48 lines
1.1 KiB
JavaScript
48 lines
1.1 KiB
JavaScript
import Map from '../src/ol/Map.js';
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import View from '../src/ol/View.js';
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import {platformModifierKeyOnly} from '../src/ol/events/condition.js';
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import GeoJSON from '../src/ol/format/GeoJSON.js';
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import ExtentInteraction from '../src/ol/interaction/Extent.js';
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import TileLayer from '../src/ol/layer/Tile.js';
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import VectorLayer from '../src/ol/layer/Vector.js';
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import {OSM, Vector as VectorSource} from '../src/ol/source.js';
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const vectorSource = new VectorSource({
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url: 'data/geojson/countries.geojson',
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format: new GeoJSON()
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});
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const map = new Map({
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layers: [
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new TileLayer({
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source: new OSM()
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}),
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new VectorLayer({
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source: vectorSource
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})
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],
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target: 'map',
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view: new View({
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center: [0, 0],
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zoom: 2
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})
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});
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const extent = new ExtentInteraction({
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condition: platformModifierKeyOnly
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});
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map.addInteraction(extent);
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extent.setActive(false);
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//Enable interaction by holding shift
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this.addEventListener('keydown', function(event) {
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if (event.keyCode == 16) {
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extent.setActive(true);
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}
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});
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this.addEventListener('keyup', function(event) {
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if (event.keyCode == 16) {
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extent.setActive(false);
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}
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});
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