Redmine/app/views/groups/_memberships.html.erb

<% roles = Role.find_all_givable %>
<% projects = Project.active.all %>

<div class="splitcontentleft">
<% if @group.memberships.any? %>
<table class="list memberships">
  <thead><tr>
    <th><%= l(:label_project) %></th>
    <th><%= l(:label_role_plural) %></th>
    <th style="width:15%"></th>
  </tr></thead>
  <tbody>
  <% @group.memberships.each do |membership| %>
  <% next if membership.new_record? %>
  <tr id="member-<%= membership.id %>" class="<%= cycle 'odd', 'even' %> class">
  <td class="project"><%=h membership.project %></td>
  <td class="roles">
    <span id="member-<%= membership.id %>-roles"><%=h membership.roles.sort.collect(&:to_s).join(', ') %></span>
    <%= form_for(:membership, :remote => true,
                 :url => { :action => 'edit_membership', :id => @group, :membership_id => membership },
                 :html => { :id => "member-#{membership.id}-roles-form", :style => 'display:none;'}) do %>
        <p><% roles.each do |role| %>
        <label><%= check_box_tag 'membership[role_ids][]', role.id, membership.roles.include?(role) %> <%=h role %></label><br />
        <% end %></p>
        <p><%= submit_tag l(:button_change) %>
        <%= link_to_function(
              l(:button_cancel),
              "$('#member-#{membership.id}-roles').show(); $('#member-#{membership.id}-roles-form').hide(); return false;"
            ) %></p>
    <% end %>
  </td>
  <td class="buttons">
      <%= link_to_function(
            l(:button_edit),
            "$('#member-#{membership.id}-roles').hide(); $('#member-#{membership.id}-roles-form').show(); return false;",
            :class => 'icon icon-edit'
          ) %>
      <%= delete_link({:controller => 'groups', :action => 'destroy_membership', :id => @group, :membership_id => membership},
                      :remote => true,
                      :method => :post) %>
  </td>
  </tr>
<% end; reset_cycle %>
  </tbody>
</table>
<% else %>
<p class="nodata"><%= l(:label_no_data) %></p>
<% end %>
</div>

<div class="splitcontentright">
<% if projects.any? %>
<fieldset><legend><%=l(:label_project_new)%></legend>
<%= form_for(:membership, :remote => true, :url => { :action => 'edit_membership', :id => @group }) do %>
<%= label_tag "membership_project_id", l(:description_choose_project), :class => "hidden-for-sighted" %>
<%= select_tag 'membership[project_id]', options_for_membership_project_select(@group, projects) %>
<p><%= l(:label_role_plural) %>:
<% roles.each do |role| %>
  <label><%= check_box_tag 'membership[role_ids][]', role.id %> <%=h role %></label>
<% end %></p>
<p><%= submit_tag l(:button_add) %></p>
<% end %>
</fieldset>
<% end %>
</div>