import React, { useState, useRef, useEffect } from 'react';
import PropTypes from 'prop-types';
import mapboxgl from 'mapbox-gl';
import ReactMapboxGl, { GeoJSONLayer, ZoomControl } from 'react-mapbox-gl';
import DrawControl from 'react-mapbox-gl-draw';
import SwitchMapStyle from './SwitchMapStyle';
import SearchInput from './SearchInput';
import { getJSON, ajax } from '@utils';
import { gpx, kml } from '@tmcw/togeojson/dist/togeojson.es.js';
import ortho from '../MapStyles/ortho.json';
import vector from '../MapStyles/vector.json';
import { polygonCadastresFill, polygonCadastresLine } from './utils';
import '@mapbox/mapbox-gl-draw/dist/mapbox-gl-draw.css';
const Map = ReactMapboxGl({});
function filterFeatureCollection(featureCollection, source) {
return {
type: 'FeatureCollection',
features: featureCollection.features.filter(
(feature) => feature.properties.source === source
)
};
}
function noop() {}
function MapEditor({ featureCollection, url, preview }) {
const drawControl = useRef(null);
const [style, setStyle] = useState('ortho');
const [coords, setCoords] = useState([1.7, 46.9]);
const [zoom, setZoom] = useState([5]);
const [currentMap, setCurrentMap] = useState({});
const [bbox, setBbox] = useState(featureCollection.bbox);
const [importInputs, setImportInputs] = useState([]);
const mapStyle = style === 'ortho' ? ortho : vector;
const cadastresFeatureCollection = filterFeatureCollection(
featureCollection,
'cadastre'
);
function updateFeaturesList(features) {
const cadastres = features.find(
({ geometry }) => geometry.type === 'Polygon'
);
ajax({ url, type: 'get', data: cadastres ? 'cadastres=update' : '' });
}
function setFeatureId(lid, feature) {
const draw = drawControl.current.draw;
draw.setFeatureProperty(lid, 'id', feature.properties.id);
}
const generateId = () => Math.random().toString(20).substr(2, 6);
const updateImportInputs = (inputs, inputId) => {
const updatedInputs = inputs.filter((input) => input.id !== inputId);
setImportInputs(updatedInputs);
};
async function onDrawCreate({ features }) {
for (const feature of features) {
const data = await getJSON(url, { feature }, 'post');
setFeatureId(feature.id, data.feature);
}
updateFeaturesList(features);
}
async function onDrawUpdate({ features }) {
for (const feature of features) {
let { id } = feature.properties;
await getJSON(`${url}/${id}`, { feature }, 'patch');
}
updateFeaturesList(features);
}
async function onDrawDelete({ features }) {
for (const feature of features) {
const { id } = feature.properties;
await getJSON(`${url}/${id}`, null, 'delete');
}
updateFeaturesList(features);
}
const onMapLoad = (map) => {
setCurrentMap(map);
drawControl.current.draw.set(
filterFeatureCollection(featureCollection, 'selection_utilisateur')
);
};
const onCadastresUpdate = (evt) => {
if (currentMap) {
currentMap
.getSource('cadastres-layer')
.setData(
filterFeatureCollection(evt.detail.featureCollection, 'cadastre')
);
}
};
const onFileImport = (e, inputId) => {
const isGpxFile = e.target.files[0].name.includes('.gpx');
let reader = new FileReader();
reader.readAsText(e.target.files[0], 'UTF-8');
reader.onload = async (event) => {
let featureCollection;
isGpxFile
? (featureCollection = gpx(
new DOMParser().parseFromString(event.target.result, 'text/xml')
))
: (featureCollection = kml(
new DOMParser().parseFromString(event.target.result, 'text/xml')
));
const resultFeatureCollection = await getJSON(
`${url}/import`,
featureCollection,
'post'
);
let inputs = [...importInputs];
const setInputs = inputs.map((input) => {
if (input.id === inputId) {
input.disabled = true;
input.hasValue = true;
resultFeatureCollection.features.forEach((feature) => {
if (
JSON.stringify(feature.geometry) ===
JSON.stringify(featureCollection.features[0].geometry)
) {
input.featureId = feature.properties.id;
}
});
}
return input;
});
drawControl.current.draw.set(
filterFeatureCollection(
resultFeatureCollection,
'selection_utilisateur'
)
);
updateFeaturesList(resultFeatureCollection.features);
setImportInputs(setInputs);
setBbox(resultFeatureCollection.bbox);
};
};
const addInputFile = (e) => {
e.preventDefault();
let inputs = [...importInputs];
inputs.push({
id: generateId(),
disabled: false,
featureId: null,
hasValue: false
});
setImportInputs(inputs);
};
const removeInputFile = async (e, inputId) => {
e.preventDefault();
const draw = drawControl.current.draw;
const featureCollection = draw.getAll();
let inputs = [...importInputs];
let drawFeatureIdToRemove;
const inputToRemove = inputs.find((input) => input.id === inputId);
for (const feature of featureCollection.features) {
if (inputToRemove.featureId === feature.properties.id) {
drawFeatureIdToRemove = feature.id;
}
}
if (inputToRemove.featureId) {
try {
await getJSON(`${url}/${inputToRemove.featureId}`, null, 'delete');
draw.delete(drawFeatureIdToRemove).getAll();
} catch (e) {
throw new Error(
`La feature ${inputToRemove.featureId} a déjà été supprimée manuellement`,
e
);
} finally {
updateImportInputs(inputs, inputId);
}
}
updateImportInputs(inputs, inputId);
};
useEffect(() => {
addEventListener('cadastres:update', onCadastresUpdate);
return () => removeEventListener('cadastres:update', onCadastresUpdate);
});
if (!mapboxgl.supported()) {
return (
Nous ne pouvons pas afficher notre éditeur de carte car il est
imcompatible avec votre navigateur. Nous vous conseillons de le mettre à
jour ou utiliser les dernières versions de Chrome, Firefox ou Safari