65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
import React from 'react';
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import PropTypes from 'prop-types';
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import {MapContainer,Polyline,TileLayer} from 'react-leaflet';
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import MarkerClusterGroup from 'react-leaflet-cluster';
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/*JS module import (vs cdn or style link)*/
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import 'leaflet/dist/leaflet.css'
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import './entities-map.css';
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import EntitiesMarker from './entities-marker';
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export default function EntitiesMap({entities}) {
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/*lat and lon of Braunschweig,DE*/
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const position = [52.26594, 10.52673]
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if ( entities !== undefined && entities !== null && entities.length > 0 ) {
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/*return a React element*/
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return (
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<>
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<MapContainer
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center={position}
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zoom={7}
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minZoom={4}
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maxZoom={18}
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maxBounds={[[-60, -180], [85, 180]]}
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scrollWheelZoom={true}
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>
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<TileLayer
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attribution='© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
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url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
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/>
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<MarkerClusterGroup
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chunkedLoading
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>
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{
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entities.map(function(value,key) {
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if(value.stop_lat!==undefined && value.stop_lat!==null && value.stop_lon!==undefined && value.stop_lon!==null){
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return <EntitiesMarker
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key={value.stop_id}
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index={value.stop_id}
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id={value.stop_id}
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lat={value.stop_lat}
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lon={value.stop_lon}
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name={value.stop_name}
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/>;
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}
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})
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}
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</MarkerClusterGroup>
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</MapContainer>
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</>
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);
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}else{
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return (
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<>
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<p>Loading...</p>
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</>
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);
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}
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}
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EntitiesMap.propTypes = {
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entities: PropTypes.array
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};
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