X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=js%2Fsrc%2Fgeo%2FOpenLayersMapPart.js;h=160930d6b7447563b309de34030dcf808d24b00a;hb=b4b19aebd564f6be5195f2e5ea1499ac8a3f40e7;hp=a1fc2b852f1e9a298f9bf07a2615664f31cc3f6d;hpb=9cfc7842603c9c09d686ab9972099ed0a7c22a6e;p=gpl%2Fargeo-suite.git

diff --git a/js/src/geo/OpenLayersMapPart.js b/js/src/geo/OpenLayersMapPart.js
index a1fc2b8..160930d 100644
--- a/js/src/geo/OpenLayersMapPart.js
+++ b/js/src/geo/OpenLayersMapPart.js
@@ -2,19 +2,27 @@
  * @module OpenLayersMapPart
  */
 
-import Map from 'ol/Map.js';
-import View from 'ol/View.js';
 import { fromLonLat, getPointResolution } from 'ol/proj.js';
-import VectorSource from 'ol/source/Vector.js';
 import Feature from 'ol/Feature.js';
 import { Point } from 'ol/geom.js';
+import { transformExtent } from 'ol/proj.js';
+
 import VectorLayer from 'ol/layer/Vector.js';
+import TileLayer from 'ol/layer/Tile.js';
+
+import VectorSource from 'ol/source/Vector.js';
 import GeoJSON from 'ol/format/GeoJSON.js';
 import GPX from 'ol/format/GPX.js';
+import OSM from 'ol/source/OSM.js';
+
 import Select from 'ol/interaction/Select.js';
 import Overlay from 'ol/Overlay.js';
 import { Style, Icon } from 'ol/style.js';
 
+import Map from 'ol/Map.js';
+import View from 'ol/View.js';
+import { OverviewMap, ScaleLine, defaults as defaultControls } from 'ol/control.js';
+
 import * as SLDReader from '@nieuwlandgeo/sldreader';
 
 import MapPart from './MapPart.js';
@@ -24,6 +32,8 @@ export default class OpenLayersMapPart extends MapPart {
 	/** The OpenLayers Map. */
 	#map;
 
+	#overviewMap;
+
 	/** Styled layer descriptor */
 	#sld;
 
@@ -33,7 +43,24 @@ export default class OpenLayersMapPart extends MapPart {
 	/** Constructor taking the mapName as an argument. */
 	constructor(mapName) {
 		super(mapName);
+		this.#overviewMap = new OverviewMap({
+			layers: [
+				new TileLayer({
+					source: new OSM(),
+				}),
+			],
+		});
 		this.#map = new Map({
+			controls: defaultControls({
+				attribution: false,
+				rotate: false,
+			}).extend([this.#overviewMap, new ScaleLine({
+				bar: false,
+				steps: 2,
+				text: false,
+				minWidth: 150,
+				maxWidth: 200,
+			})]),
 			layers: [
 			],
 			//						view: new View({
@@ -52,8 +79,13 @@ export default class OpenLayersMapPart extends MapPart {
 		this.#map.getView().setZoom(zoom);
 	}
 
-	setCenter(lng, lat) {
-		this.#map.getView().setCenter(fromLonLat([lng, lat]));
+	setCenter(lat, lon) {
+		this.#map.getView().setCenter(fromLonLat([lon, lat]));
+	}
+
+	fit(extent, options) {
+		var transformed = transformExtent(extent, 'EPSG:4326', this.#map.getView().getProjection());
+		this.#map.getView().fit(transformed, options);
 	}
 
 	addPoint(lng, lat, style) {
@@ -274,5 +306,4 @@ export default class OpenLayersMapPart extends MapPart {
 		});
 		vectorLayer.setStyle(olStyleFunction);
 	}
-
 }