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angular-cesium-ivy

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import { merge, of as observableOf, Subject } from 'rxjs'; import { filter, map, mergeMap, switchMap, takeUntil, tap } from 'rxjs/operators'; import { Injectable } from '@angular/core'; import { CesiumEventBuilder } from './cesium-event-builder'; import { PickOptions } from './consts/pickOptions.enum'; import { CesiumEvent } from './consts/cesium-event.enum'; import { UtilsService } from '../../utils/utils.service'; import { CesiumDragDropHelper } from './event-observers/cesium-drag-drop-helper'; import * as i0 from "@angular/core"; import * as i1 from "../cesium/cesium.service"; import * as i2 from "./cesium-event-builder"; import * as i3 from "../plonter/plonter.service"; class Registration { constructor(observable, stopper, priority, isPaused) { this.observable = observable; this.stopper = stopper; this.priority = priority; this.isPaused = isPaused; } } /** * Manages all map events. Notice events will run outside of Angular zone. * Provided by `<ac-map/>` component there for could be injected at any component under `<ac-map/>` hierarchy * or from the `<ac-map/>` component reference `acMapComponent.getMapEventsManager()` * * __usage:__ * ``` * MapEventsManagerService.register({event, modifier, priority, entityType, pickOption}).subscribe() * ``` * __param:__ {CesiumEvent} event * __param:__ {CesiumEventModifier} modifier * __param:__ priority - the bigger the number the bigger the priority. default : 0. * __param:__ entityType - entity type class that you are interested like (Track). the class must extends AcEntity * __param:__ pickOption - self explained */ export class MapEventsManagerService { constructor(cesiumService, eventBuilder, plonterService) { this.cesiumService = cesiumService; this.eventBuilder = eventBuilder; this.plonterService = plonterService; this.eventRegistrations = new Map(); } init() { this.eventBuilder.init(); this.scene = this.cesiumService.getScene(); } /** * Register to map event * @param input Event Registration Input * * @returns DisposableObservable<EventResult> */ register(input) { if (this.scene === undefined) { throw new Error('CesiumService has not been initialized yet - MapEventsManagerService must be injected under ac-map'); } input.pick = input.pick || PickOptions.NO_PICK; input.priority = input.priority || 0; input.pickConfig = input.pickConfig || {}; if (input.entityType && input.pick === PickOptions.NO_PICK) { throw new Error('MapEventsManagerService: can\'t register an event ' + 'with entityType and PickOptions.NO_PICK - It doesn\'t make sense '); } const eventName = CesiumEventBuilder.getEventFullName(input.event, input.modifier); if (!this.eventRegistrations.has(eventName)) { this.eventRegistrations.set(eventName, []); } const eventRegistration = this.createEventRegistration(input); const registrationObservable = eventRegistration.observable; registrationObservable.dispose = () => this.disposeObservable(eventRegistration, eventName); this.eventRegistrations.get(eventName).push(eventRegistration); this.sortRegistrationsByPriority(eventName); return registrationObservable; } disposeObservable(eventRegistration, eventName) { eventRegistration.stopper.next(1); const registrations = this.eventRegistrations.get(eventName); const index = registrations.indexOf(eventRegistration); if (index !== -1) { registrations.splice(index, 1); } this.sortRegistrationsByPriority(eventName); } sortRegistrationsByPriority(eventName) { const registrations = this.eventRegistrations.get(eventName); registrations.sort((a, b) => b.priority - a.priority); if (registrations.length === 0) { return; } // Active registrations by priority const currentPriority = registrations[0].priority; registrations.forEach((registration) => { registration.isPaused = registration.priority < currentPriority; }); } createEventRegistration({ event, modifier, entityType, pick: pickOption, priority, pickFilter, pickConfig, }) { const cesiumEventObservable = this.eventBuilder.get(event, modifier); const stopper = new Subject(); const registration = new Registration(undefined, stopper, priority, false); let observable; if (!CesiumDragDropHelper.dragEvents.has(event)) { observable = cesiumEventObservable.pipe(filter(() => !registration.isPaused), map((movement) => this.triggerPick(movement, pickOption, pickConfig)), filter((result) => result.cesiumEntities !== null || entityType === undefined), map((picksAndMovement) => this.addEntities(picksAndMovement, entityType, pickOption, pickFilter)), filter((result) => result.entities !== null || (entityType === undefined && !pickFilter)), switchMap((entitiesAndMovement) => this.plonter(entitiesAndMovement, pickOption)), takeUntil(stopper)); } else { observable = this.createDragEvent({ event, modifier, entityType, pick: pickOption, priority, pickFilter, pickConfig }).pipe(takeUntil(stopper)); } registration.observable = observable; return registration; } createDragEvent({ event, modifier, entityType, pick: pickOption, priority, pickFilter, pickConfig, }) { const { mouseDownEvent, mouseUpEvent } = CesiumDragDropHelper.getDragEventTypes(event); const mouseUpObservable = this.eventBuilder.get(mouseUpEvent); const mouseMoveObservable = this.eventBuilder.get(CesiumEvent.MOUSE_MOVE); const mouseDownRegistration = this.createEventRegistration({ event: mouseDownEvent, modifier, entityType, pick: pickOption, priority, pickFilter, pickConfig, }); const dropSubject = new Subject(); const dragObserver = mouseDownRegistration.observable.pipe(mergeMap(e => { let lastMove = null; const dragStartPositionX = e.movement.startPosition.x; const dragStartPositionY = e.movement.startPosition.y; return mouseMoveObservable.pipe(map((movement) => { lastMove = { movement: { drop: false, startPosition: { x: dragStartPositionX, y: dragStartPositionY, }, endPosition: movement.endPosition, }, entities: e.entities, cesiumEntities: e.cesiumEntities }; return lastMove; }), takeUntil(mouseUpObservable), tap({ complete: () => { // On complete if (lastMove) { const dropEvent = Object.assign({}, lastMove); dropEvent.movement.drop = true; dropSubject.next(dropEvent); } } })); })); return merge(dragObserver, dropSubject); } triggerPick(movement, pickOptions, pickConfig) { let picks = []; switch (pickOptions) { case PickOptions.PICK_ONE: case PickOptions.PICK_ALL: picks = this.scene.drillPick(movement.endPosition, pickConfig.drillPickLimit, pickConfig.pickWidth, pickConfig.pickHeight); picks = picks.length === 0 ? null : picks; break; case PickOptions.PICK_FIRST: const pick = this.scene.pick(movement.endPosition, pickConfig.pickWidth, pickConfig.pickHeight); picks = pick === undefined ? null : [pick]; break; case PickOptions.NO_PICK: break; default: break; } // Picks can be cesium entity or cesium primitive if (picks) { picks = picks.map((pick) => pick.id && pick.id instanceof Cesium.Entity ? pick.id : pick.primitive); } return { movement: movement, cesiumEntities: picks }; } addEntities(picksAndMovement, entityType, pickOption, pickFilter) { if (picksAndMovement.cesiumEntities === null) { picksAndMovement.entities = null; return picksAndMovement; } let entities = []; if (pickOption !== PickOptions.NO_PICK) { if (entityType) { entities = picksAndMovement.cesiumEntities.map((pick) => pick.acEntity).filter((acEntity) => { return acEntity && acEntity instanceof entityType; }); } else { entities = picksAndMovement.cesiumEntities.map((pick) => pick.acEntity); } entities = UtilsService.unique(entities); entities = (pickFilter && entities) ? entities.filter(pickFilter) : entities; if (entities.length === 0) { entities = null; } } picksAndMovement.entities = entities; return picksAndMovement; } plonter(entitiesAndMovement, pickOption) { if (pickOption === PickOptions.PICK_ONE && entitiesAndMovement.entities !== null && entitiesAndMovement.entities.length > 1) { return this.plonterService.plonterIt(entitiesAndMovement); } else { return observableOf(entitiesAndMovement); } } } MapEventsManagerService.ɵfac = function MapEventsManagerService_Factory(t) { return new (t || MapEventsManagerService)(i0.ɵɵinject(i1.CesiumService), i0.ɵɵinject(i2.CesiumEventBuilder), i0.ɵɵinject(i3.PlonterService)); }; MapEventsManagerService.ɵprov = /*@__PURE__*/ i0.ɵɵdefineInjectable({ token: MapEventsManagerService, factory: MapEventsManagerService.ɵfac }); (function () { (typeof ngDevMode === "undefined" || ngDevMode) && i0.ɵsetClassMetadata(MapEventsManagerService, [{ type: Injectable }], function () { return [{ type: i1.CesiumService }, { type: i2.CesiumEventBuilder }, { type: i3.PlonterService }]; }, null); })(); //# 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{ merge, Observable, of as observableOf, Subject } from 'rxjs';\n\nimport { filter, map, mergeMap, switchMap, takeUntil, tap } from 'rxjs/operators';\nimport { Injectable } from '@angular/core';\nimport { CesiumService } from '../cesium/cesium.service';\nimport { CesiumEventBuilder } from './cesium-event-builder';\nimport { EventRegistrationInput, PickConfiguration } from './event-registration-input';\nimport { DisposableObservable } from './disposable-observable';\nimport { PickOptions } from './consts/pickOptions.enum';\nimport { CesiumEvent } from './consts/cesium-event.enum';\nimport { PlonterService } from '../plonter/plonter.service';\nimport { UtilsService } from '../../utils/utils.service';\nimport { CesiumDragDropHelper } from './event-observers/cesium-drag-drop-helper';\n\nclass Registration {\n  constructor(public observable: Observable<EventResult>,\n              public  stopper: Subject<any>,\n              public  priority: number,\n              public  isPaused: boolean) {\n  }\n}\n\n/**\n * Returns screen position, drag boolean for drag events only\n */\nexport interface Movement {\n  startPosition: { x: number, y: number };\n  endPosition: { x: number, y: number };\n  drop?: boolean;\n}\n\nexport interface EventResult {\n  movement: Movement;\n  cesiumEntities: any[];\n  entities: any[];\n}\n\n/**\n * Manages all map events. Notice events will run outside of Angular zone.\n * Provided by `<ac-map/>` component there for could be injected at any component under `<ac-map/>` hierarchy\n * or from the `<ac-map/>` component reference `acMapComponent.getMapEventsManager()`\n *\n * __usage:__\n * ```\n * MapEventsManagerService.register({event, modifier, priority, entityType, pickOption}).subscribe()\n * ```\n * __param:__ {CesiumEvent} event\n * __param:__ {CesiumEventModifier} modifier\n * __param:__ priority - the bigger the number the bigger the priority. default : 0.\n * __param:__ entityType - entity type class that you are interested like (Track). the class must extends AcEntity\n * __param:__ pickOption - self explained\n */\n@Injectable()\nexport class MapEventsManagerService {\n\n  private scene: any;\n  private eventRegistrations = new Map<string, Registration[]>();\n\n  constructor(private cesiumService: CesiumService,\n              private eventBuilder: CesiumEventBuilder,\n              private plonterService: PlonterService) {\n  }\n\n  init() {\n    this.eventBuilder.init();\n    this.scene = this.cesiumService.getScene();\n  }\n\n  /**\n   * Register to map event\n   * @param input Event Registration Input\n   *\n   * @returns DisposableObservable<EventResult>\n   */\n  register(input: EventRegistrationInput): DisposableObservable<EventResult> {\n    if (this.scene === undefined) {\n      throw new Error('CesiumService has not been initialized yet - MapEventsManagerService must be injected  under ac-map');\n    }\n\n    input.pick = input.pick || PickOptions.NO_PICK;\n    input.priority = input.priority || 0;\n    input.pickConfig = input.pickConfig || {};\n\n    if (input.entityType && input.pick === PickOptions.NO_PICK) {\n      throw new Error('MapEventsManagerService: can\\'t register an event ' +\n        'with entityType and PickOptions.NO_PICK - It doesn\\'t make sense ');\n    }\n\n    const eventName = CesiumEventBuilder.getEventFullName(input.event, input.modifier);\n\n    if (!this.eventRegistrations.has(eventName)) {\n      this.eventRegistrations.set(eventName, []);\n    }\n\n    const eventRegistration = this.createEventRegistration(input);\n    const registrationObservable: any = eventRegistration.observable;\n    registrationObservable.dispose = () => this.disposeObservable(eventRegistration, eventName);\n    this.eventRegistrations.get(eventName).push(eventRegistration);\n\n    this.sortRegistrationsByPriority(eventName);\n    return <DisposableObservable<EventResult>>registrationObservable;\n  }\n\n  private disposeObservable(eventRegistration: Registration, eventName: string) {\n    eventRegistration.stopper.next(1);\n    const registrations = this.eventRegistrations.get(eventName);\n    const index = registrations.indexOf(eventRegistration);\n    if (index !== -1) {\n      registrations.splice(index, 1);\n    }\n    this.sortRegistrationsByPriority(eventName);\n  }\n\n  private sortRegistrationsByPriority(eventName: string) {\n    const registrations = this.eventRegistrations.get(eventName);\n    registrations.sort((a, b) => b.priority - a.priority);\n    if (registrations.length === 0) {\n      return;\n    }\n\n    // Active registrations by priority\n    const currentPriority = registrations[0].priority;\n    registrations.forEach((registration) => {\n      registration.isPaused = registration.priority < currentPriority;\n    });\n\n  }\n\n  private createEventRegistration({\n                                    event,\n                                    modifier,\n                                    entityType,\n                                    pick: pickOption,\n                                    priority,\n                                    pickFilter,\n                                    pickConfig,\n                                  }: EventRegistrationInput): Registration {\n    const cesiumEventObservable = this.eventBuilder.get(event, modifier);\n    const stopper = new Subject<any>();\n\n    const registration = new Registration(undefined, stopper, priority, false);\n    let observable: Observable<EventResult>;\n\n    if (!CesiumDragDropHelper.dragEvents.has(event)) {\n      observable = cesiumEventObservable.pipe(\n        filter(() => !registration.isPaused),\n        map((movement) => this.triggerPick(movement, pickOption, pickConfig)),\n        filter((result) => result.cesiumEntities !== null || entityType === undefined),\n        map((picksAndMovement) => this.addEntities(picksAndMovement, entityType, pickOption, pickFilter)),\n        filter((result) => result.entities !== null || (entityType === undefined && !pickFilter)),\n        switchMap((entitiesAndMovement) => this.plonter(entitiesAndMovement, pickOption)),\n        takeUntil(stopper));\n    } else {\n      observable = this.createDragEvent({\n        event,\n        modifier,\n        entityType,\n        pick: pickOption,\n        priority,\n        pickFilter,\n        pickConfig\n      }).pipe(takeUntil(stopper));\n    }\n\n    registration.observable = observable;\n    return registration;\n  }\n\n  private createDragEvent({\n                            event,\n                            modifier,\n                            entityType,\n                            pick: pickOption,\n                            priority,\n                            pickFilter,\n                            pickConfig,\n                          }: EventRegistrationInput): Observable<EventResult> {\n    const { mouseDownEvent, mouseUpEvent } = CesiumDragDropHelper.getDragEventTypes(event);\n\n    const mouseUpObservable = this.eventBuilder.get(mouseUpEvent);\n    const mouseMoveObservable = this.eventBuilder.get(CesiumEvent.MOUSE_MOVE);\n\n    const mouseDownRegistration = this.createEventRegistration({\n      event: mouseDownEvent,\n      modifier,\n      entityType,\n      pick: pickOption,\n      priority,\n      pickFilter,\n      pickConfig,\n    });\n\n    const dropSubject = new Subject<EventResult>();\n    const dragObserver = mouseDownRegistration.observable.pipe(mergeMap(e => {\n      let lastMove: any = null;\n      const dragStartPositionX = e.movement.startPosition.x;\n      const dragStartPositionY = e.movement.startPosition.y;\n      return mouseMoveObservable.pipe(map((movement) => {\n        lastMove = {\n          movement: {\n            drop: false,\n            startPosition: {\n              x: dragStartPositionX,\n              y: dragStartPositionY,\n            },\n            endPosition: movement.endPosition,\n          },\n          entities: e.entities,\n          cesiumEntities: e.cesiumEntities\n        };\n        return lastMove;\n      }), takeUntil(mouseUpObservable), tap({\n        complete: () => {\n          // On complete\n          if (lastMove) {\n            const dropEvent = Object.assign({}, lastMove);\n            dropEvent.movement.drop = true;\n            dropSubject.next(dropEvent);\n          }\n        }\n      }));\n    }));\n\n    return merge(dragObserver, dropSubject);\n\n  }\n\n  private triggerPick(movement: any, pickOptions: PickOptions, pickConfig: PickConfiguration) {\n    let picks: any = [];\n    switch (pickOptions) {\n      case PickOptions.PICK_ONE:\n      case PickOptions.PICK_ALL:\n        picks = this.scene.drillPick(movement.endPosition, pickConfig.drillPickLimit, pickConfig.pickWidth, pickConfig.pickHeight);\n        picks = picks.length === 0 ? null : picks;\n        break;\n      case PickOptions.PICK_FIRST:\n        const pick = this.scene.pick(movement.endPosition, pickConfig.pickWidth, pickConfig.pickHeight);\n        picks = pick === undefined ? null : [pick];\n        break;\n      case PickOptions.NO_PICK:\n        break;\n      default:\n        break;\n    }\n\n    // Picks can be cesium entity or cesium primitive\n    if (picks) {\n      picks = picks.map((pick: any) => pick.id && pick.id instanceof Cesium.Entity ? pick.id : pick.primitive);\n    }\n\n    return { movement: movement, cesiumEntities: picks };\n  }\n\n  private addEntities(picksAndMovement: any, entityType: any, pickOption: PickOptions, pickFilter?: (any) => boolean): EventResult {\n\n    if (picksAndMovement.cesiumEntities === null) {\n      picksAndMovement.entities = null;\n      return picksAndMovement;\n    }\n    let entities = [];\n    if (pickOption !== PickOptions.NO_PICK) {\n      if (entityType) {\n        entities = picksAndMovement.cesiumEntities.map((pick: any) => pick.acEntity).filter((acEntity: any) => {\n          return acEntity && acEntity instanceof entityType;\n        });\n      } else {\n        entities = picksAndMovement.cesiumEntities.map((pick: any) => pick.acEntity);\n      }\n\n      entities = UtilsService.unique(entities);\n      entities = (pickFilter && entities) ? entities.filter(pickFilter) : entities;\n      if (entities.length === 0) {\n        entities = null;\n      }\n    }\n\n    picksAndMovement.entities = entities;\n\n    return picksAndMovement;\n  }\n\n  private plonter(entitiesAndMovement: EventResult, pickOption: PickOptions): Observable<EventResult> {\n    if (pickOption === PickOptions.PICK_ONE && entitiesAndMovement.entities !== null && entitiesAndMovement.entities.length > 1) {\n      return this.plonterService.plonterIt(entitiesAndMovement);\n    } else {\n      return observableOf(entitiesAndMovement);\n    }\n  }\n}\n"]}