68 lines
1.6 KiB
JavaScript
68 lines
1.6 KiB
JavaScript
import { Controller } from 'stimulus'
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require("leaflet/dist/leaflet.css")
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import L from 'leaflet'
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delete L.Icon.Default.prototype._getIconUrl
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L.Icon.Default.mergeOptions({
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iconRetinaUrl: require('leaflet/dist/images/marker-icon-2x.png'),
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iconUrl: require('leaflet/dist/images/marker-icon.png'),
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shadowUrl: require('leaflet/dist/images/marker-shadow.png'),
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})
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export default class extends Controller {
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static targets = [ 'lat', 'lng', 'map' ]
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connect () {
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this.marker()
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this.latTarget.addEventListener('change', event => this.marker())
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this.lngTarget.addEventListener('change', event => this.marker())
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window.addEventListener('resize', event => this.map.invalidateSize())
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this.map.on('click', event => {
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this.latTarget.value = event.latlng.lat
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this.lngTarget.value = event.latlng.lng
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this.latTarget.dispatchEvent(new Event('change'))
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})
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}
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marker () {
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if (this._marker) this.map.removeLayer(this._marker)
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this._marker = L.marker(this.coords).addTo(this.map)
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return this._marker
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}
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get lat () {
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const lat = parseFloat(this.latTarget.value)
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return isNaN(lat) ? 0 : lat
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}
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get lng () {
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const lng = parseFloat(this.lngTarget.value)
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return isNaN(lng) ? 0 : lng
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}
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get coords () {
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return [this.lat, this.lng]
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}
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get map () {
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if (!this._map) {
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this._map = L.map(this.mapTarget).setView(this.coords, 13)
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L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
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maxZoom: 19,
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attribution: '© <a href="https://openstreetmap.org/copyright">OpenStreetMap contributors</a>'
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}).addTo(this._map)
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}
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return this._map
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}
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}
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