Added the ability to rename wiki pages (specific permission required).

Existing links that point to the old page are preserved and automatically redirected to the new page (this behaviour can be disabled when renaming the page).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@720 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wiki_controller.rb

@@ -75,6 +75,18 @@ class WikiController < ApplicationController
     flash[:error] = l(:notice_locking_conflict)
   end
   
+  # rename a page
+  def rename
+    @page = @wiki.find_page(params[:page])    
+    @page.redirect_existing_links = true
+    # used to display the *original* title if some AR validation errors occur
+    @original_title = @page.pretty_title
+    if request.post? && @page.update_attributes(params[:wiki_page])
+      flash[:notice] = l(:notice_successful_update)
+      redirect_to :action => 'index', :id => @project, :page => @page.title
+    end
+  end
+  
   # show page history
   def history
     @page = @wiki.find_page(params[:page])