qwc2/components/map/layers/WMSLayer.js

QGIS Web Client

function _typeof(o){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(o){return typeof o}:function(o){return o&&"function"==typeof Symbol&&o.constructor===Symbol&&o!==Symbol.prototype?"symbol":typeof o},_typeof(o)}function ownKeys(e,r){var t=Object.keys(e);if(Object.getOwnPropertySymbols){var o=Object.getOwnPropertySymbols(e);r&&(o=o.filter(function(r){return Object.getOwnPropertyDescriptor(e,r).enumerable})),t.push.apply(t,o)}return t}function _objectSpread(e){for(var r=1;r<arguments.length;r++){var t=null!=arguments[r]?arguments[r]:{};r%2?ownKeys(Object(t),!0).forEach(function(r){_defineProperty(e,r,t[r])}):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(t)):ownKeys(Object(t)).forEach(function(r){Object.defineProperty(e,r,Object.getOwnPropertyDescriptor(t,r))})}return 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)}function _slicedToArray(r,e){return _arrayWithHoles(r)||_iterableToArrayLimit(r,e)||_unsupportedIterableToArray(r,e)||_nonIterableRest()}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _unsupportedIterableToArray(r,a){if(r){if("string"==typeof r)return _arrayLikeToArray(r,a);var t={}.toString.call(r).slice(8,-1);return"Object"===t&&r.constructor&&(t=r.constructor.name),"Map"===t||"Set"===t?Array.from(r):"Arguments"===t||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t)?_arrayLikeToArray(r,a):void 0}}function _arrayLikeToArray(r,a){(null==a||a>r.length)&&(a=r.length);for(var e=0,n=Array(a);e<a;e++)n[e]=r[e];return n}function _iterableToArrayLimit(r,l){var t=null==r?null:"undefined"!=typeof Symbol&&r[Symbol.iterator]||r["@@iterator"];if(null!=t){var e,n,i,u,a=[],f=!0,o=!1;try{if(i=(t=t.call(r)).next,0===l){if(Object(t)!==t)return;f=!1}else for(;!(f=(e=i.call(t)).done)&&(a.push(e.value),a.length!==l);f=!0);}catch(r){o=!0,n=r}finally{try{if(!f&&null!=t["return"]&&(u=t["return"](),Object(u)!==u))return}finally{if(o)throw n}}return a}}function _arrayWithHoles(r){if(Array.isArray(r))return r}/**
 * Copyright 2015 GeoSolutions Sas
 * Copyright 2016-2024 Sourcepole AG
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree.
 */import axios from"axios";import ol from"openlayers";import url from"url";import ConfigUtils from"../../../utils/ConfigUtils";import CoordinatesUtils from"../../../utils/CoordinatesUtils";import MiscUtils from"../../../utils/MiscUtils";export function wmsImageLoadFunction(image,src){var maxUrlLength=ConfigUtils.getConfigProp("wmsMaxGetUrlLength",null,2048);var postOrigins=ConfigUtils.getConfigProp("wmsPostOrigins",null,[]);var reqOrigin=new URL(src,location.href).origin;if(src.length>maxUrlLength&&(location.origin===reqOrigin||postOrigins.includes(reqOrigin))){// Switch to POST if url is too long
var urlParts=src.split("?");urlParts[1]+="&csrf_token="+MiscUtils.getCsrfToken();var options={headers:{"content-type":"application/x-www-form-urlencoded"},responseType:"blob"};axios.post(urlParts[0],urlParts[1],options).then(function(response){var reader=new FileReader;reader.readAsDataURL(response.data);reader.onload=function(){image.src=reader.result}})["catch"](function(){// Fall back to GET
image.src=src})}else{image.src=src}}export function wmsToOpenlayersOptions(options){var _ref3,_urlParams$TILED;var urlParams=Object.entries(url.parse(options.url,true).query).reduce(function(res,_ref){var _ref2=_slicedToArray(_ref,2),key=_ref2[0],val=_ref2[1];return _objectSpread(_objectSpread({},res),{},_defineProperty({},key.toUpperCase(),val))},{});return _objectSpread(_objectSpread({},urlParams),{},{LAYERS:options.name,STYLES:options.style||"",FORMAT:options.format||"image/png",TRANSPARENT:options.transparent!==undefined?options.transparent:true,SRS:options.projection,CRS:options.projection,TILED:String((_ref3=(_urlParams$TILED=urlParams.TILED)!==null&&_urlParams$TILED!==void 0?_urlParams$TILED:options.tiled)!==null&&_ref3!==void 0?_ref3:false).toLowerCase()==="true",VERSION:options.version,DPI:options.serverType==="qgis"?options.dpi||ConfigUtils.getConfigProp("wmsDpi")||96:undefined},options.params)}export function getClientSideOpacity(options,queryParameters){var _queryParameters$OPAC;// If no OPACITIES in WMS params, just return options.opacity
if(!queryParameters.OPACITIES){var _options$opacity;return((_options$opacity=options.opacity)!==null&&_options$opacity!==void 0?_options$opacity:255)/255}// If WMS parameters contain only one opacity value, set opacity client side (as some WMS servers don't support opacity)
var opacities=((_queryParameters$OPAC=queryParameters.OPACITIES)!==null&&_queryParameters$OPAC!==void 0?_queryParameters$OPAC:"255").split(",");if(opacities.length===1){queryParameters.OPACITIES="255";return parseInt(opacities[0],10)/255}return undefined}export default{create:function create(options,map){var queryParameters=_objectSpread(_objectSpread({},wmsToOpenlayersOptions(options)),{},{__t:+new Date});var clientSideOpacity=getClientSideOpacity(options,queryParameters);if(queryParameters.TILED&&!options.bbox){/* eslint-disable-next-line */console.warn("Tiled WMS requested without specifying bounding box, falling back to non-tiled.")}var layer=null;if(!queryParameters.TILED||!options.bbox){layer=new ol.layer.Image(_objectSpread({minResolution:options.minResolution,maxResolution:options.maxResolution,source:new ol.source.ImageWMS(_objectSpread({url:options.url.split("?")[0],serverType:options.serverType,params:queryParameters,ratio:options.ratio||1,hidpi:ConfigUtils.getConfigProp("wmsHidpi")!==false?true:false,imageLoadFunction:function imageLoadFunction(image,src){return wmsImageLoadFunction(image.getImage(),src)}},options.sourceConfig||{}))},options.layerConfig||{}))}else{var extent=CoordinatesUtils.reprojectBbox(options.bbox.bounds,options.bbox.crs,options.projection);var tileGrid=new ol.tilegrid.TileGrid({extent:extent,tileSize:options.tileSize||256,maxZoom:map.getView().getResolutions().length,resolutions:map.getView().getResolutions()});layer=new ol.layer.Tile(_objectSpread({minResolution:options.minResolution,maxResolution:options.maxResolution,preload:ConfigUtils.getConfigProp("tilePreloadLevels",null,0),source:new ol.source.TileWMS(_objectSpread({urls:[options.url.split("?")[0]],params:queryParameters,serverType:options.serverType,tileGrid:tileGrid,hidpi:ConfigUtils.getConfigProp("wmsHidpi")!==false?true:false,tileLoadFunction:function tileLoadFunction(imageTile,src){return wmsImageLoadFunction(imageTile.getImage(),src)}},options.sourceConfig||{}))},options.layerConfig||{}))}layer.setVisible(queryParameters.LAYERS&&options.visibility);layer.setOpacity(clientSideOpacity!==null&&clientSideOpacity!==void 0?clientSideOpacity:100);return layer},update:function update(layer,newOptions,oldOptions){var _layer$getSource;if(oldOptions&&layer!==null&&layer!==void 0&&(_layer$getSource=layer.getSource())!==null&&_layer$getSource!==void 0&&_layer$getSource.updateParams){var changed=(oldOptions.rev||0)!==(newOptions.rev||0);var oldParams=wmsToOpenlayersOptions(oldOptions);getClientSideOpacity(oldOptions,oldParams);var newParams=wmsToOpenlayersOptions(newOptions);var clientSideOpacity=getClientSideOpacity(newOptions,newParams);Object.keys(oldParams).forEach(function(key){if(!(key in newParams)){newParams[key]=undefined}});if(!changed){changed=Object.keys(newParams).find(function(key){return newParams[key]!==oldParams[key]})!==undefined}changed|=newOptions.visibility!==oldOptions.visibility;if(changed){var queryParameters=_objectSpread(_objectSpread({},newParams),{},{__t:+new Date});if(layer.get("updateTimeout")){clearTimeout(layer.get("updateTimeout"))}if(!newOptions.visibility||!queryParameters.LAYERS){layer.setVisible(false)}layer.setOpacity(clientSideOpacity!==null&&clientSideOpacity!==void 0?clientSideOpacity:100);layer.set("updateTimeout",setTimeout(function(){layer.setVisible(queryParameters.LAYERS&&newOptions.visibility);layer.getSource().updateParams(queryParameters);layer.getSource().changed();layer.set("updateTimeout",null)},500))}else{layer.setOpacity(clientSideOpacity!==null&&clientSideOpacity!==void 0?clientSideOpacity:100)}}}};