Add methods to map locations helper.

app/helpers/map_locations_helper.rb

@@ -16,4 +16,50 @@ module MapLocationsHelper
     "#{prefix}_map_location_attributes_#{attribute}"
   end
 
+  def map_location_attribution_id(map_location)
+    "attribution-#{dom_id(map_location)}"
+  end
+
+  def map_location_remove_marker_link_id(map_location)
+    "remove-marker-link-#{dom_id(map_location)}"
+  end
+
+  def render_map(map_location, parent_class, editable, remove_marker_label)
+    map = content_tag_for :div,
+                          map_location,
+                          class: "map",
+                          data:{
+                            map: "",
+                            map_zoom: map_location_zoom(map_location),
+                            map_tiles_attribution_selector: map_location_attribution_id(map_location),
+                            map_tiles_provider: "//{s}.tile.osm.org/{z}/{x}/{y}.png",
+                            marker_editable: editable,
+                            marker_latitude: map_location_latitude(map_location),
+                            marker_longitude: map_location_longitude(map_location),
+                            marker_remove_selector: "##{map_location_remove_marker_link_id(map_location)}",
+                            latitude_input_selector: "##{map_location_input_id(parent_class, 'latitude')}",
+                            longitude_input_selector: "##{map_location_input_id(parent_class, 'longitude')}",
+                            zoom_input_selector: "##{map_location_input_id(parent_class, 'zoom')}"
+                          }
+    map += map_attributtion(map_location)
+    map += map_location_remove_marker(map_location, remove_marker_label) if editable
+  end
+
+  def map_attributtion(map_location, klass = nil)
+    content = "©#{link_to("OpenStreetMap", "http://osm.org/copyright")} contributors".html_safe
+    content_tag :div, id: map_location_attribution_id(map_location), class: "map-attributtion #{klass}" do
+      content
+    end
+  end
+
+  def map_location_remove_marker(map_location, text)
+    content_tag :div, class: "small-12 column text-right" do
+      content_tag :a,
+                  id: map_location_remove_marker_link_id(map_location),
+                  class: "location-map-remove-marker-button delete" do
+        text
+      end
+    end
+  end
+
 end