From e7f053fde8fbdcd5fffae86ca33f5280c82baeb6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@entrouvert.com>
Date: Tue, 12 May 2020 13:50:29 +0200
Subject: [PATCH] maps: add map.each_marker javascript utility function
 (#42767)

---
 combo/apps/maps/static/js/combo.map.js | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/combo/apps/maps/static/js/combo.map.js b/combo/apps/maps/static/js/combo.map.js
index d1836fc9..6e58226e 100644
--- a/combo/apps/maps/static/js/combo.map.js
+++ b/combo/apps/maps/static/js/combo.map.js
@@ -129,7 +129,20 @@ $(function() {
           if (loading == 0) {
             $(cell).trigger('combo:map-markers-ready');
           }
-        }
+        },
+
+        each_marker: function(callback) {
+          // iterate over all markers, with context(this) being set to relative
+          // geojson_layer.
+          var layer_slugs = Object.keys(this.geojson_layers);
+          for (var i=0; i<layer_slugs.length; i++) {
+            var layer = this.geojson_layers[layer_slugs[i]];
+            if (layer.leaflet_layer) {
+              layer.leaflet_layer.eachLayer(callback, layer);
+            }
+          }
+        },
+
       });
 
     function render_map(cell) {