Second part of admin-namespace-reorder. Also renamed OrderGroup into Ordergroup. More view-sharing between groups is neccessary.

app/views/admin/ordergroups/_form.html.haml

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+- form_for [:admin, @ordergroup] do |@form|
+  = @form.error_messages
+
+  %div{:style => "float:left;width:55%;"}
+    %p
+      = @form.label :name
+      %br/
+      = @form.text_field :name, :size => 20
+    %p
+      = @form.label :description
+      %br/
+      = @form.text_field :description, :size => 40
+    %p
+      = @form.label :actual_size, "Aktuelle Gruppengröße"
+      %br/
+      = @form.text_field :actual_size, :size => 3
+
+  %div{:style => "float:right;width:40%"}
+    %h3 Gruppe hat Zugriff auf
+    %table
+      %tr
+        %td
+          = @form.label :role_admin, "Administration"
+        %td= @form.check_box :role_admin
+      %tr
+        %td
+          = @form.label :role_finance, "Finanzen"
+        %td= @form.check_box :role_finance
+      %tr
+        %td
+          = @form.label :role_suppliers, "Lieferantenverwaltung"
+        %td= @form.check_box :role_suppliers
+      %tr
+        %td
+          = @form.label :role_article_meta, "Artikelverwaltung"
+        %td= @form.check_box :role_article_meta
+      %tr
+        %td
+          = @form.label :role_orders, "Bestellungsverwaltung"
+        %td= @form.check_box :role_orders
+
+  %br{ :style => "clear:both" }
+  = submit_tag "Speichern"
+  |
+  = link_to "Abbrechen", admin_ordergroups_path

app/views/admin/ordergroups/_ordergroups.html.haml

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+%p
+  %table{:style => "width:100%"}
+    %tr
+      %td
+        = pagination_links_remote @ordergroups, { :update => "ordergroups" }
+      %td{:style => "text-align:right"}
+        - if @total > 20
+          = items_per_page :update => "ordergroups"
+%table.list
+  %thead
+    %tr
+      %th Name
+      %th Mitglieder
+      %th
+  %tbody
+    - for ordergroup in @ordergroups
+      %tr{:class => cycle('even','odd', :name => 'groups')}
+        %td= link_to ordergroup.name, [:admin, ordergroup]
+        %td= ordergroup.users.size
+        %td
+          = link_to image_tag('b_users.png', :size => '16x16',  :border => "0", :alt => 'Mitlglieder bearbeiten'), memberships_admin_ordergroup_path(ordergroup)
+          = link_to(image_tag('b_edit.png', :size => "16x16", :border => "0", :alt => 'Gruppe bearbeiten'), edit_admin_ordergroup_path(ordergroup))
+          = link_to(image_tag('b_drop.png', :size => "16x16", :border => "0", :alt => 'Gruppe löschen'), [:admin, ordergroup], |
+                         :confirm => 'Willst du ' + ordergroup.name + ' wirklich löschen?', :method => :delete) |

app/views/admin/ordergroups/edit.html.haml

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+- title "Bestellgruppe bearbeiten"
+
+.edit_form{:style => "width:50em"}
+  = render :partial => 'form'

app/views/admin/ordergroups/index.html.haml

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+- title "Bestellgruppen"
+
+%p
+  %i
+    Hier kannst du
+    = link_to 'neue Bestellgruppen', new_admin_ordergroup_path
+    anlegen, Gruppen bearbeiten und löschen.
+    
+%p
+  Beachte dabei den <em>Unterschied zwischen Gruppe und Bestellgruppe</em>:
+  Eine Bestellgruppe hat ein Konto und kann Essen bestellen. In einer
+  %em= link_to 'Arbeisgruppe', admin_workgroups_path
+  (z.b. 'Soritiergruppe')
+  koordinieren sich die Mitglieder mittels Aufgaben und Nachrichten.
+  Nutzer_innen können immer nur einer Bestellgruppe, aber beliebig vielen anderen Gruppen angehören.
+.left_column{:style => "width:100%"}
+  .box_title
+    %h2 Gruppenübersicht
+  .column_content
+    #group_filter
+      %form{:name=>"sform", :action=>"", :style=>"display:inline;"}
+        %label{:for => 'ordergroup_name'} Suche in Name :
+        = text_field_tag("query", params['query'], :size => 10 )
+        
+      = observe_field 'query',  :frequency => 2, |
+        :before => "Element.show('loader')", |
+        :success => "Element.hide('loader')", |
+        :update => "ordergroups", |
+        :url => admin_ordergroups_path, |
+        :with => 'query', |
+        :method => :get |
+    #ordergroups
+      = render :partial => "ordergroups"
+  = link_to 'Neue Arbeits', new_admin_ordergroup_path

app/views/admin/ordergroups/memberships.html.haml

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+= render :partial => 'admin/memberships/edit_members'
+%p{ :style => "clear:both" }
+  = link_to 'Gruppenübersicht', admin_ordergroups_path

app/views/admin/ordergroups/new.html.haml

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+- title "Bestellgruppe anlegen"
+
+.edit_form{:style => "width:50em"}
+  = render :partial => 'form'

app/views/admin/ordergroups/show.html.haml

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+- title "Arbeitsgruppe #{@ordergroup.name}"
+.left_column{:style => "width:45em"}
+  .box_title
+    %h2 Übersicht
+  .column_content
+    %p
+      %b Beschreibung:
+      =h @ordergroup.description
+    %p
+      %b Gruppe hat Zugriff auf:
+      - roles = Array.new
+      - roles << 'Administration' if @ordergroup.role_admin?
+      - roles << 'Finanzen' if @ordergroup.role_finance?
+      - roles << 'Lieferanten' if @ordergroup.role_suppliers?
+      - roles << 'Artikel' if @ordergroup.role_article_meta?
+      - roles << 'Bestellungsverwaltung' if @ordergroup.role_orders?
+      =h roles.join(', ')
+    %p
+      - if @ordergroup.weekly_task
+        %b wöchentlicher Job:
+        =h @ordergroup.task_name
+        am
+        = weekday(@ordergroup.weekday)
+      - else
+        kein wöchentlicher Job definiert
+
+    = link_to 'Gruppe bearbeiten', edit_admin_ordergroup_path(@ordergroup)
+    |
+    = link_to 'Löschen', [:admin, @ordergroup], :confirm => 'Bist Du sicher?', :method => :delete
+    |
+    = link_to 'Nachricht senden', :controller => 'messages', :action => 'group', :id => @ordergroup
+  .box_title
+    %h2 Mitglieder
+  .column_content
+    - if @ordergroup.memberships.empty?
+      %i Diese Gruppe hat derzeit keine Mitglieder
+    - else
+      %ul{:style => "list-style-type:decimal;"}
+        - for membership in @ordergroup.memberships
+          %li= link_to membership.user.nick, [:admin, membership.user]
+    %p= link_to 'Mitglieder bearbeiten', memberships_admin_ordergroup_path(@ordergroup)
+%p{:style => "clear:both"}= link_to "Gruppenübersicht", admin_ordergroups_path