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Helpers to generate a Twitter Bootstrap navbar
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README.md

BootstrapNavbar

Gem Version Build Status Dependency Status Code Climate

Helpers to generate a Twitter Bootstrap style navbar

Installation

This gem only provides a helper module with methods to generate HTML. It can be used by other gems to make these helpers available to a framework's rendering engine, e.g.:

In short: Unless you know what you're doing, do not use this gem directly in your app!

Requirements

Only Bootstrap >= 2.1.0 is supported. It might work with earlier versions as well though.

Setup

Set bootstrap_version (required)

BootstrapNavbar needs to know what version of Bootstrap it's dealing with since each version has small changes compared to the previous one.

BootstrapNavbar.configure do |config|
  config.bootstrap_version = '3.0.0'
end

Set current_url_method (required)

BootstrapNavbar has to be able to query for the current URL when rendering the navbar, e.g. to determine if a menu item is active or not. Since the way the current URL is determined varies depending on whether you use Rails, Sinatra, etc., this has to be set beforehand in some kind of initializer:

# For Rails >= 3.2
BootstrapNavbar.configure do |config|
  config.current_url_method = 'request.original_url'
end

current_url_method should be set to a string which can be evaled later.

Set up HTML escaping (optional)

If the framework or rendering engine that you use BootstrapNavbar with escapes HTML by default, you can instruct BootstrapNavbar to mark the returned HTML as html_safe by default by overriding BootstrapNavbar#prepare_html:

# For Rails
module BootstrapNavbar::Helpers
  def prepare_html(html)
    html.html_safe
  end
end

Mix in the helpers into the rendering engine (required)

# For Rails
ActionView::Base.send :include, BootstrapNavbar::Helpers

Usage

Since the navbar format changed quite a bit between Bootstrap 2.x and 3.x, generating them using this gem is quite different as well. Check out the Wiki pages for detailed instructions:

Usage with Bootstrap 2.x

Usage with Bootstrap 3.x

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request
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