folk-canvas/demo/proximity-maps.html

172 lines
4.9 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Maps</title>
<style>
* {
box-sizing: border-box;
}
html {
height: 100%;
}
body {
min-height: 100%;
position: relative;
margin: 0;
}
folk-map,
geo-wiki {
display: block;
height: 100%;
width: 100%;
}
geo-wiki {
border: solid 2px black;
border-radius: 5px;
ul {
height: 100%;
overflow: auto;
margin: 0;
scroll-padding-block-end: 1rem;
}
}
olk-hull {
display: block;
position: absolute;
inset: 0 0 0 0;
pointer-events: none;
background-color: #b4d8f63b;
}
</style>
</head>
<body>
<fc-geometry id="1" x="25" y="100" width="400" height="200">
<folk-map coordinates="52.09, 5.12" zoom="13"></folk-map>
</fc-geometry>
<fc-geometry id="2" x="50" y="550" width="400" height="250">
<folk-map coordinates="51.50404120260676, -0.14007568359375003" zoom="13"></folk-map>
</fc-geometry>
<fc-geometry id="3" x="500" y="400" width="500" height="300">
<geo-wiki coordinates="51.50404120260676, -0.14007568359375003"></geo-wiki>
</fc-geometry>
<script type="module">
import { FolkGeometry } from '../src/canvas/fc-geometry.ts';
import { FolkMap } from '../src/folk-map.ts';
import { FolkHull } from '../src/folk-hull.ts';
import { collisionDetection } from '../src/collision.ts';
FolkGeometry.register();
FolkMap.register();
FolkHull.register();
const geometries = Array.from(document.querySelectorAll('fc-geometry'));
const proximityMap = new Map(geometries.map((el) => [el, new Set()]));
function handleProximity(e) {
proximityMap.forEach((set, el) => {
if (el !== e.target) {
const alreadyIntersection = set.has(e.target);
// TODO: refactor this hack once resizing and the vertices API are figured out
const isNowIntersecting = collisionDetection(el.getClientRect(), e.target.getClientRect(), 100);
if (isNowIntersecting && !alreadyIntersection) {
set.add(e.target);
proximityMap.get(e.target)?.add(el);
} else if (alreadyIntersection && !isNowIntersecting) {
set.delete(e.target);
proximityMap.get(e.target)?.delete(el);
}
}
});
}
document.addEventListener('move', handleProximity);
document.addEventListener('resize', handleProximity);
document.addEventListener('recenter', (e) => {
proximityMap.get(e.target.parentElement)?.forEach((el) => {
const content = el.firstElementChild;
if (content instanceof GeoWiki) {
const { lat, lng } = e.target.coordinates;
content.coordinates = [lat, lng];
}
});
});
class GeoWiki extends HTMLElement {
static tagName = 'geo-wiki';
static register() {
customElements.define(this.tagName, this);
}
static observedAttributes = ['coordinates'];
#coordinates = [0, 0];
#results = [];
get coordinates() {
return this.#coordinates;
}
set coordinates(coordinates) {
this.setAttribute('coordinates', coordinates.join(', '));
}
attributeChangedCallback(name, oldValue, newValue) {
if (name === 'coordinates') {
this.#coordinates = newValue.split(',').map((str) => Number(str)) || [0, 0];
this.searchWiki(this.#coordinates);
}
}
async searchWiki([lat, long]) {
const params = new URLSearchParams({
action: 'query',
format: 'json',
list: 'geosearch',
gscoord: `${lat}|${long}`,
gsradius: '1000',
gslimit: '50',
origin: '*',
});
// https://www.mediawiki.org/wiki/API:Geosearch
this.#results = await fetch(`https://en.wikipedia.org/w/api.php?${params}`)
.then((response) => response.json())
.then((data) => data?.query?.geosearch ?? []);
this.#renderResults();
}
#renderResults() {
this.firstElementChild?.remove();
const list = document.createElement('ul');
for (const result of this.#results) {
const li = document.createElement('li');
const a = document.createElement('a');
a.href = `https://en.wikipedia.org/wiki/${result.title}`;
a.textContent = result.title;
li.appendChild(a);
list.appendChild(li);
}
this.appendChild(list);
}
}
GeoWiki.register();
</script>
</body>
</html>