@arcgis/core/views/2d/LabelManager.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"../../core/Accessor.js";import has from"../../core/has.js";import{property as s}from"../../core/accessorSupport/decorators/property.js";import"../../core/Logger.js";import"../../core/RandomLCG.js";import{subclass as r}from"../../core/accessorSupport/decorators/subclass.js";import{SymbolFader as o}from"./engine/vectorTiles/decluttering/SymbolFader.js";import{RotationAlignment as a,TranslateAnchor as i}from"./engine/vectorTiles/style/StyleDefinition.js";import{tileSize as n}from"./engine/webgl/definitions.js";const l=7e6;class c{constructor(){this.styles=new Map,this.layerContexts=new Map}get cachedStyles(){return this.styles}setLabelClassStyle(e,t,s){this.layerContexts.set(e,t),this.styles.set(e,s)}removeContainer(e){for(const[t,s]of this.layerContexts.entries())s===e&&this.layerContexts.delete(t)}}let p=class extends t{constructor(e){super(e),this._faderWorkingSet=[],this._styleRepository=new c,this.lastUpdateId=-1,this.updateRequested=!1,this.view=null;const t=(e,t)=>{e.updateLabelVisibility(),e.requestRender(),e.isReady&&(e.decluttered=!0)};this.symbolFader=new o("feature-tile",this._styleRepository,t,this._faderWorkingSet,n,l)}get updating(){return has("esri-2d-log-updating")&&console.log(`Updating LabelManager ${this.updateRequested}:\n-> updateRequested: ${this.updateRequested}`),this.updateRequested}viewChange(){this.requestUpdate()}requestUpdate(){this.updateRequested||(this.updateRequested=!0,this.view?.requestUpdate())}processUpdate(e){this.doUpdate(e)?this.updateRequested=!1:(this.updateRequested=!0,this.view?.requestUpdate())}setLabelSchemaStyles(e,t){let s;switch(e.type){case"label":s=e.classes;break;case"subtype":s=Array.from(Object.values(e.renderers).flatMap((e=>e.classes)));break;case"cluster":s=[...e.cluster.classes,...e.feature.classes];break;case"track":s=[...e.latestObservation.classes,...e.previousObservation.classes,...e.trackLine.classes]}for(const r of s){const e=d(r);this._styleRepository.setLabelClassStyle(r.labelClassId,t,e)}}removeContainer(e){this._styleRepository.removeContainer(e),this.requestUpdate()}doUpdate(e){this._faderWorkingSet.length=0;const t=this.view;if(!t)return!1;const s=t.allLayerViews.map((e=>e.featureContainer)).filter((e=>!!e&&e?.hasLabels));if(s.length>0){for(const t of s)for(const s of t.tiles||[])s.setTransform(e.state),this._faderWorkingSet.push(s);const r=e.state.scale,o=t.featuresTilingScheme.scaleToZoom(r);return this.symbolFader.update(o,e.state)}return!0}};function d(e){const t="esriGeometryPolyline"===e.geometryType?a.MAP:a.VIEWPORT,s="esriGeometryPolyline"===e.geometryType?i.MAP:i.VIEWPORT;return{geometryType:e.geometryType,iconAllowOverlap:!e.deconflictionEnabled,iconIgnorePlacement:!1,textAllowOverlap:!e.deconflictionEnabled,textIgnorePlacement:!1,iconRotationAlignment:t,textRotationAlignment:t,iconTranslateAnchor:s,iconTranslate:[0,0],textTranslateAnchor:s,textTranslate:[0,0]}}e([s()],p.prototype,"updateRequested",void 0),e([s()],p.prototype,"updating",null),e([s()],p.prototype,"view",void 0),p=e([r("esri.views.2d.LabelManager")],p);export{c as LabelClassStyleRepository,p as LabelManager};