import { useCallback, useEffect } from 'react'; import { useSelector } from 'react-redux'; import { map } from './core/MapView'; import { getStatusColor } from '../common/util/formatter'; import usePersistedState from '../common/util/usePersistedState'; const MapPositions = ({ positions, onClick, showStatus }) => { const id = 'positions'; const clusters = `${id}-clusters`; const devices = useSelector((state) => state.devices.items); const [mapCluster] = usePersistedState('mapCluster', true); const createFeature = (devices, position) => { const device = devices[position.deviceId]; return { id: position.id, deviceId: position.deviceId, name: device.name, category: device.category || 'default', color: showStatus ? position.attributes.color || getStatusColor(device.status) : 'neutral', }; }; const onMouseEnter = () => map.getCanvas().style.cursor = 'pointer'; const onMouseLeave = () => map.getCanvas().style.cursor = ''; const onMarkerClick = useCallback((event) => { const feature = event.features[0]; if (onClick) { onClick(feature.properties.id, feature.properties.deviceId); } }, [onClick]); const onClusterClick = useCallback((event) => { const features = map.queryRenderedFeatures(event.point, { layers: [clusters], }); const clusterId = features[0].properties.cluster_id; map.getSource(id).getClusterExpansionZoom(clusterId, (error, zoom) => { if (!error) { map.easeTo({ center: features[0].geometry.coordinates, zoom, }); } }); }, [clusters]); useEffect(() => { map.addSource(id, { type: 'geojson', data: { type: 'FeatureCollection', features: [], }, cluster: mapCluster, clusterMaxZoom: 14, clusterRadius: 50, }); map.addLayer({ id, type: 'symbol', source: id, filter: ['!', ['has', 'point_count']], layout: { 'icon-image': '{category}-{color}', 'icon-allow-overlap': true, 'text-field': '{name}', 'text-allow-overlap': true, 'text-anchor': 'bottom', 'text-offset': [0, -2], 'text-font': ['Roboto Regular'], 'text-size': 12, }, paint: { 'text-halo-color': 'white', 'text-halo-width': 1, }, }); map.addLayer({ id: clusters, type: 'symbol', source: id, filter: ['has', 'point_count'], layout: { 'icon-image': 'background', 'text-field': '{point_count_abbreviated}', 'text-font': ['Roboto Regular'], 'text-size': 14, }, }); map.on('mouseenter', id, onMouseEnter); map.on('mouseleave', id, onMouseLeave); map.on('mouseenter', clusters, onMouseEnter); map.on('mouseleave', clusters, onMouseLeave); map.on('click', id, onMarkerClick); map.on('click', clusters, onClusterClick); return () => { map.off('mouseenter', id, onMouseEnter); map.off('mouseleave', id, onMouseLeave); map.off('mouseenter', clusters, onMouseEnter); map.off('mouseleave', clusters, onMouseLeave); map.off('click', id, onMarkerClick); map.off('click', clusters, onClusterClick); if (map.getLayer(id)) { map.removeLayer(id); } if (map.getLayer(clusters)) { map.removeLayer(clusters); } if (map.getSource(id)) { map.removeSource(id); } }; }, [mapCluster, clusters, onMarkerClick, onClusterClick]); useEffect(() => { map.getSource(id).setData({ type: 'FeatureCollection', features: positions.filter((it) => devices.hasOwnProperty(it.deviceId)).map((position) => ({ type: 'Feature', geometry: { type: 'Point', coordinates: [position.longitude, position.latitude], }, properties: createFeature(devices, position), })), }); }, [devices, positions]); return null; }; export default MapPositions;