Merge pull request #2628 from projectblacklight/search-component-config

Make some more search-related components configurable

app/views/catalog/_constraints.html.erb

@@ -1 +1 @@
-<%= render(Blacklight::ConstraintsComponent.new(search_state: search_state)) %>
+<%= render (blacklight_config&.view_config(document_index_view_type)&.constraints_component || Blacklight::ConstraintsComponent).new(search_state: search_state) %>

app/views/catalog/_facets.html.erb

@@ -1,7 +1,7 @@
 <% # container for facet groups -%>
 <% blacklight_config.facet_group_names.each do |groupname| %>
   <% fields = blacklight_config.facet_fields_in_group(groupname) %>
-  <%= render Blacklight::Response::FacetGroupComponent.new(id: groupname, fields: fields, response: @response) do |component| %>
+  <%= render (blacklight_config&.view_config(document_index_view_type)&.facet_group_component || Blacklight::Response::FacetGroupComponent).new(id: groupname, fields: fields, response: @response) do |component| %>
     <% component.body do %>
       <%= render Blacklight::FacetComponent.with_collection(fields, response: @response) %>
     <% end %>

app/views/catalog/_search_form.html.erb

@@ -1,4 +1,4 @@
-<%= render(Blacklight::SearchBarComponent.new(
+<%= render((blacklight_config&.view_config(document_index_view_type)&.search_bar_component || Blacklight::SearchBarComponent).new(
       url: search_action_url,
       advanced_search_url: search_action_url(action: 'advanced_search'),
       params: search_state.params_for_search.except(:qt),

lib/blacklight/configuration.rb

@@ -127,7 +127,13 @@ def default_values
       # what field, if any, to use to render grouped results
       group: false,
       # additional response formats for search results
-      respond_to: OpenStructWithHashAccess.new
+      respond_to: OpenStructWithHashAccess.new,
+      # component class used to render the facet grouping
+      facet_group_component: nil,
+      # component class used to render search constraints
+      constraints_component: nil,
+      # component class used to render the search bar
+      search_bar_component: nil
     )
 
     # @!attribute show

lib/blacklight/configuration/view_config.rb

@@ -18,6 +18,12 @@ class ViewConfig < Blacklight::OpenStructWithHashAccess
     #   @return [String, Symbol] icon file to use in the view picker
     # @!attribute document_actions
     #   @return [NestedOpenStructWithHashAccess{Symbol => Blacklight::Configuration::ToolConfig}] 'tools' to render for each document
+    # @!attribute facet_group_component
+    #   @return [Class] component class used to render a facet group
+    # @!attribute constraints_component
+    #   @return [Class] component class used to render the constraints
+    # @!attribute search_bar_component
+    #   @return [Class] component class used to render the search bar
     def search_bar_presenter_class
       super || Blacklight::SearchBarPresenter
     end