Provide alternative strategy for padding map around markers with settings

assets/javascripts/discourse/lib/map-utilities.js.es6

@@ -61,8 +61,25 @@ const setupMap = function (
       [b[1], b[3]],
     ]);
   } else if (markers) {
-    const maxZoom = siteSettings.location_map_marker_zoom;
-    map.fitBounds(markers.getBounds().pad(0.1), { maxZoom });
+    if (siteSettings.location_alternative_marker_map_padding_strategy) {
+      let bounds = markers.getBounds();
+      let fitZoom = map.getBoundsZoom(bounds);
+
+      map.setView(
+        bounds.getCenter(),
+        fitZoom -
+          siteSettings.location_alternative_marker_map_padding_zoom_out_extent
+      );
+    } else {
+      const maxZoom = siteSettings.location_map_marker_zoom;
+
+      map.fitBounds(
+        markers
+          .getBounds()
+          .pad(siteSettings.location_marker_map_padding_extent),
+        { maxZoom }
+      );
+    }
   } else {
     const defaultLat = Number(siteSettings.location_map_center_lat);
     const defaultLon = Number(siteSettings.location_map_center_lon);

config/locales/server.en.yml

@@ -28,6 +28,9 @@ en:
     location_map_marker_category_color: "Set marker color as the category color of the marker topic."
     location_map_maker_cluster_enabled: "Enable marker clustering"
     location_map_zoom: "Default zoom level for maps."
+    location_marker_map_padding_extent: "Amount of padding around markers"
+    location_alternative_marker_map_padding_strategy: "Alternative strategy for padding a view of markers by zooming out x levels"
+    location_alternative_marker_map_padding_zoom_out_extent: "Level of zoom out (x) for alternative marker padding strategy"
     location_map_expanded_zoom: "Default zoom level for expanded maps."
     location_map_center_lat: "Default center latitude for maps."
     location_map_center_lon: "Default center longitude for maps."

config/settings.yml

@@ -81,6 +81,15 @@ plugins:
   location_map_marker_zoom:
     default: 16
     client: true
+  location_marker_map_padding_extent:
+    default: 0.1
+    client: true
+  location_alternative_marker_map_padding_strategy:
+    default: false
+    client: true
+  location_alternative_marker_map_padding_zoom_out_extent:
+    default: 0.5
+    client: true
   location_map_marker_cluster_multiplier:
     default: 6
     client: true

plugin.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 # name: discourse-locations
 # about: Tools for handling locations in Discourse
-# version: 6.5.1
+# version: 6.5.2
 # authors: Angus McLeod, Robert Barrow
 # contact_emails: [email protected]
 # url: https://github.com/angusmcleod/discourse-locations