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A Rails plugin to make creating a wizard easy and with a lot less code
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yairgo/actsaswizard
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ActsAsWizard ============ Build dynamic wizards on the web with very little code. Sticking to convention over configuration, I think that this plugin will be useful and familiar to seasoned Rails developers, but easy enough for the new Rails developers, too. I hope the example makes the code self explanatory. I would also love for someone to come along and help me write tests for this. Not using TDD goes totally against my normal coding style. This started as a spike, and morphed its way into code I didn't want to throw away. Now I've gotten so excited over it that I just want to get it out there for feedback. Example ======= # app/models/employee.rb # The symbols passed to acts_as_wizard must correspond # to the models that are the pages, and are in desired # display order class Employee < ActiveRecord::Base acts_as_wizard :personal_information, :work_information end # app/models/personal_informtion.rb # acts_as_wizard_page is really an alias for belongs_to # but it makes the functionality clear class PersonalInformation < ActiveRecord::Base acts_as_wizard_page :employee end # app/controllers/employees_controller.rb # the controller has a few notable functions that need to be called # also notice the page instance variable. That is important # for the view helper methods class EmployeesController < ApplicationController def new @employee = Employee.new @employee.save redirect_to edit_employee_url(@employee) end def edit @employee = Employee.find(params[:id]) @page = @employee.get_wizard_page end def update @employee = Employee.find(params[:id]) @page = @employee.get_wizard_page if @page.update_attributes(params[@employee.get_current_wizard_step]) @employee.switch_wizard_page(params[:direction]) @employee.save redirect_to :action => :edit else render :action => :edit end end end # app/views/employees/edit.html.erb # notice the wizard partial render and the previous and next button functions <%=javascript_include_tag :defaults %> <% form_for(@employee) do |f| -%> <%= error_messages_for :page %> <fieldset> <%= render_wizard_partial @employee %> </fieldset> <hr/> <table class="controls"> <tr> <td> <%= previous_wizard_button @employee %> </td> <td> <%= next_wizard_button %> </td> </tr> </table> <% end -%> # app/views/employee_wizard_pages/_personal_information.html.erb # notice the name of the folder corresponds to the wizard model name # and the template file corresponds to the name of the page model # notice the text_field tag is a little different <h1>Personal Information</h1> <label for="personal_information_name">Name</label> <%= wizard_page_text_field :name %> # The wizard model doesn't have to hold any information because the pages belong to it class CreateEmployees < ActiveRecord::Migration def self.up create_table :employees do |t| t.integer :state t.timestamps end end def self.down drop_table :employees end end # Migration for a wizard page holds all the information for the wizard class CreatePersonalInformations < ActiveRecord::Migration def self.up create_table :personal_informations do |t| t.integer :employee_id t.string :name t.timestamps end end def self.down drop_table :personal_informations end end Thank You ========= Adam Klunick at Quantiverge, Inc. for having faith that there had to be better way to make a wizard, and for trying Rails even when he had never written Ruby. Mike Hagedorn for writing a wizard how-to for Pragmatic Studios - Advanced Rails Recipes. The recipe put me on this path. Copyright (c) 2008 Amos L. King, released under the MIT license
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A Rails plugin to make creating a wizard easy and with a lot less code
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