Activo is a theme for Web-app-theme, Formtastic and Attrtastic. This is a Rails plugin to make it painfully easy to use.
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README.md

Activo Rails

This gem provides a Rails 3 engine which makes using the Activo web application theme a more pleasant process.

It places all the required assets in the right places, and provides an application layout, saving you from having to strip out the relevant bits and build it yourself everytime.

There are also a few view helpers available to simplify the creation of common UI elements such as button lists, breadcrumbs, and menus.

Installing

To install the theme add the following line to your application's Gemfile:

gem "activo-rails"

Update your bundle, and then in your application controller set the layout:

class ApplicationController < ActionController::Base
  layout "activo"
end

If you only want to use Activo in some controllers, then you should only set the layout in those controllers, and the rest of the application will continue to use your default layout.

Hello, World!

A basic view, with a single content block, and a page title would look something like this.

<% page_title "Hello, world!" %>

<div class="block">
  <div class="content">
    <h2>Hello, World!</h2>
    <div class="inner">
      <p>This is a basic Activo template.</p>
    </div>
  </div>
</div>

Unfortunatly there's a bit of divitis involved in using Activo. I'd like to reduce that with some more helpers, but I'm not entirely sure how to do so cleanly at the moment. It's probably worth it though.

If you're using a decent text editor, it should be automatable anyway.

If you're interested in a scaffold, check out the themed generator from web-app-theme (https://github.com/pilu/web-app-theme).

View Helpers

There are a few view helpers available to use which deal with some of the more awkward parts of Activo.

Setting the Page Title

As shown in the previous example, you can call page_title to set the title to be displayed.

<% page_title "My Lovely Page" %>

Icons

To display icons use the icon helper. Activo includes the Fatcow icons from www.fatcow.com/free-icons, which are licensed under the Creative Commons Attribution 3.0 license. It's up to you to either comply with that license, or replace them with something else.

<%= icon "delete", :large, :alt => "Delete Item" %>

The first argument is the filename of the icon, without extension.

The second is the size. :small gives a 16x16 icon, :large gives 32x32.

Finally, a hash of options. Currently the only valid option is :alt which sets the alt text to be included in the image tag. Further options will probably be supported in the future.

Navigation Tabs

The secondary_navigation helper is used to add some tabs to the top of a content block.

<% page_title "About Us" %>

<div class="block">
  <%= secondary_navigation do |n|
    n.item "The Company", about_path("company"), :active => true
    n.item "Our Offices", about_path("offices")
    n.item "Jobs", about_path("jobs"), :class => "highlighted"
  end %>
  <div class="content">
    <h2>About Us</h2>
    <div class="inner">
      <p>We're an amazing company! We do things!</p>
      <p>To find out more, click the tabs above.</p>
    </div>
  </div>
</div>

Each item can be passed a hash of options. Valid options are:

active (boolean): If set to true, the tab will be highlighted as the current tab. class (string): Additional classes to apply to the tab. link_options (hash): A hash of options to pass to link_to.

Breadcrumbs

These are much like tabs, but appear at the bottom of a block as a trail of pages. They're added using the breadcrumbs helper.

<% page_title "News Item 3" %>

<div class="block">
  <div class="content">
    <h2>News Item 3</h2>
    <div class="inner">
      <p>We've got some new news here. Read all about it!</p>
    </div>
  </div>
  <%= breadcrumbs do |b|
    b.item "Home", root_path
    b.item "News", news_path
    b.item "News Item 3", news_path(3), :active => true
  end %> 
</div>

Valid options are the same as for tabs.

Controls

To add a set of buttons to the top of a block, use the controls helper.

<% page_title "News Item 3 (Admin Mode)" %>

<div class="block">
  <div class="content">
    <%= controls do |c|
      c.item "Delete", news_path(3), :link_options => { :method => :delete, :confirm => "Really delete News Item 3?" }, :icon => "delete"
      c.item "Edit", edit_news_path(3), :icon => "edit"
    end %>
    <h2>News Item 3</h2>
    <div class="inner">
      <p>We've got some new news here. Read all about it!</p>
    </div>
  </div>
</div>

Valid options are the same as for tabs, with an additional icon option, which will be passed to the icon helper.

Adding to the header

To add content to the header, you have two choices, depending on how often you need to do so.

yield :head

If you just need to add something on a single page, provide some content for the head block:

<% content_for :head do %>
  <script>
    console.log('This is in the header now.')
  </script>
<% end %>

def head

If you're going to want the content more regularly, you can create a helper called head, which will be called at the appropriate place:

def head
  content_tag("script", "console.log('This is in the header now.')")
end

Customising the Layout

You probably want to add a few menus of your own, and maybe a sidebar as well. That's done by providing some helpers within your application which if they exist will be called by Activo to fill in the empty spaces.

Navigation

The main and user navigation areas at the top of the page are populated in the same way. The main navigation is the text based one on the left hand side, while the user navigation is the row of icons on the right.

To populate them create a helper called either main_navigation or user_navigation. The method will be passed a NavigationBuilder instance which can be filled with items.

module ApplicationHelper
  def main_navigation(menu)
    menu.item "Home", root_path
    menu.item "News", news_path, :active => true
  end
end

When populating the user navigation you probably want to make the first argument a call to image_tag since the space available isn't big enough for anything other icons.

Status

In the top right, opposite the logo, there's a section which can be filled with text to notify your users of important information. If a status_menu helper exists, the return value will be used to fill that space.

module ApplicationHelper
  def status_menu
    "Welcome back Jon!"
  end
end

The Sidebar

The sidebar is filled by a sidebar helper if one exists.

module ApplicationHelper
  def sidebar
    content_tag("div", :class => "block") do
      content_tag("ul", :class => "navigation") do
        content_tag("li", link_to("News Item 3", news_path(3)))
      end
    end
  end
end

It's probably easier to render a partial here, especially if your sidebar is going to change frequently.

Hiding the Sidebar

If you don't want a sidebar at all you can expand the content area to fill the available space. Set the full_width instance variable to do so.

class ApplicationController < ActionController::Base
  before_filter :hide_sidebar
  
  def hide_sidebar
    @full_width = true
  end
  protected :hide_sidebar
end

Using Formtastic

Activo is already set up to be used with Formtastic, but doesn't directly depend on it, since form builders are very much a matter of taste.

If you would like to use it (and I recommend it), then just add gem 'formtastic' to your Gemfile, and almost everything will work out of the box.

Currently, if you'd like activo style buttons, you'll need to manually generate them, as the formtastic helper hasn't been updated to emit buttons yet. It should be coming for the 2.1 release. See https://github.com/justinfrench/formtastic/issues/11

Also, the theme doesn't support the formtastic way of emitting buttons. Until this is all cleared up, if you want pretty buttons, your markup needs to be as follows:

<div class="group navform wat-cf">
		<button class="button" type="submit">
			<img src="stylesheets/themes/activo/images/icons/tick.png" alt="Save"> Save
		</button>
		<a href="#header" class="button">
			<img src="stylesheets/themes/activo/images/icons/cross.png" alt="Cancel"> Cancel
		</a>
	</div>

If you've used the web-app-theme themed generator, you'll need to manually update your forms to use formtastic.

web-app-theme

This theme is compatible with the generators from web-app-theme (https://github.com/pilu/web-app-theme). Some of the markup has diverged hasn't been fully tested. If you find issues, please fork and submit a pull.

Contributing

This is currently a very young gem. I'm using it in a couple of projects quite happily, but it could certainly use some smoothing out of the edges, and more view helpers. If you want to contribute, fork this repository, and send me a pull request when your feature is ready.

Any contributions should come with accompanying tests, examples of which can be found in the spec/ directory.

To test that the right content is being generated make modifications to the application in spec/dummy/ and then add a new integration test for it in spec/integration/. I know not everything is covered by integration tests yet. That's no excuse not to write them for new features ;)

The test suite can be run by using rake spec.

Credits

For the original (and beautiful) Activo web app theme: David Francisco (http://github.com/dmfrancisco/activo) Icons: FatCow (http://www.fatcow.com/free-icons)

Fixing jQuery UI image paths: Mike Park (http://github.com/mikepinde/)

Fixing link options, and breadcrumbs: Nirmit Patel (http://github.com/NeMO84/)

And thanks to the people brave enough to use this before it was released, or even had a readme, for provoking me into actually releasing the damn thing.

## License ##

All original components of activo-rails are licensed under the MIT license:

Copyright (c) 2011, Blank Pad Development

That doesn't cover the Activo theme itself, the FatCow icon set, or jQuery, which remain under their original licenses and the property of their original authors.