2026.camp.carte/js/index.js

95 lines
No EOL
3 KiB
JavaScript

import * as L from "./lib/leaflet/leaflet-src.esm.js"
import { PlaceDatabase } from "./places.js";
/** La carte */
const map = L.map(document.getElementById("map"), {
attributionControl: false,
zoomControl: false
})
L.control.attribution({
position: 'topright'
}).addTo(map)
/** La base de données de lieux @type {PlaceDatabase|null} */
let places = null
/** Le centre de la carte */
let map_center = null
/** Les bords de la carte */
let map_bounds = null
// CHARGEMENT
await Promise.all([
PlaceDatabase.createDefault().then(db => places = db),
fetch("./couches/centre.geojson").then(res => res.json()).then(geojson => {
map_center = L.latLng([...geojson.features[0].geometry.coordinates].reverse())
console.log("Centre:", map_center)
}),
fetch("./couches/emprise.geojson").then(res => res.json()).then(geojson => {
let coordinate_list = geojson.features[0].geometry.coordinates[0]
let first_point = map.project(L.latLng([...coordinate_list[0]].reverse()))
let bounds = L.bounds(first_point, first_point)
for(let i = 1; i<coordinate_list.length; i++){
let point = map.project([...coordinate_list[i]].reverse())
bounds.extend(point)
}
map_bounds = bounds
console.log("Bounds:", map_bounds)
}),
]);
// CHARGEMENT FINI
L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
}).addTo(map)
L.tileLayer('./tuiles/{z}/{x}/{y}.png', {
minZoom: 14,
maxZoom: 23
}).addTo(map)
const geojson_layer = L.geoJSON(null, {
//TODO
}).addTo(map)
for(let [feature_id, feature] of Object.entries(places.featuresById)){
geojson_layer.addData(feature)
}
map.setMaxBounds(map_bounds)
map.setView(map_center, 19, {
animate: false,
})
const search_form = document.getElementById("search-area")
search_form.elements["query"].addEventListener("change", () => search_form.requestSubmit())
search_form.elements["query"].addEventListener("input", () => search_form.requestSubmit())
search_form.addEventListener("submit", e => {
e.preventDefault()
if(places){
let data = new FormData(search_form)
if(data.get("query")){
let resultElements = []
let search_results = places.search(data.get("query"))
console.log("Search results:", search_results)
for(let result_item of search_results){
let el = document.createElement("li")
el.textContent = result_item.feature.properties.name+" ("+result_item.ref+")"
resultElements.push(el)
}
if(resultElements.length > 0){
document.getElementById("search-result").replaceChildren(...resultElements)
} else {
document.getElementById("search-result").replaceChildren(document.createTextNode("Pas de resultat"))
}
} else {
document.getElementById("search-result").replaceChildren([])
}
}
})