1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
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 PositionsMap = ({ 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 PositionsMap;
|
