1 files changed, 142 insertions, 0 deletions
diff --git a/modern/src/map/MapPositions.js b/modern/src/map/MapPositions.js
new file mode 100644
index 00000000..170a6b11
--- /dev/null
+++ b/modern/src/map/MapPositions.js
@@ -0,0 +1,142 @@
+import { useCallback, useEffect } from 'react';
+import { useSelector } from 'react-redux';
+
+import { map } from './core/Map';
+import { getStatusColor } from '../common/util/formatter';
+import usePersistedState from '../common/util/usePersistedState';
+
+const MapPositions = ({ positions, onClick }) => {
+  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: getStatusColor(device.status),
+    };
+  };
+
+  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 () => {
+      Array.from(map.getContainer().getElementsByClassName('maplibregl-popup')).forEach((el) => el.remove());
+
+      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;