Refactoring

Move the truncate() method into ApplicationHelper.
Move another method around, for no particularly
good reason. Controllers really shouldn't have
public methods that don't correspond to actions.

app/helpers/application_helper.rb

@@ -111,4 +111,17 @@ module ApplicationHelper
     PageRenderer.new(page.revisions.last).display_content
   end
 
+  def truncate(text, length = 30, truncate_string = '...')
+    return text if text.length <= length
+    len = length - truncate_string.length
+    t = ''
+    text.split.collect do |word|
+      if t.length + word.length <= len
+        t << word + ' '
+      else 
+        return t.chop + truncate_string
+      end
+    end
+  end
+
 end