@greenmice/ngx-cesium
Version:
Angular library for working with Cesium.
101 lines • 13.7 kB
JavaScript
import { Injectable } from '@angular/core';
import * as i0 from "@angular/core";
/**
* The service manages `ac-map` instances. `ac-map` register itself to this service.
* This allows retrieval of maps provided services outside of `ac-map` scope.
*/
export class MapsManagerService {
constructor() {
this.defaultIdCounter = 0;
this._Maps = new Map();
this.eventRemoveCallbacks = [];
}
getMap(id) {
if (!id) {
return this.firstMap;
}
return this._Maps.get(id);
}
_registerMap(id, acMap) {
if (!this.firstMap) {
this.firstMap = acMap;
}
const mapId = id ? id : this.generateDefaultId();
if (this._Maps.has(mapId)) {
throw new Error(`Map with id: ${mapId} already exist`);
}
this._Maps.set(mapId, acMap);
return mapId;
}
_removeMapById(id) {
return this._Maps.delete(id);
}
generateDefaultId() {
this.defaultIdCounter++;
return 'default-map-id-' + this.defaultIdCounter;
}
/**
* Binds multiple 2D map's cameras together.
* @param mapsConfiguration - binding options.
* mapId - the id of the maps to bind.
* sensitivity - the amount the camera position should change in order to sync other maps.
* bindZoom - should bind zoom level
*/
sync2DMapsCameras(mapsConfiguration) {
const DEFAULT_SENSITIVITY = 0.01;
this.unsyncMapsCameras();
const maps = mapsConfiguration.map(config => {
const map = this.getMap(config.id);
if (!map) {
throw new Error(`Couldn't find map with id: ${config.id}`);
}
return { map, options: { sensitivity: config.sensitivity, bindZoom: config.bindZoom } };
});
maps.forEach(masterMapConfig => {
const masterMap = masterMapConfig.map;
const options = masterMapConfig.options;
const masterCamera = masterMap.getCameraService().getCamera();
const masterCameraCartographic = masterCamera.positionCartographic;
masterCamera.percentageChanged = options.sensitivity || DEFAULT_SENSITIVITY;
const removeCallback = masterCamera.changed.addEventListener(() => {
maps.forEach(slaveMapConfig => {
const slaveMap = slaveMapConfig.map;
const slaveMapOptions = slaveMapConfig.options;
if (slaveMap === masterMap) {
return;
}
const slaveCamera = slaveMap.getCameraService().getCamera();
const slaveCameraCartographic = slaveCamera.positionCartographic;
const position = Cesium.Ellipsoid.WGS84.cartographicToCartesian({
longitude: masterCameraCartographic.longitude,
latitude: masterCameraCartographic.latitude,
height: slaveMapOptions.bindZoom ? masterCameraCartographic.height : slaveCameraCartographic.height,
});
if (slaveMap.getCesiumViewer().scene.mode !== Cesium.SceneMode.MORPHING) {
slaveCamera.setView({
destination: position,
orientation: {
heading: slaveCamera.heading,
pitch: slaveCamera.pitch,
},
});
}
});
});
this.eventRemoveCallbacks.push(removeCallback);
});
}
/**
* Unsyncs maps cameras
*/
unsyncMapsCameras() {
this.eventRemoveCallbacks.forEach(removeCallback => removeCallback());
this.eventRemoveCallbacks = [];
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.1.2", ngImport: i0, type: MapsManagerService, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "17.1.2", ngImport: i0, type: MapsManagerService }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.1.2", ngImport: i0, type: MapsManagerService, decorators: [{
type: Injectable
}], ctorParameters: () => [] });
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id : this.generateDefaultId();\n    if (this._Maps.has(mapId)) {\n      throw new Error(`Map with id: ${mapId} already exist`);\n    }\n    this._Maps.set(mapId, acMap);\n    return mapId;\n  }\n\n  _removeMapById(id: string) {\n    return this._Maps.delete(id);\n  }\n\n  private generateDefaultId(): string {\n    this.defaultIdCounter++;\n    return 'default-map-id-' + this.defaultIdCounter;\n  }\n\n  /**\n   * Binds multiple 2D map's cameras together.\n   * @param mapsConfiguration - binding options.\n   * mapId - the id of the maps to bind.\n   * sensitivity - the amount the camera position should change in order to sync other maps.\n   * bindZoom - should bind zoom level\n   */\n  sync2DMapsCameras(mapsConfiguration: { id: string; sensitivity?: number; bindZoom?: boolean }[]) {\n    const DEFAULT_SENSITIVITY = 0.01;\n    this.unsyncMapsCameras();\n    const maps: { map: AcMapComponent; options?: { sensitivity?: number; bindZoom?: boolean } }[] = mapsConfiguration.map(config => {\n      const map = this.getMap(config.id);\n      if (!map) {\n        throw new Error(`Couldn't find map with id: ${config.id}`);\n      }\n\n      return {map, options: {sensitivity: config.sensitivity, bindZoom: config.bindZoom}};\n    });\n\n    maps.forEach(masterMapConfig => {\n      const masterMap = masterMapConfig.map;\n      const options = masterMapConfig.options;\n      const masterCamera = masterMap.getCameraService().getCamera();\n      const masterCameraCartographic = masterCamera.positionCartographic;\n      masterCamera.percentageChanged = options.sensitivity || DEFAULT_SENSITIVITY;\n      const removeCallback = masterCamera.changed.addEventListener(() => {\n        maps.forEach(slaveMapConfig => {\n          const slaveMap = slaveMapConfig.map;\n          const slaveMapOptions = slaveMapConfig.options;\n          if (slaveMap === masterMap) {\n            return;\n          }\n\n          const slaveCamera = slaveMap.getCameraService().getCamera();\n          const slaveCameraCartographic = slaveCamera.positionCartographic;\n          const position = Cesium.Ellipsoid.WGS84.cartographicToCartesian({\n            longitude: masterCameraCartographic.longitude,\n            latitude: masterCameraCartographic.latitude,\n            height: slaveMapOptions.bindZoom ? masterCameraCartographic.height : slaveCameraCartographic.height,\n          });\n\n          if (slaveMap.getCesiumViewer().scene.mode !== Cesium.SceneMode.MORPHING) {\n            slaveCamera.setView({\n              destination: position,\n              orientation: {\n                heading: slaveCamera.heading,\n                pitch: slaveCamera.pitch,\n              },\n            });\n          }\n        });\n      });\n      this.eventRemoveCallbacks.push(removeCallback);\n    });\n  }\n\n  /**\n   * Unsyncs maps cameras\n   */\n  unsyncMapsCameras() {\n    this.eventRemoveCallbacks.forEach(removeCallback => removeCallback());\n    this.eventRemoveCallbacks = [];\n  }\n}\n"]}