added setting option for wiki history compression (none or gzip)

git-svn-id: http://redmine.rubyforge.org/svn/branches/work@292 e93f8b46-1217-0410-a6f0-8f06a7374b81

wiki/app/models/wiki_content.rb

@@ -28,11 +28,18 @@ class WikiContent < ActiveRecord::Base
     attr_protected :data
     
     def text=(plain)
-      gz = Zlib::GzipWriter.new(compressed = StringIO.new)
-      gz.write(plain)
-      gz.close
-      self.data = compressed.string
-      self.compression = 'gzip'
+      case Setting.wiki_compression
+      when 'gzip'
+        gz = Zlib::GzipWriter.new(compressed = StringIO.new)
+        gz.write(plain)
+        gz.close
+        self.data = compressed.string
+        self.compression = 'gzip'
+      else
+        self.data = plain
+        self.compression = ''
+      end
+      plain
     end
     
     def text

wiki/app/views/settings/edit.rhtml

@@ -38,6 +38,9 @@
 <p><label><%= l(:setting_text_formatting) %></label>
 <%= select_tag 'settings[text_formatting]', options_for_select( [[l(:label_none), 0], ["textile", "textile"]], Setting.text_formatting) %></p>
 
+<p><label><%= l(:setting_wiki_compression) %></label>
+<%= select_tag 'settings[wiki_compression]', options_for_select( [[l(:label_none), 0], ["gzip", "gzip"]], Setting.wiki_compression) %></p>
+
 </div>
 <%= submit_tag l(:button_save) %>
 <% end %>