@arcgis/core/views/SelectionManager.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/4.32/esri/copyright.txt for details.
*/
import{_ as e}from"../chunks/tslib.es6.js";import{difference as t,isSome as s}from"../core/arrayUtils.js";import i from"../core/Collection.js";import{referenceSetter as o}from"../core/collectionUtils.js";import n from"../core/Evented.js";import{getOrCreateMapValue as l}from"../core/MapUtils.js";import{removeMaybe as r}from"../core/maybe.js";import c from"../core/ReactiveMap.js";import{watch as a,on as h}from"../core/reactiveUtils.js";import{symmetricDifference as u}from"../core/SetUtils.js";import{property as d}from"../core/accessorSupport/decorators/property.js";import"../core/has.js";import"../core/Logger.js";import{subclass as p}from"../core/accessorSupport/decorators/subclass.js";import{isSubtypeGroupLayer as f,isSubtypeSublayer as g}from"../layers/support/layerUtils.js";import m from"../rest/support/Query.js";import{isSelectableLayer as _}from"./support/selectionUtils.js";let y=class extends n.EventedAccessor{constructor(e){super(e),this._selectionMap=new c,this._sources=new i,this._trashCan=[],this._layerEditHandles=new i,this._vizTaskId=0,this.showHighlight=!0,this.highlightName="default"}initialize(){this.addHandles([a((()=>[this.view,this.showHighlight]),(()=>this._refreshVisualization())),h((()=>this.sources),"change",(e=>{const t=this._selectionMap;for(const s of e.removed)t.delete(s);this._refreshListeners(),this._refreshVisualization()}),{onListenerAdd:()=>this._refreshListeners()})]);const e=new i;this.view.when().then((()=>{this.view.map&&(this.view.map.allLayers.flatten((e=>"sublayers"in e&&e.sublayers?e.sublayers:null)).forEach((t=>{(_(t)&&!f(t)||g(t))&&e.add(t)})),this.sources=e)}))}destroy(){this._layerEditHandles.drain(r)}get selections(){return Array.from(this._selectionMap.entries()).map((e=>{const[t,s]=e;return{layer:t,selection:[...s.selection]}}))}get count(){let e=0;for(const t of this._selectionMap.values())e+=t.selection.length;return e}get hasSelection(){return this.count>0}get sources(){return this._sources}set sources(e){o(e,this._sources)}async getSelectedFeatures(e,t={},s="layerView"){const{view:i,selections:o}=this,n=(void 0!==e?o.filter((t=>e.includes(t.layer))):o).filter((e=>e.selection.length>0)).map((async e=>{const{layer:o,selection:n}=e,l=g(o)?o.parent:o;if(null==l||!S(l))return null;if("layer"===s)return M(l,n,t);if(v(l))return null;const r=await i.whenLayerView(l).catch((()=>null));return r?M(r,n,t):null}));return(await Promise.all(n)).filter((e=>null!=e))}updateSelection(e){const s=new Map;for(const[t,n]of this._selectionMap)s.set(t,[...n.selection]);let i=!1;const o=e.current.concat(e.added);for(const t of o){const e=t.sourceLayer,o=t.getObjectId();if(this.sources.includes(e)&&(_(e)||g(e))&&null!==o){const t=l(s,e,(()=>[]));t.includes(o)||(t.push(o),i=!0)}}for(const t of e.removed){const e=t.sourceLayer,o=t.getObjectId();if(this.sources.includes(e)&&(_(e)||g(e))&&null!==o){const t=s.get(e),n=t?.indexOf(o);void 0!==n&&n>=0&&(t?.splice(n,1),i=!0)}}if(i){const{_selectionMap:e,_trashCan:i}=this,o=[];for(const[n,l]of s){const s=e.get(n);void 0!==s&&i.push(s),e.set(n,{selection:l}),o.push({layer:n,selection:l,...t(void 0!==s?s.selection:[],l)})}this._onSelectionChange(o)}}setSelection(e,t){this._setSelection(e,t)}getSelection(e){const t=this._selectionMap.get(e);return t?.selection}appendToSelection(e,t){const s=this._selectionMap.get(e),i=void 0!==s?[...s.selection]:[];for(const o of t)i.includes(o)||i.push(o);this._setSelection(e,i)}removeFromSelection(e,t){const s=this._selectionMap.get(e);if(!s)return;const i=[];for(const o of s.selection)t.includes(o)||i.push(o);this._setSelection(e,i)}toggleInSelection(e,t){const s=this._selectionMap.get(e);if(!s||0===s.selection.length)return void this._setSelection(e,t);const i=new Set(s.selection),o=new Set(t),n=u(i,o);this._setSelection(e,Array.from(n))}clear(){const e=this._selectionMap.values();this._trashCan.push(...e);const t=[];for(const[s,i]of this._selectionMap.entries())t.push({layer:s,added:[],removed:[...i.selection],selection:[]});this._selectionMap.clear(),this._onSelectionChange(t)}_onSelectionChange(e){this._refreshVisualization(),this.emit("selection-change",{view:this.view,changes:e})}_refreshVisualization(){if(null==this.view||null==this.sources)return;for(this._vizTaskId++;this._trashCan.length>0;){const e=this._trashCan.pop();e?.highlightHandle?.remove()}const{sources:e,view:t,_selectionMap:s,showHighlight:i}=this,o=this._vizTaskId;for(const n of e){const e=s.get(n),l=g(n)?n.parent:n;if(null!=l&&S(l)){if(v(l))continue;t.whenLayerView(l).then((t=>{e?.highlightHandle?.remove(),null!=e&&i&&o===this._vizTaskId&&"highlight"in t&&"function"==typeof t.highlight&&e.selection.length>0&&(e.highlightHandle=t.highlight(e.selection,this.highlightName))})).catch((()=>{e?.highlightHandle?.remove()}))}}}_refreshListeners(){this._layerEditHandles.drain(r);for(const e of this.sources){const t=g(e)?e.parent:e;if(null!=t&&_(t)){const s=t.on("edits",(t=>{this._handleEditChanges(t,e)}));this._layerEditHandles.push(s)}}}_handleEditChanges(e,t){if(void 0!==e.deletedFeatures&&e.deletedFeatures.length>0&&this._selectionMap.has(t)){const i=e.deletedFeatures.filter((e=>null==e.error)).map((e=>e.objectId)).filter(s);this.removeFromSelection(t,i)}}_setSelection(e,s){if(!this.sources.includes(e))throw new Error(`Cannot set selection on layer ${e.title} because it is not in 'sources'`);const i=this._selectionMap.get(e);if(void 0===i||!j(i,{selection:s})){void 0!==i&&this._trashCan.push(i),this._selectionMap.set(e,{selection:[...s]});const o={layer:e,selection:[...s],...t(void 0!==i?i.selection:[],s)};this._onSelectionChange([o])}}};e([d({readOnly:!0,nonNullable:!0})],y.prototype,"selections",null),e([d({readOnly:!0,nonNullable:!0})],y.prototype,"count",null),e([d({constructOnly:!0,nonNullable:!0})],y.prototype,"view",void 0),e([d({readOnly:!0,nonNullable:!0})],y.prototype,"hasSelection",null),e([d()],y.prototype,"showHighlight",void 0),e([d()],y.prototype,"sources",null),e([d()],y.prototype,"highlightName",void 0),y=e([p("esri.views.SelectionManager")],y);const v=e=>g(e)?!0===e.parent?.isTable:e.isTable,w=e=>void 0!==e.layer,S=e=>void 0!==e?.when,j=(e,t)=>{if(null==e&&null==t)return!0;if(null!=e&&null==t||null==e&&null!=t)return!1;if(null!=e&&null!=t&&null!=e.selection&&null!=t.selection){const s=[...e.selection],i=[...t.selection];if(s.length!==i.length)return!1;s.sort(),i.sort();for(let e=0;e<s.length;e++)if(s[e]!==i[e])return!1}return!0},M=async(e,t,s={})=>{let i;if(w(e)){const o=e;i=void 0===o?null:await o.queryFeatures(new m({...s,objectIds:t})).then((t=>({data:t,layer:e.layer})))}else{const o=e;i=void 0===o?null:await o.queryFeatures(new m({...s,objectIds:t})).then((e=>({data:e,layer:o})))}return i},b=y;export{b as default};