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import { useId, useEffect } from 'react';
import { useTheme } from '@mui/styles';
import { useMediaQuery } from '@mui/material';
import { map } from './core/MapView';
import { useAttributePreference } from '../common/util/preferences';
import { findFonts } from './core/mapUtil';
const MapMarkers = ({ markers, showTitles }) => {
const id = useId();
const theme = useTheme();
const desktop = useMediaQuery(theme.breakpoints.up('md'));
const iconScale = useAttributePreference('iconScale', desktop ? 0.75 : 1);
useEffect(() => {
map.addSource(id, {
type: 'geojson',
data: {
type: 'FeatureCollection',
features: [],
},
});
if (showTitles) {
map.addLayer({
id,
type: 'symbol',
source: id,
filter: ['!has', 'point_count'],
layout: {
'icon-image': '{image}',
'icon-size': iconScale,
'icon-allow-overlap': true,
'text-field': '{title}',
'text-allow-overlap': true,
'text-anchor': 'bottom',
'text-offset': [0, -2 * iconScale],
'text-font': findFonts(map),
'text-size': 12,
},
paint: {
'text-halo-color': 'white',
'text-halo-width': 1,
},
});
} else {
map.addLayer({
id,
type: 'symbol',
source: id,
layout: {
'icon-image': '{image}',
'icon-size': iconScale,
'icon-allow-overlap': true,
},
});
}
return () => {
if (map.getLayer(id)) {
map.removeLayer(id);
}
if (map.getSource(id)) {
map.removeSource(id);
}
};
}, [showTitles]);
useEffect(() => {
map.getSource(id).setData({
type: 'FeatureCollection',
features: markers.map(({ latitude, longitude, image, title }) => ({
type: 'Feature',
geometry: {
type: 'Point',
coordinates: [longitude, latitude],
},
properties: {
image: image || 'default-neutral',
title: title || '',
},
})),
});
}, [markers]);
return null;
};
export default MapMarkers;
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