X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/e4ed5ae2756fb00d039f0da5b9dafd52862adf12..406e93de958e2c88b4fe5a5ff58ad6c6c0b16539:/vendor/assets/leaflet/leaflet.js

diff --git a/vendor/assets/leaflet/leaflet.js b/vendor/assets/leaflet/leaflet.js
index 794496b35..b972941d9 100644
--- a/vendor/assets/leaflet/leaflet.js
+++ b/vendor/assets/leaflet/leaflet.js
@@ -1752,6 +1752,7 @@ L.Map = L.Class.extend({
 
 		var oldSize = this.getSize();
 		this._sizeChanged = true;
+		this._initialCenter = null;
 
 		if (this.options.maxBounds) {
 			this.setMaxBounds(this.options.maxBounds);
@@ -1825,7 +1826,7 @@ L.Map = L.Class.extend({
 	getCenter: function () { // (Boolean) -> LatLng
 		this._checkIfLoaded();
 
-		if (!this._moved()) {
+		if (this._initialCenter && !this._moved()) {
 			return this._initialCenter;
 		}
 		return this.layerPointToLatLng(this._getCenterLayerPoint());
@@ -6765,15 +6766,22 @@ L.Map.mergeOptions({
 
 L.Map.DoubleClickZoom = L.Handler.extend({
 	addHooks: function () {
-		this._map.on('dblclick', this._onDoubleClick);
+		this._map.on('dblclick', this._onDoubleClick, this);
 	},
 
 	removeHooks: function () {
-		this._map.off('dblclick', this._onDoubleClick);
+		this._map.off('dblclick', this._onDoubleClick, this);
 	},
 
 	_onDoubleClick: function (e) {
-		this.setZoomAround(e.containerPoint, this._zoom + 1);
+		var map = this._map,
+		    zoom = map.getZoom() + 1;
+
+		if (map.options.doubleClickZoom === 'center') {
+			map.setZoom(zoom);
+		} else {
+			map.setZoomAround(e.containerPoint, zoom);
+		}
 	}
 });
 
@@ -6833,7 +6841,11 @@ L.Map.ScrollWheelZoom = L.Handler.extend({
 
 		if (!delta) { return; }
 
-		map.setZoomAround(this._lastMousePos, zoom + delta);
+		if (map.options.scrollWheelZoom === 'center') {
+			map.setZoom(zoom + delta);
+		} else {
+			map.setZoomAround(this._lastMousePos, zoom + delta);
+		}
 	}
 });