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= Feedback Plugin for Rails
Feedback is a Ruby on Rails plugin that adds an ajax-based
overlay feedback form triggered by a side-screen tab or a link.
The result of the feedback form is sent through a ActionMailer.
The plugin was inspired from the "feedback" widget of and
The plugin uses a generator to generate boiler-plate Javascript,
CSS, HTML, and ruby code into your application.
It sets up a ready to use feedback form (with minimal styling)
that you can further customize.
== Features
* Helper to display a sticky "feedback" tab.
* Display feedback form as an overlay with Ajax.
* Sends feedback result by email through an ActionMailer.
* Uses a generator such that you can customize the code and style to fit your app.
* Generates unit and functional tests.
* Works with Prototype and JQuery, choose through a generators flag.
* Currently supports IE6, IE7, IE8, FF2, FF3, Chrome2 and SafariX
== Motivation
Collecting feedback from users is really important. Third-party services
such as and are awesome tools to manage your feedback.
However, we found out that in many instances such as for small sites or back-ends, we wanted
a similar feedback form integration/experience but simpler, local, and customized.
== Install and Getting Started
Install the plugin:
ruby script/plugin install git://
Run the generator:
ruby script/generate feedback_form
By default it will generate the Prototype code, you can use jQuery if you prefer:
ruby script/generate feedback_form --jquery
Make sure Prototype is included in your header:
<%= javascript_include_tag :defaults %>
Include the feedback.css and the files into your header.
There is a helper to do that:
<%= feedback_includes %>
To add a sticky 'feedback' tab to your site, in the header place:
<%= feedback_tab(:position => 'top') %>
Configure the action mailer in app/models/feedback_mailer.rb
def feedback(feedback)
@recipients = ''
@from = ''
@subject = "[Feedback for] #{feedback.subject}"
== How-to's
=== How to customize the position of the feedback tab?
The feedback_tab helper takes the option "position" which has four different values (top|bottom|left|right)
that corresponds to class in the feedback.css file. You can fine tune the position by changing the left/right, top/bottom
attributes of those css classes.
=== How to trigger the feedback form from a custom link?
The feedback_link(text, options={}) helper allows you the create a link that will trigger the feedback form.
<%= feedback_link "Leave us feedback!" %>
Your layout header must also have the includes:
<%= feedback_includes %>
=== How to customize the email message?
Edit the /app/views/feedback_mailer/feedback.html.erb generated file in your app
=== How to store the feedback results in the database?
Feedback generates a model that is not an active record model. In order to store the feedbacks in your database, make it
an active record model:
class Feedback < ActiveRecord::Base
validates_presence_of :comment
You must also write a migration to create your table:
class CreateFeedbacks < ActiveRecord::Migration
def self.up
create_table :feedbacks do |t|
t.string :subject
t.string :email
t.text :comment
def self.down
drop_table :feedbacks
== Limitations (TODOs)
* No unit tests for Javascript
* Feedback PNG with transparency supported by IE6
* Graceful fallback if Javascript is not enabled/supported
* More customization options through helpers: (overlay style, tab color, etc...)
== Acknowledgements
Thanks to for the
idea of the "feedback" tab.
Part of this plugin was inspired from other software.
Thanks to their respective authors.
* Facebox:
* restful_authentication:
Copyright (c) 2009 Jean-Sebastien Boulanger <>, released under the MIT license
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