this._cy, data.source, data.target);
 258             if (connectRelationModel != null) {
 259                 this.connectionWizardService.setRelationMenuDirectiveObj(connectRelationModel);
 260                 this.connectionWizardService.selectedMatch = null;
 261
 262                 const steps: StepModel[] = [];
 263                 const fromNodeName: string = connectRelationModel.fromNode.componentInstance.name;
 264                 const toNodeName: string = connectRelationModel.toNode.componentInstance.name;
 265                 steps.push(new StepModel(fromNodeName, FromNodeStepComponent));
 266                 steps.push(new StepModel(toNodeName, ToNodeStepComponent));
 267                 steps.push(new StepModel('Properties', PropertiesStepComponent));
 268                 const wizardTitle = 'Connect: ' + fromNodeName + ' to ' + toNodeName;
 269                 const modalInstance = this.modalService.createMultiStepsWizard(wizardTitle, steps, this.createLinkFromMenu, ConnectionWizardHeaderComponent);
 270                 modalInstance.instance.open();
 271             }
 272         });
 273
 274         this._cy.on('tapstart', 'node', (event: Cy.EventObject) => {
 275             this.currentlyClickedNodePosition = angular.copy(event.cyTarget[0].position()); // update node position on drag
 276         });
 277
 278         this._cy.on('drag', 'node', (event: Cy.EventObject) => {
 279             if (event.cyTarget.data().componentSubType !== SdcElementType.POLICY && event.cyTarget.data().componentSubType !== SdcElementType.GROUP) {
 280                 event.cyTarget.style({'overlay-opacity': 0.24});
 281                 if (this.generalGraphUtils.isValidDrop(this._cy, event.cyTarget)) {
 282                     event.cyTarget.style({'overlay-color': GraphColors.NODE_BACKGROUND_COLOR});
 283                 } else {
 284                     event.cyTarget.style({'overlay-color': GraphColors.NODE_OVERLAPPING_BACKGROUND_COLOR});
 285                 }
 286             }
 287         });
 288
 289         this._cy.on('handlemouseover', (event, payload) => {
 290             // no need to add opacity while we are dragging and hovering othe nodes- or if opacity was already calculated for these nodes
 291             if (payload.node.grabbed() || this._cy.scratch('_edge_editation_highlights') === true) {
 292                 return;
 293             }
 294
 295             if (this.zoneTagMode) {
 296                 this.zoneTagMode = this.zones[this.activeZoneInstance.type].getHoverTagModeId();
 297                 return;
 298             }
 299
 300             const nodesData = this.nodesGraphUtils.getAllNodesData(this._cy.nodes());
 301             const nodesLinks = this.generalGraphUtils.getAllCompositionCiLinks(this._cy);
 302             const instance = payload.node.data().componentInstance;
 303             const filteredNodesData = this.matchCapabilitiesRequirementsUtils.findMatchingNodesToComponentInstance(instance, nodesData, nodesLinks);
 304             this.matchCapabilitiesRequirementsUtils.highlightMatchingComponents(filteredNodesData, this._cy);
 305             this.matchCapabilitiesRequirementsUtils.fadeNonMachingComponents(filteredNodesData, nodesData, this._cy, payload.node.data());
 306
 307             this._cy.scratch()._edge_editation_highlights = true;
 308         });
 309
 310         this._cy.on('handlemouseout', () => {
 311             if (this.zoneTagMode) {
 312                 this.zoneTagMode = this.zones[this.activeZoneInstance.type].getTagModeId();
 313                 return;
 314             }
 315             if (this._cy.scratch('_edge_editation_highlights') === true) {
 316                 this._cy.removeScratch('_edge_editation_highlights');
 317                 this._cy.emit('hidehandles');
 318                 this.matchCapabilitiesRequirementsUtils.resetFadedNodes(this._cy);
 319             }
 320         });
 321
 322         this._cy.on('tapend', (event: Cy.EventObject) => {
 323             this.onTapEnd(event);
 324         });
 325
 326         this._cy.on('boxselect', 'node', (event: Cy.EventObject) => {
 327             this.unsetActiveZoneInstance();
 328             this.selectComponentInstance(event.cyTarget.data().componentInstance);
 329         });
 330
 331         this._cy.on('canvasredraw', (event: Cy.EventObject) => {
 332             if (this.zoneTagMode) {
 333                 this.compositionGraphZoneUtils.showZoneTagIndications(this._cy, this.activeZoneInstance);
 334             }
 335         });
 336
 337         this._cy.on('handletagclick', (event: Cy.EventObject, eventData: any) => {
 338             this.compositionGraphZoneUtils.handleTagClick(this._cy, this.activeZoneInstance, eventData.nodeId);
 339         });
 340     }
 341
 342     private initViewMode() {
 343
 344         if (this.isViewOnly()) {
 345             // remove event listeners
 346             this._cy.off('drag');
 347             this._cy.off('handlemouseout');
 348             this._cy.off('handlemouseover');
 349             this._cy.off('canvasredraw');
 350             this._cy.off('handletagclick');
 351             this._cy.edges().unselectify();
 352         }
 353     }
 354
 355     private saveChangedCapabilityProperties = (): Promise<PropertyBEModel[]> => {
 356         return new Promise<PropertyBEModel[]>((resolve) => {
 357             const capabilityPropertiesBE: PropertyBEModel[] = this.connectionWizardService.changedCapabilityProperties.map((prop) => {
 358                 prop.value = prop.getJSONValue();
 359                 const propBE = new PropertyBEModel(prop);
 360                 propBE.parentUniqueId = this.connectionWizardService.selectedMatch.relationship.relation.capabilityOwnerId;
 361                 return propBE;
 362             });
 363             if (capabilityPropertiesBE.length > 0) {
 364                 // if there are capability properties to update, then first update capability properties and then resolve promise
 365                 this.componentInstanceService
 366                     .updateInstanceCapabilityProperties(
 367                         this.topologyTemplate,
 368                         this.connectionWizardService.selectedMatch.toNode,
 369                         this.connectionWizardService.selectedMatch.capability,
 370                         capabilityPropertiesBE
 371                     )
 372                     .subscribe((response) => {
 373                         console.log('Update resource instance capability properties response: ', response);
 374                         this.connectionWizardService.changedCapabilityProperties = [];
 375                         resolve(capabilityPropertiesBE);
 376                     });
 377             } else {
 378                 // no capability properties to update, immediately resolve promise
 379                 resolve(capabilityPropertiesBE);
 380             }
 381         });
 382     }
 383
 384     private loadCompositionData = () => {
 385         this.loaderService.activate();
 386         this.topologyTemplateService.getComponentCompositionData(this.topologyTemplateId, this.topologyTemplateType).subscribe((response: ComponentGenericResponse) => {
 387             if (this.topologyTemplateType === ComponentType.SERVICE) {
 388                 this.compositionService.forwardingPaths = (response as ServiceGenericResponse).forwardingPaths;
 389             }
 390             this.compositionService.componentInstances = response.componentInstances;
 391             this.compositionService.componentInstancesRelations = response.componentInstancesRelations;
 392             this.compositionService.groupInstances = response.groupInstances;
 393             this.compositionService.policies = response.policies;
 394             this.loadGraphData();
 395             this.loaderService.deactivate();
 396         }, (error) => { this.loaderService.deactivate(); });
 397     }
 398
 399     private loadGraph = () => {
 400         const graphEl = this.elRef.nativeElement.querySelector('.sdc-composition-graph-wrapper');
 401         this.initGraph(graphEl);
 402         this.zones = this.compositionGraphZoneUtils.createCompositionZones();
 403         this.registerCytoscapeGraphEvents();
 404         this.registerCustomEvents();
 405         this.initViewMode();
 406     }
 407
 408     private initGraphNodes() {
 409
 410         setTimeout(() => {
 411             const handles = new CytoscapeEdgeEditation();
 412             handles.init(this._cy);
 413             if (!this.isViewOnly()) { // Init nodes handle extension - enable dynamic links
 414                 handles.initNodeEvents();
 415                 handles.registerHandle(ComponentInstanceNodesStyle.getAddEdgeHandle());
 416             }
 417             handles.registerHandle(ComponentInstanceNodesStyle.getTagHandle());
 418             handles.registerHandle(ComponentInstanceNodesStyle.getTaggedPolicyHandle());
 419             handles.registerHandle(ComponentInstanceNodesStyle.getTaggedGroupHandle());
 420         }, 0);
 421
 422         _.each(this.compositionService.componentInstances, (instance) => {
 423             const compositionGraphNode: CompositionCiNodeBase = this.nodesFactory.createNode(instance);
 424             this.commonGraphUtils.addComponentInstanceNodeToGraph(this._cy, compositionGraphNode);
 425         });
 426
 427     }
 428
 429     private loadGraphData = () => {
 430         this.initGraphNodes();
 431         this.compositionGraphLinkUtils.initGraphLinks(this._cy, this.compositionService.componentInstancesRelations);
 432         this.compositionGraphZoneUtils.initZoneInstances(this.zones);
 433         setTimeout(() => { // Need setTimeout so that angular canvas changes will take effect before resize & center
 434             this.generalGraphUtils.zoomAllWithMax(this._cy, 1);
 435         });
 436         this.componentInstanceNames = _.map(this._cy.nodes(), (node) => node.data('name'));
 437     }
 438
 439     private initGraph(graphEl: JQuery) {
 440
 441         this._cy = cytoscape({
 442             container: graphEl,
 443             style: ComponentInstanceNodesStyle.getCompositionGraphStyle(),
 444             zoomingEnabled: true,
 445             maxZoom: 1.2,
 446             minZoom: .1,
 447             userZoomingEnabled: false,
 448             userPanningEnabled: true,
 449             selectionType: 'single',
 450             boxSelectionEnabled: true,
 451             autolock: this.isViewOnly(),
 452             autoungrabify: this.isViewOnly()
 453         });
 454
 455         // Testing Bridge that allows Cypress tests to select a component on canvas not via DOM
 456         if (window.Cypress) {
 457             window.testBridge = this.createCanvasTestBridge();
 458         }
 459     }
 460
 461     private createCanvasTestBridge(): any {
 462         return {
 463             selectComponentInstance: (componentName: string) => {
 464                 const matchingNodesByName = this.nodesGraphUtils.getMatchingNodesByName(this._cy, componentName);
 465                 const component = new ComponentInstance(matchingNodesByName.first().data().componentInstance);
 466                 this.selectComponentInstance(component);
 467             }
 468         };
 469     }
 470
 471     // -------------------------------------------- ZONES---------------------------------------------------------//
 472     private zoneMinimizeToggle = (zoneType: ZoneInstanceType): void => {
 473         this.zones[zoneType].minimized = !this.zones[zoneType].minimized;
 474     }
 475
 476     private zoneInstanceModeChanged = (newMode: ZoneInstanceMode, instance: ZoneInstance, zoneId: ZoneInstanceType): void => {
 477         if (this.zoneTagMode) { // we're in tag mode.
 478             if (instance === this.activeZoneInstance && newMode === ZoneInstanceMode.NONE) { // we want to turn tag mode off.
 479                 this.zoneTagMode = null;
 480                 this.activeZoneInstance.mode = ZoneInstanceMode.SELECTED;
 481                 this.compositionGraphZoneUtils.endCyTagMode(this._cy);
 482                 this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_CANVAS_TAG_END, instance);
 483
 484             }
 485         } else {
 486             // when active zone instance gets hover/none, don't actually change mode, just show/hide indications
 487             if (instance !== this.activeZoneInstance || (instance === this.activeZoneInstance && newMode > ZoneInstanceMode.HOVER)) {
 488                 instance.mode = newMode;
 489             }
 490
 491             if (newMode === ZoneInstanceMode.NONE) {
 492                 this.compositionGraphZoneUtils.hideZoneTagIndications(this._cy);
 493                 if (this.zones[ZoneInstanceType.GROUP]) {
 494                     this.compositionGraphZoneUtils.hideGroupZoneIndications(this.zones[ZoneInstanceType.GROUP].instances);
 495                 }
 496             }
 497             if (newMode >= ZoneInstanceMode.HOVER) {
 498                 this.compositionGraphZoneUtils.showZoneTagIndications(this._cy, instance);
 499                 if (instance.type === ZoneInstanceType.POLICY && this.zones[ZoneInstanceType.GROUP]) {
 500                     this.compositionGraphZoneUtils.showGroupZoneIndications(this.zones[ZoneInstanceType.GROUP].instances, instance);
 501                 }
 502             }
 503             if (newMode >= ZoneInstanceMode.SELECTED) {
 504                 this._cy.$('node:selected').unselect();
 505                 if (this.activeZoneInstance && this.activeZoneInstance !== instance && newMode >= ZoneInstanceMode.SELECTED) {
 506                     this.activeZoneInstance.mode = ZoneInstanceMode.NONE;
 507                 }
 508                 this.activeZoneInstance = instance;
 509                 this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_ZONE_INSTANCE_SELECTED, instance);
 510                 this.store.dispatch(new SetSelectedComponentAction({
 511                     component: instance.instanceData,
 512                     type: SelectedComponentType[ZoneInstanceType[instance.type]]
 513                 }));
 514             }
 515             if (newMode === ZoneInstanceMode.TAG) {
 516                 this.compositionGraphZoneUtils.startCyTagMode(this._cy);
 517                 this.zoneTagMode = this.zones[zoneId].getTagModeId();
 518                 this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_CANVAS_TAG_START, zoneId);
 519             }
 520         }
 521     }
 522
 523     private zoneInstanceTagged = (taggedInstance: ZoneInstance) => {
 524         this.activeZoneInstance.addOrRemoveAssignment(taggedInstance.instanceData.uniqueId, ZoneInstanceAssignmentType.GROUPS);
 525         const newHandle: string = this.compositionGraphZoneUtils.getCorrectHandleForNode(taggedInstance.instanceData.uniqueId, this.activeZoneInstance);
 526         taggedInstance.showHandle(newHandle);
 527     }
 528
 529     private unsetActiveZoneInstance = (): void => {
 530         if (this.activeZoneInstance) {
 531             this.activeZoneInstance.mode = ZoneInstanceMode.NONE;
 532             this.activeZoneInstance = null;
 533             this.zoneTagMode = null;
 534         }
 535     }
 536
 537     private selectComponentInstance = (componentInstance: ComponentInstance) => {
 538         this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_NODE_SELECTED, componentInstance);
 539         this.store.dispatch(new SetSelectedComponentAction({
 540             component: componentInstance,
 541             type: SelectedComponentType.COMPONENT_INSTANCE
 542         }));
 543     }
 544
 545     private selectTopologyTemplate = () => {
 546         this.store.dispatch(new SetSelectedComponentAction({
 547             component: this.topologyTemplate,
 548             type: SelectedComponentType.TOPOLOGY_TEMPLATE
 549         }));
 550     }
 551
 552     private zoneBackgroundClicked = (): void => {
 553         if (!this.zoneTagMode && this.activeZoneInstance) {
 554             this.unsetActiveZoneInstance();
 555             this.selectTopologyTemplate();
 556         }
 557     }
 558
 559     private zoneAssignmentSaveStart = () => {
 560         this.loaderService.activate();
 561     }
 562
 563     private zoneAssignmentSaveComplete = (success: boolean) => {
 564         this.loaderService.deactivate();
 565         if (!success) {
 566             this.notificationService.push(new NotificationSettings('error', 'Update Failed', 'Error'));
 567         }
 568     }
 569
 570     private deleteZoneInstance = (deletedInstance: UIZoneInstanceObject) => {
 571         if (deletedInstance.type === ZoneInstanceType.POLICY) {
 572             this.compositionService.policies = this.compositionService.policies.filter((policy) => policy.uniqueId !== deletedInstance.uniqueId);
 573         } else if (deletedInstance.type === ZoneInstanceType.GROUP) {
 574             this.compositionService.groupInstances = this.compositionService.groupInstances.filter((group) => group.uniqueId !== deletedInstance.uniqueId);
 575         }
 576         // remove it from zones
 577         this.zones[deletedInstance.type].removeInstance(deletedInstance.uniqueId);
 578         if (deletedInstance.type === ZoneInstanceType.GROUP && !_.isEmpty(this.zones[ZoneInstanceType.POLICY])) {
 579             this.compositionGraphZoneUtils.updateTargetsOrMembersOnCanvasDelete(deletedInstance.uniqueId, [this.zones[ZoneInstanceType.POLICY]], ZoneInstanceAssignmentType.GROUPS);
 580         }
 581         this.selectTopologyTemplate();
 582     }
 583     // -------------------------------------------------------------------------------------------------------------//
 584
 585     private registerCustomEvents() {
 586
 587         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_GROUP_INSTANCE_UPDATE, (groupInstance: GroupInstance) => {
 588             this.compositionGraphZoneUtils.findAndUpdateZoneInstanceData(this.zones, groupInstance);
 589             this.notificationService.push(new NotificationSettings('success', 'Group Updated', 'Success'));
 590         });
 591
 592         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_POLICY_INSTANCE_UPDATE, (policyInstance: PolicyInstance) => {
 593             this.compositionGraphZoneUtils.findAndUpdateZoneInstanceData(this.zones, policyInstance);
 594             this.notificationService.push(new NotificationSettings('success', 'Policy Updated', 'Success'));
 595         });
 596
 597         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_HOVER_IN, (leftPaletteComponent: LeftPaletteComponent) => {
 598             this.compositionGraphPaletteUtils.onComponentHoverIn(leftPaletteComponent, this._cy);
 599         });
 600
 601         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_ADD_ZONE_INSTANCE_FROM_PALETTE,
 602             (component: TopologyTemplate, paletteComponent: LeftPaletteComponent, startPosition: Point) => {
 603
 604                 const zoneType: ZoneInstanceType = this.compositionGraphZoneUtils.getZoneTypeForPaletteComponent(paletteComponent.categoryType);
 605                 this.compositionGraphZoneUtils.showZone(this.zones[zoneType]);
 606
 607                 this.loaderService.activate();
 608                 this.compositionGraphZoneUtils.createZoneInstanceFromLeftPalette(zoneType, paletteComponent.type).subscribe((zoneInstance: ZoneInstance) => {
 609                     this.loaderService.deactivate();
 610                     this.compositionGraphZoneUtils.addInstanceToZone(this.zones[zoneInstance.type], zoneInstance, true);
 611                     this.compositionGraphZoneUtils.createPaletteToZoneAnimation(startPosition, zoneType, zoneInstance);
 612                 }, (error) => {
 613                     this.loaderService.deactivate();
 614                 });
 615             });
 616
 617         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_HOVER_OUT, () => {
 618             this._cy.emit('hidehandles');
 619             this.matchCapabilitiesRequirementsUtils.resetFadedNodes(this._cy);
 620         });
 621
 622         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_DRAG_START, (dragElement, dragComponent) => {
 623             this.dragElement = dragElement;
 624             this.dragComponent = ComponentInstanceFactory.createComponentInstanceFromComponent(dragComponent);
 625         });
 626
 627         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_DRAG_ACTION, (position: Point) => {
 628             const draggedElement = document.getElementById('draggable_element');
 629             draggedElement.className = this.compositionGraphPaletteUtils.isDragValid(this._cy, position) ? 'valid-drag' : 'invalid-drag';
 630         });
 631
 632         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_DROP, (event: DndDropEvent) => {
 633             this.onDrop(event);
 634         });
 635
 636         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_COMPONENT_INSTANCE_NAME_CHANGED, (component: ComponentInstance) => {
 637             const selectedNode = this._cy.getElementById(component.uniqueId);
 638             selectedNode.data().componentInstance.name = component.name;
 639             selectedNode.data('name', component.name); // used for tooltip
 640             selectedNode.data('displayName', selectedNode.data().getDisplayName()); // abbreviated
 641         });
 642
 643         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_DELETE_COMPONENT_INSTANCE, (componentInstanceId: string) => {
 644             const nodeToDelete = this._cy.getElementById(componentInstanceId);
 645             this.nodesGraphUtils.deleteNode(this._cy, this.topologyTemplate, nodeToDelete);
 646             this.selectTopologyTemplate();
 647         });
 648
 649         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_DELETE_ZONE_INSTANCE, (deletedInstance: UIZoneInstanceObject) => {
 650             this.deleteZoneInstance(deletedInstance);
 651         });
 652
 653         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_DELETE_COMPONENT_INSTANCE_SUCCESS, (componentInstanceId: string) => {
 654             if (!_.isEmpty(this.zones)) {
 655                 this.compositionGraphZoneUtils.updateTargetsOrMembersOnCanvasDelete(componentInstanceId, this.zones, ZoneInstanceAssignmentType.COMPONENT_INSTANCES);
 656             }
 657         });
 658
 659         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_DELETE_EDGE, (releaseLoading: boolean, linksToDelete: Cy.CollectionEdges) => {
 660             this.compositionGraphLinkUtils.deleteLink(this._cy, this.topologyTemplate, releaseLoading, linksToDelete);
 661         });
 662
 663         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_VERSION_CHANGED, (component: ComponentInstance) => {
 664             // Remove everything from graph and reload it all
 665             this._cy.elements().remove();
 666             this.loadCompositionData();
 667             setTimeout(() => { this._cy.getElementById(component.uniqueId).select(); }, 1000);
 668             this.selectComponentInstance(component);
 669         });
 670         this.eventListenerService.registerObserverCallback(DEPENDENCY_EVENTS.ON_DEPENDENCY_CHANGE, (ischecked: boolean) => {
 671             if (ischecked) {
 672                 this._cy.$('node:selected').addClass('dependent');
 673             } else {
 674                 // due to defect in cytoscape, just changing the class does not replace the icon, and i need to revert to original icon with no markings.
 675                 this._cy.$('node:selected').removeClass('dependent');
 676                 this._cy.$('node:selected').style({'background-image': this._cy.$('node:selected').data('originalImg')});
 677             }
 678         });
 679     }
 680     private createLinkFromMenu = (): void => {
 681         this.saveChangedCapabilityProperties().then(() => {
 682             this.compositionGraphLinkUtils.createLinkFromMenu(this._cy, this.connectionWizardService.selectedMatch);
 683         });
 684     }
 685
 686     private deleteRelation = (link: Cy.CollectionEdges) => {
 687         // if multiple edges selected, delete the VL itself so edges get deleted automatically
 688         if (this._cy.$('edge:selected').length > 1) {
 689             this.nodesGraphUtils.deleteNode(this._cy, this.topologyTemplate, this._cy.$('node:selected'));
 690         } else {
 691             this.compositionGraphLinkUtils.deleteLink(this._cy, this.topologyTemplate, true, link);
 692         }
 693     }
 694
 695     private viewRelation = (link: Cy.CollectionEdges) => {
 696
 697         const linkData = link.data();
 698         const sourceNode: CompositionCiNodeBase = link.source().data();
 699         const targetNode: CompositionCiNodeBase = link.target().data();
 700         const relationship: Relationship = linkData.relation.relationships[0];
 701
 702         this.compositionGraphLinkUtils.getRelationRequirementCapability(relationship, sourceNode.componentInstance, targetNode.componentInstance).then((objReqCap) => {
 703             const capability = objReqCap.capability;
 704             const requirement = objReqCap.requirement;
 705
 706             this.connectionWizardService.connectRelationModel = new ConnectRelationModel(sourceNode, targetNode, []);
 707             this.connectionWizardService.selectedMatch = new Match(requirement, capability, true, linkData.source, linkData.target);
 708             this.connectionWizardService.selectedMatch.relationship = relationship;
 709
 710             const title = `Connection Properties`;
 711             const saveButton: ButtonModel = new ButtonModel('Save', 'blue', () => {
 712                 this.saveChangedCapabilityProperties().then(() => {
 713                     this.modalService.closeCurrentModal();
 714                 });
 715             });
 716             const cancelButton: ButtonModel = new ButtonModel('Cancel', 'white', () => {
 717                 this.modalService.closeCurrentModal();
 718             });
 719             const modal = new ModalModel('xl', title, '', [saveButton, cancelButton]);
 720             const modalInstance = this.modalService.createCustomModal(modal);
 721             this.modalService.addDynamicContentToModal(modalInstance, ConnectionPropertiesViewComponent);
 722             modalInstance.instance.open();
 723
 724             new Promise((resolve) => {
 725                 if (!this.connectionWizardService.selectedMatch.capability.properties) {
 726                     this.componentInstanceService.getInstanceCapabilityProperties(this.topologyTemplateType, this.topologyTemplateId, linkData.target, capability)
 727                         .subscribe(() => {
 728                             resolve();
 729                         }, () => { /* do nothing */ });
 730                 } else {
 731                     resolve();
 732                 }
 733             }).then(() => {
 734                 this.modalService.addDynamicContentToModal(modalInstance, ConnectionPropertiesViewComponent);
 735             });
 736         }, () => { /* do nothing */ });
 737     }
 738
 739     private openModifyLinkMenu = (linkMenuObject: LinkMenu, $event) => {
 740
 741         const menuConfig: menuItem[] = [{
 742             text: 'View',
 743             iconName: 'eye-o',
 744             iconType: 'common',
 745             iconMode: 'secondary',
 746             iconSize: 'small',
 747             type: '',
 748             action: () => this.viewRelation(linkMenuObject.link as Cy.CollectionEdges)
 749         }];
 750
 751         if (!this.isViewOnly()) {
 752             menuConfig.push({
 753                 text: 'Delete',
 754                 iconName: 'trash-o',
 755                 iconType: 'common',
 756                 iconMode: 'secondary',
 757                 iconSize: 'small',
 758                 type: '',
 759                 action: () => this.deleteRelation(linkMenuObject.link as Cy.CollectionEdges)
 760             });
 761         }
 762         this.simplePopupMenuService.openBaseMenu(menuConfig, {
 763             x: $event.originalEvent.x,
 764             y: $event.originalEvent.y
 765         });
 766     }
 767
 768 }