64 lines
1.3 KiB
JavaScript
64 lines
1.3 KiB
JavaScript
import {Map, View} from '../src/ol/index.js';
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import GeoJSON from '../src/ol/format/GeoJSON.js';
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import {Modify, Select, Draw} from '../src/ol/interaction.js';
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import {Tile as TileLayer, Vector as VectorLayer} from '../src/ol/layer.js';
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import {OSM, Vector as VectorSource} from '../src/ol/source.js';
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import {useGeographic} from '../src/ol/proj.js';
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useGeographic();
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const source = 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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target: '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: source
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})
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],
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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 select = new Select();
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const modify = new Modify({
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features: select.getFeatures()
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});
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const draw = new Draw({
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type: 'Polygon',
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source: source
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});
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const mode = document.getElementById('mode');
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function onChange() {
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switch (mode.value) {
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case 'draw': {
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map.removeInteraction(modify);
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map.removeInteraction(select);
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map.addInteraction(draw);
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break;
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}
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case 'modify': {
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map.removeInteraction(draw);
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map.addInteraction(select);
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map.addInteraction(modify);
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break;
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}
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default: {
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// pass
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}
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}
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}
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mode.addEventListener('change', onChange);
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onChange();
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