Fix dynamic data loading for new request url.

js/Contao.js

@@ -139,6 +139,7 @@ L.Contao = L.Evented.extend({
      * @param map         Pass a map object so that the data loading events are passed to the map.
      */
     loadUrl: function (url, type, options, customLayer, map) {
+        url = this.applyFilterToUrl(url, map);
         var layer = omnivore[type](url, options, customLayer);
 
         if (map) {
@@ -147,7 +148,7 @@ L.Contao = L.Evented.extend({
 
             // Add listener for map bounds changes.
             if (map.options.dynamicLoad && layer.options.boundsMode == 'fit') {
-                layer.options.requestHash = hash;
+                layer.options.requestUrl = url;
                 map.on('moveend', layer.refreshData, layer);
 
                 map.on('layerremove', function(e) {
@@ -326,6 +327,37 @@ L.Contao = L.Evented.extend({
         }
 
         return value;
+    },
+
+
+    /**
+     * Apply the filter to a request url.
+     *
+     * @param {string} url The request url.
+     * @param {L.Map}  map The map.
+     *
+     * @returns {string}
+     */
+    applyFilterToUrl: function (url, map) {
+        var value, query, bounds;
+
+        if (!map || !map.options.dynamicLoad) {
+            return url;
+        }
+
+        url = new URL(url);
+        query = new URLSearchParams(url.search);
+
+        bounds = map.getBounds();
+        value  = bounds.getSouth() + ',' + bounds.getWest();
+        value += ',' + bounds.getNorth() + ',' + bounds.getEast();
+
+        query.set('filter', 'bbox');
+        query.set('values', value);
+
+        url.search = query.toString();
+
+        return url.toString();
     }
 });
 

js/Mixin.GeoJSON.js

@@ -29,6 +29,6 @@ L.GeoJSON.include({
         });
 
         // TODO: Allow other data formats.
-        omnivore.geojson(L.contao.createRequestUrl(this.options.requestHash, e.target), null, dataLayer);
+        omnivore.geojson(L.contao.applyFilterToUrl(this.options.requestUrl, e.target), null, dataLayer);
     }
 });