qwc2/components/MapSelection.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 _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 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 FeatureStyles from"../utils/FeatureStyles";import MapUtils from"../utils/MapUtils";import MeasureUtils from"../utils/MeasureUtils";var MapSelection=/*#__PURE__*/function(_React$Component){function MapSelection(props){var _this;_classCallCheck(this,MapSelection);_this=_callSuper(this,MapSelection,[props]);_defineProperty(_this,"state",{geometry:null,modifiers:{alt:false,ctrl:false,shift:false}});_defineProperty(_this,"addDrawInteraction",function(){// cleanup old interaction
if(_this.drawInteraction){_this.removeDrawInteraction()}if(_this.props.geomType==="DragBox"){_this.drawInteraction=new ol.interaction.DragBox({className:"selection-drag-box"});_this.drawInteraction.on("boxend",function(){_this.updateSelectionState(_this.drawInteraction.getGeometry())})}else{var typeMap={Point:"Point",LineString:"LineString",Polygon:"Polygon",Circle:"Circle",Box:"Circle"};if(!typeMap[_this.props.geomType]){// Unknown geom type
return}// create an interaction to draw with
_this.drawInteraction=new ol.interaction.Draw({stopClick:true,source:_this.selectionLayer.getSource(),condition:function condition(event){return event.originalEvent.buttons===1},type:typeMap[_this.props.geomType],style:function style(feature){return FeatureStyles[_this.props.styleName](feature,_objectSpread(_objectSpread({},_this.props.styleOptions),{},{circleRadius:0}))},geometryFunction:_this.props.geomType==="Box"?ol.interaction.createBox():undefined});_this.drawInteraction.on("drawstart",function(evt){// clear previous sketches
_this.selectionLayer.getSource().clear();evt.feature.on("change",function(){return _this.updateMeasurements(evt.feature)})},_this);_this.drawInteraction.on("drawend",function(evt){_this.updateSelectionState(evt.feature.getGeometry())},_this)}_this.map.addInteraction(_this.drawInteraction);window.addEventListener("keydown",_this.checkModifier);window.addEventListener("keyup",_this.checkModifier);if(_this.props.cursor){_this.map.getViewport().style.cursor=_this.props.cursor}});_defineProperty(_this,"removeDrawInteraction",function(){if(_this.drawInteraction!==null){_this.map.removeInteraction(_this.drawInteraction);_this.drawInteraction=null}window.removeEventListener("keydown",_this.checkModifier);window.removeEventListener("keyup",_this.checkModifier);_this.map.getViewport().style.cursor=""});_defineProperty(_this,"checkModifier",function(ev){var down=ev.type==="keydown";_this.setState(function(state){return{modifiers:{alt:ev.key==="Alt"?down:state.modifiers.alt,ctrl:ev.key==="Control"?down:state.modifiers.ctrl,shift:ev.key==="Shift"?down:state.modifiers.shift}}})});_defineProperty(_this,"updateSelectionState",function(geometry){if(!geometry){return}var coords=_this.props.geomType==="Circle"?null:geometry.getCoordinates();if(_this.props.geomType==="Circle"){// Also store poligonized circle
var center=geometry.getCenter();var radius=geometry.getRadius();var deg2rad=Math.PI/180;var polycords=[Array.apply(null,Array(91)).map(function(item,index){return[center[0]+radius*Math.cos(4*index*deg2rad),center[1]+radius*Math.sin(4*index*deg2rad)]})];_this.setState({geometry:{type:"Polygon",coordinates:polycords,center:center,radius:radius}})}else if(_this.props.geomType==="DragBox"||_this.props.geomType==="Box"){var boxcoords=[[Math.min(coords[0][0][0],coords[0][2][0]),Math.min(coords[0][0][1],coords[0][2][1]),Math.max(coords[0][0][0],coords[0][2][0]),Math.max(coords[0][0][1],coords[0][2][1])]];_this.setState({geometry:{type:"Polygon",coordinates:boxcoords}})}else{_this.setState({geometry:{type:_this.props.geomType,coordinates:coords}})}});_defineProperty(_this,"updateMeasurements",function(feature){if(!_this.props.measure){return}var settings={lenUnit:"metric",areaUnit:"metric"};MeasureUtils.updateFeatureMeasurements(feature,_this.props.geomType,_this.props.projection,settings)});_this.drawInteraction=null;_this.map=MapUtils.getHook(MapUtils.GET_MAP);// create a layer to draw on
_this.selectionLayer=new ol.layer.Vector({source:new ol.source.Vector,zIndex:1000000,style:function style(feature){return FeatureStyles[_this.props.styleName](feature,_this.props.styleOptions)}});_this.map.addLayer(_this.selectionLayer);_this.selectionLayer.setVisible(!_this.props.hideGeometry);return _this}_inherits(MapSelection,_React$Component);return _createClass(MapSelection,[{key:"componentDidMount",value:function componentDidMount(){if(this.props.active){this.addDrawInteraction()}}},{key:"componentDidUpdate",value:function componentDidUpdate(prevProps,prevState){if(this.props.hideGeometry!==prevProps.hideGeometry){this.selectionLayer.setVisible(!this.props.hideGeometry)}if(this.props.geomType!==prevProps.geomType){this.selectionLayer.getSource().clear()}if(this.props.active&&!prevProps.active||this.props.active&&this.props.geomType!==prevProps.geomType){this.addDrawInteraction()}else if(!this.props.active&&prevProps.active){this.removeDrawInteraction()}if(this.state.geometry!==prevState.geometry){if(this.state.geometry!==this.props.geometry){this.props.geometryChanged(this.state.geometry,_objectSpread({},this.state.modifiers))}}if(this.props.geometry!==prevProps.geometry&&this.props.geometry!==this.state.geometry){if(!this.props.geometry){this.selectionLayer.getSource().clear()}else{var feature=this.selectionLayer.getSource().getFeatures()[0];if(!feature){feature=new ol.Feature;this.selectionLayer.getSource().addFeature(feature)}if(this.props.geometry.type==="Point"){feature.setGeometry(new ol.geom.Point(this.props.geometry.coordinates))}else if(this.props.geometry.type==="MultiPoint"){feature.setGeometry(new ol.geom.Multi(this.props.geometry.coordinates))}else if(this.props.geometry.type==="LineString"){feature.setGeometry(new ol.geom.LineString(this.props.geometry.coordinates))}else if(this.props.geometry.type==="MultiLineString"){feature.setGeometry(new ol.geom.MultiLineString(this.props.geometry.coordinates))}else if(this.props.geometry.type==="Polygon"){if(this.props.geometry.center&&this.props.geometry.radius){feature.setGeometry(new ol.geom.Circle(this.props.geometry.center,this.props.geometry.radius))}else{feature.setGeometry(new ol.geom.Polygon(this.props.geometry.coordinates))}}else if(this.props.geometry.type==="MultiPolygon"){feature.setGeometry(new ol.geom.MultiPolygon(this.props.geometry.coordinates))}this.setState({geometry:this.props.geometry})}}}},{key:"componentWillUnmount",value:function componentWillUnmount(){this.map.removeLayer(this.selectionLayer);this.removeDrawInteraction()}},{key:"render",value:function render(){return null}}])}(React.Component);_defineProperty(MapSelection,"propTypes",{/** Whether the selection tool is active */active:PropTypes.bool,/** Optional, a css-cursor to use when drawing */cursor:PropTypes.string,/** The selection geometry type (Point, LineString, Polygon, Circle, DragBox, Box) */geomType:PropTypes.string,/** Initial geometry or geometry to update. */geometry:PropTypes.object,/** The callback which is invoked with a drawn geometry. */geometryChanged:PropTypes.func,/** Whether to hide the current selection (except while drawing). */hideGeometry:PropTypes.bool,/** Whether to show measurements while drawing. */measure:PropTypes.bool,projection:PropTypes.string,/** Optional: the selection feature style name. */styleName:PropTypes.string,/** Optional: the selection feature style options. */styleOptions:PropTypes.object});_defineProperty(MapSelection,"defaultProps",{styleName:"default",styleOptions:{}});export default connect(function(state){return{projection:state.map.projection}},{})(MapSelection);