aboutsummaryrefslogtreecommitdiff
path: root/modern/src/MainMap.js
blob: b3fafb6a88a9c48e3adbf4b4c166e9a221d83acc (plain)
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
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;