Improved tasks.

app/views/shared/_workgroup_members.haml

@@ -1,6 +1,14 @@
-- for workgroup in Workgroup.all
-  %h4= link_to workgroup.name, "#", 'data-toggle-this' => "#workgroup_#{workgroup.id}"
-  %ul{:style => "display:none"}[workgroup]
-    - for user in workgroup.users.order("nick")
-      %li= "#{user.nick} (#{user.ordergroup.try(:name)})"
-  
+.well.well-small
+  %h4 Mitglieder der Gruppen
+  #groupMembers.accordion
+    - Workgroup.all.each do |workgroup|
+      .accordion-group
+        .accoridon-heading
+          = link_to workgroup.name, "#collapse#{workgroup.id}", data: {toggle: 'collapse', parent: '#groupMembers'}
+        %div{id: "collapse#{workgroup.id}", class: 'accordion-body collapse'}
+          .accordion-inner
+            %ul.unstyled
+              - workgroup.users.includes(:groups).order('nick').each do |user|
+                %li
+                  = user.nick
+                  %small (#{user.ordergroup.try(:name)})