yvesvanbroekhoven · August 9, 2012 13:46
diff --git a/application_helper.rb b/application_helper.rb
 module ApplicationHelper

  #
  # Returns css class for <body>
  #
  def body_class
    body_class = []
    body_class << (params[:controller].gsub('_','-') rescue nil)
    body_class << (params[:action].gsub('_','-') rescue nil)
    body_class << @body_class if @body_class
    body_class.join(' ')
  end

  #
  # Returns class_name if x equals y
  #
  def css_class(class_name, x, y, exact = false)
    if exact
      class_name if (x === y)
    else
      class_name if (x == y)
    end
  end

  #
  # Returns page title
  # Use @page_title in your controller to add that in front
  def page_title(suffix = '')
    title = []
    title << @page_title unless @page_title.nil?
    page  = @page rescue nil
    until page.nil?
      title << page.title unless %w{/home}.include?(page.tree_path)
      page = page.parent
    end
    title << suffix
    title.join(' | ')
  end

  #
  # Returns meta description depending on current page, with default fallback
  # Use @meta_description in your controller to overrule
  def meta_description(default = '')
    if not @meta_description.nil?
      @meta_description = strip_tags((first_paragraph(@meta_description)[0] rescue default))
    elsif @meta_description.nil? and not @page.nil? and not @page.body.nil? and not @page.body.blank?
      @meta_description = strip_tags((first_paragraph(@page.intro)[0] rescue default))
    else
      @meta_description = default
    end
    @meta_description
  end

  #
  # Returns the first <p> in a string
  #
  def first_paragraph(str)
    str.match(/(<p(.*)>.*<\/p>)/)
  end

  #
  # Returns an url to the Open Graph image
  # Use @og_image in your controller to overrule
  def og_image
    if not @og_image.nil?
      @og_image
    else
      "#{request.protocol}#{request.host_with_port}#{image_path('og-image.png')}"
    end
  end

  #
  # Returns string of space seperated active page id's (current page, current parent pages, custom pages)
  # Use @data_active_nav_keys in your controller to add custom page id's
  def data_active_nav_keys
    keys = []
    keys << @data_active_nav_keys unless @data_active_nav_keys.nil?
    page = @page || nil
    while page
      keys << page.id
      page = page.parent
    end
    keys.map{ |k| "page-#{k}" }.join(' ')
  end

  #
  # Returns file type based on .extension
  #
  def file_type(file_url)
    File.extname(File.basename(file_url)).gsub(/\./, '').gsub(/\?[0-9]*/, '')
  end

 end
	module ApplicationHelper

	#
	# Returns css class for <body>
	#
	def body_class
	body_class = []
	body_class << (params[:controller].gsub('_','-') rescue nil)
	body_class << (params[:action].gsub('_','-') rescue nil)
	body_class << @body_class if @body_class
	body_class.join(' ')
	end

	#
	# Returns class_name if x equals y
	#
	def css_class(class_name, x, y, exact = false)
	if exact
	class_name if (x === y)
	else
	class_name if (x == y)
	end
	end

	#
	# Returns page title
	# Use @page_title in your controller to add that in front
	def page_title(suffix = '')
	title = []
	title << @page_title unless @page_title.nil?
	page = @page rescue nil
	until page.nil?
	title << page.title unless %w{/home}.include?(page.tree_path)
	page = page.parent
	end
	title << suffix
	title.join(' \| ')
	end

	#
	# Returns meta description depending on current page, with default fallback
	# Use @meta_description in your controller to overrule
	def meta_description(default = '')
	if not @meta_description.nil?
	@meta_description = strip_tags((first_paragraph(@meta_description)[0] rescue default))
	elsif @meta_description.nil? and not @page.nil? and not @page.body.nil? and not @page.body.blank?
	@meta_description = strip_tags((first_paragraph(@page.intro)[0] rescue default))
	else
	@meta_description = default
	end
	@meta_description
	end

	#
	# Returns the first <p> in a string
	#
	def first_paragraph(str)
	str.match(/(<p(.)>.<\/p>)/)
	end

	#
	# Returns an url to the Open Graph image
	# Use @og_image in your controller to overrule
	def og_image
	if not @og_image.nil?
	@og_image
	else
	"#{request.protocol}#{request.host_with_port}#{image_path('og-image.png')}"
	end
	end

	#
	# Returns string of space seperated active page id's (current page, current parent pages, custom pages)
	# Use @data_active_nav_keys in your controller to add custom page id's
	def data_active_nav_keys
	keys = []
	keys << @data_active_nav_keys unless @data_active_nav_keys.nil?
	page = @page \|\| nil
	while page
	keys << page.id
	page = page.parent
	end
	keys.map{ \|k\| "page-#{k}" }.join(' ')
	end

	#
	# Returns file type based on .extension
	#
	def file_type(file_url)
	File.extname(File.basename(file_url)).gsub(/\./, '').gsub(/\?[0-9]*/, '')
	end

	end