Module: MarkdownPreview

Defined in:
lib/markdown_preview.rb,
lib/markdown_preview/base.rb,
lib/markdown_preview/helpers.rb,
lib/markdown_preview/exceptions.rb

Defined Under Namespace

Modules: Base, Helpers Classes: Engine, MarkdownPreviewInvalidOption, MarkdownPreviewInvalidOptionType

Class Method Summary collapse

Class Method Details

.initialize ⇒ Object 



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# File 'lib/markdown_preview.rb', line 7

def self.initialize
  return if @intialized
  raise "ActionController is not available yet." unless defined?(ActionController)
  ActionController::Base.send(:include, MarkdownPreview::Base)
  ActionController::Base.send(:helper, MarkdownPreview::Helpers)
  #MarkdownPreview.install_or_update_markdown_preview
  @intialized = true
end

.install_or_update_markdown_preview ⇒ Object 



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# File 'lib/markdown_preview.rb', line 22

def self.install_or_update_markdown_preview
  require 'fileutils'
  orig = File.join(File.dirname(__FILE__), 'markdown_preview', 'assets', 'markdown_preview')
  dest = File.join(Rails.root.to_s, 'public', 'javascripts', 'markdown_preview')
  markdown_preview_js = File.join(dest, 'markdown_preview.js')

  unless File.exists?(markdown_preview_js) && FileUtils.identical?(File.join(orig, 'markdown_preview.js'), markdown_preview_js)
    if File.exists?(markdown_preview_js)
      # upgrade
      begin
        puts "Removing directory #{dest}..."
        FileUtils.rm_rf dest
        puts "Creating directory #{dest}..."
        FileUtils.mkdir_p dest
        puts "Copying MarkdownPreview to #{dest}..."
        FileUtils.cp_r "#{orig}/.", dest
        puts "Successfully updated MarkdownPreview."
      rescue
        puts 'ERROR: Problem updating MarkdownPreview. Please manually copy '
        puts orig
        puts 'to'
        puts dest
      end
    else
      # install
      begin
        puts "Creating directory #{dest}..."
        FileUtils.mkdir_p dest
        puts "Copying MarkdownPreview to #{dest}..."
        FileUtils.cp_r "#{orig}/.", dest
        puts "Successfully installed MarkdownPreview."
      rescue
        puts "ERROR: Problem installing MarkdownPreview. Please manually copy "
        puts orig
        puts "to"
        puts dest
      end
    end
  end



  orig = File.join(File.dirname(__FILE__), 'markdown_preview', 'assets', 'markdown_preview')
  dest = File.join(Rails.root.to_s, 'public', 'stylesheets', 'markdown_preview')
  markdown_preview_css = File.join(dest, 'markdown_preview.css')

  unless File.exists?(markdown_preview_css) && FileUtils.identical?(File.join(orig, 'markdown_preview.css'), markdown_preview_css)
    if File.exists?(markdown_preview_css)
      # upgrade
      begin
        puts "Removing directory #{dest}..."
        FileUtils.rm_rf dest
        puts "Creating directory #{dest}..."
        FileUtils.mkdir_p dest
        puts "Copying MarkdownPreview to #{dest}..."
        FileUtils.cp_r "#{orig}/.", dest
        puts "Successfully updated MarkdownPreview."
      rescue
        puts 'ERROR: Problem updating MarkdownPreview. Please manually copy '
        puts orig
        puts 'to'
        puts dest
      end
    else
      # install
      begin
        puts "Creating directory #{dest}..."
        FileUtils.mkdir_p dest
        puts "Copying MarkdownPreview to #{dest}..."
        FileUtils.cp_r "#{orig}/.", dest
        puts "Successfully installed MarkdownPreview."
      rescue
        puts "ERROR: Problem installing MarkdownPreview. Please manually copy "
        puts orig
        puts "to"
        puts dest
      end
    end
  end
  



end

.preprocess_markdown(markdown) ⇒ Object

Override this is a config somewhere if you want to preprocess your incoming markdown string. i.e. add a custom tag or something.



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# File 'lib/markdown_preview.rb', line 18

def self.preprocess_markdown( markdown )
  markdown
end