MultiStageForm

Plugin for creating multi stage form

This is only prototype.

TODO

* improve documentation
* make tests
* minimize code in controller

Usage

Model

class Post < ActiveRecord::Base
  validates_presence_of(:name_1, :name_2)

  attr_accessor( :current_stage )

  multi_stage_form(
    :validates_on_stage => {
      1 => [:name_1],
      2 => [:name_2]
    },
    :stages => 2
  )
end

Controller

class PostsController < ApplicationController

  def index
  end

  def new
    @post = msf_new(params[:current_stage])
  end

  def create
    @post = msf_create(params[:post])
    multi_stage_form(@post)
  end

  protected

  def stage_2
    #do something on stage 2
  end

end

View

new.html.haml

= error_messages_for( :post )
= render( :partial => "step_#{@post.current_stage}" )

_step_1.html.haml

- form_for( @post ) do |f|
  = f.hidden_field( :current_stage, :value => @step_id )
  %ul
    %li
      = f.label( :name_1 )
      = f.text_field( :name_1 )
    %li
      = f.submit( 'next' )

_step_2.html.haml

- form_for( @post ) do |f|
  = f.hidden_field( :current_stage, :value => @step_id )
  %ul
    %li
      = f.label( :name_2 )
      = f.text_field( :name_2 )
    %li
      = f.submit( 'create' )

Copyright © 2009 Artur Małecki