marco/app/components/map.gjs

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import Component from '@glimmer/component';
import { service } from '@ember/service';
import { modifier } from 'ember-modifier';
import 'ol/ol.css';
import Map from 'ol/Map.js';
import { defaults as defaultControls } from 'ol/control.js';
import View from 'ol/View.js';
import { fromLonLat, toLonLat } from 'ol/proj.js';
import LayerGroup from 'ol/layer/Group.js';
import { apply } from 'ol-mapbox-style';
export default class MapComponent extends Component {
@service osm;
mapInstance;
setupMap = modifier((element) => {
if (this.mapInstance) return;
const openfreemap = new LayerGroup();
this.mapInstance = new Map({
target: element,
layers: [openfreemap],
controls: defaultControls({ zoom: false }),
view: new View({
center: fromLonLat([99.05738, 7.56087]),
zoom: 12.5,
projection: 'EPSG:3857',
}),
});
apply(openfreemap, 'https://tiles.openfreemap.org/styles/liberty');
this.mapInstance.on('singleclick', this.handleMapClick);
// Change cursor to pointer when hovering over a clickable feature
this.mapInstance.on('pointermove', (e) => {
const pixel = this.mapInstance.getEventPixel(e.originalEvent);
const hit = this.mapInstance.hasFeatureAtPixel(pixel);
this.mapInstance.getTarget().style.cursor = hit ? 'pointer' : '';
});
});
handleMapClick = async (event) => {
// 1. Check if user clicked on a rendered feature (POI)
const features = this.mapInstance.getFeaturesAtPixel(event.pixel);
if (features && features.length > 0) {
// Prioritize POIs (features with names/amenities)
// OpenLayers features from vector tiles have properties like 'name', 'class', 'subclass', etc.
const clickedFeature = features[0];
const props = clickedFeature.getProperties();
// Basic check: does it look like a POI? (has a name or distinct class)
if (props.name || props.class) {
console.log('Clicked Feature (POI):', props);
return; // Stop here, we found a direct click
}
}
// 2. Fallback: Fetch nearby POIs via Overpass API
const coords = toLonLat(event.coordinate);
const [lon, lat] = coords;
console.log(`No feature clicked. Searching nearby at: ${lat}, ${lon}`);
try {
const pois = await this.osm.getNearbyPois(lat, lon);
console.log('Nearby POIs:', pois);
} catch (error) {
console.error('Failed to fetch POIs:', error);
}
};
<template>
<div
{{this.setupMap}}
style="position: absolute; inset: 0;"
></div>
</template>
}