rater/assets/controllers/map_controller.js

57 lines
1.6 KiB
JavaScript

import { Controller } from '@hotwired/stimulus';
import L from 'leaflet';
import 'leaflet/dist/leaflet.min.css';
L.Icon.Default.mergeOptions({
iconUrl: '/leaflet/marker-icon.png',
iconRetinaUrl: '/leaflet/marker-icon-2x.png',
shadowUrl: '/leaflet/marker-shadow.png',
});
export default class extends Controller {
connect() {
this.map = L.map(this.element).setView([51.0543, 3.7174], 13);
L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
attribution: '© OpenStreetMap contributors',
maxZoom: 19,
}).addTo(this.map);
this.loadSubjects();
this.map.on('click', (e) => this.createSubject(e.latlng));
}
loadSubjects() {
fetch('/api/subjects')
.then(r => r.json())
.then(data => {
data.payload.subjects.forEach(s => {
if (s.latitude && s.longitude) {
this.addMarker(s.latitude, s.longitude, s.name);
}
});
});
}
createSubject(latlng) {
const name = prompt('Name of this place?');
if (!name) return;
fetch('/api/subjects', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
name: name,
latitude: latlng.lat,
longitude: latlng.lng,
}),
})
.then(r => r.json())
.then(() => this.addMarker(latlng.lat, latlng.lng, name));
}
addMarker(lat, lng, name) {
L.marker([lat, lng]).addTo(this.map).bindPopup(name);
}
}