qwc2/components/ImportLayer.js

QGIS Web Client

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t.__proto__=e,t},_setPrototypeOf(t,e)}function _defineProperty(e,r,t){return(r=_toPropertyKey(r))in e?Object.defineProperty(e,r,{value:t,enumerable:!0,configurable:!0,writable:!0}):e[r]=t,e}function _toPropertyKey(t){var i=_toPrimitive(t,"string");return"symbol"==_typeof(i)?i:i+""}function _toPrimitive(t,r){if("object"!=_typeof(t)||!t)return t;var e=t[Symbol.toPrimitive];if(void 0!==e){var i=e.call(t,r||"default");if("object"!=_typeof(i))return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===r?String:Number)(t)}/**
 * Copyright 2017-2024 Sourcepole AG
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree.
 */import React from"react";import{connect}from"react-redux";import axios from"axios";import isEmpty from"lodash.isempty";import{WorkerMessageHandler}from"pdfjs-dist/build/pdf.worker";import Proj4js from"proj4";import PropTypes from"prop-types";import{addLayer,addLayerFeatures,removeLayer,replacePlaceholderLayer}from"../actions/layers";import EditableSelect from"../components/widgets/EditableSelect";import ConfigUtils from"../utils/ConfigUtils";import CoordinatesUtils from"../utils/CoordinatesUtils";import LocaleUtils from"../utils/LocaleUtils";import MiscUtils from"../utils/MiscUtils";import ServiceLayerUtils from"../utils/ServiceLayerUtils";import VectorLayerUtils from"../utils/VectorLayerUtils";import FileSelector from"./widgets/FileSelector";import LayerCatalogWidget from"./widgets/LayerCatalogWidget";import Spinner from"./widgets/Spinner";import"./style/ImportLayer.css";var ImportLayer=/*#__PURE__*/function(_React$Component){function ImportLayer(){var _this;_classCallCheck(this,ImportLayer);for(var _len=arguments.length,args=new Array(_len),_key=0;_key<_len;_key++){args[_key]=arguments[_key]}_this=_callSuper(this,ImportLayer,[].concat(args));_defineProperty(_this,"state",{type:"URL",file:null,url:"",pendingRequests:0,serviceLayers:null,addingLayer:false});_defineProperty(_this,"onFileSelected",function(file){_this.setState({file:file})});_defineProperty(_this,"scanService",function(url){var reqUrl=url!==null&&url!==void 0?url:_this.state.url;if(!reqUrl){return}if(!reqUrl.match(/^[^:]+:\/\/.*$/)&&!reqUrl.startsWith("/")){reqUrl=location.protocol+"//"+reqUrl}else{reqUrl=MiscUtils.adjustProtocol(reqUrl)}var pendingRequests=0;// Attempt to load catalog
if(reqUrl.toLowerCase().endsWith(".json")||reqUrl.toLowerCase().endsWith(".xml")&&!reqUrl.toLowerCase().endsWith("wmtscapabilities.xml")){++pendingRequests;var type;if(reqUrl.toLowerCase().endsWith(".json")){type="json"}else if(reqUrl.toLowerCase().endsWith(".xml")){type="xml"}axios.get(reqUrl).then(function(response){if(type==="xml"){var catalogPendingRequests=0;// Load from QGIS WMS/WFS connections
var doc=new DOMParser().parseFromString(response.data,"text/xml");var parsers=[{type:"wms",getCapabilities:ServiceLayerUtils.getWMSCapabilities,getLayers:function getLayers(capabilities,requestUrl){return ServiceLayerUtils.getWMSLayers(capabilities,requestUrl,true)}},{type:"wfs",getCapabilities:ServiceLayerUtils.getWFSCapabilities,getLayers:function getLayers(capabilities,requestUrl){return ServiceLayerUtils.getWFSLayers(capabilities,requestUrl,_this.props.mapCrs)}}];parsers.forEach(function(parser){var connections=doc.getElementsByTagName("qgs"+parser.type.toUpperCase()+"Connections");if(connections.length){var _iterator=_createForOfIteratorHelper([].slice.call(connections[0].getElementsByTagName(parser.type))),_step;try{for(_iterator.s();!(_step=_iterator.n()).done;){var conn=_step.value;++catalogPendingRequests;parser.getCapabilities(conn.attributes.url.value).then(function(_ref){var capabilities=_ref.capabilities,requestUrl=_ref.requestUrl;var result=parser.getLayers(capabilities,requestUrl);_this.setState(function(state){return{pendingRequests:state.pendingRequests-1,serviceLayers:(state.serviceLayers||[]).concat(result)}})})["catch"](function(){_this.setState(function(state){return{pendingRequests:state.pendingRequests-1,serviceLayers:state.serviceLayers||[]}})})}}catch(err){_iterator.e(err)}finally{_iterator.f()}}});_this.setState(function(state){return{pendingRequests:state.pendingRequests-1+catalogPendingRequests}})}else if(type==="json"&&response.data.catalog){// Load as JSON catalog
_this.setState(function(state){return{pendingRequests:state.pendingRequests-1,serviceLayers:(state.serviceLayers||[]).concat(response.data.catalog)}})}})["catch"](function(){_this.setState(function(state){return{pendingRequests:state.pendingRequests-1,serviceLayers:state.serviceLayers||[]}})})}// Attempt to load as WMTS
++pendingRequests;ServiceLayerUtils.getWMTSCapabilities(reqUrl).then(function(_ref2){var capabilities=_ref2.capabilities,requestUrl=_ref2.requestUrl;var result=ServiceLayerUtils.getWMTSLayers(capabilities,requestUrl,_this.props.mapCrs);_this.setState(function(state){return{pendingRequests:state.pendingRequests-1,serviceLayers:(state.serviceLayers||[]).concat(result)}})})["catch"](function(){_this.setState(function(state){return{pendingRequests:state.pendingRequests-1,serviceLayers:state.serviceLayers||[]}})});// Attempt to load as WMS
++pendingRequests;ServiceLayerUtils.getWMSCapabilities(reqUrl).then(function(_ref3){var capabilities=_ref3.capabilities,requestUrl=_ref3.requestUrl;var result=ServiceLayerUtils.getWMSLayers(capabilities,requestUrl);_this.setState(function(state){return{pendingRequests:state.pendingRequests-1,serviceLayers:(state.serviceLayers||[]).concat(result)}})})["catch"](function(){_this.setState(function(state){return{pendingRequests:state.pendingRequests-1,serviceLayers:state.serviceLayers||[]}})});// Attempt to load as WFS
++pendingRequests;ServiceLayerUtils.getWFSCapabilities(reqUrl).then(function(_ref4){var capabilities=_ref4.capabilities,requestUrl=_ref4.requestUrl;var result=ServiceLayerUtils.getWFSLayers(capabilities,requestUrl,_this.props.mapCrs);_this.setState(function(state){return{pendingRequests:state.pendingRequests-1,serviceLayers:(state.serviceLayers||[]).concat(result)}})})["catch"](function(){_this.setState(function(state){return{pendingRequests:state.pendingRequests-1,serviceLayers:state.serviceLayers||[]}})});_this.setState({pendingRequests:pendingRequests,serviceLayers:null})});_defineProperty(_this,"importFileLayer",function(){if(!_this.state.file){return}_this.setState({addingLayer:true});var file=_this.state.file;if(file.name.toLowerCase().endsWith(".pdf")){_this.addGeoPDFLayer(file)}else if(file.name.toLowerCase().endsWith(".zip")){_this.addSHPLayer(file)}else{var reader=new FileReader;reader.onload=function(ev){if(file.name.toLowerCase().endsWith(".kml")){_this.addKMLLayer(file.name,ev.target.result)}else if(file.name.toLowerCase().endsWith(".geojson")||file.name.toLowerCase().endsWith(".json")){var data={};try{data=JSON.parse(ev.target.result);_this.addGeoJSONLayer(file.name,data)}catch(e){/* Pass */}}else if(file.name.toLowerCase().endsWith(".pdf")){_this.addGeoPDFLayer(file.name,ev.target.result)}_this.setState({file:null,addingLayer:false})};reader.readAsText(_this.state.file)}});_defineProperty(_this,"addKMLLayer",function(filename,data){_this.addGeoJSONLayer(filename,{features:VectorLayerUtils.kmlToGeoJSON(data)})});_defineProperty(_this,"addGeoJSONLayer",function(filename,data){if(!data.features&&data.type==="Feature"){data={type:"FeatureCollection",features:[data],crs:data.crs}}if(!isEmpty(data.features)){var defaultCrs="EPSG:4326";if(data.crs&&data.crs.properties&&data.crs.properties.name){// Extract CRS from FeatureCollection crs
defaultCrs=CoordinatesUtils.fromOgcUrnCrs(data.crs.properties.name)}var features=data.features.map(function(feature){var crs=defaultCrs;if(feature.crs&&feature.crs.properties&&feature.crs.properties.name){crs=CoordinatesUtils.fromOgcUrnCrs(feature.crs.properties.name)}else if(typeof feature.crs==="string"){crs=feature.crs}if(feature.geometry&&feature.geometry.coordinates){feature.geometry.coordinates=feature.geometry.coordinates.map(VectorLayerUtils.convert3dto2d)}return _objectSpread(_objectSpread({},feature),{},{crs:crs})});_this.props.addLayerFeatures({name:filename,title:filename.replace(/\.[^/.]+$/,""),zoomToExtent:true},features,true)}else{// eslint-disable-next-line
alert(LocaleUtils.tr("importlayer.nofeatures"))}});_defineProperty(_this,"addGeoPDFLayer",function(file){var reader=new FileReader;reader.onload=function(ev){var pdfText=atob(ev.target.result.slice(28));/* FIXME: This is a very ugly way to extract PDF objects */var GPTS=pdfText.match(/\/GPTS\s+\[([^\]]+)\]/);var LPTS=pdfText.match(/\/LPTS\s+\[([^\]]+)\]/);var Viewport=pdfText.match(/<<([^>]+\/Type\s+\/Viewport[^>]+)>>/);var EPSG=pdfText.match(/\/EPSG\s*(\d+)/);if(!GPTS||!LPTS||!Viewport||!EPSG){/* eslint-disable-next-line */alert(LocaleUtils.tr("importlayer.notgeopdf"));_this.setState({file:null,addingLayer:false});return}var pairs=function pairs(res,value,idx,array){return idx%2===0?[].concat(_toConsumableArray(res),[array.slice(idx,idx+2)]):res};var gpts=GPTS[1].split(/\s+/).filter(Boolean).map(Number).reduce(pairs,[]).map(function(e){return e.reverse()});// lat-lon => lon-lat
var lpts=LPTS[1].split(/\s+/).filter(Boolean).map(Number).reduce(pairs,[]);var viewport=Viewport[1].match(/\/BBox\s+\[([^\]]+)\]/)[1].split(/\s+/).filter(Boolean).map(Number);var epsg=EPSG[1];var projDef=Proj4js.defs("EPSG:"+epsg);if(!projDef){/* eslint-disable-next-line */alert(LocaleUtils.tr("importlayer.unknownproj","EPSG:"+epsg));_this.setState({file:null,addingLayer:false});return}// Construct geog CS
var geogCs={projName:"longlat",ellps:projDef.ellps,datum_params:projDef.datum_params,no_defs:projDef.no_defs};// Compute the georeferenced area
// Note: this is a simplistic implementation, assuming that the frame is rectangular and not skewed
var getCornerIdx=function getCornerIdx(x,y){return lpts.findIndex(function(entry){return Math.round(entry[0])===x&&Math.round(entry[1])===y})};var idxBL=getCornerIdx(0,0);var idxTR=getCornerIdx(1,1);var computeCorner=function computeCorner(idx){return{pixel:[viewport[0]*(1-lpts[idx][0])+viewport[2]*lpts[idx][0],viewport[1]*(1-lpts[idx][1])+viewport[3]*lpts[idx][1]],// eslint-disable-next-line
coo:Proj4js(geogCs,_this.props.mapCrs,gpts[idx])}};var bl=computeCorner(idxBL);var tr=computeCorner(idxTR);var geoextent=[bl.coo[0],bl.coo[1],tr.coo[0],tr.coo[1]];var imgextent=[bl.pixel[0],bl.pixel[1],tr.pixel[0],tr.pixel[1]];import("pdfjs-dist/build/pdf").then(function(pdfjsLib){pdfjsLib.GlobalWorkerOptions.workerSrc=WorkerMessageHandler;pdfjsLib.getDocument(ev.target.result).promise.then(function(pdf){pdf.getPage(1).then(function(page){var pageViewport=page.getViewport({scale:1});var canvas=document.createElement("canvas");canvas.width=imgextent[2]-imgextent[0];canvas.height=imgextent[3]-imgextent[1];var context=canvas.getContext("2d");context.translate(-imgextent[0],-(pageViewport.height-imgextent[3]));page.render({canvasContext:context,viewport:pageViewport}).promise.then(function(){_this.props.addLayer({type:"image",name:file.name,title:file.name,url:canvas.toDataURL(),projection:_this.props.mapCrs,imageExtent:geoextent});_this.setState({file:null,addingLayer:false})})})})})["catch"](function(){/* eslint-disable-next-line */console.warn("pdfjs import failed");_this.setState({file:null,addingLayer:false})})};reader.readAsDataURL(file)});_defineProperty(_this,"addSHPLayer",/*#__PURE__*/function(){var _ref5=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(file){var _yield$import,_BrowserFileSystem,load,_yield$import2,ShapefileLoader,_yield$import3,ZipLoader,fileMap,EXTENSIONS,files,fileName,name,ext,fileList,blob,f,list,fileSystem,fetch,filename,data;return _regeneratorRuntime().wrap(function _callee$(_context){while(1)switch(_context.prev=_context.next){case 0:_context.next=2;return import("@loaders.gl/core");case 2:_yield$import=_context.sent;_BrowserFileSystem=_yield$import._BrowserFileSystem;load=_yield$import.load;_context.next=7;return import("@loaders.gl/shapefile");case 7:_yield$import2=_context.sent;ShapefileLoader=_yield$import2.ShapefileLoader;_context.next=11;return import("@loaders.gl/zip");case 11:_yield$import3=_context.sent;ZipLoader=_yield$import3.ZipLoader;if(!(file.type==="application/zip")){_context.next=51;break}_context.next=16;return load(file,ZipLoader);case 16:fileMap=_context.sent;EXTENSIONS=["shp","shx","dbf","cpg","prj"];files={};// Iterate through all the files in ZIP to get a list of (SHP + sidecar files) by filename
for(fileName in fileMap){if(Object.hasOwn(fileMap,fileName)){name=fileName.split(".")[0];ext=fileName.split(".").pop();fileList=files[name]||[];if(EXTENSIONS.includes(ext)){// Create Blob and File from arrayBuffer loaded by ZipLoader
blob=new Blob([fileMap[fileName]]);fileList.push(new File([blob],fileName))}files[name]=fileList}}// Load each SHP with sidecar files as GeoJSON features
_context.t0=_regeneratorRuntime().keys(files);case 21:if((_context.t1=_context.t0()).done){_context.next=50;break}f=_context.t1.value;if(!Object.hasOwn(files,f)){_context.next=48;break}list=files[f];fileSystem=new _BrowserFileSystem(list);fetch=fileSystem.fetch.bind(fileSystem.fetch);filename="".concat(f,".shp");// Load SHP and reproject to mapCrs
data=null;_context.prev=29;_context.next=32;return load(filename,ShapefileLoader,{fetch:fetch,shapefile:{shape:"geojson-table"},gis:{format:"geojson",reproject:true,_targetCrs:_this.props.mapCrs}});case 32:data=_context.sent;_context.next=47;break;case 35:_context.prev=35;_context.t2=_context["catch"](29);_context.prev=37;_context.next=40;return load(filename,ShapefileLoader,{fetch:fetch,shapefile:{shape:"geojson-table"},gis:{format:"geojson",reproject:false,_targetCrs:_this.props.mapCrs}});case 40:data=_context.sent;/* eslint-disable-next-line */alert(LocaleUtils.tr("importlayer.shpreprojectionerror"));_context.next=47;break;case 44:_context.prev=44;_context.t3=_context["catch"](37);data=null;case 47:if(data){data.crs={type:"name",properties:{name:CoordinatesUtils.toOgcUrnCrs(_this.props.mapCrs)}};// Add data as GeoJSON layer
_this.addGeoJSONLayer(f,data)}case 48:_context.next=21;break;case 50:_this.setState({file:null,addingLayer:false});case 51:case"end":return _context.stop()}},_callee,null,[[29,35],[37,44]])}));return function(_x){return _ref5.apply(this,arguments)}}());return _this}_inherits(ImportLayer,_React$Component);return _createClass(ImportLayer,[{key:"renderInputField",value:function renderInputField(){var _this2=this;var placeholder=LocaleUtils.tr("importlayer.urlplaceholder");var urlPresets=ConfigUtils.getConfigProp("importLayerUrlPresets",this.props.theme)||[];if(this.state.type==="Local"){return/*#__PURE__*/React.createElement(FileSelector,{accept:".kml,.json,.geojson,.pdf,.zip",file:this.state.file,onFileSelected:this.onFileSelected,title:LocaleUtils.tr("importlayer.supportedformats")})}else{return/*#__PURE__*/React.createElement(EditableSelect,{onChange:function onChange(value){return _this2.setState({url:value})},onSubmit:this.scanService,options:urlPresets,placeholder:placeholder,readOnly:this.state.pendingRequests>0,value:this.state.url})}}},{key:"render",value:function render(){var _this3=this;var button=null;if(this.state.type==="URL"){button=/*#__PURE__*/React.createElement("button",{className:"button importlayer-addbutton",disabled:!this.state.url||this.state.pendingRequests>0,onClick:function onClick(){return _this3.scanService()}},this.state.pendingRequests>0?/*#__PURE__*/React.createElement(Spinner,null):null,LocaleUtils.tr("importlayer.connect"))}else{button=/*#__PURE__*/React.createElement("button",{className:"button importlayer-addbutton",disabled:this.state.file===null||this.state.addingLayer,onClick:this.importFileLayer,type:"button"},this.state.addingLayer?/*#__PURE__*/React.createElement(Spinner,null):null,LocaleUtils.tr("importlayer.addlayer"))}var layerList=null;if(this.state.serviceLayers!==null){layerList=/*#__PURE__*/React.createElement(LayerCatalogWidget,{addLayer:this.props.addLayer,catalog:this.state.serviceLayers,pendingRequests:this.state.pendingRequests,removeLayer:this.props.removeLayer,replacePlaceholderLayer:this.props.replacePlaceholderLayer})}var disableLocal=ConfigUtils.getConfigProp("disableImportingLocalLayers",this.props.theme);return/*#__PURE__*/React.createElement("div",{className:"ImportLayer"},/*#__PURE__*/React.createElement("div",{className:"importlayer-input-fields controlgroup"},/*#__PURE__*/React.createElement("select",{disabled:this.state.pendingRequests>0,onChange:function onChange(ev){return _this3.setState({type:ev.target.value,file:null,url:"",serviceLayers:null})},value:this.state.type},/*#__PURE__*/React.createElement("option",{value:"URL"},LocaleUtils.tr("importlayer.url")),!disableLocal?/*#__PURE__*/React.createElement("option",{value:"Local"},LocaleUtils.tr("importlayer.localfile")):null),this.renderInputField()),button,layerList)}}])}(React.Component);_defineProperty(ImportLayer,"propTypes",{addLayer:PropTypes.func,addLayerFeatures:PropTypes.func,mapCrs:PropTypes.string,removeLayer:PropTypes.func,replacePlaceholderLayer:PropTypes.func,theme:PropTypes.object,themes:PropTypes.object});export default connect(function(state){return{mapCrs:state.map.projection,themes:state.theme.themes}},{addLayer:addLayer,addLayerFeatures:addLayerFeatures,removeLayer:removeLayer,replacePlaceholderLayer:replacePlaceholderLayer})(ImportLayer);