Update box selection example
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@@ -1,4 +1,3 @@
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.ol-dragbox {
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background-color: rgba(255,255,255,0.4);
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border-color: rgba(100,150,0,1);
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#map {
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background: #1a2b39;
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}
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@@ -9,4 +9,4 @@ docs: >
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tags: "DragBox, feature, selection, box"
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---
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<div id="map" class="map"></div>
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<div id="info">No countries selected</div>
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<div>Selected regions: <span id="info">None</span></div>
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@@ -1,23 +1,32 @@
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import GeoJSON from '../src/ol/format/GeoJSON.js';
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import Map from '../src/ol/Map.js';
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import VectorLayer from '../src/ol/layer/Vector.js';
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import VectorSource from '../src/ol/source/Vector.js';
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import View from '../src/ol/View.js';
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import {DragBox, Select} from '../src/ol/interaction.js';
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import {OSM, Vector as VectorSource} from '../src/ol/source.js';
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import {Tile as TileLayer, Vector as VectorLayer} from '../src/ol/layer.js';
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import {Fill, Stroke, Style} from '../src/ol/style.js';
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import {platformModifierKeyOnly} from '../src/ol/events/condition.js';
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const vectorSource = new VectorSource({
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url: 'data/geojson/countries.geojson',
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url: 'https://openlayers.org/data/vector/ecoregions.json',
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format: new GeoJSON(),
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});
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const style = new Style({
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fill: new Fill({
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color: 'rgba(255, 255, 255, 0.6)',
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}),
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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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style: function (feature) {
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const color = feature.get('COLOR_BIO') || '#eeeeee';
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style.getFill().setColor(color);
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return style;
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},
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}),
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],
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target: 'map',
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@@ -28,8 +37,24 @@ const map = new Map({
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}),
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});
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const selectedStyle = new Style({
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fill: new Fill({
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color: 'rgba(255, 255, 255, 0.6)',
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}),
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stroke: new Stroke({
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color: 'rgba(255, 255, 255, 0.7)',
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width: 2,
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}),
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});
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// a normal select interaction to handle click
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const select = new Select();
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const select = new Select({
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style: function (feature) {
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const color = feature.get('COLOR_BIO') || '#eeeeee';
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selectedStyle.getFill().setColor(color);
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return selectedStyle;
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},
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});
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map.addInteraction(select);
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const selectedFeatures = select.getFeatures();
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@@ -85,11 +110,11 @@ const infoBox = document.getElementById('info');
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selectedFeatures.on(['add', 'remove'], function () {
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const names = selectedFeatures.getArray().map(function (feature) {
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return feature.get('name');
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return feature.get('ECO_NAME');
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});
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if (names.length > 0) {
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infoBox.innerHTML = names.join(', ');
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} else {
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infoBox.innerHTML = 'No countries selected';
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infoBox.innerHTML = 'None';
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}
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});
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@@ -17,12 +17,8 @@ const vectorLayer = new VectorLayer({
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format: new GeoJSON(),
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}),
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style: function (feature) {
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const color = feature.get('COLOR');
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if (color) {
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style.getFill().setColor(color);
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} else {
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style.getFill().setColor('#eeeeee');
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}
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const color = feature.get('COLOR') || '#eeeeee';
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style.getFill().setColor(color);
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return style;
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},
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});
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