ui tweaks, fix edit

app/controllers/permissions_controller.rb

@@ -1,12 +1,21 @@
 class PermissionsController < ApplicationController
   active_scaffold :permission do |conf|
-    conf.actions.exclude :show
+    conf.actions.exclude :show, :search
     conf.columns = [:domain, :user, :user_email]
     conf.list.columns = [:domain, :user, :user_email]
     conf.create.columns = [:domain, :user_email]
     conf.update.columns = [:domain, :user_email]
     conf.columns[:user_email].form_ui = :virtual
     conf.columns[:user_email].description = 'user\'s email address, to share with. Ex. jhon.doe@domain.com'
+    conf.create.link.label = 'Share Domain'
+    # conf.columns[:user_email].search_sql = 'user.email'
+    # conf.columns[:user].search_sql = 'CONCAT(first_name, ' ', last_name)'
   end
   before_filter :ensure_nested_under_domain
+  
+  protected
+  
+  def beginning_of_chain
+    super.readonly(false)
+  end
 end