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import React, { useRef, useLayoutEffect, useEffect, useState } from 'react';
import ReactDOM from 'react-dom';
import { Provider, useSelector } from 'react-redux';
import mapboxgl from 'mapbox-gl';
import mapManager from './mapManager';
import store from '../store';
import StatusView from '../StatusView';
import { useHistory } from 'react-router-dom';
const MainMap = () => {
const history = useHistory();
const containerEl = useRef(null);
const [mapReady, setMapReady] = useState(false);
const mapCenter = useSelector(state => {
if (state.devices.selectedId) {
const position = state.positions.items[state.devices.selectedId] || null;
if (position) {
return [position.longitude, position.latitude];
}
}
return null;
});
const createFeature = (state, position) => {
const device = state.devices.items[position.deviceId] || null;
return {
deviceId: position.deviceId,
name: device ? device.name : '',
}
};
const positions = useSelector(state => ({
type: 'FeatureCollection',
features: Object.values(state.positions.items).map(position => ({
type: 'Feature',
geometry: {
type: 'Point',
coordinates: [position.longitude, position.latitude]
},
properties: createFeature(state, position),
})),
}));
useLayoutEffect(() => {
const currentEl = containerEl.current;
currentEl.appendChild(mapManager.element);
if (mapManager.map) {
mapManager.map.resize();
}
return () => {
currentEl.removeChild(mapManager.element);
};
}, [containerEl]);
useEffect(() => {
mapManager.registerListener(() => setMapReady(true));
}, []);
const markerClickHandler = (event) => {
const feature = event.features[0];
let coordinates = feature.geometry.coordinates.slice();
while (Math.abs(event.lngLat.lng - coordinates[0]) > 180) {
coordinates[0] += event.lngLat.lng > coordinates[0] ? 360 : -360;
}
const placeholder = document.createElement('div');
ReactDOM.render(
<Provider store={store}>
<StatusView deviceId={feature.properties.deviceId} onShowDetails={positionId => history.push(`/position/${positionId}`)} />
</Provider>,
placeholder);
new mapboxgl.Popup({
offset: 25,
anchor: 'top'
})
.setDOMContent(placeholder)
.setLngLat(coordinates)
.addTo(mapManager.map);
};
useEffect(() => {
if (mapReady) {
mapManager.map.addSource('positions', {
'type': 'geojson',
'data': positions,
});
mapManager.addLayer('device-icon', 'positions', 'icon-marker', '{name}', markerClickHandler);
const bounds = mapManager.calculateBounds(positions.features);
if (bounds) {
mapManager.map.fitBounds(bounds, {
padding: 100,
maxZoom: 9
});
}
return () => {
mapManager.removeLayer('device-icon', 'positions');
};
}
}, [mapReady]);
useEffect(() => {
mapManager.map.easeTo({
center: mapCenter
});
}, [mapCenter]);
useEffect(() => {
const source = mapManager.map.getSource('positions');
if (source) {
source.setData(positions);
}
}, [positions]);
const style = {
width: '100%',
height: '100%',
};
return <div style={style} ref={containerEl} />;
}
export default MainMap;
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