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Enrichments (e9s) module for a pluggable CMS frontend
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README.textile

Rich-CMS

A Rails gem (and also plugin) for a pluggable CMS frontend

Introduction

Rich-CMS is a module of E9s (http://github.com/archan937/e9s) which provides a frontend for your CMS content.

Installation

Using Rich-CMS as gem

Install the Rich-CMS gem:

  sudo gem install rich_cms

Add rich_cms in environment.rb as a gem dependency:

  config.gem "rich_cms"

Using Rich-CMS as plugin

Install the Rich-CMS plugin:

  ./script/plugin install git://github.com/archan937/rich_cms.git 

Use the provided Rails generators

Rich-CMS requires two entities:

  • An Authlogic authenticated user model
  • An ActiveRecord model used for CMS content storage

Fortunately, Rich-CMS is provided with two Rails generators with which you can generate both entities.

Authlogic user

Run the following in your console:

  script/generate rich_authlogic_user

Note: At default, it will create both the User and UserSesson classes and CreateUsers migration. You can alter the class names with the following:

  script/generate rich_authlogic_user CodeHeroes::User --migrate

Note: Both generators have the -m or --migrate option which runs rake db:migrate after creating the files.

CMS content

Run the following in your console:

  script/generate rich_cms_content

Note: At default, it will create the CmsContent model and CreateCmsContents migration. You can alter the class name with the following:

  script/generate rich_cms_content CmsItem

In case you have used the Rails generators, you can skip the Create required entities manually section and go straight to Render Rich-CMS in your views.

Create required entities manually

Specify the authentication mechanism

Provide the mechanism as a symbol (e.g. :authlogic) and the authenticated class along with the attribute used to identify the instance in a hash.

  Rich::Cms::Engine.authenticate(:authlogic, {:class_name => "User", :identifier => :email})

Unfortunately, only AuthLogic (http://github.com/binarylogic/authlogic) is supported, but we are working hard on making Rich-CMS compatible with other mechanisms.

Register CMS content

Every type of content is identified with its correspending CSS selector (used by the jQuery based Javascript module of Rich-CMS). You will have to provide some specifications:

  • :class_name – The class of the CMS content model which contain the data

The following specifications are optional as Rich-Cms uses defaults:

  • :key (default: :key) – The key used for identification of content. You can also provide an array for a combined key (e.g. [:key, :locale])
  • :value (default: :value) – The attribute which stores the value of the content instance.
  • :tag (default: :span) – The tag used for content items.
  • :add (default: []) – An array of the content item attributes included within the HTML attributes.
  • :before_edit (default: nil) – Javascript function called before showing the edit form of a content item.
  • :after_update (default: Rich.Cms.Editor.afterUpdate) – Javascript function called after update a content item.
  Rich::Cms::Engine.register(".cms_content", {:class_name => "Cms::StaticContent"})
  Rich::Cms::Engine.register(".i18n"       , {:class_name => "Translation", :key => [:key, :locale], :before_edit => "Rich.I18n.beforeEdit", :after_update => "Rich.I18n.afterUpdate"})

Render Rich-CMS in your views

Alter your layout

Add the following line at the beginning of the <body> tag:

  <body>
    <%= rich_cms %>
    ...
  </body>

Use the Rich-CMS helper method

Rich-CMS requires a rendered DOM element provided with meta data of the content instance. Fortunately, you can call a method provided by Rich-CMS. Just specify the identifier of the content type and the key of the CMS content instance in question:

  >> key = "test_content"
  => "test_content"
  >> Rich::Cms::Engine.to_content_tag(".cms_content", key)
  => "<div class='cms_content' data-key='test_content' data-value='Hello world!'>Hello world!</div>"

When using a combined key for content identification, just call it as follows:

  >> Rich::Cms::Engine.to_content_tag(".cms_content", {:key => key, :locale => I18n.locale})
  => "<div class='cms_content' data-key='test_content' data-locale='nl' data-value='Hallo wereld!'>Hallo wereld!</div>"

Note: In this case, the content was registered with Rich::Cms::Engine.register(".cms_content", {:class_name => "Cms::StaticContent", :key => [:key, :locale]})

We have also provided you a helper method to render Rich-CMS content tags:

  ...
  <%= rich_cms_tag ".cms_content", "test_content" %>
  <%= rich_cms_tag ".cms_content", {:key => "test_content", :locale => I18n.locale} %>
  ...

Rich-CMS in your browser

Open http://localhost:3000/cms, log in and start managing CMS content.

Customizing the after update implementation

The update action response of Rich::CmsController is provided with JSON data regarding the updated content item. The response will be passed to the after_update Javascript function. Its default JSON data:

  {"__selector__": ".cms_content", "__identifier__": {"key": "test_paragraph"}, "value": "Hello world!"}

Note: __selector__ and __identifier__ are always provided in the JSON data.

When specifying a custom after update Javascript function, you probably want to acquire more information than provided in the default JSON data. You can customize this by defining the to_rich_cms_response method in the CMS content model class:

  class Translation < ActiveRecord::Base
  
    def to_rich_cms_response(params)
      {:value => value, :translations => Hash[*params[:derivative_keys].split(";").uniq.collect{|x| [x, x.t]}.flatten]}
    end
  
  end

The JSON data provided will be look like:

  {"__selector__": ".i18n", "__identifier__": {"locale": "nl", "key": "word.user"}, "value": "gebruiker", "translations": {"users": "gebruikers"}}

Contact me

For support, remarks and requests please mail me at paul.engel@holder.nl.

Credit

This Rails gem / plugin depends on:

jQuery
http://jquery.com

AuthLogic
http://github.com/binarylogic/authlogic

Formtastic
http://github.com/justinfrench/formtastic

SASS
http://sass-lang.com

Jzip
http://codehero.es/rails_gems_plugins/jzip
http://github.com/archan937/jzip

RaccoonTip
http://codehero.es/jquery_libraries/raccoon_tip
http://github.com/archan937/raccoon_tip

SeatHolder
http://codehero.es/jquery_libraries/seat_holder
http://github.com/archan937/seat_holder

ToDo’s

  • Provide better conventions for content rendering
  • Provide tools to use Textile, MarkDown, image files upload and models (e.g. products)
  • Provide compatibility with other authentication mechanisms other than AuthLogic
  • Add cache feature which uses the standard Rails cache (rich_cms_tag “.cms_content”, “test_content”, :cache => true)
  • Make Rich-CMS compatible with Rails 3

Enrichments

The all-in-one gem at – http://codehero.es/rails_gems_plugins/e9shttp://github.com/archan937/e9s

E9s modules

License

Copyright © 2010 Paul Engel, released under the MIT license

http://holder.nlhttp://codehero.eshttp://gettopup.comhttp://twitter.com/archan937paul.engel@holder.nl

Permission is hereby granted, free of charge, to any person obtaining 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.

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