124 lines
2.8 KiB
JavaScript
124 lines
2.8 KiB
JavaScript
import React from 'react';
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import ReactMapboxGl, { ZoomControl, GeoJSONLayer } from 'react-mapbox-gl';
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import mapboxgl, { LngLatBounds } from 'mapbox-gl';
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import PropTypes from 'prop-types';
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const Map = ReactMapboxGl({});
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const MapReader = ({ geoData }) => {
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let [selectionCollection, cadastresCollection] = [[], []];
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for (let selection of geoData.selection.coordinates) {
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selectionCollection.push({
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type: 'Feature',
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geometry: {
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type: 'Polygon',
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coordinates: selection
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}
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});
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}
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for (let cadastre of geoData.cadastres) {
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cadastresCollection.push({
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type: 'Feature',
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geometry: {
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type: 'Polygon',
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coordinates: cadastre.geometry.coordinates[0]
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}
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});
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}
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const selectionData = {
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type: 'geojson',
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data: {
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type: 'FeatureCollection',
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features: selectionCollection
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}
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};
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const cadastresData = {
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type: 'geojson',
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data: {
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type: 'FeatureCollection',
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features: cadastresCollection
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}
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};
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const polygonSelectionFill = {
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'fill-color': '#EC3323',
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'fill-opacity': 0.5
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};
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const polygonSelectionLine = {
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'line-color': 'rgba(255, 0, 0, 1)',
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'line-width': 4
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};
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const polygonCadastresFill = {
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'fill-color': '#9CA090',
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'fill-opacity': 0.5
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};
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const polygonCadastresLine = {
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'line-color': 'rgba(156, 160, 144, 255)',
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'line-width': 2,
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'line-dasharray': [1, 1]
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};
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let bounds = new LngLatBounds();
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for (let selection of selectionCollection) {
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for (let coordinate of selection.geometry.coordinates[0]) {
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bounds.extend(coordinate);
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}
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}
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let [swCoords, neCoords] = [
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Object.values(bounds._sw),
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Object.values(bounds._ne)
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];
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const boundData = [swCoords, neCoords];
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if (!mapboxgl.supported()) {
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return (
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<p>
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Nous ne pouvons pas afficher la carte car elle est imcompatible avec
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votre navigateur. Nous vous conseillons de le mettre à jour ou utiliser
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les dernières versions de Chrome, Firefox ou Safari
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</p>
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);
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}
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return (
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<Map
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fitBounds={boundData}
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fitBoundsOptions={{ padding: 100 }}
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style="https://openmaptiles.geo.data.gouv.fr/styles/osm-bright/style.json"
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containerStyle={{
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height: '400px',
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width: '100%'
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}}
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>
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<GeoJSONLayer
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data={selectionData.data}
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fillPaint={polygonSelectionFill}
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linePaint={polygonSelectionLine}
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/>
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<GeoJSONLayer
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data={cadastresData.data}
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fillPaint={polygonCadastresFill}
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linePaint={polygonCadastresLine}
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/>
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<ZoomControl />
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</Map>
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);
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};
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MapReader.propTypes = {
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geoData: PropTypes.shape({
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position: PropTypes.object,
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selection: PropTypes.object,
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cadastres: PropTypes.array
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})
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};
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export default MapReader;
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