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<script>
import { onMount, onDestroy } from 'svelte';
import { browser } from '$app/environment';
import html2canvas from 'html2canvas';
import 'maplibre-gl/dist/maplibre-gl.css';
export let locations;
let map;
let mapContainer;
let markers = [];
let checkAddress = (location) => {
if (location['addr:housenumber'] && location['addr:street'] && location['addr:city']) {
return `${
location['addr:housenumber'] + ' ' + location['addr:street'] + ', ' + location['addr:city']
}`;
} else if (location['addr:street'] && location['addr:city']) {
return `${location['addr:street'] + ', ' + location['addr:city']}`;
} else if (location['addr:city']) {
return `${location['addr:city']}`;
} else {
return '';
}
};
function updateLabelVisibility() {
if (!map) return;
let zoom = map.getZoom();
let bounds = map.getBounds();
for (let marker of markers) {
let isInView = bounds.contains(marker.getLngLat());
let popup = marker.getPopup();
let { tags } = marker;
if (zoom > 13 && isInView) {
popup.setHTML(`<span class='block font-bold'>${tags.name}</span>`).addTo(map);
} else {
popup.remove();
popup.setHTML(html(tags));
}
}
}
let html = (tags) => `${
tags && tags.name ? `<span class='block font-bold'>${tags.name}</span>` : ''
}
<span class='block'>${tags && checkAddress(tags)}</span>
${tags && tags.phone ? `<a href='tel:${tags.phone}' class='block'>${tags.phone}</a>` : ''}
${
tags && tags.website
? `<a href=${tags.website} target="_blank" rel="noreferrer" class='block text-blue-400'>${tags.website}</a>`
: ''
}`;
onMount(() => {
if (browser) {
import('maplibre-gl').then(({ default: maplibre }) => {
map = new maplibre.Map({
container: mapContainer,
style: 'https://tiles.stadiamaps.com/styles/stamen_toner.json',
center: [-123.05, 49.26],
zoom: 10.5
});
map.on('load', () => {
locations.forEach((location) => {
if (location['deleted_at']) return;
let { lat, lon, tags } = location['osm_json'];
if (!(lat && lon)) return;
let element = document.createElement('div');
element.className = 'marker';
let marker = new maplibre.Marker({ color: '#F7931A' })
.setLngLat([lon, lat])
.setPopup(new maplibre.Popup().setHTML(html(tags)))
.addTo(map);
marker.getElement().addEventListener('click', () => {
let h = html(marker.tags);
let popup = marker.getPopup();
popup.setHTML(h);
});
marker.tags = tags;
markers.push(marker);
});
// updateLabelVisibility();
// map.on('moveend', updateLabelVisibility);
// map.on('zoomend', updateLabelVisibility);
});
});
}
});
onDestroy(() => {
if (map) {
// map.off('moveend', updateLabelVisibility);
// map.off('zoomend', updateLabelVisibility);
map.remove();
}
});
</script>
<div class="container mx-auto max-w-4xl">
<div class="flex w-full">
<div class="mx-auto h-[550px] w-full z-0" bind:this={mapContainer} />
</div>
</div>
<style>
:global(.maplibregl-popup-close-button) {
font-size: 18px;
padding: 8px;
}
:global(.maplibregl-popup :focus) {
outline: none;
}
:global(.maplibregl-ctrl-attrib) {
display: none;
}
:global(.maplibregl-popup-content) {
padding: 0.5em 1em;
border-radius: 4px;
font-size: 14px;
color: black;
background-color: white;
overflow: hidden;
}
</style>
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