@arcgis/core/widgets/BasemapGallery/BasemapGalleryViewModel.js

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.33/esri/copyright.txt for details.
*/
import{_ as e}from"../../chunks/tslib.es6.js";import t from"../../Basemap.js";import s from"../../core/Collection.js";import i from"../../core/Loadable.js";import{watch as a,on as r,when as o}from"../../core/reactiveUtils.js";import{property as p}from"../../core/accessorSupport/decorators/property.js";import{cast as n}from"../../core/accessorSupport/decorators/cast.js";import"../../core/has.js";import"../../core/RandomLCG.js";import{subclass as c}from"../../core/accessorSupport/decorators/subclass.js";import{canProjectWithoutEngine as m,isLoaded as l,load as u}from"../../geometry/projectionUtils.js";import{equals as d}from"../../geometry/support/spatialReferenceUtils.js";import{isLinkChartView as h}from"../../linkChart/utils.js";import{basemapEnsureType as y}from"../../support/basemapEnsureType.js";import{contentEquals as f}from"../../support/basemapUtils.js";import{default3DCompatibility as v,default2DCompatibility as b}from"./support/basemapCompatibilityUtils.js";import j from"./support/BasemapGalleryItem.js";import w from"./support/LocalBasemapsSource.js";import B from"./support/PortalBasemapsSource.js";const g=s.ofType(j);function _(e){return e&&"esri.portal.Portal"===e.declaredClass}function I(e){return e&&!(e instanceof B)&&(!!e.portal||!!e.query)}function R(e){return e&&"basemaps"in e&&"state"in e&&"refresh"in e}let E=class extends i{constructor(e){super(e),this._loadingProjectionEngine=!1,this.items=new g,this.source=new B,this.view=null}initialize(){const e=()=>this._recreateItems();this.addHandles([a((()=>"ready"===this.state?this.compatibilityFunction:null),(()=>this._updateItems())),r((()=>this.source?.basemaps),"change",e,{onListenerAdd:e}),o((()=>this.view),(()=>{this.source instanceof B&&(this.source.viewType=this.view?.type)}),{once:!0})])}destroy(){const e=this.source.basemaps.find((e=>e===this.activeBasemap));e&&this.source.basemaps.remove(e),this.source?.destroy()}get activeBasemap(){return this.view?.map?.basemap??null}set activeBasemap(e){const t=this.view;if(!t?.map)return;if(!e||!t.ready)return t.map.basemap=e,void this._clearOverride("activeBasemap");const s=e.spatialReference||this.items?.find((t=>this.basemapEquals(e,t.basemap)))?.spatialReference;if(s&&"spatialReferenceLocked"in t&&!t.spatialReferenceLocked){const i=t.spatialReference;if(null!=s&&!d(i,s)&&!m(t.spatialReference,s)&&!l())return this._override("activeBasemap",e),this._loadingProjectionEngine=!0,void u().then((()=>{this._get("activeBasemap")===e&&(t.map.basemap=e,t.spatialReference=s,this._clearOverride("activeBasemap"))}),(()=>{})).then((()=>{this._loadingProjectionEngine=!1}));t.map.basemap=e,this._clearOverride("activeBasemap"),null==s||d(t.spatialReference,s)||(t.spatialReference=s)}else t.map.basemap=e,this._clearOverride("activeBasemap")}castActiveBasemap(e){return y(e)}get activeBasemapIndex(){const{state:e,activeBasemap:t}=this;return"ready"!==e?-1:this._findBasemapIndex(t)}get compatibilityFunction(){return"3d"===this.view?.type?v:b}set compatibilityFunction(e){this._overrideIfSome("compatibilityFunction",e)}castSource(e){return Array.isArray(e)||s.isCollection(e)?new w({basemaps:Array.isArray(e)?new s(e):e}):_(e)?new B({portal:e}):I(e)?new B(e):R(e)?e:null}get state(){return this.view?.ready&&this.source?h(this.view)&&!this.view.inGeographicLayout?"unsupported":this._loadingProjectionEngine?"loading":"ready":"disabled"}basemapEquals(e,t){return f(e,t)}refresh(){this._recreateItems()}load(){return this.loadSource()}loadSource(e){return this.addResolvingPromise(i.isLoadable(this.source)?this.source.load(e):null),Promise.resolve(this)}_findBasemapIndex(e){const{items:t}=this,s=t.findIndex((t=>t.basemap===e));return-1===s?t.findIndex((t=>this.basemapEquals(t.basemap,e))):s}_recreateItems(){const e=this.source?.basemaps??[],{view:t,compatibilityFunction:s}=this,i=new Map(this.items.map((e=>[e.basemap,e]))),a=e.map((e=>{const a=i.get(e);return a?(i.delete(e),a):new j({basemap:e,compatibilityFunction:s,view:t})}));this.items.removeAll(),this.items.addMany(a),i.forEach((e=>e.destroy()))}_updateItems(){for(const e of this.items)e.compatibilityFunction=this.compatibilityFunction,e.view=this.view}};e([p()],E.prototype,"_loadingProjectionEngine",void 0),e([p({type:t})],E.prototype,"activeBasemap",null),e([n("activeBasemap")],E.prototype,"castActiveBasemap",null),e([p({readOnly:!0})],E.prototype,"activeBasemapIndex",null),e([p()],E.prototype,"compatibilityFunction",null),e([p({readOnly:!0,type:g})],E.prototype,"items",void 0),e([p()],E.prototype,"source",void 0),e([n("source")],E.prototype,"castSource",null),e([p({readOnly:!0})],E.prototype,"state",null),e([p()],E.prototype,"view",void 0),E=e([c("esri.widgets.BasemapGallery.BasemapGalleryViewModel")],E);const S=E;export{S as default};