Update select features example

examples/select-features.js

@@ -1,25 +1,33 @@
 import GeoJSON from '../src/ol/format/GeoJSON.js';
 import Map from '../src/ol/Map.js';
-import OSM from '../src/ol/source/OSM.js';
 import Select from '../src/ol/interaction/Select.js';
+import VectorLayer from '../src/ol/layer/Vector.js';
 import VectorSource from '../src/ol/source/Vector.js';
 import View from '../src/ol/View.js';
-import {Tile as TileLayer, Vector as VectorLayer} from '../src/ol/layer.js';
+import {Fill, Stroke, Style} from '../src/ol/style.js';
 import {altKeyOnly, click, pointerMove} from '../src/ol/events/condition.js';
 
-const raster = new TileLayer({
+const style = new Style({
-  source: new OSM(),
+  fill: new Fill({
+    color: '#eeeeee',
+  }),
 });
 
 const vector = new VectorLayer({
   source: new VectorSource({
-    url: 'data/geojson/countries.geojson',
+    url: 'https://openlayers.org/data/vector/ecoregions.json',
     format: new GeoJSON(),
   }),
+  background: 'white',
+  style: function (feature) {
+    const color = feature.get('COLOR') || '#eeeeee';
+    style.getFill().setColor(color);
+    return style;
+  },
 });
 
 const map = new Map({
-  layers: [raster, vector],
+  layers: [vector],
   target: 'map',
   view: new View({
     center: [0, 0],
@@ -29,20 +37,39 @@ const map = new Map({
 
 let select = null; // ref to currently selected interaction
 
+const selected = new Style({
+  fill: new Fill({
+    color: '#eeeeee',
+  }),
+  stroke: new Stroke({
+    color: 'rgba(255, 255, 255, 0.7)',
+    width: 2,
+  }),
+});
+
+function selectStyle(feature) {
+  const color = feature.get('COLOR') || '#eeeeee';
+  selected.getFill().setColor(color);
+  return selected;
+}
+
 // select interaction working on "singleclick"
-const selectSingleClick = new Select();
+const selectSingleClick = new Select({style: selectStyle});
 
 // select interaction working on "click"
 const selectClick = new Select({
   condition: click,
+  style: selectStyle,
 });
 
 // select interaction working on "pointermove"
 const selectPointerMove = new Select({
   condition: pointerMove,
+  style: selectStyle,
 });
 
 const selectAltClick = new Select({
+  style: selectStyle,
   condition: function (mapBrowserEvent) {
     return click(mapBrowserEvent) && altKeyOnly(mapBrowserEvent);
   },