aboutsummaryrefslogtreecommitdiff
path: root/modern/src/map/Map.js
blob: 1fa4db5df824d26fc23f71a0edceb5d309a3fbc5 (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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
import 'maplibre-gl/dist/maplibre-gl.css';
import './switcher/switcher.css';
import maplibregl from 'maplibre-gl';
import React, {
  useRef, useLayoutEffect, useEffect, useState,
} from 'react';
import { SwitcherControl } from './switcher/switcher';
import deviceCategories from '../common/deviceCategories';
import { prepareIcon, loadImage } from './mapUtil';
import {
  styleCarto, styleMapbox, styleMapTiler, styleOsm,
} from './mapStyles';
import { useAttributePreference } from '../common/preferences';
import palette from '../theme/palette';

// TODO fix localization
import en from '../../../web/l10n/en.json';
const t = (key) => en[key];

const element = document.createElement('div');
element.style.width = '100%';
element.style.height = '100%';

export const map = new maplibregl.Map({
  container: element,
  style: styleOsm(),
});

let ready = false;
const readyListeners = new Set();

const addReadyListener = (listener) => {
  readyListeners.add(listener);
  listener(ready);
};

const removeReadyListener = (listener) => {
  readyListeners.delete(listener);
};

const updateReadyValue = (value) => {
  ready = value;
  readyListeners.forEach((listener) => listener(value));
};

const initMap = async () => {
  if (ready) return;
  if (!map.hasImage('background')) {
    const background = await loadImage('images/background.svg');
    map.addImage('background', await prepareIcon(background), {
      pixelRatio: window.devicePixelRatio,
    });
    await Promise.all(deviceCategories.map(async (category) => {
      const results = [];
      ['green', 'red', 'gray'].forEach((color) => {
        results.push(loadImage(`images/icon/${category}.svg`).then((icon) => {
          map.addImage(`${category}-${color}`, prepareIcon(background, icon, palette.common[color]), {
            pixelRatio: window.devicePixelRatio,
          });
        }));
      });
      await Promise.all(results);
    }));
  }
  updateReadyValue(true);
};

map.on('load', initMap);

map.addControl(new maplibregl.NavigationControl({
  showCompass: false,
}));

const switcher = new SwitcherControl(
  [
    { title: t('mapOsm'), uri: styleOsm() },
    { title: t('mapCarto'), uri: styleCarto() },
    { title: t('mapMapboxStreets'), uri: styleMapbox('streets-v11') },
    { title: t('mapMapboxOutdoors'), uri: styleMapbox('outdoors-v11') },
    { title: t('mapMapboxSatellite'), uri: styleMapbox('satellite-v9') },
    { title: t('mapMapTilerBasic'), uri: styleMapTiler('basic', '{mapTilerKey}') },
    { title: t('mapMapTilerHybrid'), uri: styleMapTiler('hybrid', '{mapTilerKey}') },
  ],
  t('mapOsm'),
  () => updateReadyValue(false),
  () => {
    const waiting = () => {
      if (!map.loaded()) {
        setTimeout(waiting, 100);
      } else {
        initMap();
      }
    };
    waiting();
  },
);

map.addControl(switcher);

const Map = ({ children }) => {
  const containerEl = useRef(null);

  const [mapReady, setMapReady] = useState(false);

  const mapboxAccessToken = useAttributePreference('mapboxAccessToken');

  useEffect(() => {
    maplibregl.accessToken = mapboxAccessToken;
  }, [mapboxAccessToken]);

  const mapTilerKey = useAttributePreference('mapTilerKey');

  useEffect(() => {
    switcher.setVariable('mapTilerKey', mapTilerKey);
  }, [mapTilerKey]);

  useEffect(() => {
    const listener = (ready) => setMapReady(ready);
    addReadyListener(listener);
    return () => {
      removeReadyListener(listener);
    };
  }, []);

  useLayoutEffect(() => {
    const currentEl = containerEl.current;
    currentEl.appendChild(element);
    if (map) {
      map.resize();
    }
    return () => {
      currentEl.removeChild(element);
    };
  }, [containerEl]);

  return (
    <div style={{ width: '100%', height: '100%' }} ref={containerEl}>
      {mapReady && children}
    </div>
  );
};

export default Map;