79c8afdba8
To have the same path (starting with `ol/`, without `.js`) as in the documentation. The support was added in the webpack config in #8928
94 lines
2.1 KiB
JavaScript
94 lines
2.1 KiB
JavaScript
import Feature from 'ol/Feature';
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import Map from 'ol/Map';
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import Overlay from 'ol/Overlay';
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import View from 'ol/View';
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import Point from 'ol/geom/Point';
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import {Tile as TileLayer, Vector as VectorLayer} from 'ol/layer';
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import TileJSON from 'ol/source/TileJSON';
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import VectorSource from 'ol/source/Vector';
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import {Icon, Style} from 'ol/style';
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const iconFeature = new Feature({
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geometry: new Point([0, 0]),
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name: 'Null Island',
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population: 4000,
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rainfall: 500
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});
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const iconStyle = new Style({
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image: new Icon(/** @type {module:ol/style/Icon~Options} */ ({
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anchor: [0.5, 46],
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anchorXUnits: 'fraction',
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anchorYUnits: 'pixels',
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src: 'data/icon.png'
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}))
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});
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iconFeature.setStyle(iconStyle);
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const vectorSource = new VectorSource({
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features: [iconFeature]
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});
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const vectorLayer = new VectorLayer({
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source: vectorSource
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});
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const rasterLayer = new TileLayer({
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source: new TileJSON({
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url: 'https://api.tiles.mapbox.com/v3/mapbox.geography-class.json?secure',
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crossOrigin: ''
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})
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});
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const map = new Map({
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layers: [rasterLayer, vectorLayer],
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target: document.getElementById('map'),
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view: new View({
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center: [0, 0],
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zoom: 3
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})
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});
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const element = document.getElementById('popup');
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const popup = new Overlay({
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element: element,
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positioning: 'bottom-center',
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stopEvent: false,
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offset: [0, -50]
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});
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map.addOverlay(popup);
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// display popup on click
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map.on('click', function(evt) {
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const feature = map.forEachFeatureAtPixel(evt.pixel,
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function(feature) {
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return feature;
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});
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if (feature) {
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const coordinates = feature.getGeometry().getCoordinates();
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popup.setPosition(coordinates);
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$(element).popover({
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placement: 'top',
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html: true,
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content: feature.get('name')
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});
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$(element).popover('show');
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} else {
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$(element).popover('destroy');
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}
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});
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// change mouse cursor when over marker
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map.on('pointermove', function(e) {
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if (e.dragging) {
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$(element).popover('destroy');
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return;
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}
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const pixel = map.getEventPixel(e.originalEvent);
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const hit = map.hasFeatureAtPixel(pixel);
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map.getTarget().style.cursor = hit ? 'pointer' : '';
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});
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