photomix/app/views/photos/show.html.erb

<h2><%= @photo.title %></h2>

<div id="fullimage">
  <div id="navigation">
    <p class="links">
      <% unless @previous.nil? %>
          <%= link_to "Previous", [@photo.album.collections.first, @photo.album, @previous] %>
          <% unless @next.nil? %>
              |
          <% end %>
      <% end %>
      <% unless @next.nil? %>
          <%= link_to "Next", [@photo.album.collections.first, @photo.album, @next] %>
      <% end %>
    </p>
  </div>
  <p><%= link_to_if @next, image_tag(@photo.attachment.single.url), [@photo.album.collections.first, @photo.album, @next] %></p>
</div>

<p><%= @photo.description %></p>
<p>Tagged with:
  <% for tag in @photo.tags.map { |tag| tag.title }.sort %>
      <%= link_to tag, tag_photos_path(tag) %>
  <% end %>

  <%= content_for :action_links do %>
      <% if current_user and current_user.has_role?("admin") %>
          <% if params[:collection_id] %>
              <%= link_to "Edit photo", edit_collection_album_photo_path(params[:collection_id], params[:album_id], @photo) %>
          <% else %>
              <%= link_to "Edit photo", edit_photo_path(@photo) %>
          <% end %>
      <% end %>
<% end %>