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pagedown-bootstrap-rails.gemspec

Readme.md

PageDown Bootstrap Rails

A Ruby gem version of https://github.com/tchapi/pagedown-bootstrap for the Rails asset pipeline.

Installation

Add to your Gemfile:

gem 'pagedown-bootstrap-rails'

In Rails 3.1 or Rails 3.2 this goes in the :asset group, but in Rails 4 it goes with the top level gems.

You will also need Bootstrap and FontAwesome for PageDown Bootstrap Rails to work.

Usage

Require the CSS with Sprockets:

/*= require pagedown_bootstrap */

Or with a SASS import:

@import "pagedown_bootstrap";

Sprockets require the JS too:

//= require pagedown_bootstrap

Or individually as you please:

//= require markdown.converter
//= require markdown.editor
//= require markdown.sanitizer
//= require markdown.extra

You will need to instantiate PageDown and pagedown-bootstrap-rails comes with pagedown_init for you to optionally include:

$ ->
  $('textarea.wmd-input').each (i, input) ->
    attr = $(input).attr('id').split('wmd-input')[1]
    converter = new Markdown.Converter()
    Markdown.Extra.init(converter)
    help =
      handler: () ->
        window.open('http://daringfireball.net/projects/markdown/syntax')
        return false
      title: "<%= I18n.t('components.markdown_editor.help', default: 'Markdown Editing Help') %>"
    editor = new Markdown.Editor(converter, attr, help)
    editor.run()

Just require it with Sprockets after pagedown_bootstrap:

//= require pagedown_bootstrap
//= require pagedown_init

I like to then use a new SimpleForm input:

class PagedownInput < SimpleForm::Inputs::TextInput
  def input
    out = "<div id=\"wmd-button-bar-#{attribute_name}\"></div>\n"
    out << "#{@builder.text_area(attribute_name, input_html_options.merge(
      { :class => 'wmd-input', :id => "wmd-input-#{attribute_name}"})) }"
    if input_html_options[:preview]
      out << "<div id=\"wmd-preview-#{attribute_name}\" class=\"wmd-preview\"></div>"
    end
    out.html_safe
  end
end

Which you use in your form like so:

= f.input :description, :as => :pagedown, :input_html => { :preview => true }

This is how it looks:

Glorious