From 8f57efe850bf9805d9bfb073d16d4cf1d06882f5 Mon Sep 17 00:00:00 2001
From: Anton Khorev <tony29@yandex.ru>
Date: Tue, 3 Oct 2023 05:00:17 +0300
Subject: [PATCH] Add Bootstrap styling to changeset node/way/relation page
 links

---
 app/views/browse/_paging_nav.html.erb       |  6 +--
 lib/classic_pagination/pagination_helper.rb | 56 +++++++++++++++++++++
 2 files changed, 57 insertions(+), 5 deletions(-)

diff --git a/app/views/browse/_paging_nav.html.erb b/app/views/browse/_paging_nav.html.erb
index e13b1a9b8..02a7aa2c8 100644
--- a/app/views/browse/_paging_nav.html.erb
+++ b/app/views/browse/_paging_nav.html.erb
@@ -4,11 +4,7 @@
   </div>
   <% if pages.page_count > 1 %>
     <div class="col-auto">
-      <h4>
-        <span class="border border-lightgrey rounded p-1">
-          <%= raw pagination_links_each(pages, {}) { |n| link_to(n, page_param => n) } %>
-        </span>
-      </h4>
+      <%= raw pagination_links_bootstrap(pages, {}) { |n| url_for(page_param => n) } %>
     </div>
   <% end %>
 </div>
diff --git a/lib/classic_pagination/pagination_helper.rb b/lib/classic_pagination/pagination_helper.rb
index 3ff3c3b95..ed65944bc 100644
--- a/lib/classic_pagination/pagination_helper.rb
+++ b/lib/classic_pagination/pagination_helper.rb
@@ -130,6 +130,62 @@ module ActionView
 
         html
       end
+
+      # Same as above, but
+      # - with bootstrap classes
+      # - invoked block returns the page url
+      def pagination_links_bootstrap(paginator, options)
+        options = DEFAULT_OPTIONS.merge(options)
+        link_to_current_page = options[:link_to_current_page]
+        always_show_anchors = options[:always_show_anchors]
+
+        current_page = paginator.current_page
+        window_pages = current_page.window(options[:window_size]).pages
+        return unless link_to_current_page || window_pages.length > 1
+
+        first = paginator.first
+        last = paginator.last
+
+        html = ""
+
+        html << "<ul class='pagination pagination-sm'>"
+
+        if always_show_anchors && !(wp_first = window_pages[0]).first?
+          html << bootstrap_page_item(first.number.to_s, yield(first.number))
+          html << bootstrap_page_item("...") if wp_first.number - first.number > 1
+        end
+
+        window_pages.each do |page|
+          html << if current_page == page && !link_to_current_page
+                    bootstrap_page_item(page.number.to_s)
+                  else
+                    bootstrap_page_item(page.number.to_s, yield(page.number))
+                  end
+        end
+
+        if always_show_anchors && !(wp_last = window_pages[-1]).last?
+          html << bootstrap_page_item("...") if last.number - wp_last.number > 1
+          html << bootstrap_page_item(last.number.to_s, yield(last.number))
+        end
+
+        html << "</ul>"
+
+        html
+      end
+      
+      private
+
+      def bootstrap_page_item(body, url = nil)
+        if url
+          content_tag "li", :class => "page-item" do
+            link_to body, url, :class => "page-link"
+          end
+        else
+          content_tag "li", :class => "page-item disabled" do
+            content_tag "a", body, :class => "page-link"
+          end
+        end
+      end
     end
   end
 end
-- 
2.39.5