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import 'mapbox-gl/dist/mapbox-gl.css';
import './switcher/switcher.css';
import mapboxgl from 'mapbox-gl';
import { SwitcherControl } from './switcher/switcher';
import React, { useRef, useLayoutEffect, useEffect, useState } from 'react';
import { deviceCategories } from '../common/deviceCategories';
import { loadIcon, loadImage } from './mapUtil';
import { styleCarto, styleMapbox, styleOsm } from './mapStyles';
import t from '../common/localization';
import { useAttributePreference } from '../common/preferences';
const element = document.createElement('div');
element.style.width = '100%';
element.style.height = '100%';
export const map = new mapboxgl.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 onIdle = function () {
const zoom = Math.round(map.getZoom())
if (zoom !== map.getZoom()) {
map.zoomTo(zoom)
}
};
const setAllowedZoomLevels = map => {
if (Object.values(map.getStyle().sources).some(e => e.type === 'raster')) {
map.scrollZoom.setWheelZoomRate(1);
map.on('idle', onIdle);
} else {
map.scrollZoom.setWheelZoomRate(1/450);
map.off('idle', onIdle);
}
};
const initMap = async () => {
setAllowedZoomLevels(map);
const background = await loadImage('images/background.svg');
await Promise.all(deviceCategories.map(async category => {
if (!map.hasImage(category)) {
const imageData = await loadIcon(category, background, `images/icon/${category}.svg`);
map.addImage(category, imageData, { pixelRatio: window.devicePixelRatio });
}
}));
updateReadyValue(true);
};
map.on('load', initMap);
map.addControl(new mapboxgl.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(() => {
mapboxgl.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 (
<div style={{ width: '100%', height: '100%' }} ref={containerEl}>
{mapReady && children}
</div>
);
};
export default Map;
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