Add ability to restore default labels when editing metadata fields

Closes #3126

app/assets/stylesheets/spotlight/_blacklight_configuration.scss

@@ -48,9 +48,27 @@
   }
 }
 
+.metadata-configuration {
+  td, th {
+    padding: 0.75rem 0.25rem;
+  }
+  th {
+    font-size: $font-size-sm;
+  }
+  .metadata-label-edit {
+    max-width: fit-content;
+  }
+  .restore-default .btn {
+    text-wrap: nowrap;
+    margin-left: 0.5rem;
+  }
+}
+
+// the table id
 #nested-fields {
   margin-bottom: 1em;
 
+  // the tbody class
   .metadata_fields {
     .checkbox-cell {
       vertical-align: middle;
@@ -59,6 +77,7 @@
 
   .metadata-select {
     display: inline-block;
+    text-wrap: nowrap;
     min-width: 72px;
   }
 }

app/javascript/spotlight/admin/edit_in_place.js

@@ -43,5 +43,24 @@ export default class {
         return false;
       });
     })
+
+    $("[data-behavior='restore-default']").each(function(){
+      var hidden = $("[data-default-value]", $(this));
+      var value = $($("[data-in-place-edit-target]", $(this)).data('in-place-edit-target'), $(this));
+      var button = $("[data-restore-default]", $(this));
+      hidden.on('blur', function(){
+        if( $(this).val() == $(this).data('default-value') ) {
+          button.addClass('d-none');
+        } else {
+          button.removeClass('d-none');
+        }
+      });
+      button.on('click', function(e){
+        e.preventDefault();
+        hidden.val(hidden.data('default-value'));
+        value.text(hidden.data('default-value'));
+        button.hide();
+      });
+    });
   }
 }

app/javascript/spotlight/admin/index.js

@@ -8,7 +8,6 @@ import 'Path.Drag'
 
 import AddAnother from 'spotlight/admin/add_another'
 import AddNewButton from 'spotlight/admin/add_new_button'
-import Appearance from 'spotlight/admin/appearance'
 import BlacklightConfiguration from 'spotlight/admin/blacklight_configuration'
 import CopyEmailAddress from 'spotlight/admin/copy_email_addresses'
 import Croppable from 'spotlight/admin/croppable'
@@ -60,7 +59,6 @@ export default class {
   connect() {
     new AddAnother().connect()
     new AddNewButton().connect()
-    new Appearance().connect()
     new CopyEmailAddress().connect()
     new Croppable().connect()
     new EditInPlace().connect()

app/views/spotlight/metadata_configurations/_metadata_field.html.erb

@@ -1,12 +1,22 @@
-<tr data-id="<%= key.parameterize %>" class="dd-item">
+<% default_field_label = local_assigns.dig(:config, :original, :label) %>
+
+<tr data-id="<%= key.parameterize %>" class="dd-item" data-behavior="restore-default">
   <%= f.fields_for key do |field| %>
     <td>
       <%= field.hidden_field :weight, 'data-property' => 'weight' %>
       <div class="handle-wrap" data-in-place-edit-target=".edit-in-place" data-in-place-edit-field-target="[data-edit-field-target='true']">
         <div class="dd-handle dd3-handle"><%= t :drag %></div>
-        <a href="#edit-in-place" class="field-label edit-in-place"><%= config.display_label %></a>
-        <%= field.hidden_field :label, value: config.display_label, class: 'form-control form-control-sm', data: {:"edit-field-target" => 'true'} %>
-       </div>
+        <div class="d-flex justify-content-between">
+          <a href="#edit-in-place" class="field-label edit-in-place align-self-center"><%= config.display_label %></a>
+          <%= field.hidden_field :label, value: config.display_label, class: 'metadata-label-edit form-control form-control-sm', data: {:"edit-field-target" => 'true', default_value: default_field_label} %>
+          <% if default_field_label %>
+            <div class="restore-default">
+              <%= button_tag t(:'.restore_default'), data: {:"restore-default" => true}, class: "btn btn-secondary btn-sm #{'d-none' if config.display_label == default_field_label}" %>
+            </div>
+          <% end %>
+        </div>
+      </div>
+
     </td>
     <td class="checkbox-cell text-center">
       <%= field.check_box_without_bootstrap :show, checked: config.show, disabled: !config.immutable.show.nil?, hide_label: true %>

app/views/spotlight/metadata_configurations/edit.html.erb

@@ -8,10 +8,10 @@
 
     <p class="instructions"><%= t :'.instructions' %></p>
 
-    <table id="nested-fields" class="table table-striped dd-table">
+    <table id="nested-fields" class="metadata-configuration table table-striped dd-table">
       <thead>
         <tr>
-          <th><%= t :'.field.label' %></th>
+          <th class="w-50"><%= t :'.field.label' %></th>
           <th class="text-center">
             <div>
               <%= t :'.view.show' %>

config/locales/spotlight.en.yml

@@ -682,6 +682,8 @@ en:
       browse: Browse
       curated_features: Curated features
     metadata_configurations:
+      metadata_field:
+        restore_default: "Restore default"
       edit:
         deselect_all: Deselect all
         exhibit_specific:

spec/features/javascript/edit_in_place_spec.rb

@@ -61,7 +61,7 @@
   end
 
   describe 'Main navigation' do
-    it 'updates the label' do
+    it 'updates the Appearance label' do
       visit spotlight.exhibit_dashboard_path(exhibit)
 
       within '#sidebar' do
@@ -89,5 +89,36 @@
         expect(page).to have_css('h3', text: 'My Page Label')
       end
     end
+
+    it 'updates the metadata label' do
+      visit spotlight.exhibit_dashboard_path(exhibit)
+
+      within '#sidebar' do
+        click_link 'Metadata'
+      end
+
+      within('.metadata_fields') do
+        expect(html).to have_css("[data-id='language_ssm'][data-behavior='restore-default']", visible: true)
+        click_link('Language')
+        fill_in 'blacklight_configuration_index_fields_language_ssm_label', with: 'Not Language'
+      end
+
+      click_button 'Save changes'
+
+      find('input[type="submit"][value="Save changes"]').click
+
+      within('.metadata_fields') do
+        expect(page).to have_css('a[href="#edit-in-place"]', text: 'Not Language')
+        expect(page).to have_selector('button[name="button"][type="submit"][data-restore-default="true"]', text: 'Restore default', visible: true)
+      end
+
+      click_button 'Restore default'
+      click_button 'Save changes'
+
+      within('.metadata_fields') do
+        expect(page).to have_css('a[href="#edit-in-place"]', text: 'Language')
+        expect(page).to have_selector('button[name="button"][type="submit"][data-restore-default="true"]', text: 'Restore default', visible: false)
+      end
+    end
   end
 end