X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=js%2Fsrc%2Fgeo%2FOpenLayersMapPart.js;h=4be5987b831f7d7617e9511b2f21449c0d1f805f;hb=720e78163faf96ccc966d155a516487af52ccec2;hp=6fedd7a2a382f9f6d8b77de9cbfae761a96b72cb;hpb=79f547b6827c6f2f8d2a0eb809d2a5ac9d1e1df3;p=gpl%2Fargeo-suite.git

diff --git a/js/src/geo/OpenLayersMapPart.js b/js/src/geo/OpenLayersMapPart.js
index 6fedd7a..4be5987 100644
--- a/js/src/geo/OpenLayersMapPart.js
+++ b/js/src/geo/OpenLayersMapPart.js
@@ -14,6 +14,7 @@ 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 { isEmpty } from 'ol/extent';
 
 import Select from 'ol/interaction/Select.js';
 import Overlay from 'ol/Overlay.js';
@@ -22,6 +23,7 @@ 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 { easeOut } from 'ol/easing';
 
 import * as SLDReader from '@nieuwlandgeo/sldreader';
 
@@ -260,6 +262,24 @@ export default class OpenLayersMapPart extends MapPart {
 		}
 	}
 
+	fitToLayer(layerName) {
+		// we cannot use 'this' in the function provided to OpenLayers
+		let mapPart = this;
+		const layer = this.getLayerByName(layerName);
+		const source = layer.getSource();
+		const extent = source.getExtent();
+		const options = {
+			duration: 1000,
+			padding: [20, 20, 20, 20],
+			easing: easeOut,
+		};
+		if (!isEmpty(extent))
+			this.#map.getView().fit(source.getExtent(), options);
+		source.on('featuresloadend', function(e) {
+			mapPart.getMap().getView().fit(source.getExtent(), options);
+		});
+	}
+
 	//
 	// STATIC FOR EXTENSION
 	//