76 lines
2.4 KiB
JavaScript
76 lines
2.4 KiB
JavaScript
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import VectorLayer from 'ol/layer/Vector';
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import {Vector as VectorSource} from 'ol/source.js';
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import GeoJSON from 'ol/format/GeoJSON.js';
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import Hls from 'hls.js';
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import {Style} from 'ol/style.js';
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import Icon from 'ol/style/Icon.js';
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import states from './data/states.js';
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import pin from './pin.svg?url'; // TODO: remove `?url`?
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// https://en.wikipedia.org/wiki/Department_of_transportation#List_of_U.S._state_and_insular_area_departments_of_transportation
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const dot_names = {
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mn: "Minnesota: MNDOT/511MN",
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ia: "Iowa: Iowa DOT/511IA",
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wi: "Wisconsin: WisDOT/511WI",
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co: "Colorado: CDOT/COtrip",
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ks: "Kansas: KDOT/KanDrive",
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ne: "Nebraska: NDOT/Nebraska 511",
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ma: "Massachusetts: MassDOT/Mass511",
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}
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let vectorLayers = []
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for (let [state, url] of Object.entries(states)) {
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const vectorLayer = new VectorLayer({
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source: new VectorSource({
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url: url,
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format: new GeoJSON,
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}),
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style: new Style({
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image: new Icon({
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anchor: [0.5, 1],
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src: pin,
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}),
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}),
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});
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vectorLayer.customPopup = function(feature) {
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const view = feature.values_.originalData.views[0];
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if (view.category.toLowerCase() == "video") {
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return `<video style="max-width: 80vw; max-height: 80vh;" id="popupVideo" autoplay controls></video>`;
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} else if (view.category.toLowerCase() == "image") {
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return `<img style="max-width: 80vw; max-height: 80vh;" src="${view.url}">`;
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} else {
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throw new Exception(`unknown category ${view.category}`);
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}
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};
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vectorLayer.customPopupCallback = function(feature) {
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const view = feature.values_.originalData.views[0];
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if (view.category.toLowerCase() == "video") {
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const video = document.getElementById('popupVideo');
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const videoSrc = view.sources[0].src;
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if (Hls.isSupported()) {
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var hls = new Hls();
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hls.loadSource(videoSrc);
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hls.attachMedia(video);
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}
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// iDevice support, untested (only works in Safari; required for iPhones)
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else if (video.canPlayType('application/vnd.apple.mpegurl')) {
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video.src = videoSrc;
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}
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}
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}
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vectorLayers.push({
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name: dot_names[state] ?? state,
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layer: vectorLayer,
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});
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}
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export default vectorLayers;
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