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     Requirement
  29 } from 'app/models';
  30 import { ForwardingPath } from 'app/models/forwarding-path';
  31 import { CompositionCiServicePathLink } from 'app/models/graph/graph-links/composition-graph-links/composition-ci-service-path-link';
  32 import { UIZoneInstanceObject } from 'app/models/ui-models/ui-zone-instance-object';
  33 import { CompositionService } from 'app/ng2/pages/composition/composition.service';
  34 import { CommonGraphUtils } from 'app/ng2/pages/composition/graph/common/common-graph-utils';
  35 import { ComponentInstanceNodesStyle } from 'app/ng2/pages/composition/graph/common/style/component-instances-nodes-style';
  36 import { ConnectionPropertiesViewComponent } from 'app/ng2/pages/composition/graph/connection-wizard/connection-properties-view/connection-properties-view.component';
  37 import { ConnectionWizardHeaderComponent } from 'app/ng2/pages/composition/graph/connection-wizard/connection-wizard-header/connection-wizard-header.component';
  38 import { ConnectionWizardService } from 'app/ng2/pages/composition/graph/connection-wizard/connection-wizard.service';
  39 import { FromNodeStepComponent } from 'app/ng2/pages/composition/graph/connection-wizard/from-node-step/from-node-step.component';
  40 import { PropertiesStepComponent } from 'app/ng2/pages/composition/graph/connection-wizard/properties-step/properties-step.component';
  41 import { ToNodeStepComponent } from 'app/ng2/pages/composition/graph/connection-wizard/to-node-step/to-node-step.component';
  42 import { WorkspaceService } from 'app/ng2/pages/workspace/workspace.service';
  43 import { ComponentInstanceServiceNg2 } from 'app/ng2/services/component-instance-services/component-instance.service';
  44 import { TopologyTemplateService } from 'app/ng2/services/component-services/topology-template.service';
  45 import { ModalService } from 'app/ng2/services/modal.service';
  46 import { ComponentGenericResponse } from 'app/ng2/services/responses/component-generic-response';
  47 import { ServiceGenericResponse } from 'app/ng2/services/responses/service-generic-response';
  48 import { WorkspaceState } from 'app/ng2/store/states/workspace.state';
  49 import { EventListenerService } from 'app/services';
  50 import { ComponentInstanceFactory, EVENTS, SdcElementType } from 'app/utils';
  51 import { ComponentType, GRAPH_EVENTS, GraphColors, DEPENDENCY_EVENTS , SUBSTITUTION_FILTER_EVENTS} from 'app/utils/constants';
  52 import * as _ from 'lodash';
  53 import { DndDropEvent } from 'ngx-drag-drop/ngx-drag-drop';
  54 import { SdcUiServices } from 'onap-ui-angular';
  55 import { NotificationSettings } from 'onap-ui-angular/dist/notifications/utilities/notification.config';
  56 import { menuItem } from 'onap-ui-angular/dist/simple-popup-menu/menu-data.interface';
  57 import { CytoscapeEdgeEditation } from '../../../../../third-party/cytoscape.js-edge-editation/CytoscapeEdgeEditation.js';
  58 import { SelectedComponentType, SetSelectedComponentAction } from '../common/store/graph.actions';
  59 import { GraphState } from '../common/store/graph.state';
  60 import {
  61     CompositionGraphGeneralUtils,
  62     CompositionGraphNodesUtils,
  63     CompositionGraphZoneUtils,
  64     MatchCapabilitiesRequirementsUtils
  65 } from './utils';
  66 import { CompositionGraphLinkUtils } from './utils/composition-graph-links-utils';
  67 import { CompositionGraphPaletteUtils } from './utils/composition-graph-palette-utils';
  68 import { ServicePathGraphUtils } from './utils/composition-graph-service-path-utils';
  69 import { RelationshipOperationsStepComponent } from "app/ng2/pages/composition/graph/connection-wizard/relationship-operations-step/relationship-operations-step.component";
  70
  71 declare const window: any;
  72
  73 @Component({
  74     selector: 'composition-graph',
  75     templateUrl: './composition-graph.component.html',
  76     styleUrls: ['./composition-graph.component.less']
  77 })
  78
  79 export class CompositionGraphComponent implements AfterViewInit {
  80
  81     @Select(WorkspaceState.isViewOnly) isViewOnly$: boolean;
  82     @Select(GraphState.withSidebar) withSidebar$: boolean;
  83     @Input() topologyTemplate: TopologyTemplate;
  84     @HostBinding('attr.data-tests-id') dataTestId: string;
  85     @Input() testId: string;
  86
  87     // tslint:disable:variable-name
  88     private _cy: Cy.Instance;
  89     private zoneTagMode: string;
  90     private activeZoneInstance: ZoneInstance;
  91     private zones: Zone[];
  92     private currentlyClickedNodePosition: Cy.Position;
  93     private dragElement: JQuery;
  94     private dragComponent: ComponentInstance;
  95     private componentInstanceNames: string[];
  96     private topologyTemplateId: string;
  97     private topologyTemplateType: string;
  98
  99     constructor(private elRef: ElementRef,
 100                 private nodesFactory: NodesFactory,
 101                 private eventListenerService: EventListenerService,
 102                 private compositionGraphZoneUtils: CompositionGraphZoneUtils,
 103                 private generalGraphUtils: CompositionGraphGeneralUtils,
 104                 private compositionGraphLinkUtils: CompositionGraphLinkUtils,
 105                 private nodesGraphUtils: CompositionGraphNodesUtils,
 106                 private connectionWizardService: ConnectionWizardService,
 107                 private commonGraphUtils: CommonGraphUtils,
 108                 private modalService: ModalService,
 109                 private compositionGraphPaletteUtils: CompositionGraphPaletteUtils,
 110                 private topologyTemplateService: TopologyTemplateService,
 111                 private componentInstanceService: ComponentInstanceServiceNg2,
 112                 private matchCapabilitiesRequirementsUtils: MatchCapabilitiesRequirementsUtils,
 113                 private store: Store,
 114                 private compositionService: CompositionService,
 115                 private loaderService: SdcUiServices.LoaderService,
 116                 private workspaceService: WorkspaceService,
 117                 private notificationService: SdcUiServices.NotificationsService,
 118                 private simplePopupMenuService: SdcUiServices.simplePopupMenuService,
 119                 private servicePathGraphUtils: ServicePathGraphUtils) {
 120     }
 121
 122     ngOnInit() {
 123         this.dataTestId = this.testId;
 124         this.topologyTemplateId = this.workspaceService.metadata.uniqueId;
 125         this.topologyTemplateType = this.workspaceService.metadata.componentType;
 126
 127         this.store.dispatch(new SetSelectedComponentAction({
 128             component: this.topologyTemplate,
 129             type: SelectedComponentType.TOPOLOGY_TEMPLATE
 130         }));
 131         this.eventListenerService.registerObserverCallback(EVENTS.ON_CHECKOUT, () => {
 132             this.loadGraphData();
 133         });
 134         this.loadCompositionData();
 135     }
 136
 137     ngAfterViewInit() {
 138         this.loadGraph();
 139     }
 140
 141     ngOnDestroy() {
 142         this._cy.destroy();
 143         _.forEach(GRAPH_EVENTS, (event) => {
 144             this.eventListenerService.unRegisterObserver(event);
 145         });
 146         this.eventListenerService.unRegisterObserver(EVENTS.ON_CHECKOUT);
 147         this.eventListenerService.unRegisterObserver(DEPENDENCY_EVENTS.ON_DEPENDENCY_CHANGE);
 148         this.eventListenerService.unRegisterObserver(SUBSTITUTION_FILTER_EVENTS.ON_SUBSTITUTION_FILTER_CHANGE);
 149     }
 150
 151     public isViewOnly = (): boolean => {
 152         return this.store.selectSnapshot((state) => state.workspace.isViewOnly);
 153     }
 154
 155     public zoom = (zoomIn: boolean): void => {
 156         const currentZoom: number = this._cy.zoom();
 157         if (zoomIn) {
 158             this.generalGraphUtils.zoomGraphTo(this._cy, currentZoom + .1);
 159         } else {
 160             this.generalGraphUtils.zoomGraphTo(this._cy, currentZoom - .1);
 161         }
 162     }
 163
 164     public zoomAllWithoutSidebar = () => {
 165         setTimeout(() => { // wait for sidebar changes to take effect before zooming
 166             this.generalGraphUtils.zoomAll(this._cy);
 167         });
 168     }
 169
 170     public getAutoCompleteValues = (searchTerm: string) => {
 171         if (searchTerm.length > 1) { // US requirement: only display search results after 2nd letter typed.
 172             const nodes: Cy.CollectionNodes = this.nodesGraphUtils.getMatchingNodesByName(this._cy, searchTerm);
 173             this.componentInstanceNames = _.map(nodes, (node) => node.data('name'));
 174         } else {
 175             this.componentInstanceNames = [];
 176         }
 177     }
 178
 179     public highlightSearchMatches = (searchTerm: string) => {
 180         this.nodesGraphUtils.highlightMatchingNodesByName(this._cy, searchTerm);
 181         const matchingNodes: Cy.CollectionNodes = this.nodesGraphUtils.getMatchingNodesByName(this._cy, searchTerm);
 182         this.generalGraphUtils.zoomAll(this._cy, matchingNodes);
 183     }
 184
 185     public onDrop = (dndEvent: DndDropEvent) => {
 186         this.compositionGraphPaletteUtils.addNodeFromPalette(this._cy, dndEvent);
 187     }
 188
 189     public openServicePathMenu = ($event): void => {
 190
 191         const menuConfig: menuItem[] = [];
 192         if (!this.isViewOnly()) {
 193             menuConfig.push({
 194                 text: 'Create Service Flow',
 195                 action: () => this.servicePathGraphUtils.onCreateServicePath()
 196             });
 197         }
 198         menuConfig.push({
 199             text: 'Service Flows List',
 200             type: '',
 201             action: () => this.servicePathGraphUtils.onListServicePath()
 202         });
 203         const popup = this.simplePopupMenuService.openBaseMenu(menuConfig, {
 204             x: $event.x,
 205             y: $event.y
 206         });
 207
 208     }
 209
 210     public deletePathsOnCy = () => {
 211         this.servicePathGraphUtils.deletePathsFromGraph(this._cy);
 212     }
 213
 214     public drawPathOnCy = (data: ForwardingPath) => {
 215         this.servicePathGraphUtils.drawPath(this._cy, data);
 216     }
 217
 218     public onTapEnd = (event: Cy.EventObject) => {
 219         if (this.zoneTagMode) {
 220             return;
 221         }
 222         if (event.cyTarget === this._cy) { // On Background clicked
 223             if (this._cy.$('node:selected').length === 0) { // if the background click but not dragged
 224                 if (this.activeZoneInstance) {
 225                     this.unsetActiveZoneInstance();
 226                     this.selectTopologyTemplate();
 227                 } else {
 228                     this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_GRAPH_BACKGROUND_CLICKED);
 229                     this.selectTopologyTemplate();
 230                 }
 231
 232             }
 233         } else if (event.cyTarget[0].isEdge()) { // and Edge clicked
 234             this.compositionGraphLinkUtils.handleLinkClick(this._cy, event);
 235             if (event.cyTarget[0].data().type === CompositionCiServicePathLink.LINK_TYPE) {
 236                 return;
 237             }
 238             this.openModifyLinkMenu(this.compositionGraphLinkUtils.getModifyLinkMenu(event.cyTarget[0], event), event);
 239         } else { // On Node clicked
 240
 241             this._cy.nodes(':grabbed').style({'overlay-opacity': 0});
 242
 243             const newPosition = event.cyTarget[0].position();
 244             // node position changed (drop after drag event) - we need to update position
 245             if (this.currentlyClickedNodePosition.x !== newPosition.x || this.currentlyClickedNodePosition.y !== newPosition.y) {
 246                 const nodesMoved: Cy.CollectionNodes = this._cy.$(':grabbed');
 247                 this.nodesGraphUtils.onNodesPositionChanged(this._cy, this.topologyTemplate, nodesMoved);
 248             } else {
 249                 if (this.activeZoneInstance) {
 250                     this.unsetActiveZoneInstance();
 251                 }
 252                 this.selectComponentInstance(event.cyTarget[0].data().componentInstance);
 253             }
 254         }
 255     }
 256
 257     private registerCytoscapeGraphEvents() {
 258
 259         this._cy.on('addedgemouseup', (event, data) => {
 260             const connectRelationModel: ConnectRelationModel = this.compositionGraphLinkUtils.onLinkDrawn(this._cy, data.source, data.target);
 261             if (connectRelationModel != null) {
 262                 this.connectionWizardService.setRelationMenuDirectiveObj(connectRelationModel);
 263                 this.connectionWizardService.selectedMatch = null;
 264
 265                 const steps: StepModel[] = [];
 266                 const fromNodeName: string = connectRelationModel.fromNode.componentInstance.name;
 267                 const toNodeName: string = connectRelationModel.toNode.componentInstance.name;
 268                 steps.push(new StepModel(fromNodeName, FromNodeStepComponent));
 269                 steps.push(new StepModel(toNodeName, ToNodeStepComponent));
 270                 steps.push(new StepModel('Properties', PropertiesStepComponent));
 271                 steps.push(new StepModel('Operations', RelationshipOperationsStepComponent));
 272                 const wizardTitle = 'Connect: ' + fromNodeName + ' to ' + toNodeName;
 273                 const modalInstance = this.modalService.createMultiStepsWizard(wizardTitle, steps, this.createLinkFromMenu, ConnectionWizardHeaderComponent);
 274                 modalInstance.instance.open();
 275             }
 276         });
 277
 278         this._cy.on('tapstart', 'node', (event: Cy.EventObject) => {
 279             this.currentlyClickedNodePosition = angular.copy(event.cyTarget[0].position()); // update node position on drag
 280         });
 281
 282         this._cy.on('drag', 'node', (event: Cy.EventObject) => {
 283             if (event.cyTarget.data().componentSubType !== SdcElementType.POLICY && event.cyTarget.data().componentSubType !== SdcElementType.GROUP) {
 284                 event.cyTarget.style({'overlay-opacity': 0.24});
 285                 if (this.generalGraphUtils.isValidDrop(this._cy, event.cyTarget)) {
 286                     event.cyTarget.style({'overlay-color': GraphColors.NODE_BACKGROUND_COLOR});
 287                 } else {
 288                     event.cyTarget.style({'overlay-color': GraphColors.NODE_OVERLAPPING_BACKGROUND_COLOR});
 289                 }
 290             }
 291         });
 292
 293         this._cy.on('handlemouseover', (event, payload) => {
 294             // no need to add opacity while we are dragging and hovering othe nodes- or if opacity was already calculated for these nodes
 295             if (payload.node.grabbed() || this._cy.scratch('_edge_editation_highlights') === true) {
 296                 return;
 297             }
 298
 299             if (this.zoneTagMode) {
 300                 this.zoneTagMode = this.zones[this.activeZoneInstance.type].getHoverTagModeId();
 301                 return;
 302             }
 303
 304             const nodesData = this.nodesGraphUtils.getAllNodesData(this._cy.nodes());
 305             const nodesLinks = this.generalGraphUtils.getAllCompositionCiLinks(this._cy);
 306             const instance = payload.node.data().componentInstance;
 307             const filteredNodesData = this.matchCapabilitiesRequirementsUtils.findMatchingNodesToComponentInstance(instance, nodesData, nodesLinks);
 308             this.matchCapabilitiesRequirementsUtils.highlightMatchingComponents(filteredNodesData, this._cy);
 309             this.matchCapabilitiesRequirementsUtils.fadeNonMachingComponents(filteredNodesData, nodesData, this._cy, payload.node.data());
 310
 311             this._cy.scratch()._edge_editation_highlights = true;
 312         });
 313
 314         this._cy.on('handlemouseout', () => {
 315             if (this.zoneTagMode) {
 316                 this.zoneTagMode = this.zones[this.activeZoneInstance.type].getTagModeId();
 317                 return;
 318             }
 319             if (this._cy.scratch('_edge_editation_highlights') === true) {
 320                 this._cy.removeScratch('_edge_editation_highlights');
 321                 this._cy.emit('hidehandles');
 322                 this.matchCapabilitiesRequirementsUtils.resetFadedNodes(this._cy);
 323             }
 324         });
 325
 326         this._cy.on('tapend', (event: Cy.EventObject) => {
 327             this.onTapEnd(event);
 328         });
 329
 330         this._cy.on('boxselect', 'node', (event: Cy.EventObject) => {
 331             this.unsetActiveZoneInstance();
 332             this.selectComponentInstance(event.cyTarget.data().componentInstance);
 333         });
 334
 335         this._cy.on('canvasredraw', (event: Cy.EventObject) => {
 336             if (this.zoneTagMode) {
 337                 this.compositionGraphZoneUtils.showZoneTagIndications(this._cy, this.activeZoneInstance);
 338             }
 339         });
 340
 341         this._cy.on('handletagclick', (event: Cy.EventObject, eventData: any) => {
 342             this.compositionGraphZoneUtils.handleTagClick(this._cy, this.activeZoneInstance, eventData.nodeId);
 343         });
 344     }
 345
 346     private initViewMode() {
 347
 348         if (this.isViewOnly()) {
 349             // remove event listeners
 350             this._cy.off('drag');
 351             this._cy.off('handlemouseout');
 352             this._cy.off('handlemouseover');
 353             this._cy.off('canvasredraw');
 354             this._cy.off('handletagclick');
 355             this._cy.edges().unselectify();
 356         }
 357     }
 358
 359     private saveChangedCapabilityProperties = (): Promise<PropertyBEModel[]> => {
 360         return new Promise<PropertyBEModel[]>((resolve) => {
 361             const capabilityPropertiesBE: PropertyBEModel[] = this.connectionWizardService.changedCapabilityProperties.map((prop) => {
 362                 prop.value = prop.getJSONValue();
 363                 const propBE = new PropertyBEModel(prop);
 364                 propBE.parentUniqueId = this.connectionWizardService.selectedMatch.relationship.relation.capabilityOwnerId;
 365                 return propBE;
 366             });
 367             if (capabilityPropertiesBE.length > 0) {
 368                 // if there are capability properties to update, then first update capability properties and then resolve promise
 369                 this.componentInstanceService
 370                     .updateInstanceCapabilityProperties(
 371                         this.topologyTemplate,
 372                         this.connectionWizardService.selectedMatch.toNode,
 373                         this.connectionWizardService.selectedMatch.capability,
 374                         capabilityPropertiesBE
 375                     )
 376                     .subscribe((response) => {
 377                         console.log('Update resource instance capability properties response: ', response);
 378                         this.connectionWizardService.changedCapabilityProperties = [];
 379                         resolve(capabilityPropertiesBE);
 380                     });
 381             } else {
 382                 // no capability properties to update, immediately resolve promise
 383                 resolve(capabilityPropertiesBE);
 384             }
 385         });
 386     }
 387
 388     private loadCompositionData = () => {
 389         this.loaderService.activate();
 390         this.topologyTemplateService.getComponentCompositionData(this.topologyTemplateId, this.topologyTemplateType).subscribe((response: ComponentGenericResponse) => {
 391             if (this.topologyTemplateType === ComponentType.SERVICE) {
 392                 this.compositionService.forwardingPaths = (response as ServiceGenericResponse).forwardingPaths;
 393             }
 394             this.compositionService.componentInstances = response.componentInstances;
 395             this.compositionService.componentInstancesRelations = response.componentInstancesRelations;
 396             this.compositionService.groupInstances = response.groupInstances;
 397             this.compositionService.policies = response.policies;
 398             this.loadGraphData();
 399             this.loaderService.deactivate();
 400         }, (error) => { this.loaderService.deactivate(); });
 401     }
 402
 403     private loadGraph = () => {
 404         const graphEl = this.elRef.nativeElement.querySelector('.sdc-composition-graph-wrapper');
 405         this.initGraph(graphEl);
 406         this.zones = this.compositionGraphZoneUtils.createCompositionZones();
 407         this.registerCytoscapeGraphEvents();
 408         this.registerCustomEvents();
 409         this.initViewMode();
 410     }
 411
 412     private initGraphNodes() {
 413
 414         setTimeout(() => {
 415             const handles = new CytoscapeEdgeEditation();
 416             handles.init(this._cy);
 417             if (!this.isViewOnly()) { // Init nodes handle extension - enable dynamic links
 418                 handles.initNodeEvents();
 419                 handles.registerHandle(ComponentInstanceNodesStyle.getAddEdgeHandle());
 420             }
 421             handles.registerHandle(ComponentInstanceNodesStyle.getTagHandle());
 422             handles.registerHandle(ComponentInstanceNodesStyle.getTaggedPolicyHandle());
 423             handles.registerHandle(ComponentInstanceNodesStyle.getTaggedGroupHandle());
 424         }, 0);
 425
 426         _.each(this.compositionService.componentInstances, (instance) => {
 427             const compositionGraphNode: CompositionCiNodeBase = this.nodesFactory.createNode(instance);
 428             this.commonGraphUtils.addComponentInstanceNodeToGraph(this._cy, compositionGraphNode);
 429         });
 430
 431     }
 432
 433     private loadGraphData = () => {
 434         this.initGraphNodes();
 435         this.compositionGraphLinkUtils.initGraphLinks(this._cy, this.compositionService.componentInstancesRelations);
 436         this.compositionGraphZoneUtils.initZoneInstances(this.zones);
 437         setTimeout(() => { // Need setTimeout so that angular canvas changes will take effect before resize & center
 438             this.generalGraphUtils.zoomAllWithMax(this._cy, 1);
 439         });
 440         this.componentInstanceNames = _.map(this._cy.nodes(), (node) => node.data('name'));
 441     }
 442
 443     private initGraph(graphEl: JQuery) {
 444
 445         this._cy = cytoscape({
 446             container: graphEl,
 447             style: ComponentInstanceNodesStyle.getCompositionGraphStyle(),
 448             zoomingEnabled: true,
 449             maxZoom: 1.2,
 450             minZoom: .1,
 451             userZoomingEnabled: false,
 452             userPanningEnabled: true,
 453             selectionType: 'single',
 454             boxSelectionEnabled: true,
 455             autolock: this.isViewOnly(),
 456             autoungrabify: this.isViewOnly()
 457         });
 458
 459         // Testing Bridge that allows Cypress tests to select a component on canvas not via DOM
 460         if (window.Cypress) {
 461             window.testBridge = this.createCanvasTestBridge();
 462         }
 463     }
 464
 465     private createCanvasTestBridge(): any {
 466         return {
 467             selectComponentInstance: (componentName: string) => {
 468                 const matchingNodesByName = this.nodesGraphUtils.getMatchingNodesByName(this._cy, componentName);
 469                 const component = new ComponentInstance(matchingNodesByName.first().data().componentInstance);
 470                 this.selectComponentInstance(component);
 471             }
 472         };
 473     }
 474
 475     // -------------------------------------------- ZONES---------------------------------------------------------//
 476     private zoneMinimizeToggle = (zoneType: ZoneInstanceType): void => {
 477         this.zones[zoneType].minimized = !this.zones[zoneType].minimized;
 478     }
 479
 480     private zoneInstanceModeChanged = (newMode: ZoneInstanceMode, instance: ZoneInstance, zoneId: ZoneInstanceType): void => {
 481         if (this.zoneTagMode) { // we're in tag mode.
 482             if (instance === this.activeZoneInstance && newMode === ZoneInstanceMode.NONE) { // we want to turn tag mode off.
 483                 this.zoneTagMode = null;
 484                 this.activeZoneInstance.mode = ZoneInstanceMode.SELECTED;
 485                 this.compositionGraphZoneUtils.endCyTagMode(this._cy);
 486                 this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_CANVAS_TAG_END, instance);
 487
 488             }
 489         } else {
 490             // when active zone instance gets hover/none, don't actually change mode, just show/hide indications
 491             if (instance !== this.activeZoneInstance || (instance === this.activeZoneInstance && newMode > ZoneInstanceMode.HOVER)) {
 492                 instance.mode = newMode;
 493             }
 494
 495             if (newMode === ZoneInstanceMode.NONE) {
 496                 this.compositionGraphZoneUtils.hideZoneTagIndications(this._cy);
 497                 if (this.zones[ZoneInstanceType.GROUP]) {
 498                     this.compositionGraphZoneUtils.hideGroupZoneIndications(this.zones[ZoneInstanceType.GROUP].instances);
 499                 }
 500             }
 501             if (newMode >= ZoneInstanceMode.HOVER) {
 502                 this.compositionGraphZoneUtils.showZoneTagIndications(this._cy, instance);
 503                 if (instance.type === ZoneInstanceType.POLICY && this.zones[ZoneInstanceType.GROUP]) {
 504                     this.compositionGraphZoneUtils.showGroupZoneIndications(this.zones[ZoneInstanceType.GROUP].instances, instance);
 505                 }
 506             }
 507             if (newMode >= ZoneInstanceMode.SELECTED) {
 508                 this._cy.$('node:selected').unselect();
 509                 if (this.activeZoneInstance && this.activeZoneInstance !== instance && newMode >= ZoneInstanceMode.SELECTED) {
 510                     this.activeZoneInstance.mode = ZoneInstanceMode.NONE;
 511                 }
 512                 this.activeZoneInstance = instance;
 513                 this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_ZONE_INSTANCE_SELECTED, instance);
 514                 this.store.dispatch(new SetSelectedComponentAction({
 515                     component: instance.instanceData,
 516                     type: SelectedComponentType[ZoneInstanceType[instance.type]]
 517                 }));
 518             }
 519             if (newMode === ZoneInstanceMode.TAG) {
 520                 this.compositionGraphZoneUtils.startCyTagMode(this._cy);
 521                 this.zoneTagMode = this.zones[zoneId].getTagModeId();
 522                 this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_CANVAS_TAG_START, zoneId);
 523             }
 524         }
 525     }
 526
 527     private zoneInstanceTagged = (taggedInstance: ZoneInstance) => {
 528         this.activeZoneInstance.addOrRemoveAssignment(taggedInstance.instanceData.uniqueId, ZoneInstanceAssignmentType.GROUPS);
 529         const newHandle: string = this.compositionGraphZoneUtils.getCorrectHandleForNode(taggedInstance.instanceData.uniqueId, this.activeZoneInstance);
 530         taggedInstance.showHandle(newHandle);
 531     }
 532
 533     private unsetActiveZoneInstance = (): void => {
 534         if (this.activeZoneInstance) {
 535             this.activeZoneInstance.mode = ZoneInstanceMode.NONE;
 536             this.activeZoneInstance = null;
 537             this.zoneTagMode = null;
 538         }
 539     }
 540
 541     private selectComponentInstance = (componentInstance: ComponentInstance) => {
 542         this.eventListenerService.notifyObservers(GRAPH_EVENTS.ON_NODE_SELECTED, componentInstance);
 543         this.store.dispatch(new SetSelectedComponentAction({
 544             component: componentInstance,
 545             type: SelectedComponentType.COMPONENT_INSTANCE
 546         }));
 547     }
 548
 549     private selectTopologyTemplate = () => {
 550         this.store.dispatch(new SetSelectedComponentAction({
 551             component: this.topologyTemplate,
 552             type: SelectedComponentType.TOPOLOGY_TEMPLATE
 553         }));
 554     }
 555
 556     private zoneBackgroundClicked = (): void => {
 557         if (!this.zoneTagMode && this.activeZoneInstance) {
 558             this.unsetActiveZoneInstance();
 559             this.selectTopologyTemplate();
 560         }
 561     }
 562
 563     private zoneAssignmentSaveStart = () => {
 564         this.loaderService.activate();
 565     }
 566
 567     private zoneAssignmentSaveComplete = (success: boolean) => {
 568         this.loaderService.deactivate();
 569         if (!success) {
 570             this.notificationService.push(new NotificationSettings('error', 'Update Failed', 'Error'));
 571         }
 572     }
 573
 574     private deleteZoneInstance = (deletedInstance: UIZoneInstanceObject) => {
 575         if (deletedInstance.type === ZoneInstanceType.POLICY) {
 576             this.compositionService.policies = this.compositionService.policies.filter((policy) => policy.uniqueId !== deletedInstance.uniqueId);
 577         } else if (deletedInstance.type === ZoneInstanceType.GROUP) {
 578             this.compositionService.groupInstances = this.compositionService.groupInstances.filter((group) => group.uniqueId !== deletedInstance.uniqueId);
 579         }
 580         // remove it from zones
 581         this.zones[deletedInstance.type].removeInstance(deletedInstance.uniqueId);
 582         if (deletedInstance.type === ZoneInstanceType.GROUP && !_.isEmpty(this.zones[ZoneInstanceType.POLICY])) {
 583             this.compositionGraphZoneUtils.updateTargetsOrMembersOnCanvasDelete(deletedInstance.uniqueId, [this.zones[ZoneInstanceType.POLICY]], ZoneInstanceAssignmentType.GROUPS);
 584         }
 585         this.selectTopologyTemplate();
 586     }
 587     // -------------------------------------------------------------------------------------------------------------//
 588
 589     private registerCustomEvents() {
 590
 591         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_GROUP_INSTANCE_UPDATE, (groupInstance: GroupInstance) => {
 592             this.compositionGraphZoneUtils.findAndUpdateZoneInstanceData(this.zones, groupInstance);
 593             this.notificationService.push(new NotificationSettings('success', 'Group Updated', 'Success'));
 594         });
 595
 596         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_POLICY_INSTANCE_UPDATE, (policyInstance: PolicyInstance) => {
 597             this.compositionGraphZoneUtils.findAndUpdateZoneInstanceData(this.zones, policyInstance);
 598             this.notificationService.push(new NotificationSettings('success', 'Policy Updated', 'Success'));
 599         });
 600
 601         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_HOVER_IN, (leftPaletteComponent: LeftPaletteComponent) => {
 602             this.compositionGraphPaletteUtils.onComponentHoverIn(leftPaletteComponent, this._cy);
 603         });
 604
 605         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_ADD_ZONE_INSTANCE_FROM_PALETTE,
 606             (component: TopologyTemplate, paletteComponent: LeftPaletteComponent, startPosition: Point) => {
 607
 608                 const zoneType: ZoneInstanceType = this.compositionGraphZoneUtils.getZoneTypeForPaletteComponent(paletteComponent.categoryType);
 609                 this.compositionGraphZoneUtils.showZone(this.zones[zoneType]);
 610
 611                 this.loaderService.activate();
 612                 this.compositionGraphZoneUtils.createZoneInstanceFromLeftPalette(zoneType, paletteComponent.type).subscribe((zoneInstance: ZoneInstance) => {
 613                     this.loaderService.deactivate();
 614                     this.compositionGraphZoneUtils.addInstanceToZone(this.zones[zoneInstance.type], zoneInstance, true);
 615                     this.compositionGraphZoneUtils.createPaletteToZoneAnimation(startPosition, zoneType, zoneInstance);
 616                 }, (error) => {
 617                     this.loaderService.deactivate();
 618                 });
 619             });
 620
 621         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_HOVER_OUT, () => {
 622             this._cy.emit('hidehandles');
 623             this.matchCapabilitiesRequirementsUtils.resetFadedNodes(this._cy);
 624         });
 625
 626         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_DRAG_START, (dragElement, dragComponent) => {
 627             this.dragElement = dragElement;
 628             this.dragComponent = ComponentInstanceFactory.createComponentInstanceFromComponent(dragComponent, this.workspaceService.metadata.categories[0].useServiceSubstitutionForNestedServices);
 629         });
 630
 631         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_DRAG_ACTION, (position: Point) => {
 632             const draggedElement = document.getElementById('draggable_element');
 633             draggedElement.className = this.compositionGraphPaletteUtils.isDragValid(this._cy, position) ? 'valid-drag' : 'invalid-drag';
 634         });
 635
 636         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_DROP, (event: DndDropEvent) => {
 637             this.onDrop(event);
 638         });
 639
 640         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_COMPONENT_INSTANCE_NAME_CHANGED, (component: ComponentInstance) => {
 641             const selectedNode = this._cy.getElementById(component.uniqueId);
 642             selectedNode.data().componentInstance.name = component.name;
 643             selectedNode.data('name', component.name); // used for tooltip
 644             selectedNode.data('displayName', selectedNode.data().getDisplayName()); // abbreviated
 645         });
 646
 647         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_COMPONENT_INSTANCE_REQUIREMENT_EXTERNAL_CHANGED, (uniqueId:string, requirement:Requirement) => {
 648             this._cy.getElementById(uniqueId).data().componentInstance.requirements[requirement.capability]
 649                 .find(r => r.uniqueId === requirement.uniqueId).external = requirement.external;
 650         });
 651
 652         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_DELETE_COMPONENT_INSTANCE, (componentInstanceId: string) => {
 653             const nodeToDelete = this._cy.getElementById(componentInstanceId);
 654             this.nodesGraphUtils.deleteNode(this._cy, this.topologyTemplate, nodeToDelete);
 655             this.selectTopologyTemplate();
 656         });
 657
 658         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_DELETE_ZONE_INSTANCE, (deletedInstance: UIZoneInstanceObject) => {
 659             this.deleteZoneInstance(deletedInstance);
 660         });
 661
 662         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_DELETE_COMPONENT_INSTANCE_SUCCESS, (componentInstanceId: string) => {
 663             if (!_.isEmpty(this.zones)) {
 664                 this.compositionGraphZoneUtils.updateTargetsOrMembersOnCanvasDelete(componentInstanceId, this.zones, ZoneInstanceAssignmentType.COMPONENT_INSTANCES);
 665             }
 666         });
 667
 668         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_DELETE_EDGE, (releaseLoading: boolean, linksToDelete: Cy.CollectionEdges) => {
 669             this.compositionGraphLinkUtils.deleteLink(this._cy, this.topologyTemplate, releaseLoading, linksToDelete);
 670         });
 671
 672         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_VERSION_CHANGED, (component: ComponentInstance) => {
 673             // Remove everything from graph and reload it all
 674             this._cy.elements().remove();
 675             this.loadCompositionData();
 676             setTimeout(() => { this._cy.getElementById(component.uniqueId).select(); }, 1000);
 677             this.selectComponentInstance(component);
 678         });
 679         this.eventListenerService.registerObserverCallback(DEPENDENCY_EVENTS.ON_DEPENDENCY_CHANGE, (ischecked: boolean) => {
 680             if (ischecked) {
 681                 this._cy.$('node:selected').addClass('dependent');
 682             } else {
 683                 // due to defect in cytoscape, just changing the class does not replace the icon, and i need to revert to original icon with no markings.
 684                 this._cy.$('node:selected').removeClass('dependent');
 685                 this._cy.$('node:selected').style({'background-image': this._cy.$('node:selected').data('originalImg')});
 686             }
 687         });
 688     }
 689     private createLinkFromMenu = (): void => {
 690         this.saveChangedCapabilityProperties().then(() => {
 691             this.compositionGraphLinkUtils.createLinkFromMenu(this._cy, this.connectionWizardService.selectedMatch);
 692         });
 693     }
 694
 695     private deleteRelation = (link: Cy.CollectionEdges) => {
 696         // if multiple edges selected, delete the VL itself so edges get deleted automatically
 697         if (this._cy.$('edge:selected').length > 1) {
 698             this.nodesGraphUtils.deleteNode(this._cy, this.topologyTemplate, this._cy.$('node:selected'));
 699         } else {
 700             this.compositionGraphLinkUtils.deleteLink(this._cy, this.topologyTemplate, true, link);
 701         }
 702     }
 703
 704     private viewRelation = (link: Cy.CollectionEdges) => {
 705
 706         const linkData = link.data();
 707         const sourceNode: CompositionCiNodeBase = link.source().data();
 708         const targetNode: CompositionCiNodeBase = link.target().data();
 709         const relationship: Relationship = linkData.relation.relationships[0];
 710
 711         this.compositionGraphLinkUtils.getRelationRequirementCapability(relationship, sourceNode.componentInstance, targetNode.componentInstance).then((objReqCap) => {
 712             const capability = objReqCap.capability;
 713             const requirement = objReqCap.requirement;
 714
 715             this.connectionWizardService.connectRelationModel = new ConnectRelationModel(sourceNode, targetNode, []);
 716             this.connectionWizardService.selectedMatch = new Match(requirement, capability, true, linkData.source, linkData.target);
 717             this.connectionWizardService.selectedMatch.relationship = relationship;
 718
 719             const title = `Connection Properties`;
 720             const saveButton: ButtonModel = new ButtonModel('Save', 'blue', () => {
 721                 this.saveChangedCapabilityProperties().then(() => {
 722                     this.modalService.closeCurrentModal();
 723                 });
 724             });
 725             const cancelButton: ButtonModel = new ButtonModel('Cancel', 'white', () => {
 726                 this.modalService.closeCurrentModal();
 727             });
 728             const modal = new ModalModel('xl', title, '', [saveButton, cancelButton]);
 729             const modalInstance = this.modalService.createCustomModal(modal);
 730             this.modalService.addDynamicContentToModal(modalInstance, ConnectionPropertiesViewComponent);
 731             modalInstance.instance.open();
 732
 733             new Promise((resolve) => {
 734                 if (!this.connectionWizardService.selectedMatch.capability.properties) {
 735                     this.componentInstanceService.getInstanceCapabilityProperties(this.topologyTemplateType, this.topologyTemplateId, linkData.target, capability)
 736                         .subscribe(() => {
 737                             resolve();
 738                         }, () => { /* do nothing */ });
 739                 } else {
 740                     resolve();
 741                 }
 742             }).then(() => {
 743                 this.modalService.addDynamicContentToModal(modalInstance, ConnectionPropertiesViewComponent);
 744             });
 745         }, () => { /* do nothing */ });
 746     }
 747
 748     private openModifyLinkMenu = (linkMenuObject: LinkMenu, $event) => {
 749
 750         const menuConfig: menuItem[] = [{
 751             text: 'View',
 752             iconName: 'eye-o',
 753             iconType: 'common',
 754             iconMode: 'secondary',
 755             iconSize: 'small',
 756             type: '',
 757             action: () => this.viewRelation(linkMenuObject.link as Cy.CollectionEdges)
 758         }];
 759
 760         if (!this.isViewOnly()) {
 761             menuConfig.push({
 762                 text: 'Delete',
 763                 iconName: 'trash-o',
 764                 iconType: 'common',
 765                 iconMode: 'secondary',
 766                 iconSize: 'small',
 767                 type: '',
 768                 action: () => this.deleteRelation(linkMenuObject.link as Cy.CollectionEdges)
 769             });
 770         }
 771         this.simplePopupMenuService.openBaseMenu(menuConfig, {
 772             x: $event.originalEvent.x,
 773             y: $event.originalEvent.y
 774         });
 775     }
 776
 777 }