Redmine/app/views/projects/settings/_members.html.erb

<%= error_messages_for 'member' %>
<% roles = Role.find_all_givable
   members = @project.member_principals.find(:all, :include => [:roles, :principal]).sort %>

<div class="splitcontentleft">
<% if members.any? %>
<table class="list members">
  <thead><tr>
    <th><%= l(:label_user) %> / <%= l(:label_group) %></th>
    <th><%= l(:label_role_plural) %></th>
    <th style="width:15%"></th>
          <%= call_hook(:view_projects_settings_members_table_header, :project => @project) %>
  </tr></thead>
  <tbody>
  <% members.each do |member| %>
  <% next if member.new_record? %>
  <tr id="member-<%= member.id %>" class="<%= cycle 'odd', 'even' %> member">
  <td class="<%= member.principal.class.name.downcase %>"><%= link_to_user member.principal %></td>
  <td class="roles">
    <span id="member-<%= member.id %>-roles"><%=h member.roles.sort.collect(&:to_s).join(', ') %></span>
      <%= form_for(member, {:as => :membership, :remote => true, :url => membership_path(member),
                                          :method => :put,
                                          :html => { :id => "member-#{member.id}-roles-form", :class => 'hol' }}
             ) do |f| %>
        <p><% roles.each do |role| %>
        <label><%= check_box_tag 'membership[role_ids][]', role.id, member.roles.include?(role),
                                                       :disabled => member.member_roles.detect {|mr| mr.role_id == role.id && !mr.inherited_from.nil?} %> <%=h role %></label><br />
        <% end %></p>
        <%= hidden_field_tag 'membership[role_ids][]', '' %>
        <p><%= submit_tag l(:button_change), :class => "small" %>
        <%= link_to_function l(:button_cancel),
                             "$('member-#{member.id}-roles').show(); $('member-#{member.id}-roles-form').hide(); return false;"
             %></p>
      <% end %>
  </td>
  <td class="buttons">
      <%= link_to_function l(:button_edit),
                           "$('member-#{member.id}-roles').hide(); $('member-#{member.id}-roles-form').show(); return false;",
                           :class => 'icon icon-edit' %>
      <%= link_to_remote(
            l(:button_delete),
            { :url => membership_path(member),
              :method => :delete,
              :confirm => (!User.current.admin? && member.include?(User.current) ? l(:text_own_membership_delete_confirmation) : nil) },
            :title => l(:button_delete),
            :class => 'icon icon-del'
          ) if member.deletable? %>
  </td>
  <%= call_hook(:view_projects_settings_members_table_row, { :project => @project, :member => member}) %>
  </tr>
<% end; reset_cycle %>
  </tbody>
</table>
<% else %>
<p class="nodata"><%= l(:label_no_data) %></p>
<% end %>
</div>

<% principals = Principal.active.not_member_of(@project).all(:limit => 100, :order => 'type, login, lastname ASC') %>

<div class="splitcontentright">
<% if roles.any? && principals.any? %>
  <%= form_for(@member, {:as => :membership, :remote => true, 
                     :url => project_memberships_path(@project), :method => :post,
                     :loading => '$(\'member-add-submit\').disable();',
                     :complete => 'if($(\'member-add-submit\')) $(\'member-add-submit\').enable();'
                  } ) do |f| %>
    <fieldset><legend><%=l(:label_member_new)%></legend>

    <p><%= label_tag "principal_search", l(:label_principal_search) %><%= text_field_tag 'principal_search', nil %></p>
    <%= observe_field(:principal_search,
                 :frequency => 0.5,
                 :update => :principals,
                 :url => autocomplete_project_memberships_path(@project),
                 :method => :get,
                 :before => '$("principal_search").addClassName("ajax-loading")',
                 :complete => '$("principal_search").removeClassName("ajax-loading")',
                 :with => 'q')
                  %>

    <div id="principals">
      <%= principals_check_box_tags 'membership[user_ids][]', principals %>
    </div>

    <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), :id => 'member-add-submit' %></p>
    </fieldset>
  <% end %>
<% end %>
</div>