terriajs
Version:
Geospatial data visualization platform.
45 lines • 2.14 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { observable, runInAction } from "mobx";
import IonResource from "terriajs-cesium/Source/Core/IonResource";
/**
* A mixin for a model that can be loaded from Cesium ion via an `ionAssetId`. If an asset ID is supplied,
* the `ionResource` will be populated asynchronously after `loadIonResource` is called (usually from
* `forceLoadMetadata`). If defined, the resource in this property should be used as the "URL" given to
* CesiumJS instead of a regular URL.
*/
export default function CesiumIonMixin(Base) {
class CesiumIonMixin extends Base {
/**
* The {@link IonResource} that can be given to CesiumJS most places that a resource URL can be used.
*/
ionResource = undefined;
/**
* Populates the the `ionResource` from the `ionAssetId`, `ionAccessToken`, and `ionServer`
* traits. This should be called from `forceLoadMetadata`.
*/
async loadIonResource() {
if (this.ionAssetId) {
const resource = await IonResource.fromAssetId(this.ionAssetId, {
accessToken: this.ionAccessToken,
server: this.ionServer
});
runInAction(() => {
this.ionResource = resource;
});
}
else {
this.ionResource = undefined;
}
}
}
__decorate([
observable
], CesiumIonMixin.prototype, "ionResource", void 0);
return CesiumIonMixin;
}
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