qwc2/components/map/OlLayer.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 _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}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 _classCallCheck(a,n){if(!(a instanceof n))throw new TypeError("Cannot call a class as a function")}function _defineProperties(e,r){for(var t=0;t<r.length;t++){var o=r[t];o.enumerable=o.enumerable||!1,o.configurable=!0,"value"in o&&(o.writable=!0),Object.defineProperty(e,_toPropertyKey(o.key),o)}}function _createClass(e,r,t){return r&&_defineProperties(e.prototype,r),t&&_defineProperties(e,t),Object.defineProperty(e,"prototype",{writable:!1}),e}function _callSuper(t,o,e){return o=_getPrototypeOf(o),_possibleConstructorReturn(t,_isNativeReflectConstruct()?Reflect.construct(o,e||[],_getPrototypeOf(t).constructor):o.apply(t,e))}function _possibleConstructorReturn(t,e){if(e&&("object"==_typeof(e)||"function"==typeof e))return e;if(void 0!==e)throw new TypeError("Derived constructors may only return object or undefined");return _assertThisInitialized(t)}function _assertThisInitialized(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function _isNativeReflectConstruct(){try{var t=!Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}))}catch(t){}return(_isNativeReflectConstruct=function _isNativeReflectConstruct(){return!!t})()}function _getPrototypeOf(t){return _getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(t){return t.__proto__||Object.getPrototypeOf(t)},_getPrototypeOf(t)}function _inherits(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),Object.defineProperty(t,"prototype",{writable:!1}),e&&_setPrototypeOf(t,e)}function _setPrototypeOf(t,e){return _setPrototypeOf=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return 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 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 React from"react";import{connect}from"react-redux";import ol from"openlayers";import PropTypes from"prop-types";import{refreshLayer,setLayerLoading}from"../../actions/layers";import CoordinatesUtils from"../../utils/CoordinatesUtils";import LayerUtils from"../../utils/LayerUtils";import MapUtils from"../../utils/MapUtils";import Signal from"../../utils/Signal";import LayerRegistry from"./layers/index";export var OlLayerAdded=new Signal;export var OlLayerUpdated=new Signal;var OlLayer=/*#__PURE__*/function(_React$Component){function OlLayer(props){var _this;_classCallCheck(this,OlLayer);_this=_callSuper(this,OlLayer,[props]);_defineProperty(_this,"makeOptions",function(options){var _options$opacity,_options$visibility;var projection=options.srs||options.crs||options.projection||_this.props.projection;return _objectSpread(_objectSpread({},options),{},{projection:projection,opacity:(_options$opacity=options.opacity)!==null&&_options$opacity!==void 0?_options$opacity:255,visibility:(_options$visibility=options.visibility)!==null&&_options$visibility!==void 0?_options$visibility:true,minResolution:typeof options.minScale==="number"?MapUtils.getResolutionsForScales([options.minScale],projection)[0]:undefined,maxResolution:typeof options.maxScale==="number"?MapUtils.getResolutionsForScales([options.maxScale],projection)[0]:undefined})});_defineProperty(_this,"createLayer",function(options){if(options.type==="group"){_this.layer=new ol.layer.Group({zIndex:_this.props.zIndex});_this.layer.setLayers(new ol.Collection(options.items.map(function(item){var layerCreator=LayerRegistry[item.type];if(layerCreator){var sublayer=layerCreator.create(_this.makeOptions(item),_this.props.map);sublayer.set("id",options.id+"#"+item.name);return sublayer}else{return null}}).filter(function(x){return x})))}else{var layerCreator=LayerRegistry[options.type];if(layerCreator){_this.layer=layerCreator.create(options,_this.props.map)}}if(_this.layer){_this.layer.set("id",options.id);// WMS layer handles visibility and opacity internally
if(options.type!=="wms"){_this.layer.setVisible(_this.layer.get("empty")!==true&&options.visibility);_this.layer.setOpacity(options.opacity/255)}_this.layer.setZIndex(_this.props.zIndex);_this.addLayer(_this.layer,options);var refreshInterval=LayerUtils.getLayerRefreshInterval(options);if(refreshInterval>0&&options.visibility){_this.updateInterval=setInterval(function(){_this.props.refreshLayer(function(layer){return layer.id===options.id})},refreshInterval)}}});_defineProperty(_this,"updateLayer",function(newOptions,oldOptions){// optimization to avoid to update the layer if not necessary
if(newOptions===oldOptions){return}var layerCreator=LayerRegistry[_this.props.options.type];if(layerCreator&&layerCreator.update){layerCreator.update(_this.layer,newOptions,oldOptions,_this.props.map);OlLayerUpdated.notify(_this.layer)}var oldRefreshInterval=LayerUtils.getLayerRefreshInterval(oldOptions);var newRefreshInterval=LayerUtils.getLayerRefreshInterval(newOptions);if(oldRefreshInterval!==newRefreshInterval||oldOptions.visibility!==newOptions.visibility){clearInterval(_this.updateInterval);_this.updateInterval=null;if(newRefreshInterval&&newOptions.visibility){_this.updateInterval=setInterval(function(){_this.props.refreshLayer(function(layer){return layer.id===newOptions.id})},newRefreshInterval)}}});_defineProperty(_this,"addLayer",function(layer,options){_this.props.map.addLayer(layer);OlLayerAdded.notify(layer);layer.on("prerender",function(event){var ctx=event.context;ctx.save();ctx.beginPath();if(_this.props.swipe!==null&&_this.props.swipe!==undefined){var width=ctx.canvas.width*(_this.props.swipe/100);ctx.rect(0,0,width,ctx.canvas.height);ctx.clip()}});layer.on("postrender",function(event){event.context.restore()});if(options.zoomToExtent&&options.bbox&&options.bbox.bounds){var map=_this.props.map;var extent=CoordinatesUtils.reprojectBbox(options.bbox.bounds,options.bbox.crs,map.getView().getProjection());try{map.getView().fit(extent,map.getSize())}catch(e){/* pass */}}var sublayers={};if(layer instanceof ol.layer.Group){layer.getLayers().forEach(function(sublayer){sublayers[options.id+"#"+sublayer.get("id")]=sublayer})}else{sublayers[options.id]=layer}Object.entries(sublayers).map(function(_ref){var _ref2=_slicedToArray(_ref,2),id=_ref2[0],sublayer=_ref2[1];if(sublayer.getSource()&&sublayer.getSource().getImageLoadFunction){sublayer.getSource().on("imageloadstart",function(){_this.props.setLayerLoading(id,true)});sublayer.getSource().on("imageloadend",function(){_this.props.setLayerLoading(id,false)});sublayer.getSource().on("imageloaderror",function(){_this.props.setLayerLoading(id,false)})}else if(sublayer.getSource()&&sublayer.getSource().getTileLoadFunction){sublayer.getSource().on("tileloadstart",function(){if(_this.tilestoload===0){_this.props.setLayerLoading(id,true)}_this.tilestoload++});sublayer.getSource().on("tileloadend",function(){_this.tilestoload--;if(_this.tilestoload===0){_this.props.setLayerLoading(id,false)}});sublayer.getSource().on("tileloaderror",function(){_this.tilestoload--;if(_this.tilestoload===0){_this.props.setLayerLoading(id,false)}})}else if(sublayer.getSource()&&sublayer.getSource()instanceof ol.source.Vector&&sublayer.getSource().getUrl()){sublayer.getSource().on("featuresloadstart",function(){_this.props.setLayerLoading(id,true)});sublayer.getSource().on("featuresloadend",function(){_this.props.setLayerLoading(id,false)});sublayer.getSource().on("featuresloaderror",function(){_this.props.setLayerLoading(id,false)})}})});_this.layer=null;_this.updateInterval=null;return _this}_inherits(OlLayer,_React$Component);return _createClass(OlLayer,[{key:"componentDidMount",value:function componentDidMount(){this.tilestoload=0;this.createLayer(this.makeOptions(this.props.options))}},{key:"componentDidUpdate",value:function componentDidUpdate(prevProps){if(!this.layer){return}var newOptions=this.makeOptions(this.props.options);var oldOptions=this.makeOptions(prevProps.options);this.updateLayer(newOptions,oldOptions);// WMS layer handles visibility and opacity internally
if(newOptions.type!=="wms"){this.layer.setVisible(newOptions.visibility);this.layer.setOpacity(newOptions.opacity/255)}this.layer.setZIndex(this.props.zIndex);if(this.props.swipe!==prevProps.swipe){this.props.map.render()}}},{key:"componentWillUnmount",value:function componentWillUnmount(){if(this.layer&&this.props.map){this.props.map.removeLayer(this.layer)}clearInterval(this.updateInterval)}},{key:"render",value:function render(){var layerCreator=LayerRegistry[this.props.options.type];if(layerCreator&&layerCreator.render){// NOTE: required for Google Maps layer
return layerCreator.render(this.props.options,this.props.map,this.layer)}return null}}])}(React.Component);_defineProperty(OlLayer,"propTypes",{map:PropTypes.object,options:PropTypes.object,projection:PropTypes.string,refreshLayer:PropTypes.func,setLayerLoading:PropTypes.func,swipe:PropTypes.number,zIndex:PropTypes.number});export default connect(function(){return{}},{setLayerLoading:setLayerLoading,refreshLayer:refreshLayer})(OlLayer);