Optimistic locking added for wiki edits.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@545 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wiki_controller.rb

@@ -60,14 +60,18 @@ class WikiController < ApplicationController
         redirect_to :action => 'index', :id => @project, :page => @page.title
         return
       end
-      @content.text = params[:content][:text]
-      @content.comments = params[:content][:comments]
+      #@content.text = params[:content][:text]
+      #@content.comments = params[:content][:comments]
+      @content.attributes = params[:content]
       @content.author = logged_in_user
       # if page is new @page.save will also save content, but not if page isn't a new record
       if (@page.new_record? ? @page.save : @content.save)
         redirect_to :action => 'index', :id => @project, :page => @page.title
       end
     end
+  rescue ActiveRecord::StaleObjectError
+    # Optimistic locking exception
+    flash[:notice] = l(:notice_locking_conflict)
   end
   
   # show page history