From cf730b751b590ca80695492f5d62c4fb43efb4d3 Mon Sep 17 00:00:00 2001
From: erdgeist <erdgeist@erdgeist.org>
Date: Fri, 10 Jul 2026 03:40:48 +0200
Subject: Ensure that comparison view toggle is there for all diff modes

---
 app/views/revisions/diff.html.erb             | 17 ++++++++++++++++-
 public/stylesheets/admin.css                  |  1 +
 test/controllers/revisions_controller_test.rb |  9 +++++++++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/app/views/revisions/diff.html.erb b/app/views/revisions/diff.html.erb
index 490cf17..d70503c 100644
--- a/app/views/revisions/diff.html.erb
+++ b/app/views/revisions/diff.html.erb
@@ -9,13 +9,28 @@
   against <strong><%= describe_page_reference(params[:end_revision]) %></strong>
 </p>
 
+<p class="diff_view_toggle">
+  View:
+  <% if @diff_view == :inline %>
+    <strong>Inline</strong>
+  <% else %>
+    <%= link_to 'Inline', diff_node_revisions_path(@node, start_revision: params[:start_revision], end_revision: params[:end_revision], view: 'inline') %>
+  <% end %>
+  &middot;
+  <% if @diff_view == :side_by_side %>
+    <strong>Side by side</strong>
+  <% else %>
+    <%= link_to 'Side by side', diff_node_revisions_path(@node, start_revision: params[:start_revision], end_revision: params[:end_revision], view: 'side_by_side') %>
+  <% end %>
+</p>
+
 <% numeric_comparison = params[:start_revision].to_s =~ /\A\d+\z/ && params[:end_revision].to_s =~ /\A\d+\z/ %>
 
 <% if numeric_comparison %>
   <%= form_tag diff_node_revisions_path do %>
     <%= select_tag :start_revision, options_for_select(@node.pages.map{|x| x.revision}, params[:start_revision].to_i) %>
     <%= select_tag :end_revision, options_for_select(@node.pages.map{|x| x.revision}, params[:end_revision].to_i) %>
-    <%= select_tag :view, options_for_select([['Inline', 'inline'], ['Side by side', 'side_by_side']], @diff_view) %>
+    <%= hidden_field_tag :view, @diff_view %>
     <%= submit_tag 'Diff' %>
   <% end %>
 <% else %>
diff --git a/public/stylesheets/admin.css b/public/stylesheets/admin.css
index 56470bc..510e3cc 100644
--- a/public/stylesheets/admin.css
+++ b/public/stylesheets/admin.css
@@ -32,6 +32,7 @@ table.user_table a,
 table.revisions_table a,
 .add_child_links a,
 .standalone_action_bar a,
+.diff_view_toggle a,
 div#draft_list table td.actions a {
   text-decoration: underline;
   -webkit-text-decoration-style: wavy;
diff --git a/test/controllers/revisions_controller_test.rb b/test/controllers/revisions_controller_test.rb
index 162e6f1..bf92c5b 100644
--- a/test/controllers/revisions_controller_test.rb
+++ b/test/controllers/revisions_controller_test.rb
@@ -139,4 +139,13 @@ class RevisionsControllerTest < ActionController::TestCase
     assert_select "form.computation input[type=hidden][name=start_revision]"
     assert_select "form.computation input[type=hidden][name=end_revision]"
   end
+
+  test "the view toggle is available even when comparing named layers" do
+    login_as :quentin
+    @node.find_or_create_draft(@user)
+
+    post(:diff, params: { :node_id => @node.id, :start_revision => "head", :end_revision => "draft" })
+    assert_response :success
+    assert_select "a", "Side by side"
+  end
 end
-- 
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