import 'maplibre-gl/dist/maplibre-gl.css'; import './switcher/switcher.css'; import maplibregl from 'maplibre-gl'; import React, { useRef, useLayoutEffect, useEffect, useState, } from 'react'; import { SwitcherControl } from './switcher/switcher'; import deviceCategories from '../common/deviceCategories'; import { prepareIcon, loadImage } from './mapUtil'; import { styleCarto, styleMapbox, styleOsm } from './mapStyles'; import t from '../common/localization'; import { useAttributePreference } from '../common/preferences'; import palette from '../theme/palette'; const element = document.createElement('div'); element.style.width = '100%'; element.style.height = '100%'; export const map = new maplibregl.Map({ container: element, style: styleOsm(), }); let ready = false; const readyListeners = new Set(); const addReadyListener = (listener) => { readyListeners.add(listener); listener(ready); }; const removeReadyListener = (listener) => { readyListeners.delete(listener); }; const updateReadyValue = (value) => { ready = value; readyListeners.forEach((listener) => listener(value)); }; const initMap = async () => { if (ready) return; const background = await loadImage('images/background.svg'); map.addImage('background', await prepareIcon(background), { pixelRatio: window.devicePixelRatio, }); await Promise.all(deviceCategories.map(async (category) => { const results = []; ['green', 'red', 'gray'].forEach((color) => { results.push(loadImage(`images/icon/${category}.svg`).then((icon) => { map.addImage(`${category}-${color}`, prepareIcon(background, icon, palette.common[color]), { pixelRatio: window.devicePixelRatio, }); })); }); await Promise.all(results); })); updateReadyValue(true); }; map.on('load', initMap); map.addControl(new maplibregl.NavigationControl({ showCompass: false, })); map.addControl(new SwitcherControl( [ { title: t('mapOsm'), uri: styleOsm() }, { title: t('mapCarto'), uri: styleCarto() }, { title: t('mapMapboxStreets'), uri: styleMapbox('streets-v11') }, { title: t('mapMapboxOutdoors'), uri: styleMapbox('outdoors-v11') }, { title: t('mapMapboxSatellite'), uri: styleMapbox('satellite-v9') }, ], t('mapOsm'), () => updateReadyValue(false), () => { const waiting = () => { if (!map.loaded()) { setTimeout(waiting, 100); } else { initMap(); } }; waiting(); }, )); const Map = ({ children }) => { const containerEl = useRef(null); const [mapReady, setMapReady] = useState(false); const mapboxAccessToken = useAttributePreference('mapboxAccessToken'); useEffect(() => { maplibregl.accessToken = mapboxAccessToken; }, [mapboxAccessToken]); useEffect(() => { const listener = (ready) => setMapReady(ready); addReadyListener(listener); return () => { removeReadyListener(listener); }; }, []); useLayoutEffect(() => { const currentEl = containerEl.current; currentEl.appendChild(element); if (map) { map.resize(); } return () => { currentEl.removeChild(element); }; }, [containerEl]); return (
{mapReady && children}
); }; export default Map;