To have the same path (starting with `ol/`, without `.js`) as in the documentation. The support was added in the webpack config in #8928
47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
import Map from 'ol/Map';
|
|
import View from 'ol/View';
|
|
import {platformModifierKeyOnly} from 'ol/events/condition';
|
|
import GeoJSON from 'ol/format/GeoJSON';
|
|
import ExtentInteraction from 'ol/interaction/Extent';
|
|
import {Tile as TileLayer, Vector as VectorLayer} from 'ol/layer';
|
|
import {OSM, Vector as VectorSource} from 'ol/source';
|
|
|
|
const vectorSource = new VectorSource({
|
|
url: 'data/geojson/countries.geojson',
|
|
format: new GeoJSON()
|
|
});
|
|
|
|
const map = new Map({
|
|
layers: [
|
|
new TileLayer({
|
|
source: new OSM()
|
|
}),
|
|
new VectorLayer({
|
|
source: vectorSource
|
|
})
|
|
],
|
|
target: 'map',
|
|
view: new View({
|
|
center: [0, 0],
|
|
zoom: 2
|
|
})
|
|
});
|
|
|
|
const extent = new ExtentInteraction({
|
|
condition: platformModifierKeyOnly
|
|
});
|
|
map.addInteraction(extent);
|
|
extent.setActive(false);
|
|
|
|
//Enable interaction by holding shift
|
|
window.addEventListener('keydown', function(event) {
|
|
if (event.keyCode == 16) {
|
|
extent.setActive(true);
|
|
}
|
|
});
|
|
window.addEventListener('keyup', function(event) {
|
|
if (event.keyCode == 16) {
|
|
extent.setActive(false);
|
|
}
|
|
});
|