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import L from 'leaflet'
import './leaflet.bezier'
function getCitations(dataset) {
// console.log(dataset.citations)
return dataset.citations.map(c => ({
title: c[0],
location: c[2],
lat: c[5],
lng: c[6],
type: c[7],
}))
}
const arcStyle = {
color: 'rgb(245, 246, 150)',
fillColor: 'rgb(245, 246, 150)',
opacity: 0.8,
weight: '1',
}
const redDot = L.icon({
iconUrl: '/assets/img/reddot.png',
iconSize: [17, 17], // size of the icon
iconAnchor: [8, 8], // point of the icon which will correspond to marker's location
popupAnchor: [0, -5] // point from which the popup should open relative to the iconAnchor
})
function addMarker(map, latlng, title, subtext) {
const marker = L.marker(latlng, { icon: redDot }).addTo(map)
marker.bindPopup([
"<b>", title, "</b>",
"<br>",
subtext,
].join(''))
return marker
}
function addArc(map, src, dest) {
L.bezier({
path: [
[
{ lat: src[0], lng: src[1] },
{ lat: dest[0], lng: dest[1] },
],
]
}, arcStyle).addTo(map)
}
export default function append(el, payload) {
const { data } = payload
let { paper, address } = data
let source = [0, 0]
const citations = getCitations(data)
let map = L.map(el).setView([25, 0], 2)
L.tileLayer('https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token={accessToken}', {
attribution: 'Map data © <a href="https://www.openstreetmap.org/">OpenStreetMap</a> contributors, ' +
'<a href="https://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, ' +
'Imagery © <a href="https://www.mapbox.com/">Mapbox</a>',
maxZoom: 18,
id: 'mapbox.dark',
style: 'mapbox://styles/mapbox/dark-v9',
accessToken: 'pk.eyJ1IjoiZmFuc2FsY3kiLCJhIjoiY2pvN3I1czJwMHF5NDNrbWRoMWpteHlrdCJ9.kMpM5syQUhVjKkn1iVx9fg'
}).addTo(map)
if (address) {
source = address.slice(3, 5).map(n => parseFloat(n))
}
citations.forEach(point => {
const latlng = [point.lat, point.lng]
if (Number.isNaN(latlng[0]) || Number.isNaN(latlng[1])) return
addMarker(map, latlng, point.title, point.location)
addArc(map, source, latlng)
})
const rootMarker = addMarker(map, source, paper.title, paper.address)
rootMarker.openPopup()
}
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