demarches-normaliennes/app/javascript/old_design/carto.js
2018-10-16 09:38:53 +02:00

81 lines
1.8 KiB
JavaScript

import L from 'leaflet';
import FreeDraw, { NONE, CREATE } from 'leaflet-freedraw';
import { fire, on, getJSON } from '@utils';
import { getData } from '../shared/data';
import { initMap } from '../shared/carto';
import polygonArea from './carto/polygon_area';
import drawFactory from './carto/draw';
function initialize() {
if (document.getElementById('map')) {
const data = getData('carto');
const position = data.position;
const map = initMap(position);
const freeDraw = new FreeDraw({
mode: NONE,
smoothFactor: 4,
mergePolygons: false
});
map.addLayer(freeDraw);
addEventFreeDraw(freeDraw);
addEventSearchAddress(map);
const cartoDrawZones = drawFactory(map, freeDraw);
window.DS = { cartoDrawZones };
cartoDrawZones(data);
if (freeDraw.polygons[0]) {
map.setZoom(18);
map.fitBounds(freeDraw.polygons[0].getBounds());
}
}
}
addEventListener('turbolinks:load', initialize);
function addEventFreeDraw(freeDraw) {
freeDraw.on('markers', ({ latLngs }) => {
const input = document.querySelector('input[name=selection]');
if (polygonArea(latLngs) < 300000) {
input.value = JSON.stringify(latLngs);
} else {
input.value = '{ "error": "TooManyPolygons" }';
}
fire(input, 'change');
});
on('#map', 'click', () => {
freeDraw.mode(NONE);
});
on('#new', 'click', () => {
freeDraw.mode(CREATE);
});
}
function getAddressPoint(map, request) {
getJSON('/address/geocode', { request }).then(data => {
if (data.lat !== null) {
map.setView(new L.LatLng(data.lat, data.lon), data.zoom);
}
});
}
function addEventSearchAddress(map) {
on(
'#search-by-address input[type=address]',
'autocomplete:select',
(_, seggestion) => {
getAddressPoint(map, seggestion['label']);
}
);
}