require 'pdf/writer'
require 'pdf/simpletable'
module RailsPDF
#this code comes from http://wiki.rubyonrails.com/rails/pages/HowtoGeneratePDFs
class PDFRender < ActionView::Base
include ApplicationHelper
def initialize(action_view)
@action_view = action_view
prefix = action_view.controller.class.to_s.gsub(/Controller/, '')
self.class.send(:include, "#{prefix}Helper".constantize)
end
def render(template, local_assigns = {})
#get the instance variables setup
@action_view.controller.instance_variables.each do |v|
instance_variable_set(v, @action_view.controller.instance_variable_get(v))
end
#keep ie happy
if @action_view.controller.request.env['HTTP_USER_AGENT'] =~ /msie/i
@action_view.controller.headers['Pragma'] ||= ''
@action_view.controller.headers['Cache-Control'] ||= ''
else
@action_view.controller.headers['Pragma'] ||= 'no-cache'
@action_view.controller.headers['Cache-Control'] ||= 'no-cache, must-revalidate'
end
@action_view.controller.headers["Content-Type"] ||= 'application/pdf'
if @rails_pdf_name
@action_view.controller.headers["Content-Disposition"] ||= 'attachment; filename="' + @rails_pdf_name + '"'
elsif @rails_pdf_inline
#set no headers
else #rails_pdf_inline was set to false. set filename = controller name
#since we weren't provided a custom name
@action_view.controller.headers["Content-Disposition"] ||= 'attachment; filename="' + @action_view.controller.controller_name + '.pdf' + '"'
end
if @landscape
pdf = PDF::Writer.new( :paper => (@paper || 'A4'), :orientation => :landscape )
else
pdf = PDF::Writer.new( :paper => (@paper || 'A4') )
end
pdf.compressed = true if RAILS_ENV != 'development'
eval template.source, nil, "#{@action_view.base_path}/#{@action_view.first_render}.#{@action_view.finder.pick_template_extension(@action_view.first_render)}"
pdf.render
end
def compilable?
false
end
end
end
