ensl.org/app/views/forums/_form.html.erb

<div class="wide box">
  <%= form_for(@forum) do |f| %>
    <div id="error_explanation">
      <ul>
        <% @forum.errors.full_messages.each do |msg| %>
          <li><%= msg %></li>
        <% end %>
      </ul>
    </div>

    <p>
      <%= f.label :title %><br />
      <%= f.text_field :title %>
    </p>
    <p>
      <%= f.label :description %><br />
      <%= f.text_field :description %>
    </p>
    <p>
      <%= f.label :category %><br />
      <%= f.select :category_id, Category.domain(Category::DOMAIN_FORUMS).ordered.collect{|c| [c, c.id]} %>
    </p>
    <p>
      <%= f.submit 'Save' %>
    </p>
  <% end %>
</div>

<% unless @forum.new_record? %>
  <div class="wide box">
    <h2>
      Access Rights
    </h2>

    If no groups are specified, everyone is allowed for the specific access type.

    <table class="data">
      <tr>
        <th>Group</th>
        <th>Access Level</th>
        <th>Options</th>
      </tr>

      <% @forum.forumers.each do |forumer| %>
        <tr class="<%= cycle('even', 'odd') %>">
          <%= form_for forumer do |g| %>
            <td><%= namelink forumer.group %></td>
            <td>
              <%= g.select :access, forumer.accesses.invert, :size => 20 %>
            </td>
            <td>
              <%= link_to_function "Update", "$('edit_forumer_#{forumer.id}').submit()" %>
              <%= link_to "Remove", forumer, :method => :delete %>
            </td>
          <% end %>
        </tr>
      <% end %>
    </table>

    <%= form_for @forum.forumers.build do |f| %>
      <%= f.error_messages %>
      <%= f.hidden_field :forum_id %>
      <p>
        <%= f.label :group_id %><br />
        <%= f.select :group_id, Group.all.collect{|g| [g, g.id]} %>
        <%= f.select :access, f.object.accesses.invert, :size => 20 %>
        <%= f.submit "Add" %>
      </p>
    <% end %>
  </div>
<% end %>