Breadcrumbs¶ ↑

Breadcrumbs is a simple plugin that adds a breadcrumbs object to controllers and views.

Just run sudo gem install breadcrumbs

On your controller (optional):

class ApplicationController < ActionController::Base
  before_filter :add_initial_breadcrumbs

  private
  def add_initial_breadcrumbs
    breadcrumbs.add 'Home', root_path
  end
end

class ThingsController < ApplicationController
  def index
    breadcrumbs.add 'Things', things_path
  end
end

You don’t need to provide an URL; in that case, a span will be generated instead of a link:

breadcrumbs.add 'Some page'

You can set additional HTML attributes if you need to:

breadcrumbs.add 'Home', root_path, :id => 'home', :title => 'Go to the home page'

You can also use polymorphic routes. Example:

breadcrumbs.add 'Manage User', [:admin, @user] # => e.g. /admin/users/123

On your view (possibly application.html.erb):

<%= breadcrumbs.render %>

You can render as ordered list.

<%= breadcrumbs.render(:format => :ordered_list) %>

You can render as inline links.

<%= breadcrumbs.render(:format => :inline) %>

You can set your own separator:

<p>
  You are here: <%= breadcrumbs.render(:format => :inline, :separator => '|') %>
</p>

You can also define your own formatter. Just create a class that implements a render instance method and you’re good to go.

class Breadcrumbs::Render::Dl
  def render
    # return breadcrumbs wrapped in a <DL> tag
  end
end

To use your new format, just provide the :format option.

breadcrumbs.render(:format => :dl)

Breadcrumbs is integrated with I18n. You can set translations like:

en:
  breadcrumbs:
    home: "Home"

And then you just call

breadcrumbs.add :home

In fact, you can provide any scope you want.

breadcrumbs.add "titles.home"

If you don’t want to translate a label, just pass the option :i18n as false.

breadcrumbs.add :home, nil, :i18n => false

• Nando Vieira - simplesideias.com.br

• Dimitrij Denissenko

License

(The MIT License)

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.