iceye-angular-cesium-fork
Version:
Angular library for working with Cesium.
106 lines • 14.1 kB
JavaScript
import { EventEmitter, Input, Output, Directive } from '@angular/core';
import { LayerService } from '../layer-service/layer-service.service';
import { ComputationCache } from '../computation-cache/computation-cache.service';
import { CesiumProperties } from '../cesium-properties/cesium-properties.service';
import { BasicDrawerService } from '../drawers/basic-drawer/basic-drawer.service';
/**
* the ancestor class for creating components.
* extend this class to create desc component.
*/
export class BasicDesc {
constructor(_drawer, _layerService, _computationCache, _cesiumProperties) {
this._drawer = _drawer;
this._layerService = _layerService;
this._computationCache = _computationCache;
this._cesiumProperties = _cesiumProperties;
this.onDraw = new EventEmitter();
this.onRemove = new EventEmitter();
this._cesiumObjectsMap = new Map();
}
_propsEvaluator(context) {
return this._propsEvaluateFn(this._computationCache, context);
}
_getPropsAssigner() {
return (cesiumObject, desc) => this._propsAssignerFn(cesiumObject, desc);
}
getLayerService() {
return this._layerService;
}
setLayerService(layerService) {
this._layerService.unregisterDescription(this);
this._layerService = layerService;
this._layerService.registerDescription(this);
this._propsEvaluateFn = this._cesiumProperties.createEvaluator(this.props, this._layerService.cache, true);
this._propsAssignerFn = this._cesiumProperties.createAssigner(this.props);
}
ngOnInit() {
if (!this.props) {
console.error('ac-desc components error: [props] input is mandatory');
}
this._layerService.registerDescription(this);
this._propsEvaluateFn = this._cesiumProperties.createEvaluator(this.props, this._layerService.cache);
this._propsAssignerFn = this._cesiumProperties.createAssigner(this.props);
}
getCesiumObjectsMap() {
return this._cesiumObjectsMap;
}
draw(context, id, entity) {
const cesiumProps = this._propsEvaluator(context);
if (!this._cesiumObjectsMap.has(id)) {
const cesiumObject = this._drawer.add(cesiumProps);
this.onDraw.emit({
acEntity: entity,
cesiumEntity: cesiumObject,
entityId: id,
});
cesiumObject.acEntity = entity; // set the entity on the cesiumObject for later usage
this._cesiumObjectsMap.set(id, cesiumObject);
}
else {
const cesiumObject = this._cesiumObjectsMap.get(id);
this.onDraw.emit({
acEntity: entity,
cesiumEntity: cesiumObject,
entityId: id,
});
cesiumObject.acEntity = entity; // set the entity on the cesiumObject for later usage
this._drawer.setPropsAssigner(this._getPropsAssigner());
this._drawer.update(cesiumObject, cesiumProps);
}
}
remove(id) {
const cesiumObject = this._cesiumObjectsMap.get(id);
if (cesiumObject) {
this.onRemove.emit({
acEntity: cesiumObject.acEntity,
cesiumEntity: cesiumObject,
entityId: id,
});
this._drawer.remove(cesiumObject);
this._cesiumObjectsMap.delete(id);
}
}
removeAll() {
this._cesiumObjectsMap.clear();
this._drawer.removeAll();
}
ngOnDestroy() {
this._layerService.unregisterDescription(this);
this.removeAll();
}
}
BasicDesc.decorators = [
{ type: Directive }
];
BasicDesc.ctorParameters = () => [
{ type: BasicDrawerService },
{ type: LayerService },
{ type: ComputationCache },
{ type: CesiumProperties }
];
BasicDesc.propDecorators = {
props: [{ type: Input }],
onDraw: [{ type: Output }],
onRemove: [{ type: Output }]
};
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{ EventEmitter, Input, OnDestroy, OnInit, Output, Directive } from '@angular/core';\nimport { LayerService } from '../layer-service/layer-service.service';\nimport { ComputationCache } from '../computation-cache/computation-cache.service';\nimport { CesiumProperties } from '../cesium-properties/cesium-properties.service';\nimport { AcEntity } from '../../models/ac-entity';\nimport { BasicDrawerService } from '../drawers/basic-drawer/basic-drawer.service';\nimport { IDescription } from '../../models/description';\n\nexport interface OnDrawParams {\n  acEntity: AcEntity;\n  entityId: string;\n  cesiumEntity: any;\n}\n\n/**\n *  the ancestor class for creating components.\n *  extend this class to create desc component.\n */\n@Directive()\nexport class BasicDesc implements OnInit, OnDestroy, IDescription {\n  @Input()\n  props: any;\n\n  @Output()\n  onDraw: EventEmitter<OnDrawParams> = new EventEmitter<OnDrawParams>();\n\n  @Output()\n  onRemove: EventEmitter<OnDrawParams> = new EventEmitter<OnDrawParams>();\n\n  protected _cesiumObjectsMap: Map<string, any> = new Map<string, any>();\n  private _propsEvaluateFn: Function;\n  private _propsAssignerFn: Function;\n\n  constructor(protected _drawer: BasicDrawerService,\n              protected _layerService: LayerService,\n              protected _computationCache: ComputationCache,\n              protected _cesiumProperties: CesiumProperties) {\n  }\n\n  protected _propsEvaluator(context: Object): any {\n    return this._propsEvaluateFn(this._computationCache, context);\n  }\n\n  protected _getPropsAssigner(): (cesiumObject: Object, desc: Object) => Object {\n    return (cesiumObject: Object, desc: Object) => this._propsAssignerFn(cesiumObject, desc);\n  }\n\n  getLayerService(): LayerService {\n    return this._layerService;\n  }\n\n  setLayerService(layerService: LayerService) {\n    this._layerService.unregisterDescription(this);\n    this._layerService = layerService;\n    this._layerService.registerDescription(this);\n    this._propsEvaluateFn = this._cesiumProperties.createEvaluator(this.props, this._layerService.cache, true);\n    this._propsAssignerFn = this._cesiumProperties.createAssigner(this.props);\n  }\n\n  ngOnInit(): void {\n    if (!this.props) {\n      console.error('ac-desc components error: [props] input is mandatory');\n    }\n\n    this._layerService.registerDescription(this);\n    this._propsEvaluateFn = this._cesiumProperties.createEvaluator(this.props, this._layerService.cache);\n    this._propsAssignerFn = this._cesiumProperties.createAssigner(this.props);\n  }\n\n  public getCesiumObjectsMap(): Map<string, any> {\n    return this._cesiumObjectsMap;\n  }\n\n  draw(context: any, id: string, entity: AcEntity): void {\n    const cesiumProps = this._propsEvaluator(context);\n\n    if (!this._cesiumObjectsMap.has(id)) {\n      const cesiumObject = this._drawer.add(cesiumProps);\n      this.onDraw.emit({\n        acEntity: entity,\n        cesiumEntity: cesiumObject,\n        entityId: id,\n      });\n      cesiumObject.acEntity = entity; // set the entity on the cesiumObject for later usage\n      this._cesiumObjectsMap.set(id, cesiumObject);\n    } else {\n      const cesiumObject = this._cesiumObjectsMap.get(id);\n      this.onDraw.emit({\n        acEntity: entity,\n        cesiumEntity: cesiumObject,\n        entityId: id,\n      });\n      cesiumObject.acEntity = entity; // set the entity on the cesiumObject for later usage\n      this._drawer.setPropsAssigner(this._getPropsAssigner());\n      this._drawer.update(cesiumObject, cesiumProps);\n    }\n  }\n\n  remove(id: string) {\n    const cesiumObject = this._cesiumObjectsMap.get(id);\n    if (cesiumObject) {\n      this.onRemove.emit({\n        acEntity: cesiumObject.acEntity,\n        cesiumEntity: cesiumObject,\n        entityId: id,\n      });\n      this._drawer.remove(cesiumObject);\n      this._cesiumObjectsMap.delete(id);\n    }\n  }\n\n  removeAll() {\n    this._cesiumObjectsMap.clear();\n    this._drawer.removeAll();\n  }\n\n  ngOnDestroy() {\n    this._layerService.unregisterDescription(this);\n    this.removeAll();\n  }\n}\n"]}