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@agm/core

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Angular components for Google Maps

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import { __awaiter } from "tslib"; import { Injectable, NgZone } from '@angular/core'; import { merge, Observable } from 'rxjs'; import { map, skip, startWith, switchMap } from 'rxjs/operators'; import { createMVCEventObservable } from '../../utils/mvcarray-utils'; import { GoogleMapsAPIWrapper } from '../google-maps-api-wrapper'; export class PolygonManager { constructor(_mapsWrapper, _zone) { this._mapsWrapper = _mapsWrapper; this._zone = _zone; this._polygons = new Map(); } addPolygon(path) { const polygonPromise = this._mapsWrapper.createPolygon({ clickable: path.clickable, draggable: path.draggable, editable: path.editable, fillColor: path.fillColor, fillOpacity: path.fillOpacity, geodesic: path.geodesic, paths: path.paths, strokeColor: path.strokeColor, strokeOpacity: path.strokeOpacity, strokeWeight: path.strokeWeight, visible: path.visible, zIndex: path.zIndex, }); this._polygons.set(path, polygonPromise); } updatePolygon(polygon) { const m = this._polygons.get(polygon); if (m == null) { return Promise.resolve(); } return m.then((l) => this._zone.run(() => { l.setPaths(polygon.paths); })); } setPolygonOptions(path, options) { return this._polygons.get(path).then((l) => { l.setOptions(options); }); } deletePolygon(paths) { const m = this._polygons.get(paths); if (m == null) { return Promise.resolve(); } return m.then((l) => { return this._zone.run(() => { l.setMap(null); this._polygons.delete(paths); }); }); } getPath(polygonDirective) { return this._polygons.get(polygonDirective) .then((polygon) => polygon.getPath().getArray()); } getPaths(polygonDirective) { return this._polygons.get(polygonDirective) .then((polygon) => polygon.getPaths().getArray().map((p) => p.getArray())); } createEventObservable(eventName, path) { return new Observable((observer) => { this._polygons.get(path).then((l) => { l.addListener(eventName, (e) => this._zone.run(() => observer.next(e))); }); }); } createPathEventObservable(agmPolygon) { return __awaiter(this, void 0, void 0, function* () { const polygon = yield this._polygons.get(agmPolygon); const paths = polygon.getPaths(); const pathsChanges$ = createMVCEventObservable(paths); return pathsChanges$.pipe(startWith({ newArr: paths.getArray() }), // in order to subscribe to them all switchMap(parentMVEvent => merge(... // rest parameter parentMVEvent.newArr.map((chMVC, index) => createMVCEventObservable(chMVC) .pipe(map(chMVCEvent => ({ parentMVEvent, chMVCEvent, pathIndex: index }))))) .pipe(// start the merged ob with an event signinifing change to parent startWith({ parentMVEvent, chMVCEvent: null, pathIndex: null }))), skip(1), // skip the manually added event map(({ parentMVEvent, chMVCEvent, pathIndex }) => { let retVal; if (!chMVCEvent) { retVal = { newArr: parentMVEvent.newArr.map(subArr => subArr.getArray().map(latLng => latLng.toJSON())), eventName: parentMVEvent.eventName, index: parentMVEvent.index, }; if (parentMVEvent.previous) { retVal.previous = parentMVEvent.previous.getArray(); } } else { retVal = { newArr: parentMVEvent.newArr.map(subArr => subArr.getArray().map(latLng => latLng.toJSON())), pathIndex, eventName: chMVCEvent.eventName, index: chMVCEvent.index, }; if (chMVCEvent.previous) { retVal.previous = chMVCEvent.previous; } } return retVal; })); }); } } PolygonManager.decorators = [ { type: Injectable } ]; PolygonManager.ctorParameters = () => [ { type: GoogleMapsAPIWrapper }, { type: NgZone } ]; //# 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{ Injectable, NgZone } from '@angular/core';\nimport { merge, Observable, Observer } from 'rxjs';\nimport { map, skip, startWith, switchMap } from 'rxjs/operators';\n\nimport { AgmPolygon } from '../../directives/polygon';\nimport { createMVCEventObservable, MVCEvent } from '../../utils/mvcarray-utils';\nimport { GoogleMapsAPIWrapper } from '../google-maps-api-wrapper';\n\n@Injectable()\nexport class PolygonManager {\n  private _polygons: Map<AgmPolygon, Promise<google.maps.Polygon>> =\n    new Map<AgmPolygon, Promise<google.maps.Polygon>>();\n\n  constructor(private _mapsWrapper: GoogleMapsAPIWrapper, private _zone: NgZone) { }\n\n  addPolygon(path: AgmPolygon) {\n    const polygonPromise = this._mapsWrapper.createPolygon({\n      clickable: path.clickable,\n      draggable: path.draggable,\n      editable: path.editable,\n      fillColor: path.fillColor,\n      fillOpacity: path.fillOpacity,\n      geodesic: path.geodesic,\n      paths: path.paths,\n      strokeColor: path.strokeColor,\n      strokeOpacity: path.strokeOpacity,\n      strokeWeight: path.strokeWeight,\n      visible: path.visible,\n      zIndex: path.zIndex,\n    });\n    this._polygons.set(path, polygonPromise);\n  }\n\n  updatePolygon(polygon: AgmPolygon): Promise<void> {\n    const m = this._polygons.get(polygon);\n    if (m == null) {\n      return Promise.resolve();\n    }\n    return m.then((l: google.maps.Polygon) => this._zone.run(() => { l.setPaths(polygon.paths); }));\n  }\n\n  setPolygonOptions(path: AgmPolygon, options: { [propName: string]: any }): Promise<void> {\n    return this._polygons.get(path).then((l: google.maps.Polygon) => { l.setOptions(options); });\n  }\n\n  deletePolygon(paths: AgmPolygon): Promise<void> {\n    const m = this._polygons.get(paths);\n    if (m == null) {\n      return Promise.resolve();\n    }\n    return m.then((l: google.maps.Polygon) => {\n      return this._zone.run(() => {\n        l.setMap(null);\n        this._polygons.delete(paths);\n      });\n    });\n  }\n\n  getPath(polygonDirective: AgmPolygon): Promise<google.maps.LatLng[]> {\n    return this._polygons.get(polygonDirective)\n      .then((polygon) => polygon.getPath().getArray());\n  }\n\n  getPaths(polygonDirective: AgmPolygon): Promise<google.maps.LatLng[][]> {\n    return this._polygons.get(polygonDirective)\n      .then((polygon) => polygon.getPaths().getArray().map((p) => p.getArray()));\n  }\n\n  createEventObservable<T>(eventName: string, path: AgmPolygon): Observable<T> {\n    return new Observable((observer: Observer<T>) => {\n      this._polygons.get(path).then((l: google.maps.Polygon) => {\n        l.addListener(eventName, (e: T) => this._zone.run(() => observer.next(e)));\n      });\n    });\n  }\n\n  async createPathEventObservable(agmPolygon: AgmPolygon):\n        Promise<Observable<MVCEvent<google.maps.LatLng[] | google.maps.LatLngLiteral[]>>> {\n    const polygon = await this._polygons.get(agmPolygon);\n    const paths = polygon.getPaths();\n    const pathsChanges$ = createMVCEventObservable(paths);\n    return pathsChanges$.pipe(\n      startWith(({ newArr: paths.getArray() } as MVCEvent<google.maps.MVCArray<google.maps.LatLng>>)), // in order to subscribe to them all\n      switchMap(parentMVEvent => merge(...// rest parameter\n        parentMVEvent.newArr.map((chMVC, index) =>\n          createMVCEventObservable(chMVC)\n          .pipe(map(chMVCEvent => ({ parentMVEvent, chMVCEvent, pathIndex: index })))))\n        .pipe( // start the merged ob with an event signinifing change to parent\n          startWith({ parentMVEvent, chMVCEvent: null, pathIndex: null }))\n      ),\n      skip(1), // skip the manually added event\n      map(({ parentMVEvent, chMVCEvent, pathIndex }) => {\n        let retVal;\n        if (!chMVCEvent) {\n          retVal = {\n            newArr: parentMVEvent.newArr.map(subArr => subArr.getArray().map(latLng => latLng.toJSON())),\n            eventName: parentMVEvent.eventName,\n            index: parentMVEvent.index,\n          } as MVCEvent<google.maps.LatLng[] | google.maps.LatLngLiteral[]>;\n          if (parentMVEvent.previous) {\n            retVal.previous =  parentMVEvent.previous.getArray();\n          }\n        } else {\n          retVal = {\n            newArr: parentMVEvent.newArr.map(subArr => subArr.getArray().map(latLng => latLng.toJSON())),\n            pathIndex,\n            eventName: chMVCEvent.eventName,\n            index: chMVCEvent.index,\n          } as unknown as MVCEvent<google.maps.LatLng[] | google.maps.LatLngLiteral[]>;\n          if (chMVCEvent.previous) {\n            retVal.previous = chMVCEvent.previous;\n          }\n        }\n        return retVal;\n      }));\n  }\n}\n"]}