Groups are now workgroups. First part of moving groups-logic into admin-namespace.

app/views/admin/memberships/_edit_members.rhtml

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+<h1>Mitglieder von <%=h @group.name %></h1>
+<p>
+    <i>Hier kannst Du die Mitglieder der Gruppe verwalten.</i>
+</p>
+<div class="left_column" style="width:48%">
+    <div class="box_title">
+        <h2>Sind schon Mitglieder</h2>
+    </div>
+    <div class="column_content" id="members">
+        <%=render :partial => 'admin/memberships/members' %>
+    </div>
+</div>
+<div class="right_column" style="width:48%">
+    <div class="box_title">
+        <h2>Sind noch keine Mitglieder</h2>
+    </div>
+    <div class="column_content" id="non_members">
+        <%= render :partial => 'admin/memberships/non_members' %>
+		<%= link_to('Person einladen', :controller =>'index', :action => 'invite', :id => @group) if (@current_user.is_member_of(@group) || @current_user.role_admin?) %>
+    </div>
+</div>

app/views/admin/memberships/_members.rhtml

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+<% if flash[:error] %>
+  <h3 class="error" id="flashError" ><%= flash[:error] %></h3>
+  <%= javascript_tag("new Effect.Highlight('flashError', {delay:0.8, duration:1});") -%>
+<% end %>
+
+<% memberships = @group.memberships 
+   if memberships.size != 0 %>
+<ul style="">
+    <% for membership in memberships %>
+      <li style="margin-left:-15px">
+        <b><%= membership.user.nick %></b> (<%=h membership.user.first_name + ' ' + membership.user.last_name %>)
+         | <%= link_to_remote 'entfernen', 
+                :url => { :controller => 'admin/memberships', :action => 'drop_member', :group_id => @group, :membership_id => membership },
+                :before => "Element.show('loader')",
+                :success => "Element.hide('loader')" %>
+       </li>
+    <% end %>
+</ul>
+  <% else %>
+<p><i><%= @group.name %> hat keine Mitglieder.</i></p>
+  <% end %>

app/views/admin/memberships/_non_members.rhtml

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+<ul>
+ <% for user in @group.non_members %>
+  <li>
+    <b><%= user.nick %></b> (<%=h user.first_name + ' ' + user.last_name %>)
+    | <%= link_to_remote 'hinzufügen', 
+        :url => { :controller => 'admin/memberships', :action => 'add_member', :group_id => @group, :user_id => user },
+        :before => "Element.show('loader')",
+        :success => "Element.hide('loader')" %>
+  </li>
+ <% end %>
+</ul>