format.html {
if @attachment.is_diff?
@diff = File.new(@attachment.diskfile, "rb").read
+ @diff_type = params[:type] || User.current.pref[:diff_type] || 'inline'
+ @diff_type = 'inline' unless %w(inline sbs).include?(@diff_type)
render :action => 'diff'
elsif @attachment.is_text? && @attachment.filesize <= Setting.file_max_size_displayed.to_i.kilobyte
@content = File.new(@attachment.diskfile, "rb").read
<span class="author"><%= link_to_user(@attachment.author) %>, <%= format_time(@attachment.created_on) %></span></p>
<p><%= link_to_attachment @attachment, :text => l(:button_download), :download => true -%>
<span class="size">(<%= number_to_human_size @attachment.filesize %>)</span></p>
-
</div>
-
+<p>
+<% form_tag({}, :method => 'get') do %>
+ <label><%= l(:label_view_diff) %></label>
+ <%= select_tag 'type',
+ options_for_select(
+ [[l(:label_diff_inline), "inline"], [l(:label_diff_side_by_side), "sbs"]], @diff_type),
+ :onchange => "if (this.value != '') {this.form.submit()}" %>
+<% end %>
+</p>
<%= render :partial => 'common/diff', :locals => {:diff => @diff, :diff_type => @diff_type} %>
<% html_title @attachment.filename %>