Added page-preview feature to wiki module.

app/views/pages/_body.html.haml

@@ -0,0 +1 @@
+= wikified_body @page.body

app/views/pages/_form.html.haml

@@ -1,3 +1,7 @@
+- if params[:preview]
+  %h2 Vorschau
+  #preview= render :partial => 'body'
+
 #wiki-syntax-help{:style => "float:right"}
   %p
     %b Schnelle Formatierungshilfe
@@ -25,6 +29,8 @@
     %br/
     = f.text_area :body, :size => "60x30"
   %p
+    = f.submit "Vorschau", :name => 'preview'
+    |
     = f.submit "Speichern"
     |
     = link_to "Abbrechen", :back

app/views/pages/show.html.haml

@@ -11,7 +11,7 @@
           = "(#{User.find(version.updated_by).nick})"
 
 
-= wikified_body @page.body
+= render :partial => 'body'
 
 %hr.clear/
 %p