terriajs
Version:
Geospatial data visualization platform.
174 lines • 7.05 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 i18next from "i18next";
import { computed, makeObservable, observable, runInAction } from "mobx";
import Rectangle from "terriajs-cesium/Source/Core/Rectangle";
import AsyncLoader from "../Core/AsyncLoader";
import Result from "../Core/Result";
import CatalogMemberMixin, { getName } from "./CatalogMemberMixin";
export class ImageryParts {
imageryProvider = undefined;
alpha = 0.8;
clippingRectangle = undefined;
show = true;
static fromAsync(options) {
const result = new ImageryParts({
imageryProvider: undefined,
alpha: options.alpha,
clippingRectangle: options.clippingRectangle,
show: options.show
});
options.imageryProviderPromise.then((imageryProvider) => {
if (imageryProvider) {
runInAction(() => {
result.imageryProvider = imageryProvider;
});
}
});
return result;
}
constructor(options) {
this.imageryProvider = options.imageryProvider;
this.alpha = options.alpha ?? 0.8;
this.clippingRectangle = options.clippingRectangle;
this.show = options.show ?? true;
}
}
__decorate([
observable
], ImageryParts.prototype, "imageryProvider", void 0);
// This discriminator only discriminates between ImageryParts and DataSource
(function (ImageryParts) {
function is(object) {
return "imageryProvider" in object;
}
ImageryParts.is = is;
})(ImageryParts || (ImageryParts = {}));
export function isPrimitive(mapItem) {
return "isDestroyed" in mapItem;
}
export function isCesium3DTileset(mapItem) {
return "allTilesLoaded" in mapItem;
}
export function isTerrainProvider(mapItem) {
return "hasVertexNormals" in mapItem;
}
export function isDataSource(object) {
return "entities" in object;
}
function MappableMixin(Base) {
class MappableMixin extends Base {
initialMessageShown = false;
constructor(...args) {
super(...args);
makeObservable(this);
}
get isMappable() {
return true;
}
get cesiumRectangle() {
if (this.rectangle !== undefined &&
this.rectangle.east !== undefined &&
this.rectangle.west !== undefined &&
this.rectangle.north !== undefined &&
this.rectangle.south !== undefined) {
return Rectangle.fromDegrees(this.rectangle.west, this.rectangle.south, this.rectangle.east, this.rectangle.north);
}
return undefined;
}
get shouldShowInitialMessage() {
if (this.initialMessage !== undefined) {
const hasTitle = this.initialMessage.title !== undefined &&
this.initialMessage.title !== "" &&
this.initialMessage.title !== null;
const hasContent = this.initialMessage.content !== undefined &&
this.initialMessage.content !== "" &&
this.initialMessage.content !== null;
return (hasTitle || hasContent) && !this.initialMessageShown;
}
return false;
}
_mapItemsLoader = new AsyncLoader(this.forceLoadMapItems.bind(this));
get loadMapItemsResult() {
return this._mapItemsLoader.result;
}
/**
* Gets a value indicating whether map items are currently loading.
*/
get isLoadingMapItems() {
return this._mapItemsLoader.isLoading;
}
/**
* Loads the map items. It is safe to call this as often as necessary.
* This will also call `loadMetadata()`.
* If the map items are already loaded or already loading, it will
* return the existing promise.
*
* This returns a Result object, it will contain errors if they occur - they will not be thrown.
* To throw errors, use `(await loadMetadata()).throwIfError()`
*
* {@see AsyncLoader}
*/
async loadMapItems(force) {
try {
if (CatalogMemberMixin.isMixedInto(this))
(await this.loadMetadata()).throwIfError();
(await this._mapItemsLoader.load(force)).throwIfError();
}
catch (e) {
return Result.error(e, {
message: `Failed to load \`${getName(this)}\` mapItems`,
importance: -1
});
}
return Result.none();
}
showInitialMessage() {
// This function is deliberately not a computed,
// this.terria.notificationState.addNotificationToQueue changes state
this.initialMessageShown = true;
return new Promise((resolve) => {
this.terria.notificationState.addNotificationToQueue({
title: this.initialMessage.title ?? i18next.t("notification.title"),
width: this.initialMessage.width,
height: this.initialMessage.height,
confirmText: this.initialMessage.confirmation
? this.initialMessage.confirmText
: undefined,
message: this.initialMessage.content ?? "",
key: "initialMessage:" + this.initialMessage.key,
confirmAction: () => resolve(),
showAsToast: this.initialMessage.showAsToast,
toastVisibleDuration: this.initialMessage.toastVisibleDuration
});
// No need to wait for confirmation if the message is a toast
if (this.initialMessage.showAsToast) {
resolve();
}
});
}
dispose() {
super.dispose();
this._mapItemsLoader.dispose();
}
}
__decorate([
computed
], MappableMixin.prototype, "cesiumRectangle", null);
return MappableMixin;
}
(function (MappableMixin) {
function isMixedInto(model) {
return (model &&
model.isMappable &&
"forceLoadMapItems" in model &&
typeof model.forceLoadMapItems === "function");
}
MappableMixin.isMixedInto = isMixedInto;
})(MappableMixin || (MappableMixin = {}));
export default MappableMixin;
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