#--
# Copyright (c) 2007 Robert S. Thau, Smartleaf, Inc.
# 
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#++
# Methods added to this helper will be available to all templates in the application.
module ApplicationHelper

  # Have form_for default :builder to Access::Sensitive::FormBuilder
  # if :if_not_permitted is supplied.

  def form_for( *args, &block )
    hack_form_for_args( args )
    super
  end

  # Have fields_for default :builder to Access::Sensitive::FormBuilder
  # if :if_not_permitted is supplied.

  def fields_for( *args )
    hack_form_for_args( args )
    super
  end

  private 

  def hack_form_for_args( args )
    if args.last.is_a?( Hash ) && 
        args.last.has_key?( :if_not_permitted ) &&
        !args.last.has_key?( :builder )
      opts = args.pop.clone
      opts[:builder] = Access::Sensitive::FormBuilder
      args << opts
    end
  end

end