Redmine/app/views/enumerations/list.rhtml

<h2><%=l(:label_enumerations)%></h2>
&nbsp;
<% Enumeration::OPTIONS.each do |option, name| %>

	<% if params[:opt]==option %>	
  
		<h3><%= l(name) %></h3>
		<ul>
		<% for value in Enumeration.find(:all, :conditions => ["opt = ?", option]) %>			
			<li><%= link_to value.name, :action => 'edit', :id => value %></li>	
		<% end %>
    </ul>
    <p><%= link_to l(:label_enumeration_new), { :action => 'new', :opt => option }, :class => "icon icon-add" %></p>&nbsp;
    
	<% else %>	
		<h3><%= link_to l(name), :opt => option %></h3>
	<% end %>
  
<% end %>