Two-step record deletion without JS

app/controllers/administrate/application_controller.rb

@@ -21,9 +21,15 @@ def index
     end
 
     def show
-      render locals: {
-        page: Administrate::Page::Show.new(dashboard, requested_resource),
-      }
+      if params[:destroy]
+        render :destroy, locals: {
+          page: Administrate::Page::Destroy.new(dashboard, requested_resource),
+        }
+      else
+        render locals: {
+          page: Administrate::Page::Show.new(dashboard, requested_resource),
+        }
+      end
     end
 
     def new

app/helpers/administrate/application_helper.rb

@@ -70,7 +70,9 @@ def sanitized_order_params(page, current_field_name)
       association_params = collection_names.map do |assoc_name|
         { assoc_name => %i[order direction page per_page] }
       end
-      params.permit(:search, :id, :page, :per_page, association_params)
+      params.
+        permit(:destroy, :search, :id, :page, :per_page, association_params).
+        except(:destroy)
     end
 
     def clear_search_params

app/views/administrate/application/_collection.html.erb

@@ -85,11 +85,11 @@ to display a collection of resources in an HTML table.
         <% if valid_action? :destroy, collection_presenter.resource_name %>
           <td><%= link_to(
             t("administrate.actions.destroy"),
-            [namespace, resource],
-            class: "text-color-red",
-            method: :delete,
-            data: { confirm: t("administrate.actions.confirm") }
-          ) if show_action? :destroy, resource %></td>
+            polymorphic_path([namespace, resource], destroy: true),
+            html_options: {
+              class: "text-color-red",
+            },
+          ) if show_action?(:destroy, resource) %></td>
         <% end %>
       </tr>
     <% end %>

app/views/administrate/application/destroy.html.erb

@@ -0,0 +1,42 @@
+<%#
+# Destroy
+
+This view is the template for the destroy page.
+It renders a confirmation form, asking the user
+whether they actually intend to destroy the
+requested record.
+
+## Local variables:
+
+- `page`:
+  An instance of [Administrate::Page::Destroy][1].
+  Contains methods for accessing the resource to be displayed on the page,
+  helping compose a confirmation message.
+
+  [1]: http://www.rubydoc.info/gems/administrate/Administrate/Page/Destroy
+%>
+
+<% content_for(:title) { t("administrate.actions.destroy_resource", name: page.page_title) } %>
+
+<header class="main-content__header" role="banner">
+  <h1 class="main-content__page-title">
+    <%= content_for(:title) %>
+  </h1>
+
+  <div>
+    <%= link_to(
+      t("administrate.actions.show_resource", name: page.page_title),
+      [namespace, page.resource],
+      class: "button",
+    ) if valid_action?(:show) && show_action?(:show, page.resource) %>
+  </div>
+</header>
+
+<section class="main-content__body">
+  <%= form_for([namespace, page.resource], method: :delete, html: { class: "form" }) do |f| %>
+    <div class="form-actions">
+      <p><%= t("administrate.actions.confirm") %></p>
+      <%= f.submit t("administrate.actions.destroy") %>
+    </div>
+  <% end %>
+</section>

config/locales/administrate.en.yml

@@ -8,6 +8,7 @@ en:
       edit_resource: Edit %{name}
       show_resource: Show %{name}
       new_resource: New %{name}
+      destroy_resource: Destroy %{name}
       back: Back
     controller:
       create:

lib/administrate/engine.rb

@@ -9,6 +9,7 @@
 require "administrate/page/form"
 require "administrate/page/show"
 require "administrate/page/collection"
+require "administrate/page/destroy"
 require "administrate/order"
 require "administrate/resource_resolver"
 require "administrate/search"

lib/administrate/page/destroy.rb

@@ -0,0 +1,8 @@
+require_relative "base"
+
+module Administrate
+  module Page
+    class Destroy < Page::Show
+    end
+  end
+end